CN211620415U - Internal circulation closed low-temperature negative-pressure thermal cracking furnace - Google Patents
Internal circulation closed low-temperature negative-pressure thermal cracking furnace Download PDFInfo
- Publication number
- CN211620415U CN211620415U CN202020007309.4U CN202020007309U CN211620415U CN 211620415 U CN211620415 U CN 211620415U CN 202020007309 U CN202020007309 U CN 202020007309U CN 211620415 U CN211620415 U CN 211620415U
- Authority
- CN
- China
- Prior art keywords
- thermal cracking
- fixed
- feeding
- cracking furnace
- sealing device
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Images
Classifications
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
- Y02P20/143—Feedstock the feedstock being recycled material, e.g. plastics
Abstract
The utility model discloses a closed low temperature negative pressure thermal cracking furnace of inner loop, including feeding screw, feeding screw's upper end surface is seted up there is the tire piece feed inlet, and feeding screw's right side surface passes through feed end sealing device and rotary barrel interconnect, rotary barrel's outside both sides surface has all cup jointed the riding wheel device, rotary barrel's outside central fixed surface has flue gas cavity heat preservation device, and flue gas cavity heat preservation device's upper end surface has seted up the flue gas outlet, rotary barrel end surface passes through discharge end sealing device and carbon black steel wire sorting unit interconnect. This closed low temperature negative pressure thermal cracking furnace of inner loop, feed end sealing device part make sealed effect not only obvious but also stable, isolated interior environment of stove and outside atmosphere, realize feeding and sealed integration, simple structure, low in cost, the effect is outstanding, and it is convenient to maintain, and is not fragile, need not to change the accessory, need not to consume any material.
Description
Technical Field
The utility model relates to a tire thermal cracking technical field specifically is a closed low temperature negative pressure thermal cracking furnace of inner loop.
Background
In recent years, with the continuous improvement of the living standard of people in China and the rapid development of the automobile industry, the social automobile conservation quantity is rapidly increased, the requirement on tires is increased year by year, the generated waste tires are rapidly increased in two-digit amplification, the pyrolysis of the waste tires is mainly carried out by adopting an earth process oil refining method in China, the earth process oil refining method causes the comprehensive utilization and treatment level of resource and harmlessness of the industry to be still lower, particularly, certain laggard small enterprises illegally purchase waste tire earth process oil refining, not only wastes rubber resources, but also discharges a large amount of toxic and harmful gases and wastes such as hydrogen sulfide, benzene, polycyclic aromatic hydrocarbon and the like in the fuel process, huge environmental pollution and ecological disasters are caused in some places, the healthy development of the industry is seriously influenced, and a plurality of defects of the earth process oil refining method are caused: indirect pyrolysis can not be used for continuous production, and a large amount of toxic and harmful gases such as hydrogen sulfide, benzene, polycyclic aromatic hydrocarbon and the like and wastes are discharged in the oil refining process; the method needs to use additional energy for heating, cannot ensure material balance, has simple production process, but has large workload, severe working environment, serious harm to body health, long pyrolysis time, low yield, more equipment defects and high maintenance cost, so that the waste tires are accelerated to be converted into sustainable energy products with high added value, and the research on disposal technology and the development of equipment become urgent.
Thermal cracking is one of the mainstream processes of current tire treatment and disposal, and as the thermal cracking needs to create an oxygen-free or oxygen-deficient environment, the sealing performance of the thermal cracking furnace is the key point for realizing the process.
The existing rotary furnace feeding device is usually separated from a sealing device, the structure is complex, the cost is high, the sealing device mainly comprises two sealing devices, one sealing device adopts friction sealing such as fish scale sealing, graphite block sealing and the like, the friction sealing is realized by compressing through a dynamic friction surface and a static friction surface, or a graphite block or a packing is arranged between the two sealing devices to form sealing, the sealing modes have complex structures and high cost, the air leakage is easy to cause by heating, vibration, furnace body deflection or deformation, the damage is easy, the sealing material is required to be frequently maintained and replaced, the other sealing device adopts inert gas such as nitrogen gas sealing, namely two graphite packing are arranged on the sealing friction surface, and nitrogen gas is introduced into a sealed cavity formed in the middle, the sealing effect is good, the sealing structure is complex, the manufacturing cost is high, the packing is required to be replaced periodically, the nitrogen gas is required to be injected continuously during. Aiming at the problems, the innovative design is carried out on the basis of the original low-temperature negative-pressure thermal cracking furnace.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides an internal circulation closed low-temperature negative-pressure thermal cracking furnace, which solves the problems that the feeding device of the prior rotary furnace is usually separated from a sealing device, the structure is complex, the cost is higher, the sealing device mainly comprises two sealing devices, one sealing device adopts friction sealing such as fish scale sealing and graphite block sealing, the sealing modes have complex structure and higher cost, and the internal circulation closed low-temperature negative-pressure thermal cracking furnace is easy to leak gas due to heating, vibration, furnace body deflection or deformation and is easy to damage; the other is to adopt inert gas sealing, namely two graphite packing sets are arranged on a sealing friction surface, and nitrogen is introduced into a sealed cavity formed in the middle, so that the sealing effect is good, but the sealing structure is complex, the manufacturing cost is high, and the operation and maintenance cost is high.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: an internal circulation closed low-temperature negative-pressure thermal cracking furnace comprises a feeding screw device, wherein a tire block feeding hole is formed in the upper end surface of the feeding screw device, the right side surface of the feeding screw device is connected with a rotary cylinder body through a feeding end sealing device, supporting wheel devices are sleeved on the two outer side surfaces of the rotary cylinder body, a smoke cavity heat preservation device is fixed on the outer center surface of the rotary cylinder body, a smoke gas outlet is formed in the upper end surface of the smoke cavity heat preservation device, the tail end surface of the rotary cylinder body is connected with a carbon black steel wire sorting device through a discharging end sealing device, a discharging box is mounted at the right end of the carbon black steel wire sorting device, a combustible gas outlet is formed in the right side surface of the upper end of the discharging box, a material port is formed in the lower end of the discharging box, and a driving device is fixedly connected to the left, the lower end of the interior of the flue gas chamber heat preservation device is fixed with a combustion heating device, and the lower end of the feed end sealing device is provided with a sealing fixed ring limiting track.
Preferably, the feeding screw device and the tire block feeding hole are of a welding integrated structure, the feeding screw device and the tire block feeding hole are communicated with each other, and the feeding screw device transversely penetrates through the inside of the feeding end sealing device.
Preferably, the feeding end sealing device comprises a positioning flange, a metal expansion joint, a fixed ring piece, a packing, a movable ring piece, an adjustable spring, a locking nut, a kiln fixing flange and a nitrogen compensation opening, the positioning flange is fixed at the left end of the feeding end sealing device, the metal expansion joint is welded on the surface of the right end of the positioning flange, and the fixed ring piece is fixed on the surface of the right side of the metal expansion joint.
Preferably, a packing is fixed inside the right side surface of the fixed ring piece, a movable ring piece is fixed on the left side of the packing, an adjustable spring is fixed on the right side of the upper end of the movable ring piece, a locking nut is fixed on the right side surface of the adjustable spring, and a kiln fixing flange is installed on the lower side of the locking nut.
Preferably, the inside of the fixed ring piece is longitudinally provided with a nitrogen compensation port in a through manner.
Preferably, the longitudinal section of the material port is in a trapezoidal structure, and the material port is in a cone structure with a large upper part and a small lower part.
Preferably, the combustion heating device longitudinally penetrates through the central surface of the lower end of the flue gas chamber heat preservation device.
(III) advantageous effects
The utility model provides an internal circulation closed low-temperature negative-pressure thermal cracking furnace. The method has the following beneficial effects:
(1) the internal circulation closed type low-temperature negative-pressure thermal cracking furnace can continuously run in the thermal cracking process of tires, and the sealing performance between each connecting part and each transmission part in the thermal cracking process of the tires is ensured, so that the micro negative pressure (-20Pa) in the thermal cracking process of the inside of the rotary cylinder is ensured, multi-state fuels such as fuel oil, carbon black, steel wires and pyrolysis combustible gas are obtained after the thermal cracking treatment of the tires, the cyclic utilization of self-generated energy in the thermal cracking process of the tires is effectively solved, and the purpose of energy conservation is effectively realized.
(2) This closed low temperature negative pressure thermal cracking furnace of inner loop, through feed end sealing device part, make sealed effect not only obvious but also stable, other like packing labyrinth seal, produce the gap gas leakage because of the deflection under rotary furnace year material and the high temperature condition easily, influence sealed effect, and the utility model discloses a sealed effect, isolated stove internal environment and outside atmosphere realize feeding and sealed integration, simple structure, low in cost, the effect is outstanding, and it is convenient to maintain, and is not fragile, need not to change the accessory, need not to consume any material.
(3) The internal circulation closed type low-temperature negative-pressure thermal cracking furnace achieves the purpose of separating carbon black and steel wires in the furnace through the carbon black and steel wire sorting device, enables a subsequent processing device to be simple, does not influence discharging due to agglomeration of the carbon black and the steel wires and the like, does not influence the carbonization effect of a main furnace, recycles purified carrier gas, is beneficial to discharging high-temperature combustible gas generated by carbonization out of the furnace, reduces the pressure of the system, can enable an exhaust fan of the system to save 20% of energy consumption, recycles the carrier gas, and achieves the effect of internal circulation closed type provided by the system.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is the structure schematic diagram of the feeding end sealing device of the utility model.
In the figure: 1. a feed screw device; 2. a tire block feed port; 3. a feed end sealing device; 301. positioning the flange; 302. a metal expansion joint; 303. fixing a ring piece; 304. packing; 305. a movable ring piece; 306. an adjustable spring; 307. locking the nut; 308. a kiln fixing flange; 309. a nitrogen gas compensation port; 4. a rotary cylinder; 5. a riding wheel device; 6. a flue gas outlet; 7. a flue gas chamber insulation device; 8. a discharge end sealing device; 9. a carbon black steel wire sorting device; 10. a discharging box; 11. a combustible gas outlet; 12. a material port; 13. a drive device; 14. a combustion heating device; 15. and sealing the fixed ring to limit the track.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
As shown in fig. 1-2, the utility model provides a technical solution: an internal circulation closed type low-temperature negative-pressure thermal cracking furnace comprises a feeding screw device 1, a tire block feeding port 2, a feeding end sealing device 3, a rotary cylinder 4, a riding wheel device 5, a flue gas outlet 6, a flue gas chamber heat preservation device 7, a discharging end sealing device 8, a carbon black steel wire sorting device 9, a discharging box 10, a combustible gas outlet 11, a material port 12, a driving device 13, a combustion heating device 14 and a sealing fixed ring limiting track 15, wherein the upper end surface of the feeding screw device 1 is provided with the tire block feeding port 2, the right side surface of the feeding screw device 1 is connected with the rotary cylinder 4 through the feeding end sealing device 3, the outer two side surfaces of the rotary cylinder 4 are respectively sleeved with the riding wheel devices 5, the outer central surface of the rotary cylinder 4 is fixed with the flue gas chamber heat preservation device 7, and the upper end surface of the flue gas chamber heat preservation device 7 is provided with the flue gas outlet, the tail end surface of the rotary cylinder 4 is mutually connected with a carbon black steel wire sorting device 9 through a discharge end sealing device 8, a discharge box 10 is installed at the right end of the carbon black steel wire sorting device 9, a combustible gas outlet 11 is formed in the right side surface of the upper end of the discharge box 10, a material port 12 is formed in the lower end of the discharge box 10, a driving device 13 is fixedly connected to the left side of the discharge end sealing device 8, a combustion heating device 14 is fixedly arranged at the lower end of the interior of the flue gas cavity heat preservation device 7, and a sealing fixed ring limiting track 15 is installed at the lower end of the feed end sealing device;
feeding screw 1 and tire piece feed inlet 2 are welding integral structure, and feeding screw 1 and tire piece feed inlet 2 link up each other simultaneously to feeding screw 1 transversely runs through the inside of feed end sealing device 3, compact structure.
Inside including positioning flange 301, metal expansion joint 302, decide ring spare 303, packing 304, movable ring spare 305, adjustable spring 306, lock nut 307, kiln mounting flange 308 and nitrogen gas compensation mouth 309, and positioning flange 301 fixes the inside left end at feed end sealing device 3, and positioning flange 301's right-hand member skin weld has metal expansion joint 302, the right side fixed surface of metal expansion joint 302 has decides ring spare 303 simultaneously, interior subassembly reasonable in design, it is good to make the sealed effect of hookup location.
The packing 304 is fixed inside the right side surface of the fixed ring piece 303, the moving ring piece 305 is fixed on the left side of the packing 304, the adjustable spring 306 is fixed on the right side of the upper end of the moving ring piece 305, the locking nut 307 is fixed on the right side surface of the adjustable spring 306, and the kiln fixing flange 308 is installed on the lower side of the locking nut 307, so that the installation structure is more stable.
The interior of the fixed ring piece 303 is longitudinally penetrated and provided with a nitrogen compensation port 309, so that the device assembly can conveniently operate inside.
The longitudinal section of the material port 12 is in a trapezoidal structure, and the material port 12 is in a cone structure with a large upper part and a small lower part, so that the material is convenient to output.
The combustion heating device 14 longitudinally penetrates through the central surface of the lower end of the flue gas chamber heat preservation device 7, the structural design is reasonable, and the device operation is convenient.
When the device is used, firstly, the device needs to be moved to a use position, materials are poured into the feeding screw device 1 through the tire block feeding hole 2, the feeding screw device 1 is divided into three sections of different structures (a feeding section, a sealing section and a conveying section), the key point is a smooth rod blade-free part adopted by the middle sealing section of the feeding screw device 1, when the feeding screw rotates to convey the materials, the material sealing of the smooth rod section screw is realized through the propelling action of the feed section screw blade, the conveying section screw can play a role in conveying the materials, and combustible gas (unpurified high-temperature combustible gas) generated by the pyrolysis furnace reversely flows through, so that the bidirectional effects of preheating the materials and reducing the temperature of the combustible gas are achieved;
after the materials are pushed to the inside of the rotary cylinder 4, the materials are processed after passing through a combustion heating device 14 in a flue gas cavity heat preservation device 7, then enter a carbon black steel wire sorting device 9 and a discharge box 10, and finally are discharged through a material port 12, wherein the material port 12 is of a cone structure with a large top and a small bottom, the material port 12 can facilitate the discharging of the materials, a sealing device is arranged after the rotary cylinder 4 is firstly reduced, so that the tire feeding and the thermal cracking combustible gas discharging and the furnace body feeding end sealing are integrated, the feeding end sealing device 3 is relatively small and low in cost, the tires are fed into the thermal cracking furnace through the feeding screw device 1, the feeding screw device 1 can achieve the feeding sealing through different structures, the feeding and sealing are integrated through the sealing effect, the environment in the furnace and the external atmosphere are isolated, the feeding and sealing integration is realized, the structure is, the manufacturing cost is low, the effect is outstanding, and the maintenance is convenient;
the feeding end sealing device 3 comprises a flexible expansion joint, a bolt for compression adjustment, a fixed ring member 303, a packing 304 or lubricating oil, a movable ring member 305, a compression ring, a spring for compression ring and the like, the fixed ring member 303 and the movable ring member 305 are tightly jointed through locking adjustment effects of the compression ring, the spring for compression ring, the bolt for compression adjustment and the like, so that the fixed ring member 303 and the movable ring member 305 are tightly jointed to achieve a sealing effect, the movable ring member 305 is connected with a welding flange of a rotary cylinder 4 of the thermal cracking furnace through the bolt, the welding positioning flange 301 is comprehensively welded with the rotary cylinder 4 to ensure sealing, and the fixed ring member 303 is connected with the flexible expansion joint through the bolt connection in a sealing manner and is fixed on an outer cylinder of the feeding; radial deformation, axial deformation, annular deformation, deflection deformation and the like generated when the rotary cylinder 4 runs can be absorbed by the springs through the flexible expansion joints and the compression rings, then the fixed ring piece 303 is tightly attached to the movable ring piece 305 to ensure the sealing of the rotary cylinder 4, and the sealing performance is better and better along with the mutual friction between the fixed ring piece 303 and the movable ring piece 305 in running;
the rotary cylinder 4 is cylindrical, a smoke chamber heat preservation device 7 is arranged on the periphery of the middle section of the rotary cylinder 4, a smoke outlet 6 is arranged at the upper end of the smoke chamber heat preservation device 7, one end of the smoke outlet 6 is communicated with the smoke chamber heat preservation device 7, the other end of the smoke outlet is directly communicated with a waste heat boiler of a subsequent process, a combustion heating device 14 is further arranged at the inner lower end of the smoke chamber heat preservation device 7, high-temperature smoke generated by the combustion heating device 14 uniformly heats the rotary cylinder 4, the temperature in the thermal cracking furnace is kept at the designed requirement (low temperature 400-, energy is greatly saved;
the part of the rotary cylinder body 4 comprises a temperature control device 7 of a smoke chamber heat preservation device 7, the temperature control device 7 of the smoke chamber heat preservation device 7 is arranged in the smoke chamber heat preservation device 7 and is used for measuring the smoke temperature so as to better realize the temperature control of the thermal cracking process, the part of the rotary cylinder body 4 also comprises a driving device 13 which is used as a power source to enable the rotary cylinder body 4 to rotate relative to an outer cylinder and a discharge box 10 of a feeding screw device 1, riding wheel devices 5 are arranged at the feeding and discharging ends of the rotary cylinder body 4, the rotary cylinder body 4 is rotatably supported through the two riding wheel devices 5, so that the rotary cylinder body 4 can rotate around the axial line of the rotary cylinder body 4 in the length direction relative to the outer cylinder and the discharge box 10 of the feeding screw device 1 under the action of the driving device 13, tires in the rotary cylinder body 4 can be uniformly heated, and a discharge end sealing device 8, the thermal cracking furnace has the advantages that sealing is guaranteed, the rotary cylinder 4 of the thermal cracking furnace expands by about 100mm towards the feeding end, in order to absorb the displacement of the part, the expansion joint sealed at the feeding end adopts a flexible structure (a refractory fiber blanket and fluororubber) and is provided with the sealing fixed ring limiting track 15, so that when the furnace body runs, the high-temperature expansion displacement of the furnace body can be guaranteed to be absorbed, and the sealing effect is realized;
the thermal cracking solid product carbon black and steel wires can be separated through the arranged carbon black steel wire sorting device 9, the solid product carbon black and the steel wires respectively enter the steel wire discharge chute and the carbon black discharge chute to play a sorting role in subsequent carbon black steel wire treatment, the purified and cooled combustible gas is sent back to the thermal cracking furnace as carrier gas through the combustible gas outlet 11 arranged on the discharge box 10, the feeding and discharging and sealing integration of the feed end of the furnace head and the flexible connection and hard sealing of the discharge end of the furnace tail are adopted, the high sealing performance of the thermal cracking furnace is realized, the safety and the thoroughness of the tire carbonization process are ensured, the purposes of tire harmlessness, resource, reduction and stabilization treatment are realized, the working principle of the internal circulation closed type low-temperature negative-pressure thermal cracking furnace is realized, and meanwhile, the content which is not described in detail in the specification belongs to the prior art known.
In conclusion, the internal circulation closed type low-temperature negative-pressure thermal cracking furnace can realize continuous operation in the thermal cracking process of tires, and ensures the sealing performance between each connecting part and a transmission part in the thermal cracking process of the tires, thereby ensuring the micro negative pressure (-20Pa) in the thermal cracking process of the interior of the rotary cylinder 4, obtaining multi-state fuels such as fuel oil, carbon black, steel wires, pyrolytic combustible gas and the like after the thermal cracking process of the tires, effectively solving the recycling of self-generated energy in the thermal cracking process of the tires, effectively realizing the purpose of energy saving, and leading the sealing effect to be obvious and stable through the feeding end sealing device 3 part, other materials such as filler labyrinth seal, and easily generate gap air leakage due to deflection under the conditions of loading materials and high temperature of the rotary furnace, thus influencing the sealing effect, isolated stove interior environment and outside atmosphere, realize feeding and sealed integration, moreover, the steam generator is simple in structure, low in cost, the effect is outstanding, it is convenient to maintain, it is not fragile, need not to change the accessory, need not to consume any material, through carbon black steel wire sorting unit 9, reach the purpose of the interior separation carbon black of stove and steel wire, make the follow-up processing apparatus simple, do not influence the ejection of compact because of carbon black and steel wire agglomeration etc. do not, and do not influence main part stove carbomorphism effect, the carrier gas of purification is returned cyclic utilization, be favorable to the high temperature combustible gas that the carbomorphism produced and discharge out of the stove, the reduction system pressure can make the system air exhauster save 20% of energy consumption, return cyclic utilization through the.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a closed low temperature negative pressure thermal cracking furnace of inner loop, includes feeding screw means (1), its characterized in that: the feeding device is characterized in that a tire block feeding hole (2) is formed in the upper end surface of the feeding screw device (1), the right side surface of the feeding screw device (1) is connected with the rotary cylinder body (4) through a feeding end sealing device (3), supporting wheel devices (5) are sleeved on the two outer side surfaces of the rotary cylinder body (4), a smoke cavity heat preservation device (7) is fixed on the outer center surface of the rotary cylinder body (4), a smoke gas outlet (6) is formed in the upper end surface of the smoke cavity heat preservation device (7), the tail end surface of the rotary cylinder body (4) is connected with a carbon black steel wire sorting device (9) through a discharging end sealing device (8), a discharging box (10) is installed at the right end of the carbon black steel wire sorting device (9), a combustible gas outlet (11) is formed in the right side surface of the upper end of the discharging box (10), and a material (12) is formed in the lower end of the discharging box, the left side of discharge end sealing device (8) is connected and is fixed with drive arrangement (13), the inside lower extreme of flue gas cavity heat preservation device (7) is fixed with combustion heating device (14), sealed stationary ring limit track (15) are installed to the lower extreme of feed end sealing device (3).
2. The thermal cracking furnace of claim 1, wherein: feeding screw (1) and tire piece feed inlet (2) are the welding integral structure, and feeding screw (1) link up each other with tire piece feed inlet (2) simultaneously to feeding screw (1) transversely runs through the inside of feed end sealing device (3).
3. The thermal cracking furnace of claim 1, wherein: the feeding end sealing device (3) is internally provided with a positioning flange (301), a metal expansion joint (302), a fixed ring piece (303), a packing (304), a movable ring piece (305), an adjustable spring (306), a locking nut (307), a kiln fixing flange (308) and a nitrogen compensation port (309), the positioning flange (301) is fixed at the left end of the feeding end sealing device (3), the metal expansion joint (302) is welded on the surface of the right end of the positioning flange (301), and the fixed ring piece (303) is fixed on the surface of the right side of the metal expansion joint (302).
4. The thermal cracking furnace of claim 3, wherein: packing (304) are fixed inside the right side surface of the fixed ring piece (303), a movable ring piece (305) is fixed on the left side of the packing (304), an adjustable spring (306) is fixed on the right side of the upper end of the movable ring piece (305), a locking nut (307) is fixed on the right side surface of the adjustable spring (306), and a kiln fixing flange (308) is installed on the lower side of the locking nut (307).
5. The thermal cracking furnace of claim 3, wherein: and a nitrogen compensation port (309) is longitudinally arranged in the fixed ring piece (303) in a penetrating manner.
6. The thermal cracking furnace of claim 3, wherein: the longitudinal section of the material port (12) is of a trapezoidal structure, and the material port (12) is of a cone structure with a large upper part and a small lower part.
7. The thermal cracking furnace of claim 1, wherein: the combustion heating device (14) longitudinally penetrates through the central surface of the lower end of the flue gas chamber heat preservation device (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020007309.4U CN211620415U (en) | 2020-01-02 | 2020-01-02 | Internal circulation closed low-temperature negative-pressure thermal cracking furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020007309.4U CN211620415U (en) | 2020-01-02 | 2020-01-02 | Internal circulation closed low-temperature negative-pressure thermal cracking furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211620415U true CN211620415U (en) | 2020-10-02 |
Family
ID=72635701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020007309.4U Active CN211620415U (en) | 2020-01-02 | 2020-01-02 | Internal circulation closed low-temperature negative-pressure thermal cracking furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211620415U (en) |
-
2020
- 2020-01-02 CN CN202020007309.4U patent/CN211620415U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102173554B (en) | System for drying and handling sludge with waste gas from cement production | |
| US4589354A (en) | Apparatus for the recovery of gases from waste materials | |
| AU2013224512B2 (en) | Sleeving cylinder-type coal matter pyrolysis device | |
| CN103952165A (en) | Multilayer rotary kiln based small granular material destructive distillation method | |
| CN106281374A (en) | Biomass dry distillation gas production rotary furnace | |
| CN104357077A (en) | Horizontal type screw rod structure cracking furnace for waste tire resource recycling | |
| RU2646917C1 (en) | Method of thermochemical conversion of organic containing raw material and the complex of thermochemical conversion including the rejector of conjugated heating for its implementation | |
| CN204779473U (en) | Prevent pyrolysis of coal of dust and carry matter rotary furnace | |
| CN110805907B (en) | Process and device for treating solid waste salt cracking furnace containing water, organic matters and other soluble gases | |
| CN211620415U (en) | Internal circulation closed low-temperature negative-pressure thermal cracking furnace | |
| US3707355A (en) | Reactor apparatus | |
| CN114806614B (en) | Rotary kiln pyrolysis carbonization device and process based on smoke injection recycling | |
| CN110285423B (en) | Pyrolysis method for pushing organic solid waste by self-burning and pressurizing pyrolysis gas | |
| CN215175077U (en) | Hazardous waste salt pyrolysis system | |
| CN212222869U (en) | Continuous cracking equipment for waste tires | |
| CN211311382U (en) | Feeding, air outlet and sealing integrated device for thermal cracking furnace | |
| CN209934750U (en) | Powder activated carbon regeneration furnace of silicon carbide furnace pipe material | |
| CN105441093A (en) | Feeding and sealing integrated high-sealing-performance sludge carbonizing device and technology | |
| CN210001748U (en) | Continuous type oily sludge pyrolysis equipment | |
| CN208846907U (en) | House refuse shaftless screw drying conveyor | |
| CN106838948B (en) | A kind of processing absorption special lag cooler of VOCs exhaust gas solid waste accumulation of heat second-time burning purifiers | |
| CN207933241U (en) | A kind of apparatus and system of thermal desorption harmless treatment oil sludge | |
| CN207486332U (en) | A kind of high-efficiency carbon fibre carbide furnace waste discharge duct cleaning cabin | |
| CN212930036U (en) | Hazardous waste material carbide gas recycling combustion system | |
| CN210861110U (en) | Pyrolysis gas self-burning, pressurizing and pushing organic solid waste pyrolysis device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220817 Address after: No. 1628, suzhao Road, Minhang District, Shanghai Patentee after: China Orange Enterprise Development (Shanghai) Co., Ltd. Address before: Room 3101, No.1, Lane 166, Minhong Road, Minhang District, Shanghai Patentee before: Sigent new energy technology (Shanghai) Co.,Ltd. |
|
| TR01 | Transfer of patent right |