CN110624368A - Harmful gas treatment system, application and treatment method - Google Patents
Harmful gas treatment system, application and treatment method Download PDFInfo
- Publication number
- CN110624368A CN110624368A CN201910906197.8A CN201910906197A CN110624368A CN 110624368 A CN110624368 A CN 110624368A CN 201910906197 A CN201910906197 A CN 201910906197A CN 110624368 A CN110624368 A CN 110624368A
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- CN
- China
- Prior art keywords
- supporting rod
- protective cover
- air inlet
- harmful gas
- treatment system
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1406—Multiple stage absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1412—Controlling the absorption process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1425—Regeneration of liquid absorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1487—Removing organic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
Abstract
The invention discloses a harmful gas treatment system, application and a treatment method, wherein the system comprises an air inlet protective cover, an air guide pipeline and a spray absorption tower, wherein two ends of the air guide pipeline are respectively connected with the spray absorption tower and the air inlet protective cover, and the harmful gas treatment system is characterized in that: the air guide pipeline is provided with a hollow fixed support rod; a movable support rod is arranged inside the fixed support rod; threaded holes are formed in the air inlet protective cover, the fixed supporting rod and the movable supporting rod, bolts penetrate through the threaded holes, nuts are arranged at the upper threaded hole and the lower threaded hole of the fixed supporting rod, and meanwhile bolt caps of the bolts are arranged at the lower end of the threaded holes of the air inlet protective cover; and a protective supporting rod penetrates through the fixed supporting rod and the movable supporting rod at the position between the air guide pipeline and the bolt, and the lower end of the protective supporting rod is fixed on the air inlet protective cover. The treatment system disclosed by the invention has the advantages of high absorption speed, high automation degree, safety and environmental friendliness when being applied to barreled pyridine tail gas.
Description
Technical Field
The invention belongs to the technical field of harmful gas treatment, and particularly relates to a harmful gas treatment system, application and a treatment method, in particular to a system and a method for extracting and treating barreled pyridine tail gas.
Background
During chemical production, partial harmful gas is easily generated due to the characteristics of raw materials, and when the concentration of the harmful gas is too high, the harm to a respiratory system of a worker is easily caused. For example, pyridine, which is an organic compound having malodor, is industrially useful as a denaturant, an auxiliary dye, and a raw material for synthesizing a series of products (including drugs, insecticides, disinfectants, dyes, etc.), but causes dizziness, headache, insomnia, gait instability, digestive tract dysfunction, and even liver and kidney damage and dermatitis which may occur by long-term inhalation, thus causing difficulty in its production and use. In order to guarantee the air quality in the production and use of pyridine, facilitate the operation of personnel, reduce the inhalation of toxic gas into human body, improve the operation convenience and solve the problem of environmental protection treatment, a harmful gas treatment system, application and a treatment method are provided.
Disclosure of Invention
In order to solve the technical problems, the invention provides a harmful gas treatment system, application and a treatment method, which not only improve the air quality of a chemical production workshop, but also solve the problem of environmental protection treatment, thereby realizing the aim of chemical environmental protection production.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a harmful gas's processing system, includes safety cover, induced air duct and the absorption tower that sprays that admits air, induced air duct both ends are connected its characterized in that with the absorption tower that sprays and the safety cover that admits air respectively: the air guide pipeline is fixedly provided with a hollow fixed support rod through a buckle and used for fixing the air inlet protective cover; a movable support rod is arranged in the fixed support rod and used for finely adjusting the height of the air inlet protective cover; threaded holes are formed in the air inlet protective cover, the fixed supporting rod and the movable supporting rod, bolts penetrate through the threaded holes, nuts are arranged at the upper threaded hole and the lower threaded hole of the fixed supporting rod and used for positioning the position of the movable supporting rod, and meanwhile, bolt caps of the bolts are arranged at the lower end of the threaded holes of the air inlet protective cover; the position between the air guide pipeline and the bolt penetrates through the fixed supporting rod and the movable supporting rod, the lower end of the protective supporting rod is fixed on the air inlet protective cover and used for fixing the direction and the position of the protective cover.
Furthermore, the connection part of the air inlet protective cover and the induced air pipeline is additionally provided with a support and a pipeline flexible connection.
Furthermore, the induced air pipeline is provided with a pneumatic stop valve, the stop valve is opened when harmful gas is extracted manually, and the stop valve is automatically closed after the raw materials are finished.
Furthermore, a concentration detector is arranged at the top of the spraying absorption tower, so that accurate recycling of liquid and environment-friendly alarm of detection equipment are guaranteed.
Furthermore, a flame arrester is arranged at the top of the spraying absorption tower.
Further, a liquid level meter is installed in the spray absorption tower.
Furthermore, the number of the fixed supporting rods is at least two.
Further, the harmful gas treatment system is applied to treatment of barreled pyridine tail gas.
The method for treating the barreled pyridine tail gas by using the harmful gas treatment system comprises the following specific steps:
1) checking whether a liquid level meter in the spray absorption tower reaches a set value, and if not, supplementing the liquid level meter to the set value;
2) when the temperature of the barreled pyridine reaches 60 ℃, the supporting rod is moved to a proper position by adjusting the bolt, and then the nut is fixed to ensure that the supporting rod does not move;
3) opening the air inlet protective cover, and fixing the position of the protective cover again by using the protective supporting rod;
4) checking whether the support and the pipeline flexible connection are connected well, if the connection is normal, opening a pneumatic cut-off valve, then opening an induced draft fan, adjusting the frequency of the induced draft fan to 80%, then opening a barrel cover of the pyridine barrel, automatically extracting by using a pyridine extraction pipe, and extracting tail gas generated in the extraction process into a spray absorption tower through an air inlet protective cover and an induced draft pipeline;
5) when the concentration detector detects that the liquid concentration reaches a certain set value, an operator is prompted through alarming, a pump P1001 is started to be used as synthetic bottom water through a saturated liquid pipeline, after extraction is finished, after 300 seconds of delay, a pneumatic stop valve is closed firstly, an induced draft fan is closed, then a protective cover supporting rod, a loose bolt automatic adjustment and a movable supporting rod are sequentially closed in sequence, finally, support and pipeline flexible connection are checked, and an air inlet protective cover is placed at an initial position for next use.
Compared with the prior art, the invention has the beneficial effects that:
1) the invention adds support and pipeline flexible connection at the connection part of the air inlet protective cover and the induced air pipeline, reduces the damage frequency of the pipeline, and specifies how to reduce the damage frequency of the pipeline;
2) the exhaust gas purifier is provided with the hollow fixed support rod through the buckle, the movable support rod is arranged in the fixed support rod, the fixed support rod is used for fixing and adjusting the position of the gas inlet protection cover in a large range, and the movable support rod is used for finely adjusting the height and the position of the gas inlet protection cover, so that exhaust gas can be fully pumped away; the movable support rod is freely adjusted and fixed through the bolt and the matched nut, so that the position of the movable rod is positioned, the original fixed extraction position is changed through the free adjustment of the movable support rod, the adjustment of any angle is convenient, and no dead angle is achieved; meanwhile, the protective supporting rod is arranged for secondary fixation, so that the fixation of the direction and the position of the air inlet protective cover in use is ensured;
3) according to the invention, the pneumatic stop valve is arranged on the air guide pipeline, the stop valve is opened when harmful gas is extracted manually, and the stop valve is automatically closed after the raw materials are finished, so that the frequency of manual operation required by an operator each time is reduced, manual operation is really replaced automatically, and the labor efficiency is greatly improved;
4) according to the invention, the concentration detection alarm device is arranged at the top of the original spray absorption tower, the pH value in the tower is ensured to be acidic through multi-stage spray absorption, when the color is colorless or transparent, the absorption liquid is discharged into a wastewater kettle for distillation, and the distilled water is continuously used as bottom water, so that the problem of environmental protection treatment is solved, the working environment is further improved, and the spray absorption tower is also provided with a flame arrester, so that the safety in the absorption process is further improved.
Drawings
FIG. 1 is a schematic plan view of a harmful gas treatment system according to the present invention;
FIG. 2 is a top view of the air intake shroud of the present invention;
FIG. 3 is a schematic plan view of a spray absorber according to the present invention;
in the figure, 1-movable supporting rod, 2-fixed supporting rod, 3-bolt, 4-protective supporting rod, 5-automatic cut-off valve, 6-induced air pipeline, 7-air inlet protective cover, 8-chemical raw material container, 9-harmful gas, 10-support and pipeline flexible connection, 11-harmful gas extraction pipe, 12-spray absorption tower, 301-nut, 302-bolt cap, 1201-concentration meter, 1202-level meter, 1203-saturated liquid pipeline, 1204-pump, 1205-induced draft fan, 1206-flame arrester and 1207-air release pipe.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples, which are suitable for explaining and illustrating the present invention but not intended to limit the scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in fig. 1-3:
the invention provides a harmful gas treatment system, which comprises an air inlet protective cover 7, an air guide pipeline 6 and a spray absorption tower 12, wherein two ends of the air guide pipeline 6 are respectively connected with the spray absorption tower 12 and the air inlet protective cover 7, and a hollow fixed support rod 2 is arranged on the air guide pipeline 6 and used for fixing the air inlet protective cover; the movable support rod 1 is arranged in the fixed support rod 2 and used for finely adjusting the height of the air inlet protective cover; threaded holes are formed in the air inlet protective cover 7, the fixed supporting rod 2 and the movable supporting rod 1, bolts 3 penetrate through the threaded holes, nuts 301 are arranged at the upper threaded hole and the lower threaded hole of the fixed supporting rod and used for positioning the position of the movable supporting rod, and meanwhile, the bolt caps 301 of the bolts 3 are arranged at the lower end of the threaded holes of the air inlet protective cover; the position between the induced air pipeline 6 and the bolt 3 is passed the fixed support rod 2 and the movable support rod 1 are provided with a protective support rod 4, and the lower end of the protective support rod 4 is fixed on the air inlet protective cover 7 and used for fixing the direction and the position of the protective cover.
The joint of the air inlet protective cover and the induced air pipeline is additionally provided with supports and pipeline flexible connections, so that the damage frequency of the pipeline is reduced.
The pneumatic stop valve 5 is installed on the induced draft pipeline, the stop valve is opened when harmful gas is extracted manually, the stop valve is automatically closed after raw materials are finished, manual operation is automatically replaced, and labor efficiency is greatly improved.
A concentration detector 1201 is arranged at the top of the spraying absorption tower, so that accurate recycling of liquid and environment-friendly detection equipment alarming are guaranteed.
The top of the spray absorption tower is provided with a flame arrester 1207, so that the safety in the absorption process is further improved.
The liquid level meter is arranged in the spray absorption tower, the pH value in the tower is ensured to be acidic through multi-stage spray absorption, when the color is colorless or transparent, the absorption liquid is discharged into the wastewater kettle for distillation, and the distilled water is continuously used as bottom water, so that the problem of environmental protection requirement treatment is solved, and the environment is further improved.
The number of the fixed supporting rods is at least two, and when the number of the fixed supporting rods is more than three, the fixed supporting rods form a closed structure, such as a triangle, a quadrangle and the like.
When the harmful gas treatment system is applied to treatment of barreled pyridine tail gas, the method comprises the following specific steps:
1) checking whether a liquid level meter in the spray absorption tower reaches a set value, and if not, supplementing the liquid level meter to the set value;
2) when the temperature of the barreled pyridine reaches 60 ℃, the supporting rod is moved to a proper position by adjusting the bolt, and then the nut is fixed to ensure that the supporting rod does not move;
3) opening the air inlet protective cover, and fixing the position of the protective cover again by using the protective supporting rod;
4) checking whether the support and the pipeline flexible connection are connected well, if the connection is normal, opening a pneumatic cut-off valve, then opening an induced draft fan, adjusting the frequency of the induced draft fan to 80%, then opening a barrel cover of the pyridine barrel, automatically extracting by using a pyridine extraction pipe, and extracting tail gas generated in the extraction process into a spray absorption tower through an air inlet protective cover and an induced draft pipeline;
5) when the concentration detector detects that the liquid concentration reaches a certain set value, an operator is prompted through alarming, the pump is started to be used as synthetic bottom water through a saturated liquid pipeline, after extraction is finished, after 300 seconds of delay, the pneumatic stop valve is closed firstly, the induced draft fan is closed, then the protective cover supporting rod is closed in sequence, the bolt is automatically adjusted in a loosening mode, the supporting rod is moved, the support and the pipeline flexible connection are checked at last, the air inlet protective cover is placed at the initial position, and the air inlet protective cover is ready for next use.
Claims (9)
1. The utility model provides a harmful gas's processing system, includes safety cover, induced air duct and the absorption tower that sprays that admits air, induced air duct both ends are connected its characterized in that with the absorption tower that sprays and the safety cover that admits air respectively: the air guide pipeline is provided with a hollow fixed support rod for fixing the air inlet protective cover; a movable support rod is arranged in the fixed support rod and used for finely adjusting the height of the air inlet protective cover; threaded holes are formed in the air inlet protective cover, the fixed supporting rod and the movable supporting rod, bolts penetrate through the threaded holes, nuts are arranged at the upper threaded hole and the lower threaded hole of the fixed supporting rod and used for positioning the position of the movable supporting rod, and meanwhile, bolt caps of the bolts are arranged at the lower end of the threaded holes of the air inlet protective cover; the position between the air guide pipeline and the bolt penetrates through the fixed supporting rod and the movable supporting rod, the lower end of the protective supporting rod is fixed on the air inlet protective cover and used for fixing the direction and the position of the protective cover.
2. The harmful gas treatment system according to claim 1, wherein: the connection part of the air inlet protective cover and the induced air pipeline is additionally provided with a support and a pipeline flexible connection.
3. A harmful gas treatment system according to claim 1 or 2, characterized in that: the pneumatic stop valve is arranged on the induced draft pipeline, the stop valve is opened when harmful gas is extracted manually, and the stop valve is automatically closed after raw materials are finished.
4. A harmful gas treatment system according to any one of claims 1 to 3, characterized in that: and a concentration detector is arranged at the top of the spraying absorption tower.
5. The harmful gas treatment system according to any one of claims 1 to 4, wherein: and a flame arrester is arranged at the top of the spraying absorption tower.
6. The harmful gas treatment system according to any one of claims 1 to 5, wherein: and a liquid level meter is arranged in the spraying absorption tower.
7. The harmful gas treatment system according to any one of claims 1 to 5, wherein: the number of the fixed supporting rods is at least two.
8. Use of a harmful gas treatment system, characterized in that: the harmful gas treatment system of any one of claims 1 to 6 is adopted to treat the barreled pyridine tail gas.
9. A method for treating a harmful gas, which comprises treating pyridine tail gas using the harmful gas treatment system according to claim 6, wherein: the method comprises the following specific steps:
1) checking whether a liquid level meter in the spray absorption tower reaches a set value, and if not, supplementing the liquid level meter to the set value;
2) when the temperature of the barreled pyridine reaches 60 ℃, the supporting rod is moved to a proper position by adjusting the bolt, and then the nut is fixed to ensure that the supporting rod does not move;
3) opening the air inlet protective cover, and fixing the position of the protective cover again by using the protective supporting rod;
4) checking whether the support and the pipeline flexible connection are connected well, if the connection is normal, opening a pneumatic cut-off valve, then opening an induced draft fan, adjusting the frequency of the induced draft fan to 80%, then opening a barrel cover of the pyridine barrel, automatically extracting by using a pyridine extraction pipe, and extracting tail gas generated in the extraction process into a spray absorption tower through an air inlet protective cover and an induced draft pipeline;
5) when the concentration detector detects that the liquid concentration reaches a certain set value, an operator is prompted through alarming, a pump P1001 is started to be used as synthetic bottom water through a saturated liquid pipeline, after extraction is finished, after 300 seconds of delay, a pneumatic stop valve is closed firstly, an induced draft fan is closed, then a protective cover supporting rod, a loose bolt automatic adjustment and a movable supporting rod are sequentially closed in sequence, finally, support and pipeline flexible connection are checked, and an air inlet protective cover is placed at an initial position for next use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910906197.8A CN110624368A (en) | 2019-09-24 | 2019-09-24 | Harmful gas treatment system, application and treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910906197.8A CN110624368A (en) | 2019-09-24 | 2019-09-24 | Harmful gas treatment system, application and treatment method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110624368A true CN110624368A (en) | 2019-12-31 |
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ID=68974149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910906197.8A Pending CN110624368A (en) | 2019-09-24 | 2019-09-24 | Harmful gas treatment system, application and treatment method |
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| CN (1) | CN110624368A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10124649A1 (en) * | 2000-05-19 | 2001-12-13 | Walter Georg Steiner | Method to recover atmospheric water; involves using water recovery chamber with refrigerant cooled by cold collectors by night and fluid in heat accumulator heated by solar collectors by day |
| CN207048809U (en) * | 2017-07-21 | 2018-02-27 | 贵州理工学院 | Coal-face dust collecting system |
| CN108465349A (en) * | 2018-05-31 | 2018-08-31 | 德清菁英信息科技有限公司 | A kind of gas purifying equipment |
| CN208912769U (en) * | 2018-10-12 | 2019-05-31 | 济南晶硕电子有限公司 | A kind of simple extractor fan in GPP cleaning |
| CN208990462U (en) * | 2018-10-17 | 2019-06-18 | 柴浩 | A kind of architectural environment engineering cleaner |
| CN109908732A (en) * | 2019-04-12 | 2019-06-21 | 周粉粉 | A kind of environment-friendly engineering waste gas purification apparatus of more applications |
-
2019
- 2019-09-24 CN CN201910906197.8A patent/CN110624368A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10124649A1 (en) * | 2000-05-19 | 2001-12-13 | Walter Georg Steiner | Method to recover atmospheric water; involves using water recovery chamber with refrigerant cooled by cold collectors by night and fluid in heat accumulator heated by solar collectors by day |
| CN207048809U (en) * | 2017-07-21 | 2018-02-27 | 贵州理工学院 | Coal-face dust collecting system |
| CN108465349A (en) * | 2018-05-31 | 2018-08-31 | 德清菁英信息科技有限公司 | A kind of gas purifying equipment |
| CN208912769U (en) * | 2018-10-12 | 2019-05-31 | 济南晶硕电子有限公司 | A kind of simple extractor fan in GPP cleaning |
| CN208990462U (en) * | 2018-10-17 | 2019-06-18 | 柴浩 | A kind of architectural environment engineering cleaner |
| CN109908732A (en) * | 2019-04-12 | 2019-06-21 | 周粉粉 | A kind of environment-friendly engineering waste gas purification apparatus of more applications |
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Application publication date: 20191231 |
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| RJ01 | Rejection of invention patent application after publication |