Raw materials: rice husk, straw, herb, film, coconut shell
Advantages: fixed carbon, reproducibile, high volatile, low SO2 emmission, zero CO2 emmision
Raw materials: rice husk, straw, herb, film, coconut shell
Main energy: biomass black carbon, biomass wood vinegar
Biomass gasification power plant: capacity from 200kw to 3000kw, 1kg woody biomass generate 1kw electricity, 1kw woody biomass produce 2-3m3/h syngas, syngas heat value 1100-1500kcal/m3.
Applicable raw materials: a wide range of raw materials, such as straw, wood chips, rice husk, palm shell, bagasse and other agricultural and forestry wastes
particle size: 30-50mm, water content: less than 20%
|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|
fluidised bed or entrained flow reactors (Basu 2010). Several fixed bed gasification studies on feedlot manure and poultry litter have been performed over the past decade. Poultry litter gasification has been carried out in small-scale fixed bed gasifiers in order to recover energy (Priyadarsan et al. 2004;
Depending on the direction of flow of the feedstock and the gas, these gasifiers are classified as updraft and downdraft gasifiers. In updraft fixed bed gasifiers, the fuel is fed from the top while air is blown into the bottom of the reactor. This arrangement can withstand biomass of higher moisture content (up to 40–50%) . This is because the hot gas exiting the gasifier initiates the
2/12/2015 · Fixed-bed gasifiers can be operated in either batch or continuous mode. 11Dr. Petr Dudin | 2012 12. Bubbling Fluidized bed (BFB) Gasifier • Fluidized bed gasifiers have the reactors where solid particulate material is suspended in moving liquid or gaseous fluid. Some can contain Ni particles to promote decomposition of hydrocarbons to CO and
The main objectives of the used and placed in the animal farms of cattle, chicken or pig. present work are: (1) to investigate the feasibility of gasifying And normally some other materials, such as sawdust, rice manure compost in fluidized bed at low temperature, and (2) husk, tofu refuse, wood chip, bark, grass, straw, etc., are to evaluate the effects of catalyst, temperature, steam, and
Shell Coal Gasification Process - an overview - ScienceDirectThe gasification units consist of 26 Lurgi-type fixed bed gasifiers and 1 entrained-flow gasifier from Siemens, which
26/5/2017 · Fixed bed gasifiers is the traditional approach applied for biomass gasification and generally operated around 1000 ° C. An alternative name for the fixed bed gasifier is “moving bed reactor”. This is due to the movement of the biomass material in the main flow direction with very slow flowrate. The fixed bed gasifiers could be principally classified as updraft (countercurrent) and
5/3/2019 · Fluidized bed gasifiers produce a more energy-dense syngas than fixed bed systems. A fluidized bed consists of heated inert materials through which combustion air rises upward and creates a mass of suspended solids through which the fuel can intermingle. When the temperature is high enough, the gasification reaction occurs. These systems are generally more complex than fixed bed systems and
21/3/2022 · Xu Q (2013) Investigation of co-gasification characteristics of biomass and coal in fluidized bed gasifiers. Dissertation, University of Canterbury Dissertation, University of Canterbury You S, Wang W, Dai Y, Tong YW, Wang C-H. Comparison of the co-gasification of sewage sludge and food wastes and cost-benefit analysis of gasification-and incineration-based waste treatment schemes.
5.2.1. Fixed (Moving) Bed Gasifiers | netl.doe.govFixed- or moving-bed gasifiers commonly operate at moderate pressures (25-30 atmospheres). Feedstocks in the form of large coal p
fixed bed gasifier is an essential process applied in the production of electricity for industrial or domestic use. This is where electrical producing equipment such as generators come in handy. This is where electrical producing equipment such as generators come in handy.
15/11/2017 · Gasification was proposed as the green technology to convert chicken manure into clean energy. Through gasification experiments in a 10 kW fixed bed downdraft gasifier, it was found that chicken manure was indeed a compatible feedstock for gasification in the presence of wood waste.
The laboratory scale research on co-gasification chicken manure with wood pellets has been carried out in a fixed bed gasifier of capacity 5 kg/h. The experiments were done for two types of fuel
gasification of feedlot manure. For example in Texas, feedlot manure and chicken litter were used as inputs to a fixed bed gasification system (Priyadarsan et al. 2004). The feedlot manure was a blend of 70% manure from a soil-surfaced feedlot and 30% manure from a fly-ash bedded feedlot. The resulting manure had an ash content
The bed materials used were K-feldspar, fresh and layered olivine, and limestone, and the fuels gasified were softwood, chicken manure, a bark–chicken manure mixture and a bark-straw-chicken manure mixture. The water-gas-shift (WGS) equilibrium deviation was used to evaluate the catalytic activity inside the gasification reactor. It was shown that both the fuel ash and bed material have an
Our biomass (chicken manure/poultry manure) gasification process includes three steps. The First step is biomass gasification, which convert chicken manure/poultry manure into syngas. The Second step is syngas purification. The producer gas coming from gasifier usually contains contaminants including dust, coke, tar and etc.