CN205350710U - Gas pipeline tapping shutoff pressure equaliser - Google Patents
Gas pipeline tapping shutoff pressure equaliser Download PDFInfo
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- CN205350710U CN205350710U CN201620095372.1U CN201620095372U CN205350710U CN 205350710 U CN205350710 U CN 205350710U CN 201620095372 U CN201620095372 U CN 201620095372U CN 205350710 U CN205350710 U CN 205350710U
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- trompil
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Abstract
The utility model relates to a gas pipeline tapping shutoff pressure equaliser, balancing unit includes: wiring pipe fitting and tapping machine, the inner chamber of wiring pipe fitting is equipped with tapping machine and sandwich valve for trompil even case in trompil even incasement, and when the sandwich valve was closed, the sandwich valve divided into two parts with trompil even case, and when the sandwich valve was opened, trompil even case intercommunication was one wholly, and it still includes: supplementary wiring pipe fitting, supplementary tapping machine and gas holder, the inner chamber of supplementary wiring pipe fitting links the case for supplementary trompil, supplementary tapping machine and supplementary sandwich valve be equipped with in supplementary trompil even incasement, when supplementary sandwich valve is closed, even case share two parts of trompil will be assisted to supplementary sandwich valve, when supplementary sandwich valve is opened, supplementary trompil even case intercommunication is one wholly, trompil company's case and supplementary trompil even case link to each other through pipeline and gas holder respectively, this balancing unit and the method of carrying out the trompil to high -pressure gas -supply pipe, avoided the interior high pressure of high pressure gas pipeline to the produced strong impact of puncher, production safety and operator's safety has been protected.
Description
Technical field
This utility model relates to a kind of bascule, has in particulard relate to gas pipeline plugging holes pressure equaliser.
Background technology
In recent years, along with the step of urbanization is more and more faster, combustion gas enters ten million family, gas pipeline is extensively laid in old city or emerging city, the high-pressure gas pipeline of delivery of fuel gas is also laid on the underground in city widely, when this high-pressure gas pipeline breaks down, operator are in order to ensure the conveying of combustion gas, must in high-pressure gas pipeline situation with pressure, high-pressure gas pipeline is punched, then the pipeline that a section breaks down is changed as early as possible, owing to the pipeline of delivery of fuel gas is high-pressure gas pipeline, the moment of high-pressure gas pipeline is opened at puncher, owing to puncher can be produced strong impact by the high pressure in high-pressure gas pipeline, cause the accident even.
Summary of the invention
Goal of the invention of the present utility model is to provide a set of gas pipeline plugging holes pressure equaliser, it is to avoid the high pressure in high-pressure gas pipeline is to intense impact produced by puncher.
To achieve these goals, technical solution of the present utility model is:
A kind of gas pipeline plugging holes pressure equaliser of the present utility model, it includes: wiring pipe fitting and tapping machine, the inner chamber of wiring pipe fitting is that perforate connects case, case is connected built with tapping machine and sandwich valve in perforate, during sandwich valve Guan Bi, perforate is connected case and is divided into two parts by sandwich valve, when sandwich valve is opened, it is an entirety that perforate connects case connection, wherein: it also includes: auxiliary connection pipe fitting, auxiliary tapping machine and air accumulator, the inner chamber of auxiliary connection pipe fitting connects case for auxiliary perforate, case is connected built with auxiliary tapping machine and additional lock plate valve in auxiliary perforate, during additional lock plate valve Guan Bi, auxiliary perforate is connected case and is divided into two parts by additional lock plate valve, when additional lock plate valve is opened, it is an entirety that auxiliary perforate connects case connection, perforate connects case and connects case be connected with air accumulator respectively through pipeline with auxiliary perforate；
A kind of gas pipeline plugging holes pressure equaliser of the present utility model, wherein: connect in auxiliary perforate and connect valve equipped with first between case and air accumulator；
A kind of gas pipeline plugging holes pressure equaliser of the present utility model, wherein: connect in perforate and connect valve equipped with second between case and air accumulator；
A kind of gas pipeline plugging holes pressure equaliser of the present utility model, wherein: described air accumulator is also equipped with Pressure gauge and air bleeding valve；
A kind of gas pipeline plugging holes pressure equaliser of the present utility model, wherein: described perforate connects and is also equipped with exhaust-valve on case.
Compared with prior art; due to this utility model gas pipeline plugging holes pressure equaliser and method that high pressure gas pipeline is carried out perforate; avoid high pressure in high-pressure gas pipeline to intense impact produced by puncher, protect the safety of production safety and operator.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model gas pipeline plugging holes pressure equaliser.
In FIG, label 1 is high pressure gas pipeline；Label 2 is wiring pipe fitting；Label 3 is sandwich valve；Label 4 connects case for perforate；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 connects case for auxiliary perforate；Label 12 is additional lock plate valve；Label 13 is the second connection valve；Label 14 is air bleeding valve；Label 15 is auxiliary connection pipe fitting.
Detailed description of the invention
As shown in Figure 1, gas pipeline plugging holes pressure equaliser of the present utility model includes: wiring pipe fitting 2, tapping machine 5, adjuvant grafting spool part 15, auxiliary tapping machine 10 and air accumulator 8, the inner chamber of wiring pipe fitting 2 is that perforate connects case 4, case 4 is connected built with tapping machine 5 and sandwich valve 3 in perforate, when sandwich valve 3 closes, perforate is connected case 4 and is divided into two parts by sandwich valve 3, when sandwich valve 3 is opened, it is an entirety that perforate connects case 4 connection, the inner chamber of auxiliary connection pipe fitting 15 connects case 11 for auxiliary perforate, case 11 is connected built with auxiliary tapping machine 10 and additional lock plate valve 12 in auxiliary perforate, when additional lock plate valve 12 closes, auxiliary perforate is connected case 11 and is divided into two parts by additional lock plate valve 12, when additional lock plate valve 12 is opened, it is an entirety that auxiliary perforate connects case 11 connection, perforate connects case 4 and connects case 11 be connected with air accumulator 8 respectively through pipeline with auxiliary perforate, air accumulator 8 is also equipped with Pressure gauge 7 and air bleeding valve 14.Connect in auxiliary perforate and connect valve 9 equipped with first between case 11 and air accumulator 8.Connecting in perforate and connect valve 13 equipped with second between case 4 and air accumulator 8, hole connects and is also equipped with exhaust-valve 6 on case 4.
A kind of method that high pressure gas pipeline is carried out perforate by gas pipeline plugging holes pressure equaliser as shown in Figure 1, it comprises the following steps:
A wiring pipe fitting 2 and auxiliary connection pipe fitting 15 are respectively welded on separated by a distance two being fixed on high pressure gas pipeline 1 by (), by tapping machine 5, perforate connects case 4 and sandwich valve 3 is arranged on the upper of wiring pipe fitting 2, by auxiliary tapping machine 10, auxiliary perforate connects case 11 and additional lock plate valve 12 is arranged on auxiliary connection pipe fitting 15, then connect valve 13, wiring pipe fitting 2 and air accumulator 8 by second to link together, link together by connecting valve 9, auxiliary connection pipe fitting 15 and air accumulator 8 by first；
B () is opened additional lock plate valve 12 and first and is connected valve 9, close the second connection valve 13 and air bleeding valve 14, allowing auxiliary tapping machine 10 move down and starting auxiliary tapping machine 10 makes it rotate, high pressure gas pipeline 1 is carried out perforate, the high-pressure gas in high pressure gas pipeline 1 is made to enter in air accumulator 8, observing the Pressure gauge 7 on air accumulator 8, the pressure making Pressure gauge 7 is identical with the pressure of high pressure gas pipeline 1；
C () is opened sandwich valve 3, second and is connected valve 13 and exhaust-valve 6, the air that the high-pressure gas butted line pipe fitting 2 in air accumulator 8, perforate connect in case 4 and sandwich valve 3 cavity is utilized to replace, it is full of after combustion gas until above-mentioned cavity, close exhaust-valve 6, wiring pipe fitting 2, perforate is made to connect the chamber pressure of case 4 and sandwich valve (3) identical with the pressure of high pressure gas pipeline 1, then allowing tapping machine 5 move down and starting tapping machine 5 makes it rotate, to high pressure gas pipeline 1 perforate；
D (), after step (c) terminates, is closed the first connection valve 9 and second and is connected valve 13, then open air bleeding valve 14 and exhaust-valve 6.
Embodiment described above is only that preferred implementation of the present utility model is described; not scope of the present utility model is defined; under the premise designing spirit without departing from this utility model; various deformation that the technical solution of the utility model is made by this area ordinary skill technical staff and improvement, all should fall in the protection domain that claims of the present utility model are determined.
Claims (5)
1. a gas pipeline plugging holes pressure equaliser, it includes: wiring pipe fitting (2) and tapping machine (5), the inner chamber of wiring pipe fitting (2) is that perforate connects case (4), case (4) is connected built with tapping machine (5) and sandwich valve (3) in perforate, during sandwich valve (3) Guan Bi, perforate is connected case (4) and is divided into two parts by sandwich valve (3), when sandwich valve (3) is opened, it is an entirety that perforate connects case (4) connection, it is characterized in that: it also includes: auxiliary connection pipe fitting (15), auxiliary tapping machine (10) and air accumulator (8), the inner chamber of auxiliary connection pipe fitting (15) connects case (11) for auxiliary perforate, case (11) is connected built with auxiliary tapping machine (10) and additional lock plate valve (12) in auxiliary perforate, during additional lock plate valve (12) Guan Bi, auxiliary perforate is connected case (11) and is divided into two parts by additional lock plate valve (12), when additional lock plate valve (12) is opened, it is an entirety that auxiliary perforate connects case (11) connection, perforate connects case (4) and connects case (11) be connected with air accumulator (8) respectively through pipeline with auxiliary perforate.
2. gas pipeline plugging holes pressure equaliser as claimed in claim 1, it is characterised in that: connect in auxiliary perforate and connect valve (9) equipped with first between case (11) and air accumulator (8).
3. gas pipeline plugging holes pressure equaliser as claimed in claim 2, it is characterised in that: connect in perforate and connect valve (13) equipped with second between case (4) and air accumulator (8).
4. gas pipeline plugging holes pressure equaliser as described in Claims 2 or 3, it is characterised in that: described air accumulator (8) is also equipped with Pressure gauge (7) and air bleeding valve (14).
5. as claimed in claim 4 gas pipeline plugging holes pressure equaliser, it is characterised in that: described perforate connects and is also equipped with exhaust-valve (6) on case (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620095372.1U CN205350710U (en) | 2016-01-29 | 2016-01-29 | Gas pipeline tapping shutoff pressure equaliser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620095372.1U CN205350710U (en) | 2016-01-29 | 2016-01-29 | Gas pipeline tapping shutoff pressure equaliser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205350710U true CN205350710U (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620095372.1U Active CN205350710U (en) | 2016-01-29 | 2016-01-29 | Gas pipeline tapping shutoff pressure equaliser |
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| Country | Link |
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| CN (1) | CN205350710U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673993A (en) * | 2016-01-29 | 2016-06-15 | 北京市燃气集团有限责任公司 | Hot tapping blockage pressure balancing device of fluid pipeline and method of hot tapping blockage pressure balancing device |
| CN112128985A (en) * | 2019-06-25 | 2020-12-25 | 芜湖美的厨卫电器制造有限公司 | Gas water heater's gas adjusting device and gas water heater that has it |
-
2016
- 2016-01-29 CN CN201620095372.1U patent/CN205350710U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673993A (en) * | 2016-01-29 | 2016-06-15 | 北京市燃气集团有限责任公司 | Hot tapping blockage pressure balancing device of fluid pipeline and method of hot tapping blockage pressure balancing device |
| CN112128985A (en) * | 2019-06-25 | 2020-12-25 | 芜湖美的厨卫电器制造有限公司 | Gas water heater's gas adjusting device and gas water heater that has it |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |