CN117516065B - Low-pressure air-cooled combined VOCs gas collecting and processing device - Google Patents
Low-pressure air-cooled combined VOCs gas collecting and processing device Download PDFInfo
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- CN117516065B CN117516065B CN202410020468.0A CN202410020468A CN117516065B CN 117516065 B CN117516065 B CN 117516065B CN 202410020468 A CN202410020468 A CN 202410020468A CN 117516065 B CN117516065 B CN 117516065B
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- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 61
- 238000012545 processing Methods 0.000 title claims description 13
- 239000007789 gas Substances 0.000 claims abstract description 171
- 239000007788 liquid Substances 0.000 claims abstract description 44
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000001301 oxygen Substances 0.000 claims abstract description 28
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 28
- 238000000926 separation method Methods 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 239000002351 wastewater Substances 0.000 claims abstract description 6
- 230000003139 buffering effect Effects 0.000 claims abstract description 4
- 238000012360 testing method Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 21
- 238000007906 compression Methods 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 9
- 230000003647 oxidation Effects 0.000 claims description 9
- 238000007254 oxidation reaction Methods 0.000 claims description 9
- 238000005070 sampling Methods 0.000 claims description 9
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000000630 rising effect Effects 0.000 abstract 1
- 238000011272 standard treatment Methods 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to the technical field of VOCs gas treatment, in particular to a low-pressure air-cooled combined VOCs gas collection and treatment device; the device comprises an induced draft fan for conveying mixed oil gas, a buffer gas holder for containing VOCs gas, a heat exchange unit for pre-cooling the VOCs gas, a gas-liquid separator for carrying out gas-liquid separation on the VOCs gas, a compressor unit for carrying out pressure boosting treatment, a heat exchanger for cooling the VOCs gas after pressure and temperature rising, a balance tank for buffering compressed gas and an oxygen content analysis instrument for carrying out oxygen concentration test on incoming gas, wherein the inlet end of the induced draft fan is connected with an external VOCs gas collecting pipeline, and the outlet end of the induced draft fan is communicated with the inlet end of the buffer gas holder; the outlet end of the waste water discharging buffer gas cabinet is communicated with the inlet end of the heat exchange unit; the outlet end of the waste water discharge heat exchange unit is communicated with the inlet end of the gas-liquid separator; the device provided by the invention has the advantages of high safety, environmental protection and energy saving, and can be used for stably and up-to-standard treatment of VOCs gas.
Description
Technical Field
The invention relates to the technical field of VOCs gas treatment, in particular to a low-pressure air-cooled combined VOCs gas collection and treatment device.
Background
With the improvement of the environmental protection and improvement of the national improvement of the improvement force and various standard standards, especially after the official release and execution of GB 31570/1/2-2015, the domestic improvement standard of VOCs gas is changed from the gram-grade standard to the milligram-grade standard, and a plurality of atmospheric improvement enterprises in the industry deeply optimize the original technological design flow and also carry out various project practices.
The conventional VOCs gas treatment process adopts a low-pressure condensation or condensation and adsorption process as pretreatment, and the terminal adopts an oxidation process, but the existing VOCs gas treatment process is poor in safety and treatment effect, and meanwhile, the problem that the existing device cannot be fully utilized for VOCs gas treatment exists, so that the requirement of VOCs gas treatment is difficult to meet.
Accordingly, the present invention provides a low-pressure air-cooled combined VOCs gas collecting and treating device for solving the above-mentioned related technical problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the low-pressure air-cooled combined VOCs gas collecting and processing device which has high safety, is environment-friendly and energy-saving, fully utilizes the existing devices of enterprises and reduces the overall VOCs gas treatment.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The first aspect of the invention: the low-pressure air-cooled combined VOCs gas collecting and processing device comprises an induced draft fan for conveying mixed oil gas, a buffer gas holder for containing VOCs gas, a heat exchange unit for pre-cooling the VOCs gas, a gas-liquid separator for performing gas-liquid separation on the VOCs gas, a compressor unit for performing pressure boosting treatment, a heat exchanger for cooling the pressurized and warmed VOCs gas, a balance tank for buffering the compressed gas and an oxygen content analysis instrument for performing oxygen concentration test on incoming gas;
The inlet end of the induced draft fan is connected with an external VOCs gas collecting pipeline, and the outlet end of the induced draft fan is communicated with the inlet end of the buffer gas cabinet;
the outlet end of the buffer gas cabinet is communicated with the inlet end of the heat exchange unit;
the outlet end of the heat exchange unit is communicated with the inlet end of the gas-liquid separator;
The outlet end of the gas-liquid separator is communicated with the inlet end of the compressor unit;
The outlet end of the compressor unit is communicated with the inlet end of the air-cooled heat exchanger;
The outlet end of the air-cooled heat exchanger is communicated with the inlet end of the balance tank;
The outlet end of the balance tank is externally connected with a subsequent advanced treatment unit;
One end of the oxygen content analysis instrument is connected with a communicating pipeline between the buffer gas cabinet and the heat exchange unit, and the other end of the oxygen content analysis instrument is connected with a communicating pipeline between the gas-liquid separator and the compressor unit.
The invention is further provided with: the buffer gas cabinet is connected with a storage tank region tail gas collecting pipeline, a loading tail gas collecting pipeline and other tail gas collecting pipelines through the gas outward conveying pipeline, and the gas outward conveying pipeline is provided with a pressure transmitting instrument, a temperature transmitting instrument and a pipeline flame arrester.
The invention is further provided with: and the buffer gas cabinet is also provided with a gas supplementing pipeline.
The invention is further provided with: and the outlet pipeline of the buffer gas cabinet and the outlet pipeline of the gas-liquid separator are respectively provided with an oxygen content instrument sampling point.
The invention is further provided with: the compressor unit is a screw compressor unit.
The invention is further provided with: the balance tank is also provided with a pipeline flame arrester on an outlet pipeline, and the balance tank is externally connected with a terminal processing unit through the pipeline flame arrester, and the terminal processing unit comprises an outer conveying pipeline network, a factory torch system and an oxidation furnace unit.
The invention is further provided with: and a return pipeline is arranged on the outlet pipeline of the balance tank and is communicated with the buffer gas cabinet.
The second aspect of the invention: the invention also provides an oil gas compression collection treatment method, which uses the low-pressure air-cooled combined VOCs gas collection treatment device, and comprises the following steps:
Step one, collecting VOCs mixed gas through a pipeline, pressurizing the VOCs mixed gas through a draught fan, and then entering a buffer gas cabinet for temporary storage;
step two, carrying out gas-liquid separation on mixed gas in a buffer gas cabinet through a gas-liquid separator, discharging waste water, conveying the gas to an air-cooled heat exchanger through a compressor unit, and carrying out gas-liquid separation on the cooled gas in a balance tank;
And thirdly, conveying the gas phase part of the mixed gas subjected to gas-liquid separation treatment to an external conveying pipe network, a factory flare system or an oxidation furnace unit respectively according to the actual conditions of the site.
The invention is further provided with: in the second step, the air pressure of the mixed gas after the pressure boosting treatment of the compressor unit is 2bar (G) to 7bar (G).
The invention is further provided with: in the second step, when any point of the oxygen content meter sampling point of the buffer gas cabinet outlet pipeline or the oxygen content of the oxygen content meter sampling point on the gas-liquid separator outlet pipeline reaches 2% of a set value, the interlocking cutting-off and conveying of VOCs gas is performed.
Compared with the prior art, the invention has the beneficial effects that:
(1) The compressor unit adopts a screw compression process, is advanced and environment-friendly, and can directly improve the running pressure of a device system to 7bar (G);
(2) The heat exchange mechanism adopts a single-stage air cooling mode, and the system is simple and reliable;
(3) The whole set of device is safe and explosion-proof, and a mode of controlling the oxygen content concentration in the mixed oil gas is adopted, so that a dangerous concentration area is avoided;
(4) The highest temperature in the device can be controlled within 60 ℃, the whole device is in a low-temperature operation condition, has no high temperature and open fire, and meets the requirement of safe operation;
(5) The invention has good exhaust emission index, the exhaust emission concentration is lower than the national emission standard of 120mg/m 3 after high-temperature treatment, the lowest controllable is within 30mg/m 3, and the national strictest landmark requirement is satisfied;
(6) The overall process treatment mode of the invention meets the national environmental protection requirement;
(7) The invention reduces the intermediate treatment links of VOCs, reduces the overall input cost, and utilizes the existing process equipment and pipe network to realize standard discharge on the basis of recycling.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a low-pressure air-cooled combined VOCs gas collection and treatment device according to the present invention;
FIG. 2 is an enlarged view of the invention at A in FIG. 1;
FIG. 3 is an enlarged view of the invention at B in FIG. 1;
fig. 4 is an enlarged view of the present invention at C in fig. 1.
Legend description: 1. an induced draft fan; 2. a buffer gas cabinet; 3. a heat exchange unit; 4. a gas-liquid separator; 5. a compressor unit; 6. a heat exchanger; 7. a balancing tank; 8. oxygen content analyzer.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1 to 4, the embodiment provides a low-pressure air-cooled combined type VOCs gas collecting and processing device, which comprises a draught fan 1 for conveying mixed oil gas, a buffer gas cabinet 2 for containing VOCs gas, a heat exchange unit 3 for pre-cooling the VOCs gas, a gas-liquid separator 4 for separating gas from liquid of the VOCs gas, a compressor unit 5 for performing boosting treatment, a heat exchanger 6 for cooling the pressurized and warmed VOCs gas, a balance tank 7 for buffering compressed gas and an oxygen content analysis instrument 8 for performing oxygen concentration test on incoming gas; the inlet end of the induced draft fan 1 is connected with an external VOCs gas collecting pipeline, and the outlet end of the induced draft fan 1 is communicated with the inlet end of the buffer gas holder 2; the outlet end of the buffer gas holder 2 is communicated with the inlet end of the heat exchange unit 3; the outlet end of the heat exchange unit 3 is communicated with the inlet end of the gas-liquid separator 4; the outlet end of the gas-liquid separator 4 is communicated with the inlet end of the compressor unit 5; the outlet end of the compressor unit 5 is communicated with the inlet end of the air-cooled heat exchanger 6; the outlet end of the air-cooled heat exchanger 6 is communicated with the inlet end of the balance tank 7; the outlet end of the balance tank 7 is externally connected with a subsequent advanced treatment unit; one end of the oxygen content analysis meter 8 is connected to a communication pipe between the buffer gas tank 2 and the heat exchange unit 3, and the other end of the oxygen content analysis meter 8 is connected to a communication pipe between the gas-liquid separator 4 and the compressor unit 5.
In this embodiment, it should be noted that after the VOCs mixed gas is collected through a pipeline, the mixed gas is pressurized by using an induced draft fan 1 and then enters a buffer gas cabinet 2 for temporary storage, the mixed gas in the buffer gas cabinet 2 is subjected to gas-liquid separation by using a gas-liquid separator 4, the generated wastewater is discharged through a sewage pipe, the gas is conveyed to an air-cooled heat exchanger 6 by using a compressor unit 5, the cooled gas enters a balance tank 7 for gas-liquid separation, and the gas phase part of the mixed gas after the gas-liquid separation treatment can be respectively conveyed to an external pipeline network, a plant area torch system or an oxidation furnace unit according to the actual situation of the site; in addition, the pipeline can be provided with a pressure transmitting signal, a frequency conversion conveying device of the induced draft fan, an automatic switching valve and the like, so that preliminary concentrated storage of tail gas is formed; the low-pressure air-cooled combined VOCs gas collection and treatment device is suitable for the treatment of volatile VOCs gas components generated in the processing and manufacturing process, the storage and transportation process of petroleum chemical industry and other industrial products containing the VOCs components, the treatment of the gas leakage of the VOCs of equipment and pipeline components and the unorganized collection of the exhaust gas of the VOCs of the open liquid level or the standard emission treatment.
In the invention, a gas output pipeline is arranged on a buffer gas cabinet 2, and the buffer gas cabinet 2 is connected with a storage tank region tail gas collecting pipeline, a loading tail gas collecting pipeline and other tail gas collecting pipelines through the gas output pipeline, and a pressure transmitting instrument, a temperature transmitting instrument and a pipeline flame arrester are arranged on the gas output pipeline. And the buffer gas cabinet 2 is also provided with a gas supplementing pipeline. The outlet pipeline of the buffer gas cabinet 2 and the outlet pipeline of the gas-liquid separator 4 are respectively provided with an oxygen content meter sampling point. The compressor unit 5 is a screw compressor unit. The outlet pipeline of the balance tank 7 is also provided with a pipeline flame arrester, and the balance tank 7 is externally connected with a terminal processing unit through the pipeline flame arrester, and the terminal processing unit comprises an external pipeline network, a factory torch system and an oxidation furnace unit. And a return pipeline is arranged on an outlet pipeline of the balance tank 7 and is communicated with the buffer gas cabinet 2.
In this embodiment, it should be noted that, the inlet end of the compressor unit 5 is communicated with the outlet end of the gas-liquid separator 4 through a gas filter, the outlet end of the compressor unit 5 is also communicated with the air-cooled heat exchanger 6 and the balance tank 7, the compressor unit 5 adopts a screw compression process, the method is advanced and environment-friendly, the running pressure of the device system can be directly improved to 7bar (G), and in addition, a pressure transmitter, a temperature transmitter and the like can be further arranged on the outlet pipeline of the compressor unit 5.
Example 2
The embodiment provides an oil gas compression collection treatment method, which uses the low-pressure air-cooled combined VOCs gas collection treatment device, and comprises the following steps:
step one, after VOCs mixed gas is collected through a pipeline, the VOCs mixed gas is pressurized by an induced draft fan 1 and then enters a buffer gas cabinet 2 for temporary storage.
And step two, carrying out gas-liquid separation on the mixed gas in the buffer gas cabinet 2 through a gas-liquid separator 4, discharging waste water, conveying the gas to an air-cooled heat exchanger 6 through a compressor unit 5, and carrying out gas-liquid separation on the cooled gas in a balance tank 7.
The air pressure of the mixed gas after the pressure boosting treatment of the compressor unit 5 is 2bar (G) to 7bar (G).
When any point of the oxygen content meter sampling point of the outlet pipeline of the buffer gas cabinet 2 or the oxygen content of the oxygen content meter sampling point of the outlet pipeline of the gas-liquid separator 4 reaches 2% of a set value, the interlocking cutting-off of the VOCs gas conveying is performed.
And thirdly, conveying the gas phase part of the mixed gas subjected to gas-liquid separation treatment to an external conveying pipe network, a factory flare system or an oxidation furnace unit respectively according to the actual conditions of the site.
The oil gas compression collection treatment method provided by the embodiment requires good airtight conveying of the process collection gas and is implemented according to the GB37822-2019 standard. Before entering the compression unit, the gas should meet the process design requirements, and necessary pretreatment measures are adopted, for example: the cooling process, the dust removal process, the buffer dehumidification process and the like ensure that the mixed gas stored in the compression unit meets the process design requirement, and the specific flow is as follows:
The collected VOCs gas, a pretreatment process, an induced draft fan, a buffer gas holder, a heat exchange unit, a gas-liquid separator, a compression unit (comprising internal cooling heat exchange), an air cooling heat exchanger, a balance tank, an external transmission pipe network or a factory flare system or an oxidation furnace unit, and tail gas emission reaching standards;
Wherein, airtight collection and pretreatment:
Performing effective closed collection according to the standard of emission control standard of Volatile Organic Compounds (VOC) of GB 37822-2019; for incoming gas with higher dust content, dust removal treatment is needed, and filtration type dust removal is recommended. If the incoming gas is high in temperature, pressure and humidity, electrostatic dust removal is recommended.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (5)
1. The low-pressure air-cooled combined VOCs gas collecting and processing device is characterized by comprising an induced draft fan (1) for conveying mixed oil gas, a buffer gas holder (2) for containing VOCs gas, a heat exchange unit (3) for pre-cooling the VOCs gas, a gas-liquid separator (4) for separating gas from liquid of the VOCs gas, a compressor unit (5) for boosting treatment, a heat exchanger (6) for cooling the pressurized and warmed VOCs gas, a balance tank (7) for buffering compressed gas and an oxygen content analysis instrument (8) for testing oxygen concentration of incoming gas;
The inlet end of the induced draft fan (1) is connected with an external VOCs gas collecting pipeline, and the outlet end of the induced draft fan (1) is communicated with the inlet end of the buffer gas cabinet (2);
the outlet end of the buffer gas cabinet (2) is communicated with the inlet end of the heat exchange unit (3);
the outlet end of the heat exchange unit (3) is communicated with the inlet end of the gas-liquid separator (4);
The outlet end of the gas-liquid separator (4) is communicated with the inlet end of the compressor unit (5);
the outlet end of the compressor unit (5) is communicated with the inlet end of the air-cooled heat exchanger (6);
The outlet end of the air-cooled heat exchanger (6) is communicated with the inlet end of the balance tank (7);
the outlet end of the balance tank (7) is externally connected with a subsequent advanced treatment unit;
one end of the oxygen content analysis instrument (8) is connected with a communicating pipeline between the buffer gas cabinet (2) and the heat exchange unit (3), and the other end of the oxygen content analysis instrument (8) is connected with a communicating pipeline between the gas-liquid separator (4) and the compressor unit (5);
The buffer gas cabinet (2) is provided with a gas output pipeline, the buffer gas cabinet (2) is connected with a storage tank area tail gas collecting pipeline, a loading tail gas collecting pipeline and other tail gas collecting pipelines through a gas output pipeline, and the gas output pipeline is provided with a pressure transmitting instrument, a temperature transmitting instrument and a pipeline flame arrester;
the buffer gas cabinet (2) is also provided with a gas supplementing pipeline;
The outlet pipeline of the buffer gas cabinet (2) and the outlet pipeline of the gas-liquid separator (4) are respectively provided with an oxygen content meter sampling point;
the compressor unit (5) is a screw compressor unit;
The balance tank (7) is also provided with a pipeline flame arrester on an outlet pipeline, the balance tank (7) is externally connected with a terminal processing unit through the pipeline flame arrester, and the terminal processing unit comprises an outer conveying pipeline network, a factory torch system and an oxidation furnace unit.
2. The low-pressure air-cooled combined type VOCs gas collection and treatment device according to claim 1, wherein: and a return pipeline is arranged on an outlet pipeline of the balance tank (7), and is communicated with the buffer gas cabinet (2).
3. An oil gas compression collection treatment method, characterized in that the low-pressure air-cooled combined VOCs gas collection treatment device according to any one of claims 1-2 is used, comprising the following steps:
step one, collecting VOCs mixed gas through a pipeline, pressurizing by a draught fan (1), and then entering a buffer gas cabinet (2) for temporary storage;
Step two, the mixed gas in the buffer gas cabinet (2) is subjected to gas-liquid separation through a gas-liquid separator (4), waste water is discharged, the gas is conveyed to an air-cooled heat exchanger (6) through a compressor unit (5), and the cooled gas enters a balance tank (7) for gas-liquid separation;
And thirdly, conveying the gas phase part of the mixed gas subjected to gas-liquid separation treatment to an external conveying pipe network, a factory flare system or an oxidation furnace unit respectively according to the actual conditions of the site.
4. A method of oil and gas compression collection and treatment according to claim 3, wherein: in the second step, the air pressure of the mixed gas after the pressure boosting treatment of the compressor unit (5) is 2bar (G) to 7bar (G).
5. A method of oil and gas compression collection and treatment according to claim 3, wherein: in the second step, when any point of the oxygen content meter sampling point of the outlet pipeline of the buffer gas cabinet (2) or the oxygen content of the oxygen content meter sampling point of the outlet pipeline of the gas-liquid separator (4) reaches 2% of a set value, the interlocking cutting-off of VOCs gas conveying is performed.
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| CN202410020468.0A CN117516065B (en) | 2024-01-08 | 2024-01-08 | Low-pressure air-cooled combined VOCs gas collecting and processing device |
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| CN202410020468.0A CN117516065B (en) | 2024-01-08 | 2024-01-08 | Low-pressure air-cooled combined VOCs gas collecting and processing device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103463937A (en) * | 2013-07-25 | 2013-12-25 | 天津大学 | Resourcable volatile organic tail gas treating method and skid-mounted moving device |
| KR20140096444A (en) * | 2013-01-25 | 2014-08-06 | 삼성중공업 주식회사 | Voc recovery device and ship including the same |
| KR101741834B1 (en) * | 2016-06-22 | 2017-05-30 | 삼성중공업 주식회사 | Apparatus for recovering VOC |
| CN207221621U (en) * | 2017-08-31 | 2018-04-13 | 天邦膜技术国家工程研究中心有限责任公司 | A kind of embrane method VOCs recovery systems |
| CN108452632A (en) * | 2018-03-02 | 2018-08-28 | 南京工业大学 | A kind of VOCs recovery systems using air deep-cooling |
-
2024
- 2024-01-08 CN CN202410020468.0A patent/CN117516065B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140096444A (en) * | 2013-01-25 | 2014-08-06 | 삼성중공업 주식회사 | Voc recovery device and ship including the same |
| CN103463937A (en) * | 2013-07-25 | 2013-12-25 | 天津大学 | Resourcable volatile organic tail gas treating method and skid-mounted moving device |
| KR101741834B1 (en) * | 2016-06-22 | 2017-05-30 | 삼성중공업 주식회사 | Apparatus for recovering VOC |
| CN207221621U (en) * | 2017-08-31 | 2018-04-13 | 天邦膜技术国家工程研究中心有限责任公司 | A kind of embrane method VOCs recovery systems |
| CN108452632A (en) * | 2018-03-02 | 2018-08-28 | 南京工业大学 | A kind of VOCs recovery systems using air deep-cooling |
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