CN114214085A - Thermal cracking reaction device for waste tires - Google Patents

Abstract

The invention discloses a waste tire thermal cracking reaction device and a thermal cracking process thereof, and relates to the technical field of waste recovery. Tire granule material pyrolysis of being heated produces noncondensable gas, will be in the inside granule material of confined space that sprue, flitch, fixed isolated plate and activity isolated plate are constituteed and get into the bottom of preventing ease bucket inner wall for the device is at whole feeding in-process, and the oil gas in the heating tank can not be followed anti-ease to the atmosphere in the feed arrangement, thereby has protected the atmospheric environment.

Description

Thermal cracking reaction device for waste tires

Technical Field

The invention relates to the technical field of waste recovery, in particular to a waste tire thermal cracking reaction device.

Background

With the development of the automobile industry, the demand of rubber products such as tires and the like is increasing day by day, and the quantity of waste tires is also increasing day by day, so that the waste tires become new solid waste pollution sources gradually. In the process of feeding the tire granules through reaction, the noncondensable gas generated by the reaction kettle can escape from the feeding position to pollute the atmospheric environment, so that a thermal cracking reaction device for waste tires and a thermal cracking process thereof, which can solve the above problems, are urgently needed.

Disclosure of Invention

The invention aims to provide a waste tire thermal cracking reaction device, which solves the problem that in the process of feeding tire granules in the background technology, noncondensable gas generated by a reaction kettle escapes from a feeding position to pollute the atmospheric environment.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a junked tire thermal cracking reaction unit, includes agitating unit, agitating unit's bottom is provided with the screening conveyer, the right side of screening conveyer is provided with the pan feeding device, the bottom of pan feeding device is provided with reaction unit, reaction unit's left side is provided with aggregate unit.

Optionally, the stirring device comprises a feeding barrel, and the inner wall of the feeding barrel is movably connected with a rotating wheel through a pin shaft.

Optionally, screening conveyer includes PMKD, the short support of right side fixedly connected with at PMKD top, there is the direction sieve groove at the top of short support through round pin axle swing joint, the bottom at direction sieve groove middle part is equidistant to be equipped with the filtration pore, there is the short connecting rod structure that shakes in the left side of direction sieve groove through round pin axle swing joint, there is the push rod short connecting rod structure's bottom through round pin axle swing joint, there is the rolling disc in the front of push rod bottom through round pin axle swing joint, the positive fixedly connected with of rolling disc rotates the dish axle, PMKD's top fixedly connected with impurity box, fixedly connected with spacing spring between the inner wall of impurity box and the direction sieve groove.

Optionally, the feeding device comprises an anti-escape barrel, a feeding soft sleeve is fixedly connected to the left side of the anti-escape barrel, an arc barrel is fixedly connected to the right side of the top of the anti-escape barrel, an arc chute is formed in the top of the inner wall of the arc barrel, a sliding block is slidably connected to the inner wall of the arc chute, a blocking block is fixedly connected to the bottom of the sliding block, a material plate is fixedly connected to the bottom of the blocking block, a material plate rotating shaft is inserted into the top of the material plate, the front surface and the back surface of the material plate rotating shaft are movably inserted into the anti-escape barrel, a fixed isolation plate is fixedly connected to the left side of the inner wall of the anti-escape barrel, a movable isolation plate is movably connected to the right side of the fixed isolation plate through a hinge, a material plate reset spring is fixedly connected between the right side of the material plate and the inner wall of the anti-escape barrel, a blocking block pull wire is fixedly connected to the top of the right side of the blocking block pull wire, and a right full-tooth gear is movably connected to the anti-escape barrel through a pin shaft, the bottom meshing of right side full-tooth gear has right half full-tooth gear, fixedly connected with insulating plate reset spring between the left side of activity insulating plate and the inner wall of preventing the ease bucket, the left side fixedly connected with insulating plate of activity insulating plate is acted as go-between, the other end that insulating plate was acted as go-between runs through and prevents the ease bucket and has left full-tooth gear through round pin axle swing joint, the bottom meshing of left side full-tooth gear has left half full-tooth gear.

Optionally, reaction unit includes the heating jar, the heating jar is run through to the bottom of preventing the ease bucket, heating jar middle part and left outside cover are equipped with the support ring, the bottom fixedly connected with support holder of support ring, the equal fixedly connected with furnace in bottom on the bottom on heating jar middle part and right side, the ring gear has been cup jointed in the left outside of heating jar, the bottom meshing of ring gear has bottom gear, bottom gear fixedly connected with driving motor, the auger has been interlude to the inner wall of heating jar, auger support and support holder fixed connection are passed through on the right side of auger, the left middle part fixedly connected with outlet duct of heating jar, the bottom fixedly connected with area on heating jar right side fills in the discharging pipe.

Optionally, the linkage device includes a wind wheel shell, a wind wheel shaft is inserted into the inner wall of the wind wheel shell, a wind wheel is sleeved on the outer side of the front side of the wind wheel shaft, a lower belt pulley is sleeved on the outer side of the back side of the wind wheel shaft, a belt is sleeved on the outer side of the lower belt pulley, an upper belt pulley, a left belt pulley and a right belt pulley are inserted into the inner wall of the belt, and a belt guide block is sleeved on the outer side of the left side of the belt.

Optionally, the short-vibration connecting rod structure comprises a short-vibration spring, the top and the bottom of the short-vibration spring are all inserted with insertion rods, the two insertion rods are respectively movably connected with the guide sieve groove and the push rod through pin shafts, the rotating disk shaft fixing support is sleeved on the outer side of the front of the rotating disk shaft, the rotating disk shaft fixing support is fixedly connected with the fixing bottom plate, and the feeding barrel is arranged at the top of the left side of the guide sieve groove.

Optionally, the other end and the guide sieve groove fixed connection of pan feeding soft cover, the top and the equal fixedly connected with in bottom of the top and the ease bucket both sides of preventing bucket fixed plate, and right full-tooth gear, right half full-tooth gear, left full-tooth gear and left half full-tooth gear respectively through round pin axle and prevent ease bucket fixed plate swing joint.

Optionally, the lower belt pulley, the upper belt pulley, the left belt pulley and the right belt pulley are all toothed belt pulleys, the belt is a toothed belt, the upper belt pulley is sleeved on the outer side of the front face of the rotating disc shaft, the left belt pulley is fixedly connected with the left half full-tooth gear, the right belt pulley is fixedly connected with the right half full-tooth gear, the belt guide block is fixedly connected with the wind wheel shell, and the bottom of the wind wheel shell penetrates through the air outlet pipe.

The cracking process of the waste tire thermal cracking reaction device comprises the following steps of S1 cleaning and airing: washing silt and oil stain on the waste tire under high pressure, and drying the washed waste tire for later use.

S2 decomposition and crushing: and moving the dried waste tire to a crushing workshop, cutting the waste tire into rubber blocks through a cutting machine, and conveying the cut rubber blocks to a crusher for crushing treatment to obtain rubber particles.

S3 magnetic separation: and conveying the crushed rubber particles to a sealed magnetic separator, separating steel wires in the waste rubber, and collecting the steel wires as a byproduct for collection treatment.

S4 thermal cracking reaction: rubber granules after the magnetic separation are carried to the pan feeding device through sealed spiral feeder, and the pan feeding device puts in the material and gets into reaction unit, moves the material from the pan feeding device to the outlet duct to can follow the discharge of area stopper discharging pipe with the slag charge, junked tire thermal cracking reaction formula is:

s5 recovery of tyre cracked oil: the noncondensable gas pumped out by the gas outlet pipe is sent into the condenser after passing through the buffer tank, a liquid oil-water mixture is formed after condensation, oil-water separation is carried out by the oil-water separation tank, the separated tire pyrolysis oil is sent to the base oil storage tank for temporary storage, and then is sent to the crude aromatic hydrocarbon oil tank in the storage tank area for storage, and the noncondensable gas which can not be condensed H2, H2S, CH4, C2H6, C3H8 and C4H10 are recovered and then stored in the noncondensable gas low-temperature condensation storage tank to be used as fuel of a combustion furnace and a heat-conducting oil furnace.

S6 carbon black recovery: the pyrolysis carbon black exists at the bottom of the pyrolysis reaction kettle in a solid state and is discharged through a slag discharging system. And cooling the carbon black by circulating cooling water in the deslagging process, wherein the cooled carbon black enters a carbon black grinder through a closed conveying gallery for deep processing, is ground into fine carbon black particles, and is packaged as a byproduct.

The invention has the technical effects and advantages that:

1. the device is when using, through pouring into the storage bucket with tire granule material, the tire granule can drive the runner and rotate when going into the storage bucket, and the runner rotates and drives tire granule material collision each other to prevent the tire granule material caking, thereby influence the pyrolysis effect.

2. Tire granule material pyrolysis of being heated produces noncondensable gas, drives the direction sieve groove and reciprocates, and the tiny particle impurity in the in-process granule material that reciprocates can drop through filtering the hole and get into the impurity box to make the device can filter the granule material at the process of pay-off, prevent that impurity from getting into the reaction of the emergence of heating jar in right and causing the interference, and then guaranteed reaction effect.

3. Because the short connecting rod structure that shakes that has that sets up, the short spring that shakes among the short connecting rod structure of shaking is followed reciprocating self of push rod and is produced deformation vibrations for the guide sieve groove is when reciprocating the vibrations by a wide margin, and the short spring that shakes drives guide sieve groove high frequency is vibrations by a small margin, and then has improved screening efficiency.

4. Tire granule material pyrolysis of being heated produces noncondensable gas, lets the periodic pulling sprue of right full tooth gear rotation act as go-between for the flitch drives inside the airtight space that the granule material got into sprue, flitch, fixed isolated plate and activity isolated plate and constitutes, thereby makes the device's feeding can the ration, thereby has ensured that the granule material reacts completely in the heating tank, can not the leftover material.

5. Tire granule material pyrolysis of being heated produces noncondensable gas, get into the sprue at the granule material, the flitch, fixed isolated board and the activity isolated board is constituteed after inside the airtight space, it acts as go-between to drive isolated board pulling activity isolated board and moves down, will be in the sprue, the flitch, the inside granule material of airtight space that fixed isolated board and activity isolated board constitute gets into the bottom of preventing ease bucket inner wall, make the device at whole feeding in-process, the oil gas in the heating tank can not be followed feeding arrangement and is turned over to the atmosphere in, thereby atmospheric environment has been protected.

6. The granule material is reacted in getting into the heating jar, and driving motor makes the heating jar can take place to rotate, and the static auger of heating jar normal running fit can prevent the carbon black adhesion after the reaction at the inner wall of heating jar.

After the device is used, the pipe plug of the discharging pipe with the plug is pulled down, and the driving motor is started to drive the bottom gear to rotate and reversely rotate so as to be matched with the packing auger to discharge carbon black from the discharging pipe with the plug.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a material inlet barrel according to the present invention;

FIG. 3 is a schematic view of a fixing base plate according to the present invention;

FIG. 4 is a schematic view of an anti-escape barrel according to the present invention;

FIG. 5 is a schematic view of a heating tank according to the present invention;

fig. 6 is a schematic view of the structure of the lower pulley of the present invention.

In the figure: 1 stirring device, 2 screening and conveying device, 3 feeding device, 4 reaction device, 5 linkage device, 11 feeding barrel, 12 rotating wheel, 21 fixed bottom plate, 22 short bracket, 23 guide sieve groove, 24 filtering hole, 25 short vibration connecting rod structure, 26 push rod, 27 rotating disc, 271 rotating disc shaft, 28 impurity box, 29 limit spring, 251 short vibration spring, 252 inserted rod, 31 escape-proof barrel, 311 feeding soft sleeve, 32 circular cylinder, 33 circular sliding groove, 34 sliding block, 35 block, 36 material plate, 37 material plate rotating shaft, 38 fixed isolation plate, 39 movable isolation plate, 361 material plate reset spring, 362 block pull wire, 363 right full-tooth gear, 364 right full-tooth gear, 391 isolation plate reset spring, 392 isolation plate pull wire, 393 left full-tooth gear, 394 left half full-tooth gear, 41 heating tank, 42 supporting ring, 43 supporting bracket, 44 furnace, 45 tooth ring, 46 bottom gear, 47 driving motor, 48 packing augers, 491 air outlet pipes, 411 discharge pipes with plugs, 51 wind wheel shells, 511 wind wheel shafts, 52 wind wheels, 53 lower belt pulleys, 54 belts, 55 upper belt pulleys, 56 left belt pulleys, 57 right belt pulleys and 58 belt guide blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

The invention provides a waste tire thermal cracking reaction device as shown in figures 1-6, which comprises a stirring device 1, wherein the stirring device 1 comprises a feeding barrel 11, and the inner wall of the feeding barrel 11 is movably connected with a rotating wheel 12 through a pin shaft.

The bottom of the stirring device 1 is provided with a screening and conveying device 2, the screening and conveying device 2 comprises a fixed bottom plate 21, the right side of the top of the fixed bottom plate 21 is fixedly connected with a short support 22, the top of the short support 22 is movably connected with a guide screen groove 23 through a pin shaft, the bottom of the middle part of the guide screen groove 23 is provided with filter holes 24 at equal intervals, the left side of the guide screen groove 23 is movably connected with a short vibration connecting rod structure 25 through a pin shaft, the short vibration connecting rod structure 25 comprises a short vibration spring 251, the top and the bottom of the short vibration spring 251 are respectively inserted with an inserted rod 252, the two inserted rods 252 are respectively and movably connected with the guide screen groove 23 and a push rod 26 through pin shafts, the outer side of the front side of a rotating disc shaft 271 is sleeved with a rotating disc shaft fixing support, the rotating disc shaft fixing support is fixedly connected with the fixed bottom plate 21, a feeding barrel 11 is arranged at the top of the left side of the guide screen groove 23, the bottom of the short vibration connecting rod structure 25 is movably connected with a push rod 26 through a pin shaft, the front of the bottom of the push rod 26 is movably connected with a rotating disc 27 through a pin shaft, the front of the rotating disc 27 is fixedly connected with a rotating disc shaft 271, the top of the fixed bottom plate 21 is fixedly connected with an impurity box 28, and a limit spring 29 is fixedly connected between the inner wall of the impurity box 28 and the guide sieve groove 23.

The right side of the screening and conveying device 2 is provided with a feeding device 3, the feeding device 3 comprises an anti-escape barrel 31, the left side of the anti-escape barrel 31 is fixedly connected with a feeding soft sleeve 311, the right side of the top of the anti-escape barrel 31 is fixedly connected with an arc barrel 32, the top of the inner wall of the arc barrel 32 is provided with an arc chute 33, the inner wall of the arc chute 33 is slidably connected with a slide block 34, the bottom of the slide block 34 is fixedly connected with a blocking block 35, the bottom of the blocking block 35 is fixedly connected with a material plate 36, the top of the material plate 36 is inserted with a material plate rotating shaft 37, the front and back of the material plate rotating shaft 37 are movably inserted with the anti-escape barrel 31, the left side of the inner wall of the anti-escape barrel 31 is fixedly connected with a fixed isolation plate 38, the right side of the fixed isolation plate 38 is movably connected with a movable isolation plate 39 through a hinge, a material plate reset spring 361 is fixedly connected between the right side of the material plate 36 and the inner wall of the anti-escape barrel 31, the top of the blocking block 35 is fixedly connected with a blocking block pull wire 362, the other end of the blocking piece pull wire 362 penetrates through the anti-escape barrel 31 and is movably connected with a right full-tooth gear 363 through a pin shaft, the bottom of the right full-tooth gear 363 is meshed with a right half-tooth gear 364, an isolation plate return spring 391 is fixedly connected between the left side of the movable isolation plate 39 and the inner wall of the anti-escape barrel 31, the left side of the movable isolation plate 39 is fixedly connected with an isolation plate pull wire 392, the other end of the isolation plate pull wire 392 penetrates through the anti-escape barrel 31 and is movably connected with a left full-tooth gear 393 through a pin shaft, the bottom of the left full-tooth gear 393 is meshed with a left half-full-tooth gear 391, the other end of the feeding soft sleeve 311 is fixedly connected with the guide sieve groove 23, the tops and the bottoms of the two sides of the anti-escape barrel 31 are fixedly connected with anti-escape barrel fixing plates, and the right full-tooth gear 363, the right full-tooth gear 364, the left full-tooth gear 393 and the left half-tooth gear 394 are respectively and are movably connected with the anti-escape barrel fixing plates through pin shafts.

The bottom of pan feeding device 3 is provided with reaction unit 4, reaction unit 4 includes heating tank 41, heating tank 41 is run through to the bottom of anti-escape bucket 31, heating tank 41 middle part and left outside cover are equipped with support ring 42, the bottom fixedly connected with support holder 43 of support ring 42, the equal fixedly connected with burner 44 in bottom and the bottom on right side in heating tank 41 middle part, toothed ring 45 has been cup jointed in the left outside of heating tank 41, toothed ring 45's bottom meshing has bottom gear 46, bottom gear 46 fixedly connected with driving motor 47, auger 48 has been cross-inserted to the inner wall of heating tank 41, auger support and support 43 fixed connection are passed through to auger 48's right side, heating tank 41 left middle part fixedly connected with outlet duct 491, the bottom fixedly connected with area stopper discharging pipe 411 on heating tank 41 right side.

The left side of the reaction device 4 is provided with a linkage device 5, the linkage device 5 comprises a wind wheel shell 51, the inner wall of the wind wheel shell 51 is inserted with a wind wheel shaft 511, the outer side of the front side of the wind wheel shaft 511 is sleeved with a wind wheel 52, the outer side of the back side of the wind wheel shaft 511 is sleeved with a lower belt pulley 53, the outer side of the lower belt pulley 53 is sleeved with a belt 54, the inner wall of the belt 54 is inserted with an upper belt pulley 55, a left belt pulley 56 and a right belt pulley 57, the outer side of the left side of the belt 54 is sleeved with a belt guide block 58 and the lower belt pulley 53, the upper belt pulley 55, the left belt pulley 56 and the right belt pulley 57 are all toothed belt pulleys, the belt 54 is a toothed belt, the upper belt pulley 55 is sleeved on the outer side of the front face of the rotating disc shaft 271, the left belt pulley 56 is fixedly connected with the left half full-tooth gear 394, the right belt pulley 57 is fixedly connected with the right half full-tooth gear 364, the belt guide block 58 is fixedly connected with the wind wheel shell 51, and the bottom of the wind wheel shell 51 penetrates through the air outlet pipe 491.

The cracking process of the waste tire thermal cracking reaction device comprises the following steps of S1 cleaning and airing: washing silt and oil stain on the waste tire under high pressure, and drying the washed waste tire for later use.

S2 decomposition and crushing: and moving the dried waste tire to a crushing workshop, cutting the waste tire into rubber blocks through a cutting machine, and conveying the cut rubber blocks to a crusher for crushing treatment to obtain rubber particles.

S3 magnetic separation: and conveying the crushed rubber particles to a sealed magnetic separator, separating steel wires in the waste rubber, and collecting the steel wires as a byproduct for collection treatment.

S4 thermal cracking reaction: rubber granules after the magnetic separation are carried to pan feeding device 3 through sealed spiral feeder, and 3 input materials of pan feeding device get into reaction unit 4, move the material from pan feeding device 3 to outlet duct 491 to can discharge slag charge from area stopper discharging pipe 411, the junked tire thermal cracking reaction formula is:

s5 recovery of tyre cracked oil: the noncondensable gas pumped out by the gas outlet pipe 491 passes through the buffer tank and then is sent into the condenser, a liquid oil-water mixture is formed after condensation, oil-water separation is carried out by the oil-water separation tank, the separated tire cracked oil is sent to the base oil storage tank for temporary storage, and then is sent into the crude aromatic hydrocarbon oil tank in the storage tank area for storage, and the noncondensable gas which can not be condensed H2, H2S, CH4, C2H6, C3H8 and C4H10 are recovered and then stored in the noncondensable gas low-temperature condensation storage tank to be used as fuel of the combustion furnace 44 and the heat-conducting oil furnace.

S6 carbon black recovery: the pyrolysis carbon black exists at the bottom of the pyrolysis reaction kettle in a solid state and is discharged through a slag discharging system. And cooling the carbon black by circulating cooling water in the deslagging process, wherein the cooled carbon black enters a carbon black grinder through a closed conveying gallery for deep processing, is ground into fine carbon black particles, and is packaged as a byproduct.

The heat generated by the burner 44 is transferred to the tire granules on the inner wall of the heating tank 14 by using the heating tank 14 as a conductor, the tire granules are heated and cracked to generate non-condensable gas, and the oil gas is discharged from the gas outlet pipe 491 to enter the downward moving process.

When the oil gas is discharged from the air outlet pipe 491, the wind wheel 52 is driven to rotate, the wind wheel 52 rotates to drive the lower belt pulley 53 to rotate through the wind wheel shaft 511, and the lower belt pulley 53 rotates to drive the belt 54 to drive the upper belt pulley 55, the left belt pulley 56 and the right belt pulley 57 to rotate.

When the device is in use and the oil gas is not enough to drive the wind wheel 52 to rotate, the rotating disc 27 can be manually rotated temporarily, so that the rotating disc 27 drives the upper belt wheel 55 to rotate, and the belt 54 is driven to transmit.

The device is when using, through pouring into charging bucket 11 with the tire granule material, the tire granule can drive runner 12 and rotate when going into charging bucket 11, and runner 12 rotates and drives the tire granule material and collide each other to prevent the tire granule material caking, thereby influence the pyrolysis effect.

Tire granule material falls into direction sieve groove 23 through the direction of income storage bucket 11, because last belt pulley 55 rotates and drives the rolling disc 27 through rolling disc axle 271 and rotate, rolling disc 27 drives push rod 26 and reciprocates, push rod 26 reciprocates and drives direction sieve groove 23 through short shake connecting rod structure 25 and reciprocate, make direction sieve groove 23 inner wall granule material can receive vibrations and gravity combined action, move rightwards, and the tiny particle impurity in the in-process granule material that reciprocates can drop through filtering hole 24 and get into impurity box 28, thereby make the device can filter the granule material at the process of pay-off, prevent that impurity from getting into heating tank 41 in to the reaction of emergence cause the interference, and then guaranteed reaction effect.

Because the short connecting rod structure 25 that shakes that has that sets up, the short spring 251 that shakes among the short connecting rod structure 25 follows reciprocating self of push rod 26 and produces deformation vibrations for guide sieve groove 23 is when reciprocating by a wide margin, and the short spring 251 that shakes drives guide sieve groove 23 high frequency small amplitude vibrations, and then has improved screening efficiency.

The granules are guided by the guide sieve groove 23 and enter the feeding soft sleeve 311.

When the right belt pulley 57 rotates, the right half full-tooth gear 364 is driven to rotate, the right half full-tooth gear 364 periodically drives the right full-tooth gear 363 to rotate, the right full-tooth gear 363 periodically drives the blocking block pull wire 362 to enable the blocking block pull wire 362 to pull the blocking block 35, the blocking block 35 rotates by taking the material plate rotating shaft 37 as an original point under the matching of the circular arc sliding groove 33 and the sliding block 34, meanwhile, the material plate 36 rotates to the level of the material plate 36 along with the blocking block 35, the particle materials on the inner wall of the feeding soft sleeve 311 can fall on the top of the material plate 36, when the blocking block pull wire 362 is not pulled by the right full-tooth gear 363, the material plate reset spring 361 resets the blocking block 35, and the material plate 36 drives the particle materials to enter the closed space formed by the blocking block 35, the material plate 36, the fixed isolation plate 38 and the movable isolation plate 39.

So that the feeding of the device can be quantified, thereby ensuring that the particle materials are completely reacted in the heating tank 41 and no residual materials exist.

At this moment, the rotating left belt pulley 56 drives the left half full-tooth gear 394 to periodically rotate, the left half full-tooth gear 394 periodically rotates to drive the left full-tooth gear 393 to rotate, the left full-tooth gear 393 pulls the isolation plate pull wire 392, the isolation plate pull wire 392 pulls the movable isolation plate 39 to move downwards, the left full-tooth gear 393 is positioned at the blocking block 35, the material plate 36, the particle material inside the closed space formed by the fixed isolation plate 38 and the movable isolation plate 39 enters the bottom of the inner wall of the anti-escape barrel 31, the particle material enters the heating tank 41 through the guide of the anti-escape barrel 31, the device is in the whole feeding process, oil gas in the heating tank 41 cannot escape to the atmosphere from the feeding device, and the atmospheric environment is protected.

The granule material is reacted in getting into heating jar 41, and driving motor 47 drives bottom gear 46 and rotates forward, and bottom gear 46 drives ring gear 45 and rotates, cooperates support ring 42 again for heating jar 41 can take place to rotate, and the static auger 48 of heating jar 41 normal running fit can prevent the adhesion of the carbon black after the reaction at the inner wall of heating jar 41.

After the device is used, the plug of the plug discharge pipe 411 is pulled off, and the driving motor 47 is started to drive the bottom gear 46 to rotate and rotate in the reverse direction, so that the packing auger 48 can be matched to discharge carbon black from the plug discharge pipe 411.

Claims (10)

1. The utility model provides a junked tire thermal cracking reaction unit, includes agitating unit (1), its characterized in that: the bottom of stirring device (1) is provided with screening conveyer (2), the right side of screening conveyer (2) is provided with pan feeding device (3), the bottom of pan feeding device (3) is provided with reaction unit (4), the left side of reaction unit (4) is provided with aggregate unit (5).

2. The thermal cracking reaction device for waste tires according to claim 1, characterized in that: the stirring device (1) comprises a feeding barrel (11), and the inner wall of the feeding barrel (11) is movably connected with a rotating wheel (12) through a pin shaft.

3. The thermal cracking reaction device for waste tires according to claim 1, characterized in that: the screening and conveying device (2) comprises a fixed bottom plate (21), a short bracket (22) is fixedly connected to the right side of the top of the fixed bottom plate (21), the top of the short support (22) is movably connected with a guide sieve groove (23) through a pin shaft, the bottom of the middle part of the guide sieve groove (23) is provided with filter holes (24) at equal intervals, the left side of the guide sieve groove (23) is movably connected with a short vibration connecting rod structure (25) through a pin shaft, the bottom of the short vibration connecting rod structure (25) is movably connected with a push rod (26) through a pin shaft, the front surface of the bottom of the push rod (26) is movably connected with a rotating disc (27) through a pin shaft, the front surface of the rotating disc (27) is fixedly connected with a rotating disc shaft (271), the top of the fixed bottom plate (21) is fixedly connected with a foreign body box (28), and a limiting spring (29) is fixedly connected between the inner wall of the impurity box (28) and the guide sieve groove (23).

4. The thermal cracking reaction device for waste tires according to claim 1, characterized in that: the feeding device (3) comprises an anti-escape barrel (31), a feeding soft sleeve (311) is fixedly connected to the left side of the anti-escape barrel (31), an arc barrel (32) is fixedly connected to the right side of the top of the anti-escape barrel (31), an arc chute (33) is formed in the top of the inner wall of the arc barrel (32), a sliding block (34) is slidably connected to the inner wall of the arc chute (33), a blocking block (35) is fixedly connected to the bottom of the sliding block (34), a material plate (36) is fixedly connected to the bottom of the blocking block (35), a material plate rotating shaft (37) is inserted into the top of the material plate (36), the front and the back of the material plate rotating shaft (37) are movably inserted into the anti-escape barrel (31), a fixed isolation plate (38) is fixedly connected to the left side of the inner wall of the anti-escape barrel (31), and a movable isolation plate (39) is movably connected to the right side of the fixed isolation plate (38) through a hinge, a flitch reset spring (361) is fixedly connected between the right side of the flitch (36) and the inner wall of the anti-escape barrel (31), the top of the right side of the block (35) is fixedly connected with a block pull wire (362), the other end of the block pull wire (362) penetrates through the anti-escape barrel (31) and is movably connected with a right full-tooth gear (363) through a pin shaft, the bottom of the right full-tooth gear (363) is engaged with a right half full-tooth gear (364), an isolation plate return spring (391) is fixedly connected between the left side of the movable isolation plate (39) and the inner wall of the anti-escape barrel (31), the left side of the movable isolation plate (39) is fixedly connected with an isolation plate pull wire (392), the other end of the isolation plate stay wire (392) penetrates through the anti-escape barrel (31) and is movably connected with a left full-tooth gear (393) through a pin shaft, the bottom of the left full-tooth gear (393) is meshed with a left half full-tooth gear (394).

5. The thermal cracking reaction device for waste tires according to claim 4, characterized in that: reaction unit (4) is including heating jar (41), heating jar (41) is run through to the bottom of preventing ease bucket (31), heating jar (41) middle part and the left outside cover are equipped with support ring (42), the bottom fixedly connected with support holder (43) of support ring (42), the equal fixedly connected with furnace (44) in bottom and the bottom on right side in heating jar (41) middle part, tooth ring (45) have been cup jointed in the left outside of heating jar (41), the bottom meshing of tooth ring (45) has bottom gear (46), bottom gear (46) fixedly connected with driving motor (47), auger (48) have been worn to insert by the inner wall of heating jar (41), auger support and support holder (43) fixed connection are passed through to the right side of auger (48), heating jar (41) left middle part fixedly connected with outlet duct (491), the bottom on the right side of the heating tank (41) is fixedly connected with a discharge pipe (411) with a plug.

6. The thermal cracking reaction device for waste tires according to claim 1, characterized in that: linkage (5) include wind wheel shell (51), wind wheel axle (511) have been alternate to the inner wall of wind wheel shell (51), wind wheel (52) have been cup jointed in the positive outside of wind wheel axle (511), lower part belt pulley (53) have been cup jointed in the outside at wind wheel axle (511) back, the outside cover of lower part belt pulley (53) is equipped with belt (54), belt (54) have been alternate to the inner wall of belt (54) and have been gone up band pulley (55), left belt pulley (56) and right belt pulley (57), the left outside cover of belt (54) is equipped with belt guide block (58).

7. The thermal cracking reaction device for waste tires according to claim 3, characterized in that: the short-vibration connecting rod structure (25) comprises a short-vibration spring (251), inserting rods (252) are inserted into the top and the bottom of the short-vibration spring (251) in a penetrating mode, the two inserting rods (252) are movably connected with a guide sieve groove (23) and a push rod (26) through pin shafts respectively, a rotating disk shaft fixing support is sleeved on the outer side of the front face of a rotating disk shaft (271), the rotating disk shaft fixing support is fixedly connected with a fixing bottom plate (21), and the feeding barrel (11) is arranged at the top of the left side of the guide sieve groove (23).

8. The thermal cracking reaction device for waste tires according to claim 4, characterized in that: the other end and the direction sieve groove (23) fixed connection of pan feeding soft cover (311), the top and the equal fixedly connected with in bottom of the both sides of anti-ease bucket (31) prevent ease bucket fixed plate, and right full-tooth gear (363), right half full-tooth gear (364), left full-tooth gear (393) and left half full-tooth gear (394) respectively through round pin axle and anti-ease bucket fixed plate swing joint.

9. The thermal cracking reaction device for waste tires according to claim 6, characterized in that: the wind wheel comprises a lower belt pulley (53), an upper belt pulley (55), a left belt pulley (56) and a right belt pulley (57), wherein the lower belt pulley (53), the upper belt pulley (55), the left belt pulley (56) and the right belt pulley (57) are toothed belt pulleys, the upper belt pulley (55) is sleeved on the outer side of the front face of a rotating disc shaft (271), the left belt pulley (56) is fixedly connected with a left half full-tooth gear (394), the right belt pulley (57) is fixedly connected with a right half full-tooth gear (364), a belt guide block (58) is fixedly connected with a wind wheel shell (51), and a gas outlet pipe (491) is penetrated through the bottom of the wind wheel shell (51).

10. The cracking process of the thermal cracking reaction device for junked tires according to any one of claims 1 to 9, wherein: the method comprises the following steps:

s1 cleaning and airing: washing silt and oil stain on the waste tire under high pressure, and drying the washed waste tire for later use;

s2 decomposition and crushing: and moving the dried waste tire to a crushing workshop, cutting the waste tire into rubber blocks through a cutting machine, and conveying the cut rubber blocks to a crusher for crushing treatment to obtain rubber particles.

S3 magnetic separation: conveying the crushed rubber particles to a sealed magnetic separator, separating steel wires in the waste rubber, and collecting the steel wires as a byproduct for collection;

s4 thermal cracking reaction: rubber granules after the magnetic separation are carried to pan feeding device (3) through sealed screw feeder, and in pan feeding device (3) input material got into reaction unit (4), move the material from pan feeding device (3) to outlet duct (491) to can discharge slag charge from area stopper discharging pipe (411), junked tire thermal cracking reaction formula is:

s5 recovery of tyre cracked oil: the noncondensable gas pumped out from the gas outlet pipe (491) passes through a buffer tank and then is sent into a condenser, a liquid oil-water mixture is formed after condensation, oil-water separation is carried out through an oil-water separation tank, the separated tire cracked oil is sent to a base oil storage tank for temporary storage, and then is sent to a crude aromatic hydrocarbon oil tank in a storage tank area for storage, and the noncondensable gas H2, H2S, CH4, C2H6, C3H8 and C4H10 which cannot be condensed are recovered and then stored in a noncondensable gas low-temperature condensation storage tank to be used as fuel of a combustion furnace (44) and a heat-conducting oil furnace;

s6 carbon black recovery: the pyrolysis carbon black exists at the bottom of the pyrolysis reaction kettle in a solid state and is discharged through a slag discharging system. And cooling the carbon black by circulating cooling water in the deslagging process, wherein the cooled carbon black enters a carbon black grinder through a closed conveying gallery for deep processing, is ground into fine carbon black particles, and is packaged as a byproduct.

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