WO2011147125A1 - Procédé de recyclage de déchets de caoutchouc et dispositif pour ce procédé - Google Patents

Procédé de recyclage de déchets de caoutchouc et dispositif pour ce procédé Download PDF

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Publication number
WO2011147125A1
WO2011147125A1 PCT/CN2010/075902 CN2010075902W WO2011147125A1 WO 2011147125 A1 WO2011147125 A1 WO 2011147125A1 CN 2010075902 W CN2010075902 W CN 2010075902W WO 2011147125 A1 WO2011147125 A1 WO 2011147125A1
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WO
WIPO (PCT)
Prior art keywords
rubber
waste rubber
waste
grinding
shearing
Prior art date
Application number
PCT/CN2010/075902
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English (en)
Chinese (zh)
Inventor
顾惠良
顾军
Original Assignee
Gu Huiliang
Gu Jun
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 Gu Huiliang, Gu Jun filed Critical Gu Huiliang
Publication of WO2011147125A1 publication Critical patent/WO2011147125A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04—Disintegrating plastics, e.g. by milling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2021/00—Use of unspecified rubbers as moulding material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Definitions

  • the invention relates to the field of rubber processing equipment, in particular to a waste rubber recycling processing method and a device thereof.
  • the rapid development of industrial technology has also produced a large number of scrapped or aged rubber products, such as automobile tires, cushioning parts, seals, soles, etc.
  • these waste rubber products can be removed from the internal filling. It is recycled into rubber powder or rubber pellets to make recycled rubber products such as plastic track and rubber mat.
  • the current recycling processing methods mainly include low-temperature freeze-crushing method and normal-temperature physical crushing method.
  • the former limits its popularity and application due to high power consumption and high cost; and the normal temperature physical crushing method has become the main direction of current research and development and application.
  • the invention patent "03150574---automatic assembly line and method for crushing and pulverizing waste rubber products at normal temperature” discloses a fully automatic assembly line for completely sealing and crushing waste rubber at normal temperature, including computer control terminal and shearing block.
  • Device glue block shredding device, medium crushing and medium crushing separation device, fine crushing device, air suspension classifying device, material automatic weighing and packaging device, storage bin and transport device, characterized in that: computer controlled automatic assembly line is composed of Units such as shearing and crushing device, rubber shredder, medium and medium crushing device, fine crushing device, air suspension classifying device, material automatic weighing and packaging device, etc. are connected in series or by two or more unit devices. After the series is composed.
  • the waste rubber recycling processing method requires cutting the waste rubber product into a small rubber block of 20-100 mm by using a shearing and crushing device; then shredding the small rubber block with a shredder separating device, magnetic, wind, screening and separation, 2 ⁇ 5 mesh colloidal particles are obtained; then crushed into 5 ⁇ 10 mesh rubber particles by high speed crushing and separating device; finely crushed into fine powder of 60-500 mesh by fine pulverizing device; finally, particle size grading is carried out by using air suspension device .
  • This type of assembly line equipment has many types, and requires multiple crushing equipment such as a rubber shredder device and a medium crushing device. A four-stage crushing process is required, the process is complicated, the land occupation is large, and the manufacturing and maintenance costs are high.
  • the assembly line uses a rotary cutter type pulverizer to crush the rubber block, and the rotary cutter type pulverizer pulverizes the rubber block by a high-speed rotating blade, and the rotation speed of the blade is about 600 rpm, which is in point contact with the pulverized material. Therefore, the wear amount of the blade is large, and the blade is often required to be maintained or replaced in 2 to 3 days at full load, and the cost is high and the maintenance workload is large.
  • the present applicant has provided a waste rubber recovery processing method and device with reasonable structure and few types of equipment for the above-mentioned existing waste rubber recycling processing equipment, complicated procedures, high manufacturing and maintenance costs, etc., and the invention has low manufacturing and maintenance cost and equipment utilization. High efficiency and high quality of product processing.
  • a method for recycling waste rubber by using the above-mentioned waste rubber recycling processing device comprising the following steps:
  • the first step crushing the waste rubber product into a rubber block by the shearing and breaking device
  • the second step pulverizing the above-mentioned rubber block into rubber particles by the granule pulverizing device;
  • the third step separating the above rubber particles by the separation device to separate the non-rubber material
  • the fourth step grinding the separated rubber particles into a rubber powder through the grinding device;
  • Step 5 Collect and package the above rubber powder.
  • the size of the rubber block is 2 to 10 cm; the size of the rubber particle is 1 to 10 mm; and the size of the rubber powder is 30 to 200 mesh;
  • the unqualified materials are recovered at the end of each step and re-entered into the step for reprocessing.
  • a waste rubber recycling processing device processed according to the above method for recycling waste rubber comprising a controller, a shearing device, a granule pulverizing device, a separating device, a grinding device and a rubber powder collecting device, wherein the controller
  • the controlled shearing device, the granule pulverizing device, the separating device, the grinding device and the rubber powder collecting device are connected in series or two or more of the above unit devices are arranged in parallel, and a conveyor belt is used between the units.
  • Connecting; the cutting and crushing device, the granule pulverizing device and the grinding device are all provided with a material sorting and recycling processing conveyor line. It is further characterized by:
  • a front end of the shearing device is provided with a tire drawing machine
  • the shearing and crushing device is a two-roll hobbing cutter crushing structure
  • the granule pulverizing device is a boring machine structure
  • the separating device comprises an electromagnet chip separating device and a wind-selecting fiber separating device, wherein the electromagnet chip separating device is provided with at least two sets, and the wind-selecting fiber separating device is provided with at least two sets;
  • the grinding device is a flat grinding disc type refiner
  • the rubber powder collecting device comprises an air suspension rubber powder classifier and a packaging machine.
  • the invention adopts the three-stage pulverization process step, simplifies the production process, simplifies the equipment, greatly reduces the equipment input and maintenance cost, and improves the production efficiency.
  • the invention provides a whole waste rubber recycling processing device for screening and filtering the metal and fiber dopants in the waste rubber, and can be cut by special equipment for large-sized materials, so that a large number of waste rubbers such as large engineering tires and seals can be processed. Products, a wide range of applications.
  • the shearing device of the invention is a two-roller hobbing cutter crushing structure
  • the granule pulverizing device is a boring machine structure
  • the grinding device is a flat grinding disc type refining machine, and at the same time, these devices are provided with material sorting equipment and returning materials. Processing the conveying line to prevent the inflow of unqualified materials into the next-level equipment, resulting in equipment damage, and at the same time effectively handling the unqualified materials; different from the shredder, rotary cutter, and horizontal grinding disc crusher repeatedly set in the prior art
  • Such equipment, these equipments have high crushing and grinding efficiency, simple structure, easy to use and maintain, and can quickly and safely treat waste rubber products into high-quality rubber powder.
  • the invention adopts secondary magnetic separation and air separation equipment to remove the filler materials such as steel wire and nylon cloth added in the manufacturing process of the waste rubber product, can substantially remove most of the filler impurities, not only protects the downstream equipment, but also improves the glue.
  • Figure 1 is a front view of the waste rubber recycling processing apparatus of the present invention
  • Figure 2 is a plan view of Figure 1.
  • the unit device including the series-connected shearing device, the granule pulverizing device, the separating device, the polishing device and the rubber powder collecting device controlled by the controller 22 is connected in series or two or more of the above-mentioned unit devices are arranged in parallel and connected in series.
  • the conveyors are connected between the units; the material separation and recovery and processing conveyor lines are arranged in the shearing crushing device, the granule crushing device and the grinding device.
  • the shear-crushing device 4 For tires of larger size, such as heavy-duty vehicles and special vehicles, it is not possible to directly crush in the shear-crushing device 4, and the large-size tire can be first cut by using a shearing machine 2 as disclosed in the patent '200720039372-tire shearing machine'. A 1/2 or 1/4 piece is then placed in the shearing device 4 for crushing.
  • the wire drawing machine 1 and the shearing machine 2 are not required, and the cutting block breaking device 4 can be directly processed.
  • the waste rubber product is placed on the conveyor 3, lifted and transported to the upper part of the shearing and crushing device 4, and falls into the feeding port of the shearing and crushing device 4 by self-weight;
  • the specific structure of the shearing and crushing device 4 is as patent '200710023161-waste
  • the structure disclosed in the method and apparatus for smashing tires mainly relies on the interlaced multi-row hobbing cutters 401 provided on two mutually intermeshing rolls to smash the waste rubber products, and smash the large pieces of waste rubber products into 2 pieces.
  • the rubber block is dropped from below the hobbing cutter 401 to the trommel 402, the rubber block having a size smaller than the mesh hole is dropped on the lower conveying belt 403 through the mesh hole, and the rubber block having a size larger than the mesh hole follows the roller
  • the rotary motion of the screen 402 is carried over the hobbing cutter 401, and falls back between the hobbing cutters 401 under the action of its own weight, and is re-sheared and pulverized.
  • the rubber block of the required size is conveyed to the hopper opening 601 of the granule pulverizing device 6 through the conveying belt 403 and the conveyor 5, and the specific structure of the granule pulverizing device 6 is as follows: '200720039371-Block pulverizer' and '201010183792.2-Rubber ⁇
  • the structure disclosed in the cutting machine mainly relies on the screw feeding structure to transport the rubber block to the conical chopping cavity, and under the action of the pressing and shearing of the chopping screw head and the chopping sleeve, 2 to 10 cm
  • the rubber block is pulverized into rubber particles of 1 to 10 mm, and the pulverized rubber particles are transferred from the outlet end of the granule pulverizing device 6 to the vibrating screen 21 and conveyed forward, and sequentially passed through the belt type iron removing machine 7 and the suction type coarse fiber.
  • the belt type iron removing machine 7 is provided with an electromagnet between the conveying belts.
  • the iron wire and the metal piece in the pulverized particles in the vibration are magnetically attracted to the belt by the electromagnet, and the belt is rolled to the end of the pulley, and the electromagnet is left.
  • the adsorbed metal piece is scraped off by the side scraper to the iron scrap collection box;
  • the suction type coarse fiber separator 8 is provided with an air suction port on the upper part of the vibrating screen 21 to suck the coarse fiber in the pulverized particles in the vibration.
  • the small-sized particles passing through the sieve of the vibrating screen 21 are transported to the roller type magnetic separator 20, and the structure thereof is as disclosed in '201020204172.8-roller type iron remover', and the second magnetic separation is performed, and the size is small.
  • the iron chips are separated; the large-sized particles which cannot pass through the sieve of the vibrating screen 21 are separated from the vibrating screen 21, collected, and transported by the return conveyor 9 to the hopper opening 601 of the granule pulverizing device 6, and re-pulverized and pulverized.
  • the invention adopts the granule pulverizing device 6 to replace the rotary pulverizer of the prior art, and the granule pulverizing device pulverizes the material by the principle of low-speed shear grinding, and the rotation speed of the cutting shaft is 30 rpm, which is combined with the pulverized material.
  • the wear of the grinding surface is small, the life of the grinding surface is greatly increased, and the average life cycle is one to two years, which greatly reduces the production cost and maintenance; at the same time, the crushing efficiency is high, compared with the rotation of the same power. Knife mills can double the production per unit time.
  • the pulverized particles that have passed the secondary magnetic separation are sent to the air suspension type fiber separator 10 for secondary fiber separation, and the air suspension type fiber separator 10 is patented as '200320118550 -
  • the structure disclosed in the air flow sorter's structure uses a bottom blast, internally provided with rotors and blades, separating materials of different densities and outputting them from different channels of the inner cylinder and the outer cylinder.
  • the fiber particles are lighter in density, so The upper collection channel is output; the rubber particles are transported from the bottom delivery channel 18 to the rear mixing bin 11 because of the heavier density.
  • the rubber particles are added with additives such as talc in the mixing bin 11, and are evenly distributed through the feeding conveyor 12 to a plurality of parallel Grinding device 13, mixing bin structure such as '201010183749.6-mixing device', conveyor structure such as '201010183745.8-screw conveyor splitting device', grinding device 13 such as patent '200720039370-gel grinder' Grinding disc type refiner structure, 1 ⁇ 6 mm of rubber particles enters the grinding chamber between the moving disc and the fixed grinding disc, and the cemented carbide insert provided on the grinding disc is pulverized into 30-200 mesh rubber powder under the shearing action. .
  • the rubber powder is conveyed to the air suspension type rubber powder classifier 15.
  • the basic structure of the air suspension type rubber powder classifier 15 is the same as that of the above-mentioned air suspension type fiber separator 10, and the materials of different densities are separated by the swirling airflow and are separated from the inner cylinder. Different channels of the outer cylinder are output, and the rubber powder that meets the requirements is transported by the conveyor 16 to the rubber powder packaging machine at the rear for packaging, and the oversized rubber powder is screened out and returned again through the return pipe 23
  • the polishing device 13 performs secondary polishing.
  • the shearing crushing device, the granule pulverizing device and the grinding device in the device are all provided with material sorting equipment and returning material reprocessing conveying line, thereby improving the utilization rate of the existing equipment and preventing the unqualified materials from flowing into the next level.
  • the invention adopts secondary magnetic separation and air separation equipment to remove the filler materials such as steel wire and nylon cloth added in the manufacturing process of the waste rubber product, can substantially remove most of the filler impurities, not only protects the downstream equipment, but also improves the glue. The purity of the powder to prepare a high quality end product.
  • the above description is illustrative of the present invention and is not intended to limit the scope of the invention.
  • the scope of the invention is defined by the appended claims.
  • the invention may be modified in any form without departing from the spirit of the invention.
  • the partial device section of the waste rubber recycling processing device is used for the purpose of deep processing the rubber product form of the previous stage to the next stage of the rubber product form.

Abstract

L'invention porte sur un procédé et un appareil de recyclage de déchets de caoutchouc. L'appareil selon l'invention comprend une unité de commande, un broyeur à cisaillement (4), une déchiqueteuse à frottement (6), un dispositif séparateur, un dispositif à meule (13) et un collecteur de poudre de caoutchouc, le broyeur à cisaillement (4), la déchiqueteuse à frottement (6), le dispositif séparateur, le dispositif à meule (13) et le collecteur de poudre de caoutchouc, qui sont commandés par l'unité de commande, étant montés en série ou, en variante, ayant deux ou plus de deux desdits dispositifs unitaires disposés en parallèle avant d'être reliés à d'autres en série. Des transporteurs sont déployés entre les dispositifs unitaires et des lignes de transport pour le triage des matières et leur recyclage pour le retraitement sont agencées dans le broyeur à cisaillement (4), la déchiqueteuse à frottement (6) et le dispositif à meule (13). Le coût de fabrication et d'entretien est réduit, le taux d'utilisation des appareils est amélioré et la qualité de traitement du produit est améliorée par la combinaison rationnelle de ces appareils.
PCT/CN2010/075902 2010-05-27 2010-08-11 Procédé de recyclage de déchets de caoutchouc et dispositif pour ce procédé WO2011147125A1 (fr)

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Application Number Priority Date Filing Date Title
CN201010183797.5 2010-05-27
CN2010101837975A CN101954682A (zh) 2010-05-27 2010-05-27 废橡胶回收加工方法及其装置

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CN107650299A (zh) * 2017-10-30 2018-02-02 莒县东盛橡胶有限公司 胶料粉碎联动生产装置
CN109648746A (zh) * 2019-02-25 2019-04-19 济南聚隆塑业有限公司 一种回收料破碎系统用撕碎机
CN113211107A (zh) * 2021-04-19 2021-08-06 浙江锯力煌锯床股份有限公司 一种自动锯切生产线
CN115990966A (zh) * 2023-03-23 2023-04-21 江苏中宏环保科技有限公司 一种再生胶生产用粉碎装置
CN116408902A (zh) * 2023-03-06 2023-07-11 绵阳锐洋新材料技术开发有限公司 一种废旧橡胶的循环利用加工方法

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CN104002394A (zh) * 2014-05-23 2014-08-27 重庆市聚益橡胶制品有限公司 利用废旧轮胎生产橡胶胶粉的工艺
CN104875297B (zh) * 2015-05-14 2017-11-28 浙江菱正环保科技有限公司 利用废旧轮胎制取精细胶粉系统
CN105618234B (zh) * 2016-01-04 2018-11-20 江苏阿路美格新材料股份有限公司 一种用于粉碎a2级防火芯卷的设备
CN105856453A (zh) * 2016-02-25 2016-08-17 吉林重通成飞新材料股份公司 风电叶片回收处理方法
CN105881775A (zh) * 2016-02-25 2016-08-24 吉林重通成飞新材料股份公司 风电叶片回收处理方法
CN105666739A (zh) * 2016-02-25 2016-06-15 吉林重通成飞新材料股份公司 风电叶片回收处理方法
CN105563694A (zh) * 2016-02-25 2016-05-11 吉林重通成飞新材料股份公司 风电叶片回收处理方法
CN106335142A (zh) * 2016-08-31 2017-01-18 广东隽诺环保科技股份有限公司 轮胎破碎回收系统
CN106391658B (zh) * 2016-10-17 2019-12-10 华南理工大学 面向大规模客户化定制的废旧轮胎资源化回收处理系统
CN108748805A (zh) * 2018-05-08 2018-11-06 杭州大橙知科技有限公司 一种废弃橡胶再利用设备
CN110804231A (zh) * 2018-08-06 2020-02-18 中胶伟业（北京）科技发展有限公司 一种胶粉及制备方法
CN109531880A (zh) * 2018-12-29 2019-03-29 广州市联冠机械有限公司 一种橡胶磨粉回收系统
CN109675911A (zh) * 2019-01-25 2019-04-26 郴州智造科技有限公司 利用鞋材、海绵、化纤类固废生产步道砖的方法及装置
CN110640939A (zh) * 2019-09-25 2020-01-03 福建中宏新材料科技有限公司 一种废内胎免清洗破碎工艺
CN111037802A (zh) * 2020-02-23 2020-04-21 杨松 废旧载重轮胎外胎破碎机器人胶块破碎系统

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107650299A (zh) * 2017-10-30 2018-02-02 莒县东盛橡胶有限公司 胶料粉碎联动生产装置
CN109648746A (zh) * 2019-02-25 2019-04-19 济南聚隆塑业有限公司 一种回收料破碎系统用撕碎机
CN113211107A (zh) * 2021-04-19 2021-08-06 浙江锯力煌锯床股份有限公司 一种自动锯切生产线
CN116408902A (zh) * 2023-03-06 2023-07-11 绵阳锐洋新材料技术开发有限公司 一种废旧橡胶的循环利用加工方法
CN116408902B (zh) * 2023-03-06 2024-04-30 绵阳锐洋新材料技术开发有限公司 一种废旧橡胶的循环利用加工方法
CN115990966A (zh) * 2023-03-23 2023-04-21 江苏中宏环保科技有限公司 一种再生胶生产用粉碎装置
CN115990966B (zh) * 2023-03-23 2023-05-23 江苏中宏环保科技有限公司 一种再生胶生产用粉碎装置

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