CN210613509U - Vanadium electrolyte concentration calibration device and constant volume calibration system - Google Patents
Vanadium electrolyte concentration calibration device and constant volume calibration system Download PDFInfo
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- CN210613509U CN210613509U CN201921450040.0U CN201921450040U CN210613509U CN 210613509 U CN210613509 U CN 210613509U CN 201921450040 U CN201921450040 U CN 201921450040U CN 210613509 U CN210613509 U CN 210613509U
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- constant volume
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- sulfuric acid
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The utility model relates to a chemical industry equipment field particularly, relates to a vanadium electrolyte concentration calibration device and constant volume calibration system. The vanadium electrolyte concentration calibration device comprises a constant volume tank, a sulfuric acid supply device, a water supply device and a liquid level measurement device, wherein an outlet of the sulfuric acid supply device and an outlet of the water supply device are communicated with the constant volume tank, the sulfuric acid supply device and the water supply device are provided with weighing devices, and the liquid level measurement device is arranged on the constant volume tank. The constant volume calibration method can be used for quickly and accurately calibrating the constant volume of the vanadium electrolyte. The constant volume calibration system comprises the vanadium electrolyte concentration calibration device, is simple to operate and convenient to use, and can improve the accuracy of constant volume calibration operation.
Description
Technical Field
The utility model relates to a chemical industry equipment field particularly, relates to a vanadium electrolyte concentration calibration device and constant volume calibration system.
Background
The vanadium electrolyte is a key component of a large-scale energy storage vanadium redox flow battery, and in the production process of the vanadium electrolyte, constant volume calibration needs to be carried out, so that the concentration of vanadium ions and sulfate ions reaches the required concentration, the concentration of the vanadium ions has great influence on the performance of the vanadium electrolyte, and the accuracy of the constant volume calibration directly influences the performance of the vanadium electrolyte as a vanadium battery component. In the existing calibration device, the difference between the actual value and the theoretical value of the vanadium electrolyte calibration is large.
The present application is made in view of this feature.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a vanadium electrolyte concentration calibration device, it can carry out the constant volume of vanadium electrolyte fast, accurately and mark.
Another object of the utility model is to provide a constant volume calibration system, it includes above-mentioned vanadium electrolyte concentration calibration device, and its easy operation, convenient to use can promote the constant volume and mark the accuracy of operation.
The embodiment of the utility model is realized like this:
the utility model provides a vanadium electrolyte concentration calibration device, its includes constant volume jar, sulphuric acid feeding mechanism, water supply installation and level measurement device, and sulphuric acid feeding mechanism's export and water supply installation's export all communicate with the constant volume jar, and sulphuric acid feeding mechanism all is provided with the weighing machine with water supply installation, and level measurement device sets up on the constant volume jar.
The utility model discloses in the preferred embodiment, vanadium electrolyte concentration calibration device still includes agitating unit, and agitating unit sets up vertically in the constant volume jar.
The utility model discloses in the embodiment of the preferred, agitating unit includes motor, pivot and a plurality of stirring vane, and the pivot is vertical to be set up in the constant volume jar, and its upper end is worn out from the constant volume jar top of holding certainly, and the output of motor is connected with the upper end of pivot, and a plurality of stirring vane spacer bushes are located in the pivot to all with pivot fixed connection.
In the preferred embodiment of the present invention, the sulfuric acid supply device comprises a sulfuric acid supply tank, the water supply device comprises a water supply tank, and the bottom ends of the sulfuric acid supply tank and the water supply tank are both higher than the top end of the constant volume tank.
In the preferred embodiment of the present invention, the sulfuric acid supply tank and the water supply tank are respectively communicated with the top end of the constant volume tank through two U-shaped buffer bent pipes.
In a preferred embodiment of the present invention, the mounting height of the input end of the U-shaped buffer elbow is higher than the mounting height of the output end.
In the preferred embodiment of the present invention, each U-shaped buffer elbow is provided with a valve.
In the preferred embodiment of the present invention, the vanadium electrolyte concentration calibration device further comprises a sampling device, the constant volume tank comprises a tank body and a tank cover, and the sampling device is used for sampling from the tank body which opens the tank cover.
In a preferred embodiment of the present invention, the vanadium electrolyte concentration calibration apparatus further comprises an analysis device for analyzing the components of the sample taken out by the sampling device.
A constant volume calibration system comprises the vanadium electrolyte concentration calibration device.
The embodiment of the utility model provides a beneficial effect is:
the utility model provides a vanadium electrolyte concentration calibration device, it is through the connection cooperation between constant volume jar, sulphuric acid feeding mechanism, water supply installation and the liquid level measurement device to and the setting of first ware of weighing and the second ware of weighing, reached the purpose of accurate demarcation vanadium electrolyte.
The utility model also provides a constant volume calibration system, it includes above-mentioned vanadium electrolyte concentration calibration device, and its easy operation, convenient to use can promote the constant volume and mark the accuracy of operation.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a first schematic view of a vanadium electrolyte concentration calibration apparatus provided in an embodiment of the present invention;
fig. 2 is a second schematic view of a vanadium electrolyte concentration calibration apparatus provided in an embodiment of the present invention;
fig. 3 is a schematic view of a constant volume tank included in the vanadium electrolyte concentration calibration device provided by the embodiment of the present invention;
fig. 4 is a schematic view of a stirring device included in the electrolyte concentration calibration device provided in the embodiment of the present invention;
fig. 5 is a third schematic diagram of the electrolyte concentration calibration apparatus provided by the embodiment of the present invention.
Icon: 1-a vanadium electrolyte concentration calibration device; 10-sulfuric acid supply means; 101-sulfuric acid supply tank; 11-a first weigher; 20-a water supply device; 201-water supply tank; 21-a second weigher; 30-constant volume tank; 31-can lid; 311-sulfuric acid supply port; 312-vanadium electrolyte inlet; 313-water supply port; 32-a tank body; 321-a liquid outlet; 40-a liquid level measuring device; 50-a sampling device; 60-an analysis device; 70-a stirring device; 71-a motor; 72-a rotating shaft; 73-stirring blades; 731-first stirring blade; 732-a second stirring blade; 80-a first U-shaped buffer bend; 801-a first valve; 81-a second U-shaped buffer bend; 811-a second valve; 90-vanadium electrolyte storage tanks; 901-booster 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 will be clearly and completely described below with reference to the accompanying 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. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Referring to fig. 1, an embodiment of the present invention provides a vanadium electrolyte concentration calibration apparatus 1, which includes a constant volume tank 30, a sulfuric acid supply device 10, a water supply device 20, and a liquid level measurement device 40.
Wherein, the outlet of the sulfuric acid supply device 10 is communicated with the constant volume tank 30, and the sulfuric acid supply device 10 is provided with a first weigher 11, the sulfuric acid supply device 10 is used for providing sulfuric acid required to be added for calibration, and the first weigher 11 arranged thereon is used for weighing the mass of the sulfuric acid, so that the calibration accuracy and operability are improved.
The outlet of the water supply device 20 is also communicated with the constant volume tank 30, a second weigher 21 is arranged on the constant volume tank, the water supply device 20 is used for providing water required by calibration, and the second weigher 21 is used for controlling the adding amount of the water, so that the calibration accuracy and operability are improved.
The liquid level measuring device 40 is disposed on the constant volume tank 30 and is used for measuring the volume of the vanadium electrolyte added into the constant volume tank 30.
Referring to fig. 2, further, the vanadium electrolyte concentration calibration apparatus 1 further includes a sampling device 50, and the sampling device 50 is used for sampling from the constant volume tank 30 and then performing the following component analysis.
Further, the vanadium electrolyte concentration calibration device 1 further includes an analysis device 60, wherein the analysis device 60 is configured to perform component analysis on a sample taken out from the constant volume tank 30 by the sampling device 50, analyze the concentrations of vanadium ions and sulfate ions, compare the concentrations with a target value, calculate and determine the quality of sulfuric acid and water to be added for constant volume, and then supply the required sulfuric acid and water into the constant volume tank 30 through the sulfuric acid supply device 10 and the water supply device 20.
Referring to fig. 3, further, the constant volume tank 30 includes a tank cover 31 and a tank body 32, the tank cover 31 is provided with a sulfuric acid supply port 311, a vanadium electrolyte adding port 312 and a water supply port 313, the vanadium electrolyte adding port 312 is used for adding vanadium electrolyte to be calibrated into the tank body 32 of the constant volume tank 30, and the sulfuric acid supply port 311 and the water supply port 313 are respectively used for adding sulfuric acid and water to be calibrated.
The sampling device 50 is used to sample the inside of the can body 32 from which the can lid 31 is opened.
Further, a liquid outlet 321 is arranged at the bottom end of the side wall of the tank body 32, and the calibrated vanadium electrolyte can be discharged out of the constant volume tank 30 through the liquid outlet 321.
Further, the bottom end of the tank 32 is an inclined plane, the mounting height of the end close to the liquid outlet 321 is lower than the end far away from the liquid outlet 321, and the calibrated vanadium electrolyte can gradually flow to the liquid outlet 321 along the inclined plane at the bottom end of the tank 32, so that the vanadium electrolyte can conveniently and thoroughly flow out of the constant volume tank 30.
Further, a liquid level measuring device 40 is disposed on the sidewall of the can 32 for measuring the volume of the vanadium electrolyte added into the can 32. It should be noted that the liquid level measuring device 40 in this embodiment is a liquid level meter, and in other embodiments, any device for measuring a liquid level can be selected from the prior art, and only a liquid level or a liquid volume needs to be measured.
Further, the vanadium electrolyte concentration calibration device 1 further comprises a stirring device 70, the stirring device 70 is vertically arranged in the tank body 32, the upper end of the stirring device extends out of the tank cover 31, and the stirring device 70 is used for fully mixing the sulfuric acid, the water and the vanadium electrolyte added into the constant volume tank 30.
Referring to fig. 4, further, the stirring device 70 includes a motor 71, a rotating shaft 72 and a plurality of stirring blades 73, two of which are, for example, a first stirring blade 731 and a second stirring blade 732, in this embodiment, the rotating shaft 72 is vertically disposed in the tank 32, an upper end of the rotating shaft 72 extends out from the tank cover 31, an extended end of the rotating shaft is connected to an output end of the motor 71, and the first stirring blade 731 and the second stirring blade 732 are disposed on the rotating shaft 72 in a spaced manner and are both fixedly connected to the rotating shaft 72. The motor 71 is used for providing a rotating force for the rotating shaft 72 to enable the rotating shaft to rotate, and then drives the first stirring blade 731 and the second stirring blade 732 to rotate, the rotating first stirring blade 731 and the rotating second stirring blade 732 rotate to stir the liquid in the tank 32, so that the liquid is fully mixed, and the first stirring blade 731 and the second stirring blade 732 are arranged on the rotating shaft 72 in a sleeved mode at intervals, so that the liquid at different heights in the tank 32 can be stirred, and the mixing degree of the vanadium electrolyte, sulfuric acid and water is further improved.
Referring to fig. 1 and 5, further, the sulfuric acid supply device 10 includes a sulfuric acid supply tank 101, the first weigher 11 is disposed at a bottom end of the sulfuric acid supply tank 101, and the sulfuric acid supply tank 101 is used for containing and supplying sulfuric acid; the water supply device 20 includes a water supply tank 201, and a second scale 21 is provided at a bottom end of the water supply tank 201; the outlets of the sulfuric acid supply tank 101 and the water supply tank 201 are both communicated with the constant volume tank 30 through a U-shaped buffer bent pipe.
Further, the bottom ends of the sulfuric acid supply tank 101 and the water supply tank 201 are both higher than the top end of the constant volume tank 30, so that the liquid in the sulfuric acid supply tank 101 and the liquid in the water supply tank 201 can flow into the constant volume tank 30 conveniently.
Specifically, the outlet of the sulfuric acid supply tank 101 is communicated with the sulfuric acid supply port 311 arranged on the tank cover 31 through the first U-shaped buffer elbow 80, the height of the first U-shaped buffer elbow 80 arranged at the end close to the sulfuric acid supply tank 101 is higher than the height of the first U-shaped buffer elbow 80 arranged at the end far from the sulfuric acid supply tank 101, so that the input end and the output end of the first U-shaped buffer elbow 80 have a height difference, before the calibration is performed, the sulfuric acid is stored in the first U-shaped buffer elbow 80 in advance, when the sulfuric acid in the sulfuric acid supply tank 101 flows into the first U-shaped buffer elbow 80, the flowing sulfuric acid pushes the stored sulfuric acid into the constant volume tank 30, and the stored sulfuric acid, especially the sulfuric acid stored in the U-shaped part, can buffer the newly added sulfuric acid on one hand, prevent the sulfuric acid from splashing caused by the excessively fast flow rate, on the other hand, due to the flowability of the sulfuric acid, the mass of the sulfuric acid added into the constant volume tank 30 is reduced, and the first U-shaped buffer bent pipe 80 is arranged, the sulfuric acid stored in the first U-shaped buffer bent pipe 80 is filled in advance, and the newly added sulfuric acid only needs to push the original sulfuric acid to flow out, so that the problem of the mass reduction caused by the wall built-up of the sulfuric acid is solved; in addition, the height difference between the input end and the output end of the first U-shaped buffer bent pipe 80 can further provide power for the flow of the sulfuric acid in the first U-shaped buffer bent pipe 80, so that the newly added sulfuric acid can smoothly push the stored sulfuric acid with the same volume into the constant volume tank 30.
Specifically, the outlet of the water supply tank 201 is communicated with the water supply port 313 arranged on the tank cover 31 through a second U-shaped buffer bent pipe 81, the height of the second U-shaped buffer bent pipe 81 arranged at the end close to the water supply tank 201 is higher than the height of the second U-shaped buffer bent pipe 81 arranged at the end far from the water supply tank 201, so that the input end and the output end of the second U-shaped buffer bent pipe 81 have a height difference, before calibration is carried out, water is stored in the second U-shaped buffer bent pipe 81 in advance, and when the water in the water supply tank 201 flows into the second U-shaped buffer bent pipe 81, the flowing water pushes the stored water into the constant volume tank 30; the accuracy of the water adding amount is further improved by the arrangement of the second U-shaped buffer bent pipe 81; in addition, the height difference between the input end and the output end of the second U-shaped buffer bent pipe 81 can further provide power for the flow of water in the second U-shaped buffer bent pipe 81, so that the newly added water can smoothly push the stored water with the same volume into the constant volume tank 30.
It should be noted that, because the density of the vanadium electrolyte and the density of the sulfuric acid and the water have a large difference, if the sulfuric acid or the water is directly injected into the vanadium electrolyte, the actual addition amount of the sulfuric acid and the water is not accurate due to the large density difference, and the sulfuric acid and the water are respectively added into the constant volume tank 30 through the first U-shaped buffer bent pipe 80 and the second U-shaped buffer bent pipe 81, so that the accuracy of the amount of the sulfuric acid and the water added into the constant volume tank 30 can be effectively increased through the U-shaped part of the pre-stored liquid, and the calibration accuracy is further improved.
Further, the first U-shaped buffer elbow 80 and the second U-shaped buffer elbow 81 are respectively provided with a first valve 801 and a second valve 811, the first valve 801 being used for controlling the opening and closing of the sulfuric acid supply tank 101; the second valve 811 is used to control the opening and closing of the water supply tank 201.
Referring to fig. 5, further, the vanadium electrolyte concentration calibration apparatus 1 further includes a vanadium electrolyte storage tank 90, and an outlet of the vanadium electrolyte storage tank 90 is communicated with a vanadium electrolyte inlet 312 disposed on the can cover 31 of the constant volume tank 30. The vanadium electrolyte storage tank 90 is used for storing the calibrated vanadium electrolyte and adding the vanadium electrolyte into the constant volume tank 30.
Further, a booster pump 901 is arranged between the vanadium electrolyte storage tank 90 and the vanadium electrolyte inlet 312, an input end of the booster pump 901 is communicated with an outlet of the vanadium electrolyte storage tank 90, an output end of the booster pump 901 is communicated with the vanadium electrolyte inlet 312, and the booster pump 901 can enable the vanadium electrolyte stored in the vanadium electrolyte storage tank 90 to be conveniently added into the constant volume tank 30 at a higher speed.
The embodiment of the utility model provides a constant volume calibration system is still provided, and it includes above-mentioned vanadium electrolyte concentration calibration device 1, and its easy operation, convenient to use can promote the constant volume and mark the accuracy of operation.
To sum up, the embodiment of the utility model provides a vanadium electrolyte concentration calibration device, it is through constant volume jar, sulphuric acid feeding mechanism, the cooperation of being connected between water supply installation and the liquid level measurement device, and the setting of first ware of weighing and the second ware of weighing, the purpose of accurate demarcation vanadium electrolyte has been reached, through setting up first U-shaped buffering return bend and second U-shaped buffering return bend, the demarcation accuracy of vanadium electrolyte has further been promoted, reduce because of density, the measurement error that pressure differential caused, make it be close to the theoretical value by a wide margin. The embodiment of the utility model provides a constant volume calibration system is still provided, and it includes above-mentioned vanadium electrolyte concentration calibration device, and its easy operation, convenient to use can promote the constant volume and mark the accuracy of operation.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The vanadium electrolyte concentration calibration device is characterized by comprising a constant volume tank, a sulfuric acid supply device, a water supply device and a liquid level measurement device, wherein an outlet of the sulfuric acid supply device and an outlet of the water supply device are communicated with the constant volume tank, the sulfuric acid supply device and the water supply device are provided with weighing devices, and the liquid level measurement device is arranged on the constant volume tank.
2. The vanadium electrolyte concentration calibration device according to claim 1, further comprising a stirring device, wherein the stirring device is vertically arranged in the constant volume tank.
3. The vanadium electrolyte concentration calibration device according to claim 2, wherein the stirring device comprises a motor, a rotating shaft and a plurality of stirring blades, the rotating shaft is vertically arranged in the constant volume tank, the upper end of the rotating shaft penetrates out of the top end of the constant volume tank, the output end of the motor is connected with the upper end of the rotating shaft, and the plurality of stirring blades are arranged on the rotating shaft in a spaced manner and are all fixedly connected with the rotating shaft.
4. The vanadium electrolyte concentration calibration device according to claim 1, wherein the sulfuric acid supply device comprises a sulfuric acid supply tank, the water supply device comprises a water supply tank, and the sulfuric acid supply tank and the bottom end of the water supply tank are both higher than the top end of the constant volume tank.
5. The vanadium electrolyte concentration calibration device according to claim 4, wherein the sulfuric acid supply tank and the water supply tank are respectively communicated with the top end of the constant volume tank through two U-shaped buffer bent pipes.
6. The vanadium electrolyte concentration calibration device according to claim 5, wherein the installation height of the input end of the U-shaped buffer elbow is higher than that of the output end.
7. The vanadium electrolyte concentration calibration device according to claim 5, wherein each U-shaped buffer bent pipe is provided with a valve.
8. The vanadium electrolyte concentration calibration device according to claim 1, further comprising a sampling device, wherein the constant volume tank comprises a tank body and a tank cover, and the sampling device is used for sampling from the tank body which opens the tank cover.
9. The vanadium electrolyte concentration calibration device according to claim 8, further comprising an analysis device for analyzing the components of the sample taken by the sampling device.
10. A constant volume calibration system, characterized in that it comprises the vanadium electrolyte concentration calibration device of any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921450040.0U CN210613509U (en) | 2019-09-02 | 2019-09-02 | Vanadium electrolyte concentration calibration device and constant volume calibration system |
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| CN201921450040.0U CN210613509U (en) | 2019-09-02 | 2019-09-02 | Vanadium electrolyte concentration calibration device and constant volume calibration system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110404446A (en) * | 2019-09-02 | 2019-11-05 | 四川星明能源环保科技有限公司 | A kind of V electrolyte concentration calibration device and scaling method |
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2019
- 2019-09-02 CN CN201921450040.0U patent/CN210613509U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110404446A (en) * | 2019-09-02 | 2019-11-05 | 四川星明能源环保科技有限公司 | A kind of V electrolyte concentration calibration device and scaling method |
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