CN203657895U - Liquid flow verification system for flow meter - Google Patents

Liquid flow verification system for flow meter Download PDF

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Publication number
CN203657895U
CN203657895U CN201420007926.9U CN201420007926U CN203657895U CN 203657895 U CN203657895 U CN 203657895U CN 201420007926 U CN201420007926 U CN 201420007926U CN 203657895 U CN203657895 U CN 203657895U
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flowmeter
measured
detecting
liquid
seal head
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CN201420007926.9U
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曾咏
江峰
胥健
彭俊
吕川
何晓莉
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CHENGDU ANDERSON MEASUREMENT Co Ltd
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CHENGDU ANDERSON MEASUREMENT Co Ltd
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Abstract

The utility model discloses a liquid flow verification system for a flow meter and belongs to the technical field of detection of a coriolis mass flow meter. The liquid flow verification system for the flow meter comprises a detector which is connected to a fluid supplying system; a to-be-detected mass flow meter can be installed inside the detector; a weighting system is connected to the detector; or a standard mass flow meter which is connected with the to-be-measured mass flow meter in a series mode is arranged inside the detector. The liquid flow verification system for the flow meter has the advantages of rapidly and accurately performing liquid flow verification on the coriolis mass flow meter and being accurate and rapid in positioning, stable in performance, high in testing accuracy and good in universality.

Description

A kind of fluid flow verification system of flowmeter
Technical field
The utility model relates to the fluid flow verification system of the detection technique of coriolis mass flowmeters, particularly a kind of coriolis mass flowmeters.
Background technology
Coriolis mass flowmeters is a kind of novel instrument of directly and critically measuring fluid mass flow, if when pipe synchronous vibration therein, in fluid ingress pipe, make it along flowing forward in pipe, pipe will force fluid up-down vibration therewith, fluid is in order to revolt this forced vibration, can be to reacting force vertical with its flow direction of pipe, under this effect that is called Coriolis effect power, the vibrations of pipe are asynchronous, there is difference in the time order and function chamber of commerce of vibration in entrance pipe and outlet section pipe, (difference is because entrance and outlet section direction of flow are contrary), it is poor that this is called phase time.This species diversity is directly proportional to the size of the fluid mass flow that flows through pipe; If can detect the size of this time difference by circuit, just the size of mass rate can be given and determined.This flowmeter is known as coriolis mass flowmeters, it and the size that is not both at present in the world the quality that its surveys in the maximum of tens kinds of conventional volumeters of use, and the unit of use is kg/min.With the flowmeter of quality (as kilogram) office than accurate and constant with the volumeter of volume (as liter or cubic meter) office.Coriolis mass flowmeters has accuracy, repeatability, stability, simultaneously in fluid passage, is provided with choked flow element and movable member, thereby its good reliability, and long service life can also be measured the flow of high viscosity fluid and gases at high pressure.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 to utilize comparative measurement method to carry out the precision of 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.
Utility model content
Goal of the invention of the present utility model is: for the problem of above-mentioned existence, provide a kind of fluid flow verification system of flowmeter, can carry out rapidly and accurately the calibration operation of fluid flow to coriolis mass flowmeters, its accurate positioning is quick, stable performance, measuring accuracy is high, and versatility is good.
The technical solution adopted in the utility model is as follows:
The fluid flow verification system of flowmeter of the present utility model, comprises the detecting device being connected on liquid-supplying system, in described detecting device, mass flowmeter to be measured can be installed, and on described detecting device, is connected with weighing system; Or in described detecting device, be also provided with the standard quality flowmeter of connecting with mass flowmeter to be measured.
Owing to having adopted said structure, liquid-supplying system can be in liberal supply constant liquid in detecting device, and the flow of being convenient to treat mass metering flowmeter is examined and determine, wherein monitoring mode comprises two kinds, the first is that standard quality flowmeter is connected with mass flowmeter to be measured, make fluid be introduced into standard quality flowmeter to record 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 are compared to precision and the quality that can judge mass flowmeter to be measured, the second is in the time there is no standard quality flowmeter, can be by liquid-supplying system to mass flowmeter feed flow to be measured, read its reading C, then the liquid flowing out from mass flowmeter to be measured is entered and in weighing system, carry out weight and read D, wherein require weighing system to there is higher precision, and then C and D are compared to precision and the quality that can judge mass flowmeter to be measured, its operation is very easy, can carry out rapidly and accurately the calibration operation of fluid flow to coriolis mass flowmeters, and accurate positioning is quick, stable performance, measuring accuracy is high, versatility is good.
The fluid flow verification system of flowmeter of the present utility model, described detecting device comprises body, the worktable at described body top is provided with passive V-type support, on described V-type support, lay standard quality flowmeter and mass flowmeter to be measured, the entrance point of described standard quality flowmeter is connected on liquid-supplying system by seal head, between described standard quality flowmeter and mass flowmeter to be measured, be tightly connected by connecting pipe, the endpiece of described mass flowmeter to be measured is connected to outside body by seal head, and described seal head is provided with latch segment outward.
Owing to having adopted said structure, V-type support is used for supporting flowmeter, the flange at the entrance point place of standard quality flowmeter is connected on seal head by O-ring seal, be connected on liquid-supplying system by seal head again, guarantee sealing property, connecting pipe can be connected and sealed standard quality flowmeter and mass flowmeter to be measured, thereby can make liquid first after standard quality flowmeter, can successfully enter into mass flowmeter to be measured measures, the flange at the endpiece place of mass flowmeter to be measured is connected with seal head by O-ring seal, be connected to outside body by seal head again, liquid is after testing discharged, latch segment wherein can will clamp between seal head and flange, guarantee its sealing property.
The fluid flow verification system of flowmeter of the present utility model, described detecting device comprises body, the worktable at described body top is provided with passive V-type support, on described V-type support, lay mass flowmeter to be measured, the entrance end of described mass flowmeter to be measured is connected on liquid-supplying system and weighing system by seal head respectively, and described seal head is provided with latch segment outward.
Owing to having adopted said structure, V-type support is used for supporting flowmeter, the flange at the entrance end place of mass flowmeter to be measured is connected with seal head by O-ring seal, and connect on liquid-supplying system and weighing system by seal head, can be by liquid-supplying system to mass flowmeter feed flow to be measured, read its reading C, then the liquid flowing out from mass flowmeter to be measured is entered and in weighing system, carry out weight and read D, wherein require weighing system to there is higher precision, and then C and D are compared to precision and the quality that can judge mass flowmeter to be measured.
The fluid flow verification system of flowmeter of the present utility model, described weighing system comprises water tank and the water tank on the Weighing mechanism that is placed in different accuracy, described water tank and water tank adopt respectively pipeline to be connected on T-valve, described T-valve is connected on the seal head in detecting device exit, on described pipeline, be provided with watch-dog near tank mouth place, described pipeline is provided with variable valve and ball valve.
Owing to having adopted said structure, owing to including plurality of specifications in flowmeter, therefore for the flowmeter of different flow size, need Weighing mechanism and two water tanks that vary in size and the water tank of two different accuracy ranks, wherein water tank and water tank are connected in the seal head in detecting device exit by T-valve, can control and adopt what tank according to the difference of flow by T-valve, set as required; Watch-dog can monitor the liquid level situation in tank at tank mouth respectively, avoid occurring overflow; Variable valve and ball valve can be controlled the liquid in pipeline, make it
The fluid flow verification system of flowmeter of the present utility model, described Weighing mechanism comprises title, promotes facility and Hydraulic Station, described title is placed in water tank below, and described lifting facility is placed in one side of the title of water tank below, and described lifting facility is connected on Hydraulic Station.
Owing to having adopted said structure, in the time that the flow of flowmeter is larger, the water tank needing just larger, therefore in the time that the liquid of discharging from detecting device enters into water tank, need first water tank is promoted to certain altitude, and then be positioned over this and deserve to be called, avoid claiming to be subject to weight for a long time and to affect its precision, wherein this lifting facility adopts hydrostatic control, and is connected on Hydraulic Station.
The fluid flow verification system of flowmeter of the present utility model, described liquid-supplying system comprises water stop and buffer tank, described buffer tank is connected on water stop, on described buffer tank, is connected with on the seal head of detecting device entrance point by separator tube, and this separator tube is provided with tensimeter and ball valve.
Owing to having adopted said structure, water stop provides tracer liquid for whole detecting device, and the liquid of the stable pressure providing is provided buffer tank, guarantees the measurement of flowmeter accurately reliable.
In sum, owing to having adopted technique scheme, the beneficial effects of the utility model are:
The fluid flow verification system of flowmeter of the present utility model, can carry out the calibration operation of fluid flow rapidly and accurately to coriolis mass flowmeters, its accurate positioning is quick, stable performance, and measuring accuracy is high, and versatility is good.
Accompanying drawing explanation
Fig. 1 is the workbench schematic diagram of embodiment 1 in the utility model;
Fig. 2 is structural representation of the present utility model;
Fig. 3 is the workbench schematic diagram of embodiment 2 in the utility model;
Fig. 4 is schematic flow sheet in the utility model.
Mark 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, 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 quality flowmeter, 109-connecting pipe.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment 1 as depicted in figs. 1 and 2, the fluid flow verification system of flowmeter of the present utility model, comprise the detecting device 1 being connected on liquid-supplying system, described liquid-supplying system comprises water stop 2 and buffer tank 3, described buffer tank 3 is connected on water stop 2, on described buffer tank 3, be 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, at the other hoisting apparatus 6 that is provided with of detecting device 1, in described detecting device 1, mass flowmeter 103 to be measured can be installed, on described detecting device 1, be connected with weighing system; Or in described detecting device 1, be also provided with the standard quality flowmeter 108 of connecting with mass flowmeter 103 to be measured.Wherein said detecting device 1 comprises body 101, the worktable at described body 101 tops is provided with passive V-type support 102, on described V-type support 102, lay mass flowmeter 103 to be measured, the entrance end of described mass flowmeter to be measured 103 is connected on liquid-supplying system and weighing system by seal head 106 respectively, the outer latch segment 107 that is provided with of described seal head 106.Wherein said weighing system comprises the water tank 4 and water tank 5 on the Weighing mechanism that is placed in different accuracy, make water tank 4 and water tank 5 described in it adopt respectively pipeline 16 to be connected on T-valve 9, described T-valve 9 is connected on the seal head 106 in detecting device 1 exit, on described pipeline 16, be provided with watch-dog 7 near tank mouth place, described pipeline 16 is provided with variable valve 14 and ball valve 15.Wherein said Weighing mechanism comprises title, promotes facility 12 and Hydraulic Station 8, and described title is placed in water tank 5 belows, and described lifting facility 12 is placed in one side of the title of water tank 5 belows, and described lifting facility 12 is connected on Hydraulic Station 8.
The fluid flow verification system of flowmeter of the present utility model, can be by liquid-supplying system to mass flowmeter feed flow to be measured, read its reading C, then the liquid flowing out from mass flowmeter to be measured is entered and in weighing system, carry out weight and read D, wherein require weighing system to there is higher precision, and then C and D are compared to precision and the 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 tops is provided with passive V-type support 102, on described V-type support 102, lay standard quality flowmeter 108 and mass flowmeter to be measured 103, the entrance point of described standard quality flowmeter 108 is connected on liquid-supplying system by seal head 106, between described standard quality flowmeter 108 and mass flowmeter to be measured 103, be tightly connected by connecting pipe 109, the endpiece of described mass flowmeter to be measured 103 is connected to outside body 101 by seal head 106, the outer latch segment 107 that is provided with of described seal head 106.This embodiment connects standard quality flowmeter with mass flowmeter to be measured, make fluid be introduced into standard quality flowmeter to record 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 are compared to precision and the quality that can judge mass flowmeter to be measured.
The fluid flow verification system of flowmeter of the present utility model, can carry out the calibration operation of fluid flow rapidly and accurately to coriolis mass flowmeters, its accurate positioning is quick, stable performance, and measuring accuracy is high, and versatility is good.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.

Claims (6)

1. a fluid flow verification system for flowmeter, is characterized in that: it comprises the detecting device (1) being connected on liquid-supplying system, in described detecting device (1), mass flowmeter to be measured (103) can be installed, and described detecting device is connected with weighing system on (1); Or in described detecting device (1), be also provided with the standard quality flowmeter (108) of connecting with mass flowmeter to be measured (103).
2. the fluid flow verification system of flowmeter as claimed in claim 1, it is characterized in that: described detecting device (1) comprises body (101), the worktable at described body (101) top is provided with passive V-type support (102), on described V-type support (102), lay standard quality flowmeter (108) and mass flowmeter to be measured (103), the entrance point of described standard quality flowmeter (108) is connected on liquid-supplying system by seal head (106), between described standard quality flowmeter (108) and mass flowmeter to be measured (103), be tightly connected by connecting pipe (109), the endpiece of described mass flowmeter to be measured (103) is connected to outside body (101) by seal head (106), the outer latch segment (107) that is provided with of described seal head (106).
3. the fluid flow verification system of flowmeter as claimed in claim 1, it is characterized in that: described detecting device (1) comprises body (101), the worktable at described body (101) top is provided with passive V-type support (102), on described V-type support (102), lay mass flowmeter to be measured (103), the entrance end of described mass flowmeter to be measured (103) is connected on liquid-supplying system and weighing system by seal head (106) respectively, the outer latch segment (107) that is provided with of described seal head (106).
4. the fluid flow verification system of flowmeter as claimed in claim 3, it is characterized in that: described weighing system comprises the water tank (4) and water tank (5) on the Weighing mechanism that is placed in different accuracy, described water tank (4) and water tank (5) adopt respectively pipeline (16) to be connected on T-valve (9), described T-valve (9) is connected on the seal head (106) in detecting device (1) exit, described pipeline (16) is upper is provided with watch-dog (7) near tank mouth place, and described pipeline (16) is provided with variable valve (14) and ball valve (15).
5. the fluid flow verification system of flowmeter as claimed in claim 4, it is characterized in that: described Weighing mechanism comprises title, promotes facility (12) and Hydraulic Station (8), described title is placed in water tank (5) below, described lifting facility (12) is placed in one side of the title of water tank (5) below, and described lifting facility (12) is connected on Hydraulic Station (8).
6. the fluid flow verification system of the flowmeter as described in as arbitrary in claim 2 to 5, it is characterized in that: described liquid-supplying system comprises water stop (2) and buffer tank (3), described buffer tank (3) is connected on water stop (2), on described buffer tank (3), be 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).
CN201420007926.9U 2014-01-07 2014-01-07 Liquid flow verification system for flow meter Active CN203657895U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104316146A (en) * 2014-10-24 2015-01-28 成都安迪生测量有限公司 High-precision liquid flow verification system for flowmeters
CN105277467A (en) * 2014-07-11 2016-01-27 中国石油化工股份有限公司 Apparatus for detecting flow property of raw oil, and detection method thereof
CN106124006A (en) * 2016-06-16 2016-11-16 日照海达尔加气设备有限公司 A kind of High Precision Low Temperature effusion meter detecting system and method thereof
CN107152958A (en) * 2017-06-06 2017-09-12 重庆川仪自动化股份有限公司 Mass flowmeter calibration detecting system and method based on multinomial algorithm

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105277467A (en) * 2014-07-11 2016-01-27 中国石油化工股份有限公司 Apparatus for detecting flow property of raw oil, and detection method thereof
CN105277467B (en) * 2014-07-11 2018-03-20 中国石油化工股份有限公司 Detect the device and its detection method of feedstock oil mobile performance
CN104316146A (en) * 2014-10-24 2015-01-28 成都安迪生测量有限公司 High-precision liquid flow verification system for flowmeters
CN106124006A (en) * 2016-06-16 2016-11-16 日照海达尔加气设备有限公司 A kind of High Precision Low Temperature effusion meter detecting system and method thereof
CN106124006B (en) * 2016-06-16 2019-02-19 日照海达尔加气设备有限公司 A kind of High Precision Low Temperature flowmeter detection system and its method
CN107152958A (en) * 2017-06-06 2017-09-12 重庆川仪自动化股份有限公司 Mass flowmeter calibration detecting system and method based on multinomial algorithm

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