CN206143363U - A low temperature carbonization device for carbon fiber production - Google Patents
A low temperature carbonization device for carbon fiber production Download PDFInfo
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- CN206143363U CN206143363U CN201621151636.7U CN201621151636U CN206143363U CN 206143363 U CN206143363 U CN 206143363U CN 201621151636 U CN201621151636 U CN 201621151636U CN 206143363 U CN206143363 U CN 206143363U
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- temperature
- heater
- heating region
- low
- sealing device
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Abstract
The utility model discloses a low temperature carbonization device for carbon fiber production belongs to carbon fiber production technical field. This low temperature carbonization device, including the furnace body, connect in the sealing device at furnace body both ends, with the exhaust system and the protection gas feeding device of the furnace intercommunication of furnace body. In addition, include still that the silk bundle exit end at the furnace body passes through the cooling chamber that non -contact sealing device connects to and the temperature detection control apparatus that is connected of the temperature sensor through temperature measurement circuit and furnace body. The utility model provides a low temperature carbonization device has set up the cooling chamber at the furnace body exit end, can effectively reduce the temperature that the silk bundle involved the furnace body, prevents the oxygen oxidation in the high temperature silk bundle of carbonization is by the air, has improved the quality of carbon fiber. And simultaneously, the utility model discloses at furnace body internally mounted temperature sensor can monitor and control the temperature in the furnace body in real time.
Description
Technical field
The utility model is related to a kind of low-temperature carbonization device for carbon fiber production, belongs to carbon fiber production technology neck
Domain.
Background technology
In the production process of carbon fiber, precursor needs to be pre-oxidized and be carbonized etc. process so that its molecular structure occurs
Change forms carbon fiber structural.Therefore, pre-oxidation and carbonization technique are the critical process links in carbon fiber production process.Its
In, the carbonization technique of carbon fiber is divided into low-temperature carbonization and high temperature cabonization again.Need to use different carbon in different carbonation stages
Change equipment is carried out.Wherein, low-temperature carbonization often progressively segmentation heating, needs by the use of inert gas as shielding gas during carbonization.
The materials such as waste gas and tar can be produced in carbonisation, needs to exclude, to prevent from polluting carbon fiber.Meanwhile, by
In carbon fiber in carbonizing plant through the carbonization of higher temperature, when the spinning through carbonization from carbonizing plant it is stretched come when,
If temperature is not dropped to carried enough very easily by the dioxygen oxidation in air, so as to cause the Quality Down of carbon fiber.It is existing
Lack the cooling link of carbonization spinning outlet section in some low-temperature carbonization equipment, cause the second-rate of spinning.
Utility model content
To solve above-mentioned technical problem, the utility model provides a kind of low-temperature carbonization device for carbon fiber production,
The technical scheme taken is as follows：
A kind of low-temperature carbonization device for carbon fiber production, including body of heater 1, it is connected to the sealing device at the two ends of body of heater 1
7 gas extraction system 4 connected with the burner hearth 11 of body of heater 1 and shielding gas feed system 5.Meanwhile, the tow for being additionally included in body of heater 1 goes out
The cooling chamber 2 that mouth end passes through the connection of non-contacting seal device 7, and pass through the temperature biography of temperature sensing circuit 31 and body of heater 1
The temp detecting controller 3 of the connection of sensor 16.
Preferably, the temp detecting controller 3 is entered by temperature-control circuit 32 with the heater 13 in body of heater 1
Trip temperature computer heating control is chain.
Preferably, body of heater 1 includes burner hearth 11, is wrapped in the carborundum bushing 12 in the outside of burner hearth 11, is fixed on carborundum lining
Heater 13 and temperature sensor 16 in the middle of set 12, is fixed on the heat-insulation layer 14 in the outside of carborundum bushing 12 and is fixed on
Outer rigid housing body 15 outside heat-insulation layer 14；Waste gas outlet 17 is provided with the middle of burner hearth 11.
It is highly preferred that burner hearth 11 be divided into from the import of tow 8 to outlet the first heating region, the second heating region, the 3rd plus
Warm area, equalized temperature area, the 4th heating region, the 5th heating region and the 6th heating region；Wherein, the first heating region temperature is less than second
Heating region, the second heating region is less than the 3rd heating region；6th heating region temperature is less than the 5th heating region, and the 5th heating region temperature is low
In the 4th heating region.
It is highly preferred that waste gas outlet 17 is located at the sidepiece in equalized temperature area or bottom.
Preferably, gas extraction system 4 includes the wind pipe 41 connected with waste gas outlet 17, with wind pipe 41 and some useless
The main exhaust duct 42 of gas collecting hood connection, the exhaust outlet 45 connected with main exhaust duct 42.
Preferably, sealing device 7 includes the first sealing device 71 being tightly connected with the tow entrance point of body of heater 1, connection
The tow port of export of body of heater 1 and the second sealing device 72 of the import of cooling chamber 2, and it is connected to the 3rd sealing of the outlet of cooling chamber 2
Device 73.
It is highly preferred that shielding gas feed system 5 is supplied by being provided with the pipeline communication shielding gas of flowmeter and control valve 51
Sealing device 7 and/or shielding gas heater 6, and be controlled with control system chain.
It is highly preferred that shielding gas feed system 5 is by low-temperature protection feed channel and the second sealing device 72 and the 3rd sealing
Device 73 connects；Be connected with shielding gas heater 6 by pipeline, shielding gas heater 6 by high temperature protection feed channel with
First sealing device 71 connects.
Preferably, cooling chamber 2 includes the water inlet 22 being connected with cooling water supply system and delivery port 21, and positioned at silk
The interlayer 23 that beam introduction pipe outside connects with water inlet 22 and delivery port 21.
The beneficial effect that the utility model is obtained：
Low-temperature carbonization device provided by the utility model, in the body of heater port of export cooling chamber is provided with, and can effectively be reduced
Tow involves the temperature of body of heater, prevents the high temperature tow through being carbonized by the dioxygen oxidation in air, improves the matter of carbon fiber
Amount.Meanwhile, the utility model is mounted with that temperature sensor can be monitored and control to the temperature in body of heater in real time in furnace interior
System.
Description of the drawings
Fig. 1 is the positive structure diagram (oven body part section view) of high temperature cabonization device of the present utility model.
In figure：1, body of heater；2, cooling chamber；3, temp detecting controller；4, gas extraction system；5, shielding gas feed system；
6, shielding gas heater；7, sealing device；8, tow；11, burner hearth；12, carborundum bushing；13, heater；14, insulation
Layer；15, shell body；16, temperature sensor；17, waste gas outlet；21, delivery port；22, water inlet；23, interlayer；31, temperature inspection
Slowdown monitoring circuit；32, temperature-control circuit；41, wind pipe；42, main exhaust duct；43, the first gas sampling cover；44, the second waste gas
Collecting hood；45, exhaust outlet；51, control valve；71, first sealing device；72, the second sealing device；73, third sealing device.
Specific embodiment
The utility model is described in further details below in conjunction with the accompanying drawings, but described further below is not intended as to this practicality
New restriction.
Fig. 1 is a kind of positive structure diagram of preferred version high temperature carbonizing plant of the utility model, wherein body of heater portion
Divide section view.From fig. 1, it can be seen that the low temperature carbonization furnace is by body of heater 1, cooling chamber 2, temp detecting controller 3, gas extraction system 4, protect
Shield gas feed system 5, shielding gas heater 6 and sealing device 7 are constituted.
Wherein, body of heater 1 is by burner hearth 11 at its center, the semi-circular carborundum bushing pipe being wrapped on the outside of the body of burner hearth 11
12, the heater 13 and temperature sensor 16 inside carborundum bushing pipe 12.It is in the outer wrap of carborundum bushing pipe 12
Heat-insulation layer 14, in the external stability of heat-insulation layer 14 installation is outer rigid housing body 15.It is provided with the middle of burner hearth 11 and connects outside body of heater 1
Logical waste gas outlet 17, in order to the waste gas produced in carbonisation is discharged to outside body of heater 1.The inside of body of heater 1 is provided with 6 and adds
Warm area, be followed successively by from the entrance of tow 8 to outlet the first heating region, the second heating region, the 3rd heating region, the 4th heating region, the 5th
Heating region and the 6th heating region.Wherein, still there is an equalized temperature area between the 3rd heating region and the 4th heating region.Together
When, there is some difference for the temperature of each heating region, wherein the temperature of the first heating region is less than the second heating region, the second heating region
Temperature is less than the 3rd heating region；And the temperature of the 6th heating region is less than the 5th heating region, the temperature of the 5th heating region is less than the 4th
The temperature of heating region.So form tow and the gradient temperature change being gradually lowered again is gradually risen into rear temperature.In the 3rd He
The sidepiece in the equalized temperature area between the 4th heating region or bottom are provided with waste gas outlet 17, to prevent condensate exhaust gases from forming tar,
Or the tar of discharge pipe flows back to drop on fibre bundle.
Temp detecting controller 3 is externally provided with body of heater 1, temp detecting controller 3 has the He of temperature sensing circuit 31
Temperature-control circuit 32, it passes through temperature sensing circuit 31 and is connected with the temperature sensor 16 inside body of heater 1, to realize to body of heater
The real-time detection of interior warm temperature.Meanwhile, it is connected with the heater 13 in body of heater 1 by temperature-control circuit 31, to realize
Control to the heating-up temperature of different heating regions in body of heater 1.
First sealing device 71 is fixedly connected with the entrance point of tow 8 of body of heater 1, is fixed in the port of export of tow 8 of body of heater 1
A cooling chamber 2 being fixedly connected by the second sealing device 72 is connected with, in the other end of cooling chamber 2 the 3rd is fixedly connected with
Sealing device 73.Cooling chamber 2 is externally provided with interlayer 23 in tow fairlead, the top of interlayer 23 be by a delivery port 22, under
Portion is provided with a water inlet 21.Water inlet 21 and delivery port 22 and cooling water supply system connectivity, by the way of bottom in and top out
Cold water intaking is filled in interlayer 23, to cool down to tow.
Gas extraction system 4 includes the wind pipe 41 connected with waste gas outlet 17, with wind pipe 41 and two gas samplings
The main exhaust duct 42 that cover (the first gas sampling cover 43 and the second gas sampling cover 44) is connected, the exhaust connected with main exhaust duct 42
Mouth 45.Wherein, main exhaust duct 42 be horizontally disposed pipeline, bottom by wind pipe 41 discharge burner hearth 11 in waste gas, two
End connect with the first gas sampling cover 43 and the second gas sampling cover 44 by bend pipe, to collect process in spilling lack
Amount waste gas and inertia shielding gas.The top of main exhaust duct 42 passes through pipeline communication exhaust outlet 45, so that waste gas is discharged away.
Shielding gas feed system 5 is by being provided with flowmeter and controlling the low-temperature protection feed channel and the second sealing device of valve 51
72 connect with third sealing device 73, while being connected with shielding gas heater 6 by pipeline.6 couples of guarantors of shielding gas heater
Shield gas is heated to meet the requirement into burner hearth 11.High temperature protection gas through heating is passing through high temperature protection feed channel Jing
First sealing device 71 is entered in burner hearth 11, to protect to the tow 8 during low-temperature carbonization.Meanwhile, shielding gas
Heater 6 also is provided with connecting the steam line of the two ends port of burner hearth 11, is adequately protected with the oxidizing process to tow 8.
Shielding gas feed system 5, shielding gas heater 6 and sealing device 7 can be with the computer outside Schwelvorrichtung or controls
System processed is controlled chain.
In addition to described above, the actual demand that those skilled in the art can be in production process, to all parts
Material and shape and size carry out conventional selection.For example, from nitrogen as shielding gas, from aluminium silicate wool as heat-insulation layer
Insulation material, from carbon steel as body of heater outer rigid housing body, from nickel filament as furnace interior heater etc..
Although the utility model is disclosed as above with preferred embodiment, it is not limited to the utility model, appoints
What person skilled in the art, in without departing from spirit and scope of the present utility model, can do various changes and modification, therefore
Protection domain of the present utility model should be by being defined that claims are defined.
Claims (10)
1. a kind of low-temperature carbonization device for carbon fiber production, including body of heater (1), the sealing dress for being connected to body of heater (1) two ends
Put gas extraction system (4) and shielding gas feed system (5) that (7) connect with the burner hearth (11) of body of heater (1), it is characterised in that also wrap
Cooling chamber (2) of the tow port of export in body of heater (1) by non-contacting seal device (7) connection is included, and is examined by temperature
The temp detecting controller (3) that slowdown monitoring circuit (31) is connected with the temperature sensor (16) of body of heater (1).
2. low-temperature carbonization device according to claim 1, it is characterised in that the temp detecting controller (3) passes through
It is chain that heater (13) in temperature-control circuit (32) and body of heater (1) enters trip temperature computer heating control.
3. low-temperature carbonization device according to claim 1, it is characterised in that body of heater (1) includes burner hearth (11), is wrapped in stove
Carborundum bushing (12) on the outside of thorax (11), the heater (13) and temperature sensor being fixed in the middle of carborundum bushing (12)
(16) heat-insulation layer (14) that, is fixed on the outside of carborundum bushing (12) and it is fixed on heat-insulation layer (14) outer rigid housing body outward
(15)；Waste gas outlet (17) is provided with the middle of burner hearth (11).
4. low-temperature carbonization device according to claim 3, it is characterised in that burner hearth (11) is from tow (8) import to outlet
It is divided into the first heating region, the second heating region, the 3rd heating region, equalized temperature area, the 4th heating region, the 5th heating region and
Six heating regions；Wherein, the first heating region temperature is less than the second heating region, and the second heating region is less than the 3rd heating region；6th heating
Area's temperature is less than the 5th heating region, and the 5th heating region temperature is less than the 4th heating region.
5. low-temperature carbonization device according to claim 4, it is characterised in that waste gas outlet (17) is located at equalized temperature area
Sidepiece or bottom.
6. low-temperature carbonization device according to claim 1, it is characterised in that gas extraction system (4) includes and waste gas outlet
(17) wind pipe (41) of connection, the main exhaust duct (42) connected with wind pipe (41) and some gas sampling covers, with master
The exhaust outlet (45) of exhaust duct (42) connection.
7. low-temperature carbonization device according to claim 1, it is characterised in that sealing device (7) includes the silk with body of heater (1)
The first sealing device (71) that beam entrance point is tightly connected, connects the second of body of heater (1) the tow port of export and cooling chamber (2) import
Sealing device (72), and it is connected to the third sealing device (73) of cooling chamber (2) outlet.
8. low-temperature carbonization device according to claim 7, it is characterised in that shielding gas feed system (5) is by being provided with stream
Gauge and the pipeline communication shielding gas of control valve (51) supply sealing device (7) and/or shielding gas heater (6).
9. low-temperature carbonization device according to claim 8, it is characterised in that shielding gas feed system (5) is protected by low temperature
Shield feed channel is connected with the second sealing device (72) and third sealing device (73)；By pipeline and shielding gas heater (6)
Connection, shielding gas heater (6) is connected by high temperature protection feed channel with first sealing device (71).
10. low-temperature carbonization device according to claim 1, it is characterised in that cooling chamber (2) includes and cooling water supply system
The water inlet (22) and delivery port (21) of system connection, and positioned at tow introduction pipe outside and water inlet (22) and delivery port
(21) interlayer (23) of connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621151636.7U CN206143363U (en) | 2016-10-31 | 2016-10-31 | A low temperature carbonization device for carbon fiber production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621151636.7U CN206143363U (en) | 2016-10-31 | 2016-10-31 | A low temperature carbonization device for carbon fiber production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206143363U true CN206143363U (en) | 2017-05-03 |
Family
ID=58622156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621151636.7U Withdrawn - After Issue CN206143363U (en) | 2016-10-31 | 2016-10-31 | A low temperature carbonization device for carbon fiber production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206143363U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106637513A (en) * | 2016-10-31 | 2017-05-10 | 哈尔滨天顺化工科技开发有限公司 | Low-temperature carbonizing device for producing carbon fibers |
| CN108362000A (en) * | 2018-02-08 | 2018-08-03 | 南京工程学院 | A kind of device and method recycling carbon fiber using solar energy highly effective |
-
2016
- 2016-10-31 CN CN201621151636.7U patent/CN206143363U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106637513A (en) * | 2016-10-31 | 2017-05-10 | 哈尔滨天顺化工科技开发有限公司 | Low-temperature carbonizing device for producing carbon fibers |
| CN106637513B (en) * | 2016-10-31 | 2019-10-11 | 哈尔滨天顺化工科技开发有限公司 | A kind of low-temperature carbonization device for carbon fiber production |
| CN108362000A (en) * | 2018-02-08 | 2018-08-03 | 南京工程学院 | A kind of device and method recycling carbon fiber using solar energy highly effective |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170503 Effective date of abandoning: 20191011 |