CN209893444U - Boiler device capable of reducing emission of nitrogen oxides and particulate matters - Google Patents
Boiler device capable of reducing emission of nitrogen oxides and particulate matters Download PDFInfo
- Publication number
- CN209893444U CN209893444U CN201920764555.1U CN201920764555U CN209893444U CN 209893444 U CN209893444 U CN 209893444U CN 201920764555 U CN201920764555 U CN 201920764555U CN 209893444 U CN209893444 U CN 209893444U
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- China
- Prior art keywords
- boiler
- connecting pipe
- smoke
- flue gas
- dust remover
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- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 239000000779 smoke Substances 0.000 claims abstract description 26
- 239000000428 dust Substances 0.000 claims abstract description 25
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 14
- 239000013618 particulate matter Substances 0.000 claims abstract description 13
- 238000002485 combustion reaction Methods 0.000 claims abstract description 11
- 239000010438 granite Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000002245 particle Substances 0.000 claims abstract description 4
- 239000002893 slag Substances 0.000 claims abstract description 4
- 239000003245 coal Substances 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 44
- 239000003546 flue gas Substances 0.000 abstract description 44
- 230000000694 effects Effects 0.000 description 8
- 230000007613 environmental effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
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- Treating Waste Gases (AREA)
- Chimneys And Flues (AREA)
Abstract
The utility model discloses a boiler device capable of reducing nitrogen oxide and particulate matter emission, which comprises a boiler, an economizer connected with the boiler, a water bath granite dust remover connected with the economizer through a first connecting pipe, an exhaust fan connected with the water bath granite dust remover through a second connecting pipe, and an air blower connected with the exhaust fan through a third connecting pipe, wherein the air blower is connected with the boiler through a fourth connecting pipe, the air blower mixes recovered flue gas returning from the exhaust fan with fresh air and pumps the mixed flue gas into the boiler so as to realize secondary combustion of the flue gas and reduce the nitrogen oxide content of the finally discharged flue gas; the boiler device also comprises a desulfurizing tower which is connected with the smoke exhaust machine through a fifth connecting pipe and can carry out a desulfurizing process on the smoke, a pulse bag-type dust remover which is connected with the desulfurizing tower through a sixth connecting pipe and can secondarily remove particles in the smoke, and a chimney which is connected with the pulse bag-type dust remover through a seventh connecting pipe; a slag extractor is arranged at the side of the boiler.
Description
Technical Field
The utility model relates to a chemical industry equipment's technical field, in particular to can reduce boiler plant that nitrogen oxide and particulate matter discharged.
Background
In the chemical industry field, the flue gas that boiler plant produced in the combustion process contains harmful substance such as nitrogen oxide, particulate matter usually, can cause the pollution to the environment, endangers the health, therefore can discharge after need handling the flue gas. The traditional old structural design of the existing boiler device is complex and complicated in flue gas treatment process, so that the manufacturing cost of the boiler device is very high. In addition, the existing boiler device has insufficient combustion and low combustion efficiency, the concentration of nitrogen oxides in the generated smoke is higher, the clearing effect on particulate matters in the existing boiler device is general, the purifying effect on the smoke is not good enough, the discharged smoke cannot reach the environmental protection standard, and the atmosphere is easily polluted.
Therefore, how to realize a novel structure reasonable, flue gas treatment process design layout is reasonable, effectively simplify the structure of equipment, effectively reduce the cost of equipment, carry out the postcombustion in order to reduce nitrogen oxide's in the flue gas by a wide margin content to the flue gas, carry out the secondary to the flue gas and remove dust in order to reduce particulate matter content by a wide margin, be equipped with multiple purifier, the purifying effect is ideal, and the heat of recoverable high temperature flue gas, energy-concerving and environment-protective has really been realized, the boiler plant who avoids polluting the atmospheric environment is the technological problem of waiting urgently to solve in industry.
Disclosure of Invention
The utility model aims at providing a can reduce boiler plant of nitrogen oxide and particulate matter emission, it is reasonable to aim at realizing a novel structure, flue gas treatment process design layout is reasonable, effectively simplify the structure of equipment, effectively reduce the cost of equipment, carry out the postcombustion in order to reduce the content of nitrogen oxide in the flue gas by a wide margin to the flue gas, carry out the secondary to the flue gas and remove dust in order to reduce the particulate matter content by a wide margin, be equipped with multiple purifier, the purifying effect ideal, and the heat of recoverable high temperature flue gas, energy-concerving and environment-protective has really been realized, avoid polluting the boiler plant of atmospheric environment.
The utility model provides a can reduce boiler plant that nitrogen oxide and particulate matter discharged, including the boiler, the economizer of the heat of the high temperature flue gas that can absorb produced by the boiler that is connected with the boiler, the water bath granite dust remover that can get rid of the particulate matter in the flue gas that is connected through first connecting pipe and economizer, the induced-draft fan that is connected through second connecting pipe and water bath granite dust remover, the air-blower that is connected through third connecting pipe and induced-draft fan, the air-blower is connected with the boiler through the fourth connecting pipe, the air-blower mixes together the recovery flue gas that flows back from the induced-draft fan with fresh air and pumps into the boiler so that realize the secondary combustion of flue gas and then reduce the nitrogen oxide content of final exhaust flue gas; the boiler device also comprises a desulfurizing tower which is connected with the smoke exhaust machine through a fifth connecting pipe and can carry out a desulfurizing process on the smoke, a pulse bag-type dust remover which is connected with the desulfurizing tower through a sixth connecting pipe and can secondarily remove particles in the smoke, and a chimney which is connected with the pulse bag-type dust remover through a seventh connecting pipe; a slag extractor is arranged at the side of the boiler.
Preferably, the third connecting pipe is provided with an air flow regulating valve.
The utility model discloses a novel structure is reasonable, and flue gas treatment process design is rationally distributed, effectively simplifies the structure of equipment, effectively reduces the cost of equipment, carries out the postcombustion in order to reduce nitrogen oxide's in the flue gas content by a wide margin to the flue gas, carries out the secondary to the flue gas and removes dust in order to reduce particulate matter content by a wide margin, is equipped with multiple purifier, and the purifying effect ideal, and the heat of recoverable high temperature flue gas, really realized energy-concerving and environment-protective, avoid polluting the boiler plant of atmospheric environment.
Drawings
Fig. 1 is a schematic top view of an embodiment of a boiler apparatus according to the present invention, which can reduce the emission of nitrogen oxides and particulate matters.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, an embodiment of the utility model discloses a can reduce boiler plant of nitrogen oxide and particulate matter emission is proposed, including boiler 101, the economizer 102 of the heat of the high temperature flue gas that can be produced by boiler 101 of being connected with boiler 101, the water bath granite dust remover 104 of particulate matter in the flue gas that can get rid of that is connected with economizer 102 through first connecting pipe 103, induced-draft fan 106 that carries out being connected with water bath granite dust remover 104 through second connecting pipe 105, air-blower 108 that carries out being connected with induced-draft fan 106 through third connecting pipe 107, air-blower 108 is connected with boiler 101 through fourth connecting pipe 109, thereby air-blower 108 will be from the recovery flue gas that induced-draft fan 106 department backward with the fresh air mix together and pump into boiler 101 in thereby realize the secondary combustion of flue gas and reduce the nitrogen oxide content of the final exhaust flue gas. The boiler device further comprises a desulfurizing tower 111 which is connected with the smoke exhaust machine 106 through a fifth connecting pipe 110 and can carry out a desulfurizing process on the smoke, a pulse bag-type dust remover 113 which is connected with the desulfurizing tower 111 through a sixth connecting pipe 112 and can remove particles in the smoke for the second time, and a chimney 115 which is connected with the pulse bag-type dust remover 113 through a seventh connecting pipe 114.
The boiler device has novel and reasonable structural design, carries out reasonable design layout on the treatment process of the flue gas, and effectively simplifies the structure of the boiler device, thereby effectively reducing the cost of the boiler device. In addition, a third connecting pipe 107 and a fifth connecting pipe 110 are connected to the smoke exhaust machine 106 of the boiler device, the third connecting pipe 107 is connected with an air blower 108, recovered smoke returning from the smoke exhaust machine 106 and fresh air are mixed together by the air blower 108 and pumped into the boiler 101, so that secondary combustion of the smoke is realized, the combustion of the boiler 101 is sufficient, the combustion efficiency is effectively improved, the content of nitrogen oxides in the smoke after secondary combustion can be greatly reduced, the discharged smoke reaches the environmental protection standard, and the pollution to the atmospheric environment is avoided; moreover, the boiler device is provided with the water bath granite dust remover 104 and the pulse bag dust remover 113, secondary dust removal is carried out on the flue gas, particulate matters in the flue gas are effectively removed, and the dust removal effect is ideal; in addition, the boiler device is also provided with a desulfurizing tower 111 for desulfurizing the flue gas; in addition, the boiler 101 of the boiler device is connected with the coal economizer 102, and the coal economizer 102 can absorb the heat of high-temperature flue gas generated by the boiler 101, so that the boiler device is energy-saving and environment-friendly. Therefore, the boiler device is provided with multiple purification devices to purify the flue gas, has ideal purification effect, can recover the heat of the high-temperature flue gas, really realizes energy conservation and environmental protection, and avoids polluting the atmospheric environment.
A slag tapping machine 116 is arranged at the side of the boiler 101.
An air flow regulating valve 117 is provided on the third connecting pipe 107.
The utility model discloses a novel structure is reasonable, and flue gas treatment process design is rationally distributed, effectively simplifies the structure of equipment, effectively reduces the cost of equipment, carries out the postcombustion in order to reduce nitrogen oxide's in the flue gas content by a wide margin to the flue gas, carries out the secondary to the flue gas and removes dust in order to reduce particulate matter content by a wide margin, is equipped with multiple purifier, and the purifying effect ideal, and the heat of recoverable high temperature flue gas, really realized energy-concerving and environment-protective, avoid polluting the boiler plant of atmospheric environment.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structural changes made by the contents of the specification and the drawings, or the direct or indirect application in other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (2)
1. A boiler device capable of reducing emission of nitrogen oxides and particulate matters is characterized by comprising a boiler, a coal economizer, a water bath granite dust remover, an exhaust fan and an air blower, wherein the coal economizer is connected with the boiler and can absorb heat of high-temperature smoke generated by the boiler, the water bath granite dust remover is connected with the coal economizer through a first connecting pipe and can remove particulate matters in the smoke, the exhaust fan is connected with the water bath granite dust remover through a second connecting pipe, the air blower is connected with the exhaust fan through a third connecting pipe, the air blower mixes recovered smoke flowing back from the exhaust fan with fresh air and pumps the mixture into the boiler, so that secondary combustion of the smoke is realized, and the content of the nitrogen oxides in the finally discharged smoke is reduced; the boiler device also comprises a desulfurizing tower which is connected with the smoke exhaust machine through a fifth connecting pipe and can carry out a desulfurizing process on the smoke, a pulse bag-type dust remover which is connected with the desulfurizing tower through a sixth connecting pipe and can secondarily remove particles in the smoke, and a chimney which is connected with the pulse bag-type dust remover through a seventh connecting pipe; a slag extractor is arranged at the side of the boiler.
2. The boiler plant for reducing the emission of nitrogen oxides and particulate matter according to claim 1, wherein the third connecting pipe is provided with a gas flow regulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920764555.1U CN209893444U (en) | 2019-05-27 | 2019-05-27 | Boiler device capable of reducing emission of nitrogen oxides and particulate matters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920764555.1U CN209893444U (en) | 2019-05-27 | 2019-05-27 | Boiler device capable of reducing emission of nitrogen oxides and particulate matters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209893444U true CN209893444U (en) | 2020-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920764555.1U Active CN209893444U (en) | 2019-05-27 | 2019-05-27 | Boiler device capable of reducing emission of nitrogen oxides and particulate matters |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209893444U (en) |
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2019
- 2019-05-27 CN CN201920764555.1U patent/CN209893444U/en active Active
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