CN116222891A - Pressure vessel leakage detection device - Google Patents
Pressure vessel leakage detection device Download PDFInfo
- Publication number
- CN116222891A CN116222891A CN202310514699.2A CN202310514699A CN116222891A CN 116222891 A CN116222891 A CN 116222891A CN 202310514699 A CN202310514699 A CN 202310514699A CN 116222891 A CN116222891 A CN 116222891A
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- China
- Prior art keywords
- pressure vessel
- soft
- wall
- flexible
- shell
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/02—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material to surfaces by single means not covered by groups B05C1/00 - B05C7/00, whether or not also using other means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
- Measuring Fluid Pressure (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The invention discloses a pressure vessel leakage detection device which relates to the technical field of pressure vessel detection, and comprises a flexible shell, wherein the flexible shell is fixedly arranged between an upper collar and a lower collar, the flexible shell is positioned at the center of the device, a hollow structure is arranged inside the flexible shell, a plurality of small holes are formed in the outer wall of the flexible shell, a flexible film coloring mechanism is arranged in each hole, the flexible film coloring mechanism is made of flexible materials and is easy to deform under pressure, a plurality of suckers are arranged on the outer wall of the flexible shell, the suckers are attached to the outer wall of the flexible shell, a gasket for covering and sealing the pressure vessel is arranged above the flexible shell, and the gasket is sleeved above an extraction opening; according to the invention, the soft film coloring mechanism is adopted to blow by the leakage gas of the pressure container, so that the pressure container is changed, the leakage is determined according to the position of the soft film, and the specific position of the leakage is determined.
Description
Technical Field
The invention relates to the technical field of pressure vessel detection, in particular to a pressure vessel leakage detection device.
Background
The pressure vessel is a closed device for containing gas or liquid and bearing a certain pressure. As a pressure container, the pressure container has good tightness, the tightness must be considered in industrial production, and the product can be used for containing gas or liquid after being produced by strict tightness test.
The existing technology mostly adopts an inert gas method and a liquid infiltration method for detection, but the two methods only can detect whether the pressure container has the air tightness problem, can not specifically detect where the pressure container has the air tightness problem, can not identify the specific production process in the production process of a factory, have no reference value on how to improve the production process of the factory, can not find the process problem, and can not reproduce qualified products.
Based on the above, the present invention has devised a pressure vessel leak detection apparatus to solve the above-mentioned problems.
Disclosure of Invention
The present invention is directed to a pressure vessel leak detection apparatus that solves the above-mentioned problems set forth in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a pressure vessel leak detection apparatus comprising a detection cylinder for encasing a pressure vessel, characterized in that: the inner chamber of a detection section of thick bamboo is installed the lantern ring respectively from top to bottom, and soft shell fixed mounting is in upper and lower two between the lantern ring, a plurality of apertures have been seted up to soft shell's lateral wall, detection section of thick bamboo outer wall corresponds the aperture has seted up the tube orifice, every all be provided with the soft membrane of normal indent in the aperture, detection section of thick bamboo top is equipped with and is used for with soft shell adsorbs the apron sealing mechanism at the pressure vessel outer wall, detection section of thick bamboo central point puts and is equipped with the inflation mechanism that is used for carrying out the gas tightness detection to the pressure vessel, the inner wall of soft membrane is equipped with the mechanism of scribbling that is used for the mark of point of leaking, trigger when the outside protrusion of soft membrane atress the mechanism action of scribbling.
Preferably, the color coating mechanism comprises a dye storage, a discharge hole blocked by the soft film in a normal state is arranged at the bottom of the dye storage, and when the soft film bulges outwards and expands, the discharge hole is opened and drops dye to the inner wall of the soft film.
Preferably, the top of the dye reservoir is provided with a feed port, and the top of the flexible shell is provided with a dye placing port which is used for communicating with a plurality of the feed ports.
Preferably, the cover plate sealing mechanism comprises a cover plate, the cover plate is matched with a lantern ring above the soft shell to seal the inner wall of the soft shell and the outer wall of the pressure container into a closed cavity, and a detection extraction opening for sucking air in the closed cavity is formed above the lantern ring.
Preferably, a plurality of suckers are fixedly arranged on the inner wall of the soft shell.
Preferably, the detection extraction opening is provided with a plurality of flow dividing blocks which are used for being communicated with the sucker.
Preferably, the inflation mechanism comprises a container extraction port and a gasket.
Preferably, a flexible ring is arranged at the lower end of the lantern ring above the flexible shell, and the lower end of the flexible ring is connected with the flexible shell.
Preferably, a motor for driving the pressure vessel to integrally rotate is arranged at the top of the detection cylinder.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the flexible film is blown by the leakage gas of the pressure container, the direct bulge detection cylinder is visually changed, the leakage position can be manually and visually determined according to the position of the flexible film, the specific position of the leakage is determined by marking the leakage point by matching with the coloring mechanism, the leakage position is further fed back to the production line, and the processing technology of the leakage position is improved.
2. According to the invention, the dye storage and the soft film coloring mechanism are arranged, so that the gas leakage position is visualized on the outer wall of the pressure container, the leakage position can be determined after the pressure container is taken out, the specific analysis of the production process problem is facilitated, the process is improved, and the qualified product is produced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the interior of the present invention;
FIG. 3 is an interior elevation view of the present invention;
FIG. 4 is a cross-sectional view of the present invention;
FIG. 5 is a schematic view of an airway of the present invention;
FIG. 6 is a schematic view of a soft film coloring mechanism according to the present invention;
FIG. 7 is a cross-sectional view of a dye reservoir according to the present invention;
FIG. 8 is a graph of the pressure vessel's non-leaking effect;
FIG. 9 is a partial view of a pressure vessel without leakage;
FIG. 10 is a pressure vessel leakage effectiveness graph;
FIG. 11 is a partial view of a pressure vessel leak;
FIG. 12 is a diagram of concave state characteristics within the soft film painting mechanism;
fig. 13 is a characteristic diagram of the convex state of the soft film coloring mechanism.
In the drawings, the list of components represented by the various numbers is as follows:
1. a flexible housing; 2. a collar; 20. a flexible ring 3 for detecting the air extraction opening; 31. a shunt block; 4. a dye placement port; 5. a container air extraction opening; 6. a gasket; 7. a suction cup; 8. a soft film coloring mechanism; 81. a soft film; 82. a dye reservoir; 9. detecting a barrel; 91. a motor; 92. and the cover plate sealing mechanism.
Detailed Description
Referring to fig. 1-13, the present invention provides a technical solution: the utility model provides a pressure vessel leak detection device, including the detection section of thick bamboo 9 that is used for wrapping the pressure vessel, the lantern ring 2 is installed respectively to the upper and lower position of inner chamber of detection section of thick bamboo 9, flexible shell 1 fixed mounting is between two lantern rings 2 from top to bottom, a plurality of apertures have been seted up to the lateral wall of flexible shell 1, the barrel hole has been seted up to the outer wall of detection section of thick bamboo 9 corresponding aperture, all be provided with the soft membrane 81 of normal indent in every aperture, detection section of thick bamboo 9 top is equipped with the apron sealing mechanism that is used for adsorbing flexible shell 1 at the pressure vessel outer wall, detection section of thick bamboo 9 central point is put and is equipped with the inflation mechanism that is used for carrying out the gas tightness detection to the pressure vessel, the inner wall position of soft membrane 81 is equipped with the mechanism that is used for marking the point of giving out, trigger the mechanism action of giving a mark when the soft membrane 81 atress outwards protrudes;
during operation, the pressure vessel is placed in the detection barrel 9, the cover plate 92 of the lantern ring 2 and the cover plate sealing mechanism is sleeved and matched with the pressure vessel and the detection barrel 9, the detection barrel 9 and the upper opening of the pressure vessel are sealed, the pressure vessel, the soft shell 1 and the soft membrane 81 of the normal indent on the soft shell 1 are tightly adhered together by extracting internal gas, then gas is filled into the pressure vessel, gas flows out from the leakage part of the pressure vessel, the soft membrane 81 of the indent at the corresponding position is outwards propped by the gas to protrude out the inner wall of the soft shell 1, and when the soft membrane 81 is outwards propped out, the coloring mechanism is triggered, when the leaked gas is extracted, the soft membrane 81 is changed into a concave state from the protruding state, the outer wall of the pressure vessel at the leakage position is marked and colored, so that staff can observe where leakage occurs, and the processing technology is timely changed.
As a further scheme of the invention, the coloring mechanism comprises a dye storage 82, wherein a discharge hole which is blocked by a soft film 81 under normal state is arranged at the bottom of the dye storage 82, and when the soft film 81 bulges outwards and expands, the discharge hole is opened and the dye drops to the inner wall of the soft film 81;
during operation, the initial position of the soft film coloring mechanism 8 is located inside the soft structure shell and is in an inward concave state, the soft film 81 protrudes from the hole wall of the soft structure shell under the action of gas leaked from the pressure vessel, when the soft film 81 is in the inward concave state, the arc-shaped inner wall of the soft film 81 blocks the discharge port, the soft film 81 at the discharge port protrudes outwards and releases the sealing of the discharge port by means of the protruding of the soft film 81, dye in the dye storage 82 slides to the inner cavity of the soft film 81 in the protruding state after the hole is bulged along the inner side wall of the soft film 81 when the soft film 81 leaks from the discharge port in the process of changing the inward concave state, when the gas is extracted from the pressure vessel and the soft shell 1, the soft film 81 rebounds to the original position rapidly, the dye is beaten on the pressure vessel to carry out coloring marks on the leakage position of the pressure vessel, the whole-course operation is realized, the whole-course operation only needs to be put into the pressure vessel, then the sealing mechanism is covered, the gas is introduced twice before and after the pressure vessel is detected, the detection speed of the pressure vessel depends on the vessel size and the speed, the speed of the vessel is not satisfied, and the rapid rebound effect can be realized as long as the rapid rebound effect is satisfied.
As a further aspect of the present invention, the top of the dye reservoir 82 is provided with a feed port, and the top of the flexible casing 1 is provided with a dye placement port 4 for communicating with a plurality of feed ports;
in operation, dye placement port 4 places dye into the fuel reservoir 82 for detection by flowing internally to each of the feed ports.
As a further scheme of the invention, the cover plate sealing mechanism comprises a cover plate 92, the cover plate 92 is matched with a lantern ring 2 above the soft shell 1 to seal the inner wall of the soft shell 1 and the outer wall of the pressure container into a closed cavity, and a detection extraction opening 3 for sucking air of the closed cavity is arranged above the lantern ring 2;
during operation, the cover plate 92 covers the upper part of the detection barrel 9, and the lantern ring 2 can enable the inside of the soft shell 1 to form a sealed cavity, so that the detection result is more accurate because the detection extraction opening 3 can not be interfered by external air pressure when extracting air.
As a further scheme of the invention, a plurality of suckers 7 are fixedly arranged on the inner wall of the soft shell 1;
during operation, when the flexible shell 1 is tightly attached to the wall of the pressure container, the sucker 7 can suck the pressure container, so that the positions of the pressure container and the flexible shell 1 are determined, the relative movement between the pressure container and the flexible shell 1 is avoided, and the detection position is ensured to be more accurate.
As a further scheme of the invention, the detection extraction opening 3 is provided with a plurality of diversion blocks 31 which are used for being communicated with the sucker 7;
during operation, detect extraction opening 3 to the inside bleed, take out the gas between flexible shell 1 and the pressure vessel, make flexible shell 1 can hug closely the pressure vessel outer wall, when ending, detect extraction opening 3 to inside input air, make hug closely the state lax, with gas direction sucking disc 7 through reposition of redundant personnel piece 31 for sucking disc 7 can relax, is convenient for remove and takes out the pressure vessel.
As a further aspect of the present invention, the inflation mechanism includes a container suction opening 5 and a gasket 6;
during operation, the inflation mechanism is used for inflating gas into the pressure vessel through the vessel air extraction opening 5, and the gasket 6 is positioned around the vessel air extraction opening 5, so that the periphery of the vessel air extraction opening 5 can be ensured to have enough tightness.
As a further scheme of the invention, the lower end of the lantern ring 2 above the soft shell 1 is provided with a flexible ring 20, and the lower end of the flexible ring 20 is connected with the soft shell 1;
when the flexible shell 1 is in operation, the flexible shell 1 deforms when being subjected to pressure pumping and pressure relief, and the flexible ring 20 at the upper end can deform along with the deformation of the flexible shell 1, so that the tightness can be ensured.
As a further scheme of the invention, the top of the detection cylinder 9 is provided with a motor 91 for driving the pressure vessel to integrally rotate;
during operation, during actual operation, because the surperficial aperture of flexible shell 1 can't just aim at covering the pressure vessel surface, consequently set up motor 91, motor 91 can rotate certain angle according to setting up the aperture and realize the whole coverage detection effect of lateral wall after once detecting, through rotatory for the pressure vessel wall can detect once, prevents to miss.
Claims (9)
1. A pressure vessel leak detection apparatus comprising a detection cylinder (9) for encasing a pressure vessel, characterized in that: the utility model discloses a flexible test device for the pressure vessel, including flexible shell (1), detection section of thick bamboo (9), inner chamber upper and lower position of detection section of thick bamboo (9) is installed lantern ring (2) respectively, flexible shell (1) fixed mounting is in upper and lower two between lantern ring (2), a plurality of apertures have been seted up to the lateral wall of flexible shell (1), detection section of thick bamboo (9) outer wall corresponds the aperture has been seted up, every all be provided with soft membrane (81) of normal indent in the aperture, detection section of thick bamboo (9) top is equipped with and is used for with flexible shell (1) adsorb the apron sealing mechanism at the pressure vessel outer wall, detection section of thick bamboo (9) central point puts and is equipped with the inflation system that is used for carrying out the gas tightness detection to pressure vessel, the inner wall of soft membrane (81) is equipped with the mechanism that is used for the mark of giving vent to the color, trigger when soft membrane (81) atress outwards protrusion the mechanism action of giving the color.
2. A pressure vessel leak detection apparatus as defined in claim 1, wherein: the color coating mechanism comprises a dye storage (82), a discharge hole which is blocked by the soft film (81) in a normal state is arranged at the bottom of the dye storage (82), and when the soft film (81) bulges outwards and expands, the discharge hole is opened and dye is dripped to the inner wall of the soft film (81).
3. A pressure vessel leak detection apparatus as defined in claim 2, wherein: the top of the dye reservoir (82) is provided with a feed inlet, and the top of the soft shell (1) is provided with a dye placing inlet (4) which is used for being communicated with a plurality of the feed inlets.
4. A pressure vessel leak detection apparatus as defined in claim 1, wherein: the cover plate sealing mechanism comprises a cover plate (92), the cover plate (92) is matched with a lantern ring (2) above the soft shell (1) to seal the inner wall of the soft shell (1) and the outer wall of the pressure container into a closed cavity, and a detection extraction opening (3) for sucking air in the closed cavity is formed in the upper part of the lantern ring (2).
5. The pressure vessel leak detection apparatus as defined in claim 4, wherein: the inner wall of the soft shell (1) is fixedly provided with a plurality of suckers (7).
6. A pressure vessel leak detection apparatus as defined in claim 5, wherein: the detection extraction opening (3) is provided with a plurality of diversion blocks (31) which are used for being communicated with the sucker (7).
7. A pressure vessel leak detection apparatus as defined in claim 1, wherein: the inflation mechanism comprises a container air extraction opening (5) and a gasket (6).
8. A pressure vessel leak detection apparatus as defined in claim 1, wherein: the lower end of the lantern ring (2) above the soft shell (1) is provided with a flexible ring (20), and the lower end of the flexible ring (20) is connected with the soft shell (1).
9. A pressure vessel leak detection apparatus as defined in claim 1, wherein: the top of the detection cylinder (9) is provided with a motor (91) for driving the pressure vessel to integrally rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310514699.2A CN116222891B (en) | 2023-05-09 | 2023-05-09 | Pressure vessel leakage detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310514699.2A CN116222891B (en) | 2023-05-09 | 2023-05-09 | Pressure vessel leakage detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116222891A true CN116222891A (en) | 2023-06-06 |
| CN116222891B CN116222891B (en) | 2023-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310514699.2A Active CN116222891B (en) | 2023-05-09 | 2023-05-09 | Pressure vessel leakage detection device |
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| CN (1) | CN116222891B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117030134A (en) * | 2023-10-08 | 2023-11-10 | 广东冠鸿智能装备有限公司 | Bottle sealing detection device and detection method thereof |
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| CN1051705A (en) * | 1989-10-16 | 1991-05-29 | 利彼诺伊实业公司 | Outer bread a kind of product of rigid shell, and this product has been determined an internal volume and had an air-tight chamber that occupies this internal volume at least |
| WO2012110825A2 (en) * | 2011-02-18 | 2012-08-23 | Otter Controls Limited | Appliances and components therefor |
| US20140099360A1 (en) * | 2012-10-10 | 2014-04-10 | Do Yoon Kim | Gas Storage Vessel, Hydrogen-Charging Method, and Hydrogen-Charging Apparatus |
| CN104114454A (en) * | 2011-12-21 | 2014-10-22 | 先科材料有限公司 | Liner-based shipping and dispensing systems |
| CN108557285A (en) * | 2018-05-22 | 2018-09-21 | 西华大学 | Cylinder type normal pressure container |
| CN212844216U (en) * | 2020-09-27 | 2021-03-30 | 周鹏 | Boiler pressure vessel leakage detection device |
| CN115076614A (en) * | 2022-06-15 | 2022-09-20 | 烟台市特种设备检验研究院 | Leak protection detection device is used in pipeline under pressure inspection |
-
2023
- 2023-05-09 CN CN202310514699.2A patent/CN116222891B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1051705A (en) * | 1989-10-16 | 1991-05-29 | 利彼诺伊实业公司 | Outer bread a kind of product of rigid shell, and this product has been determined an internal volume and had an air-tight chamber that occupies this internal volume at least |
| WO2012110825A2 (en) * | 2011-02-18 | 2012-08-23 | Otter Controls Limited | Appliances and components therefor |
| CN104114454A (en) * | 2011-12-21 | 2014-10-22 | 先科材料有限公司 | Liner-based shipping and dispensing systems |
| US20140099360A1 (en) * | 2012-10-10 | 2014-04-10 | Do Yoon Kim | Gas Storage Vessel, Hydrogen-Charging Method, and Hydrogen-Charging Apparatus |
| CN108557285A (en) * | 2018-05-22 | 2018-09-21 | 西华大学 | Cylinder type normal pressure container |
| CN212844216U (en) * | 2020-09-27 | 2021-03-30 | 周鹏 | Boiler pressure vessel leakage detection device |
| CN115076614A (en) * | 2022-06-15 | 2022-09-20 | 烟台市特种设备检验研究院 | Leak protection detection device is used in pipeline under pressure inspection |
Non-Patent Citations (1)
| Title |
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| 祁德路;徐进伟;韩玉;张雷;: "极寒地区大型陆地液化天然气(LNG)模块设备海运维护方法和耗材选用", 中国石油和化工标准与质量, no. 17 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117030134A (en) * | 2023-10-08 | 2023-11-10 | 广东冠鸿智能装备有限公司 | Bottle sealing detection device and detection method thereof |
| CN117030134B (en) * | 2023-10-08 | 2024-04-05 | 广东冠鸿智能装备有限公司 | Bottle sealing detection device and detection method thereof |
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| Publication number | Publication date |
|---|---|
| CN116222891B (en) | 2023-07-04 |
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