CN215112046U - Natural gas recovery regulation and control device suitable for urban natural gas pipe network - Google Patents
Natural gas recovery regulation and control device suitable for urban natural gas pipe network Download PDFInfo
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- CN215112046U CN215112046U CN202120357035.6U CN202120357035U CN215112046U CN 215112046 U CN215112046 U CN 215112046U CN 202120357035 U CN202120357035 U CN 202120357035U CN 215112046 U CN215112046 U CN 215112046U
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- natural gas
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- pipe section
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- pipe network
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 222
- 239000003345 natural gas Substances 0.000 title claims abstract description 111
- 238000005380 natural gas recovery Methods 0.000 title claims abstract description 14
- 239000007789 gas Substances 0.000 claims abstract description 34
- 238000007599 discharging Methods 0.000 claims abstract description 16
- 230000001105 regulatory effect Effects 0.000 claims abstract 6
- 239000006185 dispersion Substances 0.000 claims description 10
- 238000003912 environmental pollution Methods 0.000 abstract description 7
- 238000011084 recovery Methods 0.000 abstract description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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Abstract
The utility model discloses a natural gas recovery regulating device suitable for urban natural gas pipe network, which is connected between an emptying pipe section and a gas supply running pipe section of the natural gas pipe network and comprises a gas inlet component, a gas outlet component and a natural gas compressor, wherein one end of the gas inlet component is connected with the emptying pipe section, and the other end is connected with a gas inlet of the natural gas compressor; one end of the air discharging assembly is connected with the air supply running pipe section, and the other end of the air discharging assembly is connected with an air outlet of the natural gas compressor; and the natural gas in the evacuation pipe section enters the natural gas compressor through the gas inlet assembly, is pressurized and then is injected into the gas supply operation pipe section through the gas discharge assembly. The utility model discloses an independent control along separate routes has realized that the recovery of natural gas filters and pours into, has reduced the extravagant and environmental pollution condition of natural gas, and has pressure control and prevent the backward flow function.
Description
Technical Field
The utility model relates to a natural gas field indicates a natural gas recovery regulation and control device suitable for city natural gas pipe network very much.
Background
The natural gas is mainly used as fuel, can be used for producing carbon black, chemicals and liquefied petroleum gas, and the propane and butane produced by the natural gas are important raw materials of modern industry. Natural gas is one of the safer fuel gases, does not contain carbon monoxide, is lighter than air, immediately diffuses upwards once leaked, is not easy to accumulate to form explosive gas, and has higher safety than other fuel gases. The natural gas is adopted as energy, so that the consumption of coal and petroleum can be reduced, and the problem of environmental pollution is greatly improved; as a clean energy, the natural gas can reduce the emission of sulfur dioxide and dust by nearly 100 percent, reduce the emission of carbon dioxide by 60 percent and reduce the emission of nitrogen oxide by 50 percent, is favorable for reducing the formation of acid rain, slows down the global greenhouse effect and fundamentally improves the environmental quality. Natural gas as automobile fuel has the advantages of high unit heat value, small exhaust pollution, reliable supply, low price and the like, and has become the development direction of the world clean fuel for automobiles, while natural gas automobiles have become new energy automobiles which are fastest in development and most in use amount.
The urban natural gas pipeline network system comprises a pipeline network emptying pipeline section and a gas supply operation pipeline section, wherein the gas supply operation pipeline section supplies natural gas to each use site, and the emptying pipeline section is used for emptying the natural gas pipeline. Through simple valve control between traditional evacuation pipeline section and the air feed operation pipeline section, at pipeline evacuation in-process, the natural gas carries out the evacuation through the evacuation pipeline section through valve control, and this kind of evacuation mode can appear the gas reflux condition because intraductal pressure changes, can't effectively monitor intraductal pressure, has great potential safety hazard, and easily causes the natural gas to leak extravagantly, the polluted environment.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is not enough to above-mentioned prior art, provide one kind through the independent control along separate routes, realized the recovery of natural gas and filtered the injection into, reduced the extravagant and environmental pollution condition of natural gas, and have the natural gas recovery regulation and control device who is applicable to city natural gas pipe network of pressure control and prevent backflow function.
The utility model adopts the technical scheme as follows: a natural gas recovery regulation and control device suitable for an urban natural gas pipe network is connected between an evacuation pipe section and a gas supply operation pipe section of the natural gas pipe network and comprises a gas inlet assembly, a gas outlet assembly and a natural gas compressor, wherein one end of the gas inlet assembly is connected with the evacuation pipe section, and the other end of the gas inlet assembly is connected with a gas inlet of the natural gas compressor; one end of the air discharging assembly is connected with the air supply running pipe section, and the other end of the air discharging assembly is connected with an air outlet of the natural gas compressor; and the natural gas in the evacuation pipe section enters the natural gas compressor through the gas inlet assembly, is pressurized and then is injected into the gas supply operation pipe section through the gas discharge assembly.
Preferably, the evacuation pipe section and the gas supply operation pipe section are connected through a natural gas pipe network PE valve; the natural gas pipeline network PE valve is provided with a switch.
Preferably, the air inlet assembly comprises a dispersion port, a hose, a pressure gauge, a flange ball valve, a filter and a safety valve, wherein the dispersion port is connected with the evacuation pipe section; the two ends of the hose are respectively connected to the dispersion port and the natural gas compressor.
Preferably, the pressure gauge, the flange ball valve, the filter and the safety valve are sequentially arranged on the hose along the flowing direction of the natural gas; wherein, the pressure gauge detects the pressure in the hose; the flange ball valve blocks or releases the flow of the natural gas in the hose; the filter filters the natural gas in the hose; the safety valve regulates and controls the pressure in the early warning hose.
Preferably, the air discharging component comprises a check valve, a flange ball valve, a pressure gauge, a hose and a discharging port, wherein the discharging port is connected to the air supply operation pipe section; the two ends of the hose are respectively connected to the dispersion port and the natural gas compressor.
Preferably, the check valve, the flange ball valve and the pressure gauge are sequentially arranged on the hose along the flowing direction of the natural gas; the check valve controls the unidirectional flow of natural gas in the hose to avoid gas backflow; the flange ball valve blocks or releases the flow of the natural gas in the hose; the pressure gauge detects the pressure in the hose.
The beneficial effects of the utility model reside in that:
the utility model discloses defect and not enough independent research and development to prior art existence have designed one kind through the independent control along separate routes, have realized that the recovery of natural gas filters and pours into, have reduced the extravagant and environmental pollution condition of natural gas, and have the natural gas recovery regulation and control device who is applicable to city natural gas pipe network of pressure control and prevent backflow function. The utility model discloses mainly by the subassembly and the gassing subassembly of admitting air, the subassembly and the gassing subassembly of admitting air all are connected with natural gas compressor, and the subassembly that admits air passes through hose connection evacuation pipeline section, and the gassing subassembly passes through hose connection air feed operation pipeline section. The natural gas discharged from the inside of the evacuation pipe section enters the hose through the discharge port, sequentially flows into the natural gas compressor through the pressure gauge, the flange ball valve, the filter and the safety valve, is subjected to pressure detection and ball valve on-off control respectively, is filtered by the filter, is pressurized by the natural gas compressor, and is injected into the hose of the gas discharge assembly. The natural gas after the pressure boost is in proper order through check valve, flange ball valve and manometer in the hose of gassing subassembly, blocks the natural gas backward flow through the check valve, through opening and shutting of flange ball valve control natural gas, through manometer real-time supervision intraductal pressure, at last through diffusing mouthful backward flow to the air feed operation pipeline section in. Through the design of the independent type of the branch path, the recycling of the natural gas in the emptying pipe section is realized, the leakage waste of the natural gas is reduced, and the environmental pollution is avoided. Meanwhile, the system has the functions of real-time monitoring of pressure in the pipe, backflow blocking, gas pressurization injection and the like, effectively ensures efficient recovery of natural gas, and reduces potential safety hazards.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings:
as shown in fig. 1, the technical solution adopted by the utility model is as follows: a natural gas recovery regulation and control device suitable for an urban natural gas pipe network is connected between an evacuation pipe section 1 and an air supply operation pipe section 3 of the natural gas pipe network and comprises an air inlet assembly, an air outlet assembly and a natural gas compressor 11, wherein one end of the air inlet assembly is connected with the evacuation pipe section 1, and the other end of the air inlet assembly is connected with an air inlet of the natural gas compressor 11; one end of the air discharging assembly is connected with the air supply running pipe section 3, and the other end of the air discharging assembly is connected with an air outlet of the natural gas compressor 11; the natural gas in the evacuation pipe section 1 enters the natural gas compressor 11 through the gas inlet assembly, and is injected into the gas supply operation pipe section 3 through the gas discharge assembly after being pressurized.
The evacuation pipe section 1 and the gas supply operation pipe section 3 are connected through a natural gas pipe network PE valve 2; the natural gas pipe network PE valve 2 is provided with a switch 5.
The air inlet assembly comprises a dispersion port 4, a hose 6, a pressure gauge 7, a flange ball valve 8, a filter 9 and a safety valve 10, wherein the dispersion port 4 is connected with the emptying pipe section 1; the two ends of the hose 6 are connected to the discharge port 4 and the natural gas compressor 11, respectively.
The pressure gauge 7, the flange ball valve 8, the filter 9 and the safety valve 10 are sequentially arranged on the hose 6 along the flowing direction of natural gas; wherein, the pressure gauge 7 detects the pressure in the hose 6; the flange ball valve 8 blocks or releases the flow of the natural gas in the hose 6; the filter 9 filters the natural gas in the hose 6; the safety valve 10 regulates and controls the pressure in the early warning hose 6.
The air discharging component comprises a check valve 12, a flange ball valve 8, a pressure gauge 7, a hose 6 and a discharging port 4, wherein the discharging port 4 is connected to the air supply operation pipe section 3; the two ends of the hose 6 are connected to the discharge port 4 and the natural gas compressor 11, respectively.
The check valve 12, the flange ball valve 8 and the pressure gauge 7 are sequentially arranged on the hose 6 along the flowing direction of the natural gas; wherein, the check valve 12 controls the unidirectional flow of the natural gas in the hose 6 to avoid the gas backflow; the flange ball valve 8 blocks or releases the flow of the natural gas in the hose 6; the pressure gauge 7 detects the pressure in the hose 6.
Further, the utility model discloses a through independent control along separate routes, realized that the recovery of natural gas filters and pours into, reduced the extravagant and environmental pollution condition of natural gas, and have the natural gas recovery regulation and control device who is applicable to city natural gas pipe network of pressure control and prevent backflow function. The utility model discloses mainly by the subassembly and the gassing subassembly of admitting air, the subassembly and the gassing subassembly of admitting air all are connected with natural gas compressor, and the subassembly that admits air passes through hose connection evacuation pipeline section, and the gassing subassembly passes through hose connection air feed operation pipeline section. The natural gas discharged from the inside of the evacuation pipe section enters the hose through the discharge port, sequentially flows into the natural gas compressor through the pressure gauge, the flange ball valve, the filter and the safety valve, is subjected to pressure detection and ball valve on-off control respectively, is filtered by the filter, is pressurized by the natural gas compressor, and is injected into the hose of the gas discharge assembly. The natural gas after the pressure boost is in proper order through check valve, flange ball valve and manometer in the hose of gassing subassembly, blocks the natural gas backward flow through the check valve, through opening and shutting of flange ball valve control natural gas, through manometer real-time supervision intraductal pressure, at last through diffusing mouthful backward flow to the air feed operation pipeline section in. Through the design of the independent type of the branch path, the recycling of the natural gas in the emptying pipe section is realized, the leakage waste of the natural gas is reduced, and the environmental pollution is avoided. Meanwhile, the system has the functions of real-time monitoring of pressure in the pipe, backflow blocking, gas pressurization injection and the like, effectively ensures efficient recovery of natural gas, and reduces potential safety hazards.
The embodiments of the present invention are only for describing the specific implementation thereof, and are not limited to the scope of protection thereof. The present invention is not limited to the above embodiments, but can be modified in various ways without departing from the scope of the present invention.
Claims (6)
1. The utility model provides a natural gas retrieves regulation and control device suitable for city natural gas pipe network, connects between evacuation pipeline section (1) and air feed operation pipeline section (3) of natural gas pipe network, its characterized in that: the device comprises an air inlet assembly, an air discharging assembly and a natural gas compressor (11), wherein one end of the air inlet assembly is connected with an evacuation pipe section (1), and the other end of the air inlet assembly is connected with an air inlet of the natural gas compressor (11); one end of the air discharging assembly is connected with the air supply running pipe section (3), and the other end of the air discharging assembly is connected with an air outlet of the natural gas compressor (11); the natural gas in the evacuation pipe section (1) enters a natural gas compressor (11) through an air inlet assembly, and is injected into the air supply operation pipe section (3) through an air discharge assembly after being pressurized.
2. The natural gas recovery regulating device suitable for the urban natural gas pipe network according to claim 1, characterized in that: the evacuation pipe section (1) and the gas supply operation pipe section (3) are connected through a natural gas pipe network PE valve (2); the natural gas pipe network PE valve (2) is provided with a switch (5).
3. The natural gas recovery regulating device suitable for the urban natural gas pipe network according to claim 1, characterized in that: the air inlet assembly comprises a dispersion opening (4), a hose (6), a pressure gauge (7), a flange ball valve (8), a filter (9) and a safety valve (10), wherein the dispersion opening (4) is connected with the emptying pipe section (1); two ends of the hose (6) are respectively connected with the dispersion port (4) and the natural gas compressor (11).
4. The natural gas recovery regulating device suitable for the urban natural gas pipe network according to claim 3, characterized in that: the pressure gauge (7), the flange ball valve (8), the filter (9) and the safety valve (10) are sequentially arranged on the hose (6) along the flowing direction of natural gas; wherein the pressure gauge (7) detects the pressure in the hose (6); the flange ball valve (8) blocks or releases the flow of the natural gas in the hose (6); the filter (9) filters the natural gas in the hose (6); the safety valve (10) regulates and controls the pressure in the early warning hose (6).
5. The natural gas recovery regulating device suitable for the urban natural gas pipe network according to claim 1, characterized in that: the air discharging assembly comprises a check valve (12), a flange ball valve (8), a pressure gauge (7), a hose (6) and a dispersing port (4), wherein the dispersing port (4) is connected to the air supply running pipe section (3); two ends of the hose (6) are respectively connected with the dispersion port (4) and the natural gas compressor (11).
6. The natural gas recovery regulating device suitable for the urban natural gas pipe network according to claim 5, characterized in that: the check valve (12), the flange ball valve (8) and the pressure gauge (7) are sequentially arranged on the hose (6) along the flowing direction of the natural gas; the check valve (12) controls the unidirectional flow of natural gas in the hose (6) to avoid gas backflow; the flange ball valve (8) blocks or releases the flow of the natural gas in the hose (6); the pressure gauge (7) detects the pressure in the hose (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120357035.6U CN215112046U (en) | 2021-02-07 | 2021-02-07 | Natural gas recovery regulation and control device suitable for urban natural gas pipe network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120357035.6U CN215112046U (en) | 2021-02-07 | 2021-02-07 | Natural gas recovery regulation and control device suitable for urban natural gas pipe network |
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| Publication Number | Publication Date |
|---|---|
| CN215112046U true CN215112046U (en) | 2021-12-10 |
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| CN202120357035.6U Expired - Fee Related CN215112046U (en) | 2021-02-07 | 2021-02-07 | Natural gas recovery regulation and control device suitable for urban natural gas pipe network |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114740221A (en) * | 2022-04-15 | 2022-07-12 | 东莞市横沥兴华管道燃气有限公司 | Method for monitoring flow velocity of medium in gas pipeline through pressure fluctuation analysis |
-
2021
- 2021-02-07 CN CN202120357035.6U patent/CN215112046U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114740221A (en) * | 2022-04-15 | 2022-07-12 | 东莞市横沥兴华管道燃气有限公司 | Method for monitoring flow velocity of medium in gas pipeline through pressure fluctuation analysis |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211210 |