CN219457668U

CN219457668U - Device for improving comprehensive energy efficiency of flow battery system

Info

Publication number: CN219457668U
Application number: CN202223323051.7U
Authority: CN
Inventors: 吴建刚; 请求不公布姓名
Original assignee: Changzhou Xingchen New Energy Co ltd
Current assignee: Changzhou Xingchen New Energy Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-08-01
Anticipated expiration: 2032-12-12

Abstract

The utility model relates to the technical field of flow batteries, in particular to a device for improving the comprehensive energy efficiency of a flow battery system, which comprises: the all-vanadium redox flow battery is connected with the heat pump system, the heat pump system is connected with the iron-chromium redox flow battery, the surfaces of the all-vanadium redox flow battery and the iron-chromium redox flow battery are provided with extension plates, and grooves are formed in the extension plates; the beneficial effects are as follows: under the general application scene provided by the utility model, the heat pump system pumps the heat generated by the operation of the all-vanadium redox flow battery into the iron-chromium redox flow battery system for heating or heat preservation through heat exchange; under special working conditions, the heat flow direction can be reversely controlled, and the heat generated by the operation of the iron-chromium flow battery is pumped into the all-vanadium flow battery system; if all vanadium and iron chromium need heat to raise temperature, the heat pump system can generate heat from the atmospheric environment or other energy conversion modes, such as electric heating and the like.

Description

Device for improving comprehensive energy efficiency of flow battery system

Technical Field

The utility model relates to the technical field of flow batteries, in particular to a device for improving comprehensive energy efficiency of a flow battery system.

Background

The power capacity and the electric energy capacity of the flow battery can be respectively and flexibly configured according to requirements, the power is determined by a pile structure, and the electric energy capacity is determined by the amount of electrolyte to be configured;

in order to ensure that the electrochemical reaction is in a high-efficiency temperature range, the temperature range required by the formula of each flow battery electrolyte is different, for example, the temperature of the vanadium flow battery electrolyte is required to be about 40 ℃, the iron-chromium flow battery generally operates at about 60 ℃ and is relatively high-efficiency, a cold water machine is generally required to be configured for refrigeration of the vanadium flow battery under actual environmental conditions, and a hot water system is generally required to be configured for heating and heat preservation of the iron-chromium flow battery;

the refrigeration of the vanadium redox flow battery and the heating of the iron-chromium redox flow battery consume a large amount of electric energy, resources are wasted, and heat generated by the vanadium redox flow battery and the iron-chromium redox flow battery is not reasonably utilized.

Disclosure of Invention

The utility model aims to provide a device for improving the comprehensive energy efficiency of a flow battery system, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an apparatus for improving the comprehensive energy efficiency of a flow battery system, comprising:

the all-vanadium redox flow battery is connected with a heat pump system, the heat pump system is connected with an iron-chromium redox flow battery, the surfaces of the all-vanadium redox flow battery and the iron-chromium redox flow battery are provided with extension plates, and grooves are formed in the extension plates.

Preferably, the inside of extension board is empty, and the fluting has multiunit, and the inside of extension board is provided with the fin, and the fin stretches into flow battery's inside.

Preferably, the fin divides the extension plate into a plurality of groups of slots, through holes are formed in the inner walls of the slots, and the through holes of the inner walls of two adjacent groups of slots are positioned at different two ends.

Preferably, the heat pump system has an electric heating function.

Preferably, a water inlet is arranged at the top of the extension plate, the water inlet is connected with the heat pump system, and the other end of the water inlet is connected with the slot.

Preferably, a water outlet is arranged on the side face of the extension plate, the water outlet is connected with the heat pump system, and the other end of the water outlet is connected with the slot.

Compared with the prior art, the utility model has the beneficial effects that:

under the general application scene provided by the utility model, the heat pump system pumps the heat generated by the operation of the all-vanadium redox flow battery into the iron-chromium redox flow battery system for heating or heat preservation through heat exchange; under special working conditions, the heat flow direction can be reversely controlled, and the heat generated by the operation of the iron-chromium flow battery is pumped into the all-vanadium flow battery system; if all vanadium and iron chromium need heat to raise temperature, the heat pump system can generate heat from atmospheric environment or other energy conversion modes, such as electric heating and the like; the method can greatly reduce the electric energy required by refrigeration or heating in the general application occasion of the flow battery system, thereby improving the overall efficiency of the flow battery system.

Drawings

FIG. 1 is a schematic diagram of a connection structure according to the present utility model;

FIG. 2 is a schematic diagram of a three-dimensional structure of a flow battery according to the present utility model;

fig. 3 is a schematic view of a cross-sectional perspective structure of a flow battery according to the present utility model.

In the figure: flow battery 1, extension board 2, water inlet 3, delivery port 4, through-hole 5, fluting 6.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

In the description of the present utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1 to 3, the present utility model provides a technical solution: an apparatus for improving the comprehensive energy efficiency of a flow battery system, comprising: the vanadium redox flow battery is connected with a heat pump system, the heat pump system is connected with a ferrochrome redox flow battery, grooves 6 are formed in the surfaces of the vanadium redox flow battery and the ferrochrome redox flow battery, the grooves 6 are formed in the inner portion of the extending plate 2, the grooves 6 are in multiple groups, fins are arranged in the inner portion of the extending plate 2 and extend into the inner portion of the redox flow battery 1, the fins divide the extending plate 2 into multiple groups of grooves 6, through holes 5 are formed in the inner walls of the grooves 6, the through holes 5 in the inner walls of two adjacent groups of grooves 6 are located at different ends, the heat pump system has an electric heating function, a water inlet 3 is formed in the top of the extending plate 2, the water inlet 3 is connected with the heat pump system, the other end of the water inlet 3 is connected with the grooves 6, a water outlet 4 is formed in the side face of the extending plate 2, the water outlet 4 is connected with the heat pump system, and the other end of the water outlet 4 is connected with the grooves 6.

While the foregoing has been described in terms of illustrative embodiments thereof, so that those skilled in the art may appreciate the present application, it is not intended to be limited to the precise embodiments so that others skilled in the art may readily utilize the present application to its various modifications and variations which are within the spirit and scope of the present application as defined and determined by the appended claims.

Claims

1. The utility model provides a promote energy efficiency device is synthesized to redox flow battery system which characterized in that: the device for improving the comprehensive energy efficiency of the flow battery system comprises:

all-vanadium redox flow battery, all-vanadium redox flow battery are connected with heat pump system, heat pump system is connected with iron chromium redox flow battery, and all-vanadium redox flow battery and iron chromium redox flow battery's surface is provided with extension board (2), and fluting (6) have been seted up to the inside of extension board (2).

2. The integrated energy efficiency device for improving a flow battery system according to claim 1, wherein: the inside of extension board (2) is empty, and fluting (6) have multiunit, and the inside of extension board (2) is provided with the fin, and the fin stretches into the inside of flow battery (1).

3. The integrated energy efficiency device for improving a flow battery system according to claim 2, wherein: the fin divides the extension plate (2) into a plurality of groups of grooves (6), through holes (5) are formed in the inner walls of the grooves (6), and the through holes (5) in the inner walls of two adjacent groups of grooves (6) are located at different two ends.

4. The integrated energy efficiency device for improving a flow battery system according to claim 3, wherein: the heat pump system has an electric heating function.

5. The device for improving the comprehensive energy efficiency of a flow battery system according to claim 4, wherein: the top of extension board (2) is provided with water inlet (3), and heat pump system is being connected to water inlet (3), and fluting (6) are being connected to the other end of water inlet (3).

6. The device for improving the comprehensive energy efficiency of a flow battery system according to claim 5, wherein: the side of the extension plate (2) is provided with a water outlet (4), the water outlet (4) is connected with a heat pump system, and the other end of the water outlet (4) is connected with a slot (6).