CN219867395U - Factory volatile organic compound processing apparatus - Google Patents
Factory volatile organic compound processing apparatus Download PDFInfo
- Publication number
- CN219867395U CN219867395U CN202321071674.1U CN202321071674U CN219867395U CN 219867395 U CN219867395 U CN 219867395U CN 202321071674 U CN202321071674 U CN 202321071674U CN 219867395 U CN219867395 U CN 219867395U
- Authority
- CN
- China
- Prior art keywords
- oxygen
- vocs
- pipeline
- deficient
- valve
- 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.)
- Active
Links
- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 58
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 66
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000001301 oxygen Substances 0.000 claims abstract description 54
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 54
- 239000007789 gas Substances 0.000 claims abstract description 33
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 33
- 230000002950 deficient Effects 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 238000012806 monitoring device Methods 0.000 claims description 10
- 239000000571 coke Substances 0.000 claims description 6
- 238000004880 explosion Methods 0.000 abstract description 3
- 238000003860 storage Methods 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 description 5
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a factory volatile organic compound treatment device, which comprises a main pipeline, an oxygen-deficient VOCs collection and treatment unit and a front gas pipeline of a blower, wherein the oxygen-deficient VOCs collection and treatment unit is communicated with the front gas pipeline of the blower through the main pipeline, and the factory volatile organic compound treatment device also comprises a pressure balance type nitrogen sealing system, wherein the pressure balance type nitrogen sealing system comprises a nitrogen source, a nitrogen sealing valve and a pressure control valve; a pressure control valve is arranged on the main pipeline between the oxygen-deficient VOCs collecting and processing unit and the front gas pipeline of the blower; and the nitrogen source is communicated with a main pipeline of the pressure control valve, which is close to the oxygen-deficient VOCs collecting and processing unit, through a nitrogen sealing valve. The problem of the poor oxygen VOCs of prior art collect processing unit and appear pressure unstability easily and cause the storage tank structure to damage or take place to leak to in jar internal gas and the external pipeline gas direct contact, easily lead to oxygen concentration to increase, increase explosion and conflagration's risk is solved.
Description
Technical Field
The utility model relates to a factory volatile organic compound treatment device, and belongs to the technical field of volatile organic compound treatment.
Background
The gas purifying VOCs treatment device is a device for treating and reducing the emission of Volatile Organic Compounds (VOCs) in the gas generating process. VOCs are a class of readily volatile organic compounds, including hydrocarbons, alcohols, ketones, and the like, which are potentially harmful to the environment and human health. Therefore, in gas production and application processes, it is important to reduce the emission of VOCs.
The oxygen-deficient VOCs of the existing gas purification VOCs treatment device collect the processing unit and appear the unstable pressure to cause the storage tank structure to damage or take place to leak easily to gas in the jar and the interior gas direct contact of external pipeline easily lead to oxygen concentration to increase, increase the risk of explosion and conflagration.
Disclosure of Invention
The utility model aims to solve the technical problems that: provides a factory volatile organic compound processing device to overcome the defects of the prior art.
The technical scheme of the utility model is as follows: the volatile organic compounds processing device in the factory comprises a main pipeline, an oxygen-deficient VOCs collecting and processing unit, a gas pipeline in front of a blower, the oxygen-deficient VOCs collecting and processing unit is communicated with the gas pipeline in front of the blower through the main pipeline, and also comprises a pressure balance type nitrogen sealing system,
the pressure balance type nitrogen sealing system comprises a nitrogen source, a nitrogen sealing valve and a pressure control valve;
a pressure control valve is arranged on the main pipeline between the oxygen-deficient VOCs collecting and processing unit and the front gas pipeline of the blower;
and the nitrogen source is communicated with a main pipeline of the pressure control valve, which is close to the oxygen-deficient VOCs collecting and processing unit, through a nitrogen sealing valve.
Further, the device also comprises an oxygen content monitoring device, a controller and a switch valve, wherein the oxygen content monitoring device is arranged between the pressure control valve and a gas pipeline in front of the blower; the switch valve is arranged between the oxygen-deficient VOCs collecting and processing unit and the main pipeline; the controller is electrically connected with the oxygen content monitoring device, the controller is electrically connected with the switch valve, the controller is electrically connected with the nitrogen seal valve, and the controller is electrically connected with the pressure control valve.
Further, a quick-cut valve is also included, which is disposed between the pressure control valve and the blower front gas conduit.
Further, the device also comprises an oxygen-enriched VOCs collection and treatment unit and a return pipeline;
one end of the return pipeline is communicated with the oxygen-enriched VOCs collecting and treating unit, and the other end of the return pipeline is communicated with an exhaust gas shutter air door of the coke oven.
The beneficial effects of the utility model are as follows: compared with the prior art, the pressure balance type nitrogen seal system has the advantages that when the pressure of the oxygen-deficient VOCs collecting and processing unit is lower than a set value, the nitrogen seal valve is opened to supplement the pressure to the oxygen-deficient VOCs collecting and processing unit, and when the pressure of the oxygen-deficient VOCs collecting and processing unit is higher than the set value, the nitrogen seal valve is closed to stop supplementing the pressure to the oxygen-deficient VOCs collecting and processing unit. Therefore, the pressure stability of the oxygen-deficient VOCs collecting and processing unit is realized, the problems that the structure is damaged or leakage occurs due to unstable pressure of the oxygen-deficient VOCs collecting and processing unit are avoided, the chemical property of nitrogen is stable, and the problems of combustion or explosion and the like are avoided.
Drawings
FIG. 1 is a schematic structural diagram of embodiment 1 of the present utility model;
fig. 2 is a block diagram of a circuit connection of the present utility model.
Detailed Description
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Implementation example 1: referring to fig. 1 and 2, the present embodiment adopts a plant volatile organic compound processing device, which includes a main pipe 12, an oxygen-deficient VOCs collection processing unit 1 and a blower front gas pipe 7, wherein the oxygen-deficient VOCs collection processing unit 1 is communicated with the blower front gas pipe 7 through the main pipe 12, and is characterized by further including a pressure balance type nitrogen sealing system, and the pressure balance type nitrogen sealing system includes a nitrogen source 3, a nitrogen sealing valve 4 and a pressure control valve 2; a main pipeline 12 between the oxygen-deficient VOCs collecting and processing unit 1 and the front gas pipeline 7 of the blower is provided with a pressure control valve 2; the nitrogen source 3 is communicated with a main pipeline 12 of the pressure control valve 2, which is close to the oxygen-depleted VOCs collecting and processing unit 1, through a nitrogen sealing valve 4.
Further, the device also comprises an oxygen content monitoring device 5, a controller 13 and a switch valve 11, wherein the oxygen content monitoring device 5 is arranged between the pressure control valve 2 and the front gas pipeline 7 of the blower; the switch valve 11 is arranged between the oxygen-deficient VOCs collection treatment unit 1 and the main pipe 12; the controller 13 is electrically connected with the oxygen content monitoring device 5, the controller 13 is electrically connected with the switch valve 11, the controller 13 is electrically connected with the nitrogen seal valve 4, and the controller 13 is electrically connected with the pressure control valve 2.
The oxygen content of the gas in the main pipeline 12 is monitored by the oxygen content monitoring device 5, if the oxygen content is too high, the switch valve 11 can be closed by the controller 13, the pressure control valve 2 and the nitrogen seal valve 4 are opened to introduce nitrogen into the main pipeline 12, so that the oxygen content in the main pipeline 12 is reduced, and the oxygen is prevented from entering the oxygen-depleted VOCs collecting and processing unit 1 when the pressure is controlled next time when the oxygen-depleted VOCs collecting and processing unit 1 is controlled.
Further, a quick cut valve 6 is included, said quick cut valve 6 being arranged between the pressure control valve 2 and the blower front gas conduit 7.
Through the quick-cut valve 6, quick and accurate opening and closing can be realized, so that the flow requirement of the flow is met. Reverse flow may also be prevented in the system, ensuring that fluid can only flow in one direction. When reverse flow is detected, the valve can be immediately closed to prevent backflow of fluid. And also can play a role in preventing pressure fluctuation.
Further, the device also comprises an oxygen-enriched VOCs collection and treatment unit 10 and a return pipeline 9; one end of the return pipeline 9 is communicated with the oxygen-enriched VOCs collecting and processing unit 10, and the other end of the return pipeline 9 is communicated with an exhaust gas shutter air door of the coke oven 8.
The gas of the oxygen-enriched VOCs collecting and processing unit 10 is discharged into the exhaust gas shutter air door of the coke oven 8 through the back distribution pipeline 9, and can be mixed with the air naturally sucked by the exhaust gas shutter air door to be used as combustion air for combustion of the coke oven 8 to participate in heating of the coke oven 8.
In addition, the scheme can treat oxygen-enriched VOCs, and simultaneously, a part of flue gas is recycled, so that the oxygen content in combustion air is reduced, the combustion intensity is controlled, and the effect of reducing the nitrogen oxide content in the flue gas is achieved.
The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.
Claims (4)
1. The plant volatile organic compound treatment device comprises a main pipeline (12), an oxygen-deficient VOCs collection treatment unit (1) and a gas pipeline (7) before a blower, wherein the oxygen-deficient VOCs collection treatment unit (1) is communicated with the gas pipeline (7) before the blower through the main pipeline (12), and is characterized by further comprising a pressure balance type nitrogen sealing system,
the pressure balance type nitrogen sealing system comprises a nitrogen source (3), a nitrogen sealing valve (4) and a pressure control valve (2);
a pressure control valve (2) is arranged on a main pipeline (12) between the oxygen-deficient VOCs collecting and processing unit (1) and a gas pipeline (7) in front of the blower;
the nitrogen source (3) is communicated with a main pipeline (12) of the pressure control valve (2) close to the oxygen-deficient VOCs collecting and processing unit (1) through a nitrogen sealing valve (4).
2. The plant area volatile organic compound processing device according to claim 1, further comprising an oxygen content monitoring device (5), a controller (13) and an on-off valve (11), wherein the oxygen content monitoring device (5) is arranged between the pressure control valve (2) and the front gas pipeline (7) of the blower; the switch valve (11) is arranged between the oxygen-deficient VOCs collecting and processing unit (1) and the main pipeline (12); the controller (13) is electrically connected with the oxygen content monitoring device (5), the controller (13) is electrically connected with the switch valve (11), the controller (13) is electrically connected with the nitrogen seal valve (4), and the controller (13) is electrically connected with the pressure control valve (2).
3. The plant area volatile organic compound processing device according to claim 1, further comprising a quick-cut valve (6), wherein the quick-cut valve (6) is arranged between the pressure control valve (2) and the blower front gas pipe (7).
4. The plant area Volatile Organic Compound (VOC) treatment device according to claim 1, which is characterized by further comprising an oxygen-enriched VOCs collection treatment unit (10) and a return pipeline (9);
one end of the return pipeline (9) is communicated with the oxygen-enriched VOCs collecting and treating unit (10), and the other end of the return pipeline (9) is communicated with an exhaust gas shutter air door of the coke oven (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321071674.1U CN219867395U (en) | 2023-05-06 | 2023-05-06 | Factory volatile organic compound processing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321071674.1U CN219867395U (en) | 2023-05-06 | 2023-05-06 | Factory volatile organic compound processing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219867395U true CN219867395U (en) | 2023-10-20 |
Family
ID=88338379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321071674.1U Active CN219867395U (en) | 2023-05-06 | 2023-05-06 | Factory volatile organic compound processing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219867395U (en) |
-
2023
- 2023-05-06 CN CN202321071674.1U patent/CN219867395U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215765628U (en) | Underground space exhaust multiple heating, filtering and spraying emergency sterilizing device | |
| CN219867395U (en) | Factory volatile organic compound processing apparatus | |
| CN211475964U (en) | Tank field high concentration styrene exhaust-gas treatment system | |
| CN110115927B (en) | Ultralow nitrogen emission treatment method and ultralow nitrogen emission treatment system for ammonia-containing waste gas | |
| CN206965483U (en) | A kind of boiler waste gas treating device | |
| CN204247022U (en) | The waste gas treatment equipment that biofiltration is integrated with low temperature plasma | |
| CN206837790U (en) | A kind of system for the concentration of volatile organic matter gas collection | |
| CN206463777U (en) | A kind of bio-trickling device and exhaust treatment system | |
| CN208398098U (en) | Smoke catalytic recycling device | |
| CN215027575U (en) | High-efficient deodorizing device of sewage treatment plant | |
| CN207385137U (en) | A kind of ambient exhaust gas-zero-emission circulating treating system | |
| CN208711391U (en) | A kind of laboratory exhaust gas processing system | |
| CN213398442U (en) | Methane composition on-line monitoring device for high-pressure gas pipeline | |
| CN206688508U (en) | A kind of bio-trickling device and exhaust treatment system | |
| CN210544304U (en) | Ultralow nitrogen emission treatment system for ammonia-containing waste gas | |
| CN107987893B (en) | Coking desulfurization regenerator tail gas processing system | |
| CN209405916U (en) | A kind of filter device for exhaust-gas treatment | |
| CN219453976U (en) | Laboratory gas treatment equipment and exhaust gas treatment system | |
| CN106731778A (en) | A kind of bio-trickling device and exhaust treatment system | |
| CN213433701U (en) | Tail gas treatment's absorption desorption automatic switching control equipment | |
| CN218901883U (en) | Ventilation system simultaneously applicable to two working conditions of A2 type biosafety cabinet | |
| CN214863599U (en) | Desorption device for saturated active carbon | |
| CN213668563U (en) | Device for treating malodorous gas in pharmaceutical industry | |
| CN205269338U (en) | Laboratory hazardous gas purifier | |
| CN210495912U (en) | Tinning furnace and waste gas treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |