CN201340069Y - Improved coal gasification burning boiler - Google Patents
Improved coal gasification burning boiler Download PDFInfo
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- CN201340069Y CN201340069Y CNU2008201841911U CN200820184191U CN201340069Y CN 201340069 Y CN201340069 Y CN 201340069Y CN U2008201841911 U CNU2008201841911 U CN U2008201841911U CN 200820184191 U CN200820184191 U CN 200820184191U CN 201340069 Y CN201340069 Y CN 201340069Y
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- coal
- gas generating
- generating chamber
- chamber
- boiler
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Abstract
The utility model provides an improved coal gasification burning boiler, wherein, a furnace body is provided with two layers of an inner chamber and an outer chamber, the outer chamber is provided with boiler water, and the inner chamber enables smoke gas to circulate, the inner chamber is partitioned into an upper cavity and a lower cavity, the upper cavity is a boiler chamber, and the lower cavity is a coal gas generating chamber; a coal feed tube is arranged at the top part of the coal gas generating chamber to enable fire coal to enter the coal gas generating chamber; the coal gas generating chamber is also communicated with a blast pipe to enable air and water vapor to enter the coal gas generating chamber; and a coal gas outlet is arranged at the top part of the coal gas generating chamber to guide the coal gas produced in the coal gas generating chamber into the boiler chamber for combustion. Because the fire coal is burned primarily in the coal gas generating chamber, ashes and impurities are cleaned up along with water in an ash pan, and gaseous emission produced during combustion of the coal gas in the combustion chamber is basically water and carbon dioxide which slightly pollute the environment, therefore, compared with the traditional boilers burning coal directly, the utility model is more beneficial to the environmental protection.
Description
Technical field
The utility model relates to a kind of boiler.
Background technology
Existing traditional coal burning boiler all is that moulded coal is directly burnt, and the high-temperature flue gas of its generation is through directly discharging after the heat exchange.Contain a large amount of pollutants in the waste gas of this old-fashioned boiler emission,, will cause great negative effect environment and society as effectively not handling.Therefore, also there are some molded coal boilers to be provided with waste gas recovering device, but certainly will cause production cost to increase.
In addition, need to mix loess in traditional moulded coal that molded coal boiler adopted, cause significant wastage the soil, over-emitting black exhaust during coal, flying dust rises from all around when slagging tap, and not only destroys environment, and influences health.
Summary of the invention
At the deficiencies in the prior art, the purpose of this utility model is: a kind of modified coal gasification combustion boiler is provided, solves the problem of environmental pollution that boiler causes.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of modified coal gasification combustion boiler, its body of heater are provided with inside and outside two-layer room, and outer room is equipped with boiler water, and the internal layer room can is characterized in that for the flue gas circulation:
Described internal layer room also is divided into upper and lower two chambers, and the chamber of top is a boiler room, and the chamber of below is a gas generating chamber; Described gas generating chamber top is provided with a coal unloading tube, enters in the gas generating chamber for fire coal; Described gas generating chamber also is communicated with a blast pipe, enters in the gas generating chamber for air and steam; Then be provided with a gas exit at the gas generating chamber top, the coal gas of the generation in the gas generating chamber exported in the boiler room burn.
In preferable technical scheme: the below of described coal unloading tube is provided with a diffusing coal awl, and the fire coal that is used for falling in the coal unloading tube evenly spreads to each corner of gas generating chamber.
In preferable technical scheme: the bottom center position of described gas generating chamber is provided with a grate destroyer, and described grate destroyer drives rotation by at least one hydraulic jack, the bulk coking material behind the fired coal combustion can be given fragmentation.
In preferable technical scheme: be provided with an ash-pan below gas generating chamber, fill water liquid in the ash-pan, water liquid is sealed the bottom of gas generating chamber.
In preferable technical scheme: described boiler also comprises a steam-water separator, described steam-water separator and boiler water form water liquid loop, and be communicated with described blast pipe by a saturated steam pipe, be transported in the gas generating chamber with steam its generation.
In preferable technical scheme: the outer end of described blast pipe is connected with a primary air fan, also is provided with a check-valves on described blast pipe.
In preferable technical scheme: be divided into a left side with partition in the described boiler room, right two exhaust gases passes, and two exhaust gases passes are interconnected above boiler room, the position of the corresponding described gas exit in the below of one of them exhaust gases passes is provided with a combustion chamber, described combustion chamber also is communicated with one can be for containing the secondary wind inleting tube that the oxygen air enters, the below of another exhaust gases passes is provided with an exhaust opening, described exhaust opening is communicated with a smoke-outlet flue, the heat exchange pipeline that has been peripherally installed with at described smoke-outlet flue, described heat exchange pipeline and an overfire air fan join, and communicate with described secondary wind inleting tube.
In preferable technical scheme: the mouth of pipe of described coal unloading tube seals with a manhole cover, outside the mouth of pipe of coal unloading tube, founding a fixed bar, fixed bar is provided with an idle pulley, be arranged with a transmission rope on the idle pulley, transmission rope one end and a hoist engine interlock, the other end is fixed on the turn bar, described turn bar one end is articulated on the body of heater, the other end is connected with transmission rope, then link to each other with described manhole cover between the two ends of turn bar, also be provided with a coal bunker below the turn bar, the openend of coal bunker is towards the opening of coal unloading tube, described openend also is resisted against described opening top, and the tail end of coal bunker then links to each other with described transmission rope.
In preferable technical scheme: be provided with a sealing belljar valve in the described coal unloading tube.
In preferable technical scheme: on boiler, be connected with automatic gauge.
Compared with prior art, adopt the advantage that the utlity model has of technique scheme to be:
1, because coal-fired primary combustion in gas generating chamber, ashes and impurity are cleaned out along with the water liquid in the ash-pan, and the gaseous effluent that the gas-fired in the combustion chamber produces is water and carbon dioxide substantially, to the pollution of environment seldom, therefore, the utility model has environmental benefit more for the direct coal fired boiler of tradition.
2, high-temperature gas is just discharged outside the boiler room through twice circulation in boiler room, heat exchanger effectiveness is higher, and the smoke pipeline has been peripherally installed with a heat exchange pipeline, can make full use of the amount of residual heat will that high-temperature flue gas is had when discharging, further improve the thermal efficiency of boiler.
3, the automatic stoking device can adopt mechanical device to substitute the hand firing, has not only reduced labour intensity, and has increased safety coefficient.
4, the grate destroyer is driven by hydraulic jack, and in the time of rotation, after the fragmentation of bulk coking material, cleaning is come out from ash-pan, has further improved automatization level.
Description of drawings
Fig. 1 is the front view of a preferred embodiment of the utility model;
Fig. 2 is the left view of a preferred embodiment of the utility model;
Fig. 3 is the vertical view of a preferred embodiment of the utility model.
The specific embodiment
For shape of the present utility model, structure and characteristics can be understood better, below will and be elaborated to the utility model in conjunction with the accompanying drawings by preferred embodiment.In order to make structure of the present utility model more clear, described accompanying drawing might change actual proportionate relationship in drawing process, and this is not appreciated that the concrete qualification to present patent application.
As Fig. 1～shown in Figure 3, described modified coal gasification combustion boiler, its body of heater 1 supports on the ground with stove leg 11, described body of heater 1 is provided with inside and outside two-layer room, outer room is equipped with boiler water, and the internal layer room can be for the flue gas circulation, and described internal layer room also is divided into upper and lower two chambers, wherein Shang Fang chamber is boiler room G, and the chamber of below is the M of gas generating chamber.Wherein:
The described M of gas generating chamber center of top position is provided with a coal unloading tube 7, and described coal unloading tube 7 is communicated to body of heater 1 outside, enters among the M of gas generating chamber for fire coal.The below of described coal unloading tube 7 is provided with a diffusing coal awl 8, and the fire coal that is used for falling in the coal unloading tube 7 evenly spreads to each corner of the M of gas generating chamber.The bottom of the described M of gas generating chamber also is connected with a blast pipe 14, and blast pipe 14 outer ends are connected with a check-valves 15 and a primary air fan 16 in turn, enters among the M of gas generating chamber for containing the oxygen air, and the usefulness of fired coal combustion is provided.In addition, described blast pipe 14 is communicated with a saturated steam pipe 17 with bypass, described saturated steam pipe 17 is communicated to a steam-water separator 18, described steam-water separator 18 forms water liquid loop by two water pipes 181 and boiler water, and the steam of its generation is transported among the M of gas generating chamber by described saturated steam pipe 17.When steam by red-hot fire coal, will produce the coal gas that can burn, with as the fuel gas among the boiler room G.Therefore, also be provided with a gas exit O, the coal gas of the generation in the M of gas generating chamber is exported among the boiler room G at gas generating chamber M top.
In addition, the bottom center position of the described M of gas generating chamber is provided with a grate destroyer 10, and described grate destroyer 10 drives rotation by at least one hydraulic jack 13, the bulk coking material behind the fired coal combustion can be given fragmentation.Be provided with an ash-pan 12 below the M of gas generating chamber, fill water liquid in the ash-pan 12, water liquid is sealed the bottom of the M of gas generating chamber, simultaneously, also can flow out from the water liquid of ash-pan 12 through the coking material after the fragmentation.Certainly, the described M of gas generating chamber also is provided with fire door 9, can freely openable for the cleaning M of gas generating chamber.
As for described boiler room G, be divided into left and right two exhaust gases passes T to cut off 4 in it, and two exhaust gases passes T are interconnected above boiler room G, in order to quicken the heat transfer rate of boiler water, also be provided with most root horizontal water tubes 3 on two exhaust gases passes T, described horizontal water tube 3 is communicated with the boiler water of outer room relatively.In order to utilize the coal gas that produces in the M of gas generating chamber to generate heat, the utility model has also carried out following improvement to the structure of boiler room G: the position of the corresponding described gas exit O in the below of an exhaust gases passes T is provided with a combustion chamber 5 therein, described combustion chamber 5 also is communicated with one can be for containing the secondary wind inleting tube 26 that the oxygen air enters, the coal gas that comes out from gas exit O with contain the oxygen air and described combustion chamber 5, mix and burn, produce a large amount of heat and flue gas.After described high-temperature flue gas rises to the top of this exhaust gases passes T, walk around described partition 4 and enter another exhaust gases passes T.The below of described another exhaust gases passes T then is provided with an exhaust opening 6, and described exhaust opening 6 is communicated with a smoke-outlet flue 27, so that described high-temperature flue gas is discharged outside the body of heater 1.In order to make full use of the amount of residual heat will that high-temperature flue gas is had when discharging, at the heat exchange pipeline 25 that has been peripherally installed with of described smoke-outlet flue 27, described heat exchange pipeline 25 and an overfire air fan 24 join, and communicate with described secondary wind inleting tube 26.What need to replenish is, is preferably in and also is provided with at least one explosion-proof cleanout 2 in the boiler room G, is used for regularly sweeping boiler room G, to avoid danger situation such as obstruction.In addition, very few and cause accident for fear of boiler water, on boiler, also be connected with automatic gauge 19, constantly detect the capacity of boiler water, promptly begin to add water in case reach the warning position.
In order to reduce stoker personnel workload, improve the efficiency of combustion of boiler, the utility model also is provided with the automatic stoking device, as shown in Figure 1, the outer end of described coal unloading tube 7 abuts in body of heater 1 outside, and sentences 20 sealings of a manhole cover at the mouth of pipe of coal unloading tube 7, in case coal gas leaks from the mouth of pipe; In addition, in described coal unloading tube 7, be provided with a sealing belljar valve 22, can when manhole cover 20 is opened, still keep coal gas not leak.Described automatic stoking device, be to found a fixed bar 28 outside the mouth of pipe of coal unloading tube 7, fixed bar 28 is provided with an idle pulley 29, is arranged with a transmission rope 30 on the idle pulley 29, transmission rope 30 1 ends and hoist engine 23 interlocks, the other end is fixed on the turn bar 31.Described turn bar 31 1 ends are articulated on the body of heater 1, and the other end is connected with transmission rope 30, then link to each other with described manhole cover 20 between the two ends of turn bar 31.Also be provided with a coal bunker 21 below turn bar 31, the openend of coal bunker 21 is towards the opening of coal unloading tube 7, and is resisted against described opening top, and the tail end of coal bunker 21 then links to each other with described transmission rope 30 by a connecting rod 32 (perhaps connection cord).Like this, when hoist engine 23 tightens up transmission rope 30, the end that turn bar 31 links to each other with transmission rope 30 is just carried under the drive of transmission rope 30, is inconjunction with to make and carry on the manhole cover 20, makes the mouth of pipe of described coal unloading tube 7 open.Simultaneously, coal bunker 21 also verts under the drive of transmission rope 30, makes the tail end of coal bunker 21 be higher than openend, and the fire coal in the coal bunker 21 is poured in the coal unloading tube 7.
As for the course of work of the present utility model, then as described below:
At first, close described sealing belljar valve 22, start the automatic stoking device then, pour into fire coal in the opening of coal unloading tube 7 by coal bunker 21; Then, close manhole cover 20, open sealing belljar valve 22 again, make coal-fired tube wall fall into the M of gas generating chamber along coal unloading tube 7.Coal-fired under the effect of diffusing coal awl 8, be scattering into the interior all angles of the M of gas generating chamber, enter among the M of gas generating chamber by blast pipe 14 by primary air fan 16 and contain the oxygen air, help is coal-fired burns in the M of gas generating chamber; Simultaneously, saturated steam pipe 17 also with moisture vapor transport in the M of gas generating chamber, behind red-hot fire coal, the coal gas that generation can be burnt.
The coal gas of above-mentioned generation enters in the boiler room G by gas exit O, with input in the secondary wind inleting tube 26 contain oxygen air mixing after-combustion, the high-temperature flue gas that produces passes two flues in regular turn, heat is conducted to behind the boiler water, output to smoke-outlet flue 27 from exhaust opening 6, be discharged in the atmosphere at last.Simultaneously, overfire air fan 24 will contain the oxygen air to be sent in the heat exchange pipeline 25, absorbs the amount of residual heat will in the smoke-outlet flue 27, is transported in the secondary wind inleting tube 26 again, uses for gas-fired.
As for the bulk coking material that produces behind the fired coal combustion in the M of gas generating chamber, then destroyed by grate destroyer 10, the fragment residue of production is called in the ash-pan 12, and is cleaned out by ash-pan 12 edges.
This shows, the utlity model has following advantage:
1, because coal-fired primary combustion in the M of gas generating chamber, ashes and impurity are cleaned out along with the water liquid in the ash-pan 12, and the gaseous effluent that the gas-fired in the combustion chamber 5 produces is water and carbon dioxide substantially, to the pollution of environment seldom, therefore, the utility model has environmental benefit more for the direct coal fired boiler of tradition.
2, high-temperature gas is just discharged outside the boiler room G through twice circulation in boiler room G, heat exchanger effectiveness is higher, and the smoke pipeline has been peripherally installed with a heat exchange pipeline 25, can make full use of the amount of residual heat will that high-temperature flue gas is had when discharging, further improve the thermal efficiency of boiler.
3, the automatic stoking device can adopt mechanical device to substitute the hand firing, has not only reduced labour intensity, and has increased safety coefficient.
4, grate destroyer 10 is driven by hydraulic jack 13, and in the time of rotation, after the fragmentation of bulk coking material, cleaning is come out from ash-pan 12, has further improved automatization level.
More than explanation is just illustrative for the utility model; and nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claim and limited; can make many modifications, variation or equivalence, but all will fall within the protection domain of the present utility model.
Claims (10)
1, a kind of modified coal gasification combustion boiler, its body of heater are provided with inside and outside two-layer room, and outer room is equipped with boiler water, and the internal layer room can is characterized in that for the flue gas circulation:
Described internal layer room also is divided into upper and lower two chambers, and the chamber of top is a boiler room, and the chamber of below is a gas generating chamber; Described gas generating chamber top is provided with a coal unloading tube, enters in the gas generating chamber for fire coal; Described gas generating chamber also is communicated with a blast pipe, enters in the gas generating chamber for air and steam; Then be provided with a gas exit at the gas generating chamber top, the coal gas of the generation in the gas generating chamber exported in the boiler room burn.
2, modified coal gasification combustion boiler according to claim 1 is characterized in that: the below of described coal unloading tube is provided with a diffusing coal awl, and the fire coal that is used for falling in the coal unloading tube evenly spreads to each corner of gas generating chamber.
3, modified coal gasification combustion boiler according to claim 1, it is characterized in that: the bottom center position of described gas generating chamber is provided with a grate destroyer, described grate destroyer drives rotation by at least one hydraulic jack, the bulk coking material behind the fired coal combustion can be given fragmentation.
4, modified coal gasification combustion boiler according to claim 1, it is characterized in that: be provided with an ash-pan below gas generating chamber, fill water liquid in the ash-pan, water liquid is sealed the bottom of gas generating chamber.
5, modified coal gasification combustion boiler according to claim 1, it is characterized in that: described boiler also comprises a steam-water separator, described steam-water separator and boiler water form water liquid loop, and be communicated with described blast pipe by a saturated steam pipe, be transported in the gas generating chamber with steam its generation.
6, modified coal gasification combustion boiler according to claim 1 or 5, it is characterized in that: the outer end of described blast pipe is connected with a primary air fan, also is provided with a check-valves on described blast pipe.
7, modified coal gasification combustion boiler according to claim 1, it is characterized in that: be divided into a left side with partition in the described boiler room, right two exhaust gases passes, and two exhaust gases passes are interconnected above boiler room, the position of the corresponding described gas exit in the below of one of them exhaust gases passes is provided with a combustion chamber, described combustion chamber also is communicated with one can be for containing the secondary wind inleting tube that the oxygen air enters, the below of another exhaust gases passes is provided with an exhaust opening, described exhaust opening is communicated with a smoke-outlet flue, the heat exchange pipeline that has been peripherally installed with at described smoke-outlet flue, described heat exchange pipeline and an overfire air fan join, and communicate with described secondary wind inleting tube.
8, modified coal gasification combustion boiler according to claim 1, it is characterized in that: the mouth of pipe of described coal unloading tube seals with a manhole cover, outside the mouth of pipe of coal unloading tube, founding a fixed bar, fixed bar is provided with an idle pulley, be arranged with a transmission rope on the idle pulley, transmission rope one end and a hoist engine interlock, the other end is fixed on the turn bar, described turn bar one end is articulated on the body of heater, the other end is connected with transmission rope, then link to each other between the two ends of turn bar with described manhole cover, below the turn bar, also be provided with a coal bunker, the openend of coal bunker is towards the opening of coal unloading tube, and described openend also is resisted against described opening top, and the tail end of coal bunker then links to each other with described transmission rope.
9, modified coal gasification combustion boiler according to claim 1 is characterized in that: be provided with a sealing belljar valve in the described coal unloading tube.
10, modified coal gasification combustion boiler according to claim 1 is characterized in that: be connected with automatic gauge on boiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201841911U CN201340069Y (en) | 2008-12-30 | 2008-12-30 | Improved coal gasification burning boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201841911U CN201340069Y (en) | 2008-12-30 | 2008-12-30 | Improved coal gasification burning boiler |
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| Publication Number | Publication Date |
|---|---|
| CN201340069Y true CN201340069Y (en) | 2009-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201841911U Expired - Fee Related CN201340069Y (en) | 2008-12-30 | 2008-12-30 | Improved coal gasification burning boiler |
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| CN (1) | CN201340069Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016074004A1 (en) * | 2014-11-06 | 2016-05-12 | Nguyen Gia Long | A generation system by gasification |
-
2008
- 2008-12-30 CN CNU2008201841911U patent/CN201340069Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016074004A1 (en) * | 2014-11-06 | 2016-05-12 | Nguyen Gia Long | A generation system by gasification |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091104 Termination date: 20121230 |