CN104526904B - A kind of automobile-used waste and old GMT material recoveries prilling process and its special purpose device - Google Patents
A kind of automobile-used waste and old GMT material recoveries prilling process and its special purpose device Download PDFInfo
- Publication number
- CN104526904B CN104526904B CN201410808672.5A CN201410808672A CN104526904B CN 104526904 B CN104526904 B CN 104526904B CN 201410808672 A CN201410808672 A CN 201410808672A CN 104526904 B CN104526904 B CN 104526904B
- Authority
- CN
- China
- Prior art keywords
- mixing
- waste
- gmt
- automobile
- old
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- B29B7/00—Mixing; Kneading
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/7461—Combinations of dissimilar mixers
-
- 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
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/72—Measuring, controlling or regulating
- B29B7/726—Measuring properties of mixture, e.g. temperature or density
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a kind of automobile-used pelletizing recovered waste plastic method and its special purpose device, the device takes full advantage of the mixing Characteristics of banbury and the mouldability of extruder.The problem of serialization is processed can not be formed by not only solving banbury and extruder, but also effectively increase waste or used plastics plasticate, melt, modification evenness while improve the material feeding ability of equipment, it is set to have not only conformed to the charging without automobile-used GMT materials produce leftover pieces broken in advance, and it has been also adapted to the charging of the waste and old automobile-used GMT traps of bulk, thus without being crushed to waste or used plastics, because noise, dust etc. are to the harm caused by labourer when avoiding broken, processing step is also saved simultaneously, production cost is reduced.
Description
Technical field
It is a kind of car specifically the present invention relates to a kind of automobile-used pelletizing recovered waste plastic method and its special purpose device
With waste and old GMT material recoveries prilling process and its special continuous mixing extruding pelletization device.
Background technology
As automobile develops to lightweight, energy-saving and emission-reduction, Comfortable attractive direction, plastics are all in the consumption of automotive field and day
Increase, its consumption and its application technology are often into the important indicator for weighing a national auto industry level.But it is beyond expectation
, just because of the extensive application of these plastics, cause it to turn into the durable rubbish being stale-proof after use or consumption, day accumulate the moon
It is tired, " white pollution " problem in the whole world will be further aggravated, the quality of life of people is directly affected or even threatens people's
It is physically and mentally healthy.
In recent years, Domestic Automotive Industry is quickly grown, it is introduced that China's automobile annual production in 2010 and learies have been distinguished
Break through 15,000,000 and 7,000,000.It is expected that in the coming years, rapid growth will be presented in recoverable amount and the learies of China's automobile
Trend.Thus, the environmental protection treatment of abandoned car and scrap the problem that recycles of vehicle material and be increasingly subject to the wide of international community
General concern.
Glass fiber mat reinforced thermoplastic composite (Glass MatReinforced Thermoplastic) is referred to as
GMT, it is a kind of using thermoplastic resin as matrix, using long glass fibres or continuous glass-fiber felt as the composite of reinforcing material,
Typically sheet material is made to supply with semi-finished product.Because it has high specific strength, high impact properties, lightweight, short molding cycle, production effect
Rate is high, the low plurality of advantages of processing cost, and the favor person as auto industry.Compared with same with thermosetting compound material, GMT materials
Matrix be thermoplastic resin, be heated to more than the fusing point of matrix resin that material softening can be made.Thus be molded when cause waste product,
Damaged product during leftover pieces and use, through melting down heating, reshaping processing, can regain new product.GMT materials
Regeneration advantage be that same with thermosetting compound material can not be mentioned in the same breath therewith, thus it is referred to as " the green work of 21 century
Industry material ".
The research on GMT MAT'L recyclings has many reports at present, with the scale of batch production in automobile
Tested in industry, and achieved good result.Method is substantially as follows：(1) trap is ground into chip, is used as original
Material is re-used for semi-finished product sheet production.It is used for the cars of Jaguar 300 as what U.S. GE Plastics and PPG companies produced jointly
The Azdel GMT materials of bumper, are used in the blending of 20/80 ratio with GMT green woods after the recovered crushing of waste and old bumper, then
It is composited.(2) discarded or broken parts are crushed, blends as supporting material, be made through melting extrusion together with short glass fiber
Modified particle, for injection or extruded product.As referred in domestic patent CN1651502A and CN1651503A on automobile
Inside gadget employs the technique with the recovery method of TRPP composite.Above two technical scheme is to pass
Melting regeneration technology in meaning of uniting, its Process ba- sis is all first to crush to melt reshaping afterwards, but the technique is in specific implementation
Still there are many deficiencies in operating process.
A large amount of glass compositions are with the addition of in 1.GMT materials, not only noise is big in crushing process, and easily produced a large amount of
Dust pollution, deteriorates production sublimity, very big harm is caused to health；
2. disintegrating process is not suitable for light GMT, when light GMT material is by applied shock load, apparatus with shock absorbing
Approach and ability are higher than heavy GMT materials.For heavy GMT materials, material occur by collision rift, easily cracking, it is broken,
In brittle fracture, and a certain degree of deformation can occur for light GMT, to resist fracture；
3.GMT material glasses composition is big, and melt shear resistance is high, and the plastics recovery production equipment of prior art is made in melting
Majority does not consider GMT material modification technologies during grain, often because mixing is uneven, and causes recycled product poor performance, can only typically make
More low-grade plastic products；
4. processing variety is single, when the machine for such as reclaiming flexible article reclaims hard product, feeding inconvenience often damages electricity
Machine, even screw rod reduction gearbox, and the machine for commonly reclaiming hard product when then reclaiming flexible article yield it is very low.
If using for reference the mixing Characteristics of banbury, material is first subjected to fusion plastification by banbury, so that it is guaranteed that material is mixed
The uniformity and stability of conjunction, then by the material after mixing through forced feed machine squeeze into by force extruder carry out extruding pelletization, then
Waste or used plastics can be effectively increased to plasticate, melt and modification evenness.However, banbury is with extruding in existing banburying extruding technology
Machine is all separate devices, is each processed respectively, not only takes up an area and cost of investment is big, and specific energy consumption is more；Simultaneously again due to close
Mill belongs to batch-mixed equipment, is not only difficult to form serialization processing, and different batches material is difficult to reach phase
Same mixing.
The present invention is in view of appeal the deficiencies in the prior art and inconvenience, propose that one kind can waste and old GMT automobile-used to high-volume
Material carries out continuous, the quick production line for reclaiming granulation processing, and waste or used plastics are recycled, the warp of Plastics Industry is improved
Ji benefit and reduction plastic pollution have important meaning.
The content of the invention
The purpose of the present invention is the defect for prior art, proposes that one kind carries banburying system and with mixing, extrusion
The automobile-used waste and old GMT material recoveries prilling granulator and method of double effects.The device takes full advantage of the mixing Characteristics of banbury
With the mouldability of extruder.The problem of serialization is processed can not be formed by not only solving banbury and extruder, but also
Effectively increase waste or used plastics plasticate, melt, modification evenness while improve the material feeding ability of equipment, it is not only fitted
The charging without automobile-used GMT materials produce leftover pieces broken in advance has been answered, and has been also adapted to the waste and old automobile-used GMT of bulk and has been reclaimed
The charging of part, thus without being crushed to waste or used plastics, it is to avoid because noise, dust etc. are to the danger caused by labourer when broken
Evil, while also saving processing step, reduces production cost.
To achieve the above object, the present invention is achieved through the following technical solutions：
The invention discloses the automobile-used waste and old GMT material recoveries prilling process of one kind, it includes, and extruding is mediated, mixing is modified,
Three processes of extruding pelletization；Improved synchronized rotor mixer was used before this by waste and old automobile-used GMT traps or produce leftover pieces
Extruding is forced to mediate feeding banburying melter together with compatible modifying agent, lubricant with being coupled performance etc.；Banburying is melted
Melt the material in room to rely on the shearing from mixing machine barrel incoming heat and many rib helical rotors, crushing, extruding and mediate work
Constantly stirred with lower, carry out mixing modification；Material after mixing is modified fully is delivered to through the single screw rod below banburying melter
Extruder, the material of extrusion turns into plastic pellet after drawing-off, cooling, pelletizing, adds so as to realize mixing on a machine
Material, the purpose of continuity extrusion.
Concrete technology step is as follows：
(1) by waste and old automobile-used the GMT traps or produce leftover pieces of recovery together with the compatible modification with coupling performance
Agent, lubricant etc. are together from dog-house input feeding device, and the waste or used plastics in feeding device are more through two improved synchronizations
Rib helical rotor screw extrusion forces feeding banburying melter；
(2) material in Mi Lian melter rely on shearing from the incoming heat and many rib helical rotors of mixing machine barrel,
Constantly stirred under crushing, extruding and kneading effect, formation is multiple to shear, stretches and kneading disc, obtains fully mixing and is modified；
(3) knead sufficient material and be delivered to discharge transport portion through the automatically controlled valve that opens and closes of the adjustable discharge of aperture, it is automatically controlled to open
The aperture of valve closing can control the material degree of filling of material transporting velocity and discharge transport portion, to setting up pressure, change mixing strong
Degree is significant.
(4) material is after in end, through the adjustable discharge of aperture, automatically controlled keying valve is delivered to discharge transport portion, then through discharge
Pressure is set up under the effect of transport portion single screw rod, it is ensured that material is continuously gently delivered to extruder；
(5) material of extrusion turns into plastic pellet after drawing-off, cooling, pelletizing.
As a further improvement, to improve glass fibre and organic resin compatibility, improve the stretching of product, bending,
Impact strength, realizes high filling, reduces resin demand, improve rheological performance, improve surface smoothness.Can simultaneously it add in charging
Plus carry out alloy modification, the modifying agent bag after being mixed with compatible modifying agent, lubricant and waste or used plastics with being coupled performance
Include acrylate copolymer, grafted polar on the strand of maleic anhydride modified vistanex, ethylene acrylic acid co polymer
Any one in the grafting string such as monomer or maleic anhydride, or by acrylate copolymer, maleic anhydride modified poly-
Grafting of polar monomers or maleic anhydride etc. are grafted 2 in string on olefin resin, the strand of ethylene acrylic acid co polymer
Plant or 2 kind above materials any combination are constituted.The weight ratio of waste or used plastics and modifying agent is 100: (1-10).
Continuous mixing extruding pelletization device in methods described is main by material feeding mixing part, discharge transport portion and extrusion
Prilling section is constituted；Wherein, the classification of material feeding kneading part is like traditional banbury, including motor, deceleration distributor box, charging dress
Put, knead machine barrel, many rib helical rotors, heater, temperature cooling and automatically controlled keying and cut down composition；Discharge delivery section subpackage
Include drive screw, single screw rod, heater, temperature cooling and tapered cylinder composition；Extruding pelletization part can be used common
Double screw extruder, double screw extruder is equipped with a series of subsidiary engine needed for extruding pelletizations, including bosh, air-dry machine
With drawing-off pellet device.
As a further improvement, continuous mixing extruding pelletization device of the present invention, its material feeding mixing part is located at
The top of discharge transport portion, and the discharging opening of material feeding mixing part is connected to the charging of discharge transport portion single screw extrusion machine
Above mouthful, the automatically controlled keying valve of the adjustable discharge of aperture can be still set in the discharging opening that material feeding kneads part in a traditional way, by
This constitutes an entirety, and material is successively added and kneaded.Abundant material is kneaded to open through the adjustable discharge of aperture is automatically controlled in end
Valve closing is displaced into the defeated part of discharge.The automatically controlled aperture for opening and closing valve can control discharge rates to forming the defeated degree of being partially filled with of discharge,
Pressure is set up, the mixing intensity for changing mixing section is significant.
As a further improvement, material feeding mixing part of the present invention and discharge transport portion can be common using one
Speed-changing driving device and temperature control device.The speed-changing driving device of the equipment includes motor, deceleration distributor box and transmission
Screw rod；The temperature control device includes heater and temperature cooling, can select to add using electrical heating or steam as requested
Heat or hot-oil circulation heating technique, adapt to materials processing temperature control and require.
As a further improvement, to realize continuous mixing and extrusion, it is necessary to which the material kneaded is delivered into extruder
It is molded or is granulated, i.e., also needs to extruding pelletization part, extruding pelletization portion in addition to material feeding mixing part and discharge transport portion
Common double screw extruder can be selected by dividing, and material is realized continuous through continuous mixing feeding unit to double screw extruder feed
Property feeding mixing and extrude.
As a further improvement, material feeding mixing part is dual-rotor structure with many rib helical rotors, into certain during installation
Angle is arranged, and is mounted in parallel in mixing machine barrel, to avoid the abrasion of rotor and barrel, the mixing machine barrel selects bimetallic material
Cylinder, surface uses ionic nitriding steel alloy through nickel-base alloy cure process, many rib helical rotors.From perpendicular to rotor outer profile face
See, the typical rotor feature such as cam shape, S-shaped or tetragonous rotor type is presented in rotor section structure.
As a further improvement, discharge transport portion uses screw conveying structure, and major diameter of thread profile with single screw rod
It is tapered from large to small, it is big close to charge door diameter, it is small close to diameter.Correspondingly, the machine barrel comprising single screw rod is also
Conical structure.Screw front end major diameter is designed, and the material feeding depth of threat of equipment is improved while increasing screw rod bearing capacity, not only
Be conducive to extension gear and bearing service life, while being easy to the feeding of large volume of light GMT material；End minor diameter is set
Meter is reduced because of the EFFECTS OF HEATING DAMAGE ON that friction is produced；Screw channel volume is gradually reduced along extrusion direction, except conventional rotors are in circumference
Produced with axial arrangement outside cyclically-varying, generation also is compressed axially into kneading act on and strengthen axial conveying effect, makes material
Gradually compressed, so that screw channel is faster full of material, it is ensured that material is continuously gently delivered to extruder.
The beneficial effects of the invention are as follows：1. this kind of continuous mixing extrusion equipment, it is not necessary to the charging and discharging of batch (-type),
Continuity charging is realized while making full use of muller mixing Characteristics and is kneaded, flexible and convenient operation, the adaptation to technique
Property it is strong, efficiency high, yield is big.2. feeding, mixing, extrusion machine effectively increase modifying waste plastic uniformity and power
Learn performance simultaneously, both improve production efficiency compared to original two complete equipment, reduce specific energy consumption, set while simplifying production
It is standby, reduce investment and the floor space of equipment.3. improving the material feeding ability of equipment, it is set to have not only conformed to without broken in advance
The charging of broken vehicle inside decoration part produce leftover pieces, and the charging of the waste and old auto plasticses parts of bulk has been also adapted to, thus
Without being crushed to waste or used plastics simultaneously, it is to avoid because noise, dust etc. are to the harm caused by labourer when broken, also save
Processing step, reduces production cost.
Brief description of the drawings
Fig. 1 is the automobile-used waste and old GMT material recoveries prilling schematic flow sheet of technical solution of the present invention；
Fig. 2 is the continuous mixing extruding pelletization device of the automobile-used waste and old GMT material recoveries granulation of technical solution of the present invention
Structural representation；
In figure：1 is material feeding mixing part, and 2 be discharge transport portion, and 3 be extruding pelletization part；
Material feeding kneading part point includes：1-1 is motor, and 1-2 is deceleration distributor box, and 1-3 is feeding device, and 1-4 is mixed
Mill cylinder, 1-5 is many rib helical rotors, and 1-6 is heater, and 1-7 is temperature cooling, the automatically controlled keying valves of 1-8；
Discharge transport portion includes：2-1 is drive screw, and 2-2 is single screw rod, and 2-3 is heater, and 2-4 is cooling control
Warm device, 2-5 tapered cylinders；
Extruding pelletization part includes：3-1 is double screw extruder, and 3-2 is bosh, and 3-3 is air-dry machine, and 3-4 is to lead
Stretch pellet device.
Embodiment
With reference to Figure of description, technical scheme is described further by specific embodiment：
The automobile-used waste and old GMT material recoveries prilling of technical solution of the present invention is mediated including extruding, mixing is modified, is extruded and is made
Three processes of grain, its technological process refers to Fig. 1.Improved synchronized rotor mixer was used before this by waste and old automobile-used GMT traps
Or produce leftover pieces force extruding kneading feeding banburying to be melted together with compatible modifying agent, lubricant with being coupled performance etc.
Melt room；Material in banburying melter relies on the shearing from mixing machine barrel incoming heat and many rib helical rotors, crushing, squeezed
Constantly stirred under pressure and kneading effect, carry out mixing modification；The modified material of mixing is through the single screw rod below banburying melter
Extruder is delivered to, the material of extrusion turns into plastic pellet after drawing-off, cooling, pelletizing, so as to be realized on a machine
Mixing charging, the purpose of continuity extrusion.
Concrete technology step is as follows：
(1) first waste and old automobile-used the GMT traps or produce leftover pieces of recovery are changed together with compatible with coupling performance
Property agent, lubricant etc. together from dog-house input feeding device, the waste or used plastics in feeding device are through two improved synchronizations
Many rib helical rotor screw extrusions force feeding banburying melter；
(2) material in banburying melter rely on shearing from the incoming heat and many rib helical rotors of mixing machine barrel,
Constantly stirred under crushing, extruding and kneading effect, formation is multiple to shear, stretches and kneading disc, obtains fully mixing and is modified；
(3) knead modified melt and be delivered to discharge transport portion through the automatically controlled valve that opens and closes of the adjustable discharge of aperture.It is automatically controlled
The aperture for opening and closing valve can control the material degree of filling of material transporting velocity and discharge transport portion, to setting up pressure, change mixing
Intensity is significant.
(4) material is after in end, through the adjustable discharge of aperture, automatically controlled keying valve is delivered to discharge transport portion, then through discharge
Pressure is set up under the effect of transport portion single screw rod, it is ensured that material is continuously gently delivered to extruder.
(5) material of extrusion turns into plastic pellet after drawing-off, cooling, pelletizing.
Fig. 2 is the continuous mixing extruding pelletization device of the automobile-used waste and old GMT material recoveries granulation of technical solution of the present invention
Structural representation, mainly kneads part 1, discharge transport portion 2 and extruding pelletization part 3 by material feeding and constitutes；Wherein, material feeding is kneaded
The similar traditional banbury in part 1, including motor 1-1, deceleration distributor box 1-2, feeding device 1-3, mixing machine barrel 1-4,
1-8 compositions are cut down in many rib helical rotor 1-5, heater 1-6, temperature cooling 1-7 and automatically controlled keying；Discharge transport portion 2
Including drive screw 2-1, single screw rod 2-2, heater 2-3, temperature cooling 2-4 and tapered cylinder 2-5 composition；Extrusion is made
Double screw extruder 3-1, double screw extruder 3-1 can be used to be equipped with a series of subsidiary engine needed for extruding pelletizations for grain part 3, wrap
Include bosh 3-2, air-dry machine 3-3 and drawing-off pellet device 3-4.The material feeding mixing part 1 is located at discharge transport portion 2
Top, and the discharging opening of part 1 is relative with the charging aperture of the single screw extrusion machine of discharge transport portion 2 connects for material feeding mixing, connecting portion
Position is marked with circle in figure.Set the adjustable discharge of aperture is automatically controlled to open and close valve 1-8 in the discharging opening that material feeding kneads part 1.
The automatically controlled aperture for opening and closing valve 1-8 can control the material degree of filling of material transporting velocity and discharge transport portion 2, to setting up pressure,
Change mixing intensity significant.Material feeding kneads part 1 and discharge transport portion 2 can be using a common variable speed drives dress
Put and temperature control device, to simplify complete machine structure, reduce equipment cost.The speed-changing driving device of device described in the present embodiment includes
Motor 1-1, deceleration distributor box 1-2 and drive screw 2-1；The temperature control device includes heater 1-6,2-3 and cooling
Temperature regulating device 1-7,2-4, can select, using electrical heating or steam heating or hot-oil circulation heating technique, to adapt to material as requested
Processing temperature control is required.
It is dual-rotor structure with many rib helical rotor 1-5 that material feeding, which kneads part 1, angled arrangement during installation, parallel
It is installed in mixing machine barrel 1-4, to avoid the abrasion of rotor and barrel, the mixing machine barrel 1-4 selects bimetal charging barrel, surface
Through nickel-base alloy cure process, many rib helical rotor 1-5 use ionic nitriding steel alloy.The single screw rod 2-2 of discharge transport portion 2
Using screw conveying structure, and major diameter of thread profile is tapered from large to small.Correspondingly, the machine barrel 2-5 comprising single screw rod 2-2 is also
It is conical structure.Screw front end major diameter is designed, and the material feeding depth of threat of equipment is improved while increasing screw rod bearing capacity；End
End minor diameter design is reduced because of the EFFECTS OF HEATING DAMAGE ON that friction is produced；Screw channel volume along extrusion direction be gradually reduced, make material by
Gradually compressed, so that screw channel is faster full of material, it is ensured that material is continuously gently delivered to extruder.
The operation principle of the continuous mixing extruding pelletization device is：Motor 1-1 drives deceleration distributor box 1-2 input shafts
Moment of torsion is carried out in rotation, deceleration distributor box 1-2 and rotating speed distribution drives the 1-5 of rib helical rotor more than two to make by two output shafts
Rotary motion.Many rib helical rotor 1-5 are dual-rotor structure, and angled arrangement during installation is mounted in parallel in mixing machine barrel
In 1-4,1-4 portions temperature is adjusted by cooling device 1-6 and heater 1-7 in mixing machine barrel.Without car broken in advance
With waste and old GMT traps or produce leftover pieces together with compatible modifying agent, lubricant with being coupled performance etc. from feeding intake
In mouth input feeding device 1-3, the material in feeding device 1-3 is forced to feed through the effect of one-to-many rib helical rotor screw extrusion is lower
Enter the material in banburying melter, Mi Lian melter to rely on from incoming mixing machine barrel 1-4 heat and many rib helical rotor 1-5
Shearing, crushing, extruding and kneading effect under constantly stir, formed it is multiple shearing, stretching and kneading disc, obtain fully mixing with
It is modified.Knead sufficient material and be delivered to discharge transport portion 2 through the automatically controlled keying valve 1-8 of the adjustable discharge of aperture again.Again in row
Pressure is set up under the single screw rod 2-2 effects of material transport portion 2, it is ensured that material is continuously gently delivered to extruding pelletization part 3
Extruder carries out extruding pelletization, weight and realizes being continuously added to, knead and extruding for material.
Automotive interior roof GMT is taken to be punched leftover pieces (glass mat enhancing poly- third in embodiment 1, the embodiment of the present invention
Alkenyl composite, composition GF/PP), wherein the content of glass fibre is 40wt%.First GMT punching leftover pieces are added and fed
In device, at the same time addition is with compatible modifying agent maleic anhydride inoculated polypropylene PP-g-MAH, propylene with coupling performance
Sour graft polypropylene (PP-g-AA), silane resin acceptor kh-550 and ethylenebis stearoyl EBS lubricants.Adding modifying agent
When, the weight ratio of waste and old GMT leftover pieces and each modifying agent is 100: 5: 5: 3: 4.Material in above-mentioned feeding device is through one-to-many
The effect of rib helical rotor screw extrusion is lower to force feeding banburying melter, and banburying melter temperature control is at 200 DEG C, honey refining melting
Material in room is relied on constantly to be turned under the shearing from mixing machine barrel incoming heat and rotor, crushing, extruding and kneading effect
Dynamic, the multiple shearings of formation, stretching and kneading disc obtain fully mixing and modified.The modified material of mixing is through banburying melter
The single screw rod of lower section is delivered to extruder, and the temperature control of extruder is at 210 DEG C, and the material of extrusion is after drawing-off, cooling, pelletizing
As plastic pellet.
By adding above-mentioned modifying agent, in conjunction with the high mixing Characteristics of the continuous mixing extruding pelletization device of the present invention, make
Graft polymers main chain in plastics can produce physics or chemical action with polymer alloy interface, resin is had good phase
Capacitive, and the polarity side chain being grafted can react with the polar group of fiberglass surfacing, make glass surface active.So as to
The compatibility of composite and the dispersiveness of glass are improved, the mechanical intensity of composite is substantially increased.
Performance evaluation after particle modified front and rear performance and modified technique change is now reclaimed to waste and old GMT：
The GMT recovery particle mechanical strength of non-modified processing is very low, can not typically meet the mechanical performance of various products
It is required that.Waste or used plastics are modified after processing by using compatible coupling modifier, good technique effect has been can reach.So
And the plastics recovery production line (conventional twin screw extruding and pelletizing process) of prior art, in granulation, majority does not consider material modification
Technology, GMT material glasses composition is big, and melt shear resistance is high, often because mixing is uneven, causes recycled product poor performance, typically
More low-grade plastic products can only be made.Continuous mixing extruding and granulating equipment of the present invention makes full use of mixer mixing special
Property, effectively increasing waste or used plastics plasticates, melts and modification evenness, and gained sample tensile strength, impact strength and bending are strong
Degree, which is obtained for, to be effectively improved, and waste or used plastics are recycled, and is improved the economic benefit of Plastics Industry and is reduced plastics dirt
It is infected with important meaning.
According to the production technology and quality requirement of product, and consider whether different modified techniques have shadow to mechanical strength
Ring, it is also contemplated that formulation cost and production cost, applicant has done the substantial amounts of data tested and draw following form：
The different modified technique of table 1 is to the mechanical performance impact of sample
Note：Technique one, conventional twin screw extruder prilling and unmodified processing；Technique two, conventional twin screw extrusion
Machine is modified expressing technique；Technique three, continuous mixing extruding and granulating equipment of the present invention are modified expressing technique.
Taking wheel cover of automobile GMT to be punched leftover pieces in embodiment 2, the embodiment of the present invention, (glass mat enhancing is poly- to benzene two
Formic acid glycol ester/behavior of polypropylene composites, composition GF/PP/PET), wherein the content of glass fibre is 30wt%, poly- third
The content of alkene is 20wt%.First by GMT punching leftover pieces add feeding device in, at the same time addition have it is compatible with it is coupled
Modifying agent maleic anhydride inoculated polypropylene PP-g-MAH, acrylic acid-grafted polypropylene (PP-g-AA), the silane coupler KH- of energy
550 and ethylenebis stearoyl EBS lubricants.When adding modifying agent, the weight ratio of waste and old GMT leftover pieces and each modifying agent is
100∶5∶5∶3∶4.Material in above-mentioned feeding device forces feeding banburying through the effect of one-to-many rib helical rotor screw extrusion is lower
Melter, material of the banburying melter temperature control in 260 DEG C, Mi Lian melter rely on from the incoming heat of mixing machine barrel with
And constantly stirred under shearing, crushing, extruding and the kneading effect of rotor, multiple shearings, stretching and kneading disc are formed, is obtained fully
Mixing is with being modified.The modified material of mixing is delivered to extruder, the temperature of extruder through the single screw rod below banburying melter
Control is at 265 DEG C, and the material of extrusion turns into plastic pellet after drawing-off, cooling, pelletizing.
According to the production technology and quality requirement of product, and consider whether different modified techniques have shadow to mechanical strength
Ring, it is also contemplated that formulation cost and production cost, applicant has done substantial amounts of experiment and drawn
The data of following form：
The different modified technique of table 2 is to the mechanical performance impact of sample
Note：Technique one, conventional twin screw extruder prilling and unmodified processing；Technique two, conventional twin screw extrusion
Machine is modified expressing technique；Technique three, continuous mixing extruding and granulating equipment of the present invention are modified expressing technique.
Above disclosed is only several preferred embodiments of the invention, can not limit the power of the present invention with this certainly
Sharp scope, therefore the equivalent variations made according to the claims in the present invention, still belong to the scope that the present invention is covered.
Claims (8)
1. a kind of automobile-used waste and old GMT material recoveries prilling process, it is characterised in that described method includes extruding and mediates, kneads
Modified, three processes of extruding pelletization, before this using improved synchronized rotor mixer is by waste and old automobile-used GMT traps or produces side
Corner material forces extruding to mediate feeding banburying melter together with compatible modifying agent, lubricant with being coupled performance；Banburying
Material in melter rely on the shearing from mixing machine barrel (1-4) incoming heat and many rib helical rotors (1-5), crushing,
Constantly stirred under extruding and kneading effect, carry out mixing modification；The modified material of mixing is through single spiral shell below banburying melter
Bar (2-2) is delivered to extruder (3-1), and the material of extrusion turns into plastic pellet, concrete technology step after drawing-off, cooling, pelletizing
It is rapid as follows：
(1) first by waste and old automobile-used the GMT traps or produce leftover pieces of recovery together with it is compatible with coupling performance modifying agent,
Lubricant is together from dog-house input feeding device (1-3), and the waste or used plastics in feeding device (1-3) are improved same through two
Walk many rib helical rotor (1-5) screw extrusions and force feeding banburying melter；
(2) material in banburying melter is relied on from mixing machine barrel (1-4) incoming heat and many rib helical rotors (1-5)
Constantly stirred under shearing, crushing, extruding and kneading effect, form multiple shearings, stretch and kneading disc, obtain fully mixing with changing
Property；
(3) knead modified melt and be delivered to discharge transport portion (2) through the automatically controlled valve (1-8) that opens and closes of the adjustable discharge of aperture；
The automatically controlled aperture for opening and closing valve (1-8) can control the material degree of filling of material transporting velocity and discharge transport portion (2), set up pressure
Power, changes mixing intensity；
(4) material then is passed through after in end, through the adjustable discharge of aperture, automatically controlled keying valve (1-8) is delivered to discharge transport portion (2)
Pressure is set up under discharge transport portion single screw rod (2-2) effect, it is ensured that material is continuously gently delivered to extruder (3-1)；
(5) material of extrusion turns into plastic pellet after drawing-off, cooling, pelletizing.
2. automobile-used waste and old GMT material recoveries prilling process according to claim 1, it is characterised in that the modifying agent bag
Include acrylate copolymer, grafted polar on the strand of maleic anhydride modified vistanex, ethylene acrylic acid co polymer
Monomer or maleic anhydride are grafted any one in string, or by acrylate copolymer, maleic anhydride modified polyene
On hydrocarbon resin, the strand of ethylene acrylic acid co polymer grafting of polar monomers or maleic anhydride grafting string in 2 kinds or
Two or more material any combination is constituted.
3. automobile-used waste and old GMT material recoveries prilling process according to claim 1, it is characterised in that described waste and old modeling
The weight ratio of material and modifying agent is 100: (1-10).
4. a kind of special purpose device of automobile-used waste and old GMT material recoveries prilling process as claimed in claim 1, it is characterised in that
Described device is main to be made up of material feeding mixing part (1), discharge transport portion (2) and extruding pelletization part (3)；The material feeding
Mixing part (1) includes motor (1-1), deceleration distributor box (1-2), feeding device (1-3), mixing machine barrel (1-4), many ribs
Helical rotor (1-5), heater (1-6) and temperature cooling (1-7)；The discharge transport portion (2) includes transmission spiral shell
Bar (2-1), single screw rod (2-2), heater (2-3), temperature cooling (2-4) and tapered cylinder (2-5)；The extrusion is made
Grain part (3) is double screw extruder (3-1), and double screw extruder (3-1) is equipped with a series of subsidiary engine needed for extruding pelletizations,
Including bosh (3-2), air-dry machine (3-3) and drawing-off pellet device (3-4).
5. special purpose device according to claim 4, it is characterised in that material feeding mixing part (1) is located at discharge transport portion
(2) top, and the discharging opening of material feeding mixing part (1) is connected to the charging aperture of discharge transport portion (2) single screw extrusion machine
Top, sets the adjustable discharge of aperture is automatically controlled to open and close valve (1-8) in the discharging opening that material feeding kneads part (1).
6. special purpose device according to claim 4, it is characterised in that the material feeding mixing part (1) and discharge delivery section
Point (2) using common a speed-changing driving device and temperature control device, the speed-changing driving device include motor (1-1),
Deceleration distributor box (1-2) and drive screw (2-1)；The temperature control device includes heater (1-6), (2-3) and cooling temperature control
Device (1-7), (2-4), can select, using electrical heating or steam heating or hot-oil circulation heating technique, to adapt to material as requested
Processing temperature control is required.
7. special purpose device according to claim 4, it is characterised in that described material feeding kneads part (1) with many rib spirals
Rotor (1-5) is dual-rotor structure, and angled arrangement during installation is mounted in parallel in mixing machine barrel (1-4), to avoid turning
The abrasion of son and barrel, the mixing machine barrel (1-4) selects bimetal charging barrel, and surface is through nickel-base alloy cure process, many rib spiral shells
Gyrator (1-5) uses ionic nitriding steel alloy, and from terms of rotor outer profile face, cam shape, S is presented in rotor section structure
Shape or tetragonous rotor type.
8. special purpose device according to claim 4, it is characterised in that the discharge transport portion (2) uses single screw rod (2-2)
Using screw conveying structure, and major diameter of thread profile is tapered from large to small, big close to charge door diameter, close to diameter
Small, the machine barrel (2-5) comprising single screw rod is corresponding conical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410808672.5A CN104526904B (en) | 2014-12-23 | 2014-12-23 | A kind of automobile-used waste and old GMT material recoveries prilling process and its special purpose device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410808672.5A CN104526904B (en) | 2014-12-23 | 2014-12-23 | A kind of automobile-used waste and old GMT material recoveries prilling process and its special purpose device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104526904A CN104526904A (en) | 2015-04-22 |
| CN104526904B true CN104526904B (en) | 2017-07-21 |
Family
ID=52842629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410808672.5A Active CN104526904B (en) | 2014-12-23 | 2014-12-23 | A kind of automobile-used waste and old GMT material recoveries prilling process and its special purpose device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104526904B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108437502A (en) * | 2018-04-18 | 2018-08-24 | 北京星和众维科技股份有限公司 | Recovery and processing system |
| CN109203298A (en) * | 2018-09-14 | 2019-01-15 | 辽阳艺蒙织毯有限公司 | A kind of compound leftover pieces recycling system that part is fusible |
| CN109501033A (en) * | 2018-11-29 | 2019-03-22 | 昆山好岩石金属科技有限公司 | One kind having more material head mixing granulator all-in-one machine |
| CN113334610A (en) * | 2021-07-05 | 2021-09-03 | 安徽泓泽新材料科技有限公司 | High-rotation-speed high-shear two-stage extrusion granulation process |
| CN117382026B (en) * | 2023-12-08 | 2024-03-08 | 广州海天塑胶有限公司 | Preparation method of reinforced PA56 and PA6 composite material of engine cover plate |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4028064A1 (en) * | 1990-09-05 | 1992-03-12 | Werner & Pfleiderer | METHOD AND DEVICE FOR MIXING MATERIAL WITH THERMOPLASTIC PLASTIC |
| CH686352A5 (en) * | 1991-03-21 | 1996-03-15 | Ruetgerswerke Ag | Recycling processes for non faserverstaerkte thermosetting plastics. |
| AU2404595A (en) * | 1994-05-17 | 1995-12-05 | R. T. Recycling Technology Inc. | Method and apparatus for recycling waste materials including thermoplastic materials |
| CN101691445A (en) * | 2009-03-07 | 2010-04-07 | 从化市聚赛龙工程塑料有限公司 | Alcoholysis resistant PA66 composite material used for automobiles and preparation method thereof |
| CN101591900A (en) * | 2009-05-11 | 2009-12-02 | 浙江三门天华橡胶有限公司 | Rubber fender and the production method thereof of utilizing automobile tyre leftovers to produce |
| CN102248653A (en) * | 2010-05-21 | 2011-11-23 | 北京恒通创新木塑科技发展有限公司 | Equipment and method for forming railway sleeper from waste and old plastics |
| CN201760977U (en) * | 2010-08-18 | 2011-03-16 | 上海松下电工电子材料有限公司 | Mixing device |
| CN202045775U (en) * | 2010-12-16 | 2011-11-23 | 惠州市鼎晨新材料有限公司 | Production equipment for making black master batch from waste plastics |
| CN102205572B (en) * | 2010-12-31 | 2013-12-25 | 长春博超汽车零部件股份有限公司 | Recovery method of polyester fibre felts |
| CN102675743B (en) * | 2012-05-20 | 2014-06-25 | 柳州市海达新型材料科技有限公司 | Comfortable type polypropylene material for automobile bumper and preparation method thereof |
| CN103934918B (en) * | 2014-04-24 | 2016-08-17 | 江苏方圣机械有限公司 | A kind of pelletizing recovered waste plastic production line |
| CN103937110B (en) * | 2014-05-12 | 2016-04-20 | 宁波高新区卓尔化工科技有限公司 | Fiberglass-reinforcepolypropylene polypropylene plastic and preparation method thereof |
-
2014
- 2014-12-23 CN CN201410808672.5A patent/CN104526904B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104526904A (en) | 2015-04-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104526904B (en) | A kind of automobile-used waste and old GMT material recoveries prilling process and its special purpose device | |
| CN204354342U (en) | Two continuously mixing feeding units of a kind of automobile-used waste and old GMT material recovery granulation | |
| CN1324084C (en) | PA/PET high molecule alloy material | |
| CN101168600B (en) | High shear stress induced desulfurization and modification method for waste and old tyre rubber | |
| CN102825791B (en) | Production method for wood-plastic composite material | |
| CN101942140A (en) | Wood plastic composite foaming material and forming process and equipment thereof | |
| CN103172934B (en) | Crumb rubber toughened thermoplastic glass steel scrap reinforced FRTP material and its preparation method | |
| CN111040277A (en) | Filling master batch for inner wall of high-strength polyethylene double-wall corrugated pipe and manufacturing method thereof | |
| CN102485788B (en) | Crops waste material regenerated composite plastic plate and its production process | |
| CN102167877B (en) | Chain-extended regenerated polypropylene material and preparation method thereof | |
| US20200199324A1 (en) | Reconstituted composite materials derived from waste made by solid state pulverization | |
| CN105860424A (en) | Regular granular phenolic moulding plastic and preparation method thereof | |
| CN102492305A (en) | Formulation for preparing wood-plastic composite material from papermaking solid wastes and method thereof | |
| CN102174270A (en) | Plasticized and toughened wood flour/polypropylene composite and method for preparing same | |
| CN103030891A (en) | Long glass fiber-reinforced polypropylene composite material and preparation method thereof | |
| CN102816343A (en) | Method for preparing reclaimed rubber by continuous low-temperature high shear | |
| WO2022152182A1 (en) | Modified cross-linked polyethylene and preparation method therefor, and recycled product and preparation method therefor | |
| CN102601886B (en) | Rich mineral paper masterbatch extruding granulator set | |
| CN100354104C (en) | Equipment and process of high polymer polyblend mixing forming | |
| CN112111811B (en) | Polyborosiloxane modified fiber and preparation method thereof | |
| CN206264310U (en) | A kind of high-performance extruder of plastic processing | |
| CN110483897B (en) | Basalt fiber reinforced polypropylene material and preparation method thereof | |
| CN103242580A (en) | Method for preparing pipeline material by utilization of recovered HDPE low-temperature solid-phase extrusion reaction | |
| CN207187704U (en) | A kind of integral type amino acid granulator | |
| CN106009248A (en) | Method for manufacturing high-toughness traditional Chinese medicine residue / plastic composite material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 311106 Tangqi Industrial Park, Yuhang District, Zhejiang, Hangzhou Applicant after: ZHEJIANG HUA JIANG SCIENCE & TECHNOLOGY CO., LTD. Address before: 311106 Tangqi Industrial Park, Yuhang District, Zhejiang, Hangzhou Applicant before: Zhejiang Huajiang Science & Technology Development Co., Ltd. |
|
| COR | Change of bibliographic data | ||
| GR01 | Patent grant |