CN110181715A - It is a kind of to be used to prepare the separation method for moulding the spent resin of the wooden particle - Google Patents
It is a kind of to be used to prepare the separation method for moulding the spent resin of the wooden particle Download PDFInfo
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- CN110181715A CN110181715A CN201910447520.XA CN201910447520A CN110181715A CN 110181715 A CN110181715 A CN 110181715A CN 201910447520 A CN201910447520 A CN 201910447520A CN 110181715 A CN110181715 A CN 110181715A
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- Prior art keywords
- cabinet
- prepare
- resin
- material block
- cutter shaft
- Prior art date
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Classifications
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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
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/23—Magnetic separation acting directly on the substance being separated with material carried by oscillating fields; with material carried by travelling fields, e.g. generated by stationary magnetic coils; Eddy-current separators, e.g. sliding ramp
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C7/00—Separating solids from solids by electrostatic effect
- B03C7/003—Pretreatment of the solids prior to electrostatic separation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
- B29B2017/0213—Specific separating techniques
- B29B2017/0262—Specific separating techniques using electrical caracteristics
- B29B2017/0265—Electrostatic separation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
- B29B2017/0213—Specific separating techniques
- B29B2017/0268—Separation of metals
- B29B2017/0272—Magnetic separation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The present invention relates to a kind of separation methods of spent resin for being used to prepare the wooden particle of modeling, the following steps are included: S1, material containing spent resin is transported in pre- cold containers and that closes pre- cold containers outputs and inputs mouth, liquid nitrogen is inputted into pre- cold containers, the material being located in pre-cooling container is cooled down；Material after cooling is sent into crusher the material block for be broken into 1~3mm by S2；S3, material block are transported in apparatus for temporary storage by the first conveying mechanism, input liquid nitrogen to apparatus for temporary storage；Material block in apparatus for temporary storage is sent by second conveyor structure into high speed disintegrator, the mixed material of resin powder and metal powder grain is obtained after crushing by S4；S5 send said mixture to progress first time sorting in eddy current separator；S6, the mixed material exported from eddy current separator are sent to electrostatic separation apparatus by third conveying mechanism and carry out second of sorting.Method of the invention has the advantages that improve separative efficiency.
Description
Technical field
The present invention relates to one kind to be related to waste resin separation technology field, and in particular to a kind of be used to prepare moulds the wooden particle
The separation method of spent resin.
Background technique
According to incompletely statistics, all kinds of enterprises in Yixing have about 20,000 tons of organic resin class wastes to generate every year, Su Xichang
Three cities are even more to have more than 100,000 tons of machine resinae wastes to generate, the organic resin class Waste disposal enterprise for normal three city of tin of reviving at present
Only very few several families, and wherein most enterprise can generate serious exhaust emission by incineration disposal machine resinae waste,
This disposal options are simultaneously undesirable, and the enterprise for recycling comprehensive utilization is then fewer and fewer.
The one kind of printed circuit board as machine resinae waste, printed circuit board is as various electric appliances and the basic courses department of equipment
Part, itself is made of substrate and electronic component；Electronic component is welded on substrate by metallic tin；Substrate is by resin material
Copper sheet is wrapped up to be made；The wherein metal containing high added values such as gold, silver in electronic component.
In the printed circuit boards, the content of metal is up to 40%, and the only 3- of the rich ore tenor in nature
5%.Most is copper, and in addition there are gold, aluminium, nickel, lead, silicon metals etc., wherein being no lack of rare metal.There is statistical data to show
Gold content reaches 1000 grams or so in waste and old circuit board per ton.Now, as technological level improves, cost is reduced, useless electricity per ton
300 grams or so of gold can be still extracted in the plate of road, market price is roughly equal to 30,000 yuan or so.Therefore, the gold contained in so-called " electronic waste "
Category is tens times or even hundred times of native deposits.
In the prior art, it will be crushed again after broken printed circuit board, obtain the mixture of resin and metal powder, then
Resin and metal powder grain are separated using electrostatic separation apparatus, to obtain metal powder grain and resin powder.However, printing
Circuit substrate has characteristic hard and strong, resistant to high temperature, is under room temperature due to having a large amount of thermosetting resins, these resinous polymers
Certain toughness cannot be crushed by general impact and direct attrition crushing mode, thus recycling is crushed under room temperature in the presence of each
Kind problem, such as impact pyrolysis, pernicious gas generate, and the dust pollution in dry grinding, product powder shape is inhomogenous, Yi Jishe
The problems such as standby long time running is also easy to produce amount of heat, causes equipment hot-spot, materials from bonding, occluding device, these problems
It can cause environmental pollution, reduce crush efficiency, lead to the reduction of follow-up separation efficiency.
Summary of the invention
The object of the present invention is to provide the separation methods that the spent resin of the wooden particle is moulded in a kind of preparation for improving separative efficiency.
It is a kind of to be used to prepare the separation method for moulding the spent resin of the wooden particle, comprising the following steps:
S1, the material containing spent resin is transported in pre- cold containers and that closes pre- cold containers outputs and inputs mouth, to
Liquid nitrogen is inputted in pre- cold containers, the material being located in pre-cooling container is cooled down, control cooling time is 5 to 15 points
Clock keeps material brittle；
Material after cooling is sent the material block that 1~3mm is broken into crusher by S2；
S3, material block are transported in apparatus for temporary storage by the first conveying mechanism, are inputted liquid nitrogen to apparatus for temporary storage, are made material block
Keep brittleness；
Material block in apparatus for temporary storage is sent by second conveyor structure into high speed disintegrator, is set after crushing by S4
The partial size of the mixed material of cosmetics grain and metal powder grain, resin powder and metal powder grain is 0.05~0.5mm；
Said mixture is sent to progress first time sorting, eddy current separator in eddy current separator and generates high frequency by S5
Alternating magnetic field makes to generate inductive loop in non-magnetic conductor metal powder, and non-magnetic conductor metal powder obtains a thrust from mixture
It is separated in material；
S6, the mixed material exported from eddy current separator are sent to electrostatic separation apparatus progress the by third conveying mechanism
Secondary sorting separates metal powder grain and resin powder by electrostatic separation apparatus, so that obtaining preparation moulds the wooden particle
Resin powder.
Advantages of the present invention are as follows: since material is cooled down in pre- cold containers, material enters in crusher
Afterwards, material absorbs the heat of the air in crusher, so that the air themperature in crusher reduces, since low-temperature material itself has
Some suction object effects, in shattering process, the heat generated when absorbing broken avoids and causes equipment hot-spot, object material
The generation of the problems such as material bonding, occluding device.Keep in material block by apparatus for temporary storage makes material block keep brittleness, keeps
For brittle material block when crushing, the material of low temperature absorbs the partial heat generated during crushing chamber, effectively prevent pulverizer
The generation of interior steep temperature rise and powder deformation, makes powder have smooth surface, is conducive to follow-up separation.Pass through eddy current separator
After being sorted to non-magnetic conductor metal powder, carries out sorting again to mixed material to electrostatic separation apparatus and alleviates burden,
Simultaneously because powder has the characteristics that smooth surface, can be perfectly adhered on electrostatic separation apparatus in electrostatic separation.To sum up
Described, method of the invention improves the separative efficiency of resin powder and metal powder grain.
Detailed description of the invention
Fig. 1 is the schematic diagram of the separation system for the spent resin that the wooden particle is moulded in preparation in the present invention；
Fig. 2 is the structural schematic diagram of the crusher in the present invention；
Fig. 3 is the structural schematic diagram of the apparatus for temporary storage in the present invention；
Fig. 4 is the structural schematic diagram of the eddy current separator in the present invention；
Fig. 5 is the structural schematic diagram of the electrostatic separation apparatus in the present invention；
Fig. 6 is the schematic diagram of the vibration feeding mechanism in the present invention；
Fig. 7 is the structural map that the inner body of feeding mechanism is shaken in Fig. 6；
Label in attached drawing:
1 is pre- cold containers, and 2 be liquid nitrogen container, and A is crusher, and 3 be the first hopper, and 4 be cabinet, and 5 be first axle, 5a the
One gear drive, 6 be cut part, and 7 be lug boss, and 8 be the first cutter shaft, and 9 be cutterhead, and 10 be second gear transmission mechanism,
11 be the first conveying mechanism, and B is apparatus for temporary storage, and 12 be temporary cabinet, and 13 be belt gear, and 14 be pusher, and 15 are
Filling component, 16 be baffle, and 17 be second conveyor structure, and C is high speed disintegrator, and D is eddy current separator, and 18 be shell, 18a
For feed inlet, 19 is sort magnetic roller, and 20 be the first accommodating chamber, and 21 be motor, and 22 be speed reducer, and 23 be shaft coupling, and 24 be screw rod,
25 be the first mesh members, and 25a is notch, and 26 be the first transmission shaft, and 27 be the first disk shaped part, and 28 are dispersed with stirring portion for first
Part, 29 be the first eccentric gearing component, and 30 be third conveying mechanism, and E is electrostatic separation apparatus, 31 is stock guide, 32 is corona
Electrode, 33 be rotating separation roller, and 34 be stationary electrode, and 35 be brush, and F is vibration feeding mechanism, and 36 be cylinder, and 36a is output
Mouthful, 37 be latch plate, and 37a is friction member, and 38 be the first support member, and 39 be chamber, and 40 be elastomeric element, and a is armature, b
For coil.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1, being used to prepare in the present invention moulds the separation method of the spent resin of the wooden particle, comprising the following steps:
S1, the material containing spent resin is transported in pre- cold containers 1 and that closes pre- cold containers 1 outputs and inputs mouth,
Liquid nitrogen is inputted into pre- cold containers 1, the material being located in pre-cooling container is cooled down, control cooling time is 5 to 15
Minute, keep material brittle；Material can be waste printed circuit board, waste tire etc..After the cooling embrittlement of the material containing spent resin,
Since the crushing thermal change of material is small, in broken and crushing process, it is therefore prevented that the generation of material adhesion, therefore be easy to make material
Broken and crushing.
Liquid nitrogen is stored in liquid nitrogen container 2, after material is encased in pre- cold containers 1, opens the control valve of liquid nitrogen container 2,
Liquid nitrogen in liquid nitrogen container 2 is input in pre- cold containers.Liquid nitrogen promptly cools down the material in pre- cold containers 1, is being pre-chilled
First temperature sensor is installed, the first temperature sensor is used to detect the temperature in pre- cold containers 1, so that in will on container 1
Temperature in pre- cold containers 1 is controlled at -80~-110 DEG C, it is preferable that the temperature in pre- cold containers 1 is controlled at -100 DEG C, in this way
Within 7~8 minutes time, keep material brittle.
Material after cooling is sent the material block that 1~3mm is broken into crusher by S2；Crusher and pre- cold containers 1 connect
It is logical, valve is set in the output end of pre- cold containers 1, Open valve can make the material in pre- cold containers 1 enter crusher
In.
As depicted in figs. 1 and 2, the crusher A includes the first hopper 3, cabinet 4, the first crushing mechanism, the second crusher
Structure, the first hopper 3 are used to receive the material after cooling that pre- cold containers 1 export, and one end of cabinet 4 is connect with the first hopper 3；The
One crushing mechanism is mounted on cabinet 4, and the first crushing mechanism carries out the material entered in case 4 pre- broken in a manner of shearing
It is broken；Second crushing mechanism is mounted on cabinet 4 and is located at the downstream of the first crushing mechanism, and the second crushing mechanism is by the precrushing
Material be broken into the material block of 1~3mm.
As depicted in figs. 1 and 2, the first crushing mechanism includes first axle 5, the second axis, and the both ends of first axle 5 can be rotated twelve Earthly Branches
On the cabinet 4, the both ends of the second axis are rotatably supported on the cabinet for support；First axle 5 and the second axis lead to respectively
It crosses first bearing component to be rotatably supported on the cabinet 4, one end of first axle 5 and the second axis is equipped with driving first axle 5
With the first gear transmission mechanism 5a of the second axis rotation, it is respectively equipped with cut part 6 on the axle body of first axle 5 and the second axis, is sheared
Portion 6 is the cutterhead with sawtooth.Cut part 6 on the axle body of first axle 5 and the second axis shifts to install, when material falls on first axle 5
When on the second axis, for material using one of axis as anvil block, material is sheared in the cut part 6 on another axis, in this way,
First crushing mechanism carries out first break to material.
As depicted in figs. 1 and 2, since the cut part 6 on the axle body of first axle 5 and the second axis shifts to install, due to first
The lateral distance between the cut part 6 on cut part 6 and the second axis on axis 5 is relatively large, therefore, on both axes two
There are biggish neutral gear portion between adjacent cutouts portion 6, a part of some materials or material not by the shearing of cut part 6,
Gap location between first axle 5 and the second axis passes through and drops into the second crushing mechanism, will increase the second broken mechanism in this way
Load.Therefore, in the present embodiment, lug boss 7 is further respectively had on the axle body of first axle 5 and the second axis, these lug bosses 7
Between two neighboring cut part 6, when a part of the material or material that have is not by the shearing of cut part 6, from described
When non-shear neutral gear portion passes through, squeeze to material by lug boss 7 keeps material broken, in favor of subsequent second crusher
Structure is crushed material.
As depicted in figs. 1 and 2, the second crushing mechanism include the first cutter shaft 8, the second cutter shaft, cutterhead 9, the two of the first cutter shaft 8
End is rotatably supported on the cabinet 4, and the both ends of the second cutter shaft are rotatably supported on the cabinet；First cutter shaft 8
Pass through second bearing modular support respectively on cabinet 4 with the second cutter shaft.It is respectively mounted on the first cutter shaft 8 and the second cutter shaft
Cutterhead 9 is stated, cutterhead 9 is gear cutterhead, and the material of the precrushing is cut into 1 to 3mm material block by cutterhead 9 when rotating.First
One end of cutter shaft 8 and the second cutter shaft is equipped with the second gear transmission mechanism 10 of the first cutter shaft of driving and the rotation of the second cutter shaft.
Since material is cooled down in pre- cold containers 1, after material enters in crusher, material absorbs broken
The heat of air in broken machine, so that the air themperature in crusher reduces, due to the suction object effect that low-temperature material itself has,
In shattering process, the heat generated when absorbing broken avoids and causes equipment hot-spot material, and materials from bonding, blocking are set
The generation of the problems such as standby.
S3, material will do it crushing after broken, since the speed of crushing is slower than broken speed always, and this
The material of invention is to be crushed the material block obtained if do not stored especially by cooling treatment, and stack at normal temperature again
The brittleness possessed after cooling can be lost, this is unfavorable for subsequent crushing process.Therefore, as shown in Figure 1, in the present invention
In, the material block obtained by S2 is transported to temporary dress by the first conveying mechanism 11 (the first conveying mechanism 11 is preferentially using line dragon)
It sets in B, inputs liquid nitrogen to apparatus for temporary storage B, material block is made to keep brittleness, cooling temperature control is -40~-60 in apparatus for temporary storage
℃.Keep brittle material block when crushing, the material of low temperature absorbs the partial heat generated during crushing chamber, effectively prevent
The generation of steep temperature rise and powder deformation, makes powder have smooth surface, is conducive to follow-up separation in pulverizer.Therefore, to object
Material block is kept in and keeps the temperature of material block, is very favorable for crushing process.
As shown in figures 1 and 3, the apparatus for temporary storage B includes temporary cabinet 12, the tape handler for keeping in material block
13, pusher 14.Tape handler 13 is mounted in temporary cabinet 12, and tape handler 13 is for carrying temporary first conveying
The material block that mechanism 11 is sent, and temporary material block is transported to the output port of temporary cabinet 12.Tape handler 13 wraps
Belt wheel, belt and rotating driver are included, belt wheel and belt flexibility cooperate, and rotating driver is connect with belt wheel, rotating driver
Hydraulic motor or the motor with retarder can be used, is carried in the present invention using tape handler 13 and conveys material block
The advantage is that not having hole on belt since belt itself is continuous physical components, it can thus be avoided material block is fallen on
The bottom of temporary cabinet 12, avoids and blocks belt gear 13.
As shown in figures 1 and 3, since material block is continuously sent in temporary cabinet 12 by the first conveying mechanism 11, this
A little material blocks fall on the tape handler 13 from the input port of temporary cabinet 12, with continuous conveying, these materials
Block carrys out heap, and therefore, material block is unevenly distributed on tape handler 13, and with continuous accumulation, it is temporary that there is blockings
The problem of depositing 12 input port of cabinet.Therefore, pusher 14, pusher 14 are provided in the present invention on temporary cabinet 12
Material block push on the tape handler corresponded to below temporary 12 input port of cabinet, which will be deposited in, makes material block be dispersed in band
On transmission mechanism 13, a part of the pusher is located at the outside of temporary cabinet 12, and another part of pusher 14 is located at
In holding tank body and it is located above tape handler.
As shown in figures 1 and 3, pusher 14 includes linear actuator and scraping wings, and linear actuator can use
Cylinder, oil cylinder isoline driving part, one end of linear actuator are extend into temporary cabinet 12, one end of linear actuator with
Scraping wings connection, linear actuator drives scraping wings linear motion, so that the material block of accumulation is pushed to tape handler 13
On other positions.
As shown in figures 1 and 3, between due to existing between one end of belt gear 13 and the inner wall of temporary cabinet 12
Gap, therefore, in order to avoid material block drops into temporary 12 bottom of cabinet from the gap, in the present invention, the apparatus for temporary storage is also
Including preventing material block from dropping into the filling component 15 between 12 inner wall of one end and temporary cabinet of tape handler 13, fill
Component 15 matches between 12 inner wall of one end and temporary cabinet of tape handler 13.
As shown in figures 1 and 3, the apparatus for temporary storage of stating further includes baffle 16, and one end of the baffle 16 is located at temporary cabinet
12 output port, the other end of baffle 16 and the other end of belt gear 13 cooperate, and the baffle 16 is driven belt
The other end of mechanism 13 is blocked, and material block is avoided to enter the bottom of temporary cabinet 12.The baffle 16 preferentially uses band
Magnetic baffle enables the material of iron one kind to be adsorbed by the baffle 16 with magnetic baffle 16, after mitigating
Therefore continuous sorting burden is conducive to improve the efficiency of separation.Certainly, baffle 16 can also be nonmagnetic, but in nonmagnetic gear
Magnet is installed on plate 16, iron class material is adsorbed by the magnet.
S4, as shown in Figure 1, being sent the material block in apparatus for temporary storage B by second conveyor structure 17 to high speed disintegrator C
In, obtaining the mixed material of resin powder and metal powder grain after crushing, the partial size of resin powder and metal powder grain is 0.05~
0.5mm；High speed disintegrator C in the present invention is outsourcing product, the height produced using Guangzhou Huan Lv mechanical equipment Co., Ltd
Fast rotary impact type plastic, rubber waster Special grinder for disintegrating.
S5, as shown in Figure 1, sending said mixture material to progress first time sorting, eddy current point in eddy current separator D
Selecting machine D to generate high-frequency alternating magnetic field makes to generate inductive loop in non-magnetic conductor metal powder, and non-magnetic conductor metal powder obtains one
A thrust is separated from mixed material；When the electronic waste for containing non-magnetic conductor metal (such as aluminium, lead, copper, zinc substance)
When the alternating magnetic field that object particle is generated by eddy current separator D, inductive loop can be generated in these non-magnetic conductor metal powders.
Since there is the speed of a relative motion in material stream and magnetic field, to there is one to push away the non-magnetic conductor metal powder for generating vortex
Power, non-magnetic conductor metal powder move under the action of the thrust, thus with resin separation of powder and granule.Eddy current separation D machine is to mixed
After closing material progress first time sorting, eddy current separator D is also stirred dispersion to remaining mixed material.
As shown in figure 4, the eddy current separator D includes: shell 18, transport mechanism, sorting magnetic roller 19, receives non-magnetic conductance
First accommodating chamber 20 of body metal, first are dispersed with stirring mechanism, and shell 18 is equipped with feed inlet 18a, and transport mechanism is to from charging
The material of mouth output is conveyed, and transport mechanism is set in shell；The transport mechanism includes motor 21, speed reducer 22, connection
Axis device 23, screw rod 24, motor 21 are fixed on shell 18, and the output end of motor 21 is connect with one end of speed reducer 22, speed reducer
One end of 22 other end connection shaft coupling 23, the other end of shaft coupling 23 are connect with screw rod 24.
As shown in figure 4, sorting magnetic roller 19 is mounted on the side in shell 18 and being located at transport mechanism, sorting magnetic roller 19 is generated
High-frequency alternating magnetic field makes to generate inductive loop in non-magnetic conductor metal powder, and non-magnetic conductor metal powder obtains thrust from mixture
It is separated in material；When transport mechanism is transmitted mixed material, mixed material is moved with respect to sorting roller 19, sorts magnetic roller 19
Generating high-frequency alternating magnetic field makes to generate inductive loop in non-magnetic conductor metal powder, due to mixed material and magnetic field have one it is opposite
The speed of movement, to have a thrust, effect of the non-magnetic conductor metal powder in the thrust to the metal powder grain for generating vortex
Lower movement, so that the non-magnetic conductor metal powder separated enters in first accommodating chamber 20 with resin separation of powder and granule.
As shown in figure 4, due to using screw rod 24 to be transmitted in transport mechanism, mixed material is squeezed screw rod 24
Pressure effect can become less loose, in order to make to be promoted the subsequent efficiency of separation, be also provided in eddy current separator D of the invention
First is dispersed with stirring mechanism, to disperse to mixed material.First, which is dispersed with stirring mechanism, is located at transport mechanism output end, this
One, which is dispersed with stirring the mixed material that mechanism exports transport mechanism, is stirred dispersion.
As shown in figure 4, first is dispersed with stirring mechanism and includes the first mesh members 25 being arranged on shell 18, is mounted on shell
The first transmission shaft 26, the first disk shaped part 27 on body, first are dispersed with stirring component 28, and the first mesh members 25 receive conveyer
The mixed material of structure output, the first disk shaped part 27 are connect with one end of the first transmission shaft 26, and first, which is dispersed with stirring component 28, sets
It sets on the circumferential surface of the first disk shaped part 27, the first disk shaped part 27 drives first to be dispersed with stirring the rotation of component 28 to dropping into the
Mixed material in one mesh members 25 is dispersed with stirring.First mesh members 25 preferentially use U-shaped sieve.
As shown in figure 4, first is dispersed with stirring when component 28 rotates when dispersing to material, also acting makes material from the
The effect that one mesh members 25 are sifted out, but this sift out is that passively, that is, the efficiency sifted out is relatively low.Thus in the present invention,
Described first to be dispersed with stirring mechanism further include the first eccentric gearing component 29 being arranged on shell 18, first mesh members
25 one end is hingedly hinged with shell 18, and the other end of the first mesh members 25 is equipped with notch 25a, the first eccentric gearing component 29
One end fits in the notch, the first eccentric gearing component 29 rotate when drive the first mesh members 25 swing.First is netted
When component 25 is swung, the effect sieved is automatically formed to the powder being located in first mesh members 25, facilitates to mention in this way
Rise the first mesh members 25 sifts out speed.
S6, as shown in Figure 1, the mixed material exported from eddy current separator D is sent to electrostatic by third conveying mechanism 30
It carries out sorting for second in sorting unit E, separates metal powder grain and resin powder by electrostatic separation apparatus E, thus
Obtain the resin powder that the wooden particle is moulded in preparation.In the present invention, electrostatic separation apparatus E is preferentially transported to third conveying mechanism 30
Mixed material in electrostatic separation apparatus E is sorted again after carrying out vibration dispersion.
As shown in figure 5, electrostatic separation apparatus E includes: vibration feeding mechanism F, stock guide 31, corona electrode 32, rotation point
From roller 33, stationary electrode 34, brush 35, the relationship to each section and between them is described in detail below:
As shown in Figures 5 to 7, vibration feeding mechanism F is to the resin powder and metal exported from eddy current separator D
The mixed material of powder applies shock effect power, after shaking by vibration feeding mechanism F to mixed material, both makes mixture
Material is dispersed, and mixed material is collided with vibration feeding mechanism F, so that the inside activity of powder is enhanced,
Therefore, be conducive under this two big effect powder it is subsequent in corona electrode 32 under the action of carry out charged effect.
As shown in Figures 5 to 7, the vibration feeding mechanism F includes cylinder 36, latch plate 37, electromagnet, the first support portion
Part 38, latch plate 37 are located in cylinder 36, and the chamber of a receiving mixed material is formed between 36 top of latch plate 37 and cylinder
Room 39, the side wall of cylinder 36 are equipped with the delivery outlet 36a of output mixture material, the circumferential surface of latch plate 37 and the inner wall of cylinder 36
Connection, the magnet spool and armature are separately mounted on latch plate 37 and the first support member 38.
As shown in Figures 5 to 7, when the solenoid is energized, closed action is generated between electromagnet armature a and coil b,
Generating a downward active force to latch plate 37 in this way makes latch plate 37 that elastic deformation, when the electromagnet is powered off, armature a occur
It being separated with coil b, latch plate 37 resiles, since the closure of electromagnet, disconnected shape operating frequency are very high, so that spring
Plate 37 generates continuous shock effect.To be dispersed and be made powder to collide with latch plate 37 to powder.
As shown in Figures 5 to 7, vibration feeding mechanism F further includes friction member 37a, and friction member 37a is mounted on spring
Plate 37 carries on the end face of mixed material.Shaking feeding mechanism F further includes the elastomeric element 40 being supported to latch plate 37, bullet
Property component one end connect with latch plate, the support by elastomeric element 40 to latch plate 37, enable latch plate 37 carrying more
More powders.
As shown in Figures 5 to 7, stock guide 31 guides the mixed material for shaking the output of feeding mechanism F delivery outlet；Shake
When dynamic feeding mechanism F vibration, since the upper surface of latch plate 37 is inclined, with continuous vibration, powder is to defeated
It is mobile to export 36a direction, so that powder is output on stock guide 31 from vibration feeding mechanism F, stock guide 31 is equipped with
Deflector chute, powder are moved along deflector chute, to reach on rotating separation roller 33.
As shown in figure 5, corona electrode 32 makes negative electrical charge on resin powder and metal powder grain band, corona electrode 32 is located at guide
The downstream of 31 output end of plate；Rotating separation roller 33 is carried from 31 output mixture material of stock guide, and corona electrode 32 is located at
The side of rotating separation roller 33, rotating separation roller 33 are adsorbed on negatively charged mixture on the separation barrel 33；It is right
Metal powder grain generates the stationary electrode that electrostatic attraction makes metal powder grain be detached from rotating separation roller, which is located at rotating separation rolling
The side of cylinder, stationary electrode are located at the downstream of corona electrode；The brush that the resin powder brush being adsorbed on rotating separation roller is fallen,
Brush is set to the other side of rotating separation roller.
As shown in figure 5, granularity is that the resin powder of 0.05mm~0.5mm and metal powder grain are moved down in the guidance of stock guide 31
It moves on rotating separation roller 33, resin powder and the equal band of metal powder grain is made by negative ion bombardment caused by corona electrode 32
Upper negative electrical charge, the rapid power loss neutral of rotating separation roller 33 that metal powder grain passes through ground connection.Stationary electrode 34 is to metal powder
Grain generation electrostatic attraction disengages it from rotating separation roller 33 and falls into metal collection area.Resin powder is retained in by electrode repulsion
The surface of rotating separation roller 33 is fallen by the brush of brush 35 after rotating together with rotating separation roller 33, falls into non-metal collection area.
Claims (10)
1. a kind of be used to prepare the separation method for moulding the spent resin of the wooden particle, which comprises the following steps:
S1, the material containing spent resin is transported in pre- cold containers and that closes pre- cold containers outputs and inputs mouth, to pre-cooling
Liquid nitrogen is inputted in container, the material being located in pre-cooling container is cooled down, and control cooling time is 5 to 15 minutes, is made
Material embrittlement；
Material after cooling is sent the material block that 1~3mm is broken into crusher by S2；
S3, material block are transported in apparatus for temporary storage by the first conveying mechanism, are inputted liquid nitrogen to apparatus for temporary storage, are kept material block
Brittleness；
Material block in apparatus for temporary storage is sent by second conveyor structure into high speed disintegrator, resin-oatmeal is obtained after crushing by S4
The partial size of the mixed material of grain and metal powder grain, resin powder and metal powder grain is 0.05~0.5mm；
Said mixture is sent to progress first time sorting, eddy current separator in eddy current separator and generates high-frequency alternating by S5
Magnetic field makes to generate inductive loop in non-magnetic conductor metal powder, and non-magnetic conductor metal powder obtains a thrust from mixed material
It separates；
S6, the mixed material exported from eddy current separator are sent to electrostatic separation apparatus by third conveying mechanism and carry out second
Sorting, separates metal powder grain and resin powder by electrostatic separation apparatus, to obtain the resin that the wooden particle is moulded in preparation
Powder.
2. a kind of separation method of spent resin for being used to prepare the wooden particle of modeling according to claim 1, which is characterized in that
In S1, the temperature in pre- cold containers is controlled at -80~-110 DEG C.
3. a kind of separation method of spent resin for being used to prepare the wooden particle of modeling according to claim 1, which is characterized in that
In S4, apparatus for temporary storage cooling temperature is controlled at -40~-60 DEG C.
4. a kind of separation method of spent resin for being used to prepare the wooden particle of modeling according to claim 1, which is characterized in that
In S5, after eddy current separator carries out first time sorting to mixed material, dispersion is stirred to remaining mixed material.
5. a kind of separation method of spent resin for being used to prepare the wooden particle of modeling according to claim 1, which is characterized in that
In S6, electrostatic separation apparatus is transported to the mixed material in electrostatic separation apparatus to third conveying mechanism and carries out after vibration dispersion again
It is sorted.
6. a kind of separation method of spent resin for being used to prepare the wooden particle of modeling according to claim 1, which is characterized in that institute
Stating crusher includes:
First hopper, the first hopper are used to receive the material after cooling of pre- cold containers output；
Cabinet, one end of the cabinet are connect with the first hopper；
First crushing mechanism, first crushing mechanism are mounted on cabinet, the first crushing mechanism to the material entered in case with
The mode of shearing is crushed；
Second crushing mechanism, second crushing mechanism are mounted on the downstream on cabinet and being located at the first crushing mechanism, and second is broken
The material of the precrushing is broken into the material block of 1~3mm by mechanism.
7. a kind of separation method of spent resin for being used to prepare the wooden particle of modeling according to claim 6, which is characterized in that institute
Stating the first crushing mechanism includes:
First axle, the both ends of the first axle are rotatably supported on the cabinet；
Second axis, the both ends of second axis are rotatably supported on the cabinet；
One end of first axle and the second axis be equipped with driving first axle and the second axis rotation first gear transmission mechanism, first axle and
Cut part is respectively equipped on the axle body of second axis.
8. a kind of separation method of spent resin for being used to prepare the wooden particle of modeling according to claim 6, which is characterized in that institute
Stating the second crushing mechanism includes:
First cutter shaft, the both ends of first cutter shaft are rotatably supported on the cabinet；
Second cutter shaft, the both ends of second cutter shaft are rotatably supported on the cabinet；
The material of the precrushing is cut into the cutterhead of material block, is mounted on the knife on the first cutter shaft and the second cutter shaft
Disk；
One end of first cutter shaft and the second cutter shaft is equipped with the second gear transmission mechanism of the first cutter shaft of driving and the rotation of the second cutter shaft.
9. a kind of separation method of spent resin for being used to prepare the wooden particle of modeling according to claim 1, which is characterized in that institute
Stating apparatus for temporary storage includes:
For keeping in the temporary cabinet of material block；
It is mounted on the intracorporal tape handler of holding tank, is transported to temporarily for carrying temporary material block, and by temporary material block
Deposit the output port of cabinet；
Material block push on the tape handler corresponded to below temporary cabinet input port, which will be deposited in, is dispersed in material block
Pusher on tape handler, a part of the pusher are located at the outside of temporary cabinet, another portion of pusher
Quartile is in holding tank body and above tape handler.
10. a kind of separation method of spent resin for being used to prepare the wooden particle of modeling according to claim 9, which is characterized in that
The apparatus for temporary storage further includes that material block is prevented to drop into the filling in one end and holding tank body of tape handler between wall surface
Component, filling component matching is in one end of tape handler and holding tank body between wall surface.
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| CN201910447520.XA CN110181715B (en) | 2019-05-27 | 2019-05-27 | Separation method of waste resin for preparing plastic-wood particles |
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|---|---|---|---|
| CN201910447520.XA CN110181715B (en) | 2019-05-27 | 2019-05-27 | Separation method of waste resin for preparing plastic-wood particles |
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| CN203508141U (en) * | 2013-09-30 | 2014-04-02 | 常州万基干燥工程有限公司 | Raw material crusher |
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Also Published As
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|---|---|
| CN110181715B (en) | 2021-11-02 |
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