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Steam Generators/Steam Boilers

Coal Water Slurry Fuel(CWSF) Steam Boilers-Automization Type

Coal water slurry fuel (CWSF or CWS or CWF) is a fuel which consists of fine coal particles suspended in water.resence of water in CWS reduces harmful emissions into the atmospher ...
Product Details


Coal water slurry fuel (CWSF or CWS or CWF) is a fuel which consists of fine coal particles suspended in water.resence of water in CWS reduces harmful emissions into the atmosphere, makes the coal explosion-proof, makes use of coal equivalent to use of liquid fueland gives other benefits.  CWS consists of 55-70% of fine dispersed coal particles and 30-45% of water. Coal particles suitable for diesel fuel replacement typically need to be less than 20 micrometres in diameter.

Coal water slurry boiler can fire coal water slurry fuel in automization combustion way. In this way , we can change coal into clean and liquid energy, it is easy for automatic control and improve the efficiency of boiler.

Advantage Feature of Coal Water Slurry Steam Boilers

  1. Environment friendly, energy saving and, high efficiency: coal combustion efficiency reach above 98%., thermal efficiency reach above 85%
  2. Wide and simple load adjustment range: load range can adjust from 35% to 100%, economical choice.
  3. 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.
  4. Low fuel cost with high intelligent automatic control: save human resource, coal fired boiler need 6-7 worker coal-water only need two workers, save fuel beyond 20%. Improve the sanitary condition and alleviate worker labor. Coal water slurry boiler has become an ideal substitute for oil and gas fired steam boiler.
  5. Low temperature combustion: Coal water boiler can heat up to and maintain 900℃-1200 ℃ in 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℃
  6. Clean flue gas emission:CWS boiler dust emission concentration is about 100mg/Nm3 . which is 1/2 of the national emission standard 200 mg/Nm3. ash can be used as material of building and cement after closed dry ash collection system.

Boiler Combustion System

General Drawing of Coal Water Slurry  Steam Boilers


Parameter Table of Coal Water Slurry Steam Boilers

Model SZS2-1.25-J SZS4-1.25-J SZS6-1.25-J SZS10-1.25-J
Rated Output t/h 2 4 6 10
Rated Working Pressure Mpa 1.25 1.25 1.25 1.25
Steam Temperature °C Saturated Saturated Saturated Saturated
Combustion Mode chamber
Applicable  Fuel Coal-water, Heavy oil, Diesel oil
 Fuel  Consumption kg/h 299 696 897 1486
Boiler Heating Area m2 107 145 208 245
Economizer m2 18.2 60.3 72.4 115
Heating Area
Exhaust Gas Temperature °C 162 166 163 166
Efficiency % 86 85.8 85.9 85.3
Transportation Weight t 23 31.5 35.5 45
Transportation Size mm 5560*2800*3540 6300*3100*3540 7100*3400*3540 8700*3800*3600


Company Profile

Romiter Group concentrating on supply high efficient and high intelligent boiler for customer. Main products include wood pellet hot water boilers, wood pellet steam boiler, wood pellet burner, coal fired thermal oil heater, diesel oil fired thermal oil heaters, biomass steam generator(wood dust, corncob, bagasse, rice husk, palm kernel shell), coal fired hot air generator, wood pellet hot air furnace, electric steam generator, coal fired steam generator, coal water slurry steam generator, diesel oil or gas steam generator, thermal oil steam generators, heat recovery steam generator (HRSG).

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