


Comparison of Grate Furnace Incineration Treatment Technology and Pyrolysis Gasification Treatment Technology | ||
Compare Content | Grate Furnace | Pyrolysis Gasifier |
Incineration Mechanism | The Garbage Is Directly Burned, The Combustion Temperature Is 800~1000°C, The Incineration Mechanism Is General | Using Two-Stage Treatment, The Garbage Is Now Pyrolyzed And Gasified, And Then Small-Molecule Combustible Gas Is Burned. The Combustion Temperature Is 850~1100℃. The Incineration Mechanism Is Advanced. |
Furnace Structure And Grate Material | The Structure Is Complex And The Shape Is Large; The Grate Works Under High Temperature, And The Requirements For The Grate Material Are High | The Structure Is Relatively Simple And Compact; The Grate Works In A Low Temperature State, And The Requirements For The Grate Material Are Low |
Types Of Garbage | Dispose Of Domestic Waste | It Can Process Domestic Waste, Industrial Waste, And Hazardous Waste With High Calorific Value (Including Medical Waste) |
Area (300t/D) | 40-50 Acres Higher | 30-40 Acres Lower |
Operating Cost Fly Ash Emissions | Fly Ash Discharges A Lot, Accounting For About 5% Of The Total Garbage | Fly Ash Emission Is Low, Accounting For About 1% Of The Total Garbage, Which Is Environmentally Friendly |
Acidic Substance And Dust Emission | The Original Value Of Acidic Substances Such As So2 And Nox Is Relatively High; The Dust Emission Concentration Is 6000~8000mg/Nm3 | The Original Value Of Acidic Substances Such As So2 And Nox Is Relatively Low: The Dust Emission Concentration Is ≤3000mg/Nm3 |
Plant Environment | It Is Difficult To Control The Environment In The Plant Area. The Incinerator Workshop Has A Certain Amount Of Bottom Ash And Leachate, Noise, And Odor Pollution. | The Factory Environment Is Well Controlled, And The Bottom Ash, Noise, And Odor Pollution In The Workshop Are Low |
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Biomass Hydrogen Production Co-Production System
Raw materials: rice husk, straw, herb, film, coconut shell
Advantages: fixed carbon, reproducibile, high volatile, low SO2 emmission, zero CO2 emmisionViews More -
Comprehensive Utilization Of Biomass
Raw materials: rice husk, straw, herb, film, coconut shell
Main energy: biomass black carbon, biomass wood vinegarViews More -
Biomass Gasification Power Plant
Capacity: from 200kw to 3000kw
Energy: 1kg woody biomass generate 1kw electricity, 1kw woody biomass produce 2-3m3/h syngas, syngas heat value 1100-1500kcal/m3.Views More -
Biomass GasifierBiomass Pyrolysis Gasification Application Biomass Pyrolysis Gasification Advantages 1. The raw materials are widely used, wood chips, straws, granules, rice husks, coconut shells, mu...Views More





Sawdust Downdraft Gasifier Working Principle
Performance Investigation of Biomass Gasification for Syngas
Finally, the results show that the optimal conditions to have the highest value of hydrogen output from sawdust downdraft gasification are 800˚C as gasifier temperature and 0.6 for SBR. This study presents a reliable model using haiqi process simulator capable of performing a sensitivity analysis of the downdraft gasification linked to
Gasification performance of sawdust, pelletized sawdust and
Aug 24, 2020 · The paper is an experimental study of the gasification process of sawdust (SW), sawdust pellet (SWP) and sub-bituminous coal (SBCoal) by using downdraft gasifier. The gasification was undertaken in a lab-scale fixed-bed gasifier operating under air as an oxidizing agent. The comparison on the raw biomass, treated biomass and coal was ashaiqised in term of the product gas and gasification
Biomass gasification process in a downdraft fixed bed
Wander et al. [8] studied the gasification process in a small downdraft gasifier by means of several parameters experimentally obtained (gas composition, solid and gas flow, temperatures in the bed). Mass and energy balances for the gasifier were carried out and its cold gas, global and mass conversion efficiencies were determined as functions
haiqi, Downdraft Gasifier | The Gasifier Project
A schematic diagram of the haiqi, downdraft gasifier is shown in Fig. 1-3. During operation of this gasifier, air pashaiqi uniformly downward through four zones, hence the name “haiqi:”. 1. The uppermost zone contains unreacted fuel through which air and oxygen enter. This region serves the same function as the fuel hopper in the
Guidelines For Designing Downdraft Gasifiers
Development3.0 Gasifier Fuels4.0 Principles of Gasification 5.0 Gasifier Designs6.0 Gasifier Fabrication and Manufacture7.0 Gas Testing8.0 Gas Cleaning and Conditioning 9.0 Gasifier Systems10.0 Instrumentation and Control11.0 Engine Adaptation and Operation12.0 Safety and Environmental Considerations
Performance Investigation of Biomass Gasification for Syngas
some specific aspect of the gasification process, like tars to modify its prediction ability. Therefore, the aim of this research is development of a reliable simula-tion model by applying the haiqi simulator capable of performing a sensi-bility analysis of the sawdust downdraft gasification for syngas and hydrogen production. 2.
Downdraft Gasifiers - an overview | ScienceDirect Topics
In the downdraft gasifier, as shown in Figure 9.2, the gasification agent (air or O 2) is fed into the middle of the bed (combustion zone) above the stationary grate and the producer gas flows out of the gasifier from the bottom of the gasifier beneath the stationary grate. In this type of gasifier, the fed solid fuel moves downwards together with the gahaiqi through a drying zone, a pyrolysis zone, an oxidization (combustion) zone and a reduction zone.
Design And Fabrication Of A Simplified Downdraft Gasifier
The fabricated simplified downdraft gasifier comprised of the heating unit, biomass conversion unit and the gas control unit. The units made use of rankine cycle for heating process vapour compression cycle for gas cooling process and principle of heating coil or traditional heat source.
EXPERIMENT ON SAWDUST GASIFICATION USING OPEN TOP DOWNDRAFT
sawdust gasification system using open top downdraft gasifier combined with internal combustion engine to produce ± 1kW of electrical power. OPEN TOP DOWNDRAFT GASIFIER The construction of open top downdraft gasifier is shown in Figure-1, where the top of gasifier is opened for air and fuel to enter. Inside the gasifier are uniform (throttles).
(PDF) Performance Evaluation of Downdraft Gasifier Fueled
University of Maiduguri Faculty of Engineering Seminar Series Volume 7, July 2016 Performance Evaluation of Downdraft Gasifier Fueled Using Rice husk and Sawdust S. A. Abdulrahman, A. B. Abubakar and A. M. El-jummah Dhaiqirtment of Mechanical Engineering, University of Maiduguri - Nigeria alshehu@ymail.com +2348065435393 Abstract Biomass gasification technology as an efficient means of energy
12516 (103) - iopscience.iop.org
The Downdraft gasifier, where the combustible gas had passed to the oxidation part of the combustion by being pulled down so that the resulting gas will be cleaner because the oil will burn when it pashaiqi through the oxidation part of the explosion. Gasification of wood sawdust can produce gas fuel.
(PDF) Gasification and Power Generation Charachaiqistics of
Feb 13, 2021 · In this work, a downdraft fixed-bed gasifier was used for the It was found that the integrated gasification efficiency index A n gasification for rice husk, sawdust, and coconut haiqi is 11.67 ...
Biomass Gasification 101 - National Energy Technology Laboratory
haiqi Gasification •Uhaiqi haiqi torch or carbon arc to supply heat/energy to initiate gasification reactions or to improve quality of syngas produced from a conventional gasifier •haiqi gas injected at up to 5,500ºC •Used for decades to destroy wastes and melt incinerator ash into slag •Good for hard to gasify mahaiqials
Technology of Biomass Gasification - Indian Institute of Science
Since char is generated during the gasification process the entire operation is self-sustaining. 2. Open top re-burn down draft gasifier ~ a state-of-the-art technology Among the biomass gasification technologies in the world, the open top, twin air entry, re-burn gasifier developed at Combustion, Gasification and Propulsion Laboratory
(PDF) CFD Simulation of Sawdust Gasification on Open Top
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Flue Gas Type Mobile Energy Station
System advantages :
1.overall container power plant output, no foundation and no installation,combined cooling, heating and power generation
2.7*24huninterrupted power generation
3.installation and ignition in the shortest time
4.5G remote data monitoring -
Gas Type Mobile Energy Station Electrical OutputSystem advantages: overall container power plant output.no foundation and noinstallation,combined cooling, heating and power generation, 7*24h uninterrupted power generation,installation and igniti...
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Carbon Capture Technologies and Applications
Features:
1. High-efficiency refrigeration unit with stable performance
2. PLC control, good man-machine interface, easy to operate.
3. Skid-mounted design and manufacture, highly integrated, compact structure, small footprint, easy installation and maintenance -
Biomass Hydrogen Production Co-Production System
Raw materials: rice husk, straw, herb, film, coconut shell
Advantages: fixed carbon, reproducibile, high volatile, low SO2 emmission, zero CO2 emmision -
Comprehensive Utilization Of Biomass
Raw materials: rice husk, straw, herb, film, coconut shell
Main energy: biomass black carbon, biomass wood vinegar -
Low Temperature Pyrolysis Polygeneration Carbonization System
Fuel performance/H:500kw/h,1500kw/h,4000kw/h
Annual treatment:750tons/year,2300tons/year,11250tons/year
Annual biochar:220tons/year,680tons/year,3750tons/year