Constant temperature control equipment for preparing all-vanadium redox flow battery electrolyte

Abstract

The utility model discloses constant temperature control equipment for preparing all-vanadium redox flow battery electrolyte, which acquires the temperature of all-vanadium redox flow battery mixed electrolyte through a temperature sensor, and adjusts the heating heat of two groups of heating assemblies according to the acquired temperature data. The temperature in the electrolyte mixing process is kept between 10 DEG C and 40 DEG C, optimally, the first annular protection plate, the two sets of second annular protection plates and the two sets of cover plates form a protection shell, the temperature sensor is prevented from being damaged due to corrosion of the electrolyte of the all-vanadium redox flow battery, and the service life of the temperature sensor is prolonged. Therefore, the temperature control is more accurate during electrolyte preparation, the negative influence of overhigh or overlow temperature on the electrolyte performance and quality is reduced, the reaction of the electrolyte is ensured to be carried out in a proper temperature range, the risk of safety accidents such as electrolyte leakage and electrolyte precipitation blockage caused by abnormal temperature is effectively reduced, and the service life of the electrolyte is prolonged. And the stability and the safety of the all-vanadium redox flow battery system are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to battery preparation technical field relates to a constant temperature control equipment, specifically is a constant temperature control equipment of all vanadium liquid flow battery electrolyte preparation. BACKGROUND

[0002] The current energy storage system contains lithium battery energy storage, lead-acid energy storage, sodium-sulfur battery energy storage and all vanadium liquid flow battery energy storage etc. Among them, all vanadium liquid flow battery energy storage has incomparable safety, super-long service life, higher energy conversion efficiency and other advantages, and thus becomes the preferred object of energy storage system. All vanadium liquid flow battery is composed of electric pile, pipeline, pump, electrolyte and other parts. The electrolyte is circulated in the electric pile by the pump to realize charging and discharging, and the electric energy is stored in the electrolyte. Therefore, the electrolyte plays an important role in the all vanadium liquid flow battery system, and the preparation of the electrolyte directly affects the cost and performance of the all vanadium liquid flow battery.

[0003] When preparing the electrolyte of the all vanadium liquid flow battery, the temperature during the mixing process of the electrolyte needs to be accurately controlled to ensure that the electrolyte of different components can be fully mixed in a stable and suitable temperature environment to prepare high-quality electrolyte. When using a temperature sensor to control the constant temperature of the all vanadium liquid flow battery electrolyte, the constant temperature control equipment needs to be immersed in the electrolyte to adjust and control according to the actual temperature of the electrolyte. Since the all vanadium liquid flow battery electrolyte has certain corrosiveness, the temperature sensor in the constant temperature control equipment is easily corroded by long-term contact with the electrolyte, which affects the service life. UTILITY MODEL CONTENTS

[0004] To solve the technical problems in the background art, the utility model provides a constant temperature control equipment for preparing electrolyte of all vanadium liquid flow battery, which can prevent the temperature sensor from being corroded by the electrolyte of all vanadium liquid flow battery, thereby accurately controlling the temperature during the mixing process of the electrolyte and ensuring that the electrolyte of different components can be fully mixed in a stable and suitable temperature environment.

[0005] The purpose of the utility model can be achieved by the following technical solutions:

[0006] A constant temperature control equipment for preparing electrolyte of all vanadium liquid flow battery, comprising: a temperature sensor, two groups of heating components, the two groups of heating components are oppositely arranged on the outer sides of the two ends of the temperature sensor, the temperature sensor is provided with a first annular guard plate on the peripheral side, the two groups of heating components are each provided with a second annular guard plate on the peripheral side, the two groups of second annular guard plates are respectively connected to the two ends of the first annular guard plate, the first annular guard plate and the second annular guard plate are detachably connected, and the outer end faces of the two groups of heating components are each provided with a cover plate.

[0007] Further, a magnet ring is arranged between the first and second annular guards, the magnet ring is fixedly connected with the first annular guard, and the second annular guard is magnetically connected with the magnet ring.

[0008] Further, the first annular guard, the two groups of magnet rings and the two groups of second annular guards are locked and fixed through the first fixing belts wound outside along the vertical direction.

[0009] Further, the first annular guard comprises four L-shaped splicing plates connected with each other, the four splicing plates are respectively clamped on four edges of the temperature sensor, one end of each splicing plate is provided with a first insertion block, the other end of each splicing plate is provided with a first clamping groove, and the adjacent two splicing plates are spliced with each other through the first insertion block and the first clamping groove.

[0010] Further, the four splicing plates are locked and fixed through the second fixing belts wound outside along the horizontal direction.

[0011] Further, the magnet ring comprises four L-shaped magnet blocks corresponding to the four splicing plates respectively, the four magnet blocks are connected with the four splicing plates one by one respectively, and the second annular guard comprises four L-shaped iron plates corresponding to the four magnet blocks respectively, the four iron plates are connected with the four magnet blocks one by one respectively.

[0012] Further, one end of each iron plate is provided with a second insertion block, the other end of each iron plate is provided with a second clamping groove, the adjacent two iron plates are spliced with each other through the second insertion block and the second clamping groove, and the outer surface of the second insertion block is fixedly connected with a heat exchange fin.

[0013] Further, the heating assembly comprises a U-shaped frame and a plurality of resistance wires, the U-shaped frame is fixedly connected inside the second annular guard, the plurality of resistance wires are fixedly connected inside the U-shaped frame, the plurality of resistance wires are distributed in a linear array inside the U-shaped frame, and a cover plate is sealingly connected to one end of the U-shaped frame.

[0014] Further, one end of the U-shaped frame away from the cover plate is provided with an annular clamping block, the clamping block is fixedly connected inside the second annular guard, and a breathable piece is clamped between the U-shaped frame and the clamping block.

[0015] The utility model discloses a constant temperature control equipment, be used for controlling the temperature in the vanadium redox flow battery electrolyte mixing process, and the temperature of mixed electrolyte is gathered through temperature sensor, and according to the temperature data of gathering adjusts the heat of two groups of heating components heating, makes the temperature in electrolyte mixing process keep between 10 degrees Celsius to 40 degrees Celsius, optimal when preparing, the protection shell is formed by first annular apron, two groups of second annular apron and two groups of apron, prevents temperature sensor from being corroded by vanadium redox flow battery electrolyte and causes damage, thereby make the temperature control when preparing electrolyte more accurate, reduced because of the negative influence of temperature overheating or supercooling to electrolyte performance and quality, ensure that electrolyte reaction is in the suitable temperature range, effectively reduce the risk of electrolyte leakage, electrolyte precipitation blockage etc. Safety accident caused by temperature anomaly, improve the stability and security of vanadium redox flow battery system. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the three-dimensional schematic view of the utility model.

[0017] Figure 2 It is the three-dimensional schematic view of the utility model.

[0018] Figure 3 It is the three-dimensional schematic view of the utility model.

[0019] Figure 4 It is Figure 1 It is the partial enlarged schematic view of A in the middle.

[0020] Figure 5 It is the sectional schematic view of the utility model. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor all belong to the range of protection of the utility model.

[0022] As Figures 1-2As shown, the utility model provides a kind of constant temperature control equipment of preparation of all-vanadium redox flow battery electrolyte, comprising: temperature sensor 1, two groups of heating components 2, two groups of heating components 2 are oppositely arranged at the both ends outside of temperature sensor 1, when using, constant temperature control equipment is placed in the all-vanadium redox flow battery mixed electrolyte of temperature needing to be controlled, the temperature of mixed electrolyte is collected by temperature sensor 1, temperature sensor 1 is connected with two groups of heating components 2, to adjust the heat of two groups of heating components 2 according to the temperature data collected, so that the temperature in electrolyte mixing process is kept between 10 degrees Celsius to 40 degrees Celsius, optimal when preparing.

[0023] Temperature sensor 1 periphery is equipped with first annular guard plate 3, and two groups of heating components 2 periphery are equipped with second annular guard plate 4, and two groups of second annular guard plate 4 are connected at the both ends of first annular guard plate 3 respectively, and first annular guard plate 3 and second annular guard plate 4 are detachably connected, and the outer end face of two groups of heating components 2 is equipped with cover plate 5, to form protective housing by first annular guard plate 3, two groups of second annular guard plate 4 and two groups of cover plate 5, to prevent temperature sensor 1 from being corroded by all-vanadium redox flow battery electrolyte and being damaged, so that temperature control is more accurate when preparing electrolyte, the negative influence of temperature overheating or overcooling on electrolyte performance and quality is reduced, ensure that the reaction of electrolyte is carried out in suitable temperature range, effectively reduce the risk of safety accidents such as electrolyte leakage, electrolyte precipitation blockage caused by temperature anomaly, improve the stability and security of all-vanadium redox flow battery system.

[0024] First annular guard plate 3 and second annular guard plate 4 are adaptively provided with magnet ring 6, magnet ring 6 is fixedly connected with first annular guard plate 3, and second annular guard plate 4 is magnetically connected with magnet ring 6.

[0025] As shown in the figure, Figures 3-4 First annular guard plate 3 includes four mutually connected L-shaped splicing plates 31, four splicing plates 31 are respectively clamped on the four edges of temperature sensor 1, four splicing plates 31 are symmetrically distributed on the four peripheral walls of temperature sensor 1, one end of splicing plate 31 is provided with first plug 32, the other end of splicing plate 31 is provided with first clamping groove 33, and the adjacent two splicing plates 31 are spliced with each other through first plug 32 and first clamping groove 33. Four splicing plates 31 are locked and fixed by second fixing belt 8 wound outside along horizontal direction, and second fixing belt 8 is perpendicularly arranged with first fixing belt 7.

[0026] The magnet ring 6 comprises four L-shaped magnet blocks 61 corresponding to the four splicing plates 31 respectively, the four magnet blocks 61 are connected to the four splicing plates 31 one by one respectively, the second annular guard plate 4 comprises four L-shaped iron plates 41 corresponding to the four magnet blocks 61 respectively, the four iron plates 41 are connected to the four magnet blocks 61 one by one respectively. The iron plate 41 is provided with a second insertion block 42 at one end, and is provided with a second clamping groove 43 at the other end, and the adjacent two iron plates 41 are spliced with each other through the second insertion block 42 and the second clamping groove 43, and the outer surface of the second insertion block 42 is fixedly connected with the heat exchange fin 9.

[0027] The four splicing plates 31 of the first annular guard plate 3 and the four iron plates 41 of the second annular guard plate 4 are connected and fixed in a splicing mode, the four splicing plates 31 are connected and fixed to each other through the first insertion block 32 and the first clamping groove 33 in sequence, the four iron plates 41 are connected and fixed to each other through the second insertion block 42 and the second clamping groove 43 in sequence, and the first annular guard plate 3 is magnetically connected with the second annular guard plate 4 through the magnet ring 6, so that the splicing and disassembly are more convenient, and the constant temperature control device has high stability and flexibility and is more convenient to use.

[0028] As shown in Figure 5 The heating assembly 2 comprises a U-shaped frame 21 and a plurality of resistance wires 22, the U-shaped frame 21 is fixedly connected to the inside of the second annular guard plate 4, the plurality of resistance wires 22 are fixedly connected to the inside of the U-shaped frame 21, the plurality of resistance wires 22 are distributed in a linear array in the inside of the U-shaped frame 21, and the cover plate 5 is sealingly connected to one end of the U-shaped frame 21. The end of the U-shaped frame 21 away from the cover plate 5 is provided with an annular clamping block 23, the clamping block 23 is fixedly connected to the inside of the second annular guard plate 4, and the U-shaped frame 21 and the clamping block 23 are clamped with a breathable piece 24. The heating assembly 2 is heated through the plurality of resistance wires 22, and the heat generated by the resistance wires 22 is adjusted through the temperature sensor 1, so that the temperature of the electrolyte is maintained between 10 and 40 degrees Celsius.

[0029] The above content is only an example and description of the structure of the utility model, and those skilled in the art can make various modifications or supplements or adopt similar ways to replace the described specific embodiments, as long as the structure of the utility model is not deviated or beyond the scope defined in the present application, which shall belong to the protection scope of the utility model.

Claims

1. A temperature control device for preparing electrolyte for an all-vanadium redox flow battery, characterized in that, include: A temperature sensor (1) and two sets of heating components (2) are arranged opposite to each other on the outer sides of the two ends of the temperature sensor (1). A first annular protective plate (3) is provided around the temperature sensor (1), and a second annular protective plate (4) is provided around the two sets of heating components (2). The two sets of second annular protective plates (4) are respectively connected to the two ends of the first annular protective plate (3). The first annular protective plate (3) and the second annular protective plate (4) are detachably connected. A cover plate (5) is provided on the outer end face of the two sets of heating components (2).

2. The constant temperature control device according to claim 1, characterized in that, A magnetic ring (6) is adapted between the first annular guard plate (3) and the second annular guard plate (4). The magnetic ring (6) is fixedly connected to the first annular guard plate (3), and the second annular guard plate (4) is magnetically connected to the magnetic ring (6).

3. The constant temperature control device according to claim 2, characterized in that, The first annular guard plate (3), the two sets of magnetic rings (6) and the two sets of second annular guard plates (4) are locked together by a first fixing band (7) wrapped vertically on the outside.

4. The constant temperature control device according to claim 2, characterized in that, The first annular guard plate (3) includes four interconnected L-shaped splicing plates (31). The four splicing plates (31) are respectively engaged on the four edges of the temperature sensor (1). One end of the splicing plate (31) is provided with a first insert (32), and the other end of the splicing plate (31) is provided with a first slot (33). Adjacent splicing plates (31) are spliced ​​together by the first insert (32) and the first slot (33).

5. The constant temperature control device according to claim 4, characterized in that, The four splicing panels (31) are locked together by a second fixing strap (8) wrapped horizontally around the outside.

6. The constant temperature control device according to claim 4, characterized in that, The magnet ring (6) includes four L-shaped magnet blocks (61) corresponding to the four splicing plates (31) respectively. The four magnet blocks (61) are connected to the four splicing plates (31) one by one. The second annular guard plate (4) includes four L-shaped iron plates (41) corresponding to the four magnet blocks (61) respectively. The four iron plates (41) are connected to the four magnet blocks (61) one by one.

7. The constant temperature control device according to claim 6, characterized in that, One end of the iron plate (41) is provided with a second insert (42), and the other end of the iron plate (41) is provided with a second slot (43). Two adjacent iron plates (41) are spliced ​​together by the second insert (42) and the second slot (43). The outer surface of the second insert (42) is fixedly connected with heat exchange plates (9).

8. The constant temperature control device according to claim 1, characterized in that, The heating assembly (2) includes a spiral frame (21) and multiple resistance wires (22). The spiral frame (21) is fixedly connected inside the second annular guard plate (4). The multiple resistance wires (22) are fixedly connected inside the spiral frame (21). The multiple resistance wires (22) are arranged in a linear array inside the spiral frame (21). The cover plate (5) is sealed and connected to one end of the spiral frame (21).

9. The constant temperature control device according to claim 8, characterized in that, The end of the spiral frame (21) away from the cover plate (5) is provided with an annular locking block (23), which is fixedly connected to the inside of the second annular guard plate (4). A breathable sheet (24) is snapped between the spiral frame (21) and the locking block (23).

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