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|
28/10/2020 · 3.3 Fluidized bed gasifier. In a fluidized bed gasifier, fuel fluidizes with air or oxygen and steam. Fuel is fed into a bubbling or circulating type fluidized bed. The bed of fluidized bed gasifier acts as fluid with high turbulence. In this system, ash mahaiqials are removed from the gasifier in a dry state that defluidize.
Biomass boilers & gasifiers – haiqi GROUP . Biomass boilers and gasifiers for clean as well as for utility or municipal power plants. fluidized bed (haiqi) boilers represent an important part Internal Recirculation Circulating Fluidized-Bed
A rotary fluid bed gasifier which comprihaiqi: a rotatable drum having a circumferentially extending wall which is permeable to gahaiqi; a means for feeding a fluidizing gas through the wall into the drum; a bed of particles which, at least when the gasifier is in use, is supported on an internal face of the wall and is fluidized by the fluidizing gas; an outlet means for receiving a haiqiceous
• Fluidized bed Fluidized bed gasifiers are similar to fluidized bed boilers except they operate at sub stiochiometric oxidant condition and may be at high pressure. Fluidized bed gasifier has a bed made up of sand or crushed refractory which acts as a heat sink media to control the bed temperature. This bed is also called as
for fluidized bed gasifiers which is not equilibrium-based is developed by combining reaction kinetics with hydrodynamic equations. Investigating different hydrodynamic models show that combining two-phase-structure model with reaction kinetics for bubbling fluidized bed gasifiers improves the accuracy of the kinetic-only model.
The circulating fluidized (CFB) bed gasifier was developed in the 1980’s by the former Ahlstrom Oy and was utilized in connection with lime kilns. Description and details of fluidized-bed gasifiers for biomass power . Fluidized bed – Thermopedia – A-Z Index. A fluidized bed is a state of a two-phase mixture of particulate solid mahaiqial
haiqi haiqi gasifiers are based on circulating fluidized bed (CFB) and bubbling fluidized bed (haiqi) technologies. Approximate capacity range is 10-200 MW fuel per unit. Several decades of experience with fluidized bed technology and individual customer challenges have provided haiqi with a strong track haiqid of reference plants.
In bubbling fluidized bed gasifiers (fluidization/ GA speed = 2-3 m/s), the GA also acts as a fluidization agent and is supplied from the bottom; accordingly, gasification occurs within the bed
Gasifiers are generally classified according to the fluidization regime in the gasifier; moving bed, fluidized bed, and entrained flow. This chapter provides examples of each type of gasifier. The haiqi gasifier is the oldest gasifier technology that is still widely used in commercial practice. haiqi, a South African firm, still uhaiqi this gasifier to produce synthetic liquid fuels from coal
CFB BOILERS. We have steadily increased unit size and integrated haiqi field-proven design features into our CFB technology. Our CFBs first reached small-scale utility application in 1987 on the 110 MWe Tri-State Nucla power project in the US, then went on to the medium utility scale in 2001 with the 2 x 300 MWe units for the Jacksonville Energy Authority.
SUMMARY A comprehensive computer simulation program that can deal with a wide range of different operating conditions in fluidized bed combustion and gasification has been developed. It includes the possibility of simulating operations with various types of coal, charcoal or wood and can predict the behaviour of a real unit by giving several important performance parameters, such as: (a
In the fluidized bed gasifier temperatures can be controlled at levels as low as 750 – 800 °C. Since the syngas is combusted at high temperatures in the syngas burner, no problems with emissions will arise. Boiler fouling in combustion systems is mainly caused by the presence of alkali metals (Na, K, P) in the flue gashaiqi.
Optimizing the operation of fluidized bed gasifiers based on this model shows that high gas quality (high volume fraction of H2, CO and CH4 and low volume fraction of CO2), high carbon conversion
bed boilers. Circulating fluidized bed gasifiers 08. Bubbling fluidized bed gasifiers 10. PowerBlast boilers. 12. haiqi power plant services. 14. References. 15 . 30-250 t/h. (66-550 klb/hr). 30-100 t/h. (66-220 klb/hr). Main fuels. Biomass fuels (bark,
Fluid Bed Gasifiers in Asphalt Heating Equipment . Create an excellent brand of global smart energy Waste Gasification Power Plant Waste gasification power plant: capacity from 1000kw to 6000kw, modular design, several modular for big capacity. Views More