CN111676547A - Carbon fiber low-temperature carbonization furnace - Google Patents
Carbon fiber low-temperature carbonization furnace Download PDFInfo
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- CN111676547A CN111676547A CN202010646184.4A CN202010646184A CN111676547A CN 111676547 A CN111676547 A CN 111676547A CN 202010646184 A CN202010646184 A CN 202010646184A CN 111676547 A CN111676547 A CN 111676547A
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- carbonization furnace
- carbonization
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- furnace
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- 238000003763 carbonization Methods 0.000 title claims abstract description 70
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 28
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 28
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 238000001179 sorption measurement Methods 0.000 claims abstract description 59
- 239000013049 sediment Substances 0.000 claims description 22
- 238000010408 sweeping Methods 0.000 claims description 16
- 239000000428 dust Substances 0.000 claims description 12
- 239000002699 waste material Substances 0.000 claims description 7
- 239000000969 carrier Substances 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 26
- 239000002245 particle Substances 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 238000012546 transfer Methods 0.000 abstract description 2
- 238000001035 drying Methods 0.000 description 9
- 239000002912 waste gas Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Images
Classifications
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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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Inorganic Fibers (AREA)
Abstract
The invention provides a carbon fiber low-temperature carbonization furnace which comprises a carbonization furnace body, wherein the carbonization furnace body is provided with a tow running channel along the running direction of tows, an adsorption and transportation carrier is arranged between the tows and the top wall of the carbonization furnace body, and the adsorption and transportation carrier can circularly run inside and outside a furnace chamber of the carbonization furnace body. According to the carbon fiber low-temperature carbonization furnace, the adsorption and transportation carrier is adopted to adsorb particles possibly deposited by carbon powder and the like formed in the carbonization process, the synchronous transfer and transportation of deposits in the furnace can be realized while the tows are carbonized, the probability of the particles in the furnace being deposited on the top wall of the furnace body of the carbonization furnace is effectively reduced, the difficulty in cleaning the deposits on the top of the furnace is greatly reduced, and the service life of a hearth is prolonged to the greatest extent.
Description
Technical Field
The invention belongs to the technical field of carbon fiber production and manufacturing, and particularly relates to a carbon fiber low-temperature carbonization furnace.
Background
In the production process of carbon fibers, the pre-oxidized fibers are subjected to thermal decomposition reaction in the carbon fiber low-temperature carbonization furnace to produce a large amount of waste gas, tar and carbon powder, the waste gas enters the incinerator under the action of the waste exhaust fan to be incinerated along with the production time, but the carbon powder can be gathered on the inner wall of the carbon fiber low-temperature carbonization furnace, particularly on the top of the furnace to form deposits under the action of the tar. After the deposit reaches a certain thickness, the uniformity of the original temperature field in the furnace is influenced on one hand, and on the other hand, if the deposit falls off, the deposit is adhered to the surface of the running tows to cause fiber defects. The clearance aspect to the useless solid thing of carbide furnace exhaust gas line has aroused comparatively extensive attention among the prior art, and in the carbide furnace especially the clearance aspect of stove inner wall adopt comparatively traditional clearance mode to realize at present more, for example use the iron rake to clear the stove when carbide furnace parks, can cause following several aspects problems like this: firstly, because the carbon fiber low-temperature carbonization furnace is long, a plurality of dead zones exist and are difficult to clean, and a large amount of manpower and material resources are consumed, but the cleaning effect is not ideal; secondly, the service life of the hearth is greatly shortened by repeatedly scraping the furnace wall during furnace cleaning, and the invention is provided based on the defects in the prior art.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to provide a carbon fiber low-temperature carbonization furnace, which adopts an adsorption and transportation carrier to realize adsorption of particles possibly deposited by carbon powder and the like formed in the carbonization process, can realize synchronous transfer and transportation of deposits in the furnace while the tows are carbonized, effectively reduces the probability of the particles in the furnace being deposited on the top wall of the furnace body of the carbonization furnace, greatly reduces the difficulty of cleaning the deposits on the top wall of the furnace, and prolongs the service life of the furnace chamber to the greatest extent.
In order to solve the above problems, the present invention provides a carbon fiber low temperature carbonization furnace, including a carbonization furnace body, the carbonization furnace body having a tow running channel along a running direction of a tow, an adsorption transport carrier being provided between the tow and a top wall of the carbonization furnace body, the adsorption transport carrier being capable of circulating inside and outside a furnace chamber of the carbonization furnace body.
Preferably, the carbonization furnace body comprises a tow inlet pipeline and a tow outlet pipeline corresponding to the tow running channel, and the adsorption transportation carrier at least partially passes through the tow inlet pipeline and the tow outlet pipeline.
Preferably, the carbon fiber low-temperature carbonization furnace further comprises a carrier movement driving unit, the carrier movement driving unit comprises a plurality of rotating rollers for tensioning and erecting the adsorption and transportation carrier, and at least one of the plurality of rotating rollers is in driving connection with a rotary driving component.
Preferably, the carbon fiber low-temperature carbonization furnace further comprises a vacuum collection part, and a negative pressure port of the vacuum collection part is arranged adjacent to the adsorption transport carrier to adsorb the sediment on the adsorption transport carrier.
Preferably, the vacuum collection part is outside the furnace chamber.
Preferably, the adsorption transportation carrier comprises a horizontal section and a vertical section, and further comprises a sediment sweeping component, the sediment sweeping component is arranged adjacent to the vertical section, and the vacuum collecting component is positioned below the sediment sweeping component to receive the sediment swept by the sediment sweeping component.
Preferably, the circulating running direction of the adsorption transport carrier is from the vacuum collection part to the deposit sweeping part.
Preferably, the carbon fiber low-temperature carbonization furnace further comprises a dust cover, the dust cover at least covers the cleaning area where the adsorption and transportation carrier is in contact with the deposit cleaning component, and the negative pressure port of the vacuum collecting component is located in the covering range of the dust cover.
Preferably, the carbon fiber low-temperature carbonization furnace further comprises a waste discharge pipeline, and the waste discharge pipeline is located on the side vertical wall of the furnace chamber.
According to the carbon fiber low-temperature carbonization furnace provided by the invention, the adsorption and transportation carrier is positioned between the tows and the top wall of the carbonization furnace body, so that particles such as carbon particles in floating carbonization tail gas can be adsorbed on the adsorption and transportation carrier, the probability and the severity of deposition on the top wall of the carbonization furnace are effectively reduced, and the adsorption and transportation carrier can circularly run inside and outside the furnace chamber, so that the particles adsorbed on the adsorption and transportation carrier can be conveniently and quickly cleaned outside the furnace chamber, the difficulty in cleaning the deposits on the furnace top is greatly reduced, the cleaning frequency of the furnace chamber is reduced, and the service life of the furnace chamber is prolonged to the greatest extent; simultaneously, this kind of mode can be in the carbonization in-process of silk bundle realize adsorbing the operation of transportation carrier in step, need not the carbonization stove and parks and clear up, has greatly improved the flexibility and the efficiency of furnace chamber clearance.
Drawings
FIG. 1 is a schematic structural diagram of a carbon fiber low-temperature carbonization furnace according to an embodiment of the present invention;
fig. 2 is a schematic sectional view of the carbonization furnace body in fig. 1 (showing the relative positional relationship between the adsorption transport carrier and the tow).
The reference numerals are represented as:
1. a carbonization furnace body; 11. a furnace chamber; 12. a tow inlet conduit; 13. a tow outlet conduit; 14. a waste pipe; 2. adsorbing a transport carrier; 21. a horizontal segment; 22. a vertical section; 31. a rotating roller; 32. a rotation driving member; 4. a vacuum collection component; 5. a deposit cleaning member; 6. a dust cover; 100. and (4) carrying out silk bundle.
Detailed Description
Referring to fig. 1 and 2 in combination, according to an embodiment of the present invention, there is provided a carbon fiber low temperature carbonization furnace, including a carbonization furnace body 1, the carbonization furnace body 1 having a tow running passage along a running direction of a tow 100, and an adsorption transport carrier 2 between the tow 100 and a top wall of the carbonization furnace body 1, the adsorption transport carrier 2 being capable of circulating inside and outside a furnace chamber 11 of the carbonization furnace body 1. In the technical scheme, the adsorption and transportation carrier 2 is positioned between the tows 100 and the top wall of the carbonization furnace body 1, so that particles such as carbon particles in floating carbonization tail gas can be adsorbed on the adsorption and transportation carrier, the probability and the severity of deposition on the top wall of the carbonization furnace are effectively reduced, and the adsorption and transportation carrier 2 can circularly run inside and outside the furnace chamber 11, so that the particles adsorbed on the adsorption and transportation carrier 2 can be conveniently and quickly cleaned outside the furnace chamber 11, the difficulty in cleaning the deposits on the top of the furnace is greatly reduced, the frequency of cleaning the furnace (such as scraping in the prior art) is reduced, and the service life of the furnace is prolonged to the maximum extent; simultaneously, this kind of mode can be in step realize adsorbing the operation of transportation carrier 2 in the carbonization process of silk bundle 100, need not the carbonization stove and parks and clear up, has greatly improved the flexibility and the efficiency of furnace chamber clearance. Preferably, the adsorption transportation carrier 2 is realized by adopting a carbon fiber fabric, realizes a particle adsorption function through micropores of the adsorption transportation carrier, and can adapt to the temperature environment of the low-temperature carbonization furnace.
The carbonization furnace body 1 comprises a tow inlet pipeline 12 and a tow outlet pipeline 13 which correspond to the tow running channel, the adsorption transportation carrier 2 at least partially passes through the tow inlet pipeline 12 and the tow outlet pipeline 13, and particularly, the adsorption transport carrier 2 has a horizontal section 21 parallel to the running direction of the tows 100 in the furnace chamber 11, it will be appreciated that the horizontal segments 21 described herein are dynamically variable in response to the operation of the adsorbent transport carrier 2, in the technical scheme, the horizontal segment 21 and the tows 100 share the tow inlet pipeline 12 and the tow outlet pipeline 13, the sealing of the junction of the horizontal section 21 into the oven cavity 11 can thus be simplified, i.e. it can be achieved by means of the existing sealing structure of the tows (it will be understood that necessary modifications in the height dimension can be made).
The adsorption transport carrier 2 can be stretched by a support frame located outside the furnace chamber 11, and when the adsorption transport carrier 2 needs to be cleaned, the adsorption transport carrier 2 is manually pulled out from the furnace chamber 11 and then cleaned as necessary, and preferably, the carbon fiber low-temperature carbonization furnace further comprises a carrier movement driving unit, the carrier movement driving unit comprises a plurality of rotating rollers 31 for stretching and erecting the adsorption transport carrier 2, at least one of the plurality of rotating rollers 31 is in driving connection with a rotation driving part, for example, a conventional rotating motor is adopted as the rotation driving part, the corresponding rotating roller 31 is driven to rotate as a driving roller by the rotating motor, so that the adsorption transport carrier 2 is forced to circularly rotate around the peripheral walls of the plurality of rotating rollers 31, the aforementioned circulation requirements inside and outside the furnace chamber 11 are realized, and it can be understood that, the remaining rotating rollers 31 are driven rollers, which mainly tension the adsorption transport carrier 2, and as is well known, the rotating rollers 31 are pivotally disposed on corresponding brackets, which is not described in detail herein.
Preferably, the carbon fiber low-temperature carbonization furnace further comprises a vacuum collection component 4, a negative pressure port of the vacuum collection component is arranged adjacent to the adsorption transport carrier 2 to collect the sediment adsorbed by the adsorption transport carrier 2, the vacuum collection component 4 is, for example, a vacuum generator in the prior art, which generates vacuum negative pressure by using the venturi effect, so as to realize adsorption collection of the object through the negative pressure, a pressure gas source of the vacuum collection component 4 can be provided by an air compressor or a pressure gas pipeline existing in a workshop, and preferably, the vacuum collection component 4 is located outside the furnace chamber 11 to reduce the requirement on material selection of the vacuum generator.
As shown in fig. 1, the adsorption transport carrier 2 further includes a vertical section 22, and a deposit sweeping member 5, the deposit sweeping member 5 is disposed adjacent to the vertical section 22, and the vacuum collection member 4 is disposed below the deposit sweeping member 5 to receive the deposit swept by the deposit sweeping member 5. The sediment cleaning component 5 adopts a rolling brush for example, the rolling brush is controlled by a driving motor to rotate, the rolling brush can carry out physical contact type cleaning on the sediment adhered to the adsorption and transportation carrier 2 in the rotating process, the cleaning effect is better, the vacuum collecting component 4 below the rolling brush can timely collect the sediment cleaned by the sediment cleaning component 5, and the structure is more reasonable. More preferably, the circulation direction of the adsorption transportation carrier 2 is from the vacuum collection part 4 to the sediment cleaning part 5, that is, the adsorption transportation carrier 2 is circularly transported clockwise as shown in fig. 1, at this time, it is ensured that the adsorption transportation carrier 2 is cleaned by the vacuum collection part 4 under non-contact negative pressure, and then the sediment cleaning part 5 is cleaned by physical contact, so that the cleaning effect is improved, and simultaneously, the contamination degree of the sediment cleaning part 5 in the subsequent process can be effectively reduced, thereby improving the service life of the carbon fiber low-temperature carbonization furnace, reducing the replacement frequency, and reducing the maintenance cost of the carbon fiber low-temperature carbonization furnace.
Best, carbon fiber low temperature carbonization stove still includes dust cover 6, dust cover 6 covers at least and locates adsorb carrier 2 with the deposit cleans the region of cleaning of part 5 contact, the negative pressure mouth of part 4 is collected in the vacuum the cover of dust cover 6 establishes the within range to prevent the deposit cleans the dust loss that part 5 produced in the cleaning process, improves the feature of environmental protection of device, dust cover 6 preferably adopts transparent material for example transparent plastic preparation to can observe the running state of inside motion part in real time. In order to reduce the whole size of carbon fiber low temperature carbonization stove, preferably, carbon fiber low temperature carbonization stove still includes exhaust pipe 14, exhaust pipe 14 is in on the side standing wall of furnace chamber 11, and not be in the roof, can make like this adsorb the roof that shelters from carbonization stove body 1 completely of transport carrier 2 design, still can not cause adverse effect to the exhaust of furnace chamber 11 simultaneously.
In order to effectively clean the carbonized waste gas of the filament bundle 100, it is preferable that a cleaning nozzle is provided adjacent to the deposit cleaning component 5, and the cleaned tar is cleaned by spraying a cleaning liquid through the cleaning nozzle, and in this case, a corresponding drying structure is also needed to dry the cleaned adsorption carrier 2 before the adsorption carrier 2 is circulated into the furnace chamber 11 again, so as to prevent the cleaning liquid from dripping in the furnace chamber 11 and damaging the filament bundle 100, the drying structure may include, for example, a cavity for the adsorption carrier 2 to enter and exit, and the exhaust duct 14 at least partially flows through to dry the adsorption carrier 2 by using the temperature of the waste gas in the exhaust duct 14 (typically about 400 ℃), energy conservation and environmental protection. As a specific implementation manner, for example, the drying structure includes a drying chamber, a heat exchange component (e.g., a heat exchanger) is disposed in the drying chamber, the heat exchange component is connected to the waste discharge pipeline 14 in a penetrating manner, a fan component corresponding to the heat exchange component is further disposed in the drying chamber, the adsorption transport carrier 2 is transmitted through the drying chamber, the fan component drives air to flow in the drying chamber and exchange heat with waste gas in the heat exchange component, and efficient drying of the cleaned adsorption transport carrier 2 before entering the furnace chamber 11 again by using the temperature of the waste gas is further achieved.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a carbon fiber low temperature carbonization stove, its characterized in that, includes carbonization stove body (1), carbonization stove body (1) has the tow operation passageway along the traffic direction of tow (100) with adsorption transport carrier (2) have between the roof of carbonization stove body (1), adsorption transport carrier (2) can be in the inside and outside circulation operation of furnace chamber (11) of carbonization stove body (1).
2. Carbonization furnace according to claim 1, characterized in that the carbonization furnace body (1) comprises a tow inlet duct (12), a tow outlet duct (13) corresponding to the tow running channel, the sorption transport carrier (2) running at least partially in the tow inlet duct (12), tow outlet duct (13).
3. Carbonization furnace according to claim 2, further comprising a carrier movement drive unit comprising a plurality of turning rollers (31) for tensioning the adsorption transport carrier (2), at least one of the plurality of turning rollers (31) being in driving connection with a rotary drive member (32).
4. Carbonization furnace according to claim 3, characterized by further comprising a vacuum collection part (4) with a negative pressure port arranged adjacent to the adsorption transport carrier (2) for the sediment adsorbed by the adsorption transport carrier (2).
5. Carbonization furnace according to claim 4, characterized in that the vacuum collection means are outside the furnace chamber (11).
6. Carbonization furnace according to claim 4, characterized in that the adsorption transport carrier (2) comprises a horizontal section (21) and a vertical section (22), further comprising a sediment sweeping component (5), the sediment sweeping component (4) being arranged adjacent to the vertical section (22), and the vacuum collection component (5) being below the sediment sweeping component (5) to receive sediment swept by the sediment sweeping component (5).
7. Carbonization furnace according to claim 6, characterized in that the direction of the circulation of the adsorption transport carriers (2) is from the vacuum collection part (4) towards the sediment sweeping part (5).
8. Carbonization furnace according to claim 6, characterized by further comprising a dust cover (6), wherein the dust cover (6) covers at least the sweeping area where the adsorption transportation carrier (2) contacts the sediment sweeping part (5), and the negative pressure port of the vacuum collection part (4) is within the covered range of the dust cover (6).
9. Carbonization furnace according to any of the claims 1 to 8, characterized by further comprising a waste discharge conduit (14), the waste discharge conduit (14) being located on a side standing wall of the furnace chamber (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010646184.4A CN111676547A (en) | 2020-07-07 | 2020-07-07 | Carbon fiber low-temperature carbonization furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010646184.4A CN111676547A (en) | 2020-07-07 | 2020-07-07 | Carbon fiber low-temperature carbonization furnace |
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| Publication Number | Publication Date |
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| CN111676547A true CN111676547A (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010646184.4A Pending CN111676547A (en) | 2020-07-07 | 2020-07-07 | Carbon fiber low-temperature carbonization furnace |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728955A (en) * | 2020-12-04 | 2021-04-30 | 湖南东映碳材料科技有限公司 | Automatic online cleaning device for high-temperature furnace or graphite furnace and cleaning method for high-temperature furnace or graphite furnace |
| CN115637507A (en) * | 2022-03-10 | 2023-01-24 | 寇新宇 | Production system of carbon fiber |
| CN115710760A (en) * | 2022-11-08 | 2023-02-24 | 吉林国兴碳纤维有限公司 | Device and method for online cleaning of high-performance carbon fiber low-carbon furnace |
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| CN201686777U (en) * | 2009-11-06 | 2010-12-29 | 鄂尔多斯市亚欣碳纤维有限责任公司 | Carbonization furnace for producing carbon fiber |
| CN103498213A (en) * | 2013-08-16 | 2014-01-08 | 肖颖 | Vertical type carbonization device capable of automatically cleaning tar for carbon fiber production |
| CN203474982U (en) * | 2013-08-16 | 2014-03-12 | 肖颖 | Tar removal device of carbide furnace for carbon fiber production |
| CN106283274A (en) * | 2016-10-31 | 2017-01-04 | 哈尔滨天顺化工科技开发有限公司 | A kind of high temperature cabonization device for producing carbon fiber |
| CN212476981U (en) * | 2020-07-07 | 2021-02-05 | 山西钢科碳材料有限公司 | Carbon fiber low-temperature carbonization furnace |
-
2020
- 2020-07-07 CN CN202010646184.4A patent/CN111676547A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000071469A1 (en) * | 1999-05-25 | 2000-11-30 | Messier-Bugatti | Method and installation for separating heavy metals contained in liquid effluents |
| CN201686777U (en) * | 2009-11-06 | 2010-12-29 | 鄂尔多斯市亚欣碳纤维有限责任公司 | Carbonization furnace for producing carbon fiber |
| CN103498213A (en) * | 2013-08-16 | 2014-01-08 | 肖颖 | Vertical type carbonization device capable of automatically cleaning tar for carbon fiber production |
| CN203474982U (en) * | 2013-08-16 | 2014-03-12 | 肖颖 | Tar removal device of carbide furnace for carbon fiber production |
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| CN212476981U (en) * | 2020-07-07 | 2021-02-05 | 山西钢科碳材料有限公司 | Carbon fiber low-temperature carbonization furnace |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112728955A (en) * | 2020-12-04 | 2021-04-30 | 湖南东映碳材料科技有限公司 | Automatic online cleaning device for high-temperature furnace or graphite furnace and cleaning method for high-temperature furnace or graphite furnace |
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