CN218221703U - Multi-level processing system for high-temperature dust-containing waste gas - Google Patents
Multi-level processing system for high-temperature dust-containing waste gas Download PDFInfo
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- CN218221703U CN218221703U CN202222692075.3U CN202222692075U CN218221703U CN 218221703 U CN218221703 U CN 218221703U CN 202222692075 U CN202222692075 U CN 202222692075U CN 218221703 U CN218221703 U CN 218221703U
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- purifier
- flue gas
- circulating water
- waste gas
- spraying
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- 239000002912 waste gas Substances 0.000 title claims abstract description 35
- 239000000428 dust Substances 0.000 title claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 238000005507 spraying Methods 0.000 claims abstract description 47
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 239000003546 flue gas Substances 0.000 claims abstract description 30
- 238000000926 separation method Methods 0.000 claims abstract description 29
- 238000004064 recycling Methods 0.000 claims abstract description 24
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000011282 treatment Methods 0.000 claims abstract description 20
- 238000005406 washing Methods 0.000 claims abstract description 20
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 239000010865 sewage Substances 0.000 claims abstract description 4
- 239000002351 wastewater Substances 0.000 claims abstract description 4
- 239000007921 spray Substances 0.000 claims description 8
- 238000007667 floating Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 3
- 239000010802 sludge Substances 0.000 claims description 3
- 239000002244 precipitate Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 11
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000009991 scouring Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011221 initial treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- Treating Waste Gases (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
The utility model discloses a multi-level processing system of high temperature dusty waste gas, this system includes: the waste gas treatment system comprises a flue gas-flue gas reheater, a pre-spraying device, a supergravity purifier, a spraying washing tower and a wet-type electric catching purifier which are sequentially connected; the circulating water recycling system comprises a solid-liquid separation circulating water tank, wherein a sewage-containing wastewater inlet of the solid-liquid separation circulating water tank is respectively connected with a pre-spraying device, a super-gravity purifier, a spraying washing tower and a wet-type electric catching purifier through pipelines, and separated water is conveyed to the pre-spraying device, the super-gravity purifier and the spraying washing tower for recycling; the clean flue gas recycling and discharging system comprises a centrifugal fan, wherein the centrifugal fan is connected to a wet-type electric catching purifier, and the treated waste gas is discharged into a flue gas-flue gas reheater for heat exchange and then discharged. The utility model has the advantages of high efficiency, energy conservation, low operating cost, simple installation, good treatment effect and strong pertinence.
Description
Technical Field
The utility model relates to a technical field is administered to the abandonment, specifically relates to a multi-level processing system of high temperature dusty waste gas.
Background
The waste gas discharged from various industrial furnaces and kilns in the industries of metallurgy, machinery, chemical industry, electric power and the like has high temperature and contains a large amount of dust and harmful gas, and is one of the main factors causing environmental pollution. Under the condition of high temperature, because the viscosity of the waste gas is greatly changed, the humidity is greatly reduced, and the fine particle agglomeration phenomenon is greatly reduced, the separation of the fine particles is more difficult. The bag-type dust collector cannot bear the high temperature of waste gas, and the wet dust collection cannot comprehensively utilize the heat energy of the waste gas; the electrostatic dust collection has the problems of high one-time investment, large occupied area, insulation and the like.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims to provide a high temperature dirty waste gas multi-level processing system of one set of high efficiency, energy-conservation, low working costs, installation simple, the treatment effect good, with strong points.
The utility model discloses a realize through following technical scheme:
according to the utility model discloses an aspect provides a multi-level processing system of high temperature dirty waste gas, and this system includes:
the waste gas treatment system comprises a flue gas-flue gas reheater, a pre-spraying device, a supergravity purifier, a spraying washing tower and a wet-type electric catching purifier which are sequentially connected; the flue gas-flue gas reheater heats the dedusted clean flue gas by using the original flue gas, so that the temperature of the flue gas reaches above a dew point, and simultaneously, the temperature of the flue gas entering the pre-spraying device is reduced;
the circulating water recycling system comprises a solid-liquid separation circulating water tank, wherein a sewage-containing wastewater inlet of the solid-liquid separation circulating water tank is respectively connected with a pre-spraying device, a super-gravity purifier, a spray washing tower and a wet-type electric capture purifier through pipelines, and water separated from the solid-liquid separation circulating water tank is conveyed to the pre-spraying device, the super-gravity purifier and the spray washing tower for recycling;
the clean flue gas recycling and discharging system comprises a centrifugal fan, wherein the centrifugal fan is connected to a wet-type electric catching purifier, and the treated waste gas is discharged into a flue gas-flue gas reheater for heat exchange and then discharged.
Furthermore, the circulating water recycling system also comprises a cooling tower connected with the solid-liquid separation circulating water tank.
Furthermore, the circulating water recycling system also comprises a circulating pump set connected with the solid-liquid separation circulating water tank, and the circulating pump set is used for pumping separated water to the pre-spraying device, the super-gravity purifier and the spraying and washing tower for recycling.
Furthermore, circulating water in the supergravity purifier is thrown to the inner surface of the shell by centrifugal force generated by high-speed rotation of the rotary core in the rotary core so as to dissolve substances with density higher than that of air separated in a supergravity centrifugal mode.
Furthermore, the circulating water recycling system also comprises a spray pump set connected with the solid-liquid separation circulating water tank, and the spray pump set is used for pumping the separated water to the wet electric catching purifier for recycling.
Furthermore, a spraying system with water is arranged at the top of the wet-type electric catching purifier and is connected with the spraying pump set.
Furthermore, dust captured on the dust collecting plate in the wet electric capture purifier is flushed to an ash bucket and discharged outside.
Furthermore, an automatic floating object salvaging device is arranged on the solid-liquid separation circulating water tank.
Furthermore, the multi-level processing system of high temperature dusty waste gas still include the sludge impoundment for hold solid-liquid separation circulation tank exhaust sediment.
Compared with the prior art, the utility model discloses at least one's following beneficial effect has:
1. the water in the system is recycled, and the water consumption is reduced.
2. The GGH heats the clean flue gas after dust removal by using the original flue gas, so that the temperature of the flue gas reaches above the dew point, the corrosion to an inlet flue and a chimney is reduced, and the diffusion degree of pollutants is improved; simultaneously, the temperature of the flue gas entering the pre-spraying device is reduced, and the dust removal difficulty is reduced.
3. Circulating water in the hypergravity clarifier is got rid of to the casing internal surface by the centrifugal force that changes the high-speed rotatory production of core inside the core, forms powerful scouring force, consequently does not have the particulate matter to persist in changeing the core to the inside structure phenomenon that can not take place all the time of casing.
4. The wet electric catching purifier can remove water vapor and certain toxic and harmful gas pollutants in the gas while removing dust particles in the dust-containing gas. Therefore, the wet-type electric catching purifier can not only remove dust, but also treat waste gas.
5. The equipment has high treatment efficiency, low operating cost and simple and convenient operation and management.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic view of a multi-level treatment system for high-temperature dusty waste gas according to an embodiment of the present invention;
in the figure: 1-GGH, 2-pre-spraying device, 3-super-gravity purifier, 4-spraying washing tower, 5-wet electric catching purifier, 6-centrifugal fan, 7-circulating pump set, 8-spraying pump set, 9-solid-liquid separation circulating water tank, 10-automatic floating object salvaging device and 11-cooling tower.
Detailed Description
The present invention will be described in detail with reference to specific embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
The embodiment of the utility model provides a multi-level processing system of high temperature dusty waste gas, refer to fig. 1, this system includes exhaust-gas treatment system, circulating water recycling system and clean flue gas retrieval and utilization discharge system, wherein:
the waste gas treatment system comprises a flue gas-flue gas reheater GGH (1), a pre-spraying device (2), a super-gravity purifier (3), a spraying washing tower (4) and a wet-type electric-catching purifier (5) which are connected in sequence;
the circulating water recycling system comprises a solid-liquid separation circulating water tank (9), a circulating pump set (7), a cooling tower (11), an automatic floater salvaging device (10) and a spraying pump set (8);
the clean flue gas recycling and discharging system comprises a centrifugal fan (6).
The GGH (1) is provided with a waste gas inlet and a waste gas outlet, and the purified flue gas after dust removal is heated by using the original flue gas, so that the temperature of the flue gas reaches above the dew point, the corrosion to an inlet flue and a chimney is reduced, and the diffusion degree of pollutants is improved; meanwhile, the temperature of the flue gas entering the pre-spraying device (2) is reduced, and the dust removal difficulty is reduced.
The pre-spraying device (2) is positioned behind the GGH (1), and can humidify the gas and carry out primary treatment on substances in the gas.
After the supergravity purifier (3) is positioned in the pre-spraying device (2), substances with mass density higher than that of air, such as aerosol, particle fog and the like in the air, are separated in a supergravity centrifugal mode, and the separated substances are dissolved in water or are in contact with the water to form a mixture, so that the aim of purifying the gas is fulfilled. In addition, the circulating water in hypergravity clarifier (3) is got rid of to the casing internal surface by the centrifugal force that changes the high-speed rotatory production of core inside the core, forms powerful scouring force, consequently does not have the particulate matter to persist in changeing the core to the inside structure phenomenon that can not take place all the time of casing.
The spray washing tower (4) is positioned behind the hypergravity purifier (3), and the liquid phase nozzle is adopted to atomize the washing liquid into fine liquid drops which are uniformly dispersed in the gas phase, so that the specific surface area of the liquid phase is increased, the probability of collision and dust interception is favorably improved, and higher dust removal efficiency is achieved.
And the wet type electric catching purifier (5) is positioned behind the spray washing tower (4), high-voltage corona discharge is carried out to charge dust or water mist, charged particles reach the dust collecting plate under the action of an electric field force, a scouring liquid is adopted to wash the electrode, and the dust captured on the dust collecting plate is flushed into the ash bucket and then is discharged. In order to ensure the wet electric capture, a spraying system with water is arranged at the top, and a matched spraying pump set (8) is arranged.
And the centrifugal fan (6) is connected to the wet-type electric catching purifier (5) and discharges the treated waste gas into the GGH (1) for heat exchange and then discharges the waste gas.
The solid-liquid separation circulating water tank (9) is connected with the pre-spraying device (2), the supergravity purifier (3), the spraying washing tower (4) and the wet-type electric catching purifier (5) through pipelines, and sewage-containing wastewater is separated through the solid-liquid separation circulating water tank (9).
The cooling tower (11) is connected with the solid-liquid separation circulating water tank (9).
And the circulating pump group (7) is connected with the solid-liquid separation circulating water tank (9) and pumps the separated water to the pre-spraying device (2), the super-gravity purifier (3) and the spraying washing tower (4) for recycling.
And the spraying pump set (8) is connected with the solid-liquid separation circulating water tank (9) and pumps the separated water to the wet-type electric catching purifier (5) for recycling.
The automatic floating object salvaging device (10) is arranged on the solid-liquid separation circulating water tank (9).
And a precipitate outlet of the solid-liquid separation circulating water tank (9) is connected with a sludge tank.
With reference to fig. 1, the multi-layer treatment system for high-temperature dusty exhaust gas in the above embodiment is used, and the specific process flow of the exhaust gas treatment is as follows:
waste gas enters the GGH (1), sequentially passes through the pre-spraying device (2), the hypergravity purifier (3), the spraying washing tower (4) and the wet-type electric catching purifier (5), returns to the GGH91 through the centrifugal fan (6) to exchange heat and is then discharged. Water is recycled among the pre-spraying device (2), the super-gravity purifier (3), the spraying washing tower (4) and the wet electric catching purifier (5) through a solid-liquid separation circulating water tank (9), sediment is discharged, and floating objects are automatically salvaged and discharged through an automatic floating object salvaging device (10).
The foregoing descriptions have been directed to embodiments of the present invention. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (9)
1. The utility model provides a multi-level processing system of high temperature dirty waste gas which characterized in that includes:
the waste gas treatment system comprises a flue gas-flue gas reheater, a pre-spraying device, a supergravity purifier, a spraying washing tower and a wet-type electric catching purifier which are sequentially connected; the flue gas-flue gas reheater heats the clean flue gas after dust removal by using the original flue gas, so that the temperature of the flue gas reaches above a dew point, and meanwhile, the temperature of the flue gas entering the pre-spraying device is reduced;
the circulating water recycling system comprises a solid-liquid separation circulating water tank, wherein a sewage-containing wastewater inlet of the solid-liquid separation circulating water tank is respectively connected with a pre-spraying device, a supergravity purifier, a spraying washing tower and a wet-type electric catching purifier through pipelines, and water separated from the solid-liquid separation circulating water tank is conveyed to the pre-spraying device, the supergravity purifier and the spraying washing tower for recycling;
the clean flue gas recycling and discharging system comprises a centrifugal fan, wherein the centrifugal fan is connected to a wet-type electric catching purifier, and discharges the treated waste gas into a flue gas-flue gas reheater for heat exchange and then discharging.
2. The multi-level treatment system for the high-temperature dusty waste gas according to claim 1, wherein the circulating water recycling system further comprises a cooling tower connected with the solid-liquid separation circulating water tank.
3. The multi-level treatment system for the high-temperature dusty waste gas according to claim 1, wherein the circulating water recycling system further comprises a circulating pump unit connected with the solid-liquid separation circulating water tank, and the circulating pump unit respectively pumps the separated water to the pre-spraying device, the supergravity purifier and the spraying and washing tower for recycling.
4. The multi-layer treatment system for high-temperature dusty waste gas as claimed in claim 1, wherein the circulating water in the supergravity purifier is thrown to the inner surface of the shell by the centrifugal force generated by the high-speed rotation of the rotary core inside the rotary core so as to dissolve the substances with density higher than that of air separated by the supergravity centrifugal mode.
5. The multi-level treatment system for the high-temperature dusty waste gas according to claim 1, wherein the circulating water recycling system further comprises a spray pump group connected with the solid-liquid separation circulating water tank, and the spray pump group is used for pumping separated water to the wet electric capture purifier for recycling.
6. The multi-level treatment system for the high-temperature dusty waste gas as claimed in claim 5, wherein a water-carrying operation spraying system is arranged at the top of the wet electric capture purifier and is connected with the spraying pump group.
7. The multi-level treatment system for the high-temperature dust-containing waste gas as claimed in claim 1, wherein the dust captured on the dust collecting plate in the wet electric capture purifier is flushed to an ash hopper and discharged outside.
8. The multi-level treatment system for the high-temperature dusty waste gas as claimed in claim 1, wherein an automatic floating object salvaging device is arranged on the solid-liquid separation circulating water tank.
9. The multi-level high-temperature dusty waste gas treatment system according to claim 1, further comprising a sludge tank for containing the precipitate discharged from the solid-liquid separation circulation water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222692075.3U CN218221703U (en) | 2022-10-12 | 2022-10-12 | Multi-level processing system for high-temperature dust-containing waste gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222692075.3U CN218221703U (en) | 2022-10-12 | 2022-10-12 | Multi-level processing system for high-temperature dust-containing waste gas |
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| CN218221703U true CN218221703U (en) | 2023-01-06 |
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| CN202222692075.3U Active CN218221703U (en) | 2022-10-12 | 2022-10-12 | Multi-level processing system for high-temperature dust-containing waste gas |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116197200A (en) * | 2023-02-08 | 2023-06-02 | 铜陵有色金属集团股份有限公司 | Washing device for dust-containing waste gas and using method thereof |
| CN117101271A (en) * | 2023-08-25 | 2023-11-24 | 成都兴鑫悦环保技术开发有限公司 | VOCs complete set processing system |
-
2022
- 2022-10-12 CN CN202222692075.3U patent/CN218221703U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116197200A (en) * | 2023-02-08 | 2023-06-02 | 铜陵有色金属集团股份有限公司 | Washing device for dust-containing waste gas and using method thereof |
| CN117101271A (en) * | 2023-08-25 | 2023-11-24 | 成都兴鑫悦环保技术开发有限公司 | VOCs complete set processing system |
| CN117101271B (en) * | 2023-08-25 | 2024-03-22 | 成都兴鑫悦环保技术开发有限公司 | VOCs complete set processing system |
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