CN203948829U - A kind of pressure sealing flange seal clip - Google Patents

A kind of pressure sealing flange seal clip Download PDF

Info

Publication number
CN203948829U
CN203948829U CN201320746428.1U CN201320746428U CN203948829U CN 203948829 U CN203948829 U CN 203948829U CN 201320746428 U CN201320746428 U CN 201320746428U CN 203948829 U CN203948829 U CN 203948829U
Authority
CN
China
Prior art keywords
ring
clip
hole
flange
injecting glue
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
CN201320746428.1U
Other languages
Chinese (zh)
Inventor
曾志强
杨军
尤胜杰
王奎举
肖见
张建国
朱峰
佟娟
李永忠
叶斯哈纳·叶尔哈力
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.)
China Petroleum and Natural Gas Co Ltd
Original Assignee
China Petroleum and Natural Gas 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 China Petroleum and Natural Gas Co Ltd filed Critical China Petroleum and Natural Gas Co Ltd
Priority to CN201320746428.1U priority Critical patent/CN203948829U/en
Application granted granted Critical
Publication of CN203948829U publication Critical patent/CN203948829U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

A pressure sealing flange seal clip, belongs to seal arrangement technical field.Clip is divided into left semi-ring, right semi-ring, and left semi-ring, right semi-ring have respectively hole for injecting glue, ear shape fixed plate, fixed bolt hole and seal ring draw-in groove, hole for injecting glue sealing bolt connection glue injection hole, and clip fixing bolt connects left semi-ring, right semi-ring.The utility model does not need to change flange and the steel ring that thorn leaks, and can leak flange to thorn and carry out injecting glue shutoff with pressure.

Description

A kind of pressure sealing flange seal clip
Technical field
The utility model relates to a kind of pressure sealing flange seal clip, belongs to seal arrangement technical field.
Background technique
Current oil field high pressure pipe line adopts high pressure flange to be connected with oil well production tree more, high pressure flange adopts steel ring to seal, when there is thorn leakage in steel ring sealing, just need to change steel ring or flange, and flange in high pressure pipe line and production tree need to be stopped using pipeline while changing, oil well stops production, stopping production can cause a large amount of economic losses, especially steam injection well and the gas production of viscous crude, once will stop production, will carry out kill job, can cause very serious infringement to oil-well strata, when serious, can cause oil well to scrap, injecting-steam viscous crude oil well particularly, because shaft bottom oil reservoir is through the long-term high temperature and high pressure steam that injects, cause oil reservoir High Temperature High Pressure, so just can not carry out at once kill job, need long-time discharge opeing decrease temperature and pressure, so just production well is around caused to serious impact, high pressure pipe line and oil well production tree conventional method in normal productive process cannot be changed, need to adopt Operating Pressure to carry out the replacing of valve or steel ring, valve replace with pressure operation technique is complicated, need special equipment and construction team to change, cost is high, activity duration is long, can not adapt to the oil field emergency operation of speedily carrying out rescue work.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides a kind of pressure sealing flange seal clip.
A kind of pressure sealing flange seal clip, clip is divided into left semi-ring, right semi-ring, left semi-ring, right semi-ring have respectively hole for injecting glue, ear shape fixed plate, fixed bolt hole and seal ring, hole for injecting glue sealing bolt connection glue injection hole, and clip fixing bolt connects left semi-ring, right semi-ring.
Clip of the present utility model is two semi-circular structure, there is ear shape fixed plate at two ends, on ear shape fixed plate, there is fixed bolt hole, clip fixing bolt is fixed by fixed bolt hole, there is annular seal ring draw-in groove the inner both sides of clip, in draw-in groove, can add according to the decentraction situation of the gap of flange and clip or two side flanges the flexible metal sealing washer of different-diameter, by clip fixing bolt, flexible metal sealing washer extruding is produced to deformation, reach the ring surface of sealing clamp and flange, clip is uniformly distributed with hole for injecting glue along the circumference, by hole for injecting glue sealing bolt, carry out shutoff, flexible metal sealing washer is pressed on by clip fixing bolt on the ring surface of flange when clip after, by hole for injecting glue, between two flanges, squeeze sealer, by sealer shutoff flange steel circle thorn, leak.
The utility model does not need to change flange and the steel ring that thorn leaks, and can leak flange to thorn and carry out injecting glue shutoff with pressure.
The utility model has seal ring draw-in groove, can add according to the decentraction situation of the gap of flange and clip or two side flanges the flexible metal sealing washer of different-diameter, improve clip and flange size deviation or two side flanges are installed to the adaptability of decentraction situation, can prevent the leakage of sealer.
The effect of invention:
The utility model does not need to change flange and the steel ring that thorn leaks, and can leak flange to thorn and carry out injecting glue shutoff with pressure.The utility model has seal ring draw-in groove, can add according to the decentraction situation of the gap of flange and clip or two side flanges the flexible metal sealing washer of different-diameter, improve clip and flange size deviation or two side flanges are installed to the adaptability of decentraction situation, can prevent the leakage of sealer.When pipeline or the leakage of production tree high pressure flange generation thorn, select the flexible metal sealing washer of suitable diameter, embed in the seal ring draw-in groove of clip, clip is leaked on flange in thorn by bolton, utilize high-pressure injection plastic rifle toward the inner squeezing of clip sealer, by sealer, thorn is leaked to position and carry out shutoff, the utility model squeezes sealer by hole for injecting glue between two flanges, by sealer shutoff flange steel circle thorn, leak, the utility model does not need to adopt cost high, and the flange of the replace with pressure of wasting time and energy and the operational method of steel ring, do not need professional construction troop, by site operation personnel, just can leak flange to thorn and carry out injecting glue shutoff with pressure, rapid and convenient, and can effectively avoid the long-time stopping production of oil well and pipeline, can avoid oil well to cause the severe contamination of oil-well strata because of kill job.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, by the detailed description with reference to below, can more completely understand better the utility model and easily learn wherein many advantages of following, but accompanying drawing described herein is used to provide further understanding of the present utility model, form a part of the present utility model, schematic description and description of the present utility model is used for explaining the utility model, does not form to improper restriction of the present utility model, wherein:
Fig. 1 is structural representation of the present utility model.
Fig. 2 is yoke configurations schematic diagram of the present utility model.
Fig. 3 is clip side structure schematic diagram of the present utility model.
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Embodiment
Obviously, the many modifications and variations that those skilled in the art do based on aim of the present utility model belong to protection domain of the present utility model.
Embodiment 1: as shown in Figure 1, Figure 2, Figure 3 shows, a kind of pressure sealing flange seal clip, clip 1 is divided into left semi-ring, right semi-ring, left semi-ring, right semi-ring have respectively hole for injecting glue 3, ear shape fixed plate 5, fixed bolt hole 6 and seal ring draw-in groove 7, hole for injecting glue sealing bolt 2 connection glue injection holes 3, clip fixing bolt 4 connects left semi-ring, right semi-ring.
Embodiment 2: a kind of pressure sealing flange seal clip as shown in Figure 1, Figure 2, Figure 3 shows, mainly by two semicircle clips 1, formed, there is ear shape fixed plate 5 at clip 1 two ends, on ear shape fixed plate 5, there is fixed bolt hole 6, by fixed bolt hole 6, two semicircle clips 1 are fixed on to oil well production tree flange or high-pressure pipeline flange thorn leak.
On clip 1, have hole for injecting glue 3, hole for injecting glue 3 has been threaded connection hole for injecting glue sealing bolt 2, during note sealer, loosen whole hole for injecting glue sealing bolts 2, pull down a hole for injecting glue sealing bolt 2, with high-pressure injection plastic rifle, carry out injecting glue, after injecting glue, all hole for injecting glue sealing bolts 2 are all tightened, utilize hole for injecting glue sealing bolt 2 again by sealer extruding, improve sealing effect.
Clip 1 inside has seal ring draw-in groove 7, and the interior flexible metal sealing washer that different-diameter can be installed of seal ring draw-in groove 7 adapts to high pressure flange size disunity or steel ring two side flange decentraction, improves clip sealability, prevents the leakage of sealer.
The utility model, applicable to various high low pressure crude oil pipeline flanges, high pressure steam tube method orchid, steam injection well and the leak stopping of speedily carrying out rescue work with pressure of oil recovery well production tree high pressure flange, can carry out operation in pipeline and oil well without stop product situation.
The utility model clip 1 is fixed on flange thorn leak by fixing bolt 4, according to the suitable sealer of leaking medium different choice, can shutoff be no more than crude oil or the leakage of steam thorn of 350 ℃.
As mentioned above, embodiment of the present utility model is explained, but as long as not departing from fact inventive point of the present utility model and effect can have a lot of distortion, this will be readily apparent to persons skilled in the art.Therefore, within such variation is also all included in protection domain of the present utility model.

Claims (1)

1. a pressure sealing flange seal clip, it is characterized in that clip is divided into left semi-ring, right semi-ring, left semi-ring, right semi-ring have respectively hole for injecting glue, ear shape fixed plate, fixed bolt hole and seal ring draw-in groove, hole for injecting glue sealing bolt connection glue injection hole, clip fixing bolt connects left semi-ring, right semi-ring.
CN201320746428.1U 2013-11-22 2013-11-22 A kind of pressure sealing flange seal clip Expired - Fee Related CN203948829U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320746428.1U CN203948829U (en) 2013-11-22 2013-11-22 A kind of pressure sealing flange seal clip

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320746428.1U CN203948829U (en) 2013-11-22 2013-11-22 A kind of pressure sealing flange seal clip

Publications (1)

Publication Number Publication Date
CN203948829U true CN203948829U (en) 2014-11-19

Family

ID=51890865

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320746428.1U Expired - Fee Related CN203948829U (en) 2013-11-22 2013-11-22 A kind of pressure sealing flange seal clip

Country Status (1)

Country Link
CN (1) CN203948829U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108868666A (en) * 2018-05-08 2018-11-23 大庆市金顺机械设备修理有限公司 Water injection well producing well pipeline pressurized leak stopping sealing and reinforcing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108868666A (en) * 2018-05-08 2018-11-23 大庆市金顺机械设备修理有限公司 Water injection well producing well pipeline pressurized leak stopping sealing and reinforcing device

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
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: 20141119

Termination date: 20211122