CN116717731A - Catheter tightness test method - Google Patents
Catheter tightness test method Download PDFInfo
- Publication number
- CN116717731A CN116717731A CN202310616236.7A CN202310616236A CN116717731A CN 116717731 A CN116717731 A CN 116717731A CN 202310616236 A CN202310616236 A CN 202310616236A CN 116717731 A CN116717731 A CN 116717731A
- Authority
- CN
- China
- Prior art keywords
- pressure
- conduit
- pipe
- tightness test
- catheter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010998 test method Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000012360 testing method Methods 0.000 claims abstract description 33
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 20
- 210000001503 joint Anatomy 0.000 claims abstract description 14
- 239000012530 fluid Substances 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000006641 stabilisation Effects 0.000 claims abstract description 5
- 238000011105 stabilization Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 9
- 238000004088 simulation Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
-
- 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
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
- G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The application discloses a catheter tightness test method, which comprises the following steps: and the tightness test process of the conduit pipeline is realized based on the conduit tightness test system under the condition of realizing pressure stabilization of the conduit pipeline or generating pressure impact. The water is pressurized by the press and is conveyed into the conduit pipe through the high-pressure water pipe, after the preset pressure is reached, the pressure stabilizing valve is closed to stabilize the pressure, whether leakage occurs at the butt joint of the conduit screw thread connector on the conduit pipe is observed, and the tightness test of the conduit pipe under the pressure stabilizing condition is realized; the high-pressure water body in the high-pressure container is impacted into the conduit pipe with a stable pressure state through the pressure-variable test pipe to generate pressure impact, so that the pressure impact on one end or two ends of the test conduit pipe is realized, the pressure impact generated when the pipe diameter change of fluid flowing in the conduit is realized during the simulation construction, and the problem that the pressure impact condition generated when the pipe diameter change of the fluid flowing in the conduit cannot be simulated during the construction in the prior art is solved.
Description
Technical Field
The application relates to a catheter tightness test method, and belongs to the technical field of pipeline pressure test.
Background
In construction, fluid medium is required to be conveyed through a pipeline, and in order to ensure the conveying safety, a tightness test is required to be carried out on the pipeline formed by butt joint and communication of a plurality of pipeline sections.
The prior flow tightness test system technology is disclosed as a gas pipeline tightness detector with a Chinese patent publication number of CN202676411U, and the disclosed technology is as follows: the hydraulic control valve and the pressurizing control valve are opened, the gas pipeline connecting valve is also in an open state, the gas pipeline is inflated and pressurized through the gas pressurizing device, the pressurizing process is slow, so that the pressure in the gas pipeline is ensured to rise stably, the pressurizing control valve is closed, and the pressure is maintained for 20 minutes; although the pressure stabilization test can be performed on the pipe connected to the gas pipe connection valve by the gas pressurizing device, there is a problem in that the pressure impact caused by the pipe diameter change of the fluid flowing in the pipe during the construction cannot be simulated.
Disclosure of Invention
In order to solve the technical problems, the application provides a catheter tightness test method.
The application is realized by the following technical scheme.
The application provides a catheter tightness test method, which comprises the following steps: and the tightness test process of the conduit pipeline is realized based on the conduit tightness test system under the condition of realizing pressure stabilization of the conduit pipeline or generating pressure impact.
The catheter tightness test system comprises:
adding water as a fluid into a press for boosting;
one end of the high-pressure water pipe is communicated with a water outlet of the press, and the other end of the high-pressure water pipe is communicated with the pressure stabilizing valve;
the pressure stabilizing valve is hermetically and communicatively arranged on the sealing head A;
and the end socket B is used for plugging the port at the other end of the conduit pipe, and a water ball valve is arranged on the end socket B in a sealing and communicating manner and used for discharging or adding water in the conduit pipe.
The pressure measuring device also comprises a high-pressure container with an inlet connected with an outlet of the press, wherein the outlet of the high-pressure container is communicated with one end of a pressure-variable measuring tube, and the other end of the pressure-variable measuring tube is respectively communicated with the end socket A and the end socket B through a pressure measuring valve A and a pressure measuring valve B by pipelines.
The press is provided with a water inlet for adding water.
The press is provided with a pressure gauge for displaying pressure.
The high-pressure container body is an elastically deformable container body or a rigid non-deformable container body.
The inlet of the high-pressure container is provided with a control valve A.
And the inlet of the high-pressure container is in butt joint communication with the outlet of the press through a control valve A.
And the outlet of the high-pressure container is provided with a control valve B.
And the outlet of the high-pressure container is in butt joint communication with the variable-pressure test tube through a control valve B.
The application has the beneficial effects that: the water is pressurized by the press and is conveyed into the conduit pipe through the high-pressure water pipe, after the preset pressure is reached, the pressure stabilizing valve is closed to stabilize the pressure, whether leakage occurs at the butt joint of the conduit screw thread connector on the conduit pipe is observed, and the tightness test of the conduit pipe under the pressure stabilizing condition is realized; the high-pressure water body in the high-pressure container is impacted into the conduit pipe with a stable pressure state through the pressure-variable test pipe to generate pressure impact, so that the pressure impact on one end or two ends of the test conduit pipe is realized, the pressure impact generated when the pipe diameter change of fluid flowing in the conduit is realized during the simulation construction, and the problem that the pressure impact condition generated when the pipe diameter change of the fluid flowing in the conduit cannot be simulated during the construction in the prior art is solved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present application;
FIG. 2 is a second schematic diagram of the structure of the present application;
in the figure: 1-a press; 11-a water adding port; 12-a pressure gauge; 2-a high-pressure water pipe; 3-a pressure stabilizing valve; 4-end socket A; 5-conduit tubing; 51-conduit screw joint; 6-end socket B; 7-a water ball valve; 8-a high-pressure vessel; 81-a pressure-variable test tube; 82-a pressure measuring valve A; 83-a pressure measuring valve B; 87-control valve a; 88-control valve B.
Detailed Description
The technical solution of the present application is further described below, but the scope of the claimed application is not limited to the above.
As shown in fig. 1-2.
The application relates to a catheter tightness test system, which comprises:
a press 1 provided with a water inlet 11 and a pressure gauge 12, wherein the press 1 adds water as fluid from the water inlet 11 to boost pressure; the press 1 is of the prior art and is not specifically stated in detail;
one end of the high-pressure water pipe 2 is communicated with the water outlet of the press 1, and the other end of the high-pressure water pipe 2 is communicated with the pressure stabilizing valve 3;
the pressure stabilizing valve 3 is arranged on the seal head A4 in a sealing and communicating way, and the seal head A4 is used for plugging one end port of the conduit pipe 5;
the device also comprises a sealing head B6 for blocking the port at the other end of the conduit pipe 5, wherein the sealing head B6 is provided with a water ball valve 7 in a sealing and communicating way for discharging or adding water in the conduit pipe 5; the conduit pipe 5 is formed by connecting a plurality of pipe sections in a communicating and abutting mode through conduit screw joints 51.
When the sealing head A4 is used, one end port of the conduit pipe 5 is sealed by the pressure stabilizing valve 3 communicated with the high-pressure water pipe 2, the sealing head B6 is used for sealing the other end port of the conduit pipe 5 by the water ball valve 7, the press 1 is used for conveying water into the conduit pipe 5 through the high-pressure water pipe 2 under pressure, whether leakage occurs at the butt joint of the conduit screw thread connector 51 on the conduit pipe 5 is observed, and the sealing test of the conduit pipe 5 under the pressure stabilizing condition is realized.
The high-pressure container is characterized by further comprising a high-pressure container 8, wherein the inlet of the high-pressure container is connected with the outlet of the press 1, the high-pressure container 8 is an elastic deformation container or a rigid non-deformable container, the outlet of the high-pressure container 8 is communicated with one end of a pressure-measuring tube 81, and the other end of the pressure-measuring tube 81 is communicated with the end sockets A4 and B6 through pipelines respectively through pressure measuring valves A82 and B83. The inlet and the outlet of the high-pressure container 8 are correspondingly provided with a control valve A87 and a control valve B88, the inlet of the high-pressure container 8 is in butt joint communication with the outlet of the press 1 through the control valve A87, and the outlet of the high-pressure container 8 is in butt joint communication with the pressure measuring tube 81 through the control valve B88.
When the high-pressure water pipe 2 completes the pressure stabilizing test process, the control valve A87 is opened, the control valve B88 is closed, the press 1 pressurizes and stores water into the high-pressure container 8, when the pressure impact at one end or two ends of the conduit pipe 5 is required to be tested, the corresponding pressure measuring valve A82 and the corresponding pressure measuring valve B83 are firstly opened, the control valve B88 is opened, the high-pressure water body in the high-pressure container 8 is impacted into the conduit pipe 5 with a pressure stabilizing state through the pressure measuring tube 81 to generate pressure impact, fluid flows in the conduit to generate pressure impact when the pipe diameter changes, and the problem that the fluid flows in the conduit to generate pressure impact when the pipe diameter changes when the construction cannot be simulated in the prior art is solved. And observing whether leakage occurs at the butt joint of the conduit screw joint 51 on the conduit pipe 5, so as to realize the tightness test of the conduit pipe 5 under the condition of pressure impact.
The application discloses a catheter tightness test method, which comprises the following steps: the tightness test process of the conduit pipe 5 is realized under the conditions of realizing pressure stabilization of the conduit pipe 5 or generating pressure impact based on the conduit tightness test system.
Specifically, a sealing head A4 seals one end port of a conduit pipe 5, a sealing head B6 seals the other end port of the conduit pipe 5, a press 1 pressurizes water and conveys the water to the interior of the conduit pipe 5 through a high-pressure water pipe 2, after the water reaches a preset pressure, a pressure stabilizing valve 3 is closed for stabilizing the pressure, whether leakage occurs at the butt joint of a conduit screw joint 51 on the conduit pipe 5 is observed, and a tightness test on the conduit pipe 5 under the pressure stabilizing condition is realized;
during the pressure stabilizing process, the control valve A87 is opened, the control valve B88 is closed, the press 1 pressurizes and stores water into the high-pressure container 8, the corresponding pressure measuring valve A82 and the corresponding pressure measuring valve B83 are opened, the control valve B88 is opened again, the high-pressure water in the high-pressure container 8 is impacted into the conduit pipe 5 with a pressure stabilizing state through the pressure measuring test tube 81 to generate pressure impact, the pressure impact on one end or two ends of the test conduit pipe 5 is realized, the pressure impact caused by the pipe diameter change of fluid flowing in the conduit during simulation construction is realized, and the problem that the pressure impact condition caused by the pipe diameter change of fluid flowing in the conduit during simulation construction in the prior art is solved. And observing whether leakage occurs at the butt joint of the conduit screw joint 51 on the conduit pipe 5, so as to realize the tightness test of the conduit pipe 5 under the condition of pressure impact.
The technology is derived from the project of the Jiangxi Ding nan Longgu lake.
Claims (8)
1. A method of testing the tightness of a catheter, comprising: and the tightness test process of the conduit pipeline (5) is realized based on the conduit tightness test system under the condition of realizing pressure stabilization or generating pressure impact on the conduit pipeline (5).
2. The catheter tightness test method according to claim 1, wherein: the catheter tightness test system comprises:
adding water as a fluid to a press (1) for boosting;
one end of the high-pressure water pipe (2) is communicated with a water outlet of the press (1), and the other end is communicated with the pressure stabilizing valve (3);
the sealing head A (4) is used for blocking one end port of the conduit pipe (5), and the pressure stabilizing valve (3) is arranged on the sealing head A (4) in a sealing and communicating way;
the end socket B (6) is used for blocking the port at the other end of the conduit pipe (5), and the end socket B (6) is hermetically communicated with a water ball valve (7) for discharging or adding water in the conduit pipe (5);
the high-pressure vessel is characterized by further comprising a high-pressure vessel body (8) with an inlet connected with an outlet of the press (1), wherein the outlet of the high-pressure vessel body (8) is communicated with one end of a pressure-variable test tube (81), and the other end of the pressure-variable test tube (81) is respectively communicated with the end socket A (4) and the end socket B (6) through a pressure measuring valve A (82) and a pressure measuring valve B (83).
3. The catheter tightness test method according to claim 2, wherein: the press (1) is provided with a water inlet (11) for adding water.
4. The catheter tightness test method according to claim 2, wherein: the press (1) is provided with a pressure gauge (12) for displaying pressure.
5. The catheter tightness test method according to claim 2, wherein: the inlet of the high-pressure container (8) is provided with a control valve A (87).
6. The catheter tightness test method according to claim 5, wherein: the inlet of the high-pressure container (8) is in butt joint communication with the outlet of the press (1) through a control valve A (87).
7. The catheter tightness test method according to claim 2, wherein: the outlet of the high-pressure container (8) is provided with a control valve B (88).
8. The catheter tightness test method according to claim 7, wherein: the outlet of the high-pressure container (8) is in butt joint communication with a pressure-variable test tube (81) through a control valve B (88).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310616236.7A CN116717731A (en) | 2023-05-29 | 2023-05-29 | Catheter tightness test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310616236.7A CN116717731A (en) | 2023-05-29 | 2023-05-29 | Catheter tightness test method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116717731A true CN116717731A (en) | 2023-09-08 |
Family
ID=87868947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310616236.7A Pending CN116717731A (en) | 2023-05-29 | 2023-05-29 | Catheter tightness test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116717731A (en) |
-
2023
- 2023-05-29 CN CN202310616236.7A patent/CN116717731A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102426142B (en) | Mechanics experiment system apparatus and experimental method for external pressure deformation of tubing | |
| CN102980709B (en) | Gas pressure and flow testing device and application thereof | |
| CN206627252U (en) | A kind of oil-gas pipeline water filling, pressure testing, drainage system | |
| CN108087719B (en) | Inflating device for small-sized sealing products and inflating method thereof | |
| CN104122049B (en) | A kind of high pressure airtightness testing method | |
| CN107192511A (en) | A kind of leak tightness test device | |
| CN219589907U (en) | Catheter tightness test system | |
| CN102829922B (en) | Water pressure tester for welding seal shell and test method thereof | |
| CN106969890A (en) | High pressure watertight system safety testing device | |
| CN116717731A (en) | Catheter tightness test method | |
| CN113414476A (en) | Pipeline butt-joint circumferential weld protective gas sealing device and method | |
| CN210397787U (en) | Gas is carried and is used preventing leaking valve | |
| CN113374907A (en) | Adjustable air pressure type pressure relief device and water hammer suppression method based on same | |
| CN106289747B (en) | Water and gas dual-purpose safety valve cold conditions comprehensive performance testing device | |
| CN204612880U (en) | A kind of leak-checking apparatus of heat interchanger | |
| CN211317708U (en) | Temperature alternating pressure fatigue test device for plate heat exchanger | |
| CN209166728U (en) | A kind of pipe insulation connector air-tight test portable inflatable device | |
| CN209878239U (en) | Water pressure leakage detection device for check valve of cooling water pipe | |
| CN201974277U (en) | Air-tight testing device | |
| CN208967043U (en) | A kind of pipeline transportation large scale reducer pipe temporarily connects sealing device | |
| CN207610941U (en) | A kind of high pressure hydrogen blowout disk pressure pulse test system | |
| CN211544631U (en) | Nitrogen pressurized pressure water tank capable of outputting solutions with different pressures | |
| CN214020655U (en) | Laboratory pressure device capable of simulating water depth | |
| CN112710441B (en) | Ball valve air tightness anhydrous detection system and method | |
| CN208816961U (en) | A kind of Pipe leakage stopper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |