CN112517557A - Online cleaning device for gas pipeline - Google Patents
Online cleaning device for gas pipeline Download PDFInfo
- Publication number
- CN112517557A CN112517557A CN202011505230.5A CN202011505230A CN112517557A CN 112517557 A CN112517557 A CN 112517557A CN 202011505230 A CN202011505230 A CN 202011505230A CN 112517557 A CN112517557 A CN 112517557A
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- CN
- China
- Prior art keywords
- pipe
- gas pipeline
- sealing
- sealing elastic
- cleaning device
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- 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.)
- Granted
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Classifications
-
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
Abstract
The invention relates to an online cleaning device for a gas pipeline, which comprises a connecting pipe, a first sealing valve arranged on the connecting pipe and a transition pipe connected with the connecting pipe, wherein a first sealing elastic pad is arranged at the position where the transition pipe is connected with the connecting pipe, and a first through hole is formed in the first sealing elastic pad; one end of the transition pipe, which is far away from the connecting pipe, is covered with a second sealing elastic pad, and a second through hole is formed in the second sealing elastic pad; the on-line cleaning device for the gas pipeline further comprises a hook returning pipe and a cleaning pipe, wherein the hook returning pipe can be inserted into the second through hole and the first through hole so as to enable the hook returning pipe to be pressed and sealed with the first sealing elastic cushion and the second sealing elastic cushion; the cleaning pipe can enter the gas pipeline through the hook returning pipe and the first sealing valve and is used for guiding ammonia water into the gas pipeline so as to clean the gas pipeline. The online cleaning device for the gas pipeline can achieve the purpose of online cleaning of the gas pipeline, is simple in structure and convenient to operate, and further meets the use requirements of enterprises on cleaning of the gas pipeline.
Description
Technical Field
The invention belongs to the technical field related to pipeline cleaning, and particularly relates to an online cleaning device for a gas pipeline.
Background
The gas pipeline is applied to a coke oven and used for conveying gas. It can be understood that a large amount of tar dirt can be accumulated in the gas pipeline in the long-time gas transmission process of the gas pipeline, and therefore the tar dirt in the gas pipeline needs to be cleaned.
At present, in the existing method for cleaning tar and dirt in a gas pipeline of an enterprise, high-pressure water is used for cleaning, the gas pipeline is required to be diffused and can be operated after nitrogen is replaced, the operation is complicated, and the use of the gas pipeline is required to be shut down, so that the large-scale production of the enterprise is influenced.
Disclosure of Invention
Based on this, it is necessary to provide an online cleaning device for gas pipelines to solve the technical problems in the prior art.
The online cleaning device for the gas pipeline comprises a connecting pipe, a first sealing valve and a transition pipe, wherein the connecting pipe is connected and communicated with the gas pipeline; a second sealing elastic pad is covered on one end of the transition pipe far away from the connecting pipe in a sealing manner, and a second through hole matched with the first through hole on the first sealing elastic pad is formed in the second sealing elastic pad; the on-line cleaning device for the gas pipeline further comprises a hook returning pipe and a cleaning pipe, wherein the hook returning pipe can be inserted through a second through hole of the second sealing elastic cushion and a first through hole of the first sealing elastic cushion so as to enable the hook returning pipe to be pressed and sealed with the first sealing elastic cushion and the second sealing elastic cushion; the cleaning pipe can enter the gas pipeline through the hook returning pipe and the first sealing valve and is used for guiding ammonia water into the gas pipeline so as to clean the gas pipeline.
As a preferable aspect of the present invention, the circle center line of the first through hole and the circle center line of the second through hole are arranged on the same straight line, wherein the aperture of the first through hole and the aperture of the second through hole are smaller than the pipe diameter of the hook returning pipe.
As a preferable scheme of the present invention, the hook returning pipe is connected to a hook at an end of one side inserted into the second sealing elastic pad and the first sealing elastic pad, and the hook returning pipe can drive the hook to act on the first sealing elastic pad in a direction toward the second sealing elastic pad, so that a peripheral portion of the first through hole on the first sealing elastic pad is folded in a direction toward the second sealing elastic pad and abuts against a pipe wall of the hook returning pipe for sealing.
As a preferable scheme of the present invention, the pipe wall of the transition pipe is connected and communicated with an inlet pipe and an outlet pipe, and the inlet pipe can introduce a medium into the transition pipe, so that the first sealing elastic pad and the second sealing elastic pad are in pressure-maintaining sealing with the back hook pipe.
As a preferable scheme of the present invention, a tube wall portion of the transition tube is provided with a window, and the window is disposed on the transition tube along an axial direction of the transition tube.
As a preferred embodiment of the present invention, a first flange is connected to the connecting pipe, a second flange is connected to the transition pipe, and the connecting pipe and the transition pipe are fixedly connected by the first flange and the second flange, wherein the first sealing elastic pad is disposed between the first flange and the second flange.
As a preferable scheme of the present invention, a third flange is connected to an end of the transition pipe away from the connection pipe, the online gas pipeline cleaning device further includes a fourth flange, and the second sealing elastic pad is disposed between the third flange and the fourth flange.
As a preferable scheme of the invention, the gas pipeline online cleaning device further comprises a first drain pipe and a second drain pipe which are connected with and communicated with the gas pipeline, wherein the first drain pipe and the second drain pipe are arranged at two outer sides of the connecting pipe and used for containing sewage cleaned by the gas pipeline.
As a preferable scheme of the invention, a second sealing valve and a third sealing valve are connected to the first drain pipe; and a fourth sealing valve and a fifth sealing valve are connected to the second sewage draining pipe.
In a preferred embodiment of the present invention, the first sealing valve is a stop valve or a gate valve.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
according to the online cleaning device for the gas pipeline, the connecting pipe is preassembled on the gas pipeline, the first sealing elastic gasket and the second sealing elastic gasket on the transition pipe are used for sealing the back hook pipe, gas is prevented from leaking in the cleaning process of the gas pipeline, and then ammonia water led in through the cleaning pipe of the back hook pipe is used for cleaning tar and dirt on the gas pipeline, so that the purpose of online cleaning of the gas pipeline is achieved.
Drawings
Fig. 1 is a schematic structural diagram of an online cleaning device for a gas pipeline according to an embodiment of the present invention.
Fig. 2 is an enlarged view of a portion P in fig. 1.
Fig. 3 is an enlarged view of a portion Q in fig. 1.
Fig. 4 is a schematic structural diagram of an on-line cleaning device for a gas pipeline according to an embodiment of the present invention.
10, connecting pipes; 20. a first sealing valve; 30. a transition duct; 31. an inlet pipe; 32. an outlet pipe; 33. a window; 40. a back hooking pipe; 41. hooking; 50. cleaning the tube; 60. a first sealing gasket; 61. a first through hole; 70. a second sealing spring washer; 71. a second through hole; 81. a first drain pipe; 82. a second sewage draining pipe; 101. a first flange plate; 102. a second flange plate; 103. a third flange plate; 104. a fourth flange plate; 200. a gas pipeline; 201. a second sealing valve; 202. a third sealing valve; 203. a fourth seal valve; 204. and a fifth sealing valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1 to 4, an on-line cleaning apparatus for a gas pipeline according to an embodiment of the present invention includes a connecting pipe 10 connected and communicated with a gas pipeline 200, a first sealing valve 20 disposed on the connecting pipe 10, a transition pipe 30 connected to the connecting pipe 10, a back-hooking pipe 40, and a cleaning pipe 50.
In the present embodiment, a first sealing elastic pad 60 is disposed at a position where the transition pipe 30 of the present embodiment is connected to the connection pipe 10, wherein a first through hole 61 is formed on the first sealing elastic pad 60; the end of the transition pipe 30 far from the connection pipe 10 is covered with a second sealing elastic pad 70, and the second sealing elastic pad 70 is provided with a second through hole 71 matched with the first through hole 61 of the first sealing elastic pad 60. Moreover, the hooking pipe 40 can be inserted through the second through hole 71 of the second sealing elastic cushion 70 and the first through hole 61 of the first sealing elastic cushion 60, so that the hooking pipe 40 is pressed and sealed with the first sealing elastic cushion 60 and the second sealing elastic cushion 70; the cleaning pipe 50 can be fed through the hook back pipe 40 and the first sealing valve 20 into the gas pipe 200 to introduce ammonia water into the gas pipe 200 to clean the gas pipe 200.
It can be understood that, when the gas pipeline on-line cleaning device of the embodiment works, the connecting pipe 10 needs to be connected to the gas pipeline 200 in advance, and the first sealing valve 20 can be used for cutting off the passage between the connecting pipe 10 and the gas pipeline 200, so that the gas pipeline 200 can normally transmit gas; when the gas pipeline 200 needs to be cleaned, the hooking pipe 40 can be inserted through the second sealing elastic pad 70 and the first sealing elastic pad 60 to seal the hooking pipe 40, the second sealing elastic pad 70 and the first sealing elastic pad 60, then the first sealing valve 20 is opened to prevent the gas in the gas pipeline 200 from leaking outwards through the connecting pipe 10, then the cleaning pipe 50 is inserted into the gas pipeline 200 through the hooking pipe 40, and then ammonia water is introduced into the gas pipeline 200 to clean tar and dirt in the gas pipeline 200, so that the gas pipeline 200 can be cleaned on line. It should be noted that the ammonia water introduced from the cleaning pipe 50 is high-pressure ammonia water, and the tar dirt can be dissolved in the introduced ammonia water, so that the tar dirt can be effectively cleaned, and the introduced ammonia water meets the use requirement of coke oven production.
In the present embodiment, the center line of the first through hole 61 and the center line of the second through hole 71 are arranged on the same straight line, wherein the aperture of the first through hole 61 and the aperture of the second through hole 71 are smaller than the pipe diameter of the hook returning pipe 40, so that the hook returning pipe 40 is pressed against the first sealing elastic pad 60 and the second sealing elastic pad 70, and the assembly and sealing of the hook returning pipe 40 and the first sealing elastic pad 60 and the second sealing elastic pad 70 are realized. That is, the hook return pipe 40 of the present embodiment is sealed with the first and second sealing elastic washers 60 and 70, thereby preventing gas in the gas pipe 200 from leaking out of the connection pipe 10.
In the present embodiment, the hook 41 is connected to the end portion of the hook pipe 40 inserted into the second sealing elastic pad 70 and the first sealing elastic pad 60, and the hook pipe 40 can drive the hook 41 to act on the first sealing elastic pad 60 toward the second sealing elastic pad 70, so that the peripheral portion of the first through hole 61 on the first sealing elastic pad 60 is folded toward the second sealing elastic pad 70 and is pressed and sealed with the pipe wall of the hook pipe 40. That is, the portion of the first sealing gasket 60 sealed with the hooking pipe 40 of the present embodiment is folded back in the direction of the second sealing gasket 70, thereby securing the sealing effect between the first sealing gasket 60 and the hooking pipe 40.
Further, the transition pipe 30 of the present embodiment has an inlet pipe 31 and an outlet pipe 32 connected to and communicated with each other, and the inlet pipe 31 can introduce a medium into the transition pipe 30 to seal the first and second sealing gaskets 60 and 70 with the back hook pipe 40 under pressure. That is, the medium introduced into the transition pipe 30 can generate a force on the first sealing elastic gasket 60 and the second sealing elastic gasket 70 acting on the hooking pipe 40, so as to increase the interaction force between the first sealing elastic gasket 60 and the second sealing elastic gasket 70 and the hooking pipe 40, i.e., further ensure the sealing effect between the first sealing elastic gasket 60 and the second sealing elastic gasket 70 and the hooking pipe 40.
Moreover, the wall portion of the transition pipe 30 of the present embodiment is set as the window 33, and the window 33 is disposed on the transition pipe 30 along the axial direction of the transition pipe 30, so that when people use the online cleaning device for gas conduit to clean the gas conduit 200, the amount of the medium introduced into the transition pipe 30, and whether the introduced medium leaks or not and the sealing is not tight can be observed through the window 33, so as to facilitate the control of the medium introduced into the transition pipe 30.
In the present embodiment, the first flange 101 is connected to the connection pipe 10, the second flange 102 is connected to the transition pipe 30, and the connection pipe 10 and the transition pipe 30 are connected and fixed by the first flange 101 and the second flange 102, thereby facilitating the assembly connection of the transition pipe 30 and the connection pipe 10. Wherein the first sealing gasket 60 is disposed at a position between the first flange 101 and the second flange 102, thereby achieving a position where the first sealing gasket 60 is fitted between the connection pipe 10 and the transition pipe 30. And thus has the function of facilitating the assembly of the first sealing gasket 60 between the connection pipe 10 and the transition pipe 30. The first flange 101 of the connection pipe 10 and the second flange 102 of the transition pipe 30 of the present embodiment are fastened and fixed by bolts and nuts.
In addition, the transition pipe 30 of the present embodiment is provided with a third flange 103 at an end far away from the connection pipe 10, the gas pipeline on-line cleaning device further includes a fourth flange 104, and the second elastic sealing gasket 70 is disposed between the third flange 103 and the fourth flange 104, so as to realize the assembly connection of the second elastic sealing gasket 70 on the transition pipe 30 at the end far away from the connection pipe 10, so as to assemble the second elastic sealing gasket 70 on the end of the transition pipe 30 at the side far away from the connection pipe 10.
As a preferable aspect of the present invention, the online cleaning apparatus for a gas conduit of the present embodiment further includes a first drain pipe 81 and a second drain pipe 82 connected to and communicated with the gas conduit 200, and the first drain pipe 81 and the second drain pipe 82 are disposed at both outer sides of the connection pipe 10 to receive the sewage cleaned by the gas conduit 200. That is, when the online gas pipeline cleaning device of the present embodiment is in operation, the cleaned sewage in the gas pipeline 200 can enter the first drain pipe 81 and the second drain pipe 82, so as to prevent the cleaned sewage from mixing with the gas transportation in the gas pipeline 200, and avoid the influence of the sewage generated after cleaning in the gas pipeline 200 on the normal gas transportation of the gas pipeline 200 to the gas.
Among them, the first drain pipe 81 of the present embodiment is connected with a second sealing valve 201 and a third sealing valve 202; and a fourth sealing valve 203 and a fifth sealing valve 204 are connected to the second sewage draining pipe 82. When the online gas pipeline cleaning device works, the second sealing valve 201 and the fourth sealing valve 203 can be opened, the third sealing valve 202 and the fifth sealing valve 204 are closed, so that sewage generated by cleaning tar dirt in the gas pipeline 200 can enter the position between the second sealing valve 201 and the third sealing valve 202 on the first sewage discharge pipe 81 and/or enter the position between the fourth sealing valve 203 and the fifth sealing valve 204 on the second sewage discharge pipe 82 from the gas pipeline 200, then the second sealing valve 201 and the fourth sealing valve 203 are closed, the third sealing valve 202 and the fifth sealing valve 204 are opened, and the sewage reserved in the first sewage discharge pipe 81 and the second sewage discharge pipe 82 can be discharged outwards.
In addition, the first seal valve 20 of the present embodiment is a stop valve or a gate valve, so that the cleaning pipe 50 can smoothly pass through the first seal valve 20 and enter the gas pipe 200.
In summary, the gas pipeline on-line cleaning device provided by the invention prevents gas from leaking in the cleaning process of the gas pipeline by preassembling the connecting pipe on the gas pipeline and sealing the back hook pipe by using the first sealing elastic pad and the second sealing elastic pad on the transition pipe, and then cleans tar and dirt on the gas pipeline by using ammonia water introduced through the cleaning pipe of the back hook pipe, so that the purpose of on-line cleaning of the gas pipeline is achieved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express a few embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The online cleaning device for the gas pipeline is characterized by comprising a connecting pipe, a first sealing valve and a transition pipe, wherein the connecting pipe is connected and communicated with the gas pipeline; a second sealing elastic pad is covered on one end of the transition pipe far away from the connecting pipe in a sealing manner, and a second through hole matched with the first through hole on the first sealing elastic pad is formed in the second sealing elastic pad; the on-line cleaning device for the gas pipeline further comprises a hook returning pipe and a cleaning pipe, wherein the hook returning pipe can be inserted through a second through hole of the second sealing elastic cushion and a first through hole of the first sealing elastic cushion so as to enable the hook returning pipe to be pressed and sealed with the first sealing elastic cushion and the second sealing elastic cushion; the cleaning pipe can enter the gas pipeline through the hook returning pipe and the first sealing valve and is used for guiding ammonia water into the gas pipeline so as to clean the gas pipeline.
2. The on-line cleaning device for the gas pipeline according to claim 1, wherein a circle center line of the first through hole and a circle center line of the second through hole are arranged on the same straight line, and a hole diameter of the first through hole and a hole diameter of the second through hole are smaller than a pipe diameter of the hook returning pipe.
3. The on-line cleaning device for the gas pipeline according to claim 2, wherein a hook is connected to the end portion of the hook returning pipe inserted into one side of the second sealing elastic pad and the first sealing elastic pad, and the hook returning pipe can drive the hook to act on the first sealing elastic pad in a direction towards the second sealing elastic pad, so that the peripheral portion of the first through hole in the first sealing elastic pad is folded in a direction towards the second sealing elastic pad and is pressed and sealed with the pipe wall of the hook returning pipe.
4. The on-line cleaning device for the gas pipeline as claimed in claim 3, wherein the wall of the transition pipe is connected and communicated with an inlet pipe and an outlet pipe, and the inlet pipe can introduce a medium into the transition pipe so as to ensure that the first sealing elastic gasket and the second sealing elastic gasket are in pressure-maintaining sealing with the back hook pipe.
5. The on-line cleaning device for the gas pipeline as claimed in claim 4, wherein a pipe wall portion of the transition pipe is provided with a window, and the window is arranged on the transition pipe along the axial direction of the transition pipe.
6. The on-line cleaning device for the gas pipeline as claimed in claim 1, wherein a first flange is connected to the connecting pipe, a second flange is connected to the transition pipe, the connecting pipe and the transition pipe are fixedly connected through the first flange and the second flange, and the first sealing elastic pad is arranged between the first flange and the second flange.
7. The gas pipeline online cleaning device of claim 1, wherein a third flange is connected to an end of the transition pipe remote from the connection pipe, the gas pipeline online cleaning device further comprising a fourth flange, and the second sealing elastic pad is disposed between the third flange and the fourth flange.
8. The on-line cleaning device for the gas pipeline as claimed in claim 1, further comprising a first drain pipe and a second drain pipe connected and communicated with the gas pipeline, wherein the first drain pipe and the second drain pipe are arranged at two outer sides of the connecting pipe and used for containing sewage cleaned by the gas pipeline.
9. The on-line cleaning device for the gas pipeline according to claim 8, wherein a second sealing valve and a third sealing valve are connected to the first drain pipe; and a fourth sealing valve and a fifth sealing valve are connected to the second sewage draining pipe.
10. The on-line cleaning device for the gas pipeline as claimed in claim 1, wherein the first sealing valve is a stop valve or a gate valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011505230.5A CN112517557B (en) | 2020-12-18 | 2020-12-18 | Online cleaning device for gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011505230.5A CN112517557B (en) | 2020-12-18 | 2020-12-18 | Online cleaning device for gas pipeline |
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| CN112517557A true CN112517557A (en) | 2021-03-19 |
| CN112517557B CN112517557B (en) | 2022-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011505230.5A Active CN112517557B (en) | 2020-12-18 | 2020-12-18 | Online cleaning device for gas pipeline |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112775120A (en) * | 2021-02-01 | 2021-05-11 | 临涣焦化股份有限公司 | Cleaning device for negative pressure section of gas pipeline |
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