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|
such as small char particles, ash, tar and oil (Basu 2013). A review of the 50 gasifier manufacturers in Europe, United States, Canada showed that 75% of the designs were downdraft fixed beds while fluidized beds, updraft fixed beds and the other designs
Fluidized-bed gasifiers suspend feedstock particles in an oxygen-rich gas so the resulting bed within the gasifier acts as a fluid. These gasifiers employ back-mixing, and efficiently mix feed coal particles with coal particles already undergoing gasification. To sustain fluidization, or suspension of coal particles within the gasifier, coal of small particles sizes (<6 mm) is normally used
In the present work a co-current open top downdraft gasifier is used, with an 8.5 kW thermal power capacity to fuel an 18 Hp Otto cycle engine coupled to an electric generator. With this apparatus, it was possible to analyze the influence of some properties of the fuel wood particles (size, density, moisture content and so on) on the
22/1/2022 · This work aims to design, build, and commission a downdraft gasifier of 1 MW for electricity purposes. Wood pellets were the feedstock at a feeding rate of 300 kg/hr. A reaction temperature's range
Handbook of Biomass Downdraft Gasifier Engine SystemsA gasifier system includes the gasification reactor itself, along with the auxiliary equipment necessary to handle the solids, Tel: +8615637015613. firstname.lastname@example.org. Home About Products . Biomass G
FIG. 2 is a schematic representation of a variation of the downdraft gasification system connected to a generator configured to convert gas produced by the gasifier to rotational energy and/or electrical power, including the biomass flow path through the gasifier, the char flow path through the gasifier, and the gas flow path through the gasifier.
Answer: Your question is quite vague. Updraft and Downdraft both have advantages and disadvantages over each other. And other factors also need to be known to answer this question, factors such as fuel type, spec of fuel, application of the gas, etc.
In this work, an experimental study of the thermal decomposition of mixtures of wood particles and high density polyethylene in different atmospheres has been carried out in a downdraft gasifier with a nominal processing capacity of 50 kg/h. The main objective was to study the feasibility of the operation of the gasification plant using mixtures
Gasification is a thermo-chemical process by which carbonaceous (hydrocarbon) materials (coal, petroleum coke, biomass, etc.) can be converted to a synthesis gas (syngas) or producer gas by means of partial oxidation with air, oxygen, and/or steam. The device which performs this work is known as gasifier. Gasifier is a chemical reactor where
Downdraft Gasifier. In a downdraft gasifier the fuel is loaded at the top and a fire is lit in the bottom. A suction blower draws in air either through an air jacket or down through the top. The incoming air allows partial combustion to take place in the lower hearth area. The heat from that combustion produces pyrolysis above and reduction below.
Home » News » Hydrogen Production » Philippine Downdraft Fixed Bed Gasifier. Products list Biomass Gasifier Container Distributed Power Plant Semi-Gasification Biomass Burner Contact us TEL: 8615637015613. WhatsApp: 8615637015613. E-MAIL: info@haiqima
US20170275543A1 - Downdraft Fixed-Bed Gasifier for Producing aDowndraft Fixed-Bed Gasifier for Producing a Product Gas from Pourable Biomass Particles Download PDF Info gasifier Tel: +8615637015613 email@example.com
Jun 01, 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
Ultimate test for Producer Gas Doug Williams, Fluidyne Gasification, New Zealand, August 5, 2007. Gasification Colleagues, Since I began working with producer gas in 1976, the question of it's quality, and how to measure it in a way that clarifies it's purity, has never in my mind, been answered by gas analysis.
OSTI.GOV Journal Article: Downdraft channel gasifier operation and particulate emissions. Downdraft channel gasifier operation and particulate emissions