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REFERENCE NUMBER: T-6985 COGENERATION PLANT 1.2 MEGAWATTS NEAR NEW COGENERATION SYSTEM WITH MODULAR DESIGN THAT HAS NEVER BEEN RUN IN PRODUCTION: THIS SYSTEM IS A 1.2-MEGAWATT POWER PLANT AND CAN BURN BARK, SAWDUST, AGRICULTURAL WASTES SUCH AS PEANUT SHELLS, RICE HULLS, STRAW, ANIMAL RESIDUE, WET WOOD, ETC. THIS SYSTEM WILL CONVERT SUCH WASTE PRODUCTS INTO USEABLE THERMAL AND ELECTRICAL ENERGY. THIS SOLID WASTE STREAM CAN BE CONVERTED INTO PARTICLE FORM BY THE USE OF A COMMERCIAL SHREDDER, CONVEYED TO A SILO FOR STORAGE, AND THEN FED AUTOMATICALLY INTO THE MULTI-ZONE BURNER. STEAM IS GENERATED THROUGH A LOW PRESSURE 275 DEGREE (DE-RATED FROM 300 DEGREE) STAINLESS STEEL BOILER WITH A HEAT EXCHANGER. INLET STEAM IS 475 PSIG AT 700 DEGREES FTT WITH A MAXIMUM OF 22,000 LBS/HOUR BUT COULD BE INCREASED TO 24,000 LBS/HOUR. EXHAUST STEAM PRESSURE IS 3" HGA AT 5449 RPM BUT DESIGNED TO RUN AT 4" ABSOLUTE VACUUM. STEAM IS TRANSFERRED TO THE 3-STAGE BACK PRESSURE TURBINE RATED AT 1654HP DETUNED TO 1200HP TO MATCH THE GENERATOR. THIS SYSTEM COMES COMPLETE WITH GENERATOR CONTROL CENTER, BOILER CONTROL CENTER, COMBUSTION CONTROL CENTER, CONTROL ROOM SWITCHBOARD, TURBINE OIL SYSTEM, DUST DELIVERY CONTROL SYSTEM, SWITCHGEAR AND PLC CONTROLS. THIS PLANT WAS NEW IN 2005/2006 WHEN INSTALLED AND HAS NEVER BEEN RUN EXCEPT FOR PERMITTING FUNCTION. THE TURBINE GEARBOX AND GENERATOR WERE OEM REBUILT. THE COMPANY PURCHASED THIS SYSTEM WITH A GUARANTEE THE BURNER COULD MEET NOX STANDARDS. AFTER INSTALLATION, THE BURNER COULD NOT EFFICIENTLY BURN FIBER WITH HIGH FORMALDEHYDE CONTENT. CONSEQUENTLY, THE BURNER COULD NOT MEET THOSE NOX STANDARDS THAT ARE ONE OF THE MOST STRINGENT SET OF STANDARDS IN NORTH AMERICA. THESE MULTI-STAGE BURNERS ARE USED THROUGHOUT NORTH AMERICA AND MEET OR EXCEED NOX CONTROL STANDARDS IN OTHER AREAS WITHOUT PROBLEMS. THIS COGEN SYSTEM CAN BE PROFESSIONALLY DISMANTLED, ALL EQUIPMENT TAGGED FOR REINSTALLATION AND SHIPPED TO YOUR FACILITY, REASSEMBLED, AND CONNECTED TO YOUR PRESENT ELECTRICAL GRID SYSTEM. IT WOULD TAKE APPROXIMATELY 10 WEEKS TO DISMANTLE THE PLANT AND 15 TRUCKS TO SHIP THE EQUIPMENT TO YOUR PLANT SITE, AND APPROXIMATELY 16 WEEKS TO REASSEMBLE. THIS PLANT WOULD INCLUDE EVERYTHING NEEDED EXCEPT FUEL PROCESSING (GRINDING), STORAGE AND A TRANSFORMER TO SUPPLY POWER TO YOUR FACILITY. SHIPMENT OF THE PLANT WOULD BE BROKEN DOWN AS FOLLOWS: FIVE 53' TRAILER VANS TO LEGAL WEIGHT TEN 53' FLATBED TRAILERS TOTAL WEIGHT OF COGEN PLANT EQUIPMENT = 581,000 LBS. TIE-DOWN GEAR, CHAINS, BLOCKS AND CHOKES = 6,000 LBS. GROSS CUBIC SETTING OF CARGO = 67,840 CUBIC FEET MACHINERY PROPOSAL USED 1.2-MEGAWATT POWER PLANT CONSISTING OF THE FOLLOWING: DESCRIPTION OF EQUIPMENT 3-STAGE BURNER BOILER EGR FAN ID FAN SUPPLY WATER TANK SERVICE WATER PUMP WATER SOFTNER AND FILTER BOILER WATER PUMP SYSTEM DUAL CYCLONE SEPARATOR ELECTROSTATIC PRECIPITATOR ESP TRANSFORMER ESP PUMP SYSTEM CONDENSER PUMP SYSTEM STEAM TURBINE SENTINEL GENERATOR GENERATOR CONTROL CENTER BOILER CONTROL CENTER COMBUSTION CONTOL CENTER PLANT #2 SWITCHGEAR CONTROL ROOM SWITCHBOARD TURBINE OIL SYSTEM DUST DELIVERY CONTROL SYSTEM CONDENSER CONTROL PANEL ESP CONTROL PANEL TURBINE OIL CONTROL PLANT #1 POWER SWITCHGEAR COGENERATION PROJECT LOADING ANALYSIS BOILER FEEDWATER TANK LOADPOINT: LP4 FOOTING LENGTH 9.00 FT WIDTH 9.00 FT DEPTH 0.67 FT COUNT 1 EA CUBIC FT 54.03 CUFT TOTAL CU FT 54.03 CUFT LOAD CENT. HT. 4.00 FT MACHINE FOOT: LENGTH 6.00 FT WIDTH 6.00 FT COUNT 1.00 EA TYPE 1 MACHINE WT. 16,000 LBS FOOTING WT. 8,104 LBS FOOTING LOAD 197.53 LBS/SQFT SOIL LOADING 297.58 LBS/SQFT *TANK ASSEMBLY IS BOLTED DOWN 1=EVENLY DISTRIBUTED ACROSS BASE 2=CONCENTRATED FOOTPRINT APPROX. PSF WHICH IS DISTRIBUTED OVER ENTIRE SLAB COGENERATION PROJECT LOADING ANALYSIS STEAM UNIT LOADPOINT: LP3 - FOOTING LENGTH 25.00 FT - 13.00 FT WIDTH 14.00 FT - 3.00 FT DEPTH 1.00 FT - 2.00 FT COUNT 1 EA - 3 EA CUBIC FT 350.00 CUFT - 234.00 CUFT TOTAL CU FT 584.00 CUFT LOAD CENT. HT. 8.00 FT MACHINE FOOT: LENGTH 10.30 FT WIDTH 1.00 FT COUNT 3.00 EA TYPE 2 MACHINE WT. 53,000 LBS FOOTING WT. 52,500 LBS FOOTING LOAD 151.43 LBS/SQFT SOIL LOADING 301.43 LBS/SQFT *BOILER ASSEMBLY IS BOLTED DOWN 1=EVENLY DISTRIBUTED ACROSS BASE 2=CONCENTRATED FOOTPRINT APPROX. 1,715.21 PSF WHICH IS DISTRIBUTED OVER ENTIRE SLAB COGENERATION PROJECT LOADING ANALYSIS CONDENSOR UNIT LOADPOINT: LP2 FOOTING LENGTH 23.00 FT WIDTH 3.00 FT DEPTH 3.00 FT COUNT 6 EA CUBIC FT 1,242.00 CUFT TOTAL CU FT LOAD CENT. HT. NA* FT MACHINE FOOT: LENGTH 2.00 FT WIDTH 2.00 FT COUNT 6.00 EA TYPE 2 MACHINE WT. 40,000 LBS FOOTING WT. 186,300 LBS FOOTING LOAD 1,666.67 LBS/SQFT SOIL LOADING 546.62 LBS/SQFT *CONDENSOR ASSEMBLY IS WELDED DOWN 1=EVENLY DISTRIBUTED ACROSS BASE 2=BASE PAD LOADING IS CONDCENTATED COGENERATION PROJECT LOADING ANALYSIS TURBINE-GENERATOR SET LOADPOINT: LP6 FOOTING LENGTH 21.00 FT WIDTH 9.00 FT DEPTH 1.00 FT COUNT 1 EA CUBIC FT 189.00 CUFT TOTAL CU FT 189.00 CUFT LOAD CENT. HT. 3.50 FT MACHINE FOOT: LENGTH 6.00 FT WIDTH 6.00 FT COUNT 1.00 EA TYPE 1 MACHINE WT. 38,000 LBS FOOTING WT. 28,350 LBS FOOTING LOAD 201.06 LBS/SQFT SOIL LOADING 351.06 LBS/SQFT * ASSEMBLY IS BOLTED DOWN 1=EVENLY DISTRIBUTED ACROSS BASE 2=CONCENTRATED FOOTPRINT APPROX. NA PSF WHICH IS DISTRIBUTED OVER ENTIRE SLAB COGENERATION PROJECT LOADING ANALYSIS COMBUSTION UNIT LOADPOINT: LP1 LENGTH 24.75 FT WIDTH 8.50 FT DEPTH 1.00 FT COUNT 1 EA CUBIC FT 210.38 CUFT TOTAL CU FT LOAD CENT. HT. 6.50 FT MACHINE FOOT: LENGTH 24.58 FT WIDTH 7.60 FT COUNT 1.00 EA TYPE 1 MACHINE WT. 80,000 LBS FOOTING WT. 31,556 LBS FOOTING LOAD 428.25 LBS/SQFT SOIL LOADING 597.17 LBS/SQFT *BURNER ASSEMBLY IS BOLTED DOWN 1=EVENLY DISTRIBUTED ACROSS BASE COGENERATION PROJECT LOADING ANALYSIS WET ESP UNIT LOADPOINT: LP5 FOOTING LENGTH 9.00 FT WIDTH 9.00 FT DEPTH 0.67 FT COUNT 1 EA CUBIC FT 54.03 CUFT TOTAL CU FT 54.03 CUFT LOAD CENT. HT. 9.00 FT MACHINE FOOT: LENGTH 6.00 FT WIDTH 6.00 FT COUNT 1.00 EA TYPE 1 MACHINE WT. 38,000 LBS FOOTING WT. 8,104 LBS FOOTING LOAD 469.14 LBS/SQFT SOIL LOADING 569.19 LBS/SQFT * ASSEMBLY IS BOLTED DOWN 1=EVENLY DISTRIBUTED ACROSS BASE 2=CONCENTRATED FOOTPRINT APPROX. NA PSF WHICH IS DISTRIBUTED OVER ENTIRE SLAB COGENERATION CONCRETE FOOTING LOADING ANALYSIS LIVE + LOAD DEAD FOOT WIND THICKNESS YDS WIEGHT POINT DESCRIPTION WEIGHT LENGTH WIDTH QTY PSF LOAD LBS INCHES LBS 1 COMBUSTION UNIT 80,000 25 8 1 400 12 7.41 2 CONDENSER STRUCTURE 80,000 3 3 6 1,481 36 6.00 3 STEAM GENERATOR 105,500 3 12 3 977 12 4.00 4 BOILER FEED WATER TANK 16,000 9 9 1 198 4 1.00 5 WESP UNIT 38,000 8 8 1 594 12 2.37 6 TURBINE GEN SET 32,000 6 23 1 232 12 5.11 7 SILO* 230,000 21 21 1 345,000 36 49.00 330,750 PAVE UNDER STEAM UNIT 12 28 1 4 4.15 MISC. STEEL FOOTINGS 1.5 1.5 15 12 1.25 MISC AREA PAVEMENT 72 5 1 4 4.44 84.73 8.47 FACTOR ESTIMATED CONCRETE USAGE 93.20 YARDS * SPECIFICATION MIGHT CHANGE WHEN ENGINEERING DRAWINGS COME FROM MANUFACTURER FUEL METERING BIN FUEL IS TRANSFERRED FROM A STORAGE BIN TO THE METERING BIN. THE METERING BIN IS PROVIDED TO PLACE A SUPPLY OF FUEL IN CLOSE PROXIMITY TO THE COMBUSTION SYSTEM AND ASSURE A CONSTANT SUPPLY OF FUEL TO THE COMBUSTION SYSTEM. THIS IS USUALLY A SMALL BIN PROVIDING UP TO TWO HOURS OF FUEL STORAGE CLOSE TO THE COMBUSTION SYSTEM. BIN IS SUPPLIED WITH A HATCH AND A SIGHT GLASS FOR EASILY DETERMINING THE QUANTITY OF FUEL PRESENT. THE METERING BIN IS EQUIPPED WITH A LIVE BOTTOM AUGER SYSTEM TO ASSURE A CONSTANT FLOW OF FUEL TO THE COMBUSTION SYSTEM. THE FUEL FLOWS INTO A SCREW CONVEYOR THAT TRANSPORTS THE FUEL TO THE COMBUSTION SYSTEM. THIS BIN IS EQUIPPED WITH HIGH- AND LOW-LEVEL SENSORS. FAILURE OF THE FUEL TRANSFER CONVEYORS OR A PROBLEM WITH THE PRIMARY FUEL STORAGE DEVICES IS SIGNALED WHEN THE METERING BIN LEVEL IS LOW FOR AN ADJUSTABLE PERIOD OF TIME. THE DRIVE MOTOR AND LEVEL SWITCHES ARE WIRED TO A JUNCTION BOX ON THE METERING BIN. METERING BIN SIZES WILL VARY ACCORDING TO THE FUEL NEEDS OF THE COMBUSTION SYSTEM. THESE BINS ARE SUPPLIED WITH OPEN TOPS WHEN THE CUSTOMER IS RESPONSIBLE FOR DELIVERY OF FUEL TO THE METERING BIN. THESE BINS WILL USUALLY BE ELEVATED ABOVE THE COMBUSTION UNIT FEED SCREW CONVEYOR. LEGS CAN BE PROVIDED WITH THESE UNITS TO SUPPORT THE METERING BINS FROM THE FLOOR OR THE CUSTOMER CAN PROVIDE SUPPORTS AS APPROPRIATE. THE UNITS ARE SUPPORTED FROM BELOW AT THE FOUR CORNERS OF THE BIN. COMBUSTION SYSTEM THE COMBUSTION SYSTEM CONSISTS OF SEVERAL COMPONENTS AS FOLLOWS: 1. FUEL FEED ROTARY AIR LOCK 2. FUEL FEED TRANSITION HOPPER AND HIGH/LOW LEVEL SENSORS 3. FUEL FEED SCREW CONVEYOR, EQUIPPED WITH VARIABLE FREQUENCY DRIVE 4. PRIMARY COMBUSTION CHAMBER, CONTAINING: A. CERAMIC WALL AND ARCH SYSTEM B. THREE LEVEL COMBUSTION AIR INLETS WITH INDIVIDUAL ADJUSTMENTS AND COMBUSTION AIR FANS. COMBUSTION AIR FANS ARE EQUIPPED WITH VARIABLE FREQUENCY DRIVES C. STATIONARY GRATE SYSTEM FOR INTRODUCTION OF PRIMARY AND SECONDARY COMBUSTION AIR D. ASH AUGER SCREWS FABRICATED OF HIGH TEMPERATURE STAINLESS STEEL FOR ASSURING PROPER DISTRIBUTION OF THE FIRE WITHIN THE FIRE BOX AND AUTOMATIC REMOVAL OF THE ASH REMAINING FROM THE COMBUSTION OF THE FUEL MATERIAL. 1. SECONDARY COMBUSTION CHAMBER A. CERAMIC WALL AND ARCH SYSTEM B. PROVIDES FOR AN EXTENDED DWELL TIME TO ASSURE COMPLETE COMBUSTION OF THE COMBUSTION BYPRODUCT GASES PRIOR TO LEAVING THE COMBUSTION SYSTEM. 1. HOT GAS TRANSITION FOR COMBUSTION UNIT TO HEAT EXCHANGER UNIT 2. HOT GAS DUCT WORK FROM HEAT EXCHANGER TO THE DUST COLLECTION EQUIPMENT 3. DUST COLLECTION EQUIPMENT, DESIGN DEPENDING ON FUEL AND SYSTEM SIZE 4. DUCT WORK FROM DUST COLLECTION EQUIPMENT TO INDUCED DRAFT FAN 5. INDUCED DRAFT FAN, EQUIPPED WITH VARIABLE FREQUENCY DRIVE OR AUTOMATICALLY ADJUSTABLE DAMPER, DEPENDING ON SYSTEM DESIGN AND APPLICATION. 6. EXHAUST GAS STACK, DIAMETER AND HEIGHT DEPENDING ON SYSTEM DESIGN AND APPLICATION. THE COMBUSTION SYSTEM IS PREFABRICATED TO THE EXTENT THAT IS ALLOWABLE FOR NECESSARY SHIPPING RESTRICTIONS. IN GENERAL, THE PRIMARY COMBUSTION CHAMBER IS COMPLETELY PREFABRICATED IN THE SHOP. COMBUSTION AIR FANS AND MANIFOLDS ARE INSTALLED ON THE JOB SITE. THE SIZES OF THE COMBUSTION SYSTEMS FOR THE 600 SERIES ARE APPROXIMATELY 8 FEET WIDE. THE LENGTH OF THE UNITS IS APPROXIMATELY 25 FEET. THE OVERALL HEIGHT OF THE UNIT IS APPROXIMATELY 8 FEET. THE PRIMARY COMBUSTION CHAMBERS ARE SHIPPED COMPLETE. THE EXTENDED COMBUSTION CHAMBERS ARE SHIPPED AS COMPONENTS. STEAM BOILER SYSTEMS THE STEAM BOILER SYSTEM CONSIST OF THE NEEDED EQUIPMENT ITEMS TO PRODUCE STEAM ENERGY FROM THE HOT GASES PRODUCED BY THE CHALLENGER COMBUSTION SYSTEMS. THE BOILER IS A 300PSIG, 18,819 LBS. PER HOUR. THIS SYSTEM IS MADE UP OF THE FOLLOWING COMPONENTS: HEAT RECOVERY STEAM GENERATOR (HRSG) BOILER FEEDWATER PUMP SKID BOILER FEEDWATER STORAGE VESSEL FEEDWATER TREATMENT SKID THE HRSG UNITS ARE SIZED TO RECOVER APPROXIMATELY 75 80% OF THE THERMAL ENERGY ENTERING THE DEVICE. THE STEAM ENERGY OUTPUT IS DETERMINED BY ESTABLISHING THE THERMAL ENERGY RELEASED BY THE COMBUSTION SYSTEM TO THE HOT GASES THAT WILL BE ENTERING THE HRSG. THE STEAM FLOW OUTPUT IS DETERMINED BY ESTABLISHING THE DESIRED STEAM PRESSURE AND THE HEAT INPUT. STEAM PRODUCTION WILL VARY ACCORDING TO THE QUANTITY AND TEMPERATURE OF THE HOT GASES PRODUCED IN THE COMBUSTION SYSTEM AND THE TEMPERATURE OF THE BOILER FEEDWATER AS WELL AS THE STEAM PRESSURE DESIRED. SYSTEM INCLUDES: ECONOMIZER - INSTALLED IN OUTLET OF HRSG CONDENSATE HEATER - STEAM OPERATED - INSTALLED IN THE BOILER FEEDWATER STORAGE VESSEL SOOT BLOWER - INSTALLED IN THE HRSG TO MINIMIZE THE EFFECTS OF ASH CARRY DEAERATOR - INSTALLED IN THE BOILER FEEDWATER STORAGE VESSEL THIS HEAT RECOVERY STEAM GENERATOR UNIT WAS DESIGNED AS A FIRE TUBE BOILER FOR A SINGLE PASS OF THE HOT GASES THROUGH THE UNIT WITH STEAM PRESSURES UP TO 300 PSIG. THE UNIT WAS DESIGNED WITH AMPLE STEAMING VOLUME TO ASSURE A GOOD QUALITY OF STEAM GENERATION. STEAM IS OF A QUALITY SUFFICIENT TO ENTER INTO A STEAM TURBINE GENERATOR UNIT. BOILER FEEDWATER PUMP PACKAGE IN ADDITION TO THE BOILER, A BOILER FEED WATER PUMP PACKAGE IS INCLUDED. THIS PACKAGE CONSISTS OF A PREFABRICATED SKID CONTAINING TWO BOILER FEEDWATER PUMPS AND NECESSARY PIPING AND VALVES. ONE PUMP IS THE DESIGNATED “RUN” PUMP AND THE OTHER IS A DESIGNATED “SPARE” PUMP. A FLOW METER, PRESSURE GAUGES AND TEMPERATURE GAUGE ARE PROVIDED FOR MONITORING THE PERFORMANCE OF THE PACKAGE. PUMPS ARE SIZED FOR 125% OF DESIGN CAPACITY AND ARE INTENDED TO RUN CONTINUOUSLY TO MAINTAIN DESIRED BOILER DRUM LEVEL. PUMP PACKAGES ARE SIZED TO MATCH THE HEAT RECOVERY STEAM GENERATOR UNITS. BOILER FEEDWATER STORAGE TANK THE SYSTEM ALSO INCLUDES A BOILER FEED WATER STORAGE TANK. THIS PACKAGE CONSISTS OF AN INSULATED TANK FOR STORAGE OF CONDENSATE AND BOILER FEEDWATER FOR THE BOILER SYSTEM. THE TANK IS CONSTRUCTED TO A 15 PSIG RATING AND CAN BE OPERATED AT A PRESSURE OF 5 PSIG IF NECESSARY. STANDARD DESIGNS CALL FOR VENTED TANKS. A FLOW METER FOR CONDENSATE RETURN AND A FLOW METER FOR MAKEUP WATER ARE PROVIDED. A PRESSURE GAUGE, LEVEL GAUGE AND TEMPERATURE GAUGE ARE PROVIDED FOR MONITORING THE CONDITION OF THE CONDENSATE WITHIN THE TANK. THE TANK IS PROVIDED WITH A STAND TO ELEVATE THE TANK ABOVE THE SUCTION OF THE BOILER FEEDWATER PUMPS. IN SOME CASES, IT WILL BE DESIRABLE TO LOCATE THE TANK ABOVE THE INLET TO THE BOILER. THE STANDS FOR THESE APPLICATIONS ARE TO BE PROVIDED BY THE CUSTOMER. THE TANK IS SIZED TO PROVIDE FOR OPERATION OF THE BOILER AT FULL OUTPUT FOR A PERIOD OF UP TO 20 MINUTES. THE TANK IS ALSO EQUIPPED WITH INSTRUMENTATION TO TIE THE UNIT INTO THE OVERALL COMBUSTION/BOILER CONTROL SYSTEM. THE FOLLOWING DEVICES/INPUTS ARE PROVIDED: TEMPERATURE SENSOR, PRESSURE SENSOR, LEVEL SENSOR, AND FIVE POINT LEVEL SWITCH FOR ALARMS AND SHUTDOWN LOGIC. THE PACKAGE IS ALSO EQUIPPED WITH AN AUTOMATIC WATER VALVE TO PROVIDE MAKEUP WATER IN THE EVENT THE WATER LEVEL REACHES THE LOW-LEVEL ALARM POSITION. THIS IS PROVIDED THROUGH A FLOAT OPERATED VALVE. THE TANK AND CONTROL DEVICES ARE PRE-PACKAGED WITH ALL CONTROL DEVICES WIRED TO A JUNCTION BOX MOUNTED ON THE UNIT. THE OPERATING VOLTAGE FOR THE CONTROL DEVICES IS 24VDC. THE TANK IS ALSO INSULATED TO REDUCE HEAT LOSS TO THE ATMOSPHERE. DEAERATORS A DEAERATOR HAS BEEN PROVIDED TO REMOVE UNWANTED OXYGEN AND OTHER NON-CONDENSABLE GASES FROM THE BOILER FEEDWATER. THE DEAERATOR IS PROVIDED FOR THIS PURPOSE. THIS IS GENERALLY A REQUIRED ITEM ON 150 AND 300 PSIG STEAM SYSTEMS. THIS IS A REQUIRED DEVICE ON ALL STEAM SYSTEMS PROVIDING STEAM FOR STEAM TURBINE GENERATOR APPLICATIONS. FEEDWATER TREATMENT PACKAGES BOILER FEED WATER MUST BE OF HIGH QUALITY, ALL CONTAMINANTS THAT WOULD DAMAGE THE BOILER OR STEAM TURBINES MUST BE REMOVED FROM THE FEED WATER STREAM. THERE ARE GENERALLY THREE AREAS OF CONCERN. FIRST, THE WATER MUST BE FREE FROM SOLIDS SUCH AS SAND OR OTHER CONTAMINANTS. SECOND, DISSOLVED MINERALS SUCH SODIUM AND POTASSIUM MUST BE REMOVED. THIRD, NON-CONDENSABLE GASES SUCH AS OXYGEN AND CARBON DIOXIDE MUST BE REMOVED. THE REMOVAL OF THESE CONTAMINANTS REQUIRES A THREE STAGE REMOVAL PLAN. FIRST, ALL WATER ENTERING THE BOILER SYSTEM SHOULD BE FILTERED. SECOND, THE WATER SHOULD PASS THROUGH A WATER SOFTENER UNIT OF SOME TYPE AND THIRD, CHEMICALS WILL BE ADDED TO THE WATER TO ASSIST IN THE REMOVAL OF THE NON-CONDENSABLE GASES AND OTHER CONTAMINANTS. THE FEED WATER TREATMENT PACKAGE WILL INCLUDE THE FOLLOWING EQUIPMENT: 1. WATER FILTER - DUAL UNIT 2. WATER SOFTENER - DUAL UNIT 3. CHEMICAL FEED PUMPS (3) - SEPARATE ASSEMBLY THIS EQUIPMENT IS PREPACKAGED ON A SKID. THE CONTROLS AND PUMP MOTORS ARE PRE-WIRED TO A JUNCTION BOX ON THE PACKAGE. THE CHEMICAL ADDITIVES PUMPS ARE PACKAGED INTO A PUMP STAND. THE STAND IS DESIGNED TO BE LOCATED IN A POSITION AGAINST A WALL WHERE THE CONTAINERS FOR THE VARIOUS BOILER FEEDWATER CHEMICALS CAN BE PLACED. STEAM TURBINE GENERATOR SYSTEMS AN ELLIOT MODEL 2DYR3-MULTISTAGE TURBINE WILL BE USED FOR THE SYSTEM. IT CONSISTS OF THE FOLLOWING: 5449 RPM, INLET STEAM PRESSURE 475 PSIG, INLET STEAM TEMPERATURE 700’HGA, EXHAUST STEAM PRESSURE 3” HGA, MAXIMUM INLET STEAM TEMPERATURE 750 FTT, RATED POWER 1654 HP WITH ALL HAND VALVES OPEN. IT INCLUDES: 1. GEAR REDUCER 2. ELECTRIC GENERATOR A. INDUCTION B. SYNCHRONOUS 1. LUBRICATION SYSTEM 2. INSTRUMENTATION / CONTROLS 3. GENERATOR BREAKER THE BASIC COMPONENTS WERE ASSEMBLED INTO A SKID PACKAGE. THE PACKAGE WAS PREASSEMBLED AND SHIPPED AS A COMPLETED ASSEMBLY. THE CONTROLS AND GENERATOR BREAKER ARE PRE-ASSEMBLED AND TESTED PRIOR TO BEING SHIPPED TO THE CUSTOMER. STEAM CONDENSER SYSTEMS THE PURPOSE OF A STEAM CONDENSER SYSTEM IS TO TAKE THE STEAM THAT EXITS THE STEAM TURBINE GENERATOR UNIT AND CONDENSE IT TO WATER SO THAT IT MAY BE RETURNED TO THE BOILER FEEDWATER SYSTEM. THIS ALLOWS FOR THE CONSERVATION OF THERMAL ENERGY, WATER AND THE ASSOCIATED BOILER FEEDWATER TREATMENT CHEMICALS. A WATER-COOLED DESIGN CONDENSER HAS BEEN INCLUDED. AIR COOLED CONDENSER SYSTEMS THE AIR COOLED CONDENSER SYSTEM IS MADE UP OF FRAMES THAT CONTAIN MULTIPLE ROWS OF CARBON STEEL TUBES THAT ARE WRAPPED WITH AN ALUMINUM FIN. THIS FINNED ARRANGEMENT ALLOWS THE CARBON STEEL TUBE TO CONDUCT THERMAL ENERGY INTO THE AIR SURROUNDING THE UNIT. IN ORDER TO MAXIMIZE THE HEAT DISSIPATION, THE UNITS ARE SUPPLIED WITH FANS TO MOVE THE COOLER AMBIENT AIR PAST THE FINNED TUBES. AIR POLLUTION CONTROL EQUIPMENT A COMPLETE AIR POLLUTION CONTROL SYSTEM WITH EQUIPMENT REQUIRED FOR THIS PROJECT HAS BEEN INCLUDED, BASED ON LOCAL REQUIREMENTS. THE EQUIPMENT AVAILABLE CONSISTS OF THE FOLLOWING: 1. MULTICLONE - THESE UNITS ARE DESIGNED TO REMOVE PARTICULATE MATTER THAT IS AS SMALL AS 10 MICRONS IN SIZE. SINCE AIR EMISSIONS ARE GENERALLY BASED ON A QUANTITY OF EMISSIONS ON AN ANNUAL BASIS, THOSE QUANTITIES MUST BE ESTIMATED AND QUANTIFIED. WHERE THE EMISSIONS FROM THE MULTICLONE UNIT EXCEED THOSE QUANTITIES, THEN ADDITIONAL EQUIPMENT MUST BE USED. 2. BAG HOUSES - THESE UNITS CONSIST OF MULTIPLE HIGH TEMPERATURE RATED DUST COLLECTION BAGS. THESE BAGS CAN BE PROVIDED IN DIFFERENT TYPES AND CONFIGURATIONS AS WELL AS COATED AND UNCOATED TO ACHIEVE DIFFERING COLLECTION EFFICIENCIES. THE DESIGN OF THE BAG HOUSE SYSTEMS WILL VARY ACCORDING TO LOCAL REQUIREMENTS. 3. SCRUBBERS - THESE SYSTEMS CONSIST OF A SPRAY TOWER, WATER COLLECTION BASIN, A CIRCULATING WATER PUMP SYSTEM AND A MIST ELIMINATOR SECTION. THESE UNITS INTRODUCE A FINE SPRAY OF WATER INTO THE EXHAUST GASES. THIS FINE MIST OF WATER DROPLETS ATTRACT THE DUST PARTICLES AND THE DUST PARTICLES ARE COLLECTED ON THE FINE WATER DROPLETS. THESE WATER DROPLETS THEN FALL INTO THE COLLECTION BASIN. SOME AMOUNT OF THE SPRAY IS CARRIED UP THE TOWER, THIS WATER IS COLLECTED IN A MIST ELIMINATOR SECTION OF THE TOWER AND THE COLLECTED WATER IS CHANNELED TO THE COLLECTION BASIN. A SMALL AMOUNT OF WATER IS CONTINUOUSLY BLED FROM THE COLLECTION BASIN TO REMOVE THE COLLECTED PARTICULATE MATERIAL. THIS IS GENERALLY INTRODUCED INTO THE COMBUSTION UNIT AND REMOVED BY THE ASH COLLECTION SYSTEM THAT IS A PART OF THE COMBUSTION SYSTEM. SOME SMALL AMOUNT OF WATER IS EVAPORATED AS THE COMBUSTION GASES ARE COOLED TO APPROXIMATELY 150F. A CONTINUOUS MAKE UP WATER SUPPLY IS REQUIRED. 4. WET ELECTROSTATIC PRECIPITATORS - IN SYSTEMS REQUIRING AN ADDITIONAL LEVEL OF PARTICULATE CONTROL AN ELECTROSTATIC COLLECTION UNIT IS ADDED TO THE TOP OF THE SCRUBBER SYSTEM. THIS ELECTROSTATIC UNIT REPLACES THE MIST ELIMINATOR THAT IS PROVIDED AS A PART OF THE SCRUBBER DESCRIBED ABOVE. THIS UNIT REMOVES A HIGHER PERCENTAGE OF THE DUST/WATER PARTICLES FROM THE EXHAUST GAS STREAM. CONTROL AND POWER DISTRIBUTION CONTROLS THIS COGEN PLANT HAS FULLY INTEGRATED ALL ASPECTS OF THE COGENERATIONS FACILITIES EQUIPMENT PACKAGE INTO A SINGLE CONTROL SYSTEM. THIS IS ACCOMPLISHED USING PROGRAMMABLE LOGIC CONTROLLERS AND TOUCH SCREEN OPERATOR INTERFACE DEVICES TO CREATE A WINDOW ON THE ENTIRE SYSTEM. THIS SYSTEM WAS DESIGNED FOR A MINIMUM OF OPERATOR ATTENTION. SOFTWARE IS CONFIGURED TO PRESENT CLEAR WINDOWS INTO THE FACILITIES OPERATIONS. THIS COGENERATION SYSTEM WAS SET UP WITH DUAL OPERATOR INTERFACES TO ASSURE A VIEW OF MULTIPLE OPERATING COMPONENTS AT ALL TIMES. POWER DISTRIBUTION THE POWER DISTRIBUTION EQUIPMENT IS PROVIDED AS FOLLOWS. BUT, IN GENERAL THE FOLLOWING DESCRIPTION WILL APPLY. EACH COGENERATION SYSTEM WILL BE PROVIDED WITH A FACILITY MAIN BREAKER. THIS MAIN BREAKER WILL BE PROVIDED AT THE PRIMARY VOLTAGE OF THE GENERATOR PORTION OF THE PROJECT. IN MOST CASES THIS WILL BE 480 V, 3 PH AND 60 Hz OR 400 V, 3 PH AND 50 Hz. CUSTOMERS WILL SPECIFY THE INTERCONNECTION VOLTAGE REQUIREMENTS FOR A GIVEN APPLICATION. THIS DISCUSSION IS PRESENTED BASED ON THE NOMINAL 480 VAC SYSTEM. THIS EQUIPMENT PACKAGE IS SHIPPED IN TWO PIECES; ONE INCLUDES THE MAIN BREAKER AND THE GENERATOR BREAKER AND THE OTHER INCLUDES THE VARIOUS FACILITY BRANCH BREAKERS FOR PROVIDING POWER TO THE VARIOUS SYSTEM PANELS. THE TWO PIECES ARE JOINED TOGETHER WITH A BUS SPLICE KIT ONCE INSTALLED AT THE CUSTOMER’S FACILITY. THE POWER DISTRIBUTION SYSTEM IS DESIGNED AS A MOTOR CONTROL CENTER TO FACILITATE EASY EQUIPMENT ADDITIONS IN THE FUTURE. Learn More

T-9997 CEMENT AND MUD PLANTS ITEM 001 CEMENT PLANT FULLY FUNCTIONAL CEMENT PLANT READY TO BE REASSEMBLED ITEM 002 MUD PLANT FUNCTIONAL LIQUID MUD PLANT (LMP) 31,500BBL CAPACITY Learn More

TT-2363 LION AUTOMATIC BLOWER, NOZZLES 2, YEAR 2011 QUANTITY: 1 Learn More

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C-3994 BARGEMOUNTED POWER PLANT, CAPACITY 220MW

A. ONCE THROUGH STEAM GENERATOR
B. BARGE
C. CHILLERS
D. AIR COMPRESSOR
E. GAS TURBINE
F. STEAM TURBINE
G. FEEDWATER SYSTEM
H. CLOSED COOLING WATER SYSTEM
I. AUXILIARY COOLING WATER SYSTEM
J. CONDENSATE POLISHING UNIT (CPU)
K. WASTE WATER SYSTEM
L. PLANT ELECTRICAL SYSTEM
M. BLACK START DG SET
N. PLANT CONTROLS AND INSTRUMENTATION
O. PLANT FIRE FIGHTING SYSTEM
P. START UP VACUUM SYSTEM
Q. STEAM TURBINE DEAERATING CONDENSER

QUANTITY: 1 PLANT

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TT-5852 MASCOTT PLUS 25-30 CROSSLAPPER AND MONO_1AB_27-3000 NEEDLE LOOM Learn More

TT-1594 DISTILLATION SYSTEMS & COLUMNS, CAPACITY 950mm TO 1000mm DIAMETER ITEM 001 PACKED DISTILLATION COLUMN SYSTEM ITEM 002 PACKED DISTILLATION COLUMN SYSTEM Learn More

REFERENCE  NUMBER:  G-0784

RIETER FDY  EXTRUSION EQUIPMENT FOR POLYPROPYLENE YEAR 1996/98

 

1. Machine m26/39:

Year 1996

For 1 fdy spinning line with 2+4 positions, each position with 4 ends

Product:  fdy-yarn on bobbins

Raw material:  pp, dried filament grade chips

Yarn count range:  150 – 400 dtex

Winder speed for target:  4000 m/min

 

Machine technical data:

Position gauge:  800 mm

Spinning pump capacity:  4x10 ccm/rev

Spinneret size diameter:  95 mm

Quench width:  670 mm

Quench length:  1700 mm

Number of spin-finish pumps per position:  1

Capacity of spin-finish pump:  4x0.05 ccm/rev

Number of winders/position:  1

Type of winder:  riemat a6-094

Number of packages/winder:  4

Maximum package diameter:  420 mm

Package stroke:  190 mm

Package weight at 280 mm package diameter:  approx. 6.2 kg

 

Detailed technical specifications:

Extruder for 4 positions Year 1998:

 

1 extruder type e1. 105-30m:

-nominal extruder capacity:  max 275 kg/h for pp

-operational extruder capacity:  max 248 kg/h for pp

-screw diameter:  105 mm

-l/d ratio:  30

-barrel with:

                electrical ceramic heaters

                7 heating zones, each zone equipped with one 2xpt100

                heating zone capacity approx. 58 kw

                inlet zone, water cooled

                nozzle for nitrogen purge

                insulation

-screw with torpedo mixing head

-reduction gear, including belt transmission to motor

-dc motor, rated power approx. 95kw

-extruder frame

 

1 extruder measuring head, dowtherm vapour heated

-measuring head comprising:

                coarse filter

                insulation

-double pt100, one each for melt and dowtherm vapour temperature

-pressure sensors for melt pressure, one in front and one behind the coarse filter

 

1 melt distribution system, dowtherm vapour heated

-melt distribution system comprising

                main product pipe between extruder, measuring head and melt distributor.

 

Extruder for 2 positions Year 1998:

1 extruder type e1. 60-30

-nominal extruder capacity:  max 275 kg/h for pp

-operational extruder capacity:  max 248 kg/h for pp

-screw diameter:  60 mm

-l/d ratio:  30

-barrel with

                electrical ceramic heaters

                6 heating zones, each zone equipped with one 2xpt100

                heating zone capacity approx. 17 kw

                inlet zone, water cooled

                insulation

-screw nitrited with maddock mixing head

-reduction gear, including belt transmission to motor

-dc motor, rated power approx. 22kw

-extruder frame

 

1 extruder measuring head, electrically heated year 1998

-measuring head comprising:

                insulation

Double pt100, one each for melt and dowtherm vapour temperature

                                pressure sensors for melt pressure

                burst disc for power switch-off at overpressure.

 

1 melt distribution system, dowtherm vapour heated

-melt distribution system comprising

                main product pipe between extruder, measuring head and melt distributor.

 

1 riebeam bottom loading spinning beam year 1998

-beam comprising:

                welded-in pump blocks with bolted pump adapter plate

                silumin insulation blocks

                melt distribution pipes with polished inner surfaces

                efficient vapour heating on all sides of spin pumps

                optimized heat condustion to the spinnerets

                1 freezing valve upstream of each spinpump

                2 pressure sensors for measuring the melt pressure in front and behind the spinpump

                (2 per line)

                heating box, completely insulated

                heating by dowtherm vapour

                1 double pt100 for measuring and controlling the heating box temperature

Designed as follows:

-bottom loading of rieter quickfit spinpacks

-design temperature 320°c

-maximum allowable working pressure: 300 bar for melt pipe and 2.57 bar for jacket

 

Dowtherm evaporator and components for heating system:

-electrically heated, total capacity approx 25 kw

-shut-off valves

-drainage valves

-dry protection sensor

-magnetic controlled level gauge

- vent system on top of measuring head.

 

Poy spin packs, type rieter quickfit:

-max pressure in the spinpack:  350 bar

-design temperature:  320 °c

-spinneret outside dimensions:  95 mm

-bottom loading design

-bayonet locking, insert and tighten by turning 90°

-self sealing system

-sand or metal powder filtration, 3 cm filling depth

-wire mesh filters

 

Spin pumps with motors and gears:

Gear pumps, 4-fold

Capacity 4 x 6 ccm/rev

Each spin pump system comprising

Individual drive motor with flange connection to the reduction gear

Hollow gear shaft for installation of spin pump shaft

Shaft with shear pin protection

Reduction ratio 1:80

Pump speed:  8-30 rev/min

Motor type:  synchronous ac-motor

Rated power:  500w at 50 cps

 

Quench air cabinets bsk 670/1700:

Each cabinet comprising:

-rigid cabinet made from welded sheet metal, painted, side walls made from alu sheet metal

-air rectifier consisting of different layers of perforated metal sheets, rectifiers removable to the front for cleaning.

-1 perforated hinged door

-air inlet duct flanged with counter flange, comprising air flow regulating flaps

-interfloor filament duct, length 2000 mm

-alu chutes for start-up

-nozzles for connection of differential pressure gauge.

 

Spinning vapour exhausts:

-exhaust hood per spinning position for removal of spinning vapour

-hood designed as follows:

                made from stainless steel

                air flow regulation flap

                hood removable for cleaning

 

Take-up frames, type riedraw 1:

Welded steel frame, housing all drawrolls, compressed air supply pipes for the aspirator units and the yarn waste pipes within the fdy take-up unit.

Per position:

                4 inlet yarn guides

                4 spin finish application nozzles

                1 yarn cutter / aspirator unit

                1 spin finish pump

                4 centring yarn guides

                4 intermingling units

                rolls as described further

                1 automatic winder riemat a6-094

 

Drawrolls year 1998:

Mono 1 with 1 rievap 32 dual shell drawroll, type j7/32-40, ot40

Speed range:  750 to 4000 mpm

Roll diameter:  190 mm

Working width:  250 mm

Temperature range:  45-250°c

And 1 bearing separator roll, type srd60 hard chromium plated

 

Duo 1 with 2 rievap 32 dual shell drawroll, type j7/32-60, ot40

Speedrange:  1000 to 6000 mpm

Roll diameter:  190 mm

Working width:  250 mm

Temperature range:  45-250°c

 

Duo 2 with 2 rievap 32 dual shell drawroll, type j7/32-60, ot40

Speedrange:  1000 to 6000 mpm

Roll diameter:  190 mm

Working width:  250 mm

Temperature range:  45-250°c

 

Duo 3 with 2 cold draw roll units each type j7/45-55

Speedrange:  1800 to 5500 mpm

Roll diameter:  150 mm

Working width:  180 mm

 

Automatic and wasteless winder riemat a6-094

Spindle driven

Number of ends per winder:  4 ends

Yarn count range:  15 to 1000 dtex

Take up speed:  2500 to 5500 m/min

Chuck length:  900 mm

 

190 mm stroke, 420 mm outside package diameter

Package volume:  24.7 dm³

Tube bore:  94 ±0.2 mm

Tube outside diameter:  106 ±0.4 mm

Tube length:  225 ±0.5 mm

 

Oil-mist lubrication unit:

Compressed air distribution station

Mobile aspirator guns with hoses

Electrical control equipment

-for electrical power

                general:  3 x 380v/50hz plus ground wire

                euro-standard:  3x400v 50 or 60hz plus ground wire

                maximum voltage variation ±10% measured at terminals of cabinets

                maximum frequency variation:  ±2%

 

Process control system (cif):

                fully integrated control system to control and monitor the entire spinning line.

                the central monitoring unit si linked to the plc of the spinning section and the plcs of each spinning position.

 

Drive and heater control year 1998:

 

Spinning section:

Speed adjustment for the extruder motor is done via a dc-convertor

To achieve a constant pressure at the extruder outlet, the output of the pressure controller is transmitted to the dc-converter to adjust the extruder speed.

The feedback of the actual extruder speed is done by a tacho generator mounted on the extruder motor.

One common frequency inverter supplies the synchronous ac motors for the spin pumps.

According to process conditions, the plc transmits the setpoint to the inverter.

All motors are equipped with an overload protection.

Solid state relays heat each extruder zone and spinning beam.

Each extruder zone and the spinning beam represent an independent control loop.

 

Take-up section:

The inverter unit is a processor-controlled static frequency inverter for powering the 3-phase motors.

All inverter units in a position cabinet are supplied with approx 570v dc from a common rectifier.

 

Heating system:

The heating unit rhu is processor-controlled.

The power supply is taken straight from 3-phase 380/400v which powers the cabinet.

The inductor is fitted inside the draw roll.

The rhu switches the current on and off in this inductor. While current flows, a voltage is inducted into the

Rotating draw roll.

This sets up a short-circuit current in the draw roll, thereby heating the roll unit.

 

2. Machines m27/ 28 / 30 year 1998:

For 3 fdy spinning lines each with 2 positions, and each position with 4 ends

Product:  fdy-yarn on bobbins

Raw material:  pp, dried filament grade chips

Yarn count range:  150 – 400 dtex

Winder speed for target:  4000 m/min

 

Machine technical data:

Position gauge:  1000 mm

Spinning pump capacity:  4x7.5 ccm/rev

Spinneret size diameter:  95 mm

Quench width:  470 mm

Quench length:  1200 mm

Number of spin-finish pumps per position:  2

Capacity of spin-finish pump:  4x0.16 ccm/rev + 4x0,05 ccm/rev

Number of winders/position:  1

Type of winder:  riemat a6-094

Number of packages/winder:  4

Maximum package diameter:  420 mm

Package stroke:  190 mm

Package weight at 280 mm package diameter:  approx. 6.2 kg

 

Detailed technical specifications:

 

1 extruder type e1. 60-30m

-nominal extruder capacity:  max 80 kg/h for pp

-screw diameter:  65 mm

-l/d ratio: 30

-barrel with:

                electrical ceramic heaters

                7 heating zones, each zone equipped with one 2xpt100

                heating zone capacity approx. 22 kw

                inlet zone, water cooled

                nozzle for nitrogen purge

                insulation

-screw with torpedo mixing head

-reduction gear, including belt transmission to motor

-dc motor, rated power approx. 22kw

-extruder frame

 

1 extruder measuring head, electrically heated:

-measuring head comprising:

                coarse filter

                insulation

-double pt100, one each for melt and dowtherm vapour temperature

-pressure sensors for melt pressure, one in front and one behind the coarse filter

 

1 melt distribution system, dowtherm vapour heated:

Melt distribution system comprising:

                main product pipe between extruder, measuring head and melt distributor.

 

1 riebeam bottom loading spinning beam:

-beam comprising:

                welded-in pump blocks with bolted pump adapter plate

                silumin insulation blocks

                melt distribution pipes with polished inner surfaces

                efficient vapour heating on all sides of spin pumps

                optimized heat condustion to the spinnerets

                1 freezing valve upstream of each spinpump

                2 pressure sensors for measuring the melt pressure in front and behind the spinpump

                (2 per line)

                heating box, completely insulated

                heating by dowtherm vapour

                1 double pt100 for measuring and controlling the heating box temperature

Designed as follows:

-bottom loading of rieter quickfit spinpacks

-design temperature 320°c

-maximum allowable working pressure: 300 bar for melt pipe and 2.57 bar for jacket

 

Dowtherm evaporator and components for heating system:

-electrically heated, total capacity approx 18 kw

-shut-off valves

-drainage valves

-dry protection sensor

-magnetic controlled

-level gauge

-vent system on top of measuring head.

 

Poy spin packs, type rieter quickfit:

Max pressure in the spinpack:  350 bar

Design temperature:  320 °c

Spinneret outside dimensions:  95 mm

Bottom loading design

Bayonet locking, insert and tighten by turning 90°

Self sealing system

Sand or metal powder filtration, 3 cm filling depth

Wire mesh filters

 

Spin pumps with motors and gears:

Gear pumps, 4-fold

Capacity 4 x 7.5 ccm/rev

Each spin pump system comprising

                individual drive motor with flange connection to the reduction gear

                hollow gear shaft for installation of spin pump shaft

                shaft with shear pin protection

                reduction ratio:  1:80

                pump speed:  8-30 rev/min

                motor type:  synchronous ac-motor

                rated power:  500w at 50 cps

 

Quench air cabinets bsk 470/1200

Each cabinet comprising:

-rigid cabinet made from welded sheet metal, painted, side walls made from alu sheet metal

-air rectifier consisting of different layers of perforated metal sheets, rectifiers removable to the front for cleaning.

-1 perforated hinged door

-air inlet duct flanged with counter flange, comprising air flow regulating flaps

-interfloor filament duct, length 2000 mm

-alu chutes for start-up

-nozzles for connection of differential pressure gauge.

 

Spinning vapour exhausts:

-exhaust hood per spinning position for removal of spinning vapour

-hood designed as follows:

                made from stainless steel

                air flow regulation flap

                hood removable for cleaning

 

Take-up frames, type riedraw 1:

Welded steel frame, housing all drawrolls, compressed air supply pipes for the aspirator units and the yarn waste pipes within the fdy take-up unit.

Per position:

                4 inlet yarn guides

                2 spin finish application nozzles per end

                1 yarn cutter / aspirator unit

                2 spin finish pump

                4 centring yarn guides

                4 pre-intermingling jets

                4 intermingling units

                1 additional operator panel between duo1 and duo 2.

                rolls as described further

                1 automatic winder riemat a6-094

 

Drawrolls:

Mono 1 with 1 rievap 32 dual shell drawroll, type j7/32-40, ot40

Speedrange:  750 to 4000 mpm

Roll diameter:  190 mm

Working width:  250 mm

Temperature range:  45-250°c

And 1 bearing separator roll, type srd60

Hard chromium plated

 

Duo 1 with 2 rievap 32 dual shell drawroll, type j7/32-60, ot40

Speedrange:  1000 to 6000 mpm

Roll diameter:  190 mm

Working width:  250 mm

Temperature range:  45-250°c

 

Duo 2 with 2 rievap 32 dual shell drawroll, type j7/32-60, ot40

Speedrange:  1000 to 6000 mpm

Roll diameter:  190 mm

Working width:  250 mm

Temperature range:  45-250°c

 

Duo 3 with 2 cold draw roll units each type j7/45-55

Speedrange:  1800 to 5500 mpm

Roll diameter:  150 mm

Working width:  180 mm

 

Automatic and wasteless winder riemat a6-094:

Spindle driven

Number of ends per winder:  4 ends

Yarn count range:  15 to 1000 dtex

Take up speed:  2500 to 5500 m/min

Chuck length:  900 mm

 

190 mm stroke, 420 mm outside package diameter

Package volume:  24.7 dm³

Tube bore:  94 ± 0.2 mm

Tube outside diameter:  106 ± 0.4 mm

Tube length:  225 ± 0.5 mm

 

Compressed air distribution station:

Mobile aspirator guns with hoses

Electrical control equipment

For electrical power

                general : 3 x 380v/50hz plus ground wire

Euro-standard: 3x400v 50 or 60hz plus ground wire

Maximum voltage variation ±10% measured at terminals of cabinets

                maximum frequency variation: ±2%

 

Process control system (cif):

Fully integrated control system to control and monitor the entire spinning line.

The central monitoring unit si linked to the plc of the spinning section and the plcs of each spinning position.

 

Drive and heater control:

Spinning section.

Speed adjustment for the extruder motor is done via a dc-convertor.

To achieve a constant pressure at the extruder outlet, the output of the pressure controller is transmitted to the dc-converter to adjust the extruder speed.

The feedback of the actual extruder speed is done by a tacho generator mounted on the extruder motor.

One common frequency inverter supplies the synchronous ac motors for the spin pumps.

According to process conditions, the plc transmits the setpoint to the inverter.

All motors are equipped with an overload protection.

Solid state relays heat each extruder zone and spinning beam.

Each extruder zone and the spinning beam represent an independent control loop.

 

Take-up section:

The inverter unit is a processor-controlled static frequency inverter for powering the 3-phase motors.

All inverter units in a position cabinet are supplied with approx 570v dc from a common rectifier.

 

Heating system:

The heating unit rhu is processor-controlled.

The power supply is taken straight from 3-phase 380/400v which powers the cabinet.

The inductor is fitted inside the draw roll.

The rhu switches the current on and off in this inductor.

While current flows, a voltage is inducted into the rotating draw roll.

This sets up a short-circuit current in the draw roll, thereby heating the roll unit.

 

HOURLY PRODUCTION:

FOR 150 DENIER @ 3500 MPM WINDER SPEED, THE HOURLY PRODUCTION IS 3.5 KG/BOBBIN.

AS THERE IS 4 ENDS PER POSITION, THIS MEANS 14 KG/HOUR/POSITION

M26/39 ARE OF 2 + 4 POSITIONS; HENCE M26 = 28 KG/HOUR AND M39 = 56 KG/HOUR

M27/28/30 ARE OF 2 POSITIONS EACH, HENCE 28 KG/HOUR EACH.

(AS PER OUR PEOPLE AT THE EXTRUSION PLANT, THEY WERE RUNNING TRIALS TO PRODUCE THE 150 DENIER @ 4000 MPM WINDER SPEED)

 

FOR 300 DENIER @ 3600 MPM WINDER SPEED, THE HOURLY PRODUCTION IS 7.2 KG/BOBBIN.

AS THERE IS 4 ENDS PER POSITION, THIS MEANS 28.8 KG/HOUR/POSITION

M26/39 ARE OF 2 + 4 POSITIONS; HENCE M26 = 57.6 KG/HOUR AND M39 = 115.2 KG/HOUR

M27/28/30 ARE OF 2 POSITIONS EACH, HENCE 57.6 KG/HOUR EACH.

 

FOR 600 DENIER @ 2200 MPM WINDER SPEED, (SPEED LIMITATION DUE TO EXTRUDER CAPACITY) THE HOURLY PRODUCTION IS 8.8 KG/BOBBIN.

AS THERE IS 4 ENDS PER POSITION, THIS MEANS 35.2 KG/HOUR/POSITION

M26/39 ARE OF 2 + 4 POSITIONS; HENCE M26 = 70.4 KG/HOUR AND M39 = 140.8 KG/HOUR

M27/28/30 ARE OF 2 POSITIONS EACH, HENCE 70.4 KG/HOUR EACH.

 

MACHINE HAS BEEN PARTIALLY DISASSEMBLED (EXTRUDERS AND SPINBEAMS HAVE BEEN TAKEN DOWN TO GROUNDFLOOR) REST OF THE EQUIPMENT STILL TO BE DISASSEMBLED

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