WO2008131601A1 - Procédé de craquage automatique rotatif et appareil de craquage - Google Patents

Procédé de craquage automatique rotatif et appareil de craquage Download PDF

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Publication number
WO2008131601A1
WO2008131601A1 PCT/CN2007/001503 CN2007001503W WO2008131601A1 WO 2008131601 A1 WO2008131601 A1 WO 2008131601A1 CN 2007001503 W CN2007001503 W CN 2007001503W WO 2008131601 A1 WO2008131601 A1 WO 2008131601A1
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WO
WIPO (PCT)
Prior art keywords
cracker
inner cylinder
outer cylinder
outlet
hot air
Prior art date
Application number
PCT/CN2007/001503
Other languages
English (en)
Chinese (zh)
Inventor
Bin Niu
Original Assignee
Bin Niu
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bin Niu filed Critical Bin Niu
Publication of WO2008131601A1 publication Critical patent/WO2008131601A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/12—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by dry-heat treatment only
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
    • C10G1/10—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal from rubber or rubber waste
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2321/00—Characterised by the use of unspecified rubbers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Definitions

  • the invention relates to a rotary automatic cracking process and a cracker for cracking rubber or plastics and the like.
  • the object of the present invention is to design a rotary automatic cracking process and a cracker which are simple in structure and capable of realizing automatic discharge. . : ;
  • the process of the invention is to arrange the cracker in the hot air chamber and seal the cracker between the cracker and the hot air chamber; the shell of the cracker at the inlet and the outlet is exposed outside the hot air chamber; the hot air chamber is used for
  • the cracker is provided with heat for cracking; the air distribution operation through the air inlet or the air outlet adjusts the temperature in the hot air chamber; the cracker rotates in the hot air chamber, and the material guide mechanism is arranged in the cracker.
  • the technical scheme of the invention can adjust the air inlet amount through the air distribution operation of the air inlet, and control the temperature in the hot air chamber by adjusting the air outlet to meet the reaction requirement, and further, the rotation of the cracker in the hot air chamber and the material
  • the guiding action of the guiding mechanism realizes the uniformity of the heating of the raw material or its movement, and thereby the automatic discharge of the cracked product can be realized.
  • the material guiding mechanism in the above structure can adopt a spiral belt, which can make the movement of the material smoother, to achieve full cracking, and facilitate the discharge of the solid reactant, and the cavity in the middle of the spiral belt is also favorable for the discharge of the cracked gas. .
  • the cracker can be rotated in the same direction as needed.
  • the feed port and the lysate outlet of the cracker can be located at the same end of the cracker.
  • the cracker is rotated for a period of time and then reversed for a period of time.
  • the cracking process can be one or several stages in which a simple method can be used in the case of discontinuous cracking (automatic discharge is achieved by it. After the cracked oil and gas outlet is placed at the same end as the feed port, the structure is simplified) , so that both use the same port. :
  • the feed port and the lysate outlet can be placed on the two or one end caps of the cracker and they are combined with the cracker body. In this case, only the main body of the cracker needs to be rotated, and the end cap does not have to be rotated.
  • This structure facilitates the continuous discharge of the cracking gas as well as the feed of the raw material and the discharge of other products.
  • the hot air chamber in order to realize the control of the temperature in the hot air chamber and make the process design reasonable, the hot air chamber should be introduced into the air from the lower part, and the air is discharged from the upper part, and the air volume adjustment is respectively set at the air inlet and the air outlet. valve.
  • the apparatus for realizing the above process of the present invention comprises an outer cylinder body with an inlet air and an air outlet, and an inner cylinder body installed in the outer cylinder body and connected to a rotating shaft outside the outer cylinder body.
  • the inner cylinder body is provided with a feeding port and an oil and gas outlet.
  • the discharge port, the feed port and the oil and gas outlet and the discharge port are exposed outside the outer cylinder, and the material guiding mechanism is arranged in the inner cylinder.
  • the material guiding mechanism described in the apparatus of the present invention may adopt a spiral blade or the like, or may adopt at least one spiral belt fixed on the inner wall of the inner cylinder, and the spiral belt is in the inner cylinder.
  • the guiding groove is formed in the middle, and the raw material can be reasonably distributed in the inner cylinder while the inner cylinder rotates, so that the inner cylinder is fully utilized, and the raw material can fully absorb the heat provided by the outer cylinder to realize cracking, and
  • the structure can also effectively control the cracking time of the raw material by controlling the rotation speed of the inner cylinder.
  • the inner cylinder can be always rotated in the same direction so that the raw material enters the inner cylinder from one end and the resultant is discharged from the other end. It is also possible to feed the oil and gas outlets and the material outlet at the same end of the inner cylinder, and after the inner cylinder is rotated for a period of time, and then reverse for a period of time, the raw material is fed into the inner cylinder, and Distribute, cleave in the inner barrel, return it to its entry end, and continue to fully lyse during this process.
  • This structure can greatly reduce the size and cost of the equipment.
  • the structure in the inner cylinder can be adopted as follows: the rotating shaft passes through the inner cylinder, one end is connected to the inner cylinder through a sealing sleeve, and the other end is passed through the sealing structure.
  • This structure can give the shaft a degree of thermal expansion and contraction, ensuring that it does not undergo axial deformation during operation, thereby ensuring the normal operation of the equipment.
  • the inlet port and the oil and gas outlet of the inner cylinder can use the same nozzle, and the pipeline connected thereto is composed of the connected oil and gas discharge pipe and the feed pipe.
  • the inner cylinder body and the outer cylinder body and the rotating shaft may be connected in the outer cylinder body, and only the rotating shaft and the outer cylinder body are matched.
  • the following structure may also be adopted at one end of the equipment: one end of the rotating shaft
  • the inner sleeve is provided with a sealing function, and the outer sleeve is sleeved outside the inner sleeve, and the end between the two is closed, and the heat insulating material is disposed therein; the outer sleeve is fixedly connected with the end of the inner cylinder body, and the outer sleeve
  • the cylinder is dynamically mated by a sealing mechanism. This structure also allows the outer cylinder to be properly deformed during operation without affecting the normal operation of the equipment.
  • the specific structure of the outer cylinder of the present invention may be in the following form: a hot air duct is arranged at a lower portion of the outer cylinder body, and a set of flue gas inlets for connecting the inner body cavity of the outer cylinder with the hot air duct is provided.
  • an air volume regulating valve is installed at the inlet of the flue gas; the flue gas outlet is arranged at the upper part of the outer cylinder body, and is equipped with a flue gas regulating door.
  • the invention has the characteristics that the process is simple and the automatic discharging can be realized, and the device has the advantages of small volume, low cost, simple structure and convenient operation, which can greatly reduce the labor intensity of the worker and improve the production efficiency.
  • Figure 1 is a cross-sectional view showing the state of use of the apparatus 16 of the present invention.
  • Figure 2 is the view of Figure 1.
  • the cracker is disposed in the hot air chamber, and the cracker is sealed between the hot air chamber, and the shell of the cracker with the inlet and the discharge port is exposed outside the hot air chamber; the hot air chamber is used for The cracker is provided with heat for cracking; the temperature in the hot air chamber is adjusted by the air distribution operation of the air inlet or the air outlet; the cracker rotates in the hot air chamber, and the material guide mechanism is arranged in the cracker.
  • the material guiding mechanism may adopt a vane structure, and the feed port and the discharge port of the cracker are located at both ends of the cracker, and the outlet of the cracking gas may be disposed at the rotation center of one end of the cracker; Both ends are exposed by the port of the hot air chamber.
  • the same direction of rotation of the cracker allows the feedstock to move from one end to the other in the cracker, completes the cracking process, and discharges the cracked gas and solid product from the other end.
  • the rotation of the cracker and the guiding action of the vanes facilitate the automatic discharge of solid products.
  • the cracked gas is discharged from its outlet.
  • Other parts of this embodiment employ the prior art.
  • the material guiding mechanism of this embodiment is one or several spiral belts fixed on the inner wall of the cracker. As the cracker rotates, the material moves in the grooves formed between the spiral bands and is axially distributed along the cracker and simultaneously cracked if the solid product is discharged from its discharge port to complete the cracking.
  • the other parts of this embodiment are the same as the process implementation 1.
  • the cracker is disposed in the hot air chamber, and the cracker is sealed between the hot air chamber, and the shell of the cracker with the inlet and the discharge port is exposed outside the hot air chamber; the hot air chamber is used for The cracker is provided with heat for cracking; the temperature in the hot air chamber is adjusted by the air distribution operation of the air inlet or the air outlet; the cracker rotates in the hot air chamber, and the material guide mechanism is arranged in the cracker.
  • the material guiding mechanism can adopt a vane structure, and the feed port and the discharge port of the cracker are located at the same end of the cracker, and the outlet of the cracking gas can be disposed at the rotation center of one end of the cracker; The end of the device is exposed by the port of the hot air chamber, and the other end can be disposed in the hot air chamber.
  • the movement of the material from one end to the other in the cracker can be achieved by rotating the cracker in one direction, and the raw material is distributed in the cracker to realize a cracking process.
  • the cracker is then reversed to return the feed to its entry end, during which a further split is performed.
  • the solid product can be automatically discharged through the rotation of the cracker and the guiding action of the blade. If the raw material has not been completely cracked, the above process may be repeated one or more times, and after the raw material is sufficiently cracked, it is automatically discharged by the rotation of the cracker and the guiding action of the blade. The cracked gas is discharged from its outlet. Other parts of this embodiment employ the prior art. .
  • the material guiding mechanism of this embodiment is one or several spiral belts fixed on the inner wall of the cracker. As the cracker rotates, the material moves in the grooves formed between the spiral belts and is axially distributed along the cracker and simultaneously cracked, forming a solid product which is discharged from its discharge port to complete the cracking.
  • the other parts of this embodiment are the same as those of the process embodiment 3.
  • This embodiment is based on the process embodiment 3 or 4 to change the structure of the feed port and the cracking gas outlet, so that this Both outlets use the same port.
  • the port was used for the feed before the cleavage reaction, and since there was no reaction at this time, no cracked gas was produced. In the case of cracking, it is not necessary to feed, so the port can be used for venting.
  • the cracker is designed as a structure assembled from the end caps at both ends thereof and the intermediate body, so that the end cap and the main body are sealed and fitted, and The feed port, the cracking gas outlet and the discharge port are arranged on the two end caps. In the working state, the end cap does not rotate, and the main body is connected with the power mechanism or the rotating shaft to rotate. '
  • the cracker is designed to be assembled by the end caps at both ends and the intermediate body, so that the end cap and the main body are sealed and matched.
  • the feed port, the cracking gas outlet and the discharge port are arranged on the same end cap. In the working state, the end cap does not rotate, and the main body is connected with the power mechanism or the rotating shaft for rotation.
  • the air inlet and the air outlet of the hot air chamber are improved, and the specific method is: the air is blown from the lower part in the hot air chamber, the air is discharged from the upper part, the air inlet and the outlet are The air outlets are respectively provided with air volume adjustment valves.
  • This method is reasonable in process, and it is beneficial to control the inlet air volume and the air outlet condition to control the temperature in the hot air chamber to meet the cracking requirements.
  • the embodiment comprises an outer cylinder with a hot air inlet and an air outlet, and an inner cylinder fixedly connected with the shaft and installed in the outer cylinder through the rotating shaft.
  • the feeding port on the inner cylinder is respectively arranged with the oil and gas outlet and the discharging port. At both ends, the ends are exposed to the outer cylinder, and the middle of the inner cylinder is located in the outer cylinder.
  • the rotating shaft is mounted on both ends of the inner cylinder.
  • the portion where the inner cylinder is in contact with the outer cylinder is a dynamic fit.
  • a spiral blade is fixed in the inner cylinder.
  • Other parts of this embodiment employ techniques.
  • the spiral barrel is not provided in the inner cylinder of the present embodiment, and the material guiding mechanism is one or more of the same-direction spiral belts fixed on the inner wall thereof, and otherwise the same as in the first embodiment.
  • the guiding effect of this structure is superior to that of Embodiment 1.
  • the embodiment comprises an outer cylinder with a hot air inlet and an air outlet, and an inner cylinder fixedly connected with the shaft and installed in the outer cylinder through the rotating shaft.
  • the feeding on the inner cylinder and the oil and gas outlet and the material outlet are located in the inner cylinder.
  • the end cap of the same end is exposed, and the end exposes the outer cylinder, and the middle and the other end of the inner cylinder are located in the outer cylinder.
  • a part of the rotating shaft is mounted on one end of the inner cylinder exposed to the outside of the outer cylinder, and a portion in contact between the inner cylinder and the outer cylinder is a dynamic fit.
  • the other end of the inner cylinder is in dynamic engagement with the outer cylinder through another portion of the shaft.
  • a spiral blade is fixed in the inner cylinder.
  • Other parts of this embodiment employ the prior art.
  • the inner cylinder of the present embodiment is not provided with a spiral blade, and the material guiding mechanism is one or more of the same-direction spiral belts fixed on the inner wall thereof, and otherwise, the same as the third embodiment.
  • Equipment Example 5
  • the embodiment comprises an outer cylinder with a hot air inlet and an air outlet, and an inner cylinder fixedly connected with the shaft and installed in the outer cylinder through the rotating shaft.
  • the feeding on the inner cylinder and the oil and gas outlet and the material outlet are located in the inner cylinder.
  • the end cap of the same end is exposed, and the end exposes the outer cylinder, and the middle of the inner cylinder is located in the outer cylinder.
  • the rotating shaft of the embodiment passes through the inner cylinder body, and the other end of one end passes through the sealing structure to pass through the end cap of the inner cylinder body with the feeding and the oil and gas outlet and the material outlet, and in the inner cylinder body, close to the inner cylinder end cover
  • the rib has a rib to connect the rotating shaft with the inner cylinder; the inner cylinder port is sealingly matched with the cylindrical portion on the end cover, and is mechanically matched with the outer cylinder.
  • the other end of the shaft is coupled to the inner cylinder by a sealing sleeve.
  • One or more concentric spiral belts are fixed on the inner wall of the inner cylinder.
  • Other parts of this embodiment employ the prior art.
  • the embodiment comprises an outer cylinder with a hot air inlet and an air outlet, and an inner cylinder fixedly connected with the shaft and installed in the outer cylinder through the rotating shaft.
  • the feeding on the inner cylinder and the oil and gas outlet and the material outlet are located in the inner cylinder.
  • the feed port and the oil and gas outlet are the same opening, and the pipe connected thereto is composed of the connected oil and gas discharge pipe and the feed pipe.
  • One end of the inner cylinder with the feed and the oil and gas outlet and the material outlet is exposed to the outer cylinder, and the middle and the other end of the inner cylinder are located in the outer cylinder.
  • a part of the rotating shaft is installed at one end of the inner cylinder exposed to the outside of the outer cylinder, and a portion of the inner cylinder contacting the outer cylinder is a dynamic fit.
  • the other end of the inner cylinder is in dynamic engagement with the outer cylinder through another portion of the shaft.
  • a spiral blade is fixed in the inner cylinder.
  • the inner cylinder of the present embodiment is not provided with a spiral blade, and the material guiding mechanism is one or more of the same-direction spiral belts fixed on the inner wall thereof, and otherwise, the same as the sixth embodiment.
  • the embodiment comprises an outer cylinder with a hot air inlet and an air outlet, and an inner cylinder fixedly connected with the shaft and installed in the outer cylinder through the rotating shaft.
  • the feeding on the inner cylinder and the oil and gas outlet and the material outlet are located in the inner cylinder.
  • the feed port and the oil and gas outlet are the same opening, and the pipe connected thereto is composed of the connected oil and gas discharge pipe and the feed pipe.
  • One end of the inner cylinder with the feed and the oil and gas outlet and the material outlet is exposed to the outer cylinder, and the middle of the inner cylinder is located in the outer cylinder.
  • the rotating shaft of the embodiment passes through the inner cylinder body, and the other end of one end passes through the sealing structure to pass through the end cap of the inner cylinder body with the feeding and the oil and gas outlet and the material outlet, and in the inner cylinder body, close to the inner cylinder end cover
  • the rib has a rib to connect the rotating shaft with the inner cylinder; the inner cylinder port is sealed and matched with the cylindrical portion on the end cover, and is correspondingly matched with the outer cylinder.
  • the other end of the shaft is coupled to the inner cylinder by a sealing sleeve.
  • the inner cylinder is provided with spiral blades.
  • Other parts of this embodiment employ the prior art.
  • the implementation tree includes an outer cylinder with a hot air inlet and an air outlet, and an inner cylinder fixedly connected to the shaft and installed in the outer cylinder through the rotating shaft.
  • the feeding on the inner cylinder and the oil and gas outlet and the material outlet are located in the inner cylinder.
  • the feed port and the oil and gas outlet are the same opening, and the pipe connected thereto is composed of the connected oil and gas discharge pipe and the feed pipe.
  • One end of the inner cylinder with the feed and the oil and gas outlet and the material outlet is exposed to the outer cylinder, and the middle of the inner cylinder is located in the outer cylinder.
  • the rotating shaft of the embodiment passes through the inner cylinder body, and the other end of one end passes through the sealing structure to pass through the end cap of the inner cylinder body with the feeding and the oil and gas outlet and the material outlet, and in the inner cylinder body, close to the inner cylinder end cover a rib is provided to connect the rotating shaft with the inner cylinder;
  • the inner cylinder port is sealingly and mechanically matched with the cylindrical portion on the end cover, and is in dynamic cooperation with the outer cylinder body.
  • the other end of the shaft is coupled to the inner cylinder by a sealing sleeve.
  • One or more concentric spiral belts are fixed on the inner wall of the inner cylinder.
  • Other parts of this embodiment employ the prior art.
  • the embodiment comprises an outer cylinder with a hot air inlet and an air outlet, and an inner cylinder fixedly connected with the shaft and installed in the outer cylinder through the rotating shaft.
  • the feeding on the inner cylinder and the oil and gas outlet and the material outlet are located in the inner cylinder.
  • the end cap of the same end is exposed, and the end exposes the outer cylinder, and the middle and the other end of the inner cylinder are located in the outer cylinder.
  • a part of the rotating shaft is mounted on one end of the inner cylinder exposed to the outside of the outer cylinder, and a portion in contact between the inner cylinder and the outer cylinder is a dynamic fit.
  • the other end of the inner cylinder is provided with a sealing inner sleeve, and the outer sleeve is sleeved outside the inner sleeve, and the end between the two is closed, and the heat insulating material is disposed therein; the outer sleeve and the inner cylinder The end is fixedly connected and is mechanically coupled with the outer cylinder through a sealing mechanism. A spiral blade is fixed in the inner cylinder.
  • the other parts of this embodiment employ the prior art.
  • the inner cylinder of this embodiment is not provided with a spiral blade, and the material guiding mechanism is one or more of the same-direction spiral belts fixed on the inner wall thereof, and otherwise, the same as the tenth embodiment.
  • the embodiment comprises an outer cylinder with a hot air inlet and an air outlet, and an inner cylinder fixedly connected with the shaft and installed in the outer cylinder through the rotating shaft.
  • the feeding on the inner cylinder and the oil and gas outlet and the material outlet are located in the inner cylinder.
  • the end cap of the same end is exposed, and the end exposes the outer cylinder, and the middle of the inner cylinder is located in the outer cylinder.
  • the rotating shaft of the embodiment passes through the inner cylinder body, and the other end of one end passes through the sealing structure to pass through the end cap of the inner cylinder body with the feeding and the oil and gas outlet and the material outlet, and in the inner cylinder body, close to the inner cylinder end cover
  • the rib has a rib to connect the rotating shaft with the inner cylinder; the inner cylinder port is sealed and matched with the cylindrical portion on the end cover, and is correspondingly matched with the outer cylinder.
  • the other end of the rotating shaft is provided with a sealing inner sleeve, and the outer sleeve is sleeved outside the inner sleeve, and the end between the two is closed, and the heat insulating material is installed therein; the outer sleeve is fixed to the end of the inner cylinder
  • the connection is coordinated with the outer cylinder through a sealing mechanism.
  • One or more concentric spiral belts are fixed on the inner wall of the inner cylinder.
  • Other parts of this embodiment employ the prior art. :
  • the embodiment comprises an outer cylinder with a hot air inlet and an air outlet, and an inner cylinder fixedly connected with the shaft and installed in the outer cylinder through the rotating shaft.
  • the feeding on the inner cylinder and the oil and gas outlet and the material outlet are located in the inner cylinder.
  • the feed port and the oil and gas outlet are the same opening, and the pipe connected thereto is composed of the connected oil and gas discharge pipe and the feed pipe.
  • One end of the inner cylinder with the feed and the oil and gas outlet and the material outlet is exposed to the outer cylinder, and the middle portion of the inner cylinder is located in the outer cylinder.
  • the rotating shaft of the embodiment passes through the inner cylinder body, and the other end of one end passes through the sealing structure to pass through the end cap of the inner cylinder body with the feeding and the oil and gas outlet and the material outlet, and in the inner cylinder body, close to the inner cylinder end cover
  • the rib has a rib to connect the rotating shaft with the inner cylinder; the inner cylinder port is sealed and matched with the cylindrical portion on the end cover, and is correspondingly matched with the outer cylinder.
  • the other end of the rotating shaft is provided with a sealing inner sleeve, and the outer sleeve is sleeved outside the inner sleeve, and the end between the two is closed, and the heat insulating material is installed therein; the outer sleeve is fixed to the end of the inner cylinder
  • the connection is coordinated with the outer cylinder through a sealing mechanism.
  • One or more concentric spiral belts are fixed on the inner wall of the inner cylinder.
  • Other parts of this embodiment employ the prior art.
  • the embodiment is an improvement of the air inlet and outlet structures on the outer cylinder based on the above various embodiments.
  • the specific structure is as follows: a lower part of the outer cylinder is provided with a hot air duct, and a set of the inner cylinder cavity and the heat are provided.
  • the flue gas inlet connected to the air duct is provided with an outer cylinder body, and the flue gas inlet is provided with an air volume adjusting valve; the flue gas outlet is arranged at an upper part of the outer cylinder body, and is equipped with a flue gas regulating door.
  • the present embodiment includes an outer cylinder 17 and an inner cylinder 16 disposed in its interior.
  • the outer cylinder 17 includes an inner, outer casing and a layer 18 of insulating material therebetween.
  • the upper portion of the outer cylinder 17 is provided with a set of flue gas outlets 1, and each flue gas outlet 1 is further provided with a flue gas regulating valve 2.
  • the lower portion of the outer cylinder 17 has a hot air duct 20 along the axial direction of the cylinder body.
  • the outer cylinder body 17 has a group of flue gas inlets 19 communicating the inner chamber with the hot air duct 20, and the flue gas inlets 19 are provided with air volume. Regulating valve 21.
  • Both ends of the inner cylinder 16 of the present embodiment are mounted on both end faces of the outer cylinder 17.
  • There is a through shaft 10 in the inner cylinder 16 and a sealing sleeve 26 is mounted on one end of the rotating shaft 10.
  • the sleeve 26 includes an inner sleeve, and the outer sleeve is sleeved outside the inner sleeve. The part is closed and contains insulation material.
  • the outer sleeve is fixedly coupled to the end of the inner cylinder and is mechanically coupled to the outer cylinder 17 by a sealing mechanism.
  • a support gear for mating the device support structure and a drive gear coupled to the power portion are mounted on the outer sleeve 28
  • the other end of the inner cylinder 16 is provided with an end cap having a cylindrical portion, and the upper portion of the end cap is provided with a port common to the raw material feed and the cracked gas discharge, and the pipe connected to the port is connected by the oil and gas discharge pipe and the inlet The composition of the tube.
  • the port at the end of the inner cylinder 16 has a structure that is movably engaged with the cylindrical portion of the end cap, and is provided with a sealing mechanism; there is a set of reinforcing ribs 6 fixedly connected to the rotating shaft 10; the portion of the inner cylinder 16 It is mated with the corresponding position of the outer cylinder 17, and the mating surface is provided with a sealing mechanism.
  • This end of the rotary shaft 10 is provided with a bearing 9 for connection with a support member.
  • Two coaxial spiral belts 3 are fixed to the inner wall of the inner cylinder 16.

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Abstract

L'invention concerne un procédé de craquage automatique rotatif pour craquer des caoutchoucs ou des plastiques, qui est effectué par installation d'une unité de craquage à l'intérieur d'une cavité de soufflage d'air chaud, par étanchétification de l'espace entre l'unité de craquage et la cavité de soufflage d'air chaud, par exposition des coques de l'entrée de charge et de sortie d'évacuation de l'unité de craquage à l'extérieur de la cavité de soufflage d'air chaud qui fournit la chaleur à l'unité de craquage, par ajustement du flux d'air chaud provenant de l'entrée et de la sortie afin de réguler la température dans la cavité de soufflage d'air chaud, par mise en rotation de l'unité de craquage dans la cavité de soufflage d'air chaud, et par installation d'un mécanisme de guidage de matériau dans l'unité de craquage. L'invention concerne également un appareil de craquage mettant en oeuvre le procédé mentionné, qui comprend un cylindre extérieur (17) pourvu d'une entrée d'air et d'une sortie d'air, et un cylindre intérieur rotatif (16) qui est monté à l'intérieur du cylindre extérieur (17) et qui est connecté à un arbre rotatif (10) du cylindre extérieur (17). L'entrée de charge (7), la sortie de gaz de pétrole et la sortie d'évacuation (13) du cylindre intérieur (16) sont exposées à l'extérieur du cylindre extérieur (17). Un mécanisme de guidage de matériau est présent dans le cylindre intérieur (16). Le procédé est simple, et le produit est déchargé automatiquement. L'appareil qui comprend une structure simple est de petite taille, économique et est facile à utiliser. Ledit appareil permet de réduire considérablement l'intensité du travail pour des ouvriers et d'améliorer l'efficacité de production.
PCT/CN2007/001503 2007-04-28 2007-05-08 Procédé de craquage automatique rotatif et appareil de craquage WO2008131601A1 (fr)

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CN200710015440 2007-04-28

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CN108911458A (zh) * 2018-08-13 2018-11-30 济南恒誉环保科技股份有限公司 一种油泥裂解装置
CN112391177A (zh) * 2019-08-14 2021-02-23 招远市汇潮新能源科技有限公司 一种裂解系统和裂解工艺

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CN101608130B (zh) * 2009-07-15 2012-11-21 牛斌 一种油化装备的防结焦工艺及自动清焦设备
CN102746862B (zh) * 2012-06-07 2013-09-25 河北景明循环产业股份有限公司 一种有机物废料连续裂解工业流化床
CN104711005A (zh) * 2015-03-20 2015-06-17 无锡市瑞尔精密机械有限公司 废旧轮胎热裂解处理装置

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CN108911458B (zh) * 2018-08-13 2023-09-08 济南恒誉环保科技股份有限公司 一种油泥裂解装置
CN112391177A (zh) * 2019-08-14 2021-02-23 招远市汇潮新能源科技有限公司 一种裂解系统和裂解工艺

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