CN102786712B - Device for regenerating waste and old thermosetting plastics, and technology thereof - Google Patents

Abstract

The invention discloses a device for regenerating waste and old thermosetting plastics, and a technology thereof. The device is characterized in that the device comprises a breaker used for breaking the waste and old thermosetting plastics to obtain a broken material, and a conveyer belt is arranged to send the broken material to a degrader; the degrader, a regenerator and an extrusion compressor are arranged in a vertical structure manner; and the material outlet of the degrader is connected to the material inlet of the regenerator, and the material outlet of the regenerator is connected to the hopper of the extrusion compressor. The regeneration of the waste and old thermosetting plastics is realized through crude breaking, degradation, regeneration and extrusion mold pressing of the waste and old thermosetting plastics. In the invention, an efficient regeneration recovery method is provided for the recycle of the waste thermosetting plastics which are difficult to regenerate, and the recycle from the waste and old thermosetting plastics to regenerated products is realized, so the thermosetting plastics can be widely applied.

Description

A kind of waste and old thermosetting resin reclaim equiment and reclaiming process

Technical field

The present invention relates to a kind of reclaim equiment and reclaiming process, more particularly relate to a kind of waste and old thermosetting resin reclaim equiment and reclaiming process.

Background technology

Thermosetting resin refers to that chemical transformation occurs resin in the course of processing, and the linear structure of molecular structure from processing becomes cross-linked network, and goods have class plastics of insoluble not molten feature.Conventional thermosetting resin has urethane, resol, epoxy resin, unsaturated polyester, melamine and urea-formaldehyde resin etc.Thermosetting resin has many differences with thermoplastics in performance, and it has that intensity is high, creep resistant good, heat resisting temperature is high, accurate to dimension is high and the advantage such as arc resistance is good.Thermosetting resin is mainly used in the Application Areass such as electrical apparatus insulation, daily, mechanical, building and glass reinforced plastic.Because its goods have insoluble moltenly, thermosetting resin is recycled quite difficulty, thereby has caused a large amount of rubbish, and contaminate environment becomes waste, thereby research is recycled thermosetting resin tool and had very important significance.

The recovery method now having worked out mainly contains Physical and chemical method.Physical refers to chemical structure in the case of not destroying high molecular polymer itself, does not change its essentially consist, only change the method for directly utilizing after the physical aspect of waste, this method production efficiency compared with high, simple to operate, secondary pollution is few, but the product properties of producing is poor, can only make secondary articles for use and use, economic benefit is low; Chemical method is recycle or make gac by sintering by being cracked into monomer and oligopolymer, and defect is complex process, poor for applicability, organic efficiency is low, and production cost is high, and technical difficulty is higher, the toxic byproduct that reaction produces is difficult to control, serious environment pollution.

Summary of the invention

The present invention seeks to the deficiency of the recovery method in order to solve existing waste and old thermosetting resin, proposed that a kind of recovery value is high, good economy performance, waste and old thermosetting resin reclaim equiment and the reclaiming process little to environmental influence, realization from waste material to the recycling of raw product again, improves the widespread use of thermosetting resin to waste and old thermosetting resin.

The present invention is that technical solution problem adopts following technical scheme:

The constructional feature of the waste and old thermosetting resin reclaim equiment of the present invention is to arrange:

One shredder assembly, for waste and old thermosetting resin being carried out to the broken broken material that obtains, arranges conveying belt broken material is sent into decomposition apparatus; Described decomposition apparatus and regenerating unit and extrude compression set and be vertical structure setting; Wherein, the opening for feed of the discharge port access regenerating unit of described decomposition apparatus, the hopper of compression set is extruded in the discharge port access of described regenerating unit.

The constructional feature of the waste and old thermosetting resin reclaim equiment of the present invention is also:

In described decomposition apparatus, be provided with cutting mechanism and grinding mechanism, described cutting mechanism is comprised of rotating shearing cutter shaft and the annular stationary knife that is positioned at shearing cutter shaft periphery, the split in the axial direction along annular stationary knife of described shearing cutter shaft is set to left cutter shaft and right cutter shaft, and described left cutter shaft and right cutter shaft have herring-bone cutter tooth; In described grinding mechanism, have many group movable grinding discs and static cutting disk to be oppositely arranged, described movable grinding disc is separately fixed at the two ends of left cutter shaft and right cutter shaft, and described static cutting disk is fixed in frame;

Described regenerating unit is set to: the periphery at swiveling wheel is fixedly installed blade, and the split in the axial direction along swiveling wheel of described blade is set to left blade and right blade; Between described left blade and right blade, keep end play, at the top of described regenerating unit, be provided with adapted material entrance.

The described compression set of extruding is set to: described hopper is arranged on the top of feed system, and described feed system is connected with machine barrel; Described barrel jacket has multiple ring shaped heating mechanisms, and the whole screw portion with ring shaped heating mechanism of stay-warm case parcel is provided with exhaust system on described machine barrel; The rotation that drive-motor is screw rod by deceleration distributor box provides motivating force; At the output terminal of screw rod, punch is arranged on moving portable plate, and die embeds in the groove of retaining plate, is provided with rising head and through hole on die wall; The die head of described machine barrel is aimed at the through hole on die wall.

The processing method that the present invention utilizes waste and old thermosetting resin reclaim equiment to carry out waste and old thermosetting resin regeneration is to be undertaken by following flow process:

A, utilize shredder assembly to carry out fragmentation to waste and old thermosetting resin, obtain broken material;

B, utilize tape transport in decomposition apparatus described broken material, by shearing and the grinding of decomposition apparatus, and because shearing and the acting in conjunction of the heat that grinding produces, broken material generation Mechanochemical Effect is degraded, obtain tiny degraded polypropylene;

C, described degraded polypropylene enter in regenerating unit, and add adapted material to regenerating unit, by regenerating unit, degraded polypropylene is mixed with adapted material, utilize strong mechanical force and the heat of friction that described regenerating unit produces in whipping process to realize regenerative process, obtain reworked material; Described adapted material is thermoplastics and auxiliary agent;

D, described reworked material enter to be extruded in compression set, described, utilize the rotation of screw rod in machine barrel to realize conveying, melting, shearing and the exhaust to reworked material in extruding compression set, finally reworked material is compressed, the pressure producing makes doughy reworked material extrude from die head, and propelling movement enters die;

E, when being full of reworked material in die, stop extruding extruding of compression set, start and extrude the Clamping System of compression set, the release die sinking plastic component that gets product after matched moulds pressurize.

It is poor that the present invention overcomes original Physical product properties, and the shortcoming that economic benefit is low not only makes waste material generation physical change by mechanical-physical effect, produce Mechanochemical Effect simultaneously, impel chemical property to change, waste material obtains degraded, recovers processability; Under mechanical-physical effect, by adding the strong mechanical force that produces in thermoplastics composition and auxiliary agent and whipping process and heat of friction effect, impel between thermosetting resin and thermoplastics molecular structure chemical reaction occurs, realize regenerative process, obtain dough shape reconstituted mixt, by the extruding and compressing and forming process of recovery system, obtain the reprocessed plastic(s) goods with stronger mechanical property like this.Compared with prior art, beneficial effect of the present invention is embodied in:

1, many groups of decomposition apparatus of the present invention shearings, grinding mechanisms are provided with order compactness, and material can effectively obtain the comprehensive action of the multiple mechanical forces such as shearing, extruding, impact and friction and heat of friction.Material under lasting strong mechanical force and heat of friction comprehensive action, not only makes physical properties form change in decomposition apparatus, also makes molecular structure chemical property change, thereby makes material generation degradation process.

2, the set of blades of regenerating unit of the present invention is along with the rotation of swiveling wheel not only can impel mixing of materials even, and impel between thermosetting resin and thermoplastics functional group and produce chemical reaction, recover the plasticity-working ability of thermosetting resin as thermoplasticity, realize regenerative process.

3, the present invention, to the doughy reworked material compressed moulding immediately being just extruded, can effectively utilize the mobility of molten state to make compound compressed moulding.

4, coarse crushing, degraded, regeneration, the melting of the present invention by waste and old thermosetting resin, extrude, regeneration that the technique such as compression has realized waste and old thermosetting resin recycles, each device is interdependent successively, form a production line completing, there is very large environmental benefit and economic benefit.

Accompanying drawing explanation

Fig. 1 is regeneration system rapidly schematic diagram of the present invention;

Fig. 2 is decomposition apparatus structural representation in the present invention;

Fig. 3 a is shear knife axle construction schematic diagram in the present invention;

Fig. 3 b is mill schematic diagram in the present invention;

Fig. 4 is regenerating unit structural representation in the present invention;

Number in the figure: 1 shredder assembly; 2 screen clothes; 3 conveying belt; 4 decomposition apparatus; 5 adapted material entrances; 6 regenerating units; 7 extrude compression set; 8 drive-motor; 9 deceleration distributor boxes; 10 hoppers; 11 feed systems; 12 stay-warm cases; 13 ring shaped heating mechanisms; 14 screw rods; 15 exhaust system; 16 die heads; 17 machine barrels; 18 guide pillars; 19 moving portable plates; 20 punch; 21 dies; 22 retaining plates; 23 frames; 24 annular stationary knifes; 25 left cutter shafts; 26 right cutter shafts; 27 movable grinding discs; 28 static cutting disks; 29 left blades; 30 right blades; 31 swiveling wheels.

Embodiment

Referring to Fig. 1, in the present embodiment, the structure setting of waste and old thermosetting resin reclaim equiment comprises:

One shredder assembly 1, for waste and old thermosetting resin being carried out to the broken broken material that obtains, arranges conveying belt 3 broken material is sent into decomposition apparatus 4; Decomposition apparatus 4 and regenerating unit 6 and extrude compression set 7 and be vertical structure setting; Wherein, the opening for feed of the discharge port access regenerating unit 6 of decomposition apparatus 4, the hopper 10 of compression set 7 is extruded in the discharge port access of regenerating unit 6.

In concrete enforcement, corresponding structure setting also comprises:

Referring to Fig. 1 and Fig. 2, in decomposition apparatus 4, be provided with cutting mechanism and grinding mechanism, cutting mechanism is comprised of rotating shearing cutter shaft and the annular stationary knife 24 that is positioned at shearing cutter shaft periphery, shear cutter shaft split in the axial direction along annular stationary knife 24 and be set to left cutter shaft 25 and right cutter shaft 26, left cutter shaft 25 and right cutter shaft 26 have herring-bone cutter tooth.

Shown in Fig. 2, left cutter shaft 25 and right cutter shaft 26 matrixes are right cylinder, center is axis hole, four groups of herring-bone cutters tooth are evenly arranged on the surrounding of cutter shaft, the cutter part that protrude at left cutter shaft 25 and right cutter shaft 26 two ends has the effect of stirring for the material under static cutting disk 28 and movable grinding disc 27, two processes of the shearing of material and grinding loop, the effect that material rotates through axial force and the shearing cutter shaft of herring-bone cutter tooth after shearing action, enter under static cutting disk 28 and movable grinding disc 27, the cutter part of being protruded stirs, enter grinding in mill mill chamber, by the material of grinding, owing to rotating impact effect in grinding chamber, in mill chamber, thrown away, enter in cutting mechanism and again shear, material back and forth " circulation " is sheared and grinding effect, make the fine homogenization of material.On the inner cylinder face of annular stationary knife 24, there is equally distributed cutter tooth.Material enters after cutting mechanism, be subject to shock and the strong shear action of the shearing cutter tooth on the shearing cutter shaft of high speed rotating, with shearing the material of cutter shaft rotation and static annular stationary knife 24 cutters tooth, do relative shear campaign simultaneously, under periodic high frequency shearing action, cause the cross-linked network of material destroy and disintegrate, material is pulverized in this region.

Referring to Fig. 2, Fig. 3 a and Fig. 3 b, grinding mechanism has many group movable grinding discs 27 and static cutting disk 28 to be oppositely arranged, and movable grinding disc 27 is separately fixed at the two ends of left cutter shaft 25 and right cutter shaft 26, and static cutting disk 28 is fixed in frame 23; Static cutting disk 28 is identical with the structure of movable grinding disc 27, is torus, and center is through hole, on the ring surface of a side, is provided with roll flute; Be positioned at left cutter shaft 25 and right cutter shaft 26 two ends totally four groups of movable grinding discs 27 and static cutting disk 28, movable grinding disc 27 together rotates with shearing cutter shaft, between movable grinding disc 27 and static cutting disk 28, forms grinding chamber.Through shearing the material attenuating, enter after the structure of grinding chamber, be subject to shearing force that 28 relative movement of movable grinding disc 27 and static cutting disk form and strong squeeze and be ground into tiny powder, extruding, hoop stress and three-dimensional shearing action that material is subject in this course, material cross-linked network is further destroyed, molecular chain structure fracture, material is degraded.

Referring to Fig. 1 and Fig. 4, regenerating unit 6 is set to: in the periphery of swiveling wheel 31, be fixedly installed long strip shape blade, blade and swiveling wheel 31 form the stirring mechanism of regenerating unit, and blade split in the axial direction along swiveling wheel 31 is set to left blade 29 and right blade 30; Between left blade 29 and right blade 30, keep end play, at the top of regenerating unit, be provided with adapted material entrance 5.After the material including adapted material enters regenerating unit 6, along with the blade of swiveling wheel 31 high speed rotating impels mixing of materials even, the strong mechanical force simultaneously producing in whipping process and rubbing effect impel between thermosetting resin and thermoplastics molecular structure chemical reaction occur, depending on Van der Waals force finally makes thermoset separated from one another and thermoplastic polymer molecules merge, recover the plasticity-working ability of thermosetting resin as thermoplasticity, obtain reworked material.

Shown in Fig. 1, extrude compression set and be set to: hopper 10 is arranged on the top of feed system 11, feed system 11 is connected with machine barrel 17; Machine barrel 17 overcoats have multiple ring shaped heating mechanisms 13, and stay-warm case 12 wraps up whole screw rod 14 parts with ring shaped heating mechanism 13, and exhaust system 15 is installed on machine barrel 17; Drive-motor 8 provides motivating force by deceleration distributor box 9 for the rotation of screw rod 14; At the output terminal of screw rod 14, punch 20 is arranged on moving portable plate 19, and die 21 embeds in the groove of retaining plate 22, on die 21 walls, is provided with rising head and through hole; The die head 16 of machine barrel 7 is aimed at the through hole on die 21 walls.

The processing method that the present embodiment utilizes Fig. 1 apparatus shown to carry out waste and old thermosetting resin regeneration is to be undertaken by following flow process:

1, utilize shredder assembly to carry out fragmentation to waste and old thermosetting resin, obtain broken material.

2, utilize tape transport in decomposition apparatus broken material, by shearing and the grinding of decomposition apparatus, and because of the acting in conjunction of heat of shearing and grinding produces, broken material generation Mechanochemical Effect is degraded, obtain tiny degraded polypropylene.

3, open the discharging mechanism of decomposition apparatus, degraded polypropylene enters in regenerating unit, adapted material entrance 5 by regenerating unit adds adapted material, by regenerating unit, degraded polypropylene is mixed with adapted material, utilize the effect of strong mechanical force that regenerating unit produces in whipping process and heat of friction to impel between thermosetting resin and thermoplastics molecular structure chemical reaction occurs, realize regenerative process, obtain reworked material; Adapted material is thermoplastics and auxiliary agent.

4, open the discharging mechanism of regenerating unit, reworked material enters in the hopper of extruding compression set, utilize the rotation of screw rod in machine barrel to realize conveying, melting, shearing and the exhaust to reworked material extruding in compression set, finally reworked material is compressed, the pressure producing makes doughy reworked material extrude from die head, and propelling movement enters die.

5, when being full of reworked material in die, stop extruding extruding of compression moulding device, start and extrude the Clamping System of compression moulding device, moving portable plate drives punch to move downward, and material is compressed to the release die sinking plastic component that gets product after matched moulds pressurize.

In concrete enforcement, in order to strengthen regeneration effect, as the waste and old thermosetting resin of processed raw material, take thermosetting phenolic lamination, mould returns or thermoset hard polyaminoester plastics as example: raw material and adapted material are by following mass percent proportioning:

Thermosetting phenolic lamination is moulded returns or thermoset hard polyaminoester plastics: 70-80%;

Polypropylene PP:18-28%

Antioxidant 1010: 0.5-1%

Antioxidant 168:0.5-1%.

Extruding in compression process, utilize ring shaped heating mechanism 13 to heat machine barrel 17, the temperature that makes machine barrel 17 is 170-180 ℃, punch 20 is when in die 21, dough shape reworked material compresses, pressurization pressure is 7-10Mpa, and pressurize pressure is 3-6Mpa, and the dwell time is 9-12 minute.

For what provide in the present embodiment, take thermosetting phenolic lamination, mould the concrete enforcement as processed raw material of returns or thermoset hard polyaminoester plastics, it is 2500-5000r/min that the rotating speed of left cutter shaft 25 and right cutter shaft 26 in decomposition apparatus is set, the time of the degraded of process decomposition apparatus is 80-120 minute, the speed of rotation that swiveling wheel in regenerating unit 6 is set is 1000-3000r/min, and completing the recovery time is 10-20 minute.

Embodiment 1:

The present embodiment is take waste and old thermosetting phenolic stratified plastics as example:

First, waste and old thermosetting phenolic stratified plastics slightly breaks by shredder assembly 1, and the material of coarse crushing falls down by screen cloth 2, obtains broken material, and recycling conveying belt 3 is transported to the opening for feed of decomposition apparatus 4.

Broken material is entered in decomposition apparatus 4 by opening for feed, the rotating speed of controlling shearing cutter shaft is 3500r/min, thicker material starts through shearing the shearing that relatively rotated between cutter shaft and annular stationary knife 24, then along with the tiny material of shearing cutter shaft rotation enters the grinding chamber between movable grinding disc and static cutting disk, relatively rotating between movable grinding disc 27 and static cutting disk 28 makes material be subject to the effects such as strong shearing, extruding and friction and completes fine pulverizing; The herring-bone cutter tooth of shearing on cutter shaft is subject to the motion of responsive to axial force transverse reciprocating along with the rotation of cutter shaft makes material, the cutter part of shearing cutter shaft two ends protrusion has the effect of stirring to the material under movable grinding disc and static cutting disk, shearing and two processes of grinding loop, and make the fine homogenization of material.Broken material through multiple mechanical forces such as shearing, extruding, impact and frictions and under the comprehensive action of heat of friction, by long pulverizing, makes on the one hand material powder particle particle size reduction in decomposition apparatus; Long-time mechanical force makes material generation degradation process on the other hand.After 100min, open the discharging mechanism of decomposition apparatus, gained degraded polypropylene enters the opening for feed of regenerating unit.

Degraded polypropylene is entered in regenerating unit 6 by opening for feed, and adding polypropylene PP, antioxidant 1010 and antioxidant 168 from the adapted material entrance 5 of regenerating unit 6, the adapted material adding and the mass ratio of degraded polypropylene are respectively: 70% degraded polypropylene, 28% polypropylene PP, 1% antioxidant 1010,1% antioxidant 168.The speed of rotation of controlling regenerating unit 6 is 1500r/min, swiveling wheel 31 drives rectangular blade rotation, rectangular blade mixes compound, and the strong mechanical force producing in whipping process and heat of friction effect impel between thermosetting resin and thermoplastics molecular structure chemical reaction occur, realize regenerative process, obtain reworked material.After 15 minutes, open the discharging mechanism of regenerating unit 6, gained reworked material enters the hopper 10 of extruding compression set 7.

Reworked material is entered in feed system 11 by hopper 10, by delivering in machine barrel 17 of feed system 11, drive-motor 8 drives the rotation of screw rod 14, screw rod 14 is in the interior rotation of machine barrel 17, conveying, melting, shearing and the exhaust of realization to reworked material, finally to reworked material, compression produces pressure, and reworked material is extruded from die head 16.In this process, ring shaped heating mechanism 13 heats machine barrel 17, makes the temperature of machine barrel 17 be controlled at 170-180 ℃, material is after Solid Conveying and Melting, compression melting, by pellet, become dough shape, during through exhaust system 15, the moisture of material and volatile gases are discharged machine barrel 17 by exhaust system 15.

Lower surface and retaining plate 22 surfaces of inwall, punch 20 that during beginning, methyl-silicone oil releasing agent are evenly distributed in to die 21 are upper, by extruding the adjustment of Clamping System of compression set 7, punch 20 just inserted in die 21 a bit, form the die cavity of sealing.Doughy reworked material is squeezed into die 21 through through hole from die head 16, after being full of reworked material in die 21 die cavitys, from rising head, emerge, extrusion stops, start the Clamping System of extruding compression set 7, the moving portable plate 19 moving along guide pillar 18 drives punch 20 to move downward, reworked material is compressed, the pressure size of pressurization is 9Mpa, make doughy reworked material smaller volume, compacting, pressurize is release die sinking after 11 minutes, the pressure size of pressurize is 4Mpa, finally the plastic component in die 21 is taken out.

The thermosetting phenolic stratified plastics part being pressed into is through Mechanics Performance Testing, and it has 25.53Mpa flexural strength, 40.27MPa tensile strength, 18.28KJ/m ²shock strength.

Embodiment 2:

The present embodiment is take waste and old thermoset hard polyaminoester plastics as example:

Whole reclaiming process flow process is with embodiment 1, and in degradation process, the speed setting of shearing cutter shaft is 2500r/min, and completing degradation time is 80 minutes.In regenerative process, the adapted material and the degraded polypropylene that add are respectively by mass percentage: 80% degraded polypropylene, 19% polypropylene PP, 0.5% antioxidant 1010 and 0.5% antioxidant 168, the speed of rotation of regenerating unit 6 is set as 1000r/min, and completing the recovery time is 12 minutes.Extruding in compression process, the temperature of machine barrel 17 is controlled at 170-180 ℃, and pressurization pressure size is 7Mpa, and pressurize pressure size is 4Mpa, and the dwell time is 9 minutes.

The thermoset hard polyaminoester plastic component being pressed into is through Mechanics Performance Testing, and it has 14.53Mpa flexural strength, 25.46MPa tensile strength, 6.78KJ/m ²shock strength.

Claims (3)

1. a waste and old thermosetting resin reclaim equiment, is characterized in that arranging:

One shredder assembly (1), for waste and old thermosetting resin being carried out to the broken broken material that obtains, arranges conveying belt (3) broken material is sent into decomposition apparatus (4); Described decomposition apparatus (4) and regenerating unit (6) and extrude compression set (7) and be vertical structure setting; Wherein, the opening for feed of the discharge port access regenerating unit (6) of described decomposition apparatus (4), the hopper (10) of compression set (7) is extruded in the discharge port access of described regenerating unit (6);

In described decomposition apparatus (4), be provided with cutting mechanism and grinding mechanism, described cutting mechanism is comprised of rotating shearing cutter shaft and the annular stationary knife (24) that is positioned at shearing cutter shaft periphery, described shearing cutter shaft is set to left cutter shaft (25) and right cutter shaft (26) in the axially upper split along annular stationary knife (24), and described left cutter shaft (25) and right cutter shaft (26) have herring-bone cutter tooth; In described grinding mechanism, there are many group movable grinding discs (27) and static cutting disk (28) to be oppositely arranged, described movable grinding disc (27) is separately fixed at the two ends of left cutter shaft (25) and right cutter shaft (26), and described static cutting disk (28) is fixed in frame (23);

Described regenerating unit (6) is set to: the periphery at swiveling wheel (31) is fixedly installed blade, and described blade is set to left blade (29) and right blade (30) in the axially upper split along swiveling wheel (31); Between described left blade (29) and right blade (30), keep end play, at the top of described regenerating unit, be provided with adapted material entrance (5).

2. waste and old thermosetting resin reclaim equiment according to claim 1, extrudes compression set described in it is characterized in that and is set to: described hopper (10) is arranged on the top of feed system (11), and described feed system (11) is connected with machine barrel (17); Described machine barrel (17) overcoat has multiple ring shaped heating mechanisms (13), and stay-warm case (12) wraps up the whole screw rod with ring shaped heating mechanism (13) (14) part, and exhaust system (15) is installed on described machine barrel (17); The rotation that drive-motor (8) is screw rod (14) by deceleration distributor box (9) provides motivating force; At the output terminal of screw rod (14), it is upper that punch (20) is arranged on moving portable plate (19), and die (21) embeds in the groove of retaining plate (22), on die (21) wall, is provided with rising head and through hole; The die head (16) of described machine barrel (17) is aimed at the through hole on die (21) wall.

3. utilize the processing method that equipment carries out waste and old thermosetting resin regeneration described in claim 1, it is characterized in that being undertaken by following flow process:

A, utilize shredder assembly to carry out fragmentation to waste and old thermosetting resin, obtain broken material;

B, utilize tape transport in decomposition apparatus described broken material, by shearing and the grinding of decomposition apparatus, and because shearing and the acting in conjunction of the heat that grinding produces, broken material generation Mechanochemical Effect is degraded, obtain tiny degraded polypropylene;

C, described degraded polypropylene enter in regenerating unit, and add adapted material to regenerating unit, by regenerating unit, degraded polypropylene is mixed with adapted material, utilize strong mechanical force and the heat of friction that described regenerating unit produces in whipping process to realize regenerative process, obtain reworked material; Described adapted material is thermoplastics and auxiliary agent;

D, described reworked material enter to be extruded in compression set, described, utilize the rotation of screw rod in machine barrel to realize conveying, melting, shearing and the exhaust to reworked material in extruding compression set, finally reworked material is compressed, the pressure producing makes doughy reworked material extrude from die head, and propelling movement enters die;

E, when being full of reworked material in die, stop extruding extruding of compression set, start and extrude the Clamping System of compression set, the release die sinking plastic component that gets product after matched moulds pressurize.

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