CN212758558U

CN212758558U - Device for preparing electrolyte of all-vanadium redox flow battery

Info

Publication number: CN212758558U
Application number: CN202020354089.2U
Authority: CN
Inventors: 巴运炜; 郑建伟; 刘新运
Original assignee: Shaanxi Huayin Technology Co ltd
Current assignee: Huaqin Energy Storage Technology Co ltd
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2021-03-23
Anticipated expiration: 2030-03-19

Abstract

The utility model discloses a device for preparation of full vanadium redox flow battery electrolyte, which comprises a tank body the equal rigid coupling in lower surface four corners of the jar body has the landing leg, the outer wall left side of the jar body is equipped with sour gas neutralization apparatus, the outer wall right side top rigid coupling of the jar body has the feeder hopper, install first valve on the pipeline of feeder hopper, driving motor is installed on the top of the jar body. This a device for preparation of full vanadium redox flow battery electrolyte, through jar body and the cooperation between the sour gas neutralization apparatus, when the inside sour gas of jar body need discharge, the fan is circular telegram, then can make the bottom of cover of breathing in produce suction, the alkaline solution with neutralization incasement portion contacts and carries out neutralization reaction, this in-process is followed standpipe bottom exhaust acid gas, can upwards rise the removal at the inboard spiral of spiral leaf, promotion acid gas's that can be obvious neutralization effect, the result of use can obviously promote.

Description

Device for preparing electrolyte of all-vanadium redox flow battery

Technical Field

The utility model relates to a battery technology field specifically is a device that is used for full vanadium redox flow battery electrolyte to prepare.

Background

The all-vanadium redox flow battery is a redox battery which takes vanadium as an active substance and is in a circulating flow liquid state. The electric energy of the vanadium battery is stored in sulfuric acid electrolyte of vanadium ions with different valence states in a chemical energy mode, the electrolyte is pressed into a battery stack body through an external pump, under the action of mechanical power, the electrolyte solution circularly flows in different liquid storage tanks and closed loops of half cells, a proton exchange membrane is used as a diaphragm of the battery pack, the electrolyte solution parallelly flows through the surface of an electrode and generates electrochemical reaction, current is collected and conducted through the double electrode plate, so that chemical energy stored in the solution is converted into electrical energy, in the preparation process of the electrolyte of the all-vanadium redox flow battery, acid gas can be generated in the chemical reaction process of reactants, the acid gas has certain corrosivity and toxicity, if the acid gas is absorbed into the body of a worker, the respiratory tract can be damaged, and if the acid gas is directly discharged, the air can be greatly polluted.

The device for preparing the electrolyte of the all-vanadium redox flow battery on the market at the present stage can reduce the damage of the acid gas of the device to workers and the pollution to the air, but in the actual use process, the contact time of the acid gas discharged from the inside of the device and the alkaline solution in the neutralization box is short, the neutralization effect on the acid gas is general, the harm to the workers and the pollution to the air can be still possibly caused, and the practicability is still improved.

Meanwhile, the stirring device in the device can not scrape and rub the inner wall of the device, so that the inner wall of the device is easy to retain materials, and the subsequent discharge of the materials in the device is not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device for preparation of full vanadium redox flow battery electrolyte, and the device for preparation of full vanadium redox flow battery electrolyte of present stage market that proposes in solving above-mentioned background art, although can reduce the acid gas of device to staff's damage and the pollution to the air, but in the in-service use process, the inside exhaust sour gas of device, it is comparatively short with the contact time of neutralization incasement portion alkaline solution, it is general to the neutralization effect of acid gas, still can cause the injury and lead to the fact the pollution to the air to the staff, practicality remains to promote the problem.

In order to achieve the above object, the utility model provides a following technical scheme: a device for preparing electrolyte of an all-vanadium redox flow battery comprises a tank body, wherein four corners of the lower surface of the tank body are fixedly connected with supporting legs, the left side of the outer wall of the tank body is provided with an acid gas neutralizing device, the top end of the right side of the outer wall of the tank body is fixedly connected with a feed hopper, a first valve is arranged on a pipeline of the feed hopper, the top end of the tank body is provided with a driving motor, and the bottom end of the tank body is fixedly connected with a discharge valve;

the acid gas neutralizing device comprises a neutralizing tank, a vertical pipe, a spiral blade, a fan, a support, a bent pipe, an air suction cover, a second valve, a drain valve and a PH detector;

the utility model discloses a neutralization tank, including neutralization tank, riser, middle and case, the outer wall left side of the jar body of neutralization tank rigid coupling, the central rigid coupling of middle and case upper surface has the standpipe, a part of standpipe runs through the neutralization tank, the fixed coupling of the outer wall of standpipe has the spiral leaf, the outer wall of spiral leaf links to each other with the inner wall of the neutralization tank is fixed, the top rigid coupling of standpipe has the support, the bottom of support links to each other with the last fixed surface of neutralization tank, the top rigid coupling of fan has the return bend, the right side tip of return bend partly runs through the jar body, the return bend links to each other with jar body is fixed, the right side tip rigid coupling of return bend has the cover of breathing in, install the second valve on the pipeline of return bend, the outer wall left side bottom rigid coupling.

Preferably, the lower surface of the neutralization box is fixedly connected with a supporting plate, and the right side of the supporting plate is fixedly connected with the tank body.

Preferably, a transparent window is arranged on the front surface of the outer wall of the tank body.

Preferably, a stirring rod assembly is arranged inside the tank body;

the stirring rod assembly comprises a rotating rod, a lantern ring, a stirring rod, a supporting rod and a rubber strip;

the bull stick is located the inside center of the jar body, the top of bull stick links to each other with driving motor's output shaft is fixed, the outer wall from the bottom up of bull stick rigid coupling in proper order has three lantern ring, both ends from top to bottom equal rigid coupling puddler in both ends around the outer wall of lantern ring, center the equal rigid coupling in outer wall left and right sides of lantern ring has branch, the other end rigid coupling of branch has the rubber strip, the outer wall of rubber strip is laminated with the inner wall of the jar body mutually.

Preferably, the output shaft of the driving motor, the central point of the rotating rod and the central point of the sleeve ring are all located on the same vertical line.

Compared with the prior art, the beneficial effects of the utility model are that: compared with the prior art, the device for preparing the electrolyte of the all-vanadium redox flow battery has the following advantages:

through the cooperation between the jar body and the sour gas neutralization apparatus, when the inside sour gas of the jar body need be discharged, operating personnel opens the second valve, simultaneously with the fan circular telegram, then can make the bottom of cover of breathing in produce suction, discharge into the inside of neutralization case, the alkaline solution with neutralization incasement portion contacts and carries out neutralization reaction, this in-process follows standpipe bottom exhaust acid gas, can upwards rise the removal at the inboard spiral of spiral leaf, and then can make acid gas more abundant contact with alkaline solution, make acid gas and alkaline solution's contact long with the promotion, the neutralization effect of promotion acid gas that can be obvious, reduction that can be obvious causes the injury and the pollution of air to the staff, the result of use can obviously promote.

Through the cooperation among the jar body, driving motor and the puddler subassembly, the material that the internal portion of jar was processed is discharged, when the material velocity of flow in the jar body obviously reduced, supplies power with driving motor here, and at this moment the rubber strip can be cut to pieces the inner wall of jar body, makes its material that remains on the internal wall of jar gather to become a lot, does benefit to and discharges from the inside of jar body.

Through the cooperation between neutralization box, PH detector and the drain valve, operating personnel can come audio-visual surplus basicity of knowing neutralization incasement portion alkaline liquid through the display screen that watches the PH detector, does benefit to timely solution with neutralization incasement portion of operating personnel and renews to ensure the neutralization effect of sour gas.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front cross-sectional view of FIG. 1;

FIG. 3 is a schematic view showing a connection structure of the tank body, the neutralization tank and the elbow pipe of FIG. 2;

fig. 4 is a schematic view showing a connection structure of the neutralization tank, the standpipe and the spiral vane in fig. 2.

In the figure: 1. the jar body, 2, sour gas neutralization apparatus, 201, neutralization case, 202, standpipe, 203, spiral leaf, 204, fan, 205, support, 206, return bend, 207, the cover that breathes in, 208, second valve, 209, drain valve, 210, PH detector, 3, stirring rod subassembly, 301, bull stick, 302, the lantern ring, 303, the stirring rod, 304, branch, 305, the rubber strip, 4, the feeder hopper, 5, first valve, 6, driving motor, 7, the row's of material valve, 8, the transparent window, 9, the layer board, 10, the landing leg.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-4, the present invention provides a technical solution: a device for preparing electrolyte of an all-vanadium redox flow battery comprises a tank body 1, wherein four corners of the lower surface of the tank body 1 are fixedly connected with supporting legs 10, the left side of the outer wall of the tank body 1 is provided with an acid gas neutralization device 2, the top end of the right side of the outer wall of the tank body 1 is fixedly connected with a feed hopper 4, the feed hopper 4 is communicated with the tank body 1, a pipeline of the feed hopper 4 is provided with a first valve 5, the top end of the tank body 1 is provided with a driving motor 6, a power line of the driving motor 6 is in butt joint with an external power supply device, the bottom end of the tank body 1 is fixedly connected with a discharge valve 7, the discharge valve 7 is communicated with the inside of the tank body 1, the acid gas neutralization device 2 comprises a neutralization box 201, a vertical pipe 202, a spiral blade 203, a fan 204, a bracket 205, a bent pipe 206, an air suction hood 207, a second valve 208, a drain valve, a part of the vertical pipe 202 penetrates through the neutralization tank 201, a spiral blade 203 is fixedly sleeved on the outer wall of the vertical pipe 202, the outer wall of the spiral blade 203 is fixedly connected with the inner wall of the neutralization tank 201, a fan 204 is fixedly connected to the top end of the vertical pipe 202, an air inlet is arranged above the fan 204, an air outlet is arranged at the bottom end of the air inlet, a power cord of the fan 204 is in butt joint with an external power supply device, a support 205 is fixedly connected to the bottom end of the outer wall of the fan 204, the bottom end of the support 205 is fixedly connected with the upper surface of the neutralization tank 201, an elbow 206 is fixedly connected to the top end of the fan 204, a part of the right side end of the elbow 206 penetrates through the tank body 1, the elbow 206 is fixedly connected with the tank body 1, an air suction cover 207 is fixedly connected to the right side end of the elbow 206, the air suction cover 207 is communicated with the elbow 206, a second valve 208 is, drain valve 209 communicates each other with neutralization box 201, and neutralization box 201's upper surface left side the place ahead installs the notes material pipe, it is used for pouring into alkaline solution and annotates the outer wall bottom threaded connection who manages to neutralization box 201 inside to annotate the material pipe, PH detector 210 is installed in neutralization box 201's outer wall left side, PH detector 210's model is PH-501, and PH detector's power cord and external power supply unit dock mutually, neutralization box 201's lower surface rigid coupling has layer board 9, layer board 9's right side links to each other with jar body 1 is fixed, layer board 9 can increase the stability between neutralization box 201 and the jar body 1, surface mounting has transparent window 8 before jar body 1's the outer wall, transparent window 8 is convenient for external personnel observe the internal material condition of jar, when the drain valve opens and shuts and carries out the discharge of the internal portion liquid of neutralization.

The stirring rod component 3 is arranged in the tank body 1, the stirring rod component 3 comprises a rotating rod 301, a lantern ring 302 and a stirring rod 303, branch 304 and rubber strip 305, bull stick 301 is located jar internal 1's inside center, bull stick 301's top links to each other with driving motor 6's output shaft is fixed, the outer wall from the bottom up of bull stick 301 rigid coupling in proper order has three lantern ring 302, the equal rigid coupling puddler 303 in both ends around the outer wall left and right sides of upper and lower both ends lantern ring 302, the equal rigid coupling in outer wall left and right sides of center lantern ring 302 has branch 304, the other end rigid coupling of branch 304 has rubber strip 305, rubber strip 305 is made for the fluororubber material, certain toughness has, the outer wall of rubber strip 305 laminates mutually with jar internal 1's inner wall, driving motor 6's output shaft, the central point of bull stick 301 and lantern ring 302 all is located same vertical line, when driving motor 6 circular telegram back output shaft rotates, can make bull stick 301 and lantern ring 302 carry.

A device for preparing electrolyte of a vanadium redox flow battery, in the using process, firstly, a proper amount of alkaline solution is injected into the interior of a neutralization box 201 through an injection pipe in front of the left side of the upper surface of the neutralization box, a spiral cover at the top end of the outer wall of the injection pipe is reset, then a principle to be processed is injected into the interior of a tank body 1 through a feed hopper 4, a first valve 5 is closed, when the materials in the tank body 1 need to be stirred and processed, an operator can supply power to a driving motor 6 to enable an output shaft of the driving motor to rotate, a rotating rod 301 can be communicated with the output shaft to rotate together during the period, then a stirring rod 303 can stir and process the materials in the tank body 1, after the stirring operation is completed, a discharge valve 7 can be opened as required, the materials processed in the tank body 1 can be discharged, and when the flow rate of the materials in the tank body 1, the driving motor 6 is powered on again, at this time, the rubber strip 305 scrapes the inner wall of the tank body 1 to reduce the amount of the materials remained on the inner wall of the tank body 1, which is beneficial to discharging from the inside of the tank body, and meanwhile, the acid gas in the tank body 1 needs to be discharged, the operator opens the second valve 208, and simultaneously energizes the fan 204, so that the bottom end of the suction hood 207 can generate suction to suck the acid gas in the tank body 1, and then the acid gas is discharged into the neutralizing tank 201 through the bent pipe 206 and the vertical pipe 202 in sequence, and is contacted with the alkaline solution in the neutralizing tank 201 to perform neutralization reaction, and in the process, the acid gas discharged from the bottom end of the vertical pipe 202 rises and moves upwards in the spiral direction at the inner side of the spiral blade 203, so that the acid gas is contacted with the alkaline solution more fully, and the contact time between the acid gas and the alkaline solution is prolonged to be lifted, the result of use can obviously promote, and operating personnel can come audio-visual surplus basicity of knowing the inside alkaline liquid of neutralizing tank 201 through the display screen that watches PH detector 210 in this process, does benefit to timely solution with neutralizing tank 201 inside of operating personnel and renews.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a device for preparation of all vanadium redox flow battery electrolyte, includes jar body (1), its characterized in that: supporting legs (10) are fixedly connected to four corners of the lower surface of the tank body (1), an acid gas neutralizing device (2) is arranged on the left side of the outer wall of the tank body (1), a feed hopper (4) is fixedly connected to the top end of the right side of the outer wall of the tank body (1), a first valve (5) is installed on a pipeline of the feed hopper (4), a driving motor (6) is installed at the top end of the tank body (1), and a discharge valve (7) is fixedly connected to the bottom end of the tank body (1);

the acid gas neutralization device (2) comprises a neutralization box (201), a vertical pipe (202), a spiral blade (203), a fan (204), a support (205), an elbow (206), an air suction cover (207), a second valve (208), a drain valve (209) and a PH detector (210);

the outer wall left side of jar body (1) is fixed to neutralization case (201), neutralization case (201) upper surface center rigid coupling has standpipe (202), some of standpipe (202) run through neutralization case (201), the outer wall of standpipe (202) is fixed to be cup jointed spiral leaf (203), the outer wall of spiral leaf (203) links to each other with the inner wall of neutralization case (201) is fixed, the top rigid coupling of standpipe (202) has fan (204), the outer wall bottom rigid coupling of fan (204) has support (205), the bottom of support (205) links to each other with the upper surface of neutralization case (201) is fixed, the top rigid coupling of fan (204) has return bend (206), the right side tip part of return bend (206) runs through jar body (1), return bend (206) and jar body (1) fixed linking to each other, the right side tip rigid coupling of return bend (206) has suction hood (207), install second valve (208) on the pipeline of return bend (206), the outer wall left side bottom rigid coupling of neutralization case (201) has drain valve (209), PH detector (210) are installed on the outer wall left side of neutralization case (201).

2. The device for preparing the electrolyte of the all-vanadium flow battery according to claim 1, is characterized in that: the lower surface rigid coupling of neutralization case (201) has layer board (9), the right side of layer board (9) and jar body (1) fixed link to each other.

3. The device for preparing the electrolyte of the all-vanadium flow battery according to claim 1, is characterized in that: the front surface of the outer wall of the tank body (1) is provided with a transparent window (8).

4. The device for preparing the electrolyte of the all-vanadium flow battery according to claim 1, is characterized in that: a stirring rod assembly (3) is arranged in the tank body (1);

the stirring rod assembly (3) comprises a rotating rod (301), a sleeve ring (302), a stirring rod (303), a support rod (304) and a rubber strip (305);

the inside center that bull stick (301) is located jar body (1), the top of bull stick (301) links to each other with the output shaft of driving motor (6) is fixed, the outer wall from the bottom up of bull stick (301) rigid coupling in proper order has three lantern ring (302), upper and lower both ends equal rigid coupling puddler (303) in both ends around the outer wall left and right sides of the lantern ring (302), the center the equal rigid coupling in outer wall left and right sides of the lantern ring (302) has branch (304), the other end rigid coupling of branch (304) has rubber strip (305), the outer wall of rubber strip (305) is laminated with the inner wall of the jar body (1) mutually.

5. The device for preparing the electrolyte of the all-vanadium flow battery according to claim 1, is characterized in that: the output shaft of the driving motor (6), the central point of the rotating rod (301) and the central point of the sleeve ring (302) are all located on the same vertical line.