CN106945193A - A kind of waste or used plastics Single screw extrusion Granulation Equipments and technique - Google Patents
A kind of waste or used plastics Single screw extrusion Granulation Equipments and technique Download PDFInfo
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- CN106945193A CN106945193A CN201710357468.XA CN201710357468A CN106945193A CN 106945193 A CN106945193 A CN 106945193A CN 201710357468 A CN201710357468 A CN 201710357468A CN 106945193 A CN106945193 A CN 106945193A
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- 239000004033 plastic Substances 0.000 title claims abstract description 131
- 229920003023 plastic Polymers 0.000 title claims abstract description 131
- 238000001125 extrusion Methods 0.000 title claims abstract description 93
- 239000002699 waste material Substances 0.000 title claims abstract description 61
- 238000005469 granulation Methods 0.000 title claims abstract description 16
- 230000003179 granulation Effects 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title abstract description 9
- 239000012535 impurity Substances 0.000 claims abstract description 21
- 238000007599 discharging Methods 0.000 claims description 101
- 238000010438 heat treatment Methods 0.000 claims description 29
- 239000002245 particle Substances 0.000 claims description 24
- 230000005540 biological transmission Effects 0.000 claims description 21
- 238000007906 compression Methods 0.000 claims description 21
- 230000006835 compression Effects 0.000 claims description 21
- 238000002156 mixing Methods 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 9
- 241000883990 Flabellum Species 0.000 claims description 6
- 230000018044 dehydration Effects 0.000 claims description 5
- 238000006297 dehydration reaction Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 230000007717 exclusion Effects 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000003818 cinder Substances 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000010445 mica Substances 0.000 description 2
- 229910052618 mica group Inorganic materials 0.000 description 2
- 238000005453 pelletization Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002990 reinforced plastic Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/27—Cleaning; Purging; Avoiding contamination
- B29C48/2725—Cleaning; Purging; Avoiding contamination of filters
- B29C48/2735—Cleaning; Purging; Avoiding contamination of filters using scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/397—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using a single screw
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention relates to a kind of waste or used plastics Single screw extrusion Granulation Equipments and technique, belong to waste or used plastics technical field of comprehensive utilization.Technical scheme is：Exempt from draping die head, three sections of single screw extrusion machines and three sections comprising the forced feeding machine being connected with each other successively, one section of single screw extrusion machine, two sections of single screw extrusion machines, two sections and exempt from draping die head.The beneficial effects of the invention are as follows：It can produce that impurity content is low, quality is good, epigranular, the plastic grain of smooth in appearance, and yield is high, steady quality, energy consumption is low, and can realize online cleaning filter screen, and environmental protection is benefited the nation and the people.
Description
Technical field
The present invention relates to a kind of waste or used plastics Single screw extrusion Granulation Equipments and technique, belong to waste or used plastics comprehensive utilization skill
Art field.
Background technology
The recycling of waste or used plastics is a part for resource environment protection industry and recycling economy, plastic reclaimed extruding pelletization
It is one of important link；At present, the plastic reclaimed extruding and granulating equipment that granulation producer uses, mostly common comminutor, its
Structure mainly uses the structure of extruder+plain filter+die head+cooling device+pelleter, or extruder+common filtering
Device+die head+fervent air-cooled or water-cooled structure.The Granulation Equipments generally existing of both structures feeds slow and inlet amount not
Stable the problem of.Traditional extruder mode of heating is used outside extruder barrel, by coating mica sheet come to extruder
Heated, there is the problem of cylinder heating is uneven, programming rate is slow, limit the barrel diameter size of extruder, yield
It can not improve.And plain filter has that filter area is small, screen pack is easily blocked, it is impossible to online to carry out cleaning filter screen, more
It must shut down and be changed when changing screen pack, cause low production efficiency.
The content of the invention
It is an object of the present invention to provide a kind of waste or used plastics Single screw extrusion Granulation Equipments and technique, impurity can be produced and contained
Good low, quality, epigranular, the plastic grain of smooth in appearance are measured, and yield is high, steady quality, energy consumption is low, and can realize
Online cleaning filter screen, solves problem present in background technology.
The technical scheme is that：
A kind of waste or used plastics Single screw extrusion Granulation Equipments, is squeezed comprising the forced feeding machine being connected with each other successively, one section of single screw rod
Go out machine, two sections of single screw extrusion machines, two sections exempt from draping die head, three sections of single screw extrusion machines and three sections and exempt from draping die head；
The forced feeding machine, includes upper shell, lower house, blade and power transmission shaft；The upper shed of upper shell is charging aperture, lower casing
The under shed of body is discharging opening, and upper shell and lower house are mutually matched, and inside sets blade and power transmission shaft, power transmission shaft is provided with six leaves
Piece, the fan blade angles that each blade is provided between four flabellums, two adjacent blades are staggered 15 degree, four flabellums differences 60
Degree, accumulative 360 degree of the difference of six blades, forms a complete circumference；
One section of single screw extrusion machine, comprising reductor one, charging aperture one, housing one, bearing one, electromagnetic heating coil one,
Exhaust outlet one, discharging opening one, support one, motor one and extruder screw one, support one are provided with reductor one, bearing one and electricity
Machine one, reductor one and motor one are connected with each other, the output end of reductor one and the extruder screw one being arranged on bearing one
Front end is connected, and the outside of extruder screw one is provided with housing one, and the front end of housing one is provided with charging aperture one, and charging aperture one is with being forced to
The discharging opening connection of material machine；Housing one is externally provided with electromagnetic heating coil one, and the rear end of housing one is provided with exhaust outlet one, extruder screw
One rear end is provided with discharging opening one；The draw ratio of one section of single screw extrusion machine is 18.85；
Two sections of single screw extrusion machines, include reductor two, charging aperture two, extruder housing two, bearing two, Electromagnetic Heating line
Circle two, exhaust outlet two, discharging opening two, support two, motor two, extruder screw two；Support two is provided with reductor two, bearing two
With motor two, reductor two and motor two are connected with each other, the output end of reductor two and the extruder spiral shell being arranged on bearing two
The front end of bar two is connected, and the outside of extruder screw two is provided with housing two, and the front end of housing two is provided with charging aperture two, charging aperture two and one
The discharging opening one of section single screw extrusion machine is connected；Housing two is externally provided with electromagnetic heating coil two, and the rear end of housing two is provided with exhaust outlet
Two, the rear end of extruder screw two is provided with discharging opening two；The draw ratio of two sections of single screw extrusion machines is 20；
Described two sections are exempted from draping die head, are subtracted comprising housing four, charging aperture four, slag-drip opening, slag-discharging valve four, discharging opening four, scraper
Electric motor with speed four, blade shaft four, scraper four, sieve plate four and liner plate four；In the output shaft and housing four of scraper decelerator four
Blade shaft four connect, scraper four, sieve plate four and liner plate four are sequentially provided with blade shaft four；Four points by housing of sieve plate four is front and rear
Two chambers, the ante-chamber of housing four is provided with charging aperture four and slag-drip opening four, and slag-drip opening four is provided with slag-discharging valve four, charging aperture four and two
The discharging opening two of section single screw extrusion machine is connected；The back cavity of housing four is provided with discharging opening four；
Three sections of single screw extrusion machines, include reductor three, charging aperture three, housing three, electromagnetic heating coil three, cooling water spray
Pipe, bearing three, discharging opening three, support three, motor three and extruder screw three；Support three is provided with reductor three, the and of bearing three
Motor three, reductor three and motor three are connected with each other, the output end of reductor three and the extruder screw being arranged on bearing three
Three front ends are connected, and the outside of extruder screw three is provided with housing three, and the front end of housing three is provided with charging aperture three, charging aperture three and two sections
Exempt from the connection of discharging opening four of draping die head；Housing three is externally provided with electromagnetic heating coil three, and the rear end of extruder screw three is provided with discharging
Mouth three；The top of housing three is provided with cooling sparge pipe, and the draw ratio of three sections of single screw extrusion machines is 11.3；
Described three sections are exempted from draping die head, include housing five, charging aperture five, slag-drip opening five, slag-discharging valve five, discharging opening five, scraper
Decelerator five, blade shaft five, scraper five, sieve plate five and liner plate five, output shaft and the housing five of scraper decelerator five
Interior blade shaft five is connected, and scraper five, sieve plate five and liner plate five are sequentially provided with blade shaft five；Before five points of housing is by sieve plate five
Two chamber afterwards, the ante-chamber of housing five is provided with charging aperture five and slag-drip opening five, and slag-drip opening five is provided with slag-discharging valve five, charging aperture five with
The discharging opening three of three sections of single screw extrusion machines is connected；The back cavity of housing five is provided with discharging opening five.
The forced feeding machine drum body is respectively provided on two sides with fore side bearing body and transmission side bearing body, operates side bearing
Bearing is respectively equipped with body and transmission side bearing body, power transmission shaft is arranged on the bearing of cylinder both sides.
The blade of the forced feeding machine, its press-in face uses arcuate structure, it is ensured that waste or used plastics can be continual
Charging aperture is pressed into, and unnecessary plastics can also be scraped by blade, prevented that charging aperture from blocking and batcher is stuck and caused electricity
Machine burning is ruined.
One section of single screw extrusion machine, one point of its extruder screw is four sections, is feeding section A, compression section B, meter respectively
Measure section C, batch mixing segment D, exhaust section E；Charging aperture one is matched in feeding section A, and exhaust outlet one and discharging opening one are matched in exhaust section E.
The bottom of housing one correspondence feeding section A position, provided with discharge outlet one.
Two sections of single screw extrusion machines, two points of its extruder screw is four sections, is feeding section F, compression section G respectively, mixes
Expect section H, exhaust section I；Charging aperture two is matched in feeding section F, and exhaust outlet two and discharging opening two are matched in exhaust section I.
Three sections of single screw extrusion machines, two points of its extruder screw is three sections, is feeding section J, compression section K, meter respectively
Measure section L；Charging aperture three is matched in feeding section J, and discharging opening two is matched in metering section L.
A kind of waste or used plastics Single screw extrusion prilling, is carried out, method is as follows using the said equipment：
1. the reuse of waste plastics conveyer belt after washing dehydration, is transported to forced feeding machine, and forced feeding machine uniformly will be waste and old
Plastics are pressed into the charging aperture one of one section of single screw extrusion machine；In the feeding section A of one section of single screw extrusion machine, waste or used plastics
Moisture content is extruded, from one section of Single screw extrusion motor spindle discharge；Under the promotion of extruder screw one, waste or used plastics be compacted into
Enter compression section B, in compression section B, waste or used plastics are gradually plastified；Waste or used plastics after plasticizing are squeezed into metering section C, in metering section
C, waste or used plastics are mixed and sheared；Batch mixing segment D is entered, further plastifies the waste or used plastics not plastified；Pass through exhaust section E
When, the gas and impurity mixed in waste or used plastics is from the exclusion of exhaust outlet one, and the plasticizing plastic after exhaust continues after being compressed, from going out
Material mouth one is discharged；
2. the plasticizing plastic discharged from discharging opening one enters directly into the feeding section F of two sections of single screw extrusion machines, in extruder spiral shell
Under the promotion of bar two, plasticizing plastic reaches compression section G, after being plastified and compressed by further mixing, is squeezed into batch mixing segment H,
The plastics after plasticizing is sufficiently mixed, further improve plastics plasticizing effect；Mixed plasticizing plastic enters row
After gas section I, gas and impurity in plastics are discharged from exhaust outlet two, and the plastics of plasticizing reach two sections by after further compress
Two sections at single screw extrusion machine discharging opening two are exempted from draping die head；Exempt from two sections in draping die head, larger particle and impurity quilt
Scraper four on web plate four is scraped after slag-drip opening four, is regularly discharged from slag-drip opening four；Remaining smaller particle plasticizing plastic passes through
Sieve plate four, is discharged from discharging opening four；
3. exempt from the plasticizing plastic of the discharge of draping mould discharge door four from two sections, enter the feeding section J of three sections of single screw extrusion machines,
Under the promotion of extruder screw three, plastics reach compression section K, and the plastics plastified herein are sufficiently stirred, and are well mixed, and
Further compressed, to improve the density of plastic grain；Well mixed plasticizing plastic is extruded machine screw rod three and is pushed to meter
Section L is measured, in metering section L, the plastics of plasticizing are uniformly discharged to three sections and exempt from draping die head, and larger particle and impurity are by web plate five
On scraper five scrape slag-drip opening five, regularly discharged from slag-drip opening five；Remaining smaller particle plasticizing plastic by sieve plate five, from
Discharging opening five is discharged, and is granulated.
Three sections exempt from the discharge of draping die head plasticizing plastic, enter Water ring granulator, plastics are from Water ring granulator sieve plate hole
Middle extrusion, is cut into after plastic grain by the scraper on sieve plate, in the presence of the centrifugal force of high speed revolving scraper, and particle is got rid of
Be cooled solidification in water ring on to cylinder, with the flowing of water ring, and the plastic grain outflow after solidification enters snakelike tank
It is interior, further cooled down；Plastic grain after cooling is entered in drier, is divested moisture content, and the particle after dehydration enters
After being sorted in vanning according to the size of particle, automatic weighting baling press is entered, bagging and packaging is carried out.
The beneficial effects of the invention are as follows：Can produce that impurity content is low, quality is good, epigranular, the modeling of smooth in appearance
Expect particle, and yield is high, steady quality, energy consumption is low, and can realize online cleaning filter screen, and environmental protection is benefited the nation and the people.
Brief description of the drawings
Fig. 1 is embodiment of the present invention forced feeding machine structural representation；
Fig. 2 is embodiment of the present invention forced feeding machine schematic cross-sectional view；
Fig. 3 is the blade schematic diagram of embodiment of the present invention forced feeding machine；
Fig. 4 is one section of single screw extrusion machine schematic diagram of the embodiment of the present invention；
Fig. 5 is one section of single screw extrusion machine screw rod schematic diagram of the embodiment of the present invention；
Fig. 6 is two sections of single screw extrusion machine schematic diagrames of the embodiment of the present invention；
Fig. 7 is two sections of single screw extrusion machine screw rod schematic diagrames of the embodiment of the present invention；
Fig. 8 is two sections of the embodiment of the present invention and exempts from draping die head schematic diagram；
Fig. 9 is two sections of the embodiment of the present invention and exempts from draping die head schematic cross-sectional view；
Figure 10 is three sections of single screw extrusion machine schematic diagrames of the embodiment of the present invention；
Figure 11 is three sections of single screw extrusion machine screw rod schematic diagrames of the embodiment of the present invention；
Figure 12 is three sections of the embodiment of the present invention and exempts from draping die head schematic diagram；
Figure 13 is three sections of the embodiment of the present invention and exempts from draping die head schematic cross-sectional view；
In figure：Upper shell 1, lower house 2, blade 3, fore side bearing body 4, power transmission shaft 5, transmission side bearing body 6, bearing 7；Slow down
Machine 1, charging aperture 1, housing 1, bearing 1, electromagnetic heating coil 1, housing adpting flange 1, exhaust outlet one
14th, discharging opening 1, support 1, motor 1, motor pulley 1, reductor belt wheel 1, extruder screw 1；
Reductor 2 21, charging aperture 2 22, extruder housing 2 23, bearing 2 24, electromagnetic heating coil 2 25, exhaust outlet 2 26, go out
Material mouth 2 27, support 2 28, motor 2 29, motor pulley 2 30, reductor belt wheel 2 31, extruder screw 2 32, housing
4 33, slag-discharging valve 4 34, slag-discharging valve drive device 4 35, discharging opening 4 36, scraper decelerator 4 37, scraper locknut
4 38, blade shaft 4 39, scraper 4 40, sieve plate 4 41, liner plate 4 42；Reductor 3 43, charging aperture 3 44, housing 3 45, electricity
Magnetic heating coil 3 46, cooling sparge pipe 47, bearing 3 48, discharging opening 3 49, support 3 50, motor 3 51, motor pulley
3 52, reductor belt wheel 3 53, extruder screw 3 54, scraper locknut 5 55, scraper 5 56, sieve plate 5 57, liner plate 5 58, scrape
Cutter shaft 5 59, housing 5 60, slag-discharging valve 5 61, slag-discharging valve drive device 5 62, discharging opening 5 63, scraper decelerator
5 64.
Embodiment
Below in conjunction with accompanying drawing, by example, the invention will be further described.
A kind of waste or used plastics Single screw extrusion Granulation Equipments, includes the forced feeding machine being connected with each other successively, one section of single spiral shell
Bar extruder, two sections of single screw extrusion machines, two sections exempt from draping die head, three sections of single screw extrusion machines and three sections and exempt from draping die head；
The forced feeding machine, includes upper shell 1, lower house 2, blade 3 and power transmission shaft 5；The upper shed of upper shell 1 is charging
Mouthful, the under shed of lower house 2 is discharging opening, and upper shell 1 and lower house 2 are mutually matched, and inside set blade 3 and power transmission shaft 5, power transmission shaft
5 provided with six blades 3, and the fan blade angles that each blade is provided between four flabellums, two adjacent blades are staggered 15 degree,
Four flabellums differ 60 degree, and accumulative 360 degree of the difference of six blades forms a complete circumference.
The forced feeding machine drum body is respectively provided on two sides with fore side bearing body 4 and transmission side bearing body 6, operates side axle
Hold and bearing is respectively equipped with body 4 and transmission side bearing body 6, power transmission shaft 5 is arranged on the bearing 7 of cylinder both sides.
The blade of the forced feeding machine, its press-in face uses arcuate structure, it is ensured that waste or used plastics can be continual
Charging aperture is pressed into, and unnecessary plastics can also be scraped by blade, prevented that charging aperture from blocking and batcher is stuck and caused electricity
Machine burning is ruined.
One section of single screw extrusion machine, adds comprising reductor 1, charging aperture 1, housing 1, bearing 1, electromagnetism
On heat coil 1, exhaust outlet 1, discharging opening 1, support 1, motor 1 and extruder screw 1, support 1
Provided with reductor 1, bearing 1 and motor 1, reductor 1 and motor 1 are connected with each other, the output of reductor 1
The front end of extruder screw 1 connection on bearing 1 is held and is arranged on, the outside of extruder screw 1 is provided with housing one
10, the front end of housing 1 is provided with charging aperture 1, and charging aperture 1 is connected with the discharging opening of forced feeding machine；Housing 1 is externally provided with
Electromagnetic heating coil 1, the rear end of housing one is provided with exhaust outlet 1, and the rear end of extruder screw 1 is provided with discharging opening 1；One
The draw ratio of section single screw extrusion machine is 18.85.
One section of single screw extrusion machine, one point of its extruder screw is four sections, is feeding section A, compression section B, meter respectively
Measure section C, batch mixing segment D, exhaust section E；The matching of charging aperture 1 is in feeding section A, and exhaust outlet 1 and the matching of discharging opening 1 are in exhaust
Section E.The bottom of housing one correspondence feeding section A position, provided with discharge outlet one.
The housing is longer, is divided into two sections, centre is connected as a single entity by housing adpting flange 1.
The motor 1 is provided with motor pulley 1, and reductor 1 is provided with reductor belt wheel 1, reductor
1 and motor 1 be connected with each other by belt.
Because the mode of heating of old-fashioned screw extruder is using the mode of heating that mica sheet is coated on the shell of extruder,
Heat is slowly delivered on screw rod by shell, and transmission efficiency is low, and heat transfer is uneven, limits outer screw diameter size.It is of the invention single
The heating of screw extruder employs the mode of heating of magnet coil, and the efficiency of heating surface is high, and heat transfer is fast, the temperature difference of housing and screw rod
Small, temperature of the waste or used plastics in screw rod is uniform, and plasticizing effect is good, and electromagnetic heating coil can enter trip temperature control with subregion
System, can be accurately controlled the plasticizing effect of waste or used plastics, stabilized product quality.As a result of Electromagnetic Heating, improve and add
Thermal effect, increases the diameter of screw rod, and the draw ratio of one section of single screw extrusion machine is 18.85, adds yield.
Two sections of single screw extrusion machines, include reductor 2 21, charging aperture 2 22, extruder housing 2 23, bearing two
24th, electromagnetic heating coil 2 25, exhaust outlet 2 26, discharging opening 2 27, support 2 28, motor 2 29, extruder screw 2 32；Branch
Frame two is provided with reductor two, bearing two and motor two, and reductor two and motor two be connected with each other, the output end of reductor two with
The front end of extruder screw two connection on bearing two is arranged on, the outside of extruder screw two is provided with housing two, the front end of housing two
Provided with charging aperture two, charging aperture two is connected with the discharging opening one of one section of single screw extrusion machine；Housing two is externally provided with Electromagnetic Heating line
Circle two, the rear end of housing two is provided with exhaust outlet two, and the rear end of extruder screw two is provided with discharging opening two；The length of two sections of single screw extrusion machines
Footpath ratio is 20.
Two sections of single screw extrusion machines, two points of its extruder screw is four sections, is feeding section F, compression section G respectively, mixes
Expect section H, exhaust section I；Charging aperture two is matched in feeding section F, and exhaust outlet two and discharging opening two are matched in exhaust section I.
The motor two is provided with motor pulley 2 30, and reductor two is provided with reductor belt wheel 2 31, reductor two
It is connected with each other with motor two by belt.
The main function of two sections of extruders is that mix further to waste or used plastics plastifies, and waste or used plastics is plastified one
Cause, the gas produced in discharge plasticizing process, the compactness of reinforced plastics particle.
Described two sections are exempted from draping die head, include housing 4 33, charging aperture four, slag-drip opening, slag-discharging valve 4 34, discharging opening four
36th, scraper decelerator 4 37, blade shaft 4 39, scraper 4 40, sieve plate 4 41 and liner plate 4 42；Scraper decelerator four
37 output shaft is connected with the blade shaft 4 39 in housing 4 33, and scraper 4 40, sieve plate 4 41 are sequentially provided with blade shaft 4 39
With liner plate 4 42；4 33 points by housing of sieve plate 4 41 is front and rear two chambers, and the ante-chamber of housing four is provided with charging aperture four and slag-drip opening four,
Slag-drip opening four is provided with slag-discharging valve 4 34, and charging aperture four is connected with the discharging opening 2 27 of two sections of single screw extrusion machines；Housing four
33 back cavity is provided with discharging opening 4 36.
The scraper 4 40 is fixed on blade shaft 4 39 by scraper locknut 4 38.
The slag-discharging valve 4 34 is connected with slag-discharging valve drive device 4 35.
The aperture of the sieve plate is 20--30 mesh
Two sections are exempted from draping die head, and effect is to discharge impurity and big after two sections of single screw extrusion machine plasticizings in waste or used plastics
Grain；20-30 mesh is typically selected in the aperture of sieve plate.
The waste or used plastics of plasticizing are entered after housing four, and scraper four rotates, and big particle and impurity is arranged by scraper four blade
Cinder notch four, the slag-discharging valve drive device four of slag-discharging valve four can use motorized motions, pneumatic or Driven by Hydraulic Cylinder, control
Mode processed can be using pressure sensor control and timing controlled；When being controlled using pressure sensor, when in the ante-chamber of housing four
When pressure reaches setting value, slag-discharging valve four is opened, and impurity is discharged；, can be according to waste or used plastics when using timing controlled
In impure number, freely control the time of the open and close of slag-discharging valve four.As a result of autocontrol valve, section
Cost of labor has been saved, and has avoided and manually opens residual cake valve not in time, has caused sieve plate excessive due to pressure, the thing of broken sieve plate is squeezed
Therefore.
After the plastics of plasticizing are by sieve plate four, then by liner plate four, the main function of liner plate four is supporting screening plate four, it is to avoid
Sieve plate four is deformed and damaged.Discharging opening four is pooled to by the plasticizing plastic of liner plate four, into three sections of single screw extrusion machines.
Three sections of single screw extrusion machines, include reductor 3 43, charging aperture 3 44, housing 3 45, electromagnetic heating coil
3 46, cooling sparge pipe 47, bearing 3 48, discharging opening 3 49, support 3 50, motor 3 51 and extruder screw 3 54；Support
Three are provided with reductor three, bearing three and motor three, and reductor three and motor three are connected with each other, and the output end of reductor three is with setting
The front end of extruder screw three connection on bearing three is put, the outside of extruder screw three is provided with housing three, and the front end of housing three is set
There is charging aperture three, charging aperture three is connected with two sections of discharging openings four for exempting from draping die head；Housing three is externally provided with electromagnetic heating coil three,
The rear end of extruder screw three is provided with discharging opening three；The top of housing three provided with cooling sparge pipe 47, three sections of single screw extrusion machines
Draw ratio is 11.3.
Three sections of single screw extrusion machines, two points of its extruder screw is three sections, is feeding section J, compression section K, meter respectively
Measure section L；Charging aperture three is matched in feeding section J, and discharging opening two is matched in metering section L.
The motor three is provided with motor pulley 3 52, and reductor three is provided with reductor belt wheel 3 53, reductor three
It is connected with each other with motor three by belt.
Three sections of single screw extrusion machine effects are mixings further to waste or used plastics, make waste or used plastics plasticizing consistent,
The compactness of reinforced plastics particle.Cooling water pipe is mounted with above three sections of single screw extrusion machines, for being moulded in adjusting screw rod
Change the temperature of plastics, reach the requirement of technique.
Described three sections are exempted from draping die head, include housing 5 60, charging aperture five, slag-drip opening five, slag-discharging valve 5 61, discharging opening
5 63, scraper decelerator 5 64, blade shaft 5 59, scraper 5 56, sieve plate 5 57 and liner plate 5 58, scraper decelerator
Five output shaft is connected with the blade shaft five in housing five, and scraper five, sieve plate five and liner plate five are sequentially provided with blade shaft five；Sieve
Five points by housing of plate five is front and rear two chambers, and the ante-chamber of housing five is provided with charging aperture five and slag-drip opening five, and slag-drip opening five is provided with row
Slag valve five, charging aperture five is connected with the discharging opening 3 49 of three sections of single screw extrusion machines；The back cavity of housing five is provided with discharging opening five.
The scraper five is fixed on blade shaft five by scraper locknut 5 55.
The slag-discharging valve five is connected with slag-discharging valve drive device 5 62.
The aperture of the sieve plate is 30-40 mesh
It is to discharge the impurity and big particle after three sections of single screw extrusion machine plasticizings in waste or used plastics that three sections, which are exempted from the effect of draping die head,
30-40 mesh is typically selected in the aperture of sieve plate.
The waste or used plastics of plasticizing are entered after housing five, and scraper five rotates, and big particle and impurity are by the row of scraping of scraper five
Cinder notch five, slag-discharging valve drive device five can be driven using motorized motions, pneumatic or hydraulic cylinder, and control mode can be using pressure
Force snesor is controlled and timing controlled；When being controlled using pressure sensor, when the pressure in the ante-chamber of housing five reaches setting value,
Slag-discharging valve five is opened, and impurity is discharged；When using timing controlled, can according to how much impure in waste or used plastics, from
By the time of the control slag-discharging valve open and close of five.As a result of autocontrol valve, cost of labor is saved, and
And avoid and manually open residual cake valve not in time, cause sieve plate excessive due to pressure, squeeze the accident of broken sieve plate.
After the plastics of plasticizing are by sieve plate five, then by liner plate five, the main function of liner plate five is supporting screening plate five, it is to avoid
Sieve plate is deformed and damaged.
Discharging opening five is pooled to by the plasticizing plastic of liner plate five, Water ring granulator import is discharged to.The plastics warp of plasticizing
Cross after Water ring granulator pelletizing, be discharged to snakelike tank cooling；Sloughed by drier after moisture content, be transported to vanning, by vanning
Screening after, qualified product is transported to packaging system of weighing by blower fan, and progress is weighed packing.
A kind of waste or used plastics Single screw extrusion prilling, is carried out, method is as follows using the said equipment：
1. the reuse of waste plastics conveyer belt after washing dehydration, is transported to forced feeding machine, and forced feeding machine uniformly will be waste and old
Plastics are pressed into the charging aperture one of one section of single screw extrusion machine；In the feeding section A of one section of single screw extrusion machine, waste or used plastics
Moisture content is extruded, from one section of Single screw extrusion motor spindle discharge；Under the promotion of extruder screw one, waste or used plastics be compacted into
Enter compression section B, in compression section B, waste or used plastics are gradually plastified；Waste or used plastics after plasticizing are squeezed into metering section C, in metering section
C, waste or used plastics are mixed and sheared；Batch mixing segment D is entered, further plastifies the waste or used plastics not plastified；Pass through exhaust section E
When, the gas and impurity mixed in waste or used plastics is from the exclusion of exhaust outlet one, and the plasticizing plastic after exhaust continues after being compressed, from going out
Material mouth one is discharged；
2. the plasticizing plastic discharged from discharging opening one enters directly into the feeding section F of two sections of single screw extrusion machines, in extruder spiral shell
Under the promotion of bar two, plasticizing plastic reaches compression section G, after being plastified and compressed by further mixing, is squeezed into batch mixing segment H,
The plastics after plasticizing is sufficiently mixed, further improve plastics plasticizing effect；Mixed plasticizing plastic enters row
After gas section I, gas and impurity in plastics are discharged from exhaust outlet two, and the plastics of plasticizing reach two sections by after further compress
Two sections at single screw extrusion machine discharging opening two are exempted from draping die head；Exempt from two sections in draping die head, larger particle and impurity quilt
Scraper four on web plate four is scraped after slag-drip opening four, is regularly discharged from slag-drip opening four；Remaining smaller particle plasticizing plastic passes through
Sieve plate four, is discharged from discharging opening four；
3. exempt from the plasticizing plastic of the discharge of draping mould discharge door four from two sections, enter the feeding section J of three sections of single screw extrusion machines,
Under the promotion of extruder screw three, plastics reach compression section K, and the plastics plastified herein are sufficiently stirred, and are well mixed, and
Further compressed, to improve the density of plastic grain；Well mixed plasticizing plastic is extruded machine screw rod three and is pushed to meter
Section L is measured, in metering section L, the plastics of plasticizing are uniformly discharged to three sections and exempt from draping die head, and larger particle and impurity are by web plate five
On scraper five scrape slag-drip opening five, regularly discharged from slag-drip opening five；Remaining smaller particle plasticizing plastic by sieve plate five, from
Discharging opening five is discharged, and is granulated.
Three sections exempt from the discharge of draping die head plasticizing plastic, enter Water ring granulator, plastics are from Water ring granulator sieve plate hole
Middle extrusion, is cut into after plastic grain by the scraper on sieve plate, in the presence of the centrifugal force of high speed revolving scraper, and particle is got rid of
Be cooled solidification in water ring on to cylinder, with the flowing of water ring, and the plastic grain outflow after solidification enters snakelike tank
It is interior, further cooled down；Plastic grain after cooling is entered in drier, is divested moisture content, and the particle after dehydration enters
After being sorted in vanning according to the size of particle, automatic weighting baling press is entered, bagging and packaging is carried out.
Claims (7)
1. a kind of waste or used plastics Single screw extrusion Granulation Equipments, it is characterised in that：Comprising the forced feeding machine being connected with each other successively,
One section of single screw extrusion machine, two sections of single screw extrusion machines, two sections exempt from draping die head, three sections of single screw extrusion machines and three sections and exempt from draping
Die head；
The forced feeding machine, includes upper shell（1）, lower house（2）, blade（3）And power transmission shaft（5）；Upper shell（1）On open
Mouth is charging aperture, lower house（2）Under shed be discharging opening, upper shell（1）And lower house（2）It is mutually matched, inside sets blade（3）
And power transmission shaft（5）, power transmission shaft（5）Provided with six blades（3）, each blade is provided with four flabellums, two adjacent blades
Between fan blade angles be staggered 15 degree, four flabellums differ 60 degree, accumulative 360 degree of the difference of six blades, and formation one is completely
Circumference；
One section of single screw extrusion machine, includes reductor one（8）, charging aperture one（9）, housing one（10）, bearing one（11）, electricity
Magnetic heating coil one（12）, exhaust outlet one（14）, discharging opening one（15）, support one（16）, motor one（17）And extruder screw
One（20）, support one（16）It is provided with reductor one（8）, bearing one（11）With motor one（17）, reductor one（8）With motor one
（17）It is connected with each other, reductor one（8）Output end and be arranged on bearing one（11）On extruder screw one（20）Front end connects
Connect, extruder screw one（20）Outside be provided with housing one（10）, housing one（10）Front end is provided with charging aperture one（9）, charging aperture
One（9）It is connected with the discharging opening of forced feeding machine；Housing one（10）It is externally provided with electromagnetic heating coil one（12）, the rear end of housing one is set
There is exhaust outlet one（14）, extruder screw one（20）Rear end is provided with discharging opening one（15）；The draw ratio of one section of single screw extrusion machine
For 18.85；
Two sections of single screw extrusion machines, include reductor two（21）, charging aperture two（22）, extruder housing two（23）, bearing
Two（24）, electromagnetic heating coil two（25）, exhaust outlet two（26）, discharging opening two（27）, support two（28）, motor two（29）, squeeze
Go out machine screw rod two（32）；Support two is provided with reductor two, bearing two and motor two, and reductor two and motor two are connected with each other,
The output end of reductor two is connected with the front end of extruder screw two being arranged on bearing two, and the outside of extruder screw two is provided with
Housing two, the front end of housing two is provided with charging aperture two, and charging aperture two is connected with the discharging opening one of one section of single screw extrusion machine；Housing two
Electromagnetic heating coil two is externally provided with, the rear end of housing two is provided with exhaust outlet two, and the rear end of extruder screw two is provided with discharging opening two；Two sections
The draw ratio of single screw extrusion machine is（20）；
Described two sections are exempted from draping die head, include housing four（33）, charging aperture four, slag-drip opening, slag-discharging valve four（34）, discharging opening four
（36）, scraper decelerator four（37）, blade shaft four（39）, scraper four（40）, sieve plate four（41）With liner plate four（42）；Scraper
Decelerator four（37）Output shaft and housing four（33）Interior blade shaft four（39）Connection, blade shaft four（39）On set successively
There is scraper four（40）, sieve plate four（41）With liner plate four（42）；Sieve plate four（41）By housing four（33）It is divided into front and rear two chamber, housing four
Ante-chamber be provided with charging aperture four and slag-drip opening four, slag-drip opening four be provided with slag-discharging valve four（34）, the single spiral shells of charging aperture four and two sections
The discharging opening two of bar extruder（27）Connection；Housing four（33）Back cavity be provided with discharging opening four（36）；
Three sections of single screw extrusion machines, include reductor three（43）, charging aperture three（44）, housing three（45）, Electromagnetic Heating line
Circle three（46）, cooling sparge pipe（47）, bearing three（48）, discharging opening three（49）, support three（50）, motor three（51）And extruder
Screw rod three（54）；Support three is provided with reductor three, bearing three and motor three, and reductor three and motor three are connected with each other, and slows down
The output end of machine three is connected with the front end of extruder screw three being arranged on bearing three, and the outside of extruder screw three is provided with housing
Three, the front end of housing three is provided with charging aperture three, and charging aperture three is connected with two sections of discharging openings four for exempting from draping die head；Housing three is externally provided with
Electromagnetic heating coil three, the rear end of extruder screw three is provided with discharging opening three；The top of housing three is provided with cooling sparge pipe（47）, three
The draw ratio of section single screw extrusion machine is 11.3；
Described three sections are exempted from draping die head, include housing five（60）, charging aperture five, slag-drip opening five, slag-discharging valve five（61）, discharging opening
Five（63）, scraper decelerator five（64）, blade shaft five（59）, scraper five（56）, sieve plate five（57）With liner plate five（58）, scrape
The output shaft of knife decelerator five is connected with the blade shaft five in housing five, and scraper five, sieve plate are sequentially provided with blade shaft five
Five and liner plate five；Five points by housing of sieve plate five is front and rear two chambers, and the ante-chamber of housing five is provided with charging aperture five and slag-drip opening five, deslagging
Mouth five is provided with the discharging opening three of slag-discharging valve five, charging aperture five and three sections of single screw extrusion machines（49）Connection；After housing five
Chamber is provided with discharging opening five.
2. a kind of waste or used plastics Single screw extrusion Granulation Equipments according to claim 1, it is characterised in that：It is described to be forced to
That expects machine drum body is respectively provided on two sides with fore side bearing body（4）With transmission side bearing body（6）, fore side bearing body（4）And transmission
Side bearing body（6）On be respectively equipped with bearing, power transmission shaft（5）It is arranged on the bearing of cylinder both sides（7）On.
3. a kind of waste or used plastics Single screw extrusion Granulation Equipments according to claim 1 or 2, it is characterised in that：It is described strong
The blade of batcher processed, its press-in face uses arcuate structure.
4. a kind of waste or used plastics Single screw extrusion Granulation Equipments according to claim 1 or 2, it is characterised in that：Described one
Section single screw extrusion machine, one point of its extruder screw is four sections, be respectively feeding section A, compression section B, metering section C, batch mixing segment D,
Exhaust section E；Charging aperture one（9）Matching is in feeding section A, exhaust outlet one（14）With discharging opening one（15）Matching is in exhaust section E；Housing
One bottom correspondence feeding section A position, provided with discharge outlet one.
5. a kind of waste or used plastics Single screw extrusion Granulation Equipments according to claim 1 or 2, it is characterised in that：Described two
Section single screw extrusion machine, two points of its extruder screw is four sections, is feeding section F, compression section G, batch mixing segment H, exhaust section I respectively；
Charging aperture two is matched in feeding section F, and exhaust outlet two and discharging opening two are matched in exhaust section I.
6. a kind of waste or used plastics Single screw extrusion Granulation Equipments according to claim 1 or 2, it is characterised in that：Described three
Section single screw extrusion machine, two points of its extruder screw is three sections, is feeding section J, compression section K, metering section L respectively；Charging aperture three
Matching is in feeding section J, and discharging opening two is matched in metering section L.
7. a kind of waste or used plastics Single screw extrusion prilling, is squeezed using the claim 1-6 waste or used plastics single screw rods limited
Go out Granulation Equipments progress, it is characterised in that include following processing step：
1. the reuse of waste plastics conveyer belt after washing dehydration, is transported to forced feeding machine, and forced feeding machine uniformly will be waste and old
Plastics are pressed into the charging aperture one of one section of single screw extrusion machine；In the feeding section A of one section of single screw extrusion machine, waste or used plastics
Moisture content is extruded, from one section of Single screw extrusion motor spindle discharge；Under the promotion of extruder screw one, waste or used plastics be compacted into
Enter compression section B, in compression section B, waste or used plastics are gradually plastified；Waste or used plastics after plasticizing are squeezed into metering section C, in metering section
C, waste or used plastics are mixed and sheared；Batch mixing segment D is entered, further plastifies the waste or used plastics not plastified；Pass through exhaust section E
When, the gas and impurity mixed in waste or used plastics is from the exclusion of exhaust outlet one, and the plasticizing plastic after exhaust continues after being compressed, from going out
Material mouth one is discharged；
2. the plasticizing plastic discharged from discharging opening one enters directly into the feeding section F of two sections of single screw extrusion machines, in extruder spiral shell
Under the promotion of bar two, plasticizing plastic reaches compression section G, after being plastified and compressed by further mixing, is squeezed into batch mixing segment H,
The plastics after plasticizing is sufficiently mixed, further improve plastics plasticizing effect；Mixed plasticizing plastic enters row
After gas section I, gas and impurity in plastics are discharged from exhaust outlet two, and the plastics of plasticizing reach two sections by after further compress
Two sections at single screw extrusion machine discharging opening two are exempted from draping die head；Exempt from two sections in draping die head, larger particle and impurity quilt
Scraper four on web plate four is scraped after slag-drip opening four, is regularly discharged from slag-drip opening four；Remaining smaller particle plasticizing plastic passes through
Sieve plate four, is discharged from discharging opening four；
3. exempt from the plasticizing plastic of the discharge of draping mould discharge door four from two sections, enter the feeding section J of three sections of single screw extrusion machines,
Under the promotion of extruder screw three, plastics reach compression section K, and the plastics plastified herein are sufficiently stirred, and are well mixed, and
Further compressed, to improve the density of plastic grain；Well mixed plasticizing plastic is extruded machine screw rod three and is pushed to meter
Section L is measured, in metering section L, the plastics of plasticizing are uniformly discharged to three sections and exempt from draping die head, and larger particle and impurity are by web plate five
On scraper five scrape slag-drip opening five, regularly discharged from slag-drip opening five；Remaining smaller particle plasticizing plastic by sieve plate five, from
Discharging opening five is discharged, and is granulated.
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| CN201710357468.XA CN106945193A (en) | 2017-05-19 | 2017-05-19 | A kind of waste or used plastics Single screw extrusion Granulation Equipments and technique |
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|---|---|---|---|
| CN201710357468.XA CN106945193A (en) | 2017-05-19 | 2017-05-19 | A kind of waste or used plastics Single screw extrusion Granulation Equipments and technique |
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| CN109317531A (en) * | 2017-08-01 | 2019-02-12 | 蒙城县富源有色金属材料有限公司 | A kind of composite steel wire process units of luggage pipe item |
| CN110014583A (en) * | 2017-08-01 | 2019-07-16 | 蒙城县富源有色金属材料有限公司 | An a kind of machine has more the process units of luggage pipe item |
| CN110576528A (en) * | 2019-10-30 | 2019-12-17 | 六安正辉优产机电科技有限公司 | Forming die head of plastic granulator |
| CN112372976A (en) * | 2020-09-08 | 2021-02-19 | 广东轻工职业技术学院 | High-strength homodromous differential asymmetric double-screw extruder and processing method |
| CN116277867A (en) * | 2023-05-25 | 2023-06-23 | 河北华亘科技有限公司 | Screw extruder for producing rubber sealing ring adhesive tape and production line |
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| CN109317531A (en) * | 2017-08-01 | 2019-02-12 | 蒙城县富源有色金属材料有限公司 | A kind of composite steel wire process units of luggage pipe item |
| CN110014583A (en) * | 2017-08-01 | 2019-07-16 | 蒙城县富源有色金属材料有限公司 | An a kind of machine has more the process units of luggage pipe item |
| CN110014583B (en) * | 2017-08-01 | 2023-12-12 | 蒙城县富源金属材料有限公司 | Production device for multi-outlet luggage pipe |
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| CN110576528B (en) * | 2019-10-30 | 2021-08-13 | 南丰县华德新材料科技有限责任公司 | Forming die head of plastic granulator |
| CN112372976A (en) * | 2020-09-08 | 2021-02-19 | 广东轻工职业技术学院 | High-strength homodromous differential asymmetric double-screw extruder and processing method |
| CN116277867A (en) * | 2023-05-25 | 2023-06-23 | 河北华亘科技有限公司 | Screw extruder for producing rubber sealing ring adhesive tape and production line |
| CN116277867B (en) * | 2023-05-25 | 2023-08-01 | 河北华亘科技有限公司 | Screw extruder for producing rubber sealing ring adhesive tape and production line |
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