CN210522239U - System for multiple pollutant of integration desorption in coordination is sprayed in tympanic bulla - Google Patents
System for multiple pollutant of integration desorption in coordination is sprayed in tympanic bulla Download PDFInfo
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- CN210522239U CN210522239U CN201920692386.5U CN201920692386U CN210522239U CN 210522239 U CN210522239 U CN 210522239U CN 201920692386 U CN201920692386 U CN 201920692386U CN 210522239 U CN210522239 U CN 210522239U
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Abstract
The utility model discloses a tympanic bulla sprays system of integration multiple pollutant of desorption in coordination belongs to the industry flue gas and handles the field. The system comprises a left bubble tower and a right spray tower, wherein a left slurry pool is arranged in the left bubble tower, a right slurry pool is arranged in the right spray tower, and the left slurry pool is communicated with the right slurry pool; a bubbling channel is also arranged in the bubbling tower at the left side, the bottom end of the bubbling channel is positioned in the slurry tank at the left side, and the slurry tank at the left sideThe upper side of the slurry tank is provided with a left slurry spraying layer, the upper side of the right slurry tank is provided with a right slurry spraying layer, and the upper side of the right slurry spraying layer is provided with a high-efficiency dedusting and demisting device. The utility model discloses a combine the integration configuration with bubbling tower and spray column, make the flue gas in proper order through the one-level spray, second grade tympanic bulla, tertiary spray, level four dust removal defogging 4 multiple pollutants in total remove in coordination to SO in the realization flue gas2Dust, SO3And various pollutants such as Hg and the like are removed synergistically, so that the application prospect is wide.
Description
Technical Field
The utility model relates to a belong to industrial waste gas purification environmental protection and energy field, in particular to tympanic bulla sprays system of integration desorption multiple pollutant in coordination.
Background
The energy structure mainly based on coal in China can not be changed for a long time, so that the control of the emission of the coal-fired flue gas pollutants is an important work for governing atmospheric pollution in China. Under the current situation that the environmental protection operation pressure of coal-fired power plants is increasing day by day, how to fully play the synergistic removal effect of environmental protection facilities to realize the synergistic control of various pollutants becomes an important research direction in the technical field of coal-fired flue gas purification.
The bubbling tower and the spray tower remove SO from the coal-fired flue gas2The common technology of the method, however, in practical engineering application, the bubble tower does not need a slurry circulating pump, a spraying layer and other configurations, the flue gas directly enters a slurry pool, and a foam layer on the surface of the slurry pool has a strong gas-liquid contact process, so that the method has the advantages of simple equipment, low initial investment, strong capability of cooperatively removing various pollutants and the like, but also has the problems of high flue gas resistance, high energy consumption, easy blockage of a bubble pipe and the like, and the spray tower has the advantages of high operation reliability and strong adaptability, but has the defect that a single tower is poor in coal-fired sulfur contentThe double-tower device has the advantages of being large in occupied area, high in initial investment, poor in pollutant collaborative removal effect and the like, if the double-tower device can be organically combined, the advantages of two technologies can be fully exerted, the existing problems can be avoided, the multiple pollutant collaborative removal capability can be fully exerted while the desulfurization efficiency is effectively improved, and the device has important significance for protecting the environment.
The related patents of the present invention, such as CN 108479370 a-high-position arrangement spray tower and bubbling tower series-connection desulfurization system control method, are to connect the spray tower in series at the outlet of the bubbling tower, which can effectively improve the desulfurization efficiency, but fail to realize the integrated configuration of the spray tower and the bubbling tower, and still have the problems of large occupied area and large investment.
And as CN 108525499A-reverse spray tower and bubbling tower series operation desulfurization system regulation and control method, the method is to connect the bubbling tower in series after the reverse spray tower, although the desulfurization efficiency can be effectively improved, the integrated configuration of the reverse spray tower and the bubbling tower can not be realized, and the problems of large occupied area and large investment still exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a system of integration desorption multiple pollutant in coordination is sprayed in tympanic bulla to the advantage and the shortcoming that current coal-fired flue gas desulfurization bubbling tower exists with the spray column technique.
The utility model provides a technical scheme that above-mentioned problem adopted is: the utility model provides a system for multiple pollutant is in coordination removed in integration is sprayed in tympanic bulla which characterized in that: the device comprises a left bubble tower and a right spray tower, wherein a left slurry pool is arranged at the inner bottom of the left bubble tower, a right slurry pool is arranged at the inner bottom of the right spray tower, and the left slurry pool and the right slurry pool are communicated through a porous tower wall; a bubbling channel is arranged in the middle of the interior of the left bubbling tower, the bottom end of the bubbling channel is positioned in the left slurry pool, a left slurry spraying layer is arranged above the left slurry pool, and a flue gas inlet is arranged between the left slurry spraying layer and the bubbling channel; the top in right side thick liquid pond is provided with the right side thick liquid and sprays the layer, the right side thick liquid sprays the top on layer and is provided with high-efficient dust removal defogging device, high-efficient dust removal defogging device's top is provided with the flue gas export.
The utility model discloses in, the integrative tower left side of tympanic bulla spraying is the tympanic bulla tower structure, and the right side is the spray column structure, controls the tower and adopts the separation of sclausura tower wall in the part above the thick liquid pond liquid level, adopts the separation of porous tower wall in the part below the thick liquid pond.
Furthermore, the spray pipeline on the left slurry spray layer can be independently provided with a slurry circulating pump, slurry is supplied by the left slurry pool, and the spray pipeline on the right slurry spray layer can be communicated with the spray pipeline on the right slurry spray layer, and the slurry is uniformly supplied by the right spray tower.
Furthermore, the upper part of the bubbling channel is communicated with the flue gas, and the lower part of the bubbling channel is communicated with the slurry tank, so that the flue gas is guided to enter the slurry tank to realize the synergistic removal of pollutants. Because the bubbling tower on the left side is pre-removing, the depth of the bubbling channel entering the slurry tank on the left side is limited, thereby avoiding the problems of larger flue gas resistance and easy blockage of the bubbling nozzle.
Furthermore, the high-efficient dust removal defogging device in the right side spray column can adopt dust removal defogging devices such as multistage ridge formula defroster, condensing defroster.
The working method of the system for removing various pollutants through bubbling and spraying integrated cooperation is characterized in that: the process is as follows: flue gas enters the left bubble tower from the flue gas inlet, and is washed by the slurry sprayed from the left slurry spraying layer to realize first-stage SO2Dust, SO3And Hg and other pollutants are removed in a synergic manner, the Hg and other pollutants are removed in a bubbling channel to enter a left slurry pool to achieve second-level pollutant removal in a synergic manner, then the Hg and other pollutants pass through a porous tower wall to enter a right spray tower, the right slurry pool passes through the rear part and is washed by slurry sprayed from a right slurry spray layer, third-level pollutant removal in a synergic manner is achieved, and then the third-level pollutants are removed in a synergic manner through a high-efficiency dust removal and demisting device.
The left and right slurry pools are partitioned by a porous tower wall, the pH of the slurry in the left slurry pool is lower, and SO is favorably generated2Oxidizing and crystallizing; the pH of the slurry in the right slurry tank is higher, which is beneficial to absorbing SO2(ii) a Can effectively improve SO2And (4) removing efficiency.
In practical engineering application, CaO and CaCO can be used as absorption slurry3And MgOH.
In practical engineering application, parameters such as the number of layers of the left slurry spraying layer and the right slurry spraying layer, the depth of the bubbling channel (3) inserted into the slurry tank and the like are determined according to project boundary conditions, and generally, the right slurry spraying layer is provided with multiple layers, so that deep synergistic removal of pollutants is realized.
Compared with the prior art, the utility model, have following advantage and effect: the utility model discloses a combine the integration configuration with bubbling tower and spray column, make the flue gas in proper order through the one-level spray, second grade tympanic bulla, tertiary spray, level four dust removal defogging 4 multiple pollutants in total remove in coordination to SO in the realization flue gas2Dust, SO3And various pollutants such as Hg and the like are removed cooperatively, so that the system has the advantages of simple structure, low engineering investment, occupied area saving and the like, and has wide application prospect.
Drawings
Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.
In the figure: the device comprises a left side bubble tower 1, a left side slurry spraying layer 2, a bubble channel 3, a left side slurry pool 4, a porous tower wall 5, a right side spraying tower 6, a right side slurry pool 7, a right side slurry spraying layer 8, a high-efficiency dedusting and demisting device 9, a flue gas inlet 10 and a flue gas outlet 11.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
Referring to fig. 1, the system for removing multiple pollutants in a coordinated manner by integrating bubbling and spraying in the embodiment includes a left bubble tower 1 and a right spray tower 6, a left slurry tank 4 is arranged at the bottom inside the left bubble tower 1, a right slurry tank 7 is arranged at the bottom inside the right spray tower 6, and the left slurry tank 4 is communicated with the right slurry tank 7 through a porous tower wall 5; a bubbling channel 3 is arranged in the middle of the interior of the left bubbling tower 1, the bottom end of the bubbling channel 3 is positioned in a left slurry pool 4, a left slurry spraying layer 2 is arranged above the left slurry pool 4, and a flue gas inlet 10 is arranged between the left slurry spraying layer 2 and the bubbling channel 3; the top in right side thick liquid pond 7 is provided with right side thick liquid and sprays layer 8, and the right side thick liquid sprays the top on layer 8 and is provided with high-efficient dust removal defogging device 9, and the top of high-efficient dust removal defogging device 9 is provided with flue gas outlet 11.
In the embodiment, the left slurry spraying layer 2 is communicated to the left slurry pool 4 through a pipeline and used for providing slurry for the left slurry spraying layer 2; the right slurry spraying layer 8 is communicated to the right slurry tank 7 through a pipeline and is used for providing slurry for the right slurry spraying layer 8. Or the left slurry spraying layer 2 is communicated with the right slurry spraying layer 8, and the right slurry spraying layer 8 is communicated to the right slurry pool 7 through a pipeline and used for providing slurry for the left slurry spraying layer 2 and the right slurry spraying layer 8.
In this embodiment, the high-efficient dust and mist removal device 9 in the right spray tower 6 is a multi-stage ridge mist eliminator or a condensing mist eliminator.
The working method comprises the following steps: flue gas gets into left side bubble column 1 from flue gas inlet 10, earlier spray the thick liquid washing that the layer 2 sprayed down through left side thick liquid, realize the cooperation desorption of first order pollutant, get into left side thick liquid pond 4 through bubbling passageway 3 again and realize the cooperation desorption of second level pollutant, then pass porous tower wall 5 and get into right side spray column 6, pass through the back from right side thick liquid pond 7, spray the thick liquid washing that the layer 8 sprayed down through right side thick liquid again, realize the cooperation desorption of third level pollutant, then realize the cooperation desorption of fourth level pollutant through high-efficient dust removal defogging device 9, finally discharge through exhanst gas outlet 11.
Wherein, the pH of the slurry in the left slurry tank 4 is lower, which is beneficial to SO2Oxidizing and crystallizing; the pH of the slurry in the right slurry tank 7 is higher, which is beneficial to absorbing SO2(ii) a Effectively improve SO2And (4) removing efficiency. Absorbing slurry with CaO and CaCO3And MgOH. Determining parameters such as the number of layers of the left slurry spraying layer 2 and the right slurry spraying layer 8, the depth of the bubbling channel 3 inserted into the slurry tank and the like according to project boundary conditions, wherein the right slurry spraying layer is generally usedThe layer 8 is provided with a plurality of layers.
Although the present invention has been described with reference to the above embodiments, it should not be construed as being limited to the scope of the present invention, and any modifications made by those skilled in the art without departing from the spirit and scope of the present invention should be construed as being included in the following claims.
Claims (4)
1. The utility model provides a system for multiple pollutant is in coordination removed in integration is sprayed in tympanic bulla which characterized in that: the device comprises a left bubble tower (1) and a right spray tower (6), wherein a left slurry pool (4) is arranged at the inner bottom of the left bubble tower (1), a right slurry pool (7) is arranged at the inner bottom of the right spray tower (6), and the left slurry pool (4) is communicated with the right slurry pool (7) through a porous tower wall (5); a bubbling channel (3) is arranged in the middle of the interior of the left bubbling tower (1), the bottom end of the bubbling channel (3) is positioned in a left slurry pool (4), a left slurry spraying layer (2) is arranged above the left slurry pool (4), and a flue gas inlet (10) is arranged between the left slurry spraying layer (2) and the bubbling channel (3); the top in right side thick liquid pond (7) is provided with right side thick liquid and sprays layer (8), the top that right side thick liquid sprayed layer (8) is provided with high-efficient dust removal defogging device (9), the top of high-efficient dust removal defogging device (9) is provided with flue gas outlet (11).
2. The system for integrated and synergistic removal of multiple pollutants by bubbling and spraying according to claim 1, characterized in that: the left slurry spraying layer (2) is communicated to the left slurry pool (4) through a pipeline and is used for providing slurry for the left slurry spraying layer (2); and the right slurry spraying layer (8) is communicated to the right slurry pool (7) through a pipeline and is used for providing slurry for the right slurry spraying layer (8).
3. The system for integrated and synergistic removal of multiple pollutants by bubbling and spraying according to claim 1, characterized in that: the left side thick liquid sprays layer (2) and right side thick liquid and sprays layer (8) intercommunication, and the right side thick liquid sprays layer (8) and communicates to right side thick liquid pond (7) through the pipeline for spray layer (2) and right side thick liquid to the left side thick liquid and spray layer (8) and provide thick liquid.
4. The system for integrated and synergistic removal of multiple pollutants by bubbling and spraying according to claim 1, characterized in that: in practical engineering application, the number of layers of the left slurry spraying layer (2) and the right slurry spraying layer (8) and the depth of the bubbling channel (3) inserted into the slurry tank are determined according to project boundary conditions, and the right slurry spraying layer (8) is provided with multiple layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920692386.5U CN210522239U (en) | 2019-05-10 | 2019-05-10 | System for multiple pollutant of integration desorption in coordination is sprayed in tympanic bulla |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920692386.5U CN210522239U (en) | 2019-05-10 | 2019-05-10 | System for multiple pollutant of integration desorption in coordination is sprayed in tympanic bulla |
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| CN210522239U true CN210522239U (en) | 2020-05-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110180370A (en) * | 2019-05-10 | 2019-08-30 | 华电电力科学研究院有限公司 | A kind of System and method for being bubbled the integrative coordinated removing multiple pollutant of spray |
| CN116251428A (en) * | 2023-03-22 | 2023-06-13 | 华中科技大学 | Wet flue gas desulfurization dust collector based on tympanic bulla unit |
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2019
- 2019-05-10 CN CN201920692386.5U patent/CN210522239U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110180370A (en) * | 2019-05-10 | 2019-08-30 | 华电电力科学研究院有限公司 | A kind of System and method for being bubbled the integrative coordinated removing multiple pollutant of spray |
| CN116251428A (en) * | 2023-03-22 | 2023-06-13 | 华中科技大学 | Wet flue gas desulfurization dust collector based on tympanic bulla unit |
| CN116251428B (en) * | 2023-03-22 | 2024-04-02 | 华中科技大学 | Wet flue gas desulfurization dust collector based on tympanic bulla unit |
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