CN1215651A - Method and apparatus for treatment of waste steel wire tyre and recovery of fine rubber powder by air refrigerating - Google Patents
Method and apparatus for treatment of waste steel wire tyre and recovery of fine rubber powder by air refrigerating Download PDFInfo
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- CN1215651A CN1215651A CN97119173A CN97119173A CN1215651A CN 1215651 A CN1215651 A CN 1215651A CN 97119173 A CN97119173 A CN 97119173A CN 97119173 A CN97119173 A CN 97119173A CN 1215651 A CN1215651 A CN 1215651A
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- air
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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
- Y02W30/62—Plastics recycling; Rubber recycling
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- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
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Abstract
A method for recovering fine rubber powder by treating used rail tyre with refrigerated air includes such steps as compressing air, expanding refrigeration, freezing used rail tyre, low-temp crushing the tyre in vitrification state by rolling-beating machine, stripping wire cord fabric, and self grinding of rubber particles in low-temp airflow pulverizer. Its apparatuses include low-temp rolling-beating crusher, low-temp cyclonic airflow pulverizer and freezing bin.
Description
The present invention relates to a kind of air cooling and handle the method and apparatus that waste steel wire tyre reclaims fine glue powder, international Patent classificating number is: B29B17/00.
Utilize various technology waste steel wire tyre to be handled and reclaimed the method and apparatus of fine glue powder in the prior art, many kinds are arranged, for example: No. 92108839.6 applications for a patent for invention of China disclose a kind of " reclaiming the method for rubber from vehicle tyre ".This method can make that the high-grade rubber in the tread portion and sidewall and other regional short rubber separate in the collected tire.This method comprises removes senior tread rubber with whole tread portion.Handle the sidewall and the tyre bead part of the residue and the tire of tread portion subsequently respectively.Senior tread rubber and rudimentary other parts glue are all removed with fine-grained form.And for example No. 93118599.8 applications for a patent for invention of China disclose a kind of " being used to pulverize the equipment of the material that becomes fragile under ultralow temperature ".This equipment comprises a pair of cylinder, the surperficial fluted and embossing of a cylinder, and cylinder is pressed to together by hydraulic cylinder, and extruding force is enough greatly with the surface of crushing material, and is simultaneously enough little again constant with the main body that keeps material.When the thickness of material changes, extruding force big or small constant, material is continuously by several to cylinder, whenever by a pair of cylinder, the surface of material all is extruded and comes off, by this processing, material for example steel wire and the fiber in the tire can not separated with easily being destroyed, and all materials are all separated and reclaim with recycling.Above recovery method and reclaimer, though can from tire, reclaim rubber,, because the restriction of its process conditions and the structural problem of equipment, the effect of its recovery is not very good.
The present invention in order to solve weak point of the prior art, handles the method and apparatus that waste steel wire tyre reclaims fine glue powder and proposed a kind of air cooling just.It is by advanced person's process and the equipment supporting with it, utilizes air cooling to handle waste steel wire tyre and recovery fine glue powder.
The object of the present invention is achieved like this.
Air cooling is handled the method that waste steel wire tyre reclaims fine glue powder:
1. the air compressed machine adherence pressure that has purified and expanded in the expansion refrigeration system by tail gas cooling back, make air self refrigeration to below-100 ℃, and have back pressure about 0.3MPa, enter respectively again in low temperature roll-in one hammering disintegrating machine and the low-temperature airflow pulverizer as dynamic medium;
2. the tire that is glassy state is flat by roll-in in low temperature roll-in one hammering disintegrating machine, rubber is subjected to giving extrusion stress, and be subjected to hammering and fragmentation, high-speed low temperature air stream is peeled away micelle and steel wire, honest and clean cloth, diameter is that the micelle below 6 millimeters is transported to adding in the feed bin of low-temperature airflow pulverizer, diameter is that the micelle more than 6 millimeters is sent the hammering position back to and further smashed with follow-up tire, and steel wire and Lian Bu compile as byproduct and discharge machine;
3. the diameter that is glassy state is that the micelle below 6 millimeters flows in the low-temperature airflow pulverizer by deadweight in adding feed bin, flow out in the gap between charge pipe and chassis, the micelle that the high-speed low temperature air-flow will be in greater than the angle of repose state blows afloat, impact in crushing chamber, to go up the punching of arranging at a high speed, utilize this percussion that micelle is pulverized, the micelle that high-speed motion clashes into mutually simultaneously, forms autogenous grinding, and fine glue powder relies on inertia force to discharge in clasfficiator.
Method of the present invention can also be further perfect by following steps:
Said air is compressed to 0.8MPa by air compressor in this method, given cold by tail gas at cool exchanger after the drying device drying, enter gas expansion refrigeration machine expansion refrigeration to-105 ℃, pressure is 0.3MPa, be divided into two, wherein a part enters low temperature roll-in-hammering disintegrating machine as low temperature in the holding chamber and coarse crushing and carry the power of micelle; In that being delivered to for the micelle of millimeter, diameter promptly go to cool chamber that tire A is frozen to-90 ℃ after adding feed bin, the air self temperature recovery is behind normal temperature, getting back to air compressor through filter is compressed once again, the air of another part-105 ℃, 0.3MPa then enters low temperature vortex airslide disintegrating mill micelle is pulverized to behind the fine glue powder, going into cool exchanger through filter, to give cold pressure from air compressor as tail gas be the air of 0.8MPa, and exhaust temperature goes back up to and enters air compressor behind the normal temperature and compressed once again.
Air cooling is handled the device that waste steel wire tyre reclaims fine glue powder:
This device comprises following three parts: low temperature roll-in-hammering disintegrating machine, low temperature vortex airslide disintegrating mill and cool chamber, wherein:
Low temperature roll-in-hammering disintegrating machine: the roller that a pair of rotation is set in casing, the below of the roller that rotates is provided with two pairs of hammering wheels successively, below the hammering wheel, be obliquely installed a vibratory sieve, be respectively equipped with three pairs of low-temperature airflow nozzles below the hammering wheel with above the vibratory sieve;
Low temperature vortex airslide disintegrating mill: form by tremie pipe, high velocity air nozzle, crushing chamber and clasfficiator.
The present invention has 3 width of cloth accompanying drawings, and wherein Fig. 2 is a most preferred embodiment of the present invention, also can make the accompanying drawing of specification digest.
Fig. 1, be system flow schematic diagram of the present invention;
Fig. 2, be low temperature roll-in of the present invention-hammering disintegrating machine schematic diagram;
Fig. 3, be low temperature vortex pulverizer schematic diagram of the present invention.
The present invention compared with prior art has following advantage: 1. device structure is simple, and is easy to operate; 2. technology advanced person, the recovery utilization rate height; 3. air can be recycled, energy savings.
Below in conjunction with accompanying drawing most preferred embodiment of the present invention is described further:
Technological process of the present invention as shown in Figure 1, whole technical process all is to rely on circulating air compression, the expansion refrigeration that will purify, provide degree of depth cold by Cryogenic air.Waste steel wire tyre A clean, that dried enters cool chamber 1 deep colling to-90 ℃, sends into low temperature roll-in-hammering disintegrating machine 2 and flattens through roll-in, and after the hammering fragmentation, the rubber grain separates with steel-wire cloth.Is that the rubber grain of 6 millimeter blows to the adding the feed bin 4 of low temperature vortex airslide disintegrating mill 5 tops through pipeline in disintegrating machine with the high speed cold air-flow with diameter, enters in the airslide disintegrating mill from charging aperture by deadweight then.Fine glue powder comes out to import after smart rubber powder storehouse 6 treats that 0.8MPa air-flow from compressor is with its cold recovery from airslide disintegrating mill below, and the temperature recovery of fine glue powder is to normal temperature, i.e. the product B of this device.
Air is compressed to 0.8MPa by air compressor 11, and drying device 10 dry backs are given cold by tail gas at cool exchanger 9, enter gas expansion refrigeration machine 8 expansion refrigerations to-105 ℃, and pressure is 0.3MPa.Be divided into two, wherein a part enters low temperature roll-in-hammering disintegrating machine 2 as low temperature in the holding chamber and coarse crushing and carry the power of micelle, deliver at the micelle that with diameter is 6 millimeters and promptly to go to cool chamber 1 that tire A is frozen to-90 ℃ after adding feed bin 4, the air self temperature recovery is behind normal temperature, getting back to air compressor 11 through filter 12 is compressed once again, another part-105 ℃, 0.3MPa air then enter low temperature vortex airslide disintegrating mill 5 micelle pulverized to behind the fine glue powder, going into cool exchanger 9 through filter 7, to give cold pressure from air compressor as tail gas be the air of 0.8MPa, and exhaust temperature goes back up to and enters air compressor 11 behind the normal temperature and compressed once again.
Account for the steel wire and the Lian Bu C of rail tyre weight 1/2nd, some rubber that do not purify of slag inclusion, in low temperature roll-in-hammering disintegrating machine, discharge as the byproduct of producing, collect in the byproduct storehouse 3, its cold is absorbed from the pressure of the air compressor air-flow by 0.8MPa, temperature recovery is to normal temperature, i.e. the byproduct of this device.Can be by hand behind the C separating device or other machineries steel wire and the Lian Buzai that flattens dragged out.The rubber grain that is clipped in is wherein shaken off with the way of mechanical oscillation, reclaimed, steel wire and Lian Bu also can reclaim respectively.
The device that air cooling is handled waste steel wire tyre recovery fine glue powder comprises following three parts: low temperature roll-in-hammering disintegrating machine, low temperature vortex airslide disintegrating mill and cool chamber, wherein:
Low temperature roll-in-hammering disintegrating machine: as shown in Figure 2, the roller 12 of a pair of rotation is set in casing, the below of the roller 12 that rotates is provided with two pairs of hammering wheels 13,14 successively, below hammering wheel 14, be obliquely installed a vibratory sieve 15, below the hammering wheel 13,14 and vibratory sieve 15 above be respectively equipped with low-temperature airflow nozzle 16,17 and 18.Blow the rubber grain with high velocity air they and steel wire and Lian Bu are peeled off, cold airflow remains on about-90 ℃ casing internal work temperature simultaneously.
Deep colling, be the waste steel wire tyre A of glassy state, the roller 12 that is being rotated be involved in and flatten, by real, make the tire that is the concavity cross section become a real pie.Rubber is squeezed, and produces and gives stress, and internal structure begins to destroy.The tire that has flattened falls into first pair of hammering wheel inlet by deadweight, deflection when preventing from, and available trundle is arranged along falling direction, forces tire decide direction by giving.Tire is subjected to the effect of knocking of a plurality of tups on the hammering wheel 13, and is broken and separate with steel wire, honest and clean cloth, continues to fall into second pair of hammering by deadweight simultaneously and takes turns 14 and enter the mouth.Between 13,14 the time, micelle is blown off by the high-speed low temperature air-flow that penetrates from nozzle 16.Tire in second pair of hammering wheel 14, be subjected to once more the knocking of a plurality of tups, broken, residual rubber is separated with steel-wire cloth, continue simultaneously to fall on the slideway 19 on the vibratory sieve by deadweight, micelle is constantly blown off by the high-speed low temperature air-flow that penetrates from nozzle sets 17,18, through vibratory sieve, diameter is sent back to hammering less than 6 millimeters micelle 20 by air-flow and is taken turns 13 tops.Continue broken; Diameter is delivered to adding in the feed bin of low-temperature airflow pulverizer top greater than 6 millimeters micelle 21 by air-flow, treats further pulverizing; The tire shelf that only contains steel wire, honest and clean cloth then drops on stacking place 22 by slideway and regularly takes out.
Low temperature spiral vortex type air-flow pulverizer: as shown in Figure 3, low temperature spiral vortex type air-flow pulverizer mainly is made up of tremie pipe 1, high velocity air nozzle 23, crushing chamber 24 and clasfficiator 25 4 parts.The micelle of diameter below 6 millimeters that is glassy state flows in the Lowtemperaturepulverizer by deadweight in adding feed bin.Flow out in the gap between charge pipe 1 and pulverizer chassis, by the production capacity of adjusting play height-adjustable pulverizer.Pressure is that 0.3MPa, temperature are passed through nozzle 23 after-acceleration for-105 ℃ low-temperature airflow, and the micelle that will be in greater than the angle of repose state blows afloat, and impacts with the shock plate of arranging on crushing chamber 24 inwalls at a high speed, utilizes this percussion that micelle is pulverized; The micelle that high-speed motion is bump formation autogenous grinding mutually simultaneously.Keep operating temperature-90 ℃ in the crushing chamber.Fine glue powder (more than 60 orders) relies on the classified device 25 of inertia force to discharge.Below low temperature spiral vortex type air-flow pulverizer, import the fine glue powder storehouse.Tail gas is discharged from the top of low temperature spiral vortex type air-flow pulverizer, goes cool exchanger to reclaim cold.
Cool chamber: cool chamber places temperature to remain in-40 ℃ the shallow cold house.Waste steel wire tyre is reduced to-40 ℃ by normal temperature in shallow cold house after, enter in the cool chamber by freezing to-90 ℃ from the low temperature exhaust gas that adds feed bin.Tire is transported at a slow speed by chain plate conveyor belt in the cool chamber of tunnel type, and lifts the low temperature roll-in from ground-the stamping machine top, and the transmission device of chain plate conveyor belt is installed on outside the storehouse.
Device structure of the present invention is simple, and is easy to operate; Technology advanced person, the recovery utilization rate height; Air can be recycled, energy savings.Very easily promote the use of, can produce good economic benefit surely.
Claims (3)
1, a kind of air cooling is handled the method that waste steel wire tyre reclaims fine glue powder, adopts freezing air-flow to pulverize old tire, it is characterized in that:
1. the air compressed machine adherence pressure that has purified and expanded in the expansion refrigeration system by tail gas cooling back, make air self refrigeration to below-100 ℃, and have back pressure about 0.3MPa, enter respectively again in low temperature roll-in one hammering disintegrating machine and the broken machine of low-temperature airflow material as dynamic medium;
2. the tire that is glassy state is flat by roll-in in low temperature roll-in one hammering disintegrating machine, rubber is subjected to giving extrusion stress, and be subjected to hammering and fragmentation, high-speed low temperature air stream is peeled away micelle and steel wire, honest and clean cloth, diameter is that the micelle below 6 millimeters is transported to adding in the feed bin of low-temperature airflow pulverizer, diameter is that the micelle more than 6 millimeters is sent the hammering position back to and further smashed with follow-up tire, and steel wire and Lian Bu compile as byproduct and discharge machine;
3. the diameter that is glassy state is that the micelle below 6 millimeters flows in the low-temperature airflow pulverizer by deadweight in adding feed bin, flow out in the gap between charge pipe and chassis, the micelle that the high-speed low temperature air-flow will be in greater than the angle of repose state blows afloat, impact with the punching of on the crushing chamber inwall, arranging at a high speed, utilize this percussion that micelle is pulverized, the micelle that high-speed motion clashes into mutually simultaneously, forms autogenous grinding, and fine glue powder relies on inertia force to discharge in clasfficiator.
2, air cooling according to claim 1 is handled the method that waste steel wire tyre reclaims fine glue powder, it is characterized in that: said air is compressed to 0.8MPa by air compressor (11), the dry back of drying device (10) is given cold at cool exchanger (9) by tail gas, enter gas expansion refrigeration machine (8) expansion refrigeration to-105 ℃, pressure is 0.3MPa, be divided into two, wherein a part enters low temperature roll-in one hammering disintegrating machine (2) as low temperature in the holding chamber and coarse crushing and carry the power of micelle; Deliver at the micelle that with diameter is 6 millimeters and promptly to go to cool chamber (1) that tire A is frozen to-90 ℃ after adding feed bin (4), the air self temperature recovery is behind normal temperature, getting back to air compressor (11) through filter (12) is compressed once again, the air of another part-105 ℃, 0.3MPa then enters low temperature vortex airslide disintegrating mill (5) micelle is pulverized to behind the fine glue powder, going into cool exchanger (9) through filter (7), to give cold pressure from air compressor as tail gas be the air of 0.8MPa, and exhaust temperature goes back up to and enters air compressor (11) behind the normal temperature and compressed once again.
3, a kind of air cooling is handled the device that waste steel wire tyre reclaims fine glue powder, and it is characterized in that: this device comprises following three parts: low temperature roll-in one hammering disintegrating machine, low temperature vortex airslide disintegrating mill and cool chamber, wherein:
Low temperature roll-in one hammering disintegrating machine: the roller (12) that a pair of rotation is set in casing, the below of the roller (12) that rotates is provided with two pairs of hammering wheels (13), (14) successively, below at hammering wheel (14) is obliquely installed a vibratory sieve (15), is respectively equipped with low-temperature airflow nozzle (16), (17) and (18) in hammering wheel (13), the below of (14) and the top of vibratory sieve (15);
Low temperature vortex airslide disintegrating mill: form by tremie pipe (1), high velocity air nozzle (23), crushing chamber (24) and clasfficiator (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97119173A CN1058211C (en) | 1997-10-23 | 1997-10-23 | Method and apparatus for treatment of waste steel wire tyre and recovery of fine rubber powder by air refrigerating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97119173A CN1058211C (en) | 1997-10-23 | 1997-10-23 | Method and apparatus for treatment of waste steel wire tyre and recovery of fine rubber powder by air refrigerating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1215651A true CN1215651A (en) | 1999-05-05 |
| CN1058211C CN1058211C (en) | 2000-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97119173A Expired - Fee Related CN1058211C (en) | 1997-10-23 | 1997-10-23 | Method and apparatus for treatment of waste steel wire tyre and recovery of fine rubber powder by air refrigerating |
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| Country | Link |
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| CN (1) | CN1058211C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001010942A1 (en) * | 1999-08-05 | 2001-02-15 | Li Xing | A process for producing superfine rubber powder by using waste rubber |
| CN111730786A (en) * | 2020-06-10 | 2020-10-02 | 北京克林泰尔环保科技有限公司 | Method for preparing tire rubber powder with porous structure by wet grinding |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063546A (en) * | 1991-09-29 | 1992-08-12 | 航空航天部609研究所 | The method and apparatus of air cooling freeze production of glue powder |
| CN2185673Y (en) * | 1994-02-04 | 1994-12-21 | 北京市西城区新开通用试验厂 | Device for pulverizing old tyre by refrigerating airstream |
| US5634599A (en) * | 1994-02-17 | 1997-06-03 | Crumbrubber Technology Co., Inc. | Tire recycling process |
| CN1068672C (en) * | 1995-07-26 | 2001-07-18 | 南京飞利宁深冷工程有限公司 | Air circulationf reezing technology for making gelatin powder and equipment thereof |
-
1997
- 1997-10-23 CN CN97119173A patent/CN1058211C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001010942A1 (en) * | 1999-08-05 | 2001-02-15 | Li Xing | A process for producing superfine rubber powder by using waste rubber |
| CN111730786A (en) * | 2020-06-10 | 2020-10-02 | 北京克林泰尔环保科技有限公司 | Method for preparing tire rubber powder with porous structure by wet grinding |
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| Publication number | Publication date |
|---|---|
| CN1058211C (en) | 2000-11-08 |
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