CN220496012U - Absorption tower of hydrogen sulfide - Google Patents
Absorption tower of hydrogen sulfide Download PDFInfo
- Publication number
- CN220496012U CN220496012U CN202321981760.6U CN202321981760U CN220496012U CN 220496012 U CN220496012 U CN 220496012U CN 202321981760 U CN202321981760 U CN 202321981760U CN 220496012 U CN220496012 U CN 220496012U
- Authority
- CN
- China
- Prior art keywords
- absorption tower
- filter plate
- hydrogen sulfide
- salt particles
- liquid
- 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.)
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 47
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910000037 hydrogen sulfide Inorganic materials 0.000 title claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 44
- 239000007789 gas Substances 0.000 claims abstract description 29
- 150000003839 salts Chemical class 0.000 claims abstract description 28
- 239000002245 particle Substances 0.000 claims abstract description 26
- 238000007790 scraping Methods 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000001914 filtration Methods 0.000 claims abstract description 9
- 230000005484 gravity Effects 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 13
- 239000006096 absorbing agent Substances 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 claims description 4
- 238000006477 desulfuration reaction Methods 0.000 abstract description 36
- 230000023556 desulfurization Effects 0.000 abstract description 36
- 239000002912 waste gas Substances 0.000 abstract description 2
- 239000002440 industrial waste Substances 0.000 description 6
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Abstract
The utility model relates to the technical field of desulfurization devices in waste gas, and in particular discloses an absorption tower for hydrogen sulfide, which comprises the following components: the absorption tower is provided with the following components from top to bottom along the gravity direction: gas outlet, liquid inlet, gas inlet and liquid outlet, still include: the circular filter plate is arranged between the gas inlet and the liquid outlet and is used for filtering and intercepting salt particles; the scraping plate is rotatably arranged above the round filter plate and is used for scraping salt particles on the surface of the round filter plate; the driving assembly is used for driving the scraping plate to rotate; a material leakage groove is formed on the round filter plate along the radial direction of the round filter plate and is used for salt particles to pass through and fall off; and the filter bag is arranged below the material leakage groove and is used for receiving salt particles. The utility model can continuously filter and collect salt particles in the desulfurization rich liquid, prevent the situation that the desulfurization rich liquid is accumulated in the absorption tower due to the blockage of the liquid outlet, and ensure the smooth operation of the desulfurization rich liquid discharge.
Description
Technical Field
The utility model relates to the technical field of desulfurization devices in waste gas, in particular to an absorption tower for hydrogen sulfide.
Background
Hydrogen sulfide (H) 2 S) is a common harmful gas in industrial exhaust, and before the industrial exhaust is discharged, the harmful gas needs to react with hydrogen sulfide in the industrial exhaust through desulfurization lean solution (such as NaOH liquid) to form desulfurization rich solution, so that the absorption and removal of the hydrogen sulfide in the industrial exhaust are completed.
In the prior art, the separation work of hydrogen sulfide is generally performed in an absorption tower, namely: and (3) introducing the industrial waste gas into an absorption tower, spraying desulfurization lean solution in the absorption tower, and carrying out contact reaction and hydrogen sulfide removal to form desulfurization rich solution.
However, after the desulfurization lean solution reacts with hydrogen sulfide, a large amount of solid salt can be generated, salt particles easily block the desulfurization rich solution outlet below the absorption tower, so that the discharge amount of the desulfurization rich solution is small, and even the desulfurization rich solution outlet is completely blocked.
Disclosure of Invention
In view of the above problems, the present utility model provides a hydrogen sulfide absorption tower, which aims to prevent the blockage of a liquid outlet and ensure the smooth discharge of a desulfurization rich liquid.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
there is provided an absorption column for hydrogen sulfide, comprising: the absorption tower body is provided with the following parts from top to bottom along the gravity direction: gas outlet, liquid inlet, gas inlet and liquid outlet, still include: the circular filter plate is arranged between the gas inlet and the liquid outlet and is used for filtering and intercepting salt particles; the scraping plate is rotatably arranged above the round filter plate and is used for scraping salt particles on the surface of the round filter plate; the driving assembly is used for driving the scraping plate to rotate; a material leakage groove is formed on the round filter plate along the radial direction of the round filter plate and is used for salt particles to pass through and fall off; and the filter bag is arranged below the material leakage groove and is used for receiving salt particles.
Further, the drive assembly includes: the device comprises a mounting bracket, a rotating shaft, a transmission shaft and a driving motor, wherein the mounting bracket is fixedly arranged in an absorption tower body, one end of the rotating shaft is rotatably arranged on the mounting bracket, the other end of the rotating shaft is fixedly connected with a scraping plate, one end of the transmission shaft is connected with an output shaft of the driving motor, and the other end of the transmission shaft is connected with the rotating shaft through gear transmission.
Further, the length of the material leakage groove is larger than or equal to the radius of the round filter plate, and one end of the material leakage groove is in contact with the absorption tower body.
Further, the absorption tower body further includes: a supporting rod for supporting the filter bag is arranged along the length direction of the filter bag, and a roller for sliding the filter bag is also arranged on the supporting rod; on the motion path of the filter bag, a gate for the filter bag to enter/exit is arranged on the absorption tower body.
Further, a plurality of liquid inlets are arranged on the absorption tower body along the gravity direction, and atomizing nozzles are arranged on the liquid inlets.
Further, turbulators are arranged below the atomizing spray heads.
Further, a wire mesh demister is arranged below the gas outlet.
The beneficial effects of the utility model are as follows: the absorption tower body is also provided with: the circular filter plate is arranged between the gas inlet and the liquid outlet and is used for filtering and intercepting salt particles; the absorption tower body is also provided with: the scraping plate is rotatably arranged above the round filter plate and is used for scraping salt particles on the surface of the round filter plate; the surface of the round filter plate is ensured to be clean, and continuous filtration work can be continuously carried out on the continuous desulfurization rich liquid. By using the utility model, salt particles in the desulfurization rich liquid can be continuously filtered and collected, so that the phenomenon that the desulfurization rich liquid is accumulated in the absorption tower body due to the blockage of the liquid outlet is prevented, and the smooth discharge of the desulfurization rich liquid is ensured.
Drawings
Fig. 1 is a schematic view of the overall structure of the absorber body provided in the present application.
Fig. 2 is an enlarged partial schematic view of the portion a in fig. 1.
Fig. 3 is a top view of a circular filter plate and scraper assembly provided herein.
Wherein, 1, an absorption tower body; 11. a gas outlet; 12. a liquid inlet; 13. a gas inlet; 14. a liquid outlet; 15. a wire mesh demister; 2. a circular filter plate; 3. a scraper; 4. a material leakage groove; 5. a filter bag; 61. a mounting bracket; 62. a rotating shaft; 63. a transmission shaft; 64. a driving motor; 7. a support rod; 71. a roller; 72. a limiting block; 8. an atomizing nozzle; 9. turbulators.
Detailed Description
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 3, an embodiment of the present application discloses an absorption tower for hydrogen sulfide, comprising: the absorption tower body 1 is sequentially provided with the following components from top to bottom along the gravity direction on the absorption tower body 1: a gas outlet 11, a liquid inlet 12, a gas inlet 13 and a liquid outlet 14.
When the desulfurization lean solution is specifically used, industrial waste gas is introduced into the absorption tower body 1 through the gas inlet 13, and desulfurization lean solution is introduced into the absorption tower body 1 through the liquid inlet 12; under the action of gravity, the desulfurization lean solution contacts and reacts with industrial waste gas; the gas after desulfurization is continuously upward and discharged from the gas outlet 11, and the desulfurization rich liquid formed after desulfurization is continuously downward mixed with salt particles.
The absorption tower body 1 is also provided with: a circular filter plate 2 installed between the gas inlet 13 and the liquid outlet 14 for filtering and intercepting salt particles; salt particles are trapped on the surface of the circular filter plate 2, and the desulfurization rich liquid passes through the circular filter plate 2 and is discharged through the liquid outlet 14.
The absorption tower body 1 is also provided with: the scraping plate 3 is rotatably arranged above the round filter plate 2 and is used for scraping salt particles on the surface of the round filter plate 2; the surface of the round filter plate 2 is ensured to be clean, and continuous filtration work can be continuously carried out on the continuous desulfurization rich liquid.
It will be appreciated that salt particles scraped off by the scraper 3 accumulate on one side of the scraper 3; the apparatus further comprises: the driving assembly is used for driving the scraping plate 3 to rotate; a material leakage groove 4 which is arranged on the round filter plate 2 along the radial direction of the round filter plate 2 and is used for salt particles to pass through and fall off; and the filter bag 5 is arranged below the material leakage groove 4 and is used for receiving salt particles.
Specifically, the length of the material leakage groove 4 is larger than or equal to the radius of the round filter plate 2, and one end of the material leakage groove 4 is in contact with the absorption tower body 1; when pivoted scraper blade 3 passes through hourglass silo 4, under the effect of gravity, pile up in the salt granule of scraper blade 3 one side and fall into filter pocket 5 through hourglass silo 4, promote the cleanliness of scraper blade 3, guarantee the clean efficiency of scraper blade 3 to circular scraper blade 3.
By using the utility model, salt particles in the desulfurization rich liquid can be continuously filtered and collected, the phenomenon that the desulfurization rich liquid is accumulated in the absorption tower body 1 due to the blockage of the liquid outlet 14 is prevented, and the smooth discharge of the desulfurization rich liquid is ensured.
Of course, a plurality of filtering holes are arranged on the filtering pocket 5 and the round filter plate 2 for the desulfurization rich liquid to pass through and intercept salt particles.
Specifically, the drive assembly includes: the installation support 61, the axis of rotation 62, transmission shaft 63 and driving motor 64, installation support 61 fixed mounting is in absorber body 1, and the one end of axis of rotation 62 is rotatable to be installed on installation support 61, the other end fixed connection scraper blade 3, and the one end and the output shaft of driving motor 64 of transmission shaft 63 are connected, and the other end passes through gear drive and is connected with axis of rotation 62.
In the present embodiment, the mounting bracket 61 and the rotation shaft 62 are in driving connection through bearings; the rotating shaft 62 is vertically installed, the transmission shaft 63 is horizontally installed, and the rotating shaft 62 and the transmission shaft 63 are connected through bevel gears. The manner in which the bearings and bevel gears are mounted is well known in the art and is believed to be well within the skill of those in the art through the disclosure herein.
Further, the absorber body 1 further includes: a supporting rod 7 for supporting the filter bag 5 is arranged along the length direction of the filter bag 5, and a roller 71 for sliding the filter bag 5 is also arranged on the supporting rod 7; the method comprises the steps of carrying out a first treatment on the surface of the On the movement path of the filter pocket 5, a gate (not shown in the figure) for the filter pocket 5 to enter/exit is opened on the absorption tower body 1, and it is understood that the gate is opened on the side wall of the absorption tower body 1.
After the absorption tower body 1 continuously works for a period of time, a worker only needs to open the gate, pull out the filter pocket 5, put in a new filter pocket 5 and slide into the absorption tower body 1 again. Of course, a stopper 72 for restricting the sliding of the filter bag 5 is attached to the support rod 7 on the side of the filter bag 5 away from the absorber body 1.
Further, a plurality of liquid inlets 13 are arranged on the absorption tower body 1 along the gravity direction, and atomizing nozzles 8 are arranged on the liquid inlets 13 to scatter and atomize the desulfurization lean solution; according to the different sulfur content in different industrial waste gases, different numbers of liquid inlets 13 are formed to carry out multistage desulfurization on the industrial waste gases, and the method is suitable for the removal work of hydrogen sulfide with different concentrations.
Further, a turbulator 9 is arranged below the atomizing nozzle 8, and air is supplied upwards through the turbulator 9, so that continuous and stable upward movement of the industrial waste gas is ensured.
Further, a wire mesh demister 15 is arranged below the gas outlet 11, and is made of stainless steel and used for breaking foam formed by the desulfurization lean solution/desulfurization rich solution, so that the recovery rate of the desulfurization lean solution/desulfurization rich solution is ensured.
It will be apparent to those skilled in the art that while preferred embodiments of the present utility model have been described, additional variations and modifications may be made to these embodiments once the basic inventive concepts are known to those skilled in the art. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model. It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (7)
1. An absorption column for hydrogen sulfide comprising: the absorption tower body (1) is sequentially provided with the following components from top to bottom along the gravity direction: gas outlet (11), liquid inlet (12), gas inlet (13) and liquid outlet (14), characterized in that it further comprises:
a circular filter plate (2) installed between the gas inlet (13) and the liquid outlet (14) for filtering and intercepting salt particles;
the scraping plate (3) is rotatably arranged above the round filter plate (2) and is used for scraping salt particles on the surface of the round filter plate (2);
the driving assembly is used for driving the scraping plate (3) to rotate;
a material leakage groove (4) which is arranged on the round filter plate (2) along the radial direction of the round filter plate (2) and is used for the salt particles to pass through and fall off;
and the filter bag (5) is arranged below the material leakage groove (4) and is used for receiving the salt particles.
2. The hydrogen sulfide absorber of claim 1, wherein said drive assembly comprises: the device comprises a mounting bracket (61), a rotating shaft (62), a transmission shaft (63) and a driving motor (64), wherein the mounting bracket (61) is fixedly installed in an absorption tower body (1), one end of the rotating shaft (62) is rotatably installed on the mounting bracket (61) and is fixedly connected with the scraping plate (3), one end of the transmission shaft (63) is connected with an output shaft of the driving motor (64), and the other end of the transmission shaft is connected with the rotating shaft (62) through gear transmission.
3. The hydrogen sulfide absorption tower according to claim 1, wherein the length of the material leakage groove (4) is greater than or equal to the radius of the circular filter plate (2), and one end of the material leakage groove (4) is in contact with the absorption tower body (1).
4. The hydrogen sulfide absorber of claim 1, further comprising: a supporting rod (7) for supporting the filter bag (5) is arranged along the length direction of the filter bag (5), and a roller (71) for sliding the filter bag (5) is further arranged on the supporting rod (7); on the motion path of the filter bag (5), a gate for the filter bag (5) to enter/exit is arranged on the absorption tower body (1).
5. The absorption tower for hydrogen sulfide according to claim 1, wherein a plurality of liquid inlets (12) are provided on the absorption tower body (1) in the direction of gravity, and atomizing nozzles (8) are mounted on the liquid inlets (12).
6. The hydrogen sulfide absorption tower according to claim 5, characterized in that turbulators (9) are provided below the atomizer heads (8).
7. The hydrogen sulfide absorption tower according to claim 1, characterized in that a wire mesh demister (15) is provided below the gas outlet (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321981760.6U CN220496012U (en) | 2023-07-26 | 2023-07-26 | Absorption tower of hydrogen sulfide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321981760.6U CN220496012U (en) | 2023-07-26 | 2023-07-26 | Absorption tower of hydrogen sulfide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220496012U true CN220496012U (en) | 2024-02-20 |
Family
ID=89868981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321981760.6U Active CN220496012U (en) | 2023-07-26 | 2023-07-26 | Absorption tower of hydrogen sulfide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220496012U (en) |
-
2023
- 2023-07-26 CN CN202321981760.6U patent/CN220496012U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |