CN200955046Y

CN200955046Y - Normal-pressure waist-drum type lignite gasifying oven

Info

Publication number: CN200955046Y
Application number: CN 200620022472
Authority: CN
Inventors: 吴本固
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-10-26
Filing date: 2006-10-26
Publication date: 2007-10-03
Anticipated expiration: 2016-10-26

Abstract

The utility model relates to an atmospheric drum lignite gasification furnace whose furnace wall of the furnace body is a double water jacket structure. The middle lower part of the outer wall of the furnace is provided with a ring-type drum wind barn which is connected with a blower air duct and the wind barn is provided with a double air inlet pipe communicated with the internal of the furnace; a filter dust separation and desulfation that is positioned at the upper part of the ring drum wind barn is connected with the internal of the furnace by a crude gas outlet; the top of the furnace body is provided with a steam atomizer communicated with the double water jacket and a flue gas dust remover communicated with the internal of the furnace; the inlet of the steam atomizer is communicated with the blower air duct. The gasification furnace of the utility model adopts the gasification agent mixed by air and steam. The calorific value of the crude gas is higher than air producer gas, while burning in the furnace the temperature reaches about 1200 Celsius degrees, the flame is about 1 meter high and the color of the flame changes gradually from orange and red into blue and white, thereby increasing the gasification efficiency of the coal up to 89%, and improving the labor condition and environmental health.

Description

The dolioform brown coal hydrogasification stove of normal pressure

Technical field:

The utility model relates to vapourizing furnace, the dolioform brown coal hydrogasification stove of particularly a kind of normal pressure.

Background technology:

The rich coal resources of China southwest, especially brown coal output is bigger, directly uses the native kitchen range can not perfect combustion, and the smog of generation is big, and the calorific value utilising efficiency is low, only is 30～40%, and contaminate environment, uses diesel oil and liquefied gas cost too high again.

Summary of the invention:

Deficiency at above-mentioned prior art existence, the utility model provides a kind of normal pressure dolioform brown coal hydrogasification stove, it comprises body of heater, filter cylinder dust-removing desulfurating apparatus, water vapour spraying gun and several parts of fume dust remover, the import of coalingging of body of heater top, the rotary fire grate that is contained in the burner hearth lower end is arranged at the bottom, the cinder tank of taking grey cinder notch out of is arranged below the fire grate, it is characterized in that: the hearth wall of body of heater is double-deck water jacket structure, be fixed with an annular waist drum wind storehouse that links to each other with the gas blower airduct in the middle and lower part of furnace body outer wall, arrange double-deck blast pipe in the wind storehouse with the burner hearth internal communication; The filter cylinder dust-removing desulfurating apparatus that is positioned at top, annular waist drum wind storehouse is by raw gas outlet and burner hearth internal communication; Water vapour spraying gun that is communicated with double-deck water jacket and the fume dust remover that is communicated with burner hearth inside are arranged on the body of heater top, and the outlet of water vapour spraying gun is communicated to the gas blower airduct through conduit.

Entrance of cooling water is equipped with on described water jacket top, and the middle part is provided with the boiling water outlet, and sewage draining exit is arranged at the bottom.

There is gas relief valve described filter cylinder dust-removing desulfurating apparatus upper end and purifies gas exit, and there is the tar sewage draining exit lower end, purifies gas exit and is connected to kitchen range through pipeline.

The sidewall of described furnace body wall has porthole.

The vapourizing furnace that the utility model provides, the vaporized chemical that adopts is air and mixture of steam, the raw gas calorific value that obtains is higher than air-producer gas, when burning in kitchen range, about temperature was spent up to 1200, the length of flame reached about 1 meter, the color of flame becomes blue white gradually by orange, improve coal gasification efficient, can reach 89%, improved labor condition and environmental health.Be suitable for industries such as pharmacy, chemical industry, tealeaves, food, food and drink, can be used as and replace diesel oil and liquefied gas use.Equipment is small and exquisite, diverse in function, and cost of use is low.Kitchen range can be provided, and burning gas also can provide drinking water and hot water usefulness such as have a bath.Fuel cost only is about 1/3 of diesel range, a liquefied gas cooker.

Description of drawings:

Fig. 1 is a structural representation of the present utility model.

Embodiment: reach embodiment in conjunction with the accompanying drawings and describe, but protection domain of the present utility model is not limited to accompanying drawing and embodiment.

As figure, the hearth wall of body of heater 1 is double-deck water jacket in the utility model, and sewage draining exit 14 is equipped with in the water jacket bottom.There is an annular waist drum wind storehouse 12 middle and lower part outside body of heater 1, is furnished with in this wind storehouse and passes the double-deck blast pipe 13 that water jacket is communicated to burner hearth inside, and the sidewall in wind storehouse is connected on the gas blower airduct.Gas blower pressure is 2140Pa, is equivalent to about 200 millimeter water column, and the airflow pressure size is regulated with butterfly valve.The middle part is a gasification section in the burner hearth, its side has the raw gas outlet 7 of 220 millimeters of diameters, the outlet the other end is connected with filter cylinder dust-removing desulfurating apparatus 2, the raw gas of output is discharged to filter cylinder dust-removing desulfurating apparatus 2 from raw gas outlet 7 and carries out dust-removal and desulfurizing, gas-water separation is handled, and delivers to the kitchen range burning again, and this filter cylinder dust-removing desulfurating apparatus upper end has gas relief valve 8, purify gas exit 9, the lower end is a tar sewage draining exit 16.The top of furnace body wall also is equipped with an entrance of cooling water 6, and the lower end also is equipped with 10 and portholes 11 of boiling water outlet.The import 5 of on body of heater top, coalingging, the import next door of coalingging be equipped with the water vapour spraying gun 3 that is communicated with double-deck water jacket and the fume dust remover that is communicated with burner hearth 4 each cover, the outlet of water vapour spraying gun 3 is communicated to the gas blower airduct through conduit.In the burner hearth lower end rotary fire grate 17 being arranged, is cinder tank below the fire grate, is provided with ash discharge cinder notch 15.

The utility model mixes as vaporized chemical with air and water vapor, and the coal gas of producing belongs to producer gas.Brown coal move in stove from top to bottom, through several zones such as preheating, drying, destructive distillation, gasification and burnings, get rid of outside the stove for solid slag at last.In stove,, produce a large amount of inflammable gass, purify the back and use for kitchen range with the red-hot charcoal generating gasification reaction of high temperature.The various chemical reactions that body of heater bottom burning zone takes place are mainly: the combustion reactions of charcoal, carbon dioxide reduction reaction, water vapour decomposition reaction, water-gas reaction, methane formation reaction.More than its flammable composition of raw gas of reaction generation is: carbon monoxide, hydrogen, methane; Combustiblematerials is tar, light oil etc.Coal gas and water vapor pressure are normal pressure, and through filtering the raw gas after desulfurization and dedusting is handled, combustion efficacy is good, does not have pungent sulfur smoke.Because spraying gun steam outlet conduit and gas blower airduct UNICOM, the vaporized chemical of introducing in the stove contains the saturated vapor after a large amount of atomizings, can generate more inflammable gas at chance zone of combustion high temperature and red-hot charcoal generating gasification reaction.

Claims

1, the dolioform brown coal hydrogasification stove of a kind of normal pressure, comprise body of heater, filter cylinder dust-removing desulfurating apparatus, water vapour spraying gun and several parts of fume dust remover, the import of coalingging of body of heater top, the rotary fire grate that is contained in the burner hearth lower end is arranged at the bottom, the cinder tank of taking grey cinder notch out of is arranged below the fire grate, it is characterized in that: the hearth wall of body of heater is double-deck water jacket structure, be fixed with an annular waist drum wind storehouse that links to each other with the gas blower airduct in the middle and lower part of furnace body outer wall, arrange double-deck blast pipe in the wind storehouse with the burner hearth internal communication; The filter cylinder dust-removing desulfurating apparatus that is positioned at top, annular waist drum wind storehouse is communicated with burner hearth by raw gas outlet; Water vapour spraying gun that is communicated with double-deck water jacket and the fume dust remover that is communicated with in the burner hearth are arranged on the body of heater top, and the outlet of water vapour spraying gun is communicated to the gas blower airduct through conduit.

2, the dolioform brown coal hydrogasification stove of normal pressure as claimed in claim 1, it is characterized in that: entrance of cooling water is equipped with on water jacket top, and the middle part is provided with the boiling water outlet, and sewage draining exit is arranged at the bottom.

3, the dolioform brown coal hydrogasification stove of normal pressure as claimed in claim 1 is characterized in that: there is gas relief valve filter cylinder dust-removing desulfurating apparatus upper end and purifies gas exit, and there is the tar sewage draining exit lower end, purifies gas exit and is connected to kitchen range through pipeline.

4, the dolioform brown coal hydrogasification stove of normal pressure as claimed in claim 1, it is characterized in that: the sidewall of furnace body wall has porthole.