CN111804587A - Aortic aerodynamic flow sorting system - Google Patents

Aortic aerodynamic flow sorting system Download PDF

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Publication number
CN111804587A
CN111804587A CN202010574423.XA CN202010574423A CN111804587A CN 111804587 A CN111804587 A CN 111804587A CN 202010574423 A CN202010574423 A CN 202010574423A CN 111804587 A CN111804587 A CN 111804587A
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CN
China
Prior art keywords
sorting
section
airflow
discharging
feeder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010574423.XA
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Chinese (zh)
Inventor
胡品龙
何亚群
谢卫宁
黄艰生
符杰
陈琳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China University of Mining and Technology CUMT
Jiangsu Huahong Technology Co Ltd
Original Assignee
China University of Mining and Technology CUMT
Jiangsu Huahong Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China University of Mining and Technology CUMT, Jiangsu Huahong Technology Co Ltd filed Critical China University of Mining and Technology CUMT
Priority to CN202010574423.XA priority Critical patent/CN111804587A/en
Publication of CN111804587A publication Critical patent/CN111804587A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B7/00Selective separation of solid materials carried by, or dispersed in, gas currents
    • B07B7/01Selective separation of solid materials carried by, or dispersed in, gas currents using gravity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B04CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04CAPPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C9/00Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B11/00Arrangement of accessories in apparatus for separating solids from solids using gas currents
    • B07B11/02Arrangement of air or material conditioning accessories
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B11/00Arrangement of accessories in apparatus for separating solids from solids using gas currents
    • B07B11/04Control arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B11/00Arrangement of accessories in apparatus for separating solids from solids using gas currents
    • B07B11/06Feeding or discharging arrangements

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  • Combined Means For Separation Of Solids (AREA)

Abstract

The invention relates to an active airflow sorting system, which comprises a sorting airflow generation section, a feeding section, a first discharging section, a second discharging section, a dedusting section and a sorting section, wherein the sorting airflow generation section is used for generating sorting airflow; the sorting airflow generation section is horizontally arranged at the bottom, the feeding section is provided with a feeder, the top of the feeder is connected with a feed hopper, and a discharge port of the feeder is connected to the middle part of the sorting section through a feed pipe; the first discharging section is arranged at the bottom of the sorting section, the second discharging section is a cyclone separator, and an air inlet of the draught fan of the dust removing section is connected with an air outlet of the cyclone separator through an air exhaust bent pipe; the sorting section is a vertically arranged air pipe. The active arterial air flow sorting system provided by the invention is specially designed for the sizes and specifications of copper foils and aluminum foils contained in waste battery crushed products, so that sorting and centralized recycling of 2 materials are realized, and the recycling efficiency is greatly improved.

Description

Aortic aerodynamic flow sorting system
Technical Field
The invention relates to a mixture airflow sorting system, in particular to a system for sorting by adopting main flowing airflow.
Background
In the waste product recycle field, except carrying out the breakage to the bulk product and becoming the fritter spare part, it is very important to select separately just to the part piece of difference still to with the attribute, with the gathering together of material, make things convenient for recycle, wherein the air current is selected separately and is utilized the density difference of piece, carries out categorised recovery with the piece of different materials.
In the field of scraped car recycling, the recycling of steel structure parts such as car shells and the like is very high at present, but the recycling difficulty of batteries contained in scraped cars is high; generally, it is important to sort and recover metal substances contained in crushed waste batteries, in addition to the battery liquid, and particularly, the batteries are rich in copper foil and aluminum foil which are both nonferrous metals, so that effective sorting is difficult to achieve by adopting conventional magnetic separation and other technologies.
An airflow separation screening device for waste lithium battery recovery processing with the Chinese patent publication No. CN109894364A discloses a device for separating by adopting airflow as a separation medium, but mainly screens waste paper, dust, wood and other impurities mixed in a recovered whole battery pack, and does not relate to the separation work after the battery is crushed.
In addition, a gravity separation system for crushed lithium battery materials disclosed in chinese patent publication No. CN107790382A, a waste lithium battery separation device for automatically adjusting air flow based on the coanda effect disclosed in chinese patent publication No. CN110918459A, a crushed lithium battery separation apparatus disclosed in chinese patent publication No. CN209349045U, a waste power lithium battery dry recovery system disclosed in chinese patent publication No. CN110581322A, and other disclosed technologies, fine separation of the crushed mixed materials of batteries is attempted, and air flow separation is also commonly adopted, but the air flow separation is generally set to a specific air flow size according to a specific density of the materials, so that the separation is performed by settling at different distances; however, the technology is limited by the size of the crushed material, the blowing force is different, the settling distance generated by the gravity matching is related, a parabolic settling area is generated, a certain cross overlapping area exists, and the sorting is not thorough.
Therefore, a set of special equipment needs to be designed for effectively recycling the copper foil and the aluminum foil contained in the crushed waste battery products so as to efficiently realize the separation.
Disclosure of Invention
The invention aims to provide an active airflow sorting system which can realize effective centralized recovery treatment of copper foils and aluminum foils contained in crushed waste batteries.
In order to achieve the aim of the invention, the invention provides an aortic aerodynamic flow sorting system which is characterized by comprising a sorting airflow generation section, a feeding section, a first discharging section, a second discharging section, a dedusting section and a sorting section;
the sorting airflow generation section is horizontally arranged at the bottom and comprises a driving fan, a valve, a vortex shedding flowmeter and a pulsating valve; the 4 main components are sequentially connected through a pipeline and are upwards connected to a bottom air inlet of the sorting section through a driving bent pipe;
the feeding section is provided with a feeder, the top of the feeder is connected with a feed hopper, the crushed waste battery products to be separated are mixed and fed through the feeder, and a discharge port of the feeder is connected to the middle part of the separation section through a feed pipe;
the first discharging section is arranged at the bottom of the sorting section and comprises a first discharging machine; the top of the first discharging machine is connected to a bottom discharging port of the sorting section through a discharging pipe;
the second discharging section is a cyclone separator, and an air inlet of the cyclone separator is connected with an air outlet of the sorting section; the cyclone separator is provided with an inverted conical separation hopper and a second discharging machine; one side of the top of the inverted cone-shaped separation hopper is connected with an air outlet of the sorting section through an air outlet bent pipe, and the second discharging machine is installed at the bottom of the inverted cone-shaped separation hopper;
the dust removal section comprises an induced draft fan, and an air inlet of the induced draft fan is connected with an air outlet of the cyclone separator through an air exhaust bent pipe;
the sorting section is a vertically arranged air pipe; the bottom of the sorting section is provided with a first sorting column which is connected with a plurality of second sorting columns; the top of the second sorting column group is provided with a bifurcation joint, a vertical pipe of the bifurcation joint is vertically communicated with the second sorting columns, and the side surface of the bifurcation joint is obliquely and upwards connected with the feeding section.
As a further improvement of the invention, a flow dividing cylinder is arranged below the first separation column at the bottom of the separation section, an air outlet of the driving bent pipe is arranged in the middle of the flow dividing cylinder, and an outer ring of the flow dividing cylinder is a feed inlet of the first discharging section and is connected with the discharge pipe.
Furthermore, an air distribution plate is arranged on an air outlet of the active bent pipe in the flow distribution cylinder and fixed on the air outlet of the active bent pipe through a pipe head.
Further, the air distribution plate comprises a first sponge, cotton fabrics and a second sponge; the first sponge, the cotton fabric and the second sponge are sequentially arranged from top to bottom.
As a further improvement of the invention, the first sorting column is a cylinder made of cast iron material; the second sorting column is a cylinder made of transparent organic glass; the third sorting column is a cylinder made of transparent organic glass.
As a further improvement of the invention, the sorting gas flow generation section generates a pulsating acceleration gas flow in the sorting section through the pulsating valve; the pulse frequency of the sorting airflow is controlled by a speed regulating motor which is connected with the pulse valve and controlled by a frequency converter; the pulsation valve is a pulsation butterfly valve, and clearance opening and closing of a pipeline are realized through rotation of a valve core of the butterfly valve, so that pulsation airflow is generated.
Further, the feeder of the feeding section performs gap feeding according to the operating frequency of the pulsating valve of the sorting airflow generation section; when the pulsating airflow rises, the feeder is started to carry out proper feeding, so that the materials to be sorted are sorted in the pulsating airflow, the copper foil with higher density is settled in the airflow, and the aluminum foil with lower density and other scraps rise in the airflow and enter the second discharging section.
According to the active pneumatic sorting system, the sorting section generates pulsating airflow in the sorting section through the sorting airflow generation section, and the acceleration of the pulsating airflow is adjusted according to the density difference of copper foils and aluminum foils to be sorted; the larger the acceleration of the pulsating airflow is, the larger the pulsating acceleration obtained by the particles to be sorted is, and the acceleration obtained by the particles in the pulsating airflow is inversely proportional to the density of the particles, namely, the larger the density of the particles is, the smaller the obtained pulsating acceleration is, and the particles tend to settle; the smaller the particle density is, the larger the pulsating acceleration obtained by the particle density is, and the particles tend to rise; and adjusting the acceleration of the pulsating airflow until the copper foil is settled to the first discharging section, and the aluminum foil rises along with the airflow and enters the second discharging section.
The sorting airflow generation section is continuously provided with airflow, so that the condition that separated particles with different densities generate larger downward acceleration when pulsating airflow is suspended, particle mismatching is caused, and the sorting effect is influenced is avoided.
The sorting section is vertically arranged, the main flowing airflow also vertically rises to blow the debris particles entering the middle section, the feeder of the feeding section also carries out gap feeding according to the operating frequency of the pulsating valve of the sorting airflow generation section, when the pulsating airflow rises, the feeder is started to carry out proper feeding, so that the materials to be sorted are sorted in the pulsating airflow, the copper foil with higher density is settled in the airflow, and the aluminum foil with lower density and other debris rise in the airflow and enter the second discharging section.
In the second ejection of compact section, air velocity greatly reduced, and along the back taper separation fill rotates to sink, and the aluminium foil subsides to in the second ejection of compact this moment, and the lighter plastic film of density, impurity such as dust are then by the section suction of removing dust, and discharge.
Compared with the existing pulsating airflow sorting device, the pulsating airflow sorting system for the main artery of the invention has the advantages that the special structural design is carried out according to the sizes and specifications of copper foils and aluminum foils contained in the crushed products of the waste batteries, the sorting and the centralized recycling of 2 materials are realized, the impurities such as dust, plastic films and the like are discharged, the centralized recycling of 2 materials can be realized at one time, and the recycling efficiency is greatly improved.
According to the active airflow sorting system, the special structural design is carried out on the flow dividing cylinder, so that the active airflow vertically rises, the back-and-forth convection of the airflow in the sorting column cylinder is avoided, and the sorting accuracy of the airflow is greatly improved; meanwhile, the transparent organic glass barrel is locally adopted, so that the internal sorting condition can be conveniently checked, and the sorting efficiency is maximized.
Drawings
FIG. 1 is a schematic diagram of the overall configuration of the active aortic air flow sorting system of the present invention;
FIG. 2 is a schematic view of the overall structure of the shunt cylinder of the present invention;
FIG. 3 is a schematic view of the internal structure of the shunt cylinder of the present invention;
fig. 4 is a schematic structural view of the air distribution plate of the present invention.
Detailed Description
The invention is further described below with reference to the following figures and specific examples.
As shown in fig. 1, the main aerodynamic flow sorting system of the present invention is a schematic overall structure diagram, and includes a sorting airflow generation section, a feeding section, a first discharging section, a second discharging section, a dust removal section, and a sorting section.
The sorting airflow generation section is horizontally arranged at the bottom and comprises a driving fan 11, a valve 12, a vortex flowmeter 13 and a pulsating valve 14; the 4 main parts are connected in sequence through pipelines and are finally upwards connected to the bottom air inlet of the sorting section through a driving bent pipe 15.
The feeding section is provided with a feeder 21, the top of the feeder 21 is connected with a feed hopper, mixed materials are slowly fed through the feeder 21 as required, and a discharge port of the feeder 21 is connected to the middle of the sorting section through a feed pipe 22.
The first discharging section is arranged at the bottom of the sorting section and comprises a first discharging machine 31; the top of the first discharging machine 31 is connected to a bottom discharging hole of the sorting section through a discharging pipe 32.
The second discharging section is a cyclone separator, and an air inlet of the cyclone separator is connected with an air outlet of the sorting section; the cyclone separator is provided with an inverted conical separation hopper 41 and a second discharging machine 42; one side of the top of the inverted cone-shaped separation hopper 41 is connected with the air outlet of the sorting section through an air outlet bent pipe 64, and the second discharging machine 42 is installed at the bottom of the inverted cone-shaped separation hopper 41.
The dust removal section comprises an induced draft fan 51, and an air inlet of the induced draft fan 51 is connected with an air outlet of the cyclone separator through an air exhaust bent pipe 52.
The sorting section is a vertically arranged air pipe which is connected by adopting a plurality of sections of pipelines and can be added or removed according to the physical characteristics of the mixture to be sorted and the performances of components such as the sorting airflow generation section and the like. The bottom of the sorting section is provided with a first sorting column 61 which is made of cast iron material and plays a role in bearing; the first sorting column 61 is connected with a plurality of second sorting columns 62, and the second sorting columns 62 are cylinders made of organic glass, so that the internal conditions can be checked conveniently; the tops of the second sorting columns 62 are provided with branch joints, the vertical pipes of the branch joints are vertically communicated with the second sorting columns 62, and the side surfaces of the branch joints are obliquely and upwardly connected with the feeding sections.
A plurality of third sorting columns 63 are connected above the branching joint, and finally the third sorting columns are connected to the second discharging section through an air outlet bent pipe 64; the third sorting column 63 is also a cylinder made of organic glass, and the internal condition can be conveniently checked.
As shown in fig. 2, a flow dividing tube 16 is disposed at the bottom of the sorting section below the first sorting column 61, an air outlet of the active bend 15 is disposed in the middle of the flow dividing tube 16, and an outer ring of the flow dividing tube 16 is a feed inlet of the first discharging section and is connected to the discharge pipe 32.
As shown in fig. 3 and 4, an air distribution plate 7 is disposed at an air outlet of the active bent pipe 15 in the flow dividing cylinder 16, and the air distribution plate 7 is fixed to the air outlet of the active bent pipe 15 through a pipe head 71; the air distribution plate 7 comprises a first sponge 72, a cotton fabric 73 and a second sponge 74; the first sponge 72, the cotton fabric 73 and the second sponge 74 are sequentially arranged from top to bottom; the first sponge 72 and the second sponge 74 play a role in buffering air flow; the cotton fabric 73 is clamped between the first sponge 72 and the second sponge 74, and the cotton fabric 73 plays a role in uniformly distributing air flow through tighter gaps. The air distribution plate 7 is arranged to enable the ascending air flow to be uniformly distributed.
According to the active pneumatic sorting system, the sorting section generates pulsating airflow in the sorting section through the sorting airflow generation section, and the acceleration of the pulsating airflow is adjusted according to the density difference of copper foils and aluminum foils to be sorted; the larger the acceleration of the pulsating airflow is, the larger the pulsating acceleration obtained by the particles to be sorted is, and the acceleration obtained by the particles in the pulsating airflow is inversely proportional to the density of the particles, namely, the larger the density of the particles is, the smaller the obtained pulsating acceleration is, and the particles tend to settle; the smaller the particle density is, the larger the pulsating acceleration obtained by the particle density is, and the particles tend to rise; and adjusting the acceleration of the pulsating airflow until the copper foil is settled to the first discharging section, and the aluminum foil rises along with the airflow and enters the second discharging section.
The sorting airflow generation section is continuously provided with airflow, so that the condition that separated particles with different densities generate larger downward acceleration when pulsating airflow is suspended, particle mismatching is caused, and the sorting effect is influenced is avoided.
The sorting gas flow generation section generates pulsating acceleration gas flow in the sorting section through the pulsating valve 14; the pulse frequency of the sorting airflow is controlled by a speed regulating motor which is controlled by a frequency converter and connected with the pulse valve 14, the pulse valve 14 is a pulse butterfly valve, and the pipeline is opened and closed in a clearance manner by the rotation of a valve core of the butterfly valve to generate pulse airflow.
The sorting section is vertically arranged, the main flowing airflow also vertically rises to blow the debris particles entering the middle section, the feeder 21 of the feeding section also carries out gap feeding according to the operating frequency of the pulsating valve 14 of the sorting airflow generation section, when the pulsating airflow rises, the feeder 21 is started to carry out proper feeding, so that the materials to be sorted are sorted in the pulsating airflow, the copper foil with higher density is settled in the airflow, and the aluminum foil with lower density and other debris rise in the airflow and enter the second discharging section.
In the second discharging section, the air velocity is greatly reduced, and the air velocity is rotationally sunk along the inverted cone-shaped separating hopper 41, at this time, the aluminum foil is sunk into the second discharging machine 42, and the impurities such as plastic films with lighter density and dust are sucked out from the dust removing section and discharged.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the embodiments disclosed, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims (7)

1. The active arterial airflow sorting system is characterized by comprising a sorting airflow generation section, a feeding section, a first discharging section, a second discharging section, a dedusting section and a sorting section;
the sorting airflow generation section is horizontally arranged at the bottom and comprises a driving fan, a valve, a vortex shedding flowmeter and a pulsating valve; the 4 main components are sequentially connected through a pipeline and are upwards connected to a bottom air inlet of the sorting section through a driving bent pipe;
the feeding section is provided with a feeder, the top of the feeder is connected with a feed hopper, the crushed waste battery products to be separated are mixed and fed through the feeder, and a discharge port of the feeder is connected to the middle part of the separation section through a feed pipe;
the first discharging section is arranged at the bottom of the sorting section and comprises a first discharging machine; the top of the first discharging machine is connected to a bottom discharging port of the sorting section through a discharging pipe;
the second discharging section is a cyclone separator, and an air inlet of the cyclone separator is connected with an air outlet of the sorting section; the cyclone separator is provided with an inverted conical separation hopper and a second discharging machine; one side of the top of the inverted cone-shaped separation hopper is connected with an air outlet of the sorting section through an air outlet bent pipe, and the second discharging machine is installed at the bottom of the inverted cone-shaped separation hopper;
the dust removal section comprises an induced draft fan, and an air inlet of the induced draft fan is connected with an air outlet of the cyclone separator through an air exhaust bent pipe;
the sorting section is a vertically arranged air pipe; the bottom of the sorting section is provided with a first sorting column which is connected with a plurality of second sorting columns; the top of the second sorting column group is provided with a bifurcation joint, a vertical pipe of the bifurcation joint is vertically communicated with the second sorting columns, and the side surface of the bifurcation joint is obliquely and upwards connected with the feeding section.
2. The aortic aerodynamic flow separation system of claim 1 wherein a splitter cylinder is provided at the bottom of the separation section below the first separation column, the middle of the splitter cylinder is an outlet of the active bend, and the outer ring of the splitter cylinder is a feed inlet of the first discharge section and is connected to the discharge pipe.
3. The aortic aerodynamic flow separation system of claim 2, wherein an air distribution plate is disposed at the air outlet of the active elbow in the splitter cylinder, and the air distribution plate is fixed to the air outlet of the active elbow by a pipe head.
4. The aortic aerodynamic sorting system of claim 3 wherein the air distribution plate comprises a first sponge, cotton fabric, a second sponge; the first sponge, the cotton fabric and the second sponge are sequentially arranged from top to bottom.
5. The aortic pneumatic flow sorting system of claim 1 wherein the first sorting column is a cylinder made of cast iron; the second sorting column is a cylinder made of transparent organic glass; the third sorting column is a cylinder made of transparent organic glass.
6. The aortic pneumatic flow sorting system of claim 1 wherein the sorting flow generating section generates a pulsating accelerated flow within the sorting section through the pulsating valve; the pulse frequency of the sorting airflow is controlled by a speed regulating motor which is connected with the pulse valve and controlled by a frequency converter; the pulsation valve is a pulsation butterfly valve, and clearance opening and closing of a pipeline are realized through rotation of a valve core of the butterfly valve, so that pulsation airflow is generated.
7. The aortic pneumatic flow sorting system of claim 6 wherein the feeder of the feeding section performs gap feeding according to the operating frequency of the pulsing valve of the sorting flow generating section; when the pulsating airflow rises, the feeder is started to carry out proper feeding, so that the materials to be sorted are sorted in the pulsating airflow, the copper foil with higher density is settled in the airflow, and the aluminum foil with lower density and other scraps rise in the airflow and enter the second discharging section.
CN202010574423.XA 2020-06-22 2020-06-22 Aortic aerodynamic flow sorting system Pending CN111804587A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114308661A (en) * 2022-01-06 2022-04-12 宁夏大学 Dry type separation device and method for broken waste lead-acid storage battery
CN115084703A (en) * 2022-08-18 2022-09-20 深圳市杰成镍钴新能源科技有限公司 Retired power battery recycling method, device and system

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CN204912071U (en) * 2015-08-14 2015-12-30 中国水稻研究所 Cereal sorting unit
CN206631921U (en) * 2017-02-16 2017-11-14 湖北长江源制药有限公司 A kind of vertical pneumatic separation device for medicinal material
CN207576930U (en) * 2017-11-29 2018-07-06 阳泉中创陶粒有限公司 A kind of pneumatic separation device for reducing foundry sand clay content

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Publication number Priority date Publication date Assignee Title
CN1400061A (en) * 2001-08-03 2003-03-05 清华同方股份有限公司 Gas-solid cyclone separation method capable of reducing wear and its equipment
CN1868609A (en) * 2005-05-25 2006-11-29 中国矿业大学 Driving type pulse pneumatic separation equipment
CN201124125Y (en) * 2007-11-23 2008-10-01 于广彦 Shunt cylinder shunt type cyclone separating device
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CN103691546A (en) * 2013-12-19 2014-04-02 威海顺宝金属制品有限公司 Coarse coal slime sorting machine
CN103773960A (en) * 2014-01-20 2014-05-07 中国矿业大学 Dry method recovery process of re-integrated waste industrial catalyst and device thereof
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CN207576930U (en) * 2017-11-29 2018-07-06 阳泉中创陶粒有限公司 A kind of pneumatic separation device for reducing foundry sand clay content

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114308661A (en) * 2022-01-06 2022-04-12 宁夏大学 Dry type separation device and method for broken waste lead-acid storage battery
CN114308661B (en) * 2022-01-06 2023-11-24 宁夏大学 Dry separation device and method for broken objects of waste lead-acid storage batteries
CN115084703A (en) * 2022-08-18 2022-09-20 深圳市杰成镍钴新能源科技有限公司 Retired power battery recycling method, device and system

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Application publication date: 20201023