CN220450381U - Heating body structure of high-temperature carbonization furnace and high-temperature carbonization furnace - Google Patents
Heating body structure of high-temperature carbonization furnace and high-temperature carbonization furnace Download PDFInfo
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- CN220450381U CN220450381U CN202321879069.7U CN202321879069U CN220450381U CN 220450381 U CN220450381 U CN 220450381U CN 202321879069 U CN202321879069 U CN 202321879069U CN 220450381 U CN220450381 U CN 220450381U
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- temperature carbonization
- carbonization furnace
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 176
- 238000003763 carbonization Methods 0.000 title claims abstract description 46
- 239000000463 material Substances 0.000 claims abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 229910002804 graphite Inorganic materials 0.000 claims description 7
- 239000010439 graphite Substances 0.000 claims description 7
- 229920000049 Carbon (fiber) Polymers 0.000 abstract description 7
- 239000004917 carbon fiber Substances 0.000 abstract description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 239000000835 fiber Substances 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 7
- 239000000498 cooling water Substances 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The application relates to the technical field of carbon fiber processing, in particular to a heating body structure of a high-temperature carbonization furnace and the high-temperature carbonization furnace, which comprise two layers of heating units, wherein a heating cavity which is equal in thickness and is used for heating materials is formed between the two layers of heating units, and the heating units comprise a plurality of heating rods which are arranged in parallel; both ends of the heating rods are connected with cold ends, and a plurality of cold ends on the same side of a plurality of heating rods in the same heating unit form a cold end group; the four power-on clamping plates are respectively connected with the four cold end groups, two power-on clamping plates positioned on the same side are in short connection, and the other two power-on clamping plates are respectively connected with the positive electrode and the negative electrode of the power supply; the heating cavity that is convenient for form a constant thickness, is used for the heating through many heating rods has this application, realizes the homogeneity of heating intracavity warm district, and then improves the processingquality of oxygen silk in advance to can save the heating member material's of side effect.
Description
Technical Field
The application relates to the technical field of carbon fiber yarn treatment, in particular to a heating body structure of a high-temperature carbonization furnace and the high-temperature carbonization furnace.
Background
The production process of the carbon fiber yarn is required to be sequentially subjected to a plurality of treatment processes such as yarn feeding, pre-oxidation, low-temperature carbonization, high-temperature carbonization, surface treatment, sizing, drying, winding and the like, wherein the high-temperature carbonization refers to that the pre-oxidized yarn is heated to 1000 ℃ to 1800 ℃ in a protective gas atmosphere, so that non-carbon atoms in the pre-oxidized yarn are removed.
In order to heat the pre-oxidized filaments to the desired temperature, a high temperature carbonization furnace is generally used, and a high temperature carbonization furnace is disclosed in the prior art, and comprises a hearth, a heating electrode, a heat preservation system and a furnace shell; the hearth is a cavity formed by sectionally overlapping graphite plates, a plurality of heating electrodes are arranged around the hearth from the periphery of the longitudinal section at intervals, and at least 2 temperature areas are arranged in the hearth; the heat preservation system is composed of a ceramic fiber felt, a heat insulation coating, a graphite hard felt and a high-temperature infrared heat reflection coating from outside to inside; a high-temperature infrared heat reflection coating is coated between the heating electrode and the graphite hard felt, and the coating thickness of the high-temperature infrared heat reflection coating is 5-20 mm; a heat-insulating coating is coated between the ceramic fiber felt and the graphite hard felt; the thickness of the heat-insulating coating is 8-18 mm; the outer layer of the heat preservation system is wrapped by a furnace shell, the furnace shell is of an airtight sandwich structure, and the inner layer is hollow; a cooling water inlet and a cooling water outlet are arranged on the furnace shell, and a cooling water channel is arranged in the furnace shell; a plurality of carbon fiber inlets and outlets are arranged at intervals in the transverse section direction of the high-temperature carbonization furnace, and the carbon fiber inlets and outlets are provided with sealing devices.
For the related art, the heating rod in the prior art encloses a transverse U-shaped heating structure with an opening towards the left side, the carbon fiber wires pass through the furnace chamber, the heat from the heating bodies at the upper side and the lower side is enough to be absorbed, but the heat of the heating bodies at the right side bending section can cause poor temperature uniformity at the left side and the right side in the furnace chamber, and the temperature at the left side and the right side in the furnace chamber is not uniform enough, so that the quality of the carbon fiber wires at the left side and the right side in the furnace chamber is different.
Disclosure of Invention
In order to improve the uniformity of a temperature zone formed by a heating body structure in a furnace chamber, the application provides a heating body structure of a high-temperature carbonization furnace and the high-temperature carbonization furnace.
The application provides a high temperature carbonization stove heating member structure and high temperature carbonization stove adopts following technical scheme:
in a first aspect, the present application provides a heating body structure of a high temperature carbonization furnace, comprising
The two layers of heating units form a heating cavity which is of equal thickness and is used for heating materials, and the heating units comprise a plurality of heating rods which are arranged in parallel;
both ends of the heating rod are connected with cold ends, and a plurality of cold ends on the same side of the heating rods in the same heating unit form a cold end group;
the four electric connection clamping plates are respectively connected with the four cold end groups, two of the electric connection clamping plates located on the same side are in short connection, and the other two electric connection clamping plates are respectively connected with the positive electrode and the negative electrode of the power supply.
By adopting the technical scheme, the two power-on clamping plates at the same side are respectively connected with the positive electrode and the negative electrode of the power supply, the other two power-on clamping plates at the same side are in short circuit to form a closed loop, the external power supply inputs electric energy, the heating rod emits heat under the action of current, and a heating cavity with equal thickness for heating the pre-oxidized fiber is formed by the two layers of heating units, and as the side surface does not have a heating source, temperature areas in the heating cavity are uniformly distributed, the temperature in the heating cavity reaches an expected value, protective gas is introduced into the heating cavity, and then the pre-oxidized fiber is put into the heating cavity for removing non-carbon substances; the heating body structure of the high-temperature carbonization furnace is convenient to clamp a plurality of cold ends on the same side through the power-on clamping plate, and then the parallel connection is realized among a plurality of heating rods belonging to the same heating unit, the heat conduction of the heating rods is convenient to be reduced through the cold ends to the power-on clamping plate, a heating cavity with the same thickness and used for heating is convenient to be formed through the plurality of heating rods, the uniformity of a temperature zone in the heating cavity is realized, the processing quality of a pre-oxidized fiber is improved, heating body materials on the side face can be saved, the heat loss is further reduced, and the energy conservation and consumption reduction are facilitated.
In a specific embodiment, the heating rod, the cold end and the power-on clamping plate are all made of graphite.
Through adopting above-mentioned technical scheme, the heating rod, the cold junction of design for graphite material and connect electric splint can satisfy the performance and the life demand of pre-oxidation silk high temperature processing.
In a specific embodiment, the heating rod is hollow, the cold end comprises a clamping section and a connecting section which are integrally connected, and the connecting section can extend into the hollow cavity of the heating rod and realize detachable fixed connection with the heating rod.
By adopting the technical scheme, the designed heating rod which is arranged in the hollow mode can reduce the cross section area of the heating rod, further increase the resistance of the heating rod and save heating materials; the cold junction of design through centre gripping section and linkage segment, can reduce the resistance through the mode of increase cross-sectional area to can realize with the detachable fixed connection of heating rod, and carry out solitary, quick maintenance operation when damaging with the heating rod, reduce maintenance time.
In a specific embodiment, the heating rod is screwed to the connecting section.
Through adopting above-mentioned technical scheme, the design with heating rod threaded connection's linkage segment can realize with the detachable fixed connection of heating rod to can keep certain connection steadiness with the heating rod.
In a specific embodiment, the heating rod is fixed to the connecting section in a plug-in manner.
Through adopting above-mentioned technical scheme, the design with the fixed linkage segment of heating rod joint, can keep certain connection stability's basis on realizing the quick separation of linkage segment and heating rod with the heating rod, and then be convenient for the maintenance of later stage and change.
In a specific embodiment, the power-on clamping plate comprises an upper clamping plate and a lower clamping plate, and a plurality of clamping grooves which are used for clamping and are matched with the shape of the cold end are formed between the upper clamping plate and the lower clamping plate.
Through adopting above-mentioned technical scheme, the electric splint that connects of design, the centre gripping stability of cold junction can be improved through the centre gripping groove that punch holder and lower plate formed to the area of contact of electric splint and cold junction is connected in the increase of being convenient for.
In a specific embodiment, the heating rod is a linear heating rod.
Through adopting above-mentioned technical scheme, the linear type heating rod of design can directly take out when damaging and change, and convenient and fast has saved maintenance change time.
In a second aspect, the present application provides a high temperature carbonization furnace, comprising a furnace body and a high temperature carbonization furnace heating body structure.
By adopting the technical scheme, the designed high-temperature carbonization furnace can realize the uniformity of the temperature area in the furnace chamber, thereby improving the processing quality of the pre-oxidized fiber.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the heating body structure of the high-temperature carbonization furnace is convenient to clamp a plurality of cold ends which are positioned on the same side simultaneously through the power-on clamping plate, and then the parallel connection is realized among a plurality of heating rods which are in the same heating unit, the heat conduction of the heating rods is convenient to reduce through the cold ends to the power-on clamping plate, a heating cavity which is of equal thickness and used for heating is convenient to form through the plurality of heating rods, the uniformity of the temperature area in the heating cavity is realized, the processing quality of the pre-oxidized fiber is improved, and the heating body material on the side surface can be saved.
2. The heating body structure of the designed high-temperature carbonization furnace can reduce the cross section area of the heating rod through the heating rod which is arranged in a hollow way, further increase the resistance of the heating rod and save heating materials; the cold junction of design through centre gripping section and linkage segment, can reduce the resistance through the mode of increase cross-sectional area to can realize with the detachable fixed connection of heating rod, and carry out solitary, quick maintenance operation when damaging with the heating rod, reduce maintenance time.
3. The heating body structure of the designed high-temperature carbonization furnace can be directly pulled out to be replaced when damaged through the linear heating rod, so that the high-temperature carbonization furnace is convenient and quick, and the maintenance and replacement time is saved.
Drawings
Fig. 1 is a schematic structural view of a heating body structure of a high temperature carbonization furnace according to example 1 of the present application.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a cross-sectional view taken along line A-A of fig. 2.
Fig. 4 is a schematic cross-sectional structure of embodiment 3 of the present application.
Fig. 5 is a schematic view of the structure of the high temperature carbonization furnace disclosed in the embodiment of the present application.
Reference numerals illustrate: 1. a heating unit; 11. a heating rod; 2. a cold end; 21. a clamping section; 22. a connection section; 3. a power-on clamping plate; 31. an upper clamping plate; 32. a lower clamping plate; 4. a furnace body.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-5.
The embodiment of the application discloses a heating body structure of a high-temperature carbonization furnace and the high-temperature carbonization furnace.
In a first aspect, embodiments of the present application disclose a heating body structure of a high temperature carbonization furnace.
Example 1
Referring to fig. 1, a heating body structure of a high temperature carbonization furnace comprises two layers of heating units 1, wherein a distance is reserved between the two layers of heating units 1, heating cavities with equal thickness for heating materials are formed, the heating units 1 comprise a plurality of heating rods 11, the plurality of heating rods 11 are arranged in parallel, and a gap is reserved between every two adjacent heating rods 11; in this application, heating unit 1 can include six heating rods 11, also can include eight heating rods 11, can also include ten heating rods 11, can form the even heating chamber in a temperature zone can, heating unit 1 includes six heating rods 11 in this embodiment.
Referring to fig. 2, in order to isolate heat of the heating rod 11, both ends of the heating rod 11 are connected with cold ends 2, and the plurality of cold ends 2 located at the same side of the plurality of heating rods 11 in the same layer of heating unit 1 form one cold end 2 group.
Referring to fig. 3, in order to realize parallel connection of six heating rods 11 in the same heating unit 1, the four electric connection clamping plates 3 are further included, the four electric connection clamping plates 3 are respectively connected with four cold end 2 groups, two electric connection clamping plates 3 positioned on the same side are in short circuit through copper bars, and the other two electric connection clamping plates 3 positioned on the same side are respectively electrically connected with the positive electrode and the negative electrode of a power supply; and the heating rod 11, the cold end 2 and the electricity connection clamping plate 3 are all made of graphite.
Example 2
Referring to fig. 3, in order to increase the resistance of the heating rod 11, the heating rod 11 is hollow; in order to realize quick overhaul and replacement of the heating rod 11, the heating rod 11 is arranged to be linear, the heating rod 11 and the cold end 2 are detachably and fixedly connected, the cold end 2 comprises a clamping section 21 and a connecting section 22 which are integrally connected, the diameter of the clamping section 21 is larger than the outer diameter of the heating rod 11, and the connecting section 22 can extend into a hollow inner cavity of the heating rod 11 and is detachably and fixedly connected with the heating rod 11.
Referring to fig. 3, the clamping section 21 and the connection section 22 are coaxially disposed, and the heating rod 11 is screw-coupled with the connection section 22.
Example 3
Referring to fig. 4, the embodiment of the present application is different from embodiment 2 in that the connection section 22 is inserted and fixed with the heating rod 11.
Example 4
Referring to fig. 4, the power receiving clamp plate 3 includes an upper clamp plate 31 and a lower clamp plate 32, the upper clamp plate 31 and the lower clamp plate 32 are fixed by bolts, and a plurality of clamping grooves for clamping and forming an adaptation with the clamping section 21 are formed between the upper clamp plate 31 and the lower clamp plate 32.
The implementation principle of the heating body structure of the high-temperature carbonization furnace in the embodiment of the application is as follows: the two power-on clamping plates 3 at the same side are respectively connected with the positive electrode and the negative electrode of the power supply, the other two power-on clamping plates 3 at the same side are in short circuit, a closed loop is formed, the external power supply inputs electric energy, the heating rod 11 emits heat under the action of current, a heating cavity which is equal in thickness and used for heating the pre-oxidized fiber is formed through the two layers of heating units 1, as the side surface is not provided with a heating source, the temperature area in the heating cavity is uniformly distributed, the temperature in the heating cavity reaches the expected value, and then protective gas is introduced into the heating cavity, and then the pre-oxidized fiber is put into the heating cavity for removing non-carbon substances.
When the heating rod 11 is overhauled, the upper clamping plate 31 and the lower clamping plate 32 are loosened, then force is applied to the clamping section 21, the clamping section 21 drives the connecting section 22 to be separated from the hollow inner cavity of the heating rod 11, and then the heating rod 11 is pulled out from the furnace body 4 for overhauling or replacing, so that the heating rod is convenient and quick.
In a second aspect, an embodiment of the present application discloses a high-temperature carbonization furnace, referring to fig. 5, including a furnace body 4 and the heating body structure of the high-temperature carbonization furnace disclosed in the above embodiment, where the heating body structure of the high-temperature carbonization furnace is mounted on the furnace body 4.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. The utility model provides a high temperature carbonization stove heating member structure which characterized in that: comprising
The heating device comprises two layers of heating units (1), wherein a heating cavity which is equal in thickness and is used for heating materials is formed between the two layers of heating units (1), and the heating units (1) comprise a plurality of heating rods (11) which are arranged in parallel;
both ends of the heating rod (11) are connected with cold ends (2), and a plurality of cold ends (2) on the same side of the heating rod (11) in the same heating unit (1) form a cold end (2) group;
the four electric connection clamping plates (3), the four electric connection clamping plates (3) are respectively connected with four cold end (2) groups, two of the electric connection clamping plates (3) located on the same side are in short connection, and the other two electric connection clamping plates (3) are respectively connected with the positive electrode and the negative electrode of the power supply.
2. The heating body structure of high temperature carbonization furnace according to claim 1, wherein: the heating rod (11), the cold end (2) and the power-on clamping plate (3) are all made of graphite.
3. The heating body structure of high temperature carbonization furnace as claimed in claim 2, wherein: the heating rod (11) is arranged in a hollow mode, the cold end (2) comprises a clamping section (21) and a connecting section (22) which are integrally connected, and the connecting section (22) can extend into the hollow inner cavity of the heating rod (11) and is detachably and fixedly connected with the heating rod (11).
4. A heating body structure of a high temperature carbonization furnace according to claim 3, wherein: the heating rod (11) is in threaded connection with the connecting section (22).
5. A heating body structure of a high temperature carbonization furnace according to claim 3, wherein: the heating rod (11) is fixedly inserted into the connecting section (22).
6. The heating body structure of high temperature carbonization furnace according to claim 1, wherein: the power-on clamping plate (3) comprises an upper clamping plate (31) and a lower clamping plate (32), and a plurality of clamping grooves which are used for clamping and are matched with the cold end (2) in shape are formed between the upper clamping plate (31) and the lower clamping plate (32).
7. The heating body structure of high temperature carbonization furnace according to claim 1, wherein: the heating rod (11) is a linear heating rod (11).
8. A high temperature carbonization furnace, characterized in that: comprising a furnace body (4) and a heating body structure of a high-temperature carbonization furnace as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321879069.7U CN220450381U (en) | 2023-07-17 | 2023-07-17 | Heating body structure of high-temperature carbonization furnace and high-temperature carbonization furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321879069.7U CN220450381U (en) | 2023-07-17 | 2023-07-17 | Heating body structure of high-temperature carbonization furnace and high-temperature carbonization furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220450381U true CN220450381U (en) | 2024-02-06 |
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ID=89736116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321879069.7U Active CN220450381U (en) | 2023-07-17 | 2023-07-17 | Heating body structure of high-temperature carbonization furnace and high-temperature carbonization furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220450381U (en) |
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2023
- 2023-07-17 CN CN202321879069.7U patent/CN220450381U/en active Active
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