CN109365441B - Natural gas pipeline - Google Patents
Natural gas pipeline Download PDFInfo
- Publication number
- CN109365441B CN109365441B CN201811439080.5A CN201811439080A CN109365441B CN 109365441 B CN109365441 B CN 109365441B CN 201811439080 A CN201811439080 A CN 201811439080A CN 109365441 B CN109365441 B CN 109365441B
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- Prior art keywords
- pipeline
- rope
- air bag
- natural gas
- fixedly connected
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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
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/053—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction
- B08B9/0535—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction the cleaning device being restricted in its movement by a cable or the like
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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
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/053—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction
- B08B9/055—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction the cleaning devices conforming to, or being conformable to, substantially the same cross-section of the pipes, e.g. pigs or moles
- B08B9/0552—Spherically shaped pigs
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
- Sewage (AREA)
Abstract
The invention relates to the field of natural gas pipelines, in particular to a natural gas pipeline which comprises a pipeline, branch pipes, an opening and closing mechanism, a cleaning mechanism, an extracting mechanism, ropes, a supporting mechanism and an air bag. The cleaning mechanism and the air bag are matched for use, so that the natural gas drives the air bag to move, the cleaning mechanism is driven by the air bag to move in the pipeline, the cleaning mechanism scrapes off impurities on the side wall of the pipeline, the impurities move along the movement of the natural gas and reach the outlet of the pipeline, the impurities on the side wall of the pipeline can be cleaned conveniently, and the air bag and the cleaning mechanism also reach the outlet of the pipeline along the flowing direction of the natural gas, so that the air bag and the cleaning mechanism can be taken out conveniently; the rope is used with the cooperation that draws the mechanism to in being convenient for gasbag and clean mechanism pack into the pipeline, make things convenient for the gasbag to advance to go into branch pipe and pipeline, then hang the rope through cutting short and take out string rope, thereby prevent to hang the rope winding on in brush and the rotation post.
Description
Technical Field
The invention relates to the field of natural gas pipelines, in particular to a natural gas pipeline.
Background
The natural gas pipeline refers to a pipeline for conveying natural gas (including associated gas produced by an oil field) from a mining place or a processing plant to a city gas distribution center or an industrial enterprise user, and is also called a gas transmission pipeline. The natural gas pipeline is used for conveying natural gas, and is a way for conveying a large amount of natural gas on land.
However, natural gas contains many impurities, and during the operation of natural gas in a pipeline, the impurities in the natural gas can contaminate the side wall of the pipeline of the natural gas, so that the pipeline can be blocked, and the flow speed of the natural gas in the pipeline is reduced. In view of this, the present invention provides a natural gas pipeline, having the following characteristics:
(1) according to the natural gas pipeline, the cleaning mechanism and the air bag are matched for use, so that the natural gas drives the air bag to move, the cleaning mechanism is driven by the air bag to move in the pipeline, impurities on the side wall of the pipeline are scraped by the cleaning mechanism, the impurities move along the movement of the natural gas and reach the outlet of the pipeline, the impurities on the side wall of the pipeline can be cleaned conveniently, and the air bag and the cleaning mechanism also reach the outlet of the pipeline along the flowing direction of the natural gas, so that the air bag and the cleaning mechanism can be taken out conveniently.
(2) According to the natural gas pipeline, the rope and the extracting mechanism are matched for use, so that the air bag and the cleaning mechanism are conveniently arranged in the pipeline, the connecting rope and the hanging rope are matched for use, the cleaning mechanism is positioned above the air bag when the hanging rope is pinched, the air bag is conveniently and firstly put into the branch pipe and the pipeline, the air bag is enabled to be bulged and moves along the flowing direction of natural gas, then the hanging rope is pulled out by cutting the hanging rope, and the hanging rope is prevented from being wound on the hairbrush and the rotating column.
(3) According to the natural gas pipeline, the supporting mechanism is matched with the air bag, so that the opening of the air bag is kept to be a circular opening all the time, the impact force of natural gas is facilitated to ensure that the air bag moves all the time in the pipeline, and the contact area between the air bag and the pipeline is reduced through the connecting rod and the roller which is rotatably connected with the connecting frame, so that the friction force between the air bag and the pipeline in the moving process is reduced, and the air bag is convenient to move.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a natural gas pipeline, which is characterized in that a cleaning mechanism and an air bag are used in a matched manner, so that natural gas drives the air bag to move, the cleaning mechanism is driven by the air bag to move in the pipeline, impurities on the side wall of the pipeline are scraped by a cleaning mechanism, the impurities move along the movement of the natural gas and reach an outlet of the pipeline, the impurities on the side wall of the pipeline can be cleaned conveniently, the air bag and the cleaning mechanism also reach the outlet of the pipeline along the flowing direction of the natural gas, the air bag and the cleaning mechanism can be taken out conveniently, a rope and an extraction mechanism are used in a matched manner, the air bag and the cleaning mechanism can be conveniently arranged in the pipeline, the connecting rope and the hanging rope are used in a matched manner, the cleaning mechanism is positioned above the air bag while the hanging rope is held, the air bag can be conveniently and firstly put into a branch pipe and the pipeline, thereby make the gasbag swell and remove along the direction of the circulation of natural gas, then hang the rope through cutting short and take out hanging the rope, thereby prevent to hang the rope winding on the brush with rotate the post in, the cooperation of supporting mechanism and gasbag is used, thereby guarantee that the opening of gasbag keeps the circular shape opening always, the impulsive force of the natural gas of being convenient for guarantees that the gasbag moves always in the pipeline, and rotate the area of contact who connects gyro wheel messenger gasbag and pipeline through connecting rod and link and reduce, thereby reduce the frictional force of gasbag between removal in-process and pipeline, and make things convenient for the removal of gasbag.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a natural gas pipeline, includes pipeline, branch pipe, opens and shuts the mechanism, clean mechanism, draws mechanism, rope, supporting mechanism and gasbag for the natural gas circulation the lateral wall fixed connection of the one end of pipeline is used for putting into clean mechanism the branch pipe, the branch pipe deviates from the one end of pipeline is rotated and is connected and be used for sealedly open and shut the mechanism, be used for cleaning impurity in the pipeline clean mechanism sliding connection is used for the natural gas circulation the pipeline is used for connecting the one end fixed connection of rope clean mechanism is used for connecting the other end fixed connection of rope is used for removing the gasbag is used for supporting mechanism fixed connection is used for removing the gasbag is used for with clean mechanism with the gasbag is put into the pipeline draw mechanism fixed connection the rope.
Specifically, the opening and closing mechanism comprises a cover, a convex block, a fixing column, a supporting leg and a clamping block, the supporting leg is fixedly connected with the branch pipe, two ends of the fixing column are fixedly connected with the branch pipe, the convex block is sleeved on the fixing column and is rotatably connected with the branch pipe and the supporting leg, the cover is fixedly connected with the convex block, the bottom end of the cover is fixedly connected with the clamping block, the cover is clamped with the branch pipe, and the clamping block is clamped with the branch pipe.
Specifically, clean mechanism includes brush, first hemispheroid, second hemispheroid, fixed block, stopper and rotation post, the brush is contradicted and is connected the inside of pipeline, brush fixed connection in first hemispheroid with the outer wall of second hemispheroid, fixed block fixed connection in first hemispheroid with on the inner wall of second hemispheroid, the both ends fixed connection who rotates the post the fixed block, the both ends fixed connection who rotates the post the stopper, the stopper rotates to be connected the fixed block, the stopper with it all is the cylinder structure to rotate the post, the diameter of stopper is greater than the diameter of rotation post, the rope encircle in rotate in the recess in the middle of the post.
Specifically, draw mechanism including hanging the rope and connecting the rope, the both ends fixed connection of connecting the rope connect the rope, connect the rope with form hollow through-hole between the rope, hang the rope and run through connect the rope with form hollow through-hole between the rope, the both ends end to end of hanging the rope, the length of rope is greater than the length of gasbag with first hemispheroid's diameter sum, hang the rope connect in the rope is close to first hemispheroid's one end.
Specifically, the supporting mechanism includes solid fixed ring, connecting rod and gyro wheel, gu fixed ring fixed connection the open-ended one end of gasbag, the connecting rod about gu fixed ring's diameter symmetry fixed connection in gu fixed ring is last, the gyro wheel rotates to be connected the connecting rod, gyro wheel sliding connection the inner wall of pipeline.
Specifically, the supporting mechanism still includes the link, link fixed connection the gasbag deviates from solid fixed ring's one end, the gyro wheel rotates to be connected the link, the length of link is less than the inner radius of pipeline, the gasbag is semiellipse shape structure, the diameter of branch pipe is greater than the diameter of pipeline, the branch pipe with contained angle between the pipeline is 45.
The invention has the beneficial effects that:
(1) according to the natural gas pipeline, the cleaning mechanism and the air bag are matched for use, so that the natural gas drives the air bag to move, the cleaning mechanism is driven by the air bag to move in the pipeline, impurities on the side wall of the pipeline are scraped by the cleaning mechanism, the impurities move along the movement of the natural gas and reach the outlet of the pipeline, the impurities on the side wall of the pipeline can be cleaned conveniently, and the air bag and the cleaning mechanism also reach the outlet of the pipeline along the flowing direction of the natural gas, so that the air bag and the cleaning mechanism can be taken out conveniently.
(2) According to the natural gas pipeline, the rope and the extracting mechanism are matched for use, so that the air bag and the cleaning mechanism are conveniently arranged in the pipeline, the connecting rope and the hanging rope are matched for use, the cleaning mechanism is positioned above the air bag when the hanging rope is pinched, the air bag is conveniently and firstly put into the branch pipe and the pipeline, the air bag is enabled to be bulged and moves along the flowing direction of natural gas, then the hanging rope is pulled out by cutting the hanging rope, and the hanging rope is prevented from being wound on the hairbrush and the rotating column.
(3) According to the natural gas pipeline, the supporting mechanism is matched with the air bag, so that the opening of the air bag is kept to be a circular opening all the time, the impact force of natural gas is facilitated to ensure that the air bag moves all the time in the pipeline, and the contact area between the air bag and the pipeline is reduced through the connecting rod and the roller which is rotatably connected with the connecting frame, so that the friction force between the air bag and the pipeline in the moving process is reduced, and the air bag is convenient to move.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a preferred embodiment of a natural gas pipeline provided by the present invention;
FIG. 2 is a schematic view of the connection of the cleaning mechanism, cord, air bag and support mechanism shown in FIG. 1;
FIG. 3 is a schematic view of the cleaning mechanism shown in FIG. 1;
fig. 4 is a schematic structural view of the support mechanism shown in fig. 1.
In the figure: 1. pipeline, 2, branch pipe, 3, the mechanism that opens and shuts, 31, lid, 32, lug, 33, fixed column, 34, stabilizer blade, 35, fixture block, 4, clean mechanism, 41, brush, 42, first hemispheroid, 43, second hemispheroid, 44, fixed block, 45, stopper, 46, the post rotates, 5, draw the mechanism, 51, hang the rope, 52, connect the rope, 6, the rope, 7, supporting mechanism, 71, solid fixed ring, 72, connecting rod, 73, gyro wheel, 74, link, 8, the gasbag.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-4, the natural gas pipeline according to the present invention includes a pipeline 1, a branch pipe 2, an opening and closing mechanism 3, a cleaning mechanism, an extraction mechanism 5, a rope 6, a support mechanism 7 and an air bag 8, wherein a side wall of one end of the pipeline 1 for natural gas circulation is fixedly connected to the branch pipe 2 for placing the cleaning mechanism, one end of the branch pipe 2 away from the pipeline 1 is rotatably connected to the opening and closing mechanism 3 for sealing, the cleaning mechanism for cleaning impurities in the pipeline 1 is slidably connected to the pipeline 1 for natural gas circulation, one end of the rope 6 for connection is fixedly connected to the cleaning mechanism, the other end of the rope 6 for connection is fixedly connected to the air bag 8 for movement, the support mechanism 7 for support is fixedly connected to the air bag 8 for movement, and the extraction mechanism 5 for placing the cleaning mechanism and the air bag 8 into the pipeline 1 is fixedly connected to the air bag 8 The rope 6.
Specifically, the opening and closing mechanism 3 includes a cover 31, a protrusion 32, a fixing column 33, a support leg 34 and a clamping block 35, the support leg 34 is fixedly connected to the branch tube 2, two ends of the fixing column 33 are fixedly connected to the branch tube 2, the protrusion 32 is sleeved on the fixing column 33, the protrusion 32 is rotatably connected to the branch tube 2 and the support leg 34, the cover 31 is fixedly connected to the protrusion 32, the bottom end of the cover 31 is fixedly connected to the clamping block 35, the cover 31 is clamped to the branch tube 2, and the clamping block 35 is clamped to the branch tube 2; thereby facilitating the sealing and unsealing of the end of the branch 2 facing away from the pipe 1, and thereby facilitating the insertion of the cleaning means and the balloon 8 into the pipe 1.
Specifically, the cleaning mechanism 4 includes a brush 41, a first hemisphere 42, a second hemisphere 43, a fixing block 44, a limiting block 45 and a rotating column 46, the brush 41 is connected to the inside of the pipeline 1 in an abutting manner, the brush 41 is fixedly connected to the outer walls of the first hemisphere 42 and the second hemisphere 43, the fixing block 44 is fixedly connected to the inner walls of the first hemisphere 42 and the second hemisphere 43, two ends of the rotating column 46 are fixedly connected to the fixing block 44, two ends of the rotating column 46 are fixedly connected to the limiting block 45, the limiting block 45 is rotatably connected to the fixing block 44, the limiting block 45 and the rotating column 46 are both in a cylindrical structure, the diameter of the limiting block 45 is greater than that of the rotating column 46, and the rope 6 is wound in a groove in the middle of the rotating column 46; thereby facilitating the scraping of impurities from the inner wall of the pipe 1 by the cleaning mechanism 4 and facilitating the advancement of the cleaning mechanism.
Specifically, the extraction mechanism 5 includes a hanging rope 51 and a connecting rope 52, two ends of the connecting rope 52 are fixedly connected to the rope 6, a hollow through hole is formed between the connecting rope 52 and the rope 6, the hanging rope 51 penetrates through the hollow through hole formed between the connecting rope 52 and the rope 6, two ends of the hanging rope 51 are connected end to end, the length of the rope 6 is greater than the sum of the length of the airbag 8 and the diameter of the first hemisphere 42, and the hanging rope 51 is connected to one end of the rope 6 close to the first hemisphere 42; thereby facilitating the cleaning mechanism to be above the air bag 8 when holding the lanyard 51.
Specifically, the supporting mechanism 7 comprises a fixing ring 71, a connecting rod 72 and a roller 73, the fixing ring 71 is fixedly connected with one end of the opening of the air bag 8, the connecting rod 72 is fixedly connected to the fixing ring 71 symmetrically about the diameter of the fixing ring 71, the roller 73 is rotatably connected with the connecting rod 72, and the roller 73 is slidably connected with the inner wall of the pipeline 1; so as to support the air bag 8 when in use, reduce the friction force of the air bag 8 when moving, and keep the air bag 8 stably moving during moving.
Specifically, the supporting mechanism 7 further includes a connecting frame 74, the connecting frame 74 is fixedly connected to one end of the air bag 8, which is away from the fixing ring 71, the roller 73 is rotatably connected to the connecting frame 74, the length of the connecting frame 74 is smaller than the inner radius of the pipeline 1, the air bag 8 is in a semi-elliptical structure, the diameter of the branch pipe 2 is larger than that of the pipeline 1, and an included angle between the branch pipe 2 and the pipeline 1 is 45 degrees; thereby facilitating the support of the end of the balloon 8 facing away from the fixing ring 71 and reducing the friction between the balloon 8 and the inner wall of the tube 1.
In use, natural gas moves from one end provided with the branch pipe 2 to the other end in the pipeline 1, one end of the cover 31 protruding out of the branch pipe 2 and the support legs 34 are firstly pinched, the cover 31 moves towards the support legs 34, the lug 32 rotates on the fixed column 33, the fixture block 35 falls off from the branch pipe 2, then the hanging rope 51 connected with the rope 6 through the connecting rope 52 is pinched, the air bag 8 is positioned below the cleaning mechanism 4, the air bag 8 firstly enters the pipeline 1 from the opening of the branch pipe 2, the air bag 8 is blown up due to the air flow of the natural gas, then the cleaning mechanism 4 enters the pipeline 1 through the branch pipe 2, then the connecting rope 52 is cut short, the connecting rope 52 is drawn out from the connecting rope 52 and the rope 6, then the cover 31 and the branch pipe 2 are covered again, the natural gas blows the air bag 8, so that the air bag 8 moves along the pipeline 1 in the air flow of the natural gas, the opening of the air bag 8 is kept open by the fixing ring 71, the roller 73, which is rotated by the connecting rod 72 and the connecting bracket 74, thereby facilitating the support of the air bag 8, and facilitates the movement of the air bag 8 in the duct 1, reduces the contact area of the air bag 8 and the side wall of the duct 1, thereby reducing the friction force between the pipeline 1 and the air bag 8, the rope 6 is connected with the air bag 8 and the cleaning mechanism, the rotating column 46 connected with the rope 6 is rotationally connected with the first hemisphere 42 and the second hemisphere 43 to move driven by the air bag 8, the limiting block 45 prevents the first hemisphere 42 and the second hemisphere 43 from falling off from the rotating column 46, the brush 41 fixedly connected with the first hemisphere 42 and the second hemisphere 43 brushes down impurities on the side wall of the pipeline 1, the impurities are driven by the natural gas to move to reach the outlet of the pipeline 1, thereby collecting the impurities, taking out the air bag 8 when the air bag 8 reaches the outlet of the pipeline 1, and cleaning the impurities at the outlet of the pipeline 1.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. A natural gas pipeline, characterized by: comprises a pipeline (1), a branch pipe (2), an opening and closing mechanism (3), a cleaning mechanism, an extraction mechanism (5), a rope (6), a supporting mechanism (7) and an air bag (8), wherein the opening and closing mechanism (3), the cleaning mechanism and the air bag (8) are used for natural gas circulation, one end of the pipeline (1) deviating from the branch pipe (2) is rotatably connected with the opening and closing mechanism (3) for sealing, the cleaning mechanism for cleaning impurities in the pipeline (1) is slidably connected with the pipeline (1) for natural gas circulation, one end of the rope (6) for connection is fixedly connected with the cleaning mechanism, the other end of the rope (6) for connection is fixedly connected with the air bag (8) for moving, and the supporting mechanism (7) for supporting is fixedly connected with the air bag (8) for moving, the extraction mechanism (5) for putting the cleaning mechanism and the air bag (8) into the pipeline (1) is fixedly connected with the rope (6);
the cleaning mechanism (4) comprises a brush (41), a first hemisphere (42), a second hemisphere (43), a fixed block (44), a limited block (45) and a rotating column (46), the brush (41) is in butt joint with the inside of the pipeline (1), the brush (41) is fixedly connected with the outer walls of the first hemisphere (42) and the second hemisphere (43), the fixed block (44) is fixedly connected to the inner walls of the first hemisphere (42) and the second hemisphere (43), the two ends of the rotating column (46) are fixedly connected with the limiting blocks (45), the limiting blocks (45) are rotatably connected with the fixed blocks (44), the limiting block (45) and the rotating column (46) are both in a cylindrical structure, the diameter of the limiting block (45) is larger than that of the rotating column (46), the rope (6) surrounds the groove in the middle of the rotating column (46);
the supporting mechanism (7) comprises a fixing ring (71), a connecting rod (72) and a roller (73), the fixing ring (71) is fixedly connected with one end of an opening of the air bag (8), the connecting rod (72) is symmetrically and fixedly connected to the fixing ring (71) about the diameter of the fixing ring (71), the roller (73) is rotatably connected with the connecting rod (72), and the roller (73) is slidably connected with the inner wall of the pipeline (1);
supporting mechanism (7) still include link (74), link (74) fixed connection gasbag (8) deviate from the one end of solid fixed ring (71), gyro wheel (73) are rotated and are connected link (74), the length of link (74) is less than the inner radius of pipeline (1), gasbag (8) are semiellipse shape structure, the diameter of branch pipe (2) is greater than the diameter of pipeline (1), branch pipe (2) with contained angle between pipeline (1) is 45.
2. A natural gas pipeline according to claim 1, wherein: the opening and closing mechanism (3) comprises a cover (31), a convex block (32), a fixing column (33), support legs (34) and clamping blocks (35), the support legs (34) are fixedly connected with the branch pipes (2), two ends of the fixing column (33) are fixedly connected with the branch pipes (2), the convex block (32) is sleeved on the fixing column (33), the convex block (32) is rotatably connected with the branch pipes (2) and the support legs (34), the cover (31) is fixedly connected with the convex block (32), the bottom end of the cover (31) is fixedly connected with the clamping blocks (35), the cover (31) is clamped and connected with the branch pipes (2), and the clamping blocks (35) are clamped and connected with the branch pipes (2).
3. A natural gas pipeline according to claim 1, wherein: draw mechanism (5) including hanging rope (51) and connecting rope (52), the both ends fixed connection of connecting rope (52) rope (6), connect rope (52) with form hollow through-hole between rope (6), hang rope (51) and run through connect rope (52) with form hollow through-hole between rope (6), the both ends end to end of hanging rope (51), the length of rope (6) is greater than the length of gasbag (8) with the sum of the diameter of first hemisphere (42), hang rope (51) connect in rope (6) are close to the one end of first hemisphere (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811439080.5A CN109365441B (en) | 2018-11-29 | 2018-11-29 | Natural gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811439080.5A CN109365441B (en) | 2018-11-29 | 2018-11-29 | Natural gas pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109365441A CN109365441A (en) | 2019-02-22 |
| CN109365441B true CN109365441B (en) | 2021-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811439080.5A Active CN109365441B (en) | 2018-11-29 | 2018-11-29 | Natural gas pipeline |
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| CN (1) | CN109365441B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112337906B (en) * | 2020-10-16 | 2022-02-18 | 威海玉全新型建筑材料股份有限公司 | Concrete mixing plant with dust removal function and dust removal method thereof |
| CN115401040B (en) * | 2022-08-16 | 2024-01-26 | 武汉中科水生生态环境股份有限公司 | Constructed wetland water distribution pipe cleaning device and method |
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| JP2003278989A (en) * | 2002-03-22 | 2003-10-02 | Osaka Gas Co Ltd | In-pipe retraction tool |
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| CN205056580U (en) * | 2015-09-14 | 2016-03-02 | 重庆建工新型建材有限公司 | Concrete pumping pipeline belt cleaning device |
| CN206716649U (en) * | 2017-05-10 | 2017-12-08 | 周剑 | A kind of water pipe decontamination plant based on new energy technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2835588B1 (en) * | 2002-02-05 | 2004-09-03 | Cegelec | URBAN HEATING PIPE INSPECTION PROCESS |
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- 2018-11-29 CN CN201811439080.5A patent/CN109365441B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003278989A (en) * | 2002-03-22 | 2003-10-02 | Osaka Gas Co Ltd | In-pipe retraction tool |
| JP2003278988A (en) * | 2002-03-22 | 2003-10-02 | Osaka Gas Co Ltd | Method and instrument for working in pipe |
| CN102000683A (en) * | 2009-09-03 | 2011-04-06 | 孙建国 | Cleaning device for sweeping walls of air conditioning duct |
| CN203292150U (en) * | 2013-05-20 | 2013-11-20 | 四川省德利塑胶集团有限公司 | Pipeline cleaning device |
| CN205056580U (en) * | 2015-09-14 | 2016-03-02 | 重庆建工新型建材有限公司 | Concrete pumping pipeline belt cleaning device |
| CN206716649U (en) * | 2017-05-10 | 2017-12-08 | 周剑 | A kind of water pipe decontamination plant based on new energy technology |
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| Publication number | Publication date |
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| CN109365441A (en) | 2019-02-22 |
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