Qingdao Jieneng, C15-8.83/0.981, 2018, Biomass Cogeneration Power Plant, 2 x 75 t/h Boilers, 2 x 15 MW Turbogenerators

Description

  1. Overview

    1. Consists of 2 sets of 75 t/h (165,000 lb/hr) circulating fluidized-bed biomass boilers paired with 2 sets of 15 MW extraction turbogenerator units

    2. Generates power and supplies industrial steam, using agricultural and forest residues as fuel

    3. The whole plant was shut down and sealed in 2025

    4. Receives regular onsite maintenance; high/low voltage equipment is under energized preservation

    5. All equipment remains in good condition and is available for site inspection

  2. Specifications

    1. Condition: Used

    2. Year: 2018

    3. Steam turbine model: C15-8.83/0.981

    4. Rated power: 15 MW per turbogenerator set (2 sets)

    5. Generator model: QFM-15-2

    6. Boiler model: HX75/9.81-IV2

    7. Rated evaporation: 75 t/h (165,000 lb/hr) per boiler

  3. Boiler Equipment

    1. 75 t/h (165,000 lb/hr) circulating fluidized-bed biomass boiler (2 sets)

    2. Model: HX75/9.81-IV2, rated evaporation 75 t/h (165,000 lb/hr); 9.81 MPa (1,423 psi), 540 C (1,004 F); thermal efficiency 90% or more

    3. Good fuel tolerance for high-moisture, high-ash biomass; complete feeding, fluidization and dust-removal systems

    4. Equipped with reverse-osmosis water treatment system and high-pressure deaerator

  4. Turbogenerator Equipment

    1. 15 MW extraction turbogenerator set (2 sets)

    2. Steam turbine: Qingdao Jieneng model C15-8.83/0.981, rated 15 MW, manufactured 2018; supplies 10 t/h (22,000 lb/hr) steam at 0.981 MPa (142 psi) extraction pressure, 3,000 rpm

    3. Generator: Jinan Power Equipment Factory, 18,750 kVA / 15 MW, 10.5 kV, power factor 0.8 lagging, 50 Hz; full excitation and cooling systems

  5. Fuel System

    1. Main fuel: eucalyptus scraps, forest and crop straw residues; designed for 40% total-moisture biomass feedstock

    2. Crushing unit: WD-series biomass crusher, to meet fuel size requirements for stable combustion

  6. Auxiliary Systems

    1. Fuel storage, silos, closed belt conveying and crushing workshop

    2. Water-treatment station, dosing system, circulating cooling water system

    3. 10.5 kV high/low-voltage power distribution, DC power supply and DCS central control system

    4. Flue-gas dedusting system (cyclone plus baghouse filter) for ultra-low emission

    5. Full plant process piping network (main steam, heating extraction, circulating water, demineralized water, fuel oil)