CN218638186U

CN218638186U - Electricity core broken atmosphere system with electricity

Info

Publication number: CN218638186U
Application number: CN202222246174.9U
Authority: CN
Inventors: 李首顶; 张小松; 王秀勇; 曹元成
Original assignee: Wuhan Ruikemei New Energy Co ltd
Current assignee: Wuhan Ruikemei New Energy Co ltd
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2023-03-17
Anticipated expiration: 2032-08-25

Abstract

The utility model relates to an electrified crushing atmosphere system of an electric core, which comprises a cache bin, a crusher and a pyrolysis furnace which are connected in sequence; buffer memory feed bin, it does not be provided with the inert gas air inlet of being connected with external atmosphere control system to equally divide on breaker and the pyrolysis oven, still be provided with middle gas outlet on buffer memory feed bin and the breaker respectively, be provided with the middle gas air inlet of being connected with middle gas outlet on the pyrolysis oven, buffer memory feed bin and breaker combustion gas get into the pyrolysis oven through middle gas air inlet, because buffer memory feed bin and breaker combustion gas contain the inert gas of higher concentration and volatile electrolyte, let in the pyrolysis oven with these two part gases, both formed the organized emission of waste gas, the centralized processing of waste gas has been made things convenient for, reduce pyrolysis oven inert gas's the volume of letting in again, realize inert gas's echelon utilization, reduce comprehensive energy consumption.

Description

Electricity core broken atmosphere system with electricity

Technical Field

The utility model relates to a battery recovery equipment technical field, concretely relates to electrified broken atmosphere system of electric core.

Background

The average life of a new energy automobile power battery is generally considered to be 5-8 years. According to the calculation, the first large-scale mass-production power batteries in China enter the elimination critical point, and the recycling market outbreak is at present. The statistical data of the research center of Chinese automobile technology shows that in 2020, the accumulated scrapped power battery in China exceeds 20 million tons (about 25 GWH). In 2025, the capacity of waste power batteries which need to be recycled in China is estimated to reach 137.4GWH (about 110 tons), which is more than 5 times of that in 2020. In addition, the price of raw materials of the power battery rises and the supply is tense, which makes the battery recycling industry bright.

According to the data of the Chinese energy report, the recovery market scale of the power battery in China in 2019 is about 50 hundred million yuan. The data of the Chinese automobile technical research center shows that the market scale of the power battery which is in domestic cumulative retirement in 2020 reaches 100 hundred million yuan. The recovery of the Chinese power battery in 2022 is expected to exceed 280 billion yuan.

If a large amount of waste power batteries are not treated or are not treated properly, the environment can be seriously polluted, the human health is harmed, and potential safety hazards can be possibly generated. Although the main materials of the power battery do not contain heavy metal elements such as mercury, cadmium, lead and the like with high toxicity, a plurality of materials such as a positive electrode, electrolyte and the like also contain chemical substances with certain toxicity such as cobalt, nickel, copper, manganese, organic carbonate and the like, and part of organic solvents which are difficult to degrade and decomposition and hydrolysis products thereof can cause serious pollution to the atmosphere, water and soil and damage an ecosystem; the enrichment effect of heavy metals such as cobalt, nickel, copper and the like in the environment finally causes damage to human health. On the other hand, the power battery contains a large amount of recyclable high-value metals such as lithium, cobalt, nickel and the like, and can generate great economic benefits after being recycled, thereby promoting energy conservation and emission reduction.

The crushing mode of the battery includes crushing after discharging and charged crushing. Discharge crushing requires discharge of a brine tank, treatment time is long, floor area is large, and saline wastewater can be generated and needs to be treated; the electric core can generate short circuit and fire before entering the crusher during charged crushing, and the volatile electrolyte is easily ignited by overheating and open fire generated in the crushing process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an electrified broken atmosphere system of electricity core is provided to overcome not enough among the above-mentioned prior art.

The utility model provides an above-mentioned technical problem's technical scheme as follows: an electrified crushing atmosphere system of a battery cell comprises a cache bin, a crusher and a pyrolysis furnace which are connected in sequence; the buffer storage bin, the crusher and the pyrolysis furnace are respectively provided with an inert gas inlet connected with an external atmosphere control system, the buffer storage bin and the crusher are respectively provided with a middle gas outlet, and the pyrolysis furnace is provided with a middle gas inlet connected with the middle gas outlet.

The beneficial effects of the utility model are that: by inputting inert gas into the buffer storage bin, the crusher and the pyrolysis furnace, the oxygen content is reduced, the phenomenon that short circuit and fire are generated in the electric core before the electric core enters the crusher during charged crushing is avoided, and the phenomenon that the volatile electrolyte is ignited by overheat and open fire generated in the crushing process is also avoided; and buffer memory feed bin and breaker combustion gas get into the pyrolysis oven through middle gas inlet, because buffer memory feed bin and breaker combustion gas contain the inert gas of higher concentration and volatile electrolyte, let in the pyrolysis oven with these two parts gas, both formed organized of waste gas and discharged, made things convenient for the centralized processing of waste gas, reduced pyrolysis oven inert gas's the volume of letting in again, realize inert gas's echelon utilization, reduce comprehensive energy consumption.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, a waste gas main exhaust port is arranged on the pyrolysis furnace and is connected with a waste gas purification mechanism.

Further, still include conveying mechanism, conveying mechanism's discharge gate is connected with the feed inlet of buffer memory feed bin.

Further, the buffer memory feed bin includes the storehouse body to and rotate the gravity that connects in storehouse body feed inlet and open and shut the structure.

Further, the gravity opening and closing structure comprises a cover plate covered on the feed inlet of the bin body, a fixing piece arranged on the side wall of the bin body and a spring connected between the cover plate and the fixing piece; one side of the cover plate close to the spring is rotationally connected above the bin body through a rotating shaft.

Further, the spring can move and adjust along the length direction of the cover plate.

Further, an even feeding mechanism is arranged between the buffer storage bin and the crusher.

Further, the uniform feeding mechanism comprises a machine shell and blades which are rotatably connected inside the machine shell, and the blades are driven to rotate by a motor.

Drawings

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

FIG. 2 is an enlarged view of the structure A of FIG. 1 according to the present invention;

fig. 3 is an enlarged view of the structure B in fig. 1 according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. buffer memory feed bin, 11, the storehouse body, 2, breaker, 3, pyrolysis oven, 4, inert gas air inlet, 5, middle gas outlet, 6, middle gas air inlet, 7, the total gas vent of waste gas, 8, conveying mechanism, 9, gravity open and shut structure, 91, apron, 92, mounting, 93, spring, 10, even feed mechanism, 101, casing, 102, blade.

Detailed Description

The principles and features of the present invention will be described with reference to the drawings, which are provided for illustration only and are not intended to limit the scope of the invention.

Embodiment 1, as shown in fig. 1 to 3, an electrically charged crushing atmosphere system for a battery cell includes a cache bin 1, a crusher 2, and a pyrolysis furnace 3, which are connected in sequence; the buffer storage bin 1, the crusher 2 and the pyrolysis furnace 3 are respectively provided with an inert gas inlet 4 connected with an external atmosphere control system, the buffer storage bin 1 and the crusher 2 are respectively provided with an intermediate gas outlet 5, and the pyrolysis furnace 3 is provided with an intermediate gas inlet 6 connected with the intermediate gas outlet 5.

Inert gas is input into the cache bin 1, the crusher 2 and the pyrolysis furnace 3, so that the oxygen content is reduced, short circuit and fire caused by electric core before entering the crusher during charged crushing are avoided, and electrolyte volatilized by ignition of overheat and open fire in the crushing process is also avoided; and buffer memory feed bin 1 and 2 combustion gas of breaker get into pyrolysis oven 3 through middle gas inlet 6, because buffer memory feed bin 1 and 2 combustion gas of breaker contain the inert gas of higher concentration and volatile electrolyte, let in pyrolysis oven 3 with these two parts gas, both formed the organized of waste gas and discharged, made things convenient for the centralized processing of waste gas, reduced 3 inert gas's of pyrolysis oven input volume again, realize inert gas's echelon utilization, reduce comprehensive energy consumption.

Embodiment 2, as shown in fig. 1 to fig. 3, this embodiment is a further improvement on embodiment 1, and specifically includes the following steps:

be provided with the total gas vent 7 of waste gas on the pyrolysis oven 3, the total gas vent 7 of waste gas is connected with exhaust purification mechanism, and the waste gas that will produce is concentrated through exhaust purification mechanism and is purified to discharge again after reaching emission standard.

Embodiment 3, as shown in fig. 1 to 3, this embodiment is a further improvement on embodiment 1, and specifically includes the following steps:

still include conveying mechanism 8, conveying mechanism 8's discharge gate is connected with the feed inlet of buffer memory feed bin 1. So as to realize the automatic operation of the whole system; in the specific implementation process, the conveying mechanism 8 is a conveying belt or a mechanical arm.

Embodiment 4, as shown in fig. 1 to 3, this embodiment is a further improvement on embodiment 1, and specifically includes the following steps:

the buffer storage bin 1 comprises a bin body 11 and a gravity opening and closing structure 9 which is rotatably connected to a feed inlet of the bin body 11.

When electric core on the gravity structure 9 that opens and shuts reaches certain weight, the structure is opened, makes electric core on it drop in buffer memory feed bin 1 to make buffer memory feed bin 1 intermittent opening and shutting, avoid too much inert gas to spill from buffer memory feed bin 1, saved inert gas's use amount.

Embodiment 5, as shown in fig. 1 to fig. 3, this embodiment is a further improvement on embodiment 4, and specifically includes the following steps:

the gravity opening and closing structure 9 comprises a cover plate 91 covering the feed inlet of the bin body 11, a fixing piece 92 arranged on the side wall of the bin body 11, and a spring 93 connected between the cover plate 91 and the fixing piece 92; one side of the cover plate 91 close to the spring 93 is rotatably connected above the bin body 11 through a rotating shaft.

When the battery cell on the cover plate 91 reaches a certain weight, the cover plate 91 is turned over under the action of gravity, the battery cell slides into the bin body 11, and after the battery cell on the cover plate 91 slides into the bin body 11, the cover plate 91 is restored under the action of the tensile force of the spring 93, namely, the cover plate is covered on the feed port; in a specific implementation, the fixing member 92 is a fixing plate or a fixing rod.

Embodiment 6, as shown in fig. 1 to 3, this embodiment is a further improvement on embodiment 5, and specifically includes the following steps:

the spring 93 can be adjusted along the length direction of the cover plate 91 in a movable manner, hooks can be arranged at two ends of the spring 93 in the specific implementation process, a plurality of hook holes are formed in the cover plate 91 and the fixing part 92, and the purpose of adjusting the overturning weight of the cover plate 91 is achieved by adjusting the hanging position of the hooks and through the lever principle.

Embodiment 7, as shown in fig. 1 to 3, this embodiment is a further improvement on embodiment 1, and specifically includes the following steps:

be provided with even feed mechanism 10 between buffer memory feed bin 1 and breaker 2, carry out even pay-off to breaker 2 insidely to avoided the inside card material of breaker 2 well, and too much electric core to pile up the condition that leads to the positive negative pole short circuit of electric core.

Embodiment 8, as shown in fig. 1 to 3, this embodiment is a further improvement on embodiment 7, and it specifically includes the following:

the uniform feeding mechanism 10 comprises a casing 101 and blades 102 rotatably connected to the inside of the casing 101, the blades 102 are driven by a motor to rotate, the electric core in the buffer storage bin 1 falls between the two blades 102, and when the blades 102 rotate downwards, the electric core between the two blades 102 falls into the crusher 2.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. An electric core electrified crushing atmosphere system is characterized by comprising a cache storage bin (1), a crusher (2) and a pyrolysis furnace (3) which are sequentially connected; equally divide on buffer memory feed bin (1), breaker (2) and pyrolysis oven (3) and do not be provided with inert gas air inlet (4) be connected with external atmosphere control system, buffer memory feed bin (1) with still be provided with middle gas outlet (5) on breaker (2) respectively, be provided with on pyrolysis oven (3) with middle gas inlet (6) that middle gas outlet (5) are connected.

2. The system according to claim 1, wherein the pyrolysis furnace (3) is provided with a main exhaust gas outlet (7), and the main exhaust gas outlet (7) is connected to an exhaust gas purification mechanism.

3. The system according to claim 1, further comprising a conveying mechanism (8), wherein a discharge port of the conveying mechanism (8) is connected to a feed port of the buffer storage bin (1).

4. The system according to claim 1, wherein the buffer storage bin (1) comprises a bin body (11) and a gravity opening and closing structure (9) rotatably connected to a feed inlet of the bin body (11).

5. The system for electrically breaking the cell core of claim 4, wherein the gravity opening and closing structure (9) comprises a cover plate (91) covering the feed inlet of the chamber body (11), a fixing member (92) arranged on the side wall of the chamber body (11), and a spring (93) connected between the cover plate (91) and the fixing member (92); one side of the cover plate (91) close to the spring (93) is rotationally connected above the bin body (11) through a rotating shaft.

6. The cell-charged crushing atmosphere system according to claim 5, characterized in that the spring (93) is movably adjustable along the length direction of the cover plate (91).

7. The system according to claim 1, wherein a uniform feeding mechanism (10) is arranged between the buffer storage bin (1) and the crusher (2).

8. The system of claim 7, wherein the uniform feeding mechanism (10) comprises a housing (101) and a blade (102) rotatably connected to the inside of the housing (101), and the blade (102) is driven by a motor to rotate.