CN109323825A - A kind of valve detection device - Google Patents
A kind of valve detection device Download PDFInfo
- Publication number
- CN109323825A CN109323825A CN201811216870.7A CN201811216870A CN109323825A CN 109323825 A CN109323825 A CN 109323825A CN 201811216870 A CN201811216870 A CN 201811216870A CN 109323825 A CN109323825 A CN 109323825A
- Authority
- CN
- China
- Prior art keywords
- valve
- opening
- pressure
- chamber
- shutting
- Prior art date
Links
- 238000009434 installation Methods 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 238000003384 imaging method Methods 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000003321 amplification Effects 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 239000007789 gases Substances 0.000 description 6
- 239000007788 liquids Substances 0.000 description 3
- 241001081830 Degeneriaceae Species 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000002463 transducing Effects 0.000 description 2
- 239000011901 water Substances 0.000 description 2
- 280000255884 Dispatching companies 0.000 description 1
- 210000000664 Rectum Anatomy 0.000 description 1
- 230000001276 controlling effects Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagrams Methods 0.000 description 1
- 238000005516 engineering processes Methods 0.000 description 1
- 239000011521 glasses Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000011499 joint compounds Substances 0.000 description 1
- 239000002184 metals Substances 0.000 description 1
- 238000000034 methods Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reactions Methods 0.000 description 1
- 239000003921 oils Substances 0.000 description 1
- 239000000843 powders Substances 0.000 description 1
- 238000002360 preparation methods Methods 0.000 description 1
- 239000000047 products Substances 0.000 description 1
- 230000002285 radioactive Effects 0.000 description 1
- -1 steam Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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
- G01M3/2876—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 valves
Abstract
Description
Technical field
The present invention relates to detection device technology field more particularly to a kind of valve detection devices.
Background technique
Valve be in the fluid system, for control the direction of fluid, pressure, flow device, be to make piping and equipment Interior medium (liquid, gas, powder) flows or stops and can control the device of its flow.
Valve is that control unit in pipeline fluid conveying system has for changing access section and flow direction of medium The functions such as water conservancy diversion, cut-off, throttling, non-return, shunting or overflow release.For the valve of fluid control, from simplest shut-off valve To various valves used in extremely complex robot control system(RCS), kind and specification are various, and the inside nominal diameter of valve is from atomic small Gauge valve greatly to latus rectum reach 10m industrial pipeline valve.It can be used for controlling water, steam, oil product, gas, mud, various corrosion The various types such as property medium, liquid metal and radioactive fluid fluidly flow, and the operating pressure of valve can be from 0.0013MPa To the super-pressure of 1000MPa, operating temperature can be from -270 DEG C of ultralow temperature to 1430 DEG C of high temperature.
A variety of kinds of drive can be used in the control of valve, such as manually, electrically, surge, pneumatically, turbine, electromagnetic driven, electromagnetic liquid Dynamic, electro-hydraulic dynamic, air-or liquid-operated, spur gear, umbrella tooth wheel drive etc.；It can be in the effect of pressure, temperature or other forms transducing signal Under, it is acted by scheduled requirement, or do not depend on transducing signal and simply opened or closed, valve is by driving or certainly Motivation structure goes up and down opening and closing element, slides, swing or rotary motion, to change the size of its flow area to realize its control Function.
Valve needs to make a strength test and air-tight test before use of dispatching from the factory, and is carrying out valve air-tightness at present When test, usually valve is fixed on high pressure ventilation pipe, is then put into pipeline and valve in sink simultaneously, into pipeline High pressure gas is passed through to examine whether valve air-tightness meets the requirements.
Since valve is all mounted on pressure piping, in order to guarantee the requirement of valve pressure, pressure phase can only be designed Same valve detection, test are not convenient enough.
Summary of the invention
In view of this, being able to carry out a variety of set the technical problem to be solved in the present invention is to provide a kind of valve detection device Count the valve detection of pressure.
The technical scheme of the present invention is realized as follows:
A kind of valve detection device, including pressure piping, the side of the pressure piping are provided with medium inlet；
N opening/shutting valve is provided in the pressure piping, the pressure piping is separated into n+1 by the opening/shutting valve Chamber, wherein n is positive integer；
The chamber is provided with pressure gauge, and the opening/shutting valve is provided with controller, and the controller connects the opening and closing The pressure gauge of chamber in valve two sides far from the medium inlet side, for the Numerical Control according to the pressure gauge The opening and closing of the opening/shutting valve；
Valve installation interface is provided on the chamber.
Preferably, the valve installation interface is flange form interface.
Preferably, the opening/shutting valve is fast opening and closing gate valve.
Preferably, the dial plate of the pressure gauge is connect with the gauge stand of the pressure gauge by universal joint.
Preferably, the pressure piping is made of pipe line steel.
Preferably, amplification imaging device is provided with above the valve installation interface.
Valve detection device proposed by the present invention, by be arranged on pressure piping opening/shutting valve pressure piping is divided into it is more A chamber can make different chamber by the way that the closing sequence of opening/shutting valve is arranged since different chamber is separated by opening/shutting valve With different detection pressure, so that the valve of a variety of design pressures can be detected by different chambers when being detected.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the valve detection device that the embodiment of the present invention proposes.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the embodiment of the present invention proposes a kind of valve detection device, including pressure piping 1, pressure piping 1 Side be provided with medium inlet 2；
N opening/shutting valve 3 is provided in pressure piping 1, pressure piping is separated into n+1 chamber 4 by opening/shutting valve 3, Middle n is positive integer；
Chamber 4 is provided with pressure gauge 5, and opening/shutting valve 3 is provided with controller, and controller connects separate in opening/shutting valve two sides The pressure gauge 5 of the chamber of medium inlet side, for the opening and closing according to the Numerical Control opening/shutting valve of pressure gauge；
Valve installation interface 6 is provided on chamber.
As it can be seen that the valve detection device that the embodiment of the present invention proposes, it will be high by the way that opening/shutting valve is arranged on pressure piping Pressure pipeline is divided into multiple chambers, can be suitable by the way that the closing of opening/shutting valve is arranged since different chamber is separated by opening/shutting valve Sequence makes different chamber have different detection pressure, so that a variety of designs can be detected by different chambers when being detected The valve of pressure.
In a preferred embodiment of the invention, valve installation interface is flange form interface.
When detection, valve can be placed on corresponding flange form interface, be connected on flange form interface using bolt etc., For not installing valve, can install blind flange prevents gas leakage.
In a preferred embodiment of the invention, opening/shutting valve is fast opening and closing gate valve.
Fast opening and closing gate valve, opening and closing time is short to be called repid cut-off valve.Sealing performance is excellent, can root out automatically in operation close Cover dirt, keeps strict sealing, and flow direction of medium is generally unrestricted.Medium can be from gate valve two sides any direction stream It crosses, can achieve the purpose that connection or truncation.It is easily installed, suitable for the pipeline that the flow direction of medium may change.
In a preferred embodiment of the invention, the gauge stand of the dial plate of pressure gauge and pressure gauge is connected by universal joint It connects.
It, can be by the gauge stand of the dial plate of pressure gauge and pressure gauge for the ease of observing the display of pressure gauge in the present embodiment It is connected by universal joint, so as to which dial plate to be turned to the angle convenient for observation according to demand.
In a preferred embodiment of the invention, pressure piping is made of pipe line steel.
The voltage endurance capability of pipe line steel is stronger, and pressure piping can bear higher pressure using pipe line steel.
In a preferred embodiment of the invention, amplification imaging device is provided with above valve installation interface.
In the present embodiment, when carrying out air-leakage test, if it find that the pressure change of pressure gauge, can be examined with suds Whether have bubble, for the ease of observing bubble, can install in valve and be arranged above interface if looking at the sealings such as the flap of each valve Amplify imaging device, amplification imaging device can be magnifying glass, and bubble generation can have been seen whether in order to tester.
Valve detection device proposed by the present invention can first install blind flange, so before testing on flange form interface Gas is passed through into pressure piping by medium inlet afterwards, when gas, which reaches, centainly to be required, medium inlet is closed, observes each chamber Whether the pressure gauge of room changes to guarantee the air-tightness of pressure piping.
When being detected, by taking 4 chambers as an example, each chamber according to a distance from medium inlet from as far as closely successively label For first chamber, second chamber, third chamber and the 4th chamber；It, can be with if the design pressure of valve to be detected is four kinds It is separately mounted in first chamber to the 4th chamber according to design pressure from small arrival；When detection, opening/shutting valve is all turned on, and is seen Pressure gauge is examined, when the pressure of first chamber reaches 1.1 times of valve design pressure, controller closes first chamber and the second chamber Opening/shutting valve between room；Remaining of first chamber and pressure piping chamber isolation at this time continues through medium inlet pressurization, when When the pressure of second chamber reaches 1.1 times of corresponding valve design pressure, controller is closed between second chamber and third chamber Opening/shutting valve, remaining chamber according to such as upper type one by one by opening/shutting valve be isolated, so as to so that each chamber have difference Detection pressure, be convenient for the detection of the valve of different designs pressure.
In addition, if the quantity of chamber is greater than the type of valve design pressure, it can be by way of opening opening/shutting valve Two or more chambers are merged into a chamber, are convenient for detecting, then this is not repeated one by one.
In conclusion following effect at least may be implemented in the embodiment of the present invention:
In embodiments of the present invention, pressure piping is divided into multiple chambers by the way that opening/shutting valve is arranged on pressure piping, Since different chamber is separated by opening/shutting valve, it can make different chamber that there is difference by the way that the closing sequence of opening/shutting valve is arranged Detection pressure, so that the valve of a variety of design pressures can be detected by different chambers when being detected.
Finally, it should be noted that the foregoing is merely presently preferred embodiments of the present invention, it is merely to illustrate skill of the invention Art scheme, is not intended to limit the scope of the present invention.Any modification for being made all within the spirits and principles of the present invention, Equivalent replacement, improvement etc., are included within the scope of protection of the present invention.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811216870.7A CN109323825A (en) | 2018-10-18 | 2018-10-18 | A kind of valve detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811216870.7A CN109323825A (en) | 2018-10-18 | 2018-10-18 | A kind of valve detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109323825A true CN109323825A (en) | 2019-02-12 |
Family
ID=65262396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811216870.7A CN109323825A (en) | 2018-10-18 | 2018-10-18 | A kind of valve detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109323825A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215408A (en) * | 2013-05-30 | 2014-12-17 | 宁波富华阀门有限公司 | Valve air tightness detection system |
| CN204082780U (en) * | 2014-09-16 | 2015-01-07 | 武汉钢铁(集团)公司 | The device that a kind of energy on-line checkingi oil cylinder Inner lets out |
| CN207263399U (en) * | 2017-06-01 | 2018-04-20 | 天津市晓晖环保机械有限公司 | A kind of multistation valve airtight detection apparatus |
| CN108204883A (en) * | 2018-02-28 | 2018-06-26 | 武汉冶建筑安装工程有限责任公司 | Valve air-tightness detection method |
| CN108458844A (en) * | 2018-06-28 | 2018-08-28 | 芜湖泰和管业股份有限公司 | A kind of intelligence bellows air-tightness batch detecting device and detection method |
-
2018
- 2018-10-18 CN CN201811216870.7A patent/CN109323825A/en active Search and Examination
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215408A (en) * | 2013-05-30 | 2014-12-17 | 宁波富华阀门有限公司 | Valve air tightness detection system |
| CN204082780U (en) * | 2014-09-16 | 2015-01-07 | 武汉钢铁(集团)公司 | The device that a kind of energy on-line checkingi oil cylinder Inner lets out |
| CN207263399U (en) * | 2017-06-01 | 2018-04-20 | 天津市晓晖环保机械有限公司 | A kind of multistation valve airtight detection apparatus |
| CN108204883A (en) * | 2018-02-28 | 2018-06-26 | 武汉冶建筑安装工程有限责任公司 | Valve air-tightness detection method |
| CN108458844A (en) * | 2018-06-28 | 2018-08-28 | 芜湖泰和管业股份有限公司 | A kind of intelligence bellows air-tightness batch detecting device and detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8768631B2 (en) | Diagnostic method for detecting control valve component failure | |
| US5533549A (en) | Ball valve with integrated removable flow venturi, flow balancing means, and pipe union means | |
| USRE34923E (en) | Valve stem seal leak protection and detection apparatus | |
| CN1619069B (en) | Flow control device | |
| US3191628A (en) | Multi-port valve | |
| CN102384825B (en) | Air tightness detection device for gate valve | |
| EP1322929B1 (en) | Apparatus and method for on-line detection of leaky valves | |
| JP5602159B2 (en) | Axial flow control valve with internal actuator | |
| US9170137B2 (en) | Rotatable orifice plate for direct flow measurement | |
| US20100200784A1 (en) | Bellowphragm actuated fluid control swing valve | |
| CN100543628C (en) | The method and apparatus that utilizes the control loop operation control valve and this control loop execution is diagnosed | |
| CN202471374U (en) | Multifunctional airtightness detection apparatus | |
| US7994927B2 (en) | Water meter with an emergency shut-down | |
| US9218005B2 (en) | Apparatus and method for reducing actuator thrust requirements in a control valve | |
| CN101258456B (en) | Method of detecting abnormality in fluid supply system, using flow rate control device having pressure sensor | |
| CN1268860C (en) | Ball valve with flow-meter inserted in the ball | |
| US4370893A (en) | Orifice meter with replacable orifice disc | |
| CN103091095B (en) | Pneumatic proportional pressure valve test unit | |
| US9618136B2 (en) | Rotary valve position indicator | |
| US3860033A (en) | Flow diverting apparatus and method | |
| CN202381795U (en) | Intelligent flow throttling control system | |
| US6857308B2 (en) | Valve technology | |
| CN103323356B (en) | Cavitation erosion-erosion wearing cooperative test device | |
| RU2545358C2 (en) | Ultrasonic measuring device and fluid medium flow rate measuring method | |
| KR101879569B1 (en) | Valve Protecting Leakage |
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 |