CN109991094A - A kind of horizontal hydraulic test method of large pressurized vessel - Google Patents

A kind of horizontal hydraulic test method of large pressurized vessel Download PDF

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Publication number
CN109991094A
CN109991094A CN201910374244.9A CN201910374244A CN109991094A CN 109991094 A CN109991094 A CN 109991094A CN 201910374244 A CN201910374244 A CN 201910374244A CN 109991094 A CN109991094 A CN 109991094A
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China
Prior art keywords
water
pressure
container
pressure testing
test
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Pending
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CN201910374244.9A
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Chinese (zh)
Inventor
王宏伟
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Chang Hua Machine (suzhou) Heavy Equipment Co Ltd
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Chang Hua Machine (suzhou) Heavy Equipment Co Ltd
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Priority to CN201910374244.9A priority Critical patent/CN109991094A/en
Publication of CN109991094A publication Critical patent/CN109991094A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • G01N3/10Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
    • G01N3/12Pressure testing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0001Type of application of the stress
    • G01N2203/0003Steady
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014Type of force applied
    • G01N2203/0016Tensile or compressive
    • G01N2203/0019Compressive
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/003Generation of the force
    • G01N2203/0042Pneumatic or hydraulic means
    • G01N2203/0048Hydraulic means

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The present invention relates to a kind of horizontal hydraulic test methods of large pressurized vessel, include the following steps: A: tooling needed for preparing test;B: will be placed on gantry crane to pressure testing container, then slowly toward decentralization, make to sink in external water source naturally to pressure testing container in horizontal, entirely to pressure testing container submerged, only nozzle expose the surface when after filling water in pressure testing container;C: and then platform of temporarily going away is set up, water filling port is sealed, into water pressure test program;D: it will be emptied to the gas in pressure testing container until having water to be discharged from exhaust outlet by exhaust outlet, then seal exhaust outlet, suppressed by pressure pump to mouth is suppressed, carry out the water pressure test;E: after the completion of the water pressure test, pressure gauge is removed, opens exhaust outlet, by suction pump from water filling port toward extracardiac pumping, after the water in pressure testing container all exhausts, crane slings container, the pressure testing for completing container, collapses due to the gravity by internal water is influenced so as to avoid to pressure testing container.

Description

A kind of horizontal hydraulic test method of large pressurized vessel
[technical field]
The present invention relates to pressure vessel field more particularly to a kind of horizontal hydraulic test methods of large pressurized vessel.
[background technique]
Pressure vessel will do it pressure testing before factory, and the more common test method of industry is that the water pressure test is tried with air pressure It tests, due to gas pressure test risk with higher, compares gas pressure test, water pressure test application is more extensive.
In recent years, with the raising of equipment manufacture ability, the enlargement of chemical plant installations also becomes trend, also brings list The enlargement of turret vessel equipment.The pressure testing of super large container becomes a big difficulty of manufacture.The large-scale smithwelding pressure vessel of picture, It is smaller to test difficulty, because its wall thickness is thicker, rigidity preferably, usually carries out that container unstability will not be generated when horizontal hydraulic test; As large plate weld container, test difficulty with regard to larger because its volume is big, wall thickness is thin, carry out horizontal hydraulic test when need by Its entire internal chamber fills water, and the weight of water will cause chamber wall to collapse, and generates unstability, destroys container.For large plate Container is welded, industry was also attempted to be tested using the following method, i.e., large plate weldering vertical vessel is used making in site, manufactured At rear progress vertical water pressure test, but since large plate weldering container is in factory, limited by workshop free height and lifting, it can not Can be by the superelevation container vertically-arranged of manufacture completion, therefore the method discovery is also unworkable, it is last still to use the higher gas of risk Pressure test.
Therefore, it is necessary to provide a kind of horizontal hydraulic test method of large pressurized vessel for solving above-mentioned technical problem.
[summary of the invention]
To solve the above problems, the purpose of the present invention is to provide a kind of weight of avoidable water, and chamber wall to be caused to collapse Horizontal hydraulic test method.
To achieve the above object, the technical scheme adopted by the invention is as follows: a kind of horizontal hydraulic test of large pressurized vessel Method, includes the following steps: A: suction pump, pressure pump, pressure gauge needed for preparing test, pour water with bend pipe, exhaust bend pipe, Gauge manifold, air pressure adapter tube, closed blind plate, gasket, gantry crane and lifting hawser;B: will pass through to pressure testing container Lifting hawser is placed on gantry crane, is then loosened lifting hawser, is made to pressure testing container to be under the effect of gravity in horizontal Naturally sink in external water source, when after filling water in pressure testing container entirely to pressure testing container submerged, only by pressure testing Nozzle exposes the surface;C: gantry crane tenses and locks lifting hawser, the platform of temporarily going away when then setting up operation and checking, close Water filling port is sealed, and installs pressure gauge and pressure pump, into water pressure test program;D: will be to the gas in pressure testing container by exhaust outlet Body is emptied until there is water to be discharged from exhaust outlet, is then sealed exhaust outlet, is suppressed by pressure pump to mouth is suppressed, carries out hydraulic pressure Test;E: after the completion of the water pressure test, removing pressure gauge, opens exhaust outlet and drew water by suction pump from water filling port toward extracardiac pumping With the reduction to the gravity of water in pressure testing container in journey, container floats naturally, after the water in pressure testing container all exhausts, Crane slings container, is transferred from test site, is placed into ground support, completes the pressure testing of container.
Preferably, the horizontal hydraulic test method of one of present invention large pressurized vessel is further arranged to: described External water source is river, river, lake or sea.
Preferably, the horizontal hydraulic test method of one of present invention large pressurized vessel is further arranged to: when outer When portion water source is sea, needs to treat pressure testing container after the completion of test at once and carry out clear water flushing, in case seawater causes corruption to container Erosion.
Compared with prior art, the invention has the following beneficial effects: the present invention treats pressure testing container using external water source The principle that the buoyancy of generation balances each other with the gravity to water in pressure testing container, so as to pressure testing container not by the huge of internal pressure testing water Power caused by big weight, collapses because being affected by gravity so as to avoid to pressure testing container, solves large pressurized vessel water Press the destabilization problems of test.
[Detailed description of the invention]
Fig. 1 is the structural schematic diagram of the medium-and-large-sized pressure vessel of the present invention, and which disclose situations when sinking to external water source.
In Fig. 1: 1, pressure gauge, 2, lifting hawser, 3, to pressure testing container, 4, external water source, 5, platform of temporarily going away, 6, note The mouth of a river, 7, exhaust outlet, 8, suppress mouth.
[specific embodiment]
Below by specific embodiment to a kind of horizontal hydraulic test method work of large pressurized vessel of the present invention It is described in further detail.
Join shown in Fig. 1, a kind of horizontal hydraulic test method of large pressurized vessel includes the following steps: A: preparing test Required suction pump, pressure pump, pressure gauge 1 are poured water with bend pipe, exhaust bend pipe, gauge manifold, air pressure adapter tube, close It closes with blind plate, gasket, gantry crane and lifting hawser 2;B: will be placed on gantry crane to pressure testing container 3 by lifting by crane hawser 2, Then loosen lifting hawser 2, make to sink to naturally in external water source 4 in horizontal under the effect of gravity to pressure testing container 3, outside Portion water source 4 can be river, river, lake or sea, when external water source 4 is sea, need to treat pressure testing container 3 at once after the completion of test Clear water flushing is carried out, in case seawater causes to corrode to container.When entirely heavy to pressure testing container 3 after filling water in pressure testing container 3 Enter in water, only the nozzle of pressure testing exposes the surface;C: gantry crane tenses and locks lifting hawser 2, then sets up operation and inspection Platform 5 of temporarily going away when looking into, seals water filling port 6, and install pressure gauge 1 and pressure pump, into water pressure test program, hydraulic pressure examination Test the item that program is identical as the common water pressure test program of industry, needs to pay attention to during the water pressure test are as follows: each close before pressure testing Envelope position is handled well as far as possible, is guaranteed sealed reliable, is not leaked, and each position while welding makes visible marking, with can be quasi- Really judge the weld seam leaked, can be easy to find out leakage by carrying out Magnetic testing to the weld seam leaked after pressure testing Point, is repaired;D: it will be emptied until there is water to be discharged from exhaust outlet 7, then to the gas in pressure testing container 3 by exhaust outlet 7 Exhaust outlet 7 is sealed, is suppressed by pressure pump to mouth 8 is suppressed, the water pressure test is carried out;E: after the completion of the water pressure test, pressure is removed Power table 1 opens exhaust outlet 7, by suction pump from water filling port 6 toward extracardiac pumping, with to water in pressure testing container 3 in pump process The reduction of gravity, container float naturally, and after the water in pressure testing container 3 all exhausts, crane slings container, distancing test Place is placed into ground support, completes the pressure testing of container.
In conclusion the present invention treats the buoyancy that pressure testing container generates and the weight to water in pressure testing container using external water source The principle that power balances each other so as to power caused by pressure testing the container not huge weight by internal pressure testing water, so as to avoid to Pressure testing container is collapsed because being affected by gravity, and solves the destabilization problems of the large pressurized vessel water pressure test.
The principles and effects of the invention, and the implementation that part uses only is illustrated in the above embodiments Example, and is not intended to limit the present invention;It should be pointed out that for those of ordinary skill in the art, not departing from wound of the present invention Under the premise of making design, various modifications and improvements can be made, and these are all within the scope of protection of the present invention.

Claims (3)

1. a kind of horizontal hydraulic test method of large pressurized vessel, which comprises the steps of:
A: suction pump, pressure pump, pressure gauge needed for preparing test are poured water with bend pipe, exhaust bend pipe, gauge manifold, are beaten Air pressure adapter tube, closed blind plate, gasket, gantry crane and lifting hawser;
B: it will be placed on gantry crane to pressure testing container by lifting by crane hawser, and then loosen lifting hawser, make to exist to pressure testing container Sunk in external water source naturally under the action of self gravity in horizontal, when after filling water in pressure testing container entirely to pressure testing container Submerged only exposes the surface the nozzle of pressure testing;
C: gantry crane tenses and locks lifting hawser, and the platform of temporarily going away when then setting up operation and checking seals water filling port, And pressure gauge and pressure pump are installed, into water pressure test program;
D: by exhaust outlet by pressure testing container gas empty until have water from exhaust outlet be discharged, then seal exhaust outlet, It is suppressed by pressure pump to mouth is suppressed, carries out the water pressure test;
E: after the completion of the water pressure test, removing pressure gauge, opens exhaust outlet and drew water by suction pump from water filling port toward extracardiac pumping With the reduction to the gravity of water in pressure testing container in journey, container floats naturally, after the water in pressure testing container all exhausts, Crane slings container, is transferred from test site, is placed into ground support, completes the pressure testing of container.
2. a kind of horizontal hydraulic test method of large pressurized vessel as described in claim 1, it is characterised in that: the outside Water source is river, river, lake or sea.
3. a kind of horizontal hydraulic test method of large pressurized vessel as described in claim 1, it is characterised in that: work as external water When source is sea, needs to treat pressure testing container after the completion of test at once and carry out clear water flushing, in case seawater causes to corrode to container.
CN201910374244.9A 2019-05-07 2019-05-07 A kind of horizontal hydraulic test method of large pressurized vessel Pending CN109991094A (en)

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Application Number Priority Date Filing Date Title
CN201910374244.9A CN109991094A (en) 2019-05-07 2019-05-07 A kind of horizontal hydraulic test method of large pressurized vessel

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS607341A (en) * 1983-06-28 1985-01-16 Yokohama Rubber Co Ltd:The Water-pressure testing method for pneumatic fender
JPS60151193A (en) * 1984-01-18 1985-08-09 Mitsui Eng & Shipbuild Co Ltd Strength testing method of lng spherical tank
CN2935115Y (en) * 2006-08-04 2007-08-15 杭州金牛机械设备有限公司 Gas cylinder water pressure testing device
CN201066330Y (en) * 2007-06-30 2008-05-28 中国北车集团西安车辆厂 Micro-control water pressure testing table
CN201438166U (en) * 2009-04-30 2010-04-14 陕西理工学院 Automatic control device for hydraulic pressure test and gas tight test
CN201575957U (en) * 2009-12-29 2010-09-08 罗务勤 Semiautomatic control device for hydraulic test and air tightness test of pressure vessel
CN102887307A (en) * 2011-07-22 2013-01-23 天津市海王星海上工程技术有限公司 Novel underwater oil storage device adopting oil-gas displacement
CN103175659A (en) * 2013-02-04 2013-06-26 李连清 Technological method for testing natural gas cylinders
CN103552666A (en) * 2013-09-29 2014-02-05 南京航空航天大学 Underwater counterweight buoy and method for operating same
CN206387596U (en) * 2016-11-25 2017-08-08 安徽水韵环保科技有限公司 A kind of environmentally friendly water fetching device

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS607341A (en) * 1983-06-28 1985-01-16 Yokohama Rubber Co Ltd:The Water-pressure testing method for pneumatic fender
JPS60151193A (en) * 1984-01-18 1985-08-09 Mitsui Eng & Shipbuild Co Ltd Strength testing method of lng spherical tank
CN2935115Y (en) * 2006-08-04 2007-08-15 杭州金牛机械设备有限公司 Gas cylinder water pressure testing device
CN201066330Y (en) * 2007-06-30 2008-05-28 中国北车集团西安车辆厂 Micro-control water pressure testing table
CN201438166U (en) * 2009-04-30 2010-04-14 陕西理工学院 Automatic control device for hydraulic pressure test and gas tight test
CN201575957U (en) * 2009-12-29 2010-09-08 罗务勤 Semiautomatic control device for hydraulic test and air tightness test of pressure vessel
CN102887307A (en) * 2011-07-22 2013-01-23 天津市海王星海上工程技术有限公司 Novel underwater oil storage device adopting oil-gas displacement
CN103175659A (en) * 2013-02-04 2013-06-26 李连清 Technological method for testing natural gas cylinders
CN103552666A (en) * 2013-09-29 2014-02-05 南京航空航天大学 Underwater counterweight buoy and method for operating same
CN206387596U (en) * 2016-11-25 2017-08-08 安徽水韵环保科技有限公司 A kind of environmentally friendly water fetching device

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* Cited by examiner, † Cited by third party
Title
张茹雅 等: "二氧化碳闪蒸塔的制造及检验", 《化工装备技术》 *
李薇薇 等: "大型浮顶油罐海水试压的临时防护", 《油气田地面工程》 *

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Application publication date: 20190709