CN104316146A - High-precision liquid flow verification system for flowmeters - Google Patents
High-precision liquid flow verification system for flowmeters Download PDFInfo
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- CN104316146A CN104316146A CN201410578006.7A CN201410578006A CN104316146A CN 104316146 A CN104316146 A CN 104316146A CN 201410578006 A CN201410578006 A CN 201410578006A CN 104316146 A CN104316146 A CN 104316146A
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Abstract
The invention discloses a high-precision liquid flow verification system for flowmeters. The high-precision liquid flow verification system comprises a tester connected onto a liquid supply system, and a to-be-tested mass flowmeter can be mounted in the tester connected with a weighing system; or a standard mass flowmeter in series connection with the to-be-tested mass flowmeter is further arranged in the tester. The high-precision liquid flow verification system for the flowmeters is capable of quickly and accurately verifying liquid flow of Coriolis mass flowmeters and has the advantages of accuracy and quickness in positioning, stability in performance, high test precision and high universality.
Description
Technical field
The invention belongs to the detection technique field of coriolis mass flowmeters, particularly relate to a kind of high precision flow fluid flow verification system.
Background technology
Coriolis mass flowmeters is a kind of novel instrument directly and critically measuring liquid mass flow, if while pipe synchronous vibration therein, by in fluid ingress pipe, make it along flow forward in pipe, then pipe will force fluid up-down vibration therewith, fluid is in order to revolt this forced vibration, understand to one, the pipe reacting force vertical with its flow direction, this be called the effect of Coriolis effect power under, the vibrations of pipe are asynchronous, entrance pipe and outlet section pipe there will be difference on the time vibrated, (difference coriolis force direction suffered by entrance and outlet section fluid is contrary), this is called phase time difference.This species diversity is directly proportional to the size of the liquid mass flow flowing through pipe; If the size of this time difference can be detected by circuit, then just can by the size of mass rate to determining.This flowmeter is referred to as coriolis mass flowmeters, it with in the world current the maximum size not being both the quality that it is surveyed of tens kinds of conventional volumeters, the unit of use is kg/min.Accurate and constant with the volumeter of flowmeter ratio volume (as liter or the cubic meter) office of quality (as kilogram) office.Coriolis mass flowmeters has accuracy, repeatability, stability, and in fluid passage, do not have flow blocking element and movable member, thus its good reliability, long service life, can also measure the flow of high viscosity fluid and gases at high pressure simultaneously.At industrial sectors such as oil, chemical industry, metallurgy, building materials, papermaking, medicine, food, bioengineering, the energy, space flight, its application is also more and more extensive.
Wherein flowmeter is after the manufacturing completes, need to detect it, therefore will use flowmeter water gauge and determine test platform, it is the precision utilizing comparative measurement method to carry out test mass flowmeter, determine the various parameters of mass flowmeter, and the flow of different flow section detects by regulating, whether calibration mass flowmeter meets corresponding standard.
Summary of the invention
The invention provides a kind of high precision flow fluid flow verification system, can carry out the calibration operation of fluid flow rapidly and accurately to coriolis mass flowmeters, its accurate positioning is quick, and stable performance, measuring accuracy is high, and versatility is good.
The object of the present invention is to provide a kind of high precision flow fluid flow verification system, comprise the detecting device be connected on liquid-supplying system, in described detecting device, mass flowmeter to be measured can be installed, described detecting device is connected with weighing system; Or be also provided with the standard mass flow meter of connecting with mass flowmeter to be measured in described detecting device.
Further, described detecting device comprises body, the worktable at described body top is provided with passive V-type support, described V-type support is laid standard mass flow meter and mass flowmeter to be measured, the entrance point of described standard mass flow meter is connected on liquid-supplying system by seal head, connected by the seal of tube between described standard mass flow meter and mass flowmeter to be measured, the endpiece of described mass flowmeter to be measured is connected to outside body by seal head, is provided with latch segment outside described seal head.
Further, described detecting device comprises body, the worktable at described body top is provided with passive V-type support, mass flowmeter to be measured laid by described V-type support, the entrance end of described mass flowmeter to be measured is connected on liquid-supplying system and weighing system respectively by seal head, is provided with latch segment outside described seal head.
Further, described weighing system comprises and is placed in water tank on the weighing system of different accuracy and water tank, described water tank and water tank adopt pipeline to be connected on T-valve respectively, described T-valve is connected on the seal head in detecting device exit, described pipeline is provided with watch-dog near tank mouth place, and described pipeline is provided with variable valve and ball valve.
Further, described weighing system comprises title, promotes facility and Hydraulic Station, and described title is placed in below water tank, and described lifting facility is placed in one side of the title below water tank, and described lifting facility is connected on Hydraulic Station.
Further, described liquid-supplying system comprises water stop and buffer tank, and described buffer tank is connected on water stop, and described buffer tank is connected with on the seal head of detecting device entrance point by separator tube, this separator tube is provided with tensimeter and ball valve.
High precision flow fluid flow verification system provided by the invention, comprises the detecting device be connected on liquid-supplying system, can install mass flowmeter to be measured in described detecting device, described detecting device is connected with weighing system; Or be also provided with the standard mass flow meter of connecting with mass flowmeter to be measured in described detecting device, this high precision flow fluid flow verification system can carry out the calibration operation of fluid flow rapidly and accurately to coriolis mass flowmeters, its accurate positioning is quick, stable performance, measuring accuracy is high, and versatility is good.
Accompanying drawing explanation
Fig. 1 is the workbench schematic diagram of the high precision flow fluid flow verification system that the embodiment of the present invention 1 provides;
Fig. 2 is the structural representation of the high precision flow fluid flow verification system that the embodiment of the present invention provides;
Fig. 3 is the workbench schematic diagram of the high precision flow fluid flow verification system that the embodiment of the present invention 2 provides;
Fig. 4 is the workflow schematic diagram of the high precision flow fluid flow verification system that the embodiment of the present invention provides.
In figure: 1-detecting device, 2-water stop, 3-buffer tank, 4-water tank, 5-water tank, 6-hoisting apparatus, 7-watch-dog, 8-Hydraulic Station, 9-T-valve, 10,11-claims, and 12-promotes facility, 13-drainage arrangement, 14-variable valve, 15-ball valve, 16-pipeline, 17-separator tube, 18-tensimeter, 19-operation bench, 20-display, 101-body, 102-support, 103-mass flowmeter to be measured, 104-flange, 105-O-ring seal, 106-seal head, 107-latch segment, 108-standard mass flow meter, 109-connecting pipe.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is described in further detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, and be not used in restriction invention.Described
Embodiment 1, as depicted in figs. 1 and 2, high precision flow fluid flow verification system provided by the invention, comprise the detecting device 1 be connected on liquid-supplying system, liquid-supplying system comprises water stop 2 and buffer tank 3, described buffer tank 3 is connected on water stop 2, and described buffer tank 3 is connected with on the seal head 106 of detecting device 1 entrance point by separator tube 17, this separator tube 17 is provided with tensimeter 18 and ball valve 15; Wherein be provided with hoisting apparatus 6 on detecting device 1 side, in described detecting device 1, mass flowmeter 103 to be measured can be installed, described detecting device 1 is connected with weighing system; Or be also provided with the standard mass flow meter 108 of connecting with mass flowmeter 103 to be measured in described detecting device 1.Wherein said detecting device 1 comprises body 101, the worktable at described body 101 top is provided with passive V-type support 102, mass flowmeter 103 to be measured laid by described V-type support 102, the entrance end of described mass flowmeter to be measured 103 is connected on liquid-supplying system and weighing system respectively by seal head 106, is provided with latch segment 107 outside described seal head 106.Wherein said weighing system comprises and is placed in water tank on the weighing system of different accuracy 4 and water tank 5, water tank 4 described in it and water tank 5 is made to adopt pipeline 16 to be connected on T-valve 9 respectively, described T-valve 9 is connected on the seal head 106 in detecting device 1 exit, described pipeline 16 is provided with watch-dog 7 near tank mouth place, and described pipeline 16 is provided with variable valve 14 and ball valve 15.Wherein said weighing system comprises title, promotes facility 12 and Hydraulic Station 8, and described title is placed in below water tank 5, and described lifting facility 12 is placed in one side of the title below water tank 5, and described lifting facility 12 is connected on Hydraulic Station 8.
High precision flow fluid flow verification system provided by the invention, by liquid-supplying system to mass flowmeter feed flow to be measured, read its reading C, then the liquid flowed out from mass flowmeter to be measured is entered in weighing system and carry out weight reading D, wherein require that weighing system has higher precision, and then C and D being compared the precision and quality that can judge mass flowmeter to be measured, its workflow is as shown in Figure 4.
Embodiment 2, as shown in Figure 3, this embodiment is similar to embodiment 1, its difference is that described detecting device 1 comprises body 101, the worktable at described body 101 top is provided with passive V-type support 102, described V-type support 102 is laid standard mass flow meter 108 and mass flowmeter to be measured 103, the entrance point of described standard mass flow meter 108 is connected on liquid-supplying system by seal head 106, be tightly connected by connecting pipe 109 between described standard mass flow meter 108 and mass flowmeter to be measured 103, the endpiece of described mass flowmeter to be measured 103 is connected to outside body 101 by seal head 106, latch segment 107 is provided with outside described seal head 106.Standard mass flow meter is connected with mass flowmeter to be measured by this embodiment, make fluid be introduced into standard mass flow and measure to obtain the mass rate reading A of its standard, and then make liquid enter into mass flowmeter to be measured to record its reading B, then A and B is compared the precision and quality that can judge mass flowmeter to be measured.
High precision flow fluid flow verification system provided by the invention, can carry out the calibration operation of fluid flow rapidly and accurately to coriolis mass flowmeters, its accurate positioning is quick, and stable performance, measuring accuracy is high, and versatility is good.
The high precision flow fluid flow verification system that the embodiment of the present invention provides, comprises the detecting device 1 be connected on liquid-supplying system, can install mass flowmeter to be measured, described detecting device 1 is connected with weighing system in described detecting device 1; Or be also provided with the standard mass flow meter 108 of connecting with mass flowmeter 103 to be measured in described detecting device 1, this high precision flow fluid flow verification system can carry out the calibration operation of fluid flow rapidly and accurately to coriolis mass flowmeters, its accurate positioning is quick, stable performance, measuring accuracy is high, and versatility is good.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a high precision flow fluid flow verification system, is characterized in that, comprises the detecting device be connected on liquid-supplying system, installs mass flowmeter to be measured, described detecting device is connected with weighing system in described detecting device; Or be also provided with the standard mass flow meter of connecting with mass flowmeter to be measured in described detecting device.
2. high precision flow fluid flow verification system as claimed in claim 1, it is characterized in that, described detecting device comprises body, the worktable at described body top is provided with passive V-type support, described V-type support is laid standard mass flow meter and mass flowmeter to be measured, the entrance point of described standard mass flow meter is connected on liquid-supplying system by seal head, connected by the seal of tube between described standard mass flow meter and mass flowmeter to be measured, the endpiece of described mass flowmeter to be measured is connected to outside body by seal head, latch segment is provided with outside described seal head.
3. high precision flow fluid flow verification system as claimed in claim 1, it is characterized in that, described weighing system comprises and is placed in water tank on the weighing system of different accuracy and water tank, described water tank and water tank adopt pipeline to be connected on T-valve respectively, described T-valve is connected on the seal head in detecting device exit, described pipeline is provided with watch-dog near tank mouth place, and described pipeline is provided with variable valve and ball valve.
4. high precision flow fluid flow verification system as claimed in claim 3, it is characterized in that, described weighing system comprises title, promotes facility and Hydraulic Station, described title is placed in below water tank, described lifting facility is placed in one side of the title below water tank, and described lifting facility is connected on Hydraulic Station.
5. high precision flow fluid flow verification system as claimed in claim 2, it is characterized in that, described liquid-supplying system comprises water stop and buffer tank, described buffer tank is connected on water stop, described buffer tank is connected with by separator tube on the seal head of detecting device entrance point, this separator tube is provided with tensimeter and ball valve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410578006.7A CN104316146A (en) | 2014-10-24 | 2014-10-24 | High-precision liquid flow verification system for flowmeters |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410578006.7A CN104316146A (en) | 2014-10-24 | 2014-10-24 | High-precision liquid flow verification system for flowmeters |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107144325A (en) * | 2017-06-06 | 2017-09-08 | 重庆川仪自动化股份有限公司 | Mass flowmeter calibration detection means |
| CN109029956A (en) * | 2018-08-10 | 2018-12-18 | 安徽鸣宇智能科技有限公司 | A kind of Multifunctional water-feed valve detection device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203657895U (en) * | 2014-01-07 | 2014-06-18 | 成都安迪生测量有限公司 | Liquid flow verification system for flow meter |
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2014
- 2014-10-24 CN CN201410578006.7A patent/CN104316146A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203657895U (en) * | 2014-01-07 | 2014-06-18 | 成都安迪生测量有限公司 | Liquid flow verification system for flow meter |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107144325A (en) * | 2017-06-06 | 2017-09-08 | 重庆川仪自动化股份有限公司 | Mass flowmeter calibration detection means |
| CN107144325B (en) * | 2017-06-06 | 2023-09-01 | 重庆川仪自动化股份有限公司 | Mass flow meter calibration detection device |
| CN109029956A (en) * | 2018-08-10 | 2018-12-18 | 安徽鸣宇智能科技有限公司 | A kind of Multifunctional water-feed valve detection device |
| CN109029956B (en) * | 2018-08-10 | 2020-01-03 | 安徽鸣宇智能科技有限公司 | Multifunctional water supply valve detection equipment |
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Application publication date: 20150128 |