CN115262038A - Polyacrylonitrile preoxidation carbonization equipment - Google Patents
Polyacrylonitrile preoxidation carbonization equipment Download PDFInfo
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- CN115262038A CN115262038A CN202210675758.XA CN202210675758A CN115262038A CN 115262038 A CN115262038 A CN 115262038A CN 202210675758 A CN202210675758 A CN 202210675758A CN 115262038 A CN115262038 A CN 115262038A
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
- D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof
- D01F9/14—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments
- D01F9/32—Apparatus therefor
- D01F9/328—Apparatus therefor for manufacturing filaments from polyaddition, polycondensation, or polymerisation products
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
- D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof
- D01F9/14—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments
- D01F9/20—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products
- D01F9/21—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F9/22—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyacrylonitriles
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Abstract
The invention relates to the technical field of pre-oxidation carbonization equipment, and provides polyacrylonitrile pre-oxidation carbonization equipment which has a specific equipment structure, is more specific by combining a specific equipment forming treatment process, has better technical support and better coupling among steps, is subjected to preheating treatment before carbonization of polyacrylonitrile short fibers, has more excellent material performance of the treated polyacrylonitrile short fibers, can simultaneously control feeding and discharging on site, is reasonable in layout and is more practical.
Description
Technical Field
The invention relates to the technical field of pre-oxidation carbonization equipment, in particular to polyacrylonitrile pre-oxidation carbonization equipment.
Background
As is well known, polyacrylonitrile is widely used in many aspects of our lives as one of important raw materials for manufacturing synthetic fibers, artificial fibers, wool, knitted fabrics, woven fabrics and the like, wherein in the production and processing process of polyacrylonitrile carbonized short fibers, the raw material polyacrylonitrile needs to be carbonized, so that a polyacrylonitrile preoxidation carbonization device is provided for facilitating preoxidation carbonization treatment of polyacrylonitrile.
Through search, the Chinese patent of invention with publication number CN112575412A, which is disclosed in 3.3.2021, discloses a continuous carbonization method of polyacrylonitrile short fiber, which is roughly described as comprising the following steps: step 1: filling polyacrylonitrile short fibers into a distribution box, filling a carbonization furnace with protective gas, and step 2: sending the subpackage boxes into a carbonization furnace in batches through a conveyor belt for high-temperature carbonization, and carrying out electromagnetic oscillation heating on polyacrylonitrile in the subpackage boxes through an electromagnetic heating device at the bottom of the conveyor belt in the carbonization furnace, wherein the temperature in the carbonization furnace is 180-300 ℃, and step 3: and (3) conveying the subpackage boxes into a cooling tank through a conveying belt, and rapidly cooling to below 120 ℃, and step 4: sending the cooled polyacrylonitrile carbonized fiber into an industrial washing machine through a conveyor belt for erosion, adding an erosion liquid at normal temperature and normal pressure for stirring erosion, and performing the following steps of 5: the etched polyacrylonitrile carbonized fiber is dried at the temperature of 100 ℃, when the polyacrylonitrile carbonized fiber is used, the polyacrylonitrile carbonized fiber in the packaging box is uniformly heated by the heating mode of electromagnetic oscillation, the carbonization effect is ensured, and the polyacrylonitrile short fiber is packaged into the packaging box and then is conveyed by the conveying belt, so that batch continuous carbonization is realized.
Although the above-mentioned prior art scheme can be used for continuous carbonization treatment of polyacrylonitrile short fibers, the preheating treatment of the polyacrylonitrile short fibers is deficient in the treatment process, and in the treatment process, the polyacrylonitrile short fibers are directly heated and carbonized without being preheated, which has a certain influence on the material performance, and meanwhile, the method is limited only for the treatment method, and the explanation of a specific structure is not realized, and the technical support is thin.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides polyacrylonitrile preoxidation carbonization equipment which has a specific equipment structure, is more specific by combining a specific equipment forming treatment process, has better technical support and better coupling among steps, performs preheating treatment on polyacrylonitrile short fibers before carbonization, has more excellent material performance of the treated polyacrylonitrile short fibers, can simultaneously control feeding and discharging on site, and has more reasonable layout and better practicability.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a polyacrylonitrile pre-oxidation carbonization equipment, includes the carbide furnace, still includes preheater, cooler bin, washs case and drying cabinet, between preheater and the carbide furnace, between carbide furnace and the cooler bin, between cooler bin and the washing case, wash and all communicate through the switching section between case and the drying cabinet, all install the conveyer belt in the preheater furnace, the carbide furnace, in the cooler bin, wash the incasement and the drying cabinet, the conveyer belt includes interconnect's translation section and ascending section to one side, a plurality of flat support frames are installed to the translation section, a plurality of bearing diagonal is installed to the ascending section to one side, and is a plurality of the equal mutual parallel and level in bottom of bearing diagonal and a plurality of flat support frame has seted up the feed port on the preheater furnace, fixedly connected with feeding swash plate in the feed port, the discharge opening has been seted up to the drying cabinet, fixedly connected with the swash plate of unloading in the discharge opening installs in the preheater furnace and preheats electromagnetic oscillation heater, install carbonization electromagnetic oscillation heater in the carbide furnace, the cooler bin last intercommunication of washing outlet duct has cooling intake pipe and cooling air outlet duct, and wash the feed liquor and wash the fluid-discharge tube, and dry air return air pipe on the drying cabinet.
On the basis of the scheme, the plurality of translation sections comprise a first translation frame and a second translation frame, the plurality of inclined lifting sections comprise a first inclined lifting frame and a plurality of second inclined lifting frames, the plurality of first inclined lifting frames are connected with a first corner frame, the plurality of first corner frames are respectively connected with the plurality of first translation frames, the plurality of second inclined lifting frames are connected with a second corner frame, the plurality of second corner frames are respectively connected with the plurality of second translation frames, the plurality of first translation frames are respectively and rotatably connected with a horizontal rotation auxiliary shaft, the plurality of horizontal rotation auxiliary shafts are respectively and rotatably connected with the plurality of second translation frames, the plurality of first inclined lifting frames are respectively and rotatably connected with an inclined rotation main shaft, and the plurality of inclined rotation main shafts are respectively and rotatably connected with the plurality of second inclined lifting frames, and be located the flat transfer in same conveyer belt and assist the axle and the transmission is connected with the conveying chain between the main shaft that turns to one side, and all rotate on a plurality of first corner brackets and be connected with steering spindle and a plurality of guide roller, a plurality of steering spindle and a plurality of guide roller rotate with a plurality of second corner brackets respectively and be connected, steering spindle and guide roller are used for turning to of conveying chain, the bottom of first translation frame and the bottom of second translation frame all with the top fixed connection of flat support frame, the bottom of first oblique lift frame and the bottom of second oblique lift frame all with the top fixed connection of bearing frame, all install inverter motor on the preheating furnace, on the carbide furnace, on the cooling cabinet, on wasing the case and on the drying cabinet, it is a plurality of inverter motor is used for the rotation drive of a plurality of main shafts that turns to one side respectively.
Preferably on the basis of the scheme, four connect the turn-ups on the equal fixedly connected with in top of a switching section of thick bamboo, connect the turn-ups under the equal fixedly connected with in bottom of four switching sections, four go up and connect the turn-ups all through a plurality of connecting bolts respectively with the bottom of preheater, the bottom of carbide furnace is connected, the bottom of cooler bin is connected and the bottom of wasing the case is connected, four connect the turn-ups down all through a plurality of connecting bolts down respectively with the top of carbide furnace be connected, the top of cooler bin is connected, the top of wasing the case is connected and the top of drying cabinet is connected.
Further on the basis of the scheme, a plurality of through openings are formed in the bottom end of the preheating furnace, the bottom end of the carbonization furnace, the bottom end of the cooling box, the bottom end of the cleaning box and the bottom end of the drying box, and the flat support frames and the inclined support frames penetrate through the through openings respectively.
On the basis of the scheme, the preheating furnace, the carbonization furnace, the cooling box, the cleaning box and the drying box are in prismatic structure layout.
On the basis of the scheme, the bottom ends of the flat supporting frames and the bottom ends of the inclined supporting frames are fixedly connected with channel steel.
As a further aspect of the above solution, a plurality of the channel steels are provided with a first opening hole and a second opening hole.
As a further aspect of the above scheme, the feeding sloping plate and the discharging sloping plate are both fixedly connected with two material blocking flanges.
(III) advantageous effects
Compared with the prior art, the invention provides polyacrylonitrile preoxidation carbonization equipment, which has the following beneficial effects:
1. according to the invention, through the design of the adapter cylinder, the sequential communication of the preheating furnace, the carbonization furnace, the cooling box, the cleaning box and the drying box is realized, so that the polyacrylonitrile pre-oxidation carbonization equipment has a specific equipment structure, the treatment process formed by combining the specific equipment is more specific, the technical support is better, and the coupling performance among the steps is better.
2. According to the invention, the preheating and temperature rise of the polyacrylonitrile entering the carbonization furnace for carbonization are realized through the arrangement of the preheating furnace, so that the preoxidation before the carbonization of the polyacrylonitrile is realized, the preheating treatment is performed before the carbonization of the polyacrylonitrile short fiber, and the material performance of the treated polyacrylonitrile short fiber is relatively superior.
3. According to the invention, through the integral structural arrangement of the preheating furnace, the carbonization furnace, the cooling box, the cleaning box and the drying box, the position of the feeding material and the position of the discharging material are arranged in a staggered manner in the same space, the feeding and the discharging can be controlled on site at the same time, the layout is reasonable, and the practicability is good.
Drawings
FIG. 1 is a partially sectional perspective view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B according to the present invention;
FIG. 4 is an enlarged partial view of FIG. 1 at C;
FIG. 5 is a schematic perspective view of the present invention;
FIG. 6 is an exploded perspective view of the conveyor belt of the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 6 at D;
fig. 8 is a schematic view of a three-dimensional structure of the adapter cylinder, the upper connecting flange and the lower connecting flange in cooperation.
In the figure: 1. carbonizing furnaces; 2. preheating a furnace; 3. a cooling tank; 4. a cleaning tank; 5. a drying oven; 6. a transfer cylinder; 7. a flat support frame; 8. an inclined support frame; 9. a feeding inclined plate; 10. a discharging sloping plate; 11. cooling the air inlet pipe; 12. cooling the air outlet pipe; 13. cleaning the liquid inlet pipe; 14. cleaning a liquid discharge pipe; 15. a dry air inlet pipe; 16. a dry air return pipe; 17. a first translation stage; 18. a second translation stage; 19. a first ramp-up frame; 20. a second tilt frame; 21. a first corner bracket; 22. a second corner bracket; 23. the auxiliary shaft is rotated horizontally; 24. obliquely rotating the main shaft; 25. a conveyor chain; 26. a steering shaft; 27. the upper connecting flanging; 28. a lower connecting flange; 29. channel steel; 30. a first open hole; 31. a second open aperture; 32. the material blocking flanging.
Detailed Description
Examples
Referring to fig. 1-8, a polyacrylonitrile pre-oxidation carbonization device comprises a carbonization furnace 1, a preheating furnace 2, a cooling box 3, a cleaning box 4 and a drying box 5, wherein the preheating furnace 2 is communicated with the carbonization furnace 1, the carbonization furnace 1 is communicated with the cooling box 3, the cooling box 3 is communicated with the cleaning box 4, and the cleaning box 4 is communicated with the drying box 5 through adapter cylinders 6, the top ends of the four adapter cylinders 6 are fixedly connected with upper connecting flanges 27, the bottom ends of the four adapter cylinders 6 are fixedly connected with lower connecting flanges 28, the four upper connecting flanges 27 are respectively connected with the bottom end of the preheating furnace 2, the bottom end of the carbonization furnace 1, the bottom end of the cooling box 3 and the bottom end of the cleaning box 4 through a plurality of upper connecting bolts, the four lower connecting flanges 28 are respectively connected with the top end of the carbonization furnace 1, the top end of the cooling box 3, the top end of the cleaning box 4 and the top end of the drying box 5 through a plurality of lower connecting bolts, through the design of the adapter cylinder 6, the sequential communication of the preheating furnace 2, the carbonization furnace 1, the cooling box 3, the cleaning box 4 and the drying box 5 is realized, so that the polyacrylonitrile preoxidation carbonization equipment has a specific equipment structure, and is more specific by combining with a specific equipment forming treatment process, the technical support is better, the coupling performance among all the steps is better, the preheating furnace 2, the carbonization furnace 1, the cooling box 3, the cleaning box 4 and the drying box 5 are in prismatic structural layout, conveying belts are respectively arranged in the preheating furnace 2, the carbonization furnace 1, the cooling box 3, the cleaning box 4 and the drying box 5 and comprise a translation section and an inclined lifting section which are mutually connected, a plurality of flat support frames 7 are arranged in the translation section, a plurality of inclined support frames 8 are arranged in the inclined lifting section, the bottom ends of the plurality of inclined support frames 8 are flush with the bottom ends of the plurality of flat support frames 7, the bottom of preheater 2, the bottom of carbide furnace 1, the bottom of cooler bin 3, a plurality of passing through mouths have all been seted up to the bottom of wasing case 4 and the bottom of drying cabinet 5, a plurality of flat support frame 7 and a plurality of bearing diagonal frame 8 pass a plurality of passing through mouths respectively, the equal fixedly connected with channel-section steel 29 in the bottom of a plurality of flat support frame 7 and a plurality of bearing diagonal frame 8, form the support to flat support frame 7 and bearing diagonal frame 8, improve flat support frame 7 and bearing diagonal frame 8's structural strength, first opening hole 30 and second opening hole 31 have all been seted up on a plurality of channel-section steels 29, make things convenient for channel-section steel 29 to place the in-process and the fixed connection of placing the face.
It should be further noted that the plurality of translation sections each include a first translation rack 17 and a second translation rack 18, the plurality of tilt sections each include a first tilt rack 19 and a plurality of second tilt racks 20, the plurality of first tilt racks 19 are each connected with a first corner rack 21, the plurality of first corner racks 21 are each connected with the plurality of first translation racks 17, the plurality of second tilt racks 20 are each connected with a second corner rack 22, the plurality of second corner racks 22 are each connected with the plurality of second translation racks 18, the plurality of first translation racks 17 are each rotatably connected with a horizontal transfer auxiliary shaft 23, the plurality of horizontal transfer auxiliary shafts 23 are each rotatably connected with the plurality of second translation racks 18, the plurality of first tilt racks 19 are each rotatably connected with a tilt main shaft 24, the plurality of tilt main shafts 24 are each rotatably connected with the plurality of second tilt racks 20, and the horizontal transfer auxiliary shafts 23 and the tilt main shafts 24 in the same conveyor belt are connected with a preheating shaft 25, the first tilt main shafts 21 are each rotatably connected with a tilt main shaft 24, the plurality of tilt main shafts 24 are each rotatably connected with a plurality of second tilt main shafts 20, the first tilt main shafts 26 are each rotatably connected with a preheating shaft 26, the bottom end of a cooling auxiliary shaft 26 of a drying box and a drying box, the drying box 2, the drying box is connected with a plurality of drying box, the first tilt roller 26, the drying box and a drying box, the drying box 20 are each drying box, each drying box 20, the discharge opening has been seted up to drying cabinet 5, fixedly connected with swash plate 10 of unloading in the discharge opening, through preheater 2, carbonization furnace 1, cooler bin 3, wash the holistic structural arrangement of case 4 and drying cabinet 5, the position that the feeding was located and the position that the ejection of compact was located are at same space staggered arrangement, feeding and ejection of compact can be simultaneously on-the-spot management and control, the overall arrangement is more reasonable, and the practicality is better, feeding swash plate 9 and the equal fixedly connected with of swash plate 10 of unloading keep off material turn-ups 32, guide when making things convenient for feeding and ejection of compact, avoid scattering of the polyacrylonitrile before handling and scattering of the polyacrylonitrile after handling, install the electromagnetic oscillation heater of preheating furnace 2, through the outfit of preheater 2, realize the preheating and rising temperature to the polyacrylonitrile that gets into carbonization furnace 1 carbonization treatment, thereby realize the preoxidation before the carbonization to the polyacrylonitrile, preheating treatment has been carried out before the carbonization to the polyacrylonitrile staple fiber, the material performance of the polyacrylonitrile after-treatment is comparatively superior, install carbonization electromagnetic heater in carbonization furnace 1, intercommunication has cooling intake pipe 11 and cooling outlet duct 12 on the cooler bin 3, wash feed liquor pipe 13 and wash discharge tube 14 on the case, there are air exhaust pipe 15 and drying cabinet 5 and drying duct 16 intercommunication drying air drying duct 16.
The preheating electromagnetic oscillation heater, the carbonization electromagnetic oscillation heater and the variable frequency motor in the embodiment are conventional devices which are purchased from the market and are well known by persons skilled in the art, and can be customized according to actual needs.
In conclusion, the working process of the polyacrylonitrile pre-oxidation carbonization equipment is that when the equipment is used, the polyacrylonitrile is firstly pre-oxidation carbonized and installed at the bottom end required to be used, then matched circuits are connected according to respective specifications of the preheating electromagnetic oscillation heater, the carbonization electromagnetic oscillation heater and the variable frequency motor, then the cleaning liquid inlet pipe 13 and the cleaning liquid outlet pipe 14 are communicated with an external cleaning liquid supply system, the cooling air inlet pipe 11 and the cooling air outlet pipe 12 are connected with an external cold air supply system, the drying air inlet pipe 15 and the drying air return pipe 16 are communicated with an external drying air supply system, when the polyacrylonitrile is required to be treated, respective power supplies of the preheating electromagnetic oscillation heater, the carbonization electromagnetic oscillation heater and the variable frequency motor are switched on, and circulating cleaning liquid is provided for the cleaning tank 4 through the external cleaning liquid supply system, circulating cooling air is provided for the cooling box 3 through an external cold air supply system, circulating drying air is provided for the drying box 5 through an external drying air supply system, a plurality of variable frequency motors work to drive a plurality of conveying chains 25, polyacrylonitrile to be processed is guided to enter the preheating furnace 2 through the feeding inclined plate 9, preheated through the preheating electromagnetic oscillation heater and then enters the carbonization furnace 1, the carbonization electromagnetic oscillation heater in the carbonization furnace 1 realizes carbonization of the preheated polyacrylonitrile, the carbonized polyacrylonitrile enters the cooling box 3, cooling is realized under the action of the circulating cooling air in the cooling box 3, the cooled polyacrylonitrile enters the cleaning box 4, cleaning is realized through the cleaning liquid circulating in the cleaning box 4, the cleaned polyacrylonitrile enters the drying box 5, and the cleaned polyacrylonitrile is dried through the circulating drying air in the drying box 5, polyacrylonitrile after the drying is accomplished is discharged through the guide of the swash plate 10 of unloading to realize the whole preoxidation carbonization's of polyacrylonitrile process, polyacrylonitrile mutually supports and realizes transporting through a plurality of conveyor chains 25 head and the tail in whole preoxidation carbonization's process, and crisscross arrangement about feeding swash plate 9 and the swash plate 10 of unloading makes things convenient for the management and control and the observation when feeding and the ejection of compact.
Claims (8)
1. The utility model provides a polyacrylonitrile pre-oxidation carbonization equipment, includes carbide furnace (1), its characterized in that still includes preheater (2), cooler bin (3), washs case (4) and drying cabinet (5), between preheater (2) and carbide furnace (1), between carbide furnace (1) and cooler bin (3), cooler bin (3) and wash between case (4), all through a changeover valve (6) intercommunication between washing case (4) and drying cabinet (5), in preheater (2), in carbide furnace (1), cooler bin (3), in washing case (4) and in drying cabinet (5) all install the conveyer belt, the conveyer belt includes interconnect's translation section and inclined lift section, a plurality of flat support frame (7) are installed to the translation section, inclined lift section installs a plurality of inclined support frame (8), and a plurality of the bottom of inclined support frame (8) and the equal parallel and level in bottom of a plurality of flat support frame (7) are each other, have seted up the charge port on preheater (2), be connected with in the charge port fixedly in the charge port (9), preheat discharge port (10) and electromagnetic heater (11) are installed in the cooler bin (5), discharge port (11) and cooling oven (11) are connected with the cooling oven (11), the cleaning box (4) is communicated with a cleaning liquid inlet pipe (13) and a cleaning liquid discharge pipe (14), and the drying box (5) is communicated with a drying air inlet pipe (15) and a drying air return pipe (16).
2. A pre-oxidation carbonization apparatus for polyacrylonitrile according to claim 1, wherein the plurality of translation sections each include a first translation rack (17) and a second translation rack (18), the plurality of tilt sections each include a first tilt rack (19) and a plurality of second tilt racks (20), the plurality of first tilt racks (19) each have a first corner rack (21) connected thereto, the plurality of first corner racks (21) are respectively connected to the plurality of first translation racks (17), the plurality of second tilt racks (20) each have a second corner rack (22) connected thereto, the plurality of second corner racks (22) are respectively connected to the plurality of second translation racks (18), the plurality of first translation racks (17) each have a tilt auxiliary shaft (23) rotatably connected thereto, the plurality of tilt auxiliary shafts (23) are respectively rotatably connected to the plurality of second translation racks (18), the plurality of first tilt racks (19) each have a tilt main shaft (24) rotatably connected thereto, the plurality of first tilt auxiliary shafts (24) and the plurality of tilt guide shafts (26) are respectively connected to the tilt main shaft (24), the plurality of tilt auxiliary shafts (26) and the plurality of tilt guide shafts (26) are respectively connected to the second corner racks (21) and the tilt guide rollers (26) and the same transfer belt, steering spindle (26) and guide roll are used for turning to of conveying chain (25), the bottom of first translation frame (17) and the bottom of second translation frame (18) all with the top fixed connection of flat support frame (7), the bottom of first inclined lift frame (19) and the bottom of second inclined lift frame (20) all with the top fixed connection of bearing diagonal frame (8), on preheating furnace (2), carbonization furnace (1) go up, on cooler bin (3), all install inverter motor on washing case (4) and drying cabinet (5), it is a plurality of inverter motor is used for the rotational drive of a plurality of inclined main shafts (24) respectively.
3. The equipment for pre-oxidation carbonization of polyacrylonitrile as claimed in claim 2, characterized in that, four the top of the adapter cylinder (6) is all fixedly connected with upper connection flanging (27), the bottom of the four adapter cylinders (6) is all fixedly connected with lower connection flanging (28), four the upper connection flanging (27) is all connected with the bottom of the preheating furnace (2), the bottom of the carbonization furnace (1), the bottom of the cooling box (3) and the bottom of the cleaning box (4) through a plurality of upper connection bolts, and four the lower connection flanging (28) is all connected with the top of the carbonization furnace (1), the top of the cooling box (3), the top of the cleaning box (4) and the top of the drying box (5) through a plurality of lower connection bolts.
4. The equipment for pre-oxidizing and carbonizing polyacrylonitrile according to claim 3, wherein a plurality of through openings are formed in the bottom end of the preheating furnace (2), the bottom end of the carbonizing furnace (1), the bottom end of the cooling box (3), the bottom end of the cleaning box (4) and the bottom end of the drying box (5), and the plurality of flat supporting frames (7) and the plurality of inclined supporting frames (8) respectively penetrate through the plurality of through openings.
5. The equipment for pre-oxidation carbonization of polyacrylonitrile as claimed in claim 4, wherein the preheating furnace (2), the carbonization furnace (1), the cooling box (3), the cleaning box (4) and the drying box (5) are arranged in a prismatic structure.
6. The equipment for pre-oxidizing and carbonizing polyacrylonitrile according to claim 5, characterized in that channel steel (29) is fixedly connected to the bottom ends of the plurality of flat supporting frames (7) and the bottom ends of the plurality of inclined supporting frames (8).
7. The equipment for pre-oxidizing and carbonizing polyacrylonitrile according to claim 6, wherein a plurality of the channel steels (29) are respectively provided with a first open hole (30) and a second open hole (31).
8. The equipment for pre-oxidation carbonization of polyacrylonitrile as claimed in claim 7, wherein the inclined feeding plate (9) and the inclined discharging plate (10) are both fixedly connected with two baffle flanges (32).
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| CN202210675758.XA CN115262038B (en) | 2022-06-15 | 2022-06-15 | Polyacrylonitrile preoxidation carbonization equipment |
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| CN202210675758.XA CN115262038B (en) | 2022-06-15 | 2022-06-15 | Polyacrylonitrile preoxidation carbonization equipment |
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