CN213492888U - Contain sour high temperature tail gas treatment system - Google Patents
Contain sour high temperature tail gas treatment system Download PDFInfo
- Publication number
- CN213492888U CN213492888U CN202022145300.2U CN202022145300U CN213492888U CN 213492888 U CN213492888 U CN 213492888U CN 202022145300 U CN202022145300 U CN 202022145300U CN 213492888 U CN213492888 U CN 213492888U
- Authority
- CN
- China
- Prior art keywords
- tail gas
- packing layer
- water tank
- buffer tank
- absorption tower
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000012856 packing Methods 0.000 claims abstract description 31
- 239000007921 spray Substances 0.000 claims abstract description 25
- 238000010521 absorption reaction Methods 0.000 claims abstract description 24
- 238000010791 quenching Methods 0.000 claims abstract description 21
- 239000002253 acid Substances 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 230000000171 quenching effect Effects 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims description 9
- 239000007789 gas Substances 0.000 description 57
- 238000005507 spraying Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Landscapes
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The utility model relates to an acid-containing high-temperature tail gas treatment system, which comprises a tail gas buffer tank, a quench tower and a tail gas absorption tower in sequence, wherein the left side and the right side of the tail gas buffer tank are provided with buffer tank air inlets, the lower end outlet of the quench tower is communicated with the inlet of the tail gas absorption tower, and the upper end outlet of the tail gas absorption tower is connected with a tail gas draught fan set; the bottom in the tail gas absorption tower is a water tank, a packing layer A and a packing layer B are sequentially arranged above the water tank from top to bottom, two rows of reverse spray nozzles are arranged between the packing layer A and the packing layer B, and the two rows of reverse spray nozzles are connected in parallel and are simultaneously connected with reverse spray pipes; two groups of forward spray nozzles are arranged above the inner part of the quenching tower; the overflow pipeline and the liquid discharge pipe are connected into the circulating water tank; the treatment system can effectively reduce the exhaust temperature of the tail gas, and can effectively remove acid-containing gas in the tail gas to achieve the aim of clean exhaust.
Description
Technical Field
The utility model belongs to the technical field of industrial waste gas treatment system technique and specifically relates to a contain sour high temperature tail gas treatment system is related to.
Background
At present, in chemical industry production enterprises, high-temperature tail gas containing acid gases such as hydrochloric acid and the like is often generated in the production process, if the tail gas is directly discharged into the atmosphere, acid mist and acid rain are formed, and meanwhile, the problem of great thermal pollution is also caused, the high-temperature tail gas has great adverse effects on climate and surrounding environment, and the high-temperature tail gas needs to be strictly treated, so that the high-temperature acid tail gas treatment process with reasonable design is necessary.
Disclosure of Invention
The utility model aims at the above condition, provide a contain sour high temperature tail gas processing system, this processing system not only can effectively reduce the discharge temperature of tail gas, can effectively clear away the sour gas that contains in the tail gas simultaneously, reaches the purpose of clean emission.
The utility model has the following concrete scheme: an acid-containing high-temperature tail gas treatment system sequentially comprises a tail gas buffer tank, a quench tower and a tail gas absorption tower, wherein the left side and the right side of the tail gas buffer tank are respectively provided with a buffer tank air inlet, the middle part of the tail gas buffer tank is provided with a buffer tank air outlet, the buffer tank air outlet is communicated with the upper end inlet of the quench tower, the lower end outlet of the quench tower is communicated with the inlet of the tail gas absorption tower, and the upper end outlet of the tail gas absorption tower is connected with a tail gas induced draft fan set; the bottom in the tail gas absorption tower is a water tank, a packing layer A and a packing layer B are sequentially arranged above the water tank from top to bottom, two rows of reverse spray nozzles are arranged between the packing layer A and the packing layer B, the two rows of reverse spray nozzles are connected in parallel and are simultaneously connected with reverse spray pipes, an overflow groove and an overflow pipeline are arranged at one side of the water tank, and a liquid discharge pipe is arranged at the other side of the water tank; two groups of forward spray nozzles are arranged above the interior of the quenching tower, and are arranged in parallel and connected with a forward spray pipe simultaneously; still be equipped with circulating water tank, circulating pump and cooling heat exchanger, during above-mentioned overflow pipeline and fluid-discharge tube inserted circulating water tank, water in the circulating water tank passed through circulating pump and cooling heat exchanger in proper order and is connected with reverse shower and forward shower respectively.
Further, in the utility model, the packing layer A is a Raschig ring packing layer, and the packing layer B is a plastic pall ring random packing.
Further, in the present invention, the exhaust induced draft unit is formed by connecting two exhaust induced draft fans in parallel.
The utility model discloses structural design is simple compact, when carrying out tail gas acid gas and drive, greatly reduced the exhaust temperature of tail gas, reduced thermal pollution, can effectively improve the climatic environment on every side, have fine socioeconomic value.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
In the figure: 1-buffer tank air inlet, 2-tail gas buffer tank, 3-buffer tank gas outlet, 4-cisoid shower, 5-cisoid shower nozzle, 6-quench tower, 7-packing layer A, 8-reverse shower nozzle, 9-tail gas absorption tower, 10-tail gas absorption tower's entry, 11-overflow pipeline, 12-overflow launder, 13-tail gas draught fan, 14-packing layer B, 15-reverse shower, 16-pond, 17-fluid-discharge tube, 18-circulating water tank, 19-circulating pump, 20-cooling heat exchanger.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings 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 of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the utility model is used, and are only for convenience of describing the present invention or simplifying the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed or operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, the utility model relates to an acid-containing high-temperature tail gas treatment system, which comprises a tail gas buffer tank 2, a quench tower 6 and a tail gas absorption tower 9 in sequence, wherein the left and right sides of the tail gas buffer tank are provided with buffer tank air inlets 1, the middle part of the tail gas buffer tank is provided with a buffer tank air outlet 3, the buffer tank air outlet is communicated with the upper end inlet of the quench tower, the lower end outlet of the quench tower is communicated with an inlet 10 of the tail gas absorption tower, and the upper end outlet of the tail gas absorption tower is connected with a tail gas draught fan set; the bottom in the tail gas absorption tower is a water tank 16, a packing layer A7 and a packing layer B14 are sequentially arranged above the water tank from top to bottom, two rows of reverse spray nozzles 8 are arranged between the packing layer A and the packing layer B, the two rows of reverse spray nozzles are connected in parallel and are simultaneously connected with a reverse spray pipe 15, an overflow groove 12 and an overflow pipeline 11 are arranged at one side of the water tank, and a liquid discharge pipe 17 is arranged at the other side of the water tank; two groups of forward spray nozzles 5 are arranged above the interior of the quenching tower, are arranged in parallel and are simultaneously connected with a forward spray pipe 4; the circulating water tank is also provided with a circulating water tank 18, a circulating pump 19 and a cooling heat exchanger 20, the overflow pipeline and the liquid discharge pipe are connected into the circulating water tank, and water in the circulating water tank sequentially passes through the circulating pump and the cooling heat exchanger and is respectively connected with the reverse spray pipe and the forward spray pipe.
Further, in this embodiment, the filler layer a is a raschig ring filler layer, and the filler layer B is a plastic pall ring random packing.
Further, in this embodiment, the exhaust induced draft fan unit is formed by connecting two exhaust induced draft fans 13 in parallel.
The utility model discloses a whole process flow goes on like this:
high-temperature acid-containing tail gas enters from buffer tank gas inlets 1 symmetrically arranged at two ends of the tail gas buffer tank and is then extracted from a buffer tank gas outlet 3, so that tail gas can be collected and uniformly extracted, and the subsequent quenching and cooling are facilitated; tail gas enters a quench tower from top to bottom and is sprayed through forward spray nozzles, the two forward spray nozzles are arranged in parallel, one of the forward spray nozzles is used for supplying water for normal spraying, the other forward spray nozzle is used for spraying water for quenching when the temperature is over-high, acid gas can be cooled and dissolved in water during spraying and flows into a tail gas absorption tower along an outlet at the lower end of the quench tower, at the moment, gas which is not completely dissolved in water also enters the tail gas absorption tower from an outlet at the lower end of the quench tower, then flows upwards from a packing layer B and the packing layer A and is led out from an outlet at the upper end of the tail gas absorption tower; the middle packing layer B and the middle packing layer A can increase the contact absorption area of the acid gas and the dust in the tail gas, and better absorb and remove the acid gas and the dust in the tail gas.
The spraying liquid in the pool can be circularly pumped out through the circulating pump for spraying, and the spraying liquid is cooled through the cooling heat exchanger after circulating out every time and then is sprayed for use.
The utility model discloses an absorption treatment effect of whole technology to high temperature acid tail gas is good, and is efficient, can be according to actual conditions suitable adjustment technology, and is relatively nimble.
The utility model discloses structural design is simple compact, when carrying out tail gas acid gas and drive, greatly reduced the exhaust temperature of tail gas, reduced thermal pollution, can effectively improve the climatic environment on every side, have fine socioeconomic value.
Claims (3)
1. The acid-containing high-temperature tail gas treatment system is characterized in that: the tail gas absorption tower comprises a tail gas buffer tank, a quench tower and a tail gas absorption tower in sequence, wherein the left side and the right side of the tail gas buffer tank are both provided with buffer tank gas inlets, the middle part of the tail gas buffer tank is provided with a buffer tank gas outlet, the buffer tank gas outlet is communicated with the upper end inlet of the quench tower, the lower end outlet of the quench tower is communicated with the inlet of the tail gas absorption tower, and the upper end outlet of the tail gas absorption tower is connected with a tail gas induced draft fan set; the bottom in the tail gas absorption tower is a water tank, a packing layer A and a packing layer B are sequentially arranged above the water tank from top to bottom, two rows of reverse spray nozzles are arranged between the packing layer A and the packing layer B, the two rows of reverse spray nozzles are connected in parallel and are simultaneously connected with reverse spray pipes, an overflow groove and an overflow pipeline are arranged at one side of the water tank, and a liquid discharge pipe is arranged at the other side of the water tank; two groups of forward spray nozzles are arranged above the interior of the quenching tower, and are arranged in parallel and connected with a forward spray pipe simultaneously; still be equipped with circulating water tank, circulating pump and cooling heat exchanger, during above-mentioned overflow pipeline and fluid-discharge tube inserted circulating water tank, water in the circulating water tank passed through circulating pump and cooling heat exchanger in proper order and is connected with reverse shower and forward shower respectively.
2. The acid-containing high-temperature tail gas treatment system according to claim 1, characterized in that: the packing layer A is a Raschig ring packing layer, and the packing layer B is a plastic pall ring random packing.
3. The acid-containing high-temperature tail gas treatment system according to claim 1, characterized in that: the tail gas induced draft fan unit is formed by connecting two tail gas induced draft fans in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022145300.2U CN213492888U (en) | 2020-09-27 | 2020-09-27 | Contain sour high temperature tail gas treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022145300.2U CN213492888U (en) | 2020-09-27 | 2020-09-27 | Contain sour high temperature tail gas treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213492888U true CN213492888U (en) | 2021-06-22 |
Family
ID=76462566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022145300.2U Expired - Fee Related CN213492888U (en) | 2020-09-27 | 2020-09-27 | Contain sour high temperature tail gas treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213492888U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115722037A (en) * | 2022-11-14 | 2023-03-03 | 安徽省海徽化工有限公司 | Tail gas treatment method for producing nitroso-sulfuric acid by sulfur dioxide method |
-
2020
- 2020-09-27 CN CN202022145300.2U patent/CN213492888U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115722037A (en) * | 2022-11-14 | 2023-03-03 | 安徽省海徽化工有限公司 | Tail gas treatment method for producing nitroso-sulfuric acid by sulfur dioxide method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210622 |