CN210071484U - Manifold tool based on partial pressure and pressure regulation - Google Patents

Manifold tool based on partial pressure and pressure regulation Download PDF

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Publication number
CN210071484U
CN210071484U CN201920446614.0U CN201920446614U CN210071484U CN 210071484 U CN210071484 U CN 210071484U CN 201920446614 U CN201920446614 U CN 201920446614U CN 210071484 U CN210071484 U CN 210071484U
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China
Prior art keywords
pressure
valve
seamless steel
pipe
steel pipe
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CN201920446614.0U
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Chinese (zh)
Inventor
王一帆
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Sinopec Engineering Group Co Ltd
Sinopec Nanjing Engineering Co Ltd
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Sinopec Engineering Group Co Ltd
Sinopec Nanjing Engineering Co Ltd
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Abstract

The utility model provides a manifold tool based on partial pressure and pressure regulation, which comprises a main pipe seamless steel pipe, a connecting pipe seamless steel pipe, a seal head, an inlet cut-off valve, an outlet cut-off valve, a pressure gauge cut-off valve and a pressure gauge; the pressure gauge is connected with the pressure gauge cut-off valve. The utility model discloses an open import trip valve and introduce partial pressure regulation collecting pipe frock with the water under high pressure, open the manometer trip valve and observe pressure, open simultaneously and adjust the export trip valve of being connected with pipeline pressure testing system, control the test pressure of the pipeline pressure testing system of a plurality of simultaneous pressure tests, this kind of frock can carry out a plurality of pipeline system's hydrostatic test simultaneously, can improve test efficiency, shorten test period, reduce test cost, and be favorable to improving the construction safety nature of pressure testing.

Description

Manifold tool based on partial pressure and pressure regulation
Technical Field
The utility model belongs to the technical field of the engineering construction technique and specifically relates to a based on partial pressure regulation collecting pipe frock.
Background
In the device construction such as petrochemical, coal chemical industry and electric power industry, there are a large amount of pipelines that need do the hydrostatic test, before the pressure testing, the device pipeline can divide into many little pressure testing systems, each system test pressure varies from several MPa to dozens of MPa, need fill water in the pipeline during the hydrostatic test, air in the pipe is cleared at the high point, reuse pressure testing pump rises intraductal pressure to intensity test pressure, the pressure release drains water after the inspection is qualified, traditional pressure testing method is that pressure testing system adopts system water filling one by one, step up, pressure release and the flow of draining, inefficiency, the interim pipeline installation volume of connecting from pressure testing pump to pressure testing system is big, the material waste is serious.
SUMMERY OF THE UTILITY MODEL
The utility model provides a problem to the aforesaid exists provides a based on partial pressure regulation collecting pipe frock, come simultaneously to a plurality of pipeline pressure testing system pressure testing with a pressure testing pump, introduce partial pressure regulation collecting pipe frock with the high pressure water through opening the import trip valve, open manometer trip valve observation pressure, open simultaneously and adjust the export trip valve of being connected with pipeline pressure testing system, control the test pressure of the pipeline pressure testing system of a plurality of simultaneous pressure testing, this kind of frock can carry out a plurality of pipeline system's hydrostatic test simultaneously, can improve test efficiency, shorten test period, reduce test cost, and be favorable to improving the construction safety nature of pressure testing.
The purpose of the utility model can be realized by the following technical scheme:
the utility model provides a manifold tool based on partial pressure and pressure regulation, which comprises a main pipe seamless steel pipe, a connecting pipe seamless steel pipe, a seal head, an inlet cut-off valve, an outlet cut-off valve, a pressure gauge cut-off valve and a pressure gauge; the pressure gauge is connected with the pressure gauge cut-off valve.
Further, the utility model discloses a based on partial pressure regulation collecting pipe frock, be responsible for both ends welding head, be responsible for the trompil welding and take over, take over again with import and export trip valve and manometer trip valve welding.
Further, the utility model discloses a based on partial pressure regulation collecting pipe frock, need detect a flaw after the welding is accomplished, wherein butt weld RT detects, and II is qualified, and fillet weld PT detects, and I is qualified.
Further, the utility model discloses a based on partial pressure regulation collecting pipe frock, the pressure testing pump is connected with the import trip valve, opens the import trip valve again and introduces partial pressure regulation collecting pipe frock with the high pressure water, opens the manometer trip valve and observes pressure.
Further, the utility model discloses a based on partial pressure regulating collecting pipe frock, the export trip valve is connected through the takeover with the pressure testing system, opens simultaneously and adjusts the export trip valve of being connected with pipeline pressure testing system, controls the test pressure of the pipeline pressure testing system of a plurality of simultaneous pressure tests, accomplishes pipeline pressure testing process.
Furthermore, the specification of the main pipe seamless steel pipe is DN100, SCH60 and 20#, and the length is 1000 mm.
Furthermore, the specifications of the connecting pipe seamless steel pipe and the connecting pipe are DN20, SCH60 and SCH 20#, and the length is 150 mm.
Furthermore, the seal heads are DN100, SCH60 and 20 #.
Furthermore, the specifications of the inlet cut-off valve and the outlet cut-off valve are carbon steel cut-off valves PN10 and DN 20.
The utility model adopts the above technical scheme to compare with prior art, have following technological effect:
1. the utility model has the advantages of simple structure, can come to carry out a plurality of pipeline pressure testing system pressure tests simultaneously through a pressure testing pump.
2. The utility model can improve the test efficiency, shorten the test period and reduce the test cost;
3. the utility model discloses be favorable to improving the construction safety nature of pressure testing.
Drawings
Fig. 1 is the utility model discloses a structural schematic based on partial pressure regulation collecting pipe frock.
Reference signs mean: 1: main pipe seamless steel pipe, 2: end socket, 3: connecting tube seamless steel tube, 4: inlet shutoff valve, 5: outlet shut-off valve, 6: pressure gauge trip valve, 7: pressure gauge, 8: and (6) taking over.
Detailed Description
The present invention will be further explained with reference to the following embodiments, but the scope of the present invention is not limited thereto:
a manifold tool based on partial pressure and pressure regulation comprises a main pipe seamless steel pipe (1), a seal head (2), a connecting pipe seamless steel pipe (3), an inlet cut-off valve (4), an outlet cut-off valve (5), a pressure gauge cut-off valve (6), a pressure gauge (7) and a connecting pipe (8);
be responsible for seamless steel pipe (1) both ends welding head (2), be responsible for trompil welding takeover seamless steel pipe (3) on seamless steel pipe (1), takeover seamless steel pipe (3) link to each other with import trip valve (4), export trip valve (5), manometer trip valve (6) again, manometer (7) are connected with manometer trip valve (6), take over (8) connecting tube pressure testing system.
In the technical scheme of the utility model, be responsible for seamless steel pipe (1) specification and be DN100, SCH60, 20#, length is 1000 mm.
In the technical scheme of the utility model, take over seamless steel pipe (3) and take over (8) specification and be DN20, SCH60, 20#, length is 150 mm.
In the technical scheme of the utility model, head (2) specification is DN100, SCH60, 20 #.
In the technical scheme of the utility model, import trip valve (4), export trip valve (5) specification are carbon steel stop valve PN10, DN 20.
The utility model discloses an open import trip valve and introduce partial pressure regulation collecting pipe frock with the water under high pressure, open the manometer trip valve and observe pressure, open simultaneously and adjust the export trip valve of being connected with pipeline pressure testing system, control the test pressure of the pipeline pressure testing system of a plurality of simultaneous pressure tests, this kind of frock can carry out a plurality of pipeline system's hydrostatic test simultaneously, can improve test efficiency, shorten test period, reduce test cost, and be favorable to improving the construction safety nature of pressure testing.
This frock is used in 2010 the big refining PO/SM project of land at sea, and about 312 kilometers process pipeline divide into 609 pressure testing systems, only just uses 45 days to accomplish whole pressure testing work, saves the pressure testing water consumption, has improved pressure testing efficiency greatly, shortens the pressure testing time, has solved the problem that a traditional pressure testing pump only filled water, had risen to the pressure testing system, the pressure release and the unreasonable pressure testing mode that drains had existed, is favorable to improving pressure testing efficiency, reduces the pressure testing cost.

Claims (5)

1. The utility model provides a based on partial pressure regulation collecting pipe frock which characterized in that: the tool comprises a main pipe seamless steel pipe (1), a seal head (2), a connecting pipe seamless steel pipe (3), an inlet stop valve (4), an outlet stop valve (5), a pressure gauge stop valve (6), a pressure gauge (7) and a connecting pipe (8);
be responsible for seamless steel pipe (1) both ends welding head (2), be responsible for trompil welding takeover seamless steel pipe (3) on seamless steel pipe (1), takeover seamless steel pipe (3) link to each other with import trip valve (4), export trip valve (5), manometer trip valve (6) again, manometer (7) are connected with manometer trip valve (6), take over (8) connecting tube pressure testing system.
2. The tool based on the partial pressure and pressure regulating manifold of claim 1, characterized in that: the specification of the main tube seamless steel tube (1) is DN100, SCH60 and 20#, and the length is 1000 mm.
3. The tool based on the partial pressure and pressure regulating manifold of claim 1, characterized in that: the specifications of the connecting pipe seamless steel pipe (3) and the connecting pipe (8) are DN20, SCH60 and 20#, and the length is 150 mm.
4. The tool based on the partial pressure and pressure regulating manifold of claim 1, characterized in that: the specification of the end socket (2) is DN100, SCH60 and 20 #.
5. The tool based on the partial pressure and pressure regulating manifold of claim 1, characterized in that: the specifications of the inlet cut-off valve (4) and the outlet cut-off valve (5) are carbon steel cut-off valves PN10 and DN 20.
CN201920446614.0U 2019-04-03 2019-04-03 Manifold tool based on partial pressure and pressure regulation Active CN210071484U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920446614.0U CN210071484U (en) 2019-04-03 2019-04-03 Manifold tool based on partial pressure and pressure regulation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920446614.0U CN210071484U (en) 2019-04-03 2019-04-03 Manifold tool based on partial pressure and pressure regulation

Publications (1)

Publication Number Publication Date
CN210071484U true CN210071484U (en) 2020-02-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920446614.0U Active CN210071484U (en) 2019-04-03 2019-04-03 Manifold tool based on partial pressure and pressure regulation

Country Status (1)

Country Link
CN (1) CN210071484U (en)

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