CN214781656U - Cracked product recycling device - Google Patents
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- CN214781656U CN214781656U CN202023206161.6U CN202023206161U CN214781656U CN 214781656 U CN214781656 U CN 214781656U CN 202023206161 U CN202023206161 U CN 202023206161U CN 214781656 U CN214781656 U CN 214781656U
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Abstract
The utility model relates to the field of cracking equipment, in particular to a cracking product recycling device, which comprises a recycling cylinder body positioned at the center of a cylinder body in a cracker, wherein the outer side of the tail part of the recycling cylinder body is connected with a plurality of recycling pipelines, the outer side of the recycling cylinder body is respectively provided with a first layer screen and a second layer screen, a second rotary belt is arranged between the first layer screen and the second layer screen, the outer side of the second layer screen is provided with a third rotary belt, and the top end of the third rotary belt is connected on the inner wall of the cylinder body in the cracker; the first layer of screen and the second layer of screen are both cone-shaped and are matched with the inner cylinder of the cracker; the pyrolysis product recycling device with the structure can directly carry out pyrolysis on pyrolysis materials with the particle size of below 200mm without screening, and solid matters with the size close to that of a common heat-conducting medium are recycled to serve as heat carriers, so that the pyrolysis efficiency is greatly improved.
Description
Technical Field
The utility model relates to a schizolysis equips the field, in particular to waste gas high molecular polymer or useless serialization cracker intermediate cracking product retrieval and utilization device of danger.
Background
Cracking in the prior art refers to a chemical process of converting one sample (mainly referring to a high molecular compound) into another several substances (mainly referring to a low molecular compound) through heat energy, the cracking not only finds a good solution for the treatment of wastes (such as waste plastics, waste rubber, hazardous waste, oil sludge and the like) generated in large quantities in modern society, but also provides a new scheme for resource reduction and energy shortage improvement, can provide a large quantity of basic industrial raw materials and energy sources, such as carbon black, iron wires, combustible oil gas and the like, and is one of means for solving various resource crises in the future.
At present, all cracking processes are that substances to be cracked are put into a cracker for high-temperature cracking, the cracked materials are discharged out of the cracker through a discharging mechanism, and because the wastes generally contain certain solid impurities which can be stones, gravels, metal blocks and the like, and the solid impurities are not cracked after being heated, the form of the solid impurities cannot be changed, in order to avoid the adverse effect of the solid impurities on cracking, the cracking raw materials generally need to be screened and removed before entering the cracker, so that separate raw material pretreatment processes and equipment are needed, and the investment of process equipment is increased; meanwhile, a part of large-particle solid products can be generated after the raw materials are cracked in the cracking process, the part of solid products has the same problem as the solid impurities, and the solid products cause the discharging mechanism of the cracking equipment to be large and convenient to discharge, so that the processing production and operation cost of the equipment is increased; moreover, the discharge end of the existing cracking equipment is generally designed into a cone shape with gradually reduced diameter so as to facilitate the operation of the equipment, and the discharge end of the cracking equipment with the structure has higher requirements on cracking products and is difficult to solve the problems.
Therefore, how to overcome the above problems becomes one of the problems to be solved in the prior art.
Disclosure of Invention
Based on a plurality of defects existing in the prior art, the utility model provides a pyrolysis product recycling device, which is arranged at the tail part of a cracker and comprises a recycling cylinder body positioned at the center of a cylinder body in the cracker, wherein the outer side of the tail part of the recycling cylinder body is connected with a plurality of recycling pipelines, the outer side of the recycling cylinder body is respectively provided with a first layer screen and a second layer screen, a second rotary belt is arranged between the first layer screen and the second layer screen, the outer side of the second layer screen is provided with a third rotary belt, and the top end of the third rotary belt is connected to the inner wall of the cylinder body in the cracker; the front end of the first layer of screen is provided with a first rotating belt fixedly connected to the inner wall of the inner cylinder of the cracker, and the first layer of screen and the second layer of screen are both in a conical cylinder shape matched with the inner cylinder of the cracker; by adopting the pyrolysis product recycling device with the structure, pyrolysis materials with the particle size of less than 200mm can be directly cracked without being screened, pretreatment processes and devices of the pyrolysis materials are reduced, investment of equipment is reduced, solid matters with the size close to that of a common heat-conducting medium are recycled and used as heat carriers, and the pyrolysis efficiency is greatly improved.
The utility model discloses a concrete technical scheme as follows:
a pyrolysis product recycling device is arranged at the tail of a cracker and comprises a recycling cylinder body positioned at the center of a cylinder body in the cracker, wherein a first layer of screen mesh and a second layer of screen mesh are respectively arranged on the outer side of the recycling cylinder body, a second rotating belt is arranged between the first layer of screen mesh and the second layer of screen mesh, a third rotating belt is arranged on the outer side of the second layer of screen mesh, and the top end of the third rotating belt is connected to the inner wall of the cylinder body in the cracker; the front end of the first layer of screen is provided with a first rotating belt fixedly connected to the inner wall of the inner cylinder of the cracker; the first layer of screen and the second layer of screen are both cone-shaped and are matched with the inner cylinder of the cracker;
the outer side of the tail of the recycling cylinder body is further connected with a plurality of recycling pipelines, one end of each recycling pipeline is provided with an opening and the other end of each recycling pipeline is arranged on a first layer of screen mesh arranged on the outer side of the recycling cylinder body, a baffle is arranged on one side, positioned at the opening of the first layer of screen mesh, of each recycling pipeline, one end of each baffle is connected with a second rotating belt, the other end of each baffle is connected to a conical ring plate, the bottom end belt of each second rotating belt penetrates through the first layer of screen mesh and is connected to the outer side of the recycling cylinder body, the first layer of screen mesh and the recycling cylinder body are fixedly connected through the recycling pipelines and the second rotating belts, and the side, with the shorter diameter, of each conical ring plate is fixedly connected to the first layer of screen mesh; the second layer of screen is sleeved outside the first layer of screen, and the top ends of the second rotating belt and the baffle are fixedly connected to the inner side of the second layer of screen; a third rotating belt is arranged on the outer side of the second layer of screen mesh, and the top end of the third rotating belt is connected to the inner wall of the inner cylinder body of the cracker; a first rotating belt fixedly connected to the inner wall of the cylinder body in the cracker is arranged on the outer side of the first layer of screen cloth, and the pore diameter of the first layer of screen cloth is larger than that of the second layer of screen cloth;
by adopting the device with the structure, in the cracking process, the cracking material with the particle size of below 200mm can be directly cracked without screening, more specifically, the cracking material with the solid impurities with the particle size of below 200mm can be cracked, the solid impurities are not cracked, in the prior art, the solid impurities are removed by screening, otherwise, the solid impurities in the prior art can damage various devices such as a rotating belt in a cracker, and the size of a feeding and discharging device has very strict requirements, but the technical scheme of the application overcomes the defect; in the cracking process, solid impurities move from a feeding end to a discharging end along with a cracking material, namely the tail end of the cracker, the cracking material is converted into a gaseous product and a solid product respectively along with the cracking process, the solid product is generally ash and is in a mixed form of granules and powder, the solid impurities are doped in the solid products, when the solid products move to a first rotating belt position, the solid products are conveyed into a cavity between a recycling cylinder and a first layer of sieve mesh along with the first rotating belt to be screened for the first time, the solid products passing through the first layer of sieve mesh enter between the first layer of sieve mesh and a second layer of sieve mesh and continue to move under the action of the second rotating belt, in the process, the solid products which cannot pass through the second layer of sieve mesh are retained between the first layer of sieve mesh and the second layer of sieve mesh, finally move to a recycling pipeline which is positioned at an opening of the first layer of sieve mesh and fall into the recycling pipeline, the baffle and the conical ring plate can ensure that the part of solid products can completely enter the recycling pipeline, while the solid products which can pass through the second layer of screen mesh are generally small-particle-size products or powdery products, the part of products fall into a space between the second layer of screen mesh and the inner cylinder body, are discharged from a gap between the conical ring plate and the inner cylinder body under the action of the third rotating belt, and are mixed with the solid products which cannot pass through the first layer of screen mesh and then are discharged out of the cracker.
The first layer of screen and the second layer of screen are both in a conical cylinder shape matched with the inner cylinder of the cracker, and the diameter of the first layer of screen and the second layer of screen gradually decreases towards the discharging direction; it is internal to arrange first layer screen cloth and second floor screen cloth in inner tube like this can be convenient, simultaneously because first spiral belt and second spiral belt also can take place corresponding change along with the change of awl section of thick bamboo diameter, promotion solid product that like this can be better moves to the discharge end, compare with the spiral belt ejection of compact that only adopts interior barrel inner wall among the prior art, provide more power sources, the efficiency of the ejection of compact has been improved, the piling up of solid product at awl section of thick bamboo part has been avoided simultaneously, the structural damage to interior barrel has been avoided.
In the process, solid matters which are positioned between the first layer of screen and the second layer of screen and have the size close to that of the common heat-conducting medium enter a recycling pipeline, move to the feeding end of the cracker under the driving of a reverse screw in the recycling pipeline, are directly mixed with the cracking material to realize recycling, can be directly recycled as heat carriers, can accelerate the cracking process by the heat carried by the solid matters, has a large surface area and can also play a role in accelerating the cracking process, and simultaneously utilize the friction among the solid matters when the solid matters are recycled, the size of the part of the solid matters close to that of the common heat-conducting medium can be further reduced, and finally the solid matters can be changed into small-particle-size solid products which can pass through the second layer of screen and can be sent out from the cracker as solid products; the solid product which can not pass through the first layer of screen mesh has larger particle size, but the particle size is still less than 200mm, so the solid product can smoothly pass through a cavity between the first layer of screen mesh and the recycling pipeline, is discharged out of the screening recycling device through the conical ring plate, is mixed with a small-particle-size product or a powdery product, is discharged out of the cracker, and is subjected to harmless treatment, wherein the solid product which meets the engineering requirements can also be used as a building material and the like to realize secondary utilization.
In order to achieve the purpose, the mesh aperture of the first layer of screen is generally controlled to be larger than that of the second layer of screen, and the difference of the mesh apertures between the first layer of screen and the second layer of screen can be reasonably selected according to the requirement of the cracking process on the particle size of the heat carrier, so that the effect of comprehensively recycling the solid matters with the size close to that of the common heat-conducting medium can be achieved.
In conclusion, the pyrolysis product recycling device with the structure can directly carry out pyrolysis on pyrolysis materials with the particle size of below 200mm without screening, solid impurities which are difficult to be pyrolyzed or solid products generated by pyrolysis can be selected through screening, solid matters with the size close to that of a common heat-conducting medium can be directly recycled as a heat carrier, the size of the solid impurities or the solid products is further reduced by using friction between the solid impurities or the solid products, the solid impurities or the solid products are changed into small-particle-size substances, the small-particle-size substances are sent out from the pyrolyzer as solid products, pretreatment processes and devices of the pyrolysis materials are reduced, investment of equipment is reduced, the solid matters with the size close to that of the common heat-conducting medium are recycled as the heat carrier, and the pyrolysis efficiency is greatly improved.
Drawings
FIG. 1 is a schematic structural view of a pyrolysis product recycling device of the present invention;
FIG. 2 is a schematic structural view of the recycling apparatus shown in FIG. 1 after the inner cylinder and the first rotating belt of the cracker are removed;
FIG. 3 is a schematic aft view of the structure of FIG. 2;
FIG. 4 is a schematic diagram of the structure of FIG. 2 with the second screen and the first and third bands removed;
FIG. 5 is a schematic diagram of the structure of FIG. 2 with the first screen removed;
in the figure, 1 is a cracker inner cylinder, 2 is a recycling cylinder, 3 is a first rotating belt, 4 is a second rotating belt, 5 is a first layer screen, 6 is a baffle, 7 is a recycling pipeline, 8 is a conical ring plate, 9 is a third rotating belt, and 10 is a second layer screen.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-5:
a pyrolysis product recycling device is arranged at the tail of a cracker and comprises a recycling cylinder 2 positioned at the center of a cylinder 1 in the cracker, wherein a first layer of screen 5 and a second layer of screen 10 are respectively arranged at the outer side of the recycling cylinder 2, a second rotating belt 4 is arranged between the first layer of screen 5 and the second layer of screen 10, a third rotating belt 9 is arranged at the outer side of the second layer of screen 10, and the top end of the third rotating belt 9 is connected to the inner wall of the cylinder 1 in the cracker; the front end of the first layer of screen 5 is provided with a first rotating belt 3 fixedly connected to the inner wall of the inner cylinder 1 of the cracker;
the outer side of the tail part of the recycling cylinder body 2 is connected with a plurality of recycling pipelines 7, one end of each recycling pipeline 7 is provided with an opening and is positioned on the recycling cylinder body 2, the other end of each recycling pipeline 7 is positioned on the first layer of screen 5 arranged on the outer side of the recycling cylinder body 2, one side of the opening, positioned on the first layer of screen 5, of each recycling pipeline 7 is provided with a baffle 6, one end of each baffle 6 is connected with a second rotating belt 4, the other end of each baffle is connected onto a conical ring plate 8, the bottom end belt of each second rotating belt 4 penetrates through the first layer of screen 5 and is connected to the outer side of the recycling cylinder body 2, the first layer of screen 5 and the recycling cylinder body 2 are fixedly connected through the recycling pipelines 7 and the second rotating belts 4, and the side, with the shorter diameter, of the conical ring plate 8 is fixedly connected onto the first layer of screen 5; a second layer of screen mesh 10 is sleeved outside the first layer of screen mesh 5, and the top ends of the second rotating belt 4 and the baffle 6 are fixedly connected to the inner side of the second layer of screen mesh 10; a third rotating belt 9 is arranged on the outer side of the second layer of screen cloth 10, and the top end of the third rotating belt 9 is connected to the inner wall of the cylinder body 1 in the cracker; the front end of the first layer of screen 5 is provided with a first rotating belt 3 fixedly connected to the inner wall of the cylinder 1 in the cracker, and the aperture of the sieve pore of the first layer of screen 5 is larger than that of the second layer of screen 10; the first layer of screen 5 and the second layer of screen 10 are both in a cone shape matched with the inner cylinder of the cracker;
by adopting the device with the structure, in the cracking process, the cracking material containing the solid impurities with the particle size of below 200mm can be cracked, the part of the solid impurities cannot be cracked, in the prior art, the part of the solid impurities must be removed by screening, otherwise, in the prior art, the part of the solid impurities can damage various devices such as a spiral belt in a cracker and the like, and the size of a feeding and discharging device has very strict requirements, but the technical scheme of the application overcomes the defect; in the cracking process, solid impurities move from a feeding end to a discharging end along with a cracking material, namely the tail end of the cracker, the cracking material is converted into a gaseous product and a solid product respectively along with the cracking process, the solid product is generally ash and is in a mixed form of granules and powder, the solid impurities are doped in the solid products, when the solid products move to a first rotating belt position, the solid products are conveyed into a cavity between a recycling cylinder and a first layer of sieve mesh along with the first rotating belt to be screened for the first time, the solid products passing through the first layer of sieve mesh enter between the first layer of sieve mesh and a second layer of sieve mesh and continue to move under the action of the second rotating belt, in the process, the solid products which cannot pass through the second layer of sieve mesh are retained between the first layer of sieve mesh and the second layer of sieve mesh, finally move to a recycling pipeline which is positioned at an opening of the first layer of sieve mesh and fall into the recycling pipeline, the baffle and the conical ring plate can ensure that the part of solid products can completely enter the recycling pipeline, while the solid products which can pass through the second layer of screen mesh are generally small-particle-size products or powdery products, the part of products fall into a space between the second layer of screen mesh and the inner cylinder body, are discharged from a gap between the conical ring plate and the inner cylinder body under the action of the third rotating belt, and are mixed with the solid products which cannot pass through the first layer of screen mesh and then are discharged out of the cracker.
First layer screen cloth and second floor screen cloth are the awl tube-shape with barrel adaptation in the cracker, and its diameter diminishes gradually to ejection of compact direction, it is internal that first layer screen cloth and second floor screen cloth can be convenient arrange the inner tube in like this, simultaneously because first spiral belt and second spiral belt also can take place corresponding change along with the change of awl tube diameter, promotion solid product that like this can be better moves to the discharge end, compare with the spiral belt ejection of compact that only adopts interior barrel inner wall among the prior art, more power sources are provided, the efficiency of the ejection of compact has been improved, the piling up of solid product at awl tube part has been avoided simultaneously, the structural damage to the internal barrel has been avoided.
In the process, solid matters which are positioned between the first layer of screen and the second layer of screen and have the size close to that of the common heat-conducting medium enter a recycling pipeline, move to the feeding end of the cracker under the driving of a reverse screw in the recycling pipeline, are directly mixed with the cracking material to realize recycling, can be directly recycled as heat carriers, can accelerate the cracking process by the heat carried by the solid matters, has a large surface area and can also play a role in accelerating the cracking process, and simultaneously utilize the friction among the solid matters when the solid matters are recycled, the size of the part of the solid matters close to that of the common heat-conducting medium can be further reduced, and finally the solid matters can be changed into small-particle-size solid products which can pass through the second layer of screen and can be sent out from the cracker as solid products; the solid product which can not pass through the first layer of screen mesh has larger particle size, but the particle size is still less than 200mm, so the solid product can smoothly pass through a cavity between the first layer of screen mesh and the recycling pipeline, is discharged out of the screening recycling device through the conical ring plate, is mixed with a small-particle-size product or a powdery product, is discharged out of the cracker, and is subjected to harmless treatment, wherein the solid product which meets the engineering requirements can also be used as a building material and the like to realize secondary utilization.
Claims (5)
1. The utility model provides a pyrolysis product retrieval and utilization device which characterized in that: the device is arranged at the tail part of a cracker and comprises a recycling cylinder body (2) positioned at the center of a cylinder body (1) in the cracker, wherein a first layer of screen (5) and a second layer of screen (10) are respectively arranged at the outer side of the recycling cylinder body (2), a second rotary belt (4) is arranged between the first layer of screen (5) and the second layer of screen (10), a third rotary belt (9) is arranged at the outer side of the second layer of screen (10), and the top end of the third rotary belt (9) is connected to the inner wall of the cylinder body (1) in the cracker; the front end of the first layer of screen (5) is provided with a first rotating belt (3) fixedly connected to the inner wall of the inner cylinder body (1) of the cracker; the first layer of screen (5) and the second layer of screen (10) are both cone-shaped and are matched with the inner cylinder (1) of the cracker.
2. The cleavage product recycling apparatus of claim 1, wherein:
the outside of the tail of the recycling cylinder body (2) is connected with a plurality of recycling pipelines (7), one end opening of each recycling pipeline (7) is located on the recycling cylinder body (2), the other end of each recycling pipeline is located on a first layer screen (5) arranged on the outside of the recycling cylinder body (2), one side of the opening of each recycling pipeline (7) located on the first layer screen (5) is provided with a baffle (6), one end of each baffle (6) is connected with a second rotating belt (4), the other end of each baffle is connected onto a conical ring plate (8), the bottom end of each second rotating belt (4) penetrates through the first layer screen (5) and is connected onto the outside of the recycling cylinder body (2), the first layer screen (5) and the recycling cylinder body (2) are fixedly connected through the recycling pipelines (7) and the second rotating belts (4), and one side of each conical ring plate (8) with the shorter diameter is fixedly connected onto the first layer screen (5).
3. The cleavage product recycling apparatus of claim 1, wherein: the second layer of screen cloth (10) is sleeved outside the first layer of screen cloth (5), and the top ends of the second rotating belt (4) and the baffle (6) are fixedly connected to the inner side of the second layer of screen cloth (10).
4. The cleavage product recycling apparatus of claim 1, wherein: the mesh aperture of the first layer of screen (5) is larger than that of the second layer of screen (10).
5. The cleavage product recycling apparatus of claim 1, wherein: the first layer of screen (5) and the second layer of screen (10) are both cone-shaped and are matched with the inner cylinder (1) of the cracker, and the diameter of the cone-shaped and the second layer of screen gradually decreases towards the discharging direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023206161.6U CN214781656U (en) | 2020-12-25 | 2020-12-25 | Cracked product recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023206161.6U CN214781656U (en) | 2020-12-25 | 2020-12-25 | Cracked product recycling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214781656U true CN214781656U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023206161.6U Active CN214781656U (en) | 2020-12-25 | 2020-12-25 | Cracked product recycling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214781656U (en) |
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2020
- 2020-12-25 CN CN202023206161.6U patent/CN214781656U/en active Active
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