CN117927767A - Petroleum pipeline connecting device with automatic pressure relief function - Google Patents

Petroleum pipeline connecting device with automatic pressure relief function Download PDF

Info

Publication number
CN117927767A
CN117927767A CN202311783677.2A CN202311783677A CN117927767A CN 117927767 A CN117927767 A CN 117927767A CN 202311783677 A CN202311783677 A CN 202311783677A CN 117927767 A CN117927767 A CN 117927767A
Authority
CN
China
Prior art keywords
pressure
fixedly connected
pressure release
pipeline
compression spring
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.)
Pending
Application number
CN202311783677.2A
Other languages
Chinese (zh)
Inventor
张小亚
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.)
Nantong Youshi New Materials Co ltd
Original Assignee
Nantong Youshi New Materials 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 Nantong Youshi New Materials Co ltd filed Critical Nantong Youshi New Materials Co ltd
Priority to CN202311783677.2A priority Critical patent/CN117927767A/en
Publication of CN117927767A publication Critical patent/CN117927767A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L53/00Heating of pipes or pipe systems; Cooling of pipes or pipe systems
    • F16L53/70Cooling of pipes or pipe systems
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)

Abstract

The invention discloses a petroleum pipeline connecting device with an automatic pressure relief function, which comprises a connecting box body, wherein an input pipeline is arranged at the top of the connecting box body and fixedly connected with the connecting box body, the input pipeline penetrates through the connecting box body into the box, the input pipeline is connected with the connecting device, the connecting device comprises a connecting unit, a power unit and a pressure relief unit, the connecting unit comprises a pressure relief valve, the top of the pressure relief valve is connected with the input pipeline, an input channel is arranged at the joint of the pressure relief valve and the input pipeline, a compression spring I is arranged at the bottom of the input channel, and a blocking ball I is arranged at the top of the compression spring I. This petroleum pipeline connecting device with automatic pressure release function can utilize the gravity of oil self and the pressure that oil collision rocked through being provided with the connecting unit to make the mediation pipeline open by oneself to avoided the design that needs automatic the opening mediation pipeline under specific pressure, alleviateed the required labour consumption of manual monitoring, improved the efficiency of oil input.

Description

Petroleum pipeline connecting device with automatic pressure relief function
Technical Field
The invention relates to the technical field of petroleum pipeline connecting devices, in particular to a petroleum pipeline connecting device with an automatic pressure relief function.
Background
In order to facilitate the oil transportation in petrochemical industry, the transportation is generally realized by paving an oil pipeline. When in transportation, the volume of liquid oil products in the oil delivery pipeline in petroleum and chemical industries is increased due to the temperature rise, so that the pressure in the oil delivery pipeline is increased, the pressure in the part is required to be safely recovered at the moment, and the pressure is released again after the temperature is reduced.
For this case, measures such as manual extra-discharge pressure or pressure release by a branch are generally adopted. However, by adopting a manual discharging and pressure releasing mode, operators are required to detect the pipeline pressure at any time, the labor intensity is increased, and the working efficiency is low; and the pressure is released through the branch, so that the pressure of the main pipeline cannot be released due to the fact that part of the pipeline does not have the branch.
The prior art is generally provided with a self-adaptive pressure relief device for solving the problems, the pressure in the oil transportation main pipeline is released and stored in the pressure relief device through the compressibility of gas in the pressure relief device, when the environment temperature is reduced, the volume of a medium in the oil transportation main pipeline is restored to be stable, the pressure is reduced, the pressure stored in the pressure relief device is further released into the oil transportation main pipeline in a reverse direction, and then the medium is returned to the oil transportation main pipeline, so that the effective release of the pressure in the oil transportation pipeline is realized, and the overpressure is avoided; because the equipment main body adopts a seamless steel pipe, the device achieves a closed structure, and the medium does not need to be discharged outwards, so that zero discharge is realized, and volatile organic compounds are not generated; because the equipment main part can realize the pressure storage when the oil transportation trunk line is risen, the pressure release when the oil transportation trunk line is risen, therefore the device has self-adaptation pressure balance function, has saved manual operation cost, has improved work efficiency.
The prior art has the following problems:
when the pressure of the main pipeline of oil transportation is overlarge, corresponding dredging equipment is required to be arranged in the main pipeline, the pressure relief device used in the prior art can only be used for storage, the dredging pipeline cannot be automatically opened under specific pressure, and the auxiliary pipeline can be opened only by arranging an electric valve for manual observation, so that a large amount of manual operation is required to be consumed for corresponding observation when the length of the main pipeline of oil transportation is overlong, and the oil transportation efficiency is greatly reduced.
Disclosure of Invention
The invention aims to provide a petroleum pipeline connecting device with an automatic pressure relief function, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a petroleum pipeline connecting device with automatic pressure release function, includes the connection box body, connection box body top is equipped with input pipeline, input pipeline and connection box body fixed connection, input pipeline through connection box body to incasement, input pipeline one end is connected with a connecting device, connecting device includes connecting unit, power unit and pressure release unit, connecting unit and connecting device fixed connection, power unit and pressure release unit just with connecting unit sliding connection power unit and pressure release unit fixed connection, the connecting unit includes the relief valve, the relief valve top is connected with input pipeline, be equipped with the input channel with the input pipeline junction in the relief valve, the input channel bottom is equipped with compression spring one, compression spring one top is equipped with the jam ball one.
According to the technical scheme, the first compression spring is fixedly connected with the pressure release valve, the first compression spring is fixedly connected with the first blocking ball, the first blocking ball is in sliding connection with the pressure release valve, when oil products enter the connecting box body from the input pipeline, after the oil products enter the input channel because the input pipeline is fixedly connected with the pressure release valve, the first compression spring is compressed because of the gravity of the oil products and the pressure generated by collision and shaking of the oil products, and accordingly the first compression spring drives the first blocking ball to descend.
According to the technical scheme, input channel one side is equipped with the pressure release unit, the pressure release unit includes the reposition of redundant personnel passageway, the reposition of redundant personnel passageway other end is equipped with the pressure release chamber, reposition of redundant personnel passageway and pressure release chamber are all in the relief valve, just the reposition of redundant personnel passageway is located one initial position below of jam ball, and above-mentioned well oil article is because self gravity and collision shake the pressure that produces makes compression spring one compress, and jam ball decline then to the reposition of redundant personnel passageway is direct to be connected with input channel, thereby in the oil of some gets into the pressure release chamber through input channel, reposition of redundant personnel passageway, thereby the oil pressure in the input channel correspondingly reduces, so the temperature rises slowly.
According to the technical scheme, the pressure sliding seat is arranged in the pressure release cavity, the through pipe is arranged in the pressure sliding seat, the second blocking ball is arranged in the through pipe, and the second compression spring is arranged on one side of the second blocking ball.
According to the technical scheme, pressure slide and pressure release chamber sliding connection, siphunculus and pressure slide fixed connection, siphunculus and two sliding connection of jam ball, two fixed connection of jam ball and compression spring, two other ends of compression spring and siphunculus one end fixed connection, after some oil got into the pressure release chamber, when the oil that the input pipeline got into is more, then get into the partial oil more in the pressure release chamber to the pressure that produces makes pressure slide, thereby pressure slide slides left at the pressure release chamber, and the oil that the siphunculus got into in the pressure slide is also more and more, and in the same way, the jam ball in the siphunculus received pressure and moved right, thereby compression spring two moves right.
According to the technical scheme, in order to enable the oil in the siphunculus to be dredged, thereby alleviate the oil pressure in the input pipeline, and the pressure with part oil obtains preserving, be equipped with the breach on the siphunculus, the breach is located two initial positions left sides of jam ball, just the pressure release chamber top is equipped with the shunt tubes, shunt tubes and pressure release chamber fixed connection, shunt tubes other end fixedly connected with pressure device, part oil gets into pressure device through the shunt tubes in, through pressure device to the storage, pressurization or the decompression etc. of pressure, when the temperature reduces in the input pipeline, carries out the pressure release again, thereby balanced oil pressure in the input pipeline.
According to the technical scheme, in order to avoid leakage in the oil product input process, sealing elements (5) are arranged at the joints of the shunt tubes (408) and the input pipelines (2) and the pressure release valve (301)
According to the technical scheme, the power unit comprises a sliding block, sliding block one end and pressure slide seat fixed connection, sliding block other end fixedly connected with fixed column, fixed mounting has the arc connecting block on the fixed column, the arc connecting block is located between two connecting pieces, two connecting pieces and arc connecting block fixed connection, and two connecting pieces and a pull rod fixed connection, when need divide the oil in advance, then through breaking the pull rod, the pressure slide seat changes the position to after pressure slide seat and siphunculus internal pressure disappear, because compression spring two pulls the arc connecting block, thereby make the power unit get back to initial position automatically
According to the technical scheme, input channel one side is connected with a pressure unit through the pipeline, the pressure unit includes the pressure valve body, pressure valve body top fixedly connected with pan feeding mouth and discharge gate respectively, just be equipped with in the pressure valve body and rotate the disc, it is connected with the pressure valve body rotation to rotate the disc, it is equipped with the dwang to rotate the disc both sides, two the dwang passes through spring fixed connection.
Compared with the prior art, the invention has the following beneficial effects:
1. According to the invention, the connecting unit is arranged, so that the dredging pipeline can be automatically opened by utilizing the gravity of the oil product and the pressure of oil product collision shaking, thereby avoiding the design of automatically opening the dredging pipeline under specific pressure, reducing the labor consumption required by manual monitoring and improving the efficiency of oil product input.
2. According to the invention, the pressure relief unit is arranged, so that the condition that the pressure in the oil conveying pipeline rises due to the increase of the volume of the oil product caused by the rise of the temperature is avoided, the rise of the temperature is slow, the pressure of the oil product in the input pipeline is relieved, and the aim of preserving part of the pressure of the oil product is fulfilled.
3. According to the invention, the pressure release unit and the power unit are arranged, so that when the temperature in the input pipeline is reduced, the pressure release can be performed again, and when the pressure in the input pipeline is reduced, the oil pressure in the input pipeline is balanced, so that the dynamic balance of the pressure is formed.
4. According to the invention, the pressure unit is arranged to control and lubricate the oil way, so that the pressure in the oil product can be balanced again by filling the valve body with the oil product, and the oil product can be automatically output into other devices by utilizing the extrusion and gravity of the oil product.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of the overall perspective of the present invention;
FIG. 2 is a schematic overall elevational view of the present invention;
FIG. 3 is an enlarged perspective view of the interior of the relief valve of the present invention;
FIG. 4 is a schematic diagram of the structure of the internal elevation of the pressure relief valve of the present invention;
FIG. 5 is a schematic view of the overall perspective of the pressure cell of the present invention;
fig. 6 is an enlarged schematic view of the entire internal structure of the pressure unit of the present invention.
In the figure: 1. a connecting box body; 2. an input pipe; 301. a pressure release valve; 302. an input channel; 303. compressing a first spring; 304. a first blocking ball; 401. a shunt channel; 402. a pressure relief cavity; 403. a pressure slide; 404. a through pipe; 405. a second blocking ball; 406. compression spring II; 407. a notch; 408. a shunt; 409. a pressure device; 5. a seal; 601. a sliding block; 602. fixing the column; 603. an arc-shaped connecting block; 604. a connecting piece; 605. a pull rod; 701. a pressure valve body; 702. a feed inlet; 703. a discharge port; 704. rotating the disc; 705. a rotating lever; 706. and (3) a spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides the following technical solutions: the utility model provides a petroleum pipeline connecting device with automatic pressure release function, including connection box body 1, connection box body 1 top is equipped with input pipeline 2, input pipeline 2 and connection box body 1 fixed connection, input pipeline 2 runs through connection box body 1 to incasement, input pipeline 2 one end is connected with a connecting device, connecting device includes the connecting unit, power unit and pressure release unit, connecting unit and connecting device fixed connection, power unit and pressure release unit and connecting unit sliding connection, and power unit and pressure release unit fixed connection, the connecting unit includes relief valve 301, the relief valve 301 top is connected with input pipeline 2, be equipped with input channel 302 with input pipeline 2 junction in the relief valve 301, the input channel 302 bottom is equipped with compression spring one 303, compression spring one 303 top is equipped with the jam ball one 304.
The compression spring I303 is fixedly connected with the pressure release valve 301, the compression spring I303 is fixedly connected with the blocking ball I304, and the blocking ball I304 is in sliding connection with the pressure release valve 301. Specifically, when the oil product enters the connecting box body 1 from the input pipeline 2, the oil product enters the input channel 302 because the input pipeline 2 is fixedly connected with the pressure release valve 301, and the compression spring 303 is compressed due to the gravity of the oil product and the pressure generated by collision and shaking of the oil product, so that the compression spring 303 drives the blocking ball 304 to descend.
The pressure release unit is arranged on one side of the input channel 302, the pressure release unit comprises a shunt channel 401, a pressure release cavity 402 is arranged at the other end of the shunt channel 401, the shunt channel 401 and the pressure release cavity 402 are both arranged in the pressure release valve 301, and the shunt channel 401 is positioned below the initial position of the first blocking ball 304. In particular, the pressure generated by self gravity and collision shaking of the medium oil product causes the compression spring one 303 to compress, and then the blocking ball one 304 descends, so that the diversion channel 401 is directly connected with the input channel 302, and a part of the oil product enters the pressure release cavity 402 through the input channel 302 and the diversion channel 401, so that the pressure of the oil product in the input channel 302 is correspondingly reduced, and the temperature rises slowly.
The pressure release cavity 402 is internally provided with a pressure slide seat 403, the pressure slide seat 403 is internally provided with a through pipe 404, the through pipe 404 is internally provided with a second blocking ball 405, and one side of the second blocking ball 405 is provided with a second compression spring 406.
The pressure slide seat 403 is in sliding connection with the pressure release cavity 402, the through pipe 404 is fixedly connected with the pressure slide seat 403, the through pipe 404 is in sliding connection with the second blocking ball 405, the second blocking ball 405 is fixedly connected with the second compression spring 406, and the other end of the second compression spring 406 is fixedly connected with one end of the through pipe 404. Specifically, after a part of oil enters the pressure release cavity 402, when the more oil enters the input pipeline 2, the more part of oil enters the pressure release cavity 402, so that the generated pressure makes the pressure slide seat 403, the pressure slide seat 403 slide leftwards in the pressure release cavity 402, and the more oil enters the through pipe 404 in the pressure slide seat 403, and similarly, the second blocking ball 405 in the through pipe 404 receives the pressure to move rightwards, so that the second compression spring 406 moves rightwards.
In order to enable the oil in the through pipe 404 to be dredged, thereby alleviate the oil pressure in the input pipeline 2, and the pressure of part oil is preserved, be equipped with breach 407 on the through pipe 404, breach 407 is located the left side of the initial position of the jam ball two 405, and pressure release chamber 402 top is equipped with shunt tubes 408, shunt tubes 408 and pressure release chamber 402 fixed connection, shunt tubes 408 other end fixedly connected with pressure device 409. Specifically, a part of the oil enters the pressure device 409 through the shunt tube 408, and when the temperature in the input pipe 2 decreases, the pressure is released again by storing, pressurizing or depressurizing the pressure by the pressure device 409, so as to balance the pressure of the oil in the input pipe 2.
In order to avoid leakage in the oil product input process, the junction of the shunt tube 408 and the input pipeline 2 and the pressure release valve 301 is provided with a sealing element 5.
The power unit includes sliding block 601, sliding block 601 one end and pressure slide 403 fixed connection, sliding block 601 other end fixedly connected with fixed column 602, fixed mounting has arc connecting block 603 on the fixed column 602, and arc connecting block 603 is located between two connecting pieces 604, two connecting pieces 604 and arc connecting block 603 fixed connection, and two connecting pieces 604 and a pull rod 605 fixed connection. In particular, when the oil needs to be split in advance, the pull rod 605 is pulled to change the position of the pressure sliding seat 403, and after the pressure in the pressure sliding seat 403 and the through pipe 404 disappears, the compression spring two 406 pulls the arc-shaped connecting block 603, so that the power unit automatically returns to the initial position.
One side of the input channel 302 is connected with a pressure unit through a pipeline, the pressure unit comprises a pressure valve body 701, the top of the pressure valve body 701 is fixedly connected with a feed inlet 702 and a discharge outlet 703 respectively, a rotating disc 704 is arranged in the pressure valve body 701, the rotating disc 704 is rotationally connected with the pressure valve body 701, rotating rods 705 are arranged on two sides of the rotating disc 704, and the two rotating rods 705 are fixedly connected through springs 706.
The working principle of the petroleum pipeline connecting device with the automatic pressure relief function is specifically described below.
When in use, the utility model is characterized in that: after an oil product enters the connecting box body 1 from the input pipeline 2, the oil product enters the input channel 302 because the input pipeline 2 is fixedly connected with the pressure release valve 301, the pressure generated by collision and shaking of the oil product and the gravity of the oil product causes the compression spring I303 to compress, the compression spring I303 drives the blocking ball I304 to descend, the blocking ball I304 descends, the split flow channel 401 is directly connected with the input channel 302, a part of the oil product enters the pressure release cavity 402 through the input channel 302 and the split flow channel 401, the pressure of the oil product in the input channel 302 is correspondingly reduced, the temperature rises slowly, after a part of the oil product enters the pressure release cavity 402, the more part of the oil product enters the pressure release cavity 402 when the part of the oil product enters the pressure release cavity 2, the more part of the oil product enters the pressure release cavity 402, the generated pressure slide 403 slides leftwards in the pressure release cavity 402, and the blocking ball II 405 in the pressure slide 403 moves rightwards, the compression spring II 406 moves rightwards when the part of the oil product enters the pressure release cavity 408 through the pressure release device 409, the pressure release device is balanced, the pressure release device is used for releasing the pressure in the pressure release cavity 2, and the like.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (1)

1. Petroleum pipeline connecting device with automatic pressure release function, including connection box body (1), its characterized in that: the top of the connecting box body (1) is provided with an input pipeline (2), the input pipeline (2) is fixedly connected with the connecting box body (1), the input pipeline (2) penetrates through the connecting box body (1) to the inside of the box, and one end of the input pipeline (2) is connected with a connecting device;
The connecting device comprises a connecting unit, a power unit and a pressure relief unit, wherein the connecting unit is fixedly connected with the connecting device, the power unit and the pressure relief unit are in sliding connection with the connecting unit, and the power unit is fixedly connected with the pressure relief unit;
The connecting unit comprises a pressure release valve (301), the top of the pressure release valve (301) is connected with an input pipeline (2), an input channel (302) is arranged at the joint of the pressure release valve (301) and the input pipeline (2), a compression spring I (303) is arranged at the bottom of the input channel (302), and a blocking ball I (304) is arranged at the top of the compression spring I (303);
The pressure release unit comprises a shunt channel (401), the other end of the shunt channel (401) is provided with a pressure release cavity (402), the shunt channel (401) and the pressure release cavity (402) are both arranged in a pressure release valve (301), the shunt channel (401) is positioned below the initial position of a first blocking ball (304), a pressure slide seat (403) is arranged in the pressure release cavity (402), a through pipe (404) is arranged in the pressure slide seat (403), a second blocking ball (405) is arranged in the through pipe (404), one side of the second blocking ball (405) is provided with a second compression spring (406), the pressure slide seat (403) is in sliding connection with the pressure release cavity (402), the through pipe (404) is fixedly connected with the second blocking ball (405), the second blocking ball (405) is fixedly connected with the second compression spring (406), the other end of the compression spring (406) is fixedly connected with one end of the through pipe (404), a notch (407) is arranged on the through pipe (404), the second blocking ball (405) is arranged on one side of the compression spring, the second blocking ball (403) is fixedly connected with the top of the pressure release cavity (402), the first blocking ball (408) is fixedly connected with the top of the pressure release cavity (402), the other end of the shunt tube (408) is fixedly connected with a pressure device (409);
The power unit comprises a sliding block (601), one end of the sliding block (601) is fixedly connected with a pressure sliding seat (403), the other end of the sliding block (601) is fixedly connected with a fixed column (602), an arc-shaped connecting block (603) is fixedly installed on the fixed column (602), the arc-shaped connecting block (603) is located between two connecting pieces (604), the two connecting pieces (604) are fixedly connected with the arc-shaped connecting block (603), and the two connecting pieces (604) are fixedly connected with a pull rod (605);
the first compression spring (303) is fixedly connected with the pressure release valve (301), the first compression spring (303) is fixedly connected with the first blocking ball (304), and the first blocking ball (304) is in sliding connection with the pressure release valve (301);
One side of the input channel (302) is connected with a pressure unit through a pipeline, the pressure unit comprises a pressure valve body (701), a feed inlet (702) and a discharge outlet (703) are fixedly connected to the top of the pressure valve body (701), a rotating disc (704) is arranged in the pressure valve body (701), the rotating disc (704) is rotationally connected with the pressure valve body (701), rotating rods (705) are arranged on two sides of the rotating disc (704), and the two rotating rods (705) are fixedly connected through springs (706).
CN202311783677.2A 2023-04-04 2023-04-04 Petroleum pipeline connecting device with automatic pressure relief function Pending CN117927767A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311783677.2A CN117927767A (en) 2023-04-04 2023-04-04 Petroleum pipeline connecting device with automatic pressure relief function

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202311783677.2A CN117927767A (en) 2023-04-04 2023-04-04 Petroleum pipeline connecting device with automatic pressure relief function
CN202310352292.4A CN116608356B (en) 2023-04-04 2023-04-04 Petroleum pipeline connecting device with automatic pressure relief function

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN202310352292.4A Division CN116608356B (en) 2023-04-04 2023-04-04 Petroleum pipeline connecting device with automatic pressure relief function

Publications (1)

Publication Number Publication Date
CN117927767A true CN117927767A (en) 2024-04-26

Family

ID=87678860

Family Applications (2)

Application Number Title Priority Date Filing Date
CN202310352292.4A Active CN116608356B (en) 2023-04-04 2023-04-04 Petroleum pipeline connecting device with automatic pressure relief function
CN202311783677.2A Pending CN117927767A (en) 2023-04-04 2023-04-04 Petroleum pipeline connecting device with automatic pressure relief function

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN202310352292.4A Active CN116608356B (en) 2023-04-04 2023-04-04 Petroleum pipeline connecting device with automatic pressure relief function

Country Status (1)

Country Link
CN (2) CN116608356B (en)

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3537476A (en) * 1968-11-29 1970-11-03 Aeroquip Corp Fluid coupling connectable under high pressure
CA1017651A (en) * 1974-05-24 1977-09-20 Grove Valve And Regulator Company Pressure surge relief system
US5632297A (en) * 1995-09-26 1997-05-27 Amcast Industrial Corporation Piston-type thermally or pressure activated relief device
JP2003322266A (en) * 2002-05-09 2003-11-14 Toyota Motor Corp Pressure regulating valve
US6966343B1 (en) * 2005-04-11 2005-11-22 William Field Pipe plug
CN101865314B (en) * 2010-03-04 2011-11-30 卓旦春 Temperature-control balancing valve
JP5708515B2 (en) * 2012-01-31 2015-04-30 株式会社デンソー Check valve
JP6116314B2 (en) * 2013-03-27 2017-04-19 大阪瓦斯株式会社 Seal unit, unit structure, and gas stopper
EP2876338B1 (en) * 2013-11-21 2016-03-30 Western Global Holdings Limited Check valve with back pressure relief
CN105952722B (en) * 2016-06-30 2017-09-29 江苏金荣森制冷科技有限公司 The method of work of the hydraulic pressure heat-exchanger rig of hydraulic pressure bypass with piston type relief valve
DE202019001248U1 (en) * 2019-03-15 2020-06-19 Gebr. Kemper Gmbh + Co. Kg Device for relieving the pressure of a water system and connection module with such a device
CN210738974U (en) * 2019-09-16 2020-06-12 杭州全洲机械有限公司 Overflow valve of difficult leakage
CN211779212U (en) * 2019-12-19 2020-10-27 李金亮 Safety pressure relief valve
CN211901706U (en) * 2020-01-04 2020-11-10 浙江博盾水暖有限公司 Guide overflow valve
CN213333053U (en) * 2020-10-24 2021-06-01 王金波 Pressure relief device for pressure pipeline
CN213872227U (en) * 2020-11-27 2021-08-03 北京中科原创节能环保科技有限公司 Fluid pressure balancing system

Also Published As

Publication number Publication date
CN116608356B (en) 2024-05-14
CN116608356A (en) 2023-08-18

Similar Documents

Publication Publication Date Title
CN108868793B (en) Shield constructs owner and drives high-pressure sealing system and slurry balance shield constructs machine
CN116608356B (en) Petroleum pipeline connecting device with automatic pressure relief function
CN204114261U (en) High-pressure gas Relief Valves over Long DistancePipeline
EP2226546A1 (en) Hydraulic plugging machine for interventions of installation, repair, maintenance on pressure fluids supply piping
CN104329567B (en) Pressure relief system for long-distance pipeline
CN213333053U (en) Pressure relief device for pressure pipeline
US3081974A (en) Sealing means for gate valves
CN202167820U (en) Hydraulic control cable seal head
CN217108359U (en) Pressure relief device for pressure pipeline
CN215981113U (en) Bellows stop valve with leak protection detects function
CN206468975U (en) A kind of auto-pushing type metallic bellow expander
CN106641411B (en) Quick-closing valve
CN103144643B (en) Bottom handling system for liquefied gas rail tank car
CN215215737U (en) Multi-station liquid oxygen filling pipeline device with pressure detection mechanism
CN201269345Y (en) Gas-fluid type piston valve
CN115366776A (en) Pressure relief device of road tank truck loading facility and use method thereof
CN112444389A (en) Quality detection device for valve manufacturing
CN207729212U (en) A kind of oil pipe lubricating system
CN110500418B (en) Automatic control large-caliber quick-cutting corrugated pipe gate valve
CN112178231A (en) Air bag sealed high-temperature high-pressure knife gate valve
CN208686602U (en) A kind of fire pump with automatic buck functionality
DE4117610C1 (en) Sealing liq. accumulator for high pressure shaft seals - has emergency servo-valve on outside for connecting inner chamber, filling pump, and reservoir
CN218032093U (en) Natural gas line prevents leaking mechanism with adjustment mechanism
CN220435594U (en) Valve rod low leakage structure of oil seal plug valve
CN220302185U (en) Underground slurry pressure reducing device for coal mine

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination