CN211435703U - Tower type desulfurization and denitrification device - Google Patents
Tower type desulfurization and denitrification device Download PDFInfo
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- CN211435703U CN211435703U CN201921553393.3U CN201921553393U CN211435703U CN 211435703 U CN211435703 U CN 211435703U CN 201921553393 U CN201921553393 U CN 201921553393U CN 211435703 U CN211435703 U CN 211435703U
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Abstract
The utility model discloses a tower SOx/NOx control device relates to flue gas purification treatment field, including the absorption tower body, the absorption tower body includes the inside process water that sets up in its top of the tower portion and sprays the mechanism, process water sprays the mechanism including setting up a plurality of dehydration boards at the top of the tower portion, the top of the tower portion inner wall passes through locating rack fixedly connected with dehydration cap between two adjacent dehydration boards, the top at top of the tower portion is provided with exhanst gas outlet, and be provided with a plurality of showers in the top of the tower portion, and every shower is in the dehydration cap below that corresponds respectively, a plurality of showers extend the top of the tower portion and converge the intercommunication simultaneously and have cold outlet pipe, the inner wall bottom at top of the tower portion is connected with process water collection liquid baffle of ventilating for the gathering is through the sewage after the dust fall, and one side top of process water collection liquid. This application can last the cooling effect of guaranteeing the flue gas, reduces greenhouse effect.
Description
Technical Field
The utility model relates to a flue gas purification handles the field, specifically is tower SOx/NOx control device.
Background
The desulfurization is SO2 (sulfur dioxide) in the flue gas, and the denitration is mainly to remove NOx (nitrogen oxide) in the flue gas, and these two kinds of substances get into the atmosphere and can form acid rain, and acid rain is very big to the harm of mankind, SO advocate the environmental protection now, the flue gas that uses coal as fuel all contains these substances, and especially thermal power plant sets up SOx/NOx control and equips absolutely. However, although the desulfurization and denitrification equipment is various, how to realize economy, high efficiency and high cost performance is a continuous research and development.
Patent number is CN206008421U discloses a tower SOx/NOx control device, has solved above-mentioned problem, but the process water spray component structure that its set up is single, and is general to the cooling and the dust fall effect of ascending flue gas, and the easy aggravation greenhouse effect in the past of this in the long run.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tower SOx/NOx control device to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the tower type desulfurization and denitrification device comprises an absorption tower body, wherein a denitrifying agent spraying mechanism, an oxidant spraying mechanism and a desulfurizing agent spraying machine are arranged on the lower portion of the absorption tower body from top to bottom, the absorption tower body further comprises a process water spraying mechanism arranged inside the top of the absorption tower body, the process water spraying mechanism comprises a plurality of dewatering plates arranged on the top of the absorption tower, a dewatering cap is fixedly connected to the inner wall of the top of the absorption tower between two adjacent dewatering plates through a positioning frame, a flue gas outlet is formed in the top of the absorption tower, a plurality of spraying pipes are arranged in the top of the absorption tower, each spraying pipe is located below the corresponding dewatering cap, the plurality of spraying pipes extend out of the top of the absorption tower body and are converged and communicated with a cold water outlet pipe, a process water collecting and ventilating partition plate is connected to the bottom of the inner wall of the top of the absorption tower body, a hot water inlet pipe is communicated with, the cold water outlet pipe is communicated with a cooling water outlet of the plate type heat exchanger, and a water outlet end of the circulating water tank is communicated with a hot water inlet of the plate type heat exchanger through a pipeline.
As a further aspect of the present invention: the dehydration board integrated into one piece is hollow structure's annular plate body for the middle part, and the outer peripheral face fixed connection of a plurality of dehydration boards is its to be the equidistance and sets up side by side in the inner wall at top of the tower, and the inner periphery cavity of dehydration board forms the through-hole that scurries on supplying the flue gas.
As a further aspect of the present invention: the dehydration cap is integrally formed into a flat round table body, and the outer peripheral edge of the dehydration cap is superposed with the projection of the inner peripheral edge of the dehydration plate corresponding to the bottom surface of the absorption tower body.
As a further aspect of the present invention: a heating medium outlet of the plate heat exchanger is communicated with an ice water tank through a circulating pipe B, the ice water tank is communicated with a cooling water tower through a pipeline, and a refrigerant inlet of the plate heat exchanger is also communicated with the ice water tank through a circulating pipe A.
As a further aspect of the present invention: a refrigerator is arranged between the ice water tank and the cooling water tower.
Compared with the prior art, the beneficial effects of the utility model are that:
this application is through leading-in shower blowout and the contact of dusty flue gas with cold water, realizes the dust fall purpose to the flue gas that contains the water droplet can be with holding back and participating in subsequent circulation of water droplet when through dehydration board and dehydration cap, finally with dry flue gas by the exhanst gas outlet discharge, the refrigerator improves and provides the cold source for the frozen water groove, so that control ice water groove temperature, and then can continuously guarantee the cooling effect of flue gas, reduces greenhouse effect.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of a structure in fig. 1.
As shown in the figure: the device comprises an absorption tower body 1, a tower top 2, a flue gas outlet 3, a spray pipe 4, a dewatering plate 5, a positioning frame 6, a dewatering cap 7, a cold water outlet pipe 8, a plate heat exchanger 9, a hot water inlet pipe 10, a circulating pipe A11, a circulating pipe B12, an ice water tank 13, a refrigerator 14, a cooling water tower 15 and a circulating water tank 16.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Please refer to fig. 1-2, in the embodiment of the utility model, tower SOx/NOx control device, it sprays the mechanism to be provided with the denitrifier including 1 lower part top-down of absorption tower body, the oxidant sprays the mechanism and sprays the mechanism with the desulfurizer, its specific mode of setting please look up the prior art who discloses in the background art contrast file, so do not add redundantly in this application, and absorption tower body 1 still includes the inside process water spraying mechanism that sets up of its top of the tower portion 2, this application improves to process water spraying mechanism in the contrast file, and increased following technical characteristic on the known technology basis that the contrast file is disclosed:
the process water spraying mechanism comprises a plurality of dehydration plates 5 arranged at the top of the tower 2, the dehydration plates 5 are integrally formed into an annular plate body with a hollow structure at the middle part, the outer peripheral surfaces of the dehydration plates 5 are fixedly connected to the inner wall of the top of the tower 2 and are arranged side by side at equal intervals, the inner peripheries of the dehydration plates 5 are hollow to form through holes for upward movement of flue gas, meanwhile, the inner wall of the top of the tower 2 between two adjacent dehydration plates 5 is fixedly connected with a dehydration cap 7 through a positioning frame 6, the dehydration cap 7 is integrally formed into a flat circular table body, the outer peripheral edge of the dehydration cap 7 coincides with the projection of the inner peripheral edge of the dehydration plate 5 corresponding to the bottom surface of the absorption tower body 1, the contact area of upward flue gas with the dehydration plates 5 and the dehydration cap 7 is further ensured, and the interception effect of small water.
Further, the top of tower top portion 2 is provided with exhanst gas outlet 3, and is provided with a plurality of shower 4 in the tower top portion 2, and every shower 4 is in corresponding dehydration cap 7 below respectively, and a plurality of shower 4 extend tower top portion 2 and converge the intercommunication simultaneously and have cold outlet pipe 8, and cold outlet pipe 8 is used for providing cold water to shower 4 to improve the dust fall and the cooling effect of flue gas.
Further, the bottom of the inner wall of the tower top part 2 is connected with a process water collecting and ventilating partition plate for gathering sewage after dust fall, the wall of the tower top part 2 on one side of the process water collecting and ventilating partition plate is communicated with a hot water inlet pipe 10, the hot water inlet pipe 10 is communicated with a water inlet end of a circulating water tank 16 through a pipeline, the sewage with temperature enters the circulating water tank 16 from the hot water inlet pipe 10, and clear water is discharged from a water outlet end of the circulating water tank 16 again by utilizing the slurry settling effect of the circulating water tank 16 so as to achieve the purpose of recycling.
The cold water outlet pipe 8 is communicated with a cooling water outlet of the plate type heat exchanger 9, a water outlet end of the circulating water tank 16 is communicated with a hot water inlet of the plate type heat exchanger 9 through a pipeline, cold water is sprayed into the spray pipe 4 to be contacted with dust-containing smoke, the dust falling purpose is achieved, the smoke containing water drops can intercept and participate in subsequent circulation of the small water drops when passing through the dewatering plate 5 and the dewatering cap 7, and finally, dry smoke is discharged from the smoke outlet 3.
Further, a heat medium outlet of the plate heat exchanger 9 is communicated with an ice water tank 13 through a circulating pipe B12, the ice water tank 13 is communicated with a cooling water tower 15 through a pipeline, a refrigerant inlet of the plate heat exchanger 9 is also communicated with the ice water tank 13 through a circulating pipe A11, the cooling water tower 15 and the ice water tank 13 are used for continuously cooling the plate heat exchanger 9, and the heat exchange effect of the plate heat exchanger 9 is improved; be provided with refrigerator 14 between ice water tank 13 and cooling tower 15, refrigerator 14 improves and provides the cold source for ice water tank 13 to in control ice water tank 13 temperature, and then can continuously guarantee the cooling effect of flue gas, reduce greenhouse effect.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (5)
1. The tower type desulfurization and denitrification device comprises an absorption tower body (1), wherein a denitrification agent spraying mechanism, an oxidant spraying mechanism and a desulfurizing agent spraying machine are arranged on the lower portion of the absorption tower body from top to bottom, and is characterized in that the absorption tower body (1) further comprises a process water spraying mechanism arranged inside the tower top (2), the process water spraying mechanism comprises a plurality of dewatering plates (5) arranged on the tower top (2), a dewatering cap (7) is fixedly connected to the inner wall of the tower top (2) between two adjacent dewatering plates (5) through a positioning frame (6), a flue gas outlet (3) is arranged on the top of the tower top (2), a plurality of spraying pipes (4) are arranged in the tower top (2), each spraying pipe (4) is respectively positioned below the corresponding dewatering cap (7), and the plurality of spraying pipes (4) extend out of the tower top (2) and are converged and communicated with a cold water outlet pipe (8), the bottom of the inner wall of the tower top part (2) is connected with a process water collecting and ventilating partition plate, the wall of the tower top part (2) on one side of the process water collecting and ventilating partition plate is communicated with a hot water inlet pipe (10), the hot water inlet pipe (10) is communicated with a water inlet end of a circulating water tank (16) through a pipeline, a cold water outlet pipe (8) is communicated with a cooling water outlet of the plate type heat exchanger (9), and a water outlet end of the circulating water tank (16) is communicated with a hot water inlet of the plate type heat exchanger (9) through a pipeline.
2. The tower-type desulfurization and denitrification apparatus according to claim 1, wherein the dehydration plates (5) are integrally formed as an annular plate body having a hollow structure at the middle, the outer circumferential surfaces of the dehydration plates (5) are fixedly connected to the inner wall of the tower top (2) and are arranged side by side at equal intervals, and the inner circumferential surfaces of the dehydration plates (5) are hollow to form through holes for upward movement of flue gas.
3. The tower-type desulfurization and denitrification apparatus according to claim 1, wherein the dehydration cap (7) is integrally formed as a flat truncated cone, and the outer circumferential edge of the dehydration cap (7) coincides with the projection of the inner circumferential edge of the dehydration plate (5) to the bottom surface of the absorption tower body (1).
4. The tower type desulfurization and denitrification device according to claim 1, wherein the heat medium outlet of the plate heat exchanger (9) is communicated with the ice water tank (13) through a circulating pipe B (12), the ice water tank (13) is communicated with the cooling water tower (15) through a pipeline, and the refrigerant inlet of the plate heat exchanger (9) is also communicated with the ice water tank (13) through a circulating pipe A (11).
5. The tower-type desulfurization and denitrification apparatus according to claim 4, wherein a refrigerator (14) is provided between the ice water tank (13) and the cooling water tower (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921553393.3U CN211435703U (en) | 2019-09-18 | 2019-09-18 | Tower type desulfurization and denitrification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921553393.3U CN211435703U (en) | 2019-09-18 | 2019-09-18 | Tower type desulfurization and denitrification device |
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| Publication Number | Publication Date |
|---|---|
| CN211435703U true CN211435703U (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921553393.3U Active CN211435703U (en) | 2019-09-18 | 2019-09-18 | Tower type desulfurization and denitrification device |
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| CN (1) | CN211435703U (en) |
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2019
- 2019-09-18 CN CN201921553393.3U patent/CN211435703U/en active Active
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