CN111595686A - Hydraulic pressure bearing test device and method for horizontal pressure container - Google Patents
Hydraulic pressure bearing test device and method for horizontal pressure container Download PDFInfo
- Publication number
- CN111595686A CN111595686A CN202010513764.6A CN202010513764A CN111595686A CN 111595686 A CN111595686 A CN 111595686A CN 202010513764 A CN202010513764 A CN 202010513764A CN 111595686 A CN111595686 A CN 111595686A
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- Prior art keywords
- water
- hydraulic pressure
- bearing test
- sealing
- pressure vessel
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- 238000012360 testing method Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 68
- 238000007789 sealing Methods 0.000 claims abstract description 42
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
Abstract
The invention discloses a hydraulic pressure bearing test device and method for a horizontal pressure container, belongs to the field of pressure containers, and aims to solve the problem that high-point gas in a cylinder body cannot be exhausted in a hydraulic pressure bearing test for the horizontal pressure container by adopting a conventional hydraulic pressure sealing cover. The invention comprises a sealing cover, a water inlet pipe and an exhaust pipe, wherein the sealing cover is used for sealing an end opening of a cylinder body of a pressure container; the sealing cover is provided with two through holes of an air pipe hole and a water pipe hole; the outer side end of the water pipe hole is fixedly connected with the water outlet end of the water inlet pipe, the inner side end of the air pipe hole is fixedly connected with one end of the exhaust pipe, the exhaust pipe is bent upwards, and a gap of 1-5 mm is formed between the other end of the exhaust pipe and the highest point in the pressure container barrel body.
Description
Technical Field
The invention relates to a hydraulic pressure bearing test of a pressure container, belonging to the field of pressure containers.
Background
After the pressure container is welded, a hydraulic pressure bearing test is required to test the welding quality, a vertical water injection mode is conventionally adopted, water is injected into the pressure container from a pipe connecting port at the lower part of the pressure container, and an exhaust port is arranged at the top of the container. After confirming that the container was filled with water and the gas was completely exhausted, the pressure was slowly increased for the test.
However, sometimes the horizontal pressure vessel is limited by the product design form to be incapable of carrying out the hydraulic pressure bearing test vertically, or the horizontal pressure vessel is too large in volume to cause the hydraulic pressure bearing test in the vertical water injection mode to be incapable, and at the moment, the problem that the gas at the high point in the cylinder body cannot be exhausted when the hydraulic pressure bearing test is carried out in the conventional hydraulic pressure sealing cover form is solved, the hydraulic pressure test effect is influenced under the condition that the gas in the pressure vessel is not exhausted, and the test cannot be carried out in serious cases.
Disclosure of Invention
The invention aims to solve the problem that high-point gas in a cylinder body cannot be exhausted in a hydraulic pressure bearing test of a horizontal pressure container by adopting a conventional hydraulic pressure sealing cover, and provides a hydraulic pressure bearing test device and method for the horizontal pressure container.
The invention relates to a hydraulic pressure bearing test device of a horizontal pressure container, which comprises a sealing cover 101, a water inlet pipe 102 and an exhaust pipe 103, wherein the sealing cover 101 is used for sealing an end opening of a cylinder body 200 of the pressure container;
the sealing cover 101 is provided with two through holes, namely an air pipe hole 101-1 and a water pipe hole 101-2; the outer side end of the water pipe hole 101-2 is fixedly connected with the water outlet end of the water inlet pipe 102, the inner side end of the air pipe hole 101-1 is fixedly connected with one end of the exhaust pipe 103, the exhaust pipe 103 is bent upwards, and a gap of 1-5 mm is formed between the other end of the exhaust pipe 103 and the highest point in the pressure container barrel body 200.
Preferably, the pressure vessel further comprises a lifting lug 104, wherein the lifting lug 104 is arranged on the outer circumference of the cover 101 and is used for suspending the cover 101 to the end opening of the pressure vessel barrel 200.
Preferably, a plurality of mounting holes 101-4 are formed in the circumferential direction of the cover 101, and the cover 101 is assembled with the pressure vessel barrel 200 through the studs 106, the nuts 108, and the spacers 107.
Preferably, the inner end surface of the cover 101 is provided with a sealing groove 101-3, the sealing groove 101-3 is an annular groove, and a sealing ring 105 is arranged inside the annular groove.
Preferably, the sealing ring 105 is an octagonal gasket.
Preferably, the external port of the water pipe hole 101-2 is a threaded port for plugging the plug screw after the air exhaust is completed.
Preferably, the water inlet of the water inlet pipe 102 is a threaded opening for connecting a pressure gauge and a water source.
The invention also provides a method which is realized based on the hydraulic pressure bearing test device for horizontal water injection of the pressure container, and the method comprises the following steps:
firstly, hoisting a seal cover 101 to an opening at the end part of a pressure vessel cylinder body 200 through a lifting lug, and moving the seal cover 101 transversely until a seal ring 105 enters a seal groove 101-3 of the seal cover 101 and a seal groove corresponding to the pressure vessel cylinder body 200;
secondly, assembling the sealing cover 101 and the pressure vessel barrel body 200 together by utilizing the stud 106, the nut 108 and the gasket 107;
step three, opening a water source, supplying water into the pressure container barrel body 200 through the water inlet pipe 102 until water flows out of the air pipe hole 101-1, and plugging and locking the air pipe hole 101-1 by using a screw plug;
and step four, pressurizing water supply to perform a hydraulic pressure bearing test.
The invention has the advantages that: the exhaust type water pressure device disclosed by the invention has the advantages that the structure is simple, the operation is convenient, the pressure container which needs to be horizontally used for carrying out a water pressure bearing test can be effectively tested, the technical problem that the water pressure test of the product is difficult is solved, the air in the cylinder body is exhausted while water is fed, and the water pressure test effect is ensured.
Drawings
FIG. 1 is a schematic structural diagram of a hydraulic pressure bearing test device of a horizontal pressure vessel according to the invention;
fig. 2 is a schematic view of the structure of the closure.
Detailed Description
The first embodiment is as follows: the following describes the present embodiment with reference to fig. 1 and fig. 2, and the hydraulic pressure bearing test apparatus for a horizontal pressure vessel in the present embodiment includes a cover 101, a water inlet pipe 102 and an exhaust pipe 103, wherein the cover 101 is used for sealing an end opening of a pressure vessel barrel 200;
the sealing cover 101 is provided with two through holes, namely an air pipe hole 101-1 and a water pipe hole 101-2; the outer side end of the water pipe hole 101-2 is fixedly connected with the water outlet end of the water inlet pipe 102, the inner side end of the air pipe hole 101-1 is fixedly connected with one end of the exhaust pipe 103, the exhaust pipe 103 is bent upwards, and a gap of 1-5 mm is formed between the other end of the exhaust pipe 103 and the highest point in the pressure container barrel body 200.
The cover 101 is provided with a plurality of mounting holes 101-4 along the circumferential direction, and the cover 101 is assembled with the pressure vessel barrel 200 through the studs 106, the nuts 108 and the gaskets 107.
The inner end face of the sealing cover 101 is provided with a sealing groove 101-3, the sealing groove 101-3 is an annular groove, and a sealing ring 105 is arranged in the sealing groove.
The seal ring 105 is an octagonal gasket.
The outer port of the water pipe hole 101-2 is a threaded port and is used for plugging a screw plug after the air exhaust is finished.
The water inlet of the water inlet pipe 102 is a threaded opening for connecting a pressure gauge and a water source.
An external water source injects water into the pressure container barrel body 200 through the water inlet pipe 102, the water level in the pressure container barrel body 200 gradually rises along with the external water injection, internal gas is exhausted to the outside from the exhaust pipe 103, when the water level rises to the highest point, the exhaust pipe port at the highest point in the pressure container barrel body 200 exhausts the last gas and then exhausts the internal water to the outside of the barrel, when the fact that the gas in the gas pipe hole 101-1 is exhausted is observed, pressurization can be started to perform a hydraulic pressure bearing test, and at the moment, the outer end opening of the gas pipe hole 101-1 is plugged by a screw plug, so that only water in the pressure bearing test can be achieved.
The second embodiment is as follows: the present embodiment, which is a method for testing the hydraulic pressure of horizontal water injection in a pressure vessel, is described below with reference to fig. 1 and 2, and is realized based on the apparatus according to the first embodiment.
The method comprises the following steps:
firstly, hoisting a seal cover 101 to an opening at the end part of a pressure vessel cylinder body 200 through a lifting lug, and moving the seal cover 101 transversely until a seal ring 105 enters a seal groove 101-3 of the seal cover 101 and a seal groove corresponding to the pressure vessel cylinder body 200;
the outer port of the pressure vessel barrel body 200 is also provided with an annular sealing groove, and half of the sealing rings 105 respectively fall into the two sealing grooves, and play a role in sealing after being fastened.
Secondly, assembling the sealing cover 101 and the pressure vessel barrel body 200 together by utilizing the stud 106, the nut 108 and the gasket 107;
for assembly, mounting holes corresponding to the sealing caps 101 are inevitably formed in the outer end of the pressure vessel cylinder 200, and the studs 106 are fixedly connected through the mounting holes corresponding to one another.
Step three, opening a water source, supplying water into the pressure container barrel body 200 through the water inlet pipe 102 until water flows out of the air pipe hole 101-1, and plugging and locking the air pipe hole 101-1 by using a screw plug;
and step four, pressurizing water to carry out a water pressure bearing test, continuously pressurizing the water and recording the test.
Claims (8)
1. The hydraulic pressure bearing test device of the horizontal pressure container is characterized by comprising a sealing cover (101), a water inlet pipe (102) and an exhaust pipe (103), wherein the sealing cover (101) is used for sealing an end opening of a cylinder body (200) of the pressure container;
the sealing cover (101) is provided with two through holes, namely an air pipe hole (101-1) and a water pipe hole (101-2); the outer side end of the water pipe hole (101-2) is fixedly connected with the water outlet end of the water inlet pipe (102), the inner side end of the air pipe hole (101-1) is fixedly connected with one end of the exhaust pipe (103), the exhaust pipe (103) is bent upwards, and a gap of 1-5 mm is formed between the other end of the exhaust pipe (103) and the highest point in the pressure container barrel body (200).
2. The hydraulic pressure bearing test device of the horizontal pressure vessel according to claim 1, further comprising a lifting lug (104), wherein the lifting lug (104) is arranged on the outer circumference of the cover (101) and is used for suspending the cover (101) to the end opening of the pressure vessel barrel body (200).
3. The hydraulic pressure bearing test device of the horizontal pressure vessel is characterized in that a plurality of mounting holes (101-4) are formed in the sealing cover (101) along the circumferential direction, and the sealing cover (101) is assembled with the pressure vessel barrel body (200) through a stud (106), a nut (108) and a gasket (107).
4. The hydraulic pressure bearing test device of the horizontal pressure vessel according to claim 3, wherein the inner end face of the sealing cover (101) is provided with a sealing groove (101-3), the sealing groove (101-3) is an annular groove, and a sealing ring (105) is arranged in the sealing groove.
5. The device for testing the hydraulic pressure bearing capacity of the horizontal pressure vessel is characterized in that the sealing ring (105) adopts an octagonal gasket.
6. The hydraulic pressure bearing test device of the horizontal pressure vessel according to claim 1, wherein the outer port of the water pipe hole (101-2) is a threaded port for plugging a plug screw after the air exhaust is completed.
7. The hydraulic pressure bearing test device of the horizontal pressure vessel as claimed in claim 1, wherein the water inlet of the water inlet pipe (102) is a threaded port for connecting a pressure gauge and a water source.
8. A method which is realized based on the hydraulic pressure bearing test device of the horizontal pressure vessel in claim 5 and is characterized by comprising the following steps:
firstly, hoisting a seal cover (101) to an opening at the end part of a pressure vessel cylinder body (200) through a lifting lug, and moving the seal cover transversely until a seal ring (105) enters a seal groove (101-3) of the seal cover (101) and a seal groove corresponding to the pressure vessel cylinder body (200);
secondly, assembling a sealing cover (101) and a pressure container barrel body (200) together by utilizing a stud (106), a nut (108) and a gasket (107);
step three, opening a water source, supplying water into the pressure container barrel body (200) through the water inlet pipe (102) until water flows out of the air pipe hole (101-1), and plugging and locking the air pipe hole (101-1) by using a screw plug;
and step four, pressurizing water supply to perform a hydraulic pressure bearing test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010513764.6A CN111595686A (en) | 2020-06-08 | 2020-06-08 | Hydraulic pressure bearing test device and method for horizontal pressure container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010513764.6A CN111595686A (en) | 2020-06-08 | 2020-06-08 | Hydraulic pressure bearing test device and method for horizontal pressure container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111595686A true CN111595686A (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010513764.6A Pending CN111595686A (en) | 2020-06-08 | 2020-06-08 | Hydraulic pressure bearing test device and method for horizontal pressure container |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004333307A (en) * | 2003-05-08 | 2004-11-25 | Furoomu:Kk | Connection work auxiliary device for compressed-gas cylinder pressure test |
| CN102426142A (en) * | 2011-09-14 | 2012-04-25 | 西安石油大学 | Mechanics experiment system apparatus and experimental method for external pressure deformation of tubing |
| CN102721605A (en) * | 2012-06-19 | 2012-10-10 | 茂名重力石化机械制造有限公司 | Pressure testing tool for opening connecting tubes without flange seal |
| CN104359766A (en) * | 2014-12-03 | 2015-02-18 | 沈阳汇博热能设备有限公司 | Float type exhaust device |
| CN205384120U (en) * | 2016-01-26 | 2016-07-13 | 浙江乐鼎波纹管有限公司 | Pressure seal pressure testing frock |
| CN207610933U (en) * | 2017-12-29 | 2018-07-13 | 中国南方电网有限责任公司调峰调频发电公司 | A kind of water-filling exhaust apparatus of accumulation of energy unit Horizontal pressure gas tank |
| CN210071526U (en) * | 2019-04-11 | 2020-02-14 | 原瑜 | Exhaust device for hydraulic test of pressure vessel |
-
2020
- 2020-06-08 CN CN202010513764.6A patent/CN111595686A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004333307A (en) * | 2003-05-08 | 2004-11-25 | Furoomu:Kk | Connection work auxiliary device for compressed-gas cylinder pressure test |
| CN102426142A (en) * | 2011-09-14 | 2012-04-25 | 西安石油大学 | Mechanics experiment system apparatus and experimental method for external pressure deformation of tubing |
| CN102721605A (en) * | 2012-06-19 | 2012-10-10 | 茂名重力石化机械制造有限公司 | Pressure testing tool for opening connecting tubes without flange seal |
| CN104359766A (en) * | 2014-12-03 | 2015-02-18 | 沈阳汇博热能设备有限公司 | Float type exhaust device |
| CN205384120U (en) * | 2016-01-26 | 2016-07-13 | 浙江乐鼎波纹管有限公司 | Pressure seal pressure testing frock |
| CN207610933U (en) * | 2017-12-29 | 2018-07-13 | 中国南方电网有限责任公司调峰调频发电公司 | A kind of water-filling exhaust apparatus of accumulation of energy unit Horizontal pressure gas tank |
| CN210071526U (en) * | 2019-04-11 | 2020-02-14 | 原瑜 | Exhaust device for hydraulic test of pressure vessel |
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Application publication date: 20200828 |
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| RJ01 | Rejection of invention patent application after publication |