KR101666576B1 - Manufacturing apparatus for oxidized pan using reheater - Google Patents

Manufacturing apparatus for oxidized pan using reheater Download PDF

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Publication number
KR101666576B1
KR101666576B1 KR1020150172993A KR20150172993A KR101666576B1 KR 101666576 B1 KR101666576 B1 KR 101666576B1 KR 1020150172993 A KR1020150172993 A KR 1020150172993A KR 20150172993 A KR20150172993 A KR 20150172993A KR 101666576 B1 KR101666576 B1 KR 101666576B1
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KR
South Korea
Prior art keywords
heating furnace
boiler
air
region
circulation flow
Prior art date
Application number
KR1020150172993A
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Korean (ko)
Inventor
김종수
Original Assignee
에스지원테크(주)
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Priority to KR1020150172993A priority Critical patent/KR101666576B1/en
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Publication of KR101666576B1 publication Critical patent/KR101666576B1/en

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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
    • D01F9/10—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material by decomposition of organic substances
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
    • D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
    • D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof
    • D01F9/14—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments
    • D01F9/20—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products
    • D01F9/21—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F9/22—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyacrylonitriles
    • 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
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/004—Systems for reclaiming waste heat
    • 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
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/004—Systems for reclaiming waste heat
    • F27D2017/006—Systems for reclaiming waste heat using a boiler

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Inorganic Fibers (AREA)

Abstract

The present invention relates to an apparatus for manufacturing a carbonized fiber using a reheater, which can use a boiler in an economic manner. The apparatus for manufacturing a carbonized fiber using a reheater of the present invention comprises: a heating furnace for performing an oxidizing process by spraying air heated on a fan; a boiler for providing the heated air; a first circulation flow path for reinserting the same in the heating furnace; a second circulation flow path for reheating the air and introducing the reheated air to the heating furnace; a moisture supplier for supplying the moisture to the second circulation flow path; and a third circulation flow path for discharging a portion of the air discharged from the heating furnace to the outside, and joining the other potion to the first circulation flow path.

Description

[0001] The present invention relates to an apparatus for manufacturing carbonized fibers using reheating,

More particularly, the present invention relates to an apparatus for producing carbonized fibers using reheating, and more particularly, to a method of manufacturing a carbonized fiber using a reheating furnace, (Hereinafter referred to as " carbonized fiber manufacturing apparatus ").

Generally, carbon fiber is produced during carbon fiber manufacturing process. Carbon fiber itself is also used as a finished product in various fields. In this carbon fiber manufacturing process, a waste fan is generated, and since the carbon fiber is produced again by using the fan, the carbon fiber needs to be heated at a high temperature for a long time, which is costly.

Korean Patent No. 10-1377430

The present invention has been conceived to solve the problems of the prior art as described above, and it is an object of the present invention to provide a carbonized fiber manufacturing apparatus using reheating capable of economically using a boiler by reheating heated air inside a heating furnace by using a boiler do.

The problems to be solved by the present invention are not limited to the above-mentioned problems, and other problems to be solved by the present invention, which are not mentioned here, can be understood by referring to the following description to those skilled in the art It will be understood clearly.

The apparatus for manufacturing carbonized fibers using reheating according to the present invention includes a heating furnace in which a process of spraying and oxidizing heated air to a fan, which is a waste material of carbon fiber generated in the middle of carbon fiber manufacturing, is executed; A boiler connected to the heating furnace and connected to the furnace to supply heated air to the heating furnace; A first circulation flow path for circulating air discharged from the heating furnace and re-introducing the air into the heating furnace; A second circulating flow path for reheating air discharged from the heating furnace to the boiler and flowing the reheated air back into the heating furnace; Wherein when the humidity of the internal air of the heating furnace is lower than the reference humidity, the moisture is supplied to the second circulation flow passage, ; And a third circulation flow passage for discharging a part of the air discharged from the heating furnace to the outside and a part of the air discharged from the heating furnace to be reheated through the boiler and thereafter joining to the first circulation flow passage, And is injected into a fan in a heating furnace to oxidize the fan to produce carbonized fiber.

The apparatus for producing carbonized fibers using reheat heating according to the present invention is provided with an apparatus for producing carbonized fibers using reheating which can reheat heated air inside a heating furnace by using a boiler, thereby economically using the boiler.

1 is a view showing an apparatus for producing carbonized fiber using reheating according to an embodiment of the present invention.
FIG. 2 is a view showing each region of a boiler of a carbonized fiber manufacturing apparatus using reheating according to an embodiment of the present invention. FIG.
3 is a view showing a second circulation flow passage and a third circulation flow passage that pass through a boiler of a carbonized fiber manufacturing apparatus using reheating according to an embodiment of the present invention.
FIG. 4 is a block diagram showing a combustion exhaust gas of a burner of a carbonized fiber production apparatus using reheating according to an embodiment of the present invention. FIG.

The above and other objects, features and advantages of the present invention will be more apparent from the following detailed description taken in conjunction with the accompanying drawings, in which: FIG. BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in more detail with reference to the accompanying drawings.

1 to 4, an apparatus for producing carbonized fiber using reheating according to the present invention includes a heating furnace 10, a boiler 20, a first circulation flow passage 30, a second circulation flow passage 40 ), And a third circulation flow path (50).

The heating furnace 10 is formed in a cylindrical shape having a receiving space therein. The heating furnace 10 is a place where the process of making carbon fiber by oxidizing the fan 15 by injecting heated air to the fan 15, which is a waste material of carbon fiber generated in the course of manufacturing carbon fiber, is executed. The heating furnace 10 further includes a heating furnace 1 inlet 12, a heating furnace 2 inlet 13, an injector 11, and a heating furnace outlet 14.

The heating furnace 1 inlet 12 is formed at one side of the heating furnace 10 and is connected to the first circulation channel 30 to which the third circulation channel 50 joins. The reheated air passing through the boiler 20 and joined to the air discharged from the heating furnace 10 is introduced into the heating furnace 10 through the heating furnace 1 inlet 12 so that the heating furnace 10 ) The internal temperature rises.

A heating furnace 2 inlet 13 is formed at one side of the heating furnace 10 and connected to the boiler 20 through a pipe. The reheated air passing through the heating furnace 2 inlet 13 through the boiler 20 is received in the heating furnace 10.

The jetting device 11 is formed inside the heating furnace 10 and is installed toward the fan 15 installed in the heating furnace 10. The injector (11) injects reheated air introduced from the boiler (20) toward the fan (15).

A plurality of heating furnace outlet ports 14 are formed at the upper end of the heating furnace 10. And the air inside the heating furnace 10 is discharged through the heating furnace outlet 14. The plurality of heating furnace outlet ports 14 are composed of a heating furnace 1 outlet 16, a heating furnace 2 outlet 17, and a heating furnace 3 outlet 18.

The heating furnace 1 outlet 16 refers to the first, third, and fifth outlets formed from left and right sides of the plurality of heating furnace outlet ports 14 formed at the upper end of the heating furnace 10. The heating furnace 1 outlet 16 is connected to the first circulation channel 30 and is connected to the first circulation channel 30. Since the heating furnace 1 outlet 16 is widely and evenly distributed at the upper end of the heating furnace 10, the air inside the heating furnace 10 is further assisted in circulation.

The heating furnace 2 outlet 17 refers to a second outlet formed from the right side of the heating furnace outlet 14. The heating furnace 2 outlet (17) is connected to the second circulation channel (40).

The heating furnace 3 outlet 18 is a second outlet formed from the left side of the heating furnace outlet 14. The heating furnace 3 outlet 18 is connected to the third circulation channel 50 described below.

A boiler (20) is connected to the heating furnace (10) by a pipe and provides heated air to the heating furnace (10). As shown in FIGS. 2 to 4, the boiler 20 overlaps four cylinders to form four regions in the outward direction from the central portion. That is, the boiler 20 may include a first region 70, a burner 60, a second region 71, a third region 72, and a fourth region 73.

The first region 70 is formed in the central portion of the boiler 20 and a helical heating tube 21 is provided therein. The air passing through the heating tube 21 and the heating tube 21 in the first region 70 is reheated.

A burner 60 is formed on top of the boiler 20 and supplies heat to the interior of the boiler 20,

The second region 71 is formed so as to surround the outside of the first region 70 and a part thereof communicates with the heating tube 21 through a cylinder forming the first region 70.

The third region 72 is formed so as to surround the outside of the second region 71 and communicates with the lower end of the first region 70. The heat generated from the burner 60 in the first region 70 heats the heating tube 21 and moves to the third region 72 and flows through the boiler third outlet 26 to the boiler 20.

The fourth region 73 is formed so as to surround the outside of the third region 72. The inlet of the fourth zone 73 is the second boiler inlet 24 and the outlet is the second boiler outlet 25.

The first circulation flow passage 30 is formed by a tube and both ends thereof are connected to the heating furnace 1 outlet 16 and the heating furnace 1 inlet 12.

The second circulation flow passage 40 is connected to the heating furnace 2 outlet 17 and is connected to the heating furnace 2 inlet 13 again through the boiler 20. The second circulation channel 40 is connected to the heating device 10 through the heating device 10 so that air discharged from the heating device 10 is reheated by the boiler 20 and then introduced into the heating device 10, to be. The second circulation channel (40) further includes a water supply unit (110).

The water supply unit 110 is installed on the second circulation channel 40 before the air discharged from the heating furnace 10 flows into the boiler 20. [ The moisture supplier 110 serves to supply moisture to the second circulation channel 40 when the humidity of the inside air of the heating furnace 10 is lower than the reference humidity. And the humidity of the internal air of the heating furnace 10 is increased by supplying water. The reference humidity refers to the humidity most suitable for heating the fan to produce high-quality carbonized fibers.

The third circulation flow passage 50 is connected to the third heating source discharge port 18 and passes through the boiler 20 to be combined with the first circulation flow passage 30. The third circulation flow passage 50 discharges a part of the air discharged through the heating roaster 3 outlet 18 to the outside and a part of the air is reheated after passing through the boiler 20, ). The gas or impurities generated when the flame is blown out from the burner 60 are discharged to the outside while passing through the third circulation passage 50. In addition, a part of the air circulating in the heating furnace 10 and the circulation flow paths 30, 40, 50 is selectively discharged so that the internal pressures of the heating furnace 10 and the circulation flow paths 30, .

Hereinafter, the operation of the carbon fiber manufacturing method using the reheater according to the present invention having the above-described structure will be described in detail.

The air in the heating furnace 20 moves through the first circulation flow passage 30 connected to the heating furnace 20, the second circulation flow passage 40 and the third circulation flow passage 50, And then supplied to the heating furnace 20 again.

First, the second circulation flow passage 40 will be described. 3, the air exhausted through the heating furnace 2 outlet 17 is introduced into the boiler 20 through the first inlet 22 of the boiler by the operation of the electric fan 90. As shown in Fig. When the humidity of the air inside the heating furnace 10 is low, moisture is supplied to the second circulation channel 40 by the moisture supplier 110. And then discharged through the second region 71 to the boiler first outlet 23 along the heating pipe 21 of the first region 70. At this time, the air passing through the heating pipe 21 is reheated by the burner 60 of the first region 70, and the reheated air is discharged from the boiler 20 and is transferred to the heating furnace 10 . The reheated air which has moved to the heating furnace (10) is injected into the fan (15) by the injector (11).

The air circulated through the first furnace outlet 16 of the first circulation channel 30 merges with the third circulation channel 50 and flows into the heating furnace 10 again by the circulation fan 80 .

3, a part of the air discharged through the heating furnace 3 outlet 18 is discharged to the outside by the discharge fan 100, and a part of the air is discharged to the boiler 20 through the third circulating flow path 50, Is introduced into the second inlet 24 of the boiler. The air introduced into the boiler 20 is discharged to the outside along the fourth region 73 and indirectly reheated by the heat supplied from the burner 60 passing through the third region 72 in the fourth region 73 do. The air discharged through the second outlet 25 of the boiler merges with the third outlet 26 of the boiler through which heat generated from the burner 60 is discharged. The combined air is combined with the first circulation flow passage 30 and introduced into the heating furnace 10.

The apparatus for manufacturing carbonized fiber using reheating according to the present invention uses a method of reheating air in the heating furnace 10 using the boiler 20 by heating the fan 15 to a high temperature, The boiler 20 can be economically used because the air that has already reached the predetermined temperature is reheated.

As described above, it is to be understood that the technical structure of the present invention can be embodied in other specific forms without departing from the spirit and essential characteristics of the present invention.

Therefore, it should be understood that the above-described embodiments are to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than the foregoing description, All changes or modifications that come within the scope of the equivalent concept are to be construed as being included within the scope of the present invention.

10: heating furnace
11: Injection device
12: heating furnace 1 inlet
13: Heating furnace 2 inlet
14: Heating furnace outlet
15: Fans
16: heating furnace 1 outlet
17: Heating furnace 2 outlet
18: Heating furnace 3 outlet
20: Boiler
21: Heating tube
22: First inlet of the boiler
23: boiler first outlet
24: boiler second inlet
25: boiler second outlet
26: boiler third outlet
30: First circulation channel
40: a second circulation channel
50: Third circulation channel
60: burner
70: First area
71: second region
72: third region
73: fourth region
80: Circulating fan
90: Electric fan
100: exhaust fan
110: Moisture supply

Claims (5)

A heating furnace in which a process of spraying and oxidizing heated air to a fan (PAN), which is a carbon fiber waste material generated in the course of carbon fiber manufacturing, is executed;
A boiler connected to the heating furnace and connected to the furnace to supply heated air to the heating furnace;
A first circulation flow path for circulating air discharged from the heating furnace and re-introducing the air into the heating furnace;
A second circulating flow path for reheating air discharged from the heating furnace to the boiler and flowing the reheated air back into the heating furnace;
Wherein when the humidity of the internal air of the heating furnace is lower than the reference humidity, the moisture is supplied to the second circulation flow passage, ;
And a third circulation flow passage for discharging a part of the air discharged from the heating furnace to the outside, and a part of the third circulation flow passing through the boiler to reheat and then joining to the first circulation flow passage,
And the air heated by the boiler is injected into a fan of the heating furnace to oxidize the fan to produce carbonized fiber. The method of claim 1, wherein
In the heating furnace,
A heating furnace 1 inlet through which the first circulation flow path in which the third circulation flow paths are merged is introduced into the heating furnace;
A heating furnace 2 inlet for receiving the reheated air from the boiler;
An injector for injecting the air received through the second furnace inlet into the fan;
And a heating furnace outlet for discharging the heated air of the heating furnace to the first circulation conduit, the second circulation conduit, and the third circulation conduit. The method according to claim 1,
In the boiler,
Four regions are formed from the central portion to the outer portion,
A first region in which a helical heating tube is formed and the air passing through the heating tube and the heating tube is heated;
A burner for supplying heat to the inside of the first region to heat the air passing through the heating tube and the inside of the heating tube;
A second region formed outside the first region and partially communicating with the heating tube;
A third region formed outside the second region and communicating with a lower end of the first region, the heat supplied from the burner heating the heating tube and then being discharged to the outside;
And a fourth region formed outside the third region and being discharged to the outside after reheating air passing through the third circulation flow passage,
The air flowing along the second circulation flow path flows into the first inlet of the boiler and is reheated while passing through the second region through the heating pipe of the first region and discharged to the first outlet of the boiler connected to the heating furnace Characterized in that the apparatus for producing carbonized fibers using reheating is used. The method of claim 3,
The air flowing along the third circulation flow passage flows into the second inlet of the boiler which is the inlet of the fourth region of the boiler and is discharged to the second outlet of the boiler which is the outlet of the boiler and the third region through which the supply heat from the burner passes, Wherein the reheating is indirectly reheated. The method of claim 3,
The heat supplied to the first region by the burner is discharged to the third outlet of the boiler which is the outlet of the third region after heating the heating tube and merged with the third circulation flow passage that has passed through the boiler, And the air which is joined to the first circulation flow passage and passes through the boiler and reheated is supplied to the heating furnace.
KR1020150172993A 2015-12-07 2015-12-07 Manufacturing apparatus for oxidized pan using reheater KR101666576B1 (en)

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Application Number Priority Date Filing Date Title
KR1020150172993A KR101666576B1 (en) 2015-12-07 2015-12-07 Manufacturing apparatus for oxidized pan using reheater

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Application Number Priority Date Filing Date Title
KR1020150172993A KR101666576B1 (en) 2015-12-07 2015-12-07 Manufacturing apparatus for oxidized pan using reheater

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KR101666576B1 true KR101666576B1 (en) 2016-10-24

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007217835A (en) * 2006-02-17 2007-08-30 Toho Tenax Co Ltd Flameproofing treatment oven
JP2010100967A (en) * 2008-10-24 2010-05-06 Toray Ind Inc Heat-treatment furnace, flame retardant fiber bundle, and method for producing carbon fiber
JP2010223471A (en) * 2009-03-23 2010-10-07 Toray Ind Inc Heat treatment furnace, and method of manufacturing flame resistant fiber bundle and carbon fiber
KR101377430B1 (en) 2012-04-12 2014-04-01 한국세라믹기술원 Manufacturing apparatus and mehtod of slilion carbide fiber
JP2014159658A (en) * 2013-02-20 2014-09-04 Toray Ind Inc Heat treatment furnace, and heat treatment method using the same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007217835A (en) * 2006-02-17 2007-08-30 Toho Tenax Co Ltd Flameproofing treatment oven
JP2010100967A (en) * 2008-10-24 2010-05-06 Toray Ind Inc Heat-treatment furnace, flame retardant fiber bundle, and method for producing carbon fiber
JP2010223471A (en) * 2009-03-23 2010-10-07 Toray Ind Inc Heat treatment furnace, and method of manufacturing flame resistant fiber bundle and carbon fiber
KR101377430B1 (en) 2012-04-12 2014-04-01 한국세라믹기술원 Manufacturing apparatus and mehtod of slilion carbide fiber
JP2014159658A (en) * 2013-02-20 2014-09-04 Toray Ind Inc Heat treatment furnace, and heat treatment method using the same

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