CN213668680U - Circulating flue gas desulfurization and denitrification device - Google Patents
Circulating flue gas desulfurization and denitrification device Download PDFInfo
- Publication number
- CN213668680U CN213668680U CN202022405506.4U CN202022405506U CN213668680U CN 213668680 U CN213668680 U CN 213668680U CN 202022405506 U CN202022405506 U CN 202022405506U CN 213668680 U CN213668680 U CN 213668680U
- Authority
- CN
- China
- Prior art keywords
- desulfurizing tower
- waste heat
- air
- heat collecting
- flue gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 33
- 230000023556 desulfurization Effects 0.000 title claims abstract description 33
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 239000003546 flue gas Substances 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000007921 spray Substances 0.000 claims abstract description 30
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 29
- 239000002918 waste heat Substances 0.000 claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 238000005507 spraying Methods 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 12
- 239000002912 waste gas Substances 0.000 abstract description 11
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005262 decarbonization Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Images
Landscapes
- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a circulation flue gas SOx/NOx control device, including waste heat collecting vessel, desulfurizing tower and water tank, the right-hand member fixedly connected with admission line of waste heat collecting vessel, the inner wall fixed mounting of waste heat collecting vessel has heat exchange coil, the upper surface of waste heat collecting vessel fixed mounting respectively has the air-blower and send hot pipeline, the right-hand member of waste heat collecting vessel is linked together through the inside of pipeline with the desulfurizing tower, the lower fixed surface of desulfurizing tower installs auxiliary supporting leg, the inner wall fixed mounting of desulfurizing tower has the ring canal that sprays. This circulation flue gas desulfurization denitrification facility through setting up waste heat collecting vessel, air-blower, heat exchange coil and heating ring canal, can utilize the heat in the waste gas, heats the air, utilizes to send hot pipeline to discharge the air after the heating to the external world through the gas after heating ring canal and desulfurization together, and the hot-air in the heating ring canal and the gas after the desulfurization are neutralized, promote gaseous temperature, have reduced the formation of white fog.
Description
Technical Field
The utility model relates to a waste gas treatment technical field specifically is a circulation flue gas desulfurization denitrification facility.
Background
Along with the increase of social concern about air environment pollution problem, the tail gas of mill must carry out SOx/NOx control when discharging, and carries out SOx/NOx control's in-process at tail gas, will lead to the fact tail gas temperature to reduce, and when the lower direct emission of tail gas temperature, can produce the white fog, can discharge after need reheating.
The flue gas heating device who uses commonly uses adopts the natural gas ignition to heat, and the natural gas produces carbon monoxide and carbon dioxide in combustion process, has increased flue gas impurity, still needs further to carry out the decarbonization and handles, uses comparatively trouble.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a circulation flue gas desulfurization denitrification facility 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: a circulating flue gas desulfurization and denitrification device comprises a waste heat collecting cylinder, a desulfurization tower and a water tank, wherein the right end of the waste heat collecting cylinder is fixedly connected with an air inlet pipeline, the inner wall of the waste heat collecting cylinder is fixedly provided with a heat exchange coil pipe, the upper surface of the waste heat collecting cylinder is respectively and fixedly provided with an air blower and a heat delivery pipeline, the right end of the waste heat collecting cylinder is communicated with the inside of the desulfurization tower through a pipeline, the lower surface of the desulfurization tower is fixedly provided with auxiliary supporting legs, the inner wall of the desulfurization tower is fixedly provided with a spray ring pipe, the lower surface of the spray ring pipe is fixedly provided with a spray header, the upper end of the desulfurization tower is of an inverted cone structure, the inner wall of the upper end of the desulfurization tower is fixedly provided with a heating ring pipe, the surface of the heating ring pipe is fixedly provided with an, the water tank is characterized in that a water pump is fixedly arranged on the inner bottom wall of the water tank, and a water delivery pipe is fixedly arranged at the water outlet end of the water pump.
Preferably, the quantity of auxiliary supporting leg is four, four auxiliary supporting leg is the lower surface of rectangle array setting at the desulfurizing tower, openly two auxiliary supporting leg's opposite face fixed mounting has control panel, air-blower and water pump all with control panel electric connection.
Preferably, the left end and the right end of the heat exchange coil are respectively and fixedly connected with the air exhaust end of the air blower and the lower end of the heat delivery pipeline, and the upper end of the heat delivery pipeline is communicated with the inside of the heating ring pipe.
Preferably, the number of the spraying circular pipes is three, the three spraying circular pipes are equidistantly arranged on the inner wall of the desulfurization tower, and the side surface of the water conveying pipe is respectively communicated with the interiors of the three spraying circular pipes through pipelines.
Preferably, the number of the spray headers is a plurality of, the spray headers are divided into three groups, and the three groups of spray headers are respectively arranged on the lower surfaces of the three spray ring pipes in an inward gathering shape at equal intervals.
Preferably, the right side of the water tank is fixedly provided with a drain pipe, and the water inlet end of the water pump is fixedly provided with a filter screen plate.
Advantageous effects
The utility model provides a circulation flue gas desulfurization and denitrification device possesses following beneficial effect:
1. this circulation flue gas desulfurization denitrification facility through setting up waste heat collecting vessel, air-blower, heat exchange coil and heating ring canal, can utilize the heat in the waste gas, heats the air, utilizes to send hot pipeline to discharge the air after the heating to the external world through the gas after heating ring canal and desulfurization together, and the hot-air in the heating ring canal and the gas after the desulfurization are neutralized, promote gaseous temperature, have reduced the formation of white fog.
2. This circulation flue gas desulfurization denitrification facility through setting up three spray ring pipe, and the layering carries out desulfurization treatment to the waste gas in the desulfurizing tower, makes the more thorough of sulphur purification in the waste gas, sets up the filtration half tone through the end of intaking at the water pump, can avoid debris in the water tank to get into the water pump, reduces shower head blocking phenomenon's emergence.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of a front cross-sectional structure of a desulfurizing tower;
FIG. 3 is a schematic view of a front cross-sectional structure of a waste heat collecting cylinder;
FIG. 4 is a schematic bottom view of the spray ring;
fig. 5 is a schematic view of a front cross-sectional structure of the water tank.
In the figure: 1 waste heat collecting cylinder, 2 desulfurizing tower, 3 water tank, 4 admission line, 5 heat exchange coil, 6 air-blower, 7 heat transfer pipeline, 8 auxiliary supporting legs, 9 spray ring pipe, 10 shower head, 11 heating ring pipe, 12 blast pipes, 13 back flow, 14 water pump, 15 raceway, 16 control panel, 17 drain pipes.
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. 1-5, the present invention provides a technical solution: the utility model provides a circulation flue gas SOx/NOx control device, including waste heat collector 1, desulfurizing tower 2 and water tank 3, the right-hand member fixedly connected with admission line 4 of waste heat collector 1, the inner wall fixed mounting of waste heat collector 1 has heat exchange coil 5, the upper surface of waste heat collector 1 is fixed mounting respectively has air-blower 6 and send hot pipeline 7, heat exchange coil 5 about both ends respectively with air-blower 6 exhaust end and send the lower extreme fixed connection of hot pipeline 7, the right-hand member of waste heat collector 1 is linked together through pipeline and desulfurizing tower 2's inside.
The lower surface of the desulfurizing tower 2 is fixedly provided with auxiliary supporting legs 8, the number of the auxiliary supporting legs 8 is four, four auxiliary supporting legs 8 are arranged on the lower surface of the desulfurizing tower 2 in a rectangular array, the opposite surfaces of two front auxiliary supporting legs 8 are fixedly provided with a control panel 16, the inner wall of the desulfurizing tower 2 is fixedly provided with three spray ring pipes 9, the three spray ring pipes 9 are equidistantly arranged on the inner wall of the desulfurizing tower 2, the side surface of a water conveying pipe 15 is respectively communicated with the inside of the three spray ring pipes 9 through a pipeline, the lower surface of the spray ring pipes 9 is fixedly provided with a plurality of spray heads 10, the plurality of spray heads 10 are divided into three groups, the three groups of spray heads 10 are respectively arranged on the lower surfaces of the three spray ring pipes 9 in an inward gathering manner at equal intervals, and through the arrangement of the three spray ring pipes 9, the waste gas in the desulfurizing tower 2 is subjected, the sulfur in the waste gas is purified more thoroughly.
The upper end of desulfurizing tower 2 is the inverted cone structure, inner wall fixed mounting of desulfurizing tower 2 upper end has heating ring canal 11, the upper end of heat transfer pipeline 7 is linked together with the inside of heating ring canal 11, the fixed surface of heating ring canal 11 installs blast pipe 12, the lower extreme fixedly connected with back flow 13 of desulfurizing tower 2, the right-hand member of back flow 13 is linked together with the inside of water tank 3, inner bottom wall fixed mounting of water tank 3 has water pump 14, air-blower 6 and water pump 14 all with control panel 16 electric connection, the play water end fixed mounting of water pump 14 has raceway 15, the right side fixed mounting of water tank 3 has drain pipe 17, the end fixed mounting that intakes of water pump 14 has filter plate, through set up the filter plate in the end of intaking at water pump 14, can avoid debris in the water tank 3 to get into water pump 14, reduce the.
Through setting up waste heat collecting cylinder 1, air-blower 6, heat exchange coil 5 and heating ring canal 11, can utilize the heat in the waste gas, heat the air, utilize and send hot pipeline 7 to discharge the air after the heating to the external world through heating ring canal 11 with the gas after the desulfurization together, the hot-air in the heating ring canal 11 with the gas after the desulfurization is with, promote gaseous temperature, reduced the formation of white fog.
The working principle is as follows: when using this flue gas desulfurization denitrification facility, contain sulphur waste gas and get into in the waste heat collecting vessel 1 through admission line 4, air-blower 6 sends into the air and heats in the heat transfer coil 5, waste gas passes through the pipeline and gets into in the desulfurizing tower 2, water pump 14 is in with the water pumping raceway 15 of water tank 3, spray through spray head 10 on the three spray ring canal 9, realize the desulfurization treatment to waste gas, the gas after the desulfurization is discharged from the upper end of desulfurizing tower 2, the hot-air of heating in the heat transfer coil 5 simultaneously discharges through blast pipe 12 on the heating ring canal 11, carry out the intensification treatment to the gas after the desulfurization, reduce the production of white fog.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a circulation flue gas desulfurization denitrification facility, includes waste heat collecting vessel (1), desulfurizing tower (2) and water tank (3), its characterized in that: the waste heat recovery device is characterized in that an air inlet pipeline (4) is fixedly connected to the right end of the waste heat collecting cylinder (1), a heat exchange coil (5) is fixedly mounted on the inner wall of the waste heat collecting cylinder (1), an air blower (6) and a heat delivery pipeline (7) are respectively fixedly mounted on the upper surface of the waste heat collecting cylinder (1), the right end of the waste heat collecting cylinder (1) is communicated with the inside of a desulfurizing tower (2) through a pipeline, auxiliary supporting legs (8) are fixedly mounted on the lower surface of the desulfurizing tower (2), a spray ring pipe (9) is fixedly mounted on the inner wall of the desulfurizing tower (2), a spray head (10) is fixedly mounted on the lower surface of the spray ring pipe (9), the upper end of the desulfurizing tower (2) is of an inverted cone structure, a heating ring pipe (11) is fixedly mounted on the inner wall of the upper end of the desulfurizing tower, the lower end of the desulfurizing tower (2) is fixedly connected with a return pipe (13), the right end of the return pipe (13) is communicated with the inside of the water tank (3), a water pump (14) is fixedly installed on the inner bottom wall of the water tank (3), and a water delivery pipe (15) is fixedly installed at the water outlet end of the water pump (14).
2. The circulating flue gas desulfurization and denitrification device according to claim 1, characterized in that: the quantity of auxiliary supporting leg (8) is four, four auxiliary supporting leg (8) are the lower surface that the rectangle array set up at desulfurizing tower (2), openly two the opposite face fixed mounting of auxiliary supporting leg (8) has control panel (16), air-blower (6) and water pump (14) all with control panel (16) electric connection.
3. The circulating flue gas desulfurization and denitrification device according to claim 1, characterized in that: the left end and the right end of the heat exchange coil (5) are respectively fixedly connected with the air exhaust end of the air blower (6) and the lower end of the heat delivery pipeline (7), and the upper end of the heat delivery pipeline (7) is communicated with the inside of the heating ring pipe (11).
4. The circulating flue gas desulfurization and denitrification device according to claim 1, characterized in that: the number of the spraying circular pipes (9) is three, the three spraying circular pipes (9) are equidistantly arranged on the inner wall of the desulfurizing tower (2), and the side surface of the water delivery pipe (15) is respectively communicated with the interiors of the three spraying circular pipes (9) through pipelines.
5. The circulating flue gas desulfurization and denitrification device according to claim 1, characterized in that: the number of the spray headers (10) is a plurality of, the spray headers (10) are divided into three groups, and the spray headers (10) are respectively arranged on the lower surfaces of the three spray ring pipes (9) in an inward gathering shape at equal intervals.
6. The circulating flue gas desulfurization and denitrification device according to claim 1, characterized in that: the right side fixed mounting of water tank (3) has drain pipe (17), the end fixed mounting that intakes of water pump (14) has the filter screen board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022405506.4U CN213668680U (en) | 2020-10-26 | 2020-10-26 | Circulating flue gas desulfurization and denitrification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022405506.4U CN213668680U (en) | 2020-10-26 | 2020-10-26 | Circulating flue gas desulfurization and denitrification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213668680U true CN213668680U (en) | 2021-07-13 |
Family
ID=76761146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022405506.4U Expired - Fee Related CN213668680U (en) | 2020-10-26 | 2020-10-26 | Circulating flue gas desulfurization and denitrification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213668680U (en) |
-
2020
- 2020-10-26 CN CN202022405506.4U patent/CN213668680U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210713 |