CN209416779U - Discharge stability checking system - Google Patents
Discharge stability checking system Download PDFInfo
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- CN209416779U CN209416779U CN201821926378.4U CN201821926378U CN209416779U CN 209416779 U CN209416779 U CN 209416779U CN 201821926378 U CN201821926378 U CN 201821926378U CN 209416779 U CN209416779 U CN 209416779U
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- fluid
- flowmeter
- extraction device
- operation machine
- measurement scale
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Abstract
The utility model provides a kind of discharge stability checking system, the work and stopping of fluid extraction device pass through motor control, the feed end connecting fluid storage device of fluid extraction device, the discharge end connecting conveying pipe road of fluid extraction device, flowmeter is provided on conveyance conduit, flowmeter is used to measure the mass flow of fluid, fluid is flow in container by conveyance conduit, container is placed on measurement scale, measurement scale measures the weight of fluid in a container at regular intervals, the fluid weight data that measurement scale will measure, the liquid mass flow data measured are transmitted on operation machine by flowmeter, operation machine is according to the fluid weight data received, liquid mass flow data are handled, operation machine controls the start and stop of motor and the revolving speed of motor.The discharge stability checking system of the utility model, structure is simple, easy to use, can quickly examine the fluid extraction stability of fluid extraction device, and can verify that the measurement accuracy of flowmeter.
Description
Technical field
The utility model relates to a kind of discharge stability checking systems.
Background technique
During some production products using liquid, slurry etc., during generally being monitored using flowmeter
Fluid situations, but flowmeter is more stringent to medium requirements, when media physical characteristics deviation perfect medium physical characteristic is larger,
It may be such that the even flowmeter measurement result distortion of larger measurement error occurs in flowmeter, meanwhile, measure duct wall deposit
Accumulation also flowmeter measurement can be made to be gradually deviated from theoretical actual numerical value, when having deposition such as Coriolis flowmeter duct wall,
It is equivalent to pipeline weight to change, to influence vibration frequency, it is regularly accurate to the measurement of flowmeter thus to need
Property carries out verifying calibration.And current flux meter calibrating uses the comparatively ideal medium such as water to be verified as reference, it is difficult to really
The validity for protecting flow measurement numerical quantity in actual use, as when slurry is multiphase medium, viscosity is higher.In addition, for
Whether the stability for the withdrawn fluid that fluid extraction device such as pumps is good, is the key condition for guaranteeing production homogeneity of product,
And the withdrawn fluid stability of fluid extraction device how is examined, while also verifying the measurement accuracy of flowmeter, become current
A research topic.
Utility model content
The utility model is intended to provide a kind of discharge stability checking system, and structure is simple, easy to use, can quickly examine
The fluid extraction stability of fluid extraction device, and can verify that the measurement accuracy of flowmeter.
The utility model is realized by following scheme:
A kind of discharge stability checking system, including operation machine, measurement scale and fluid extraction device, the fluid extraction dress
The work and stopping set pass through motor control, the feed end connecting fluid storage device of the fluid extraction device, the fluid
The discharge end connecting conveying pipe road of draw-out device is provided with flowmeter on the conveyance conduit, and the flowmeter is for measuring stream
Fluid is flow in container by the mass flow of body, the conveyance conduit, and the container is placed on measurement scale, and the measurement scale is every
Every certain time measure a container in fluid weight, it is described measurement scale will measure fluid weight data, flowmeter will survey
Liquid mass flow data be transmitted on operation machine, the operation machine according to receive fluid weight data, fluid
Amount data on flows is handled, the start and stop of the operation machine control motor and the revolving speed of motor.Under normal circumstances, it flows
Body draw-out device includes pump etc..
Further, the end of the conveyance conduit is provided with pressure gauge, and the pressure gauge is used to measure the pressure of fluid,
The fluid pressure data measured is transmitted to operation machine by the pressure gauge, and the operation machine is according to the fluid pressure data received
It is handled.
Further, the measurement scale is dynamic scale, precision 0.05g.
Further, the interval time of the weight of fluid is n times of 0.2s in the measurement scale measurement container, and n is 0
Natural number, when the interval of interval times of flowmeter measurement liquid mass flow data and measurement scale measurement fluid weight
Between it is identical.
Further, according to operation machine treated front and back fluid weight data absolute difference judge fluid extraction dress
Whether the fluid extraction stability set is good；According to operation machine treated front and back fluid weight data absolute difference and stream
The comparative situation of weight data on flows judges the measurement accuracy of flowmeter；According to operation machine treated Fluid pressure number
It is judged that the measurement accuracy of pressure gauge.
The discharge stability checking system of the utility model, structure is simple, easy to use, quickly fluid extraction can be examined to fill
The fluid extraction stability set, and can verify that the measurement accuracy of flowmeter and the measurement accuracy of pressure gauge, it can be used for simultaneously
The verification of flowmeter avoids the production as caused by after the convection current flowmeter measurement data generation interference such as deposition, blocking of some exceptions different
Often.The discharge stability checking system of the utility model is applicable to the fluid that viscosity is high, viscosity span is big.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of discharge stability checking system in embodiment 1.
Specific embodiment
Embodiment simply to illustrate that the utility model a kind of implementation, not as to scope of protection of the utility model
Restricted explanation.
Embodiment 1
A kind of discharge stability checking system, as shown in Figure 1, include operation machine 1, measure scale 2 and fluid extraction device 3,
Measurement scale 2 is precision balance, and fluid extraction device 3 is pump, and the work of fluid extraction device 3 is controlled by motor 9 with stopping, being flowed
The feed end connecting fluid storage device 4 of body draw-out device 3, the discharge end connecting conveying pipe road 5 of fluid extraction device 3, conveying
Flowmeter 6 is provided on pipeline 5, flowmeter 6 is used to measure the mass flow of fluid, and the end of conveyance conduit 5 is provided with pressure
Meter 7, pressure gauge 7 are used to measure the pressure of fluid, and fluid is flow in container 8 by conveyance conduit 5, and container 8 is placed on measurement scale 2
On, measurement scale 2 measures the weight of fluid in a container 8 at regular intervals, and measurement scale 2 measures the weight of fluid in container 8
Interval time in 0.1~0.3s value, flowmeter 6 measure liquid mass flow data interval time and measurement scale 2 survey
The interval time for measuring fluid weight is identical, the fluid mass that measurement scale 2 will measure the fluid weight data measured, flowmeter 6
The fluid pressure data measured is transmitted on operation machine 1 by data on flows, pressure gauge 7, and operation machine 1 is according to the fluid weight received
Amount data, liquid mass flow data, fluid pressure data are handled, operation machine 1 control motor 9 start and stop and
The revolving speed of motor 9.
The stream of fluid extraction device 3 is judged according to the absolute difference of operation machine 1 treated front and back fluid weight data
Whether whether body extraction stability is good, specifically, by determining the absolute difference of front and back fluid weight data in setting model
It encloses in value, if determining that the fluid extraction of fluid extraction device has good stability in setting range value, otherwise determining fluid
The fluid extraction of draw-out device stablizes sexual abnormality, needs to carry out some maintenance and inspection etc. at this time；According to operation machine 1 before treated
The comparative situation of the absolute difference of fluid weight data and liquid mass flow data afterwards judges that the measurement of flowmeter 6 is accurate
Property, specifically, if the deviation of the absolute difference of front and back fluid weight data and liquid mass flow data is in setting range
In value, then judge that flowmeter measurement is accurate, otherwise judges that flowmeter measurement is abnormal, need to verify flowmeter；According to behaviour
Make machine 1 treated the measurement accuracy that fluid pressure data judges pressure gauge, specifically, if fluid pressure data is in setting model
It encloses in value, then judges that manometry is accurate, otherwise judge manometry exception, need to verify pressure gauge.
Claims (3)
1. a kind of discharge stability checking system, it is characterised in that: described including operation machine, measurement scale and fluid extraction device
The work and stopping of fluid extraction device store dress by motor control, the feed end connecting fluid of the fluid extraction device
It sets, the discharge end connecting conveying pipe road of the fluid extraction device, is provided with flowmeter, the flowmeter on the conveyance conduit
For measuring the mass flow of fluid, fluid is flow in container by the conveyance conduit, and the container is placed on measurement scale, institute
It states measurement scale and measures the weight of fluid in a container at regular intervals, fluid weight data that the measurement scale will measure,
The liquid mass flow data measured are transmitted on operation machine by flowmeter, and the operation machine is according to the fluid weight number received
It is handled according to, liquid mass flow data, the start and stop of the operation machine control motor and the revolving speed of motor.
2. discharge stability checking system as described in claim 1, it is characterised in that: the end of the conveyance conduit is provided with
Pressure gauge, the pressure gauge are used to measure the pressure of fluid, and the fluid pressure data measured is transmitted to operation by the pressure gauge
Machine, the operation machine are handled according to the fluid pressure data received.
3. discharge stability checking system as claimed in claim 2, it is characterised in that: the measurement scale is dynamic scale,
Precision is 0.05g.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821926378.4U CN209416779U (en) | 2018-11-22 | 2018-11-22 | Discharge stability checking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821926378.4U CN209416779U (en) | 2018-11-22 | 2018-11-22 | Discharge stability checking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209416779U true CN209416779U (en) | 2019-09-20 |
Family
ID=67934842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821926378.4U Active CN209416779U (en) | 2018-11-22 | 2018-11-22 | Discharge stability checking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209416779U (en) |
-
2018
- 2018-11-22 CN CN201821926378.4U patent/CN209416779U/en active Active
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