CN201184590Y - Combined type powder coal gasification combustion apparatus - Google Patents
Combined type powder coal gasification combustion apparatus Download PDFInfo
- Publication number
- CN201184590Y CN201184590Y CNU2008200205730U CN200820020573U CN201184590Y CN 201184590 Y CN201184590 Y CN 201184590Y CN U2008200205730 U CNU2008200205730 U CN U2008200205730U CN 200820020573 U CN200820020573 U CN 200820020573U CN 201184590 Y CN201184590 Y CN 201184590Y
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- China
- Prior art keywords
- gasification
- air
- fine coal
- combined type
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Abstract
The utility model provides a combined type fine coal gasification burning device which can solve the problems of unstable burning, lower fuel utilization, high ignition cost, inconvenient furnace start and stop, etc. in the prior art. The technical proposal of the utility model is as follows: the combined type fine coal gasification burning device comprises a gasification furnace and is characterized in that the burning device is further provided with a gasification furnace gas nozzle and a fine coal pyrolysis and gasification chamber. The b combined type fine coal gasification burning device integrates pyrolysis, gasification and burning, and combines with fine coal gasification burning to form a complete device. The combined type fine coal gasification burning device utilizes the gasification furnace to generate flame and then directly inject the flame into the fine coal pyrolysis and gasification chamber so as to organically combine the pyrolysis, gasification and burning processes of fine coals together. The combined type fine coal gasification burning device has the characteristics of simple structure, low production cost, low operation cost, safe and reliable operation, etc.
Description
Technical field
The utility model relates to the coal gasification burner, is the improvement to existing coal gasification burner structure.
Background technology
Fine coal burner in the existing coal gasification burner adopts grease gun igniting usually, and oil gun separates with the fine coal burner, exist ignition difficulties, rough burning, shortcoming such as fuel heat utilization is low, and along with continue going up of oil price is long, fuel cost is excessive, starts the blowing out inconvenience.Coal water slurry boiler is then invested excessive, and economy is too poor.
How to solve the problems of the technologies described above, then be design problem of the present utility model.
Summary of the invention
The utility model provides a kind of combined type coal gasification burner, problems such as combustion instability, the fuel availability that it can solve the prior art existence is low, igniting cost height, startup blowing out inconvenience.
For reaching the order ground that addresses the above problem, the technical solution of the utility model is, a kind of combined type coal gasification burner, comprise gasification furnace, it is characterized in that also being provided with fuel gas of gasifying furnace nozzle and pulverized coal pyrolysis vaporizer, described fuel gas of gasifying furnace nozzle comprises the casing that is connected with gasification furnace, described casing is provided with blast pipe, be provided with the gas flame pipe in the described casing, described gas flame pipe is communicated with described gasification furnace, have several fresh air inlets on the body of described gas flame pipe, be provided with the air preheat cover in the described pulverized coal pyrolysis vaporizer, and be formed with fine coal chamber and air-pre-heating cavity, described fine coal chamber enters pipe with wind and fine coal and is communicated with, described air-pre-heating cavity is communicated with secondary air intake pipe, described gas flame pipe is inserted in the described fine coal chamber, and described air preheat cover is communicated with described gas flame pipe, is described air-pre-heating cavity around the described air preheat cover, near the outlet of described air preheat cover is bocca, and described air-pre-heating cavity outer end is provided with hot air outlet.
In the utility model, also have following technical characterictic: described gas flame pipe outer end is near the import of described air preheat cover.
In the utility model, also have following technical characterictic: described pulverized coal pyrolysis vaporizer is a Long Circle tubular chamber.
Gasification furnace is provided with gas burner, the thermal-flame that burning produces, directly inject the pulverized coal pyrolysis vaporizer, gasification combustion chamber's peripheral hardware has the air preheat cover, described air preheat cover is annular housing, be enclosed in the preheating of vaporizer outer air and be arranged with inlet of cold air and hot air outlet, the air inlet of the air of preheating by vaporizer entered fuel burner nozzle provides hot-air for overheavy firing.
In this is practical, also have following technical characterictic, the pulverized coal pyrolysis vaporizer connects with gasification furnace.Inlet of cold air is arranged on preheated air cover outer wall, and the interior side outlet that preheated air cover hot air outlet is arranged on the fine coal burner becomes ring-like cloth wind form.
Advantage of the present utility model is:
1, the utility model is that thermal-arrest is separated, gasifies, burnt to one, be combined into a covering device with the coal gasification burning, utilize gasification furnace to produce flame and directly inject the pulverized coal pyrolysis vaporizer, three different technical process with the pyrolysis of fine coal, gasification, burning combine.Have simple in structure, characteristics such as cost is low, and operating cost is low, and handling safety is reliable.
2, mix air with fuel gas buring, up to hundreds of degree, can fully mix, make flameholding even, improved the thermal efficiency with combustion gas by preheating, temperature.
3, air enters vaporizer and is divided into secondary and allocates into, the air distributed uniform, and combustion gas fully mixes with different sections air, improves the stability of burning.
4, electric power and corresponding operating cost and equipment investment have been saved.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described in detail.
Fig. 1 is the utility model combined type coal gasification burner structural representation;
Fig. 2 is the structure chart of the utility model gasification furnace and gasification furnace gas nozzle;
Fig. 3 is the cutaway view of the air preheat cover of the utility model pulverized coal pyrolysis vaporizer.
10. gasification furnace; 11. coal feeding hole; 12. slag-drip opening;
20. fuel gas of gasifying furnace nozzle; 21. blast pipe; 22. fresh air inlet; 23. gas flame pipe; 24. casing;
30. pulverized coal pyrolysis vaporizer; 31. wind and fine coal enter pipe; 32. secondary air intake pipe; 33. air preheat cover; 34. air-pre-heating cavity; 35. hot air outlet; 36. bocca; 37. fine coal chamber.
The specific embodiment
Referring to Fig. 1, Fig. 2, Fig. 3 is combined into coal gasification burner version, is divided into the two large divisions, and Fig. 2 is the gasification furnace part, and Fig. 3 is a pulverized coal pyrolysis gasified combustion apparatus part.Gasification furnace 10 shapes among Fig. 2 are generally round or the square flat-square-shaped.
Described fuel gas of gasifying furnace nozzle 20 comprises the casing 24 that is connected with gasification furnace 10, described casing 24 is provided with blast pipe 21, be provided with gas flame pipe 23 in the described casing 24, described gas flame pipe 23 is communicated with described gasification furnace 10, has several fresh air inlets 22 on the body of described gas flame pipe 23.
Be provided with air preheat cover 33 in the described pulverized coal pyrolysis vaporizer 30, and be formed with fine coal chamber 37 and air-pre-heating cavity 34, described fine coal chamber 37 enters pipe 31 with wind and fine coal and is communicated with, described air-pre-heating cavity 34 is communicated with secondary air intake pipe 32, described gas flame pipe 23 is inserted in the described fine coal chamber 37, described gas flame pipe 23 outer ends are near 33 imports are overlapped in described air preheat, described air preheat cover 33 is communicated with described gas flame pipe 23, around the described air preheat cover 33 is described air-pre-heating cavity 34, near the outlet of described air preheat cover 33 is bocca 36, and described air-pre-heating cavity 34 outer ends are provided with hot air outlet 35.
The air that gasification furnace 10 is allocated into enters from slag-drip opening 12, after producing coal gas, gasification furnace 10 enters gas flame pipe 23, form flame in its outlet and the air burning of allocating into, with enter the flame that pipe 31 fine coal that enter and air mixture form from wind and fine coal and directly be injected in the pre-hot jacket 33, air through air-pre-heating cavity 34 preheatings, from hot air outlet 35 ejections, to converge with fine coal and gas flame, the combustion gas of ejection mixes combustion and enters boiler through bocca 36 ejections
Owing to adopt versions such as air preheat cover 33 and air-pre-heating cavity 34, make air produce preheating in advance, make burning more abundant, blowdown flow rate significantly reduces.
In sum, only be preferred embodiments of the present utility model, be not to be that the utility model is done other forms of restriction.Any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent example of equivalent variations.But all technical solutions of the utility model contents that do not break away from, still belong in the scope of technical solutions of the utility model any simple modification equivalent variations and remodeling that above embodiment did according to the utility model essence.
Claims (3)
1. combined type coal gasification burner, comprise gasification furnace, it is characterized in that also being provided with fuel gas of gasifying furnace nozzle and pulverized coal pyrolysis vaporizer, described fuel gas of gasifying furnace nozzle comprises the casing that is connected with gasification furnace, described casing is provided with blast pipe, be provided with the gas flame pipe in the described casing, described gas flame pipe is communicated with described gasification furnace, have several fresh air inlets on the body of described gas flame pipe, be provided with the air preheat cover in the described pulverized coal pyrolysis vaporizer, and be formed with fine coal chamber and air-pre-heating cavity, described fine coal chamber enters pipe with wind and fine coal and is communicated with, described air-pre-heating cavity is communicated with secondary air intake pipe, described gas flame pipe is inserted in the described fine coal chamber, and described air preheat cover is communicated with described gas flame pipe, is described air-pre-heating cavity around the described air preheat cover, near the outlet of described air preheat cover is bocca, and described air-pre-heating cavity outer end is provided with hot air outlet.
2. according to the described device of claim 1, it is characterized in that described gas flame pipe outer end is near the import of described air preheat cover.
3. according to claim 1 or 2 described devices, it is characterized in that described pulverized coal pyrolysis vaporizer is a Long Circle tubular chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200205730U CN201184590Y (en) | 2008-03-26 | 2008-03-26 | Combined type powder coal gasification combustion apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200205730U CN201184590Y (en) | 2008-03-26 | 2008-03-26 | Combined type powder coal gasification combustion apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201184590Y true CN201184590Y (en) | 2009-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200205730U Expired - Fee Related CN201184590Y (en) | 2008-03-26 | 2008-03-26 | Combined type powder coal gasification combustion apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201184590Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101824345A (en) * | 2010-04-15 | 2010-09-08 | 河南理工大学 | Coal powder heat treatment device |
| CN102660328A (en) * | 2012-04-25 | 2012-09-12 | 邰学林 | Energy-saving environmentally-friendly secondary gasification process for gas pulverized coal |
-
2008
- 2008-03-26 CN CNU2008200205730U patent/CN201184590Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101824345A (en) * | 2010-04-15 | 2010-09-08 | 河南理工大学 | Coal powder heat treatment device |
| CN102660328A (en) * | 2012-04-25 | 2012-09-12 | 邰学林 | Energy-saving environmentally-friendly secondary gasification process for gas pulverized coal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING JULONG XINGWANG ENERGY SCIENCE AND TECHNOL Free format text: FORMER OWNER: WANG XINGDAO Effective date: 20091030 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20091030 Address after: Beijing, Tongzhou District pass on the North Road, Ma Zhuang Industrial Zone, zip code: 101100 Patentee after: Beijing Julong prosperous energy technology Co., Ltd. Address before: Shandong City, Qingdao Province, No. 293 Ningxia Road, building 4, unit three, 101, zip code: 266071 Patentee before: Wang Xingdao |
|
| ASS | Succession or assignment of patent right |
Owner name: BEIJING YINBANG WEIYE SCIENCE + TECHNOLOGY CO., LT Free format text: FORMER OWNER: BEIJING JULONG XINGWANG ENERGY TECHNOLOGY CO., LTD. Effective date: 20110712 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 101100 MAZHUANG INDUSTRIAL ZONE, NORTH OF TONGSHUN ROAD, TONGZHOU DISTRICT,BEIJING TO: 100081 ROOM 2618, BEIJINGZIYUANYANYUAN HOTEL, NO. 1, YIHEYUAN ROAD, HAIDIAN DISTRICT, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110712 Address after: 100081 Beijing city Haidian District the Summer Palace Road No. 1 Beijing resource hotel room 2618 Patentee after: Albert Technology Co., Ltd. Beijing silver States Address before: 101100, Beijing, Tongzhou District pass North Road, Ma Zhuang Industrial Zone Patentee before: Beijing Julong prosperous energy technology Co., Ltd. |
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| ASS | Succession or assignment of patent right |
Owner name: WANG XINGDAO Free format text: FORMER OWNER: BEIJING YINBANG WEIYE SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20120419 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100081 HAIDIAN, BEIJING TO: 266071 QINGDAO, SHANDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120419 Address after: Shinan District 266071 Shandong city of Qingdao province Ningxia road 293, building 4, unit 3, 101 households Patentee after: Wang Xingdao Address before: 100081 Beijing city Haidian District the Summer Palace Road No. 1 Beijing resource hotel room 2618 Patentee before: Albert Technology Co., Ltd. Beijing silver States |
|
| PP01 | Preservation of patent right |
Effective date of registration: 20120725 Granted publication date: 20090121 |
|
| CU03 | Correction of utility model patent gazette |
Correction item: Patentee Correct: Beijing Julong prosperous energy technology Co., Ltd.|101100, Beijing, Tongzhou District pass North Road, Ma Zhuang Industrial Zone False: Wang Xingdao|Shinan District 266071 Shandong city of Qingdao province Ningxia road 293, building 4, unit 3, 101 households Number: 22 Volume: 28 |
|
| ERR | Gazette correction |
Free format text: CORRECT: PATENTEE; FROM: WANG XINGDAO:266071 QINGDAO, SHANDONG PROVINCE TO: BEIJING JULONG XINGWANGENERGY TECHNOLOGY CO., LTD.:101100 TONGZHOU, BEIJING |
|
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20130725 Granted publication date: 20090121 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090121 Termination date: 20130326 |