CN219494122U - Device for reducing pollutant discharge at tower top - Google Patents
Device for reducing pollutant discharge at tower top Download PDFInfo
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- CN219494122U CN219494122U CN202320336461.0U CN202320336461U CN219494122U CN 219494122 U CN219494122 U CN 219494122U CN 202320336461 U CN202320336461 U CN 202320336461U CN 219494122 U CN219494122 U CN 219494122U
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- valve
- main pipe
- main pipeline
- incinerator
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Abstract
The utility model discloses a device for reducing pollutant discharge at the top of a tower, which comprises a vent absorption tower, an incinerator and a connecting pipeline, wherein the vent absorption tower is connected with the incinerator through the connecting pipeline, a main pipeline hand valve is arranged on the connecting pipeline at the top of the vent absorption tower, a main pipeline shower guide valve is arranged on one side of the main pipeline hand valve, a main pipeline pressure regulating valve is arranged on one side of the main pipeline shower guide valve, a main pipeline remote-transmission flowmeter is arranged on one side of the main pipeline pressure regulating valve, a main pipeline check valve is arranged on one side of the main pipeline remote-transmission flowmeter, a diaphragm type field pressure gauge is arranged on one side of the main pipeline check valve, a field liquid level gauge and a remote-transmission liquid level gauge are arranged between the main pipeline check valve and the diaphragm type field pressure gauge, and an incinerator interface cut-off valve is arranged on an inlet pipeline of the incinerator. The device is additionally provided with exhaust gas which is connected to the environment-friendly incinerator facility on the basis of the prior art, so that the environmental pollution caused by the direct emptying of the original process is avoided, and the exhaust gas meets the DB32/3151-2016 standard requirement.
Description
Technical Field
The utility model relates to the field of gas emission treatment, in particular to a device for reducing pollutant emission at the top of a tower.
Background
The existing tower top pollutant discharge mode is that a trace amount of Ethylene Oxide (EO) medium aqueous solution or nitrogen is fed in the middle part of a tower, the tower top is eluted by using a 30 ℃ aqueous solution, EO is eluted to a tower kettle for recycling, and the tower top gas is directly discharged to the atmosphere from a top discharge pipeline; the discharge mode has great defects: trace hydrocarbon ethylene, methane and other gases are entrained in the exhaust gas from the top of the tower and discharged to the atmosphere, so that pollutants exceed standards, and environmental pollution is caused.
The EO device empties the absorber, and the environmental protection design is that the concentration of ethylene oxide is less than 0.5ppm. However, in practice it was found that the effluent gas contained total non-methane hydrocarbons up to 8000ppm. The requirement of the environmental protection standard 'emission standard of volatile organic compounds of chemical industry', namely DB32/3151-2016, cannot be met. In order to ensure that the operation of the EO device meets the environmental protection requirement, the influence on the environment caused by the fact that the EO device does not meet the environmental protection is avoided, an exhaust gas purifying facility is considered to be additionally arranged, the exhaust gas is sent to the environmental protection incinerator, the exhaust gas is ensured to meet the environmental protection standard requirement, and the device for reducing the pollutant emission at the top of the tower is provided for the purpose.
Disclosure of Invention
The present utility model is directed to solving the above-mentioned problems of the prior art by providing a device for reducing the discharge of contaminants from the top of a tower.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a reduce device that overhead pollutant discharged, includes the blowdown absorption tower, burns burning furnace and connecting line, link to each other through connecting line between blowdown absorption tower and the burning furnace, install trunk line hand valve on the connecting line at blowdown absorption tower top, trunk line guide drenches the valve in one side of trunk line hand valve, trunk line guide drenches the valve in one side of trunk line and installs trunk line pressure regulating valve (be used for controlling blowdown absorption overhead pressure), trunk line teletransmission flowmeter is installed to trunk line pressure regulating valve one side, trunk line check valve is installed to trunk line teletransmission flowmeter one side, diaphragm type on-site pressure gauge is installed to one side of trunk line check valve, on-site level gauge and teletransmission level gauge are installed to on-site pressure gauge, burn and install on the burning furnace entry pipeline and burn burning furnace interface trip valve.
As a preferable technical scheme of the utility model, the remote liquid level meter is connected with a remote liquid level regulating valve.
As a preferable technical scheme of the utility model, the diaphragm type field pressure gauge is provided with a diaphragm type field pressure gauge root hand valve and a diaphragm type field pressure gauge pressure relief hand valve.
As a preferable technical scheme of the utility model, one side of the diaphragm type field pressure gauge is provided with a zone 8-shaped blind plate hand valve and a zone 8-shaped blind plate.
The beneficial effects of the utility model are as follows: the device is additionally provided with exhaust gas which is connected to the environment-friendly incinerator facility on the basis of the prior art, so that the environmental pollution caused by the direct emptying of the original process is avoided, and the exhaust gas meets the DB32/3151-2016 standard requirement.
Drawings
Fig. 1 is a structural connection diagram of the present utility model.
In the figure: the device comprises a main pipeline hand valve 1, a main pipeline pressure regulating valve 2, a main pipeline shower guiding valve 3, a main pipeline remote-transmission flowmeter 4, a main pipeline check valve 5, a diaphragm type field pressure gauge 6, a diaphragm type field pressure gauge root hand valve 7, a diaphragm type field pressure gauge pressure relief hand valve 8, a boundary 8 blind plate 9, a boundary 8 blind plate hand valve 10, an incinerator interface shutoff valve 11, a field liquid level meter 12, a remote-transmission liquid level meter 13 and a remote-transmission liquid level regulating valve 14.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the attached drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
Examples: referring to fig. 1, the present utility model provides a technical solution: the utility model provides a device for reducing overhead pollutant emission, including the blowdown absorption tower, burn burning furnace and connecting line, link to each other through connecting line between blowdown absorption tower and the burning furnace, install trunk line hand valve 1 on the connecting line at blowdown absorption tower top, trunk line guide drenching valve 3 is installed to trunk line hand valve 1's one side, trunk line guide drenching valve 3's one side is installed trunk line pressure regulating valve 2, trunk line remote flow meter 4 is installed to trunk line pressure regulating valve 2's one side, trunk line check valve 5 is installed to trunk line remote flow meter 4's one side, diaphragm type on-site pressure gauge 6 is installed to trunk line check valve 5's one side, install on-site liquid level gauge 12 and remote liquid level gauge 13 between trunk line check valve 5 and the on-site pressure gauge 6, install burning furnace interface trip valve 11 on the burning furnace entry pipeline.
The remote liquid level gauge 13 is connected with a remote liquid level regulating valve 14.
The diaphragm type field pressure gauge 6 is provided with a diaphragm type field pressure gauge root hand valve 7 and a diaphragm type field pressure gauge pressure relief hand valve 8.
One side of the diaphragm type field pressure gauge 6 is provided with a zone 8-shaped blind plate hand valve 10 and a zone 8-shaped blind plate 9.
Working principle: a device for reducing the discharge of pollutants at the top of an tower is characterized in that a constant diameter tee joint is added at the upstream of an original pipeline in an EO tail gas absorption tower top discharge flow, a new pipeline is connected behind the tee joint, a pressure control valve, a front hand valve, a rear hand valve, a reverse shower valve, a back hand valve and a variable diameter pipeline are arranged on the new pipeline, a remote flow meter, a check valve, a standby pipe orifice, a hand valve and a condensate collecting tank are arranged, the collecting tank is provided with a remote liquid level meter and a liquid level regulating valve, collected condensate is discharged to a sewage treatment and original device boundary region hand valve group (a double hand valve, a 8-word blind plate, a field pressure meter and a reverse shower), an incinerator device boundary region hand valve, a check valve, a field pressure meter, a cut-off valve, an incinerator feeding pipeline root hand valve, a 8-word blind plate and the like, and a device stop signal and a valve fault state signal are arranged to cut off the discharge flow; the incinerator stop signal cuts off the interlocking protection functions of the emission flow and the like, and the trace hydrocarbon is sent to the environment-friendly incinerator for incineration; so that the exhaust gas meets the environmental protection emission standard, namely DB32/3151-2016.
The device is additionally provided with exhaust gas which is connected to the environment-friendly incinerator facility on the basis of the prior art, so that the environmental pollution caused by the direct emptying of the original process is avoided, and the exhaust gas meets the DB32/3151-2016 standard requirement.
The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.
Claims (4)
1. The utility model provides a reduce device that overhead pollutant discharged, includes blowdown absorption tower, incinerator and connecting line, its characterized in that: the utility model discloses a waste incineration disposal incinerator, including the main pipe hand valve (1), main pipe hand valve (3) are installed on the connecting pipe line at blowdown absorption tower top, main pipe is led to drench valve (3) are installed to one side of main pipe hand valve (1), main pipe pressure regulating valve (2) are installed to one side of main pipe is led to drench valve (3), main pipe remote flow meter (4) are installed to one side of main pipe pressure regulating valve (2), main pipe check valve (5) are installed to one side of main pipe remote flow meter (4), diaphragm type on-the-spot pressure gauge (6) are installed to one side of main pipe check valve (5), on-the-spot level gauge (12) and remote transmission level gauge (13) are installed between main pipe check valve (5) and diaphragm type on-the-spot pressure gauge (6), install on the incinerator entry pipeline and burn incinerator interface trip valve (11).
2. An apparatus for reducing overhead pollutant emissions according to claim 1, wherein: the remote liquid level meter (13) is connected with a remote liquid level regulating valve (14).
3. An apparatus for reducing overhead pollutant emissions according to claim 1, wherein: the diaphragm type field pressure gauge (6) is provided with a diaphragm type field pressure gauge root hand valve (7) and a diaphragm type field pressure gauge pressure relief hand valve (8).
4. An apparatus for reducing overhead pollutant emissions according to claim 1, wherein: one side of the diaphragm type field pressure gauge (6) is provided with a zone 8-shaped blind plate hand valve (10) and a zone 8-shaped blind plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320336461.0U CN219494122U (en) | 2023-02-28 | 2023-02-28 | Device for reducing pollutant discharge at tower top |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320336461.0U CN219494122U (en) | 2023-02-28 | 2023-02-28 | Device for reducing pollutant discharge at tower top |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219494122U true CN219494122U (en) | 2023-08-08 |
Family
ID=87479068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320336461.0U Active CN219494122U (en) | 2023-02-28 | 2023-02-28 | Device for reducing pollutant discharge at tower top |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219494122U (en) |
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2023
- 2023-02-28 CN CN202320336461.0U patent/CN219494122U/en active Active
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