CN205748898U - A kind of flow characteristics of regulating valve closed loop test system - Google Patents
A kind of flow characteristics of regulating valve closed loop test system Download PDFInfo
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- CN205748898U CN205748898U CN201620599000.2U CN201620599000U CN205748898U CN 205748898 U CN205748898 U CN 205748898U CN 201620599000 U CN201620599000 U CN 201620599000U CN 205748898 U CN205748898 U CN 205748898U
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Abstract
This utility model relates to a kind of flow characteristics of regulating valve closed loop test system, is sequentially connected is formed by water tank, multistage pump unit, vacuum tank, multistage test cell and backwater back pressure pipeline, and backwater back pressure back of pipeline connects water tank and forms closed loop；Multistage pump unit is composed in parallel by a plurality of water supply line, and every water supply line sets pipeline pump respectively；Multistage test cell is composed in parallel by a plurality of test line, and every test line is respectively used to install the tested regulation valve of corresponding bore, the test line of tested regulation valve both sides sets pressure point respectively and connects 2 pressure interfaces of corresponding differential pressure transmitter；Converter, differential pressure transmitter connect computer data processing system respectively.This utility model is reasonable in design, simple for structure, multiple test polytype and the test of bore regulation valve can be completed in same test system, and can automatic data collection, carry out data process by computer data processing system, substantially increase precision and the efficiency of test.
Description
Technical field
This utility model relates to valve flow technical field of measurement and test, particularly relates to a kind of flow characteristics of regulating valve closed loop test
System.
Background technology
At present, domestic a lot of valve manufacturing enterprises remain in the stage producing existing approved product, grind valve
Send out and the most only rest on the stage imitating the most advanced product, the technical performance of valve products, the reasonability of structure are not entered
Row in-depth study, one of them main cause is that the research and development strength of valve manufacturing enterprise is weak, does not has good detection equipment
Product associated technical parameters is provided.Its means of testing and method are the most backward, the flow of valve, pressure by artificial according to stream
Gauge, manometric instruction record, test result calculates and draws curve by manually carrying out, owing to flow, pressure oscillation are relatively big,
Data are affected by human factors relatively big, and accuracy of detection is low, and the cycle is long, and the reliability of test result can not be guaranteed.Therefore, valve
The backwardness of characteristic test means has directly influenced the core competitiveness of domestic valve products and the development of enterprise.
Summary of the invention
This utility model provides a kind of flow characteristics of regulating valve closed loop test system, the letter of its reasonable in design, structure
Clean, it is possible in same test system, to complete multiple test polytype and the test of bore regulation valve, and can automatically gather number
According to, carry out data process by computer data processing system, substantially increase precision and the efficiency of test.
In order to achieve the above object, this utility model realizes by the following technical solutions:
A kind of flow characteristics of regulating valve closed loop test system, by water tank, multistage pump unit, vacuum tank, multistage test list
Unit and backwater back pressure pipeline are sequentially connected composition, and backwater back pressure back of pipeline connects water tank and forms closed loop；Described multistage pump
Unit is composed in parallel by a plurality of water supply line, and every water supply line is respectively equipped with the pipeline pump of different capacity, lift, flow,
Pipeline pump is by Frequency Converter Control；Described multistage test cell is composed in parallel by a plurality of test line, and every test line is respectively
For installing the tested regulation valve of corresponding bore, the test line of tested regulation valve both sides sets pressure point connection respectively corresponding poor
2 pressure interfaces of pressure transmitter；Converter, differential pressure transmitter connect computer data processing system respectively.
Described water tank is vertical water tank, and it sets water inlet, connects inlet channel by small pump, before small pump
Set manual ball valve one on inlet channel, the inlet channel after small pump sets electrical ball valve one；Blowoff valve one is set bottom water tank,
Top sets relief valve one, sets fluid level transmitter in tank body, and fluid level transmitter is connected with computer data processing system.
It is equipped with hand stop valve on water supply line before described pipeline pump, the water supply line after pipeline pump is sequentially provided with
Rubber expansion joint and check-valves.
Described vacuum tank is horizontal vacuum tank, and vacuum tank is provided with multiple bleeder and is connected with each bar test line respectively；Surely
Pressure tank top sets relief valve two, and bottom sets blowoff valve two, is provided with pressure transmitter, pressure transmitter and meter tank body side horizontal
Calculation machine data handling system connects.
Described tested regulation valve is removably mounted in the middle part of each bar test line, in the test line before tested regulation valve
Set manual ball valve two, effusion meter and electric control valve one successively, the test line after tested regulation valve sets manual ball valve successively
Three and electric control valve two.
The bore scope of described tested regulation valve is DN15～DN450, and 3 kinds of adjacent bore tested regulation valves are divided into one
Group, i.e. have DN15～DN25, DN32～DN50, DN65～DN100, DN125～DN200, DN250～DN350, DN400～
DN450 totally 6 groups of tested regulation valves；Often organize the corresponding same test line of tested regulation valve 11 install and test respectively, logical
Cross reducer pipe and flange to be connected with test pipeline.
The rear pipeline of described backwater back pressure pipeline connects the top water return outlet of water tank by a vertical standpipe.
Computer data processing system includes that data acquisition module, signal processing module, application of logic circuit module, central authorities process
Device, power module and display screen, data acquisition module, signal processing module, application of logic circuit module, power module and display screen divide
Do not connect central processing unit.
Compared with prior art, the beneficial effects of the utility model are:
1) accuracy of data acquisition is high, and topology layout is reasonable, it is ensured that discharge characteristic precision during regulation valve test, for regulation
The design of valve provides foundation accurately and reliably；
2) using closed loop test system, the water as tested media can utilize with iterative cycles, cleaning, energy-saving and environmental protection；
3) regulate the data acquisitions such as the pressure of valve, flow convenient and easy, reduce the labor intensity of test, improve valve
The work efficiency of test.
Accompanying drawing explanation
Fig. 1 is the structural representation of flow characteristics of regulating valve closed loop test system described in the utility model.
In figure: 1. water tank 2. hand stop valve 3. pipeline pump 4. rubber expansion joint 5. check-valves 6. vacuum tank 7.
The tested regulation valve 12. pressure point 13. of pressure transmitter 8. manual ball valve 2 9. effusion meter 10. electric control valve 1
Manual ball valve 3 14. electric control valve 2 15. relief valve 1 fluid level transmitter 17. electrical ball valve 1 small pump
19. manual ball valve 1 backwater back pressure pipeline 21. differential pressure transmitter 22. converters
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described further:
As it is shown in figure 1, be structural representation of the present utility model, a kind of flow characteristics of regulating valve described in the utility model closes
Ring test system, is sequentially connected by water tank 1, multistage pump unit, vacuum tank 6, multistage test cell and backwater back pressure pipeline 20
Form, and 20 times company's water tanks 1 of backwater back pressure pipeline form closed loop；Described multistage pump unit is in parallel by a plurality of water supply line
Composition, every water supply line is respectively equipped with the pipeline pump 3 of different capacity, lift, flow, and pipeline pump 3 is controlled by converter 22
System；Described multistage test cell is composed in parallel by a plurality of test line, and every test line is respectively used to install corresponding bore
Tested regulation valve 11, the test line of tested regulation valve 11 both sides sets pressure point 12 respectively and connects corresponding differential pressure transmitter 21
2 pressure interfaces；Converter 22, differential pressure transmitter 21 connect computer data processing system respectively.
Described water tank 1 is vertical water tank, it sets water inlet, connects inlet channel, small pump by small pump 18
Set manual ball valve 1 on inlet channel before 18, the inlet channel after small pump 18 sets electrical ball valve 1；Water tank 1 end
Portion sets blowoff valve one, and top sets relief valve 1, sets fluid level transmitter 16, at fluid level transmitter 16 and computer data in tank body
Reason system connects.
It is equipped with hand stop valve 2, on water supply line before described pipeline pump 3 on the water supply line after pipeline pump 3 successively
It is provided with rubber expansion joint 4 and check-valves 5.
Described vacuum tank is 6 horizontal vacuum tanks, and vacuum tank 6 is provided with multiple bleeder and is connected with each bar test line respectively；
Vacuum tank 6 top sets relief valve two, and bottom sets blowoff valve two, is provided with pressure transmitter 7, pressure transmitter tank body side horizontal
7 are connected with computer data processing system.
Described tested regulation valve 11 is removably mounted on the testing tube in the middle part of each bar test line, before tested regulation valve 11
Manual ball valve 28, effusion meter 9 and electric control valve 1 is set successively, in the test line after tested regulation valve 11 successively on line
If manual ball valve 3 13 and electric control valve 2 14.
The bore scope of described tested regulation valve 11 is DN15～DN450, by 11 points of 3 kinds of adjacent bore tested regulation valves
It is one group, i.e. has DN15～DN25, DN32～DN50, DN65～DN100, DN125～DN200, DN250～DN350, DN400
～DN450 totally 6 groups of tested regulation valves 11；Often organize the corresponding same test line of tested regulation valve 11 install and survey respectively
Examination, is connected with test pipeline by reducer pipe and flange.
The rear pipeline of described backwater back pressure pipeline 20 connects the top water return outlet of water tank 1 by a vertical standpipe.
Computer data processing system includes that data acquisition module, signal processing module, application of logic circuit module, central authorities process
Device, power module and display screen, data acquisition module, signal processing module, application of logic circuit module, power module and display screen divide
Do not connect central processing unit.
The purpose of this utility model is to provide a kind of flow characteristics of regulating valve closed loop test system, solves the test of existing valve
Middle because of flow, pressure oscillation relatively big, data are affected by human factors relatively big, cause accuracy of detection low, and the cycle is long, and test result can
Problem by property difference.
In this utility model, described water tank 1 is connected with vacuum tank 6 by multistage pump unit, vacuum tank 6 separate
A plurality of test line is pooled to backwater back pressure pipeline 20 again, and last backwater back pressure pipeline 20 returns again and is connected to water tank 1, shape
Become closed loop circuit system.This utility model relates to instrumentation install "front", "rear" concept be based on water (flow) direction depending on
's.
Water tank 1 volume size determines according to the flow of maximum caliber tested regulation valve 11 in test line.
Multistage pump unit includes the pipeline pump 3 of multiple different capacity, lift, flow, and the control end of pipeline pump 3 connects calculating
Machine control system controls rotating speed and the flow of pump by converter 22.
The tested regulation valve 11 of every 3 adjacent bores is divided into one group by multistage test cell, often organizes respectively by same
Bar test line is tested, and when testing the tested regulation valve 11 of different bore, meets caliber pressure by changing reducer pipe
Requirement, realizes quickly connecting by flange.
After the rear pipeline of backwater back pressure pipeline 20 connects one section of vertical standpipe, it is connected to the top backwater of water tank 1
Mouthful, it is ensured that back pressure after the valve of tested regulation valve 11.
The operation principle of this utility model a kind of flow characteristics of regulating valve closed loop test system is:
As a example by the discharge characteristic testing certain bore regulation valve, if the bore of tested regulation valve 11 is 300mm, first will
300mm bore tested regulation valve 11 is arranged in test line corresponding to DN250～DN350.
Opening computer data processing system, system detects water level in tank by water tank 1 fluid level transmitter 16, if water
Position is low, and system alarm successively unlatching electrical ball valve 17, small pump 18 start moisturizing in water tank, until it reaches standard water
Position, above procedure completes the water level inspection of water tank 1.
Calculate the maximum stream flow of 300mm bore tested regulation valve 11, determine in unlatching multistage pump unit according to result of calculation
3 pipeline pumps 3.Computer data processing system controls the flow of each pipeline pump 3, frequency by converter 22.
After opening pipeline pump 3 certain time, computer data processing system extracts the numerical value of vacuum tank 6 pressure transmitter 7,
After in vacuum tank 6, pressure is stabilized to a certain force value certain time, start tested regulation valve 11 is carried out discharge characteristic test.Logical
Cross flow before and after electric control valve 1 and electric control valve 2 14 regulate tested regulation valve 11 in test line and front and back
Pressure, by flow when effusion meter 9, differential pressure transmitter 21 real time record tested regulation valve 11 different opening and pressure difference data.
Carrying out back-end data process by computer data processing system, discharge characteristic result is graphically presented on aobvious the most at last
In display screen.
The above, only this utility model preferably detailed description of the invention, but protection domain of the present utility model is not
Being confined to this, any those familiar with the art is in the technical scope that this utility model discloses, according to this practicality
Novel technical scheme and conceive equivalent or change in addition, all should contain within protection domain of the present utility model.
Claims (8)
1. a flow characteristics of regulating valve closed loop test system, it is characterised in that by water tank, multistage pump unit, vacuum tank, many
Level test cell and backwater back pressure pipeline are sequentially connected composition, and backwater back pressure back of pipeline connects water tank and forms closed loop；Institute
State multistage pump unit to be composed in parallel by a plurality of water supply line, every water supply line is respectively equipped with different capacity, lift, flow
Pipeline pump, pipeline pump is by Frequency Converter Control；Described multistage test cell is composed in parallel by a plurality of test line, every testing tube
Line is respectively used to install the tested regulation valve of corresponding bore, the test line of tested regulation valve both sides sets pressure point respectively and connects
2 pressure interfaces of corresponding differential pressure transmitter；Converter, differential pressure transmitter connect computer data processing system respectively.
A kind of flow characteristics of regulating valve closed loop test system the most according to claim 1, it is characterised in that described water tank
For vertical water tank, it sets water inlet, connect inlet channel by small pump, the inlet channel before small pump sets manual ball
Valve one, the inlet channel after small pump sets electrical ball valve one；Setting blowoff valve one bottom water tank, top sets relief valve one, tank
The internal fluid level transmitter that sets, fluid level transmitter is connected with computer data processing system.
A kind of flow characteristics of regulating valve closed loop test system the most according to claim 1, it is characterised in that described pipeline pump
It is equipped with hand stop valve on front water supply line, the water supply line after pipeline pump is sequentially provided with rubber expansion joint and non-return
Valve.
A kind of flow characteristics of regulating valve closed loop test system the most according to claim 1, it is characterised in that described vacuum tank
For horizontal vacuum tank, vacuum tank is provided with multiple bleeder and is connected with each bar test line respectively；Vacuum tank top sets relief valve two,
Bottom sets blowoff valve two, is provided with pressure transmitter tank body side horizontal, and pressure transmitter is with computer data processing system even
Connect.
A kind of flow characteristics of regulating valve closed loop test system the most according to claim 1, it is characterised in that described tested tune
Joint valve be removably mounted in the middle part of each bar test line, the test line before tested regulation valve sets successively manual ball valve two,
Effusion meter and electric control valve one, the test line after tested regulation valve sets manual ball valve three and electric control valve two successively.
A kind of flow characteristics of regulating valve closed loop test system the most according to claim 1, it is characterised in that described tested tune
Joint valve bore scope be DN15～DN450,3 kinds of adjacent bore tested regulation valves are divided into one group, i.e. have DN15～DN25,
DN32～DN50, DN65～DN100, DN125～DN200, DN250～DN350, DN400～DN450 totally 6 groups of tested regulation valves；
Often organize the corresponding same test line of tested regulation valve (11) install and test respectively, by reducer pipe and flange and test
Pipeline connects.
A kind of flow characteristics of regulating valve closed loop test system the most according to claim 1, it is characterised in that described backwater is carried on the back
The rear pipeline of pressure pipeline connects the top water return outlet of water tank by a vertical standpipe.
A kind of flow characteristics of regulating valve closed loop test system the most according to claim 1, it is characterised in that computer data
Processing system includes data acquisition module, signal processing module, application of logic circuit module, central processing unit, power module and display
Screen, data acquisition module, signal processing module, application of logic circuit module, power module and display screen connect central processing unit respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620599000.2U CN205748898U (en) | 2016-06-20 | 2016-06-20 | A kind of flow characteristics of regulating valve closed loop test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620599000.2U CN205748898U (en) | 2016-06-20 | 2016-06-20 | A kind of flow characteristics of regulating valve closed loop test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205748898U true CN205748898U (en) | 2016-11-30 |
Family
ID=57387005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620599000.2U Expired - Fee Related CN205748898U (en) | 2016-06-20 | 2016-06-20 | A kind of flow characteristics of regulating valve closed loop test system |
Country Status (1)
| Country | Link |
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| CN (1) | CN205748898U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108286625A (en) * | 2018-01-22 | 2018-07-17 | 博纳斯威阀门股份有限公司 | A kind of detection device of air bleeding valve |
| CN109000905A (en) * | 2018-06-04 | 2018-12-14 | 泉州市沪航阀门制造有限公司 | A kind of hydraulic characteristic(s) test device and test method |
| CN109210381A (en) * | 2018-11-02 | 2019-01-15 | 中国石油天然气集团公司 | A kind of oil pipeline variable frequency pump combines regulator with regulating valve |
| CN109297703A (en) * | 2018-11-30 | 2019-02-01 | 博纳斯威阀门股份有限公司 | A kind of detection device of multi-stage pressure regulating |
| CN114321719A (en) * | 2022-01-04 | 2022-04-12 | 国家石油天然气管网集团有限公司 | Automatic distribution and transmission method and automatic distribution and transmission system for natural gas pipeline |
-
2016
- 2016-06-20 CN CN201620599000.2U patent/CN205748898U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108286625A (en) * | 2018-01-22 | 2018-07-17 | 博纳斯威阀门股份有限公司 | A kind of detection device of air bleeding valve |
| CN108286625B (en) * | 2018-01-22 | 2024-05-28 | 博纳斯威阀门股份有限公司 | Exhaust valve detection device |
| CN109000905A (en) * | 2018-06-04 | 2018-12-14 | 泉州市沪航阀门制造有限公司 | A kind of hydraulic characteristic(s) test device and test method |
| CN109210381A (en) * | 2018-11-02 | 2019-01-15 | 中国石油天然气集团公司 | A kind of oil pipeline variable frequency pump combines regulator with regulating valve |
| CN109297703A (en) * | 2018-11-30 | 2019-02-01 | 博纳斯威阀门股份有限公司 | A kind of detection device of multi-stage pressure regulating |
| CN114321719A (en) * | 2022-01-04 | 2022-04-12 | 国家石油天然气管网集团有限公司 | Automatic distribution and transmission method and automatic distribution and transmission system for natural gas pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20200620 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |