CN211522119U

CN211522119U - Continuous cracking equipment for whole waste tire

Info

Publication number: CN211522119U
Application number: CN201922289097.3U
Authority: CN
Inventors: 冯亚强; 李玉亮; 冯田园
Original assignee: Sunshine Electromechanical Shouguang Co ltd
Current assignee: Sunshine Electromechanical Shouguang Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-09-18
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses a continuous cracking device for whole waste tires, which comprises a primary screw conveyor, a secondary screw conveyor and a screw rod arranged in the primary screw conveyor and the secondary screw conveyor; the feeding end of the first-stage screw conveyor is provided with a whole tire feeding valve, the discharging end of the second-stage screw conveyor is provided with a carbon black continuous discharging valve, hot air coil pipes outside the first-stage screw conveyor and the second-stage screw conveyor are communicated with a hot air furnace through a hot air pipeline and a return air pipeline, the first-stage screw conveyor and the second-stage screw conveyor are communicated with the inlet end of an oil-gas cooling system through an oil-gas pipeline, and the outlet end of the oil-gas cooling system is communicated with the hot air furnace through; the utility model provides a continuous cracking device for whole waste tires, which can realize continuous feeding and cracking of whole tires and continuous industrial mass production; the device does not need nitrogen sealing, so that the phenomenon that air enters a cracking cavity or smoke leaks is avoided; the device can consume the residual non-condensable gas, and zero emission of tail gas is achieved.

Description

Continuous cracking equipment for whole waste tire

Technical Field

The utility model relates to a continuous schizolysis equipment of whole child of junked tire belongs to rubber waste schizolysis refining equipment machinery technical field.

Background

With the rapid development of society, the automobile holding amount in China is rapidly increased, and the quantity of waste tires generated each year is also rapidly increased. The annual production amount of waste tires in China is about 2.6 hundred million, nearly 950 ten thousand tons. The accumulation of a large amount of waste tires not only occupies land, pollutes the environment and harms the health of residents, but also easily causes fire, thereby causing great waste of resources and being black pollution which is more and more harmful. Therefore, disposal of used tires has become a very urgent environmental and social problem.

The disposal of the waste tires is roughly divided into 4 types: landfill, incineration, biodegradation and recycling are the most ideal methods from the viewpoint of environmental protection and energy conservation, and the cracking of waste tires is one of the most potential recycling methods. The waste tire cracking equipment in the prior art generally has the following technical problems:

1. the process of crushing and tearing is required before the tire is cracked, the whole tire cannot be cracked, a large amount of manpower and material resources are consumed, and the cracking cost is high;

2. nitrogen is needed for sealing during continuous feeding, so that the potential safety hazard of equipment is increased;

3. air can be brought into the cracking cavity and smoke in the cavity can be leaked; when feeding or material breaking occurs, the feeding hole is communicated with the inner part of the cracking cavity, and air easily enters the cracking cavity or smoke gas is leaked;

4. the residual non-condensable gas is subjected to environment-friendly treatment by desulfurization and denitrification equipment, so that the hidden danger of secondary pollution exists.

In summary, the prior art has inconvenience and defects in practical use, so it is necessary to develop a novel continuous waste tire cracking apparatus to solve the disadvantages of the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a continuous cracking device for the whole tyre of waste tyres, which can realize the continuous feeding and cracking of the whole tyre and realize the continuous industrial mass production; the device does not need nitrogen sealing, so that the phenomenon that air enters a cracking cavity or smoke leaks is avoided; the device can consume the residual non-condensable gas, thereby realizing zero emission of tail gas and no secondary pollution.

For solving the technical problem, the utility model discloses a following technical scheme:

a continuous cracking device for whole waste tires comprises a primary screw conveyor, a secondary screw conveyor and screws arranged in the primary screw conveyor and the secondary screw conveyor; the device comprises a primary screw conveyor, a secondary screw conveyor, a hot air pipe, a hot air return pipe, a primary oil-gas cooling system, a secondary oil-gas cooling system and a hot air furnace, wherein a whole tire feeding valve is installed at the feeding end of the primary screw conveyor, a carbon black continuous discharging valve is installed at the discharging end of the secondary screw conveyor, the hot air pipe is communicated with the hot air furnace through the hot air pipe and the air return pipe, the primary screw conveyor and.

Further, a non-condensable gas tank, a non-condensable gas conveying fan and a natural gas pipeline are sequentially arranged on the non-condensable gas pipeline; and the air return pipeline is provided with a general hot air circulating fan.

Furthermore, the whole tire feeding valve comprises a square valve body, a feeding hopper is installed on the upper portion of the square valve body, feeding flashboards are installed on two sides of the upper portion of the square valve body, discharging flashboards are installed on two sides of the lower portion of the square valve body, and the outer end portions of the feeding flashboards and the discharging flashboards are respectively fixedly connected with a flashboard cylinder; and flashboard sealing devices are respectively arranged between the feeding flashboard and the square valve body and between the discharging flashboard and the square valve body.

Further, a feed valve conveying air pipeline is installed on one side of the square valve body, the other end of the feed valve conveying air pipeline is communicated with an air return pipeline, a single gate plate is installed on the feed valve conveying air pipeline, and the single gate plate is driven by a gate plate cylinder.

Further, the first-stage screw conveyer comprises a first barrel, a first feed inlet is formed in the upper portion of a feed end of the first barrel, a liquefaction outlet is formed in the lower portion of a discharge end of the first barrel, a plurality of groups of first external heating hot air coil pipes which are arranged at equal intervals are mounted on the outer surface of the first barrel, a first oil and gas outlet, a first safety valve and a first safety blasting opening are formed in the upper portion of the discharge end of the first barrel, and a screw is mounted inside the first barrel.

Furthermore, the first cylinder body is designed in a segmented mode, and the middle of the first cylinder body is connected through a cylinder body flange.

Furthermore, the secondary screw conveyor comprises a second cylinder, a second feed inlet is formed in the upper portion of the feed end of the second cylinder and is connected with the liquefaction outlet of the first cylinder, a carbon black continuous discharge valve is installed at the lower portion of the discharge end of the second cylinder, a plurality of groups of second external heating hot air coil pipes are installed on the outer surface of the second cylinder, a plurality of second oil gas outlets which are arranged at equal intervals are installed at the upper portion of the second cylinder, and the second oil gas outlets are communicated with the inlet of the oil gas cooling system through oil gas pipelines; and a second safety blasting opening and a second safety valve are arranged at the upper part of the discharge end of the second cylinder, and a screw rod is arranged in the second cylinder.

Further, the screw rod comprises a screw rod body, the screw rod body is hollow, and plum blossom-shaped spiral fins are welded on the outer portion of the screw rod body.

Furthermore, the shaft heads at the two ends of the screw body are respectively provided with a rotary inlet joint and a rotary outlet joint, the rotary inlet joints are communicated with the hot air pipeline, and the rotary outlet joints are communicated with the return air pipeline.

Compared with the prior art, the utility model adopts the above technical scheme, have following advantage:

1. the whole tire can be continuously fed and cracked, the crushing and tearing process of the waste tire is not needed, the large tire and the small tire can be continuously fed into the device for cracking, the power consumed by crushing and tearing the tires can be greatly saved, and the continuous industrial mass production is realized;

2. the whole tyre feeding valve can realize continuous feeding of the whole tyre without nitrogen sealing; air brought into the cracking cavity cannot occur; when feeding or material breaking does not occur, the feed inlet is communicated with the inside, and air enters the cracking cavity or smoke gas leaks;

3. the non-condensable gas generated by the oil-gas cooling system is consumed through the hot blast stove, the heat consumed by the whole tire cracking is relatively large, the residual non-condensable gas can be completely digested and cracked, the desulfurization and denitrification equipment is not needed for carrying out environment-friendly treatment on the residual non-condensable gas, zero emission of tail gas can be realized, and the non-condensable gas has no secondary pollution;

4. the cracking efficiency is high, the whole tire can be cracked in a short time, and the daily cracked tire can reach 50-100 tons according to the size of the tire.

5. The whole tyre is cracked, and the produced carbon black and oil products have good quality.

The present invention will be described in detail with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a whole tire feed valve of the present invention;

FIG. 3 is a schematic view of the construction of the ram seal apparatus of FIG. 2;

FIG. 4 is a schematic structural view of a first-stage screw conveyor according to the present invention;

FIG. 5 is a schematic structural view of a second stage screw conveyor according to the present invention;

FIG. 6 is a schematic structural view of the screw rod of the present invention;

FIG. 7 is a side view of FIG. 6;

in the figure, 1-whole tyre feed valve, 101-feed hopper, 102-square valve body, 103-feed gate, 104-discharge gate, 105-gate sealing device, 106-gate cylinder, 107-single gate; 2-a first-stage screw conveyor, 201-a first barrel, 202-a first feeding hole, 203-a liquefaction outlet, 204-a first external heating hot air coil, 205-a first hot flue gas inlet, 206-a first hot flue gas outlet, 207-a first oil gas outlet, 208-a first safety blasting hole, 209-a first safety valve and 210-a first driving motor; 3-a second-stage screw conveyor, 301-a second barrel, 302-a second feeding hole, 303-a carbon black outlet, 304-a second external heating hot air coil pipe, 305-a second hot flue gas inlet, 306-a second hot flue gas outlet, 307-a second oil gas outlet, 308-a second safety blasting hole, 309-a second safety valve and 310-a second driving motor; 4-screw, 401-screw body, 402-plum blossom-shaped helical fin; 5-a carbon black continuous discharge valve; 6-general hot blast stove; 7-general hot air circulating fan; 8-hot air pipes; 9-return air duct; 10-a feed valve conveying air pipeline; 11-an oil and gas pipeline; 12-oil and gas cooling system; 13-noncondensable gas pipeline; 14-noncondensable gas tank; 15-non-condensable gas delivery fan; 16-natural gas pipeline.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.

Example 1 continuous cracking apparatus for whole waste tires

As shown in fig. 1, the utility model provides a continuous cracking equipment for whole tires of junked tires, which comprises a whole tire feed valve 1, a primary screw conveyor 2, a secondary screw conveyor 3 and a continuous carbon black discharge valve 5 which are sequentially communicated, a general hot-blast stove 6 and an oil-gas cooling system 12; the hot blast stove 6 is respectively communicated with hot blast coil pipes arranged outside the primary screw conveyor 2 and the secondary screw conveyor 3 through a hot blast pipeline 8 and a return air pipeline 9, wherein a general hot air circulating fan 7 is arranged on the return air pipeline 9; the inlet end of the oil-gas cooling system 12 is respectively communicated with the inner cavities of the first-stage screw conveyor 2 and the second-stage screw conveyor 3 through an oil-gas pipeline 11, the outlet end of the oil-gas cooling system 12 is communicated with the hot blast stove 6 through a non-condensable gas pipeline 13, and the non-condensable gas pipeline 13 is sequentially provided with a non-condensable gas tank 14, a non-condensable gas conveying fan 15 and a natural gas pipeline 16.

As shown in fig. 1, 2 and 3, the whole tire feed valve 1 includes a square valve body 102, a feed hopper 101 is installed on the upper portion of the square valve body 102, two telescopic movable feed gate plates 103 are installed on two sides of the upper portion of the square valve body 102, two telescopic movable discharge gate plates 104 are installed on two sides of the lower portion of the square valve body 102, outer end portions of the feed gate plates 103 and the discharge gate plates 104 are fixedly connected with a gate plate cylinder 106, and the telescopic movement of the gate plate cylinder 106 realizes the opening or closing of the feed gate plates 103 and the discharge gate plates 104; the gate plate sealing devices 105 are respectively arranged between the feeding gate plate 103 and the square valve body 102 and between the discharging gate plate 104 and the square valve body 102, and the gate plate sealing devices 105 are used for sealing the telescopic sliding position to prevent air outside the square valve body 102 from entering; a feed valve conveying air pipeline 10 with an inner cavity communicated with each other is further installed on one side of the square valve body 102, and the other end of the feed valve conveying air pipeline 10 is communicated with the return air pipeline 9; the single gate plate 107 is installed on the feed valve conveying air pipeline 10, the single gate plate 107 is driven by a gate plate air cylinder 106 and used for achieving circulation of the feed valve conveying air pipeline 10, and the feed valve conveying air pipeline 10 is used for sucking away air in an inner cavity of the square valve body 102 and preventing the air from entering an inner cavity of the primary screw conveyor 2 and influencing a cracking process.

As shown in fig. 1 and 4, the primary screw conveyor 2 includes a first cylinder 201, the first cylinder 201 is supported by a support below, the first cylinder 201 is designed in a sectional manner, the middle of the first cylinder is connected by a cylinder flange, the sectional design is convenient for internal processing and transportation, a first feed inlet 202 is arranged at the upper part of the feed end of the first cylinder 201, a whole tire feed valve 1 is arranged at the upper part of the first feed inlet 202, a liquefaction outlet 203 is arranged at the lower part of the discharge end of the first cylinder 201, and the liquefaction outlet 203 is a liquefied rubber outlet; a plurality of groups of first external heating hot air coil pipes 204 which are arranged at equal intervals are welded on the outer surface of the first barrel 201, a first hot flue gas inlet 205 is arranged at the lower part of the first external heating hot air coil pipe 204, the first hot flue gas inlet 205 is communicated with an outlet of the hot blast stove 6 through a hot air pipeline 8, a first hot flue gas outlet 206 is arranged at the upper part of the first external heating hot air coil pipe 204, and the first hot flue gas outlet 206 is communicated with the inlet of the hot blast stove 6 through a return air pipeline 9; a first oil and gas outlet 207 and a first safety blasting opening 208 are arranged at the upper part of the discharge end of the first cylinder 201, and a first safety valve 209 is arranged at the middle position of the first oil and gas outlet 207 and the first safety blasting opening 208; the first oil gas outlet 207 is communicated with an inlet of an oil gas cooling system 12 through an oil gas pipeline 11; two ends of the first cylinder 201 are respectively sealed through end covers, a screw 4 is installed inside the first cylinder 201, two ends of the screw 4 are respectively installed on the end covers, and one shaft head of the screw 4 and the first driving motor 210 are in chain transmission.

As shown in fig. 1 and fig. 5, the secondary screw conveyor 3 includes a second cylinder 301, the second cylinder 301 is supported by a support below, a second feed inlet 302 is arranged at the upper part of the feed end of the second cylinder 301, the second feed inlet 302 is connected with the liquefied outlet 203 of the first cylinder 201, a carbon black outlet 303 is arranged at the lower part of the discharge end of the second cylinder 301, and a carbon black continuous discharge valve 5 is mounted on the carbon black outlet 303; a plurality of groups of second external heating hot air coil pipes 304 which are arranged at equal intervals are welded on the outer surface of the second barrel 301, a second hot flue gas inlet 305 is arranged at the lower part of the second external heating hot air coil pipe 304, the second hot flue gas inlet 305 is communicated with an outlet of the hot blast stove 6 through a hot air pipeline 8, a second hot flue gas outlet 306 is arranged at the upper part of the second external heating hot air coil pipe 304, and the second hot flue gas outlet 306 is communicated with the inlet of the hot blast stove 6 through a return air pipeline 9; a plurality of second oil gas outlets 307 arranged at equal intervals are arranged at the upper part of the second cylinder 301, and the second oil gas outlets 307 are communicated with an inlet of an oil gas cooling system 12 through an oil gas pipeline 11; a second safety blasting port 308 and a second safety valve 309 are arranged at the upper part of the discharge end of the second cylinder 301; two end parts of the second cylinder 301 are respectively sealed through end covers, a screw 4 is installed inside the second cylinder 301, two end parts of the screw 4 are respectively installed on the end covers, and one shaft head of the screw 4 and the second driving motor 310 perform chain transmission.

As shown in fig. 6 and 7, the screw 4 includes a screw body 401, the screw body 401 is hollow, a quincunx helical fin 402 is welded outside the screw body 401, and a gap between the quincunx helical fin 402 and the inner wall of the first barrel 201 or the second barrel 301 is 3 mm, so that the advantage of the arrangement is that the diameter of the steel wire of the common steel wire cord fabric is exceeded, and meanwhile, the phenomenon of coking of the barrel wall is avoided; the outer edge of the quincunx spiral fin 402 is in a quincunx shape, so that the forward propulsion of materials can be realized, and the steel wire cords in the tire can be prevented from being squeezed between the fin and the cylinder; and the shaft heads at the two ends of the screw body 401 are respectively provided with a rotary inlet joint and a rotary outlet joint, the rotary inlet joints are communicated with the hot air pipeline 8, and the rotary outlet joints are communicated with the return air pipeline 9.

The first driving motor 210 and the second driving motor 310 are both matched with a variable frequency control system, so that speed matching can be conveniently carried out according to the size of the tire and the cracking speed.

The utility model discloses a concrete theory of operation:

the whole tire with the steel wire at the ring opening is taken out by general equipment and enters the inner cavity of the primary spiral conveyor 2 from the whole tire feeding valve 1 to realize continuous whole tire feeding, the whole tire is pushed forward by the rotating quincunx spiral fin 402, the tire is gradually liquefied by the heat from the first external heating hot air coil 204 and the screw body 401 to form liquid rubber, when the tire reaches the tail end of the primary spiral conveyor 2, the liquid rubber and the steel wire cord which naturally rolls into a ball fall into the secondary spiral conveyor 3 together, the liquid rubber enters the inner part of the secondary spiral conveyor 3 and is pushed forward by the rotating quincunx spiral fin 402, the liquid rubber is cracked and gasified by the heat from the second external heating hot air coil 304 and the screw body 401, the liquid rubber is cracked and gasified into oil gas and carbon black, when the oil gas and the carbon black reach the secondary spiral conveyor 3, oil gas enters the oil gas cooling system 12 from the second oil gas outlet 307 through the oil gas pipeline 11, and non-condensable gas generated by the oil gas cooling system 12 enters the hot blast stove 6 to be consumed under the action of the non-condensable gas conveying fan 15; the carbon black and the steel cord rolled into balls continuously enter the carbon black continuous discharging valve 5 through the carbon black outlet 303 and continuously enter the carbon black cooling and magnetic separation process.

The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.

Claims

1. The utility model provides a continuous schizolysis equipment of junked tire whole child, includes screw rod (4) of one-level auger delivery ware (2), second grade auger delivery ware (3) and both internally mounted, its characterized in that: whole child feed valve (1) is installed to one-level auger delivery (2) feed end, continuous bleeder valve (5) of carbon black is installed to second grade auger delivery (3) discharge end, the outside hot-blast coil pipe of one-level auger delivery (2) and second grade auger delivery (3) is linked together through hot-blast main (8) and return air duct (9) and hot-blast furnace (6), one-level auger delivery (2) and second grade auger delivery (3) are linked together through oil gas pipeline (11) and oil gas cooling system (12) entrance point, the exit end of oil gas cooling system (12) is linked together through noncondensable gas pipeline (13) and hot-blast furnace (6).

2. The apparatus for continuously cracking whole junked tires according to claim 1, wherein: the non-condensable gas pipeline (13) is sequentially provided with a non-condensable gas tank (14), a non-condensable gas conveying fan (15) and a natural gas pipeline (16); and a general hot air circulating fan (7) is arranged on the air return pipeline (9).

3. The apparatus for continuously cracking whole junked tires according to claim 1, wherein: the whole tire feeding valve (1) comprises a square valve body (102), a feeding hopper (101) is installed on the upper portion of the square valve body (102), feeding gate plates (103) are installed on two sides of the upper portion of the square valve body (102), discharging gate plates (104) are installed on two sides of the lower portion of the square valve body (102), and the outer end portions of the feeding gate plates (103) and the discharging gate plates (104) are respectively and fixedly connected with a gate plate cylinder (106); and gate plate sealing devices (105) are respectively arranged between the feeding gate plate (103) and the square valve body (102) and between the discharging gate plate (104) and the square valve body (102).

4. The continuous scrap tire and whole tire cracking apparatus according to claim 3, wherein: the air conditioner is characterized in that a feed valve conveying air pipeline (10) is installed on one side of the square valve body (102), the other end of the feed valve conveying air pipeline (10) is communicated with an air return pipeline (9), a single gate plate (107) is installed on the feed valve conveying air pipeline (10), and the single gate plate (107) is driven by a gate plate air cylinder (106).

5. The apparatus for continuously cracking whole junked tires according to claim 1, wherein: the one-level screw conveyor (2) comprises a first barrel (201), a first feed inlet (202) is formed in the upper portion of the feed end of the first barrel (201), a liquefaction outlet (203) is formed in the lower portion of the discharge end of the first barrel (201), a plurality of groups of first external heating hot air coil pipes (204) are arranged on the outer surface of the first barrel (201) at equal intervals, a first oil gas outlet (207), a first safety valve (209) and a first safety blasting opening (208) are formed in the upper portion of the discharge end of the first barrel (201), and a screw (4) is arranged inside the first barrel (201).

6. The apparatus for continuously cracking whole junked tires according to claim 5, wherein: the first cylinder (201) is designed in a segmented mode, and the middle of the first cylinder is connected through a cylinder flange.

7. The apparatus for continuously cracking whole junked tires according to claim 1, wherein: the two-stage screw conveyor (3) comprises a second cylinder (301), a second feeding hole (302) is formed in the upper portion of the feeding end of the second cylinder (301), the second feeding hole (302) is connected with a liquefaction outlet (203) of the first cylinder (201), a carbon black continuous discharging valve (5) is installed on the lower portion of the discharging end of the second cylinder (301), a plurality of groups of second external heating hot air coil pipes (304) are installed on the outer surface of the second cylinder (301), a plurality of second oil gas outlets (307) which are arranged at equal intervals are installed on the upper portion of the second cylinder (301), and the second oil gas outlets (307) are communicated with an inlet of an oil gas cooling system (12) through an oil gas pipeline (11); the upper part of the discharge end of the second cylinder (301) is provided with a second safety blasting port (308) and a second safety valve (309), and a screw (4) is arranged in the second cylinder (301).

8. The apparatus for continuously cracking whole junked tires according to claim 1, wherein: the screw rod (4) comprises a screw rod body (401), the interior of the screw rod body (401) is hollow, and a quincunx spiral fin (402) is welded to the exterior of the screw rod body (401).

9. The apparatus for continuously cracking whole junked tires according to claim 8, wherein: the rotary inlet joint and the rotary outlet joint are respectively arranged on the shaft heads at the two ends of the screw body (401), the rotary inlet joint is communicated with the hot air pipeline (8), and the rotary outlet joint is communicated with the return air pipeline (9).