CN215571448U

CN215571448U - Quick refrigeration equipment

Info

Publication number: CN215571448U
Application number: CN202120956340.7U
Authority: CN
Inventors: 许开华; 魏琼
Original assignee: GEM Co Ltd China; Jingmen GEM New Material Co Ltd
Current assignee: GEM Co Ltd China; Jingmen GEM New Material Co Ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2022-01-18
Anticipated expiration: 2031-05-06

Abstract

The utility model provides quick freezing equipment, which comprises a low-temperature drying mechanism, a freezing mechanism and a freezing mechanism, wherein the low-temperature drying mechanism comprises a low-temperature drying bin and a low-temperature drying device; the extreme-speed freezing mechanism comprises an extreme-speed freezing bin, a sliding track, a following freezing component and a liquid nitrogen supply component, wherein the extreme-speed freezing bin is communicated with the low-temperature drying bin; the utility model freezes the battery at the utmost speed, freezes and solidifies the electrolyte, thus reduce the activity of the electrolyte, reduce the release of energy in the electrolyte when broken, can effectively reduce the condition of explosion, and ensure the safety in production and the life safety of the staff.

Description

Quick refrigeration equipment

Technical Field

The utility model relates to the technical field of battery recovery, in particular to quick freezing equipment.

Background

China is the country with the fastest progress of electromotion and is also a big country for producing and selling new energy automobiles. The soft package battery is a third generation power battery developed on the basis of the original steel shell, aluminum shell and plastic shell batteries. The soft package lithium battery is packaged by an aluminum plastic film on a shell structure, and is widely applied to industries such as new energy automobiles, solar photovoltaic power generation and portable power lamps on the basis of the advantages of light dead weight, high space utilization efficiency, good heat dissipation performance, high safety and the like. With the use of a large amount of soft package batteries, after the soft package batteries are discarded due to failure, the soft package batteries contain abundant nickel, cobalt, manganese, lithium, copper, aluminum and other elements, so that resource recycling is necessary.

However, in practice, the waste soft package lithium ion battery often carries with electricity, so that in the mechanical crushing and recovery process, once the crushed materials of the positive and negative electrode sheets are stacked and directly contacted in the crushing process, a local short circuit is formed, a large amount of energy in the electrolyte is released to generate a large amount of heat, the risk of combustion and explosion is caused, the safety production is hindered, and the life safety of people is endangered.

SUMMERY OF THE UTILITY MODEL

The utility model provides quick freezing equipment, which aims to solve the problems of high activity of organic electrolyte and potential safety hazard during crushing.

The scheme for solving the technical problems is as follows:

a rapid chilling apparatus comprising:

the low-temperature drying mechanism comprises a low-temperature drying bin and a low-temperature drying device;

the extreme-speed freezing mechanism comprises an extreme-speed freezing bin, a sliding track, a following freezing component and a liquid nitrogen supply component, wherein the extreme-speed freezing bin is communicated with the low-temperature drying bin;

the transportation line, the transportation line at least part along the direction of transportation link up in proper order in the low temperature stoving storehouse reaches extremely fast freezing storehouse, low temperature drying device sets up in the low temperature stoving storehouse and can be right material on the transportation line carries out low temperature drying, the slip track is relative the transportation line parallel arrangement is in the preceding stage cooling storehouse, follow freezing subassembly with slip track sliding connection to can follow the slip track is followed material slip on the transportation line, and with the liquid nitrogen that liquid nitrogen supplied subassembly supplied spouts to the transportation line.

Further, the low-temperature drying device comprises an air blowing assembly, a low-temperature heating assembly and an exhaust fan, wherein the air blowing assembly is embedded in the low-temperature drying bin and can blow dry air into the low-temperature drying bin; the low temperature heating assembly is embedded on the inner wall of the low temperature drying bin and can be used for heating at low temperature in the low temperature drying bin, and the exhaust fan is embedded at the bottom of the low temperature drying bin and can exhaust gas in the low temperature drying bin to the outside.

Furthermore, the air blowing assembly comprises an air blower and a drying cylinder, the air outlet end of the air blower is positioned in the low-temperature drying bin, the air inlet end of the air blower is positioned outside the low-temperature drying bin and is in butt joint with one end of the drying cylinder, and a drying agent is filled in the drying cylinder.

Furthermore, the refrigeration component is a plurality of heating resistors, and the heating resistors are embedded on the inner wall of the front-stage cooling bin and are connected with a power supply to heat the low temperature inside the low-temperature drying bin.

Furthermore, the following freezing assembly comprises a slider, an annular pipe and a plurality of spray heads, the slider is connected with the sliding track in a sliding mode, the annular pipe is sleeved on the conveying line and fixed with the slider, an annular pipeline is arranged in the annular pipe and communicated with the liquid nitrogen supply assembly, the spray heads are fixed on the inner annular surface of the annular pipe and communicated with the annular pipeline, and the spraying direction of the spray heads faces towards the conveying line.

The utility model is provided with a low-temperature drying mechanism and a high-speed freezing mechanism, wherein the low-temperature drying mechanism is used for drying a battery at a low temperature, and the high-speed freezing mechanism comprises a high-speed freezing bin, a sliding track, a following freezing component and a liquid nitrogen supply component; follow the refrigeration subassembly with sliding rail sliding connection to can follow the sliding rail the battery slides, and with the liquid nitrogen that liquid nitrogen supply subassembly supplied spouts to the battery carries out utmost point quick freezing to the battery, thereby reduces the activity of the interior electrolyte of battery, can effectively reduce the condition emergence of explosion, ensured safety in production and staff's life safety.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:

FIG. 1 is a schematic structural diagram of a rapid cooling apparatus according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of fig. 1 following the freezer assembly.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model. The utility model is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.

As shown in fig. 1, a rapid freezing apparatus provided in an embodiment of the present invention includes a low-temperature drying mechanism 1, a very-fast freezing mechanism 2, and a transportation line 3, where the low-temperature drying mechanism 1, the very-fast freezing mechanism 2, and the crushing mechanism 3 are sequentially communicated, and the transportation line 3 at least partially penetrates through the low-temperature drying mechanism 1 and the very-fast freezing mechanism 2.

The low-temperature drying mechanism 1 comprises a low-temperature drying bin 11 and a low-temperature drying device 12, the conveying line 3 is partially communicated with the low-temperature drying bin 11, and the low-temperature drying device 12 can dry materials on the conveying line 3 at a low temperature.

The low-temperature drying bin 11 is provided with an openable or closable feeding hole 111, and the feeding hole 111 is butted with the part of the transportation line 3, which is positioned in the low-temperature drying bin 11; the batteries to be treated can be placed on the transport line 3 through the feed opening 111.

The low-temperature drying device 12 comprises an air blowing component 121, a low-temperature heating component 122 and an exhaust fan 123, wherein the air blowing component 121 is embedded in the low-temperature drying bin 11 and can blow dry air into the low-temperature drying bin 11; low temperature heating element 122 inlays to be established on 11 inner walls in low temperature drying storehouse, can be right low temperature heating in low temperature drying storehouse 11, air exhauster 123 inlays to be established 11 bottoms in low temperature drying storehouse can with the gas in low temperature drying storehouse 11 is arranged to the external world, maintains atmospheric pressure in low temperature drying storehouse 11 is balanced.

The air blowing assembly 121 includes an air blower 124 and a drying cylinder 125, an air outlet end of the air blower 124 is located in the low-temperature drying cabin 11, an air inlet end of the air blower 124 is located outside the low-temperature drying cabin 11 and is in butt joint with one end of the drying cylinder 125, and a drying agent is filled in the drying cylinder 125. The blower blows air dried by the drying cylinder 125 from the outside into the low temperature drying compartment 11. The batteries to be treated on the transport line 3 are kept dry.

The low-temperature heating assembly 122 is a plurality of heating resistors, and the heating resistors are embedded on the inner wall of the low-temperature drying bin 11 and are connected with a power supply, so that the low-temperature heating in the low-temperature drying bin 11 is realized. The battery is completely dried in the low temperature drying compartment 11.

The extreme fast refrigerating mechanism 2 comprises an extreme fast refrigerating bin 21 and an extreme fast refrigerating device 22, the conveying line 3 is partially communicated with the extreme fast refrigerating bin 21, and the extreme fast refrigerating device 22 can carry out extreme fast refrigerating treatment on the materials on the conveying line 3.

The extreme quick freezing bin 21 is communicated with the low-temperature drying bin 11, the extreme quick freezing bin 21 is provided with a plurality of one-way pressure release valves, and the one-way pressure release valves only allow the extreme quick freezing bin 21 to release pressure and exhaust air to the outside.

The extreme-speed freezing device 22 comprises a sliding rail 221, a following freezing assembly 222 and a liquid nitrogen supply assembly 223, wherein the sliding rail 221 is arranged in the pre-stage cooling bin 11 in parallel relative to the conveying line 3, the following freezing assembly 222 is connected with the sliding rail 221 in a sliding mode and can slide along the sliding rail 221 along with the materials on the conveying line 3, the liquid nitrogen supplied by the liquid nitrogen supply assembly 223 is sprayed to the conveying line 3, and extreme-speed freezing treatment is carried out on the materials on the conveying line 3.

As shown in fig. 2, the following freezing assembly 222 includes a slider 224, a ring pipe 225 and a plurality of nozzles 226, the slider 224 is slidably connected to the sliding rail 221, the ring pipe 225 is sleeved on the transportation line 3 and fixed to the slider 224, the ring pipe 225 has a ring pipe 227 therein, the ring pipe 227 is communicated with the liquid nitrogen supply assembly 223, the nozzles 226 are fixed to an inner circumferential surface of the ring pipe 225 and communicated with the ring pipe 227, and the nozzles 226 have a spraying direction toward the transportation line 3. The batteries are transported in the transport line 3 to the location of the following freezing assembly 222, the following freezing assembly 222 moves along with the batteries, and the spray head 226 sprays liquid nitrogen on the batteries on the transport line 3 to cool the batteries.

In this embodiment, in order to keep the air pressure in the rapid freezing chamber 21 balanced, a one-way relief valve 211 is disposed on the wall of the rapid freezing chamber 21, and when the one-way relief valve 211 reaches a predetermined air pressure, the one-way relief valve 211 only allows the air in the rapid freezing chamber 21 to flow to the outside, thereby maintaining the air pressure in the rapid freezing chamber 21.

Transport line 3 one end is located in preceding stage cooling storehouse 11, the other end is located in utmost point quick freezing storehouse 21 and be located broken storehouse 31 with the top of utmost point quick freezing storehouse 21 butt joint department, transport line 3's direction of delivery is from being located one end in preceding stage cooling storehouse 11 is to being located one end in the utmost point quick freezing storehouse 21.

During the use, will treat broken battery and put being located in low temperature stoving storehouse 11 transport line 3 is last, preceding stage heat sink 12 carries out elementary cooling to the battery, and the battery through low temperature stoving is followed transport line 3 transports in extremely quick freezing storehouse 21, follow and freeze subassembly 222 and move along with the battery, shower nozzle 226 is right the battery on the transport line 3 sprays liquid nitrogen, makes the temperature of battery reduce rapidly, makes the electrolyte in the battery freeze, and the activity reduces by a wide margin, transports next station and handles.

The utility model is provided with a low-temperature drying mechanism and a high-speed freezing mechanism, wherein the low-temperature drying mechanism is used for drying a battery at a low temperature, and the high-speed freezing mechanism comprises a high-speed freezing bin, a sliding track, a following freezing component and a liquid nitrogen supply component; follow freezing subassembly with sliding rail sliding connection to can follow the sliding rail the battery slides, and with the liquid nitrogen that liquid nitrogen supply assembly supplied spouts to the battery carries out utmost point quick freezing to the battery, makes the freezing solidification of electrolyte in the battery, thereby reduces the activity of electrolyte, reduces the release of energy in the electrolyte when broken, can effectively reduce the condition of explosion and take place, ensured safety in production and staff's life safety.

The foregoing is merely a preferred embodiment of the utility model and is not intended to limit the utility model in any manner; the present invention may be readily implemented by those of ordinary skill in the art as illustrated in the accompanying drawings and described above; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the utility model as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. A rapid chilling apparatus, comprising:

2. The rapid freezing equipment according to claim 1, wherein the low-temperature drying device comprises an air blowing component, a low-temperature heating component and an exhaust fan, the air blowing component is embedded in the low-temperature drying bin and can blow dry air into the low-temperature drying bin; the low temperature heating assembly is embedded on the inner wall of the low temperature drying bin and can be used for heating at low temperature in the low temperature drying bin, and the exhaust fan is embedded at the bottom of the low temperature drying bin and can exhaust gas in the low temperature drying bin to the outside.

3. The blast apparatus of claim 2, wherein the blower assembly comprises a blower and a drying cylinder, an air outlet end of the blower is located in the low-temperature drying chamber, an air inlet end of the blower is located outside the low-temperature drying chamber and is in butt joint with one end of the drying cylinder, and a drying agent is filled in the drying cylinder.

4. The rapid freezing apparatus of claim 2, wherein the cooling component is a plurality of heating resistors embedded in the inner wall of the pre-cooling chamber and connected to a power source for heating the interior of the low-temperature drying chamber at a low temperature.

5. The rapid freezing device according to claim 1, wherein the follow-up freezing assembly comprises a slider, a ring pipe and a plurality of nozzles, the slider is slidably connected with the sliding rail, the ring pipe is sleeved on the transportation line and fixed with the slider, a ring pipe is arranged in the ring pipe and communicated with the liquid nitrogen supply assembly, the nozzles are fixed on the inner ring surface of the ring pipe and communicated with the ring pipe, and the spraying direction of the nozzles faces to the transportation line.