CN215506303U - Alkylbenzene process waste gas alkali washing tank - Google Patents
Alkylbenzene process waste gas alkali washing tank Download PDFInfo
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- CN215506303U CN215506303U CN202120309710.8U CN202120309710U CN215506303U CN 215506303 U CN215506303 U CN 215506303U CN 202120309710 U CN202120309710 U CN 202120309710U CN 215506303 U CN215506303 U CN 215506303U
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- waste gas
- washing tank
- alkaline washing
- alkylbenzene
- tank body
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/30—Capture or disposal of greenhouse gases of perfluorocarbons [PFC], hydrofluorocarbons [HFC] or sulfur hexafluoride [SF6]
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- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The utility model provides an alkylbenzene process waste gas alkali washing tank. The alkaline washing tank comprises an alkaline washing tank body, wherein the alkaline washing tank body is connected with a waste gas inlet pipeline, a tail gas exhaust port is arranged above the alkaline washing tank body, the waste gas inlet pipeline is connected with a horizontally arranged waste gas distribution pipeline arranged at the bottom of the alkaline washing tank body, a plurality of vent holes with the diameter of 15mm downwards are uniformly arranged on the waste gas distribution pipeline, and three layers of partition plates with sieve pores are arranged in a staggered manner above the waste gas distribution pipeline in the alkaline washing tank body. The utility model effectively solves the problems of poor neutralization effect of the waste gas of the alkylbenzene process in the alkaline washing tank and overhigh concentration of hydrofluoric acid (HF) in the waste gas, greatly improves the environmental protection benefit of the device and ensures the health of staff. Meanwhile, the modification can effectively save the using amount of liquid caustic soda in the waste gas neutralization system of the alkylbenzene process, and can create considerable economic benefits for enterprises.
Description
The technical field is as follows:
the utility model relates to an alkylbenzene process waste gas alkali washing tank, and belongs to the technical field of chemical equipment.
Background art:
the process waste gas containing hydrofluoric acid (HF) is generated in the alkylbenzene process production, and the hydrofluoric acid (HF) has extremely high volatility and corrosivity, so that the alkali washing tank adopted in the past has a simple structure and low neutralization efficiency, can not effectively neutralize the hydrofluoric acid in the waste gas and can not meet the current environmental protection requirement.
The utility model has the following contents:
the utility model aims to provide an alkylbenzene process waste gas alkaline washing tank aiming at the existing problems, which effectively solves the problems that the neutralization effect of the alkylbenzene process waste gas alkaline washing tank is poor and the concentration of hydrofluoric acid (HF) in waste gas is too high, greatly improves the environmental protection benefit of the device and ensures the body health of staff. Meanwhile, the modification can effectively save the using amount of liquid caustic soda in the waste gas neutralization system of the alkylbenzene process, and can create considerable economic benefits for enterprises.
The above purpose is realized by the following technical scheme:
the utility model provides an alkylbenzene technology waste gas alkali wash jar, includes the alkali wash jar body, alkali wash jar body coupling waste gas inlet pipeline, alkali wash jar body top is provided with the tail gas vent, waste gas inlet pipeline connects the waste gas distribution pipeline that sets up the level in alkali wash jar body bottom and set up, evenly be provided with a plurality of directions 15mm air vents downwards on the waste gas distribution pipeline, alkali wash jar body the inside is located the top of waste gas distribution pipeline is provided with the baffle of taking the sieve mesh of three-layer staggered arrangement.
The waste gas distribution pipeline of the alkylbenzene process waste gas alkali washing tank is provided with two parallel waste gas distribution pipelines, and the waste gas distribution pipelines are connected with the waste gas inlet pipeline through a three-way pipe.
The waste gas alkali washing tank for the alkylbenzene process is characterized in that an alkali liquor level monitor is arranged on the alkali washing tank body.
The waste gas alkali washing tank for the alkylbenzene process is characterized in that the alkali washing tank body is arranged horizontally.
The distance between the adjacent vent holes of the alkylbenzene process waste gas alkaline washing tank is 20-30 mm.
Has the advantages that:
1. according to the utility model, 2 inlet waste gas distribution pipelines are additionally arranged at the bottom of the alkaline washing tank, each pipeline is provided with a plurality of vent holes of the hot brans 15 downwards in the direction, and the waste gas is uniformly distributed through the vent holes on the pipelines and then is fully mixed with the alkaline liquor. Can effectively solve the problem that the waste gas and the alkali liquor can not be fully contacted and mixed when the air is fed through a single inlet before modification. In order to further improve the neutralization efficiency of the alkali liquor, three partition plates with sieve pores are arranged in the alkali wash tank, and the neutralization efficiency of the alkali wash tank is further improved by increasing the contact time and mixing effect of the waste gas and the alkali liquor.
2. Experiments prove that the waste gas alkaline washing tank can effectively solve the problems of poor neutralizing effect of the waste gas alkaline washing tank in the alkylbenzene process and overhigh concentration of hydrofluoric acid (HF) in the waste gas, greatly improves the environmental protection benefit of the device, and ensures the physical health of staff. Meanwhile, the modification can effectively save the using amount of liquid caustic soda in the waste gas neutralization system of the alkylbenzene process, and can create considerable economic benefits for enterprises. And the modification optimizes the prior neutralization operation, so that the modified neutralization system is simpler to operate, and is more environment-friendly and safer.
Description of the drawings:
fig. 1 is a perspective schematic view of a front view structure of the present invention.
Fig. 2 is a perspective schematic view of the left side view structure of the present invention.
Fig. 3 is a perspective schematic view of the bottom structure of the present invention.
Fig. 4 is a schematic structural view of the separator with sieve holes of the present invention.
In the figure: 1. washing the tank body with alkali; 2. an exhaust gas inlet conduit; 3. a tail gas exhaust port; 4. an exhaust gas distribution line; 5. a vent hole; 6. a separator plate with sieve pores; 7. a three-way pipe; 8. alkali liquor level monitor.
The specific implementation mode is as follows:
as shown in fig. 1: the alkylbenzene process waste gas alkali washing tank of this embodiment, including the alkali washing jar body 1, alkali washing jar body coupling waste gas inlet pipeline 2, alkali washing jar body top is provided with tail gas vent 3, waste gas inlet pipeline connects the waste gas distribution pipeline 4 that sets up the level in alkali washing jar body bottom, evenly be provided with a plurality of directions towns 15mm air vent 5 on the waste gas distribution pipeline, alkali washing jar body the inside is located the top of waste gas distribution pipeline is provided with the baffle 6 of taking the sieve mesh that the three-layer staggered arrangement.
The waste gas distribution pipeline of the alkylbenzene process waste gas alkali washing tank is provided with two parallel waste gas distribution pipelines which are connected with the waste gas inlet pipeline through a three-way pipe 7.
The waste gas alkali washing tank for the alkylbenzene process is characterized in that an alkali liquor level monitor 8 is arranged on the alkali washing tank body.
The waste gas alkali washing tank for the alkylbenzene process is characterized in that the alkali washing tank body is arranged horizontally.
The distance between the adjacent vent holes of the alkylbenzene process waste gas alkaline washing tank is 20-30 mm.
The working process is as follows:
2 entry waste gas distribution pipelines have been increased newly in the bottom of alkali wash jar, and every pipeline is opened has a plurality of direction 15 air vents downwards, and waste gas mixes with alkali lye intensive mixing after passing through the air vent evenly distributed on the pipeline. Can effectively solve the problem that the waste gas and the alkali liquor can not be fully contacted and mixed when the air is fed through a single inlet before modification. In order to further improve the neutralization efficiency of the alkali liquor, three partition plates with sieve pores are arranged in the alkali wash tank, and the neutralization efficiency of the alkali wash tank is further improved by increasing the contact time and mixing effect of the waste gas and the alkali liquor.
The technical means disclosed by the scheme of the utility model are not limited to the technical means disclosed by the technical means, and also comprise the technical scheme formed by equivalent replacement of the technical features. The present invention is not limited to the details given herein, but is within the ordinary knowledge of those skilled in the art.
Claims (5)
1. An alkylbenzene process waste gas alkali washing tank is characterized in that: including the alkaline washing jar body, alkaline washing jar body coupling waste gas inlet pipeline, alkaline washing jar body top is provided with the tail gas vent, waste gas inlet pipeline connects the waste gas distribution pipeline that sets up at the level of alkaline washing jar body bottom, evenly be provided with a plurality of directions 15mm air vents downwards on the waste gas distribution pipeline, alkaline washing jar body the inside is located the top of waste gas distribution pipeline is provided with the baffle of taking the sieve mesh of three-layer staggered arrangement.
2. The alkylbenzene process exhaust gas caustic wash tank as claimed in claim 1, wherein: the waste gas distribution pipeline is provided with two parallel pipelines which are connected with the waste gas inlet pipeline through a three-way pipe.
3. The alkylbenzene process exhaust gas caustic wash tank as claimed in claim 1, wherein: and the alkaline washing tank body is provided with an alkaline liquor level monitor.
4. The alkylbenzene process exhaust gas caustic wash tank as claimed in claim 1, wherein: the alkaline washing tank body is arranged horizontally.
5. The alkylbenzene process exhaust gas caustic wash tank as claimed in claim 1, wherein: the distance between the adjacent vent holes is 20-30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120309710.8U CN215506303U (en) | 2021-02-04 | 2021-02-04 | Alkylbenzene process waste gas alkali washing tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120309710.8U CN215506303U (en) | 2021-02-04 | 2021-02-04 | Alkylbenzene process waste gas alkali washing tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215506303U true CN215506303U (en) | 2022-01-14 |
Family
ID=79799189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120309710.8U Active CN215506303U (en) | 2021-02-04 | 2021-02-04 | Alkylbenzene process waste gas alkali washing tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215506303U (en) |
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2021
- 2021-02-04 CN CN202120309710.8U patent/CN215506303U/en active Active
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