CN105673993B - Fluid line press and open holes block pressure equaliser to high pressure gas pipeline boring method - Google Patents
Fluid line press and open holes block pressure equaliser to high pressure gas pipeline boring method Download PDFInfo
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- CN105673993B CN105673993B CN201610066851.5A CN201610066851A CN105673993B CN 105673993 B CN105673993 B CN 105673993B CN 201610066851 A CN201610066851 A CN 201610066851A CN 105673993 B CN105673993 B CN 105673993B
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- auxiliary
- aperture
- valve
- case
- pipe fitting
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/18—Appliances for use in repairing pipes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Branch Pipes, Bends, And The Like (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The present invention relates to fluid line press and open holes to block pressure equaliser to high pressure gas pipeline boring method, balancing device includes: wiring pipe fitting and tapping machine, the inner cavity of wiring pipe fitting is that aperture connects case, connect case in aperture and is provided with tapping machine and sandwich valve, when sandwich valve is closed, aperture is connected case and is divided into two parts by sandwich valve, when sandwich valve is opened, aperture connects case connection and is integral, it further include: auxiliary connection pipe fitting, assist tapping machine and air accumulator, the inner cavity of auxiliary connection pipe fitting is that auxiliary aperture connects case, connect case in auxiliary aperture and is provided with auxiliary tapping machine and auxiliary sandwich valve, when assisting sandwich valve closure, auxiliary aperture is connected case and is divided into two parts by auxiliary sandwich valve, when sandwich valve being assisted to open, auxiliary aperture connects case connection and is integral, aperture connects case and auxiliary aperture connects case and passes through pipeline respectively and is connected with air accumulator, this method avoid High pressure in high-pressure gas pipeline protects production safety and the safety of operator to intense impact caused by puncher.
Description
Technical field
The present invention relates to a kind of balancing device, in particulard relate to fluid line press and open holes block pressure equaliser and
The method that aperture is carried out to high-pressure gas pipe with the device.
Background technique
In recent years, as the step of urbanization is getting faster, combustion gas enters ten million family, gas pipeline in old city or
It is laid with extensively in emerging city, the high-pressure gas pipeline of delivery of fuel gas is also widely laid on the underground in city, when this
When kind of high-pressure gas pipeline breaks down, operator is in order to ensure the conveying of combustion gas, it is necessary to pressure in high-pressure gas pipeline
In the case of, high-pressure gas pipeline is punched, is then changed the pipeline that one section breaks down as early as possible, due to delivery of fuel gas
Pipeline is high-pressure gas pipeline, the moment of high-pressure gas pipeline is opened in puncher, due to the high pressure meeting in high-pressure gas pipeline
Strong impact is generated to puncher, is even caused the accident.
Summary of the invention
Pressure equaliser is blocked the object of the present invention is to provide a set of fluid line press and open holes and to high pressure gas pipeline
The method for carrying out aperture, avoids the high pressure in high-pressure gas pipeline to intense impact caused by puncher.
To achieve the goals above, technical solution of the invention are as follows:
A kind of fluid line press and open holes of the invention block pressure equaliser, it includes: wiring pipe fitting and tapping machine,
The inner cavity of wiring pipe fitting is that aperture connects case, connects case in aperture and is provided with tapping machine and sandwich valve, and when sandwich valve is closed, sandwich valve will
Aperture connects case and is divided into two parts, and when sandwich valve is opened, aperture connects case connection and is integral, in which: it further include: auxiliary connection pipe
Part, auxiliary tapping machine and air accumulator, the inner cavity of auxiliary connection pipe fitting are that auxiliary aperture connects case, auxiliary aperture connect case be provided with it is auxiliary
Tapping machine and auxiliary sandwich valve are helped, when auxiliary sandwich valve is closed, assists sandwich valve that aperture will be assisted to connect case and is divided into two parts, assist
When sandwich valve is opened, auxiliary aperture connects case connection and is integral, and aperture connects case and auxiliary aperture connects case and passes through pipeline and storage respectively
Gas tank is connected；
A kind of fluid line press and open holes of the invention block pressure equaliser, in which: connect case and storage in auxiliary aperture
First connection valve is housed between gas tank；
A kind of fluid line press and open holes of the invention block pressure equaliser, in which: connect case and air accumulator in aperture
Between be equipped with the second connection valve；
A kind of fluid line press and open holes of the invention block pressure equaliser, in which: are also equipped on the air accumulator
Pressure gauge and exhaust valve；
A kind of fluid line press and open holes of the invention block pressure equaliser, in which: the aperture connects also to be filled on case
There is exhaust-valve；
The method that a kind of pair of high pressure gas pipeline of the invention carries out aperture, in which:
(a) wiring pipe fitting and auxiliary connection pipe fitting are respectively welded to separated by a distance two for being fixed on high pressure gas pipeline
On point, tapping machine, aperture are connected into case and sandwich valve is mounted on wiring pipe fitting, auxiliary tapping machine, auxiliary aperture are connected into case and auxiliary
It helps sandwich valve to be mounted on auxiliary connection pipe fitting, then the second connection valve, wiring pipe fitting and air accumulator links together, pass through
First connection valve, auxiliary connection pipe fitting and air accumulator are linked together；
(b) auxiliary sandwich valve and the first connection valve are opened, the second connection valve and exhaust valve are closed, makes auxiliary tapping machine downward
Moving and starting auxiliary tapping machine makes its rotation, carries out aperture to high pressure gas pipeline, makes the high-pressure gas in high pressure gas pipeline
Into in air accumulator, the pressure gauge on air accumulator is observed, keeps the pressure of pressure gauge identical as the pressure of high pressure gas pipeline；
(c) sandwich valve, the second connection valve and exhaust-valve are opened, using in air accumulator high-pressure gas butted line pipe fitting, open
The air that hole connects in case and clamping plate valve chamber is replaced, and after above-mentioned cavity is full of combustion gas, is closed exhaust-valve, is made wire barrel
Part, aperture connect case and the chamber pressure of sandwich valve and the pressure of high pressure gas pipeline is identical, then allow tapping machine move down and
Starting tapping machine makes its rotation, to high pressure gas pipeline aperture.
The method that a kind of pair of high pressure gas pipeline of the invention carries out aperture, in which: after step (c), close first
Then connection valve and the second connection valve open exhaust valve and exhaust-valve.
Compared with prior art, since fluid line press and open holes of the present invention block pressure equaliser and to high pressure gas transmission
The method that pipe carries out aperture, avoids the high pressure in high-pressure gas pipeline to intense impact caused by puncher, protects life
Produce the safety of safety and operator.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that fluid line press and open holes of the present invention block pressure equaliser.
In Fig. 1, label 1 is high pressure gas pipeline；Label 2 is wiring pipe fitting；Label 3 is sandwich valve；Label 4 is aperture company
Case；Label 5 is tapping machine；Label 6 is exhaust-valve；Label 7 is pressure gauge；Label 8 is air accumulator；Label 9 is the first connection valve；
Label 10 is auxiliary tapping machine；Label 11 is that auxiliary aperture connects case；Label 12 is auxiliary sandwich valve；Label 13 is the second connection
Valve；Label 14 is exhaust valve；Adjuvant grafting spool part supplemented by label 15.
Specific embodiment
As shown in Figure 1, it includes: wiring pipe fitting 2, aperture that fluid line press and open holes of the invention, which block pressure equaliser,
Machine 5, adjuvant grafting spool part 15, auxiliary tapping machine 10 and air accumulator 8, the inner cavity of wiring pipe fitting 2 are that aperture connects case 4, connect case 4 in aperture
It is provided with tapping machine 5 and sandwich valve 3, when sandwich valve 3 is closed, aperture is connected case 4 and is divided into two parts by sandwich valve 3, and sandwich valve 3 is opened
When, aperture connects the connection of case 4 and is integral, and the inner cavity of auxiliary connection pipe fitting 15 is that auxiliary aperture connects case 11, connects case in auxiliary aperture
11 are provided with auxiliary tapping machine 10 and auxiliary sandwich valve 12, and when auxiliary sandwich valve 12 is closed, auxiliary sandwich valve 12 will assist aperture
Even case 11 is divided into two parts, and when auxiliary sandwich valve 12 is opened, auxiliary aperture connects the connection of case 11 and is integral, and aperture connects case 4 and auxiliary
It helps aperture to connect case 11 to be connected by pipeline with air accumulator 8 respectively, pressure gauge 7 and exhaust valve 14 is also equipped on air accumulator 8.It is assisting
Aperture connects between case 11 and air accumulator 8 equipped with the first connection valve 9.Connect between case 4 and air accumulator 8 in aperture equipped with the second connection valve
13, hole, which connects, is also equipped with exhaust-valve 6 on case 4.
A kind of fluid line press and open holes as shown in Figure 1 block pressure equaliser and carry out aperture to high pressure gas pipeline
Method, it the following steps are included:
(a) wiring pipe fitting 2 and auxiliary connection pipe fitting 15 are respectively welded and are fixed on the separated by a distance of high pressure gas pipeline 1
Two o'clock on, tapping machine 5, aperture are connected into case 4 and sandwich valve 3 is mounted on the upper of wiring pipe fitting 2, will auxiliary tapping machine 10, auxiliary
Aperture connects case 11 and auxiliary sandwich valve 12 is mounted on auxiliary connection pipe fitting 15, then by the second connection valve 13,2 and of wiring pipe fitting
Air accumulator 8 links together, by the way that the first connection valve 9, auxiliary connection pipe fitting 15 and air accumulator 8 link together；
(b) auxiliary sandwich valve 12 and the first connection valve 9 are opened, the second connection valve 13 and exhaust valve 14 is closed, auxiliary is allowed to open
Hole machine 10, which moves down and starts auxiliary tapping machine 10, makes its rotation, carries out aperture to high pressure gas pipeline 1, makes high pressure gas pipeline
High-pressure gas in 1 enters in air accumulator 8, observes the pressure gauge 7 on air accumulator 8, makes the pressure and high pressure gas pipeline of pressure gauge 7
1 pressure is identical；
(c) sandwich valve 3, the second connection valve 13 and exhaust-valve 6 are opened, docks spool using the high-pressure gas in air accumulator 8
Part 2, aperture connect case 4 and the intracorporal air of 3 chamber of sandwich valve is replaced, and after above-mentioned cavity is full of combustion gas, close exhaust-valve 6,
Make that wiring pipe fitting 2, aperture connect case 4 and the chamber pressure of sandwich valve (3) is identical as the pressure of high pressure gas pipeline 1, then allows aperture
Machine 5, which moves down and starts tapping machine 5, makes its rotation, to 1 aperture of high pressure gas pipeline；
(d) after step (c), the first connection valve 9 and the second connection valve 13 are closed, then opens exhaust valve 14 and row
Empty valve 6.
Embodiment described above is only that preferred embodiments of the present invention will be described, not to the scope of the present invention
It is defined, without departing from the spirit of the design of the present invention, this field ordinary engineering and technical personnel is to technology of the invention
The various changes and improvements that scheme is made, should fall within the scope of protection determined by the claims of the present invention.
Claims (2)
1. a kind of fluid line press and open holes block pressure equaliser to high pressure gas pipeline boring method, the fluid line is with pressure
Plugging holes pressure equaliser includes: wiring pipe fitting (2), tapping machine (5), auxiliary connection pipe fitting (15), auxiliary tapping machine
(10) and air accumulator (8), the inner cavity of wiring pipe fitting (2) is that aperture connects case (4), aperture connect case (4) be provided with tapping machine (5) and
Sandwich valve (3), when sandwich valve (3) is closed, aperture is connected case (4) and is divided into two parts by sandwich valve (3), when sandwich valve (3) is opened, is opened
Hole connects case (4) connection and is integral, and the inner cavity of auxiliary connection pipe fitting (15) is that auxiliary aperture connects case (11), connects case in auxiliary aperture
(11) it is provided with auxiliary tapping machine (10) and auxiliary sandwich valve (12), when auxiliary sandwich valve (12) is closed, is assisted sandwich valve (12)
Auxiliary aperture is connected into case (11) and is divided into two parts, when auxiliary sandwich valve (12) is opened, it is whole for one that auxiliary aperture connects case (11) connection
Body, aperture connects case (4) and auxiliary aperture connects case (11) and is connected respectively by pipeline with air accumulator (8), connects case in auxiliary aperture
(11) the first connection valve (9) are housed between air accumulator (8), connect between case (4) and air accumulator (8) in aperture equipped with the second connection
Valve (13) is also equipped with pressure gauge (7) and exhaust valve (14) on air accumulator (8), and aperture, which connects, is also equipped with exhaust-valve (6) on case (4), should
Fluid line press and open holes block pressure equaliser to high pressure gas pipeline boring method the following steps are included:
(a) wiring pipe fitting (2) and auxiliary connection pipe fitting (15) are respectively welded be fixed on high pressure gas pipeline (1) be separated by a spacing
From two o'clock on, tapping machine (5), aperture are connected into case (4) and sandwich valve (3) is mounted on the upper of wiring pipe fitting (2), aperture will be assisted
Machine (10), auxiliary aperture connect case (11) and auxiliary sandwich valve (12) is mounted on auxiliary connection pipe fitting (15), then connects second
It connects valve (13), wiring pipe fitting (2) and air accumulator (8) to link together, by by the first connection valve (9), auxiliary connection pipe fitting
(15) it links together with air accumulator (8)；
(b) auxiliary sandwich valve (12) and the first connection valve (9) are opened, the second connection valve (13) and exhaust valve (14) is closed, allows auxiliary
Helping tapping machine (10) to move down and starting auxiliary tapping machine (10) makes its rotation, carries out aperture to high pressure gas pipeline (1), makes
High-pressure gas in high pressure gas pipeline (1) enters in air accumulator (8), and the pressure gauge (7) in observation air accumulator (8) makes pressure gauge
(7) pressure is identical as the pressure of high pressure gas pipeline (1)；
(c) sandwich valve (3), the second connection valve (13) and exhaust-valve (6) are opened, is docked using the high-pressure gas in air accumulator (8)
Spool part (2), aperture connect case (4) and the intracorporal air of sandwich valve (3) chamber is replaced, and after above-mentioned cavity is full of combustion gas, close
Exhaust-valve (6) are closed, wiring pipe fitting (2), aperture is made to connect the chamber pressure of case (4) and sandwich valve (3) and the pressure of high pressure gas pipeline (1)
Power is identical, and then allowing tapping machine (5) to move down and starting tapping machine (5) makes its rotation, to high pressure gas pipeline (1) aperture.
2. method as described in claim 1, it is characterised in that: after step (c), close the first connection valve (9) and second
Connection valve (13) then opens exhaust valve (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610066851.5A CN105673993B (en) | 2016-01-29 | 2016-01-29 | Fluid line press and open holes block pressure equaliser to high pressure gas pipeline boring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610066851.5A CN105673993B (en) | 2016-01-29 | 2016-01-29 | Fluid line press and open holes block pressure equaliser to high pressure gas pipeline boring method |
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| Publication Number | Publication Date |
|---|---|
| CN105673993A CN105673993A (en) | 2016-06-15 |
| CN105673993B true CN105673993B (en) | 2018-12-18 |
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| CN201610066851.5A Active CN105673993B (en) | 2016-01-29 | 2016-01-29 | Fluid line press and open holes block pressure equaliser to high pressure gas pipeline boring method |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107262762B (en) * | 2017-07-07 | 2019-05-07 | 上海煤气第二管线工程有限公司 | A kind of construction method of the gas pipeline with angled aperture |
| CN107588280B (en) * | 2017-10-24 | 2019-02-15 | 上海煤气第一管线工程有限公司 | Natural gas line expansive cylinder stopping transportation pressure method for blocking |
| CN107990074B (en) * | 2017-11-22 | 2020-01-07 | 连云港新奥燃气有限公司 | Gas-carrying perforating device for natural gas pipeline |
| CN114427631A (en) * | 2020-09-30 | 2022-05-03 | 中国石油化工股份有限公司 | Method for opening hole, leaking stoppage and replacing leakage valve of amine liquid medium pipeline under pressure |
| CN112628509A (en) * | 2020-12-16 | 2021-04-09 | 上海能源建设集团有限公司 | Method for preventing iron filings from backflushing in process of drilling and connecting new pipe with pressure in gas high-pressure pipeline |
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| JP2777865B2 (en) * | 1994-01-25 | 1998-07-23 | コスモ工機株式会社 | Fluid pipe perforator |
| US5439331A (en) * | 1994-03-31 | 1995-08-08 | Tdw Delaware, Inc. | High pressure tapping apparatus |
| US6012878A (en) * | 1997-12-02 | 2000-01-11 | Tdw Delaware, Inc. | Pressure balanced subsea tapping machine |
| US6648562B1 (en) * | 2001-06-08 | 2003-11-18 | Charles D. Calkins | Apparatus for tapping a hole in a pipeline |
| GB2482671A (en) * | 2010-08-09 | 2012-02-15 | Mark Edward Klinck | A hot-tapping unit having pressure equalising means to balance the drill rod |
| CN103016893B (en) * | 2011-09-21 | 2014-08-13 | 中国建筑第七工程局有限公司 | Hot tapping plugging construction method of long natural gas delivery pipeline |
| CN102661469A (en) * | 2012-05-29 | 2012-09-12 | 天津市江达扬升工程技术有限公司 | High-pressure tapping machine with pressure balancing mechanism |
| CN203093088U (en) * | 2013-01-05 | 2013-07-31 | 中国石油天然气集团公司 | Pressure balancing device of heavy-caliber high-pressure tapping machine |
| CN203356656U (en) * | 2013-07-10 | 2013-12-25 | 陕西延长石油(集团)有限责任公司研究院 | Hydraulic high-pressure on-line puncher |
| CN203628140U (en) * | 2013-11-15 | 2014-06-04 | 重庆大唐国际彭水水电开发有限公司 | Under-pressure plugging structure of bottom ring drain pipe of Francis type water turbine-generator unit |
| CN204603372U (en) * | 2015-04-21 | 2015-09-02 | 中船重工（沈阳）辽海输油设备有限公司 | With the hydraulic drilling machine of equilibrium function |
| CN205350710U (en) * | 2016-01-29 | 2016-06-29 | 北京市燃气集团有限责任公司 | Gas pipeline tapping shutoff pressure equaliser |
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2016
- 2016-01-29 CN CN201610066851.5A patent/CN105673993B/en active Active
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| CN105673993A (en) | 2016-06-15 |
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