CN214468725U - Boiler tail gas desulfurization and denitrification integrated device - Google Patents
Boiler tail gas desulfurization and denitrification integrated device Download PDFInfo
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- CN214468725U CN214468725U CN202120183581.2U CN202120183581U CN214468725U CN 214468725 U CN214468725 U CN 214468725U CN 202120183581 U CN202120183581 U CN 202120183581U CN 214468725 U CN214468725 U CN 214468725U
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Abstract
The utility model belongs to the technical field of boiler tail gas treatment, in particular to a boiler tail gas desulfurization and denitrification integrated device, which comprises a boiler body, a desulfurization and denitrification tower and a reservoir, wherein a dedusting and cooling box is arranged between the boiler body and the desulfurization and denitrification tower, the top of the inner side of the dedusting and cooling box is fixedly connected with a plurality of spray nozzles, the inner side of the dedusting and cooling box is provided with an activated carbon plate, and the bottom of the dedusting and cooling box is fixedly connected with a water collecting box; filter through the rose box when tail gas, enter into the dust removal cooler bin in, spray mouth blowout water, spray the dust fall, and reach the purpose of cooling, sewage falls into on first filter screen along the active carbon board, make active carbon adsorption dust, first filter screen filters the dust once more, water after the filtration flows into in the header tank, the cyclic utilization of being convenient for, this kind of mode makes the dust removal and the cooling of tail gas combine together, the volume of cost of manufacture and equipment has not only been reduced, and the efficiency of handling tail gas has been improved.
Description
Technical Field
The utility model belongs to the technical field of boiler tail gas treatment, concretely relates to boiler tail gas SOx/NOx control integrated device.
Background
In modern industrial production, a boiler is usually used for burning coal to generate heat, but harmful gases containing sulfur and nitrate are discharged into the atmosphere while burning coal, wherein sulfur dioxide and nitrogen oxides are gaseous pollutants which affect the most in atmospheric pollution and have great harm to human bodies, environment and ecology, the problems of emission of nitrogen oxides and sulfur dioxide are paid more and more attention along with the increasing strictness of environmental requirements, and tail gas generated by the boiler needs to be desulfurized and denitrated before being discharged into the atmosphere.
Chinese patent discloses a boiler tail gas SOx/NOx control integrated device, (grant publication number CN 207271044U), this patent technology can be through setting up electrostatic precipitator device, the effect of dust removal has been played, can establish the basis for subsequent SOx/NOx control operation, SOx/NOx control's treatment effect has been guaranteed, avoid appearing the large granule dust that contains in the tail gas and cause the destruction to SOx/NOx control tower, influence SOx/NOx control operation on SOx/NOx control tower, the cooling tower has realized the function to boiler tail gas cooling humidification, make boiler tail gas reduce the temperature very fast, and greatly increased boiler tail gas's humidity, thereby subsequent SOx/NOx control operation has been guaranteed, but the solitary electrostatic precipitator device and the cooling tower that the device set up, the cost of manufacture has not only been increased, the volume of equipment has been increased, and the efficiency of handling tail gas is lower.
Therefore, the technical personnel in the field provide an integrated device for desulfurization and denitrification of boiler tail gas, so as to solve the problems in the background technology.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a boiler tail gas SOx/NOx control integrated device has the dust removal and the cooling that make tail gas and combine together, has not only reduced the volume of cost of manufacture and equipment, and has improved the characteristics of handling tail gas efficiency.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a boiler tail gas SOx/NOx control integrated device, includes boiler body, SOx/NOx control tower and cistern, the boiler body with be equipped with the dust removal cooling tank between the SOx/NOx control tower, the inboard top fixedly connected with a plurality of dust removal cooling tank sprays the mouth, just the dust removal cooling tank inboard is equipped with the activated carbon board, dust removal cooling tank bottom fixedly connected with header tank, the header tank with be equipped with first filter screen between the dust removal cooling tank, first filter screen is fixed the dust removal cooling tank is inboard, the dust removal cooling tank is close to one side of boiler body is equipped with filtering component, filtering component includes rose box, apron and second filter screen, the second filter screen is pegged graft in the rose box, just the apron is located the rose box top.
Preferably, the top of the boiler body is fixedly connected with a spray pipe corresponding to the spray nozzle, and one end of the spray pipe is located in the water storage tank.
Preferably, the boiler body is hermetically connected with a gas collecting pipe, and one end of the gas collecting pipe is fixedly connected with the filter box.
Preferably, the activated carbon plate is arranged in an inclined manner, a connecting plate is fixedly connected to the top of the activated carbon plate, and the connecting plate is fixedly connected with the dedusting cooling box.
Preferably, the dust removal cooling box is provided with a limiting groove, and the cover plate is inserted in the limiting groove.
Preferably, the inner side of the filter box is fixedly connected with two mounting seats, and the second filter screen is inserted in the mounting seats.
Preferably, the top of the cover plate is provided with two bolts, one end of each bolt penetrates through the cover plate, the filter box is provided with two jacks, and the two bolts are respectively inserted into the two jacks.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses in through the dust removal cooler bin that sets up, filter through the rose box as the tail gas, enter into the dust removal cooler bin, spray nozzle blowout water, spray the dust fall, and reach the purpose of cooling, sewage falls into on the activated carbon plate, make the activated carbon adsorption dust, first filter screen filters the dust once more, water after the filtration flows into in the header tank, be convenient for cyclic utilization, this kind of mode makes the dust removal and the cooling of tail gas combine together, the volume of cost of manufacture and equipment has not only been reduced, and the efficiency of handling tail gas has been improved, the second filter screen in the rose box, can arrange the tail gas in the dust removal cooler bin with the boiler body and filter, through pulling out the bolt, slide the apron, can take the second filter screen out from the rose box, the washing and the change of second filter screen have been made things convenient for.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic structural view of the interior of the dust-removing cooling box of the present invention;
fig. 4 is a schematic structural view of the middle filter box of the present invention.
In the figure: 1. a boiler body; 2. a desulfurization and denitrification tower; 3. a dust removal cooling box; 301. a limiting groove; 31. a spray nozzle; 32. a water spray pipe; 33. an activated carbon plate; 331. a connecting plate; 34. a first filter screen; 35. a water collection tank; 4. a filter assembly; 41. a filter box; 411. a jack; 42. a cover plate; 43. a bolt; 44. a second filter screen; 45. a mounting seat; 5. a reservoir; 6. a gas collecting pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a boiler tail gas SOx/NOx control integrated device, including boiler body 1, SOx/NOx control tower 2 and cistern 5, be equipped with dust removal cooling tank 3 between boiler body 1 and the SOx/ NOx control tower 2, 3 inboard top fixedly connected with a plurality of spray nozzle 31 of dust removal cooling tank, and 3 inboard activated carbon plate 33 that are equipped with of dust removal cooling tank, 3 bottom fixedly connected with header tank 35 of dust removal cooling tank, be equipped with first filter screen 34 between header tank 35 and the dust removal cooling tank 3, first filter screen 34 is fixed at 3 inboards of dust removal cooling tank, one side that dust removal cooling tank 3 is close to boiler body 1 is equipped with filter assembly 4, filter assembly 4 includes rose box 41, apron 42 and second filter screen 44, second filter screen 44 pegs graft in rose box 41, and apron 42 is located rose box 41 top.
In this embodiment: the desulfurization and denitrification principle of the desulfurization and denitrification tower 2 is consistent with that mentioned in the 21 st section of the specification of the integrated device for desulfurization and denitrification of boiler tail gas, electron beams generated by the irradiation device can irradiate the boiler tail gas and generate various active groups, the active groups oxidize sulfur dioxide and nitrogen oxides in the flue gas to form corresponding acid, the boiler tail gas continuously moves upwards and is easy to react with an aqueous ammonia solution sprayed by a second spray head to generate ammonium sulfate and ammonium nitrate particles, the ammonium sulfate and the ammonium nitrate particles fall to the bottom of the desulfurization and denitrification tower along the aqueous ammonia solution sprayed by the second spray head and then flow back to the reservoir, when the tail gas of the boiler body 1 is discharged into the dedusting and cooling box 3 through the gas collecting pipe 6, the tail gas can pass through the filter box 41 and the second filter screen 44 in the filter box 41, the tail gas discharged into the dedusting and cooling box 3 by the boiler body 1 can be filtered, the bolt 43 is pulled out, the cover plate 42 is slid off, the second filter screen 44 can be drawn out from the filter box 41, the second filter screen 44 is convenient to clean and replace, when tail gas enters the dedusting and cooling box 3, the water spray pipe 32 sucks water in the water storage tank 5 under the action of the water pump, the water enters the dedusting and cooling box 3 and is sprayed out from the spray nozzle 31, the dedusting and cooling box 3 is provided with a groove communicated with the spray nozzle 31 and the water spray pipe 32, the spray nozzle 31 sprays water to perform spraying and dust reduction, the aim of cooling is achieved, sewage falls onto the first filter screen 34 along the activated carbon plate 33, the activated carbon plate 33 adsorbs dust, the first filter screen 34 filters dust again, the filtered water flows into the water collection tank 35, the water collection tank 35 can be connected with the water collection tank 5 through a pipeline, recycling is convenient, the mode combines the dedusting and cooling of the tail gas in the water storage tank together, the manufacturing cost and the volume of equipment are reduced, and the efficiency of treating tail gas is improved, and the tail gas after final treatment enters into the desulfurization and denitrification tower 2 to carry out desulfurization and denitrification work.
In fig. 1-3: the top of the boiler body 1 is fixedly connected with a spray pipe 32 corresponding to the spray nozzle 31, one end of the spray pipe 32 is positioned in the reservoir 5, water can be introduced into the dedusting and cooling tank 3 through the spray pipe 32 to achieve the purposes of spraying, dust reduction, cooling and cooling, a gas collecting pipe 6 is hermetically connected on the boiler body 1, one end of the gas collecting pipe 6 is fixedly connected with a filter tank 41 to connect the boiler body 1 with the dedusting and cooling tank 3, tail gas is introduced into the dedusting and cooling tank 3 for treatment, the activated carbon plate 33 is obliquely arranged, a connecting plate 331 is fixedly connected with the top of the activated carbon plate 33, the connecting plate 331 is fixedly connected with the dedusting and cooling tank 3 to facilitate the sprayed water to fall into the water collecting tank 35 along the activated carbon plate 33, the dedusting and cooling tank 3 is provided with a limiting groove 301, the cover plate 42 is inserted into the limiting groove 301 to connect the cover plate 42 with the dedusting and cooling tank 3 to limit the up-down movement position of the cover plate 42, it is convenient to fix the cover plate 42 and to detach the cover plate 42,
in fig. 4: two mount pads 45 of the inboard fixedly connected with of rose box 41, second filter screen 44 pegs graft in mount pad 45, mount pad 45 seted up with second filter screen 44 complex slot, can be so that second filter screen 44 extracts or installs from rose box 41, apron 42 top is equipped with two bolts 43, bolt 43 one end runs through apron 42, two jacks 411 have been seted up to rose box 41, two bolts 43 peg graft respectively in two jacks 411, through pulling out bolt 43, slide apron 42, can take second filter screen 44 out in rose box 41, the washing and the change of second filter screen 44 have been made things convenient for.
The utility model discloses a theory of operation and use flow: when the boiler tail gas is used, when the tail gas of the boiler body 1 is discharged into the dedusting cooling box 3 through the gas collecting pipe 6, the tail gas can pass through the filter box 41 and the second filter screen 44 in the filter box 41, the tail gas discharged into the dedusting cooling box 3 from the boiler body 1 can be filtered, the second filter screen 44 can be drawn out from the filter box 41 by pulling the bolt 43 and sliding the cover plate 42, so that the cleaning and replacement of the second filter screen 44 are facilitated, when the tail gas enters the dedusting cooling box 3, the water in the water storage tank 5 is sucked by the water spray pipe 32 under the action of the water pump and enters the dedusting cooling box 3, then the water is sprayed from the spray nozzle 31 for dust fall, the aim of cooling is fulfilled, the sewage falls onto the first filter screen 34 along the activated carbon plate 33, so that the activated carbon plate 33 adsorbs dust, the first filter screen 34 filters the dust again, the filtered water flows into the water collecting box 35 and is convenient for recycling, and finally, the treated tail gas enters a desulfurization and denitrification tower 2 to perform desulfurization and denitrification.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a boiler tail gas SOx/NOx control integrated device, includes boiler body (1), SOx/NOx control tower (2) and cistern (5), its characterized in that: a dedusting cooling box (3) is arranged between the boiler body (1) and the desulfurization and denitrification tower (2), the top of the inner side of the dedusting cooling box (3) is fixedly connected with a plurality of spraying nozzles (31), the inner side of the dedusting cooling box (3) is provided with an activated carbon plate (33), the bottom of the dedusting cooling box (3) is fixedly connected with a water collecting box (35), a first filter screen (34) is arranged between the water collecting box (35) and the dedusting cooling box (3), and the first filter screen (34) is fixed on the inner side of the dedusting cooling box (3);
one side of the dedusting cooling box (3) close to the boiler body (1) is provided with a filtering component (4), the filtering component (4) comprises a filtering box (41), a cover plate (42) and a second filtering net (44), the second filtering net (44) is inserted into the filtering box (41), and the cover plate (42) is positioned at the top of the filtering box (41).
2. The integrated desulfurization and denitrification device for the boiler tail gas as set forth in claim 1, characterized in that: boiler body (1) top fixedly connected with spray nozzle (31) corresponding spray pipe (32), spray pipe (32) one end is located in cistern (5).
3. The integrated desulfurization and denitrification device for the boiler tail gas as set forth in claim 1, characterized in that: the boiler is characterized in that the boiler body (1) is hermetically connected with a gas collecting pipe (6), and one end of the gas collecting pipe (6) is fixedly connected with the filter box (41).
4. The integrated desulfurization and denitrification device for the boiler tail gas as set forth in claim 1, characterized in that: the activated carbon plate (33) is obliquely arranged, a connecting plate (331) is fixedly connected to the top of the activated carbon plate (33), and the connecting plate (331) is fixedly connected with the dedusting cooling box (3).
5. The integrated desulfurization and denitrification device for the boiler tail gas as set forth in claim 1, characterized in that: the dust removal cooling box (3) is provided with a limiting groove (301), and the cover plate (42) is inserted in the limiting groove (301).
6. The integrated desulfurization and denitrification device for the boiler tail gas as set forth in claim 1, characterized in that: two installation seats (45) are fixedly connected to the inner side of the filter box (41), and the second filter screen (44) is inserted into the installation seats (45).
7. The integrated desulfurization and denitrification device for the boiler tail gas as set forth in claim 1, characterized in that: the top of the cover plate (42) is provided with two bolts (43), one end of each bolt (43) penetrates through the cover plate (42), two jacks (411) are formed in the filter box (41), and the two bolts (43) are respectively inserted into the two jacks (411).
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CN202120183581.2U CN214468725U (en) | 2021-01-23 | 2021-01-23 | Boiler tail gas desulfurization and denitrification integrated device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN116422097A (en) * | 2023-03-28 | 2023-07-14 | 北京华兴碳环境科技有限公司 | Industrial waste gas desulfurization and denitrification device |
CN116747658A (en) * | 2023-08-16 | 2023-09-15 | 华能太原东山燃机热电有限责任公司 | Boiler waste gas treatment device of gas power plant |
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2021
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116422097A (en) * | 2023-03-28 | 2023-07-14 | 北京华兴碳环境科技有限公司 | Industrial waste gas desulfurization and denitrification device |
CN116747658A (en) * | 2023-08-16 | 2023-09-15 | 华能太原东山燃机热电有限责任公司 | Boiler waste gas treatment device of gas power plant |
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