CN205173525U - Submarine pipeline pair gate valve - Google Patents

Submarine pipeline pair gate valve Download PDF

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Publication number
CN205173525U
CN205173525U CN201520909665.4U CN201520909665U CN205173525U CN 205173525 U CN205173525 U CN 205173525U CN 201520909665 U CN201520909665 U CN 201520909665U CN 205173525 U CN205173525 U CN 205173525U
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CN
China
Prior art keywords
valve
gate
valve body
gate valve
core
Prior art date
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
Application number
CN201520909665.4U
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Chinese (zh)
Inventor
杨宜菊
陈维宾
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI PUDONG HANWEI VALVE CO Ltd
Original Assignee
SHANGHAI PUDONG HANWEI VALVE CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHANGHAI PUDONG HANWEI VALVE CO Ltd filed Critical SHANGHAI PUDONG HANWEI VALVE CO Ltd
Priority to CN201520909665.4U priority Critical patent/CN205173525U/en
Application granted granted Critical
Publication of CN205173525U publication Critical patent/CN205173525U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a submarine pipeline pair gate valve, it contains: the valve body, its floodgate way that contains a pair of gate valve chamber and communicate with this a pair of gate valve chamber, a pair of gate subassembly, it sets up respectively each gate valve intracavity, be equipped with a seal assembly between every gate subassembly and the inner wall that corresponds the gate valve chamber respectively, a pair of valve gap, it overlaps respectively establishes each valve member on, and connect the valve body, be equipped with the 2nd seal assembly between every valve gap and the gate subassembly that corresponds respectively. Its advantage is: in the valve body of packing two gate valves into, form a valves, can realize the function of motion of two deck valve doors, again can maximum saving installation space, reduce the outer leak source of sewing, increase pipeline transport's reliability and safety.

Description

Submarine pipeline duplex gate valve
Technical field
The utility model relates to gate valve technical field, is specifically related to a kind of submarine pipeline duplex gate valve for oil, gas conveying.
Background technique
Gate valve with pod apertures is that a kind of structure simply blocks adjustment type valve, can be used as the Trimmed sums throttling use on pipeline, has the features such as flow resistance is little, pressure drop is little, keying moment is little, is widely used in installing and using on oil, natural gas transmission pipeline;
Duplex gate valve of the prior art is that two single gate valves install realization by recombinant, and be not designed to valve group form, therefore installing space is large, and spended time is long, and leakage point is many.
Model utility content
The purpose of this utility model is to provide a kind of submarine pipeline duplex gate valve, it is by loading in a valve body by two gate valves, form a valve group, the function of motion of two deck valve doors can be realized, farthest can save installing space again, reduce external leakage leak source, increase the reliability and safety of pipeline transport.
In order to achieve the above object, the utility model is achieved through the following technical solutions:
A kind of submarine pipeline duplex gate valve, is characterized in that, comprise:
Valve body, its gate comprising a pair gate valve chamber and be communicated with this pair gate valve chamber;
A pair gate member, it is separately positioned in each described gate valve chamber, is respectively equipped with the first black box between each gate member with the inwall in corresponding gate valve chamber;
A pair valve gap, it is set on each described valve member respectively, and the valve body described in connecting, be respectively equipped with the second black box between each valve gap and corresponding gate member.
Above-mentioned submarine pipeline duplex gate valve, wherein, each described gate member comprises respectively:
Flashboard, it is parallel type Single disc, which is provided with pod apertures;
Valve rod, itself and described flashboard are threaded connection and are fixed by bearing pin, and described valve gap is set in outside this valve rod.
Above-mentioned submarine pipeline duplex gate valve, wherein, each the first described black box comprises respectively:
Upper valve body mends core, it is between described gate valve chamber and corresponding flashboard upper end, and be provided with the first lip-type packing between this upper valve body benefit core and described gate valve cavity wall, this upper valve body is mended between core and described flashboard upper end and is provided with upper valve base, and described upper valve base and upper valve body are mended between core and be provided with the first polytetrafluoroethylsealed sealed circle;
Lower valve body mends core, it is between described gate valve chamber and corresponding flashboard lower end, and be provided with the second lip-type packing between this lower valve body benefit core and described gate valve cavity wall, this lower valve body is mended between core and described flashboard lower end and is provided with lower valve base, and described lower valve base and lower valve body are mended between core and be provided with the second polytetrafluoroethylsealed sealed circle;
Upper backup pad, it is arranged between described upper valve base and corresponding valve gap;
Lower supporting plate, it is arranged between described lower valve base and corresponding gate valve chamber bottom interior wall.
Above-mentioned submarine pipeline duplex gate valve, wherein:
Each the second described black box lays respectively between corresponding valve rod and valve gap, and it is the ring structure of the band Multi-point sealing function of material filling type, and it comprises the 3rd lip-type packing, metal spacer ring, V-shaped seal ring and Gland.
Above-mentioned submarine pipeline duplex gate valve, wherein:
With medium contact position equal built-up welding corrosion resistant alloy Inconel625 on described valve body, valve gap;
The described benefit of valve body up and down core, upper and lower support plate, upper lower valve base, valve rod, flashboard all adopt cast-in-block Inconel625 alloy material.
Above-mentioned submarine pipeline duplex gate valve, wherein:
Each described valve gap is connected with stud is corresponding with described valve body respectively by band cap nut, is provided with O RunddichtringO, is provided with the 4th lip-type packing between valve body and the surface of contact of valve gap between described band cap nut and valve gap.
Above-mentioned submarine pipeline duplex gate valve, wherein, also comprises:
Pair of brackets, it is connected respectively each described valve gap.
The utility model compared with prior art has the following advantages: it is by loading in a valve body by two gate valves, form a valve group, the function of motion of two deck valve doors can be realized, farthest can save installing space again, reduce external leakage leak source, increase the reliability and safety of pipeline transport.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is the structural representation of the first black box in the utility model;
Fig. 3 is the structural representation of the second black box in the utility model;
Fig. 4 is the sealed structural representation in the utility model between valve gap and valve body.
Embodiment
Below in conjunction with accompanying drawing, by describing a preferably specific embodiment in detail, the utility model is further elaborated.
As shown in Figure 1; A kind of submarine pipeline duplex gate valve, it comprises: valve body 1, its gate comprising a pair gate valve chamber and be communicated with this pair gate valve chamber; A pair gate member, it is separately positioned in each described gate valve chamber, is respectively equipped with the first black box between each gate member with the inwall in corresponding gate valve chamber; A pair valve gap 4, it is set on each described valve member respectively, and the valve body 1 described in connecting, be respectively equipped with the second black box between each valve gap 4 and corresponding gate member; Pair of brackets 6, it is connected respectively each described valve gap 4, and the support 6 also outside final controlling element of corresponding connection.
Each described gate member comprises respectively: flashboard 21, and it is parallel type Single disc, which is provided with pod apertures regulating flow quantity; Valve rod 22, itself and described flashboard 21 are threaded connection, and are fixed by bearing pin 221, and to guarantee that valve rod 22 drives flashboard 21 in the stability moved up and down in switching process and reliability, described valve gap 4 is set in outside this valve rod 22.
As shown in Figure 1, 2, each the first described black box comprises respectively: upper valve body mends core 311, it is between described gate valve chamber and corresponding flashboard 21 upper end, and be provided with the first lip-type packing 11 between this upper valve body benefit core 311 and described gate valve cavity wall, this upper valve body is mended between core 311 and described flashboard 21 upper end and is provided with upper valve base 321, and described upper valve base 321 and upper valve body are mended between core 311 and be provided with the first polytetrafluoroethylsealed sealed circle 3111; Lower valve body mends core 312, it is between described gate valve chamber and corresponding flashboard 21 lower end, and be provided with the second lip-type packing between this lower valve body benefit core 312 and described gate valve cavity wall, this lower valve body is mended between core 312 and described flashboard 21 lower end and is provided with lower valve base 322, and described lower valve base 322 and lower valve body are mended between core 312 and be provided with the second polytetrafluoroethylsealed sealed circle; Upper backup pad 331, it is arranged between described upper valve base 321 and corresponding valve gap 4; Lower supporting plate 332, it is arranged between described lower valve base 322 and corresponding gate valve chamber bottom interior wall, the centre of above-mentioned lip-type packing is provided with spring, spring can apply pretightening force to valve seat, seal in a low voltage state, when pressure medium constantly raises, lip honeybee women's right is strutted by pressure medium, promote valve body benefit core and valve seat and flashboard to fit, form honeybee, mend power that the polytetrafluoroethylsealed sealed circle that arranges between core and valve seat transmits by lip-type packing and medium active force at valve body and valve body is mended to be formed between core and valve seat to seal.
Each the second described black box lays respectively between corresponding valve rod 22 and valve gap 4, it is the ring structure of the band Multi-point sealing function of material filling type, it comprises the 3rd lip-type packing 51, metal spacer ring 52, V-shaped seal ring 53 and Gland 54, in the present embodiment, its concrete structure is arranged as shown in Figure 3, when the lower portion metal spring that pressure medium promotes above-mentioned lip-type packing moves, metal spring promotes the V-shaped seal ring in the middle of lip-type packing moves to promote metal spacer ring again, the V-shaped seal ring of lip-type packing upper part is promoted again by metal spacer ring, form Multi-point sealing effect, and pressure medium is higher, its sealing function is more superior.
With medium contact position equal built-up welding corrosion resistant alloy Inconel625 on described valve body 1, valve gap 4; Described valve body up and down mend core 311,312, upper and lower support plate 331,332, upper lower valve base 321,322, valve rod 22, flashboard 21 all adopt cast-in-block Inconel625 alloy material, avoids different metal materials to contact generation potential difference corrosion effect.
As shown in Figure 4, each described valve gap 4 is connected with stud 42 is corresponding with described valve body 1 respectively by band cap nut 41, O RunddichtringO 44 is provided with between described band cap nut 41 and valve gap 4, the 4th lip-type packing 43 is provided with between the surface of contact of valve body 1 and valve gap 4, effectively can prevent seawater from entering gap and thread pitch corrosion is formed to the tapped hole on band cap nut 41 and stud 42 and valve body 1, protect the effective connection between valve body 1 and valve gap 4 thus ensure the performance of valve and extend its working life; In the present embodiment, final controlling element and support 6, between support 6 and valve gap 4, also adopt above-mentioned Full Thread FT stud+special seal band cap nut form respectively, avoid the corrosion of seawater double thread.
Although content of the present utility model has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple amendment of the present utility model and substitute will be all apparent.Therefore, protection domain of the present utility model should be limited to the appended claims.

Claims (7)

1. a submarine pipeline duplex gate valve, is characterized in that, comprises:
Valve body (1), its gate comprising a pair gate valve chamber and be communicated with this pair gate valve chamber;
A pair gate member, it is separately positioned in each described gate valve chamber, is respectively equipped with the first black box between each gate member with the inwall in corresponding gate valve chamber;
A pair valve gap (4), it is set on each described valve member respectively, and the valve body (1) described in connecting, be respectively equipped with the second black box between each valve gap (4) and corresponding gate member.
2. submarine pipeline duplex gate valve as claimed in claim 1, is characterized in that, each described gate member comprises respectively:
Flashboard (21), it is parallel type Single disc, which is provided with pod apertures;
Valve rod (22), itself and described flashboard (21) are threaded connection and are fixed by bearing pin (221), and described valve gap (4) is set in this valve rod (22) outward.
3. submarine pipeline duplex gate valve as claimed in claim 2, is characterized in that, each the first described black box comprises respectively:
Upper valve body mends core (311), it is positioned between described gate valve chamber with corresponding flashboard (21) upper end, and be provided with the first lip-type packing (11) between this upper valve body benefit core (311) and described gate valve cavity wall, this upper valve body is mended between core (311) and described flashboard (21) upper end and is provided with upper valve base (321), and described upper valve base (321) and upper valve body are mended between core (311) and be provided with the first polytetrafluoroethylsealed sealed circle (3111);
Lower valve body mends core (312), it is positioned between described gate valve chamber with corresponding flashboard (21) lower end, and be provided with the second lip-type packing between this lower valve body benefit core (312) and described gate valve cavity wall, this lower valve body is mended between core (312) and described flashboard (21) lower end and is provided with lower valve base (322), and described lower valve base (322) and lower valve body are mended between core (312) and be provided with the second polytetrafluoroethylsealed sealed circle;
Upper backup pad (331), it is arranged on described upper valve base (321) with between corresponding valve gap (4);
Lower supporting plate (332), it is arranged between described lower valve base (322) and corresponding gate valve chamber bottom interior wall.
4. submarine pipeline duplex gate valve as claimed in claim 3, is characterized in that:
Each the second described black box lays respectively between corresponding valve rod (22) and valve gap (4), it is the ring structure of the band Multi-point sealing function of material filling type, and it comprises the 3rd lip-type packing (51), metal spacer ring (52), V-shaped seal ring (53) and Gland (54).
5. submarine pipeline duplex gate valve as claimed in claim 4, is characterized in that:
Described valve body (1), valve gap (4) are gone up and medium contact position equal built-up welding corrosion resistant alloy Inconel625;
Described benefit core of valve body up and down (311,312), upper and lower support plate (331,332), upper lower valve base (321,322), valve rod (22), flashboard (21) all adopt cast-in-block Inconel625 alloy material.
6. submarine pipeline duplex gate valve as claimed in claim 1, is characterized in that:
Each described valve gap (4) is connected with stud (42) is corresponding with described valve body (1) respectively by band cap nut (41), be provided with O RunddichtringO (44) between described band cap nut (41) and valve gap (4), between the surface of contact of valve body (1) and valve gap (4), be provided with the 4th lip-type packing (43).
7. submarine pipeline duplex gate valve as claimed in claim 1, is characterized in that, also comprise:
Pair of brackets (6), it is connected respectively described each valve gap (4).
CN201520909665.4U 2015-11-16 2015-11-16 Submarine pipeline pair gate valve Expired - Fee Related CN205173525U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520909665.4U CN205173525U (en) 2015-11-16 2015-11-16 Submarine pipeline pair gate valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520909665.4U CN205173525U (en) 2015-11-16 2015-11-16 Submarine pipeline pair gate valve

Publications (1)

Publication Number Publication Date
CN205173525U true CN205173525U (en) 2016-04-20

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ID=55737519

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520909665.4U Expired - Fee Related CN205173525U (en) 2015-11-16 2015-11-16 Submarine pipeline pair gate valve

Country Status (1)

Country Link
CN (1) CN205173525U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108167518A (en) * 2016-12-07 2018-06-15 西门子公司 Sub-sea valve position indicator
CN108413079A (en) * 2018-05-25 2018-08-17 江苏天域阀业制造有限公司 A kind of valve playing cushioning effect by structure of avoiding the peak hour
CN110630762A (en) * 2019-10-17 2019-12-31 刘伟 High-pressure duplex flat gate valve
CN112576773A (en) * 2020-11-18 2021-03-30 浙江鸣一阀门科技有限公司 Back-blowing duplex gate valve

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108167518A (en) * 2016-12-07 2018-06-15 西门子公司 Sub-sea valve position indicator
CN108413079A (en) * 2018-05-25 2018-08-17 江苏天域阀业制造有限公司 A kind of valve playing cushioning effect by structure of avoiding the peak hour
CN110630762A (en) * 2019-10-17 2019-12-31 刘伟 High-pressure duplex flat gate valve
CN112576773A (en) * 2020-11-18 2021-03-30 浙江鸣一阀门科技有限公司 Back-blowing duplex gate valve

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160420

Termination date: 20171116

CF01 Termination of patent right due to non-payment of annual fee