Haiqi Biomass Gasifier
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Sawdust Updraft Gasification

Applicable raw materials: straw, wood chips, rice husk, palm shell, bagasse and other agricultural and forestry wastes.
Particle size: 30-50mm
Water content: less than 20%
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Product Description
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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Sawdust Updraft Gasification

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Potential Utilization of Sawdust in Energy, Manufacturing and

The sawdust is burnt in an updraft gasifier under a limited supply of air to obtain producer gas which is carbon II oxide and hydrogen as main components. The sawdust and other biomass materials are mixed in certain proportions, then bound together and palletized to a small blocks called briquettes.

Types of Gasification: Which is the best process? - Waste to

Jun 01, 2020 · Updraft Gasifiers- These type of gasifiers are one of the simplest and most common types of gasifier for biomass. With updraft gasification, the fuel is supplied at the top and the air at the bottom so that fuel moves against the air flow. Downdraft Gasifiers – The downdraft design is essentially the same as the updraft design except that

Biomass Gasification by updraft or downdraft gasifier

Apr 30, 2012 · In biomass gasification technology there are so many manufactures who are manfacturing gasifiers on different technology. different types of gasifiers like down draft or updraft & suction or pressure mode gasification are availalble in market.

Development of a Laboratory Scale Updraft Gasifier

This study presented a designed and fabricated 11.19 kW laboratory scale updraft gasifier tested on sawdust and palm kernel shell as feedstock. The samples of the pulverized feedstock were analysed for their fuel characteristics. The results of the proximate analysis of the sawdust and palm kernel shell showed that the respective moisture content of 9.9 and 12% (dry basis) contains 4 and 3% fixed carbon, 82 and 55% of volatile matter and 4 and 30% of ash on dry basis.

Gasification fuel

Hence, wood is not suitable in updraft gasifier coupeled with internal combustion engines. However, the gas containing tar from updraft gasifier can be used for direct burning. Downdraft can be designed to produce relatively tar-free gas. After passing the gas through simpel clean-train, it can be used in the internal combustion engines. Sawdust

Biomass Gasification 101 - National Energy Technology Laboratory

haiqi Gasification •Uses 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 materials

Assignment 8: Comparison of gasification, pyrolysis and

May 08, 2010 · Gasification Higher temperature, T>800oC Up to 20%1 Up to +20%2 ~85% 1. Updraft gasifiers produce 10% to 20% tar, while tar content from downdraft gasifiers is low. 2. Downdraft gasifiers produce 20% or more char, while char content from updraft gasifiers is low. 5.4 Level of technology Combustion technologies are long known and widely used. [3]

Experiments and numerical simulation of sawdust gasification

Dec 01, 2012 · DOI: 10.1016/J.CEJ.2012.09.076 Corpus ID: 95716709; Experiments and numerical simulation of sawdust gasification in an air cyclone gasifier @article{Gao2012ExperimentsAN, title={Experiments and numerical simulation of sawdust gasification in an air cyclone gasifier}, author={Jianmin Gao and Yijun Zhao and Shaozeng Sun and Hongwei Che and Guang-bo Zhao and Jiangquan Wu}, journal={Chemical

Soymilk production with a TLUD (Top Lit Updraft Gasifier

Photo1: right side the gasifier/ water boiler, center the water/ soymilk tank and left the rotating separation sieve. The gasifier is build out of stainless steel S 316. The lower part is dimensioned for up to 25 kg of sawdust and wood shavings. The upper part consists of an inner hot water boiler and outer water filled jacket.

2.3 Types of gasifiers - Food and Agriculture Organization

Ashes are removed from the bottom of the gasifier. The major advantages of this type of gasifier are its simplicity, high charcoal burn-out and internal heat exchange leading to low gas exit temperatures and high equipment efficiency, as well as the possibility of operation with many types of feedstock (sawdust, cereal hulls, etc.) .

Simulation of the biomass updraft gasifier

The Harboore gasifier - where a considerable amount of experimental information is available - will be used as reference for this study. The Harboore gasifier (Northwest coast Jutland, Denmark) is an - nominally 3700 kW woodchips fuel fired - updraft gasifier, which was set in operation late 1993 by Volund, Denmark.

Updraft gasification of poultry litter at farm-scale--A case

Farm and animal wastes are increasingly being investigated for thermochemical conversion, such as gasification, due to the urgent necessity of finding new waste treatment options. We report on an investigation of the use of a farm-scale, auto-thermal gasification system for the production of a heating gas using poultry litter (PL) as a feedstock.

Updraft Gasifiers - Ascent Bio Energy

In updraft gasifiers, gas is drawn out of the gasifier from the top of the fuel bed while the gasification reactions take place near the bottom. As the producer gas passes through the fuel bed, it picks-up volatile matter (tars) and moisture from the fuel. Therefore, the gas from the updraft gasifier contains condensable volatiles.

Downdraft Biomass Gasifiers and Updraft Biomass Gasifiers

With this gasifier, we present an economical and eco- friendly solution to convert woody biomass /agricultural wastes like coconut waste, rice-husk etc. into a combustible gas that can be further used in a number of applications. We offer two types of gasifier for bioMass viz, updraft and downdraft gasifiers.

Design and Development of Updraft Gasifier Using Solid Biomass

Jun 04, 2017 · Updraft gasifier as tars are converted into smaller molecular Updraft gasifier is suitable for the solid biomass which has high-moisture (up to 60%), high-ash (up to 25%) and low-volatile fuels such as charcoal and it is also called as a countercurrent gasifier. Updraft gasifier has some advantages over downdraft gasifiers

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