CN106179691B - Waste and old circuit board resource reclaim processing system - Google Patents
Waste and old circuit board resource reclaim processing system Download PDFInfo
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- CN106179691B CN106179691B CN201610863854.1A CN201610863854A CN106179691B CN 106179691 B CN106179691 B CN 106179691B CN 201610863854 A CN201610863854 A CN 201610863854A CN 106179691 B CN106179691 B CN 106179691B
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- centrifugal blower
- cyclone separator
- waste
- circuit board
- disintegrating mechanism
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
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- Food Science & Technology (AREA)
- Combined Means For Separation Of Solids (AREA)
- Processing Of Solid Wastes (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The present invention relates to a kind of waste and old circuit board resource reclaim processing systems comprising disintegrating mechanism, the first centrifugal blower, the first cyclone separator, airflow separator, sorting mechanism, the second centrifugal blower, the second cyclone separator and control valve.The waste and old circuit board resource reclaim processing system is by being arranged multi-stage crushing mechanism, fully waste and old circuit board can be crushed, and it is equipped with the first centrifugal blower, first cyclone separator, airflow separator, sorting mechanism, second centrifugal blower, second cyclone separator and control valve, first centrifugal blower, first cyclone separator, airflow separator, second centrifugal blower, sorting mechanism, second cyclone separator and control valve cooperation constitute multipass sort mechanism, the particle that can be come out to disintegrating mechanism is fully sorted, improve the separative efficiency of particle, whole process is not necessarily to artificial pulverizing and sorting, the efficiency of separation is high.
Description
Technical field
The present invention relates to waste and old circuit board resource reclaim fields, more particularly, to a kind of processing of waste and old circuit board resource reclaim
System.
Background technology
With the rapid development of electronic technology and information technology, electric equipment products obtains in the production, life of people
It is widely applied.At the same time, the quantity of electron wastes is also more and more.According to statistics, electron wastes are with annual 16-
28% speed increase, 3-4 times faster than the growth rate of total amount of waste, and electron wastes will produce 500,000,000 tons of danger every year
Toxic waste is one of pollution sources of human maximum.Waste and old circuit board is most common electron wastes, is occurred nearly in all
Electric equipment products in, enormous amount.Circuit board is the mixture of glass fiber reinforced plastics and various metals.In circuit board
Tenor be up to 40%, most is copper, and in addition there are the metals such as gold, aluminium, nickel, lead, silicon, wherein being no lack of rare metal.
Therefore, the recycling of waste and old circuit board is closely bound up with economic, society and environment sustainable development and resource regeneration, can be with
Environmental protection meets circular economy and the strategy of sustainable development.
All it is at present using manually mixed to the old metal of waste and old circuit board for waste and old circuit board broken recycling industry early period
It closes object and metal mixture is detached, efficiency is low and high labor cost, a small number of strong returned enterprises use coarse smash equipment
Waste and old circuit board is crushed, the later stage detaches non-metal mixture and metal mixture using electrostatic separation machine, this
Kind way not only generates dust pollution and atmosphere pollution in process of production, and separating effect is also undesirable, in subsequent handling
Since separating effect is bad, increases the pressure of later stage reclaimer and reduce metal recovery rate.
Invention content
Based on this, it is necessary to provide a kind of waste and old circuit board resource reclaim processing system that organic efficiency is high.
The technical solution that the present invention solves technical problem is as follows.
A kind of waste and old circuit board resource reclaim processing system, including disintegrating mechanism, the first centrifugal blower, the first cyclonic separation
Device, airflow separator, sorting mechanism, the second centrifugal blower, the second cyclone separator and control valve；
The disintegrating mechanism has multistage；The discharge port of the disintegrating mechanism of afterbody and first cyclone separator
Feed inlet be connected, a discharge port of first cyclone separator is connected with the feed inlet of the airflow separator, institute
State sorting mechanism for collects from the discharge port of the airflow separator come out particle, a discharge port of the sorting mechanism and
The feed inlet of second cyclone separator is connected to, and the control valve is located at the sorting mechanism and second cyclonic separation
To regulate and control to enter from the sorting mechanism size of the particle of second cyclone separator, first centrifugal blower between device
And second centrifugal blower is connected to first cyclone separator and second cyclone separator to carry out negative pressure respectively
Suction.
Further include dust separation mechanism in one of the embodiments, the air outlet of first centrifugal blower with it is described
Dust separation mechanism is connected to, and the air outlet of second centrifugal blower is also connected to the dust separation mechanism.
The dust separation mechanism includes pulsed jet cloth filter, third centrifugal blower, gives up in one of the embodiments,
Gas purifies spray column and exhaust smoke, the air outlet of the air outlet of first centrifugal blower and second centrifugal blower with
The entrance of the pulsed jet cloth filter is connected to, an outlet of the pulsed jet cloth filter and the third centrifugal blower into
Air port be connected to, the air outlet of the third centrifugal blower be connected with the import of the waste gas purification spray column and the third from
Pipeline between heart wind turbine and the waste gas purification spray column is equipped with muffler, the outlet of the waste gas purification spray column and institute
State the inlet communication of exhaust smoke.
Further include the 4th centrifugal blower and third cyclone separator in one of the embodiments,；The 4th centrifugation wind
Machine is connected to the third cyclone separator with negative-pressure ward；One feed inlet of the third cyclone separator and the screening machine
Another discharge port of structure is connected to, the charging of the blanking outlet of the third cyclone separator and the disintegrating mechanism of afterbody
Mouth connection, the 4th centrifugal blower are used to the thicker particle that the sorting mechanism filters out being delivered to afterbody again
The disintegrating mechanism crush.
The air outlet of the 4th centrifugal blower is connected with the dust separation mechanism in one of the embodiments,.
In one of the embodiments, in the multistage disintegrating mechanism in addition to the disintegrating mechanism of afterbody, also
The feed hopper of the disintegrating mechanism of other grades is connected to the feed hopper of the third level disintegrating mechanism.
Further include the 5th centrifugal blower and the 4th cyclone separator in one of the embodiments,；The 5th centrifugation wind
Machine is connected to the 4th cyclone separator to carry out negative-pressure ward, feed inlet and the air-flow of the 4th cyclone separator
The discharge port of sorting machine is connected to, and a discharge port of the 4th cyclone separator is connected to the feed inlet of the sorting mechanism, institute
The outlet for stating the 5th centrifugal blower is connected to the dust separation mechanism.
Further include feed mechanism in one of the embodiments, the feed mechanism have it is multiple, multiple feed mechanisms with it is more
The grade disintegrating mechanism is matched to carry out feeding to corresponding mechanism.
The disintegrating mechanism has three-level in one of the embodiments, wherein first order disintegrating mechanism tears up for twin shaft
Machine, second level disintegrating mechanism are crusher, and third level disintegrating mechanism is high speed disintegrator；
There are three the feed mechanisms, respectively for the open type Belt Conveying to the first order disintegrating mechanism feeding
Mechanism, for receive from the first order disintegrating mechanism come out particle and be delivered to the closed of the second level disintegrating mechanism
It belt conveyor and is crushed for receiving the particle come out from the second level disintegrating mechanism and being delivered to the third level
The screw feeding machine of mechanism.
In one of the embodiments, the sorting mechanism has a two-stage, respectively the disc screen of the first order and the second level
Gravity reciprocating screen.
Above-mentioned waste and old circuit board resource reclaim processing system, can be fully to waste and old circuit by the way that multi-stage crushing mechanism is arranged
Plate crushes, and equipped with the first centrifugal blower, the first cyclone separator, airflow separator, sorting mechanism, the second centrifugation wind
Machine, the second cyclone separator and control valve, the first centrifugal blower, the first cyclone separator, airflow separator, sorting mechanism,
Second centrifugal blower, the second cyclone separator and control valve cooperation constitute multipass sort mechanism, can be come out to disintegrating mechanism
Particle be sufficiently separated, improve the efficiency of separation of metal and nonmetallic particle, whole process without artificial pulverizing and sorting,
The efficiency of separation is high.
Further, by the way that dust separation mechanism is arranged, production line uses closed design, can be to being generated in production process
Exhaust gas, dust etc. carry out recycling and purified treatment, and equipped with noise reducing mechanisms such as mufflers, noise can be handled, because
And the waste and old circuit board resource reclaim processing system environmental pollution is small.
Description of the drawings
Fig. 1 is the structural schematic diagram of the waste and old circuit board resource reclaim processing system of an embodiment；
Fig. 2 is the close-up schematic view of Fig. 1；
Fig. 3 is another close-up schematic view of Fig. 1.
Specific implementation mode
To facilitate the understanding of the present invention, below with reference to relevant drawings to invention is more fully described.In attached drawing
Give presently preferred embodiments of the present invention.But the present invention can realize in many different forms, however it is not limited to this paper institutes
The embodiment of description.Keep the understanding to the disclosure more thorough on the contrary, purpose of providing these embodiments is
Comprehensively.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the present invention
The normally understood meaning of technical staff is identical.Used term is intended merely to description tool in the description of the invention herein
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more phases
Any and all combinations of the Listed Items of pass.
Below incorporated by reference to Fig. 1, Fig. 2 and Fig. 3, the waste and old circuit board resource reclaim processing system 10 of an embodiment, including powder
Broken mechanism, the first centrifugal blower 12, the first cyclone separator 13, airflow separator 14, sorting mechanism, the second centrifugal blower 22,
Second cyclone separator 16 and control valve 17.
Disintegrating mechanism has multistage.In the present embodiment, disintegrating mechanism has three-level, wherein first order disintegrating mechanism 111 is double
Axis shredder, second level disintegrating mechanism 112 are crusher, and third level disintegrating mechanism 113 is high speed disintegrator.First order pulverizer
Structure 111 is for tentatively tearing up waste and old circuit board, to reduce plate volume.Second level disintegrating mechanism 112 is used for preliminary
The particle torn up is further crushed, to further decrease the volume of particle.Third level disintegrating mechanism 113 is that high speed crushes
Machine carries out the particle that second level disintegrating mechanism 112 generates fine crushing.Particle volume after the crushing of three-level disintegrating mechanism 11 can be non-
It is often small, the metal in particle can be completely exfoliated with non-metallic material, in order to which later separation sorts.
In the present embodiment.The discharge port of third level disintegrating mechanism 113 is connected with the feed inlet of the first cyclone separator 13
It is logical.One discharge port of the first cyclone separator 13 is connected with the feed inlet of airflow separator 14.First centrifugal blower 12 into
Air port is connected to another discharge port of the first cyclone separator 13 to carry out negative-pressure ward.Sorting mechanism is for collecting from air-flow point
The particle for selecting the discharge port of machine 14 to come out.One discharge port of sorting mechanism is connected to the feed inlet of the second cyclone separator 16.It adjusts
Control valve 17 is located between sorting mechanism and the second cyclone separator 16 enters the second cyclone separator to regulate and control from sorting mechanism
The size of 16 particle.The air inlet of second centrifugal blower 22 is connected to another discharge port of the second cyclone separator 16 to carry out
Negative-pressure ward.
As described herein be connected to includes by the connection of the pipeline configurations such as air hose, also including corresponding mouth and mouth directly in succession
It is logical.
First centrifugal blower 12 is preferably centrifugal high pressure fan, and the negative pressure generated produces third level disintegrating mechanism 113
Disentegrated particles sorted by negative pressure transportation to airflow separator 14.Disentegrated particles are divided into nonmetallic fine powder by airflow separator 14
End and metal and old metal mixed powder, nonmetallic fine powder can be packed in storage, the volume of metal and old metal mixed powder
Greatly and again with weight ratio non-metal powder, it can further be screened by sorting mechanism.
In the present embodiment, sorting mechanism has two-stage, the respectively disc screen 151 of the first order and the gravity of the second level reciprocal
Sieve 152.The disc screen 151 of the first order screens metal and nonmetallic mixed powder enters the at qualified uniform fine particles material
The gravity reciprocating screen 152 of two level is further screened, by the fine granular materials be further separated into metal-powder mixture and
Non-metallic powder.The purity or grade of metal-powder mixture can by adjust the second level gravity reciprocating screen 152 air quantity and
Vibration frequency and control valve 17 are adjusted control, in the corresponding particle of outlet at bottom collection of the second cyclone separator 16
Tenor also can be adjusted control by control valve 17.
14 airflow separators and sorting mechanism of the present embodiment are using physical method and environment-protective process mode to pulverizer
Structure come out mixing particle or powder be classified, sorted and detached, the purpose is in mixing particle metal with it is nonmetallic
Effectively separate, sub-elect metallic copper purity and the rate of recovery up to 98% or more.
In the present embodiment, which further includes dust separation mechanism 18.First
The air outlet of centrifugal blower 12 is connected to dust separation mechanism 18.The air outlet of second centrifugal blower 22 also with dust separation mechanism
18 connections.
Specifically, in the present embodiment, dust separation mechanism 18 includes pulsed jet cloth filter 181, third centrifugal blower
182, waste gas purification spray column 183 and exhaust smoke 184.The air outlet of first centrifugal blower 12 and the second centrifugal blower 21 go out
Air port is connected to the entrance of pulsed jet cloth filter 181.One outlet of pulsed jet cloth filter 181 and third centrifugal blower
182 air inlet connection, a feed opening are connected for cloth bag, to collect the particulate matters such as the dust precipitated.Third centrifugal blower 182
Air outlet be connected with the import of waste gas purification spray column 183 and third centrifugal blower 182 and waste gas purification spray column 183 it
Between pipeline be equipped with muffler 185.Waste gas purification spray column 183 carries out spray cleaning processing, outlet and row for flue gas
The inlet communication of gas smoke pipe 184.For exhaust smoke 184 for flue gas to be discharged, which passes through dedusting and purified treatment, is fully able to
Reach state environmental emissioning standard.
By the way that dust separation mechanism 18 is arranged, production line uses closed design, can be useless to what is generated in production process
Gas, dust etc. carry out recycling and purified treatment, and equipped with noise reducing mechanisms such as mufflers 185, can handle noise, thus
Waste and old circuit board resource reclaim 10 environmental pollutions of processing system are small.
The waste and old circuit board resource reclaim processing system 10 of the present embodiment further includes the 4th centrifugal blower 19 and third whirlwind
Separator 20.The feed inlet of third cyclone separator 20 is connected to another discharge port of sorting mechanism.Third cyclone separator 20
Discharge port be connected to the feed inlet of the feed hopper of third level disintegrating mechanism 113.4th centrifugal blower 19 is used for sorting mechanism
The thicker particle filtered out is delivered to third level disintegrating mechanism 113 and crushes again.In the present embodiment, the circle of the first order
The thicker particle that riddle 151 and the gravity reciprocating screen 152 of the second level filter out respectively by the 4th centrifugal blower 19 again
It is delivered to third level disintegrating mechanism 113 to crush, so recycle, until reaching required crushing demand.
In the present embodiment, the pulsed jet cloth filter of the air outlet and dust separation mechanism 18 of the 4th centrifugal blower 19
181 are connected.Preferably, the air outlet and the 4th centrifugal blower of the air outlet of the first centrifugal blower 12, the second centrifugal blower 21
19 air outlet is connected by branch's air hose and converging at after same air hose with the import of pulsed jet cloth filter 181.
In multi-stage crushing mechanism 11 in addition to the disintegrating mechanism of afterbody, also the feed hopper of the disintegrating mechanism of other grades with
Third cyclone separator 20 is connected to, such as in the present embodiment, the feed hopper of second level disintegrating mechanism 112 also with third level pulverizer
The feed hopper of structure 113 is connected, dust of generation etc. is imported pulse by third cyclone separator 20 in shattering process
In bag filter 181, prevents from being expelled directly out and the Particulate Pollutions such as dust are caused to environment.
The waste and old circuit board resource reclaim processing system 10 further includes the 5th centrifugal blower 23 and the 4th cyclone separator 24.
5th centrifugal blower 23 is connected to the 4th cyclone separator 24 to carry out negative-pressure ward.The feed inlet of 4th cyclone separator 24 with
The discharge port of airflow separator 14 is connected to, and a discharge port of the 4th cyclone separator 24 is connected to the feed inlet of sorting mechanism.The
The air outlet of five centrifugal blowers 23 is connected to the pulsed jet cloth filter 181 of dust separation mechanism 18, and is preferably centrifuged with first
Air outlet of wind turbine 12 etc. converges and same air hose.
The above-mentioned preferred centrifugal high pressure fan of each centrifugal blower takes out the negative pressure with different size of particle with disclosure satisfy that
Suction demand.
In addition, in the present embodiment, which further includes feed mechanism.Feeder
Structure has multiple.Multiple feed mechanisms are matched with multi-stage crushing mechanism 11, airflow separator 14 and sorting mechanism with to corresponding
Mechanism carries out feeding.
Specifically, in the present embodiment, there are three feed mechanisms, respectively for giving first order pulverizer 111 structure feeding
Open type belt conveyor 211, for receive from first order disintegrating mechanism 111 come out particle and be delivered to second level powder
The closed belt conveyer structure 212 of broken mechanism 112 and for receive from second level disintegrating mechanism 112 come out particle simultaneously
It is delivered to the screw feeding machine 213 of third level disintegrating mechanism 113.It is understood that in other embodiments, airflow separator 14 and sieve
Selecting can also use screw feeding machine to carry out feeding between mechanism, be not limited to above-mentioned 5th centrifugal blower 23 and the 4th whirlwind point
Material-uploading style from device 24.In the course of work, any of which first order load overload operation will feed back to information the first order
The open type belt conveyor 211 of 111 feeding of disintegrating mechanism simultaneously makes it stop charging, until disintegrating mechanism restores normal duty
Operation, effective protection disintegrating mechanism is injury-free or damage.
Above-mentioned waste and old circuit board resource reclaim processing system 10, can be fully to waste and old by the way that multi-stage crushing mechanism 11 is arranged
Circuit board crushes, and equipped with the first centrifugal blower 12, the first cyclone separator 13, airflow separator 14, sorting mechanism,
Second centrifugal blower 22, the second cyclone separator 16 and control valve 17, the first centrifugal blower 12, the first cyclone separator 13,
Airflow separator 14, sorting mechanism, the second centrifugal blower 22, the second cyclone separator 16 and the cooperation of control valve 17 constitute multistage
Sorting mechanism, the particle that can be come out to disintegrating mechanism are fully sorted, and improve the separative efficiency of particle, whole process is not necessarily to
Artificial pulverizing and sorting, the efficiency of separation are high.Particle is pumped into corresponding equipment by negative pressure and carries out separation sorting process, compared with
Electrostatic separation, it is small to the damage of equipment, the service life of equipment can be extended.
The waste and old circuit board resource reclaim processing system can than traditional technical solution under Same Efficieney output increased
40% or more, and under the conditions of equal production volume, energy consumption declines 15%.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (9)
1. a kind of waste and old circuit board resource reclaim processing system, which is characterized in that including disintegrating mechanism, the first centrifugal blower,
One cyclone separator, airflow separator, sorting mechanism, the second centrifugal blower, the second cyclone separator and control valve；
The disintegrating mechanism has multistage；The discharge port of the disintegrating mechanism of afterbody and first cyclone separator into
Material mouth is connected, and a discharge port of first cyclone separator is connected with the feed inlet of the airflow separator, the sieve
Select mechanism for collects from the discharge port of the airflow separator out particle, a discharge port of the sorting mechanism with it is described
The feed inlet of second cyclone separator is connected to, the control valve be located at the sorting mechanism and second cyclone separator it
Between to regulate and control to enter from the sorting mechanism size of the particle of second cyclone separator, first centrifugal blower and institute
The second centrifugal blower is stated to be connected to carry out negative-pressure ward with first cyclone separator and second cyclone separator respectively,
The disentegrated particles that first centrifugal blower is used to generate negative pressure to produce the disintegrating mechanism of afterbody are defeated by negative pressure
It send to the airflow separator and is sorted, the sorting mechanism has a two-stage, respectively the disc screen of the first order and the second level
Gravity reciprocating screen.
2. waste and old circuit board resource reclaim processing system as described in claim 1, which is characterized in that further include dust-removing purification machine
Structure, the air outlet of first centrifugal blower are connected to the dust separation mechanism, the air outlet of second centrifugal blower
It is connected to the dust separation mechanism.
3. waste and old circuit board resource reclaim processing system as claimed in claim 2, which is characterized in that the dust separation mechanism
Including pulsed jet cloth filter, third centrifugal blower, waste gas purification spray column and exhaust smoke, first centrifugal blower goes out
The air outlet of air port and second centrifugal blower is connected to the entrance of the pulsed jet cloth filter, and the pulse bag removes
One outlet of dirt device is connected to the air inlet of the third centrifugal blower, air outlet and the exhaust gas of the third centrifugal blower
The import of purification spray column is connected and the pipeline between the third centrifugal blower and the waste gas purification spray column is equipped with
Muffler, the inlet communication of the outlet and the exhaust smoke of the waste gas purification spray column.
4. waste and old circuit board resource reclaim processing system as claimed in claim 2, which is characterized in that further include the 4th centrifugation wind
Machine and third cyclone separator；4th centrifugal blower is connected to the third cyclone separator with negative-pressure ward；Described
One feed inlet of three cyclone separators is connected to another discharge port of the sorting mechanism, the blanking of the third cyclone separator
Outlet is connected to the feed inlet of the disintegrating mechanism of afterbody, and the 4th centrifugal blower is for sieving the sorting mechanism
The disintegrating mechanism that the thicker particle selected is delivered to afterbody again crushes.
5. waste and old circuit board resource reclaim processing system as claimed in claim 4, which is characterized in that the 4th centrifugal blower
Air outlet be connected with the dust separation mechanism.
6. waste and old circuit board resource reclaim processing system as claimed in claim 4, which is characterized in that the multistage disintegrating mechanism
In in addition to the disintegrating mechanism of afterbody, also the feed hopper of the disintegrating mechanism of other grades and the third level crush
The feed hopper of mechanism is connected to.
7. waste and old circuit board resource reclaim processing system as claimed in claim 2, which is characterized in that further include the 5th centrifugation wind
Machine and the 4th cyclone separator；5th centrifugal blower is connected to the 4th cyclone separator to carry out negative-pressure ward, institute
The feed inlet for stating the 4th cyclone separator is connected to the discharge port of the airflow separator, and the one of the 4th cyclone separator goes out
Material mouth is connected to the feed inlet of the sorting mechanism, and the outlet of the 5th centrifugal blower is connected to the dust separation mechanism.
8. such as waste and old circuit board resource reclaim processing system according to any one of claims 1 to 7, which is characterized in that also wrap
Include feed mechanism, the feed mechanism has multiple, and multiple feed mechanisms are matched with the multistage disintegrating mechanism with to corresponding
Mechanism carries out feeding.
9. waste and old circuit board resource reclaim processing system as claimed in claim 8, which is characterized in that the disintegrating mechanism has three
Grade, wherein first order disintegrating mechanism is cyclopentane gas detector, and second level disintegrating mechanism is crusher, and third level disintegrating mechanism is height
Fast pulverizer；
There are three the feed mechanisms, respectively for the open type belt conveyor to the first order disintegrating mechanism feeding
Structure, for receiving the particle come out from the first order disintegrating mechanism and being delivered to the closed skin of the second level disintegrating mechanism
With conveying mechanism and for receiving the particle come out from the second level disintegrating mechanism and being delivered to the third level pulverizer
The screw feeding machine of structure.
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| CN201610863854.1A CN106179691B (en) | 2016-09-28 | 2016-09-28 | Waste and old circuit board resource reclaim processing system |
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| CN110201885A (en) * | 2019-06-26 | 2019-09-06 | 广州市联冠机械有限公司 | A kind of sorter collection system |
| CN110496689A (en) * | 2019-06-27 | 2019-11-26 | 广州市联冠机械有限公司 | A kind of system for old and useless battery material recovery |
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| CN110614154A (en) * | 2019-10-30 | 2019-12-27 | 褚兵 | Lithium battery positive electrode material extraction production line |
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| CN106179691A (en) | 2016-12-07 |
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