High Efficiency Two Stage Coal Gasifier Station
High efficiency Two stage coal gasifier station Two stage coal gasifier thermal decoking coal gas Process flow chart of thermal decoking gas in two-stage coal gasifier generator. Two sections of hot detar gas station processes: upper stage coal gas into the electric filter, its working...
High efficiency Two stage coal gasifier station
Two stage coal gasifier thermal decoking coal gas
Process flow chart of thermal decoking gas in two-stage coal gasifier generator.
Two sections of hot detar gas station processes: upper stage coal gas into the electric filter, its working temperature is between 100-150 ℃. The coal gas tar droplets and dust in the gas are polarized, converging to the tube wall and flowing to the coke can. Under section of coal gas through the ash hopper, remove large particles of dust into the cyclone were again been centrifugal dedusting, after dust removal the temperature is around 500-600 ℃. After mixing the upper and lower sections of the coal gas,through coal gas transmission pipe send into the furnace.
Two stage coal gasifier cold coal gas generator
Two stage coal gasifier producer coal gas divide into the upper coal gas and the lower section coal gas, upper side coal gas firstly into the I electric tar precipitator, and remove heavy tar an dust, its working temperature is between 90-150 ℃, and then enter into the indirect cooler, inside the indirect cooler the gas is cooled to about 35 to 45 ℃. The low part coal gas by the cyclone dust removal, after dust removal the temperature is around 450-450 ℃. Then enters the waste heat exchanger, while cooling coal gas meantime recover the coal gas sensible heat, coal gas temperature down to about 200-230 ℃; Again into the air cooling device cooling, the temperature dropped to 65-80 ℃. Through indirect cooler, by circulating cooling water indirect cooling to 35 to 45 ℃. After the indirect cooling, the upper part of the gas and the lower section of the coal gas are discharged into the secondary electric trap and the light oiler is once again deoiled and dusted. After cooled gas is pressurized by a pressurized machine, which is transported through a gas pipe.
Two stage cold coal gasifier process flow: through thick hot gas generated by the coal gasifier generator (temperature is 500-600 ℃) , first come into the double standpipe been cooling and washing by the hot circulating water cooling, parts of the gas dust discharge from the hot circulation water from the double standpipe button water seal, by double standpipe washing the gas temperature is about 80-90 ℃, via the isolation water seal into Ⅰ electric filter for catching tar and dust, coal gas temperature cooled to 35 to 45 ℃. The isolation water seal grade Ⅱ electric filter further into the oil removing dust removal. Through the pressurization of the gas pressure machine, and after removed by the catcher and transported to the user through the conveying pipe.
Two stage coal gasifier parameter
|furnace area mm||2000||2400||2600||3000||3200||3600|
|Fuel block mm||13-25、25-50|
|Fuel consumption kg/h||800-920||1200-1400||1400-1600||2000-2100||2100-2500||2500-3500|
|coal gas output m³/h||2500-3000||3600-4200||4200-5200||6000-6500||6500-8000||8000-11000|
|coal gas heat value：KJ/ m³||upper||7100-7500||7100-7500||7100-7500||7100-7500||7100-7500||7100-7500|
|coal gas outlet temperature℃||upper||100-150||100-150||100-150||100-150||100-150||100-150|
|Coal gas outlet pressure：KPa||upper||＜1|
|Furnace botton blast pressure：KPa||5-6|
|water jacket steam pressure：KPa||98/294|
|water jacket steam capacity：Kg/h||300||400||450||500||550||650|
|ash pan speed：r/h||2.97||2.3||1.7||1.5||1.5||1.5|
|ash pan transmission power：KW||3.0||4||5.5||5.5||5.5||7.5|
|Hydraulic station power：KW||2.2|
|Probe the steam seal pressure.：KPa||98/294|
Non-binding and weakly bonded bituminous coal, anthracite, coal should meet GB/9143.
|Coal gas output diameter mm||upper||DN250||DN300||DN300||DN400||DN400||DN600|
|Furnace bottom blastpipe diameter||DN250||DN300||DN300||DN400||DN400||DN600|
|Slat discharge form||Wet type, automatic slag discharging|
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