CN201313358Y - Crusher of foam plastic environmental-protection recycling granulating machine set - Google Patents
Crusher of foam plastic environmental-protection recycling granulating machine set Download PDFInfo
- Publication number
- CN201313358Y CN201313358Y CNU200820170927XU CN200820170927U CN201313358Y CN 201313358 Y CN201313358 Y CN 201313358Y CN U200820170927X U CNU200820170927X U CN U200820170927XU CN 200820170927 U CN200820170927 U CN 200820170927U CN 201313358 Y CN201313358 Y CN 201313358Y
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- plate
- charging
- pulverizer
- cylinder
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- 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
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
-
- 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
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- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The utility model relates to a crusher of a foam plastic environmental-protection recycling granulating machine set. The characteristics of the crusher are as follows: the crusher is provided with a charging machine body, a crushing roller, a screen mesh plate and an air-collecting type discharging bucket; a cover plate is arranged on the charging main body, the crushing roller is arranged in the charging main body, the screen mesh plate is arranged under the crushing roller, and the air-collecting type discharging bucket is connected with the charging main body; the crushing roller comprises a roller, movable blades and fixed blades; the movable blades are arranged on the roller, the fixed blades are matched with the movable blades, the movable blades which are right-angle trapezoidal steel plates are straightly arrayed and wound around the roller in a quartering manner, and the fixed blades are fixed on a middle main body in a two-row manner; the charging main body is composed of an upper main body and the middle main body, the edge of the upper main body is folded, the middle main body is connected under the upper main body, a material baffle is obliquely arranged in the upper main body, and the middle main body is articulated with the air-collecting type discharging bucket. By adopting a closed recycling feeding system, the crusher improves environmental-protection recycling efficiency, saves losses of energy resources, and reduces secondary pollution of recycling.
Description
Technical field
The utility model relates to a kind of plastic processing machinery, relates in particular to a kind of pulverizer of foamed plastics regeneration and granulation machinery equipment.
Background technology
Polystyrene foamed plastics (EPS) is widely used in each production field such as industry, agricultural and civilian and the life, and it has a large capacity and a wide range, and the recyclable amount of the used foamed plastics after using is also very huge.But being recovered in the open relatively environment of the foamed plastics of prior art, production efficiency is low, the production cost height, and also environmental pollution is very serious in process of production, and operator's work situation is abominable.
Summary of the invention
The utility model mainly is to solve the existing in prior technology deficiency, thereby develops a kind of employing closed circulation feeding system, the pulverizer of the plastic foam environment friendly recycling prilling group of the secondary pollution that energy savings loss and minimizing are reclaimed.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of pulverizer of plastic foam environment friendly recycling prilling group; it is characterized in that: the charging main body that is provided with cover plate above having; be installed in the pulverizing cylinder in the charging main body; be installed in the sieve plate of pulverizing below the cylinder; the wind collection formula discharge bucket that links to each other with the charging main body, wind collection formula discharge bucket is fixed on the carriage of body.
The technical solution of the utility model can be further perfect,
As preferably, described pulverizing cylinder comprises cylinder, the ledger-plate that is installed in the cutting blade on the cylinder and matches with cutting blade; Described cutting blade is the right-angled trapezium steel plate, and array is installed around the roll circumference quartering; Described ledger-plate is the right-angled trapezium steel plate, divides two rows to be fixed on the intermediate host.
As preferably, the charging main body is by forming through the last main body of flanging and the intermediate host that is connected below the main body; Described going up in the main body is provided with tilting striker plate; Described intermediate host and wind collection formula discharge bucket are hinged.
As preferably, the flanging place of the upper end of striker plate and last main body joins, and the lower end is a little more than the moving knife alignment of shafts.
As preferably, described sieve plate leans on ledger-plate above mutually for the arc that the radian with cylinder adapts, and links to each other with the carriage that supports wind collection formula discharge bucket below.
As preferably, the cross sectional shape of described wind collection formula discharge bucket is an isosceles trapezoid, and the angle of two hypotenuses is 90 °-120 °.
The beneficial effects of the utility model are:
The utility model has done to strengthen design according to the work characteristics of foamed plastics pulverizing and whole production line to charging aperture, and convenient bulky foamed material enters to pulverize and processes; The application of striker plate has formed the secondary comminuting space, prevents that material from flying out.The distribution of cutting blade and ledger-plate is evenly distributed pulverizing strength, reduces and impacts and the mechanics concentration phenomenon, improves the complete machine performance; The design of sieve plate and wind collection formula hopper makes a certain size foam enter wind collection formula hopper after crushed, is delivered to main frame through blower fan and extrudes processing.Wind collection formula hopper makes the collection after foamed plastics is pulverized realize automation, has improved recovery processing environment in the past.
To sum up, the utility model adopts the closed circulation feeding system, improve environmental friendly regenerated utilization ratio, reduce cost recovery, the secondary pollution that energy savings loss and minimizing are reclaimed, solve that the foamed plastics organic efficiency is low for many years, reclaim and add the technology complicated situation, improve the recovery plant environment and then improve the production security of recovery plant.
Description of drawings
Accompanying drawing 1 is a kind of outline drawing of the present utility model;
Accompanying drawing 2 is pulverizer front views of Fig. 1;
Accompanying drawing 3 is side views of Fig. 2;
Accompanying drawing 4 is conveyance conduit front views of Fig. 1;
Accompanying drawing 5 is side views of Fig. 4;
Accompanying drawing 6 is head tank vertical views;
Accompanying drawing 7 is main frame front views of Fig. 1;
Accompanying drawing 8 is K portion enlarged drawings of Fig. 7;
Accompanying drawing 9 is reclaiming plate structural representations;
Accompanying drawing 10 is side cut away view of Fig. 9.
The specific embodiment
Below by embodiment also in conjunction with the accompanying drawings, the technical solution of the utility model is further described in detail.
Embodiment:
Plastic foam environment friendly recycling prilling group as shown in Figure 1, by material loading conveyer A, the special-purpose pulverizer B of foamed plastics, material loading blower fan and conveyance conduit C, main frame D, tank E, pelleter F, storage vat and weighing-appliance G form.
The material loading conveyer
The whole conveying mechanisms of composition such as motor that comprise traction wheel, follower, conveyer belt, angle type block rubber and band decelerator.And the main body framework of conveyer and conveyer belt widened increase design, specially at carrying foamed plastics.Also dispose metal detector according to actual instructions for use.
Pulverizer
As Fig. 2, the special-purpose pulverizer of foamed plastics shown in Figure 3; the charging main body forms 2 by last main body 1 and the intermediate host that is connected below the main body; last main body is connected by bolt 8 with intermediate host; last main functions is to provide passage for foamed plastics enters following crushed zone; in crushing process, provide protection that it can not flown out to foamed plastics, be used for being connected with conveyer belt.Last main body adopt behind 4 ~ 8mm steel plate flanging with the side panel weldering by moulding, below flanging make flange and adopt bolts 8 to assemble with intermediate host 2.Be provided with cover plate above the last main body, fall into hard thing in preventing to safeguard and damage Disintegrating knife.Be provided with striker plate 6 in the last main body, striker plate adopts the steel plate of 6-12mm, on connect the flanging place of main body 1, lower end and cutting blade 3 remain on the gap of 5-12mm, the inclined installation, end does not exceed the moving knife alignment of shafts.Guarantee under the good pulverizing passage situation as far as possible with the center more closely.In the course of work of pulverizer, prevent flying out of comminuting matter, in particular cases enter the lump metal of pulverizer, internal baffle can be blocked, and avoids producing personal injury etc.The use of baffle plate makes inner chamber form the secondary operating room; Once pulverize the material of not crossing screen cloth 11 in the use and can enter the secondary pulverizing better, improve crush efficiency.Intermediate host 4 is hinged by hinge 10 with wind collection formula discharge bucket 12.Hinge is altogether two pairs, is installed on the both sides of wind collection formula hopper 12 and intermediate host 4 respectively.Be used to make things convenient for the maintenance of opening of wind collection formula hopper, change screen cloth.Wind collection formula hopper adopts 4-8mm steel plate welding fabrication, and last interface cooperates with intermediate host 4, cooperates 24 with the discharging airduct down, and the centre is provided with carriage 23 and supports.Be to add high wind collection formula hopper on the one hand, in addition also as the usefulness of the support of sieve plate 11.The cross section of wind collection formula hopper becomes isosceles trapezoid, 90 °-120 ° of the angles of two hypotenuses.The material that should have enough spaces to make out between wind collection formula hopper 12 and the web plate 11 falls into and enters smoothly conveyance conduit 24.Wind collection formula hopper adopts hinge 10 to cooperate with intermediate host.Be installed in below the intermediate host, can be easy to open cleaning and change inner sieve plate.Front bevel at wind collection formula hopper is equipped with the fluoroscopic observation window.Can make operating personnel in time understand the situation that foam is pulverized blanking.In time fix a breakdown.
In the charging main body, install and pulverize cylinder 2, pulverize on the cylinder cutting blade 3 is installed, drive the blade rotation and do crushed work.Cylindrical shell adopts 6 ~ 8mm steel plate to be rolled into cylinder, two ends are done to support with 10 ~ 16mm round plate and are adopted weldering by moulding, the gripper shoe at two ends and main shaft 7 are joined work, the moment of rotating is provided by main shaft, cutting blade 3 thickness 12 to 6mm right angle ladder type steel plates, the in upright arrangement installation around circle divided four groups of five equilibriums, and the lengthwise position of two groups of adjacent blades staggers, pulverize internal stress to reduce, balancing main shaft rotates the eccentric force of the time difference.The width of cutting blade 3 is 35 ~ 65mm, highly is 45 ~ 100mm, concrete size according to the mill type size and pulverize the foamed plastics volume and density is decided.The shape of ledger-plate 9 is similar to cutting blade to thickness, divides two rows to be fixed on the intermediate host 4.Radian is installed below pulverizing cylinder 2 and pulverizes the sieve bend web plate 11 that cylinder adapts, sieve plate adopts 6-16mm steel plate, and evenly distribution diameter 10mm-50mm sieve aperture is rolled into circular-arc then.Effect is the material that size after pulverizing meets to be fallen into wind collection formula hopper by web plate carry, and prevents that excessive irregular pulverizing material from entering the wind aggregate bin, stops up conveyance conduit transmission is interrupted.By ledger-plate, following to carriage 23 supports, carriage 23 links to each other with frame 25 on the sieve plate 11.
The main shaft 7 of pulverizing cylinder 2 adopts No. 45 steel, and the transmission fulcrum of rotating shaft is by two ball bearings 19, and bearing is installed in the bearing block 18, belt pulley 15 and flying wheel 20 are installed in the bearing outside, spindle nose has lock nut 16, main tapping cover clamp 17, and there is belt housing 14 outside.Pulverize cylinder 4 and pass through the belt transferring power by motor 13.
Conveyance conduit
Conveyance conduit comprises tangential blanking device, head tank and is positioned at the agitator of head tank.
(1) foamed plastics after crushed is transported to tangential blanking device 101 by pipeline 24 through the material loading blower fan, carries out primary air and feed separation, and air pressure is descended, and material follows little air to fall into head tank 122.The main body of tangential blanking device 101 becomes cylindric, and the top is equipped with charging airduct 124, and there is the airduct 123 of separation the centre, and the blanking observation window is arranged below, and the bottom is connected with main bung 113 with flange.The charging airduct is according to blower fan and conveying capacity intended diameter size, separation airduct 120 is one and runs through tangential blanking device, off-centre cylinder, have 1/3 hole just down to counter clockwise direction at charging airduct root, the air of separating is discharged from this aperture of middle separator tube, the thing gas mixture that is entered by the charging airduct enters tangential blanking device step-down, rotation separates around separator wall portion, and air is discharged from 1/3 opening part of intervalve, and material and part air enter head tank 122 main bodys.
(2) head tank 122 is cubes of a hexagon shape, is provided with staving lid 107, in order to reducing motor 102 to be installed, and tangential blanking device 101 and access panel 116, shown in Figure 6 113 is mounting flanges of tangential blanking device, the 114th, the reducing motor installing hole.Clamp with quick chuck 108 between staving lid 107 and the staving, staving becomes hexagon, top seal, and the middle gas-permeable nets 109 of installing, the bottom is a bullet, flange 106 is equipped with in the bottom, is connected with main frame.Staving is provided with staving support frame 110, and the bottom is provided with staving underframe 111, and the staving bottom is provided with observation window 112, is used in time understanding the charging situation.It is ventilative that gas-permeable nets 109 is used for backgauge, the air of trace sees through web plate and is discharged to the outside, material from tangential blanking device falls in the bucket under the gravity effect, adopt the stainless steel wire braiding to form general 60 ~ 100 orders of selecting of density of gas-permeable nets, frame is made with corrosion resistant plate in four limits of net sheet, two-sided clamping net sheet.Ladle body standard polygon distributes, so each net sheet is big or small identical, interchangeability is strong, and gas-permeable nets 109 is installed in the staving support frame 110, with the precious screw 117 of circle gas-permeable nets is locked with compressing loose piece.Adopt sealing strip to compress with the framework matching part, the material that the prevents particulate loss that environment and processing materials are reclaimed in influence of running out.
(3) central shaft 105 that stirs usefulness is installed in the head tank, mixes bar 104 on the central shaft and help in the bucket material to enter main frame to push at a high speed.Central shaft 105 is used for installing mixes bar, transmission torque, flange at the bottom of top is connected following barrel with coupling bar with the reductor spindle nose, the middle installation mixed bar, adopts composite structure, the solid round steel of head, middle with wall thickness 3 ~ 8mm steel pipe, to reduce weight, external diameter is generally between 35 ~ 60mm.Mix bar and be used for material in the bucket is stirred, help material to enter main frame smoothly and extrude, adopt diameter 10 ~ 25mm round steel bar, be dislocatedly distributed around central shaft 120 degree, two poles are determined apart from pressing POF up and down.
Main frame
Once parts are extruded in compression
Shown in Fig. 7,8, the material by head tank 122 gets off by agitator enters the charging aperture flange 234 that parts are extruded in once compression by head tank outlet(discharge) flange 106, is provided with a flashboard, the material amount that enters main frame with control in the middle of two flanges.Once the main extruding screw 235 that parts have main frame main shaft 229 and fuse with the main frame main shaft is extruded in compression.Extruding screw and main shaft rotate synchronously.The afterbody of main frame main shaft is equipped with bearing 227, and bearing is installed on the bearing block 226, and bearing cap 228 is arranged above the bearing block; The other end of main frame main shaft also is equipped with another to bearing 231 and 233, and bearing 231 is used to bear the axial force when extrusion spiral is worked on main shaft and the axle, adopts conical bearing; Bearing 233 is used to bear main shaft and rotates the footpath internal force that produces, and adopts double high-speed bearing 6300 series of zanjon heavy duty, is installed in the bearing block 232.Main-axis end is equipped with belt pulley 213, links to each other with motor output shaft by belt 214, in the belt pulley outside belt housing 212 is housed.The spiral groove depth of main extruding screw 235 is 1/3rd of a diameter dimension, pitch is 0.75～1 times of diameter dimension, spiral adopts 4～10mm steel plate to calculate required circular plate by screw diameter and pitch dimension, good down circular plate is cut by radius, the circular plate head and the tail of desired several incisions are connected with welding method, be inserted in the main shaft front and fixed the after-drawing moulding, spiral root and main shaft after the moulding weld comprehensively; The leading section of screw rod 235 is a head symmetry extrusion spiral 247, establishes 1/4th spiral coils, and rotation direction is identical with main spiral, material is the same with main spiral with helix parameter, play the balance extruding force, prevent stressed assymmetrical deformation of main shaft and abundant plastifying material, discharge the bubble function.In main extruding screw 235 outsides major ingredient tube 245,246th is housed, major ingredient tube charging aperture, the fit clearance between extruding screw and the main frame barrel is between the 1.5-2.5mm.In main frame barrel 245 outer ends away from bearing, the main frame barrel is installed supports 238, the big 2～3mm of interior boring ratio barrel that gripper shoe cooperates with barrel supports and adopts barrel center, 3 screws adjusting location up and down, and barrel and gap between screw are evenly distributed.Gripper shoe adopts 45# steel machined into, and footing is connected with mainframe, and main frame barrel forward flange 239 is housed in the front portion of barrel, is used to install reclaiming plate 241, and fixing with 6 bolts 240 between barrel and the reclaiming plate, 237 is the barrel outer cover.
As Fig. 9, shown in Figure 10.Step cooperated the location with flange 239 in reclaiming plate was provided with.Reclaiming plate 241 is used for entering into handset to independently extruding the melting materials capable that spiral 235 extrudes through reclaiming plate.Establish tapering inclined-plane 243 in the reclaiming plate 241, make material to intermediate flow, a plurality of apertures are beaten in the front of plate, and the equilateral triangle pushed down distributes, and make the material after the fusing enter down machine by flowing out footpath 30～40mm protection step 242 in the hole.The distribute purpose of a plurality of discharge openings of del is in order to make melting charge better reach venting bubble effect, to increase material and the air contact-making surface of coming out, and reclaiming plate adopts 45# steel material, bores after the machined into to beat discharge opening and weld and protect step.Fixing between major ingredient drum flange 239 and the reclaiming plate 241 with 6 bolts 240.
Second-compressed is extruded parts
Extrude the plastifying material that parts extrude by compression once and enter handset charging aperture 217.Second-compressed is extruded parts handset screw rod 218, and there is barrel the screw rod outside, and handset screw rod 218 links to each other with decelerator 216, belt pulley 215 is housed by motor-driven on the decelerator 216.The sub-extruding screw draw ratio that second-compressed is extruded in the parts is designed to (the conventional 1:10 of being) between the 1:7 to 1:8; Barrel adopts 38CrMoA1 materials processing with nitrogen treatment, and barrel is installed electric heater, temperature measurer equitemperature control appliance outward.The handset screw cylinder 244 outer barrels that are provided with support 219, and the barrel front end is equipped with the barrel mounting flange; The rear end die head here be provided with support with barrel mounting flange and the cooperation of reductor flange after become 2 fulcrums.Support and adopt 12～20mm steel plate machined into.
Above-mentioned main frame is installed on the bearing.
Tank
Tank includes cell body and absorption fan for water.The moisture of billot through the cooling rear surface by cell body is dried up by absorption fan for water, prevent that moisture from entering pelleter.
Stock-cutter
Be used for the billot behind the cool drying is cut into the particle of instructions for use, also billot drawn simultaneously, play traction and cutting dual-use function.Adopt stepless speed regulation to satisfy various foam recovery and produce needs.
Claims (6)
1, a kind of pulverizer of plastic foam environment friendly recycling prilling group; it is characterized in that: the charging main body that is provided with cover plate above having; be installed in the pulverizing cylinder in the charging main body; be installed in the sieve plate of pulverizing below the cylinder (11); the wind collection formula discharge bucket (12) that links to each other with the charging main body, wind collection formula discharge bucket is fixed on the carriage (23) of body.
2, the pulverizer of plastic foam environment friendly recycling prilling group according to claim 1 is characterized in that: pulverize cylinder and comprise cylinder (2), the ledger-plate (9) that is installed in the cutting blade (3) on the cylinder and matches with cutting blade; Described cutting blade (3) is the right-angled trapezium steel plate, and array is installed around the roll circumference quartering; Described ledger-plate (9) is the right-angled trapezium steel plate, divides two rows to be fixed on the intermediate host (4).
3, the pulverizer of plastic foam environment friendly recycling prilling group according to claim 1 and 2 is characterized in that: the charging main body is by forming through the last main body (1) of flanging and the intermediate host (4) that is connected below the main body; Described going up in the main body is provided with tilting striker plate (6); Described intermediate host (4) is hinged with wind collection formula discharge bucket (12).
4, the pulverizer of plastic foam environment friendly recycling prilling group according to claim 1 and 2 is characterized in that: the upper end of striker plate (6) and the flanging place of last main body join, and the lower end is a little more than the moving knife alignment of shafts.
5, the pulverizer of plastic foam environment friendly recycling prilling group according to claim 1 and 2; it is characterized in that: the arc that sieve plate (11) adapts for the radian with cylinder (2); lean on mutually with ledger-plate (9) above, link to each other with the carriage (23) that supports wind collection formula discharge bucket below.
6, the pulverizer of plastic foam environment friendly recycling prilling group according to claim 1 and 2 is characterized in that: the cross sectional shape of wind collection formula discharge bucket (12) is an isosceles trapezoid, and the angle of two hypotenuses is 90 °-120 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820170927XU CN201313358Y (en) | 2008-12-24 | 2008-12-24 | Crusher of foam plastic environmental-protection recycling granulating machine set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820170927XU CN201313358Y (en) | 2008-12-24 | 2008-12-24 | Crusher of foam plastic environmental-protection recycling granulating machine set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201313358Y true CN201313358Y (en) | 2009-09-23 |
Family
ID=41125146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820170927XU Expired - Fee Related CN201313358Y (en) | 2008-12-24 | 2008-12-24 | Crusher of foam plastic environmental-protection recycling granulating machine set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201313358Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102423726A (en) * | 2011-10-28 | 2012-04-25 | 天津百利阳光环保设备有限公司 | Rotary shearing fine crusher |
| CN102861644A (en) * | 2012-09-22 | 2013-01-09 | 芜湖奥宇机电有限公司 | Crushing machine |
| CN104290217A (en) * | 2013-07-18 | 2015-01-21 | 杨钟 | Waste polyester polyurethane sole recycling method |
| CN105312131A (en) * | 2014-06-25 | 2016-02-10 | 安徽扬子化工有限公司 | Industrial-use energy-saving high-speed pulverizer |
-
2008
- 2008-12-24 CN CNU200820170927XU patent/CN201313358Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102423726A (en) * | 2011-10-28 | 2012-04-25 | 天津百利阳光环保设备有限公司 | Rotary shearing fine crusher |
| CN102861644A (en) * | 2012-09-22 | 2013-01-09 | 芜湖奥宇机电有限公司 | Crushing machine |
| CN104290217A (en) * | 2013-07-18 | 2015-01-21 | 杨钟 | Waste polyester polyurethane sole recycling method |
| CN105312131A (en) * | 2014-06-25 | 2016-02-10 | 安徽扬子化工有限公司 | Industrial-use energy-saving high-speed pulverizer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090923 Termination date: 20141224 |
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| EXPY | Termination of patent right or utility model |