CN107907427A - A kind of pipeline pressure testing device and application method - Google Patents
A kind of pipeline pressure testing device and application method Download PDFInfo
- Publication number
- CN107907427A CN107907427A CN201711485393.XA CN201711485393A CN107907427A CN 107907427 A CN107907427 A CN 107907427A CN 201711485393 A CN201711485393 A CN 201711485393A CN 107907427 A CN107907427 A CN 107907427A
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- China
- Prior art keywords
- pressure testing
- pipeline
- pressure
- expansion tube
- unit
- Prior art date
- 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.)
- Pending
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- 238000012360 testing method Methods 0.000 title claims abstract description 139
- 238000000034 method Methods 0.000 title claims description 8
- 230000008961 swelling Effects 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 238000002474 experimental method Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000000748 compression moulding Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 description 4
- 108091006146 Channels Proteins 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 102000011899 Aquaporin 2 Human genes 0.000 description 1
- 108010036221 Aquaporin 2 Proteins 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0044—Pneumatic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention provides a kind of pipeline pressure testing device, the present apparatus is suitable for the pressure testing of various pipes of the pressure less than 3.0MPa, including pressure testing unit and presser unit；The presser unit is connected by pipeline with pressure testing unit；The pressure testing unit, which is placed in, to be treated inside pressure testing pipeline, and the presser unit, which is placed in, treats pressure testing pipeline external.The present invention uses rubber swelling pipe（Inflatable pipe）It is in close contact with pressure testing inner-walls of duct to reach sealing pipeline purpose, and pressure testing is simply reusable.
Description
Technical field
The present invention relates to pipeline pressure test field, more particularly to a kind of pipeline pressure testing device and its application method.
Background technology
Traditional approach is cut away, wasting manpower and material resources again using welding closure plate after the completion of pressure testing during various pipeline pressure tests.Especially
It is necessary one flange sleeve of welding of each pressure testing of steel skeleton polyethylene plastic composite pipe and electric melting tube hoop, and can not repeat to make
With causing great waste.
The content of the invention
, can be quickly to pressure the present invention provides a kind of pipeline pressure testing device in order to solve the relevant issues of this area
Various pipes of the power less than 3.0MPa carry out pressure testing.
The purpose of the present invention is realized by following scheme：
A kind of pipeline pressure testing device, the present apparatus are suitable for the pressure testing of various pipes of the pressure less than 3.0MPa, it is characterised in that bag
Include pressure testing unit and presser unit；The presser unit is connected by pipeline with pressure testing unit；The pressure testing unit, which is placed in, to be waited to try
Inside pressure pipeline, the presser unit, which is placed in, treats pressure testing pipeline external.
Preferably, the pressure testing unit includes pressure testing pipeline stack shell, expansion tube, pipeline clamp and turnbuckle；It is described
Expansion tube has toughness, being capable of convergent-divergent.
Preferably, the expansion tube is rubber swelling pipe；The pipeline clamp is fixed on by turnbuckle treats pressure testing
The outside of pipeline.
Preferably, the pressure testing pipeline stack shell is hollow round tube, its caliber, which is slightly less than, treats pressure testing pipeline.
Preferably, the expansion tube is arranged on pressure testing pipeline stack shell and treats between pressure testing pipeline.
Preferably, one end welding perforation flange fixed disk of the pressure testing pipeline stack shell；The expansion tube both ends use liquid
Crimp head crimps.
Preferably, the presser unit includes expansion tube compression module and pressure testing pipeline compression module.
Preferably, the pressure testing pipeline compression module includes force (forcing) pump, valve, pressure gauge, water pipe；The valve is set
Put and be arranged in the side of the nearly pressure testing unit of force (forcing) pump, the pressure gauge on water pipe；One end of the water pipe connects
Connect force (forcing) pump, other end connection pressure testing unit.
Preferably, the expansion tube compression module includes gas pressurization module and liquid pressing module；The expansion tube adds
Die block includes force (forcing) pump, valve, pressure gauge, pipeline；The valve is arranged on the side of the nearly pressure testing unit of force (forcing) pump, described
Pressure gauge is arranged on pipeline；One end connection force (forcing) pump of the pipeline, other end connection pressure testing unit.
The liquid pressing mould liquid in the block is water, and water tank is not limited in the source of water, has water source to meet needed for pressure testing
Water, the requirement to water quality is essentially from tap water or clean water source, it is therefore an objective to ensures that pipeline and device be not contaminated.
Gas in gas pressurization module can be air, as long as not influencing the use of expansion tube.
Another aspect of the invention is a kind of application method of pipeline pressure testing device, include the following steps：
（1）Pressure testing unit is placed in and is treated inside pressure testing pipeline, the pressure testing pipeline stack shell in the pressure testing unit is fixed by flange
Disk and bolt are with treating that pressure testing pipeline is attached；
（2）By force (forcing) pump to expansion tube internal pressurization so that expansion tube after pressure testing pipeline completely extruding with stopping pressurizeing；
（3）Pressure testing is carried out to pressure testing pipeline stack shell internal pressurization after pressure stability inside expansion tube, when in pressure testing pipeline stack shell
The pressure in portion is more than when the 0.2MPa of the contrived experiment pressure of pressure testing pipeline, stops pressurization.
The purpose of the present invention is overcoming the serious waste of above-mentioned manpower and materials, using rubber swelling pipe（Inflatable pipe）With examination
Pressure pipeline inner wall is in close contact to reach sealing pipeline purpose, and pressure testing is simply reusable.The present invention uses rubber swelling
Pipe both ends are crimped using hydraulic joint, and there is pipeline pressure test intake tunnel in centre.
Brief description of the drawings
Fig. 1 is the device profile of the product of the application；
Fig. 2 is the device profile of the product of the application；
The inlet opening of 1- rubber swelling pipes；The intake tunnel of 2- pressure testing pipeline stack shells；3- rubber swelling pipes；4- treats pressure testing pipeline；
5- pipeline clamps；6- turnbuckles.
Embodiment
Below in conjunction with the accompanying drawings, detailed explanation is carried out to the present invention.
Embodiment 1
A kind of pipeline pressure testing device, the present apparatus are suitable for the pressure testing of various pipes of the pressure less than 3.0MPa, it is characterised in that bag
Include pressure testing unit and presser unit；The presser unit is connected by pipeline with pressure testing unit；The pressure testing unit, which is placed in, to be waited to try
The inside of pressure pipeline 4, the presser unit are placed in the outside for treating pressure testing pipeline 4.The pressure testing unit include pressure testing pipeline stack shell,
Expansion tube, pipeline clamp 5 and turnbuckle 6；The expansion tube has toughness, being capable of convergent-divergent.The expansion tube is rubber
Glue expansion tube 3；The rubber swelling pipe 3 is provided with inlet opening 1；The pipeline clamp 5 is fixed on by turnbuckle 6 to be waited to try
The outside of pressure pipeline 4.The pressure testing pipeline stack shell is hollow round tube, its caliber, which is slightly less than, treats pressure testing pipeline, inside be into
Aquaporin 2.The expansion tube is arranged on pressure testing pipeline stack shell and treats between pressure testing pipeline 4.One end of the pressure testing pipeline stack shell
Welding perforation flange fixed disk；The expansion tube both ends are crimped using hydraulic joint.The presser unit is pressurizeed including expansion tube
Module and pressure testing pipeline compression module.The pressure testing pipeline compression module includes force (forcing) pump, valve, pressure gauge, water pipe；Institute
The side that valve is arranged on the nearly pressure testing unit of force (forcing) pump is stated, the pressure gauge is arranged on water pipe；The water pipe
One end connection force (forcing) pump, the other end connection pressure testing unit.The expansion tube compression module includes gas pressurization module and liquid
Compression module；The expansion tube compression module includes force (forcing) pump, valve, pressure gauge, pipeline；The valve is arranged on force (forcing) pump
The side of nearly pressure testing unit, the pressure gauge are arranged on pipeline；One end connection force (forcing) pump of the pipeline, other end connection examination
Press unit.
Embodiment 2
A kind of application method of pipeline pressure testing device, includes the following steps：
（1）Pressure testing unit is placed in and is treated inside pressure testing pipeline, the pressure testing pipeline stack shell in the pressure testing unit is fixed by flange
Disk and turnbuckle are with treating that pressure testing pipeline is attached；
（2）By force (forcing) pump to expansion tube internal pressurization so that expansion tube after pressure testing pipeline completely extruding with stopping pressurizeing；
（3）Pressure testing is carried out to pressure testing pipeline stack shell internal pressurization after pressure stability inside expansion tube, when in pressure testing pipeline stack shell
The pressure in portion is more than when the 0.2MPa of the contrived experiment pressure of pressure testing pipeline, stops pressurization.
Embodiment 3
Pressure testing is carried out to the pipeline that design pressure is 1.5MPa：
The pressure testing pipeline stack shell of the application is inserted into and is treated in pressure testing pipeline, passes through tension with the flange fixed disk on pressure testing device
Bolt is fixed with pressure testing pipeline to be ensured to loosen in follow-up pressure process.After the completion of fixation, by inlet opening to logical
Cross expansion tube inlet opening and carry out water filling, then carrying out pressurization to expansion tube by force (forcing) pump makes expansion tube be squeezed completely with pressure testing pipeline
Pressure, reaches the effect being fully sealed, and then stops pressurization, observes pressure gauge, the opening conduits after the pressure stability in expansion tube
Inlet valve, the water-filling into pipeline, then pressurizes pressure testing pipeline with force (forcing) pump, if pipe design test pressure is
1.5MPa, then stop pressurization when pressure to be tested reaches 1.7MPa, close inlet channel valve, sentenced by observing pressure gauge reading
Whether disconnected pipeline reaches sealing effect.Discharge water if met the requirements, after pressure release and remove the device, carry out subsequent operation.
Embodiment 4
Pressure testing is carried out to the pipeline that design pressure is 2.5MPa：
The pressure testing pipeline stack shell of the application is inserted into and is treated in pressure testing pipeline, passes through tension with the flange fixed disk on pressure testing device
Bolt is fixed with pressure testing pipeline to be ensured to loosen in follow-up pressure process.After the completion of fixation, by inlet opening to logical
Expansion tube inlet opening injection air is crossed, then carrying out pressurization to expansion tube by force (forcing) pump makes expansion tube be squeezed completely with pressure testing pipeline
Pressure, reaches the effect being fully sealed, and then stops pressurization, observes pressure gauge, the opening conduits after the pressure stability in expansion tube
Inlet valve, the water-filling into pipeline, then pressurizes pressure testing pipeline with force (forcing) pump, if pipe design test pressure is
2.5MPa, then stop pressurization when pressure to be tested reaches 2.7MPa, close inlet channel valve, sentenced by observing pressure gauge reading
Whether disconnected pipeline reaches sealing effect.Discharge water if met the requirements, after pressure release and remove the device, carry out subsequent operation.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art is in the technical scope of present disclosure, the change or replacement that can readily occur in,
It should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection of claims
Subject to scope.
Claims (10)
1. a kind of pipeline pressure testing device, the present apparatus is suitable for the pressure testing of various pipes of the pressure less than 3.0MPa, it is characterised in that
Including pressure testing unit and presser unit；The presser unit is connected by pipeline with pressure testing unit；The pressure testing unit, which is placed in, to be treated
Inside pressure testing pipeline, the presser unit, which is placed in, treats pressure testing pipeline external.
2. pipeline pressure testing device according to claim 1, it is characterised in that the pressure testing unit includes pressure testing pipeline cylinder
Body, expansion tube, pipeline clamp and turnbuckle；The expansion tube has toughness, being capable of convergent-divergent.
3. pipeline pressure testing device according to claim 2, it is characterised in that the expansion tube is rubber swelling pipe；It is described
Pipeline clamp is fixed on the outside for treating pressure testing pipeline by turnbuckle.
4. pipeline pressure testing device according to claim 2, it is characterised in that the pressure testing pipeline stack shell is hollow circle
Pipe, its caliber, which is slightly less than, treats pressure testing pipeline.
5. pipeline pressure testing device according to claim 2, it is characterised in that the expansion tube is arranged on pressure testing pipeline stack shell
With treating between pressure testing pipeline.
6. pipeline pressure testing device according to claim 5, it is characterised in that one end welding of the pressure testing pipeline stack shell is passed through
Logical flange fixed disk；The expansion tube both ends are crimped using hydraulic joint.
7. pipeline pressure testing device according to claim 1, it is characterised in that the presser unit includes expansion tube compression molding
Block and pressure testing pipeline compression module.
8. pipeline pressure testing device according to claim 7, it is characterised in that the pressure testing pipeline compression module includes pressurization
Pump, valve, pressure gauge, water pipe；The valve is arranged on the side of the nearly pressure testing unit of force (forcing) pump, and the pressure gauge is set
On water pipe；One end connection force (forcing) pump of the water pipe, other end connection pressure testing unit.
9. pipeline pressure testing device according to claim 7, it is characterised in that the expansion tube compression module adds including gas
Die block and liquid pressing module；The expansion tube compression module includes force (forcing) pump, valve, pressure gauge, pipeline；The valve is set
Put and be arranged in the side of the nearly pressure testing unit of force (forcing) pump, the pressure gauge on pipeline；One end connection force (forcing) pump of the pipeline,
The other end connects pressure testing unit.
10. a kind of application method of pipeline pressure testing device, it is characterised in that include the following steps：
（1）Pressure testing unit is placed in and is treated inside pressure testing pipeline, the pressure testing pipeline stack shell in the pressure testing unit is fixed by flange
Disk and turnbuckle are with treating that pressure testing pipeline is attached；
（2）By force (forcing) pump to expansion tube internal pressurization so that expansion tube after pressure testing pipeline completely extruding with stopping pressurizeing；
（3）Pressure testing is carried out to pressure testing pipeline stack shell internal pressurization after pressure stability inside expansion tube, when in pressure testing pipeline stack shell
The pressure in portion is more than when the 0.2MPa of the contrived experiment pressure of pressure testing pipeline, stops pressurization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711485393.XA CN107907427A (en) | 2017-12-29 | 2017-12-29 | A kind of pipeline pressure testing device and application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711485393.XA CN107907427A (en) | 2017-12-29 | 2017-12-29 | A kind of pipeline pressure testing device and application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107907427A true CN107907427A (en) | 2018-04-13 |
Family
ID=61872141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711485393.XA Pending CN107907427A (en) | 2017-12-29 | 2017-12-29 | A kind of pipeline pressure testing device and application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107907427A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115326534A (en) * | 2021-05-10 | 2022-11-11 | 湖北建研科峰工程质量检测有限公司 | Quick installation device for pipe pressing test |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201268708Y (en) * | 2008-08-12 | 2009-07-08 | 上海宝冶建设有限公司 | Pressure test apparatus for expansion in blast furnace cooling wall pipeline |
| CN101561338A (en) * | 2009-05-11 | 2009-10-21 | 北京市市政工程研究院 | Pipeline pressure test method and device and special tool for beating variable diameter wedge |
| CN202141632U (en) * | 2011-05-31 | 2012-02-08 | 天津二十冶建设有限公司 | Connecting device for pressuring of middle or low pressure plain-end steel tube |
| CN202256036U (en) * | 2011-10-21 | 2012-05-30 | 中国十九冶集团有限公司 | Sealing device for pressure test of pipeline |
| CN103574215A (en) * | 2012-08-02 | 2014-02-12 | 五冶集团上海有限公司 | PE pipeline pressure test blind plate |
| CN203743715U (en) * | 2014-01-22 | 2014-07-30 | 重庆工业设备安装集团有限公司 | Blockage and pressure testing device of plastic water feeding pipeline |
| CN206146597U (en) * | 2016-11-03 | 2017-05-03 | 襄阳顺特阳光科技有限公司 | Quick end cap of pipeline pressure testing |
| CN106996901A (en) * | 2017-03-23 | 2017-08-01 | 中国海洋石油总公司 | Girth joint pressure test tool and pressure-measuring method in pipe |
| CN107478399A (en) * | 2017-09-22 | 2017-12-15 | 广州文冲船厂有限责任公司 | A kind of method that pressure testing is carried out to row's side of a ship outer tube |
-
2017
- 2017-12-29 CN CN201711485393.XA patent/CN107907427A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201268708Y (en) * | 2008-08-12 | 2009-07-08 | 上海宝冶建设有限公司 | Pressure test apparatus for expansion in blast furnace cooling wall pipeline |
| CN101561338A (en) * | 2009-05-11 | 2009-10-21 | 北京市市政工程研究院 | Pipeline pressure test method and device and special tool for beating variable diameter wedge |
| CN202141632U (en) * | 2011-05-31 | 2012-02-08 | 天津二十冶建设有限公司 | Connecting device for pressuring of middle or low pressure plain-end steel tube |
| CN202256036U (en) * | 2011-10-21 | 2012-05-30 | 中国十九冶集团有限公司 | Sealing device for pressure test of pipeline |
| CN103574215A (en) * | 2012-08-02 | 2014-02-12 | 五冶集团上海有限公司 | PE pipeline pressure test blind plate |
| CN203743715U (en) * | 2014-01-22 | 2014-07-30 | 重庆工业设备安装集团有限公司 | Blockage and pressure testing device of plastic water feeding pipeline |
| CN206146597U (en) * | 2016-11-03 | 2017-05-03 | 襄阳顺特阳光科技有限公司 | Quick end cap of pipeline pressure testing |
| CN106996901A (en) * | 2017-03-23 | 2017-08-01 | 中国海洋石油总公司 | Girth joint pressure test tool and pressure-measuring method in pipe |
| CN107478399A (en) * | 2017-09-22 | 2017-12-15 | 广州文冲船厂有限责任公司 | A kind of method that pressure testing is carried out to row's side of a ship outer tube |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115326534A (en) * | 2021-05-10 | 2022-11-11 | 湖北建研科峰工程质量检测有限公司 | Quick installation device for pipe pressing test |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180413 |
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| RJ01 | Rejection of invention patent application after publication |