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|
20/10/2015 · A gasifier stove is essentially a small gasifier-gas burner system. The main advantage of a gasifier stove is the almost total elimination of smoke is possible with this design. Considering that it is normally not possible to operate a blower in rural areas of most of developing countries due to lack of electricity supply, a natural draft gasifier stove appears to be a particularly interesting
Assumption for design a down draft gasifier. The hot gas efficiency of the gasification system ( η g) 60% Specific gasification rate(SGR) 110 kg h-1m-2 Calorific value of gas (CV g) 4.6MJ m-3 Calorific value of feed stock(CV f) 16.75 MJ kg-1 Gas output from wood chip(PG out) 2.2 m 3kg-1 Table 2.
Natural draft cross flow stove models IGS2, DGS2 and CS3 San San rice husk Gasifier stove Asian Institute of Technology, Thailand Reed and Larson wood-gas cook stove use small wood chips and sticks for the operation, and produce very low CO emissions, and is therefore suitable for indoor cooking.
Cross-draft gasifier is more efficient when compared to up-draft and down-draft as it has very fast response time to load, flexible gas production duration and short design height (Kumar et al., 2009). Solid fuels used for gasifiers range from rice husk, wood chips, charcoal, maize cob, sawdust and coal, thus forming the basis for this study.
easy operation cross draft gasifier plant innovative energy waste-to-energy gasification promotion Aug 25, 2021 · high performance biomass gasification power plant with ce high performance biomass gasification power plant with ce certific
Fig. 14. Assembling of gasification zone, casing and gas outlet 36 Fig. 15. Outer cylinder and complete gasification zone assembly 36 Fig. 16. Isometric, front and side view of complete gasifier 37 Fig. 17. Fabricated downdraft gasifier 39 Fig. 18. Wood chips and mustard oil cake 40 Fig. 19. General sketch of gasifier 43
A downdraft gasifier has the air and biomass injected at the top and the products of gasification exit at the bottom. This is called a co-flow gasifier because the air flows in the same direction as the biomass. A cross draft gasifier has air passing through the fuel from side to side. A fluidized bed gasifier has heated air
Feedstock versatility • Fuels with high moisture content (up to 60% on wet basis) can be used for gasification in updraft gasifiers. • Updraft gasifiers can also process a wide range of feedstock particle sizes. • Cross draft gasifiers have the lowest tolerance for fuels with a high moisture as well as bigger particle sizes.
efficiency cross draft gasifier price-Haiqi Biomass Gasificationbasic energy supply cross draught gasifier cost-Haiqi Biomass Cross Draft Gasification. Cross draft gasification is
Cross draft gasification is one of the simplest types of gasification; the reactor for this gasification is much like the updraft gasifier in that the fuel will enter from the top and the thermochemical reaction will occur progressively as this fuel descends into the reactor. The crucial difference is that the air will be entering the gasifier from the side of the reactor, rather than from the
gasifier is throated down draft gasifier. The fuel used in this gasifier is wood chips. Firing nozzle is used to start the combustion process. Ash and gases will passes through the grate region. Ash will be collected in the ash pit and producer gas will leave the gasifier through the gas outlet. The main design criteria considered for well-
1/6/2020 · There are three types of fixed bed gasifiers: updraft (counter-current), downdraft (co-current), and cross draft gasifier. Moving-bed gasifiers share the following characteristics*: Simplicity of gasifier configuration and operation. High equipment efficiency. Relatively low oxidant (oxygen or air) requirement.
up draft (counter- current) down draft ( co-current ) down draft (co-current) cross draft (cross-current) Figure 2. Reactor configurations. 4. Present design 4.1 Rating The present design is meant for supplying enough wood gas to drive a 5 hp engine coupled to a pump. Since it is reasonably well known that the amount of diesel that can
Cross draft gasifier operates well on dry air blast and dry fuel. Fluidized Bed Gasifier The operation of both up and downward draft gasifiers is influenced by the morphological, physical and chemical properties of the fuel. Problems commonly encountered are: lack of bunkerflow, slagging and extreme pressure drop over the gasifier.
14/6/2021 · Small-scale downdraft gasification units paired with gas clean up technologies and engines are commercially available across Europe, but these are typically designed to operate on clean wood-chips with very narrow specifications on size and moisture. As such, the ability to operate on more economical feedstocks would be very advantageous and would reduce the operating cost of small-scale CHP