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NGR, X:Gran 145 HD, 900 to 1000 kg/h, 145mm Extruder, Regranulation Line

NGR, X:Gran 145 HD, 900 to 1000 kg/h, 145mm Extruder, Regranulation Line

Description

  1. Overview
    1. Overconsumption: 500 kW
    2. Output: 1000 kg per hour
    3. Intended for the following waste: BOPP film, fluff, lumps, MDO waste: 900 to 1000 kg/h; CPP film, fluff, lumps: 900 to 1000 kg/h
    4. Performance is provided for reference only
    5. The capacity of the device depends on the properties of the material, e.g. moisture content, printing, weight, melt index, contamination and degree of filtration
    6. Average power consumption: 500 kW
    7. Average cooling water demand: 668 l/min
    8. Average fresh water consumption: 34 l/h
    9. Maximum compressed air consumption: 100 l/min
    10. The values given above are only reference values and may differ from the final values obtained after calibration of the device; this data should not be used for planning
  2. Cutter-Feeder Extruder Combination
    1. The hydraulically operated slider pushes the waste material towards the rotating cutter shaft; this slider is controlled by the amperage of the shaft to reach a constant output of the extruder
    2. The material is cut between rotating and stationary blades; the cut material is axially transported, friction heated and compressed and then fed into the extruder, where melting and mixing take place
    3. The bimetallic (more wear resistant) extruder has a heating-cooling combination which is equipped with melt pressure and melt temperature sensors
    4. The extruder screw is nitrogen hardened and has amounted flanks for additional wear resistance
    5. The whole plant including the screen changer, pelletizing unit and downstream equipment is PLC controlled
  3. Single Shaft Shredder
    1. Hopper capacity: 1.6 m³
    2. Width of cutter shaft: 1400 mm
    3. Shaft drive: 90 kW
    4. Hydraulic aggregate: 7.5 kW
  4. Feeding Screw
    1. Feeding screw diameter: 200 mm
    2. Feeding drive: 45 kW frequency controlled
  5. Extruder
    1. Extruder screw diameter: 145 mm
    2. L/D ratio: 30
    3. Heating capacity: 60 kW
  6. Extruder Drive Unit 250 kW
    1. Extruder drive: 250 kW
  7. Conveyor Belt Incl. Metal Detector
    1. The conveyor belt transports the waste material via an all-metal detector with an opening of 560 x 900 mm into the hopper of the cutter-feeder extruder combination
    2. The metal detector is equipped with an optical and acoustical alarm and stops the material feed immediately upon detection of metal parts
    3. Length of belt: 7000 mm
    4. Width of belt: 900 mm
    5. Drive: 1.5 kW
    6. Belt speed: 0.2 m/s
    7. Accuracy detection: > M6 nut
  8. Reel Feeder (Maximum Intake Capacity 750 kg/h)
    1. Suitable device for the feeding of reel stock to the cutter-feeder extruder combination
    2. Two rollers with infinitely variable speed clamp the film and transport it with adjustable force into the hopper
    3. Suitable for continuous feeding of TDO film with maximum width of 6600 mm
    4. Maximum feeding width: 600 mm
    5. Feeder drive: 2.2 kW
    6. Maximum feeding rate: 60 m/min
    7. Maximum feeding force: 4110 N
  9. Screen Changer
    1. Used for continuous melt filtration
    2. Two hydraulically driven pistons contain the filters, which can be changed without stopping the process (one stays in operation, the other can be changed)
    3. Process is adjusted accordingly via melt pressure before screen changer
    4. Screen size in operation: 2 x 345 cm² (x 38 inches²)
    5. Screen size: 176.3 mm (6.94 inches)
    6. Screens: 2
    7. Heating capacity: 19.2 kW
    8. Hydraulic drive: 5.5 kW
  10. Pelletizing Unit Incl. Downstream Equipment
    1. The water-ring die-face pelletizer with feeding unit and the centrifuge are made of stainless steel, equipped with water filtration and water recycling tank
    2. Wear resistant die with adjustable knife pressure and infinitely variable pelletizing speed
    3. Pelletizer drive: 2.2 kW
    4. No. of blades: 4
    5. Centrifuge drive: 5.5 kW
    6. Water pump: 7.5 kW
    7. Heating capacity: 5 kW
  11. Automatic Adjustment of Speed of Pelletizing Unit
    1. Automatic adjustment of pelletizing speed controlled via a melt pressure sensor measured between screen changer and die
  12. Additional Information
    1. Barrel: bimetallic extruder drum, 1.8-2.0 mm reinforced layer, hardness 63-65 HRC
    2. Screw: land cladded and nitrided, hardness 54-56 HRC
    3. The lifetime of the screw cannot be guaranteed because this is dramatically influenced by the processed materials, the contamination and additives
  13. Colour
    1. The system is executed in following colours: grey RAL 7035 / RAL 7046 and yellow RAL 1021
  14. Safety Regulations
    1. The installation has been designed and manufactured in accordance with DIN, CE and ISO safety guidelines
    2. It is the customer's responsibility to comply with any local safety requirements
  15. Documentation
    1. 1 x in paper form, 1 x on CD-ROM
    2. Along with the installation, it provides a full set of documentation for the installation in English, which includes: list of spare and wearing parts, operation and maintenance manual, installation instructions
  16. Electricity
    1. Standards (NGR): TN-C network with a directly earthed point in which an earth conductor (PE) is connected to this point
    2. Three phase system 0-conductor
    3. Voltage: 3 x 400 volt, probable fluctuation maximum: ± 5%
    4. Frequency: 50 Hz, probable fluctuation maximum: ± 4%
    5. Protection measure: protection multiple earthing
    6. Ambient temperature: min. 15 °C, maximum 35 °C
    7. Humidity of air maximum: 90%
    8. Altitude of installation site: 0-1000 m
  17. Cooling Water
    1. The cooling water has to be chemically neutral and is not allowed to be aggressive
    2. Cooling water is closed or open loop circuits and water quench system must have the following properties: temperature maximum 15 °C, cooling water inlet tolerance +/- 2 °C maximum, general requirements no sediment, pH index (at 25 °C) 7.5-9, electrical conductivity < 150 µS/cm, total hardness < 5 °dH, carbonate hardness < 3 °dH, chlorides < 40 mg/l
  18. Second Cooling System
    1. Depending on the quality of the water, it can cause calcification when the temperature rises above 55 °C
    2. In this case, a second water system is necessary, in which process water flows
    3. There must be no deposits or calcification in the cooling water inlet
  19. Alternative Systems in Case of Too High Carbonate Hardness of Water
    1. If the carbonate hardness of the water is too high, the customer must install special water softening equipment or a cooling system with a heat exchanger
    2. If a cooling unit is used, it is essential to follow the installation and operation instructions provided by the unit manufacturer
  20. Water Requirements
    1. Cooling water requirements are dependent on the quality and form of the material produced and the allowable temperature difference between the cooling water inlet and outlet
    2. If the water quality deviates, the customer must install special water softening equipment or a cooling system with a heat exchanger