WO2008116382A1 - Équipement combiné de concassage fin d'élastomère et procédé de conception - Google Patents

Équipement combiné de concassage fin d'élastomère et procédé de conception Download PDF

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Publication number
WO2008116382A1
WO2008116382A1 PCT/CN2008/000558 CN2008000558W WO2008116382A1 WO 2008116382 A1 WO2008116382 A1 WO 2008116382A1 CN 2008000558 W CN2008000558 W CN 2008000558W WO 2008116382 A1 WO2008116382 A1 WO 2008116382A1
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WO
WIPO (PCT)
Prior art keywords
fine
powder
group
unit
combination
Prior art date
Application number
PCT/CN2008/000558
Other languages
English (en)
Chinese (zh)
Inventor
Shuyi Chen
Kan Hu
Original Assignee
Shuyi Chen
Kan Hu
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 Shuyi Chen, Kan Hu filed Critical Shuyi Chen
Priority to CA 2681555 priority Critical patent/CA2681555A1/fr
Publication of WO2008116382A1 publication Critical patent/WO2008116382A1/fr

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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
    • 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
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • B02C18/148—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers specially adapted for disintegrating plastics, e.g. cinematographic films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C25/00—Control arrangements specially adapted for crushing or disintegrating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/60—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material
    • B29B7/603—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material in measured doses, e.g. proportioning of several materials
    • 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 provides an elastic fine crushing combined device capable of adding auxiliary materials before and after fine crushing and capable of steady flow feeding, and a configuration method thereof, relating to a technical combination of a process combination of a fine crushing device for an elastomer material or a configuration method of a full-flow device.
  • Waste I. Daily regeneration of the elastomer material by fine pulverization process not only can avoid the waste gas and waste water pollution caused by the high-temperature regeneration process, and the obtained materials have no toxic and odor of the traditional reclaimed rubber; Finely smashed integrated assembly equipment, also has defects in operation, specifically, mainly -
  • the normal temperature fine pulverization process usually adds an appropriate amount of pulverization aid to the elastomer coarse material to be fed into the fine pulverizer, and the current integrated combination equipment is not set accordingly.
  • the closed implementation device causes the additive material to contaminate the production environment;
  • the current integrated combination equipment does not have a corresponding device for sealing and smashing auxiliaries, without the addition of a smashing aid, and the fine pulverization of the elastomer material is carried out at room temperature.
  • the fine pulverizer in the current integrated combination equipment once The material that can pass through the 90 mesh sieve in the material of the fine pulverizer will never exceed 40%. Usually, the material that can pass the 90 mesh sieve in the material processed by the grinding wheel fine pulverizer will never exceed 50%, and the cutting disc is fine.
  • the material that can pass through the 90 mesh sieve in the material processed by the pulverizer is only between 5 and 10%; but the coarser elastomer powder of the 90 mesh screen, because of the obvious new and old glue between the coarse powder and the new glue.
  • the interface is not able to form a uniform phase with the new compound, so their performance in the new material is poor;
  • each single fine pulverizer is connected in parallel, then connected in series in the pulverized integrated combination unit, and the imported pulverizing unit of the fine pulverizing unit
  • the discharge port of the fine pulverizing unit is passed through the cyclone separator, and the rubber powder grading or sieving machine is released, and the separated fine material is fed into the storage bin and the coarse material is returned to the coarse silo;
  • Such a device combination process configuration because the particle size of the inlet material and the content of the crushing aid in the feed are not guaranteed to be constant, the coarse material in the finely divided material is increased, and the coarse powder is increased after the screening, and finally 5 ⁇ 30 mesh coarse material inlet flow reduced or paused, causing fluctuations in the capacity of the entire unit;
  • Another object of the present invention is to provide an elastomer fine crushing assembly device which can make the material size of the fine crusher and the content of the crushing aid in the feed constant, which can not only make the fine powder of the fine crusher finer than that of the fine crusher. equal
  • the content of 90 mesh rubber powder is over 70%, and it is necessary to make the 5 ⁇ 30 mesh coarse material flow stably, and eliminate the fluctuation of the capacity of the unit.
  • a mechanical device capable of adding auxiliary materials is arranged to facilitate the operation of adding auxiliaries such as shredding, powder wetting and granulation to the material, and the products of the pulverizing and regenerating process of the elastomer are produced and produced. Really achieve environmental protection when used;
  • the mechanical device for adding the auxiliary material is at least a weighing device with one unit;
  • the weighing device may be a weighable scale or a volumetric barrel, tank, tube, or a combination thereof;
  • the mechanical device for adding the auxiliary material is at least a mechanical device with a unit for mixing the added auxiliary material with the rubber particles and the rubber powder;
  • the mechanical device in which the auxiliary material is mixed with the rubber particles and the rubber powder may be a barrel, a tank or a tube with a stirring, or a barrel, a tank, a tube, or a combination thereof, in which the outer casing can rotate;
  • the mechanical device for adding the auxiliary material is preferably a closed dustproof structure.
  • the crushing unit is divided into three groups A or B or three groups A, B and C; the flow ratio of the two groups is divided into two groups.
  • Group B is connected to Group A crushing and screening material returning pipeline (only accept Group A crushing, screening material returning)
  • Group C is connected to Group B crushing, screening material returning pipe Road (only accept group B crushing, screening material return)
  • A, B, C group outlets can be parallel, parallel outlet cyclone After the separator, the grading and sieving machinery are connected; the outlets of Groups B and C may not be connected in parallel with the outlets of Group A, because the powders from Groups B and C are mostly finer than 90 to 200 mesh. Therefore, its outlet can bypass the grading and screening machinery to reach the fine powder storage bin.
  • the outlets of Groups B and C can also be categorized by two valve lines, screened by machinery, and directly connected to the fine powder storage bin.
  • the present invention provides an elastomeric fine crushing combination device capable of adding an auxiliary material before and after fine crushing and capable of steady flow feeding, and a perfect setting, which is: after the combined device provided by the present invention Adding one or more combination devices such as a powder mixer, a granulator, a screw extruder, a calender, a kneader, etc. to re-agglomerate the ultrafine elastomer powder, so as to obtain fineness instead of a reinforced elastomeric recycled material; or/and a packaging machine with a powdered material thereafter;
  • combination devices such as a powder mixer, a granulator, a screw extruder, a calender, a kneader, etc.
  • the perfect setting may also refer to: adding an automatic control circuit to the combined device provided by the invention, so as to facilitate the addition of the auxiliary device of the combined device, the mixing of the auxiliary agent with the rubber particles and the rubber powder, and the opening of the fine crushing machine.
  • the control of stop, feed, air intake, pump water cooling, etc., A, B or A, B, C three groups of fine crushing unit feed ratio deployment and other operations to implement computerized control.
  • the inventive concept is implemented as follows:
  • the invention provides an elastic material fine crushing combination device capable of adding auxiliary materials before and after fine crushing, which can stably feed the feed, and the characteristics thereof include: a mechanical device capable of adding an auxiliary material is arranged before or/or after the fine crusher.
  • the mechanical device for adding the auxiliary material is at least a weighing device with one unit, and the weighing device may be one of a weighable scale or a volume of a barrel, a tank or a tube, or Their combination.
  • the mechanical device for adding the auxiliary material is at least a mechanical device with a unit capable of mixing the added auxiliary material with the rubber particles and the rubber powder, and the mechanical device for mixing the auxiliary material with the rubber particles and the rubber powder, It may be one of a bucket, a tank, a tube with agitation, or one of a bucket, a tank, a tube that the casing can rotate, or a combination thereof;
  • the mechanical device for adding the auxiliary material preferably has a sealed dustproof structure.
  • the finely divided combination device provided by the present invention may further comprise: a fine crushing unit group A, and further divided into two groups, or two groups of A, B, and C;
  • each group contains at least one unit fine crusher
  • the A, B, C fine crushing units are connected in parallel in each group, and the A group is connected with 5 ⁇ 30 mesh to be crushed and coarse silos, and the B group is connected to the A group for crushing, grading, and screening material return passages.
  • Group C is connected to Group B crushing, grading, and screening material return passage;
  • Group A, Group B or Group A, B, and C outlets can be connected in parallel, and the parallel outlets are passed through a cyclone separator or a storage bin.
  • the grading and sieving machinery are connected to the next; the outlets of groups B and C may not be connected in parallel with the outlets of group A. Their respective outlets may bypass the grading and screening machinery to reach the fine powder storage bin; the outlets of groups B and C may also be valves.
  • the passage is not only graded, screened, but also directly connected to the fine powder storage bin;
  • the finely divided combination device provided by the present invention may further comprise: a coarse powder material which is provided with a sieve which can separate the grading and sieving machine and which has not passed through a 90-200 mesh sieve, and a parallel powder which is over 250 to 350 mesh or more. Then, supply the mechanical devices of the A, B, and C crushers and then crush them.
  • the finely divided combination device provided by the present invention may further comprise: an elastic body fine crushing combination device capable of adding an auxiliary material before and after the fine crushing, and capable of stably feeding the material, and then having a more perfect setting;
  • the more perfect arrangement means after the combined device provided by the invention, a powder mixing, a granulator, a screw extruder, a calender, an open mill, etc. can be added to enable the ultrafine elastomer powder to be further One or more combination devices that are agglomerated to facilitate obtaining a fine, non-expanding elastomeric reconstituted powder; or/and a packaging machine to which the material is subsequently added;
  • the more perfect setting may also refer to: adding an automatic control device to the combined device provided by the invention, so as to facilitate the addition of the auxiliary device of the combined device, the mixing of the auxiliary agent and the rubber powder, and the opening and closing of the fine crusher. , A, B, C fine crushing unit feeding ratio adjustment and other operations to implement computerized control.
  • a powder mixing, a granulator, a screw extruder, a calender, an open mill, etc. can be added to re-agglomerate the ultrafine elastomer powder. More than one combination device.
  • the invention provides a method for arranging an elastomeric fine crushing combination device capable of adding auxiliary materials and capable of steady flow feeding, characterized in that: a, adding a machine capable of adding auxiliary materials; b, adding a fine crushing unit group; c, Adding a feed flow ratio adjusting device to the feed line; d, adding a coarse powder material that can separate the grading and sieving machine from the 90-200 mesh sieve, and a fine powder material over 250-350 mesh or more Flow, and then supply, B, C group fine crusher re-grinding machinery; e, after the combination device is added with more perfect machinery; f, set up automatic control appliances on the combined device; The settings and settings are based on the integrated combination of general-purpose and/or non-standard machinery and appliances purchased on the market.
  • the method of the present invention is characterized by: Among them, a machine for adding auxiliary materials; including but not limited to: using chain bucket elevator, cone storage tank, powder mixer, weight or / and volume measuring instrument, fan, pipe, spiral A combination of one or more unit equipments, such as a conveyor, a powder cyclone, etc.; wherein b, a finely divided unit group; is included but not limited to: More than 35 kg capacity, and a pure vulcanized rubber 5 ⁇ 30 coarse grain machine can get 40 ⁇ 120 mesh particle size range (but less than 10% over 100 mesh sieve) rubber fine grinder or / and various with more than 300 kg per hour
  • the characteristics include: using a spiral conveying particle, a powder pipe on the horizontally arranged flow blocking plate, or adopting a vertical setting Gravity conveying powder is arranged on the pipeline of the powder to form a choke plug, a flap, and the like;
  • the d the coarse powder which can be separated from the grading and sieving machine, which has not passed through the 90-200 mesh sieve, is co-current with the superfine powder which has been over 250-350 mesh, and then supplied, the B and C crusher Re-grinding machinery; including but not limited to: using powder shaker, powder cyclone, cone powder mixer, conical tank, screw conveyor, chain bucket elevator, fan, Obtained by an integrated combination of one or more unit equipments such as pipelines;
  • the machine is a commercially available powder mixer, granulator, screw extruder, calender, open mill a combination of one or more unit machines that re-agglomerate the ultrafine elastomeric powder, or/and a packaging machine;
  • an automatic control device is arranged on the combination device, at least a control device including one of the following circuits:
  • the intelligent branch circuit that optimizes the steady flow and coordinated operation of the whole set of combined devices is controlled.
  • the invention provides an elastomeric fine crushing combination device capable of adding auxiliary materials and capable of steady flow feeding, and is particularly suitable for large-scale inclusion of 5 to 95% of elastomer or/and thermoplastic polymer materials, and 95 to 5% rigidity. Mixing and pulverizing of materials, the combined device provided by the invention, the old abandoned rubber and plastic elastic for the annual output of 10,000-ton products The system powder recycling project can have good environmental and economic benefits.
  • FIG. 1 is a block diagram showing a process of finely pulverizing 5 ⁇ 30 mesh rubber particles and re-forming the masterbatch and masterbatch;
  • FIG. 2 is a schematic view showing the composition of the fine crushing device of the embodiment 1;
  • Figure 3 is a schematic view showing the composition of the finely divided assembly of Example 2.
  • Fig. 4 is a schematic view showing the composition of the smashing combination device of the third embodiment. detailed description
  • a regenerating auxiliary powder is added, and a mixture of 90-200 mesh ultrafine rubber powder masterbatch is prepared by a normal temperature fine pulverization method, and then The process of bagging is carried out by adding a compounding agent, and then preparing a masterbatch or a masterbatch mixture which is directly a compounding agent.
  • the invention combines the requirements of the process and integrates a set of elastomer gel as shown in FIG.
  • a combination device for finely pulverizing particles at room temperature and then forming a master batch characterized in that: a machine capable of adding an auxiliary material is provided before and after the fine crushing unit group, and the elastomeric rubber particles can be sealed before and after being subjected to the fine crushing process.
  • the fine crushing unit is divided into two groups, A and B, which ensures the constant feeding composition and particle size of the fine crusher, which facilitates the steady flow of the coarse rubber material; on the feeding line of the fine crushing unit group There is a feed flow ratio adjusting device; a coarse powder which can be separated from the grading and sieving machine and which has not passed through the 90-mesh sieve, is co-flowed with the superfine powder which has passed above 250 ⁇ m, and then supplied to the B group fine crusher. Row of pulverized mechanical settings; A combination device for powder granulation and packaging is added;
  • the machine for adding auxiliary materials according to the present invention is arranged by the bucket material hoist 7, the material flow guiding groove tube 48, the regeneration auxiliary group powder silo before the fine crushing unit equipment.
  • the unit fine crusher represented by 15, 16, 17 is composed of group A, and the unit crusher represented by 18, 19, 20, 21 is composed of group B, and the unit is finely divided into 7 units; or by:
  • the unit fine crusher represented by 15, 16, 17, 18, 19, 20 is composed of group A, and the unit of fine crusher represented by 21 is composed of group B, and the unit is finely divided into 7 units;
  • a feed flow ratio adjusting device on the feed line of the fine crushing unit group which can be used by the screw conveying device 10 and the valves 11, 12, 13, 14 provided thereon.
  • the invention relates to a coarse powder which is provided with a 90-mesh sieve which can separate the grading and sieving machine, and a parallel powder which is over 250 ⁇ mesh, and then is supplied to the B group fine crusher.
  • the mechanical arrangement of the pulverization as shown in Fig. 2, can be carried out by a sieving machine 31 (in which two upper and lower screens are used, a 90-mesh sieve for the upper layer and a 250-mesh sieve for the lower layer), and a coarse powder of 90-mesh sieve.
  • the combined device for powder granulation and packaging according to the present invention may be a screw granulator 35, a cyclone cooling cooler 38, a wind conveying pipe 39, a masterbatch finished product collecting bin. 37.
  • the automatic bagging machine 36, the bag sewing machine 40, and the belt conveyor 41 are composed.
  • the fine powder outlets are oriented to the control valves 43, 44, 45, 46, 47, which can be used to select the powder from the group B fine crusher to pass through the sieve line, or to select the pipeline that goes straight into the fine powder finished product warehouse;
  • the wind power ducts 32, the cyclone separators 23, allow the 90-minute powders sifted out of the screen to be collected into the pulverized material to be re-dispensed.
  • the present invention further combines the process requirements, and further integrates another set of elastomeric rubber particles as shown in FIG. 3, which is firstly tempered at room temperature and then made into a masterbatch powder mixture.
  • the combination device is characterized in that: a machine capable of adding auxiliary materials is arranged before and after the fine crushing unit group, and the elastic rubber particles can be added with auxiliary materials in a closed working condition before and after the fine crushing process; the fine crushing unit group can be divided into A, B two groups, or eight, B, C three groups, or eight, B, C, D four groups, to ensure that the fine crusher feed components, particle size is constant, to facilitate the steady flow of coarse rubber material into the machine; There is a feed flow ratio adjusting device on the feed line of the group; there is a coarse powder that can be separated from the grading and sieving machine by 90° or 150 ⁇ or 200 ⁇ mesh, and over 250 ⁇ 350 mesh. The fine powder is co-flowed, and then supplied to the mechanical setting of the CD and
  • the machine for adding auxiliary materials according to the present invention is arranged by the bucket material hoist 7, the material flow guide groove tube 60, the regeneration auxiliary group powder silo before the fine crushing unit equipment. 15, 16, 5 ⁇ 30 mesh elastomeric pellets silo 17, weighing scales 18, batching mixing chambers 19, 20; After the unit equipment, it is set up by the bucket material hoist 8, the material flows to the channel tube 72, the compounding material silo 34, 35, 90 ⁇ or 150 ⁇ or 200 ⁇ mesh elastomer powder silo 36, a weight balancer 37, consisting of batch mixing chambers 38, 39;
  • the fine crushing unit group of the present invention is composed of:
  • the unit fine crusher represented by 21, 22, 23, 24, 25, 26, 27, 28 is composed of group A, and the unit crusher represented by 29 is composed of group B, total unit fine crusher 9 units; or by:
  • the unit crusher represented by 21, 22, 23, 24 constitutes group A,
  • the unit crusher represented by 25, 26, 27, 28 is composed of group B,
  • unit crusher represented by 29 is composed of Group C, totaling 9 units of fine crusher; or by:
  • the unit crusher represented by 21, 22, 23 constitutes group A,
  • the unit crusher represented by 24, 25, 26 is composed of group B,
  • the unit fine crusher represented by 29 is composed of group D, and the total unit is 9 fine crushers;
  • the change of the splitting of the fine crushing unit is realized by the closing operation of the valves 52, 53, 54, 55, 56, 57, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71. ;
  • the feed flow ratio adjusting device on the feed line of the fine crushing unit of the present invention may be provided by the screw conveying device 58 and the valves 52, 53, 54, 55 provided thereon. 56, 57;
  • They may be composed of a sieving machine 30 (in which two upper and lower screens are used, the upper layer is made of 90 ⁇ , or 150 ⁇ , or 200 ⁇ mesh screen, and the lower layer is made of 250 ⁇ or finer sieve), and the coarse powder of the upper layer is not sieved. , a superfine powder parallel flow tube 51, a cyclone separator 1, a coarse and fine powder mixing chamber 9, a screw conveying device 58 and valves 57, 56, 55 provided thereon;
  • They may be composed of a sieving machine 31 (in which two upper and lower screens are used, the upper layer is made of 90 ⁇ , or 150 ⁇ , or 200 ⁇ mesh sieves, and the lower layer is made of 250 ⁇ or finer sieves), and the coarse powder of the upper layer is not sieved. , the superfine powder parallel flow tube 50, the cyclone separator 2, the coarse and fine powder mixing chamber 10, the screw conveying device 58 and the valves 54, 53 and 52 provided thereon;
  • They may be composed of a sieving machine 32 (in which two upper and lower screens are used, the upper layer is sieved with 90 ⁇ , or 150 ⁇ , or 200 ⁇ mesh, and the lower layer is sieved with 250 ⁇ or finer mesh), and the coarse powder of the upper layer is not sieved.
  • a sieving machine 32 in which two upper and lower screens are used, the upper layer is sieved with 90 ⁇ , or 150 ⁇ , or 200 ⁇ mesh, and the lower layer is sieved with 250 ⁇ or finer mesh
  • the coarse powder of the upper layer is not sieved.
  • the lower layer a fine mesh parallel flow material parallel flow tube 49, a cyclone separator 3, a coarse and fine powder mixing chamber 11, a screw conveying device 58 and a valve 52 disposed thereon;
  • the combination device provided with the package according to the present invention may be composed of a master batch product collection bin 42, an automatic bag filling machine 43, a bag sewing machine 40, and a belt conveyor 41.
  • the piping of the finished product warehouse is to make the powder from the A, B, CD group fine crusher to choose the prescribed sieve line, or choose to go straight into the fine powder
  • the combined fine crushing unit group is suitable for treating the material of the elastomer and the plastic content of 95 to 60% in the mixture material. Fine pulverization; If a normal temperature stone fine pulverizer is used, the combined fine crushing unit group is more suitable for the fine pulverization of the elastomer and plastic content in the mixture of 30 to 5%.
  • a powder mixture containing an elastomer and a plastic having a desired fineness can be prepared by setting two layers of different meshes in the screening machine.
  • the screen is easily available.
  • the present invention further combines the process requirements, and further integrates another set of elastomeric rubber particles as shown in FIG. 4, which is firstly tempered at room temperature, and then added with auxiliary materials.
  • a combination device of powder and auxiliary mixed masterbatch characterized in that: auxiliary materials can be added before and after the fine crushing unit groups 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19
  • the mechanical, elastomeric rubber particles can be added in the closed condition before and after the process of finely crushing; the fine crushing unit group only has the A-group; the fine powder collected by the dust collectors 28, 29 and the vibrating screen 42 are separated.
  • the over-fine powder is collected by the collecting bucket 45, sent to the storage bin 4 of the batching section by the conveyor 44, and then the small amount of the recycled material is matched with the new material in proportion, thereby ensuring the fine crusher feeding component.
  • the particle size is basically constant, which facilitates the steady flow of the coarse rubber material into the machine; the coarse powder material which can be separated from the grading and screening machine and not passed through 90 ⁇ or 150 ⁇ or 200 ⁇ mesh sieve, and 250 ⁇ 350
  • the fine powder above the head is co-current, and then the ingredients are supplied to the batching section for further mixing and pulverization.
  • the machine for adding the auxiliary material according to the present invention is before the grouping device of the fine crusher 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Disintegrating Or Milling (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Processing Of Solid Wastes (AREA)
  • Combined Means For Separation Of Solids (AREA)

Abstract

Selon l'invention, un équipement combiné de concassage fin d'élastomère comprend les groupes de concassage fin et le dispositif de chargement. Le dispositif de chargement est disposé à l'avant et/ou à l'arrière des groupes de concassage fin. Il peut charger le matériau auxiliaire avant et/ou après concassage fin et acheminer le matériau de manière stable. Les groupes de concassage fin sont constitués de deux groupes A, B ou de trois groupes A, B, C. L'équipement combiné de concassage fin d'élastomère comprend l'élément suivant ou la combinaison des éléments suivants: a) la machine d'ajout d'accessoires; b) les concasseurs fins disposés en différents groupes; c) le dispositif de réglage du débit d'alimentation; d) la machine de réintroduction, la machine de réintroduction pouvant combiner les poudres brutes qui sont criblées à partir de la machine de criblage et de classification avec les poudres très fines, et acheminer les poudres du dispositif de concassage fin du groupe A ou B ou C; e) l'autre machine d'évacuation disposée derrière l'équipement combiné; f) le contrôleur électrique automatisé disposé dans l'équipement combiné. L'ensemble de l'installation supplémentaire adoptée pour la combinaison intégrée est une machine générale courante et non standard et utilisant l'électricité du réseau.
PCT/CN2008/000558 2007-03-23 2008-03-21 Équipement combiné de concassage fin d'élastomère et procédé de conception WO2008116382A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2681555 CA2681555A1 (fr) 2007-03-23 2008-03-21 Equipement combine de concassage fin d'elastomere et procede de conception

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200710091242.6 2007-03-23
CN200710091242 2007-03-23

Publications (1)

Publication Number Publication Date
WO2008116382A1 true WO2008116382A1 (fr) 2008-10-02

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Application Number Title Priority Date Filing Date
PCT/CN2008/000558 WO2008116382A1 (fr) 2007-03-23 2008-03-21 Équipement combiné de concassage fin d'élastomère et procédé de conception

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CN (1) CN101269529B (fr)
CA (1) CA2681555A1 (fr)
WO (1) WO2008116382A1 (fr)

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* Cited by examiner, † Cited by third party
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CN112517915A (zh) * 2020-11-18 2021-03-19 广东先导稀材股份有限公司 一种金属锑/铋粉末的制备方法及系统
CN113713683A (zh) * 2021-08-24 2021-11-30 桐乡磊石微粉有限公司 一种粉体混合输送设备及其输送方法

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