CN218485924U - Thermal cracking feeding device - Google Patents
Thermal cracking feeding device Download PDFInfo
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- CN218485924U CN218485924U CN202223048258.8U CN202223048258U CN218485924U CN 218485924 U CN218485924 U CN 218485924U CN 202223048258 U CN202223048258 U CN 202223048258U CN 218485924 U CN218485924 U CN 218485924U
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- thermal cracking
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Abstract
The utility model provides a thermal cracking feeding device, belonging to the technical field of thermal cracking, comprising a screw conveyer, a sealing component and a tensioning component; the spiral conveyor comprises a conveyor barrel, a spiral shaft and spiral blades, the spiral shaft is sleeved in the conveyor barrel, the spiral blades are sleeved outside the spiral shaft, and the discharge end of the conveyor barrel is positioned in the reaction kettle barrel; the sealing assembly comprises a static friction ring, a dynamic friction ring matched with the static friction ring and a fixed friction disc fixedly connected with the dynamic friction ring; the tensioning assembly comprises a cylinder fixing flange, tensioning cylinders and cylinder push rods, the cylinder fixing flange is sleeved outside the conveyor barrel, the tensioning cylinders are distributed along the circumferential direction of the cylinder fixing flange, the cylinder push rods are connected with the tensioning cylinders, and the cylinder push rods are fixedly connected with the friction static ring. The utility model provides a current thermal cracking equipment adopt flexible seal material and the technical problem of the influence leakproofness that leads to because of the sound seal cover, have that the leakproofness is good, frictional force is little, axle or axle sleeve are not fragile, characteristics that the security performance is high.
Description
Technical Field
The utility model belongs to the technical field of thermal cracking, especially, relate to a thermal cracking feed arrangement.
Background
The waste tires are called black pollution in the industry, and the recovery and treatment technology of the waste tires is a worldwide problem and also an environmental protection problem. The continuous thermal cracking technology for waste rubber and plastic is a main technological process for recovering and utilizing waste tires, and utilizes the thermal instability of organic matters in solid waste to convert macromolecular organic matters into gaseous, liquid and solid components with relatively small molecular mass through the combined action of decomposition and condensation under the conditions of oxygen deficiency and high temperature.
In the thermal cracking process, the reaction kettle is filled with high-temperature and high-pressure oil steam, if the sealing performance is poor, the high-temperature oil steam in the thermal cracking reaction kettle can overflow, and external cold air can enter along with the material, so that potential safety hazards in production are easily caused, and therefore, the good sealing performance is particularly important for thermal cracking equipment. The existing outward-rotating thermal cracking reaction kettle can be uniformly heated after cracking materials enter the kettle, the materials can move from a feeding end to a discharging end, and generally helical blades are required to be arranged on the inner wall of a kettle body. However, because the reaction kettle needs to keep rotating in the thermal cracking process, in order to ensure the sealing property, a dynamic and static matching sealing sleeve is required to be arranged at the feed end and the discharge end of the reaction kettle. The traditional dynamic and static sealing sleeves are sealed by adopting flexible sealing filler, however, the flexible sealing material is easy to wear and is easy to carbonize, harden and become brittle after being subjected to high temperature for a long time, so that the sealing effect is influenced.
SUMMERY OF THE UTILITY MODEL
The details of one or more embodiments of the invention are set forth in the accompanying drawings and the description below to provide further features, objects and advantages of the invention.
The utility model provides a thermal cracking feed arrangement has solved the technical problem of the influence leakproofness that current thermal cracking equipment leads to because of sound seal cover adopts flexible seal material, has that the leakproofness is good, frictional force is little, axle or axle sleeve are not fragile, characteristics that the security performance is high.
The utility model discloses a thermal cracking feeding device, which comprises a screw conveyer, a sealing component and a tensioning component; the spiral conveyor comprises a conveyor barrel, a spiral shaft sleeved in the conveyor barrel and a spiral blade sleeved outside the spiral shaft, and the discharge end of the conveyor barrel is positioned in the reaction kettle barrel; the sealing assembly is connected with the joint of the conveyor cylinder and the reaction kettle cylinder in a sealing manner and comprises a static friction ring, a dynamic friction ring matched with the static friction ring and a fixed friction disc fixedly connected with the dynamic friction ring; the tensioning assembly comprises a cylinder fixing flange sleeved outside the conveyor barrel, tensioning cylinders distributed along the circumferential direction of the cylinder fixing flange and a cylinder push rod connected with the tensioning cylinders, and the cylinder push rod is fixedly connected with the friction static ring.
In some embodiments, the reactor further comprises a corrugated compensator sleeved outside the conveyor cylinder body, wherein the left end of the corrugated compensator is connected with the friction fixing disc in a flange mode, and the right end of the corrugated compensator is connected with the reaction kettle cylinder body.
In some embodiments, the reactor further comprises a reaction kettle connecting sleeve connecting the ripple compensator and the reaction kettle cylinder, and the reaction kettle connecting sleeve is arranged outside the conveyor cylinder.
In some embodiments, the spiral shaft is provided with spiral blade gas blocking sections which are not equidistant.
In some embodiments, the device further comprises a dust-proof sealing sleeve arranged at one end of the screw conveyor far away from the reaction kettle.
In some embodiments, the device further comprises a bin connected with the feed inlet of the spiral conveyor.
In some embodiments, a control valve is arranged between the discharge port of the storage bin and the feed port of the screw conveyor.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model provides a thermal cracking feeding device, through setting up seal assembly and specifically injectd seal assembly's structure, it is good to have a sealing performance, let out leakage quantity little, axle or axle sleeve are not fragile, frictional force is little, long-life advantage, because mechanical seal leans on spring force and fluid pressure to make the vice laminating of friction, automatic keep in contact in the operation, just need not adjust like ordinary wadding after the assembly and compress tightly, this seal assembly rises and tightly through the setting of the tight subassembly that rises, rise by the tight cylinder automatic compensation that rises after the friction rotating ring wearing and tearing, the leakproofness of device has further been guaranteed.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
FIG. 1 is a schematic structural view of a thermal cracking feeding apparatus according to an embodiment of the present invention;
in the above figures: 11. a conveyor barrel; 12. a screw shaft; 13. a helical blade; 21. rubbing the static ring; 22. rubbing the dynamic ring; 23. a friction fixing disc; 31. a cylinder fixing flange; 32. a tensioning cylinder; 33. a cylinder push rod; 4. a ripple compensator; 5. a connecting sleeve of the reaction kettle; 6. a dustproof sealing sleeve; 7. a storage bin; 8. and controlling the valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described and illustrated with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Based on the embodiments provided by the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
The embodiment of the utility model provides a thermal cracking feeding device, fig. 1 is according to the utility model discloses a thermal cracking feeding device's of embodiment structural schematic. Referring to fig. 1, the device at least comprises a screw conveyer, a sealing assembly and a tensioning assembly; the screw conveyor comprises a conveyor barrel body 11, a screw shaft 12 sleeved in the conveyor barrel body 11 and a screw blade 13 sleeved outside the screw shaft 12, and the discharge end of the conveyor barrel body 11 is positioned in the reaction kettle barrel body; the sealing assembly is connected with the joint of the conveyor barrel 11 and the reaction kettle barrel in a sealing manner and comprises a static friction ring 21, a dynamic friction ring 22 matched with the static friction ring 21 and a fixed friction disc 23 fixedly connected with the dynamic friction ring 22; the tensioning assembly comprises a cylinder fixing flange 31 sleeved outside the conveyor cylinder 11, tensioning cylinders 32 distributed along the circumferential direction of the cylinder fixing flange 31, and cylinder push rods 33 connected with the tensioning cylinders 32, wherein the cylinder push rods 33 are fixedly connected with the static friction ring 21. This thermal cracking feeding device is through setting up seal assembly and specifically having injectd seal assembly's structure, it is good to have a sealing performance, it is little to let out leakage quantity, axle or axle sleeve is not fragile, frictional force is little, long-lived advantage, because mechanical seal makes the vice laminating of friction by spring force and fluid pressure, automatic keep in contact in the operation, just need not adjust like ordinary wadding after the assembly and compress tightly, this seal assembly is through the setting of tight subassembly that rises, by the tight cylinder 32 automatic compensation that rises after the friction rotating ring 22 wearing and tearing, the leakproofness of device has further been guaranteed. The device further comprises a corrugated compensator 4 and a reaction kettle connecting sleeve 5, wherein the corrugated compensator 4 is sleeved outside the conveyor cylinder 11, the left end of the corrugated compensator is connected with the friction fixing disc 23 in a flange mode, the right end of the corrugated compensator is connected with the reaction kettle cylinder, the reaction kettle connecting sleeve 5 is connected with the corrugated compensator 4 and the reaction kettle cylinder, and the conveyor cylinder 11 is sleeved with the reaction kettle connecting sleeve 5. Specifically, the dynamic and static seals at the feed end adopt a mechanical seal mode, optionally, a total of 4 groups of tensioning cylinders 32 are arranged, and are uniformly distributed and fixed on a cylinder fixing flange 31 along the circumference, the cylinder fixing flange 31 is fixed with the conveyor cylinder 11, a cylinder push rod is fixed on a static friction ring 21 and is matched with a dynamic friction ring 22 for use, when the dynamic friction ring 22 is worn, the dynamic friction ring 22 is automatically compensated and tensioned by the tensioning cylinders 32, the dynamic friction ring 22 is fixed on a dynamic friction fixing disc 23 by utilizing 12 sealing dynamic friction ring 22 fixing bolts, the dynamic friction fixing disc 23 is provided with a flange for being connected with a left flange of a corrugated compensator 4, the right flange of the corrugated compensator 4 is connected with a reaction kettle connecting sleeve 5, the mechanical seal is driven to operate by the rotation of the reaction kettle, the discharge end of a screw conveyor extends into the thermal cracking reaction kettle cylinder, and the left side outside the thermal cracking reaction kettle cylinder is provided with an anti-displacement ring which is matched with an anti-displacement riding wheel for use, so as to prevent the thermal cracking reaction kettle from being heated from linear tension displacement.
In order to prevent the oil vapor in the kettle from overflowing along with the rubber block in the feeding process, the screw shaft 12 is provided with the non-equidistant spiral blade 13 gas blocking section, the entering rubber block can be compressed, and therefore the automatic gas blocking effect can be achieved during feeding.
Furthermore, the device also comprises a dustproof sealing sleeve 6 which is arranged at one end of the screw conveyer far away from the reaction kettle. Screw conveyer is the extrusion equipment of thermal cracking material, its drive arrangement axial sets up at the left side end, its right-hand member flange is connected with the fixed plate, the fixed plate right side is provided with the bearing frame, be connected with bearing frame fixed cover support, fixed cover support flange left side is provided with dustproof sealing cover 6, prevent that automatic stifled gas screw machine of feeding from dust scurrying when the feeding, 11 left sides of conveyer barrel are provided with flange, be connected with fixed cover support right side flange, the screw conveyer feed inlet sets up on 11 left sides upper portions of conveyer barrel perpendicularly, screw conveyer feed inlet flange is connected with 4 lower part flanges of ripple compensator, conveyer barrel 11 sets up externally, be provided with screw axis 12 in, under screw drive's effect, it removes to the discharge end from the feed end to split glue piece.
Further still include the feed bin 7 that links to each other with screw conveyer's feed inlet, be equipped with control flap 8 between 7's of feed bin discharge gate and screw conveyer's the feed inlet, be convenient for maintain and cut off feedstock channel under the abnormal condition. From the gluey piece after the preliminary treatment workshop is broken, send into 7 feed inlets of feed bin through the conveyer, 7 right side end plate upper portions of feed bin are provided with the charge level indicator, charge level indicator under 7 left sides tapering of feed bin, go up the charge level indicator, lower charge level indicator and feeding conveyer interlocking, the material level in the control feed bin 7, 7 flange lower parts of feed bin are provided with control flap 8, be convenient for maintain and cut off feedstock channel under the abnormal condition, 7 tapering lower parts of feed bin are provided with the blanking mouth, be connected with screw conveyer feed inlet flange.
The working process of the thermal cracking feeding device is as follows:
the material to be treated is conveyed into the outward-rotating reaction kettle through the screw conveyor for thermal cracking treatment, in the thermal cracking treatment process, the reaction kettle rotates, the rotary joint of the conveyor barrel 11 and the reaction kettle barrel is sealed through the sealing assembly, and the sealing performance of the device is effectively guaranteed.
At present feed end sound cooperation department generally adopts flexible seal, the utility model discloses a mechanical seal that stability is higher, its advantage is sealing performance good, let out leakage quantity little, axle or axle sleeve are not fragile, frictional force is little, it is longe-lived etc., and need not the adjustment in the operation, it is concrete, because mechanical seal leans on spring force and fluid pressure to make the vice laminating of friction, automatic keep in touch in the operation, just need not adjust just like ordinary soft packing after the assembly and compress tightly, and power loss is little, packing is that the compressing tightly of leaning on the packing is epaxial or the axle sleeve plays a role, packing and axle direct friction, the tighter frictional force of packing is just big more, the consumed power is just big more, and mechanical seal's friction is in half liquid friction state, the coefficient of friction is very little. Additionally, the utility model discloses a prevent that feed end oil vapor from spilling over and the air admission, still set up the not equidistance pitch that varies on screw axis 12, utilize the not equidistance pitch to carry out automatic compression and release, the sealed function of automatic stifled gas that forms has eliminated the hidden danger of equipment, has effectively improved the security performance, has advantages such as equipment investment is few, reliable operation, but continuous operation, operation stability, convenient maintenance, has very high spreading value.
All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. A thermal cracking feeding device is characterized by comprising
The spiral conveyor comprises a conveyor barrel, a spiral shaft and spiral blades, the spiral shaft is sleeved in the conveyor barrel, the spiral blades are sleeved outside the spiral shaft, and the discharge end of the conveyor barrel is positioned in the reaction kettle barrel;
the sealing assembly is connected with the connecting part of the conveyor cylinder and the reaction kettle cylinder in a sealing manner and comprises a static friction ring, a dynamic friction ring matched with the static friction ring and a fixed friction disc fixedly connected with the dynamic friction ring;
the tensioning assembly comprises a cylinder fixing flange sleeved outside the barrel of the conveyor, tensioning cylinders distributed along the circumferential direction of the cylinder fixing flange, and a cylinder push rod connected with the tensioning cylinders, and the cylinder push rod is fixedly connected with the static friction ring.
2. A thermal cracking feed apparatus as defined in claim 1, further comprising
The corrugated compensator is sleeved outside the conveyor cylinder, the left end of the corrugated compensator is connected with the friction fixing disc through a flange, and the right end of the corrugated compensator is connected with the reaction kettle cylinder.
3. A thermal cracking feed apparatus according to claim 2, further comprising a reaction kettle connecting sleeve connecting the ripple compensator and the reaction kettle barrel, the reaction kettle connecting sleeve being disposed outside the conveyor barrel.
4. A thermal cracking feed apparatus according to claim 1, wherein the screw shaft is provided with non-equidistant gas-blocking sections of the screw blades.
5. A thermal cracking feed apparatus according to claim 1, further comprising a dust-proof boot seal disposed at an end of the screw conveyor remote from the reaction vessel.
6. A thermal cracking feed apparatus according to claim 1, further comprising a silo connected to the feed inlet of the screw conveyor.
7. A thermal cracking feed apparatus according to claim 6, wherein a control valve is provided between the discharge outlet of the bin and the feed inlet of the screw conveyor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202223048258.8U CN218485924U (en) | 2022-11-16 | 2022-11-16 | Thermal cracking feeding device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202223048258.8U CN218485924U (en) | 2022-11-16 | 2022-11-16 | Thermal cracking feeding device |
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CN218485924U true CN218485924U (en) | 2023-02-17 |
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CN202223048258.8U Active CN218485924U (en) | 2022-11-16 | 2022-11-16 | Thermal cracking feeding device |
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- 2022-11-16 CN CN202223048258.8U patent/CN218485924U/en active Active
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