CN1558139A - Continuous clean combustion equipment and method for coal - Google Patents
Continuous clean combustion equipment and method for coal Download PDFInfo
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- CN1558139A CN1558139A CNA2004100211117A CN200410021111A CN1558139A CN 1558139 A CN1558139 A CN 1558139A CN A2004100211117 A CNA2004100211117 A CN A2004100211117A CN 200410021111 A CN200410021111 A CN 200410021111A CN 1558139 A CN1558139 A CN 1558139A
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Abstract
The present invention discloses one kind of continuous clean coal burning apparatus and method. There are gas generator set on one side of the combustor with gas outlet and flame outlet communicated with the combustor; and independent air chamber in the bottom of the gas generator and beside the air chamber for the combustor. The continuous clean coal burning process includes burning and gasifying granular coal in the gas generator, spraying the high temperature flame and gas flame from the gas generator to the combustor via different ports; mixed burning of the gas flame and the high temperature flame to dry distill and gasify coal inside the combustor, and blowing air to the combustor for the semi-coked coal to burn fast. The present invention has the advantages of high heat efficiency, no pollution, etc.
Description
Technical field
The present invention relates to a kind of burner and method, more particularly relate to a kind of continuous cleaning burning device and method of coal, be applicable to various coal furnaces.
Background technology
At present, coal furnace is made of combustion chamber, air compartment usually, coal is placed on the fire grate of combustion chamber during work, lights the back by the air compartment air feed, makes coal combustion discharge heat for producing and the life heat supply.This burner is heated by the production of people's extensive use, particularly winter and life owing to adopt this cheap fuel of coal.It is all economical than burn crude, product oil, natural gas etc., and cost is low again, and the coal resources in China reserves are abundant more than oil.But, this burner is owing to directly adopt the coal combustion heat supply, tend to produce a large amount of poisonous and hazardous flue gases and dust, especially when the combustion chamber stoking in stove, the completing combustion that is not able to do in time as yet in the combustion chamber of the fugitive constituent of coal promptly discharges out of the furnace, since coal can't the clean combustion severe contamination surrounding enviroment the stove place thermal efficiency is low, maximum has only 72% because the coal smoke that a large amount of flammable coal dusts form is discharged to, and has wasted coal resources greatly.And this burner often can't use various cheap raw coal, can only use particulate coal or moulded coal, has improved greatly and has produced and life heating cost.
Summary of the invention
The purpose of this invention is to provide a kind of continuous cleaning burning device and method of coal, it not only can adopt cheap raw coal, reduce to produce greatly and life heating cost, and thermal efficiency height, surrounding enviroment is not produced pollution.
The continuous cleaning burning device of coal of the present invention is to realize like this, it includes combustion chamber, air compartment, a side that it is characterized in that the combustion chamber also is provided with a gas generating chamber, there is the gas exit that communicates with the combustion chamber top of gas generating chamber, the flame export that communicates with the combustion chamber in addition below gas generating chamber; Have in the bottom of gas generating chamber one with air compartment and example be another air compartment of gas generating chamber's independence air feed.
The continuous cleaning combustion method of coal of the present invention is characterized in that at first particulate coal being placed gas generating chamber's internal combustion gasification; The coal gas that forms through gasification sprays into the combustion chamber by the gas exit that communicates with the combustion chamber again, makes coal gas in the combustion chamber internal combustion; The thermal-flame of gas generating chamber bottom, the flame export that is communicated with the combustion chamber by the gas generating chamber bottom sprays into the combustion chamber, the gas burner that sprays into by the gas inlet of top, combustion chamber, thermal-flame mixed combustion with the ejection of bottom flame export, make the combustion chamber produce the high-temperature region, by the high-temperature region in the combustion chamber with the raw coal destructive gasifying after-combustion in the combustion chamber; After the gasification of the raw coal in combustion chamber destructive distillation, to blow to the combustion chamber by air compartment more at last, raw coal clean combustion in the combustion chamber is finished in the semicoke conflagration that allows destructive distillation slough fugitive constituent.
Advantage of the present invention is, because gas generating chamber is provided with gas exit and the flame export that communicates with the upper and lower side of combustion chamber, coal gas in the gas generating chamber and thermal-flame form a high-temperature region in the combustion chamber like this, with the raw coal destructive gasifying in the combustion chamber, have realized the clean combustion of raw coal; Though what adopt in the vaporizer is particulate coal, the raw coal of incendivity Indoor Combustion accounts for 3/4 of integrated fuel, and can use various raw coal to reduce the burning cost widely; Because all fugitive constituents that can produce black smoke all change into the coal gas after-flame with raw coal, make the phosphorus content in the coal ash extremely low, have improved efficiency of combustion, have simple in structure, easy to operate, the thermal efficiency is high, can carry out clean combustion, free of contamination characteristics to raw coal.
Description of drawings
The present invention is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is a concrete structure cut-away section schematic diagram of the present invention;
The specific embodiment
In Fig. 1, burner has a combustion chamber 4 and is the air compartment 9 of combustion chamber 4 air feeds, fire grate 8 fixed fire grates of employing in combustion chamber 4 or chain-type, reciprocating machine motion fire grate.The left side of combustion chamber 4 also is provided with a gas generating chamber 2, and the sidewall of gas generating chamber 2 is provided with the water jacket of control room temperature.There is the gas exit 3 that communicates with combustion chamber 4 top of gas generating chamber 2, the flame export 5 that communicates with combustion chamber 4 in addition below gas generating chamber 2; The bottom of gas generating chamber 2 have one with air compartment 9 and example be another air compartment 10 of gas generating chamber's 2 independent air feeds.The fire grate 12 of gas generating chamber 2 bottoms adopts the water-cooled fire grate, and a coal filling hole 1 and a cleaning door 11 are arranged at the top of gas generating chamber 2, and the air compartment 10 under the water-cooled grate 12 has the cloth air port.Combustion chamber 4 is provided with heating medium outlet 6, and thermophore outlet 6 can link to each other with using heat carrier portion.
The continuous cleaning combustion method of coal of the present invention is: at first particulate coal is placed gas generating chamber's 2 internal combustion gasification, said particulate coal is lump coal or moulded coal.Gas exit 3 is arranged at the top of part because gas generating chamber 2 and combustion chamber 4 link, thermal-flame outlet 5 is arranged at the bottom, the thermal-flame mixed combustion of the coal gas of top gas exit 3 ejections and 5 ejections of bottom flame export, make combustion chamber 4 produce the high-temperature region, with initiate raw coal destructive gasifying in the combustion chamber 4, after the raw coal in the combustion chamber is finished the gasification destructive distillation, blow to combustion chamber 4 by air compartment 9 again, make destructive distillation slough the semicoke conflagration of fugitive constituent, finish raw coal clean combustion in combustion chamber 4.
During work, at first water filling in the water jacket of gas generating chamber 2, water jacket is finished the adjustment with gas generating chamber 2 by self circulating.Again particulate coal is placed gas generating chamber's 2 internal combustion gasification.Add raw coal by coal filling hole 7 in the combustion chamber, the coal gas that forms through gasification sprays into combustion chamber 4 via the gas exit 3 that communicates with combustion chamber 4, and coal gas is 4 internal combustion in the combustion chamber.The thermal-flame of gas generating chamber 2 bottoms, the flame export that is communicated with combustion chamber 4 by gas generating chamber 2 bottoms sprays into combustion chamber 4, the thermal-flame mixed combustion of gas burner that combustion chamber 4 top gas inlets spray into and the ejection of bottom flame export is with the raw coal destructive gasifying of combustion chamber 4.After the gasification of the raw coal in the combustion chamber 4 destructive distillation, give the combustion chamber 4 air-supplies by air compartment 9 more at last, the clean combustion of raw coal in combustion chamber 4 finished in the semicoke conflagration that allows destructive distillation slough fugitive constituent.
Claims (4)
1, a kind of continuous cleaning burning device of coal, it includes combustion chamber, air compartment, a side that it is characterized in that the combustion chamber also is provided with a gas generating chamber, and there is the gas exit that communicates with the combustion chamber top of gas generating chamber, the flame export that communicates with the combustion chamber in addition below gas generating chamber; Have in the bottom of gas generating chamber one with air compartment and example be another air compartment of gas generating chamber's independence air feed.
2, burner according to claim 1 is characterized in that its fire grate of described combustion chamber is fixed fire grate or chain-type, reciprocating machine motion fire grate.
3, burner according to claim 1 is characterized in that its fire grate of described gas generating chamber is the water-cooled fire grate.
4, a kind of continuous cleaning combustion method of coal is characterized in that at first particulate coal being placed gas generating chamber's internal combustion gasification; The coal gas that forms through gasification sprays into the combustion chamber by the gas exit that communicates with the combustion chamber again, makes coal gas in the combustion chamber internal combustion; The thermal-flame of gas generating chamber bottom, the flame export that is communicated with the combustion chamber by the gas generating chamber bottom sprays into the combustion chamber, the gas burner that sprays into by the gas inlet of top, combustion chamber, thermal-flame mixed combustion with the ejection of bottom flame export, make the combustion chamber produce the high-temperature region, by the high-temperature region in the combustion chamber with the raw coal destructive gasifying after-combustion in the combustion chamber; After the gasification of the raw coal in combustion chamber destructive distillation, to blow to the combustion chamber by air compartment more at last, raw coal clean combustion in the combustion chamber is finished in the semicoke conflagration that allows destructive distillation slough fugitive constituent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410021111 CN1236224C (en) | 2004-02-06 | 2004-02-06 | Continuous clean combustion equipment and method for coal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410021111 CN1236224C (en) | 2004-02-06 | 2004-02-06 | Continuous clean combustion equipment and method for coal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1558139A true CN1558139A (en) | 2004-12-29 |
| CN1236224C CN1236224C (en) | 2006-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410021111 Expired - Fee Related CN1236224C (en) | 2004-02-06 | 2004-02-06 | Continuous clean combustion equipment and method for coal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1236224C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075310A (en) * | 2013-03-29 | 2014-10-01 | 麦特能源股份有限责任公司 | Method for straw combustion in the boiler and a hot water boiler fired with straw |
-
2004
- 2004-02-06 CN CN 200410021111 patent/CN1236224C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075310A (en) * | 2013-03-29 | 2014-10-01 | 麦特能源股份有限责任公司 | Method for straw combustion in the boiler and a hot water boiler fired with straw |
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| Publication number | Publication date |
|---|---|
| CN1236224C (en) | 2006-01-11 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20060111 Termination date: 20100206 |