CN201428842Y - Oil and gas flow control valve for oil and gas recovery piping system - Google Patents
Oil and gas flow control valve for oil and gas recovery piping system Download PDFInfo
- Publication number
- CN201428842Y CN201428842Y CN2009200734809U CN200920073480U CN201428842Y CN 201428842 Y CN201428842 Y CN 201428842Y CN 2009200734809 U CN2009200734809 U CN 2009200734809U CN 200920073480 U CN200920073480 U CN 200920073480U CN 201428842 Y CN201428842 Y CN 201428842Y
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- China
- Prior art keywords
- oil
- spool
- valve
- valve core
- top cover
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- Expired - Fee Related
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Abstract
The utility model relates to an oil and gas flow control valve for an oil and gas recovery piping system, which comprises a valve body. An air valve component consisting of a valve core support frame,a valve core copper sleeve, a spring, a sealing ring and a valve core top cover are mounted in the valve cavity body. The valve core copper sleeve is sleeved, matched and pressed into the valve body;the valve core support frame and the spring are mounted on one side of the valve core copper sleeve; the valve core top cover and the sealing ring are mounted on the other side of the valve core copper sleeve; the valve core top cover is connected with the valve core support frame into a whole through threads; and the sealing ring on the valve core top cover is tightly pressed on the sealing baseof the valve core copper sleeve under the normal state by means of the pressure of the spring. When the oil and gas flow control valve is in use, the oil and gas valve can be opened through increasing the negative pressure of the vacuum pump of the oil and gas recovery piping system; a lower-temperature oil and gas in a station storage tank is sucked and transmitted to the inlet of the vacuum pump; and the negative pressure of the vacuum pump is larger, the input low-temperature oil and gas volume is larger, so that the vacuum pump works under good working conditions. The utility model has the advantages of skilful design, simple structure, flexible control, low cost and popularization value.
Description
Technical field:
The utility model relates to a kind of device for recovering oil and gas, more specifically to a kind of gas stream adjustable valve that is used for oil gas recovery channel system that reduces the vacuum pump temperature rise.
Background technique:
Along with rapid economy development, the popularity rate of large-and-medium size cities automobile is also more and more higher, and what the gas station was not only extremely lonely already stands erect by the expressway.It has become the part of urban road, has occurred more gas station around resident operational site and the living community, so the safety and the environmental issue at oil station become even more important.As everyone knows, the safety at oil station and environmental issue are from the oil storage tank at oil station and the oil gas in the automotive oil tank, and the gas station is the main source of oil gas loss in the process of the RTC unloading operation and the operation that refuels a car.Owing to include the gaseous state toxic chemical in the oil gas, be a kind of harmful Kong gas Wu Ran Wu Quality; The excessive concentration of while oil gas, the seepage of oil gas and uncontrolled discharging cause the oil supply station possibility of fire, blast.Therefore must and carry out oil gas in for the automobile fuel filler operation process and reclaim in the RTC unloading operation.Pen person has an intimate knowledge to potential safety hazard, befouling environment and the wasting of resources that oil gas brought once in U.S.'s study, work, research for many years.The gas recovery system for oil that install present gas station, particularly install and contain after the flame-proof type oil gas recovery vacuum pump of automatic pressure modulating valve, can adapt to the fluctuation of oil-air pressure, when running into the variation of exhaust obstruction or internal pressure, vacuum pump can be regulated delivery side of pump pressure automatically, does opening or closing of appropriateness with the variation of pressure, part or all of gas can be refluxed do circulation in the pump housing, reach the purpose of pressure release, obtained significant effect.Jing Pen person further furthers investigate, in this structural system when the long-term incorrect use of oil gas recovery vacuum pump or long-term negative cut unbalanced or cause the temperature rise of vacuum pump because of other situation, this just might irritate the deep fat gas of high temperature in the oil-feed jar, be a kind of potential danger, must be taken precautions against the generation of the accident of averting a calamity.
The model utility content:
The purpose of this utility model provide at the prior art deficiency a kind of can effectively suppress existing gas recovery system for oil intermediate pump temperature rise and rational in infrastructure, installation and maintenance are easy, the reusable gas stream adjustable valve that is used for oil gas recovery channel system.
The purpose of this utility model is to realize by following measure: a kind of gas stream adjustable valve that is used for oil gas recovery channel system, it comprises valve body, the oil gas multiple-way valve assembly is installed in the valve chamber, its special way is: described oil gas multiple-way valve assembly is by the spool support, the spool copper sheathing, spring, seal ring, the spool top cover is formed, described spool rack body and flange section are crosswise, its flange is provided with tapped hole to the side end face, spool top cover one side has flange the external screw thread that is complementary with spool support tapped hole to be arranged on it, its cylinder has the groove that seal ring is installed, the inner cylinder that is provided with the band crossette in the described spool copper sheathing is for the slippage of spool support, and one port is provided with sealing seat; The press fit of described spool copper sheathing is pressed in the valve body, spool support and spring are installed in spool copper sheathing one side, spool top cover and seal ring are installed in spool copper sheathing opposite side, the spool top cover fuses by screw thread and spool support, is pressed on the sealing seat of spool copper sheathing by the seal ring on the spring pressure spool top cover under the normality.
Compared with prior art, owing to adopted the gas stream adjustable valve that is used for oil gas recovery channel system that the utility model proposes, when the pressure in the vacuum pump of oil gas recovery channel system changes, when increasing as negative pressure, can open the oil gas valve, the oil gas of lower temperature in the oil storage tank of station is sucked the inlet that is sent to vacuum pump, the negative pressure of vacuum pump is big more, the oil and gas content of the low temperature of input is also just big more, reduce oil gas as much as possible and circulate in vacuum pump, the thermal effect of low its generation that disappears makes vacuum pump work under good operating mode all the time, can not produce temperature rise, prolong its working life.The utility model deft design, simple in structure, control flexible, easy to use, with low cost, have promotional value.
Description of drawings:
Fig. 1 is the utility model embodiment's a structural representation.
Fig. 2 is the schematic representation of Fig. 1 embodiment spool open mode.
Fig. 3 is Fig. 1 embodiment decomposing schematic representation.
Fig. 4 is installed in the interior oil gas recovery channel system oil-way schematic representation of oil station oil storage tank people from top well for Fig. 1 embodiment.
Fig. 5 is installed in oil station oil gas recovery channel system oil-way schematic representation above the ground for Fig. 1 embodiment.
Embodiment:
Below in conjunction with accompanying drawing embodiment is elaborated:
Fig. 1～Fig. 3 has provided the utility model embodiment's structural representation.A kind of gas stream adjustable valve that is used for oil gas recovery channel system among the figure, it comprises valve body 1, oil gas multiple-way valve assembly 2 is installed in the valve chamber, described air-valve assembly is by spool support 21, spool copper sheathing 22, spring 23, seal ring 24, spool top cover 25 is formed, described spool support 21 bodies 211 and flange 212 cross sections are crosswise, 212 pairs of side end faces of its flange are provided with tapped hole 213, spool top cover one side has flange the external screw thread 251 that is complementary with spool support tapped hole to be arranged on it, its cylinder has the groove 252 that seal ring 24 is installed, the inner cylinder 222 that is provided with band crossette 221 in the described spool copper sheathing is for 21 slippages of spool support, and one port is provided with sealing seat 223; The press fit of described spool copper sheathing is pressed in the valve body 1, spool support 21 and spring 23 are installed in spool copper sheathing 22 1 sides, spool top cover 25 and seal ring 24 are installed in spool copper sheathing 22 opposite sides, spool top cover 25 fuses by the screw 213 of screw thread 251 with spool support 21, is pressed on the sealing seat 223 of spool copper sheathing by the seal ring 24 on the spring 23 pressure valve core top covers 25 under the normality.
Working principle of the present utility model is such: nozzle stretches in the oil tank of vehicle and refuels to group refueling the time, the vacuum pump running of oil gas recovery channel system simultaneously produces pull of vacuum, make in the oil gas recovery channel and set up negative pressure, oil gas in the absorption oil tank of vehicle is sent back in the underground tank and is preserved, and makes in the oil tank to reach to state of equilibrium.When the negative pressure of oil gas recovery channel system changes, as: negative pressure increases, and can open the spool top cover, open the oil gas valve, oil gas is the criss-cross groove from spool rack body and flange section and flows through, and the oil gas of lower temperature in the oil storage tank of station is sucked the inlet that is sent to vacuum pump, sees Fig. 2.It makes that vacuum pump in use do not stop always is subjected to the air cooling action effect, and therefore vacuum pump can not produce temperature rise.The degree that the spool top cover is opened is that to produce mutual pressure reduction by valve core spring and vacuum pump chamber internal pressure corresponding and make and be adjusted to state of equilibrium automatically, and flow control valve can provide suitably and the supplying gas to cooperate vacuum pump in the negative demand that cuts down of difference of variable flow vacuum pump.
Fig. 4 is installed in the interior oil gas recovery channel system oil-way schematic representation of oil station oil storage tank people from top well for Fig. 1 embodiment.Among the figure: buried tank 3, underground oil and gas recovery tube 4, oil gas modulating valve 1, oil gas recovery vacuum pump 5, oilling machine 6.The oil gas modulating valve is according to the opening degree of the negative pressure automatic regulating valve door in the oil gas recovery tube.Fig. 5 is installed in oil station oil gas recovery channel system oil-way schematic representation above the ground for Fig. 1 embodiment.Oil gas vacuum pump 5, rainproof shell 7, flow control valve 1, oil gas recovery vacuum pump entrance point 8, connection underground tank entrance point 9, vacuum pump outlet end among the figure.Two kinds of effects that mounting type all can be obtained.
The foregoing description does not constitute restriction of the present utility model, and all employings are equal to the technological scheme that form obtained of replacement or equivalent transformation, all drop within the protection domain of the present utility model.
Claims (1)
1. gas stream adjustable valve that is used for oil gas recovery channel system, it comprises valve body, and the oil gas multiple-way valve assembly is installed in the valve chamber, it is characterized in that: described oil gas multiple-way valve assembly is made up of spool support, spool copper sheathing, spring, seal ring, spool top cover; Described spool rack body and flange section are crosswise, its flange is provided with tapped hole to the side end face, spool top cover one side has flange the external screw thread that is complementary with spool support tapped hole to be arranged on it, its cylinder has the groove that seal ring is installed, the inner cylinder that is provided with the band crossette in the described spool copper sheathing is for the slippage of spool support, and one port is provided with sealing seat; The press fit of described spool copper sheathing is pressed in the valve body, spool support and spring are installed in spool copper sheathing one side, spool top cover and seal ring are installed in spool copper sheathing opposite side, the spool top cover fuses by screw thread and spool support, is pressed on the sealing seat of spool copper sheathing by the seal ring on the spring pressure spool top cover under the normality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200734809U CN201428842Y (en) | 2009-06-05 | 2009-06-05 | Oil and gas flow control valve for oil and gas recovery piping system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200734809U CN201428842Y (en) | 2009-06-05 | 2009-06-05 | Oil and gas flow control valve for oil and gas recovery piping system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201428842Y true CN201428842Y (en) | 2010-03-24 |
Family
ID=42032580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200734809U Expired - Fee Related CN201428842Y (en) | 2009-06-05 | 2009-06-05 | Oil and gas flow control valve for oil and gas recovery piping system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201428842Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062238A (en) * | 2010-08-31 | 2011-05-18 | 海湾石油设备（北京）有限公司 | Oil gas recycle type gas liquid ratio special regulating valve and regulating method thereof |
| CN103062613A (en) * | 2013-01-24 | 2013-04-24 | 天津博宜特科技有限公司 | Bidirectional variable valve |
-
2009
- 2009-06-05 CN CN2009200734809U patent/CN201428842Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062238A (en) * | 2010-08-31 | 2011-05-18 | 海湾石油设备（北京）有限公司 | Oil gas recycle type gas liquid ratio special regulating valve and regulating method thereof |
| CN102062238B (en) * | 2010-08-31 | 2013-09-11 | 海湾环保工程（北京）股份有限公司 | Oil gas recycle type gas liquid ratio special regulating valve and regulating method thereof |
| CN103062613A (en) * | 2013-01-24 | 2013-04-24 | 天津博宜特科技有限公司 | Bidirectional variable valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZOU DAWEI Free format text: FORMER OWNER: SHANGHAI DINGRUI METAL HARDWARE CO., LTD. Effective date: 20100729 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201611 2/F, BUILDING 3, KEBANG INDUSTRY PARK, NO.20, BEIMIN ROAD, SONGJIANG DISTRICT, SHANGHAI CITY TO: 200233 ROOM 1201, BUILDING 13, LANE 1698, ZHONGSHAN WEST ROAD, SHANGHAI CITY |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100729 Address after: 200233 room 13, building 1698, Lane 1201, Zhongshan West Road, Shanghai Patentee after: Zou Dawei Address before: COBON Industrial Park No. 20 201611 Shanghai city Songjiang District North min road 3 Building 2 floor Patentee before: Shanghai Dingrui Metal Hardware Co., Ltd. |
|
| 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: 20100324 Termination date: 20160605 |