CN110375984A - A kind of complete series balanced valve test macro and test method - Google Patents
A kind of complete series balanced valve test macro and test method Download PDFInfo
- Publication number
- CN110375984A CN110375984A CN201910713606.2A CN201910713606A CN110375984A CN 110375984 A CN110375984 A CN 110375984A CN 201910713606 A CN201910713606 A CN 201910713606A CN 110375984 A CN110375984 A CN 110375984A
- Authority
- CN
- China
- Prior art keywords
- valve
- regulating valve
- test
- differential pressure
- tested
- 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
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
- G01M13/00—Testing of machine parts
- G01M13/003—Machine valves
Abstract
The present invention relates to a kind of complete series balanced valve test macro and test methods.It is sequentially arranged circulating pump, the first regulating valve and the 6th regulating valve on the test loop of the test macro, between the first regulating valve and the 6th regulating valve and is connected with return water type differential pressure balancing valve test pipeline and water supply type differential pressure balancing valve test pipeline；Return water type differential pressure balancing valve testing tube road is sequentially arranged third regulating valve, tested balanced valve and the 4th regulating valve；Water supply type differential pressure balancing valve testing tube road is sequentially arranged the second regulating valve, tested balanced valve and the 5th regulating valve；When tested balanced valve is return water type, third regulating valve forms controlled load；When tested balanced valve is water supply type, the 5th regulating valve forms controlled load.The present invention can form open type balance valve flow characteristic and the different test macro of two class function of closed cycle circuit hydraulic performance.The present invention realizes the simplification of pilot system equipment and the integration of function, is greatly improved the economy of pilot system.
Description
Technical field
The invention belongs to differential pressure balancing valve performance test field, be specifically related to a kind of complete series balanced valve test macro with
And test method.
Background technique
Balanced valve is to solve hydraulically balanced key equipment in heating air conditioning water system, and balanced valve series of products point mainly have
Static balancing valve and dynamic balance valve, wherein dynamic balance valve is divided into differential pressure balancing valve and flow balance valve again.Balanced valve
Discharge characteristic and hydraulic performance are the factors of overriding concern when selecting such valve, and static balancing valve and dynamic flow are flat at this stage
The discharge characteristic of weighing apparatus valve mainly tests to obtain by open flow resistance test device.Dynamic differential pressure balancing valve due to installation site and
The different instructions of control mode are two class of water supply type and return water type, need to build two sets of differences for these two types of products respectively at this stage
Closed-cycle hydraulic performance testing device.Under the prior art this few class experimental rig can not it is general, cannot be replaced mutually so that
Device space occupancy rate is higher, economy is poor.Therefore, it is urgent to provide one kind to be suitable for complete set column balancing by those skilled in the art
The test macro of valve properties of product test.
Summary of the invention
In order to solve the above technical problem, the present invention provides a kind of complete series balanced valve test macros.Technical solution is as follows:
A kind of complete series balanced valve test macro, including test loop are provided with along water (flow) direction on the test loop
Circulating pump, the first regulating valve and the 6th regulating valve being sequentially arranged, are provided with simultaneously between the first regulating valve and the 6th regulating valve
Return water type differential pressure balancing valve test pipeline and water supply type differential pressure balancing valve even tests pipeline；
Return water type differential pressure balancing valve testing tube road along water (flow) direction be sequentially arranged third regulating valve, tested balanced valve with
And the 4th regulating valve；Water supply type differential pressure balancing valve testing tube road has been sequentially arranged the second regulating valve along water (flow) direction, has been tested and puts down
Weigh valve and the 5th regulating valve；Return water type differential pressure balancing valve tests pipeline and water supply type differential pressure balancing valve test pipeline is shared described
Tested balanced valve installs pipeline section；
When tested balanced valve is return water type differential pressure balancing valve, the pressure guiding pipe of tested balanced valve be connected to third regulating valve into
Mouth pipeline makes third regulating valve form controlled load；When tested balanced valve is water supply type differential pressure balancing valve, it is tested balanced valve
Pressure guiding pipe be connected to the 5th outlet pipe of regulating valve road the 5th regulating valve made to form controlled load.
Further technical solution: the system further includes to the water tank of test loop water supply and for steady testing circuit
The pressurized cylinder of pressure, the water tank, pressurized cylinder are arranged in the inlet ductwork of circulating pump, and the outlet of water tank is provided with the 7th adjusting
Valve.
Further technical solution: flowmeter is provided on the export pipeline of the 6th regulating valve.
A kind of test method based on the complete series balanced valve test macro, the test method include to return water type pressure
Poor balanced valve test process, steps are as follows:
Step A1, the second regulating valve and the 5th regulating valve are closed, the first regulating valve, third regulating valve, the 4th adjusting are opened
Valve, the 6th regulating valve and the 7th regulating valve, opening circulating pump makes the water in water tank full of test loop, is then shut off the 7th tune
Section valve makes test loop form closed cycle circuit；
Step A2, the control pressure difference P1-P2 of tested balanced valve is adjusted to design control pressure differential range maximum value or minimum value
Or the average value of maximin, it then adjusts third regulating valve, the first regulating valve, the 6th regulating valve and makes tested balanced valve work
Make pressure difference P2-P3 and reaches operting differential pressure stated range minimum；
Step A3, third regulating valve or the first regulating valve or the 6th regulating valve are gradually adjusted, tested balanced valve work pressure is made
Poor P2-P3 until operting differential pressure range maximum value, equably takes 5 since operting differential pressure stated range minimum from small to large
Measurement condition point, then corresponding identical 5 measurement conditions point is equably taken from big to small, and reads quilt in each measurement condition point
Survey the practical control pressure difference P1-P2 of balanced valve；
Step A4, the relative error of control pressure difference is calculated for measured practical control pressure difference P1-P2；
A kind of test method based on the complete series balanced valve test macro, which includes to water supply type pressure
Poor balanced valve test process, steps are as follows:
Step B1, third regulating valve and the 4th regulating valve are closed, the first regulating valve, the second regulating valve, the 5th adjusting are opened
Valve, the 6th regulating valve and the 7th regulating valve, opening circulating pump makes the water in water tank full of test loop, is then shut off the 7th tune
Section valve makes test loop form closed cycle circuit；
Step B2, the control pressure difference P2-P3 of tested balanced valve is adjusted to design control pressure differential range maximum value or minimum value
Or the average value of maximin, it then adjusts the 5th regulating valve, the 6th regulating valve, the first regulating valve and makes tested balanced valve work
Make pressure difference P1-P2 and reaches operting differential pressure stated range minimum；
Step B3, the 5th regulating valve or the 6th regulating valve or the first regulating valve are gradually adjusted, tested balanced valve work pressure is made
Poor P1-P2 until operting differential pressure range maximum value, equably takes 5 since operting differential pressure stated range minimum from small to large
Measurement condition point, then corresponding identical 5 measurement conditions point is equably taken from big to small, and reads quilt in each measurement condition point
Survey the practical control pressure difference P2-P3 of balanced valve；
Step B4, the relative error of control pressure difference is calculated for measured practical control pressure difference P2-P3.
The beneficial effects of the present invention are:
Complete series balanced valve test macro of the present invention uses and connects circulation loop, by the switch state for adjusting different valves
Change the string of test pipeline and even relationship, open type balance valve flow characteristic test device and closed cycle circuit waterpower can be formed
It can the different test macro of two class function of test device.
Closed cycle circuit waterpower performance testing device of the present invention uses and connects circulation loop, realizes test battery system
Can water supply type, two class dynamic differential pressure balancing valve of return water type test, realize the simplification of pilot system equipment and the integration of function,
It is greatly improved the economy of pilot system.
In waterpower performance testing device test process in closed cycle circuit of the present invention, before balanced valve valve being tested by change
Control valve opening size simulates water supply side pressure oscillation situation in real working condition, while can keep regulating valve before tested balanced valve
Aperture is constant, and energy consumption variation is loaded in real working condition to simulate by changing controlled load regulation valve opening.
Detailed description of the invention
Fig. 1 is test macro catenation principle schematic diagram of the present invention.
Fig. 2 is the schematic illustration that the present invention is used for return water type pressure balance valve test.
Fig. 3 is the schematic illustration that the present invention is used for water supply type pressure balance valve test.
Attached meaning marked in the figure is as follows:
10- circulating pump；The first regulating valve of 21-；The second regulating valve of 22-；23- third regulating valve；The 4th regulating valve of 24-；25-
5th regulating valve；The 6th regulating valve of 26-；The 7th regulating valve of 27-；30- is tested balanced valve；40- water tank；50- pressurized cylinder；60- stream
Meter.
Specific embodiment
More specific detail is made to technical solution of the present invention below with reference to embodiment:
It is as shown in Figure 1, 2, 3: complete series balanced valve test macro of the present invention, including test loop, on the test loop
It is provided with circulating pump 10, the first regulating valve 21 and the 6th regulating valve 26 being sequentially arranged along water (flow) direction, the first regulating valve 21
It is provided between the 6th regulating valve 26 and return water type differential pressure balancing valve even tests pipeline and water supply type pressure balance valve test
Pipeline；
Return water type differential pressure balancing valve testing tube road has been sequentially arranged third regulating valve 23, tested balanced valve along water (flow) direction
30 and the 4th regulating valve 24；Water supply type differential pressure balancing valve testing tube road has been sequentially arranged the second regulating valve along water (flow) direction
22, balanced valve 30 and the 5th regulating valve 25 are tested；Return water type differential pressure balancing valve tests pipeline and water supply type differential pressure balancing valve is surveyed
Test tube road shares the tested balanced valve 30 and installs pipeline section；
When tested balanced valve 30 is return water type differential pressure balancing valve, the pressure guiding pipe of tested balanced valve 30 is connected to third adjusting
23 inlet ductwork of valve makes third regulating valve 23 form controlled load；When tested balanced valve 30 is water supply type differential pressure balancing valve,
The pressure guiding pipe of tested balanced valve 30 is connected to 25 export pipeline of the 5th regulating valve and the 5th regulating valve 25 is made to form controlled load.
The system further includes the water tank 40 to supply water to test loop and for the pressurized cylinder 50 of steady testing circuit pressure,
The water tank 40, pressurized cylinder 50 are arranged in the inlet ductwork of circulating pump 10, and the outlet of water tank 40 is provided with the 7th regulating valve
27。
Flowmeter 60 is provided on the export pipeline of 6th regulating valve 26.
Test method based on the complete series balanced valve test macro includes to return water type pressure balance valve test mistake
Journey (hydraulic performance test), steps are as follows:
Step A1, close the second regulating valve 22 and the 5th regulating valve 25, the first regulating valve 21 of opening, third regulating valve 23,
4th regulating valve 24, the 6th regulating valve 26 and the 7th regulating valve 27, opening circulating pump makes the water in water tank 40 full of testing back
Road, being then shut off the 7th regulating valve 27 makes test loop form closed cycle circuit；
Step A2, the control pressure difference P1-P2 of tested balanced valve 30 is adjusted to design control pressure differential range maximum value or minimum
The average value of value or maximin, then adjust third regulating valve 23, the first regulating valve 21, the 6th regulating valve 26 make by
It surveys 30 operting differential pressure P2-P3 of balanced valve and reaches operting differential pressure stated range minimum；The control pressure difference P1-P2 of tested balanced valve 30 passes through
Differential pressure adjusting device on tested balanced valve 30 is adjusted；
Step A3, third regulating valve 23 or the first regulating valve 21 or the 6th regulating valve 26 are gradually adjusted, tested balanced valve is made
30 operting differential pressure P2-P3 are since operting differential pressure stated range minimum, until operting differential pressure range maximum value, from small to large uniformly
Ground takes 5 measurement condition points, then equably takes corresponding identical 5 measurement conditions point from big to small, and in each measurement condition
Point reads the practical control pressure difference P1-P2 of tested balanced valve 30；
Step A4, the relative error of tested balanced valve control pressure difference is calculated for measured practical control pressure difference P1-P2Calculation formula is as follows:
Δ P in above formulas(i)For the practical control pressure difference of each operating point, units MPa；ΔPPFor the reality of all operating points
Border controls the arithmetic mean of instantaneous value of pressure difference, units MPa.
In step A3, pressure differential range maximum value is controlled when the control pressure difference P1-P2 of tested balanced valve 30 is adjusted to design,
When P2-P3 is adjusted to operting differential pressure stated range minimum, the peak flow values of tested balanced valve are read；When the control of tested balanced valve 30
Pressure difference P1-P2 processed is adjusted to design control pressure differential range minimum value, when P2-P3 is adjusted to operting differential pressure range maximum value, reads
The minimum flow value of tested balanced valve.Tested balanced valve is calculated by the peak flow values and design rated flow value that measure
Maximum stream flow relative error, tested balanced valve is calculated most by the minimum flow value that measures and design rated flow value
Small flow relative error, calculation formula are as follows:
T in above formulaQTo be tested balance valve flow relative error；QbFor the rated flow value for being tested balanced valve, unit m3/h；
QSThe measured discharge value of tested balanced valve, unit m3/h。
Test method based on the complete series balanced valve test macro includes to water supply type pressure balance valve test mistake
Journey (hydraulic performance test), steps are as follows:
Step B1, close third regulating valve 23 and the 4th regulating valve 24, the first regulating valve 21 of opening, the second regulating valve 22,
5th regulating valve 25, the 6th regulating valve 26 and the 7th regulating valve 27, opening circulating pump makes the water in water tank 40 full of testing back
Road, being then shut off the 7th regulating valve 27 makes test loop form closed cycle circuit；
Step B2, the control pressure difference P2-P3 of tested balanced valve is adjusted to design control pressure differential range maximum value or minimum value
Or the average value of maximin, it then adjusts the 5th regulating valve 25, the 6th regulating valve 26, the first regulating valve 21 and makes tested put down
Weighing apparatus 30 operting differential pressure P1-P2 of valve reaches operting differential pressure stated range minimum；
Step B3, the 5th regulating valve 25 or the 6th regulating valve 26 or the first regulating valve 21 are gradually adjusted, tested balanced valve is made
30 operting differential pressure P1-P2 are since operting differential pressure stated range minimum, until operting differential pressure range maximum value, from small to large uniformly
Ground takes 5 measurement condition points, then equably takes corresponding identical 5 measurement conditions point from big to small, and in each measurement condition
Point reads the practical control pressure difference P2-P3 of tested balanced valve 30；
Step B4, the relative error of control pressure difference is calculated for measured practical control pressure difference P2-P3.
In step B3, pressure differential range maximum value is controlled when the control pressure difference P2-P3 of tested balanced valve 30 is adjusted to design,
When P1-P2 is adjusted to operting differential pressure stated range minimum, the peak flow values of tested balanced valve are read；When the control of tested balanced valve 30
Pressure difference P2-P3 processed is adjusted to design control pressure differential range minimum value, when P1-P2 is adjusted to operting differential pressure range maximum value, reads
The minimum flow value of tested balanced valve.Tested balanced valve is calculated by the peak flow values and design rated flow value that measure
Maximum stream flow relative error, tested balanced valve is calculated most by the minimum flow value that measures and design rated flow value
Small flow relative error.
Test method based on the complete series balanced valve test macro includes static balancing valve or dynamic flow balancing
The test process (discharge characteristic test) of valve, steps are as follows:
Step C1, close the second regulating valve 22 and the 5th regulating valve 25, the first regulating valve 21 of opening, third regulating valve 23,
4th regulating valve 24, the 6th regulating valve 26 and the 7th regulating valve 27；Or third regulating valve 23 and the 4th regulating valve 24 are closed, it beats
Open the first regulating valve 21, the second regulating valve 22, the 5th regulating valve 25, the 6th regulating valve 26 and the 7th regulating valve 27；Then it opens
Open circulating pump 10；Since this test not necessarily forms closed cycle circuit, so the 7th regulating valve 27 is in the open state always；
Step C2, the aperture of tested balanced valve 30 to setting is adjusted, the forward and backward adjusting of tested balanced valve 30 is then adjusted
Valve, such as the first regulating valve 21 and the 6th regulating valve 26, so that the tested forward and backward pressure differential deltap P (unit Pa) of balanced valve is pressed in setting
Poor range；
Step C3, the rate-of flow Q (unit for passing through tested balanced valve with the flow measurement instrument measurement of tested balanced valve
m3/h)；
Step C4, the negotiability C of tested balanced valve is calculated, calculation formula is as follows:
。
Claims (5)
1. a kind of complete series balanced valve test macro, it is characterised in that: including test loop, be provided with edge on the test loop
Circulating pump (10), the first regulating valve (21) and the 6th regulating valve (26) that water (flow) direction is sequentially arranged, the first regulating valve (21)
It is provided between the 6th regulating valve (26) and return water type differential pressure balancing valve test pipeline even and water supply type differential pressure balancing valve is surveyed
Test tube road；
Return water type differential pressure balancing valve testing tube road has been sequentially arranged third regulating valve (23), tested balanced valve along water (flow) direction
(30) and the 4th regulating valve (24)；Water supply type differential pressure balancing valve testing tube road has been sequentially arranged the second adjusting along water (flow) direction
Valve (22), tested balanced valve (30) and the 5th regulating valve (25)；Return water type differential pressure balancing valve tests pipeline and water supply type pressure difference
Balanced valve test pipeline shares tested balanced valve (30) the installation pipeline section；
When tested balanced valve (30) is return water type differential pressure balancing valve, the pressure guiding pipe of tested balanced valve (30) is connected to third adjusting
Valve (23) inlet ductwork makes third regulating valve (23) to form controlled load；When tested balanced valve (30) is water supply type pressure balance
When valve, the pressure guiding pipe of tested balanced valve (30) is connected to the 5th regulating valve (25) export pipeline and makes the formation of the 5th regulating valve (25)
Controlled load.
2. complete series balanced valve test macro as described in claim 1, it is characterised in that: the system further includes to test loop
The water tank (40) of water supply and pressurized cylinder (50) for steady testing circuit pressure, the water tank (40), pressurized cylinder (50) are set
It sets in the inlet ductwork of circulating pump (10), the outlet of water tank (40) is provided with the 7th regulating valve (27).
3. complete series balanced valve test macro as claimed in claim 2, it is characterised in that: the 6th regulating valve (26) goes out
Flowmeter (60) are provided on mouth pipeline.
4. a kind of test method based on complete series balanced valve test macro as claimed in claim 3, it is characterised in that: the test
Method includes to return water type differential pressure balancing valve test process, and steps are as follows:
Step A1, the second regulating valve (22) and the 5th regulating valve (25) are closed, the first regulating valve (21), third regulating valve are opened
(23), the 4th regulating valve (24), the 6th regulating valve (26) and the 7th regulating valve (27), opening circulating pump (10) makes water tank (40)
In water be full of test loop, be then shut off the 7th regulating valve (27) make test loop formed closed cycle circuit；
Step A2, the control pressure difference P1-P2 of tested balanced valve (30) is adjusted to design control pressure differential range maximum value or minimum value
Or the average value of maximin, then adjusting third regulating valve (23), the first regulating valve (21), the 6th regulating valve (26) make
Tested balanced valve (30) operting differential pressure P2-P3 reaches operting differential pressure stated range minimum；
Step A3, third regulating valve (23) or the first regulating valve (21) or the 6th regulating valve (26) are gradually adjusted, tested balance is made
Valve (30) operting differential pressure P2-P3 is since operting differential pressure stated range minimum, until operting differential pressure range maximum value, from small to large
5 measurement condition points are equably taken, then equably take corresponding identical 5 measurement conditions point from big to small, and in each test
Operating point reads the practical control pressure difference P1-P2 of tested balanced valve (30)；
Step A4, the relative error of control pressure difference is calculated for measured practical control pressure difference P1-P2.
5. a kind of test method based on complete series balanced valve test macro as claimed in claim 3, it is characterised in that: the test
Method includes to water supply type differential pressure balancing valve test process, and steps are as follows:
Step B1, third regulating valve (23) and the 4th regulating valve (24) are closed, the first regulating valve (21), the second regulating valve are opened
(22), the 5th regulating valve (25), the 6th regulating valve (26) and the 7th regulating valve (27), opening circulating pump (10) makes water tank (40)
In water be full of test loop, be then shut off the 7th regulating valve (27) make test loop formed closed cycle circuit；
Step B2, the control pressure difference P2-P3 of tested balanced valve is adjusted to design control pressure differential range maximum value or minimum value or most
Then the average value of big minimum value adjusts the 5th regulating valve (25), the 6th regulating valve (26), the first regulating valve (21) and to be tested
Balanced valve (30) operting differential pressure P1-P2 reaches operting differential pressure stated range minimum；
Step B3, the 5th regulating valve (25) or the 6th regulating valve (26) or the first regulating valve (21) are gradually adjusted, tested balance is made
Valve (30) operting differential pressure P1-P2 is since operting differential pressure stated range minimum, until operting differential pressure range maximum value, from small to large
5 measurement condition points are equably taken, then equably take corresponding identical 5 measurement conditions point from big to small, and in each test
Operating point reads the practical control pressure difference P2-P3 of tested balanced valve (30)；
Step B4, the relative error of control pressure difference is calculated for measured practical control pressure difference P2-P3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910713606.2A CN110375984A (en) | 2019-08-02 | 2019-08-02 | A kind of complete series balanced valve test macro and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910713606.2A CN110375984A (en) | 2019-08-02 | 2019-08-02 | A kind of complete series balanced valve test macro and test method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110375984A true CN110375984A (en) | 2019-10-25 |
Family
ID=68257826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910713606.2A Pending CN110375984A (en) | 2019-08-02 | 2019-08-02 | A kind of complete series balanced valve test macro and test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110375984A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114354179A (en) * | 2021-12-30 | 2022-04-15 | 哈尔滨哈控实业有限公司 | Balance valve testing system and method |
| CN114608853A (en) * | 2022-01-24 | 2022-06-10 | 合肥通用机械研究院有限公司 | Maximum flux detection device based on liquid-liquid separation equipment and energy efficiency detection method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101762383A (en) * | 2009-11-20 | 2010-06-30 | 卓旦春 | Balance valve flow tester |
| CN103471661A (en) * | 2013-08-12 | 2013-12-25 | 朱海龙 | Balance valve flow rate detecting method and system |
| CN103759930A (en) * | 2014-01-03 | 2014-04-30 | 武汉船用机械有限责任公司 | Transient test device and method of balance valve |
| CN104359695A (en) * | 2014-11-14 | 2015-02-18 | 中国原子能科学研究院 | Nuclear-grade check valve dynamic reverse flow test device |
| CN207064805U (en) * | 2017-04-18 | 2018-03-02 | 中国船舶重工集团公司第七一九研究所 | A kind of automatic flow control valve pilot system |
-
2019
- 2019-08-02 CN CN201910713606.2A patent/CN110375984A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101762383A (en) * | 2009-11-20 | 2010-06-30 | 卓旦春 | Balance valve flow tester |
| CN103471661A (en) * | 2013-08-12 | 2013-12-25 | 朱海龙 | Balance valve flow rate detecting method and system |
| CN103759930A (en) * | 2014-01-03 | 2014-04-30 | 武汉船用机械有限责任公司 | Transient test device and method of balance valve |
| CN104359695A (en) * | 2014-11-14 | 2015-02-18 | 中国原子能科学研究院 | Nuclear-grade check valve dynamic reverse flow test device |
| CN207064805U (en) * | 2017-04-18 | 2018-03-02 | 中国船舶重工集团公司第七一九研究所 | A kind of automatic flow control valve pilot system |
Non-Patent Citations (1)
| Title |
|---|
| 隋忠伟: "动态平衡阀调节特性分析与实验研究", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114354179A (en) * | 2021-12-30 | 2022-04-15 | 哈尔滨哈控实业有限公司 | Balance valve testing system and method |
| CN114354179B (en) * | 2021-12-30 | 2023-09-26 | 哈尔滨哈控实业有限公司 | Balance valve testing system and method |
| CN114608853A (en) * | 2022-01-24 | 2022-06-10 | 合肥通用机械研究院有限公司 | Maximum flux detection device based on liquid-liquid separation equipment and energy efficiency detection method |
| CN114608853B (en) * | 2022-01-24 | 2024-04-09 | 合肥通用机械研究院有限公司 | Maximum flux detection device and energy efficiency detection method based on liquid-liquid separation equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5564043B2 (en) | Method for controlling the gas flow rate between multiple gas streams | |
| CN108592978B (en) | Oil gas water multiphase flow on-line metering calibration device | |
| CN106340329A (en) | Reactor thermal-hydraulic simulation testing apparatus and fluid dynamics characteristic simulation method | |
| TWI295340B (en) | Operation method of energy-saving fluid transporting machineries in parallel array with constant pressure | |
| CN105699062A (en) | Flow resistance test system of valve flow and method for performing little micro flow test by using the same | |
| CN106441797B (en) | The automatic flow resistance test macro of cold plate | |
| CN106872155A (en) | A kind of performance of exhaust valve test system and method for testing | |
| CN110375984A (en) | A kind of complete series balanced valve test macro and test method | |
| CN107167383A (en) | Circulating HTHP gas-liquid two-phase erosive wear experimental provision and method | |
| CN102095598A (en) | Valve comprehensive test system | |
| CN108225443A (en) | Gas discharge detects circuit device | |
| CN104458107B (en) | A kind of detection method of easy differential pressure device | |
| CN105486511A (en) | Debug method of state parameters of test bed | |
| CN104534102B (en) | Static double dynamic balance valve and debugging method thereof | |
| RU2641337C1 (en) | Stand for simulating process of inclined-directed gas-liquid flows | |
| CN202210005U (en) | Heat energy meter flow full-automatic detection device | |
| CN215893992U (en) | Hydrogen fuel cell hydrogen circulation ejector performance test system | |
| CN105626948B (en) | Balanced valve | |
| CN110411738A (en) | A kind of modularization valve traffic flow resistance test macro and test method | |
| CN102305676B (en) | Automatic calibrating apparatus on flow of heat energy meter | |
| CN207004802U (en) | A kind of screw pump performance testing device | |
| CN205654931U (en) | A device for fluid is adjusted | |
| CN102721539A (en) | Safety valve thermal-state test device | |
| CN211015169U (en) | Control system for temperature of pipeline confluence liquid | |
| CN207585012U (en) | Simulator is adjusted for the pressure of air conditioner test |
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 |