CN204900885U - Plate valve for sand control under water - Google Patents
Plate valve for sand control under water Download PDFInfo
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- CN204900885U CN204900885U CN201520534643.4U CN201520534643U CN204900885U CN 204900885 U CN204900885 U CN 204900885U CN 201520534643 U CN201520534643 U CN 201520534643U CN 204900885 U CN204900885 U CN 204900885U
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- valve seat
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Abstract
The utility model discloses a plate valve for sand control under water, include: the valve body, its left end formation medium upper reaches runner, the right -hand member of valve body forms medium low reaches runner, the flow direction internal diameter that the medium is followed to medium upper reaches runner is the echelonment increase in proper order, forms a plurality of annular first steps, the opposite direction of the flow direction of the internal diameter edge medium of medium low reaches runner is the echelonment increase in proper order, forms a plurality of annular second steps in proper order, first disk seat and second disk seat, first disk seat sets up with the cooperation of a plurality of first steps, the second disk seat sets up with the cooperation of a plurality of second steps. The utility model discloses can improve the leakproofness between disk seat and valve body, disk seat and valve plate, reduce the torsional forces of opening and close of plate valve under water, greatly improve the plate valve and in the performance that contains sand oil gas well, increased the life of plate valve under water.
Description
Technical field
The utility model relates to a kind of plate valve, especially one sand control plate valve under water.
Background technique
Along with the development of Offshore Oil Industry technology and the increase of the offshore oilfield depth of water, subsea production system is because of himself advantage: development cost is low, the construction period is short, development benefit is high and Security is more high, is more and more subject to the favor of countries in the world.Plate valve is the universal component of subsea production system under water, is also subsea equipment, controls the essential elements equipment of sea-bottom oil-gas switch in subsea production tree and subsea manifold system.The reliability and stability of its valve base sealing directly affect life-span and the switch moment of plate valve under water.
Different from traditional land valve, plate valve projected life is generally more than 20 years under water, demand fulfillment API6A, API17D testing property requirement, current plate valve symplex structure under water, generally comprise valve body, two valve seats and flashboard, valve plate slides up and down to open or close plate valve at two valve base chambers.But often containing grittiness in oil gas, grit easily enters the gap between valve body and valve seat, when grit accumulation is too much, valve seat can be caused not float, increase plate valve and open and close torque force, accelerate the wearing and tearing between valve seat and valve plate, shorten the working life of plate valve.
Model utility content
An object of the present utility model solves at least the problems referred to above and/or defect, and provide the advantage will illustrated at least below.
The utility model also has an object to be to provide one sand control plate valve under water, and it can effectively stop the gravel in oil gas to enter in valve seat and valve body gap, has very long working life.
In order to realize, according to these objects of the present utility model and other advantage, providing one sand control plate valve under water, comprising:
Valve body, its left end forms medium upstream runner, the right-hand member of described valve body forms medium downstream canal, described medium upstream runner flows to internal diameter stepped increase successively along medium, form the first step of multiple annular, the internal diameter of described medium downstream canal, along the opposite direction stepped increase successively of the flow direction of medium, forms the second step of multiple annular successively;
First valve seat and the second valve seat, described first valve seat and multiple first step are equipped with, and described second valve seat and multiple second step are equipped with.
Preferably, the described plate valve of sand control under water, the number of first step is two, and the number of second step is also two;
Described first valve seat is formed annular the first boss and the second boss, described first boss external diameter is greater than the external diameter of described second boss, described first boss and described second boss respectively with two first step Spielpassung; Described second valve seat is formed annular the 3rd boss and the 4th boss, the external diameter of described 3rd boss is greater than the external diameter of described 4th boss, described 3rd boss and described 4th boss respectively with two second step Spielpassung; The height face of described first boss is provided with the first groove of annular, the first elastic component is provided with in described first groove, the height face of described 3rd boss is provided with the second groove of annular, the second elastic component is provided with in described second groove, on described first valve seat middle part be provided with the first through hole and with described medium upstream flow passage, be provided with the second through hole in the middle part of described second valve seat and be communicated with described medium downstream canal;
A valve plate is also plugged between described first valve seat and described second valve seat, all fit with described first valve seat and described second valve seat in described valve plate surface, described first elastic component and described second elastic component apply oppressive force respectively to described first valve seat and described second valve seat, described valve plate is all compressed to make described first valve seat and described second valve seat, be provided with third through-hole in the middle part of described valve plate, described valve plate above-below direction in described valve body slide that described third through-hole and the first through hole are communicated with the second through hole simultaneously or while be not communicated with.
Preferably, the described plate valve of sand control under water, the curved surface of described first boss is provided with the 3rd groove of annular, the first Sealing is provided with in described 3rd groove, described first Sealing comprises the first ring-type metallic shim set gradually, first annular U type assembly and the first ring-type convex assembly, closed one end of described first ring-type metallic shim and described first annular U type assembly is close to, the bump of described first ring-type convex assembly stretches into the open end of described first annular U type assembly, and make two sides of described first annular U type assembly oppress the curved surface of described first step and described first boss respectively,
The curved surface of described 3rd boss is provided with the 4th groove of annular, the second Sealing is provided with in described 4th groove, described second Sealing comprises the second annular metal pad, the second annular U type assembly and the second ring-type convex assembly that set gradually, closed one end of described second annular metal pad and described second annular U type assembly is close to, the bump of described second ring-type convex assembly stretches into the open end of described second annular U type assembly, and makes two sides of described second annular U type assembly oppress described second step curved surface and described 3rd boss respectively.
Preferably, the described plate valve of sand control under water, the material of described first annular U type assembly and described second annular U type assembly is polyether-ether-ketone.
Preferably, the described plate valve of sand control under water, described first elastic component and described second elastic component are wavy spring.
Preferably, the described plate valve of sand control under water, the internal diameter of described first through hole, described second through hole and described third through-hole is all equal.
Preferably, the described plate valve of sand control under water, the gap in described Spielpassung is 1-2 millimeter.
Preferably, the described plate valve of sand control under water, also comprises:
First pore and the second pore, described first pore is opened in the upper end of described valve body, described second pore is opened in the lower end of described valve body, and described first pore is full of the air bag of air and described second pore by the first flexible pipe described in the second soft pipe connection to described air bag and the second flexible pipe are provided with solenoid valve by the first soft pipe connection to;
Controller, it is connected with institute solenoid valve.
The utility model at least comprises following beneficial effect:
The utility model can improve valve seat and valve body, sealing between valve seat and valve plate, reducing sand enters in the gap of valve seat and valve body, valve seat and valve plate, reduce the open and close torque power of plate valve under water, greatly improve plate valve in the performance containing sand Oil/gas Well, add the working life of plate valve under water.
Part is embodied by explanation below by other advantage of the present utility model, target and feature, part also will by research and practice of the present utility model by those skilled in the art is understood.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the schematic diagram of the first valve seat construction of the present utility model;
Fig. 3 is the structural representation of the second valve seat of the present utility model;
Fig. 4 is the structural representation of the first Sealing of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, can implements according to this with reference to specification word to make those skilled in the art.
Should be appreciated that used hereinly such as " to have ", other element one or more do not allotted in " comprising " and " comprising " term or the existence of its combination or interpolation.
Fig. 1, Fig. 2, Fig. 3 and Fig. 4 show according to a kind of way of realization of the present utility model, comprising:
Valve body 1, its left end forms medium upstream runner, the right-hand member of described valve body 1 forms medium downstream canal, described medium upstream runner flows to internal diameter stepped increase successively along medium, form the first step 11 of multiple annular, the internal diameter of described medium downstream canal, along the opposite direction stepped increase successively of the flow direction of medium, forms the second step 12 of multiple annular successively;
First valve seat 2 and the second valve seat 3, described first valve seat 2 is equipped with multiple first step 11, and described second valve seat 3 is equipped with multiple second step 12.
In technique scheme, the valve body 1 inner general formation criss-cross cavity of class of flap type, there is upper end, lower end, left end and right-hand member four end, medium such as oil gas moves from the left end of valve body 1 to the right-hand member of valve body 1, here the left end of valve body 1 is called medium upstream runner, the right-hand member of valve body 1 is called medium downstream canal.In flat plate valve gate, the sealing of the sealing of valve seat and valve body 1 and valve seat and valve plate 4 is all very important.Here, the internal diameter of medium upstream runner increases, form multiple first step 11, multiple second step 12 is formed in medium downstream canal, here first step 11 and second step 12 are annular, there is an annular height face and a curved surface, first valve seat 2 inserts medium upstream runner and coordinates with multiple first step 11, second valve seat 3 inserts medium downstream canal and coordinates with multiple second step 12, here cooperation can be that blind-mate or small―gap suture coordinate, and small―gap suture cooperation and gap are 0-2 millimeter.Owing to having multiple step, the path that valve body 1 coordinates with the first valve seat 2 and the second valve seat 3 is very long, improve the sealing between valve seat and valve body 1, grit in oil gas is not easy the gap entering valve seat and valve body 1, also be not easy to accumulate in gap, this makes the first valve seat 2 and the second valve seat 3 can float all the time, reduces the open and close torque power of plate valve under water.
In another kind of example, the described plate valve of sand control under water, the number of first step 11 is two, and the number of second step 12 is also two;
Described first valve seat 2 is formed annular the first boss 22 and the second boss 21, described first boss 22 external diameter is greater than the external diameter of described second boss 21, described first boss 22 and described second boss 21 respectively with two first step 11 Spielpassung; Described second valve seat 3 is formed annular the 3rd boss 32 and the 4th boss 31, the external diameter of described 3rd boss 32 is greater than the external diameter of described 4th boss 31, described 3rd boss 32 and described 4th boss 31 respectively with two second step 12 Spielpassung; The height face of described first boss 22 is provided with the first groove 23 of annular, the first elastic component 231 is provided with in described first groove 23, the height face of described 3rd boss 32 is provided with the second groove 33 of annular, the second elastic component 331 is provided with in described second groove 33, on described first valve seat 2 middle part be provided with the first through hole 24 and with described medium upstream flow passage, be provided with the second through hole 34 in the middle part of described second valve seat 3 and be communicated with described medium downstream canal;
A valve plate 4 is also plugged between described first valve seat 2 and described second valve seat 3, all fit with described first valve seat 2 and described second valve seat 3 in described valve plate 4 surface, described first elastic component 231 and described second elastic component 331 apply oppressive force respectively to described first valve seat 2 and described second valve seat 3, described valve plate 4 is all compressed to make described first valve seat 2 and described second valve seat 3, third through-hole is provided with in the middle part of described valve plate 4, described valve plate 4 above-below direction in described valve body 1 slide that described third through-hole and the first through hole 24 are communicated with the second through hole 34 simultaneously or while be not communicated with.
In technique scheme, provide first step 11 and the preferred number of second step 12, namely two first steps 11 and two second steps 12 can provide good anti-grit effect.In order to coordinate with two first steps 11 and two second steps 12, first valve seat 2 is established the first boss 22 and the second boss 21, second valve seat 3 is established the 3rd boss 32 and the 4th boss 31, and the first elastic component 231 is established between the first boss 22 and valve body 1, the second elastic component 331 is established between the 3rd boss 32 and valve body 1, first valve seat 2 and the second valve seat 3 are arranged dorsad, and a valve plate 4 is inserted in centre, valve plate 4 can slide up and down, for medium upstream runner is communicated with medium downstream canal or is not communicated with.Valve plate 4 and the first valve seat 2 and the second valve seat 3 all closely connected, first elastic component 231 and the second elastic component 331 are in compressive state, give the first valve seat 2 and the rightabout oppressive force of the second valve seat 3, to make valve plate 4 and the first valve seat 2 and the second valve seat 3 closely connected all the time, keep valve plate 4 and metal sealing closely between the first valve seat 2 and the second valve seat 3, strengthen the sealing of valve plate 4 and valve seat, cause the wearing and tearing on surface in the gap making grit cannot enter between valve seat and valve plate 4, and reduce the working life of gate valve.Therefore, in the utility model, valve seat and valve body 1, valve plate 4 all maintain good sealing with valve body 1.In practice, the corner of first step 11 and second step 12 all arranges fillet and is convenient to install.
In another kind of example, the described plate valve of sand control under water, the curved surface of described first boss 22 is provided with the 3rd groove 25 of annular, the first Sealing 26 is provided with in described 3rd groove 25, described first Sealing 26 comprises the first ring-type metallic shim 261 set gradually, first annular U type assembly 262 and the first ring-type convex assembly 263, described first ring-type metallic shim 261 is close to closed one end of described first annular U type assembly 262, the bump of described first ring-type convex assembly 263 stretches into the open end of described first annular U type assembly 262, and make two sides of described first annular U type assembly 262 oppress the curved surface of described first step 11 and described first boss 22 respectively,
The curved surface of described 3rd boss 32 is provided with the 4th groove 35 of annular, the second Sealing 36 is provided with in described 4th groove 35, described second Sealing 36 comprises the second annular metal pad set gradually, second annular U type assembly and the second ring-type convex assembly, closed one end of described second annular metal pad and described second annular U type assembly is close to, the bump of described second ring-type convex assembly stretches into the open end of described second annular U type assembly, and make two sides of described second annular U type assembly oppress described second step 12 curved surface and described 3rd boss 32 respectively.
A kind of mode this providing a kind of reinforcement the first valve seat 2 and seal between the second valve seat 3 and valve body 1, ensures sealing when flat plate valve gate is closed under water.For the first valve seat 2, the 3rd groove 25 is established in the curved surface of the first boss 22, and the first Sealing 26 is placed in the 3rd groove 25, this first Sealing 26 comprises the first ring-type metallic shim 261, first annular U type assembly 262 and the first ring-type convex assembly 263, during use, the bump of the first ring-type convex assembly 263 is stretched into the first annular U type assembly 262, the bump making the first ring-type convex assembly 263 all the time by the both sides squeezed tight of the first annular U type assembly 262 on valve body 1 and the first boss 22, here the first annular U type assembly 262 can be plastics, there is elasticity, that realize valve body 1 with nonmetal sealing that is the first valve seat 2, the sealing of further reinforcement first valve seat 2 and valve body 1.In like manner, the second annular metal pad, the second annular U type assembly and the second ring-type convex assembly strengthen the sealing of the second valve seat 3 and valve body 1.
In another kind of example, the described plate valve of sand control under water, the material of described first annular U type assembly 262 and described second annular U type assembly is polyether-ether-ketone.Polyether-ether-ketone radioresistance, insulating properties are stable, hydrolysis resistance, and resistance to compression, corrosion-resistant, its mechanical parts be made into have self-lubricating effect, and have the material requirement that certain elasticity meets U-shaped assembly completely.
In another kind of example, the described plate valve of sand control under water, described first elastic component 231 and described second elastic component 331 are wavy spring.This provide the first elastic component 231 and the preferred scheme of the second elastic component 331.
In another kind of example, the described plate valve of sand control under water, the internal diameter of described first through hole 24, described second through hole 34 and described third through-hole is all equal.First through hole 24, second through hole 34 and third through-hole are used for permeable medium, and internal diameter is all equal is advisable.
In another kind of example, the described plate valve of sand control under water, the gap in described Spielpassung is 1-2 millimeter.Spielpassung both can ensure that the first valve seat 2 and the second valve seat 3 had sealing with valve body 1, can make again the first valve seat 2 and the second valve seat 3 can have in valve body 1 inside to a certain degree float, reduce valve plate 4 and the frictional force between the first valve seat 2 and the second valve seat 3 surface of contact, the slip of valve plate 4 between the first valve seat 2 and the second valve seat 3 is more prone to.
In another kind of example, the described plate valve of sand control under water, also comprises:
First pore and the second pore, described first pore is opened in the upper end of described valve body 1, described second pore is opened in the lower end of described valve body 1, and described first pore is full of the air bag of air and described second pore by the first flexible pipe described in the second soft pipe connection to described air bag and the second flexible pipe are provided with solenoid valve by the first soft pipe connection to;
Controller, it is connected with institute solenoid valve, and described controller controls described solenoid valve and opens once every day, to make described air bag blow in described valve body 1, each unlatching 5-10 second.
In technique scheme, the first pore and the second pore is offered respectively in the top and bottom of class cross cavity, first pore and the second pore are all communicated to an air bag, air bag is blown once every day in valve body 1 chamber, so that the grit entering valve plate 4 and the first valve seat 2 and the second valve seat 3 gap and valve body 1 and the first valve seat 2 and the second valve seat 3 gap is blown in medium upstream runner or medium downstream canal, avoid grit to accumulate in gap, every day, air-blowing quantity can be determined according to the internal diameter of the pressure of medium and medium upstream runner, medium downstream canal.
Although embodiment of the present utility model is open as above, it is not restricted to listed in specification and mode of execution utilization.It can be applied to various applicable field of the present utility model completely.For those skilled in the art, can easily realize other amendment.Therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (8)
1. a sand control plate valve under water, is characterized in that, comprising:
Valve body, its left end forms medium upstream runner, the right-hand member of described valve body forms medium downstream canal, described medium upstream runner flows to internal diameter stepped increase successively along medium, form the first step of multiple annular, the internal diameter of described medium downstream canal, along the opposite direction stepped increase successively of the flow direction of medium, forms the second step of multiple annular successively;
First valve seat and the second valve seat, described first valve seat and multiple first step are equipped with, and described second valve seat and multiple second step are equipped with.
2. sand control plate valve under water as claimed in claim 1, it is characterized in that, the number of first step is two, and the number of second step is also two;
Described first valve seat is formed annular the first boss and the second boss, described first boss external diameter is greater than the external diameter of described second boss, described first boss and described second boss respectively with two first step Spielpassung; Described second valve seat is formed annular the 3rd boss and the 4th boss, the external diameter of described 3rd boss is greater than the external diameter of described 4th boss, described 3rd boss and described 4th boss respectively with two second step Spielpassung; The height face of described first boss is provided with the first groove of annular, the first elastic component is provided with in described first groove, the height face of described 3rd boss is provided with the second groove of annular, the second elastic component is provided with in described second groove, on described first valve seat middle part be provided with the first through hole and with described medium upstream flow passage, be provided with the second through hole in the middle part of described second valve seat and be communicated with described medium downstream canal;
A valve plate is also plugged between described first valve seat and described second valve seat, all fit with described first valve seat and described second valve seat in described valve plate surface, described first elastic component and described second elastic component apply oppressive force respectively to described first valve seat and described second valve seat, described valve plate is all compressed to make described first valve seat and described second valve seat, be provided with third through-hole in the middle part of described valve plate, described valve plate above-below direction in described valve body slide that described third through-hole and the first through hole are communicated with the second through hole simultaneously or while be not communicated with.
3. sand control plate valve under water as claimed in claim 2, it is characterized in that, the curved surface of described first boss is provided with the 3rd groove of annular, the first Sealing is provided with in described 3rd groove, described first Sealing comprises the first ring-type metallic shim set gradually, first annular U type assembly and the first ring-type convex assembly, closed one end of described first ring-type metallic shim and described first annular U type assembly is close to, the bump of described first ring-type convex assembly stretches into the open end of described first annular U type assembly, and make two sides of described first annular U type assembly oppress the curved surface of described first step and described first boss respectively,
The curved surface of described 3rd boss is provided with the 4th groove of annular, the second Sealing is provided with in described 4th groove, described second Sealing comprises the second annular metal pad, the second annular U type assembly and the second ring-type convex assembly that set gradually, closed one end of described second annular metal pad and described second annular U type assembly is close to, the bump of described second ring-type convex assembly stretches into the open end of described second annular U type assembly, and makes two sides of described second annular U type assembly oppress described second step curved surface and described 3rd boss respectively.
4. sand control plate valve under water as claimed in claim 3, it is characterized in that, the material of described first annular U type assembly and described second annular U type assembly is polyether-ether-ketone.
5. sand control plate valve under water as claimed in claim 2, it is characterized in that, described first elastic component and described second elastic component are wavy spring.
6. sand control plate valve under water as claimed in claim 2, it is characterized in that, the internal diameter of described first through hole, described second through hole and described third through-hole is all equal.
7. sand control plate valve under water as claimed in claim 2, it is characterized in that, the gap in described Spielpassung is 1-2 millimeter.
8. sand control plate valve under water as claimed in claim 2, is characterized in that, also comprise:
First pore and the second pore, described first pore is opened in the upper end of described valve body, described second pore is opened in the lower end of described valve body, and described first pore is full of the air bag of air and described second pore by the first flexible pipe described in the second soft pipe connection to described air bag and the second flexible pipe are provided with solenoid valve by the first soft pipe connection to;
Controller, it is connected with institute solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520534643.4U CN204900885U (en) | 2015-07-22 | 2015-07-22 | Plate valve for sand control under water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520534643.4U CN204900885U (en) | 2015-07-22 | 2015-07-22 | Plate valve for sand control under water |
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| Publication Number | Publication Date |
|---|---|
| CN204900885U true CN204900885U (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520534643.4U Active CN204900885U (en) | 2015-07-22 | 2015-07-22 | Plate valve for sand control under water |
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| CN (1) | CN204900885U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989836A (en) * | 2015-07-22 | 2015-10-21 | 中石化石油工程机械有限公司研究院 | Flat gate valve for underwater sand prevention |
-
2015
- 2015-07-22 CN CN201520534643.4U patent/CN204900885U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989836A (en) * | 2015-07-22 | 2015-10-21 | 中石化石油工程机械有限公司研究院 | Flat gate valve for underwater sand prevention |
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Effective date of registration: 20170908 Address after: 430223 Jianghan Oil bit Limited by Share Ltd office building, No. 5, Chinese workers' road, East Lake New Technology Development Zone, Wuhan, Hubei Co-patentee after: SINOPEC OILFIELD EQUIPMENT CORPORATION Patentee after: Sinopec Research Institute of petroleum machinery and Limited by Share Ltd Address before: 430223 Hubei, East Lake New Technology Development Zone, Optics Valley Road, No. 77,, financial port, A2 Patentee before: Research Institute of SINOPEC Petroleum Engineering Machinery Co., Ltd. |