CN113070145A - Fine rubber powder production line - Google Patents
Fine rubber powder production line Download PDFInfo
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- CN113070145A CN113070145A CN202110331440.5A CN202110331440A CN113070145A CN 113070145 A CN113070145 A CN 113070145A CN 202110331440 A CN202110331440 A CN 202110331440A CN 113070145 A CN113070145 A CN 113070145A
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- rubber powder
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- rubber
- bin
- grinding
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- 239000000843 powder Substances 0.000 title claims abstract description 158
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 53
- 238000000227 grinding Methods 0.000 claims abstract description 34
- 238000007885 magnetic separation Methods 0.000 claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000005520 cutting process Methods 0.000 claims abstract description 10
- 238000007873 sieving Methods 0.000 claims abstract description 8
- 230000000903 blocking effect Effects 0.000 claims abstract description 6
- 239000006148 magnetic separator Substances 0.000 claims abstract description 4
- 239000002245 particle Substances 0.000 claims abstract description 4
- 238000009826 distribution Methods 0.000 claims abstract description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 55
- 239000011575 calcium Substances 0.000 claims description 55
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 49
- 239000000428 dust Substances 0.000 claims description 35
- 235000013312 flour Nutrition 0.000 claims description 23
- 238000012216 screening Methods 0.000 claims description 21
- 230000009471 action Effects 0.000 claims description 14
- 238000005303 weighing Methods 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000000354 decomposition reaction Methods 0.000 claims description 8
- 238000004806 packaging method and process Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000009700 powder processing Methods 0.000 claims description 2
- 210000002268 wool Anatomy 0.000 claims description 2
- 239000010920 waste tyre Substances 0.000 abstract description 5
- 239000011324 bead Substances 0.000 abstract description 3
- 238000010009 beating Methods 0.000 abstract 1
- 238000013461 design Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000010008 shearing Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/02—Feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/04—Codes relating to disintegrating devices adapted for specific materials for used tyres
Abstract
The invention relates to a fine rubber powder production line, which decomposes a tire into a tire top, a tire side and a tire bead in a block beating area; cutting the tire top and the tire side into blocks in a blocking area and then feeding the blocks into a rubber breaking area; crushing the rubber blocks into rubber powder and steel wires in the rubber crushing area, and enabling the rubber powder and the steel wires in accordance with the mesh number to enter a magnetic separation area; separating and collecting steel wires in the rubber powder in a magnetic separation zone through a magnetic separator set, and conveying the rubber powder to a rubber powder bin; the rubber powder after magnetic separation is sent into a closed sieving machine for sieving, the rubber powder meeting the mesh requirement is sent into a collecting area, and the rubber powder not meeting the specification is sent into a grinding area for grinding; in the grinding area, the rubber material is fed into a grinding mill after being subjected to material distribution and spiral grinding to be ground into rubber powder with smaller particle size, the rubber powder meeting the requirement of the mesh number is sent to a collector to be packed, and the rubber powder not meeting the requirement of the mesh number is sent back to the grinding mill to be crushed again; finally, the rubber powder is packed in a collecting area and is transported in a fine rubber powder finished product area. The invention has strong cooperativity of a plurality of procedures from waste tires to fine rubber powder, does not interfere with each other, and has high production efficiency and low production cost.
Description
Technical Field
The invention relates to a fine rubber powder production line. Belongs to the technical field of mechanical equipment.
Background
The production process flow of the fine rubber powder comprises the following steps:
the method comprises the following steps of tire decomposition, cutting, rubber breaking, magnetic separation, screening, grinding, collection and packaging, wherein many processes of the existing fine rubber powder production line are independent from one another and cannot be operated continuously; meanwhile, the existing fine rubber powder production line is unreasonable in arrangement (for example, the former process and the latter process interfere with each other); the dust collecting cover of the rubber breaking and magnetic separation process is not used for collecting dust points, and the structure of the dust collecting cover is unreasonable, so that the equipment is inconvenient to overhaul; in the gel breaking procedure, the calcium powder bin added has the problems of arching and incapability of quantitative conveying; in the polishing step, there is a problem of high power consumption.
Disclosure of Invention
The invention aims to overcome the defects and provide a fine rubber powder production line.
The purpose of the invention is realized as follows:
a fine rubber powder production line is characterized in that: according to the advancing direction of the rubber powder, the rubber powder processing device comprises a blocking area, a stacking area, a broken filament stacking area, a mouth ring stacking area, a rubber breaking area, a magnetic separation area, a screening area, a grinding area, a collecting area and a fine rubber powder finished product area;
the method comprises the following steps:
s1, tire decomposition:
the tire decomposition is carried out in the block forming area, and the tire top, the tire side and the opening ring which are decomposed into the tire are sent to the stacking area; after the mouth ring is separated by a steel wire stripping machine, the steel wire ring is recycled, packed and sent to a wool yarn stacking area, and the mouth ring rubber material is sent to a mouth ring stacking area;
s2, cutting into blocks:
the cutting is carried out in the block breaking area, and the tire top and the tire side after the tire decomposition enter the rubber breaking area after being cut into blocks by a tire crusher;
s3, gel breaking:
the rubber breaking is carried out in a rubber breaking area, a rubber block is broken into rubber powder and steel wires by a shredder, the rubber powder and the steel wires are sent to a sieve bed for sieving, the rubber powder meeting the requirement of the specification mesh number is sieved, and the rubber powder not meeting the specification enters the shredder again for breaking so as to reach the specified mesh number; the mixture of the rubber powder and the steel wire enters a magnetic separation area;
s4, magnetic separation:
magnetic separation is carried out in a magnetic separation area, and the mixture of rubber powder and steel wires is separated and collected by a magnetic separator unit for multiple magnetic absorption; conveying the rubber powder to a rubber powder bin in a spiral mode, wherein dust is generated in the process; the dust is collected by a dust hood, and the collected dust can be used as a product;
s5, screening:
screening is carried out in a screening area, the magnetically-separated materials are conveyed to a closed screening machine through a closed conveyor for screening, rubber powder meeting the requirement of the mesh is conveyed to a collecting area, and rubber powder not meeting the specification is conveyed to a grinding area through a spiral conveyor for further grinding;
s6, grinding:
the grinding is carried out in a grinding zone:
after being screened by the screening area, the rubber materials which do not meet the specification enter a flour mill to be ground into rubber powder with smaller particle size after being divided by a bin and a dividing screw, the rubber powder enters a cyclone cylinder component through a pipeline of the flour mill under the action of negative pressure, then enters an outlet of a first disk screen and a second disk screen to be screened again, the rubber powder which meets the requirement of the mesh number is conveyed to a collector to be packed under the action of a double-cyclone component, the rubber powder which does not meet the requirement of the mesh number returns to the bin through a transverse and vertical screw, and is sent back to the flour mill to be crushed;
s7, collecting and packaging:
collecting and packaging the materials in a collecting area, and spirally conveying the materials ground by the grinder system to a packer for packing;
s8, conveying finished products:
and conveying the fine rubber powder packed in the collecting area to a fine rubber powder finished product area, and then transporting.
Further, the magnetic separation area includes the rubber powder feed bin, and the rubber powder feed bin from top to bottom includes apron, straight section, conic section and support frame, and the apron sets up at the top of straight section, and the conic section setting is in the bottom of straight section, and straight section and conic section setting are on the support frame, and the bottom surface of conic section is partial flat plane design.
Furthermore, the magnetic separation area comprises a dust removal cover, the dust removal cover comprises a support, an upper cover shell, a first side cover shell, a second side cover shell, a side support cover shell and a throttle plate, the first side cover shell and the second side cover shell are respectively positioned on the left side and the right side of the upper cover shell, the first side cover shell, the second side cover shell, the side support cover shell and the throttle plate form a cover body, the cover body is arranged beside the dust raising point through the support, the side support is fixedly arranged on the outer side of the first side cover shell, the side support cover shell is;
the throttle plate is arranged at the bottom of the cover body, and holes are formed in the throttle plate.
Further, the magnetic separation area also comprises a calcium powder conveying device, the calcium powder conveying device is connected with the rubber powder bin, and the calcium powder conveying device comprises a large calcium powder bin, a single-screw conveying device, a double-screw conveying mechanism and a weighing sensor;
the discharge port of the large calcium powder bin is connected with the inlet of the single-screw conveying device, the outlet of the single-screw conveying device is connected with the inlet of the double-screw conveying mechanism, and the lower part of the large calcium powder bin is provided with a separation type vibrating device;
the double-screw conveying mechanism comprises a small calcium powder bin, a double-screw conveying device and a support, wherein the outlet of the single-screw conveying device is connected with the inlet of the small calcium powder bin, the outlet of the small calcium powder bin is connected with the inlet of the double-screw conveying device, the double-screw conveying device is arranged on the support, and the support is arranged on the weighing sensor.
Further, the grinding area comprises a flour mill system, and the flour mill system comprises a bin, a material distribution screw, a flour mill pipeline, a transverse screw, a cyclone cylinder assembly, a first disc sieve, a second disc sieve and a flour mill;
a material separating plate is arranged in the storage bin;
two feed openings of the cyclone cylinder assembly are respectively connected with an inlet of a first disc screen and an inlet of a second disc screen, an outlet of the first disc screen and an outlet of the second disc screen are connected with an inlet of a bin through a transverse vertical spiral, an outlet of the bin is connected with a feed inlet of a pulverizer through a material distributing spiral, an outlet of the pulverizer is connected with an inlet of a pipeline of the pulverizer, and an outlet of the pipeline of the pulverizer is connected with an inlet of the cyclone cylinder assembly;
the material distributing screw comprises an inverted V-shaped material distributing pipeline, a screw conveying motor and a screw conveying pipeline, the plurality of material distributing pipelines are uniformly arranged at the bottom of the screw conveying pipeline, and the screw conveying motor is arranged at the end part of the screw conveying pipeline;
the cyclone cylinder component comprises a right-handed fan, a right-handed cyclone cylinder, a left-handed fan, a left-handed cyclone cylinder, a first adapter, a second adapter and a support frame; the right-handed rotary type fan is connected with the right-handed rotary type cyclone cylinder through a first adapter port, the left-handed rotary type fan is connected with the left-handed rotary type cyclone cylinder through a second adapter port, the right-handed rotary type cyclone cylinder and the left-handed rotary type cyclone cylinder are both arranged on the support frame, a feed opening of the right-handed rotary type cyclone cylinder is connected with an inlet of the first disc sieve, a feed opening of the left-handed rotary type cyclone cylinder is connected with an inlet of the second disc sieve, a first air-lock valve is arranged at the feed opening of the right-handed rotary type cyclone cylinder, and a second air-lock valve is arranged at the feed opening of; outlets of the two flour mill pipelines are respectively connected with the right-handed cyclone and the left-handed cyclone in a one-to-one correspondence manner.
Further, the multiple mill systems are self-sealing fed in sequence.
Compared with the prior art, the invention has the beneficial effects that:
1. the fine rubber powder production line has the advantages of strong cooperativity of a plurality of procedures, no mutual interference, high production efficiency and low production cost.
2. Eight lines of the rubber breaking device share one forklift for feeding, so that the efficiency is high, and the production cost is saved.
3. The rubber powder bin adopts a design of partial flat bottom surface, reduces pressure intensity and ensures smooth blanking.
4. The dust hood is only arranged laterally aiming at the dust raising points, so that the height of the air pipe is low, the maintenance of roller repair, roller change and the like of the main machine equipment is facilitated, and resources are saved; under the action of the throttle plate, wind power concentration is avoided, only fiber and dust are absorbed, and the absorption of products, namely granular rubber powder, is avoided.
5. According to the invention, the large-output and small-output are realized through the matching of the large-calcium powder bin and the small-calcium powder bin, the conveying quantity of the calcium powder is not influenced by the material quantity stack pressure in the calcium powder bin, and the continuous quantitative output is realized through the weighing sensor; under the action of the separated vibration device, the large calcium powder bin cannot arch.
6. Compared with the existing centrifugal sieve, the centrifugal sieve has the advantages of long service life, small maintenance amount and low power consumption, and meets the requirements of users.
7. The multiple mill systems of the present invention are self-sealing fed in sequence, thus allowing for continuity of operation of the multiple mill units.
Drawings
FIG. 1 is a plan view of a fine rubber powder production line according to the present invention.
FIG. 2 is a schematic diagram of a magnetic selection region.
Fig. 3 is a schematic view of a calcium powder delivery device.
Fig. 4 is a schematic diagram of a rubber powder bin.
Fig. 5 is a perspective view of the dust excluding hood.
Fig. 6 is a front view of fig. 5.
Fig. 7 is a left side view of fig. 5.
FIG. 8 is a schematic view of a throttle plate of the dust hood.
Fig. 9 is a perspective view of a mill system.
Fig. 10 is a front view of fig. 9.
Fig. 11 is a top view of fig. 10.
Figure 12 is a schematic view of a silo.
Figure 13 is a schematic view of the main body of the cartridge.
Fig. 14 is a schematic view of a feed screw.
FIG. 15 is a schematic view of a transverse helix.
FIG. 16 is a schematic view of a cyclone cartridge assembly.
In the figure:
a block forming area 1, a stacking area 2, a gel breaking area 3,
a magnetic separation area 4, a bracket 4.1, an upper cover 4.2, a first side cover 4.3, a second side cover 4.4, a side bracket 4.5, a side bracket cover 4.6, a throttle plate 4.7, a large calcium powder bin 4.8, a separation type vibration device 4.9, a single screw conveying device 4.10, a small calcium powder bin 4.11, a double screw conveying device 4.12 and a weighing sensor 4.13,
rubber powder bin 4.14, cover plate 4.14.1, straight section 4.14.2, conical section 4.14.3, support frame 4.14.4, support frame 4.15,
the screening zone (5) is provided with,
the area of grinding 6 is such that,
a bin 6.1, a main body 6.1.1, an arch breaking device 6.1.2, a feed opening 6.1.3, a support leg 6.1.4,
a material-separating screw 6.2, a material-separating pipe 6.2.1, a screw conveying motor 6.2.2, a screw conveying pipe 6.2.3,
a flour mill pipeline 6.3, a transverse vertical spiral 6.4,
6.5 parts of a cyclone cylinder component, 6.5.1 parts of a right-handed fan, 6.5.2 parts of a right-handed cyclone cylinder, 6.5.3 parts of a left-handed fan, 6.5.4 parts of a left-handed cyclone cylinder, a first switching port 6.5.5, a second switching port 6.5.6, a supporting frame 6.5.7, a first air-lock valve 6.5.8 and a second air-lock valve 6.5.9,
a first disk screen 6.6, a second disk screen 6.7, a flour mill 6.8,
a collecting area 7, a fine rubber powder finished product area 8, a broken filament stacking area 9 and a mouth ring stacking area 10.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Referring to fig. 1, the invention relates to a fine rubber powder production line, which comprises a blocking area 1, a stacking area 2, a rubber breaking area 3, a magnetic separation area 4, a screening area 5, a grinding area 6, a collecting area 7, a fine rubber powder finished product area 8, a broken filament stacking area 9 and a mouth ring stacking area 10;
firstly, decomposing the tire in a block forming area 1; the waste tires are sent into the blocking area 1 through a first north door;
the blocking zone 1 comprises a bead cutting machine (not shown in the figures);
selecting hard materials such as steel nails, stones and tiles from the waste tire, fixing the waste tire on a tire bead ring cutting machine, and decomposing the waste tire into a tire top part, a tire side part and a rim part according to a tire body structure by using a cutter; the tire top, the tire side and the mouth ring are conveyed to a stacking area 2;
placing the decomposed port ring on a steel wire stripping machine, repeatedly extruding the port ring for multiple times by utilizing two opposite rotating roll shafts with equal speed, separating the steel wire ring from the sizing material under the action of strong extrusion force and shearing force, packaging and conveying the recovered steel wire ring to a broken filament stacking area 9, and conveying the port ring sizing material to a port ring stacking area 10;
and (3) placing the tire top and the tire side obtained by decomposition on a cutter working table of a tire crusher, and automatically cutting the tire top and the tire side into 5-7cm rubber blocks by a cutter around the circumference.
Secondly, gel breaking is carried out in a gel breaking area 3:
the glue breaking area 3 comprises a low-speed glue block shredder with water cooling, the shredder shreds the glue block by physical shearing force, and the breaking temperature is normal temperature. Two rollers with groove teeth of the shredder rotate relatively, and because the rollers rotate at different speeds and the inclination of the grooves of the rollers changes to generate shearing force, the rubber blocks are broken into rubber powder and steel wires under the action of strong shearing force.
Conveying the crushed rubber blocks into a sieve bed by a belt conveyor for sieving; and sieving the rubber powder meeting the requirement of the specification mesh number, and feeding the rubber powder not meeting the specification into a shredder again for crushing so as to reach the specified mesh number.
Thirdly, magnetic separation is carried out in the magnetic separation area 4;
the material crushed by the shredder is a mixture of rubber powder and steel wires, and the material is magnetically separated from the steel wires in the rubber powder by a magnetic separator for multiple times and collected; the rubber powder is conveyed to a rubber powder bin 4.14 in a spiral way, and dust is generated in the process; the dust is collected by a dust hood, and the collected dust can be used as a product;
referring to fig. 4, the rubber powder bin 4.14 comprises a cover plate 4.14.1, a straight section 4.14.2, a conical section 4.14.3 and a support frame 4.14.4 from top to bottom, the cover plate 4.14.1 is arranged at the top of the straight section 4.14.2, the conical section 4.14.3 is arranged at the bottom of the straight section 4.14.2, the support frame 4.14.4 supports the straight section 4.14.2 and the conical section 4.14.3, and the bottom surface of the conical section 4.14.3 is designed as a flat bottom surface, so that the pressure can be reduced, and the blanking is kept smooth;
referring to fig. 5-7, the dust excluding hood includes a bracket 4.1, an upper hood 4.2, a first side hood 4.3, a second side hood 4.4, a side bracket 4.5, a side bracket hood 4.6 and a throttle plate 4.7;
referring to fig. 5-7, the first side cover 4.3 and the second side cover 4.4 are respectively located at the left and right sides of the upper cover 4.2, and the three form a cover body, the cover body is arranged beside the dust lifting point through a bracket 4.1, the side bracket 4.5 is fixedly arranged at the outer side of the first side cover 4.3, the side bracket cover 4.6 is arranged on the side bracket 4.5, and the side bracket cover 4.6 is located above the dust lifting point; referring to fig. 6, the second side casing 4.4 is connected with the air duct, and the second side casing 4.4 has two air suction ports;
referring to fig. 8, the throttle plate 4.7 is arranged at the bottom of the cover body, and holes are formed in the throttle plate, so that the structure can avoid wind concentration, only absorb fiber and raised dust, and avoid absorbing large-particle rubber powder;
referring to fig. 2-3, the magnetic separation zone 4 further comprises a calcium powder conveying device, the calcium powder conveying device is connected with the rubber powder bin 4.14, and the calcium powder and the rubber powder can obtain higher tensile strength, tearing strength and wear resistance than pure rubber sulfide in mixing; the calcium powder conveying device comprises a large calcium powder bin 4.8, a single-screw conveying device 4.10 and a double-screw conveying mechanism;
referring to fig. 3, a discharge hole of a large calcium powder bin 4.8 is connected with an inlet of a single-screw conveying device 4.10, and an outlet of the single-screw conveying device 4.10 is connected with an inlet of a double-screw conveying mechanism;
referring to fig. 3, a separating type vibration device 4.9 is arranged at the lower part of the large calcium powder bin 4.8, and the separating type vibration device 4.9 can prevent the material in the large calcium powder bin 4.8 from arching;
referring to fig. 3, the double-screw conveying mechanism comprises a small calcium powder bin 4.11, a double-screw conveying device 4.12, a weighing sensor 4.13 and a bracket 4.15;
referring to fig. 3, an outlet of a single screw conveyor 4.10 is connected with an inlet of a small calcium powder bin 4.11, an outlet of the small calcium powder bin 4.11 is connected with an inlet of a double screw conveyor 4.12, the small calcium powder bin 4.11 is in a self-sealing design, the double screw conveyor 4.12 is arranged on a support 4.15, the support 4.15 is arranged on a weighing sensor 4.13, the weighing sensor 4.13 transmits a signal to a large calcium powder bin 4.8, when a material in the small calcium powder bin 4.11 is lower than a certain value, the weighing sensor 4.13 sends a signal, the large calcium powder bin 4.8 continuously feeds, when the material in the small calcium powder bin 4.11 is higher than the certain value, the weighing sensor 4.13 sends a signal, the large calcium powder bin 4.8 stops feeding, so that the material in the small calcium powder bin 4.11 can be ensured to be always fed, and continuous quantitative output is realized;
the large-calcium powder bin 4.8 is matched with the small-calcium powder bin 4.11, so that large-output and small-output are realized, the conveying quantity of the calcium powder is not influenced by the material quantity in the calcium powder bin, and continuous quantitative output is realized through the weighing sensor 4.13; under the action of the separated vibration device 4.9, the large calcium powder bin 4.8 cannot arch.
Sieving is carried out in a sieving area 5;
the magnetically-separated materials are conveyed by a closed conveyor to a closed screening machine for screening, the rubber powder meeting the mesh requirement is conveyed into a collecting area 7, and the rubber powder not meeting the specification is conveyed into a grinding area 6 by a screw conveyor for further grinding.
Grinding is carried out in the grinding area 6:
the grinding area 6 comprises a flour mill system, and the flour mill system comprises a bin 6.1, a material distributing screw 6.2, a flour mill pipeline 6.3, a transverse and vertical screw 6.4, a cyclone cylinder assembly 6.5, a first disc screen 6.6, a second disc screen 6.7 and a flour mill 6.8;
referring to fig. 8, the cyclone assembly 6.5 includes a right-handed fan 6.5.1, a right-handed cyclone 6.5.2, a left-handed fan 6.5.3, a left-handed cyclone 6.5.4, a first adapter 6.5.5, a second adapter 6.5.6, a support frame 6.5.7, a first air-lock valve 6.5.8, and a second air-lock valve 6.5.9; the right-handed air blower 6.5.1 is connected with the right-handed cyclone tube 6.5.2 through a first adapter 6.5.5, the left-handed air blower 6.5.3 is connected with the left-handed cyclone tube 6.5.4 through a second adapter 6.5.6, the right-handed cyclone tube 6.5.2 and the left-handed cyclone tube 6.5.4 are both arranged on a support frame 6.5.7, a feed opening of the right-handed cyclone tube 6.5.2 is connected with an inlet of the first disc sieve 6.6, a feed opening of the left-handed cyclone tube 6.5.4 is connected with an inlet of the second disc sieve 6.7, a first air shutter 6.5.8 is arranged at a feed opening of the right-handed cyclone tube 6.5.2, and a second air shutter 6.5.9 is arranged at a feed opening of the left-handed cyclone tube 6.5.4;
the outlet of the first disc screen 6.6 and the outlet of the second disc screen 6.7 are connected with the inlet of the bin 6.1 through the horizontal and vertical screw 6.4, the outlet of the bin 6.1 is connected with the feed inlet of the pulverizer 6.8 through the material distributing screw 6.2, the outlet of the pulverizer 6.8 is connected with the inlet of the pulverizer pipe 6.3, and the outlets of the two pulverizer pipes 6.3 are respectively connected with the right-handed cyclone 6.5.2 and the left-handed cyclone 6.5.4;
referring to fig. 4-5, the storage bin 6.1 comprises a main body 6.1.1, an arch breaking device 6.1.2, a feed opening 6.1.3 and support legs 6.1.4, wherein the support legs 6.1.4 support the main body 6.1.1, the arch breaking device 6.1.2 is arranged at the lower part of the main body 6.1.1, and under the combined action of the arch breaking device 6.1.2, the materials in the main body 1 are not easy to arch; the feed opening 6.1.3 is arranged at the bottom of the main body 6.1.1; a material separating plate 1.5 is arranged in the main body 6.1.1, the material separating plate 1.5 divides the main body 6.1.1 into two cavities, the old material returning to the storage bin 6.1 from the transverse vertical spiral 6.4 and the new material directly entering the storage bin 6.1 respectively enter the two cavities, and the new material and the old material are mixed to facilitate grinding.
Referring to fig. 6, the material distributing screw 6.2 comprises an inverted V-shaped material distributing pipeline 6.2.1, a screw conveying motor 6.2.2 and a screw conveying pipeline 6.2.3, the material distributing pipelines 6.2.1 are uniformly arranged at the bottom of the screw conveying pipeline 6.2.3, the screw conveying motor 6.2.2 is arranged at the end of the screw conveying pipeline 6.2.3, and a magnet is arranged at an outlet of the material distributing pipeline 6.2.1 and used for adsorbing metal impurities to prevent the influence on the subsequent screw conveying;
after being screened by the screening area 5, the rubber material which does not meet the specification enters eight flour mills 6.8 through a bin 6.1 and is divided by a dividing screw 6.2 to be ground into rubber powder with smaller grain diameter, the rubber powder enters a cyclone cylinder assembly 6.5 through a flour mill pipeline 6.3 under the action of negative pressure, then enters an outlet of a first disk sieve 6.6 and a second disk sieve 6.7 to be screened again, the rubber powder which meets the requirement of mesh number is conveyed to a collector under the action of a double-cyclone assembly 7 to be packed, the rubber powder which does not meet the requirement of mesh number returns to the bin 6.1 through a transverse vertical screw 6.4 and is sent back to the bin flour mill 6.8 to be crushed again;
compared with the existing centrifugal sieve, the centrifugal sieve adopts a disc sieve, under the condition that the centrifugal sieve scheme sieves two meshes, 6 centrifugal sieves and 3 groups of air conveying are matched with each group of flour mills (8), a dust remover is required to be added, the emission of particulate matters is evaluated, the occupied area is increased, and the one-time investment cost is higher than that of the disc sieve (2). 1 platform of disc screen supports 3 centrifugal sieves, and screen cloth (consumptive material) long service life, the maintenance volume is little, and the low power dissipation has satisfied user's needs.
The mill system has a plurality (9 according to the invention) of self-sealing feed in turn (the previous one is full into the next one), so that the multiple mill system is never fully loaded, ensuring the continuity of the operation of the grinding zone 6.
Collecting and packing in the collecting area 7:
and (4) conveying the materials ground by the grinder system to a collector for packaging.
And seventhly, conveying the finished product in a fine rubber powder finished product area 8:
the fine rubber powder packed in the collecting area 7 is sent to a fine rubber powder finished product area 8 and is transported through a second north door in the picture 1.
The working principle is as follows:
the invention relates to a fine rubber powder production line, which comprises the following processes: decomposing a tire, cutting into blocks, breaking rubber, magnetically separating, screening, grinding, collecting and packaging;
eight lines of the rubber breaking device share one forklift for feeding, so that the efficiency is high, and the production cost is saved;
the rubber powder bin 4.14 adopts a flat bottom surface design, so that the pressure is reduced, and the blanking is ensured to be smooth;
the dust hood is only arranged laterally aiming at the dust raising points, so that the height of the air pipe is low, the equipment is convenient to overhaul, and resources are saved; under the action of the throttle plate, wind power concentration is avoided, only fiber and dust are absorbed, and the absorption of products, namely granular rubber powder, is avoided.
According to the invention, the large-output and small-output are realized by matching the large-calcium powder bin 4.8 with the small-calcium powder bin 4.11, the conveying capacity of calcium powder is not influenced by the material quantity in the calcium powder bin, and continuous quantitative output is realized by the weighing sensor 4.13; under the action of the separated vibration device 4.9, the large calcium powder bin 4.8 cannot arch.
Compared with the existing centrifugal sieve, the centrifugal sieve has the advantages of long service life, small maintenance amount and low power consumption, and meets the requirements of users.
The multiple mill systems of the present invention are self-sealing in sequence to allow for continuity of operation of the multiple mill units.
In the above embodiments, the present invention is described only by way of example, but those skilled in the art, after reading the present patent application, may make various modifications to the present invention without departing from the spirit and scope of the present invention.
Claims (6)
1. The fine rubber powder production line is characterized in that: according to the advancing direction of the rubber powder, the rubber powder processing device comprises a blocking area, a stacking area, a broken filament stacking area, a mouth ring stacking area, a rubber breaking area, a magnetic separation area, a screening area, a grinding area, a collecting area and a fine rubber powder finished product area;
the method comprises the following steps:
s1, tire decomposition:
the tire decomposition is carried out in the block forming area, and the tire top, the tire side and the opening ring which are decomposed into the tire are sent to the stacking area; after the mouth ring is separated by a steel wire stripping machine, the steel wire ring is recycled, packed and sent to a wool yarn stacking area, and the mouth ring rubber material is sent to a mouth ring stacking area;
s2, cutting into blocks:
the cutting is carried out in the block breaking area, and the tire top and the tire side after the tire decomposition enter the rubber breaking area after being cut into blocks by a tire crusher;
s3, gel breaking:
the rubber breaking is carried out in a rubber breaking area, a rubber block is broken into rubber powder and steel wires by a shredder, the rubber powder and the steel wires are sent to a sieve bed for sieving, the rubber powder meeting the requirement of the specification mesh number is sieved, and the rubber powder not meeting the specification enters the shredder again for breaking so as to reach the specified mesh number; the mixture of the rubber powder and the steel wire enters a magnetic separation area;
s4, magnetic separation:
magnetic separation is carried out in a magnetic separation area, and the mixture of rubber powder and steel wires is separated and collected by a magnetic separator unit for multiple magnetic absorption; conveying the rubber powder to a rubber powder bin in a spiral mode, wherein dust is generated in the process; the dust is collected by a dust hood, and the collected dust can be used as a product;
s5, screening:
screening is carried out in a screening area, the magnetically-separated materials are conveyed to a closed screening machine through a closed conveyor for screening, rubber powder meeting the requirement of the mesh is conveyed to a collecting area, and rubber powder not meeting the specification is conveyed to a grinding area through a spiral conveyor for further grinding;
s6, grinding:
the grinding is carried out in a grinding zone:
after being screened by the screening area, the rubber materials which do not meet the specification enter a grinding mill to be ground into rubber powder with smaller particle size after being divided by a bin and a dividing screw, the rubber powder enters a cyclone cylinder component through a pipeline of the grinding mill under the action of negative pressure, then enters an outlet of a first disk screen and a second disk screen to be screened again, the rubber powder which meets the requirement of the mesh number is conveyed to a collector to be packed under the action of a double-cyclone component, the rubber powder which does not meet the requirement of the mesh number returns to the bin through a transverse and vertical screw, and is conveyed back to the grinding mill to be ground;
s7, collecting and packaging:
collecting and packaging the materials in a collecting area, and spirally conveying the materials ground by the grinder system to a packer for packing;
s8, conveying finished products:
and conveying the fine rubber powder packed in the collecting area to a fine rubber powder finished product area, and then transporting.
2. The fine rubber powder production line as claimed in claim 1, characterized in that: the magnetic separation area comprises a rubber powder bin, the rubber powder bin comprises a cover plate, a straight section, a conical section and a support frame from top to bottom, the cover plate is arranged at the top of the straight section, the conical section is arranged at the bottom of the straight section, the straight section and the conical section are arranged on the support frame, and the bottom surface of the conical section is designed as a part of flat bottom surface.
3. The fine rubber powder production line as claimed in claim 1, characterized in that: the magnetic separation area comprises a dust removal cover, the dust removal cover comprises a support, an upper cover shell, a first side cover shell, a second side cover shell, a side support cover shell and a throttle plate, the first side cover shell and the second side cover shell are respectively positioned on the left side and the right side of the upper cover shell and form a cover body, the cover body is arranged beside a dust lifting point through the support, the side support is fixedly arranged on the outer side of the first side cover shell, the side support cover shell is arranged on the side branch, and the side support cover shell is positioned above the dust lifting point;
the throttle plate is arranged at the bottom of the cover body, and holes are formed in the throttle plate.
4. The fine rubber powder production line as claimed in claim 1, characterized in that: the magnetic separation area also comprises a calcium powder conveying device, the calcium powder conveying device is connected with the rubber powder bin, and the calcium powder conveying device comprises a large calcium powder bin, a single-screw conveying device, a double-screw conveying mechanism and a weighing sensor;
the discharge port of the large calcium powder bin is connected with the inlet of the single-screw conveying device, the outlet of the single-screw conveying device is connected with the inlet of the double-screw conveying mechanism, and the lower part of the large calcium powder bin is provided with a separation type vibrating device;
the double-screw conveying mechanism comprises a small calcium powder bin, a double-screw conveying device and a support, wherein the outlet of the single-screw conveying device is connected with the inlet of the small calcium powder bin, the outlet of the small calcium powder bin is connected with the inlet of the double-screw conveying device, the double-screw conveying device is arranged on the support, and the support is arranged on the weighing sensor.
5. The fine rubber powder production line as claimed in claim 1, characterized in that: the grinding area comprises a flour mill system, and the flour mill system comprises a bin, a material distribution screw, a flour mill pipeline, a transverse screw, a cyclone cylinder assembly, a first disc sieve, a second disc sieve and a flour mill;
a material separating plate is arranged in the storage bin;
two feed openings of the cyclone cylinder assembly are respectively connected with an inlet of a first disc screen and an inlet of a second disc screen, an outlet of the first disc screen and an outlet of the second disc screen are connected with an inlet of a bin through a transverse vertical spiral, an outlet of the bin is connected with a feed inlet of a pulverizer through a material distributing spiral, an outlet of the pulverizer is connected with an inlet of a pipeline of the pulverizer, and an outlet of the pipeline of the pulverizer is connected with an inlet of the cyclone cylinder assembly;
the material distributing screw comprises an inverted V-shaped material distributing pipeline, a screw conveying motor and a screw conveying pipeline, the plurality of material distributing pipelines are uniformly arranged at the bottom of the screw conveying pipeline, and the screw conveying motor is arranged at the end part of the screw conveying pipeline;
the cyclone cylinder component comprises a right-handed fan, a right-handed cyclone cylinder, a left-handed fan, a left-handed cyclone cylinder, a first adapter, a second adapter and a support frame; the right-handed rotary type fan is connected with the right-handed rotary type cyclone cylinder through a first adapter port, the left-handed rotary type fan is connected with the left-handed rotary type cyclone cylinder through a second adapter port, the right-handed rotary type cyclone cylinder and the left-handed rotary type cyclone cylinder are both arranged on the support frame, a feed opening of the right-handed rotary type cyclone cylinder is connected with an inlet of the first disc sieve, a feed opening of the left-handed rotary type cyclone cylinder is connected with an inlet of the second disc sieve, a first air-lock valve is arranged at the feed opening of the right-handed rotary type cyclone cylinder, and a second air-lock valve is arranged at the feed opening of; outlets of the two flour mill pipelines are respectively connected with the right-handed cyclone and the left-handed cyclone in a one-to-one correspondence manner.
6. The fine rubber powder production line as claimed in claim 5, wherein: the multiple mill systems are self-sealing fed in sequence.
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| CN202110331440.5A CN113070145A (en) | 2021-03-29 | 2021-03-29 | Fine rubber powder production line |
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Application publication date: 20210706 |