CN201772442U - Oxygen supplementation type fume gas circulation combustion device - Google Patents
Oxygen supplementation type fume gas circulation combustion device Download PDFInfo
- Publication number
- CN201772442U CN201772442U CN2010202888433U CN201020288843U CN201772442U CN 201772442 U CN201772442 U CN 201772442U CN 2010202888433 U CN2010202888433 U CN 2010202888433U CN 201020288843 U CN201020288843 U CN 201020288843U CN 201772442 U CN201772442 U CN 201772442U
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- air
- oxygen
- flue gas
- valve
- gas recirculation
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- Y02E20/344—
Abstract
The utility model discloses an oxygen supplementation type fume gas circulation combustion device, which comprises a combustion chamber (1), an air blower (2) and a fume gas induced draft fan (3). The air blower (2) and the fume gas induced draft fan (3) are respectively connected with the combustion chamber (1) via pipelines, an air inlet of the air blower (2) is connected with a fresh air valve (22) via an air inlet pipeline, a fume outlet of the fume gas induced draft fan (3) is connected with a fume discharge air valve (32) via a fume discharging pipeline (31), the fume discharging pipeline (31) is communicated with the air inlet pipeline (21) via the fume gas circulation pipeline (32), and the air inlet pipeline (21) is connected with an output end of the oxygen supplying device (4). The oxygen supplementation type fume gas circulation combustion device can sufficiently circularly utilize heat in fume gas for combustion, and has the advantages of little fume gas discharge, little discharged waste heat and nitrogen oxide, energy conservation and environmental protection.
Description
Technical field
The utility model relates to Industrial Boiler and kiln field, the burner of a kind of Industrial Boiler of specific design and kiln.
Background technology
At present, in the combustion system of Industrial Boiler and kiln, adopting air basically is combustion adjuvant, and accounts for nearly 80% N in the air
2Be incombustible inert gas, to passivation and the diluting effect of having burnt, 500 ℃～700 ℃ the flue gas that the burning back produces carries oxynitrides and a large amount of heat.But, be that directly row, wastes energy Yi Bian therefore one time hot fume emission needed again air is heated to atmosphere basically at present to the processing method of flue gas, and contain oxynitrides and other pollutant in the flue gas, be discharged in the air and also pollute the environment.
The utility model content
The utility model is at the shortcoming of above-mentioned prior art, provide a kind of can abundant recycling flue gas in heat burn, have that fume emission is few, the waste heat got rid of and oxynitrides is few, the oxygenating type flue gas recirculation burner of energy-conserving and environment-protective.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of oxygenating type flue gas recirculation burner, comprise combustion chamber and the air blast that links to each other with the combustion chamber by pipeline respectively, smoke induced draught fan, the air intake vent of described air blast links to each other with new air air-valve by intake stack, the outlet flue of described smoke induced draught fan links to each other with the smoke evacuation air-valve by smoke discharging pipe, described smoke discharging pipe is connected by the flue gas recirculation pipeline with intake stack, and intake stack links to each other with the output of oxygen supply device.
As further improvement of the utility model:
Described flue gas recirculation pipeline is provided with the flue gas recirculation amount and regulates air-valve, and the output of described oxygen supply device is provided with the oxygen flow control valve;
It also comprises control module, be provided with the flue gas oxygen sensor that is used to detect the pressure sensor of gas pressure intensity in the pipeline and is used to detect oxygen concentration in the described flue gas recirculation pipeline, be provided with the combustion-supporting oxygen sensor that is used to detect oxygen concentration in the described intake stack, be provided with the high concentration oxygen gas sensor that is used to detect oxygen concentration between the output of described oxygen supply device and the oxygen flow control valve, the signal input part of described control module respectively with pressure sensor, the flue gas oxygen sensor, combustion-supporting oxygen sensor, the high concentration oxygen gas sensor links to each other, the control output end of described control module links to each other with the control end that smoke evacuation air-valve and flue gas recirculation amount are regulated air-valve respectively, and described control module passes through pressure sensor, the flue gas oxygen sensor, combustion-supporting oxygen sensor, the high concentration oxygen gas sensor obtains the respective detection data and controls new air air-valve, the aperture of oxygen flow control valve;
The control output end of described control module links to each other with the control end of new air air-valve, oxygen flow control valve;
Described oxygen supply device is the vacuum oxygenerator;
The inlet of described new air air-valve links to each other with air cleaner.
The utlity model has following advantage: the utility model carries out mixture of oxygen by flue gas recirculation and reenters combustion chambers burn, can abundant recycling flue gas in heat burn, have that fume emission is few, the waste heat got rid of and oxynitrides is few, the advantage of energy-conserving and environment-protective.The new air capacity that control module can be controlled flue gas recirculation amount, combustion-supporting oxygen output quantity automatically and enter by each sensor reduces oxygen use amount and smoke discharge amount substantially; Air cleaner can increase the degree of purity that enters air, can reduce the injury to valve body, the service life of prolongation valve body, reduces the discharging of burning after stain thing.
Description of drawings
Fig. 1 is the principle schematic of the utility model embodiment.
The specific embodiment
As shown in Figure 1, the oxygenating type flue gas recirculation burner of present embodiment comprises combustion chamber 1 and the air blast 2 that links to each other with combustion chamber 1 by pipeline respectively, smoke induced draught fan 3, the air intake vent of air blast 2 links to each other with new air air-valve 22 by intake stack 21, the outlet flue of smoke induced draught fan 3 links to each other with smoke evacuation air-valve 32 by smoke discharging pipe 31, smoke discharging pipe 31 is connected by flue gas recirculation pipeline 32 with intake stack 21, and intake stack 21 links to each other with the output of oxygen supply device 4.
In the present embodiment, flue gas recirculation pipeline 32 is provided with the flue gas recirculation amount and regulates air-valve 321, and the output of oxygen supply device 4 is provided with oxygen flow control valve 41, and oxygen supply device 4 is the vacuum oxygenerator, and the inlet of new air air-valve 22 links to each other with air cleaner 6.
Present embodiment also comprises control module 5, be provided with the flue gas oxygen sensor 323 that is used to detect the pressure sensor 322 of gas pressure intensity in the pipeline and is used to detect oxygen concentration in the flue gas recirculation pipeline 32, be provided with the combustion-supporting oxygen sensor 211 that is used to detect oxygen concentration in the intake stack 21, be provided with the high concentration oxygen gas sensor 42 that is used to detect oxygen concentration between the output of oxygen supply device 4 and the oxygen flow control valve 41, the signal input part of control module 5 respectively with pressure sensor 322, flue gas oxygen sensor 323, combustion-supporting oxygen sensor 211, high concentration oxygen gas sensor 42 links to each other, the control output end of control module 5 links to each other with the control end that smoke evacuation air-valve 32 and flue gas recirculation amount are regulated air-valve 321 respectively, and control module 5 is by pressure sensor 322, flue gas oxygen sensor 323, combustion-supporting oxygen sensor 211, high concentration oxygen gas sensor 42 obtains the respective detection data and controls new air air-valve 22, the aperture of oxygen flow control valve 41.In addition, the control output end of control module 5 links to each other with the control end of new air air-valve 22, oxygen flow control valve 41.
Operation principle of the present utility model is as follows: new air is after air cleaner 6 filters, send into combustion chamber 1 through intake stack 21 by air blast 2, become flue gas in the combustion chamber after 1 burning, be drawn to smoke discharging pipe 31 by smoke induced draught fan 3, control by smoke evacuation air-valve 32, partial fume is discharged from chimney, partial fume enters flue gas recirculation pipeline 32, circulating flue gas is as the dilution passivation gas in when burning, airborne nitrogen when being equivalent to generally be combustion-supporting gas with air, after the oxygen mix of vacuum oxygenerator output, once more by intake stack 21 and send into the combustion chamber by air blast 2 and burn once more.Control module 5 is according to pressure sensor 322, flue gas oxygen sensor 323, combustion-supporting oxygen sensor 211, the new air air-valve 22 of data in real time adjustment of high concentration oxygen gas sensor 42 outputs, the aperture of oxygen flow control valve 41, thereby realization realizes recycling substantially flue gas with minimum oxygen use amount.
The above only is a preferred implementation of the present utility model, and protection domain of the present utility model is not limited in above-mentioned embodiment, and every technical scheme that belongs to the utility model principle all belongs to protection domain of the present utility model.For a person skilled in the art, some improvements and modifications of under the prerequisite that does not break away from principle of the present utility model, carrying out, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. oxygenating type flue gas recirculation burner, comprise combustion chamber (1) and the air blast (2) that links to each other with combustion chamber (1) by pipeline respectively, smoke induced draught fan (3), it is characterized in that: the air intake vent of described air blast (2) links to each other with new air air-valve (22) by intake stack (21), the outlet flue of described smoke induced draught fan (3) links to each other with smoke evacuation air-valve (32) by smoke discharging pipe (31), described smoke discharging pipe (31) is connected by flue gas recirculation pipeline (32) with intake stack (21), and intake stack (21) links to each other with the output of oxygen supply device (4).
2. oxygenating type flue gas recirculation burner according to claim 1, it is characterized in that: described flue gas recirculation pipeline (32) is provided with the flue gas recirculation amount and regulates air-valve (321), and the output of described oxygen supply device (4) is provided with oxygen flow control valve (41).
3. oxygenating type flue gas recirculation burner according to claim 2, it is characterized in that: it also comprises control module (5), be provided with the flue gas oxygen sensor (323) that is used to detect the pressure sensor (322) of gas pressure intensity in the pipeline and is used to detect oxygen concentration in the described flue gas recirculation pipeline (32), be provided with the combustion-supporting oxygen sensor (211) that is used to detect oxygen concentration in the described intake stack (21), be provided with the high concentration oxygen gas sensor (42) that is used to detect oxygen concentration between the output of described oxygen supply device (4) and the oxygen flow control valve (41), the signal input part of described control module (5) respectively with pressure sensor (322), flue gas oxygen sensor (323), combustion-supporting oxygen sensor (211), high concentration oxygen gas sensor (42) links to each other, the control output end of described control module (5) links to each other with the control end that smoke evacuation air-valve (32) and flue gas recirculation amount are regulated air-valve (321) respectively, and described control module (5) is by pressure sensor (322), flue gas oxygen sensor (323), combustion-supporting oxygen sensor (211), high concentration oxygen gas sensor (42) obtains the respective detection data and controls new air air-valve (22), the aperture of oxygen flow control valve (41).
4. oxygenating type flue gas recirculation burner according to claim 3 is characterized in that: the control output end of described control module (5) links to each other with the control end of new air air-valve (22), oxygen flow control valve (41).
5. according to claim 1 or 2 or 3 or 4 described oxygenating type flue gas recirculation burners, it is characterized in that: described oxygen supply device (4) is the vacuum oxygenerator.
6. according to claim 1 or 2 or 3 or 4 described oxygenating type flue gas recirculation burners, it is characterized in that: the inlet of described new air air-valve (22) links to each other with air cleaner (6).
7. oxygenating type flue gas recirculation burner according to claim 5 is characterized in that: the inlet of described new air air-valve (22) links to each other with air cleaner (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202888433U CN201772442U (en) | 2010-08-12 | 2010-08-12 | Oxygen supplementation type fume gas circulation combustion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202888433U CN201772442U (en) | 2010-08-12 | 2010-08-12 | Oxygen supplementation type fume gas circulation combustion device |
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| Publication Number | Publication Date |
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| CN201772442U true CN201772442U (en) | 2011-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202888433U Expired - Fee Related CN201772442U (en) | 2010-08-12 | 2010-08-12 | Oxygen supplementation type fume gas circulation combustion device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374525A (en) * | 2010-08-12 | 2012-03-14 | 上海尚实能源科技有限公司 | Oxygen-supplementation-type fume gas circulation combustion device |
| CN106545846A (en) * | 2015-09-17 | 2017-03-29 | 鞍钢股份有限公司 | A kind of low NO of heating furnacexFlue gas recirculation oxygen-enriched burning device and method |
| CN111795583A (en) * | 2020-07-21 | 2020-10-20 | 湖北鼎博丰新能源发展有限公司 | Natural gas industrial kiln multi-oxygen combustion flue gas recirculation system |
| CN112833677A (en) * | 2020-12-27 | 2021-05-25 | 上海交通大学 | Carbon anode roasting pre-purification process based on flue gas circulation |
| CN116576683A (en) * | 2023-05-15 | 2023-08-11 | 广东维正环保机电工程有限公司 | Environment-friendly energy-saving system for graphite production |
-
2010
- 2010-08-12 CN CN2010202888433U patent/CN201772442U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374525A (en) * | 2010-08-12 | 2012-03-14 | 上海尚实能源科技有限公司 | Oxygen-supplementation-type fume gas circulation combustion device |
| CN106545846A (en) * | 2015-09-17 | 2017-03-29 | 鞍钢股份有限公司 | A kind of low NO of heating furnacexFlue gas recirculation oxygen-enriched burning device and method |
| CN111795583A (en) * | 2020-07-21 | 2020-10-20 | 湖北鼎博丰新能源发展有限公司 | Natural gas industrial kiln multi-oxygen combustion flue gas recirculation system |
| CN112833677A (en) * | 2020-12-27 | 2021-05-25 | 上海交通大学 | Carbon anode roasting pre-purification process based on flue gas circulation |
| CN116576683A (en) * | 2023-05-15 | 2023-08-11 | 广东维正环保机电工程有限公司 | Environment-friendly energy-saving system for graphite production |
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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: SHANGHAI SHANGSHI ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: WANG SHIZHU Effective date: 20110422 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 221400 NO. 34, XINGANG LANE, XINYI CITY, JIANGSU PROVINCE TO: 200040 ROOM 313, BUILDING 2, NO. 738, GUANGJI ROAD, HONGKOU DISTRICT, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110422 Address after: 200040, room 2, building 738, 313 Guang Ji Road, Shanghai, Hongkou District Patentee after: Shang ShangShi Energy Technology Co., Ltd. Address before: 221400 No. 34, Xingang lane, Xinyi, Jiangsu Patentee before: Wang Shizhu |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110323 Termination date: 20110812 |