CN108553928B

CN108553928B - Lithium battery material retrieves atomizing drying device

Info

Publication number: CN108553928B
Application number: CN201810163557.5A
Authority: CN
Inventors: 许开华; 闫梨
Original assignee: Grammy Corp; Jingmen GEM New Material Co Ltd
Current assignee: Grammy Corp; Jingmen GEM New Material Co Ltd
Priority date: 2018-02-27
Filing date: 2018-02-27
Publication date: 2021-06-15
Anticipated expiration: 2038-02-27
Also published as: CN108553928A

Abstract

The invention is suitable for the technical field of lithium battery recovery, and provides a lithium battery material recovery atomization drying device which comprises a drying chamber, a hot air conveyor, a material conveyor, a discharging device and a controller, the drying chamber comprises a spherical atomizing chamber, a heating layer is arranged outside the spherical atomizing chamber, a hot air layer is formed between the spherical atomizing chamber and the heating layer, the inner wall of the spherical atomization chamber is provided with a plurality of hot air nozzles communicated with the hot air layer, the middle shaft of the spherical atomization chamber is provided with a transfusion tube, the initial end of the infusion tube extends out of the drying chamber and is communicated with the feeder, the tail end of the infusion tube is positioned at the spherical center of the spherical atomization chamber and extends outwards along the radius direction to form a plurality of atomization tubes, the surface of each atomization tube is provided with a plurality of atomizing heads, the hot air conveyor is communicated to the hot air layer, and a discharge hole is formed in the bottom of the spherical atomizing chamber. The metal solution is atomized by the atomizing pipe, and the atomized gas is dried by hot air, so that the drying efficiency of the method is high.

Description

Lithium battery material retrieves atomizing drying device

Technical Field

The invention belongs to the technical field of lithium battery recovery, and particularly relates to a lithium battery material recovery, atomization and drying device.

Background

With the wide use of digital products such as mobile phones, notebook computers and other products, lithium ion batteries are widely applied to the products with excellent performance and are gradually developed to the application field of other products, the important raw materials for manufacturing the lithium batteries comprise cobalt, manganese and nickel, the cobalt, manganese and nickel contained on the earth are limited, and if the cobalt, manganese and nickel is consumed once, the cobalt, manganese and nickel are always used up for one day, so that the cobalt, manganese and nickel are particularly important to recycle from the waste batteries in order to ensure that the raw materials are continuously provided.

In the process of recovering cobalt, manganese and nickel from waste lithium batteries, a drying step of a solution containing cobalt, manganese and nickel is an important component in the recovery process, at present, a heating device is generally adopted to dry the solution containing cobalt, manganese and nickel and obtain metal solids, and because heat is easy to dissipate by only a heating method, the device has the disadvantages of large energy consumption, long time consumption, low working efficiency and difficult large-scale recovery.

Disclosure of Invention

In view of the above problems, the present invention aims to provide a lithium battery material recycling, atomizing and drying device, which aims to solve the technical problems of large energy consumption, low working efficiency, etc. of the conventional drying device.

The invention adopts the following technical scheme:

the lithium battery material recycling, atomizing and drying device comprises a drying chamber, a hot air conveyor, a material conveyor, a discharger and a controller, wherein the drying chamber comprises a spherical atomizing chamber, a heating layer is arranged outside the spherical atomizing chamber, a hot air layer is formed between the spherical atomizing chamber and the heating layer, the inner wall of the spherical atomizing chamber is provided with a plurality of hot air nozzles communicated with the hot air layer, a liquid conveying pipe is arranged in the middle shaft of the spherical atomizing chamber, the starting end of the liquid conveying pipe extends out of the drying chamber and is communicated with the material conveyor, the tail end of the liquid conveying pipe is positioned at the center of the sphere of the spherical atomizing chamber and outwards extends along the radius direction to form a plurality of atomizing pipes, the surface of each atomizing pipe is provided with a plurality of atomizing heads, the hot air conveyor is communicated with the hot air layer, the bottom of the spherical atomizing chamber forms a discharge, the hot air conveyor, the material conveyor and the heating layer are electrically connected to the controller.

Further, the transfer line initiating terminal with the conveying ware passes through the connecting pipe and connects, the part that the transfer line exposes the drying chamber is provided with anodal contact ring and negative pole contact ring, anodal contact ring periphery has the anodal brush of round, negative pole contact ring periphery has the negative pole brush of round, the drying chamber top still is used for the drive transfer line pivoted actuating mechanism, anodal brush and negative pole brush and actuating mechanism electric connection to the controller.

Furthermore, the connecting pipe is inserted into the infusion pipe, a bearing is arranged between the outer wall of the part of the connecting pipe inserted into the infusion pipe and the inner wall of the infusion pipe, and a sealing ring is arranged at the bottom of the bearing.

Furthermore, the hot air conveyor comprises a heating chamber positioned on the left side of the drying chamber, a wavy air supply pipe is installed in the heating chamber, a fan is arranged at an inlet of the wavy air supply pipe, and an outlet of the wavy air supply pipe is communicated with the hot air layer.

Further, the transfer line is two-layer structure, wherein the inlayer with the connecting pipe intercommunication, the skin is used for holding the wire that the atomizing pipe is connected with positive negative pole contact circle.

Furthermore, the discharger is inwards sunken to form a groove, and a channel outlet is formed in the side wall of the groove.

Furthermore, a heat-insulating layer is arranged outside the heating layer.

The invention has the beneficial effects that: in the invention, the lithium battery material recycling, atomizing and drying device comprises a drying chamber, wherein a spray pipe connected with a material conveyor through a liquid conveying pipe is arranged in the drying chamber, a solution containing cobalt, manganese and nickel enters the spray pipe in the drying chamber through the liquid conveying pipe and then enters the drying chamber in a spraying mode, hot air is conveyed into the drying chamber by a hot air conveyor to dry mist containing cobalt, manganese and nickel, the drying efficiency is higher through the dry mist, heat is not easy to dissipate, energy consumption is reduced, in order to further accelerate the drying efficiency, the tail end of the liquid conveying pipe is positioned at the center of the spherical atomizing chamber and outwards extends along the radius direction to form a plurality of atomizing pipes, a plurality of spray heads are arranged on the surface of each atomizing pipe, and the spraying amount is increased to increase the efficiency of the drying solution.

Drawings

FIG. 1 is a schematic structural diagram of a lithium battery material recycling, atomizing and drying device provided by an embodiment of the invention;

FIG. 2 is a schematic view of a connection structure of the brush, the infusion tube and the controller according to the embodiment of the present invention;

fig. 3 is a schematic structural view of a connection portion between a connection tube and an infusion tube according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In order to explain the technical means of the present invention, the following description will be given by way of specific examples.

Fig. 1 shows a schematic structural diagram of a lithium battery material recycling, atomizing and drying apparatus provided in an embodiment of the present invention, and only the parts related to the embodiment of the present invention are shown for convenience of description.

The lithium battery material recycling, atomizing and drying device provided by the embodiment of the invention comprises a drying chamber 1, a hot air conveyor 2, a material conveyor 3, a material outlet 4 and a controller 5, wherein the drying chamber 1 comprises a spherical atomizing chamber 11, a heating layer 12 is arranged outside the spherical atomizing chamber 11, a hot air layer 13 is formed between the spherical atomizing chamber and the heating layer 12, a plurality of hot air nozzles 14 communicated with the hot air layer 13 are arranged on the inner wall of the spherical atomizing chamber 11, an infusion tube 6 is arranged at the central shaft position of the spherical atomizing chamber 11, the initial end of the infusion tube 6 extends out of the drying chamber 1 and is communicated with the material conveyor 3, the tail end of the infusion tube 6 is positioned at the spherical center position of the spherical atomizing chamber 11 and extends outwards along the radius direction to form a plurality of atomizing tubes 7, a plurality of spray heads 71 are arranged on the surface of each atomizing tube 7, and the hot air conveyor 2 is, the spherical atomizing chamber 11 bottom forms discharge gate 15, discharger 4 is located discharge gate 15 below, hot-blast conveyer 2, feeder 3, zone of heating 12 electric connection to controller 5.

In the structure of the embodiment of the invention, the material conveyer provides the solution containing cobalt, manganese and nickel into the atomizing pipe in the atomizing chamber through the liquid conveying pipe, the atomizing pipe atomizes the solution containing cobalt, manganese and nickel, the spray containing cobalt, manganese and nickel is sprayed into the atomizing chamber through the spray head on the atomizing pipe, the hot air conveyer provides hot air to the inside of the heat sealing layer, as a preferable structure of the hot air conveyer in the embodiment, the hot air conveyer 2 comprises a heating chamber 21 positioned at the left side of the drying chamber, a wave-shaped blast pipe 22 is installed in the heating chamber 21, a fan 23 is arranged at the inlet of the wave-shaped blast pipe 22, the outlet of the wave-shaped blast pipe 22 is communicated with the hot air layer 13, the blast pipe is made into wave shape, the air entering the blast pipe from the outside is heated for sufficient time by the heating chamber, then enters the drying chamber, the hot air is input into the atomizing chamber through an air nozzle to dry the spray, through making the spray air-dry than directly with solution heat drying's effect better, efficiency is higher, in order to guarantee that the hot-blast of input atomizer chamber keeps certain temperature, spherical atomizer chamber has the zone of heating outward to be used for heating atomizer chamber and the intraformational gas of heat-seal, guarantee to have hot-blast air-dry the spray heating of certain temperature, in order to further increase the work efficiency of this device, the transfer line end is located spherical center position of spherical atomizer chamber and outwards extends along the direction of radius and form many atomizing pipes, every atomizing pipe surface is provided with a plurality of atomising heads, increases the efficiency of drying solution through increasing the spray volume, because in the process of atomizer chamber reaction, have partial spraying to be unable timely air-dried can flow from the discharge gate, or have partial spraying to contact atomizer chamber inner wall to form the night drip and flow from the discharge gate along the inner wall, for collecting above-mentioned solution, discharge device 4 of 15 below of discharge gate inwards caves in and forms the recess, the recess lateral wall is opened there is channel outlet 41, and the aforesaid is not flowed into the play by air-dried solution from the discharge gate and is collected in the recess of glassware after putting into the feeder again to in the waste, in order to prevent that the temperature in the drying chamber from scattering and disappearing, there is one deck heat preservation the heating layer outward, the controller is used for controlling hot-blast conveyer and carries hot-blastly to the atomizer indoor, and the control feeder carries metal solution to the atomizer intraductal, and the control heating layer maintains certain suitable temperature to the interior hot-blast heating of drying chamber.

In practical application, the outlet position of discharger connects cyclone and draught fan, and cyclone is used for separating the granule powder and the waste gas of discharger output, and waste gas is evacuated by the draught fan, and the granule powder is collected from cyclone. The cyclone and the induced draft fan are of conventional construction and will not be described in detail herein.

Further increase the drying rate of atomizing gas, as a preferred scheme, as shown in fig. 2, the infusion tube 6 initiating end with the feeder 3 is put through connecting pipe 31, the part that infusion tube 6 exposes drying chamber 1 is provided with anodal contact circle 51 and negative pole contact circle 52, anodal contact circle 51 periphery has a round anodal brush 53, negative pole contact circle 52 periphery has a round negative pole brush 54, drying chamber 2 top still is used for the drive the pivoted actuating mechanism 8 of infusion tube 6, anodal brush 53 and negative pole brush 54 and actuating mechanism 8 electric connection to controller 5. Through the control controller, the relative connecting pipe of drive structure drive transfer line rotates, simultaneously, and many atomizing pipes in the atomizer chamber also can rotate, increase atomizing gas and hot-blast contact rate to increase atomizing gas's drying rate, at the transfer line rotation in-process, the controller need control the atomizing pipe switch simultaneously, the controller with need connecting wire between the atomizing pipe, in order to make this scheme can implement, in this structure, as shown in fig. 3, transfer line 6 is two-layer structure, wherein inlayer 61 with the connecting pipe intercommunication, outer 62 are used for holding the wire that atomizing pipe 7 and positive negative pole contact circle are connected, the wire links to each other atomizing pipe and brush, the contact circle links to each other with the controller to make controller control atomizing pipe work.

In the structure of the embodiment of the present invention, the infusion tube needs to rotate relative to the connection tube, and considering that the connection tube and the infusion tube need to transmit metal solution, a specific connection structure of the connection tube and the infusion tube is disclosed in this embodiment, the connection tube 31 is inserted into the infusion tube 6, a bearing 63 is disposed between the outer wall of the part of the connection tube 31 inserted into the infusion tube 6 and the inner wall of the infusion tube 6, a sealing ring 64 is disposed at the bottom of the bearing 63, the connection tube and the infusion tube can rotate relative to the bearing, and in order to prevent liquid from leaching out, a sealing ring seal needs to.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. Lithium battery materials retrieves atomizing drying device, its characterized in that, including drying chamber, hot-blast conveyer, feeder, discharger and controller, the drying chamber includes spherical atomizer chamber, there is the zone of heating outside the spherical atomizer chamber, form the hot-blast layer between spherical atomizer chamber and the zone of heating, the inner wall of spherical atomizer chamber is provided with a plurality of and the communicating hot-blast air nozzle in hot-blast layer, spherical atomizer chamber axis position is provided with the transfer line, the transfer line initiating terminal stretches out the drying chamber is outer and with the feeder switch-on, the transfer line end is located the centre of sphere position of spherical atomizer chamber and outwards extends along the radius direction and form many atomizing pipes, and every atomizing pipe surface is provided with a plurality of atomising heads, hot-blast conveyer communicates to the hot-blast layer, spherical atomizer chamber bottom forms the discharge gate, the discharger is located discharge gate below, the hot air conveyor, the material conveyor and the heating layer are electrically connected to the controller; the starting end of the infusion tube is connected with the feeder through a connecting tube, the part of the infusion tube, which is exposed out of the drying chamber, is provided with a positive electrode contact ring and a negative electrode contact ring, a circle of positive electrode brush is arranged on the periphery of the positive electrode contact ring, a circle of negative electrode brush is arranged on the periphery of the negative electrode contact ring, the top of the drying chamber is also provided with a driving mechanism for driving the infusion tube to rotate, and the positive electrode brush, the negative electrode brush and the driving mechanism are electrically connected to the controller; the connecting pipe inserts in the transfer line, the connecting pipe inserts the interior partial outer wall of transfer line with be provided with the bearing between the transfer line inner wall, the bearing bottom is provided with the sealing washer, the transfer line is two-layer structure, wherein the inlayer with the connecting pipe intercommunication, the outer wire that is used for holding atomizing pipe and positive negative pole contact ring and is connected.

2. The lithium battery material recycling, atomizing and drying device as set forth in claim 1, wherein the hot air conveyer comprises a heating chamber located at the left side of the drying chamber, a wavy air supply pipe is installed in the heating chamber, a fan is installed at an inlet of the wavy air supply pipe, and an outlet of the wavy air supply pipe is communicated with the hot air layer.

3. The lithium battery material recycling, atomizing and drying device as set forth in claim 2, wherein the discharging device is recessed inward to form a groove, and a channel outlet is formed on a side wall of the groove.

4. The lithium battery material recycling, atomizing and drying device as set forth in claim 3, wherein an insulating layer is formed outside the heating layer.