CN104634546A - Fusible plug operating temperature and anti-extrusion test pressurizing device - Google Patents
Fusible plug operating temperature and anti-extrusion test pressurizing device Download PDFInfo
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- CN104634546A CN104634546A CN201310549842.8A CN201310549842A CN104634546A CN 104634546 A CN104634546 A CN 104634546A CN 201310549842 A CN201310549842 A CN 201310549842A CN 104634546 A CN104634546 A CN 104634546A
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- fusible plug
- connecting pipe
- control valve
- extrusion test
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Abstract
The invention provides a fusible plug operating temperature and anti-extrusion test pressurizing device comprising an internal threaded joint (10) which is used for installing a fusible plug (40), a connecting pipe (20) which includes a connector connected with a fast testing joint (50), and a gas control valve (30) which is connected between the internal threaded joint (10) and the connecting pipe (20) and is used for controlling on-off of the air passage of the internal threaded joint (10) and the connecting pipe (20). The fusible plug operating temperature and anti-extrusion test pressure device can prevent the hidden safety troubles of gas leakage and fast testing joint fly-off during fusible plug operating temperature and anti-extrusion pressurization testing in the prior art.
Description
Technical field
The present invention relates to fusible plug applied voltage test field, in particular to a kind of yield temperature of fusible plug and anti-extrusion test pressue device.
Background technology
Fusible plug is flowing by being contained in the fusible alloy in consent or fusing and carries out action, not reproducible closedown, detachable pressure-relieving device.Consent is in closed condition under normal circumstances, the flowing of fusible alloy at a given temperature in consent or fusing, is released by medium and makes pressure vessel pressure release, has an accident because of intensification superpressure to prevent in pressure vessel medium.
Fusible plug has operating temperature, and operating temperature refers to when testing, the temperature of constant temperature oven when the fusible alloy flowing in fusible plug or fusing.
Fig. 1 is existing fusible plug frock inflating pressure schematic diagram, as can be seen from this figure, this fusible plug frock comprises female adapter 10 ' and copper pipe 20 ', female adapter 10 ' and common copper pipe 20 ' are frock main body, copper pipe 20 ' during inflating pressure directly puts fast survey joint 50 ', after inflating pressure, fast survey joint 50 ' continues to be enclosed within copper pipe 20 ', low-pressure nitrogen gas outlet with soon survey joint 50 ' and be separated, the O-ring seal of fast survey joint 50 ' seals up the nitrogen be charged between copper pipe 20 ' and fusible plug 40 ', to prevent charge leakage.
When fusible plug frock works, be only applicable to pressure not higher than 2MPa environment owing to surveying joint soon, and fusible plug adds pressure request and is not less than 2.5MPa, therefore exist in process of the test and there is gas leakage and the fast potential safety hazard surveyed joint and fly out.
Summary of the invention
The present invention aims to provide a kind of yield temperature of fusible plug and anti-extrusion test pressue device, leaks gas and the fast potential safety hazard surveyed joint and fly out to solve yield temperature of fusible plug and anti-extruding in applied voltage test process in prior art.
To achieve these goals, according to an aspect of the present invention, provide a kind of yield temperature of fusible plug and anti-extrusion test pressue device, it is characterized in that, comprising: female adapter, for installing fusible plug; Connecting pipe, comprises and the connector surveyed joint soon and be connected; And gas control valve, be connected between female adapter and connecting pipe, for controlling the gas path on-off of female adapter and connecting pipe.
Further, gas control valve is stop valve.
Further, connecting pipe is enlarging technique copper pipe, and the flared end of enlarging technique copper pipe is connected to gas control valve.
Further, yield temperature of fusible plug and anti-extrusion test pressue device comprise and survey joint soon.
Further, yield temperature of fusible plug and anti-extrusion test pressue device also comprise the gas tank being connected to fast survey joint.
Further, gas control valve is removably connected with connecting pipe.
Further, seal is provided with between gas control valve and connecting pipe.
Further, weld between gas control valve with female adapter.
Further, also set nut is provided with between connecting pipe and gas control valve.
Apply technical scheme of the present invention, yield temperature of fusible plug and anti-extrusion test pressue device comprise female adapter, connecting pipe and gas control valve, and female adapter is for installing fusible plug; Connecting pipe includes and the connector surveyed joint soon and be connected; Gas control valve, is connected between female adapter and connecting pipe, for controlling the gas path on-off of female adapter and connecting pipe.When using this pressue device to test fusible plug, first can connect on connecting pipe and surveying joint soon, then opening gas control valve and inflate, after inflating pressure, can gas control valve be closed, then connecting pipe is separated with gas control valve, fusible plug is tested.Because the test of now fusible plug carries out pressurize by gas control valve, therefore can avoiding being under pressure too high and the gas leakage that occurs and the fast problem surveyed joint and fly out owing to surveying joint soon when testing, improving the security of fusible plug test.In addition, to inflate complete fusible plug test time, because the gas between fusible plug and female adapter no longer carries out pressurize by fast joint of surveying, thus the gas control valve that the connecting pipe disassembled and fast survey joint can continue to be connected to other proceeds inflation, complete the simultaneous test of multiple sample, faster and more convenient operation.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the structural representation of fusible plug inflating pressure test fixture of the prior art; And
Fig. 2 shows the structural representation of yield temperature of fusible plug and anti-extrusion test pressue device according to an embodiment of the invention.
Reference numeral: 10, female adapter; 20, connecting pipe; 30, gas control valve; 40, fusible plug; 50, joint is surveyed soon; 60, gas tank.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
As shown in Figure 2, according to embodiments of the invention, yield temperature of fusible plug and anti-extrusion test pressue device comprise female adapter 10, connecting pipe 20 and gas control valve 30, and wherein female adapter 10 is for installing fusible plug 40; Connecting pipe 20 includes and the connector surveyed joint 50 soon and be connected, for surveys joint 50 soon and is connected, to pressurize to gas injection in female adapter 10; Gas control valve 30 is connected between female adapter 10 and connecting pipe 20, for controlling the gas path on-off of female adapter 10 and connecting pipe 20.
When using this pressue device to test fusible plug 40, first fast survey joint 50 can be connected on connecting pipe 20, then open gas control valve 30 to inflate, after inflating pressure, gas control valve 30 can be closed, then connecting pipe 20 is separated with gas control valve 30, fusible plug 40 is tested.Because the test of now fusible plug 40 carries out pressurize by gas control valve 30, therefore can avoiding being under pressure too high and the gas leakage that occurs and the fast problem surveyed joint 50 and fly out owing to surveying joint 50 soon when testing, improving the security that fusible plug 40 is tested.In addition, to inflate complete fusible plug 40 test time, because the gas between fusible plug 40 and female adapter 10 is no longer by surveying joint 50 carries out pressurize soon, thus the gas control valve 30 that the connecting pipe 20 disassembled and fast survey joint 50 can continue to be connected to other proceeds inflation, complete the simultaneous test of multiple sample, faster and more convenient operation.
Preferably, gas control valve 30 is stop valve, and the first connector of stop valve is connected to female adapter 10, second connector and is connected to connecting pipe 20.This gas control valve 30 also can be other the valve that effectively can control gas path on-off.
Preferably, connecting pipe 20 is enlarging technique copper pipe, and the flared end of enlarging technique copper pipe is connected to gas control valve 30.The end of enlarging technique copper pipe is flaring structure, and flaring structure is with nut, and nut is for being screwed onto the mouth of pipe of stop valve.
Yield temperature of fusible plug and anti-extrusion test pressue device can also comprise fast survey joint 50, and this is surveyed joint 50 soon and is removably connected on enlarging technique copper pipe.
For the ease of providing pressed gas to fusible plug, yield temperature of fusible plug and anti-extrusion test pressue device also comprise the gas tank 60 being connected to fast survey joint 50, when needs carry out pneumatic compression to pressue device, the valve in the exit of gas tank 60 can be opened, then inflated by fast joint 50 of surveying.Gas-pressurized is herein preferably nitrogen, the stable chemical nature of nitrogen, cheap, is a kind of excellent pressurized test gas.
Preferably, gas control valve 30 is removably connected with connecting pipe 20, can realize the dismounting between gas control valve 30 easily.
Preferably, between gas control valve 30 and connecting pipe 20, be provided with seal, more effectively can ensure that pressue device is to impermeability when inflating between female adapter 10 and fusible plug 40.
Preferably, be welded as a whole between gas control valve 30 and female adapter 10.Due in whole test process, gas control valve 30 and female adapter 10 integrally use all the time, and cannot be removed another separately, therefore gas control valve 30 and female adapter 10 are welded together herein, the impermeability between gas control valve 30 and female adapter 10 can be ensured better, be also convenient to installing and using of gas control valve 30 and female adapter 10 simultaneously.
Set nut can also be provided with between connecting pipe 20 and gas control valve 30, complete after being connected between gas control valve 30 with connecting pipe 20, can by the connection between this set nut locking connecting pipe 20 and gas control valve 30, prevent from occurring between connecting pipe 20 and gas control valve 30 in operation to loosen, improve the steadiness connected.
When the yield temperature of fusible plug and anti-extrusion test pressue device that use the present embodiment carry out work, can according to carrying out operating temperature, self screw thread specification of the fusible plug 40 of anti-extrusion test, choose the pressurization frock of band corresponding specification female adapter 10, enlarging technique copper pipe and fast survey joint 50 is coordinated during inflating pressure, add as requested to press in stop valve and be filled with certain pressure nitrogen, self locked feature of stop valve is utilized to carry out locked after inflating pressure completes, the fast enlarging technique copper pipe surveyed joint 50 and coordinate can be removed afterwards, then the inflating pressure of next sample is carried out.The pressue device of a fusible plug 40 pressurizes can to remove after complete cut out stop valve and surveys joint 50 and enlarging technique copper pipe soon, then the stop valve with fusible plug 40 can be put into jointly high-temperature cabinet and carry out the operating temperature of fusible plug 40, the checking of anti-extrusion test.It should be noted that to ensure when inflating pressure stop valve be in opening locked time cannot inflating pressure, and then the low pressure end opening gas tank 60 carries out pneumatic compression, after first locked stop valve remove again and survey joint 50 and enlarging technique copper pipe soon.
The simultaneous test of multiple sample can be realized by this yield temperature of fusible plug and anti-extrusion test pressue device, only need to survey joint 50 by fast during inflating pressure, fast survey joint 50 and enlarging technique copper pipe can be removed after inflating pressure, then next and follow-up fusible plug 40 are carried out pneumatic compression.In whole inflating pressure process, one only need be used to survey joint 50 soon, fast survey joint 50 realizes the connection with enlarging technique copper pipe, test unit before can eliminating is the fast potential safety hazard surveyed joint 50 and fly out in high-temperature cabinet, avoid surveying soon O-ring seal in joint 50, because being in time length in hot environment, the problem that cannot seal occurs to lose efficacy, safety can be ensured again while improving test efficiency, and this frock realizes conveniently, by existing production material, simultaneously simple to operate.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect:
1, can effectively prevent from Leakage Gas and the fast problem surveyed joint and fly out occur in test process.
2, one-piece construction is simple, easy to operate, dependable performance.
3, can survey by one the simultaneous test that joint completes multiple samples of same size soon, effectively can reduce testing cost, improve testing efficiency.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. yield temperature of fusible plug and an anti-extrusion test pressue device, is characterized in that, comprising:
Female adapter (10), for installing fusible plug (40);
Connecting pipe (20), comprises and the connector surveyed joint (50) soon and be connected; And
Gas control valve (30), is connected between described female adapter (10) and described connecting pipe (20), for controlling the gas path on-off of described female adapter (10) and described connecting pipe (20).
2. yield temperature of fusible plug according to claim 1 and anti-extrusion test pressue device, is characterized in that, described gas control valve (30) is stop valve.
3. yield temperature of fusible plug according to claim 1 and anti-extrusion test pressue device, is characterized in that, described connecting pipe (20) is enlarging technique copper pipe, and the flared end of described enlarging technique copper pipe is connected to described gas control valve (30).
4. yield temperature of fusible plug according to claim 1 and anti-extrusion test pressue device, is characterized in that, described yield temperature of fusible plug and anti-extrusion test pressue device comprise described fast survey joint (50).
5. yield temperature of fusible plug according to claim 4 and anti-extrusion test pressue device, is characterized in that, described yield temperature of fusible plug and anti-extrusion test pressue device also comprise the gas tank (60) being connected to described fast survey joint (50).
6. yield temperature of fusible plug according to claim 1 and anti-extrusion test pressue device, is characterized in that, described gas control valve (30) is removably connected with described connecting pipe (20).
7. yield temperature of fusible plug according to claim 1 and anti-extrusion test pressue device, is characterized in that, is provided with seal between described gas control valve (30) and described connecting pipe (20).
8. yield temperature of fusible plug according to claim 1 and anti-extrusion test pressue device, is characterized in that, welds between described gas control valve (30) with described female adapter (10).
9. yield temperature of fusible plug according to claim 1 and anti-extrusion test pressue device, is characterized in that, is also provided with set nut between described connecting pipe (20) and described gas control valve (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310549842.8A CN104634546A (en) | 2013-11-07 | 2013-11-07 | Fusible plug operating temperature and anti-extrusion test pressurizing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310549842.8A CN104634546A (en) | 2013-11-07 | 2013-11-07 | Fusible plug operating temperature and anti-extrusion test pressurizing device |
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| CN104634546A true CN104634546A (en) | 2015-05-20 |
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| CN201310549842.8A Pending CN104634546A (en) | 2013-11-07 | 2013-11-07 | Fusible plug operating temperature and anti-extrusion test pressurizing device |
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Cited By (2)
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| CN106248355A (en) * | 2016-07-12 | 2016-12-21 | 中国石油化工股份有限公司 | Fusible plug fatigue test device |
| CN111157235A (en) * | 2018-11-08 | 2020-05-15 | 中国石油化工股份有限公司 | Overtemperature closing performance testing device and method for emergency cut-off valve |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106248355A (en) * | 2016-07-12 | 2016-12-21 | 中国石油化工股份有限公司 | Fusible plug fatigue test device |
| CN111157235A (en) * | 2018-11-08 | 2020-05-15 | 中国石油化工股份有限公司 | Overtemperature closing performance testing device and method for emergency cut-off valve |
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Application publication date: 20150520 |
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