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|
1/2/2019 · Downdraft gasifier performance parameters Miscanthus Drying (T01) (ÂºC) Pyrolysis (T02) (ÂºC) Gasification (T04) (ÂºC) Throat (T03) (ÂºC ) Gasifier pressure (P01) (bar) Hot gas filter Pressure (P02) (bar) Optimum time of gasification(minutes) OPM12 219 380 985 430 0.99 0.97 12 MxG 268 427 725 497 1.05 1.08 30 OPM53 116 211 699 407 1.07 1.10 32 Fig. 3.
Wood pellets were supplied to a downdraft gasifier to produce syngas fed to a steel swirl burner. The preliminary results were encouraging and represented a first step toward a successful development of this technology. The burner required an equivalence ratio (the actual air to fuel ratio relative to the stoichiometric air to fuel requirements) of 2.6 for near complete combustion
1/6/2020 · Downdraft Gasifiers– The downdraft design is essentially the same as the updraft design except that feed and air move concurrently from top to bottom of the gasifier. Advantage of the downdraft fixed-bed gasifier is that the tars are cracked down in the oxidation zone, thus the producer gas has lower tar content compared to other types of gasifiers.
Downdraft gasifier modelingBiomass gasification involves a number of complex thermochemical processes. Independent of the gasifier type, generally the biomass gasification process
Home » News » Waste To Energy » clean energy downdraft wood gasifier for sale clean energy downdraft wood gasifier for sale Wood Gasifier Builder’s Bible: Advanced Gasifier Plans to I know the differences now 5 years into this “wood to shaft power” as a REAL, and Useable, Now, Today power/energy solut
30/3/2019 · The simulation model was validated using experimental data from gasification of wood pellets in a laboratory-scale downdraft gasifier reported by the author . Experimental Data The equivalence ratio (ER) indicates the oxygen feed during gasification, thus it is a crucial factor affecting the performance of the gasification process.
Downdraft gasification is much like updraft gasification; it involves a similar setup that contains high temperature regions (anywhere around 700-1000°C) that will convert the fuel of the process to syngas. The feed for the process of gasification can be many things, such as coal, pelletized material, wood chips, etc. The main difference between downdraft and updraft gasification is that the
design rules for downdraft wood gasifiers thereafter pass completely through a much hotter zone, viz. the oxidation zone, to minimize tar content. The downstream type of gasifier (together with its variation: the double fired of course) is the only possible in that case. For wood it is indeed the only encountered one, as well for
Downdraft Gasifier Engine Systems SERISP-271-3022 DE88001135 March 1988 UC Categoy.' 245 This handbook has been prepared by the Solar Energy Research Institute under the U.S. Department of Energy Solar Technical Informaion Program. It is intended as a gu
Biomass gasification of hybrid seed Miscanthus in Glasgow's Biomass gasification of hybrid seed Miscanthus in Glasgow's downdraft gasifier testbed system. Overview ; Authors Organisations Prashant Kamble (Author) University of Glasgow. Zakir Khan (Aut ...
1/8/2019 · Gasification of lignite, wood, sawdust briquette and their mixtures are investigated on a 10 kWe laboratory scale downdraft gasifier at atmospheric pressure. The air is used as a gasifying medium. The gasifier was operated on different particle sizes of lignite and lignite-wood ratio; 22–25 mm lignite particle size and lignite – wood ratio (70:30, w/w) were found to be optimum
Three designs are common in wood gasification: updraft, downdraft and crossdraft. In an updraft gasifier, wood enters the gasification chamber from above, falls onto a grate and forms a fuel pile. Air enters from below the grate and flows up through the fuel pile. The syngas, also known as producer gas in biomass circles, exits the top of the chamber. In downdraftor crossdraft gasifiers, the
28/10/2020 · However, in the biomass gasification method using downdraft fixed-bed gasifier, the heating value is within the range of 5.4 MJ/m 3 to 5.7 MJ/m 3 . The generated synthetic gas from the biomass gasification method can also be used in diesel engines, dual-fuel engines, and petrol engines. Moreover, the produced heat in the rice husk, waste plastic, and sawdust gasification process can be used to
Updraft gasifier  18.104.22.168 Downdraft Gasifier In the downdraft gasifier, its upper cylindrical part of gasifier acts as a collection device for wood chips or other biomass fuel and the geometry of the downdraft gasifieris shown in Fig. 3. Below this cylindrical part of gasifier, nearby is a radially directed air nozzle which permits air to be drawn in to chips as they move down to be
1/1/2013 · Furthermore, Zainal et al. used furniture wood and wood chips in a downdraft gasification unit giving results similar to those from the type 1 Miscanthus pellets test. A model by Felipe Pellegrini and De Oliveira  , taking as a base the gasification of sugarcane bagasse, showed slightly higher syngas production and similar CH 4 and CO 2 production in comparison to the type 1 Miscanthus.