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Present position：Home » Products » Biomass Gasifier

Powermax's Feature - TFBG System

        Twin Fire Fixed Bed Gasifier
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            TFBG Introduction

            POWERMAX Twin-Fire Fixed Bed Gasifier (TFBG), developed and researched independently by POWERMAX, is a high-efficient biomass fixed bed gasifier that combines the advantages of traditional Updraft Fixed Bed Gasifier (UFBG) and Downdraft Fixed Bed Gasifier (DFBG) and improves the disadvantages of the two gasifiers.

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                        COMPARISON                        ADVANTAGES                        DISADVANTAGES
                        Traditional Updraft Fixed Bed Gasifier(UFBG)                        High thermal efficiency                        Dirty gas with much tar
                        Traditional Downdraft Fixed Bed Gasifier(DFBG)                        Low thermal efficiency Clean gas with little tar                        Low thermal efficiency
                        Powermax Efficient Twin-Fire Fixed Bed Gasifier(TFBG)                        High thermal efficiency clean gas with little tar


    Suitable Fuel:

    Briquettes fuels like wood chip, rice husk block, straw block, coal, etc.

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  • 1. Elevator

  • 2. Gasifier

  • 3. Cyclone

  • 4. Air cooler

  • 5. Indirect cooler

  • 6. Electric tar precipitator

  • 7. Isolation seal

  • 8. Roots blower

  • 9. Indirect cooler

  • 10.Water drop catcher

  • 11. Water bleeding

  • 12. Gas flare

  • 13. Buffer tank

  • 14. Generator set

  • 15. Air blower

  • 16. Cooling tower

  • 17. Water pump

  • 18. Cooling water pool

  • 19. Condensate water pool

  • 20. Tar tank

  • 21. Hot air heat exchanger

  • 22. Heat recovery boiler

Technical Parameters of TFBG Power Plant
Model 50TFBG 100TFBG 200TFBG 300TFBG 400TFBG 500TFBG 600TFBG 800TFBG 1000TFBG 1200TFBG 1500TFBG 2000TFBG
Rated Power(kw) 50 100 200 300 400 500 600 800 1000 1200 1500 2000
Rated Frequency 50 /60 HZ
Rated Voltage(V) 220 / 400 / 440 / 6300 / 6600 / 11000 /13800
Model of Gasifier TFBG50 TFBG100 TFBG200 TFBG300 TFBG400 TFBG500 TFBG600 TFBG800 TFBG1000 TFBG1200 TFBG1500 TFBG2000
Gasifier Type Twin-Fire Fixed Bed Gasifier
Biomass Moisture Requirement ≤20~35%（wet basis）
Biomass Size Requirment Diameter 10mm-80mm;Length 10-80mm;
Biomass Consumption(Kg/hr) 50-100 100-200 200-400 300-600 400-800 500-1000 600-1200 800-1600 1000-2000 1200-2400 1500-3000 2000-4000
Gas Production(Nm3/h) 125-150 250-300 500-600 750-900 1000-1200 1250-1500 1500-1800 2000-2400 2500-3000 3000-3600 3750-4500 5000-6000
Ash Discharge Type Wet Ash Type/ Dry Ash Type
Type of Gas Purification Dry Type Gas Purification System
Heat Value of Gas ≥1200Kcal/Nm3
Gas Composition CO-15~20%,  CO2-8~12%,  CH4-upto 3%   H2-15~20%  N2-45~50%
Model of Gensent 50GFLS 100GFLS 100GFLS 300GFLS 400GFLS 500GFLS 300GFLS 400GFLS 1000GFLS 400GFLS 500GFLS 1000GFLS
Qty of Genset 1 1 2 1 1 1 2 2 1 3 3 2

Layout of Twin-Fire fixed bed gasification power generation system

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3D Layout of 1MW Twin-Fire Fixed Bed Gasification Power Generation System


Floor Plan of 5MW Twin-Fire Fixed Bed Gasification Power Generation System

(only for reference; take the engineering diagram as criterion)

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Elevation of 5MW Twin-Fire Fixed Bed Gasification Power Generation System
(only for reference; take the engineering diagram as criterion)
Benefit analysis

The biomass gasification polygeneration technology can efficiently transforms the biomass into electric energy or thermal energy and simultaneously produce the biomass charcoal and the biomass wood vinegar. The electricity generated can be directly connected to the grid with a price subsidy of 0.75 yuan/KWH; Biochar can be used in production, barbecue charcoal and carbon base fertilizer and other products; The biomass extract obtained by purification of wood vinegar is widely used in pharmaceutical and food industries or as leaf fertilizer.

Take 5MW Biomass Wood Pyrolysis Gasification Co-generation of Electricity, Carbon, Liquid and Thermal System As An Example for Benefit Analysis
Project Name Unit Value Comment
Consumption&Output
Biomass Consumption kg/h 5,000
Generated Energy kw 5,000 The long running load is 90%
Biochar Yield kg/h 250
Biomass Extract Yield kg/h 500
Steam Output t/h 5 Waste heat utilization of generator sets
Hot Water Output t/h 50 Transfer utilization of cylinder water and gas heat
Benefit Analysis
Total Project Investment USD 11,705,147.11 Differences due to different price of distinct area
Annual Running-time h 7,500
Self-consuming Electricity % 10
Fuel Cost USD 1,646,036.31 43.89 USD/t
Staff Salary USD 263,365.81
Maintenance and  Repair Costs USD 117,051.47
Oil Consumption USD 93,641.18 1kwh consuming 1g engine oil
Equipment Amortization USD 365,785.85
Management Cost USD 43,894.30
Annual Total Cost USD 2,529,774.92
Annual  Line Capacity kwh 33,750,000 Self-consumption electricity
Annual Electricity Income USD 3,703,215.92 0.11 USD/kwh
Annual Biochar Income USD 411,143.29 Charcoal 219.47 USD/t
Annual Biomass Extract Income USD 219,471.51 58.53 USD/t
Annual Steam Income USD 1,097,357.54 29.26 USD/t
Annual Hot Water Income USD 1,097,357.54 2.93 USD/t
Gross Annual Income USD 6,528,545.80
Annual Profit USD 3,998,770.88
Investment Payoff Period year 3.4 Half a year construction period included

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Greece 1MW biomass gasification power generation station(wood chips)


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