CN106426637A - Plastic garbage crushing, screening and drying device - Google Patents

Plastic garbage crushing, screening and drying device Download PDF

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Publication number
CN106426637A
CN106426637A CN201610954132.7A CN201610954132A CN106426637A CN 106426637 A CN106426637 A CN 106426637A CN 201610954132 A CN201610954132 A CN 201610954132A CN 106426637 A CN106426637 A CN 106426637A
Authority
CN
China
Prior art keywords
machine body
filter
swash plate
screening
drying device
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.)
Withdrawn
Application number
CN201610954132.7A
Other languages
Chinese (zh)
Inventor
顾晓荣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou Zhengxian Pharmaceutical Technology Co Ltd
Original Assignee
Zhengzhou Zhengxian Pharmaceutical Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhengzhou Zhengxian Pharmaceutical Technology Co Ltd filed Critical Zhengzhou Zhengxian Pharmaceutical Technology Co Ltd
Priority to CN201610954132.7A priority Critical patent/CN106426637A/en
Publication of CN106426637A publication Critical patent/CN106426637A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00Recovery of plastics or other constituents of waste material containing plastics
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00Conditioning or physical treatment of the material to be shaped
    • B29B13/06Conditioning or physical treatment of the material to be shaped by drying
    • B29B13/065Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00Conditioning or physical treatment of the material to be shaped
    • B29B13/10Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04Disintegrating plastics, e.g. by milling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04Disintegrating plastics, e.g. by milling
    • B29B2017/0424Specific disintegrating techniques; devices therefor
    • B29B2017/0476Cutting or tearing members, e.g. spiked or toothed cylinders or intermeshing rollers
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/52Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/62Plastics recycling; Rubber recycling

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention discloses a plastic garbage crushing, screening and drying device. The device comprises a machine body; a feed port is formed in the upper end of the machine body; a through hole is formed in the left surface of the machine body; a recovery device fixed on the outer side wall of the machine body is arranged below the through hole; a guide plate is arranged in the machine body; two crushing rollers are mounted below the lowermost end of the guide plate; an inclined filter plate is arranged below the crushing rollers; slide blocks are welded at two ends of the filter plate; chutes matched with the slide blocks are formed in the inner side wall of the machine body; springs are connected to the lower sides of two ends of the filter plate; support legs are arranged at the lower end of the machine body; rollers are mounted at the bottoms of the support legs; an air heater is arranged on the left side of the machine body; the right end of the air heater is connected with the machine body through an intake pipe; the right side of the machine body is connected with an exhaust fan through an exhaust pipe; and the right end of the exhaust fan is connected with a drying device through a pipe. The plastic garbage crushing, screening and drying device is simple in structure and convenient for use, has improved crushing efficiency, is energy-saving and environment-friendly, and is convenient to move.

Description

A kind of plastic garbage crushing and screening drying unit
Technical field
The present invention relates to environmental technology field, specifically a kind of plastic garbage crushing and screening drying unit.
Background technology
Often produce some waste plastics in building and daily life, and these plastics are all often to reclaim Using, the recycling of plastics generally requires first to be pulverized and screen, and the plastics after pulverizing are readily transported and pack, and sieve Often some can directly process plastics after choosing, and traditional pulverizing and screening are often carried out separately, and some Plastics wherein had some before pulverizing and need not move through what pulverizing can directly be screened, and existing conventional size reduction device is not Possesses this function, simultaneously traditional screening reducing mechanism does not possess certain drying effect yet, but plastics are again through transport When, it is difficult to ensure that its degree of drying, the degree of drying of the particle after being also difficult to ensure its pulverizing, equally, traditional drying It is also required to independent with reducing mechanism, so undoubtedly increased floor space, and traditional screening plant often all has Electric power drives seismic mass that screen pack is shaken, but the frequency of seismic mass is often all very big, and adjusts also very numb Tired.
Content of the invention
It is an object of the invention to provide a kind of plastic garbage crushing and screening drying unit, to solve in above-mentioned background technology The problem proposing.
For achieving the above object, the present invention provides following technical scheme:
A kind of plastic garbage crushing and screening drying unit, including body, described body upper end is provided with charging aperture, on charging aperture It is provided with the first swash plate positioned at internal body, be connected with riser below the first swash plate, be provided with the left of riser and be installed on internal body Screen pack, be provided with the second swash plate below described riser, be provided with the 3rd swash plate below screen pack, body left surface offer logical Hole, is provided with the retracting device being fixed on body lateral wall below through hole;The lower section of described 3rd swash plate is additionally provided with stock guide, leads Flitch is obliquely installed, and at stock guide least significant end below two pulverization rollers are installed, be provided with the mistake of inclination below described pulverization roller Filter plate, the two ends of filter are welded with slide block, and body inner wall is offered the chute being matched with slide block, described filter It is also associated with spring, the upper end of spring is fixed on filter lower surface, and the lower end of spring is fixed on fixed block upper end on the downside of two ends, Fixed block is fixedly mounted on body inner wall;Coarse fodder outlet, machine are further opened with the organism sidewall of described filter least significant end The lower end of body is provided with blow tank, and blow tank lower end is connected with discharge nozzle;The lower end of body is additionally provided with supporting leg, the bottom peace of supporting leg Equipped with roller;It is provided with air-heater, air-heater right-hand member is connected with body by blast pipe, passes through on the right side of body on the left of described body Airduct connects air exhauster, and air exhauster right-hand member connects drying device by pipeline, connects cloth bag by pipeline and remove on the right side of drying device Dirt device.
As the further scheme of the present invention:Described retracting device includes the first recovery tube, connects below the first recovery tube There is the second recovery tube, below the second recovery tube, be provided with rewinding case, the first rewinding case is installed in gripper shoe, and gripper shoe is fixed on machine On body sidewall.
As the present invention further scheme:The crushing tooth being meshed is provided with described pulverization roller.
As the present invention further scheme:Described filter is 5-10 ° with the angle of horizontal plane.
As the present invention further scheme:It is provided with drier inside described drying device.
Compared with prior art, the invention has the beneficial effects as follows:Present configuration is simple, easy to use, first can be by Short grained plastics are collected, and need not be pulverized, improve crush efficiency, and filter, without seismic mass, can independently exist Move back and forth on vertical direction, serve the screening effect of itself, save the energy, air-heater blasts hot blast pair toward internal body Plastics carry out hot-air seasoning, and air exhauster enters dust in sack cleaner after being dried after moist steam suction drying device Collect, protect environment, and be moved easily.
Brief description
Fig. 1 is the structural representation of plastic garbage crushing and screening drying unit;
In figure:1- body, 2- charging aperture, 3- first swash plate, 4- riser, 5- screen pack, 6- second swash plate, 7- the 3rd are oblique Plate, 8- through hole, 9- retracting device, 91- first recovery tube, 92- second recovery tube, 93- rewinding case, 94- gripper shoe, 10- guide Plate, 11- pulverization roller, 12- crushing tooth, 13- filter, 14- slide block, 15- chute, 16- spring, 17- fixed block, 18- coarse fodder go out Mouth, 19- blow tank, 20- discharge nozzle, 21- supporting leg, 22- roller, 23- air-heater, 24- blast pipe, 25- exhaust column, 26- exhausting Machine, 27- drying device, 28- sack cleaner.
Specific embodiment
With reference to specific embodiment, the technical scheme of this patent is described in more detail.
Refer to Fig. 1, a kind of plastic garbage crushing and screening drying unit, including body 1, described body 1 upper end be provided with into Material mouth 2, charging aperture 2 is provided with the first swash plate 3 within positioned at body 1, is connected with riser 4 below the first swash plate 3, and riser 4 is left Side is provided with the screen pack 5 being installed within body 1, is provided with the second swash plate 6, is provided with the 3rd below screen pack 5 below described riser 4 Swash plate 7, body 1 left surface offers through hole 8, is provided with the retracting device 9 being fixed on body 1 lateral wall below through hole 8, returns Receiving apparatus 9 include the first recovery tube 91, be connected with the second recovery tube 92, set below the second recovery tube 92 below the first recovery tube 91 There is rewinding case 93, the first rewinding case 93 is installed in gripper shoe 94, gripper shoe 94 is fixed on body 1 side wall;Described 3rd is oblique The lower section of plate 7 is additionally provided with stock guide 10, and stock guide 10 is obliquely installed, and at stock guide 10 least significant end below two pulverizing are installed Roller 11, pulverization roller 11 is provided with the crushing tooth 12 being meshed, and is provided with the filter 13 of inclination below described pulverization roller 11, filters The two ends of plate 13 are welded with slide block 14, and body 1 madial wall is offered the chute 15 being matched with slide block 14, described filter 13 Two ends on the downside of be also associated with spring 16, the upper end of spring 16 is fixed on filter 13 lower surface, and the lower end of spring 16 is fixed on Fixed block 17 upper end, fixed block 17 is fixedly mounted on body 1 madial wall;On the body 1 side wall of described filter 13 least significant end It is further opened with coarse fodder outlet 18, the lower end of body 1 is provided with blow tank 19, and blow tank 19 lower end is connected with discharge nozzle 20;Body 1 Lower end be additionally provided with supporting leg 21, the bottom of supporting leg 21 is provided with roller 22.
Need the plastic grain pulverized to enter in body 1 through charging aperture 2, first have the first swash plate 3 and riser 4 to carry out water conservancy diversion Contact with screen pack 5 afterwards, short grained plastics through screen pack 5 effect through screen pack 5, through the 3rd swash plate 7 water conservancy diversion Enter through hole 8, enter retracting device 9 through through hole 8 and directly recycle, and oarse-grained plastics can be along screen pack via the The effect of two swash plates 6 and stock guide 10 enters is pulverized on pulverization roller 11, and the plastics after pulverizing fall directly into filter On 13, can slide in the two ends of filter 13, and therefore, the plastic grain after pulverizing can produce downward impact to filter 13 Power, and filter 13 lower end is fixed on spring 16, and the pulverizing of plastic grain is not uniformity that is to say, that plastics Grain changes always to the impulsive force of filter 13, and such filter 13 can in the vertical direction move back and forth, and serves certainly The screening effect of body, saves the energy, the plastics after screening are reclaimed through blow tank 19 and discharge nozzle 20, and relatively Oarse-grained underproof plastics then through coarse fodder outlet 18 discharge, carry out next round pulverizing.
Described filter 13 is 5-10 ° with the angle of horizontal plane.
It is provided with air-heater 23, air-heater 23 right-hand member is connected with body 1 by blast pipe 24, body 1 is right on the left of described body 1 Side connects air exhauster 26 by discharge pipe 25, and air exhauster 26 right-hand member connects drying device 27 by pipeline, inside drying device 27 It is provided with drier, drying device 27 right side connects sack cleaner 28 by pipeline.Air-heater 23 blasts hot blast toward inside body 1 Plastics are carried out with hot-air seasoning, air exhauster 26 enters sack cleaner 28 after being dried after moist steam suction drying device 27 Middle by dust collection, protect environment.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment party Formula, in the ken that one skilled in the relevant art possesses, can also be on the premise of without departing from this patent objective Make a variety of changes.

Claims (3)

1. a kind of plastic garbage crushing and screening drying unit, including body it is characterised in that described body upper end is provided with charging Mouthful, charging aperture is provided with the first swash plate positioned at internal body, is connected with riser below the first swash plate, is provided with installation on the left of riser It is provided with the second swash plate below the screen pack of internal body, described riser, below screen pack, be provided with the 3rd swash plate, body left surface On offer through hole, be provided with the retracting device being fixed on body lateral wall below through hole;The lower section of described 3rd swash plate also sets Have stock guide, stock guide is obliquely installed, and at stock guide least significant end below two pulverization rollers are installed, set below described pulverization roller There is the filter of inclination, the two ends of filter are welded with slide block, and body inner wall is offered the chute being matched with slide block, institute State and on the downside of the two ends of filter, be also associated with spring, the upper end of spring is fixed on filter lower surface, and the lower end of spring is fixed on Fixed block upper end, fixed block is fixedly mounted on body inner wall;It is further opened with the organism sidewall of described filter least significant end Coarse fodder exports, and the lower end of body is provided with blow tank, and blow tank lower end is connected with discharge nozzle;The lower end of body is additionally provided with supporting leg, The bottom of supporting leg is provided with roller;It is provided with air-heater, air-heater right-hand member is connected with body by blast pipe, machine on the left of described body On the right side of body, air exhauster is connected by discharge pipe, air exhauster right-hand member connects drying device by pipeline, on the right side of drying device, pass through pipe Road connects sack cleaner, and described retracting device includes the first recovery tube, is connected with the second recovery tube below the first recovery tube, the It is provided with rewinding case, the first rewinding case is installed in gripper shoe, and gripper shoe is fixed on organism sidewall, described powder below two recovery tubes The crushing tooth being meshed is provided with broken roller.
2. plastic garbage crushing and screening drying unit according to claim 3 is it is characterised in that described filter and level The angle in face is 5-10 °.
3. the plastic garbage crushing and screening drying unit according to claim 1 or 2 or 4 is it is characterised in that described drying fills Put inside and be provided with drier.
CN201610954132.7A 2016-11-03 2016-11-03 Plastic garbage crushing, screening and drying device Withdrawn CN106426637A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610954132.7A CN106426637A (en) 2016-11-03 2016-11-03 Plastic garbage crushing, screening and drying device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610954132.7A CN106426637A (en) 2016-11-03 2016-11-03 Plastic garbage crushing, screening and drying device

Publications (1)

Publication Number Publication Date
CN106426637A true CN106426637A (en) 2017-02-22

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107053526A (en) * 2017-05-02 2017-08-18 江苏信息职业技术学院 A kind of plastic processing station-service polymer matrix composites separator
CN107655269A (en) * 2017-10-18 2018-02-02 贵州康源铁皮石斛农业科研开发有限公司 Dry-storage device for dendrobium candidum
CN107672086A (en) * 2017-10-23 2018-02-09 江苏润大橡塑材料有限公司 A kind of recycled plastic environment-friendly and energy-efficient dries screening machine
CN107877734A (en) * 2017-11-20 2018-04-06 滁州华美塑业有限公司 A kind of Masterbatch processing heater
CN108162244A (en) * 2017-12-26 2018-06-15 宁波高新区新柯保汽车科技有限公司 For the integration apparatus of plastics dries pulverizing
CN108212294A (en) * 2017-12-24 2018-06-29 佛山市倍尚利环保科技有限公司 A kind of multi-stage crushing dust-extraction unit of environmental protection machinery
CN109049401A (en) * 2018-07-30 2018-12-21 南通海明环保科技有限公司 A kind of plastic grain processing unit of environmental protection
CN109049417A (en) * 2018-07-24 2018-12-21 黄山豪泰塑胶有限公司 A kind of equipment for purifying of PVC packaging material
CN109130005A (en) * 2018-09-16 2019-01-04 湖州新峰塑业有限公司 A kind of new and effective plastic crushing device
CN109228013A (en) * 2018-08-22 2019-01-18 安徽电缆股份有限公司 A kind of Exterior cable insulating layer raw material production batch mixer dust removal machine
CN110341085A (en) * 2018-04-03 2019-10-18 天津市江源塑胶制品有限公司 A kind of plastic waste recyclable device
CN110549421A (en) * 2019-09-30 2019-12-10 浙江海利环保科技股份有限公司 plastic bottle perforating device
CN110976477A (en) * 2019-11-30 2020-04-10 黑龙江建筑职业技术学院 Garbage crushing device for environmental protection engineering
CN111483074A (en) * 2020-04-07 2020-08-04 黄春生 Plastic processing machine capable of drying materials
CN112109243A (en) * 2020-09-24 2020-12-22 刘季祥 PVC pipe recovery plant
CN112902180A (en) * 2018-08-02 2021-06-04 杨海滨 Urban garbage handles with high-efficient device that burns

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204933595U (en) * 2015-09-21 2016-01-06 河北科莱达新能源科技股份有限公司 A kind of vertical plastic pulverizer for EPS waste recovery recycling
CN105665069A (en) * 2016-03-16 2016-06-15 杨露萍 Plastic particle smashing, screening and drying device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204933595U (en) * 2015-09-21 2016-01-06 河北科莱达新能源科技股份有限公司 A kind of vertical plastic pulverizer for EPS waste recovery recycling
CN105665069A (en) * 2016-03-16 2016-06-15 杨露萍 Plastic particle smashing, screening and drying device

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107053526A (en) * 2017-05-02 2017-08-18 江苏信息职业技术学院 A kind of plastic processing station-service polymer matrix composites separator
CN107655269A (en) * 2017-10-18 2018-02-02 贵州康源铁皮石斛农业科研开发有限公司 Dry-storage device for dendrobium candidum
CN107672086A (en) * 2017-10-23 2018-02-09 江苏润大橡塑材料有限公司 A kind of recycled plastic environment-friendly and energy-efficient dries screening machine
CN107672086B (en) * 2017-10-23 2024-01-19 江苏润大橡塑材料有限公司 Environment-friendly and energy-saving drying and screening machine for recycled plastics
CN107877734A (en) * 2017-11-20 2018-04-06 滁州华美塑业有限公司 A kind of Masterbatch processing heater
CN108212294A (en) * 2017-12-24 2018-06-29 佛山市倍尚利环保科技有限公司 A kind of multi-stage crushing dust-extraction unit of environmental protection machinery
CN108162244A (en) * 2017-12-26 2018-06-15 宁波高新区新柯保汽车科技有限公司 For the integration apparatus of plastics dries pulverizing
CN108162244B (en) * 2017-12-26 2019-11-12 宁波高新区新柯保汽车科技有限公司 Integration apparatus for plastics dries pulverizing
CN110341085A (en) * 2018-04-03 2019-10-18 天津市江源塑胶制品有限公司 A kind of plastic waste recyclable device
CN109049417A (en) * 2018-07-24 2018-12-21 黄山豪泰塑胶有限公司 A kind of equipment for purifying of PVC packaging material
CN109049401B (en) * 2018-07-30 2020-06-09 胡将碟 Plastic granules processing apparatus of environmental protection
CN109049401A (en) * 2018-07-30 2018-12-21 南通海明环保科技有限公司 A kind of plastic grain processing unit of environmental protection
CN112902180A (en) * 2018-08-02 2021-06-04 杨海滨 Urban garbage handles with high-efficient device that burns
CN112902180B (en) * 2018-08-02 2022-10-14 杨海滨 Urban garbage handles with high-efficient device that burns
CN109228013A (en) * 2018-08-22 2019-01-18 安徽电缆股份有限公司 A kind of Exterior cable insulating layer raw material production batch mixer dust removal machine
CN109130005A (en) * 2018-09-16 2019-01-04 湖州新峰塑业有限公司 A kind of new and effective plastic crushing device
CN110549421A (en) * 2019-09-30 2019-12-10 浙江海利环保科技股份有限公司 plastic bottle perforating device
CN110976477A (en) * 2019-11-30 2020-04-10 黑龙江建筑职业技术学院 Garbage crushing device for environmental protection engineering
CN111483074A (en) * 2020-04-07 2020-08-04 黄春生 Plastic processing machine capable of drying materials
CN112109243A (en) * 2020-09-24 2020-12-22 刘季祥 PVC pipe recovery plant

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Application publication date: 20170222

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