CN202744502U

CN202744502U - Totally-air-cooling gas generator

Info

Publication number: CN202744502U
Application number: CN2012202767438U
Authority: CN
Inventors: 袁琳
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-06-13
Filing date: 2012-06-13
Publication date: 2013-02-20
Anticipated expiration: 2022-06-13

Abstract

The utility model relates to a gas generator, in particular to a totally-air-cooling gas generator. The totally-air-cooling gas generator is characterized in that a lower-section gas outlet of a double-section type gas generation furnace is connected with a cyclone dust collector and a gas inlet of a lower-section gas heat exchanger; a gas outlet of the lower-section gas heat exchanger is connected with a gas inlet of an electric-capturing light oil device; a gas outlet of the electric-capturing light oil device is connected with gas inlets of a gas pressurizing fan and a final cold-heat exchanger, and a cold-air inlet of the final cold-heat exchanger is connected with an axial-flow fan; the lower part of the double-section type gas generation furnace is provided with a furnace-bottom water seal of the gas generation furnace; and an air-inlet air pipe of a furnace-bottom water seal of the gas generating furnace is connected with a phenol-water steam outlet of a phenol-water evaporator, and a steam collecting bag is connected with a steam inlet of the phenol-water evaporator and a water jacket of the double-section type gas generation furnace. The totally-air-cooling gas generator has the advantages that the heat of gas is recycled, the hydrogen content of the gas is increased, the combustion value of the gas is improved, the coal consumption is reduced, no phenol water is discharged, the pollution is furthest reduced and the like.

Description

A kind of full blast cooled coal gas producer

Technical field

The utility model relates to a kind of coal-gas producer, refers more particularly to a kind of full blast cooled coal gas producer.

Background technology

The producer gas generator that uses in the industrial production now can be divided into unistage type producer gas generator and two section type producer gas generator according to structure formation, can be divided into again Hot Coal Gas Generator and cooled coal gas producer according to gas outlet temperature.The coal gas process of cooling of existing cooled coal gas producer, to be finished by the washing cooling by the washing tower of two vertical tubes and back at the unistage type producer gas generator, the two section type producer gas generator then is to finish temperature-fall period by the inter cooler of air cooler and back, the problem that this dual mode exists is to produce a large amount of phenol water in producing on the one hand to cause environmental pollution, exporting on the other hand a large amount of heat energy that coal gas takes out of is wasted, and arranging of circulating water pool increased investment on the one hand, floor space is strengthened, and the recirculated water that contacts with coal gas also can be taken partly soluble coal gas out of and scatters and disappears and cause waste and pollute in air, forms even to poison and the potential safety hazards such as blast.

Publication number is 101613626, open day is the Chinese patent on December 30th, 2009, a kind of technique of production cooled coal gas of no discharge of phenolic water is disclosed, this patent adopts coal gas cooling and phenol water to evaporate the mode of combination, solve phenol water recycling, and the cooling of coal gas, but this patent adopts the mode of inter cooler to lower the temperature, compare with this patent, the utility model can obtain the lower coal gas of temperature in addition without inter cooler, and the cold mode of full blast, can obtain the higher hot steam of temperature, improve the hydrogen richness of unit coal gas, improve caloric power of gas.

Publication number is 101381630, open day is the Chinese patent on March 11st, 2009, a kind of phenol water is disclosed from the cooled coal gas production technique of processing, this utility model adopts the mode that the phenol water evaporimeter is set between tornado dust collector and inter cooler, process phenol water, the defective that this design exists is, because being present in coal gas, the generation of phenol water produces, arrives all processes that uses, therefore this phenol water evaporimeter can't be processed whole phenol water, also cause easily environmental pollution, this utility model also can't improve gas quality on the other hand.

The utility model content

The technical problem that the utility model solves provides a kind of can the waste in a large number by the traditional producer gas generator heat of customer service, and phenol water such as can't process at the full blast sectional cooled coal gas generation device of problem.

For addressing the above problem, the utility model adopts following technical scheme:

A kind of full blast cooled coal gas producer, comprise the two section type producer gas generator, tornado dust collector, electrical tar precipitator, electric fishing light oil device, plenum chamber, the gas furnace gas blower, the phenol water evaporimeter, it is characterized in that, also comprise the hypomere gas change heater, gas pressure blower, whole cool-heat-exchanger, aerofoil fan, hypomere gas exit and the tornado dust collector of two section type producer gas generator, the gas inlet of hypomere gas change heater connects, the gas exit of hypomere gas change heater is connected with the gas inlet of electric fishing light oil device, gas exit and the gas pressure blower of electric fishing light oil device, the gas inlet of whole cool-heat-exchanger connects, and the cold wind import of whole cool-heat-exchanger is connected with aerofoil fan; Two section type producer gas generator bottom is provided with the coal gas producer furnace bottom water seal; The air intake tracheae of coal gas producer furnace bottom water seal is connected with phenol water evaporimeter phenol steam outlet, and plenum chamber is connected with the steam inlet of phenol water evaporimeter, and the water jacket of two section type producer gas generator is connected with plenum chamber.

Described two section type producer gas generator also arranges fire exploring hole, and fire exploring hole is tilting, is positioned at the middle part of two section type producer gas generator.

Water jacket on the described two section type producer gas generator is positioned at two section type producer gas generator bottom.

The middle part of described two section type producer gas generator also is provided with hypomere coal gas subregion plate, and hypomere coal gas subregion plate top is provided with the gas flow variable valve.

The bottom of described two section type producer gas generator also is provided with the body of heater rolling support, and the body of heater rolling support comprises on ball, the ball raceway under raceway, the ball, and ball places on the ball under the raceway and ball between the raceway, and raceway is fixedly connected with the basis under the ball.

Be provided with upper tubesheet I and lower tubesheet I in the described electrical tar precipitator housing, electrode tube I is connected with upper tubesheet I, lower tubesheet I welding process, also is provided with traverse baffle I in the electrical tar precipitator housing.

Be provided with upper tubesheet II and lower tubesheet II in the housing of described electric fishing light oil device, electrode tube II is connected with upper tubesheet II, lower tubesheet II welding process, also is provided with traverse baffle II in the housing of electric fishing light oil device.

Be provided with the spirrillum heating coil in the described phenol water evaporimeter.

Described coal gas producer furnace bottom water seal is provided with insulation outer tube, air intake tracheae, is provided with the insulation filler between insulation outer tube and the air intake tracheae.

Advantage of the present utility model is: traditional gas furnace is to control the working point by the temperature that measurement enters the gas mixture of the air of gas furnace bottom and steam, with respect to air themperature, this value is an increasing amount, and range is less, the design's gas furnace system is after steam adds, with respect to air themperature, mixture temperature is a reduction, the temperature range is larger, can be by measuring this temperature head or controlling the working point of gas furnace by the control steam flow, owing to enter the mixed gas temperature of gas furnace far above traditional gas furnace, for keeping the normal of stove internal oxidation layer temperature, the quantity of steam that needs also will far above traditional gas furnace, so hydrogen content will strengthen along with the increase of input quantity of steam in the design's gas furnace institute producing coal gas, thereby improve heat value greatly.

Tradition gas furnace blast volume and output coal gas volume ratio are about about 1: 1.4, and the design's gas furnace blast volume and output coal gas volume ratio reach about 1: 2, because the minimizing of blast volume, through behind the stage-by-stage heat exchange, the gas temperature of a little higher than traditional gas furnace output of temperature meeting behind the coal gas arrival gas pressure blower, so increase the heat exchange of the rear coal gas of one-level pressurization, reduce through the coal gas volume that purifies after pressurizeing, thereby heat transfer effect is before pressurization, so further cooling through whole cool-heat-exchanger, can obtain the gas temperature lower than tradition, gas temperature can change along with ambient air temp, be more conducive to when envrionment temperature reduces to reduce water content in the coal gas, traditional gas furnace adopts water cycle to reduce gas temperature, water after the air heat radiation again with the coal gas heat exchange, the existence of a large amount of recirculated waters, gas temperature can not in time be changed with ambient air temp, will cause coal gas when pipeline is carried, to separate out more water of condensation, and then affect the use of client terminal coal gas.

The utility model can be realized the coal gas heat recovery and utilization, to improve the hydrogen content of coal gas, improves the fuel value of coal gas, thereby reduces coal consumption, and the utility model has also been realized self utilizing of phenol water, has reduced to the full extent the advantages such as pollution.

Description of drawings

Fig. 1 is connection diagram of the present utility model;

Fig. 2 is two section type producer gas generator structural representation of the present utility model;

Fig. 3 is electrical tar precipitator structural representation of the present utility model;

Fig. 4 is electric fishing light oil device structural representation of the present utility model;

Fig. 5 is hypomere gas change heater structural representation of the present utility model;

Fig. 6 is whole cool-heat-exchanger structural representation of the present utility model;

Fig. 7 is phenol water evaporimeter structural representation of the present utility model;

Fig. 8 is furnace bottom sealing structure for water synoptic diagram of the present utility model;

Fig. 9 is body of heater rolling supporting structure synoptic diagram of the present utility model.

Among the figure, 1 two section type producer gas generator, 2 electrical tar precipitators, 3 electric fishing light oil devices, 4 hypomere gas change heaters, 5 whole cool-heat-exchangers, 6 phenol water evaporimeters, 7 body of heater rolling supports, 8 coal gas producer furnace bottom water seals, 9 tornado dust collector, 10 gas pressure blowers, 11 gas furnace gas blowers, 12 aerofoil fans, 13 plenum chambers, the import of 1-1 coal, the outlet of 1-2 gas in upper segment, 1-3 hypomere gas exit, 1-4 hypomere coal gas subregion plate, the 1-5 water jacket, 1-6 fire exploring hole, 1-7 ash pan, 1-8 ash pan rotary fluted disc, 1-9 undergrate blast case, 1-10 pipe core, 1-11 gas flow variable valve, 2-1 gas exit I, 2-2 gas inlet I, 2-3 upper tubesheet I, 2-4 lower tubesheet I, 2-5 electrode tube I, 2-6 cooling air outlet I, 2-7 cooling air import I, 2-8 coal tar outlet I, 2-9 traverse baffle I, 3-1 gas exit II, 3-2 gas inlet II, 3-3 upper tubesheet II, 3-4 lower tubesheet II, 3-5 electrode tube II, 3-6 cooling air outlet II, 3-7 cooling air import II, 3-8 coal tar outlet II, 3-9 traverse baffle II, 4-1 gas inlet, 4-2 gas exit, the 4-3 blast inlet, 4-4 air blast outlet, 4-5 heat transfer tube, the 4-6 traverse baffle, 4-7 syphon trap, 5-1 gas inlet, the 5-2 gas exit, the import of 5-3 cold wind, the outlet of 5-4 cold wind, the hot replace tubes of 5-5, the 5-6 traverse baffle, 6-1 phenol water inlet, 6-2 phenol steam outlet, 6-3 steam inlet, the 6-4 condensation-water drain, the 6-5 heating coil, 6-6 water level gauge, 7-1 ball, raceway on the 7-2 ball, raceway under the 7-3 ball, 8-1 is incubated outer tube, 8-2 air intake tracheae, 8-3 is incubated filler, 8-4 tapered tube.

Embodiment

Such as Fig. 1,2,3,4,5,6,7,8, shown in 9, the utility model is a kind of full blast cooled coal gas producer, comprise two section type producer gas generator 1, tornado dust collector 9, electrical tar precipitator 2, electric fishing light oil device 3, plenum chamber 13, also comprise hypomere gas change heater 4, gas pressure blower 10, whole cool-heat-exchanger 5, aerofoil fan 12, gas furnace gas blower 11, phenol water evaporimeter 6, the hypomere gas exit 1-3 of two section type producer gas generator 1 and tornado dust collector 9, the gas inlet 4-1 of hypomere gas change heater 4 connects, the gas exit 4-2 of hypomere gas change heater 4 is connected with the gas inlet II3-1 of electric fishing light oil device 3, the gas exit II3-2 of electric fishing light oil device 3 and gas pressure blower 10, the gas inlet 5-1 of whole cool-heat-exchanger 5 connects, and the cold wind import 5-2 of whole cool-heat-exchanger 5 is connected with aerofoil fan 12; Two section type producer gas generator 1 bottom is provided with coal gas producer furnace bottom water seal 8; The air intake tracheae 8-2 of coal gas producer furnace bottom water seal 8 is connected with phenol water evaporimeter 6 phenol steam outlet 6-2, and plenum chamber 13 is connected with the steam inlet 6-1 of phenol water evaporimeter 6, and the water jacket 1-5 of two section type producer gas generator 1 is connected with plenum chamber 13.

Shown in Fig. 2,9, water jacket 1-5, fire exploring hole 1-6 also are set on the two section type producer gas generator 1, water jacket 1-5 is arranged at two section type producer gas generator 1 bottom, fire exploring hole 1-6 is tilting, be positioned at the middle part of two section type producer gas generator 1, the middle part of described two section type producer gas generator 1 also is provided with hypomere coal gas subregion plate 1-4, and hypomere coal gas subregion plate 1-4 top is provided with gas flow variable valve 1-11 and is used for regulating gas flow.The bottom of two section type producer gas generator 1 is provided with ash pan 1-7, ash pan 1-7 bottom is provided with ash pan rotary fluted disc 1-8, ash pan rotary fluted disc 1-8 bottom arranges body of heater rolling support 7, the body of heater rolling support comprises ball 7-1, raceway 7-2 on the ball, raceway 7-3 under the ball, raceway 7-2 is fixed on the ash pan 1-7 on the ball, ball 7-1 places on the ball under the raceway 7-2 and ball between the raceway 7-3, and raceway 7-3 is fixedly connected with the basis under the ball.

Hypomere gas change heater 4 as shown in Figure 3 comprises gas inlet 4-1, gas exit 4-2, blast inlet 4-3, air blast outlet 4-4, heat transfer tube 4-5, traverse baffle 4-6,4-7 syphon trap, gas exit 4-2 is positioned at the bottom of hypomere gas change heater 4, gas inlet 4-1 is positioned at the top of hypomere gas change heater 4, hypomere gas change heater inside is provided with traverse baffle 4-6 and heat transfer tube 4-5, the bottom of hypomere gas change heater 4 also is provided with syphon trap 4-7, is used for water seal.

Be provided with as shown in Figure 4 gas exit I2-1, gas inlet I2-2, cooling air outlet I2-6, cooling air import I2-7, coal tar outlet I2-8, upper tubesheet I2-3 in the housing of electrical tar precipitator 2, lower tubesheet I2-4, electrode tube I2-5 are connected with upper tubesheet I2-3, lower tubesheet I2-4 welding process, also are provided with traverse baffle I2-9 in the housing.

Be provided with as shown in Figure 5 gas exit II3-1, gas inlet II3-2, cooling air outlet II3-6, cooling air import II3-7, coal tar outlet II3-8, upper tubesheet II3-3 in electric fishing light oil device 3 housings, lower tubesheet II3-4, electrode tube II3-5 are connected with upper tubesheet II3-3, lower tubesheet II3-4 welding process, also are provided with traverse baffle 3-9 in the housing.

Whole cool-heat-exchanger 5 structurally comprises gas inlet 5-1, gas exit 5-2, cold wind import 5-3, cold wind outlet 5-4, heat transfer tube 5-5, traverse baffle 5-6, phenol water out 5-7 as shown in Figure 6.

Phenol water evaporimeter 6 structurally comprises phenol water inlet 6-1, phenol steam outlet 6-2, steam inlet 6-3, condensation-water drain 6-4, spirrillum heating coil 6-5 as shown in Figure 7, and water level gauge 6-6 is used for checking phenol water evaporimeter 6 interior water of condensation.

Coal gas producer furnace bottom water seal 8 structures are provided with insulation outer tube 8-1 as shown in Figure 8, air intake tracheae 8-2, insulation filler 8-3, tapered tube 8-4, be provided with insulation filler 8-3 between insulation outer tube 8-1 and the air intake tracheae 8-2, tapered tube 8-4 is used for preventing that slag falls in the water seal in the stove, and air intake tracheae 8-2 is connected with undergrate blast case 1-9.

Technological process of the present utility model is, add coal from coal import 1-1, coal produces gas in upper segment and hypomere coal gas at two section type producer gas generator 1 internal reaction, gas in upper segment exports 1-2 by gas in upper segment, gas inlet I2-2 enters in the electrical tar precipitator 2, change air flow line with the cold wind that enters from cooling air import I2-7 by traverse baffle I2-9 simultaneously and come heat exchange, and by electrode tube I2-5 behind high voltage electrostatic tar removing from gas exit I2-1 output coal gas, from cooling air outlet I2-6 output, the tar of removing was discharged by coal tar outlet I2-8 after cold wind heated up through heat exchange; Hypomere coal gas is through pipe core 1-10, hypomere gas exit 1-3 enters tornado dust collector 9 interior dedustings, then entering in the hypomere gas change heater 4 by gas inlet 4-1, cold wind enters in the hypomere gas change heater 4 through blast inlet 4-3, change air flow line by traverse baffle 4-6 again, by exporting from air blast outlet 4-4 after heat transfer tube 4-5 and the coal gas heat exchange, hypomere coal gas is exported from gas exit 4-2 through after the heat exchange, enter in the electric fishing light oil device 3 by gas inlet II3-2 with gas in upper segment junction after the output, simultaneously change nyctitropic cold wind heat exchange with the traverse baffle II3-9 that passes through that enters from cooling air import II3-7, and by the II3-5 electrode tube behind high voltage electrostatic tar removing from gas exit II3-1 output coal gas, from cooling air outlet II3-6 output, the tar of removing was discharged by coal tar outlet II3-8 after cold wind heated up through heat exchange; Enter gas pressure blower 10 interior pressurizations from the coal gas of electric fishing light oil device 3 interior outputs, then enter in the whole cool-heat-exchanger 5 by gas inlet 5-1, again with from aerofoil fan 12 input pass through that cold wind import 5-3 enters and change nyctitropic cold wind by traverse baffle 5-6 export from gas exit 5-2 after through heat transfer tube 5-5 heat exchange, then coal gas is supplied with user's use, cold wind after the heat exchange is got rid of through cold wind outlet 5-4, the cold wind of getting rid of directly is discharged in the air when weather temperature is high, when northern weather temperature is low cold wind being exported 5-4 is communicated with gas furnace gas blower 11, to there be the air of certain temperature to be delivered directly in the gas furnace gas blower 11, exchanging air as gazogene is used, because under the extremely cold condition in the north, electric fishing light oil device 3 needs the air of certain temperature, just can make the coal tar in the electric fishing light oil device 3 be unlikely to cryocoagulation, and cause stopping production.

Gas furnace gas blower 11 is blown into air and enters by cooling air import II3-7 that electric fishing light oil device 3 is interior lowers the temperature to coal gas, then in cooling air outlet II3-6, discharge, enter through cooling air import I2-7 that electrical tar precipitator 2 is interior lowers the temperature to coal gas, then in cooling air outlet I2-6, discharge, enter through blast inlet 4-3 again that hypomere gas change heater 4 is interior lowers the temperature to coal gas, then by air blast outlet 4-4 discharge add warm air at this moment temperature be about 250-450 ℃ and mix with the about 120 ℃ saturated steam of the interior temperature of plenum chamber 13, saturated steam becomes undersaturated condition after mixing, enter in the two section type producer gas generator 1 from coal gas producer furnace bottom water seal 8 and react with coal.

Phenol water enters in the phenol water evaporimeter 6 by phenol water inlet 6-1, with also entering in the phenol water evaporimeter 6 from plenum chamber 13 hot steam through steam inlet 6-3 out, after hot steam process heating coil 6-5 and phenol water carry out heat exchange, phenol water becomes the phenol water vapor, the phenol water vapor is discharged in phenol steam outlet 6-2, enter undergrate blast case 1-9, enter in the two section type producer gas generator 1, hot steam is discharged through the solidifying water out 6-4 of order at the water of condensation that becomes through heat exchange, and phenol water evaporimeter 6 also is provided with the water level gauge 6-6 that checks cold water water water level.

Claims

1. full blast cooled coal gas producer, comprise the two section type producer gas generator, tornado dust collector, electrical tar precipitator, electric fishing light oil device, plenum chamber, the gas furnace gas blower, the phenol water evaporimeter, it is characterized in that, also comprise the hypomere gas change heater, gas pressure blower, whole cool-heat-exchanger, aerofoil fan, hypomere gas exit and the tornado dust collector of two section type producer gas generator, the gas inlet of hypomere gas change heater connects, the gas exit of hypomere gas change heater is connected with the gas inlet of electric fishing light oil device, gas exit and the gas pressure blower of electric fishing light oil device, the gas inlet of whole cool-heat-exchanger connects, and the cold wind import of whole cool-heat-exchanger is connected with aerofoil fan; Two section type producer gas generator bottom is provided with the coal gas producer furnace bottom water seal; The air intake tracheae of coal gas producer furnace bottom water seal is connected with phenol water evaporimeter phenol steam outlet, and plenum chamber is connected with the steam inlet of phenol water evaporimeter, and the water jacket of two section type producer gas generator is connected with plenum chamber.

2. a kind of full blast cooled coal gas producer according to claim 1 is characterized in that described two section type producer gas generator also arranges fire exploring hole, and fire exploring hole is tilting, is positioned at the middle part of two section type producer gas generator.

3. a kind of full blast cooled coal gas producer according to claim 1 is characterized in that the water jacket on the described two section type producer gas generator is positioned at two section type producer gas generator bottom.

4. a kind of full blast cooled coal gas producer according to claim 1 is characterized in that, the middle part of described two section type producer gas generator also is provided with hypomere coal gas subregion plate, and hypomere coal gas subregion plate top is provided with the gas flow variable valve.

5. a kind of full blast cooled coal gas producer according to claim 1, it is characterized in that, the bottom of described two section type producer gas generator also is provided with the body of heater rolling support, the body of heater rolling support comprises on ball, the ball raceway under raceway, the ball, ball places on the ball under the raceway and ball between the raceway, and raceway is fixedly connected with the basis under the ball.

6. a kind of full blast cooled coal gas producer according to claim 1, it is characterized in that, be provided with upper tubesheet I and lower tubesheet I in the described electrical tar precipitator housing, electrode tube I is connected with upper tubesheet I, lower tubesheet I welding process, also is provided with traverse baffle I in the electrical tar precipitator housing.

7. a kind of full blast cooled coal gas producer according to claim 1, it is characterized in that, be provided with upper tubesheet II and lower tubesheet II in the housing of described electric fishing light oil device, electrode tube II is connected with upper tubesheet II, lower tubesheet II welding process, also is provided with traverse baffle II in the housing of electric fishing light oil device.

8. a kind of full blast cooled coal gas producer according to claim 1 is characterized in that, is provided with the spirrillum heating coil in the described phenol water evaporimeter.

9. a kind of full blast cooled coal gas producer according to claim 1 is characterized in that, described coal gas producer furnace bottom water seal is provided with insulation outer tube, air intake tracheae, is provided with the insulation filler between insulation outer tube and the air intake tracheae.