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Coal Gasifier

Coal Gasifier

Introduction:Coal Gasifier designed by Hongji is advanced equipment for producing mixed gas with water and steam as gasifying agent. This machine is applicable for gasifying fuel like coking coal or coke. Coal Gasifier is widely used as heating furnace in mechanical metallurgy, chemical, glass, construction, light industry, food and textile industry.

Coal Gasifier Overview

Coal Gasifier designed by Hongji is advanced equipment for producing mixed gas with water and steam as gasifying agent. This machine is applicable for gasifying fuel like coking coal or coke. Coal Gasifier is widely used as heating furnace in mechanical metallurgy, chemical, glass, construction, light industry, food and textile industry.

Coal gasifiers using coal or coke, carbon material as fuel, air and water vapor are mixing for gasification agent in a gasification process.Using the automatic coal feeding, automatic slagging, the unique pagoda type heat-resisting cast steel grate,which has powerful broken slag, slag loosening, breathable function. No smoke in the burning process,concentration of sulfur dioxide and soot emissions are in line with environmental standard GB9078-1996.Many coal gasifier advantages,such as,Reasonable gas gasification,simple design,lower investment,safe and convenient operation,simple operation and maintenance,which are well received by customers praise,this is my company launched a new area of intelligent and efficient energy-saving environmental protection products.


Coal Gasifier product features

1.The gasifier equipe the bucket to left coal, double bell jar feeding mechanism, and better the sealing effect, its adjustable pocket flap and conical coal unit can be used combinable, coal distribution uniformity,

2.Basically same thickness in cross-section fuel, so as to improve coal gasification efficiency, put an end to occur the flaming phenomenon of partial furnace.

3.The furnace adopts full water jacket, self-produced steam, not outside for steam, pressure stability, favorable gasification in hearth, good cooling effect in furnace, water jacket inner sleeve deformation.

3.Double bell coal feeder bring better sealing;


4.Wet rotary ash disk system adopt a tower type pyramid pentagonal grate,material is made by the steels casting.Design of small ash knife push slag, which add the mechanism of slag,broken slag structure,which enable uniform distribution and operation of gasifying agent.the material layer in the distribution is relatively stable, in the best gas state, and reduce the carbon content of slag, to solve the traditional gasification furnace in order to prevent coking frequent tie brazing, throw the problem of fire;this structure can make the agency distribution uniformity,current operation uniform slag,furnace is relatively stable the best state of gas,reduce the carbon content of slag, and have solved the traditional gasifier in order to prevent coking frequent fire drill and flaming out.

5.With isolation of water seal dust catcher, during the outage boiler stop, which can improve water closed height, cut off the gas generator and thermoelectrical furnace between gas and make sure have no pressure, put an end to happen the tempering explosion.

6.With refractory concrete roof insulation,cooling water saving.

7.Use the special burner, this gas furnace are based on different specifications, different using conditions, equipped with a special "ejector type" burner, which can bring some usages, such as sufficient fuel combustion, stable operation, long life and other characteristics;

Coal Gasifier working principle

Solid fuel can be gasified into combustible gas with vapour medium. Because the vapour medium is mixture, the output is mixed combustible gas which is called mixed gas. Hot gas produced after primary dust removal is conveyed to gas heating furnace nozzle and erupts firing, with the oxygen supply of hot air conveyed from hot air pipe around the furnace, which generated high temperature to heat the furnace and reach the furnace's required heat value. The temperature is very even because the innar fuel is gas. This furnace is widely used as different types with certain temperature range including steel rolling furnace, annealing furnace, forging furnace, steel pipe furnace, glass furnace, aluminum melting furnace, copper furnace, ceramic furnace, etc.

Technical parameters of coal gasifier

Name Unit Gasifier Model
QM0.8 QM1.0 QM1.2 QM1.5 QM1.6 QM1.8 QM2.0 QM2.4 QM2.6 QM3.0
Hearth diameter mm 800 1000 1200 1500 1600 1800 2000 2400 2600 3000
Valid hearth area
m2
0.5 0.785 1.13 1.77 2.01 2.54 3.14 4.52 5.31 7.07
Applicable fuel Weak viscosity carbon black, smokeless carbon, coke
Fuel size mm 25-80
Fuel consumption kg/h 40-100 70-140 120-190 160-350 350-460 500-600 500-720 700-1040 850-1200 1700-2000
Gasifying agent air, vapour
Gas capacity
Nm3/h 140-350 245-490 420-670 560-1200 1200-1600 1500-2100 1750-2500 2500-3600 3000-4300 6000-7000
Gas heat value Kj/N m3 5020-5670 5020-6000
Water jaket heating area m2 4.02 5.02 6.78 10..37 11..06 12.44 17..58 21..87 23..69 30..16
Steam capacity kg/h 60 80 130 200 220 260 350 420 600 840
Gas outlet temperature degree 400-500(related with the coal) 400-500(related with the coal)
Gas outlet pressure Pa <1000 <980-1470 <1470-1960
Gas outlet diameter mm 219 325 325 426 426 529 630 720 820 1020
Air pessure Pa <3000 <4000
Saturated air temperature degree 50-60 50-65
Ash pan rotation speed r/h 0.177-1.77   
Gross weight T 3.5 4.5 5 7.5 10 20 23..4 29..8 32 37..6
Total power Kw <6 <6 <6 <7 <8 <10 <14 <20 <20 <27
Air inlet diameter mm 108 108 140 165 219 325 325 426 426 426

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