CN214235542U - Cracking or pyrolysis product screening and recycling device - Google Patents
Cracking or pyrolysis product screening and recycling device Download PDFInfo
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- CN214235542U CN214235542U CN202023206164.XU CN202023206164U CN214235542U CN 214235542 U CN214235542 U CN 214235542U CN 202023206164 U CN202023206164 U CN 202023206164U CN 214235542 U CN214235542 U CN 214235542U
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Abstract
The utility model relates to a pyrolysis or pyrolysis equipment field provides a pyrolysis or pyrolysis product divides sieve retrieval and utilization device, and the device sets up at pyrolysis or pyrolyzer afterbody, including the retrieval and utilization barrel that is located pyrolysis or pyrolyzer inner tube body center, this retrieval and utilization barrel afterbody outside is connected with a plurality of retrieval and utilization pipelines, and the retrieval and utilization barrel outside is provided with first layer screen cloth and second layer screen cloth respectively, is provided with the second between first layer screen cloth and the second layer screen cloth and revolves the area, and the second layer screen cloth outside is provided with the third and revolves the area, and the third revolves the area top and connects on pyrolysis or pyrolyzer inner tube body inner wall; by adopting the cracking or pyrolysis product screening and recycling device with the structure, cracking or pyrolysis materials with the particle size of below 200mm can be directly cracked or pyrolyzed without being screened, so that the pretreatment processes and devices of the cracking or pyrolysis materials are reduced, the investment of equipment is reduced, solid matters with the size close to that of a common heat-conducting medium can be recycled as heat carriers, and the cracking or pyrolysis efficiency is improved.
Description
Technical Field
The utility model relates to a pyrolysis or pyrolysis equipment field, in particular to pyrolysis or pyrolysis product screening retrieval and utilization device among waste gas high molecular polymer or the useless serialization pyrolysis of danger or the pyrolysis device.
Background
Cracking or pyrolysis 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, and not only does cracking or pyrolysis find a good solution for the treatment of waste (such as waste plastic, waste rubber, hazardous waste, oil sludge and the like) generated in a large amount in modern society, but also provides a new scheme for resource reduction and energy shortage improvement, can provide a large amount 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, in all cracking or pyrolysis processes, substances to be cracked or pyrolyzed are put into a cracking or pyrolyzer for high-temperature cracking or pyrolysis, materials after cracking or pyrolysis are discharged out of the cracking or pyrolyzer through a discharging mechanism, because the wastes generally contain certain solid impurities, the part of solid impurities can be stones, gravels, metal blocks and the like, and the part of solid impurities are not cracked or pyrolyzed after being heated, the form of the part of solid impurities cannot be changed, in order to avoid the adverse effect of the part of solid impurities on cracking or pyrolysis, the cracking or pyrolyzing raw materials generally need to be screened and removed before entering the cracking or pyrolyzer, so that separate raw material pretreatment processes and equipment are needed, and the investment of process equipment is increased; meanwhile, a part of solid products with larger particles can be generated after cracking or pyrolyzing the raw materials in the cracking or pyrolyzing process, the part of solid products has the same problems as the solid impurities, and the existence of the solid products causes the discharging mechanism of the cracking or pyrolyzing equipment to be large and convenient to discharge, so that the cost of processing, producing and operating the equipment is increased.
Therefore, how to overcome the above problems becomes one of the problems to be solved in the prior art.
Disclosure of Invention
Based on the defects of the prior art in the inclusion of raw materials, the utility model provides a cracking or pyrolysis product screening and recycling device, which is arranged at the tail part of a cracking or pyrolysis device and comprises a recycling barrel body positioned at the center of a barrel body in the cracking or pyrolysis device, wherein the outer side of the tail part of the recycling barrel body is connected with a plurality of recycling pipelines, the outer side of the recycling barrel 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, a third rotary belt is arranged at the outer side of the second layer screen, and the top end of the third rotary belt is connected to the inner wall of the barrel body in the cracking or pyrolysis device; 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 body of the cracking or pyrolyzing device; by adopting the cracking or pyrolysis product screening and recycling device with the structure, cracking or pyrolysis materials with the size of less than 200mm can be directly cracked or pyrolyzed without being screened, so that the pretreatment processes and devices of the cracking or pyrolysis materials are reduced, the investment of equipment is reduced, solid matters with the size close to that of a common heat-conducting medium can be recycled as heat carriers, and the cracking or pyrolysis efficiency is greatly improved.
The utility model discloses a concrete technical scheme as follows:
a cracking or pyrolysis product screening and recycling device is arranged at the tail of a cracking or pyrolyzer and comprises a recycling cylinder body positioned at the center of an inner cylinder body of the cracking or pyrolyzer, wherein a first layer of screen mesh and a second layer of screen mesh are arranged on the outer side of the recycling cylinder body respectively, a second rotary belt is arranged between the first layer of screen mesh and the second layer of screen mesh, a third rotary belt is arranged on the outer side of the second layer of screen mesh, and the top end of the third rotary belt is connected to the inner wall of the inner cylinder body of the cracking or pyrolyzer; 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 body of the cracking or pyrolyzing device;
furthermore, the outer side of the tail part of the recycling cylinder body is connected with a plurality of recycling pipelines, one end of each recycling pipeline is provided with an opening and the other end is provided with a first layer of screen mesh arranged on the outer side of the recycling cylinder body, the recycling pipeline is provided with a baffle plate on one side of the opening of the first layer of screen mesh, one end of the baffle plate is connected with a second rotating belt, the other end of the baffle plate is connected with a conical ring plate, the bottom end of the 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 pipeline and the second rotating belt, and the side with the shorter diameter of the 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 cracking or pyrolyzing device; a first rotating belt fixedly connected to the inner wall of the barrel body in the cracking or pyrolysis device is arranged on the outer side of the first layer of screen, and the pore diameter of the first layer of screen is larger than that of the second layer of screen;
by adopting the device with the structure, in the cracking or pyrolysis process, the cracking or pyrolysis material with the particle size of below 200mm can be directly cracked or pyrolyzed without being screened, more specifically, the cracking or pyrolysis material with the solid impurities with the particle size of below 200mm can be cracked or pyrolyzed, and the part of the solid impurities can not be cracked or pyrolyzed; in the cracking or pyrolysis process, solid impurities move from a feeding end to a discharging end along with the cracking or pyrolysis material, namely the tail end of the cracking or pyrolysis device, the cracking or pyrolysis material is converted into a gaseous product and a solid product along with the cracking or pyrolysis process, the solid product is generally ash, the solid product 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 screen along with a first rotating belt to be screened for the first time, the solid products passing through the first layer of screen enter between the first layer of screen and a second layer of screen and continue to move under the action of a second rotating belt, in the process, the solid products which cannot pass through the second layer of screen are retained between the first layer of screen and the second layer of screen and finally move to a recycling pipeline, and are positioned at an opening of the first layer of screen, the solid products which can pass through the second layer of screen mesh are generally small-particle-size products or powdery products, the partial 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 from a cracking or pyrolyzer.
In the process, the solid matter which is positioned between the first layer of screen and the second layer of screen and has the size close to that of the common heat-conducting medium enters a recycling pipeline, moves to the feeding end of a cracking or pyrolyzing device under the driving of a reverse screw in the recycling pipeline, is directly mixed with the cracking or pyrolyzing material to realize recycling, can be directly recycled as a heat carrier, can accelerate the cracking or pyrolyzing process by the heat carried by the solid matter, has a larger surface area, can also play a role in accelerating the cracking or pyrolyzing process, and simultaneously utilizes the friction between the solid matter and the common heat-conducting medium when being recycled, the part of the solid matter which has the size close to that of the common heat-conducting medium can be further reduced in size, finally becomes a small-particle-size solid product capable of passing through the second layer of screen, and is sent out as the solid product from the cracking or pyrolyzing device; 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 a cracking or pyrolysis device, and is subjected to harmless treatment, wherein the solid product which meets the engineering requirements can be used as a building material for secondary utilization.
In order to achieve the purpose, the mesh opening 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 openings of the first layer of screen and the second layer of screen can be reasonably selected according to the requirement of the cracking or pyrolysis 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 cracking or pyrolysis product screening and recycling device with the structure can directly carry out cracking or pyrolysis on the cracking or pyrolysis material with the particle size of less than 200mm without screening, solid impurities which are difficult to crack or pyrolyze or solid products produced by cracking or pyrolysis can be selected by screening, solid matters with the size close to that of a common heat-conducting medium can be recycled as a heat carrier for use, and the solid matters can be directly recycled as the heat carrier, the size of the material is further reduced by utilizing the friction between the materials while the material is repeatedly utilized, the material with small particle size is changed into a material with small particle size to be sent out as a solid product from a cracking or pyrolysis device, the pretreatment process and the device of the cracking or pyrolysis material are reduced, the investment of equipment is reduced, and solid matters with the size close to that of a common heat-conducting medium are recycled to be used as heat carriers, so that the cracking or pyrolysis efficiency is greatly improved.
Drawings
FIG. 1 is a schematic structural view of the pyrolysis or pyrolysis product screening and recycling device of the present invention;
FIG. 2 is a schematic structural view of the recycling apparatus shown in FIG. 1 after the barrel inside the pyrolysis or pyrolyzer is 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 cracking or pyrolyzer inner cylinder, 2 is a recycling cylinder, 3 is a first rotating belt, 4 is a second rotating belt, 5 is a first layer of 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 of 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 cracking or pyrolysis product screening and recycling device is arranged at the tail of a cracking or pyrolysis device and comprises a recycling cylinder body 2 positioned at the center of a cylinder body 1 in the cracking or pyrolysis device, a first layer of screen 5 and a second layer of screen 10 are respectively arranged on the outer side of the recycling cylinder body 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 on 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 body 1 in the cracking or pyrolysis device; 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 cracking or pyrolyzer;
the outer side of the tail 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 located on the recycling cylinder body 2, the other end of each recycling pipeline 7 is located on a first layer of screen 5 arranged on the outer side of the recycling cylinder body 2, one side, located on the opening of 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 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 inner cylinder body 1 of the cracking or pyrolyzing device; 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 barrel 1 in the cracking or pyrolysis device, and the pore diameter of the first layer of screen 5 is larger than that of the second layer of screen 10;
by adopting the device with the structure, in the cracking or pyrolysis process, cracking or pyrolysis materials containing solid impurities with the particle size of below 200mm can be cracked or pyrolyzed, the part of solid impurities cannot be cracked or pyrolyzed, in the prior art, the part of solid impurities must be removed by screening, otherwise, in the prior art, the part of solid impurities can damage various devices such as a rotating belt in a cracking or pyrolyzing device, and the size of a feeding and discharging device has strict requirements, but the technical scheme of the application overcomes the defect; in the cracking or pyrolysis process, solid impurities move from a feeding end to a discharging end along with the cracking or pyrolysis material, namely the tail end of the cracking or pyrolysis device, the cracking or pyrolysis material is converted into a gaseous product and a solid product along with the cracking or pyrolysis process, the solid product is generally ash, the solid product 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 screen along with a first rotating belt to be screened for the first time, the solid products passing through the first layer of screen enter between the first layer of screen and a second layer of screen and continue to move under the action of a second rotating belt, in the process, the solid products which cannot pass through the second layer of screen are retained between the first layer of screen and the second layer of screen and finally move to a recycling pipeline, and are positioned at an opening of the first layer of screen, the solid products which can pass through the second layer of screen mesh are generally small-particle-size products or powdery products, the partial 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 from a cracking or pyrolyzer.
In the process, the solid matter which is positioned between the first layer of screen and the second layer of screen and has the size close to that of the common heat-conducting medium enters a recycling pipeline, moves to the feeding end of a cracking or pyrolyzing device under the driving of a reverse screw in the recycling pipeline, is directly mixed with the cracking or pyrolyzing material to realize recycling, can be directly recycled as a heat carrier, can accelerate the cracking or pyrolyzing process by the heat carried by the solid matter, has a larger surface area, can also play a role in accelerating the cracking or pyrolyzing process, and simultaneously utilizes the friction between the solid matter and the common heat-conducting medium when being recycled, the part of the solid matter which has the size close to that of the common heat-conducting medium can be further reduced in size, finally becomes a small-particle-size solid product capable of passing through the second layer of screen, and is sent out as the solid product from the cracking or pyrolyzing device; 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 a cracking or pyrolysis device, and is subjected to harmless treatment, wherein the solid product which meets the engineering requirements can be used as a building material for secondary utilization.
Claims (4)
1. The utility model provides a pyrolysis or pyrolysis product divides sieve retrieval and utilization device which characterized in that: the device is arranged at the tail part of a cracking or pyrolysis device and comprises a recycling cylinder body (2) positioned at the center of a cylinder body (1) in the cracking or pyrolysis device, a first layer of screen (5) and a second layer of screen (10) are respectively arranged on the outer side of the recycling cylinder body (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 on 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 body (1) in the cracking or pyrolysis device; the front end of the first layer of screen (5) is provided with a first rotating belt (3) fixedly connected on the inner wall of the barrel body (1) in the cracking or pyrolyzer.
2. The pyrolysis or pyrolysis product screening and recycling device 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, located on the first layer 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 of each second rotating belt (4) penetrates through the corresponding first layer screen (5) and is connected to 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 corresponding second rotating belts (4), and one side, with the diameter of the conical ring plate (8), is fixedly connected onto the corresponding first layer screen (5).
3. The pyrolysis or pyrolysis product screening and recycling device 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 pyrolysis or pyrolysis product screening and recycling device 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023206164.XU CN214235542U (en) | 2020-12-25 | 2020-12-25 | Cracking or pyrolysis product screening and recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023206164.XU CN214235542U (en) | 2020-12-25 | 2020-12-25 | Cracking or pyrolysis product screening and recycling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214235542U true CN214235542U (en) | 2021-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023206164.XU Active CN214235542U (en) | 2020-12-25 | 2020-12-25 | Cracking or pyrolysis product screening and recycling device |
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| Country | Link |
|---|---|
| CN (1) | CN214235542U (en) |
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2020
- 2020-12-25 CN CN202023206164.XU patent/CN214235542U/en active Active
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