CN204330097U - Flowmeter on-line calibration device - Google Patents
Flowmeter on-line calibration device Download PDFInfo
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- CN204330097U CN204330097U CN201520050692.0U CN201520050692U CN204330097U CN 204330097 U CN204330097 U CN 204330097U CN 201520050692 U CN201520050692 U CN 201520050692U CN 204330097 U CN204330097 U CN 204330097U
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- water
- straight tube
- flowmeter
- reserve tank
- liquid reserve
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Abstract
A kind of flowmeter on-line calibration device, comprise frame, water inlet pipe and flow detection assembly, the water intake end of described water inlet pipe is connected to the water side of detected flowmeter; It is characterized in that: the liquid reserve tank described frame being provided with liquid level gauge scale; Described liquid reserve tank top is provided with snorkel, and described snorkel sidewall is provided with several bleeder vents, and the top of snorkel is provided with the top cover that area is greater than air vent tube openings area; Also drainpipe is provided with bottom described liquid reserve tank; Described flow detection assembly comprises proving flowmeter and the accumulator to its power supply; Described two ends, proving flowmeter left and right be respectively equipped with to removably connect with it and rigidity arrange enter water straight tube and water outlet straight tube, described enter water straight tube and water outlet straight tube is all horizontally disposed with; Described frame is also provided with respectively to the fixture entering water straight tube and water outlet straight tube and support; Described water outlet straight tube is connected with liquid reserve tank; The described water intake end entering water straight tube is connected with water inlet pipe water side.
Description
Technical field
The utility model relates to a kind of on-line calibration device of flow meter accuracy calibration.
Background technology
Flow metering is widely used among industrial and agricultural production, national defense construction, scientific research foreign trade and people's lives every field.In petroleum industry is produced, from the exploitation of oil, transport, refining smelting processing until trade selling, flow metering is through in overall process, and any one link all be unable to do without flow metering, otherwise cannot ensure the normal production and trade contacts of petroleum industry.In chemical industry, the inaccurate meeting of flow metering causes chemical composition distribution ratio to lack of proper care, and cannot ensure product quality, and serious also can production development security incident.In power industry is produced, critical role is occupied to the measurement of the rate-of flows such as liquid, gas, steam and adjustment.The whether accurate of flow metering not only runs have a great economic significance to guarantee generating plant under optimal parameter, and along with the development of High Temperature High Pressure large sized unit, flow measurement has become the important step of guarantee generating plant safe operation.Feedwater flow as instantaneous in heavy duty boiler interrupts or reduces, and all may cause serious dry pot or pipe explosion accident.
So flowmeter needs periodically to calibrate, whether be in certain permissible scope to check this flowmeter accuracy.Existing collimation technique requires detected flowmeter to take off from its installation site.After taking off, usually this flowmeter returned to manufacturer or deliver to other mechanisms with the Special Equipment correctly calibrated for this flowmeter and calibrate.This process dismounting amount needs greatly the time and money of at substantial, and the mode of dismounting censorship affects equipment and normally uses.
Utility model content
Technical problem to be solved in the utility model there is provided a kind of flowmeter on-line calibration device, achieves the on-the-spot on-line calibration of flow meter, rational in infrastructure, easy to operate.
In order to solve the problem, the utility model takes following technical scheme:
A kind of flowmeter on-line calibration device, comprise frame, water inlet pipe and flow detection assembly, the water intake end of described water inlet pipe is connected to the water side of detected flowmeter; It is characterized in that: the liquid reserve tank described frame being provided with liquid level gauge scale; Described liquid reserve tank top is provided with snorkel, and described snorkel sidewall is provided with several bleeder vents, and the top of snorkel is provided with the top cover that area is greater than air vent tube openings area; Also drainpipe is provided with bottom described liquid reserve tank; Described flow detection assembly comprises proving flowmeter and the accumulator to its power supply; Described two ends, proving flowmeter left and right be respectively equipped with to removably connect with it and rigidity arrange enter water straight tube and water outlet straight tube, described enter water straight tube and water outlet straight tube is all horizontally disposed with; Described frame is also provided with respectively to the fixture entering water straight tube and water outlet straight tube and support; Described water outlet straight tube is connected with liquid reserve tank; The described water intake end entering water straight tube is connected with water inlet pipe water side.
After adopting said structure, simple and reasonable, convenient in carrying, can realize online traffic alignment; The cleaning arranged conveniently to liquid reserve tank of snorkel; Arranging of bleeder vent can make the air pressure in liquid reserve tank and ambient pressure keep isobaric, prevent liquid in test process from causing extruding to the gas in liquid reserve tank, gas is discharged by bleeder vent, reduces the impact that air pressure causes detection data, improves calibration accuracy; The setting of top cover prevents outside rainwater from entering in liquid reserve tank by bleeder vent or snorkel, improves accuracy of detection; Proving flowmeter the accuracy that can ensure online traffic alignment is set, removable be discharged into water straight tube and water outlet straight tube the maintenance facilitating equipment is set, test rear at every turn and has just cleared up, error during calibration next time can have been reduced, raising calibration accuracy; Whether the arranging of liquid level gauge scale criterion flowmeter of can making comparisons by the reading on the reading of liquid level gauge scale and proving flowmeter breaks down when calibrating, and improves the accuracy of on-line calibration.
The utility model is further also: described normal flow counts electromagnetic flowmeter.
After adopting said structure, precision is high, good stability, improves the accuracy of flow on-line calibration.
The utility model is further also: described two ends, proving flowmeter left and right are connected with the bolt that is detachably connected as entering water straight tube and water outlet straight tube.
After adopting said structure, easy accessibility, is beneficial to maintenance, is convenient to proving flowmeter and the cleaning and the maintenance that enter water straight tube and water outlet straight tube, improves the precision of on-line calibration.
The utility model is further also: it is dismountable being threaded that the water side of the described water intake end and water inlet pipe that enter water straight tube is connected.
After adopting said structure, structure is simple, is convenient to dismounting, convenient to the cleaning entering water straight tube, improves the precision of on-line calibration.
The utility model is further also: described water outlet straight tube is connected with the top of liquid reserve tank by rising pipe.
Adopt after said structure, easy accessibility, be convenient to the cleaning to water outlet straight tube and water tank and maintenance, improve the precision of on-line calibration.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is left view of the present utility model;
Fig. 3 is fundamental diagram of the present utility model.
Figure mid frame 1; Liquid reserve tank 11; Drainpipe 12; Electromagnetic flowmeter 2; Accumulator 3; Liquid level gauge scale 4; Enter water straight tube 5; Water outlet straight tube 51; Fixture 52; Water inlet pipe 6; Rising pipe 61; Snorkel 7; Bleeder vent 71; Top cover 72.
Embodiment
As shown in Figure 1 and Figure 2, a kind of flowmeter on-line calibration device, comprises frame 1, water inlet pipe 6 and flow detection assembly, and the water intake end of described water inlet pipe 6 is connected to the water side of detected flowmeter, described frame 1 is provided with the liquid reserve tank 11 of liquid level gauge scale 4, in the present embodiment, one end of liquid level gauge scale 4 is arranged on the bottom of liquid reserve tank 11, the other end is arranged on the top of liquid reserve tank 11, whether criterion flowmeter of can making comparisons by the reading on the reading of liquid level gauge scale 4 and proving flowmeter like this breaks down when calibrating, and improves the accuracy of on-line calibration, described liquid reserve tank 11 top is provided with snorkel 7, the convenient like this cleaning to liquid reserve tank 11, reduces interior media before detecting and, on the impact of calibration data, improves accuracy, described snorkel 7 sidewall is provided with several bleeder vents 71, arrange like this and the air pressure in liquid reserve tank 11 and ambient pressure can be made to keep isobaric, prevent liquid in test process from causing extruding to the gas in liquid reserve tank 11, gas can be discharged by bleeder vent 71, reduce the impact that liquid reserve tank 11 internal gas pressure causes detection data, improve calibration accuracy, and liquid reserve tank 11 air scavenge can be prevented not as good as the potential safety hazard caused, the top of snorkel 7 is provided with the top cover 72 that area is greater than snorkel 7 aperture area, can prevent outside rainwater from entering in liquid reserve tank 11 by bleeder vent 71 or snorkel 7 like this, impact, thus improve accuracy of detection further to the reading of liquid level gauge scale 4, also be provided with drainpipe 12 bottom described liquid reserve tank 11, be convenient to the liquid in emptying liquid reserve tank 11, described flow detection assembly comprises proving flowmeter and the accumulator 3 to its power supply, and in the present embodiment, the electromagnetic flowmeter 2 of high, the good stability of preferred precision, can improve the accuracy of flow on-line calibration like this, described two ends, proving flowmeter left and right be respectively equipped with to removably connect with it and be horizontally disposed with and rigidity enter water straight tube 5 and water outlet straight tube 51, such setting is convenient to liquid and is quick smoothly passed through proving flowmeter, proving flowmeter is facilitated to gather accurately data, improve the accuracy of calibration, the preferred bolt that removably connects in the present embodiment connects, such easy accessibility, be beneficial to maintenance, be convenient to proving flowmeter and the cleaning and the maintenance that enter water straight tube 5 and water outlet straight tube 51, after completing primary calibration, disconnect the connection with accumulator 3, take electromagnetic flowmeter 2 and the connection entering water straight tube 5 and water outlet straight tube 51 apart, then to entering water straight tube 5 and water outlet straight tube 51 is cleared up, also to send to special mechanism carry out accuracy calibration to the electromagnetic flowmeter 2 after repeatedly calibration, the precision of on-line calibration can be improved like this, also avoid the dismounting of the flowmeter to inspection, described water outlet straight tube 51 is connected with liquid reserve tank 11, is connected, easy accessibility in the present embodiment preferably by the top of rising pipe 61 with liquid reserve tank 11, is convenient to the cleaning to water outlet straight tube 51 and water tank and maintenance, improves the precision of on-line calibration, the water intake end entering water straight tube 5 is connected with water inlet pipe 6 water side, and in the present embodiment, this connection is preferably dismountable being threaded, and is convenient to dismounting, convenient to the cleaning entering water straight tube 5, improves the precision of on-line calibration.
Fig. 3 is the fundamental diagram of the present embodiment, the data of detected flowmeter and proving flowmeter are transferred in data handling system, and data handling system carries out Treatment Analysis to data, evaluate the measuring accuracy of flow, the conclusion provided, operator calibrates according to conclusion.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and modification, these improvement of above-mentioned hypothesis and modification also should be considered as protection domain of the present utility model.
Claims (5)
1. a flowmeter on-line calibration device, comprises frame, water inlet pipe and flow detection assembly, and the water intake end of described water inlet pipe is connected to the water side of detected flowmeter; It is characterized in that: the liquid reserve tank described frame being provided with liquid level gauge scale; Described liquid reserve tank top is provided with snorkel, and described snorkel sidewall is provided with several bleeder vents, and the top of snorkel is provided with the top cover that area is greater than air vent tube openings area; Also drainpipe is provided with bottom described liquid reserve tank; Described flow detection assembly comprises proving flowmeter and the accumulator to its power supply; Described two ends, proving flowmeter left and right be respectively equipped with to removably connect with it and rigidity arrange enter water straight tube and water outlet straight tube, described enter water straight tube and water outlet straight tube is all horizontally disposed with; Described frame is also provided with respectively to the fixture entering water straight tube and water outlet straight tube and support; Described water outlet straight tube is connected with liquid reserve tank; The described water intake end entering water straight tube is connected with water inlet pipe water side.
2. flowmeter on-line calibration device according to claim 1, is characterized in that: described normal flow counts electromagnetic flowmeter.
3. flowmeter on-line calibration device according to claim 1 and 2, is characterized in that: described two ends, proving flowmeter left and right are connected with the bolt that is detachably connected as entering water straight tube and water outlet straight tube.
4. flowmeter on-line calibration device according to claim 1 and 2, is characterized in that: it is dismountable being threaded that the described water intake end entering water straight tube is connected with the water side of water inlet villous themeda.
5. flowmeter on-line calibration device according to claim 1 and 2, is characterized in that: described water outlet straight tube is connected with the top of liquid reserve tank by rising pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520050692.0U CN204330097U (en) | 2015-01-12 | 2015-01-12 | Flowmeter on-line calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520050692.0U CN204330097U (en) | 2015-01-12 | 2015-01-12 | Flowmeter on-line calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204330097U true CN204330097U (en) | 2015-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520050692.0U Expired - Fee Related CN204330097U (en) | 2015-01-12 | 2015-01-12 | Flowmeter on-line calibration device |
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| CN (1) | CN204330097U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106746480A (en) * | 2016-12-28 | 2017-05-31 | 江苏道科环境科技有限公司 | A kind of sludge dewatering conditioning system and method |
| CN107014468A (en) * | 2017-03-02 | 2017-08-04 | 浙江省计量科学研究院 | Compressed gas-driven liquid runoff calibration device and its calibration method |
| CN107063404A (en) * | 2017-04-13 | 2017-08-18 | 成都安迪生测量有限公司 | A kind of scaling method of deep cooling liquid level measuring appliance |
| CN110182952A (en) * | 2019-07-03 | 2019-08-30 | 广州博涛生物技术有限公司 | A kind of compounded carbons dosage automatic feedback and regulating device for municipal sewage plant AAO technique |
| CN114466586A (en) * | 2019-09-30 | 2022-05-10 | 精密种植有限责任公司 | System and method for testing agricultural implements |
| CN114451834A (en) * | 2022-01-18 | 2022-05-10 | 深圳市银舍创新科技有限公司 | Dirt collection detection collection box, cleaning device and detection method thereof |
-
2015
- 2015-01-12 CN CN201520050692.0U patent/CN204330097U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106746480A (en) * | 2016-12-28 | 2017-05-31 | 江苏道科环境科技有限公司 | A kind of sludge dewatering conditioning system and method |
| CN107014468A (en) * | 2017-03-02 | 2017-08-04 | 浙江省计量科学研究院 | Compressed gas-driven liquid runoff calibration device and its calibration method |
| CN107014468B (en) * | 2017-03-02 | 2019-08-13 | 浙江省计量科学研究院 | Compressed gas-driven liquid runoff calibration device and its calibration method |
| CN107063404A (en) * | 2017-04-13 | 2017-08-18 | 成都安迪生测量有限公司 | A kind of scaling method of deep cooling liquid level measuring appliance |
| CN107063404B (en) * | 2017-04-13 | 2023-06-20 | 成都安迪生测量有限公司 | Calibration method of cryogenic liquid level measuring instrument |
| CN110182952A (en) * | 2019-07-03 | 2019-08-30 | 广州博涛生物技术有限公司 | A kind of compounded carbons dosage automatic feedback and regulating device for municipal sewage plant AAO technique |
| CN114466586A (en) * | 2019-09-30 | 2022-05-10 | 精密种植有限责任公司 | System and method for testing agricultural implements |
| CN114466586B (en) * | 2019-09-30 | 2023-11-28 | 精密种植有限责任公司 | System and method for testing agricultural implement |
| US11971029B2 (en) | 2019-09-30 | 2024-04-30 | Precision Planting Llc | Test frame and methods for fluidly testing agricultural devices |
| CN114451834A (en) * | 2022-01-18 | 2022-05-10 | 深圳市银舍创新科技有限公司 | Dirt collection detection collection box, cleaning device and detection method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20210112 |
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| CF01 | Termination of patent right due to non-payment of annual fee |