CN214149522U - Sealed weighing calibration system - Google Patents
Sealed weighing calibration system Download PDFInfo
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- CN214149522U CN214149522U CN202120441234.5U CN202120441234U CN214149522U CN 214149522 U CN214149522 U CN 214149522U CN 202120441234 U CN202120441234 U CN 202120441234U CN 214149522 U CN214149522 U CN 214149522U
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Abstract
The utility model discloses a sealed weighing calibration system, which comprises a calibration device, a weighing device, a protective gas conveying branch and a medium recovery branch; the first end of the calibration device is communicated with the weighing device, the second end of the calibration device is communicated with the first end of the medium recovery branch, the second end of the medium recovery branch is communicated with the weighing device, and the shielding gas conveying branch is communicated with the weighing device; the weighing device can move and lift, so that the applicability is greatly improved; the weighing device can also realize the sufficient isolation and protection of the flowing medium; the calibration device can realize the adjustment of flowing media with different temperatures, can expand the calibration working condition of the flowmeter and provide more accurate data; the measuring units are arranged at different positions of the weighing device and the calibration device, so that the measuring working condition can be ensured to be stable, more measuring data can be acquired, and scientific basis is provided for subsequent performance analysis; the weighing device can record weight data changing along with time in real time, and provides more accurate data for weighing calibration.
Description
Technical Field
The utility model belongs to the flowmeter field of maring, in particular to sealed calibration system that weighs.
Background
Due to the fluctuation and intermittency of the output of wind power generation and photovoltaic power generation, the wind power generation and photovoltaic power generation cannot be incorporated into a power grid in a large scale, the output of the wind power generation and photovoltaic power generation is smoothed by using an energy storage technology, the output time interval is adjusted, and the processing is compensated when no wind exists or no light exists, so that the wind power generation and photovoltaic power generation combined energy storage device is a key technical means for effectively utilizing new energy. In order to solve the problem, the development of an energy storage technology is an important content of the development of an electric power technology in a period of time in the future, the energy storage technology is also a key technology of electric power production in a new period, and the flow battery energy storage technology formally is a large-scale electric power energy storage technology with development prospect.
The positive and negative electrolytes of the flow battery are respectively filled in two storage tanks, and the electrolytes are circulated through the battery by a liquid feeding pump. Inside the pile, the electrolyte of positive and negative poles is separated by ion exchange membrane (or ion diaphragm), and the battery is connected with load and power source. The flow battery technology is a novel large-scale efficient electrochemical energy storage (electricity) technology, and mutual conversion and energy storage of electric energy and chemical energy are realized through valence state change of reactive active substances. In the flow battery, the active substance is stored in the electrolyte, has fluidity, can realize the spatial separation of an electrochemical reaction site (electrode) and the energy storage active substance, has relatively independent design of battery power and capacity, and is suitable for the large-scale storage and energy storage requirements.
Electrolyte parameters, stack flow channel design, matching of flow cell system components, and cell operating parameters such as temperature, pressure, etc., all can have a significant impact on the performance and efficiency of the flow cell. Therefore, in the process of researching and developing the flow battery, the performance test is carried out on the flow battery system and key components by means of a reasonable test method, high-precision data of the correlation between various influencing factors and the performance of the flow battery can be obtained, a powerful basis is provided for relevant research and design, the research and development period is effectively shortened, and the research and development cost is reduced.
In the process of measuring by the flow meter for the flow battery at the present stage, because different flow battery media have different temperatures and are chemically unstable, no convenient and accurate testing tool exists.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a sealed calibration system that weighs is applicable to different temperature operating modes and flows the special operating mode condition that medium has chemical instability and weighs down the demarcation, suits to popularize and apply on a large scale in experimental research or engineering field such as energy storage technology, chemistry chemical industry, medicine.
A sealed weighing calibration system comprises a calibration device, a weighing device, a protective gas conveying branch and a medium recovery branch;
the first end of the calibration device is communicated with the weighing device, the second end of the calibration device is communicated with the first end of the medium recovery branch, the second end of the medium recovery branch is communicated with the weighing device, and the shielding gas conveying branch is communicated with the weighing device.
Further, the calibration device comprises a liquid storage tank, a medium conveying branch, a calibration object and a medium discharge branch;
the liquid storage tank is communicated with the first end of the medium conveying branch and the first end of the medium recovery branch, the second end of the medium conveying branch is communicated with the first end of the calibration object, the second end of the calibration object is communicated with the first end of the medium discharge branch, and the second end of the medium discharge branch is communicated with the weighing device.
Further, the medium conveying branch comprises a first pipeline, a liquid storage tank outlet measuring unit, a liquid storage tank outlet valve, a power pump, a calibration inlet measuring unit and a calibration inlet valve;
the first end of the first pipeline is connected with the liquid storage tank, the second end of the first pipeline is connected with the first end of the calibration object, and the liquid storage tank outlet measuring unit, the liquid storage tank outlet valve, the power pump, the calibration inlet measuring unit and the calibration inlet valve are connected in series through the first pipeline to form the medium conveying branch.
Further, the medium discharge branch comprises a second pipeline, a calibration outlet valve, a calibration outlet measuring unit and a liquid inlet valve;
the first end of the second pipeline is connected with the second end of the calibration object, the second end of the second pipeline is connected with the weighing device, and the calibration outlet valve, the calibration outlet measuring unit and the liquid inlet valve are sequentially connected in series through the second pipeline to form a medium discharge branch.
Furthermore, the weighing device comprises a weighing unit and a sealing tank, and the sealing tank is fixed on the weighing unit.
Further, a pressure gauge, an exhaust valve, a pressure regulator and a liquid level meter are arranged on the tank body of the sealing tank;
the tank body is communicated with the first end of the calibration device, the second end of the medium recovery branch and the protective gas conveying branch.
Further, the protective gas delivery branch comprises a gas source, a third pipeline and a gas source valve;
the first end of the third pipeline is connected with the air source, the second end of the third pipeline is connected with the weighing device, and the third pipeline is provided with an air source valve.
Further, the medium recovery branch comprises a fourth pipeline, a liquid storage tank inlet valve, a waste liquid valve, a recovery barrel and a liquid discharge valve;
the first end of the fourth pipeline is communicated with the calibration device, the second end of the fourth pipeline is communicated with the weighing device, the inlet valve and the drain valve of the liquid storage tank are sequentially connected in series through the fourth pipeline, a recovery barrel is connected between the inlet valve and the drain valve of the liquid storage tank in a bypassing manner, and a waste liquid valve is arranged at the upper stream of the recovery barrel.
Further, the medium recycling branch further comprises a liquid discharge pump, and the liquid discharge pump is arranged between the waste liquid valve and the liquid discharge valve.
The utility model has the advantages that: the weighing device can move and lift, so that the applicability is greatly improved; the weighing device can also realize the sufficient isolation and protection of the flowing medium; the calibration device can realize the adjustment of flowing media with different temperatures, can expand the calibration working condition of the flowmeter and provide more accurate data; the measuring units are arranged at different positions of the weighing device and the calibration device, so that the measuring working condition can be ensured to be stable, more measuring data can be acquired, and scientific basis is provided for subsequent performance analysis; the weighing device can record weight data changing along with time in real time, and provides more accurate data for weighing calibration.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a first embodiment of a sealed weighing calibration system according to the present invention;
fig. 2 is a schematic view illustrating an installation of a weighing device and a shielding gas delivery branch according to a first embodiment of the sealed weighing calibration system of the present invention;
fig. 3 is a schematic installation diagram of a calibration device according to a first embodiment of the sealed weighing calibration system of the present invention;
fig. 4 is a schematic structural diagram of a second embodiment of the sealed weighing calibration system of the present invention.
In the figure: 1-weighing unit, 2-sealing tank, 3-liquid storage tank, 4-medium conveying branch, 5-calibration object, 6-medium discharging branch, 7-protective gas conveying branch, 8-medium recovering branch, 21-tank, 22-pressure gauge, 23-exhaust valve, 24-pressure regulator, 25-liquid level meter, 41-first pipeline, 42-liquid storage tank outlet measuring unit, 43-liquid storage tank outlet valve, 44-power pump, 45-calibration inlet measuring unit, 46-calibration inlet valve, 61-second pipeline, 62-calibration outlet valve, 63-calibration outlet measuring unit, 64-liquid inlet valve, 71-gas source, 72-third pipeline, 73-gas source valve, 81-fourth pipeline, 82-a liquid storage tank inlet valve, 83-a waste liquid valve, 84-a recovery barrel, 85-a liquid discharge valve and 86-a liquid discharge pump.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The first embodiment:
referring to fig. 1, fig. 1 is a schematic structural diagram of a first embodiment of a sealed weighing calibration system according to the present invention, which includes a calibration device, a weighing device, a shielding gas delivery branch 7 and a medium recovery branch 8.
The first end of the calibration device is communicated with the weighing device, the second end of the calibration device is communicated with the first end of the medium recovery branch 8, and the second end of the medium recovery branch 8 is communicated with the weighing device; the protective gas conveying branch 7 is communicated with a weighing device.
Referring to fig. 3, fig. 3 is a schematic view illustrating an installation of a calibration device according to a first embodiment of the sealed weighing calibration system of the present invention, wherein the calibration device includes a liquid storage tank 3, a medium delivering branch 4, a calibration object 5 and a medium discharging branch 6. The liquid storage tank 3 is communicated with the first end of the medium conveying branch 4 and the first end of the medium recovery branch 8. The second end of the medium conveying branch 4 is communicated with the first end of the calibration object 5, the second end of the calibration object 5 is communicated with the first end of the medium discharge branch 6, and the second end of the medium discharge branch 6 is communicated with the weighing device.
The calibration object 5 is a flowmeter needing weighing calibration.
The media delivery branch 4 comprises a first conduit 41, a reservoir outlet measurement unit 42, a reservoir outlet valve 43, a power pump 44, a calibrated inlet measurement unit 45 and a calibrated inlet valve 46. The first end of the first pipeline 41 is connected with the liquid storage tank 3, and the second end of the first pipeline 41 is connected with the first end of the calibration object 5. The liquid storage tank outlet measuring unit 42, the liquid storage tank outlet valve 43, the power pump 44, the calibration inlet measuring unit 45 and the calibration inlet valve 46 are connected in series through the first pipeline 41 to form the medium conveying branch 4.
The liquid storage tank 3 has the heating and temperature control functions, can realize the adjustment of flowing media with different temperatures, can expand the calibration working condition of the flowmeter and provide more accurate data.
The medium outlet branch 6 comprises a second conduit 61, a calibration outlet valve 62, a calibration outlet measuring unit 63 and a liquid inlet valve 64. The first end of the second pipe 61 is connected with the second end of the calibration object 5, and the second end of the second pipe 61 is connected with the weighing device. The calibration outlet valve 62, the calibration outlet measuring unit 63 and the liquid inlet valve 64 are connected in series through the second pipeline 61 to form the medium discharge branch 6.
Referring to fig. 2, fig. 2 is a schematic view illustrating an installation of a weighing device and a shielding gas delivery branch according to a first embodiment of the sealed weighing calibration system of the present invention, in which the weighing device includes a weighing unit 1 and a sealing tank 2. The sealed tank 2 is fixed on the weighing unit 1, and the weighing unit 1 can be lifted and moved, and is suitable for various occasions.
The tank body 21 of the sealed tank 2 is provided with a pressure gauge 22, an exhaust valve 23, a pressure regulator 24 and a liquid level meter 25. The tank body 21 is communicated with a second pipeline 61 at the first end of the calibration device, the second end of the medium recovery branch 8 and the protective gas conveying branch 7. The sealed tank 2 can realize the sufficient isolation and protection of the flowing medium.
The shielding gas delivery branch 7 comprises a gas source 71, a third pipeline 72 and a gas source valve 73. The first end of the third pipeline 72 is connected with the air source 71, the second end of the third pipeline 72 is connected with the tank body 21 of the weighing device, and the third pipeline 72 is provided with an air source valve 73.
As shown in fig. 3, the medium recovery branch line 8 includes a fourth pipe 81, a tank inlet valve 82, a waste liquid valve 83, a recovery tank 84, and a drain valve 85. The first end of the fourth pipeline 81 is communicated with the liquid storage tank 3 of the calibration device, and the second end of the fourth pipeline 81 is communicated with the seal tank 2 of the weighing device. An inlet valve 82 and a drain valve 85 of the liquid storage tank are sequentially connected in series through a fourth pipeline 81, a recovery barrel 84 is connected between the inlet valve 82 and the drain valve 85 of the liquid storage tank, and a waste liquid valve 83 is arranged at the upstream of the recovery barrel 84.
The measuring units are arranged at different positions of the calibration device, so that the stability of the measuring working condition can be ensured, more measuring data can be acquired, and scientific basis is provided for subsequent performance analysis. The weighing device can dynamically record the weight change data along with time in real time, and provides more accurate calibration data for weighing calibration.
All valves in the system can be disassembled flexibly, the system functions can be replaced and combined conveniently and flexibly, and the system can be used in different application scenes.
Weighing and calibrating: the flowing medium is heated to a specified temperature in the liquid storage tank 3 with heating, the corresponding parameters such as temperature, pressure and the like are measured through the liquid storage tank outlet measuring unit 42 on the first pipeline 41, the flowing medium is pumped out at a certain flow rate through the liquid storage tank outlet valve 43 by the power pump 44, the flowing medium enters the calibration object 5 through the calibration inlet measuring unit 45 and the calibration inlet valve 46, the flowing medium then enters the seal tank 2 through the calibration outlet valve 62 and the calibration outlet measuring unit 63 on the second pipeline 61, the seal tank 2 is fixed on the weighing unit 1 which can move up and down, the weighing unit 1 records the weight change data along with time in real time, once the indication of the liquid level meter 25 exceeds a set threshold value, the liquid storage tank outlet valve 43, the calibration inlet valve 46 and the calibration outlet valve 62 are automatically closed, and the seal tank 2 is prevented from overflowing or overpressure. The sealed tank 2 selects corresponding protective gas according to the properties of the flowing medium to be filled in the gas source 71, and before calibration, the protective gas is filled in the sealed tank 2 through the gas source valve 73 and the pressure gauge 22 and can be discharged through the vent valve 23. During calibration, the pressure fluctuation of the sealed tank 2 is dynamically adjusted by the pressure regulator 24 to maintain a certain pressure value in the sealed tank 2.
When the fluid medium in the seal tank 2 needs to be discharged or discharged after calibration is finished, the liquid inlet valve 64 can be closed, the liquid discharge valve 85 and the gas source valve 73 can be opened, and the fluid medium can be discharged by using the pressure of the gas source 71. And finally discharged into a recycling bin 84 through a waste liquid valve 83, and can also be returned into the liquid storage tank 3 through a liquid storage tank inlet valve 82.
Second embodiment:
preferably, this embodiment is improved on the first embodiment, please refer to fig. 4, fig. 4 is a schematic structural diagram of a second embodiment of the sealed weighing calibration system of the present invention, which includes a calibration device, a weighing device, a shielding gas delivery branch 7 and a medium recovery branch 8.
The same points as the first embodiment are not described again, and the difference between this embodiment and the first embodiment is: the medium recovery branch 8 also includes a drain pump 86. The drain pump 86 is provided between the waste liquid valve 83 and the drain valve 85.
In this embodiment, when the fluid medium in the seal tank 2 needs to be discharged back or out after the system calibration is finished, the liquid inlet valve 64 may be closed, the liquid outlet valve 85 and the gas source valve 73 may be opened, and the fluid medium may be discharged out by using the liquid outlet pump 86.
Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (9)
1. A sealed weighing calibration system is characterized by comprising a calibration device, a weighing device, a protective gas conveying branch and a medium recovery branch;
the first end of the calibration device is communicated with the weighing device, the second end of the calibration device is communicated with the first end of the medium recovery branch, the second end of the medium recovery branch is communicated with the weighing device, and the shielding gas conveying branch is communicated with the weighing device.
2. The sealed weight calibration system according to claim 1, wherein the calibration device comprises a liquid reservoir, a media delivery branch, a calibration object and a media discharge branch;
the liquid storage tank is communicated with the first end of the medium conveying branch and the first end of the medium recovery branch, the second end of the medium conveying branch is communicated with the first end of the calibration object, the second end of the calibration object is communicated with the first end of the medium discharge branch, and the second end of the medium discharge branch is communicated with the weighing device.
3. The sealed weight calibration system according to claim 2, wherein the media delivery branch comprises a first conduit, a reservoir outlet measurement unit, a reservoir outlet valve, a power pump, a calibration inlet measurement unit and a calibration inlet valve;
the first end of the first pipeline is connected with the liquid storage tank, the second end of the first pipeline is connected with the first end of the calibration object, and the liquid storage tank outlet measuring unit, the liquid storage tank outlet valve, the power pump, the calibration inlet measuring unit and the calibration inlet valve are sequentially connected in series through the first pipeline to form the medium conveying branch.
4. The sealed weight calibration system according to claim 2, wherein the medium outlet branch comprises a second conduit, a calibration outlet valve, a calibration outlet measurement unit and a liquid inlet valve;
the first end of the second pipeline is connected with the second end of the calibration object, the second end of the second pipeline is connected with the weighing device, and the calibration outlet valve, the calibration outlet measuring unit and the liquid inlet valve are sequentially connected in series through the second pipeline to form the medium discharge branch.
5. The sealed weight calibration system of claim 1, wherein the weighing device comprises a weighing cell, a sealed canister secured to the weighing cell.
6. The sealed weighing calibration system according to claim 5, wherein a pressure gauge, an exhaust valve, a pressure regulator and a liquid level meter are arranged on the tank body of the sealed tank;
the tank body is communicated with the first end of the calibration device, the second end of the medium recovery branch and the protective gas conveying branch.
7. The sealed weighing calibration system of claim 1, wherein the shielding gas delivery branch comprises a gas source, a third pipeline, a gas source valve;
the first end of the third pipeline is connected with the air source, the second end of the third pipeline is connected with the weighing device, and the third pipeline is provided with the air source valve.
8. The sealed weight calibration system of claim 1, wherein the media recovery branch comprises a fourth conduit, a reservoir inlet valve, a waste valve, a recovery tank, and a drain valve;
the first end of the fourth pipeline is communicated with the calibration device, the second end of the fourth pipeline is communicated with the weighing device, the liquid storage tank inlet valve and the liquid discharge valve are sequentially connected in series through the fourth pipeline, the recovery barrel is connected between the liquid storage tank inlet valve and the liquid discharge valve in a bypassing mode, and the waste liquid valve is arranged on the upper portion of the recovery barrel.
9. The sealed weight calibration system of claim 8, wherein the media recovery branch further comprises a drain pump disposed between the waste valve and the drain valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120441234.5U CN214149522U (en) | 2021-03-01 | 2021-03-01 | Sealed weighing calibration system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120441234.5U CN214149522U (en) | 2021-03-01 | 2021-03-01 | Sealed weighing calibration system |
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| CN214149522U true CN214149522U (en) | 2021-09-07 |
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| CN202120441234.5U Active CN214149522U (en) | 2021-03-01 | 2021-03-01 | Sealed weighing calibration system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113029303A (en) * | 2021-03-01 | 2021-06-25 | 北京和瑞储能科技有限公司 | Sealed weighing calibration system |
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- 2021-03-01 CN CN202120441234.5U patent/CN214149522U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113029303A (en) * | 2021-03-01 | 2021-06-25 | 北京和瑞储能科技有限公司 | Sealed weighing calibration system |
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