CN109506743A - Flowmeter on-line proving device and scaling method - Google Patents
Flowmeter on-line proving device and scaling method Download PDFInfo
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- CN109506743A CN109506743A CN201811408236.3A CN201811408236A CN109506743A CN 109506743 A CN109506743 A CN 109506743A CN 201811408236 A CN201811408236 A CN 201811408236A CN 109506743 A CN109506743 A CN 109506743A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
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Abstract
The present invention relates to a kind of flowmeter on-line proving devices, including proving flowmeter, filter, buffering pipeline, rinsing module, the input terminal of the proving flowmeter to connect with the filter.The invention further relates to a kind of scaling methods, comprising the following steps: standard component is mounted on component to be calibrated；Pipe of being infused flows into liquid in infusion outlet pipe through flowmeter to be calibrated followed by into buffering pipeline, filter, proving flowmeter, realizes calibration；It opens aspiration pump and raffinate discharge is carried out to proving flowmeter pipeline, then it is rinsed by water pump, proving flowmeter is dried through aspiration pump again, realize the cleaning-drying process to proving flowmeter pipeline.The present invention can be realized field calibration, avoid flowmeter inaccuracy or damage caused by jolting because of transport, while can backwash to standard component, prevent from influencing to measure accuracy because of raffinate Corrosion standards component.
Description
Technical field
The present invention relates to flow measurement technical fields, and in particular to a kind of flowmeter on-line proving device and scaling method.
Background technique
Various production scenes are often related to the gage work of fluid, in order to ensure the accuracy of metering.Flowmeter is just
Timing is needed to be demarcated, to guarantee the error of flowmeter within the accuracy rating as defined in country or enterprise.Traditional mark
Determine mode be by scene flowmeter disassemble be sent to measurement unit carry out field calibration, need to send to, etc. it is to be verified, fetch
Etc. processes, also to prevent flowmeter from shaking during roping, jolt and damage.Since essential program is more, cause
A large amount of drain on manpower and material resources.
There are raffinates in calibration equipment there are many drawbacks, such as after the completion of calibration for existing verification mode, and discharge is not
The waste for conveniently causing raffinate or raffinate are for a long time there are calibration equipment is corroded in calibration equipment, therefore, in order to better
The production requirement for facilitating scene, the calibration that can be realized scene is that there is an urgent need to realize for production scene.
Summary of the invention
In order to solve the problems existing in the prior art, the present invention provides a kind of flowmeter on-line proving device and scaling method,
It is intended that can field calibration, avoid caused by jolting because of transport flowmeter inaccuracy or damage, while can be to standard group
Part is backwashed, and prevents from influencing to measure accuracy because of raffinate Corrosion standards component.
To achieve the above object, the technical solution adopted by the present invention is that:
A kind of flowmeter on-line proving device, including component to be calibrated, standard component, the component to be calibrated and the mark
Prospective component connection, the standard component include proving flowmeter, filter, buffering pipeline, rinsing module, the proving flowmeter
Input terminal connect with the filter, the output end of the proving flowmeter is connect with the component to be calibrated, the buffering
The input terminal of pipeline is connect with the component to be calibrated and rinsing module respectively, the output end of the buffering pipeline and the filtering
Device connection；The rinsing module includes gas transmission component and water delivery component, is equipped with one on the output pipe of the proving flowmeter
Grade tee tube, the outlet end of the level-one tee tube is provided with Humidity Detection component.
Preferably, the Humidity Detection component includes fixed block, mobile bar, spring, humidity sensor, the fixed block
It is fixedly connected with the level-one tee tube, the mobile bar is threadedly coupled through the fixed block and with it, the mobile bar
Chuck is arranged in one end, is cased with the spring in the mobile bar between the chuck and the fixed block, the mobile bar it is another
End side wall is equipped with humidity sensor, and the mobile bar is of an L-shaped structure, and the spring is in compressive state always.
In any of the above-described scheme preferably, the filter includes Rose Box, filter screen, the bottom end of the Rose Box
Structure spherical in shape, the bottom end of the Rose Box are equipped with apopore, and the filter screen is arranged in the Rose Box and in Rose Box
It inside can move up and down, the filter screen is connect with the Rose Box inner thread, and bull stick is fixed on the filter screen, described
The Rose Box is run through in one end of bull stick.
In any of the above-described scheme preferably, it is respectively set on the intake line and output pipe of the proving flowmeter
First valve and first pressure gauge are equipped with flow sensor on the flowmeter to be calibrated and proving flowmeter.
In any of the above-described scheme preferably, the component to be calibrated includes flowmeter to be calibrated, is infused into pipe, infusion
Outlet pipe, the flowmeter to be calibrated be separately connected it is described be infused into pipe and infusion outlet pipe, it is described be infused pipe and infusion outlet pipe on
It is respectively set the second valve and second pressure gauge, second level tee tube and three-level tee tube is set in the infusion outlet pipe, described two
Infusion outlet pipe between grade tee tube and three-level tee tube is equipped with third valve.
In any of the above-described scheme preferably, the second level tee tube is connect with the input terminal of the buffering pipeline, institute
Three-level tee tube is stated to connect with the output pipe of the proving flowmeter；The level-one tee tube, second level tee tube, three-level threeway
The 4th valve is respectively equipped on pipe.
In any of the above-described scheme preferably, the gas transmission component includes air accumulator, aspiration pump, the aspiration pump it is defeated
Enter end to connect with the air accumulator, the output end of the aspiration pump is connect with the input terminal of the buffering pipeline.
In any of the above-described scheme preferably, the water delivery component includes water tank, water pump, the input terminal of the water pump
It is connected to the water tank, the output end of the water pump is connect with the input terminal of the buffering pipeline；The aspiration pump and water pump
Pipeline on be respectively equipped with the 5th valve.
In any of the above-described scheme preferably, the flowmeter on-line proving device further includes console, the control
Platform is connect with humidity sensor, flow sensor respectively.
The present invention also provides a kind of scaling method, using flowmeter on-line proving device described in any of the above embodiments, according to
Sequencing the following steps are included:
Standard component is mounted on component to be calibrated by step 1, opens the on second level tee tube and three-level tee tube
Four valves close the 4th valve on level-one tee tube, make to be infused into pipe, flowmeter to be calibrated, buffering pipeline, filter, mark
Quasi- flowmeter, infusion outlet pipe form calibration circuit；
Step 2, the third valve closing the 5th valve and being infused in outlet pipe, the liquid being infused in pipe is through stream to be calibrated
Meter, buffering pipeline, which enter in Rose Box, to be filtered, and the liquid after filter screen filtration is delivered in proving flowmeter, then
Enter in infusion outlet pipe through three-level tee tube, flowmeter sensor on flowmeter and proving flowmeter to be calibrated is by flow signal
It is respectively sent to console, and display comparison is carried out by display screen, to be carried out treating proving flowmeter according to correlation data
Verification；
Step 3 after the completion of verification, removes the raffinate in proving flowmeter pipeline, closes the 4th valve on second level tee tube
Door opens the 5th valve on aspiration pump, opens the apopore in Rose Box, and the raffinate of filtering is discharged, bar rotation is pushed away
Dynamic filter screen moves down, and the lower section until being located at Rose Box input terminal is then turned on aspiration pump for the clean sky in air accumulator
Gas is delivered to buffering pipeline, enters in proving flowmeter through Rose Box, and raffinate is pushed into infusion outlet pipe；
Step 4, raffinate are rinsed after pushing, and close aspiration pump, open first on water pump and level-one tee tube
Water in water tank is conveyed into buffering pipeline, is entered in proving flowmeter through Rose Box, then passes through level-one tee tube by valve
Outlet end discharge, humidity sensor is located at the top of level-one tee tube at this time；
Step 5 after the completion of flushing, switches off the pump, and rotation mobile bar goes out humidity sensor to pseudo-first-order tee tube
Mouthful, the water in proving flowmeter is released and is dried by the then repeatedly operation of step 3, and humidity sensor is wet by what is measured
Degree signal is sent to console, and is shown by display screen, judges degree of drying, Zhi Daogan according to the humidity of blow gas
Dry degree reaches critical field；
Step 6 rinses after the completion of drying, standard component is removed from component to be calibrated, completes calibration process.
Compared with prior art, flowmeter on-line proving device and scaling method provided by the invention have below beneficial to effect
Fruit:
1, by the way that standard component to be connect with component to be calibrated at the scene, the live on-line calibration of realization flowmeter to be calibrated,
Avoid flowmeter inaccuracy or damage caused by jolting because of transport；
It 2, not only can will be in proving flowmeter pipeline by the way that gas transmission component and water delivery component are arranged on standard component
Raffinate be delivered to infusion outlet pipe in, avoid raffinate waste and pollution ambient enviroment, but also can to proving flowmeter pipeline into
Row rinses and drying, guarantees the clean degree of proving flowmeter, avoids influencing the accuracy of proving flowmeter because raffinate corrodes；
3, it can move up and down in Rose Box by filter screen, when filtration, it is defeated that filter screen is located at filter
Enter the top at end, when rinsing, filter screen is located at the lower section of filter input terminal, not only realizes filtering function, can also realize
To filter screen automatic back-flushing function, filter screen is made to remain clean；
4, by the way that Humidity Detection component is arranged in the outlet end of level-one tee tube, it can detecte and blown out out of proving flowmeter
The humidity of gas, so that the aridity inside judgment criteria flowmeter, ensure that the drying property of proving flowmeter channel interior, keep away
Exempt from the accuracy that proving flowmeter is influenced because of humidity, precision is high, long service life；
5, humidity sensor is put in level-one tee tube by rotating mobile bar, protection is played to humidity sensor
Effect avoids carrying standard component from damaging humidity sensor because of collision in the process.
Detailed description of the invention
Fig. 1 is the overall structure diagram of a preferred embodiment of flowmeter on-line proving device according to the invention；
Fig. 2 is A-A partial enlarged view in embodiment illustrated in fig. 1.
Explanation: 1, flowmeter to be calibrated is marked in figure；2, proving flowmeter；3, the second valve；4, second pressure gauge；5, two
Grade tee tube；6, three-level tee tube；7, level-one tee tube；8, pipeline is buffered；9, Rose Box；10, water tank；11, air accumulator；
12, liquid pipe is exported；13, mobile bar；14, fixed block；15, spring；16, humidity sensor；17, chuck；18, the 4th valve；19,
First pressure gauge；20, filter screen；21, bull stick；22, the first valve.
Specific embodiment
In order to be further understood that summary of the invention of the invention, the present invention is elaborated below in conjunction with specific embodiment.
As shown in Figs. 1-2, an embodiment of flowmeter on-line proving device according to the invention, including component to be calibrated,
Standard component, the component to be calibrated are connect with the standard component, the standard component include proving flowmeter 2, filter,
Pipeline 8, rinsing module are buffered, the input terminal of the proving flowmeter 2 is connect with the filter, the proving flowmeter 2
Output end is connect with the component to be calibrated, it is described buffering pipeline 8 input terminal respectively with the component to be calibrated and flushing group
The output end of part connection, the buffering pipeline 8 is connect with the filter；The rinsing module includes gas transmission component and water delivery group
Part is equipped with level-one tee tube 7 on the output pipe of the proving flowmeter 2, and the outlet end of the level-one tee tube 7 is provided with
Humidity Detection component.
The Humidity Detection component includes fixed block 14, mobile bar 13, spring 15, humidity sensor 16, the fixed block
14 be fixedly connected at the top of 7 outlet end of level-one tee tube, chuck, the chuck 17 is arranged in one end of the mobile bar 13
The spring 15 is cased in mobile bar between the fixed block 14, the other end side wall of the mobile bar 13 is equipped with humidity
Sensor 16, humidity sensor 16 are arranged close to level-one tee tube 7, and the mobile bar 13 is of an L-shaped structure.
The filter includes Rose Box 9, filter screen 20, the bottom end structure spherical in shape of the Rose Box 9, the Rose Box
9 bottom end is equipped with apopore, is equipped with rubber stopper on the apopore, the filter screen 20 be arranged in the Rose Box 9 and
It can move up and down in Rose Box 9.
The filter screen 20 is connect with 9 inner thread of Rose Box, and bull stick 21 is fixed on the filter screen 20, described
The Rose Box 9 is run through in one end of bull stick 21, and the intake line of the filter is located at the lower section on filter outlet pipe road.
The first valve 22 and first pressure gauge are respectively arranged on the intake line and output pipe of the proving flowmeter 2
19, flow sensor is equipped on the flowmeter to be calibrated and proving flowmeter.
The component to be calibrated includes flowmeter 1 to be calibrated, is infused into pipe, infusion outlet pipe 12, the flowmeter 1 to be calibrated
Both ends be separately connected it is described be infused into pipe and infusion outlet pipe 12, be respectively arranged with the in be infused pipe and the infusion outlet pipe 12
Two valves 3 and second pressure gauge 4 are provided with second level tee tube 5 and three-level tee tube 6, the second level in the infusion outlet pipe 12
Infusion outlet pipe 12 between tee tube 5 and three-level tee tube 6 is equipped with third valve, the second valve 3 in the infusion outlet pipe 7
Between second level tee tube 5 and flowmeter to be calibrated 1.
The second level tee tube 5 is connect with the input terminal of the buffering pipeline 8, the three-level tee tube 6 and the standard
The output pipe of flowmeter 2 connects；The level-one tee tube 7, second level tee tube 5 are respectively equipped with the 4th valve on three-level tee tube 6
Door 18.
The gas transmission component includes air accumulator 11, aspiration pump, and the input terminal of the aspiration pump is connect with the air accumulator 11,
The output end of the aspiration pump is connect with the input terminal of the buffering pipeline 8.
The water delivery component includes water tank 10, water pump, and the input terminal of the water pump is connected to the water tank 10, described
The output end of water pump is connect with the input terminal of the buffering pipeline 8.
The 5th valve is respectively equipped on the pipeline of the aspiration pump and water pump.
The flowmeter on-line proving device further includes console, and the console is passed with humidity sensor, flow respectively
Sensor connection, it should be noted that console includes display screen, PLC controller, humidity sensor, flow sensor, display screen
It is connect respectively with PLC controller.
The present invention also provides a kind of scaling methods, according to sequencing the following steps are included:
Standard component is mounted on component to be calibrated by step 1, opens the on second level tee tube and three-level tee tube
Four valves close the 4th valve on level-one tee tube, make to be infused into pipe, flowmeter to be calibrated, buffering pipeline, filter, mark
Quasi- flowmeter, infusion outlet pipe form calibration circuit；
Step 2, the third valve closing the 5th valve and being infused in outlet pipe, the liquid being infused in pipe is through stream to be calibrated
Meter, buffering pipeline, which enter in Rose Box, to be filtered, and the liquid after filter screen filtration is delivered in proving flowmeter, then
Enter in infusion outlet pipe through three-level tee tube, flowmeter sensor on flowmeter and proving flowmeter to be calibrated is by flow signal
It is respectively sent to console, and display comparison is carried out by display screen, to be carried out treating proving flowmeter according to correlation data
Verification；
Step 3 after the completion of verification, removes the raffinate in proving flowmeter pipeline, closes the 4th valve on second level tee tube
Door opens the 5th valve on aspiration pump, opens the apopore in Rose Box, and the raffinate of filtering is discharged, bar rotation is pushed away
Dynamic filter screen moves down, and the lower section until being located at Rose Box input terminal is then turned on aspiration pump for the clean sky in air accumulator
Gas is delivered to buffering pipeline, enters in proving flowmeter through Rose Box, and raffinate is pushed into infusion outlet pipe；
Step 4, raffinate are rinsed after pushing, and close aspiration pump, open first on water pump and level-one tee tube
Water in water tank is conveyed into buffering pipeline, is entered in proving flowmeter through Rose Box, then passes through level-one tee tube by valve
Outlet end discharge, humidity sensor is located at the top of level-one tee tube at this time；
Step 5 after the completion of flushing, switches off the pump, and rotation mobile bar goes out humidity sensor to pseudo-first-order tee tube
Mouthful, the water in proving flowmeter is released and is dried by the then repeatedly operation of step 3, and humidity sensor is wet by what is measured
Degree signal is sent to console, and is shown by display screen, judges degree of drying, Zhi Daogan according to the humidity of blow gas
Dry degree reaches critical field；
Step 6 rinses after the completion of drying, standard component is removed from component to be calibrated, completes calibration process.
The working principle of the present embodiment: when being demarcated, the input terminal pipeline and second level tee tube of pipeline 8 will be buffered first
5 connections, the output end pipeline of proving flowmeter is connect with three-level tee tube 6, is then shut off third valve and level-one tee tube 7
On the first valve, open second level tee tube 5, the 4th valve 18 on three-level tee tube 6, open simultaneously flowmeter 1 to be calibrated
First valve at 2 both ends of the second valve 3 and proving flowmeter at both ends, make flowmeter 1 to be calibrated, buffering pipeline 8, filter,
Pipeline connection between proving flowmeter 2, output liquid pipe 12, liquid, which is infused, flows through flowmeter 1 to be calibrated, buffering pipeline into pipe
8, into filter interior, liquid flows through proving flowmeter 2, level-one tee tube 7, three-level tee tube 6 after filtering and reenters
The flow signal measured is sent to PLC controller by infusion outlet pipe, flow sensor, and signal is delivered to display by PLC controller
Comparison is displayed data on screen, flowmeter 1 to be calibrated is adjusted according to error range, is realized live on-line proving function, is worked as mark
It after the completion of fixed, needs to be rinsed proving flowmeter 2 drying, opens rubber stopper for the filtering liquid in Rose Box 9 by going out
Water hole discharge, the 4th valve 18 being first shut off on second level tee tube 5, open aspiration pump by the gas in air accumulator 11 convey into
It buffers in pipeline 8, enters in infusion outlet pipe after Rose Box 9, proving flowmeter 2, so that pipeline 8, proving flowmeter 2 will be buffered
Residual liquid in pipeline is sent in infusion outlet pipe, realizes the discharge of raffinate, avoids raffinate from staying in proving flowmeter 2 interior and rotten
It causes precision to reduce in erosion proving flowmeter 2, after the completion of discharge, closes the 4th valve of aspiration pump and 6 road of three-level tee tube
Door 18 opens the first valve on level-one tee tube 7, be then turned on water pump to buffering pipeline 8, the filter screen 20 in Rose Box 9,
Proving flowmeter 2 is backwashed, and the water of flushing is flowed out out of level-one tee tube 7, and humidity sensor 16 is located at level-one three at this time
The top of 7 outlet end of siphunculus after the completion of flushing, the water in Rose Box 9 is discharged by apopore, is then shut off water pump and repeats
It states gas transmission operation proving flowmeter 2 is dried, gas is discharged through 7 tunnel of level-one tee tube, and setting is clean empty in air accumulator 11
Gas when being dried, rotates mobile bar 13, and humidity sensor 16 is made to be located at the outlet end of level-one tee tube 7, real-time monitoring discharge
The humidity of gas, then moisture signal is sent to PLC controller by humidity sensor 16, and is uploaded on display screen and is shown
Show, after humidity reaches setting value, closes aspiration pump, realize the drying to proving flowmeter 2, after the completion of calibration, rotation movement
Bar keeps mobile bar close to the direction of level-one tee tube, until humidity sensor enters in level-one tee tube, to humidity sensor
It plays a protective role.
Compared with prior art, the present embodiment has the advantages that
It, not only can will be residual in proving flowmeter pipeline by the way that gas transmission component and water delivery component are arranged on standard component
Liquid is delivered in infusion outlet pipe, is avoided raffinate from wasting and is polluted ambient enviroment, but also can carry out to proving flowmeter pipeline
It rinses and dry, guarantees the clean degree of proving flowmeter, avoid influencing the accuracy of proving flowmeter because raffinate corrodes；Pass through
Rotation mobile bar puts in humidity sensor in level-one tee tube, plays a protective role to humidity sensor, avoids carrying
Humidity sensor is damaged because of collision during standard component.
It will be apparent to those skilled in the art that flowmeter on-line proving device of the invention and scaling method include above-mentioned
Any combination of each section shown by the summary of the invention and specific embodiment part and attached drawing of description of the invention, is limited to a piece
Width simultaneously describes for each scheme for keeping specification concise without constituting these combinations one by one.It is all in the spirit and principles in the present invention
Within, any modification, equivalent substitution, improvement and etc. done should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of flowmeter on-line proving device, including component to be calibrated, standard component, the component to be calibrated and the standard
Component connection, it is characterised in that: the standard component includes proving flowmeter, filter, buffers pipeline, rinsing module, described
The input terminal of proving flowmeter is connect with the filter, and the output end of the proving flowmeter and the component to be calibrated connect
It connects, the input terminal of the buffering pipeline is connect with the component to be calibrated and rinsing module respectively, the output of the buffering pipeline
End is connect with the filter；The rinsing module includes gas transmission component and water delivery component, the efferent duct of the proving flowmeter
Road is equipped with level-one tee tube, and the outlet end of the level-one tee tube is provided with Humidity Detection component.
2. flowmeter on-line proving device according to claim 1, it is characterised in that: the Humidity Detection component includes solid
Determine block, mobile bar, spring, humidity sensor, the fixed block is fixedly connected with the level-one tee tube, and the mobile bar runs through
It the fixed block and is threadedly coupled with it, chuck is arranged in one end of the mobile bar, between the chuck and the fixed block
The spring is cased in mobile bar, the other end side wall of the mobile bar is equipped with humidity sensor, the L-shaped knot of mobile bar
Structure, the spring are in compressive state always.
3. flowmeter on-line proving device according to claim 1, it is characterised in that: the filter include Rose Box,
Filter screen, the bottom end of Rose Box structure spherical in shape, the bottom end of the Rose Box are equipped with apopore, and the filter screen setting exists
It can move up and down in the Rose Box and in Rose Box, the filter screen is connect with the Rose Box inner thread, described
Bull stick is fixed on filter screen, the Rose Box is run through in one end of the bull stick.
4. flowmeter on-line proving device according to claim 1, it is characterised in that: the input pipe of the proving flowmeter
The first valve and first pressure gauge are respectively set on road and output pipe, is all provided on the flowmeter to be calibrated and proving flowmeter
There is flow sensor.
5. flowmeter on-line proving device according to claim 1, it is characterised in that: the component to be calibrated includes wait mark
Constant current meter is infused into pipe, infusion outlet pipe, and the flowmeter to be calibrated is separately connected described be infused into pipe and infusion outlet pipe, institute
It states and the second valve and second pressure gauge is respectively set in be infused pipe and infusion outlet pipe, second level threeway is set in the infusion outlet pipe
Pipe and three-level tee tube, the infusion outlet pipe between the second level tee tube and three-level tee tube are equipped with third valve.
6. flowmeter on-line proving device according to claim 5, it is characterised in that: the second level tee tube delays with described
The input terminal on washing pipe road connects, and the three-level tee tube is connect with the output pipe of the proving flowmeter；The level-one threeway
The 4th valve is respectively equipped on pipe, second level tee tube, three-level tee tube.
7. the flowmeter on-line proving device according to any one of claim 6, it is characterised in that: the gas transmission component packet
Air accumulator, aspiration pump are included, the input terminal of the aspiration pump is connect with the air accumulator, and the output end of the aspiration pump delays with described
The input terminal on washing pipe road connects.
8. flowmeter on-line proving device according to claim 7, it is characterised in that: the water delivery component includes water storage
Tank, water pump, the input terminal of the water pump are connected to the water tank, the input of the output end of the water pump and the buffering pipeline
End connection；The 5th valve is respectively equipped on the pipeline of the aspiration pump and water pump.
9. flowmeter on-line proving device according to claim 8, it is characterised in that: the flowmeter on-line proving device
It further include console, the console is connect with humidity sensor, flow sensor respectively.
10. the scaling method of flowmeter on-line proving device according to claim 1 to 9, according to sequencing
The following steps are included:
Standard component is mounted on component to be calibrated by step 1, opens the 4th valve on second level tee tube and three-level tee tube
Door closes the 4th valve on level-one tee tube, makes to be infused into pipe, flowmeter to be calibrated, buffering pipeline, filter, normal stream
Meter, infusion outlet pipe form calibration circuit；
Step 2, close the 5th valve and be infused outlet pipe on third valve, the liquid being infused in pipe through flowmeter to be calibrated,
Buffering pipeline, which enters in Rose Box, to be filtered, and the liquid after filter screen filtration is delivered in proving flowmeter, then through three
Grade tee tube enters in infusion outlet pipe, and the flowmeter sensor on flowmeter and proving flowmeter to be calibrated distinguishes flow signal
It is sent to console, and display comparison is carried out by display screen, to treat according to correlation data the school of proving flowmeter
It tests；
Step 3 after the completion of verification, removes the raffinate in proving flowmeter pipeline, closes the 4th valve on second level tee tube,
The 5th valve on aspiration pump is opened, the apopore in Rose Box is opened, the raffinate of filtering is discharged, bar rotation was pushed
Strainer moves down, and the lower section until being located at Rose Box input terminal is then turned on aspiration pump the cleaned air in air accumulator is defeated
It send to buffering pipeline, enters in proving flowmeter through Rose Box, raffinate is pushed into infusion outlet pipe；
Step 4, raffinate are rinsed after pushing, and close aspiration pump, open the first valve on water pump and level-one tee tube
Water in water tank is conveyed into buffering pipeline, is entered in proving flowmeter through Rose Box, then passes through level-one tee tube by door
Outlet end discharge, humidity sensor is located at the top of level-one tee tube at this time；
Step 5 after the completion of flushing, switches off the pump, and rotation mobile bar makes outlet of the humidity sensor to pseudo-first-order tee tube, so
The operation for repeating step 3 afterwards, the water in proving flowmeter is released and is dried, and humidity sensor believes the humidity measured
Number it is sent to console, and is shown by display screen, degree of drying is judged according to the humidity of blow gas, until aridity
Reach critical field；
Step 6 rinses after the completion of drying, standard component is removed from component to be calibrated, completes calibration process.
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|---|---|---|---|
| CN201811408236.3A CN109506743B (en) | 2018-11-23 | 2018-11-23 | Flowmeter online calibration device and calibration method |
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| CN201811408236.3A CN109506743B (en) | 2018-11-23 | 2018-11-23 | Flowmeter online calibration device and calibration method |
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| CN109506743B CN109506743B (en) | 2020-06-30 |
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| CN112577571A (en) * | 2020-12-11 | 2021-03-30 | 浙江启尔机电技术有限公司 | Liquid supply system with sensor calibration flow path and calibration method thereof |
| CN113082822A (en) * | 2021-04-23 | 2021-07-09 | 承德石油高等专科学校 | Filtering liquid-changing device |
| CN114440133A (en) * | 2021-12-17 | 2022-05-06 | 河南平高电气股份有限公司 | For SF6Monitoring module of inflation and deflation recovery device and flow meter deviation rectifying method |
| CN115388985A (en) * | 2022-08-09 | 2022-11-25 | 上海核工程研究设计院有限公司 | Flowmeter calibration system and method under complex flow environment |
| CN117007138A (en) * | 2023-08-09 | 2023-11-07 | 新疆生产建设兵团建设工程(集团)有限责任公司 | Rock mass water flow monitoring device |
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