CN106694481A - Bypass tube cleaner with slug flow control function - Google Patents
Bypass tube cleaner with slug flow control function Download PDFInfo
- Publication number
- CN106694481A CN106694481A CN201611099620.0A CN201611099620A CN106694481A CN 106694481 A CN106694481 A CN 106694481A CN 201611099620 A CN201611099620 A CN 201611099620A CN 106694481 A CN106694481 A CN 106694481A
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- Prior art keywords
- bypass
- cavity
- ball
- wiper
- atomization
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
- B08B9/0327—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid the fluid being in the form of a mist
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention relates to a bypass tube cleaner with the slug flow control function. The multiple functions of tube cleaner speed control, liquid carrying wet gas atomization, tube cleaning liquid slug vortex blowing and tube cleaning liquid slug backflow prevention are integrated; a speed control cavity is designed, a bypass channel is closed through bypass balls different in size and weight, pushing force is provided through the front and back pressure difference of the tube cleaner, the bypass balls are jacked, the bypass rate is changed, and automatic speed control over the tube cleaner is achieved; an atomization cavity is designed, one part of high-pressure gas enters a throttle channel for pressure reduction, negative pressure is formed in the atomization cavity, liquid drops in wet natural gas in the cavity are atomized, and the other part of high-pressure gas jacks open a one-way valve to enter the atomization cavity and carries atomization gas to flow out; and a vortex blowing cavity is designed, the atomization gas enters multiple vortex units to form three-stage rotational flow, the liquid slug at the front end of the tube cleaner is blown, outlets and inlets of the vortex units are arranged in a tangent manner, and backflow of the liquid slug at the front end of the tube cleaner is avoided.
Description
Technical field
The present invention relates to a kind of bypass wiper with slug flow control, belong to pipeline cleaning technical field of operation.
Background technology
In the moisture gathering system of gas field, pipeline hydrops is serious, using conventional wiper pigging, line pressure when causing pigging
Amplitude of variation is big, and wiper liquid plug is big to pipeline impulsive force, and pigging is focused on up to downstream in the liquid plug short time, causes downstream liquid plug
Processing unit overflow.
By using tradition bypass wiper, reduce pigging operation to normal production and the influence of pipeline performance safety, profit
Injection with wiper rear end air-flow on front end fluid column influences, and extension pigging liquid plug reaches the time of downstream liquid plug processing unit,
Reduce downstream liquid plug processing unit overflow risk.
There is problem in tradition bypass wiper pigging process：Tradition bypass wiper is removed during pipeline hydrops, is gone up a slope
At pipeline section, tradition bypass wiper front end liquid plug amount is big, and hydrostatic pressure is big, adds wiper self gravitation, causes power of pushing the ball
Deficiency, wiper forefront pressure is more than rear end, and wiper counter motion, pigging liquid plug is transported from wiper front end by bypass passageways
Move to rear end, pigging liquid is got back into stream, is trapped in pipeline, influence gas smooth flow, cause wiper velocity perturbation；It is traditional other
Logical wiper bypass rate (the bypass passageways cross-sectional area of opening and wiper cross-sectional area ratio) is definite value, and wiper speed is big
It is small to be adjusted according to the size of wiper front end liquid plug amount；Gas cannot produce vortex, shadow in tradition bypass wiper
Ring purging pigging liquid plug effect.
The content of the invention
It is an object of the invention to provide a kind of bypass wiper with slug flow control, from ensuring that pigging operation pacifies
Entirely, the height of even running sets out, and bypass the structure design of wiper, reaches the purpose of control pigging liquid plug.
Present invention mainly solves problems with：
(1) speed control cavity in bypass wiper of the design with slug flow control, before and after different wipers
Pressure difference, changes bypass rate, realizes automatically adjusting for wiper speed；
(2) bypass wiper atomization cavity of the design with slug flow control, realizes the atomization of drop in wet gas,
Drop is built up in atomization cavity in preventing wet gas, flowing of the stabilizing gas in wiper, and enhancing natural gas takes liquid energy
Power；
(3) vortex purging cavity in bypass wiper of the design with slug flow control, realizes to wiper front end liquid plug
Purging, extend slug length, reduce bypass wiper running resistance, prevent liquid from getting back into stream.
To achieve these goals, technical scheme is as follows.
A kind of bypass wiper with slug flow control, it is characterised in that：Including pipeline inwall 1, leather cup 2, steel bone
The bypass bypass bypass bypass bypass bypass of bar the 8, the 3rd of bar 7, second of ball 6, first of ball the 5, the 3rd of ball 4, second of frame 3, first bar 9,
Central passage 10, the center bypass bypass bypass bypass bypass of ball the 14, the 4th of ball the 13, the 6th of ball the 12, the 5th of ball the 11, the 4th bar 15,
The 5th bypass bypass of bar the 16, the 6th bar 17, electronic location receiver 18, electronic signal emitter 19, tapered channels 20, high pressure gas
Body passage 21, nebulization channel 22, gas flow pass 23, cavity 24, one-way cock 25, the first cyclone unit 26, second eddy current
Unit 27, the 3rd cyclone unit 28, pigging liquid plug 29.
It is the speed control cavity A, atomization cavity B, the vortex purging cavity C that are linked in sequence in the pipeline inwall 1, it is described
In speed control cavity A, leather cup 2 is connected with steel skeleton 3, and the steel skeleton 3 forms bypass passageways, and first is provided with passage
The bypass bypass bypass bypass bypass bypass bar 17 of bar the 16, the 6th of bar the 15, the 5th of bar the 9, the 4th of bar the 8, the 3rd of bar 7, second, each bypass
Bar is bypassed by ball the 13, the 6th with the first bypass bypass bypass bypass ball the 12, the 5th of ball the 6, the 4th of ball the 5, the 3rd of ball 4, second respectively
Logical ball 14 is connected, and the 4th bypass bypass bypass bar 17 of bar the 16, the 6th of bar the 15, the 5th is provided with spring, the bottom of steel skeleton 3 and electricity
Sub- location receivers 18, electronic signal emitter 19 are connected, in the atomization cavity B, gases at high pressure passage 21 and one-way cock
25 connections, the one-way cock 25 is connected with cavity 24, and the cavity 24 is exported with tapered channels 20, the entrance of nebulization channel 22 connects
Logical, the nebulization channel 22 is connected with gas flow pass 23, in the vortex purging cavity C, the first cyclone unit 26, second
Cyclone unit 27, the 3rd cyclone unit 28 are sequentially communicated, and pigging liquid plug 29 is located at purging cavity C front ends.
The bypass wiper with slug flow control, the external diametrical extent 168mm of leather cup 2~508mm, inside diameter ranges
159mm~486mm, the magnitude of interference 4%~7%, using urethane rubber materials.
The bypass wiper with slug flow control, the 0~10MPa of allowable stress of steel skeleton 3, Applicable temperature -20
DEG C~150 DEG C.
The bypass wiper with slug flow control, speed control cavity A internal bypass rate 0%~14%.
The bypass wiper with slug flow control, the atomization granular size 5um~20um of atomization cavity B.
The bypass wiper with slug flow control, vortex purging cavity C exit velocities of whirl 3m/s~6m/s.
Pigging liquid plug control method：
A, wiper speed control：In speed control cavity A, the first bypass bypass bypass of ball the 5, the 3rd of ball 4, second ball 6,
The 4th bypass bypass bypass ball 14 of ball the 13, the 6th of ball the 12, the 5th has different size and weight, closes bypass passageways, wiper
Front and rear pressure difference provides thrust, and jacking bypass ball opens bypass passageways, when wiper front end liquid plug amount is less, before and after wiper
Pressure difference is smaller, and the thrust to bypassing ball is not enough, and the first bypass bypass ball the 5, the 3rd of ball 4, second bypasses ball 6 due under Action of Gravity Field
Drop, closes bypass passageways, and the 4th bypass bypass ball the 13, the 6th bypass ball 14 of ball the 12, the 5th rises because spring force is acted on, envelope
Bypass passageways are closed, increases wiper speed, when wiper front end liquid plug amount is more, pressure difference increase, high pressure gas before and after wiper
Body jacking respectively bypasses ball, and bypass passageways are opened, and pressure difference reduction before and after wiper, speed reduces, bypass rate scope 2%~10%,
The center connected with spring is provided with central passage 10 and bypasses ball 11, when a large amount of pigging liquid plugs, front and rear pressure are built up in wiper front end
Difference is sufficiently large, and spring-compressed is subjected to displacement center bypass ball 11, opens central passage 10, reaches the maximum of bypass rate
14%, wiper speed further reduces；
B, take liquid moisture atomization：In atomization cavity B, gases at high pressure enter cavity 24 by the reducing pressure by regulating flow of tapered channels 20,
Liquid gas of taking after step-down clashes into the inwall of cavity 24, and the accumulation in cavity 24, pressure drop in cavity 24, forms negative pressure,
Drop is atomized, and the external pressure of cavity 24 is higher than internal pressure, and gases at high pressure push up opening one-way valve 25 by gases at high pressure passage 21
Into cavity 24, promote the fragmentation and atomization of drop, and the drop carried after atomization flows out through gas flow pass 23；
C, vortex purging wiper front end liquid plug：Gas after atomization enters the first cyclone unit 26, realizes one-level eddy flow,
Then tangentially enter second eddy current unit 27, realize two grades of eddy flows, finally enter the 3rd cyclone unit 28, realize three-level
Eddy flow, purging wiper front end liquid plug 29.
The beneficial effect of the invention：
(1) the bypass wiper collection wiper speed control with slug flow control, to take the atomization of liquid moisture, vortex purging clear
Pipe liquid plug, prevent from pigging liquid from getting back into the various functions of stream being integrated, control pigging liquid plug, be moisture gathering line pigging operation safety
Even running provides safeguard；
(2)) speed control cavity can play certain pressure release effect in the bypass wiper with slug flow control, make pigging
Pressure difference reduction before and after device, according to the difference of wiper front end liquid plug amount, adjusts the wiper speed of service；
(3)) the atomization cavity of bypass wiper with slug flow control is atomized to bypass flow, reduces natural gas flow
Resistance, reduces speed and pressure oscillation, increases gas fluid-carrying capability；
(4) purging cavity) is vortexed in the bypass wiper with slug flow control carrying is sheared to liquid plug by vortex, made
Liquid plug is slow, uniform outflow, reduces pipe outlet liquid holdup, mitigates terminal liquid plug processing unit process task；
(5) it is in cut) to carry vortex in the bypass wiper of slug flow control and purge cyclone unit outlet and import in cavity
Line arrangement, prevents wiper front end liquid from getting back into stream.
Brief description of the drawings
Fig. 1 is the bypass wiper structural representation with slug flow control in the embodiment of the present invention.
Fig. 2 is the embodiment of the present invention medium velocity control bypass rate structural representation of cavity 2%.
Fig. 3 is the embodiment of the present invention medium velocity control bypass rate structural representation of cavity 5%.
Fig. 4 is the embodiment of the present invention medium velocity control bypass rate structural representation of cavity 10%.
Fig. 5 is the embodiment of the present invention medium velocity control bypass rate structural representation of cavity 14%.
Fig. 6 is atomization cavity structural representation in the embodiment of the present invention.
Fig. 7 is vortex purging cavity body structure schematic diagram in the embodiment of the present invention.
Specific embodiment
Specific embodiment of the invention is described below in conjunction with the accompanying drawings, to be better understood from the present invention.
Embodiment
In the present embodiment, Fig. 1 is the bypass wiper structural representation with slug flow control.Including pipeline inwall 1, skin
Bowl 2, steel skeleton 3, the first bypass bypass of ball 4, second ball 5, the 3rd bypass bypass bypass of bar 7, second of ball 6, first bar 8, the
Three bypass bars 9, central passage 10, the center bypass bypass bypass bypass ball the 14, the 4th of ball the 13, the 6th of ball the 12, the 5th of ball the 11, the 4th
The bypass bypass bypass of bar the 16, the 6th of bar the 15, the 5th bar 17, electronic location receiver 18, electronic signal emitter 19, tapered channels
20th, gases at high pressure passage 21, nebulization channel 22, gas flow pass 23, cavity 24, one-way cock 25, the first cyclone unit 26,
Second eddy current unit 27, the 3rd cyclone unit 28, pigging liquid plug 29.
It is the speed control cavity A, atomization cavity B, the vortex purging cavity C that are linked in sequence in the pipeline inwall 1, it is described
In speed control cavity A, leather cup 2 is connected with steel skeleton 3, and bypass passageways are formed between the steel skeleton 3, and is provided with passage
The bypass bypass bypass bypass bypass bar 17 of bar the 16, the 6th of bar the 15, the 5th of bar the 9, the 4th of bar the 8, the 3rd of one side through rod 7, second, each side
Through rod bypasses ball the 13, the 6th with the first bypass bypass bypass bypass ball the 12, the 5th of ball the 6, the 4th of ball the 5, the 3rd of ball 4, second respectively
Bypass ball 14 is connected, and the 4th bypass bypass bypass bar 17 of bar the 16, the 6th of bar the 15, the 5th is provided with spring, the bottom of steel skeleton 3 with
Electronic location receiver 18, electronic signal emitter 19 are connected, in the atomization cavity B, gases at high pressure passage 21 and check valve
Door 25 is connected, and the one-way cock 25 is connected with cavity 24, and the cavity 24 is exported with tapered channels 20, the entrance of nebulization channel 22
It is sequentially communicated, the nebulization channel 22 is connected with gas flow pass 23, in the vortex purging cavity C, the first cyclone unit
26th, second eddy current unit 27, the 3rd cyclone unit 28 are sequentially communicated, purging liquid plug 29.
The external diametrical extent 168mm of the leather cup 2~508mm, inside diameter ranges 159mm~486mm, the magnitude of interference 4%~7% is adopted
With urethane rubber materials, the 0~10MPa of allowable stress of the steel skeleton 3, -20 DEG C of Applicable temperature~150 DEG C.
Fig. 2 is the bypass rate structural representation of speed control cavity 2%.Wiper front end liquid plug amount is less, before and after wiper
Pressure difference is smaller, and high-pressure natural gas pressure energy provides that thrust is smaller, overcomes gravity, the 6th bypass ball 14 and the of the first bypass ball 4
Spring force between six bypass bars 17, by the first bypass bypass jacking of ball 14 of ball the 4, the 6th, opens bypass passageways, and bypass rate (is beaten
The bypass passageways cross-sectional area opened and wiper cross-sectional area ratio) it is 2%.
Fig. 3 is the bypass rate structural representation of speed control cavity 5%.Wiper front end liquid plug amount is more, before and after wiper
Pressure difference increases, and high-pressure natural gas pressure energy provides thrust to be increased, and overcomes gravity, the 5th bypass ball 13 and the of the second bypass ball 5
Spring force between five bypass bars 16, by the second bypass bypass jacking of ball 13 of ball the 5, the 5th, bypass passageways sectional area increases, bypass
Rate (the bypass passageways cross-sectional area of opening and wiper cross-sectional area ratio) increases to 5%.
Fig. 4 is the bypass rate structural representation of speed control cavity 10%.Wiper front end liquid plug amount continues to increase, wiper
Front and rear pressure difference is larger, and high-pressure natural gas pressure energy overcomes the gravity of the 3rd bypass ball 6, the 4th bypass bypass bar 15 of ball 12 and the 4th
Between spring force, by the 3rd bypass bypass jacking of ball 12 of ball the 6, the 4th, bypass passageways sectional area continues to increase, and bypass rate (beats
The bypass passageways cross-sectional area opened and wiper cross-sectional area ratio) increase to 10%.
Fig. 5 is the bypass rate structural representation of speed control cavity 14%.Wiper front end liquid plug is full of pipeline section, pigging
Pressure difference reaches maximum before and after device, and high-pressure natural gas pressure energy overcomes center to bypass the inner spring elastic force of ball 11, center is bypassed into ball
11 compressions, central passage 10 is opened completely, bypass rate (the bypass passageways cross-sectional area of opening and wiper cross-sectional area ratio)
Increase to 14%.
Fig. 6 is atomization cavity structural representation.In atomization cavity B, gases at high pressure enter by the reducing pressure by regulating flow of tapered channels 20
Enter cavity 24, the liquid gas of taking after step-down clashes into the inwall of cavity 24, and the accumulation in cavity 24, because pressure is rapid in cavity 24
Drop forms negative pressure, and drop atomization, the external pressure of cavity 24 is higher than internal pressure, and gases at high pressure are pushed up by gases at high pressure passage 21 and opened
One-way cock 25 enters cavity 24, promotes the fragmentation and atomization of drop, and carries the drop after atomization through gas flow pass 23
Outflow, natural gas can reduce natural gas flow dynamic resistance after atomization, reduce speed and pressure oscillation, increase natural gas fluid-carrying capability,
Drop is built up in atomization cavity in preventing wet gas, flowing of the stabilizing gas in wiper.
Fig. 7 is vortex purging cavity body structure schematic diagram.In vortex purging cavity C, the gas after atomization enters the first vortex
Unit 26, realizes one-level eddy flow, then tangentially enters second eddy current unit 27, realizes two grades of eddy flows, finally enters the
Three cyclone units 28, realize three swirler, realize the purging to wiper front end liquid plug 29, and the first cyclone unit 26 is entered with gas
Enter passage connection, gas tangentially enters the first cyclone unit 26, and second eddy current unit 27 is interior to be provided with aperture, and gas is axial to be entered
Enter aperture in second eddy current unit 27, increase gas flow rate, subsequently enter the 3rd cyclone unit 28, pressure energy is converted into vortex stream
Dynamic kinetic energy, the first cyclone unit 26, second eddy current unit 27, the 3rd cyclone unit 28 are combined into a vortex purging unit, whirlpool
Include multiple vortex purging units in stream purging cavity C, cyclone unit outlet and import are arranged in tangent line, prevent wiper front end
Liquid gets back into stream.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (7)
1. a kind of bypass wiper with slug flow control, it is characterised in that：Including pipeline inwall (1), leather cup (2), steel
Skeleton (3), the first bypass ball (4), the second bypass ball (5), the 3rd bypass ball (6), the first bypass bar (7), the second bypass bar
(8), the 3rd bypass bar (9), central passage (10), center bypass ball (11), the 4th bypass ball (12), the 5th bypass ball (13),
6th bypass ball (14), the 4th bypass bar (15), the 5th bypass bar (16), the 6th bypass bar (17), electronic location receiver
(18), electronic signal emitter (19), tapered channels (20), gases at high pressure passage (21), nebulization channel (22), gas outflow are logical
Road (23), cavity (24), one-way cock (25), the first cyclone unit (26), second eddy current unit (27), the 3rd cyclone unit
(28), pigging liquid plug (29)；
It is speed control cavity (A), atomization cavity (B), vortex purging cavity (C) being linked in sequence in the pipeline inwall (1),
In the speed control cavity (A), leather cup (2) is connected with steel skeleton (3), and the steel skeleton (3) forms bypass passageways, leads to
The first bypass bar (7), the second bypass bar (8), the 3rd bypass bar (9), the 4th bypass bar (15), the 5th bypass bar are provided with road
(16), the 6th bypass bar (17), each bypass bar respectively with the first bypass ball (4), the second bypass ball (5), the 3rd bypass ball (6),
4th bypass ball (12), the 5th bypass ball (13), the 6th bypass ball (14) connection, the 4th bypass bar (15), the 5th bypass bar
(16), the 6th bypass bar (17) is provided with spring, and steel skeleton (3) bottom is sent out with electronic location receiver (18), electronic signal
Machine (19) connection is penetrated, in the atomization cavity (B), gases at high pressure passage (21) is connected with one-way cock (25), the check valve
Door (25) is connected with cavity (24), and the cavity (24) is exported with tapered channels (20), nebulization channel (22) entrance is connected, described
Nebulization channel (22) is connected with gas flow pass (23), in vortex purging cavity (C), the first cyclone unit (26), the
Two cyclone units (27), the 3rd cyclone unit (28) are sequentially communicated, and pigging liquid plug (29) is positioned at purging cavity (C) front end.
2. the bypass wiper with slug flow control according to claim 1, it is characterised in that：Leather cup (2) external diameter model
Enclose 168mm~508mm, inside diameter ranges 159mm~486mm, the magnitude of interference 4%~7%, using urethane rubber materials.
3. the bypass wiper with slug flow control according to claim 1, it is characterised in that：Steel skeleton (3) is permitted
With 0~10MPa of stress, -20 DEG C of Applicable temperature~150 DEG C.
4. the bypass wiper with slug flow control according to claim 1, it is characterised in that：Speed control cavity
(A) internal bypass rate 0%~14%.
5. the bypass wiper with slug flow control according to claim 1, it is characterised in that：In atomization cavity (B)
Atomizing particle size 5um~20um.
6. the bypass wiper with slug flow control according to claim 1, it is characterised in that：Vortex purging cavity
(C) exit velocity of whirl 3m/s~6m/s.
7. the bypass wiper with slug flow control according to claim 1, it is characterised in that：What said apparatus were used
Pigging liquid plug control method：
A, wiper speed control：In speed control cavity (A), the first bypass ball (4), the second bypass ball (5), the 3rd bypass ball
(6), the 4th bypass ball (12), the 5th bypass ball (13), the 6th bypass ball (14) are with different size and weight, and closing bypass is logical
Road, pressure difference provides thrust before and after wiper, and jacking bypass ball opens bypass passageways, when wiper front end liquid plug amount is less, clearly
Pressure difference is smaller before and after pipe device, and the thrust to bypassing ball is not enough, the first bypass ball (4), the second bypass ball (5), the 3rd bypass ball (6)
Due to Action of Gravity Field decline, close bypass passageways, the 4th bypass ball (12), the 5th bypass ball (13), the 6th bypass ball (14) by
Acted in spring force and risen, close bypass passageways, increase wiper speed, when wiper front end liquid plug amount is more, pigging
Pressure difference increase before and after device, gases at high pressure jacking respectively bypasses ball, and bypass passageways are opened, and pressure difference reduction before and after wiper, speed reduces,
Bypass rate scope is to be provided with the center connected with spring in 2%~10%, central passage (10) to bypass ball (11), when before wiper
A large amount of pigging liquid plugs are built up at end, and front and rear pressure difference is sufficiently large, and spring-compressed is subjected to displacement center bypass ball (11), open center and lead to
Road (10), makes the maximum of bypass rate reach 14%, and wiper speed further reduces；
B, take liquid moisture atomization：In atomization cavity (B), gases at high pressure enter cavity by tapered channels (20) reducing pressure by regulating flow
(24), the liquid gas of taking after step-down clashes into cavity (24) inwall, and the accumulation in cavity (24), and cavity (24) interior pressure is rapid
Drop, forms negative pressure, and drop atomization, cavity (24) external pressure is higher than internal pressure, and gases at high pressure pass through gases at high pressure passage
(21) top opening one-way valve (25) enters cavity (24), promotes the fragmentation and atomization of drop, and carries the drop after atomization through gas
Body flow pass (23) flows out；
C, vortex purging wiper front end liquid plug：Gas after atomization enters the first cyclone unit (26), realizes one-level eddy flow, with
Tangentially enter second eddy current unit (27) afterwards, realize two grades of eddy flows, finally enter the 3rd cyclone unit (28), realize three
Level eddy flow, purging wiper front end liquid plug (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611099620.0A CN106694481B (en) | 2016-12-05 | 2016-12-05 | A kind of bypass pipe cleaner with slug flow control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611099620.0A CN106694481B (en) | 2016-12-05 | 2016-12-05 | A kind of bypass pipe cleaner with slug flow control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106694481A true CN106694481A (en) | 2017-05-24 |
| CN106694481B CN106694481B (en) | 2019-03-22 |
Family
ID=58934573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611099620.0A Active CN106694481B (en) | 2016-12-05 | 2016-12-05 | A kind of bypass pipe cleaner with slug flow control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106694481B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2176851Y (en) * | 1993-12-06 | 1994-09-14 | 吴彪 | Pressure by-pass cleaning device |
| KR20120078284A (en) * | 2010-12-30 | 2012-07-10 | 김도경 | Poly pig |
| CN103977994A (en) * | 2014-05-23 | 2014-08-13 | 西南石油大学 | Automatic speed adjusting pipe cleaner |
| CN105414120A (en) * | 2016-01-11 | 2016-03-23 | 西南石油大学 | Bypass valve type speed regulating pipe cleaner |
| CN105665382A (en) * | 2016-03-10 | 2016-06-15 | 西南石油大学 | Speed-adjustable pig provided with rotary by-pass valve |
-
2016
- 2016-12-05 CN CN201611099620.0A patent/CN106694481B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2176851Y (en) * | 1993-12-06 | 1994-09-14 | 吴彪 | Pressure by-pass cleaning device |
| KR20120078284A (en) * | 2010-12-30 | 2012-07-10 | 김도경 | Poly pig |
| CN103977994A (en) * | 2014-05-23 | 2014-08-13 | 西南石油大学 | Automatic speed adjusting pipe cleaner |
| CN105414120A (en) * | 2016-01-11 | 2016-03-23 | 西南石油大学 | Bypass valve type speed regulating pipe cleaner |
| CN105665382A (en) * | 2016-03-10 | 2016-06-15 | 西南石油大学 | Speed-adjustable pig provided with rotary by-pass valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106694481B (en) | 2019-03-22 |
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