CN213871198U - High-pressure isolating valve for petroleum transportation - Google Patents
High-pressure isolating valve for petroleum transportation Download PDFInfo
- Publication number
- CN213871198U CN213871198U CN202020700781.6U CN202020700781U CN213871198U CN 213871198 U CN213871198 U CN 213871198U CN 202020700781 U CN202020700781 U CN 202020700781U CN 213871198 U CN213871198 U CN 213871198U
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- China
- Prior art keywords
- valve
- valve body
- heat
- cavity
- valve rod
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- 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.)
- Expired - Fee Related
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- 239000003208 petroleum Substances 0.000 title claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 238000009413 insulation Methods 0.000 claims description 20
- 238000002955 isolation Methods 0.000 claims description 10
- 238000004321 preservation Methods 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 4
- 239000011229 interlayer Substances 0.000 claims 2
- 239000010410 layer Substances 0.000 claims 2
- 239000007788 liquid Substances 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
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- Temperature-Responsive Valves (AREA)
Abstract
The utility model discloses a high-pressure isolating valve for petroleum transportation, which comprises an upper valve body, a lower valve body, a valve core, a valve rod and a heat-insulating mechanism, wherein the lower valve body is fixed at the bottom of the upper valve body through bolts, the bottom of the lower valve body is connected with a valve cavity, the joint of the valve cavity and an inflow pipeline and an outflow pipeline is provided with a sealing ring, a spherical valve core is arranged in the valve cavity, a valve rod bearing is arranged between the upper valve body and the lower valve body, the valve rod is arranged in the valve rod bearing, the bottom of the valve rod is connected with the spherical valve core, the top cover of the valve rod penetrates through the upper valve body and extends out of the upper valve body, the heat-insulating mechanism comprises a heat-insulating shell and a filling cavity arranged in the heat-insulating shell, the heat-insulating shell is sleeved at the outer sides of the upper valve body and the lower valve body, the heat-conducting layer is arranged on the outer walls of the upper valve body and the lower valve body, and the filling is positioned between the heat-insulating shell and the heat-conducting layer, the utility model has the advantages that: can be normally used under the condition of low temperature, and has good sealing performance and high safety.
Description
Technical Field
The utility model belongs to the technical field of the valve, especially, relate to a high pressure isolating valve of oil transportation usefulness.
Background
The isolating valve belongs to a valve of switch type, namely only in an opening state or a closing state, and is different from a switch valve in that the isolating valve basically has a requirement on leakage level, the requirement on safety is relatively higher than that of the switch valve, some parts also have higher requirements on opening and closing speed, the high-pressure isolating valve is widely applied to petroleum transportation pipelines and is used for controlling the on-off of petroleum pipelines, most of media transported in the petroleum pipelines are low in temperature, the sensitivity of a valve rod is reduced when the high-pressure isolating valve is in a low-temperature working state for a long time, the high-pressure isolating valve cannot normally work, and petroleum transportation is influenced.
SUMMERY OF THE UTILITY MODEL
Not enough to the aforesaid, the utility model provides a high pressure isolating valve of oil transportation usefulness can be under the low temperature condition normal use, and the leakproofness is good, and the security is high.
The utility model discloses a realize through following technical scheme: a high pressure isolation valve for petroleum transportation, which is characterized in that: the heat insulation valve comprises an upper valve body, a lower valve body, a valve core, a valve rod and a heat insulation mechanism, wherein the lower valve body is fixed at the bottom of the upper valve body through bolts, the bottom of the lower valve body is connected with a valve cavity, the left side and the right side of the valve cavity are connected with an inflow pipeline and an outflow pipeline, a sealing ring is arranged at the joint of the valve cavity and the inflow pipeline as well as the outflow pipeline, a spherical valve core is arranged in the valve cavity, a valve rod bearing is arranged between the upper valve body and the lower valve body, the valve rod is arranged in the valve rod bearing, the bottom of the valve rod is connected with the spherical valve core, the top of the valve rod penetrates through a top cover of the upper valve body and extends out of the upper valve body, the heat insulation mechanism comprises a heat insulation shell and a filling cavity arranged in the heat insulation shell, the heat insulation shell is sleeved outside the upper valve body and the lower valve body, heat conduction layers are arranged on the outer walls of the upper valve body and the lower valve body, and filling is positioned between the heat insulation shell and the heat conduction layers, and an input pipeline and an output pipeline which are communicated with the filling cavity are arranged on the heat-insulating shell.
As an optimal technical scheme of the utility model, the lagging casing is equipped with the cavity intermediate layer, be equipped with the heat preservation cotton in the cavity intermediate layer.
As a preferred technical scheme of the utility model, the top of valve rod is connected with rotatory handle, rotatory fixing bolt on the handle, the bottom of going up the valve body is equipped with the screw hole, fixing bolt runs through in the rotatory handle screw in screw hole under the top in proper order.
As an optimized technical scheme of the utility model, be equipped with supporting part and under bracing portion in the lower valve body, it is equipped with sealed filling area to go up between supporting part and the under bracing portion.
As an optimal technical scheme of the utility model, be equipped with first sealing washer between upper support portion and the valve rod, be equipped with the second sealing washer between lower support portion and the valve rod.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) by arranging the heat insulation shell, the heat conduction layer, the filling cavity, the input pipeline and the output pipeline, the high-pressure isolation valve is heated at low temperature, the valve rod is prevented from being frozen when the valve rod, the upper valve body and the lower valve body are in a low-temperature state for a long time, the sensitivity of the valve rod is prevented from being reduced, and meanwhile, the condition that a worker is frostbitten when the valve rod is frequently operated at low temperature is avoided;
(2) the valve core is arranged in a spherical shape, and sealing is carried out through a sealing ring, so that the sealing performance of the high-pressure isolating valve is improved;
(3) the rotary handle is fixed on the upper valve body through the fixing bolt, so that a non-worker can be prevented from randomly switching on and off the high-pressure isolating valve, and the safety of petroleum transportation is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is an enlarged view at a in fig. 1.
List of reference numerals: 1. an upper valve body; 2. a lower valve body; 3. a spherical valve core; 4. a valve stem; 5. a valve cavity; 6. an inflow conduit; 7. an outflow conduit; 8. a seal ring; 9. a valve stem bearing; 10. a heat-insulating shell; 11. a heat conductive layer; 12. filling the cavity; 13. an input pipe; 14. an output pipe; 15. heat preservation cotton; 16. rotating the handle; 17. fixing the bolt; 18. an upper support section; 19. a lower support section; 20. sealing the filling area; 21. a first seal ring; 22. and a second seal ring.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and embodiments, which are to be understood as illustrative only and not limiting the scope of the invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1, the high-pressure isolating valve for petroleum transportation comprises an upper valve body 1, a lower valve body 2, a spherical valve core 3, a valve rod 4 and a heat insulation mechanism, wherein the lower valve body 2 is fixed at the bottom of the upper valve body 2 through bolts, the bottom of the lower valve body 2 is connected with a valve cavity 5, the left side and the right side of the valve cavity 5 are connected with an inflow pipeline 6 and an outflow pipeline 7, a sealing ring 8 is arranged at the joint of the valve cavity 5 and the inflow pipeline 6 as well as the outflow pipeline 7, the spherical valve core 3 is arranged in the valve cavity 5, a valve rod bearing 9 is arranged between the upper valve body 1 and the lower valve body 2, the valve rod 4 is arranged in the valve rod bearing 9, the bottom of the valve rod 4 is connected with the spherical valve core 3, the top of the valve rod 4 penetrates through the top cover of the upper valve body 1 and extends out of the upper valve body 1, the heat insulation mechanism comprises a heat insulation shell 10 and a heat conduction layer 11 arranged in the heat insulation shell 10, the heat insulation shell 10 is sleeved outside the upper valve body 1 and the lower valve body 2, the heat-conducting layer 11 is adhered to the outer walls of the upper valve body 1 and the lower valve body 2, a filling cavity 12 is arranged between the heat-insulating shell 10 and the heat-conducting layer 11, and the heat-insulating shell 10 is provided with an input pipeline 13 and an output pipeline 14 which are communicated with the filling cavity 12.
As an embodiment of the utility model, lagging casing 10 is equipped with the cavity intermediate layer, be equipped with heat preservation cotton 15 in the cavity intermediate layer, reduce the inside heat loss of lagging casing 10, improve and fill high temperature liquid in 12 cavities and to isolation valve heating efficiency.
As an embodiment of the utility model, the top of valve rod 4 is connected with rotatory handle 16, fixing bolt 17 on the rotatory handle 16, the bottom of going up valve body 1 is equipped with the screw hole, fixing bolt 17 runs through rotatory handle 16 screw in screw hole under the from top in proper order, fixes rotatory handle 16 on last valve body 1 through fixing bolt 17, avoids non-staff to switch high pressure isolation valve at will, improves the security of oil transportation.
As an embodiment of the utility model, as shown in fig. 2, be equipped with supporting part 18 and lower supporting part 19 in the lower valve body 2, go up and be equipped with sealed filling area 20 between supporting part 18 and the lower supporting part 19, improve the leakproofness of high pressure isolating valve.
As an embodiment of the utility model, be equipped with first sealing washer 21 between upper support portion 18 and the valve rod 4, be equipped with second sealing washer 22 between lower support portion 19 and the valve rod 4, further strengthen the leakproofness, reduce the leakage in the oil transportation.
The utility model discloses the during operation, screw out fixing bolt 17 from the screw hole, realize opening and shutting of high pressure isolation valve through rotating rotatory handle 16, when outside temperature is lower with the oil liquid temperature that flows in, pour into high temperature liquid through input pipeline 13 and fill in chamber 12, pass through heat-conducting layer 11 with temperature transmission go up valve body 1 and lower valve body 2, valve rod 4's temperature also can rise simultaneously, avoid valve rod 4 and last valve body 1 and the condition of freezing appearing between the lower valve body 2, influence valve rod 4's sensitivity, when the liquid temperature decline in filling chamber 12 loses heating function, rethread output pipeline 14 flows out the high temperature liquid that the temperature descends.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A high pressure isolation valve for petroleum transportation, which is characterized in that: the heat insulation valve comprises an upper valve body, a lower valve body, a valve core, a valve rod and a heat insulation mechanism, wherein the lower valve body is fixed at the bottom of the upper valve body through bolts, the bottom of the lower valve body is connected with a valve cavity, the left side and the right side of the valve cavity are connected with an inflow pipeline and an outflow pipeline, a sealing ring is arranged at the joint of the valve cavity and the inflow pipeline as well as the outflow pipeline, a spherical valve core is arranged in the valve cavity, a valve rod bearing is arranged between the upper valve body and the lower valve body, the valve rod is arranged in the valve rod bearing, the bottom of the valve rod is connected with the spherical valve core, the top of the valve rod penetrates through a top cover of the upper valve body and extends out of the upper valve body, the heat insulation mechanism comprises a heat insulation shell and a filling cavity arranged in the heat insulation shell, the heat insulation shell is sleeved outside the upper valve body and the lower valve body, heat conduction layers are arranged on the outer walls of the upper valve body and the lower valve body, and filling is positioned between the heat insulation shell and the heat conduction layers, and an input pipeline and an output pipeline which are communicated with the filling cavity are arranged on the heat-insulating shell.
2. The high pressure isolation valve for oil transportation according to claim 1, wherein: the heat preservation shell is provided with a hollow interlayer, and heat preservation cotton is arranged in the hollow interlayer.
3. The high pressure isolation valve for oil transportation according to claim 1, wherein: the top of the valve rod is connected with a rotary handle, a fixing bolt is arranged on the rotary handle, a threaded hole is formed in the bottom of the upper valve body, and the fixing bolt sequentially penetrates through the rotary handle from top to bottom and is screwed into the threaded hole.
4. The high pressure isolation valve for oil transportation according to claim 1, wherein: be equipped with supporting part and under bracing portion in the lower valve body, go up and be equipped with sealed filling area between supporting part and the under bracing portion.
5. The high pressure isolation valve for oil transportation according to claim 4, wherein: be equipped with first sealing washer between last supporting part and the valve rod, be equipped with the second sealing washer between lower support part and the valve rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020700781.6U CN213871198U (en) | 2020-04-30 | 2020-04-30 | High-pressure isolating valve for petroleum transportation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020700781.6U CN213871198U (en) | 2020-04-30 | 2020-04-30 | High-pressure isolating valve for petroleum transportation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213871198U true CN213871198U (en) | 2021-08-03 |
Family
ID=77032633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020700781.6U Expired - Fee Related CN213871198U (en) | 2020-04-30 | 2020-04-30 | High-pressure isolating valve for petroleum transportation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213871198U (en) |
-
2020
- 2020-04-30 CN CN202020700781.6U patent/CN213871198U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210803 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |