CN219063483U - Rubber pyrolysis recovery unit - Google Patents

Abstract

The utility model discloses a rubber pyrolysis recovery device which comprises a feeding device, a heating device, a stirring device, a condensing device, an auxiliary combustion chamber and a filtering device, wherein a sealing cover, a condensing pipe, the auxiliary combustion chamber and the filtering device are arranged, so that waste gas after pyrolysis cannot run out of the feeding device, condensation is carried out to further decompose and filter, combustion is carried out in the auxiliary combustion chamber, the waste gas is fully utilized, and finally the waste gas is discharged to the atmosphere through the filtering device, so that the waste gas is fully utilized and pollution is reduced. Through setting up the board and the spring that open and shut for the spring stretches when rubber drops, and the board downward sloping that opens and shuts makes rubber drop, and the rubber drops the back that finishes, and the spring pulls back the board that opens and shuts, makes the waste gas after the rubber pyrolysis can not follow broken intracavity and run out polluted air, protects broken roller simultaneously.

Description

Rubber pyrolysis recovery unit

Technical Field

The utility model relates to the technical field of rubber recovery, in particular to a rubber pyrolysis recovery device.

Background

The rubber is a high-elasticity polymer material with reversible deformation, is elastic at room temperature, can generate larger deformation under the action of small external force, can recover the original shape after the external force is removed, belongs to a completely amorphous polymer, has low glass transition temperature and large molecular weight, and needs to be subjected to hot melting treatment after being recovered, and has a high glass transition temperature and a high molecular weight.

Patent CN201921592903.8 discloses a rubber is retrieved and is used hot melt equipment, this equipment is through interior case, outer case, heater strip, temperature sensor, landing leg, standpipe, inlet pipe, motor, crushing axle, first blade, second blade, (mixing) shaft, stirring frame, stirring leaf, discharging pipe and valve cooperate, possess and smash rubber in advance, melt the in-process and stir rubber, be heated even advantage, solved current rubber hot melt equipment and do not have the function of smashing rubber in advance.

However, the equipment does not treat the waste gas generated after the pyrolysis of the rubber, but simply pulverizes and melts the rubber, and the treatment operation can be performed by simply melting the rubber, but the waste gas generated after the melting has a great influence on the environment and also causes the waste of resources.

Disclosure of Invention

The utility model aims to solve the problems of waste gas treatment and uneven pyrolysis of rubber pyrolysis recovery, and provides a rubber pyrolysis recovery device.

A rubber pyrolysis recovery device comprises

The pyrolysis cavity is of a double-layer structure, the outer layer is a shell, and the inner layer is a heating cavity; a gap is arranged between the shell and the heating cavity;

a feeding device is arranged on the outer side of the shell; the feeding device comprises a feeding hole, a crushing cavity and a first motor;

a sealing cover is arranged between the feeding hole and the crushing cavity through threads;

the crushing cavity is arranged below the feed inlet; the bottom of the crushing cavity is communicated with the heating cavity; a left crushing roller and a right crushing roller are rotatably arranged in the crushing cavity in parallel; one side shafts of the left crushing roller and the right crushing roller penetrate through the crushing cavity; the shaft end of the left crushing roller is sleeved with a first driven sprocket; the right crushing roller is sleeved with a second driven sprocket;

the first motor is arranged outside the shell; the output end of the first motor is sleeved with a driving sprocket;

the first driven sprocket, the second driven sprocket and the driving sprocket are in transmission connection through a chain; the chain is sleeved on the driving chain wheel and the second driven chain wheel; the chain outer ring is matched with the bottom of the first driven sprocket;

the bottom of the crushing cavity is rotatably provided with an opening plate through a rotating shaft; the front end of the opening plate is connected with the top of the heating cavity through a spring;

the heating device comprises a heating end and a heating pipe; the heating end is arranged on the outer side wall of the pyrolysis cavity; the heating pipe penetrates through the shell and surrounds the outer side wall of the heating cavity;

the stirring device comprises a second motor and a stirring paddle; the second motor is arranged in the middle of the upper side wall of the pyrolysis cavity; the second motor output end penetrates through the shell and is positioned in the heating cavity; the output end of the second motor is connected with the stirring paddle through a coupler; the stirring paddle is vertically and rotatably arranged in the middle of the heating cavity;

the condensing cavity is arranged outside the pyrolysis cavity; a condensing device is arranged in the condensing cavity;

the oil storage cavity is positioned at the bottom of the condensing cavity;

the upper end of the condensing device passes through the shell to be communicated with the upper part of the heating cavity, and the other end of the condensing device passes through the condensing cavity to be communicated with the upper part of the oil storage cavity;

the auxiliary combustion chamber is positioned at the bottom of the pyrolysis chamber; a baffle plate is arranged at the top of the auxiliary combustion chamber and used for placing the heating chamber; a filtering device and an air inlet valve are arranged outside the auxiliary combustion chamber;

the auxiliary combustion chamber is respectively communicated with the oil storage chamber and the filtering device through a one-way ventilation valve.

Further, the stirring paddles are arranged in a spiral structure; the stirring paddle blades are arranged in a multi-section structure.

Further, a discharge hole with a valve is arranged at the bottom of the side wall of the heating cavity; the discharge port penetrates through the shell and is communicated with the outside.

Further, the condensing device is arranged as a condensing pipe; the condensing tube main body is arranged in the condensing cavity; the air inlet of the condensing tube is communicated with the heating cavity; the output end of the condensing tube is communicated with the oil storage cavity; and the side wall of the condensation cavity is provided with a ventilating fan.

Further, an oil outlet with a valve is arranged on the side wall of the oil storage cavity.

Further, the one-way vent valve is made of fireproof materials.

Further, a filter material is arranged in the filter device; the filter material consists of filter cloth, a filter screen, a filter felt, a filter pad, a filter membrane and a hard porous filter material.

The beneficial effects of the utility model are as follows:

1. through setting up sealed lid, condenser pipe, supplementary burning chamber and filter equipment for waste gas after the pyrolysis can not follow feed arrangement and run out, then condense further decomposition and filtration, burn in supplementary burning intracavity afterwards, make full use of, rethread filter equipment discharges to the atmosphere at last, realizes make full use of and reduce pollution to waste gas.

2. Through setting up the board and the spring that open and shut for the spring stretches when rubber drops, and the board downward sloping that opens and shuts makes rubber drop, and the rubber drops the back that finishes, and the spring pulls back the board that opens and shuts, makes the waste gas after the rubber pyrolysis can not follow broken intracavity and run out polluted air, protects broken roller simultaneously.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a heating, condensing and stirring device according to the present utility model;

FIG. 3 is an enlarged view at A;

in the figure, 1, a pyrolysis cavity; 11. a feeding device; 111. a feed inlet; 112. a crushing cavity; 113. a left crushing roller; 113-1, a first driven sprocket; 114. a right crushing roller; 114-1, a second driven sprocket; 115. a first motor; 115-1, a drive sprocket; 116. a chain; 117. sealing cover; 118. an opening plate; 118-1, springs; 12. a heating device; 121. a heating end; 122. heating pipes; 13. a stirring device; 131. a second motor; 132. stirring paddles; 14. a housing; 15. a heating chamber; 151. a discharge port; 2. a condensing chamber; 21. a condensing device; 211. a condensing tube; 22. a ventilator; 3. an oil storage chamber; 31. an oil outlet; 4. an auxiliary combustion chamber; 41. a filtering device; 42. a baffle; 43. an intake valve; 5. a one-way vent valve.

Detailed Description

Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.

It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.

Example 1

As shown in FIGS. 1 to

A rubber pyrolysis recovery device comprises

The pyrolysis device comprises a pyrolysis cavity 1, wherein the pyrolysis cavity 1 is of a double-layer structure, the outer layer is a shell 14, and the inner layer is a heating cavity 15; by arranging the double-layer structure, the heating cavity is not contacted with the outside, and the damage to the false touch of a worker is avoided;

a gap is arranged between the shell 14 and the heating cavity 15; by providing a gap, a heating device can be installed;

a feeding device 11 is arranged outside the shell 14; by arranging the feeding device 11, the rubber can be crushed and then pyrolyzed, so that the pyrolysis is more sufficient;

the feeding device 11 comprises a feeding hole 111, a crushing cavity 112 and a first motor 115;

a sealing cover 117 is arranged between the feeding hole 111 and the crushing cavity 112 through threads; by providing the sealing cover 117, the exhaust gas can be prevented from diffusing out of the polluted air from the feed port 111;

the crushing cavity 112 is arranged below the feed inlet 111; the bottom of the crushing cavity 112 is communicated with the heating cavity 15; by the arrangement of the scheme, the crushed rubber can directly enter the heating cavity 15;

a left crushing roller 113 and a right crushing roller 114 are rotatably arranged in the crushing cavity 112 in parallel; by setting the scheme, the rubber can be crushed;

the left crushing roller 113 and the right crushing roller 114 are provided with a side shaft penetrating through the crushing cavity 112; by providing the above described solution, the crushing device can be driven by the first motor 115;

the shaft end of the left crushing roller 113 is sleeved with a first driven sprocket 113-1; the right crushing roller 114 is sleeved with a second driven sprocket 114-1; the first motor 115 is disposed outside the housing 14; the output end of the first motor 115 is sleeved with a driving sprocket 115-1; the first driven sprocket 113-1, the second driven sprocket 114-1 and the driving sprocket 115-1 are in transmission connection through a chain 116; the chain 116 is sleeved on the driving chain wheel 115-1 and the second driven chain wheel 114-1; the outer ring of the chain 116 is matched with the bottom of the first driven sprocket 113-1; specifically, the first motor 115 rotates counterclockwise; by the arrangement of the scheme, when the first motor 115 rotates anticlockwise, the chain 116 rotates anticlockwise at the same time, the first driven sprocket 113-1 rotates clockwise due to the fact that the outer side of the chain 116 is matched with the bottom of the first driven sprocket 113-1, meanwhile, the second driven sprocket 114-1 also rotates anticlockwise due to the fact that the chain 116 is sleeved on the second driven sprocket 114-1, and therefore the first driven sprocket 113-1 and the second driven sprocket 114-1 can rotate inwards at the same time, and extrusion crushing of rubber is achieved;

an opening plate 118 is rotatably arranged at the bottom of the crushing cavity 112 through a rotating shaft; the front end of the opening and closing plate 118 is connected with the top of the heating cavity 15 through a spring 118-1; by the arrangement of the scheme, the spring 118-1 is lengthened when the rubber falls, the opening and closing plate 118 is inclined downwards, so that the rubber falls, after the rubber falls, the spring 118-1 pulls back the opening and closing plate 118, so that waste gas generated after the pyrolysis of the rubber cannot escape from the crushing cavity 112 to pollute the air, and meanwhile, the crushing roller is protected;

a discharge hole 151 with a valve is arranged at the bottom of the side wall of the heating cavity 15; the discharge hole 151 penetrates through the shell 14 and is communicated with the outside; by setting the scheme, the materials can be obtained after pyrolysis is finished;

a heating device 12, wherein the heating device 12 comprises a heating end 121 and a heating pipe 122; the heating end 121 is arranged on the outer side wall of the pyrolysis cavity 1; the heating pipe 122 passes through the shell 14 and surrounds the outer side wall of the heating cavity 15; specifically, the heating end 121 is configured to be electrically heated, and the heating cavity 15 is heated by energizing the heating tube 122; by the arrangement of the scheme, the heating cavity 15 is uniformly heated, and the phenomenon of overlarge temperature difference is avoided;

a stirring device 13, wherein the stirring device 13 comprises a second motor 131 and a stirring paddle 132; the second motor 131 is arranged in the middle of the upper side wall of the pyrolysis cavity 1; the output end of the second motor 131 penetrates through the shell 14 and is positioned in the heating cavity 15; the output end of the second motor 131 is connected with the stirring paddle 132 through a coupler; the stirring paddle 132 is vertically and rotatably arranged in the middle of the heating cavity 15; the stirring paddle 132 is arranged in a spiral structure; the blades of the stirring paddle 132 are arranged in a multi-section structure; specifically, the rotation direction of the stirring paddle 132 rotates towards the obtuse angle direction of the fan blade, and by setting the scheme, when the stirring paddle 132 rotates, the bottom rubber is driven to move upwards, so that the rubber is uniformly stirred; by arranging the stirring device 13, the rubber can be stirred, so that the rubber is heated uniformly, and the condition that one end starts pyrolysis and the other end is not heated yet is avoided;

a condensation chamber 2, wherein the condensation chamber 2 is arranged outside the pyrolysis chamber 1; a condensing device 21 is arranged in the condensing cavity 2; the condensing device 21 is arranged as a condensing tube 211; the main body of the condensation pipe 211 is arranged in the condensation cavity 2; the air inlet of the condensing tube 211 is communicated with the heating cavity 15; the output end of the condensing tube 211 is communicated with the oil storage cavity 3; the side wall of the condensation cavity 2 is provided with a ventilator 22; by setting the scheme, the oil-gas mixture generated by pyrolysis is condensed through the condensing pipe, so that noncondensable gas and condensed oil are separated, and the full utilization of waste gas is realized;

the oil storage cavity 3 is positioned at the bottom of the condensation cavity 2; an oil outlet 31 with a valve is arranged on the side wall of the oil storage cavity 3; the upper end of the condensing device 21 passes through the shell 14 to be communicated with the upper part of the heating cavity 15, and the other end passes through the condensing cavity 2 to be communicated with the upper part of the oil storage cavity 3; by the arrangement of the scheme, the condensed oil is stored in the oil storage cavity 3 and can be recycled;

an auxiliary combustion chamber 4, wherein the auxiliary combustion chamber 4 is positioned at the bottom of the pyrolysis chamber 1; a baffle plate 42 is arranged at the top of the auxiliary combustion chamber 4 and used for placing the heating chamber 15; a filter device 41 and an air inlet valve 43 are arranged outside the auxiliary combustion chamber 4;

the auxiliary combustion chamber 4 is respectively communicated with the oil storage chamber 3 and the filtering device 41 through a one-way ventilation valve 5; the one-way vent valve 5 is made of fireproof materials; by setting the above scheme, the condensed non-condensable gas enters the auxiliary combustion chamber 4, and the air is injected into the auxiliary combustion chamber through the air inlet valve 43 to be mixed with the non-condensable gas for auxiliary combustion, so that the auxiliary heating of the heating chamber 15 is realized, the further utilization of the waste gas can be realized, and the burnt waste gas can enter the filtering device 41 for further filtering;

a filter material is arranged in the filter device 41; the filter material consists of filter cloth, a filter screen, a filter felt, a filter pad, a filter membrane and a hard porous filter material;

in the scheme, the filter cloth is made of natural fibers or synthetic fibers. The filtering performance of the filter cloth is determined by the texture of the material fiber and the post-treatment processing, and has good filtering characteristics; the filter screen is mainly made of metal, such as stainless steel, brass and nickel-copper alloy, and has the characteristics of high temperature resistance, wear resistance, corrosion resistance and easy cleaning; the filter felt is formed by irregularly and densely arranging synthetic fibers or wool fibers, so that the advantages of corrosion resistance, mildew resistance and good particle retention performance are realized; the filter pad is a filter medium made of asbestos and cellulose, and has the property of treating fine particles; the filter membrane is a membrane made of cellulose ester, polyvinyl chloride, polyethylene or polytetrafluoroethylene, and has the characteristic of high filter precision; the hard porous filtering material comprises porous ceramics, metal ceramics, porous sintered plastics and the like, has the characteristics of corrosion resistance and high temperature resistance, and can avoid being corroded by waste gas.

The working mode of the device

Firstly, rubber of which iron wires are taken out is put into a feed inlet 111, a first motor 115 is started, a left crushing roller 113 and a right crushing roller 114 are synchronously started and rotated inwards, the rubber is extruded and pushed inwards, the rubber falls on an opening and closing plate 118, a spring 118-1 is lengthened, the opening and closing plate 118 inclines downwards, the rubber falls into a heating cavity 15, a second motor 131 is started, a stirring paddle 132 starts to rotate, a heating end 121 is started, a heating pipe 122 starts to heat, the heating cavity 15 heats, the stirring paddle 132 simultaneously stirs the rubber, stirring is achieved, uniform stirring is achieved, then an oil mixture produced by pyrolysis is achieved, wherein gas, particularly hydrogen, methane, ethane, carbon monoxide and the like, enters a condensation pipe 211, condensation is achieved under the action of a ventilator 22, then the condensed oil falls into an oil storage cavity 3, then can be taken out through an oil outlet 31, non-condensable gas enters an auxiliary combustion cavity 4 through a one-way valve 5, air enters from an air inlet valve 43 and is mixed with non-condensable gas, then the auxiliary heating cavity 15 is enabled to conduct auxiliary heating, recycling of waste gas is achieved, and then the waste gas after combustion enters a one-way ventilation filter 41 through an auxiliary combustion cavity 4, and the side wall of the auxiliary combustion cavity 5 passes through a ventilation valve 5, and then the ventilation filter 41 is discharged to a filter device.

The foregoing examples merely illustrate specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims (7)

1. The utility model provides a rubber pyrolysis recovery unit which characterized in that: comprising

The pyrolysis device comprises a pyrolysis cavity (1), wherein the pyrolysis cavity (1) is of a double-layer structure, the outer layer is a shell (14), and the inner layer is a heating cavity (15); a gap is arranged between the shell (14) and the heating cavity (15);

a feeding device (11) is arranged outside the shell (14); the feeding device (11) comprises a feeding hole (111), a crushing cavity (112) and a first motor (115);

a sealing cover (117) is arranged between the feeding hole (111) and the crushing cavity (112) through threads;

the crushing cavity (112) is arranged below the feeding hole (111); the bottom of the crushing cavity (112) is communicated with the heating cavity (15); a left crushing roller (113) and a right crushing roller (114) are rotatably arranged in parallel in the crushing cavity (112); one side shafts of the left crushing roller (113) and the right crushing roller (114) penetrate through the crushing cavity (112); the shaft end of the left crushing roller (113) is sleeved with a first driven sprocket (113-1); the right crushing roller (114) is sleeved with a second driven chain wheel (114-1);

the first motor (115) is arranged outside the shell (14); the output end of the first motor (115) is sleeved with a driving chain wheel (115-1);

the first driven sprocket (113-1), the second driven sprocket (114-1) and the driving sprocket (115-1) are in transmission connection through a chain (116); the chain (116) is sleeved on the driving chain wheel (115-1) and the second driven chain wheel (114-1); the outer ring of the chain (116) is matched with the bottom of the first driven sprocket (113-1);

an opening plate (118) is rotatably arranged at the bottom of the crushing cavity (112) through a rotating shaft; the front end of the opening and closing plate (118) is connected with the top of the heating cavity (15) through a spring (118-1);

a heating device (12), the heating device (12) comprising a heating end (121) and a heating tube (122); the heating end (121) is arranged on the outer side wall of the pyrolysis cavity (1); the heating pipe (122) penetrates through the shell (14) and surrounds the outer side wall of the heating cavity (15);

a stirring device (13), the stirring device (13) comprising a second motor (131) and a stirring paddle (132); the second motor (131) is arranged in the middle of the upper side wall of the pyrolysis cavity (1); the output end of the second motor (131) penetrates through the shell (14) and is positioned in the heating cavity (15); the output end of the second motor (131) is connected with the stirring paddle (132) through a coupler; the stirring paddle (132) is vertically and rotatably arranged in the middle of the heating cavity (15);

the condensing cavity (2) is arranged outside the pyrolysis cavity (1); a condensing device (21) is arranged in the condensing cavity (2);

the oil storage cavity (3), the oil storage cavity (3) is positioned at the bottom of the condensation cavity (2);

the upper end of the condensing device (21) passes through the shell (14) to be communicated with the upper part of the heating cavity (15), and the other port passes through the condensing cavity (2) to be communicated with the oil storage cavity (3);

the auxiliary combustion chamber (4) is positioned at the bottom of the pyrolysis chamber (1); a baffle (42) is arranged at the top of the auxiliary combustion chamber (4) and used for placing the heating chamber (15); a filtering device (41) and an air inlet valve (43) are arranged outside the auxiliary combustion chamber (4);

the auxiliary combustion chamber (4) is respectively communicated with the oil storage chamber (3) and the filtering device (41) through a one-way ventilation valve (5).

2. The rubber pyrolysis recovery unit according to claim 1, wherein: the stirring paddles (132) are arranged in a spiral structure; the blades of the stirring paddles (132) are of a multi-section structure.

3. The rubber pyrolysis recovery unit according to claim 1, wherein: a discharge hole (151) with a valve is formed in the bottom of the side wall of the heating cavity (15); the discharge hole (151) penetrates through the shell (14) and is communicated with the outside.

4. The rubber pyrolysis recovery unit according to claim 1, wherein: the condensing device (21) is arranged as a condensing tube (211); the main body of the condensing tube (211) is arranged in the condensing cavity (2); the air inlet of the condensing tube (211) is communicated with the heating cavity (15); the output end of the condensing tube (211) is communicated with the oil storage cavity (3); and a ventilator (22) is arranged on the side wall of the condensation cavity (2).

5. The rubber pyrolysis recovery unit according to claim 1, wherein: an oil outlet (31) with a valve is arranged on the side wall of the oil storage cavity (3).

6. The rubber pyrolysis recovery unit according to claim 1, wherein: the one-way ventilation valve (5) is made of fireproof materials.

7. The rubber pyrolysis recovery unit according to claim 1, wherein: a filter material is arranged in the filter device (41); the filter material consists of filter cloth, a filter screen, a filter felt, a filter pad, a filter membrane and a hard porous filter material.

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