CN221015178U - Novel acid flue gas silicon carbide backflushing washing tower - Google Patents
Novel acid flue gas silicon carbide backflushing washing tower Download PDFInfo
- Publication number
- CN221015178U CN221015178U CN202322823412.2U CN202322823412U CN221015178U CN 221015178 U CN221015178 U CN 221015178U CN 202322823412 U CN202322823412 U CN 202322823412U CN 221015178 U CN221015178 U CN 221015178U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- washing
- silicon carbide
- backflushing
- tower
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- 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.)
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Links
- 238000005406 washing Methods 0.000 title claims abstract description 80
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 239000003546 flue gas Substances 0.000 title claims abstract description 38
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229910010271 silicon carbide Inorganic materials 0.000 title claims abstract description 23
- 239000002253 acid Substances 0.000 title claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 60
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 22
- 239000004917 carbon fiber Substances 0.000 claims abstract description 22
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000007921 spray Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 6
- 239000012535 impurity Substances 0.000 claims description 13
- 239000011148 porous material Substances 0.000 claims description 6
- 230000002378 acidificating effect Effects 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 abstract description 4
- 238000000746 purification Methods 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 18
- 239000007787 solid Substances 0.000 description 9
- 238000001816 cooling Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
The utility model belongs to the field of gas purification equipment, and relates to a novel acid flue gas silicon carbide backflushing washing tower, which is characterized by comprising a tower body, wherein a washing pipe is connected to the side upper part of the tower body, and a washing liquid spray head is arranged in the washing pipe; the bottom of the tower body is a liquid collecting tank, and a detachable carbon fiber filter screen is arranged at the upper part of the liquid collecting tank. The utility model has reasonable structure, high temperature resistance and corrosion resistance of equipment materials, effectively avoids high temperature corrosion of equipment and reduces the risk of damage; the detachable drawer type filter screen is convenient to clean and maintain, and the treated clear liquid can be recycled or sold, so that the resource waste is reduced; the occupied area of the equipment is small, and the land is saved.
Description
Technical Field
The utility model relates to a novel acid flue gas silicon carbide backflushing washing tower, and belongs to the field of gas purification equipment.
Background
The backflushing washing tower is characterized in that the process flue gas is reversely contacted with the washing liquid, slag dust impurities in the process flue gas are captured by the washing liquid, heat transfer is carried out at the same time, and then the process flue gas is separated from the polluted washing liquid, so that the purpose of cooling and purifying the process flue gas is achieved.
In the process of cooling process flue gas in a washing pipe, the material of a common washing tower is glass fiber reinforced plastic and plastic, but the material is not high-temperature resistant, and the temperature of the process flue gas entering the washing tower is generally 350 ℃, so that a cooling device is required to be additionally arranged to protect washing equipment. Such methods can be damaged or shut down by improper operation or fluctuations in operating process conditions that result in the washing equipment not being resistant to high temperatures.
The dust particles in the flue gas captured by the washing liquid can be recycled after being filtered, usually, the circulating liquid is sent into a settling tank through a conveying pump in a solid-liquid separation mode outside the tower, and clear liquid is recycled as the washing liquid of the washing pipe, and even if the washing liquid is settled, the washing liquid still contains a plurality of particle impurities. The method has the defects of large occupied area, complex pipeline arrangement, inconvenience for subsequent treatment due to the fact that solid impurities separated from the tower are still in the system, and the like.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a novel acid flue gas silicon carbide backflushing washing tower, wherein a drawer type carbon fiber filter screen is arranged in the backflushing washing tower, solid impurities trapped by washing liquid can be directly filtered and removed in the tower, clear liquid can be recycled, and the solid impurities can be removed by on-line replacement of a standby filter screen.
The main technical scheme of the utility model is as follows: the novel acidic flue gas silicon carbide backflushing washing tower is characterized by comprising a tower body, wherein the side upper part of the tower body is connected with a washing pipe, and a washing liquid spray head is arranged in the washing pipe; the bottom of the tower body is a liquid collecting tank, and a detachable carbon fiber filter screen is arranged at the upper part of the liquid collecting tank.
Further, the backflushing washing tower made of silicon carbide material is of a tower tank integrated structure.
Further, a flue gas inlet is arranged at the upper part of the washing pipe, and a nozzle of a washing liquid spray head in the washing pipe faces upwards.
Further, the detachable carbon fiber filter screen is a drawer type carbon fiber filter screen, and the standby filter screen can be replaced on line.
Further, the filter pore diameter of the carbon fiber filter screen is determined according to the size of impurities, and the filter pore diameter comprises nanoscale.
Further, a washing liquid inlet communicated with a washing liquid spray head is arranged on the side part of the washing pipe.
Further, a flue gas outlet is formed in the top of the washing tower, an acid-resistant concrete inclined structural layer is arranged at the bottom of the washing tower, the liquid phase can be completely discharged, and the overhaul is convenient.
Further, an overflow port is arranged on the tower body above the carbon fiber filter screen.
Further, a manhole and a liquid outlet are arranged on the bottom tower body of the liquid collecting tank.
The novel acid flue gas silicon carbide backflushing washing tower is characterized in that the whole equipment is made of silicon carbide, the washing tower is of a tower tank integrated structure, the process flue gas to be washed enters a washing pipe from top to bottom, washing liquid is sprayed into the air flow from bottom to top through a spray nozzle, gas-liquid two phases are in reverse collision to form a foam area, and mass transfer and heat transfer processes are realized in the area, so that the process gas is sufficiently cooled and washed; washing and cooling process flue gas by using a washing liquid, flowing out from the top of the tower, flowing out the washing liquid from the bottom of the washing tower, and enabling the washing liquid to drop into a liquid collecting tank at the bottom after capturing solid impurities in the process gas; the carbon fiber filter screen with the detachable structure in the liquid collecting tank filters and removes solid particles trapped by the washing liquid, clear liquid can be directly recycled through the circulating pump, and solid impurities can be removed through on-line replacement of the standby filter screen.
The utility model has reasonable structure, high temperature resistance and corrosion resistance of equipment materials, effectively avoids high temperature corrosion of equipment and reduces the risk of damage; the detachable drawer type filter screen is convenient to clean and maintain, and the treated clear liquid can be recycled or sold, so that the resource waste is reduced; the occupied area of the equipment is small, and the land is saved.
Drawings
Fig. 1 is a structural diagram of the present utility model.
In the figure, a 1-manhole, a 2-carbon fiber filter screen, a 3-washing liquid inlet, a 4-washing pipe, a 5-smoke inlet, a 6-nozzle, a 7-smoke outlet, an 8-tower body, a 9-overflow port, a 10-liquid outlet and an 11-acid-resistant concrete inclined structural layer.
Description of the embodiments
The following further illustrates the essence of the present utility model with reference to examples and drawings, which are only for explanation of the present utility model and do not limit the scope of the present utility model.
Examples
Referring to figure 1, the novel acid flue gas silicon carbide backflushing washing tower mainly comprises a tower body 8, wherein the side upper part of the tower body 8 is connected with a washing pipe 4, and a washing liquid spray head 6 is arranged in the washing pipe 4; the bottom of the tower body 8 is provided with a liquid collecting tank, and the upper part of the liquid collecting tank is provided with a detachable carbon fiber filter screen 2.
In the embodiment, the whole equipment is made of silicon carbide, and the backflushing washing tower is of a tower tank integrated structure.
In the embodiment, the upper part of the washing pipe 4 is provided with a flue gas inlet 5, and a nozzle of a washing liquid nozzle 6 in the washing pipe 4 faces upwards.
In the embodiment, the carbon fiber filter screen with the detachable structure is a drawer type carbon fiber filter screen 2, so that the standby filter screen can be replaced on line; the filter pore diameter of the carbon fiber filter screen 2 is determined according to the size of impurities, and the pore diameter can reach the nanometer level.
In the embodiment, the side part of the washing pipe 4 is provided with a washing liquid inlet 3 which is communicated with a washing liquid spray head 6.
In the embodiment, the top of the washing tower is provided with a flue gas outlet 7, and the bottom of the washing tower is provided with an acid-resistant concrete inclined structural layer 11, so that the liquid phase can be completely discharged, and the overhaul is convenient.
In the embodiment, an overflow port 9 is arranged on the tower body 8 above the carbon fiber filter screen 2; the bottom tower body 8 of the liquid collecting tank is provided with a manhole 1 and a liquid outlet 10.
The embodiments operate as follows: the process flue gas to be washed enters the washing pipe 4 from the flue gas inlet 5, the washing liquid is sprayed into the air flow from bottom to top through the spray head 6, and the air-liquid two phases are in reverse contact, so that the process flue gas flows out of the silicon carbide backflushing washing tower from the flue gas outlet 7 after being sufficiently cooled and washed. After capturing solid impurities in the process flue gas by the washing liquid, the solid impurities fall into a liquid collecting tank at the bottom of the tower; the liquid collecting tank is internally provided with a drawer type carbon fiber filter screen, solid impurities trapped by the washing liquid are filtered and removed through the drawer type carbon fiber filter screen, and clear liquid is discharged through the liquid outlet 10 and can be directly recycled through a circulating pump.
This embodiment is not described and is well known in the art.
Claims (10)
1. The novel acidic flue gas silicon carbide backflushing washing tower is characterized by comprising a tower body, wherein the side upper part of the tower body is connected with a washing pipe, and a washing liquid spray head is arranged in the washing pipe; the bottom of the tower body is a liquid collecting tank, and a detachable carbon fiber filter screen is arranged at the upper part of the liquid collecting tank.
2. The novel acid flue gas silicon carbide backflushing scrubber as set forth in claim 1, wherein: the backflushing washing tower made of silicon carbide material is of a tower tank integrated structure.
3. The novel acid flue gas silicon carbide backflushing scrubber as set forth in claim 1, wherein: the upper part of the washing pipe is provided with a flue gas inlet, and a nozzle of a washing liquid spray nozzle in the washing pipe is upward.
4. The novel acid flue gas silicon carbide backflushing scrubber as set forth in claim 1, wherein: the detachable carbon fiber filter screen is a drawer type carbon fiber filter screen.
5. The novel acid flue gas silicon carbide backflushing scrubber according to claim 1 or 4, wherein: the filter pore diameter of the carbon fiber filter screen is determined according to the size of impurities.
6. A novel acid flue gas silicon carbide backflushing scrubber according to claim 1 or 3, wherein: the side part of the washing pipe is provided with a washing liquid inlet communicated with a washing liquid spray head.
7. The novel acid flue gas silicon carbide backflushing scrubber according to claim 1 or 2, wherein: the top of the washing tower is provided with a flue gas outlet, and the bottom of the washing tower is provided with an acid-resistant concrete inclined structure layer.
8. The novel acid flue gas silicon carbide backflushing scrubber as set forth in claim 1, wherein: an overflow port is arranged on the tower body above the carbon fiber filter screen.
9. The novel acid flue gas silicon carbide backflushing scrubber as set forth in claim 1, wherein: a manhole and a liquid outlet are arranged on the bottom tower body of the liquid collecting tank.
10. The novel acid flue gas silicon carbide backflushing scrubber of claim 5, wherein: the filter pore diameter of the carbon fiber filter screen is nano-scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322823412.2U CN221015178U (en) | 2023-10-20 | 2023-10-20 | Novel acid flue gas silicon carbide backflushing washing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322823412.2U CN221015178U (en) | 2023-10-20 | 2023-10-20 | Novel acid flue gas silicon carbide backflushing washing tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221015178U true CN221015178U (en) | 2024-05-28 |
Family
ID=91169294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322823412.2U Active CN221015178U (en) | 2023-10-20 | 2023-10-20 | Novel acid flue gas silicon carbide backflushing washing tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221015178U (en) |
-
2023
- 2023-10-20 CN CN202322823412.2U patent/CN221015178U/en active Active
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| GR01 | Patent grant |