Coal Water Slurry hot water boiler for Kiln  

1.    Brief Introduction of Coal water Slurry Benefit

l   Safe storage and transportation fuel: The presence of water in CWS reduces harmful emissions into the atmosphere and makes the coal explosion-proof. By converting the coal into a liquid form, delivery and dispensing of the fuel can be simplified.

l   Low cost fuel: Because of the relatively low cost of coal when compared to other energy sources, CWS is a very competitive alternative to heating oil and gas. Depending on geographical area the price per unit energy of CWS may be 30% to 70% lower than the equivalent oil or gas.

l   Cost effective and environmental friendly: Low emissions and low BTU cost (Gcal or MWh) make CWS very cost effective and environmental friendly fuel for heat and power generation.

2.   Coal water Slurry Boiler Advantage

l   Environment friendly, energy saving and, high efficiency: coal combustion efficiency reach above 98%., thermal efficiency reach above 85%

l   Wide and simple load adjustment range: load range can adjust from 35% to 100%, economical choice.

l   Covering area Saving: Coal water slurry and coal power transport in airtight canning,  no dust pollution, no need coal storage yard and slag yard, improve the use ratio of land, save 50% land area.

l   Low fuel cost with high intelligent automatic control: save human resource, coal fired boiler need 6-7 worker coal water slurry boiler only need two workers, save fuel beyond 20%. Improve the sanitary condition and alleviate workerlabor

l   Substitute fuel for oil and gas:Coal-water slurry boiler has become an ideal substitute for oil and gas fired steam boiler.

l   Low temperature combustion: Coal water slurry boiler can heat up to and maintain 900°C-1200 °Cin a very little time, which avoid the Incomplete combustion during the low temperature period, also avoid producing the NOx of oil fired boiler  when temperature is above 1300°C

l   Clean flue gas emission: CWS boiler dust emission concentration is about 100mg/Nm3 . which is 1/2 of the national emissionstandard 200 mg/Nm3. ash can be used as material of building and cement after closed dry ash collection system ,

3. SHFS Series (CWS Fluidization System) Feature

l   Stable operation and low emission: Coal-water fluidization system realizes the low temperature combustion; avoid coking, unstable operation, poor security problem of Coal-water atomizer system.

l   High efficiency:cyclic burn cluster of coal-water particle, achieve a high efficient performance.

l   No need for slag remover: fluidization combustion mode blow ash through the flue duct to the dust filter

l   Long life span water coal slurry pelletizer machine: High quality atomization coal water slurry burner can use 1500h-2000h, but fluidization coal water slurry boiler do not need vulnerable and short lifespan burner, which means long life span.

l   Low cost for desulfuration:Use limestone and silica sand as medium material cooperate with low temperature combustion technology realize the direct desulfuration during Coal-water combustion, which is simple structure and low cost.

l   Low consumption for medium material:recycle of limestone increase the use ratio which reduce the supply of limestone and medium material. This system also increases the efficiency.

l   Wide Load Adjustable Range:the boiler can adjust for different type Coal-water fuel and load range can be set 30% to 100%,

l   Low cost and requirement for Coal-water:Wide adaptable for Coal-water fuel reduces the requirement for Coal-water manufacture, which reduce the Coal-water cost.

l   Simple and stable accessory: SHFS series (CWS fluidization system) do not need expensive burner, fault liability CWS atomization gun, complex high pressure air and CWS system, which make the whole system simple and reliable.

l   PLC control system

4.   Application Scope:

Coal-water slurry (CWS) can be used in place of oil and gas in any size of heating and power station. CWS is suitable for existing gas, oil, and coal boilers.

5. Reference photos of the boiler:

 

 

 

 5.Successful cases: