CN113682441A - Method for cleaning large-caliber long pipeline of ship by using cleaning foam bomb - Google Patents
Method for cleaning large-caliber long pipeline of ship by using cleaning foam bomb Download PDFInfo
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- CN113682441A CN113682441A CN202110737995.XA CN202110737995A CN113682441A CN 113682441 A CN113682441 A CN 113682441A CN 202110737995 A CN202110737995 A CN 202110737995A CN 113682441 A CN113682441 A CN 113682441A
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- Prior art keywords
- cleaning
- pipe
- bomb
- foam
- air inlet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B59/00—Hull protection specially adapted for vessels; Cleaning devices specially adapted for vessels
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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
- B08B9/057—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 being entrained discrete elements, e.g. balls, grinding elements, brushes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a method for cleaning a large-caliber long pipeline of a ship by using a cleaning foam bomb, which comprises the following steps: pushing the cleaning foam bomb into the pipe from the pipe opening, and ensuring that the cleaning foam bomb does not leak out of the pipe opening; connecting a first end of a pipe pushed into the clean foam bomb with a first end of an air inlet pipe, and connecting a second end of the air inlet pipe with a clean air source; pushing the cleaning foam bomb out of the second end of the tube by means of the air pressure of the cleaning air source. The invention can make up the limitation of the traditional cleaning air gun on cleaning the large-caliber long pipeline, has simple structure, convenient installation and disassembly, repeated utilization, high cleaning quality, reduced working period, lowered oil leakage and other production costs, and can be widely applied to the cleaning process of various ship pipeline systems.
Description
Technical Field
The invention belongs to the field of ship construction, and particularly relates to a method for cleaning a large-caliber long pipeline of a ship by using a cleaning foam bomb.
Background
In the ship building process, the cleaning work of the pipeline system is common, but the cleaning method, the cost and the cleaning effect often bring great restrictions to the manufacture of the ship. The cleaning foam bomb can be used for well removing various garbage impurities on the inner wall of the pipeline. In the process that the traditional cleaning air gun is used for cleaning a pipeline, repeated attempts find that the traditional cleaning air gun is low in use pressure, poor in sealing performance and required to be fixed and used manually, is only suitable for cleaning foam bombs of small-caliber pipelines with the outer diameter smaller than 100MM, and cannot clean large-caliber long pipelines.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a method for cleaning a large-caliber long pipeline of a ship by using a cleaning foam bomb. The cleaning tool is connected with the pipeline to be cleaned by the bolt or the Strobo joint, so that the sealing property between the cleaning tool and the pipeline to be cleaned is guaranteed, and the cleaning tool is connected with the Strobo joint by the bolt without being limited by the difficulty in manually fixing the cleaning air gun in the previous cleaning process, so that the pressure and the flow of a cleaning air source can be improved, and the aim of cleaning the pipeline with a large caliber can be fulfilled.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method of cleaning a large diameter long pipeline of a marine vessel with a cleaning foam bomb, the method comprising: pushing the cleaning foam bomb into the pipe from the pipe opening, and ensuring that the cleaning foam bomb does not leak out of the pipe opening; connecting a first end of a pipe pushed into the clean foam bomb with a first end of an air inlet pipe, and connecting a second end of the air inlet pipe with a clean air source; pushing the cleaning foam bomb out of the second end of the tube by means of the air pressure of the cleaning air source.
Preferably, the first end of the pipe is provided with a flange, and the first end of the air inlet pipe is firstly connected with a connecting flange and then connected with the first end of the pipe through the connecting flange.
Preferably, a gasket is provided between the connecting flange and the flange on the first end of the pipe.
Preferably, the first end of the pipe is not provided with a flange, and one end of the air inlet pipe is connected with a short connecting pipe, and the short connecting pipe is connected with the first end of the pipe through a Stroke joint.
Preferably, the connecting short pipe comprises an end cover and a short pipe with the same specification as the pipe, the end cover is connected to one end of the short pipe, the other end of the short pipe is connected with the first end of the pipe through a stroll joint, and the end cover is connected with the air inlet pipe.
Preferably, the end cap is threadedly connected to the air inlet pipe.
Preferably, an air inlet valve is connected between the air inlet pipe and the clean air source.
Preferably, the pressure of the cleaning gas source is 1-1.5MPA, the outer diameter of the pipe is 100-219mm, and the length of the pipe is 1-170 m.
Preferably, the cleaning foam sheet is divided into a friction sheet and a cleaning bullet, the cleanliness of the cleaned pipeline is verified by checking the cleanliness of the cleaning foam bullet pushed out of the pipe by using the friction sheet and then the cleaning bullet, and the pipeline is cleaned by using an endoscope if necessary.
Compared with the prior art, the invention has the beneficial effects that: can compensate the clear restriction to large-diameter long pipeline of traditional clean air gun, the device simple structure of adoption, it is very convenient to install and dismantle, can reuse, and clean high quality reduces duty cycle, reduces the manufacturing cost such as cluster oil, but wide application in multiple boats and ships pipe-line system's clean in-process.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a half-sectional view of the apparatus of the present invention for connection to a flangeless pipe to be cleaned.
FIG. 2 is a half sectional view of the apparatus of the present invention with a flanged pipe to be cleaned.
Fig. 3 is a schematic view of the state of connection with a flanged pipe to be cleaned.
Fig. 4 is a schematic view of the state of connection with a flanged pipe to be cleaned.
Wherein the reference numerals are specified as follows: the cleaning device comprises an air inlet valve 1, an air inlet pipe 2, a connecting flange 3, an end cover 4, a short pipe 5, a Strobo joint 6, a to-be-cleaned flangeless pipeline 7, a gasket 8, a bolt 9, a to-be-cleaned flanged pipeline 10, a cleaning foam bomb 11 and a connecting short pipe 12.
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 obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1-4, the present embodiment provides a method for cleaning a long pipeline with a large diameter by using a cleaning foam bomb for cleaning the pipeline by using the foam bomb.
The embodiment comprises the following steps:
firstly, manufacturing a tool for cleaning a large-caliber long pipeline by using a cleaning foam bomb; the tool for cleaning the large-caliber long pipeline by using the cleaning foam bomb comprises an air inlet valve 1, an air inlet pipe 2 and a short connecting pipe 12 (or a connecting flange 3). The two ends of the air inlet pipe 2 are both provided with external threads, one end of the air inlet pipe 2 is connected with the air inlet valve 1, and the other end of the air inlet pipe 2 is connected with the short connecting pipe 12 (or the connecting flange 3). The short connecting pipe 12 is formed by integrating the short pipe 5 and the end cover 4 in a welding mode, a through hole is formed in the center of the end face of the end cover 4, an internal thread is arranged in the through hole, and the internal thread is matched with the external thread of the air inlet pipe 2. The connecting flange 3 is made of a blind flange, a through hole is formed in the middle of the end face of the blind flange, an internal thread is arranged in the through hole, and the internal thread is matched with the external thread of the air inlet pipe 2. The short connecting pipes 12 can be manufactured into short connecting pipes with various outer diameters according to the size of the cleaned pipeline, but the inner threads of the end covers 4 of the manufactured short connecting pipes are matched with the outer threads of the air inlet pipes 2. The connecting flange 3 with various outer diameters can be manufactured according to the size of the cleaned pipeline flange, but the internal threads of the manufactured connecting flange 3 are matched with the external threads of the air inlet pipe 2.
Assembling a tool for cleaning the large-caliber long pipeline by using a cleaning foam bomb; one end of an air inlet pipe 2 is connected with the air inlet valve 1, and the other end of the air inlet pipe is connected with a short connecting pipe 12 (or a connecting flange 3); the air inlet valve 1, the air inlet pipe 2 and the short connecting pipe 12 (or the connecting flange 3) are all made of stainless steel materials, so that the cleaning is convenient. The cleaning foam bomb 11 is divided into two forms of friction bomb and cleaning bomb, and the cleaning foam bomb 11 is manufactured according to the size of the flange-free pipeline 7 to be cleaned (or the flange pipeline 10 to be cleaned).
Step three, filling a clean foam bomb 11; pushing a cleaning foam bomb 11 with a corresponding size into the flange-free pipeline 7 to be cleaned (or the flange pipeline 10 to be cleaned) from the pipe orifice to ensure that the foam bomb 11 cannot leak out of the pipe orifice; in principle, firstly, the friction bomb is used for cleaning, and then, the cleaning bomb is used for cleaning;
step four, connecting the tool to a pipeline needing to be cleaned; the connection flange 3 is bolted to the pipe 10 to be cleaned or the connection stub 12 is connected to the flangeless pipe 7 to be cleaned with a strouho joint 6;
connecting the air inlet valve 1 to a clean air source of 1-1.5MPA, opening the air inlet valve 1, and using the clean air source to hold the clean foam bomb 11 out of the pipeline from the other end of the pipe to finish one-time cleaning of the pipeline;
and step six, verifying the cleanliness of the to-be-cleaned flangeless pipeline 7 (or the to-be-cleaned flanged pipeline 10) by checking the cleanliness of the shot cleaning bomb 11, cleaning the pipeline by using an endoscope if necessary, repeating the step three to the step six if necessary, finishing the cleaning of the pipeline after the cleaning requirement is met, and dismantling the tool.
The invention makes up the limitations of low pressure and poor sealing performance in the cleaning of large-caliber long pipelines of the traditional cleaning air gun, has simple structure, convenient installation and disassembly, repeated utilization, high cleaning quality, reduced working period, reduced production cost of oil leakage and the like, and can be widely applied to the cleaning process of various ship pipeline systems.
The invention has been practically proved to be feasible, the maximum pipe outer diameter reaches 219mm in practical operation, and the longest pipeline reaches 170m, but according to the research of practical operation, the invention is not limited to the pipe diameter and the length in experiments. The cleaning foam bomb comprises a friction bomb and a cleaning bomb, and the friction bomb is used for cleaning for a plurality of times in the actual use process, and then the cleaning bomb is used for cleaning the pipeline.
Although the present invention has been described in detail with respect to the above embodiments, it will be understood by those skilled in the art that modifications or improvements based on the disclosure of the present invention may be made without departing from the spirit and scope of the invention, and these modifications and improvements are within the spirit and scope of the invention.
Claims (9)
1. A method of cleaning a long, large-bore pipeline of a marine vessel with a cleaning foam bomb, the method comprising:
pushing the cleaning foam bomb into the pipe from the pipe opening, and ensuring that the cleaning foam bomb does not leak out of the pipe opening; connecting a first end of a pipe pushed into the clean foam bomb with a first end of an air inlet pipe, and connecting a second end of the air inlet pipe with a clean air source;
pushing the cleaning foam bomb out of the second end of the tube by means of the air pressure of the cleaning air source.
2. The method for cleaning large-diameter long pipelines of ships according to claim 1, wherein the first end of the pipe is provided with a flange, and the first end of the air inlet pipe is firstly connected with a connecting flange and then connected with the first end of the pipe through the connecting flange.
3. The method of claim 2, wherein a gasket is disposed between the connection flange and the flange on the first end of the pipe.
4. The method for cleaning a long, large-caliber pipeline of a ship using a cleaning foam bomb as set forth in claim 1, wherein if the first end of the pipe is not flanged, one end of the intake pipe is connected to a short connection pipe, and the short connection pipe is connected to the first end of the pipe through a stroll joint.
5. The method of claim 4, wherein the short connecting pipe comprises a short pipe of the same size as the pipe and an end cap connected to one end of the short pipe, the other end of the short pipe is connected to the first end of the pipe through a Strobo joint, and the end cap is connected to the air inlet pipe.
6. The method for cleaning a long, large-diameter pipeline of a ship using a cleaning foam bomb as set forth in claim 5, wherein said end cap is threadedly connected to said air inlet pipe.
7. The method of claim 1, wherein an air inlet valve is connected between the air inlet pipe and the clean air source.
8. The method for cleaning large-diameter long pipelines of ships by using cleaning foam cartridges as claimed in claim 1, wherein the pressure of the cleaning gas source is 1-1.5MPA, the outside diameter of the pipe is 100-219mm, and the length of the pipe is 1-170 m.
9. The method for cleaning large-diameter long pipelines of ships according to claim 1, wherein the cleaning foam sheet is divided into a friction sheet and a cleaning sheet, and the cleanliness of the cleaned pipelines is verified by checking the cleanliness of the cleaning foam sheet pushed out of the pipeline by using the friction sheet and the cleaning sheet, and if necessary, the pipelines are cleaned by endoscopy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110737995.XA CN113682441A (en) | 2021-06-30 | 2021-06-30 | Method for cleaning large-caliber long pipeline of ship by using cleaning foam bomb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110737995.XA CN113682441A (en) | 2021-06-30 | 2021-06-30 | Method for cleaning large-caliber long pipeline of ship by using cleaning foam bomb |
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| Publication Number | Publication Date |
|---|---|
| CN113682441A true CN113682441A (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110737995.XA Pending CN113682441A (en) | 2021-06-30 | 2021-06-30 | Method for cleaning large-caliber long pipeline of ship by using cleaning foam bomb |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115156212A (en) * | 2022-06-23 | 2022-10-11 | 大连东软信息学院 | Marine large-diameter piping system aeroelastic cleaning and air tightness test device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5186757A (en) * | 1991-08-26 | 1993-02-16 | Abney Sr Marvin D | Pig loading system and method thereof |
| KR20120090722A (en) * | 2011-02-08 | 2012-08-17 | 김도경 | The pipe cleaning apparatus equipped long pipeline |
| CN202667207U (en) * | 2012-06-09 | 2013-01-16 | 深圳市清雅科技有限公司 | Flange type cleaning device for pneumatic bullet pipeline |
| CN203124366U (en) * | 2012-06-09 | 2013-08-14 | 深圳市清雅科技有限公司 | Thread pneumatic bullet pipeline cleaning device |
| CN211052102U (en) * | 2019-10-12 | 2020-07-21 | 西安理工大学 | Hand-held pneumatic elastic tube cleaning device |
-
2021
- 2021-06-30 CN CN202110737995.XA patent/CN113682441A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5186757A (en) * | 1991-08-26 | 1993-02-16 | Abney Sr Marvin D | Pig loading system and method thereof |
| KR20120090722A (en) * | 2011-02-08 | 2012-08-17 | 김도경 | The pipe cleaning apparatus equipped long pipeline |
| CN202667207U (en) * | 2012-06-09 | 2013-01-16 | 深圳市清雅科技有限公司 | Flange type cleaning device for pneumatic bullet pipeline |
| CN203124366U (en) * | 2012-06-09 | 2013-08-14 | 深圳市清雅科技有限公司 | Thread pneumatic bullet pipeline cleaning device |
| CN211052102U (en) * | 2019-10-12 | 2020-07-21 | 西安理工大学 | Hand-held pneumatic elastic tube cleaning device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115156212A (en) * | 2022-06-23 | 2022-10-11 | 大连东软信息学院 | Marine large-diameter piping system aeroelastic cleaning and air tightness test device |
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