CN106480549B - A kind of continuous heat treatment equipment - Google Patents
A kind of continuous heat treatment equipment Download PDFInfo
- Publication number
- CN106480549B CN106480549B CN201610883388.3A CN201610883388A CN106480549B CN 106480549 B CN106480549 B CN 106480549B CN 201610883388 A CN201610883388 A CN 201610883388A CN 106480549 B CN106480549 B CN 106480549B
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- CN
- China
- Prior art keywords
- heat treatment
- burner hearth
- furnace body
- continuous heat
- treatment equipment
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Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
- F27D11/08—Heating by electric discharge, e.g. arc discharge
- F27D11/10—Disposition of electrodes
Abstract
The invention discloses a kind of continuous heat treatment equipments.The continuous heat treatment equipment includes furnace body, is horizontally installed on the intracorporal burner hearth of furnace, the feed inlet of furnace body feed end is arranged in, and the discharge port of furnace body discharge end is arranged in；More rotating electrodes are equipped in the burner hearth, the whole length direction along burner hearth of more rotating electrodes is arranged, and the length direction of every rotating electrode is vertical with the length direction of the burner hearth；More rotating electrodes are used to install around the conductive material for itself doubling as resistance, and three adjacent rotating electrodes axis is non-coplanar and the tensioning system that is formed.Equipment for Heating Processing of the invention reduces or eliminates the temperature gradient of core-skin by changing thermaltransmission mode, to reduce the probability of occurrence of skin-core structure, substantially increase the heat treatment performance of conductive material.
Description
Technical field
The present invention relates to a kind of continuous heat treatment equipments, are especially suitable for the heat treatment of carbon fiber.
Background technique
Carbon fiber is a kind of with high-intensitive, high-modulus new fiber materials, is all in defence and military and civilian aspect
Important materials are called " black gold ".
Traditional carbon fiber serialization heat treatment method is usually to transmit heat by the method for radiant heat transfer by electrode fever
Amount, is easy the formation temperature gradient at the core-skin of carbon fiber and causes skin-core structure, influence the performance of carbon fiber, specifically:
1, traditional carbon fiber thermal processing method is that carbon fiber passes through in burner hearth, and heat is by external radiation to carbon fiber surface
Face, can generate temperature difference in carbon fiber surface different depth in this way reduces the intensity of carbon fiber to generate skin-core structure.
2, carbon fiber need to be subject to drafting force in heat treatment, and the defect shape facilitated on fiber in this way becomes ellipse,
To improve intensity, traditional carbon fiber thermal processing method is to adjust drafting force by adjusting rolling speed, at this time drafting force
Through whole carbon fiber, the drafting force that different temperature zones receive be it is identical, precise controlling cannot be reached.
3, due to being heated using external radiation, the uniformity of temperature cannot be controlled accurately traditional carbon fiber thermal processing mode
System.
Summary of the invention
The present invention is intended to provide a kind of continuous heat treatment equipment, which, can by changing thermaltransmission mode
The temperature gradient of core-skin is reduced or eliminated, to reduce the probability of occurrence of skin-core structure, greatly improves conductive material, especially carbon
The heat treatment performance of fiber.
To achieve the goals above, the technical scheme adopted by the invention is that:
A kind of continuous heat treatment equipment, including furnace body are horizontally installed on the intracorporal burner hearth of furnace, are arranged in furnace body feed end
Feed inlet, and the discharge port of furnace body discharge end is set；It is structurally characterized in that, more rotation electricity are equipped in the burner hearth
Pole, the whole length direction along burner hearth of more rotating electrodes is arranged, and the length direction of every rotating electrode and the burner hearth
Length direction it is vertical；More rotating electrodes are used to install around the conductive material for itself doubling as resistance, and adjacent three rotations electricity
The tensioning system that the axis of pole is non-coplanar and is formed；It is preferred that opposite with the ABC of three-phase electricity tri- respectively per adjacent three rotating electrodes
A heating zone should be electrically connected to form；Preferred conductive material is carbon material, and more preferable conductive material is carbon fiber, carbon paper or carbon
Felt.
The present invention adjusts the drafting force of this section of carbon fiber by adjusting rotating electrode rotary speed difference, by adjusting rotation
Interelectrode electric current adjusts temperature, to realize the accurate control of the temperature and drafting force that handle carbon fiber thermal.
In addition, the invention is generated heat using conductive material itself as resistance, the appearance for greatly reducing core-skin is general
Rate improves the thermal treatment quality of conductive material.
According to an embodiment of the invention, can also make further optimization to the present invention, the following are the skills formed after optimization
Art scheme:
Preferably, insulating layer is equipped between the furnace body and burner hearth；It is preferred that insulating layer is the hard felt of graphite and low heat conductivity
Heat-preservation cotton.Low heat conductivity of the present invention refers to thermal coefficient lower than 0.05W/m.K.
Preferably, it is described be arranged in furnace body feed end between throat-fed end at a distance from be less than furnace body discharge end with go out
The distance between material mouth discharge end；It is preferred that the inlet port and outlet port are equipped with cooling device and gas-tight sealing.
Preferably, more rotating electrodes are integrally in that wave is staggered along the length direction of burner hearth.
The burner hearth is that graphite plate is spliced cavity, and the temperature in burner hearth is gradually successively decreased from middle part to both ends, with full
Sufficient heat treatment temperature curve requirement.
In order to be oriented to the conductive material for entering burner hearth and submitting, the entrance and exit in the burner hearth are all provided with
Have to roller idler wheel；It is preferred that being 5-20mm to the gap above and below roller idler wheel between two idler wheels；It is preferred that it is described to roller idler wheel by two
Electrode arranged up and down is constituted.
In order to facilitate input protective atmosphere, the bottom of furnace body is equipped with the air inlet being connected to burner hearth, sets at the top of the furnace body
There is the exhaust passage being connected to burner hearth；It is preferred that the exhaust passage bottom is equipped with tar collecting tank, it is possible thereby to facilitate collection, protect
Demonstrate,prove the safety and reliability of equipment.
Preferably, every rotating electrode passes through furnace body and is connected with the rotating mechanism being located at outside furnace body；It is preferred that every rotation
Electrode corresponds to an independent rotating mechanism, it is possible thereby to the revolving speed of each rotating electrode of independent control, so as to adjust conduction
The stretching force of material.
In order to facilitate the maintenance of equipment and the wire of fiber, the furnace body is equipped with active window.
It is upset mutually between more conductive materials in order to prevent, guiding groove is provided on the rotating electrode.
Present invention is mainly used for the heat treatment of conductive material, advantage is the controllable heating of serialization, the material for mainly including
Material is carbon material, preferably carbon fiber, carbon paper or carbon felt.
Compared with prior art, the beneficial effects of the present invention are:
1, it is generated heat using carbon fiber itself as resistance, greatly reduces the probability of occurrence of core-skin；
2, high current low voltage power supply, small power consumption, heating efficiency are high；
3, burner hearth side is designed with active window, facilitates the maintenance of equipment and the wire of fiber；
4, using the temperature and drafting force of the electric current of rotating electrode and each humidity province of rotational speed regulation, rotating electrode is as segmentation
Tensioning effect, does not need additional drafting system, and method is ingenious, conveniently；
5, there is gas-tight sealing and tar collecting tank, the safety and reliability of equipment increases.
Detailed description of the invention
Fig. 1 is the structure principle chart of one embodiment of the invention.
In figure
1- furnace body；2- rotating electrode；3- insulating layer；4- carbon fiber；5- feed inlet；6- discharge port；7- air inlet；8- exhaust
Channel；9- is to roller idler wheel；10- burner hearth.
Specific embodiment
Come that the present invention will be described in detail below with reference to attached drawing and in conjunction with the embodiments.It should be noted that in the feelings not conflicted
Under condition, the feature in embodiment and embodiment in the present invention be can be combined with each other.For sake of convenience, hereinafter as occurred
"upper", "lower", "left", "right" printed words only indicate consistent with the upper and lower, left and right direction of attached drawing itself, do not play limit to structure
It is set for using.
A kind of continuous carbon fiber Equipment for Heating Processing, as shown in Figure 1, including feed inlet 5, discharge port 6, burner hearth 10, rotation
Electrode 2 and exhaust passage 8.Wherein, feed inlet 5, discharge port 6 are equipped with air seal, while water cooling are arranged, wherein exporting the head of district
Degree is greater than import section length, as a result, predominantly one section of feed inlet of the entrance of extraneous gas, and air enters with carbon fiber bundle,
When exporting length greater than import, discharging gas excludes the pressure needed and is greater than feed inlet, the protective gas meeting of bottom entrance
It is preferentially discharged from one section of feed inlet, and then air is prevented to enter.
As shown in Figure 1, the burner hearth is graphite plate splicing composition cavity, it is the hard felt of graphite being uniformly distributed on the outside of graphite plate
The insulating layer 3 constituted with low heat conductivity heat-preservation cotton.Top is exhaust passage 8, and 8 bottom of exhaust passage is equipped with tar collecting tank.Stone
The intracavitary portion of ink is equipped with rotating electrode, and 2 one end of rotating electrode passes through graphite plate and insulating layer is connect with ex-ternal transmission mechanism.Rotation electricity
Pole is staggered in wave along graphite chamber horizontal center line.A heating zone is formed per three adjacent rotating electrodes.Respectively plus
Gradually successively decrease from intermediate to both ends temperature hot-zone.Both ends are equipped with the power-on and power-off to roller idler wheel 9, to roller idler wheel 9 close to import and export
Clearance between poles are 5-20mm.The non-drive mechanism side of burner hearth is designed for fenestration, facilitates the maintenance of equipment and the wire of carbon fiber 4.
Burner hearth bottom is equipped with air inlet, is conveniently passed through protection gas.
When heat treatment, carbon fiber first passes through import to roller roller gap, then bypasses each rotating electrode respectively, forms wave
Shape wave is finally then passed through outlet and reaches outlet area to 9 gap of roller idler wheel, and the rotating electrode of each heating zone 3 is respectively turned on three-phase electricity
ABC three-phase, using this section of carbon fiber as resistance heating between every two rotating electrode, by adjust rotating electrode rotary speed difference come
The drafting force of this section of carbon fiber is adjusted, adjusts temperature by adjusting electric current between rotating electrode, to realize to carbon fiber thermal
The temperature of processing and the accurate control of drafting force.
Further, it is upset between each cluster carbon fiber in order to prevent, groove can be set on each rotation electrode, make fiber filament
It moves ahead along each groove.
The present invention is not limited to the heating of carbon fiber bundle, while to Heat Conduction Materials such as continuous carbon materials such as carbon paper, carbon felt
Same thermal effectiveness can be played.
The content that above-described embodiment illustrates should be understood as that these embodiments are only used for being illustrated more clearly that the present invention, without
For limiting the scope of the invention, after the present invention has been read, those skilled in the art are to various equivalent forms of the invention
Modification each fall within the application range as defined in the appended claims.
Claims (12)
1. a kind of continuous heat treatment equipment, including furnace body (1), the burner hearth (10) being horizontally installed in furnace body (1) are arranged in furnace
The feed inlet (5) of body (1) feed end, and setting is in the discharge port (6) of furnace body (1) discharge end；It is characterized in that, the burner hearth
(10) more rotating electrodes (2) are equipped in, the whole length direction along burner hearth (10) of more rotating electrodes (2) is arranged, and every
The length direction of root rotating electrode is vertical with the length direction of the burner hearth (10)；More rotating electrodes (2) are for installing around itself
As the conductive material of resistance, and three adjacent rotating electrodes (2) axis is non-coplanar and the tensioning system that is formed；Per adjacent
Three rotating electrodes (2) are corresponding with the ABC of three-phase electricity tri- respectively to be electrically connected to form a heating zone；The conductive material is
Carbon material；Every rotating electrode (2) passes through furnace body (1) and is connected with the rotating mechanism of furnace body (1) outside is located at；
The setting is less than furnace body (1) discharge end and discharging in the distance between furnace body (1) feed end and feed inlet (5) feed end
The distance between mouth (6) discharge end；
The burner hearth (10) is that graphite plate is spliced cavity, and the temperature in burner hearth (10) is gradually successively decreased from middle part to both ends；
Entrance and exit in the burner hearth (10) are equipped with to roller idler wheel (9)；
The corresponding independent rotating mechanism of every rotating electrode (2).
2. continuous heat treatment equipment according to claim 1, which is characterized in that the furnace body (1) and burner hearth (10) it
Between be equipped with insulating layer (3).
3. continuous heat treatment equipment according to claim 2, which is characterized in that the insulating layer is the hard felt of graphite and low
The heat-preservation cotton of thermal conductivity.
4. continuous heat treatment equipment according to claim 1, which is characterized in that the feed inlet (5) and discharge port (6)
It is equipped with cooling device and gas-tight sealing.
5. continuous heat treatment equipment according to claim 1, which is characterized in that more rotating electrodes (2) are along burner hearth
(10) length direction is integrally in that wave is staggered.
6. continuous heat treatment equipment according to claim 1, which is characterized in that described to two up and down, roller idler wheel (9)
Gap between idler wheel is 5-20mm.
7. continuous heat treatment equipment according to claim 1, which is characterized in that it is described to roller idler wheel (9) by two
The electrode of lower arrangement is constituted.
8. continuous heat treatment equipment described in one of -7 according to claim 1, which is characterized in that furnace body (1) bottom is set
There is the air inlet (7) being connected to burner hearth (10), the exhaust passage (8) being connected to burner hearth (10) is equipped at the top of the furnace body (1).
9. continuous heat treatment equipment according to claim 8, which is characterized in that exhaust passage (8) bottom is equipped with
Tar collecting tank.
10. continuous heat treatment equipment described in one of -7 according to claim 1, which is characterized in that the furnace body (1) is equipped with
Active window.
11. continuous heat treatment equipment described in one of -7 according to claim 1, which is characterized in that on the rotating electrode (2)
It is provided with guiding groove.
12. continuous heat treatment equipment described in one of -7 according to claim 1, which is characterized in that the conductive material is carbon
Fiber, carbon paper or carbon felt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610883388.3A CN106480549B (en) | 2016-10-10 | 2016-10-10 | A kind of continuous heat treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610883388.3A CN106480549B (en) | 2016-10-10 | 2016-10-10 | A kind of continuous heat treatment equipment |
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| Publication Number | Publication Date |
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| CN106480549A CN106480549A (en) | 2017-03-08 |
| CN106480549B true CN106480549B (en) | 2019-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610883388.3A Active CN106480549B (en) | 2016-10-10 | 2016-10-10 | A kind of continuous heat treatment equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112404449A (en) * | 2020-10-23 | 2021-02-26 | 中国科学技术大学 | Device and method for continuously synthesizing powder material based on thermal shock |
| CN114932376B (en) * | 2022-05-05 | 2023-11-17 | 中国科学院上海高等研究院 | Hollow fiber electrode batch heat treatment device, manufacturing method and application |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203559252U (en) * | 2013-11-15 | 2014-04-23 | 蓝星(北京)化工机械有限公司 | Carbon fiber drying system |
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| JPS58208421A (en) * | 1982-05-26 | 1983-12-05 | Toray Ind Inc | Upright heating furnace |
| US4753777A (en) * | 1983-04-18 | 1988-06-28 | Toho Beslon Co., Ltd. | Apparatus for continuous production of carbon fibers |
| DE102005052660B3 (en) * | 2005-11-04 | 2007-04-26 | Karl Mayer Malimo Textilmaschinenfabrik Gmbh | Device for spreading a carbon fiber tow to form a carbon fiber tape comprises comprises an electric resistance heater and a spreader |
| CN102002787A (en) * | 2010-11-03 | 2011-04-06 | 舟山市岱山飞舟新材料有限公司 | Carbon fiber expansion device |
| CN103031688B (en) * | 2013-01-10 | 2015-03-25 | 湖南顶立科技有限公司 | Ultra-high-temperature carbonization device |
| DE102013208426A1 (en) * | 2013-05-07 | 2014-11-13 | Bayerische Motoren Werke Aktiengesellschaft | Process and apparatus for processing carbon fiber strands |
| CN205133826U (en) * | 2015-11-12 | 2016-04-06 | 荣成复合材料有限公司 | Carbon fibrous raw material high -temperature carbonized equipment |
| CN205133823U (en) * | 2015-11-12 | 2016-04-06 | 荣成复合材料有限公司 | Low -power consumption carbon fiber continuous carbonization stove |
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- 2016-10-10 CN CN201610883388.3A patent/CN106480549B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203559252U (en) * | 2013-11-15 | 2014-04-23 | 蓝星(北京)化工机械有限公司 | Carbon fiber drying system |
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| CN106480549A (en) | 2017-03-08 |
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Effective date of registration: 20200518 Address after: 412005 water in Zhuzhou city in Hunan Province Lu Shifeng District Co-patentee after: Liput Tongcheng (Jiangsu) New Energy Technology Co., Ltd Patentee after: ZHUZHOU CHENXIN INDUCTION EQUIPMENT Co.,Ltd. Address before: 412005 water in Zhuzhou city in Hunan Province Lu Shifeng District Patentee before: ZHUZHOU CHENXIN INDUCTION EQUIPMENT Co.,Ltd. |
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