CN106480549A - A kind of continuous heat treatment equipment - Google Patents

A kind of continuous heat treatment equipment Download PDF

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Publication number
CN106480549A
CN106480549A CN201610883388.3A CN201610883388A CN106480549A CN 106480549 A CN106480549 A CN 106480549A CN 201610883388 A CN201610883388 A CN 201610883388A CN 106480549 A CN106480549 A CN 106480549A
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CN
China
Prior art keywords
burner hearth
heater
heat treatment
treatment equipment
continuous heat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610883388.3A
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Chinese (zh)
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CN106480549B (en
Inventor
朱登伟
贺俊德
罗旺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Liput Tongcheng (Jiangsu) New Energy Technology Co., Ltd
ZHUZHOU CHENXIN INDUCTION EQUIPMENT Co.,Ltd.
Original Assignee
Zhuzhou Chenxin Induction Equipment Co Ltd
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Priority to CN201610883388.3A priority Critical patent/CN106480549B/en
Publication of CN106480549A publication Critical patent/CN106480549A/en
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Classifications

    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F9/00Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
    • D01F9/08Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
    • D01F9/12Carbon filaments; Apparatus specially adapted for the manufacture thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B17/00Furnaces of a kind not covered by any preceding group
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D11/00Arrangement of elements for electric heating in or on furnaces
    • F27D11/08Heating by electric discharge, e.g. arc discharge
    • F27D11/10Disposition of electrodes

Abstract

The invention discloses a kind of continuous heat treatment equipment.Described continuous heat treatment equipment includes body of heater, is horizontally installed on the burner hearth in body of heater, is arranged on the charging aperture of body of heater feed end, and the discharging opening being arranged on body of heater discharge end;It is provided with many rotating electrodes, many rotating electrodes are integrally along the length direction setting of burner hearth, and the length direction of every rotating electrode is vertical with the length direction of described burner hearth in described burner hearth;Many rotating electrodes are used for installing around the conductive material itself doubling as resistance, and three adjacent rotating electrodes axis is non-coplanar and the tensioning system that formed.The Equipment for Heating Processing of the present invention is passed through to change thermaltransmission mode, reducing or eliminates the thermograde of core-skin, thus reducing the probability of occurrence of skin-core structure, substantially increasing the heat treatment performance of conductive material.

Description

A kind of continuous heat treatment equipment
Technical field
The present invention relates to a kind of continuous heat treatment equipment, the heat treatment of especially suitable carbon fiber.
Background technology
Carbon fiber is a kind of new fiber materials with high intensity, high-moduluss, in defence and military and civilian aspect is all Important materials, are called " black gold ".
Traditional carbon fiber serialization heat treatment method is usually and transmits heat by electrode heating by the method for radiant heat transfer Amount, easily forms thermograde at the core-skin of carbon fiber and causes skin-core structure, the performance of impact carbon fiber, specifically:
1st, traditional carbon fiber thermal processing method passes through in burner hearth for carbon fiber, heat by external radiation to carbon fiber surface, So temperature difference being produced in carbon fiber surface different depth, thus producing skin-core structure, reducing the intensity of carbon fiber.
2nd, carbon fiber needs in addition drafting force in heat treatment, so contributes to the defect shape on fiber and is changed into oval, Thus improving intensity, traditional carbon fiber thermal processing method is to adjust drafting force by adjusting rolling speed, now drafting force Run through whole carbon fiber, the drafting force that different temperatures section receives is identical it is impossible to reach precise controlling.
3rd, traditional carbon fiber thermal processing mode due to being heated using external radiation, can not accurately control by the uniformity of temperature System.
Content of the invention
The present invention is intended to provide a kind of continuous heat treatment equipment, this Equipment for Heating Processing, can by changing thermaltransmission mode Reducing or eliminate the thermograde of core-skin, thus reducing the probability of occurrence of skin-core structure, greatly improving conductive material, especially carbon The heat treatment performance of fiber.
To achieve these goals, the technical solution adopted in the present invention is:
A kind of continuous heat treatment equipment, including body of heater, is horizontally installed on the burner hearth in body of heater, is arranged on entering of body of heater feed end Material mouth, and it is arranged on the discharging opening of body of heater discharge end;It is structurally characterized in that, is provided with many rotating electrodes in described burner hearth, many The overall length direction setting along burner hearth of root rotating electrode, and the length of the length direction of every rotating electrode and described burner hearth Direction is vertical;Many rotating electrodes are used for installing around the conductive material itself doubling as resistance, and the axle of three adjacent rotating electrodes The tensioning system that line is non-coplanar and is formed;Preferably often adjacent three rotating electrodes are corresponding with the ABC tri- of three-phase electricity respectively is electrically connected Connect and form a thermal treatment zone;Preferred conductive material is material with carbon element, and more preferably 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, is rotated by adjustment Interelectrode electric current is adjusting temperature, thus realizing the precise control of the temperature and drafting force that carbon fiber thermal is processed.
Additionally, the invention to be generated heat using conductive material itself as resistance, the appearance greatly reducing core-skin is general Rate, improves the thermal treatment quality of conductive material.
According to embodiments of the invention, the present invention can also be made with further optimization, below for the skill of formation after optimizing Art scheme:
Preferably, it is provided with heat-insulation layer between described body of heater and burner hearth;Preferably heat-insulation layer is the insulation of the hard felt of graphite and low heat conductivity Cotton.Low heat conductivity of the present invention refers to that heat conductivity is less than 0.05W/m.K.
Preferably, described the distance between body of heater feed end and throat-fed end of being arranged on less than body of heater discharge end and goes out The distance between material mouth discharge end;Preferably described charging aperture and discharging opening are equipped with chiller and gas-tight sealing.
Preferably, many rotating electrodes are integrally staggered in wave along the length direction of burner hearth.
The temperature that described burner hearth is spliced in cavity, and burner hearth for graphite cake is gradually successively decreased from middle part to two ends, with full Sufficient heat treatment temperature curve requirement.
In order to guide to the conductive material entering burner hearth and send, the entrance in described burner hearth and exit are all provided with Have to roller roller;Gap between upper and lower two rollers of preferred pair roller roller is 5-20mm;Preferably described to roller roller by two The electrode arranged up and down is constituted.
Input protective atmosphere for convenience, described bottom of furnace body is provided with the air inlet connecting with burner hearth, and this body of heater top sets There is the exhaust passage connecting with burner hearth;Preferably described exhaust passage bottom is provided with tar collecting tank, thus can conveniently collect, and protects The safety and reliability of card equipment.
Preferably, every rotating electrode is passed through body of heater and is connected with the rotating mechanism outside body of heater;Preferably every rotation Electrode pair answers an independent rotating mechanism, thus can be with the rotating speed of each rotating electrode of independent control, thus adjusting conduction The stretching force of material.
The wire of the maintenance of equipment and fiber for convenience, described body of heater is provided with active window.
In order to prevent upsetting mutually between many conductive materials, described rotating electrode has direction recess.
Present invention is mainly used for the heat treatment of conductive material, advantage is the controlled heating of serialization, the main material including Material is material with carbon element, preferably carbon fiber, carbon paper or carbon felt.
Compared with prior art, the invention has the beneficial effects as follows:
1st, to be generated heat as resistance using carbon fiber itself, to greatly reduce the probability of occurrence of core-skin;
2nd, high current low voltage power supply, small power consumption, the efficiency of heating surface is high;
3rd, burner hearth side has active window design, facilitates the maintenance of equipment and the wire of fiber;
4th, the electric current of rotating electrode and the temperature of each humidity province of rotational speed regulation and drafting force are utilized, rotating electrode doubles as subsection tension Act on the drafting system it is not necessary to extra, method is ingenious, convenient;
5th, there is gas-tight sealing and tar collecting tank, the safety and reliability of equipment increases.
Brief description
Fig. 1 is the structure principle chart of one embodiment of the invention.
In in figure
1- body of heater;2- rotating electrode;3- heat-insulation layer;4- carbon fiber;5- charging aperture;6- discharging opening;7- air inlet;8- aerofluxuss are led to Road;9- is to roller roller;10- burner hearth.
Specific embodiment
To describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that in the feelings do not conflicted Under condition, the embodiment in the present invention and the feature in embodiment can be mutually combined.For sake of convenience, hereinafter as occurred " on ", D score, "left", "right" printed words, only represent consistent with the upper and lower, left and right direction of accompanying drawing itself, limit is not played to structure It is set for using.
A kind of continuous carbon fiber Equipment for Heating Processing, as shown in figure 1, including charging aperture 5, discharging opening 6, burner hearth 10, rotating Electrode 2 and exhaust passage 8.Wherein, charging aperture 5, discharging opening 6 are equipped with air seal, arrange water-cooled simultaneously, wherein export the head of district Degree is more than import section length, and thus, the entrance of extraneous gas is mainly one section of charging aperture, and air enters with carbon fiber bundle, When exporting length more than import, the pressure that the exclusion of discharging gas needs is more than charging aperture, the shielding gas cognition that bottom enters Preferentially from one section of discharge of charging aperture, and then air is stoped to enter.
As shown in figure 1, described burner hearth splices composition cavity for graphite cake, it is the hard felt of graphite of uniform distribution outside graphite cake The heat-insulation layer 3 constituting with low heat conductivity heat-preservation cotton.Top is exhaust passage 8, and exhaust passage 8 bottom is provided with tar collecting tank.Stone Black intracavity portion is provided with rotating electrode, and rotating electrode 2 one end passes through graphite cake and heat-insulation layer to be connected with ex-ternal transmission mechanism.Rotate electricity Pole is in that wave is staggered along graphite chamber horizontal center line.Three often adjacent rotating electrodes form a thermal treatment zone.Respectively plus Gradually successively decrease from centre to two ends temperature in hot-zone.Two ends are provided with to roller roller 9, the power-on and power-off to roller roller 9 near import and export Clearance between poles are 5-20mm.Burner hearth non-drive mechanism designs for fenestration side, facilitates the maintenance of equipment and the wire of carbon fiber 4. Burner hearth bottom is provided with air inlet, is conveniently passed through shielding gas.
During heat treatment, carbon fiber first passes through import to roller roller gap, then bypasses each rotating electrode respectively, forms ripple Shape wave, is finally then passed through exporting reaching outlet area to roller roller 9 gap, 3 rotating electrodes in each thermal treatment zone are respectively turned on three-phase electricity ABC three-phase, with this section of carbon fiber as resistance heating between each two rotating electrode, by adjust rotating electrode rotary speed difference Lai Adjust the drafting force of this section of carbon fiber, adjust temperature by adjusting the electric current between rotating electrode, thus realizing to carbon fiber thermal The temperature processing and the precise control of drafting force.
Further, in order to prevent from upsetting between each cluster carbon fiber, each rotation electrode can arrange groove, make cellosilk Move ahead along each groove.
The invention is not restricted to the heating of carbon fiber bundle, simultaneously the material with carbon element such as Heat Conduction Material such as carbon paper, carbon felt to continuous way Same thermal effectiveness can be played.
The content that above-described embodiment illustrates should be understood to that these embodiments are only used for being illustrated more clearly that the present invention, and not For limiting the scope of the present invention, after having read the present invention, the various equivalent form of values to the present invention for the those skilled in the art Modification each fall within the application claims limited range.

Claims (10)

1. a kind of continuous heat treatment equipment, including body of heater(1), it is horizontally installed on body of heater(1)Interior burner hearth(10), it is arranged on stove Body(1)The charging aperture of feed end(5), and it is arranged on body of heater(1)The discharging opening of discharge end(6);It is characterized in that, described burner hearth (10)Inside it is provided with many rotating electrodes(2), many rotating electrodes(2)Entirety is along burner hearth(10)Length direction setting, and often The length direction of root rotating electrode and described burner hearth(10)Length direction vertical;Many rotating electrodes(2)For installing around itself As the conductive material of resistance, and three adjacent rotating electrodes(2)Axis non-coplanar and formed tensioning system;Preferably every Adjacent three rotating electrodes(2)Corresponding with the ABC tri- of three-phase electricity respectively it is electrically connected to form a thermal treatment zone;Preferably conduction material Expect for material with carbon element, more preferably conductive material is carbon fiber, carbon paper or carbon felt.
2. continuous heat treatment equipment according to claim 1 is it is characterised in that described body of heater(1)With burner hearth(10)It Between be provided with heat-insulation layer(3);Preferably heat-insulation layer is the heat-preservation cotton of the hard felt of graphite and low heat conductivity.
3. continuous heat treatment equipment according to claim 1 is it is characterised in that described be arranged on body of heater(1)Feed end With charging aperture(5)The distance between feed end is less than body of heater(1)Discharge end and discharging opening(6)The distance between discharge end;Preferably Described charging aperture(5)And discharging opening(6)It is equipped with chiller and gas-tight sealing.
4. continuous heat treatment equipment according to claim 1 is it is characterised in that many rotating electrodes(2)Along burner hearth (10)Length direction integrally be in wave staggered.
5. continuous heat treatment equipment according to claim 1 is it is characterised in that described burner hearth(10)For graphite cake splicing Form cavity, and burner hearth(10)Interior temperature is gradually successively decreased from middle part to two ends.
6. continuous heat treatment equipment according to claim 1 is it is characterised in that described burner hearth(10)Interior entrance and Exit is equipped with to roller roller(9);Preferred pair roller roller(9)Gap between upper and lower two rollers is 5-20mm;Preferably institute State to roller roller(9)It is made up of about two electrodes arranged.
7. the continuous heat treatment equipment according to one of claim 1-6 is it is characterised in that described body of heater(1)Bottom sets Have and burner hearth(10)The air inlet of connection(7), this body of heater(1)Top is provided with and burner hearth(10)The exhaust passage of connection(8);Preferably Described exhaust passage(8)Bottom is provided with tar collecting tank.
8. the continuous heat treatment equipment according to one of claim 1-6 is it is characterised in that every rotating electrode(2)Wear Cross body of heater(1)And with positioned at body of heater(1)Outer rotating mechanism is connected;Preferably every rotating electrode(2)Corresponding one independent turning Motivation structure.
9. the continuous heat treatment equipment according to one of claim 1-6 is it is characterised in that described body of heater(1)It is provided with Active window.
10. the continuous heat treatment equipment according to one of claim 1-6 is it is characterised in that described rotating electrode(2)On Have direction recess.
CN201610883388.3A 2016-10-10 2016-10-10 A kind of continuous heat treatment equipment Active CN106480549B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN114932376A (en) * 2022-05-05 2022-08-23 中国科学院上海高等研究院 Batch heat treatment device for hollow fiber electrodes, manufacturing method and application

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4523321A (en) * 1982-05-26 1985-06-11 Toray Industries, Inc. Vertical carbonizing furnace for use in the production of carbon fibers
US4753777A (en) * 1983-04-18 1988-06-28 Toho Beslon Co., Ltd. Apparatus for continuous production of carbon fibers
CN1958895A (en) * 2005-11-04 2007-05-09 卡尔.迈耶.马里莫纺织机械制造有限责任公司 Device and method for spreading a carbon fibres tow
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
CN103031688A (en) * 2013-01-10 2013-04-10 湖南顶立科技有限公司 Ultra-high-temperature carbonization device
CN203559252U (en) * 2013-11-15 2014-04-23 蓝星(北京)化工机械有限公司 Carbon fiber drying system
CN105143530A (en) * 2013-05-07 2015-12-09 宝马股份公司 Method and device for processing carbon fibre 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

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4523321A (en) * 1982-05-26 1985-06-11 Toray Industries, Inc. Vertical carbonizing furnace for use in the production of carbon fibers
US4753777A (en) * 1983-04-18 1988-06-28 Toho Beslon Co., Ltd. Apparatus for continuous production of carbon fibers
CN1958895A (en) * 2005-11-04 2007-05-09 卡尔.迈耶.马里莫纺织机械制造有限责任公司 Device and method for spreading a carbon fibres tow
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
CN103031688A (en) * 2013-01-10 2013-04-10 湖南顶立科技有限公司 Ultra-high-temperature carbonization device
CN105143530A (en) * 2013-05-07 2015-12-09 宝马股份公司 Method and device for processing carbon fibre strands
CN203559252U (en) * 2013-11-15 2014-04-23 蓝星(北京)化工机械有限公司 Carbon fiber drying system
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN114932376A (en) * 2022-05-05 2022-08-23 中国科学院上海高等研究院 Batch heat treatment device for hollow fiber electrodes, manufacturing method and application
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

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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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