CN103278379A - Pressure test special-purpose short tube and use method of the pressure test special-purpose short tube in segmental pressure test on long-distance pipe - Google Patents
Pressure test special-purpose short tube and use method of the pressure test special-purpose short tube in segmental pressure test on long-distance pipe Download PDFInfo
- Publication number
- CN103278379A CN103278379A CN2013101362819A CN201310136281A CN103278379A CN 103278379 A CN103278379 A CN 103278379A CN 2013101362819 A CN2013101362819 A CN 2013101362819A CN 201310136281 A CN201310136281 A CN 201310136281A CN 103278379 A CN103278379 A CN 103278379A
- Authority
- CN
- China
- Prior art keywords
- pressure testing
- short tube
- section
- special
- pressure test
- 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.)
- Granted
Links
Images
Abstract
The invention provides a pressure test special-purpose short tube and a use method of the pressure test special-purpose short tube in a segmental pressure test on a long-distance pipe. The pressure test special-purpose short tube comprises a short tube, a blind plate, a water filling pipe part, a drainpipe part, an instrument connection part and an exhaust pipe part. In long-distance pipe construction, two adjacent sections of simulation pressure test pipes are connected by the three pressure test special-purpose short tubes; and after two section pressure test, the pressure test special-purpose short tubes subjected to the pressure test are cut and then are re-connected to follow-up simulation pressure test sections so that multitime alternate use of the pressure test special-purpose short tubes is realized. Through the pressure test special-purpose short tube, pressure test water can be transferred from one pressure test section to the next pressure test section so that recycle of the pressure test water is realized.
Description
Technical field
The present invention relates to the pipeline construction technology field, relate in particular to the special-purpose short tube of a kind of pressure testing for the long-distance pipe pipe section pressure test and using method thereof.
Background technology
In the long-distance pipe construction, in order to shorten the construction period, often section construction, pipe section pressure test.In existing pipe section pressure test mode as shown in Figure 1, need weld blind plate respectively at each section, and install pressure testing servicing units such as water injection pipe, tensimeter, ajutage additional, carry out pressure testing; After pressure testing is qualified the pressure testing water is discharged, cutting is blind plate and other pressure testing servicing unit down, shutoff dewatering outlet, water filling port and tensimeter port; Afterwards, prepare one section short tube according to code requirement and with the actual range of following segment pipe, with this short tube two sections adjacent pipelines of pressure testing are coupled together.Because in this pipe section pressure test mode, material such as blind plate and pressure testing water can only use once, and all will install and dismantle at every turn various servicing units again additional, and this mode is for the long-distance pipe construction, the cost height, and workload is big.
In order to solve described problem, the invention provides the special-purpose short tube of a kind of pressure testing that can reuse and a kind of pressure-measuring method that utilizes the special-purpose short tube of this pressure testing can reuse the pressure testing water, to save the pressure testing cost, reduce workload.
Summary of the invention
In view of described problem, the invention provides the special-purpose short tube of a kind of pressure testing for the long-distance pipe pipe section pressure test and using method, it can reuse pressure testing device and pressure testing water, thereby reduces cost and reduce workload.
According to an aspect of the present invention, provide a kind of pressure testing special-purpose short tube, comprising:
The metal tube that short tube, diameter are can be with intending the pressure testing pipeline suitable, its length direction has been reserved the repeatedly surplus of cutting;
Blind plate is welded on the sheet metal of short tube inside, and short tube is divided into mutual disconnected inlet segment and draining section;
The water inlet pipe parts are arranged on the inlet segment of described short tube;
The drainpipe parts are arranged on the draining section on the described short tube;
The gas outlet parts are separately positioned on inlet segment and the draining section of described short tube;
The instrument connecting pipe is arranged on the draining section of described short tube.
Preferably, in the special-purpose short tube of described pressure testing,
Described exhaust pipe structure comprises: vent port, gas outlet, valve joint flange.
Described instrument web member comprises: instrument connecting hole, instrument connecting pipe, instrument joint flange.
Described water inlet pipe parts comprise: inlet opening, water inlet pipe, water inlet joint flange.
Described drainpipe parts comprise: osculum, drainpipe, draining joint flange.
Preferably, in the special-purpose short tube of described pressure testing, when connect at described short tube the two sections diameters of intending the pressure testing pipes were identical, described short tube adopted and intends pressure testing pipe same diameter; Connect at described short tube the two sections diameters of intending the pressure testing sections not simultaneously, described short tube adopt with intend the pressure testing pipe in an identical diameter, and use the reducer pipe plan pressure testing pipe connection that it is different with another diameter.
According to a further aspect in the invention, provide a kind of special-purpose short tube of described pressure testing that uses to the method for long-distance pipe pipe section pressure test, comprise the steps:
Use three special-purpose short tubes of described pressure testing to connect two sections adjacent plan pressure testing pipelines successively, wherein, the inlet segment of the special-purpose short tube of first pressure testing is connected to first section initiating terminal of intending the pressure testing pipeline, the draining section of the special-purpose short tube of second pressure testing is connected to first section end of intending the pressure testing pipeline, its inlet segment is connected to second section initiating terminal of intending the pressure testing pipeline, the draining section of the special-purpose short tube of the 3rd pressure testing is connected to second section end of intending the pressure testing section, and its inlet segment is connected to the 3rd section initiating terminal of intending the pressure testing pipeline;
Intend the pressure testing pipeline pressure test to first section;
Utilize bypass system that the drainpipe of the special-purpose short tube of second pressure testing and the water inlet pipe of the special-purpose short tube of second pressure testing are coupled together, and first section ducted pressure testing water of plan pressure testing entered second section plan pressure testing pipeline;
Intend the pressure testing pipeline pressure test to second section;
The special-purpose short tube of first pressure testing is cut down, after the processing, its draining section is connected to the 3rd section end of intending the pressure testing pipeline, its inlet segment is connected to the 4th section initiating terminal of intending the pressure testing pipeline;
Intend the pressure testing pipeline pressure test to the 3rd section;
After this, in the mode identical with aforesaid operations, by reusing described pressure testing water and alternately reusing the special-purpose short tube of described three pressure testings, work pressure test is pushed ahead successively along intending the pressure testing section, up to finishing all work pressure tests.
Preferably, in the method for described pressure testing, when utilizing bypass system that the pressure testing water is shifted from one section pressure testing pipeline to another section pressure testing pipeline, if just can realize this transfer by gravity flow, bypass system is the pipe laying pump not; Otherwise, need be at bypass system pipe laying pump.
The present invention has realized the repeated use of pressure testing servicing unit and the repeated use of pressure testing water, has saved cost, has reduced workload.
Description of drawings
Fig. 1 illustrates a kind of existing pipe section pressure test method;
Fig. 2 shows the sectional view according to the special-purpose short tube of pressure testing of first embodiment of the invention;
Fig. 3 shows the working position figure according to the special-purpose short tube of pressure testing of first embodiment of the invention;
Fig. 4 shows the working position figure according to the special-purpose short tube of pressure testing of second embodiment of the invention;
Fig. 5 shows the method for using the special-purpose short tube pipe section pressure test of pressure testing according to third embodiment of the invention.
Embodiment
The present invention is described below with reference to the accompanying drawings.Should be understood that the illustrated invention of this paper can be with varied form imbody, and disclosed any concrete structure, function or both only are representational in this article.Based on the explanation of this paper, those skilled in the art should be understood that an aspect disclosed herein can be independent of any other side and realize, and the two or more aspects in these aspects can make up according to variety of way.Simultaneously, for convenience and for the purpose of clear, the size of each several part is amplified or is dwindled but can do because of needs with actual and not quite identical in this paper accompanying drawing.
Embodiment 1:
Fig. 2 shows the sectional view according to the special-purpose short tube of pressure testing of first embodiment of the invention.Be used for the identical situation of two adjacent plan pressure testing pipe diameters according to the special-purpose short tube of the pressure testing of present embodiment.
With reference to figure 2, the special-purpose short tube of the pressure testing of present embodiment comprises metal short tube 1, is welded with blind plate 6 at the center section of metal short tube 1, and blind plate 6 is divided into mutual disconnected inlet segment J and draining section P with metal short tube 1.
Be furnished with water inlet pipe parts 2 and gas outlet parts 5 ＇ at inlet segment J, wherein water inlet pipe parts 2 comprise inlet opening 21, water inlet pipe 22, water inlet pipe joint flange 23; Gas outlet parts 5 ＇ comprise vent port 51 ＇, gas outlet 52 ＇, exhaust valve joint flange 53 ＇.
Be furnished with drainpipe parts 3, instrument link 4 and gas outlet parts 5 at draining section P, wherein drainpipe parts 3 comprise osculum 31, drainpipe 32, drainpipe joint flange 33; Instrument link 4 comprises instrument connecting hole 41, instrument connecting pipe 42, instrument joint flange 43; Gas outlet parts 5 comprise vent port 51, gas outlet 52, exhaust valve joint flange 53.
Described short tube 1 has been reserved the repeatedly surplus of cutting at length direction.
Fig. 3 shows the working position figure according to the special-purpose short tube of pressure testing of first embodiment of the invention.
With reference to figure 3, according to the plan pressure testing pipeline welding identical with two sections calibers of the special-purpose short tube of the pressure testing of present embodiment together, wherein the draining section of the special-purpose short tube of this pressure testing is welded on the afterbody of intending pressure testing pipeline 7, and the inlet segment of the special-purpose short tube of this pressure testing is welded on the initial part of intending pressure testing pipeline 8.When intending 7 pressure testings of pressure testing pipeline, close the valve of installing on the valve installed on the gas outlet parts 5 and the drainpipe parts 3, with pipe sealing; By setting pressure table on instrument link 4, detect pipeline pressure.After pressure testing is finished, by the drainpipe parts 5 of the special-purpose short tube of this pressure testing, the pressure testing water is discharged.When intending 8 pressure testings of pressure testing pipeline, the water inlet pipe 2 by the special-purpose short tube of this pressure testing can pour into the pressure testing water intends pressure testing pipeline 8, simultaneously air is discharged from gas outlet 5 ＇.Be connected respectively to drainpipe 3 and the water inlet pipe 2 of the special-purpose short tube of this pressure testing by the two ends with bypass system 9, can be communicated with intending pressure testing pipeline 7 and intending pressure testing pipeline 8, utilize in-line pump 91 the pressure testing water in the plan pressure testing pipeline 7 can be transferred to and intend in the pressure testing pipeline 8.
Embodiment two:
Fig. 4 shows the working position figure according to the special-purpose short tube of pressure testing of second embodiment of the invention.Be used for the different situation of two adjacent plan pressure testing pipe diameters according to the special-purpose short tube of the pressure testing of present embodiment.
With reference to figure 4, according to the plan pressure testing pipeline welding different with two sections calibers of the special-purpose short tube of the pressure testing of present embodiment together, wherein the draining section of the special-purpose short tube of this pressure testing is welded on the afterbody of intending pressure testing pipeline 7, add reducer pipe 10 of welding by the inlet segment at the special-purpose short tube of this pressure testing, make the special-purpose short tube of this pressure testing can be soldered to the initial part of intending pressure testing pipeline 8.In addition, other aspects of present embodiment are identical with embodiment 1.
Embodiment three:
Fig. 5 shows the method for using the special-purpose short tube pipe section pressure test of pressure testing according to third embodiment of the invention.
With reference to figure 5, in the described pipe section pressure test process of present embodiment, at first, use three special-purpose short tubes 100,200,300 of described pressure testing, connect adjacent plan pressure testing pipeline A successively and intend pressure testing pipeline B.
Wherein, the inlet segment of the special-purpose short tube 100 of pressure testing is connected to the initiating terminal of intending pressure testing pipeline A, the draining section of the special-purpose short tube 200 of pressure testing is connected to the end of intending pressure testing pipeline A, its inlet segment is connected to the initiating terminal of intending pressure testing pipeline B, the draining section of the special-purpose short tube 300 of pressure testing is connected to the end of intending pressure testing section B, and its inlet segment is connected to the initiating terminal of intending pressure testing pipeline C;
Then, to intending pressure testing pipeline A pressure testing;
After pressure testing is finished to plan pressure testing pipeline A, utilize bypass system that drainpipe and the water inlet pipe of the special-purpose short tube 200 of pressure testing are coupled together, utilize the in-line pump in the bypass system, the pressure testing water of intending among the pressure testing pipeline A is entered plan pressure testing pipeline B;
Afterwards, to intending pressure testing pipeline B pressure testing;
After pressure testing is finished to plan pressure testing pipeline B, the special-purpose short tube 100 of pressure testing is cut down, after the processing, its draining section is connected to the end of intending pressure testing pipeline C, its inlet segment is connected to the initiating terminal of intending pressure testing pipeline D;
To intending pressure testing pipeline C pressure testing;
After pressure testing is finished to plan pressure testing pipeline C, utilize bypass system that drainpipe and the water inlet pipe of the special-purpose short tube 300 of pressure testing are coupled together, utilize the in-line pump in the bypass system, the pressure testing water of intending among the pressure testing pipeline B is entered plan pressure testing pipeline C;
Afterwards, section is intended pressure testing pipeline C pressure testing;
After pressure testing is finished to plan pressure testing pipeline C, the special-purpose short tube 200 of pressure testing is cut down, after the processing, its draining section is connected to the end of intending pressure testing pipeline D, its inlet segment is connected to the initiating terminal of intending pressure testing pipeline E;
After this, in the mode identical with described operation, by alternately utilizing the special-purpose short tube of above-mentioned three pressure testings, work pressure test is pushed ahead successively along intending the pressure testing section, up to finishing all work pressure tests.
In the present embodiment, if rely on gravity flow can realize the transfer of pressure testing water from a pressure testing section to another pressure testing section, in bypass system, just do not need to use in-line pump so.
Though as above describe having carried out according to embodiments of the invention with reference to accompanying drawing, it will be appreciated by those skilled in the art that the embodiment that foregoing invention is proposed, can also make various improvement on the basis that does not break away from content of the present invention.Therefore, protection scope of the present invention should be determined by the content of appending claims.
Claims (5)
1. the special-purpose short tube of a pressure testing comprises:
The metal tube that short tube, diameter are can be with intending the pressure testing pipeline suitable, its length direction has been reserved the repeatedly surplus of cutting;
Blind plate is welded on short tube interior metal plate, and short tube is divided into mutual disconnected inlet segment and draining section;
The water inlet pipe parts are arranged on the inlet segment of described short tube;
The drainpipe parts are arranged on the draining section of described short tube;
The gas outlet parts are separately positioned on inlet segment and the draining section of described short tube;
The instrument link is arranged on the draining section of described short tube.
2. short tube as claimed in claim 1, wherein,
Described gas outlet parts comprise: vent port, gas outlet, valve joint flange;
Described instrument link comprises: instrument connecting hole, instrument connecting pipe, instrument joint flange;
Described water inlet pipe parts comprise: inlet opening, water inlet pipe, water inlet pipe joint flange;
Described drainpipe parts comprise: osculum, drainpipe, drainpipe joint flange.
3. short tube as claimed in claim 1, wherein, when connect at described short tube the two sections diameters of intending the pressure testing pipes were identical, described short tube adopted and intends pressure testing pipe same diameter; Connect at described short tube the two sections diameters of intending the pressure testing sections not simultaneously, described short tube adopt with intend the pressure testing pipe in an identical diameter, and use the reducer pipe plan pressure testing pipe connection that it is different with another diameter.
4. one kind is used the special-purpose short tube of described pressure testing to the method for long-distance pipe pipe section pressure test, comprises the steps:
Use three special-purpose short tubes of described pressure testing to connect two sections adjacent plan pressure testing pipelines successively, wherein, the inlet segment of the special-purpose short tube of first pressure testing is connected to first section initiating terminal of intending the pressure testing pipeline, the draining section of the special-purpose short tube of second pressure testing is connected to first section end of intending the pressure testing pipeline, its inlet segment is connected to second section initiating terminal of intending the pressure testing pipeline, the draining section of the special-purpose short tube of the 3rd pressure testing is connected to second section end of intending the pressure testing section, and its inlet segment is connected to the 3rd section initiating terminal of intending the pressure testing pipeline;
Intend the pressure testing pipeline pressure test to first section;
Utilize bypass system that the drainpipe of the special-purpose short tube of second pressure testing and the water inlet pipe of the special-purpose short tube of second pressure testing are coupled together, and first section ducted pressure testing water of plan pressure testing entered second section plan pressure testing pipeline;
Intend the pressure testing pipeline pressure test to second section;
The special-purpose short tube of first pressure testing is cut down, after the processing, its draining section is connected to the 3rd section end of intending the pressure testing pipeline, its inlet segment is connected to the 4th section initiating terminal of intending the pressure testing pipeline;
Intend the pressure testing pipeline pressure test to the 3rd section;
After this, in the mode identical with aforesaid operations, by reusing described pressure testing water and alternately reusing the special-purpose short tube of described three pressure testings, work pressure test is pushed ahead successively along intending the pressure testing section, up to finishing all work pressure tests.
5. method as claimed in claim 4, wherein, when utilizing bypass system that the pressure testing water is shifted from one section pressure testing pipeline to another section pressure testing pipeline, if just can realize this transfer by gravity flow, bypass system is the pipe laying pump not; Otherwise, need be at bypass system pipe laying pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310136281.9A CN103278379B (en) | 2013-04-18 | 2013-04-18 | The special short tube of pressure testing and the using method in long-distance pipe pipe section pressure test thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310136281.9A CN103278379B (en) | 2013-04-18 | 2013-04-18 | The special short tube of pressure testing and the using method in long-distance pipe pipe section pressure test thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103278379A true CN103278379A (en) | 2013-09-04 |
| CN103278379B CN103278379B (en) | 2015-09-09 |
Family
ID=49060963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310136281.9A Active CN103278379B (en) | 2013-04-18 | 2013-04-18 | The special short tube of pressure testing and the using method in long-distance pipe pipe section pressure test thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103278379B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153466A (en) * | 2015-04-09 | 2016-11-23 | 中国二十冶集团有限公司 | A kind of feedwater piping rapid pressure test method |
| CN110595899A (en) * | 2019-09-12 | 2019-12-20 | 中国化学工程第六建设有限公司 | Pressure testing device and pressure testing method for long-distance pipeline |
| CN113324839A (en) * | 2021-05-28 | 2021-08-31 | 福州城建设计硏究院有限公司 | Pressure test method, device and system for short pipe and pipeline with wing ring |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5072622A (en) * | 1990-06-04 | 1991-12-17 | Roach Max J | Pipeline monitoring and leak containment system and apparatus therefor |
| CN1558195A (en) * | 2004-01-19 | 2004-12-29 | 徐州建筑职业技术学院 | Middle pressure test technology and device for widebore pipeline construction |
-
2013
- 2013-04-18 CN CN201310136281.9A patent/CN103278379B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5072622A (en) * | 1990-06-04 | 1991-12-17 | Roach Max J | Pipeline monitoring and leak containment system and apparatus therefor |
| CN1558195A (en) * | 2004-01-19 | 2004-12-29 | 徐州建筑职业技术学院 | Middle pressure test technology and device for widebore pipeline construction |
Non-Patent Citations (2)
| Title |
|---|
| R.K.MILLER ET AL.: ""A reference standard for the development of acoustic emission pipeline leak detection techniques"", 《NDT&E INTERNATIONAL》, vol. 32, 31 December 1999 (1999-12-31), pages 1 - 8, XP004292639, DOI: doi:10.1016/S0963-8695(98)00034-6 * |
| 熊晓冬等: ""管道检漏与检漏仪器"", 《工业仪表与自动化装置》, no. 4, 31 December 1996 (1996-12-31), pages 59 - 63 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153466A (en) * | 2015-04-09 | 2016-11-23 | 中国二十冶集团有限公司 | A kind of feedwater piping rapid pressure test method |
| CN110595899A (en) * | 2019-09-12 | 2019-12-20 | 中国化学工程第六建设有限公司 | Pressure testing device and pressure testing method for long-distance pipeline |
| CN110595899B (en) * | 2019-09-12 | 2022-04-15 | 中国化学工程第六建设有限公司 | Pressure testing device and pressure testing method for long-distance pipeline |
| CN113324839A (en) * | 2021-05-28 | 2021-08-31 | 福州城建设计硏究院有限公司 | Pressure test method, device and system for short pipe and pipeline with wing ring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103278379B (en) | 2015-09-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103278379A (en) | Pressure test special-purpose short tube and use method of the pressure test special-purpose short tube in segmental pressure test on long-distance pipe | |
| CN201129586Y (en) | Polyethylene, steel bushing flange and pipeline connecting structure | |
| CN103307376B (en) | A kind of assembling pipe joint and seal connecting method thereof with double plug | |
| CN104122042A (en) | Pressure resistance testing method of large-diameter welding structure metal pipeline | |
| CN203785344U (en) | Capillary matching device | |
| CN201524372U (en) | Top pressure device with flexible connection | |
| CN204554155U (en) | Spigot and socket type telescopic pipe | |
| CN204592624U (en) | A kind of jointing be applied in hydraulic pipe line | |
| CN208011151U (en) | Leakage repairing device for pipe line | |
| CN103801206A (en) | Dissolving-facilating type liquid-distributing jet pipe joint | |
| CN103292094A (en) | Diameter variable glass fiber pipeline | |
| CN206583582U (en) | A kind of complete fast pressure testing device of piping lane pipeline | |
| CN203336098U (en) | Adapter flange used for pipeline connection | |
| CN209196339U (en) | A kind of sealing structure for pipeline connection | |
| CN201193901Y (en) | Splice pip for air-conditioner | |
| CN204852718U (en) | But quick assembly disassembly's pipeline connecting device | |
| CN110207934B (en) | Method for effectively prolonging flow time of large-size free piston high-enthalpy pulse wind tunnel | |
| CN103307382B (en) | A kind of assembling pipe joint and seal connecting method thereof with Expansion sealing circle | |
| CN104653914A (en) | Socket and spigot type telescopic pipe | |
| CN103115207B (en) | A kind of Pipe couplings and connecting means | |
| CN205261046U (en) | Novel oil pipe is failed to bidirectional scalability type | |
| CN205504291U (en) | Flaring connects core | |
| CN2893367Y (en) | Splice three-way pipe for air conditioner | |
| CN212480413U (en) | Spiral welded pipe that leakproofness is strong | |
| CN202132640U (en) | Rubber tube connector for bursting test machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |