CN209124390U - Lithium battery processing mixing screening plant - Google Patents

Abstract

The utility model relates to the field of environmental protection, in particular to a mixing and screening device for lithium battery processing, which comprises a shredder, a crusher, an air separator, a magnetic separator conveyor, a pulverizer, an analyzer, and an air separator which are connected in sequence. The upper end of the machine is provided with a second outlet, the second outlet of the air separator is connected with a front-end diaphragm paper collection device, the analyzer is provided with a first outlet and a second outlet, and the first outlet of the analyzer is connected with a rear-end diaphragm paper The collecting device, the second outlet of the analyzer is connected with a front-end screening device, the front-end screening device is also connected with a grinding machine, and the discharge port of the grinding machine is connected with a rear-end screening device. The multiple recycling and screening of the available materials can fully separate the available materials in the lithium battery, improve the recovery efficiency of the available materials in the lithium battery, and thus improve the economic benefits.

Description

Mixing and screening device for lithium battery treatment

technical field

The utility model relates to the field of environmental protection, in particular to a mixing and screening device for lithium battery processing.

Background technique

With the continuous advancement of science and technology, the development of the electronic technology industry is getting stronger and stronger, the replacement of electronic products is getting faster and faster, and the number of waste lithium batteries is gradually increasing. The random disposal of waste lithium batteries will cause great pollution to the environment. Mobile phone batteries are processed in a centralized manner. In the early stage, the treatment of waste batteries is usually carried out by deep-sea burial. Although deep-sea burial has little impact on human life in a short period of time, the long-term treatment of waste circuit boards in this way will cause environmental pollution. Serious, especially the pollution of seawater and soil, in addition to deep sea burial, chemical treatment is often used, usually strong acid or strong alkali is used to corrode the components in the mobile phone battery, and then the solution is processed to achieve the mobile phone battery. For the purpose of recycling, however, the wastewater produced by chemical treatment pollutes water resources seriously and affects people's drinking water safety.

In order to reduce the pollution to the environment, an attempt has been made to use physical and mechanical crushing to process waste lithium batteries. However, the existing processing system cannot screen the crushed materials of lithium batteries well, resulting in crushed materials of lithium batteries. The extraction efficiency is low, thus resulting in great waste.

Utility model content

The purpose of the utility model is to overcome the deficiencies in the prior art, and to provide a mixing and screening device for lithium battery processing, which can fully separate the materials in the lithium battery by recycling and screening the available materials for many times during the processing of the lithium battery. It can improve the recovery efficiency of the available materials in the lithium battery, thereby improving the economic benefits.

The utility model is realized by the following technical solutions: a mixing and screening device for lithium battery processing, comprising a shredder, a crusher, an air separator, a magnetic separation conveyor, a pulverizer, and an analyzer connected in sequence, and the The upper end of the air separator is provided with a second outlet, the second outlet of the air separator is connected with a front-end diaphragm paper collecting device for collecting diaphragm paper, and the analyzer is provided with a first outlet and a second outlet, The first outlet of the analyzer is connected with a rear-end diaphragm paper collection device for collecting diaphragm paper, and the second outlet of the analyzer is connected with a front-end screen for screening positive and negative electrode powder, copper powder, and aluminum powder. The front-end screening device is also connected with a grinder, and a back-end screening device for screening positive and negative electrode powder, copper powder and aluminum powder is connected to the discharge port of the grinder.

Further, the front-end diaphragm paper collecting device includes an induced draft fan II and a collector I connected in sequence, the induced draft fan II is connected to the airflow separator, and the collector I adopts a cyclone dust collector.

Further, the rear-end diaphragm paper collecting device includes a collector II, and the collector II adopts a four-stage cyclone dust collector.

Further, the front-end screening device comprises a rocking screen and an accumulator III which are connected in sequence, and the rocking screen is connected with the analyzer.

Further, the rear-end screening device includes a collector IV and a vibrating screen connected in sequence, and the collector IV is connected with the grinding machine.

The beneficial effect of the utility model is that: the utility model can fully separate the available materials in the lithium battery through the multiple recovery and screening of the available materials in the lithium battery treatment process, and improve the recovery efficiency of the available materials in the lithium battery, The economic benefits are further improved. The front-end separator paper collecting device is used to collect the separator paper in the crushed lithium battery, and the rear-end separator paper collecting device is used to collect the separator paper from the crushed lithium battery. The separator paper has been separated after two times. Complete separation, the magnetic separation conveyor can screen the iron in the lithium battery, the swing screen can separate the positive and negative powder, copper and aluminum in the crushed lithium battery, and the large particles screened by the rotary vibrating screen enter the grinder for grinding. , and then enter the rotary vibrating screen to separate the positive and negative powder, copper and aluminum.

Description of drawings

FIG. 1 is a connection structure diagram of Embodiment 1 of the present utility model.

Detailed ways

In the description of the present invention, it should also be noted that, unless otherwise expressly specified and limited, the terms "arrangement", "installation", "connection" and "connection" should be understood in a broad sense, for example, it may be a fixed connection It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example 1

As shown in Figure 1, the mixing and screening device for lithium battery treatment includes a shredder, a crusher, an air separator, a magnetic separation conveyor, a pulverizer, and an analyzer connected in sequence. The air separator is used for sorting The separator paper in the crushed lithium battery is discharged. The upper end of the air separator is processed with a second outlet. The second outlet of the air separator is connected with a front-end separator paper collecting device for collecting the separator paper. The front-end separator paper collecting device includes: The induced draft fan II and the accumulator I are connected in sequence. The diaphragm paper is screened by the air separator, blown out from the mixed material in the crushed lithium battery, and then sucked by the induced draft fan into the accumulator I, where the aggregates are collected. Device I adopts a cyclone dust collector, and a magnetic separation conveyor is used to screen out the iron in the mixed material and then send the mixed material to the analyzer.

A first outlet and a second outlet are processed on the analyzer, the first outlet of the analyzer is connected with a rear-end diaphragm paper collecting device for collecting diaphragm paper, and the second outlet of the analyzer is connected with a screen for screening positive and negative powder and The front-end screening device for copper powder and aluminum powder, and the rear-end diaphragm paper collection device include a collector II. The collector II adopts a four-stage cyclone dust collector. The mixed material is pulverized by a pulverizer and then enters the analyzer. The separator paper is blown into the accumulator II to complete the collection of the back-end diaphragm paper. The front-end screening device includes a swinging screen and a collecting device III connected in sequence. The swinging screen is used to remove the positive and negative electrode powder, copper It is separated from aluminum, and the discharge port of the swing screen is also connected with a grinder. The grinder is used to grind the materials that have not been screened out into powder, and then transport it to the back-end screening device through the pipeline. The back-end screening device includes sequential connections. The collector IV, rotary vibrating screen is used to sieve the ground powder, and separate the positive and negative powder, copper and aluminum sieves.

When working, the lithium battery is first shredded by the shredder, and then enters the shredder to be shredded into large granular mixture, and then enters the air separator to remove the separator paper in the mixture, and then enters the magnetic separation conveyor. The iron in the mixed material is removed, and then the mixed material enters the pulverizer, the pulverizer pulverizes the mixed material into small particles, and then the separator paper is removed by the analyzer, and then the positive and negative electrodes are transported into the swing screen through the pipeline to remove the positive and negative electrodes. , copper and aluminum sieves are separated, and then the small granular mixture that has not been screened out is transported to the grinder through the pipeline, and the grinder grinds the small granular mixture into powder, and finally sieves out the small granular mixture through the vibrating screen. Positive and negative, powder, copper and aluminum.

Finally, it should be noted that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. , it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements to some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model, All should be included within the protection scope of the present invention.

Claims (5)

1. a lithium battery processing mixing and screening device is characterized in that: comprising a shredder, a crusher, an air separator, a magnetic separator, a pulverizer, an analyzer connected successively, and the air separator is The upper end is provided with a second outlet, the second outlet of the air separator is connected with a front-end diaphragm paper collecting device for collecting diaphragm paper, the analyzer is provided with a first outlet and a second outlet, and the analyzer The first outlet is connected with a rear-end diaphragm paper collection device for collecting diaphragm paper, and the second outlet of the analyzer is connected with a front-end screening device for screening positive and negative electrode powder, copper powder, and aluminum powder. A grinding machine is also connected to the screening device, and a rear-end screening device for screening positive and negative electrode powder, copper powder and aluminum powder is connected to the discharge port of the grinding machine. 2. The mixing and screening device for lithium battery processing according to claim 1, wherein the front-end diaphragm paper collecting device comprises an induced draft fan II and a collector I connected in sequence, and the induced draft fan II is separated from the airflow. Select machine connection, the collector I adopts cyclone dust collector. 3 . The mixing and screening device for lithium battery processing according to claim 1 , wherein the rear-end diaphragm paper collecting device comprises a collector II, and the collector II adopts a four-stage cyclone dust collector. 4 . 4 . The mixing and screening device for lithium battery processing according to claim 1 , wherein the front-end screening device comprises a rocking screen and a collector III connected in sequence, and the rocking screen is connected to the analyzer. 5 . 5 . The mixing and screening device for lithium battery processing according to claim 1 , wherein the rear-end screening device comprises an accumulator IV and a vibrating screen connected in sequence, and the accumulator IV is connected to a grinder. 6 . connect.