CN111174598A - Active carbon fiber high-temperature carbonization furnace and control system thereof - Google Patents
Active carbon fiber high-temperature carbonization furnace and control system thereof Download PDFInfo
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- CN111174598A CN111174598A CN201911376650.5A CN201911376650A CN111174598A CN 111174598 A CN111174598 A CN 111174598A CN 201911376650 A CN201911376650 A CN 201911376650A CN 111174598 A CN111174598 A CN 111174598A
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- 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
- F27D19/00—Arrangements of controlling devices
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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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- 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
- D01F9/32—Apparatus therefor
- D01F9/328—Apparatus therefor for manufacturing filaments from polyaddition, polycondensation, or polymerisation products
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention discloses an active carbon fiber high-temperature carbonization furnace and a control system thereof, belonging to the technical field of carbon fibers. According to the invention, the steam pipe and the third spray head are arranged, so that the steam pipe can isolate oxygen from the discharge hole, and the carbon fiber felt is prevented from being natural due to the oxygen; simultaneously be equipped with the third shower nozzle and can spray water droplet and nitrogen gas to the carbon fiber surface and guarantee to be in vacuum state in the stove courage, avoid the quality of carbon fiber to receive the influence.
Description
Technical Field
The invention relates to a carbonization furnace and a control system thereof, in particular to an active carbon fiber high-temperature carbonization furnace and a control system thereof, belonging to the technical field of carbon fibers.
Background
The device for carbonizing the pre-oxidized fiber or the phenolic aldehyde protofilament is mainly a continuous furnace, and the intermittent furnace is a pre-oxidation furnace, and is carried out by increasing the temperature. The high-temperature carbonization is to convert into carbon fibers with a disordered layer structure at the temperature of 1000-1800 ℃, a hearth is a key part of a high-temperature carbonization furnace, the hearth is required to bear the high temperature of 1800 ℃ for a long time and has air tightness, no oxygen can enter the hearth under micro pressure, the general process of high-temperature carbonization is to vacuumize to 1pa and then fill nitrogen for continuous conversion for three times, then quickly heat up to 800 ℃, 1000 ℃, 1200 ℃, 1400 ℃ and 1600 ℃ and then respectively preserve heat for 1 hour, and then stay at 1600-1800 ℃ for more than 5 hours to obtain the carbon fibers, and the problems of the existing high-temperature carbonization furnace are as follows: the inside of the hearth is unevenly heated, so that the carbon fiber is unevenly carbonized, the exhaust effect is poor, and the generated waste gas is coked.
Disclosure of Invention
The invention mainly aims to solve the defects of the prior art and provide an active carbon fiber high-temperature carbonization furnace and a control system thereof.
The purpose of the invention can be achieved by adopting the following technical scheme:
an active carbon fiber high-temperature carbonization furnace, which comprises a base and a furnace body arranged on the top of the base, a furnace pipe is arranged in the furnace body, a furnace frame is arranged in the furnace pipe, a plurality of supporting plates are arranged below the furnace body, the top of the base is provided with a plurality of heat insulation bricks which are connected with the supporting plate in a sliding way, both ends of each heat insulation brick are provided with positioning plates for positioning the supporting plate, the interior of the heat insulation brick is provided with an electric stove wire, the upper part and the lower part of the stove frame are provided with third spray heads, the inside of the furnace is provided with an air pressure detector, the top of the furnace body is connected with a circulating draught fan box through a tar waste gas conveying pipe, the inside of circulation induced draft fan case is equipped with the draught fan, the draught fan is close to one side of tar waste gas conveyer pipe is equipped with waterproof ventilative layer, the top of draught fan is equipped with the gas-supply pipe.
Preferably, one end of the furnace body is connected with a control panel through a wire, and the control panel comprises a plurality of displays and a plurality of buttons arranged below the displays.
Preferably, the other end of the furnace body is provided with a discharge port, a steam pipe is arranged below the discharge port, the steam pipe is an H-shaped steam pipe, the steam pipe comprises a gas pipe and first spray heads arranged at two ends of the gas pipe, and the third spray head is communicated with the gas pipe.
Preferably, the stove rack comprises a plurality of first support frames, a plurality of second support frames are connected to the lower portion of each first support frame through a plurality of third support frames, air holes are formed in the first support frames and the second support frames, and the first support frames and the second support frames are installed in a vertically staggered mode.
Preferably, the top of furnace body parcel has first heat preservation cotton, the bottom parcel of furnace body has the second heat preservation cotton.
Preferably, 10 temperature zones are arranged in the furnace pipe, the temperature of the upper zone is 600-1200 ℃, the temperature of the upper second zone is 632-1139 ℃, the temperature of the upper third zone is 636-1142 ℃, the temperature of the upper fourth zone is 636-1142 ℃, the temperature of the upper fifth zone is 640-1146 ℃, the temperature of the lower zone is 619-1130 ℃, the temperature of the lower second zone is 610-1128 ℃, the temperature of the lower second zone is 618-1130 ℃, the temperature of the lower third zone is 630-1145 ℃, the temperature of the lower fourth zone is 600-1130 ℃, and the temperature of the lower fifth zone is 630-1131 ℃.
Preferably, the bottom of the tar waste gas conveying pipe is provided with a tar tank for collecting tar.
Preferably, a plurality of temperature sensors are arranged inside the furnace pipe.
The control panel is used for receiving detection signals of the temperature sensor and the air pressure detector and controlling the electric furnace wire;
the steam pipe is used for spraying two or three of water vapor, nitrogen or water drops;
the draught fan is used for pumping away waste gas and tar inside the furnace pipe.
The invention has the beneficial technical effects that: according to the activated carbon fiber high-temperature carbonization furnace and the control system thereof, the steam pipe and the third spray head are arranged, the steam pipe can isolate oxygen from the discharge hole, and the carbon fiber felt is prevented from being natural due to the oxygen; meanwhile, the third spray head is arranged to spray water drops and nitrogen on the surface of the carbon fiber to ensure that the inner part of the furnace is in a vacuum state, so that the quality of the carbon fiber is prevented from being influenced; be equipped with the electric stove silk and evenly arrange and can guarantee that furnace inside is heated evenly and carbon fiber carbonization is even on the base, and then guarantee the quality of carbon fiber.
Drawings
FIG. 1 is a schematic sectional view showing the overall structure of a preferred embodiment of an activated carbon fiber high temperature carbonization furnace and a control system thereof according to the present invention;
FIG. 2 is a schematic view showing the overall structure of a preferred embodiment of the activated carbon fiber high-temperature carbonization furnace and the control system thereof according to the present invention;
FIG. 3 is a schematic view showing the overall structure of a preferred embodiment of the activated carbon fiber high-temperature carbonization furnace and the control system thereof according to the present invention;
FIG. 4 is a schematic structural view of a furnace body of a preferred embodiment of the activated carbon fiber high-temperature carbonization furnace and a control system thereof according to the present invention;
FIG. 5 is a schematic structural view of a circulating induced draft fan box of a preferred embodiment of the activated carbon fiber high temperature carbonization furnace and the control system thereof according to the present invention;
FIG. 6 is a schematic view of a preferred embodiment of a high temperature carbonization furnace for activated carbon fiber and a control system thereof according to the present invention;
fig. 7 is a left side view of a preferred embodiment of a activated carbon fiber high temperature carbonization furnace and a control system thereof according to the present invention.
In the figure: 1-base, 2-control panel, 21-display, 22-button, 3-furnace body, 31-furnace pipe, 4-insulating layer, 41-first insulating cotton, 42-second insulating cotton, 5-discharge hole, 6-steam pipe, 61-first spray head, 62-gas pipe, 63-third spray head, 7-lead, 8-insulating brick, 9-electric furnace wire, 10-furnace frame, 101-first support frame, 102-second support frame, 103-third support frame, 104-air hole, 11-temperature sensor, 12-support plate, 13-positioning plate, 14-air pressure detector, 15-tar waste gas conveying pipe, 16-tar box, 17-circulation induced fan box and 18-induced fan, 19-waterproof breathable layer.
Detailed Description
In order to make the technical solutions of the present invention more clear and definite for those skilled in the art, the present invention is further described in detail below with reference to the examples and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1-7, the activated carbon fiber high-temperature carbonization furnace provided in this embodiment includes a base 1 and a furnace body 3 installed on the top of the base 1, a furnace chamber 31 is installed inside the furnace body 3, a furnace frame 10 is installed inside the furnace chamber 31, a plurality of support plates 12 are installed below the furnace body 3, a plurality of heat insulation bricks 8 slidably connected to the support plates 12 are installed on the top of the base 1, positioning plates 13 for positioning the support plates 12 are installed on both ends of the heat insulation bricks 8, an electric furnace wire 9 is installed inside the heat insulation bricks 8, third nozzles 63 are installed above and below the furnace frame 10, an air pressure detector 14 is installed inside the furnace chamber 31, a circulating induced-draft fan box 17 is connected to the top of the furnace body 3 through a tar exhaust gas delivery pipe 15, an induced draft fan 18 is installed inside the circulating induced-draft fan box 17, and a waterproof and air-permeable layer 19 is installed on, the air delivery pipe is arranged above the induced draft fan 18. The steam pipe 6 and the third spray head 63 are arranged, the steam pipe 6 can isolate oxygen from the discharge port 5, and the carbon fiber felt is prevented from being natural due to the fact that oxygen enters; meanwhile, the third spray head 63 is arranged to spray water drops and nitrogen on the surface of the carbon fiber to ensure that the interior of the furnace 3 is in a vacuum state, so that the quality of the carbon fiber is prevented from being influenced; be equipped with electric stove silk 9 and evenly arrange and can guarantee that furnace inside is heated evenly and carbon fiber carbonization is even on base 1, and then guarantee the quality of carbon fiber.
In the present embodiment, as shown in fig. 1, one end of the furnace body 3 is connected to a control panel 2 through a wire 7, and the control panel 2 includes a plurality of displays 21 and a plurality of buttons 22 installed below the displays 21. The other end of the furnace body 3 is provided with a discharge port 5, a steam pipe 6 is arranged below the discharge port 5, the steam pipe 6 is an H-shaped steam pipe, the steam pipe 6 comprises a gas conveying pipe 62 and first spray heads 61 arranged at two ends of the gas conveying pipe 62, and the third spray head 63 is communicated with the gas conveying pipe 62. The furnace frame 10 comprises a plurality of first supporting frames 101, a plurality of second supporting frames 102 are connected below the first supporting frames 101 through a plurality of third supporting frames 103, air holes 104 are formed in the first supporting frames 101 and the second supporting frames 102, and the first supporting frames 101 and the second supporting frames 102 are installed in a vertically staggered mode. The display 21 that this active carbon fiber high temperature carbonization stove and control system were equipped with contains 10, corresponds the temperature of detecting 10 warm areas. The steam pipe 6 that this active carbon fiber high temperature carbonization stove and control system were equipped with can carry out oxygen-insulated processing to discharge gate 5 for H form steam pipe, prevents that oxygen from getting into furnace body 3 inside and causing the active carbon fiber burning. This active carbon fiber high temperature carbonization furnace and control system thereof is equipped with the furnace frame 10 and sets up to upper and lower two-layer structure' S first support frame 101 and second support frame 102, can satisfy that active carbon fiber carries out S type route operation in furnace body 3 inside, is convenient for prolong the time of carbon fiber operation in furnace body 3, and furnace frame 10 and steam pipe 6 UNICOM are convenient for bleeder vent 104 release steam.
In this embodiment, as shown in fig. 1, the top of the furnace body 3 is wrapped with first heat insulation cotton 41, and the bottom of the furnace body 3 is wrapped with second heat insulation cotton 42. The furnace pipe 31 is internally provided with 10 temperature zones, the temperature of the upper zone is 600-1200 ℃, the temperature of the upper two zones is 632-1139 ℃, the temperature of the upper three zones is 636-1142 ℃, the temperature of the upper four zones is 636-1142 ℃, the temperature of the upper five zones is 640-1146 ℃, the temperature of the lower zone is 619-1130 ℃, the temperature of the lower two zones is 610-1128 ℃, the temperature of the lower two zones is 618-1130 ℃, the temperature of the lower three zones is 630-1145 ℃, the temperature of the lower four zones is 600-1130 ℃, and the temperature of the lower five zones is 630-1131 ℃. The bottom of the tar exhaust gas duct 15 is provided with a tar tank 16 for collecting tar. A plurality of temperature sensors 11 are provided inside the furnace pipe 31. The activated carbon fiber high-temperature carbonization furnace and the control system thereof are provided with a plurality of temperature zones, so that the temperature in the furnace body 3 can be accurately controlled, and the activated carbon fiber is prevented from being heated unevenly and affecting the product quality.
In the embodiment, as shown in fig. 1, a high temperature carbonization furnace of activated carbon fiber and a control system thereof, a control panel 2 is used for receiving detection signals of a temperature sensor 11 and a gas pressure detector 14 and controlling an electric furnace wire 9; the steam pipe 6 is used for spraying two or three of water vapor, nitrogen or water drops; the induced draft fan 18 is used for pumping away the waste gas and tar inside the furnace pipe 31.
In this embodiment, as shown in fig. 1 to 7, the working process of the activated carbon fiber high-temperature carbonization furnace and the control system thereof provided in this embodiment is as follows:
step 1: the power supply is switched on, the control panel 2 starts the electric furnace wire 9 to heat the furnace body 3, and simultaneously the control panel 6 starts to spray steam;
step 2: when the temperature sensor 11 detects the temperature of ten temperature zones of the furnace body 3 and transmits the detection information to the control panel 2, the control panel 2 displays the detection information of the temperature sensor 11 on the display 21 for being convenient to watch;
and step 3: the air pressure detector 14 transmits air pressure detection information to the control panel 2, and when the air pressure data and the temperature detection data are detected to reach the standard of active carbon fiber production, the carbon fiber felt is placed in the furnace body 3 for carbonization.
In summary, in this embodiment, according to the activated carbon fiber high-temperature carbonization furnace and the control system thereof of this embodiment, the activated carbon fiber high-temperature carbonization furnace and the control system thereof provided by this embodiment are provided with the steam pipe 6 and the third nozzle 63, the steam pipe 6 can isolate oxygen from the discharge port 5, and prevent oxygen from entering the carbon fiber felt to cause the carbon fiber felt to be natural; meanwhile, the third spray head 63 is arranged to spray water drops and nitrogen on the surface of the carbon fiber to ensure that the interior of the furnace 3 is in a vacuum state, so that the quality of the carbon fiber is prevented from being influenced; be equipped with electric stove silk 9 and evenly arrange and can guarantee that furnace inside is heated evenly and carbon fiber carbonization is even on base 1, and then guarantee the quality of carbon fiber. The display 21 that this active carbon fiber high temperature carbonization stove and control system were equipped with contains 10, corresponds the temperature of detecting 10 warm areas. The steam pipe 6 that this active carbon fiber high temperature carbonization stove and control system were equipped with can carry out oxygen-insulated processing to discharge gate 5 for H form steam pipe, prevents that oxygen from getting into furnace body 3 inside and causing the active carbon fiber burning. This active carbon fiber high temperature carbonization furnace and control system thereof is equipped with the furnace frame 10 and sets up to upper and lower two-layer structure' S first support frame 101 and second support frame 102, can satisfy that active carbon fiber carries out S type route operation in furnace body 3 inside, is convenient for prolong the time of carbon fiber operation in furnace body 3, and furnace frame 10 and steam pipe 6 UNICOM are convenient for bleeder vent 104 release steam. The activated carbon fiber high-temperature carbonization furnace and the control system thereof are provided with a plurality of temperature zones, so that the temperature in the furnace body 3 can be accurately controlled, and the activated carbon fiber is prevented from being heated unevenly and affecting the product quality.
The above description is only for the purpose of illustrating the present invention and is not intended to limit the scope of the present invention, and any person skilled in the art can substitute or change the technical solution of the present invention and its conception within the scope of the present invention.
Claims (9)
1. The utility model provides an active carbon fiber high temperature carbonization stove, its characterized in that, include base (1) and install furnace body (3) at base (1) top, the inside of furnace body (3) is equipped with stove courage (31), the internally mounted of stove courage (31) has furnace frame (10), the below of furnace body (3) is equipped with a plurality of backup pads (12), the top of base (1) be equipped with a plurality of with backup pad (12) sliding connection's insulating brick (8), the both ends of insulating brick (8) all install be used for right locating plate (13) of backup pad (12) location, the inside of insulating brick (8) is equipped with electric stove silk (9), the top and the below of furnace frame (10) all are equipped with third shower nozzle (63), the inside of furnace courage (31) is equipped with atmospheric pressure detector (14), the top of furnace body (3) is connected with circulation fan box (17) through tar waste gas conveyer pipe (15), the inside of circulation induced fan case (17) is equipped with draught fan (18), draught fan (18) are close to one side of tar waste gas conveyer pipe (15) is equipped with waterproof ventilative layer (19), the top of draught fan (18) is equipped with the gas-supply pipe.
2. The activated carbon fiber high-temperature carbonization furnace according to claim 1, wherein one end of the furnace body (3) is connected with a control panel (2) through a wire (7), and the control panel (2) comprises a plurality of displays (21) and a plurality of buttons (22) arranged below the displays (21).
3. The activated carbon fiber high-temperature carbonization furnace as claimed in claim 1, wherein the other end of the furnace body (3) is provided with a discharge port (5), a steam pipe (6) is arranged below the discharge port (5), the steam pipe (6) is an H-shaped steam pipe, the steam pipe (6) comprises a gas pipe (62) and first nozzles (61) arranged at two ends of the gas pipe (62), and the third nozzle (63) is communicated with the gas pipe (62).
4. The activated carbon fiber high-temperature carbonization furnace according to claim 1, wherein the furnace frame (10) comprises a plurality of first support frames (101), a plurality of second support frames (102) are connected below the first support frames (101) through a plurality of third support frames (103), the first support frames (101) and the second support frames (102) are respectively provided with air holes (104), and the first support frames (101) and the second support frames (102) are installed in a vertically staggered manner.
5. The activated carbon fiber high-temperature carbonization furnace according to claim 1, wherein the top of the furnace body (3) is wrapped with a first heat insulation cotton (41), and the bottom of the furnace body (3) is wrapped with a second heat insulation cotton (42).
6. The activated carbon fiber high-temperature carbonization furnace according to claim 1, wherein the furnace liner (31) has 10 temperature zones, the temperature of the upper zone is 600-1200 ℃, the temperature of the upper second zone is 632-1139 ℃, the temperature of the upper three zone is 636-1142 ℃, the temperature of the upper four zone is 636-1142 ℃, the temperature of the upper five zone is 640-1146 ℃, the temperature of the lower zone is 619-1130 ℃, the temperature of the lower second zone is 610-1128 ℃, the temperature of the lower second zone is 618-1130 ℃, the temperature of the lower three zone is 630-1145 ℃, the temperature of the lower four zone is 600-1130 ℃, and the temperature of the lower five zone is 630-1131 ℃.
7. The activated carbon fiber high-temperature carbonization furnace according to claim 1, wherein the bottom of the tar exhaust gas duct (15) is provided with a tar tank (16) for collecting tar.
8. The activated carbon fiber high-temperature carbonization furnace according to claim 1, wherein the furnace pipe (31) is internally provided with a plurality of temperature sensors (11).
9. The activated carbon fiber high-temperature carbonization furnace and the control system thereof are characterized in that the control panel (2) is used for receiving detection signals of the temperature sensor (11) and the air pressure detector (14) and controlling the electric furnace wire (9);
the steam pipe (6) is used for spraying two or three of water vapor, nitrogen or water drops;
the induced draft fan (18) is used for pumping away waste gas and tar inside the furnace pipe (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911376650.5A CN111174598A (en) | 2019-12-27 | 2019-12-27 | Active carbon fiber high-temperature carbonization furnace and control system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911376650.5A CN111174598A (en) | 2019-12-27 | 2019-12-27 | Active carbon fiber high-temperature carbonization furnace and control system thereof |
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| CN111174598A true CN111174598A (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911376650.5A Withdrawn CN111174598A (en) | 2019-12-27 | 2019-12-27 | Active carbon fiber high-temperature carbonization furnace and control system thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111979608A (en) * | 2020-08-10 | 2020-11-24 | 安徽天富环保科技材料有限公司 | Low-temperature carbonization furnace for manufacturing active carbon fibers |
| CN113430755A (en) * | 2021-06-01 | 2021-09-24 | 宿州朗泰新材料有限公司 | Preparation furnace body based on environment-friendly activated carbon fiber thick felt |
-
2019
- 2019-12-27 CN CN201911376650.5A patent/CN111174598A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111979608A (en) * | 2020-08-10 | 2020-11-24 | 安徽天富环保科技材料有限公司 | Low-temperature carbonization furnace for manufacturing active carbon fibers |
| CN113430755A (en) * | 2021-06-01 | 2021-09-24 | 宿州朗泰新材料有限公司 | Preparation furnace body based on environment-friendly activated carbon fiber thick felt |
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Application publication date: 20200519 |