CN202105825U - Bidirectional pig for pressure controlled pipeline flow discharge - Google Patents
Bidirectional pig for pressure controlled pipeline flow discharge Download PDFInfo
- Publication number
- CN202105825U CN202105825U CN2011201199762U CN201120119976U CN202105825U CN 202105825 U CN202105825 U CN 202105825U CN 2011201199762 U CN2011201199762 U CN 2011201199762U CN 201120119976 U CN201120119976 U CN 201120119976U CN 202105825 U CN202105825 U CN 202105825U
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- China
- Prior art keywords
- leather cup
- spring
- earial drainage
- pressing plate
- cylindrical shell
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Abstract
The utility model discloses a bidirectional pig for pressure controlled pipeline flow discharge. A pressure limiting starting flow discharge device in the front of the bidirectional pig and a spring valve type flow discharge device in the back of the bidirectional pig are connected through universal joints. The pressure limiting starting flow discharge device is characterized in that a deep cone leather cup I (7) are sleeved on a front end of a barrel I (1); a pig leather cup pressing plate (6) is pressed against the front end of the deep cone leather cup I (7); a rupture disc (3) is clamped in a clamp holder (4) and is placed on a sealing gasket (5); the clamp holder (4) is covered with a traction disc (2) in front; and the traction disc (2) is in fixed connection with the leather cup pressing plate (6) and a leather cup pressing sleeve I (8) in the deep cone leather cup I (7). The spring valve type flow discharge device is characterized in that a universal socket II (17), a deep cone leather cup II (19), and a leather cup pressing sleeve II (18) are fixed at the front end of a barrel II (11); a pressing plate valve (16) is disposed in the barrel II (11); and a compression spring (13) sleeved with a spring protecting sleeve (15) outside is sleeved on a spring support (12) shaft inserted in the pressing plate valve (16). The novel bidirectional pig enables the flow discharge to be triggered under the circumstance of certain pressure differences when blockage occurs during gas pipeline cleaning operation, while having no impact on normal conveyance and production of the pipeline, and realizes bidirectional operation simultaneously.
Description
Technical field
The utility model is a kind ofly to be used for feed channel pigging operation process in case take place that card is stifled can be produced earial drainage and do not influence pipeline and normally carry production, also can realize a kind of novel wiper of way traffic simultaneously under the situation of certain pressure reduction.Relate to pipe-line system pigging technology field.
Background technology
Construction along with fast development of oil and gas pipes transport service and natural gas line site, each province; Pipeline operation mileage is great-leap-forward and increases, yet for various reasons, most of pipeline never carried out pigging after going into operation; Transfer efficiency descends year by year; Dust, impurity are cumulative in the pipe, can't normally carry out the work of pipeline Intelligent Measurement, cause the pipeline owner that the metal loss situation of pipeline is not understood; Adopt traditional pigging equipment to carry out pigging, in case the gas consumption demand that the stifled situation of card will have a strong impact on downstream user takes place, causing than great society influences.Pigging very risky first after pipeline is gone into operation has been to know together in the industry; In-service pipeline is the success or not of pigging first, and pipeline owner's follow-up management is significant; The voltage-controlled earial drainage bi-directional pig of pipeline has been avoided crossing the stifled interior medium transport of normal pipe that influences of the card that mostly occurs because of pipe deforming, undergauge and foreign matter, impurity.
The utility model content
To be that design is a kind of be used for feed channel pigging operation process in case take place that card is stifled can be produced earial drainage and do not influence pipeline and normally carry production, also can realize a kind of novel wiper of way traffic simultaneously under the situation of certain pressure reduction to the purpose of the utility model.
Pressure limiting unlatching earial drainage device is equipped with in the voltage-controlled earial drainage bi-directional pig of the pipeline of the utility model front portion, and spring valve formula earial drainage device is equipped with at the rear portion, and two parts mechanical carrier is connected by universal joint.Wiper itself is the same with prior art, also comprises cylindrical shell, leather cup.Spring valve formula earial drainage device has one-way; Rest on pipeline like wiper and wear special locations such as leap; Can't normally carry out the disconnected pipe of shutoff and get the ball operation; But can utilize through adjusting delivery technology, be convenient to the disconnected pipe of shutoff and get ball job execution (seeing Fig. 1 and Fig. 2) the anti-job safety location that is pushed into of this type wiper.
The preceding part of the utility model is equipped with pressure limiting opens the earial drainage device; As shown in figures 1 and 3, mainly by cylindrical shell I1, clamper 4, rupture disk 3, sealing gasket 5, tractive dish 2, leather cup pressing plate 6, bore leather cup I7, hexagon-headed bolt I9, leather cup gland I8, universal socket I10 deeply and form.Dark awl leather cup I7 is enclosed within the front end (is preceding with the wiper direction of advance) of cylindrical shell I1; Put sealing gasket 5 on the pipe cleaner rubber cup pressing plate 6 and be pressed on dark awl leather cup I7 front end; Rupture disk 3 sandwiches and is put on the sealing gasket 5 in the clamper 4; Tractive dish 2 on clamper 4 protecgulums passes tractive dish 2, leather cup pressing plate 6 and the leather cup gland I8 that bores deeply in the leather cup I7 is fastenedly connected them with a plurality of bolt I9, and moment of torsion is wanted evenly.Afterbody at this cylindrical shell I1 is fixed a leather cup again by universal socket I10 and leather cup gland I8.
Wherein:
Cylindrical shell I1 is a pipe section;
Leather cup pressing plate 6 is a Circular Plate;
Leather cup gland I8 is the circle spool-like;
Universal socket I10 is flanged (FLGD) short tube, and at stud tube wall two holes of cross bolts is arranged; Fixing bolt connects the anterior universal joint of spring valve formula earial drainage device on the short tube.
The back part of the utility model is equipped with spring valve formula earial drainage device; Like Fig. 2, Fig. 4 and shown in Figure 5, mainly by cylindrical shell II11, universal socket II17, spring support 12, compression spring 13, screw 14, spring protecting sleeve 15, pressing plate valve 16, bore leather cup II19, leather cup gland II18, fastening bolt II20 deeply and form.Front end at cylindrical shell II11 is equipped with leather cup gland II18; Dark awl leather cup II19 is housed before the leather cup gland II18; Before the dark awl leather cup II19 universal socket II17 is housed, by a plurality of bolt II20 that universal socket II17 and leather cup gland II18 is fastening, be fixed on the front end of cylindrical shell II11 with boring leather cup II19 deeply; In the cylindrical shell II11 of the contact position of universal socket II17 and cylindrical shell II11, pressing plate valve 16 is installed; Spring support 12 is fixed on the middle part of universal socket II17 by screw 14; Compression spring 13 is enclosed within spring support 12 and is inserted on the axle of 16 li on pressing plate valve, the compression spring 13 outer spring protecting sleeves 15 that are with; The front end of universal socket II17 has universal joint.
Wherein:
Cylindrical shell II11 is a pipe section;
Universal socket II17 is the endoporus place socket one tubule section in a Circular Plate, and the front portion of this pipeline section is fixed with universal joint by bolt, and the tube wall at pipeline section rear portion has a plurality of holes, and the hole of a plurality of fixed spring stents 12 is arranged on the tube wall of middle part;
Leather cup gland II18 is a Circular Plate.
The pressure limiting of a part is opened the assembling of earial drainage device like Fig. 3 before the utility model, at first through theoretical validation, chooses suitable rupture disk 3 and clamper 4, installs like figure to get final product.All fastening bolt I9 moments of torsion must be even, and general moment of torsion all will be chosen greater than 80N/m.When wiper runs into bigger distortion, it is stifled that card takes place foreign matter, and when pressure was elevated to greater than rupture disk numerical value, rupture disk 3 was opened, and produces earial drainage, resumes production.
The assembling of the latter part of spring valve formula of the utility model earial drainage device is like Fig. 4 and Fig. 5, and initial tension of spring is chosen in this part most importantly, through Theoretical Calculation, chooses the most suitable numerical value of each individual works, assembles by figure.In the running, spring valve is in high-frequency open and close state to wiper all the time in pipeline, and the operation power of wiper acts on leading portion always like this, makes the wiper operation more steady.This spring valve is opened and is one-way, after front end rupture disk 3 is opened, retreats like the needs wiper, reduces the wiper rear pressure, and when wiper forefront pressure during greater than the back end pressure, this spring valve is in closed condition, guarantees the position that wiper retreats into to be needed.
The core technology of the voltage-controlled earial drainage bi-directional pig of pipeline is exactly the earial drainage device, and this earial drainage device can in time be opened under the situation of certain pressure reduction when wiper generation card is stifled, does not influence the normal conveying of pipeline; Make the pigging first of the in-service pipeline simple possible that becomes.And then can the pipeline Intelligent Measurement, make more scientific, the systematization of pipeline management, improve transfer efficiency, guarantee the pipe safety reliability service.So this earial drainage device plays crucial effects to the pigging first of in-service pipeline.
Description of drawings
The voltage-controlled earial drainage bi-directional pig of Fig. 1 pipeline (earial drainage device part is opened in pressure limiting)
The voltage-controlled earial drainage bi-directional pig of Fig. 2 pipeline (spring valve formula earial drainage device part)
Earial drainage device view is opened in Fig. 3 pressure limiting
Fig. 4 spring valve formula earial drainage device view
Fig. 5 spring valve partial view
Wherein: 1-cylindrical shell I 2-tractive dish
3-rupture disk 4-clamper
5-sealing gasket 6-leather cup platen
7-bores leather cup I 8-leather cup gland I deeply
9-fastening bolt I 10-universal socket I
11-cylindrical shell II 12-spring support
13-compression spring 14-fastening bolt
15-spring protecting sleeve 16-pressing plate valve
17-universal socket II 18-leather cup gland II
19-bores leather cup II 20-fastening bolt II deeply
The specific embodiment
Embodiment. this example is the voltage-controlled earial drainage bi-directional pig of 325mm pipeline, is the never clear pipe of crossing after going into operation by the environment in pigging road, and the generation card is stifled in the pigging process can not influence production, and vent flow must reach 90% of normal displacement.
The voltage-controlled earial drainage bi-directional pig of pipeline is as depicted in figs. 1 and 2; Two single-unit wipers connect with universal joint; The first segment front end that the earial drainage device is installed in the voltage-controlled earial drainage bi-directional pig of 325mm pipeline is opened in Fig. 1 pressure limiting, mainly by cylindrical shell I1, clamper 4, rupture disk 3, sealing gasket 5, tractive dish 2, leather cup pressing plate 6, bore leather cup I7, hexagon-headed bolt I9, leather cup gland I8, universal socket I10 deeply and form.Dark awl leather cup I7 is enclosed within the front end (is preceding with the wiper direction of advance) of cylindrical shell I1; Put sealing gasket 5 on the pipe cleaner rubber cup pressing plate 6 and be pressed on dark awl leather cup I7 front end; Rupture disk 3 sandwiches and is put on the sealing gasket 5 in the clamper 4; Tractive dish 2 on clamper 4 protecgulums passes tractive dish 2, leather cup pressing plate 6 and the leather cup gland I8 that bores deeply in the leather cup I7 is fastenedly connected them with a plurality of bolt I9, and moment of torsion is wanted evenly.Afterbody at this cylindrical shell I1 is fixed a leather cup again by universal socket I10 and leather cup gland I8.Choosing suitable rupture disk according to the actual conditions of pipeline is important link.
Fig. 2 spring valve formula earial drainage device is installed in the second joint front end of the voltage-controlled earial drainage bi-directional pig of 325mm pipeline, by cylindrical shell II11, universal socket II17, spring support 12, compression spring 13, screw 14, spring protecting sleeve 15, pressing plate valve 16, bore leather cup II19, leather cup gland II18, fastening bolt II20 deeply and form.Front end at cylindrical shell II11 is equipped with leather cup gland II18; Dark awl leather cup II19 is housed before the leather cup gland II18; Before the dark awl leather cup II19 universal socket II17 is housed, by a plurality of bolt II20 that universal socket II17 and leather cup gland II18 is fastening, be fixed on the front end of cylindrical shell II11 with boring leather cup II19 deeply; In the cylindrical shell II11 of the contact position of universal socket II17 and cylindrical shell II11, pressing plate valve 16 is installed; Spring support 12 is fixed on the middle part of universal socket II17 by screw 14; Compression spring 13 is enclosed within spring support 12 and is inserted on the axle of 16 li on pressing plate valve, the compression spring 13 outer spring protecting sleeves 15 that are with; The front end of universal socket II17 has universal joint.
Its key dimension:
Device diameters: Ф 325mm
Device length: 1524mm
Weight of equipment: 90kg
The speed of service: 0.5～6m/s
Largest tube linear pressure: 120Mpa
Operating temperature :-30～+ 100 ℃
Minimum radius of curvature: 2.5D * 90 ° through elbow
Minimum is passed through diameter: 320mm
Pipeline pumped (conveying) medium: Oil, Water, Gas
This example is through repetition test, and spring valve formula earial drainage device is normally opened in the pressure limit of imagination, makes pressure act on first segment, and is in good condition.Blocked up when card takes place the voltage-controlled earial drainage bi-directional pig of pipeline, this moment, pressure reduction raise, and when pressure reduction was elevated to greater than the rupture disk force value, rupture disk was opened, and formed earial drainage.Vent flow reaches 90% of normal throughput rate, meets the design imagination.The voltage-controlled earial drainage bi-directional pig of this pipeline simplicity of design, with low cost, applied widely.
Claims (7)
1. the voltage-controlled earial drainage bi-directional pig of pipeline comprises cylindrical shell, leather cup, it is characterized in that limited the pressing off in wiper the place ahead open the earial drainage device, and there is spring valve formula earial drainage device at the rear portion, and both are connected by universal joint.
2. the voltage-controlled earial drainage bi-directional pig of pipeline according to claim 1, it is characterized in that said pressure limiting open the earial drainage device mainly by cylindrical shell I (1), clamper (4), rupture disk (3), sealing gasket (5), tractive dish (2), leather cup pressing plate (6), bore leather cup I (7), hexagon-headed bolt I (9), leather cup gland I (8), universal socket I (10) deeply and form; Dark awl leather cup I (7) is enclosed within the front end of the wiper direction of advance of cylindrical shell I (1); Put sealing gasket (5) on the pipe cleaner rubber cup pressing plate (6) and be pressed on dark awl leather cup I (7) front end; Rupture disk (3) sandwiches and is put on the sealing gasket (5) in the clamper (4); Tractive dish (2) on clamper (4) protecgulum, the leather cup gland I (8) that passes tractive dish (2), leather cup pressing plate (6) and dark awl leather cup I (7) lining with a plurality of bolt I (9) is fastenedly connected them; Afterbody at this cylindrical shell I (1) is fixed a leather cup again by universal socket I (10) and leather cup gland I (8).
3. the voltage-controlled earial drainage bi-directional pig of pipeline according to claim 2 is characterized in that said rupture disk (3) is the circle foil; Said clamper (4) is two annulus, and encircling the face that is harmonious two is curved surface, is convenient to clamp rupture disk (3).
4. the voltage-controlled earial drainage bi-directional pig of pipeline according to claim 2 is characterized in that said universal socket I (10) is flanged (FLGD) short tube, and at stud tube wall two holes of cross bolts is arranged; Fixing bolt connects the anterior universal joint of spring valve formula earial drainage device on the short tube.
5. the voltage-controlled earial drainage bi-directional pig of pipeline according to claim 1, it is characterized in that said spring valve formula earial drainage device mainly by cylindrical shell II (11), universal socket II (17), spring support (12), compression spring (13), screw (14), spring protecting sleeve (15), pressing plate valve (16), bore leather cup II (19), leather cup gland II (18), fastening bolt II (20) deeply and form; Front end at cylindrical shell II (11) is equipped with leather cup gland II (18); The preceding dark awl leather cup II (19) that is equipped with of leather cup gland II (18); The preceding universal socket II (17) that is equipped with of dark awl leather cup II (19); By a plurality of bolt II (20) that universal socket II (17) and leather cup gland II (18) is fastening, will bore the front end that leather cup II (19) is fixed on cylindrical shell II (11) deeply; In the cylindrical shell II (11) of the contact position of universal socket II (17) and cylindrical shell II (11), pressing plate valve (16) is installed; Spring support (12) is fixed on the middle part of universal socket II (17) by screw (14); Compression spring (13) is enclosed within spring support (12) and is inserted on the axle of pressing plate valve (16) lining, the outer spring protecting sleeve (15) that is with of compression spring (13); The front end of universal socket II (17) has universal joint.
6. the voltage-controlled earial drainage bi-directional pig of pipeline according to claim 5 it is characterized in that said spring support (12) is the plectane central vertical spring shaft that is connected, and spindle nose has screw thread; The plectane external diameter equates that with the internal diameter of universal socket II (17) the plectane outer circumferential side has a plurality of screws, and a plurality of holes are arranged on the plectane; Said spring protecting sleeve (15) is the endoporus place socket one tubule section of circular ring plate.
7. the voltage-controlled earial drainage bi-directional pig of pipeline according to claim 5; It is characterized in that said universal socket II (17) is the endoporus place socket one tubule section in a Circular Plate; The front portion of this pipeline section is fixed with universal joint by bolt; The tube wall at pipeline section rear portion has a plurality of holes, and the hole of a plurality of fixed spring stents (12) is arranged on the tube wall of middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201199762U CN202105825U (en) | 2011-04-22 | 2011-04-22 | Bidirectional pig for pressure controlled pipeline flow discharge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201199762U CN202105825U (en) | 2011-04-22 | 2011-04-22 | Bidirectional pig for pressure controlled pipeline flow discharge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202105825U true CN202105825U (en) | 2012-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201199762U Expired - Lifetime CN202105825U (en) | 2011-04-22 | 2011-04-22 | Bidirectional pig for pressure controlled pipeline flow discharge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202105825U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406316A (en) * | 2013-08-29 | 2013-11-27 | 钟平贵 | Hydraulic driven built-in rotation scraping type pipeline cleaning device |
| CN103551351A (en) * | 2013-10-29 | 2014-02-05 | 中国海洋石油总公司 | Jet dredging pipe cleaner |
| CN109158390A (en) * | 2018-10-19 | 2019-01-08 | 董志彬 | pipeline cleaner |
| CN110296323A (en) * | 2019-06-21 | 2019-10-01 | 中海石油气电集团有限责任公司 | A kind of pipeline cleaner discharge orifice dynamic duty device and its application method |
| CN110355159A (en) * | 2019-07-05 | 2019-10-22 | 天津大学 | Integrated device is swept in a kind of suction of circular pipe |
| CN111036627A (en) * | 2020-01-09 | 2020-04-21 | 西安长庆科技工程有限责任公司 | Speed-regulating pipe cleaner capable of automatically removing blockage |
| RU198760U1 (en) * | 2019-11-19 | 2020-07-28 | Валерий Павлович Панченко | Device for cleaning the inner surface of the pipeline |
| CN113090867A (en) * | 2020-01-09 | 2021-07-09 | 中国石油天然气股份有限公司 | Crude oil conveying pipeline pipe cleaning and gas stripping simulation equipment and method |
-
2011
- 2011-04-22 CN CN2011201199762U patent/CN202105825U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406316A (en) * | 2013-08-29 | 2013-11-27 | 钟平贵 | Hydraulic driven built-in rotation scraping type pipeline cleaning device |
| CN103406316B (en) * | 2013-08-29 | 2016-01-13 | 钟平贵 | The built-in rotary type pipe cleaning device of hydraulic drive |
| CN103551351A (en) * | 2013-10-29 | 2014-02-05 | 中国海洋石油总公司 | Jet dredging pipe cleaner |
| CN109158390A (en) * | 2018-10-19 | 2019-01-08 | 董志彬 | pipeline cleaner |
| CN110296323A (en) * | 2019-06-21 | 2019-10-01 | 中海石油气电集团有限责任公司 | A kind of pipeline cleaner discharge orifice dynamic duty device and its application method |
| CN110296323B (en) * | 2019-06-21 | 2021-06-08 | 中海石油气电集团有限责任公司 | Dynamic working device for drainage hole of pipeline cleaner and using method thereof |
| CN110355159A (en) * | 2019-07-05 | 2019-10-22 | 天津大学 | Integrated device is swept in a kind of suction of circular pipe |
| RU198760U1 (en) * | 2019-11-19 | 2020-07-28 | Валерий Павлович Панченко | Device for cleaning the inner surface of the pipeline |
| CN111036627A (en) * | 2020-01-09 | 2020-04-21 | 西安长庆科技工程有限责任公司 | Speed-regulating pipe cleaner capable of automatically removing blockage |
| CN113090867A (en) * | 2020-01-09 | 2021-07-09 | 中国石油天然气股份有限公司 | Crude oil conveying pipeline pipe cleaning and gas stripping simulation equipment and method |
| CN111036627B (en) * | 2020-01-09 | 2023-10-20 | 西安长庆科技工程有限责任公司 | Self-blocking-removing speed-regulating pipe cleaner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170316 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Patentee after: China National Petroleum Corporation Patentee after: China Petroleum Pipeline Bureau Engineering Co., Ltd. Address before: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Patentee before: China National Petroleum Corporation Patentee before: China Petroleum and Natural Gas Pipeline Bureau |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120111 |
|
| CX01 | Expiry of patent term |