CN103978586A - Preparation method of tread rubber powder - Google Patents
Preparation method of tread rubber powder Download PDFInfo
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- CN103978586A CN103978586A CN201410219936.3A CN201410219936A CN103978586A CN 103978586 A CN103978586 A CN 103978586A CN 201410219936 A CN201410219936 A CN 201410219936A CN 103978586 A CN103978586 A CN 103978586A
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- belt conveyor
- rubber powder
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- screen box
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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
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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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Abstract
The invention discloses a preparation method of tread rubber powder. Grinding and magnetic separation equipment comprises a mixture conveyor belt, a rubber particle discharge hopper, a first full magnetic roller, a driven roller, a steel wire separation conveyor belt, a steel wire recovery conveyor belt, a steel wire discharge hopper, a rubber particle conveyor belt, a rubber discharge hopper, a circulating conveyor belt, a second full magnetic roller, a baffle, a rubber coarse grinder, a first vibrating screen, a first conveyor belt, a recovery conveyor belt, a rubber powder grinder, a second conveyor belt, a second vibrating screen and an iron-containing rubber particle receiving hopper. A grinding and magnetic separation process comprises the following steps: grinding and screening a blocky tire via a coarse grinder to obtain coarse particles, obtaining pure coarse rubber particles and recovered steel wires through first magnetic separation and second magnetic separation and grinding the pure coarse rubber particles via the grinder and then screening the powder, thus obtaining the rubber powder. The preparation method has the beneficial effects that the iron wires can be effectively separated; wear of the equipment can be reduced; the service life of the equipment is long.
Description
Technical field
The present invention relates to a kind of preparation method of tyre surface rubber powder.
Background technology
At present, the preparation method of tyre surface rubber powder comprises that junked tire is carried out to mouth circle to be separated, and slitting, stripping and slicing, be then directly ground into the tire after stripping and slicing 30-32 object fine powder, then this fine powder is obtained through magnetic separation to iron is cut and rubber powder.Like this, because iron wire is directly ground into iron end, on the one hand large to the wearing and tearing of equipment, on the other hand, iron end is difficult for removing completely in the time of magnetic separation, causes in final product iron end content large, affects the quality of last reclaimed rubber.
Secondly, at present, rubber grain general vibratory sieve that adopts in the time of screening is realized, and current vibratory sieve, as Chinese patent CN202061199U, CN202539070U are all mainly made up of frame, screening motor (or motor), screen box and screen cloth etc., described screen box is fixed on the top of frame, and both are connected by elastic supporting member for supporting optical member, there is like this problem, be exactly with after a period of time, elastic supporting member for supporting optical member just needs to change, and elastic supporting member for supporting optical member is short service life.
Therefore those skilled in the art are devoted to develop one and can effectively separate iron wire, can reduce again the wearing and tearing to equipment, the preparation method who extends the tyre surface rubber powder in vibratory sieve life-span.
Summary of the invention
Because the above-mentioned defect of prior art, technical problem to be solved by this invention is to provide one can effectively separate iron wire, can reduce again the wearing and tearing to equipment, the preparation method who extends the tyre surface rubber powder in the life-span of vibratory sieve.
For achieving the above object, the invention provides a kind of preparation method of tyre surface rubber powder, comprise that then junked tire is carried out mouthful to a circle separation, slitting, stripping and slicing pulverizes the step of magnetic separation, is characterized in that:
The equipment of pulverizing magnetic separation comprises rubber coarse crushing pulverizer and rubber rubber powder pulverizer, below rubber coarse crushing pulverizer and rubber rubber powder pulverizer, be respectively equipped with the first and second vibratory sieves, the thin rubber powder discharging opening of described the first vibratory sieve is connected with compound belt conveyor by the first belt conveyor, the coarse granule discharge bucket of described the first vibratory sieve material is out got back to coarse crusher for rubber by reclaiming belt conveyor, the setting that is inclined upwardly gradually from head end to end of described compound belt conveyor, be provided with rubber grain discharge bucket at the end of compound belt conveyor, be provided with the first full magnet drum near mixture belt conveyor end, driven cylinder and the first full magnet drum are in the same plane, steel wire separates belt conveyor and is enclosed within on the first full magnet drum and driven cylinder simultaneously, the head end of steel wire recovery belt conveyor is positioned at the below of steel wire separation belt conveyor, and be provided with steel wire discharge bucket at the end of described steel wire recovery belt conveyor, the below that described steel wire reclaims belt conveyor is provided with rubber grain belt conveyor, and the end cylinder of described rubber grain belt conveyor is the second full magnet drum, and described rubber grain discharge bucket lower end extends to the top of the head end of rubber grain belt conveyor, described rubber grain belt conveyor end is provided with rubber discharge bucket, described rubber discharge bucket material is out transported to rubber rubber powder pulverizer by the second belt conveyor, the below of the end of described rubber grain belt conveyor is also provided with circulation belt conveyor, and the end below of described circulation belt conveyor is for reclaiming the head end of belt conveyor,
Described the second vibratory sieve comprises frame, screen box, screen cloth and vibrating motor, described screen box is contained in frame, described screen cloth is arranged in screen box screen box is divided into upper strata vibrating bin and lower floor's material cavity, the tail down of described screen box is tilted, described frame comprises at least two door type frames, the two ends of the lower surface of the back timber of each door type frame are equipped with two vertical plates, between two vertical plates, rotating shaft is housed, the position of the corresponding each door type frame in both sides of the base plate of described screen box is respectively equipped with swing arm, the upper end kink of described swing arm is in rotating shaft, the lower end of described swing arm is connected on screen box, the front of described frame is provided with vibrating grid, on described vibrating grid, axle is housed, one end of described axle connects large belt wheel, the head end of described screen box is provided with torque arm, the end of described torque arm is enclosed within on axle, on the output shaft of described motor, be connected with small pulley, belt is enclosed within on small pulley and large belt wheel simultaneously, the tail end of described screen box is connected with the thick rubber powder discharge bucket in the upper strata being communicated with upper strata vibrating bin, position near tail end on the base plate of described screen box is provided with thin rubber powder discharging opening, on thin rubber powder discharging opening, be connected with thin rubber powder discharge bucket, the thick rubber powder discharge bucket in upper strata of described the second vibratory sieve material out is also got back to rubber rubber powder pulverizer by the second belt conveyor,
The processing step of described pulverizing magnetic separation is:
(1), by block tire after above-mentioned rubber coarse crushing pulverizer is pulverized, obtain 8-10 object coarse granule through the first bolting, described coarse granule is after the first belt conveyor, mixture belt conveyor, realize separating of steel wire and crude rubber particle at the end of mixture belt conveyor, steel wire is recovered after reclaiming belt conveyor by steel wire, and crude rubber particle enters rubber grain belt conveyor;
(2), above-mentioned crude rubber particle carries out at the end of rubber grain belt conveyor the rubber grain that magnetic separation obtains pure crude rubber particle and contains on a small quantity iron wire again, pure crude rubber particle enters the thick rubber powder discharge bucket in upper strata of the second vibratory sieve, then enters rubber rubber powder pulverizer by the second belt conveyor and pulverizes; The rubber grain that contains on a small quantity iron wire is pulverized again by entering rubber coarse crushing pulverizer after circulation belt conveyor, recovery belt conveyor;
(3) rubber grain, after pulverizing in rubber rubber powder pulverizer enters the second vibratory sieve and sieves, and obtains 30-32 object rubber rubber powder.
Adopt technique scheme, block tire is not directly ground into 30-32 order, but be first ground into 8-10 object coarse granule, can avoid steel wire to be directly ground into iron end, little to the wearing and tearing of equipment so on the one hand, the still steel wire that we screen in the time of magnetic separation on the other hand, the efficiency of magnetic separation is high.Moreover, we by coarse granule through twice magnetic separation, in the time of magnetic separation for the second time, further the particle removal of iron will be contained in coarse granule, make to enter iron content in the rubber grain of next step pulverizing and further reduce, after this process, in rubber, the clearance of iron is higher than 99.5%.Finally coarse granule is being ground into thinner powder, in this powder, the content at iron end is extremely low.
On the screen box mouth of the second vibratory sieve, being provided with the iron that magnet is housed cuts disposable box thin rubber powder is carried out to magnetic separation for the third time.Can further remove like this iron end of minute quantity in rubber rubber powder, improve the quality of rubber rubber powder.
Moreover, the present invention's the second vibratory sieve replaces to elastic supporting member for supporting optical member the swing type structure being made up of portal, swing arm, again under the effect of motor, the continuous swing of screen box, to reach the object of screening, thick rubber powder discharge bucket is out from upper strata for the thick material in upper strata, being transported to rubber rubber powder pulverizer through the second belt conveyor more further pulverizes, the qualified fine grained in bottom exports out from thin rubber powder, arriving thin rubber powder through meticulous rubber powder discharge bucket again stacks in hole, the screening efficiency of the second vibratory sieve is high, has saved elastomeric element, longer service life.
In technique scheme: described block tire is of a size of 40*40mm.
In technique scheme: the drive roll of described compound belt conveyor is positioned at end, the drive roll of described steel wire recovery belt conveyor is positioned at below and the close first full magnet drum of steel wire separation belt conveyor, the drive roll of described compound belt conveyor is connected with the first full magnet drum by belt, and the described first full magnet drum is connected with the drive roll that steel wire reclaims belt conveyor by belt; The drive roll of described circulation belt conveyor is positioned at the second full magnet drum below, and by same driven by motor.Can save like this equipment investment.
Arrange for convenient, save occupation area of equipment.Described rubber grain belt conveyor is parallel with the circulation belt conveyor that is positioned at its below.
For fear of spilling leakage from rubber grain discharge bucket material out.The front of described rubber grain discharge bucket is provided with baffle plate, and described baffle plate is positioned at the top of rubber grain belt conveyor.
In order to improve the intensity of screen box.The head end of the base plate of described screen box is connected with frame type frame, between described frame type frame and the head end plate of screen box, is connected with reinforcement, and described torque arm is positioned at the outer middle side part of the transverse beam of frame type frame.
In technique scheme: described vibrating grid comprises left socle and right support, top at left socle and right support is respectively equipped with axis hole, the two ends of described axle are set in the axis hole of left socle and right support, and one end of described axle reaches outside vibrating grid, and on this external part, large belt wheel is housed.
The invention has the beneficial effects as follows: 1, block tire is not directly ground into 30-32 order by the present invention, but be first ground into 8-10 object coarse granule, can avoid steel wire to be directly ground into iron end, little to the wearing and tearing of coarse crushing equipment so on the one hand, the still steel wire that we screen in the time of magnetic separation on the other hand, the efficiency of magnetic separation is high, and this time magnetic separation is removed more than 99% steel wire.
2, we by coarse granule through twice magnetic separation, in the time of magnetic separation for the second time, further will in coarse granule, contain the particle removal of iron, make to enter iron content in the rubber grain of next step pulverizing and further reduce, after this process, in rubber, the clearance of iron is higher than 99.5%.
3, finally coarse granule is being ground into thinner particle, this time, in crushing process, little to the wearing and tearing of pulverizer, in the rubber powder after pulverizing, the content at iron end is extremely low.
4, the elastomeric element of the second vibratory sieve replaces with the swing type structure of swing arm and door type frame composition, and it is higher that screening efficiency becomes, and greatly extend service life.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of the present invention's the second vibratory sieve;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is the concrete scheme of installation of frame and screen box;
Fig. 5 is the concrete scheme of installation of torque arm, vibrating grid, large belt wheel, small pulley, belt, motor.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described:
Embodiment 1
Comprise that then junked tire is carried out mouthful to a circle separation, slitting, stripping and slicing pulverizes the step of magnetic separation, mouthful circle separation, slitting and stripping and slicing are existing technique, and the rubber after stripping and slicing is of a size of 40mm*40mm left and right.
Pulverize magnetic separation equipment used as Figure 1-5:
By mixture belt conveyor 1, rubber grain discharge bucket 2, the first full magnet drum 3, driven cylinder 4, steel wire separates belt conveyor 5, steel wire reclaims belt conveyor 6, steel wire discharge bucket 7, rubber grain belt conveyor 8, rubber discharge bucket 9, circulation belt conveyor 10, the second full magnet drum 11, baffle plate 12, rubber coarse crushing pulverizer 13, the first vibratory sieve 14, the first belt conveyor 15, reclaim belt conveyor 16, rubber rubber powder pulverizer 17, the second belt conveyor 18, the second vibratory sieve 19 compositions such as parts such as grade.
The structure of rubber coarse crushing pulverizer 13 and rubber rubber powder pulverizer 17 is prior art, their a structure left side is not repeated at this.Below rubber coarse crushing pulverizer 13 and rubber rubber powder pulverizer 17, be respectively equipped with the first and second vibratory sieves 14,19, rubber coarse crushing pulverizer 13 and rubber rubber powder pulverizer 17 lay respectively at the top of the stem of the first and second vibratory sieves 14.19, the first vibratory sieve 14 is identical with the second vibratory sieve 19 structures, screen cloth in the middle part of comprising screen box and being arranged in screen box, screen box is divided into vibrating bin above and the thin rubber powder case of lower floor by screen cloth, this is prior art, does not repeat at this.Junked tire first becomes the bulk of 40*40mm through coarse crushing, the thin rubber powder discharging opening that enters the first vibratory sieve 14. first vibratory sieves 14 after the particle that this niggerhead is ground into 8-10 order left and right through rubber coarse crushing pulverizer 13 is again connected with compound belt conveyor 1 by the first belt conveyor 15, and the coarse granule discharge bucket of the first vibratory sieve 14 material is out got back to coarse crusher for rubber 13 by reclaiming belt conveyor 16.
Reclaimed rubber rubber powder vibratory sieve is made up of parts such as frame 19-1, screen box 19-2, screen cloth 19-3, motor 19-4, upper strata thick rubber powder discharge bucket 19-5, thin rubber powder discharge bucket 19-6, torque arm 19-7, vertical plate 19-8, rotating shaft 19-9, swing arm 19-10, reinforcement 19-11, vibrating grid 19-12, axle 19-13, large belt wheel 19-14, small pulley 19-15 and frame type frame 19-17.
Frame 19-1 comprises at least two door type frames, selects two here, and the two ends of the lower surface of the back timber of each door type frame are respectively equipped with two vertical plate 19-8, gapped between two vertical plate 19-8, between two vertical plate 19-8, is connected with rotating shaft 19-9.Door type frame is bolted on ground.
The tail down of screen box 19-2 is obliquely installed, screen box 19-2 is positioned at the below of two door type frames, two door type frames lay respectively at the close stem of screen box 19-2 and the position of afterbody, the position of the corresponding each door type frame in the left and right sides of the base plate of screen box 19-2 is provided with swing arm 19-10, it is upper that the lower end of swing arm 19-10 is connected to screen box 19-2, and the upper end kink of swing arm 19-10 is contained on rotating shaft 19-9.Middle part in screen box 19-2 arranges screen cloth 19-3, screen box 19-2 is divided into upper strata vibrating bin and lower floor's material cavity by screen cloth 19-3, the head end of the base plate of screen box 19-2 is connected with frame type frame 19-17, between frame type frame 19-17 and the head end plate of screen box 19-2, be connected with reinforcement 19-11, torque arm 19-7 is connected to the outer middle side part of the transverse beam of frame type frame 19-17.The afterbody of screen box 19-2 is provided with the upper strata being communicated with upper strata vibrating bin thick rubber powder discharge bucket 19-5, and the position near tail end on the base plate of screen box 19-2 is provided with thin rubber powder discharging opening, on thin rubber powder discharging opening, is connected with thin rubber powder discharge bucket 19-6.
The front of frame 19-1 is provided with vibrating grid 19-12, and vibrating grid 19-12 comprises left socle and right support, and left socle and right support are bolted on respectively on ground.Top at left socle and right support is respectively equipped with axis hole, and the two ends of axle 19-13 are set in the axis hole of left socle and right support, and one end of axle 19-13 reaches outside vibrating grid 19-12, and large belt wheel 19-14 is housed on this external part.It is upper that the end of torque arm 19-7 is enclosed within axle 19-13, and motor 19-4 is bolted on the ground in vibrating grid 19-12 front, is connected with small pulley 19-15 on the output shaft of motor 19-4, and belt 19-16 is enclosed within on small pulley 19-15 and large belt wheel 19-14 simultaneously.
Motor 19-4 rotates, and band moving axis 19-13 rotates, thereby torque arm 19-7 follows by action, and torque arm 19-7 pulls screen box, and swing arm 19-10 swings, thereby completes screening work.
The second vibratory sieve 19 fine powder is out our qualified rubber powder, and particle diameter is 30-32 order.From the upper strata thick rubber powder discharge bucket 19-5 of the second vibratory sieve 19 getting back to rubber rubber powder pulverizer 17 compared with coarse granule by the second belt conveyor 18 and continue to pulverize out.
Compound belt conveyor 1 setting that is inclined upwardly gradually from head end to end, be provided with rubber grain discharge bucket 2 at the end of compound belt conveyor 1, the drive roll of compound belt conveyor 1 is positioned at end, be provided with the first full magnet drum 3 near mixture belt conveyor 1 end, driven cylinder 4 and the first full magnet drum 3 are in the same plane, steel wire separates belt conveyor 5 and is enclosed within on full magnet drum 3 and driven cylinder 4 simultaneously, the head end of steel wire recovery belt conveyor 6 is positioned at the below of steel wire separation belt conveyor 5, and it is parallel with steel wire separation belt conveyor 5 that steel wire reclaims belt conveyor 6.And reclaim the end of belt conveyor 6 at steel wire and be provided with steel wire discharge bucket 7, steel wire reclaims out from steel wire discharging opening 7.The drive roll of steel wire recovery belt conveyor 6 is positioned at below and the close first full magnet drum 3 of steel wire separation belt conveyor 5.The drive roll of compound belt conveyor 1 is connected with the first full magnet drum 3 by belt, and the first full magnet drum 3 is connected with the drive roll that steel wire reclaims belt conveyor 6 by belt.They three rotate by same driven by motor, save equipment investment.
The below that steel wire reclaims belt conveyor 6 is provided with rubber grain belt conveyor 8, and the end cylinder of rubber grain belt conveyor 8 is the second full magnet drum 11, and rubber grain discharge bucket 2 lower ends extend to the top of the head end of rubber grain belt conveyor 8.The front of the discharging opening of rubber grain discharge bucket 2 is provided with baffle plate 12, and baffle plate 12 is positioned at the top of rubber grain belt conveyor 8.
Rubber grain belt conveyor 8 ends are provided with rubber discharge bucket 9 and iron content rubber grain receiving hopper 20, and iron content rubber grain material receiving port 20 is positioned at towards inner side, and rubber discharge bucket 9 toward the outer side.Rubber discharge bucket 9 material is out transported to rubber rubber powder pulverizer 17 by the second belt conveyor 18, the below of the end of rubber grain belt conveyor 8 is also provided with circulation belt conveyor 10, and the discharging opening of iron content rubber grain material receiving port 20 is positioned at the top of circulation belt conveyor 10.Rubber grain belt conveyor 8 is parallel with the circulation belt conveyor 10 that is positioned at its below, and the end below of circulation belt conveyor 10 is for reclaiming the head end of belt conveyor 16.The drive roll of circulation belt conveyor 10 is positioned at the second full magnet drum 11 belows, and by same driven by motor.
The processing step of pulverizing magnetic separation is:
(1), by above-mentioned block tire after above-mentioned rubber coarse crushing pulverizer 13 is pulverized, obtain 8-10 object coarse granule and be positioned at the thicker particle of the screen cloth top of the first vibratory sieve 14 through the first vibratory sieve 14 screening.Thicker particle is got back to rubber coarse crushing pulverizer 13 by recovery belt conveyor 16 and is proceeded to pulverize.Coarse granule from the discharge bucket of the screen cloth below of the first vibratory sieve 14 out after the first belt conveyor 15, mixture belt conveyor 1, realize separating of steel wire and crude rubber particle at the end of mixture belt conveyor 1, steel wire is siphoned away after reclaiming belt conveyor 6 by steel wire again and is recovered by the first full magnet drum 3, and crude rubber particle enters rubber grain belt conveyor 8 by rubber discharge bucket 9.
(2), above-mentioned crude rubber particle carries out at the second full magnet drum 11 of the end of rubber grain belt conveyor 8 rubber grain that magnetic separation obtains pure crude rubber particle and contains on a small quantity iron wire again, pure crude rubber particle enters the upper strata thick rubber powder discharge bucket 19-5 of the second vibratory sieve 19, then enters rubber rubber powder pulverizer 17 by the second belt conveyor 18 and pulverizes; The rubber grain that contains on a small quantity iron wire is pulverized again by entering rubber coarse crushing pulverizer 13 after circulation belt conveyor 10, recovery belt conveyor 16;
(3), the rubber grain after pulverizing in rubber rubber powder pulverizer 17 enters the second vibratory sieve 19 and sieves, after screening, the rubber rubber powder of screen cloth 19-3 below out obtains 30-32 object rubber rubber powder, iron content end hardly from thin rubber powder discharge bucket 19-6.The material of screen cloth 19-3 top, by after thick rubber powder discharge bucket 19-5, reaches the second belt conveyor 18, then gets back to rubber rubber powder pulverizer 17 and pulverizes.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just can design according to the present invention make many modifications and variations without creative work.Therefore, all technical staff in the art, all should be in by the determined protection domain of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (7)
1. a preparation method for tyre surface rubber powder, comprises that then junked tire is carried out mouthful to a circle separation, slitting, stripping and slicing pulverizes the step of magnetic separation, is characterized in that:
Pulverize the equipment of magnetic separation: comprise rubber coarse crushing pulverizer (13) and rubber rubber powder pulverizer (17), below at rubber coarse crushing pulverizer (13) and rubber rubber powder pulverizer (17) is respectively equipped with the first and second vibratory sieves (14,19), the thin rubber powder discharging opening of described the first vibratory sieve (14) is connected with compound belt conveyor (1) by the first belt conveyor (15), the coarse granule discharge bucket of described the first vibratory sieve (14) material is out got back to coarse crusher for rubber (13) by reclaiming belt conveyor (16), described compound belt conveyor (1) setting that is inclined upwardly gradually from head end to end, be provided with rubber grain discharge bucket (2) at the end of compound belt conveyor (1), be provided with the first full magnet drum (3) near mixture belt conveyor (1) end, driven cylinder (4) is in the same plane with the first full magnet drum (3), steel wire separates belt conveyor (5) and is enclosed within on the first full magnet drum (3) and driven cylinder (4) simultaneously, the head end of steel wire recovery belt conveyor (6) is positioned at the below of steel wire separation belt conveyor (5), and be provided with steel wire discharge bucket (7) at the end of described steel wire recovery belt conveyor (6), the below that described steel wire reclaims belt conveyor (6) is provided with rubber grain belt conveyor (8), the end cylinder of described rubber grain belt conveyor (8) is the second full magnet drum (11), and described rubber grain discharge bucket (2) lower end extends to the top of the head end of rubber grain belt conveyor (8), described rubber grain belt conveyor (8) end is provided with rubber discharge bucket (9), described rubber discharge bucket (9) material is out transported to rubber rubber powder pulverizer (17) by the second belt conveyor (18), the below of the end of described rubber grain belt conveyor (8) is also provided with circulation belt conveyor (10), and the end below of described circulation belt conveyor (10) is for reclaiming the head end of belt conveyor (16),
Described the second vibratory sieve (19) comprises frame (19-1), screen box (19-2), screen cloth (19-3) and vibrating motor (19-4), described screen box (19-2) is contained in frame (19-1), described screen cloth (19-3) is arranged in screen box (19-2) screen box (19-2) is divided into upper strata vibrating bin and lower floor's material cavity, the tail down of described screen box (19-2) is tilted, described frame (19-1) comprises at least two door type frames, the two ends of the lower surface of the back timber of each door type frame are equipped with two vertical plates (19-8), rotating shaft (19-9) is housed between two vertical plates (19-8), the position of the corresponding each door type frame in both sides of the base plate of described screen box (19-2) is respectively equipped with swing arm (19-10), the upper end kink of described swing arm (19-10) is in rotating shaft (19-9), the lower end of described swing arm (19-10) is connected on screen box (19-2), the front of described frame (19-1) is provided with vibrating grid (19-12), axle (19-13) is housed on described vibrating grid (19-12), one end of described axle (19-13) connects large belt wheel (19-14), the head end of described screen box (19-2) is provided with torque arm (19-7), the end of described torque arm (19-7) is enclosed within on axle (19-13), on the output shaft of described motor (19-4), be connected with small pulley (19-15), belt (19-16) is enclosed within on small pulley (19-15) and large belt wheel (19-14) simultaneously, the tail end of described screen box (19-2) is connected with the thick rubber powder discharge bucket in the upper strata being communicated with upper strata vibrating bin (19-5), position near tail end on the base plate of described screen box (19-2) is provided with thin rubber powder discharging opening, on thin rubber powder discharging opening, be connected with thin rubber powder discharge bucket (19-6), the thick rubber powder discharge bucket in upper strata (19-5) of described the second vibratory sieve (19) material out is also got back to rubber rubber powder pulverizer (17) by the second belt conveyor (18),
The processing step of described pulverizing magnetic separation is:
(1), by block tire through above-mentioned rubber coarse crushing pulverizer (13) pulverize after, obtain 8-10 object coarse granule through the first vibratory sieve (14) screening, described coarse granule is after the first belt conveyor (15), mixture belt conveyor (1), realize separating of steel wire and crude rubber particle at the end of mixture belt conveyor (1), steel wire is recovered after reclaiming belt conveyor (6) by steel wire, and crude rubber particle enters rubber grain belt conveyor (8);
(2), above-mentioned crude rubber particle carries out at the end of rubber grain belt conveyor (8) rubber grain that magnetic separation obtains pure crude rubber particle and contains on a small quantity iron wire again, pure crude rubber particle enters the thick rubber powder discharge bucket in upper strata (19-5) of the second vibratory sieve (19), then enters rubber rubber powder pulverizer (17) by the second belt conveyor (18) and pulverizes; The rubber grain that contains on a small quantity iron wire is pulverized again by entering rubber coarse crushing pulverizer (13) after circulation belt conveyor (10), recovery belt conveyor (16);
(3) rubber grain, after pulverizing in rubber rubber powder pulverizer (17) enters the second vibratory sieve (19) and sieves, and obtains 30-32 object rubber rubber powder.
2. the preparation method of tyre surface rubber powder according to claim 1, is characterized in that: described block tire is of a size of 40*40mm.
3. according to the preparation method of tyre surface rubber powder described in claim 1-2 any one, it is characterized in that: the drive roll of described compound belt conveyor (1) is positioned at end, the drive roll of described steel wire recovery belt conveyor (6) is positioned at below and the close first full magnet drum (3) of steel wire separation belt conveyor (5), the drive roll of described compound belt conveyor (1) is connected with the first full magnet drum (3) by belt, and the described first full magnet drum (3) is connected with the drive roll that steel wire reclaims belt conveyor (6) by belt; The drive roll of described circulation belt conveyor (10) is positioned at the second full magnet drum (11) below, and by same driven by motor.
4. according to the preparation method of tyre surface rubber powder described in claim 1 or 2, it is characterized in that: described rubber grain belt conveyor (8) is parallel with the circulation belt conveyor (10) that is positioned at its below.
5. according to the preparation method of tyre surface rubber powder described in claim 1 or 2, it is characterized in that: the front of described rubber grain discharge bucket (2) is provided with baffle plate (12), described baffle plate (12) is positioned at the top of rubber grain belt conveyor (8).
6. the preparation method of tyre surface rubber powder according to claim 1, it is characterized in that: the head end of the base plate of described screen box (19-2) is connected with frame type frame (19-17), between the head end plate of described frame type frame (19-17) and screen box (19-2), be connected with reinforcement (19-11), described torque arm (19-7) is positioned at the outer middle side part of the transverse beam of frame type frame (19-17).
7. rubber rubber powder production equipment according to claim 1, it is characterized in that: described vibrating grid (19-12) comprises left socle and right support, top at left socle and right support is respectively equipped with axis hole, the two ends of described axle (19-13) are set in the axis hole of left socle and right support, and one end of described axle (19-13) reaches outside vibrating grid (19-12), and large belt wheel (19-14) is housed on this external part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410219936.3A CN103978586B (en) | 2014-05-23 | 2014-05-23 | The preparation method of tyre surface rubber powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410219936.3A CN103978586B (en) | 2014-05-23 | 2014-05-23 | The preparation method of tyre surface rubber powder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103978586A true CN103978586A (en) | 2014-08-13 |
| CN103978586B CN103978586B (en) | 2016-06-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114734556A (en) * | 2022-03-22 | 2022-07-12 | 宁夏宁杰橡胶再生资源循环利用科技有限公司 | Rubber particle processing device for reclaimed rubber |
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| CN114734556A (en) * | 2022-03-22 | 2022-07-12 | 宁夏宁杰橡胶再生资源循环利用科技有限公司 | Rubber particle processing device for reclaimed rubber |
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