CN206019284U - A kind of carbon carbon composite high temperature continuous furnace - Google Patents
A kind of carbon carbon composite high temperature continuous furnace Download PDFInfo
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- CN206019284U CN206019284U CN201621060042.5U CN201621060042U CN206019284U CN 206019284 U CN206019284 U CN 206019284U CN 201621060042 U CN201621060042 U CN 201621060042U CN 206019284 U CN206019284 U CN 206019284U
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Abstract
The utility model discloses a kind of carbon carbon composite high temperature continuous furnace, with protective atmosphere annular seal space, the high temperature continuous furnace of the full carbon carbon composite structure of multilamellar, the heating furnace is made up of protective atmosphere annular seal space and heating furnace body two parts, wherein heating furnace body includes Muffle structure, heating, flame retardant coating, heat-insulation layer, five main parts of furnace shell, the key component of heating furnace body is prepared by carbon carbon composite or carbon materials entirely to ensure temperature tolerance and the stability of whole firing equipment, the maximum heating temperature of the high temperature continuous furnace can reach 2800 DEG C, the continuous system that can achieve high-purity phosphorus content carbon preparation is standby.
Description
Technical field
This utility model is related to a kind of heating furnace, and in particular to a kind of carbon carbon composite high temperature continuous furnace.
Background technology
Furnace apparatus are that the main production that various metals, pottery and carbon sample and work pieces process are processed and experiment set
Standby, it is mainly used in the every field such as chemical industry, metallurgy, oil, machinery, electronics, materials synthesis.In high-purity refractory carbide
Or in the course of processing of high purity carbon cellulose product, the requirement to hot environment in furnace chamber is particularly critical, this requires whole body of heater
There are preferable heat insulating ability and high temperature persistence, while the requirement of sealing is also extremely important, in the face of more than 2000 DEG C of high temperature work
It is required, the firing equipment of common metal material no matter equal Shortcomings in terms of sealing thermal insulation, heating and continuous property, and high-purity
The preparation of degree carbon or the processing of refractory carbide require more than 2000 DEG C of continuous high temperature heat treated, current heating again
Stove continuous high temperature heat treated difficult to realize more than 2000 DEG C.
Utility model content
The purpose of this utility model is to provide a kind of carbon carbon composite high temperature continuous furnace, and the highest of the heating furnace adds
Hot temperature can reach 2800 DEG C, and the continuous system that can achieve high purity carbon cellulose product is standby.
A kind of carbon carbon composite high temperature continuous furnace, including inert gas seal chamber and main body heating furnace body；Described
The two ends of main body heating furnace body are respectively provided with inert gas seal chamber；The main body heating furnace body arranges Muffle knot from inside to outside
Structure, heating, flame retardant coating, heat-insulation layer, furnace shell；The Muffle structure is to be prepared by the composite of carbon fiber reinforced carbon matrix body
The cavity for obtaining, body density is in 1.8-2.0g/cm3(the advantage of the body density：Compactness is high, and intensity is big)；It is preferred that：Rectangular cavity
Body.
Connect with the inert gas seal chamber inside the Muffle structural cavity body；Inside the Muffle structural cavity body directly
Access inert atmosphere pipeline, noble gases used are nitrogen, any one in argon, and its purity is more than 99.999%.
The inert gas seal chamber constitutes the stable circulation system for fully sealing with main body heating furnace, during realizing workpiece heat
Gas shield, while also ensure that the gas shield of the input and output material in serialization preparation such as high purity graphite sample product.
The carbon carbon composite heating of the Muffle structure outer wall arrangement cage circulus, the heating are adopted
With bar-shaped or flat banded structure (advantage：Radiant heating area is big) Muffle structure outer wall is closely looped around, it is looped around Muffle structure
The heating of outer wall is arranged composition cagelike structure successively along body of heater length direction, using simultaneously between the exit of heating
Connection form is connected into copper electrode；It is preferred that：Sandwich in the electrode, the electrode interlayer can be passed through cooling water to avoid heating process
Middle electrode temperature is too high to be caused to damage.
The Muffle structure, solid using the connection of carbon carbon composite supporter between heating, flame retardant coating, heat-insulation layer
Fixed, by graphite bolt connection, advantage：To ensure overall stability and sealing.
The flame retardant coating is prepared using the enhanced carbon-based composite material of carbon fibre felt or chopped carbon fiber, the carbon
The body density of fiber felt is in 0.1-0.3g/cm3(advantage：Density is low, and porosity is big, high insulating effect), preferably：The chopped carbon
The type of fiber is T300 or T700, and chopped length is 1cm-5cm, and the carbon base body is bitumencarb or urea formaldehyde carbon.Flame retardant coating
Thickness be arbitrarily adjusted flexibly according to body of heater dimensions.
The heat-insulation layer is standby using soft carbon fibre felt or hard carbon fibre felt, the soft carbon fibre felt
Body density is 0.05-0.3g/cm3, the hard carbon fibre felt is on the basis of the soft carbon fibre felt using compound phenol
Prepared by urea formaldehyde carbonization, the composite phenolic resin content is the 5-20% of the hard carbon fibre felt quality.Heat-insulation layer
Thickness is arbitrarily adjusted flexibly according to body of heater dimensions.
The furnace shell is prepared using carbon fibre-reinforced graphite composite, carbon in the carbon fibre-reinforced graphite composite
The content of fiber is 50-70%, and furnace shell adopts embedment cooling water pipeline in hollow sandwich structure, sandwich, to ensure furnace wall
Relatively low thermal loss and safety in operation.
The input and output material of the main body heating furnace adopts mechanical push-pull device at fixed to realize, preferably：Armstrong's patent push-pull device at fixed, can spirit
Live and control workpiece input and output material to ensure continuous prodution needs.
It is preferred that：The inert gas seal cabin, width is 10cm-400cm, is highly 10-50cm, and effective length is 0.5-
3 meters, specific size can flexible design according to the gas seal requirement of high-temperature heater.
It is preferred that：The inert gas seal cabin, the noble gases that is filled are nitrogen or argon, and its purity is 99.999%
More than.
It is preferred that：The effective heating area width of the main body heating furnace is 10cm-400cm, is highly 10-50cm, effectively long
Spend for 1-20 rice, specific size can flexible design according to the requirement of heating product.
It is preferred that：Noble gases access pipeline and carry automatic switching control equipment, according to the temperature requirement of heated partses, at 1800 DEG C
Hereinafter protected using nitrogen, argon protected mode is automatically switched under 1800 DEG C of -2800 DEG C of hot environments.
It is preferred that：The mechanical push-pull device at fixed includes the guide rail being arranged in main body heating furnace and drive link and push-and-pull bullet
Spring, the push-and-pull spring provide power to the device, are furnished with n pallet to contain processed work on the drive link and guide rail
Part, when heating finishes discharging, push-and-pull spring promotes drive link to advance along guide rail, and the pallet in burner hearth is ejected from side,
In approaching side additional treating material is installed simultaneously.
The beneficial effects of the utility model：
(1) heating furnace of the present utility model all adopts carbon from sealing structure, fireproof construction, insulation construction and furnace shell etc.
Prepared by plain composite, so as to fundamentally achieve the high-temperature stability of whole equipment.Whole high temperature continuous graphite heating furnace is adopted
With full carbon composite structure composition, the high-temperature stability and continuous high temperature heating that whole heating process has been effectively ensured will
Ask.
(2) arranged using the heating of cage cyclic structural format, make Muffle structure periphery realize uniform heating, effectively
Ensure that the low temperature change in the concordance and whole continuous burner hearth of heating, heating are drawn using copper electrode, while
Cooling water sandwich, the electrode safety of effective protection long-time laser heating process is provided with inside copper electrode.
(3) the flexible switching of two sets of protective atmospheres of high/low temperature is effectively ensured using inert atmosphere protection automatic switching control equipment,
The problem of oxidation that product occurs in heating process is prevented effectively from because air-tightness is not enough.
(4) using two ends inert gas seal cabin structure, the workpiece gas in heating furnace body during input and output material is effectively ensured
Atmosphere is protected.
Description of the drawings
Main body layout drawings of the Fig. 1 for 1 heating furnace of embodiment, wherein 1, inert gas seal chamber, 2, main body heating furnace；
Structural representations of the Fig. 2 for the main body heating furnace of embodiment 1, wherein, 3, Muffle structure furnace chamber, 4, Muffle structure,
5th, heating, 6, copper electrode, 7, flame retardant coating, 8, heat-insulation layer, 9, cooling water pipeline, 10, furnace shell body of heater, 11, supporter, 12,
Armstrong's patent push-pull device at fixed, 13, guide rail, 14, pallet.
Specific embodiment
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Embodiment 1
Being embodied as that a kind of carbon carbon composite high temperature continuous furnace is processed to high purity carbon felt type product is as follows：
Such as Fig. 1, first, pending high purity carbon felt type product are placed in pallet 14, multiple pallets are put into Muffle knot
On guide rail 13 in structure furnace chamber 3, manually mechanical push-pull device at fixed 12 is pushed in Muffle structure furnace chamber 3, by two ends noble gases
Annular seal space 1 is connected with main body heating furnace 2 so as to form closed path, is filled with the argon protection that purity is more than 99.999%.
After gas pressure is stable, opens heating element heater 5 and be warming up to 2300 DEG C of high temperature completed to high purity carbon felt type product
Processing procedure, whole processing procedure ensure that copper electrode 6 and the cooling water in furnace shell 10 are unimpeded.
Finally, after the completion for the treatment of high-temperature process, heating 5 is closed, while ensureing copper electrode 6 and the cooling water in furnace shell 10
Unimpeded persistent loop, when temperature is down to room temperature, opens inert gas seal chamber 1 and main body heating furnace 2, and manually machinery is pushed away
Pallet 14 is released and is put into the new pallet of dress pending processing carbon felt sample by drawing device 12 successively, completes a high-purity carbon felt
Sample processing procedure.
Embodiment 2
A kind of carbon carbon composite high temperature continuous furnace is embodied as to high density carbon carbon composite sample processing
Including：
First, pending high density carbon carbon composite sample is placed in pallet 14, multiple pallets is put into Muffle
On guide rail 13 in structure furnace chamber 3, manually mechanical push-pull device at fixed 12 is pushed in Muffle structure furnace chamber 3, by two ends indifferent gas
Body annular seal space 1 is connected with main body heating furnace 2 so as to form closed path, is filled with the argon protection that purity is more than 99.999%.
After gas pressure is stable, unlatching heating element heater 5 is warming up to 2800 DEG C and completes to high density carbon carbon composite sample
The high-temperature process of product, whole processing procedure ensure that cooling water is unimpeded in copper electrode 6 and furnace shell 10.
Finally, after the completion for the treatment of high-temperature process, heating 5 is closed, while ensureing copper electrode 6 and the cooling water in furnace shell 10
Unimpeded persistent loop, when temperature is down to room temperature, opens inert gas seal chamber 1 and main body heating furnace 2, and manually machinery is pushed away
Pallet 14 is released and is put into the new pallet of dress pending processing high density carbon carbon composite sample by drawing device 12 successively, is completed
The course of processing of high density carbon carbon composite sample.
Embodiment 3
What a kind of carbon carbon composite high temperature continuous furnace was processed to high-purity titanium carbide sample is embodied as including：
First, pending Titanium Dioxide and white carbon black powder sample are placed in pallet 14, multiple pallets is put into Muffle
On guide rail 13 in structure furnace chamber 3, manually mechanical push-pull device at fixed 12 is pushed in Muffle structure furnace chamber 3, by two ends indifferent gas
Body annular seal space 1 is connected with main body heating furnace 2 so as to form closed path, is filled with the nitrogen protection that purity is more than 99.999%.
After gas pressure is stable, unlatching heating element heater 5 is warming up to 1500 DEG C and completes to Titanium Dioxide and white carbon black powder body sample
The high-temperature process of product, whole processing procedure ensure that cooling water is unimpeded in copper electrode 6 and furnace shell 10.
Finally, after the completion for the treatment of high-temperature process, heating 5 is closed, while ensureing copper electrode 6 and the cooling water in furnace shell 10
Unimpeded persistent loop, when temperature is down to room temperature, opens air seal cabin 1 and main body heating furnace 2, manually mechanical push-and-pull dress
Put 12 to release pallet 14 successively and be put into the new pallet of dress pending processing Titanium Dioxide and white carbon black powder sample, complete once
High-purity titanium carbide sample processing procedure.
Although the above-mentioned accompanying drawing that combines is described to specific embodiment of the present utility model, not new to this practicality
The restriction of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Various modifications or deform still in protection model of the present utility model that field technique personnel are made by need not paying creative work
Within enclosing.
Claims (8)
1. a kind of carbon carbon composite high temperature continuous furnace, is characterized in that：Including inert gas seal chamber and main body heating furnace
Body, the two ends of the main body heating furnace body are respectively provided with inert gas seal chamber, and the main body heating furnace body is arranged from inside to outside
Muffle structure, heating, flame retardant coating, heat-insulation layer, furnace shell, the Muffle structure are by the composite wood of carbon fiber reinforced carbon matrix body
The cavity that material is prepared, is connected with the inert gas seal chamber inside the Muffle structural cavity body；The heating is
Carbon carbon composite is prepared, and is connected into electrode using parallel form between the exit of heating, and the flame retardant coating is adopted
Prepared by carbon fibre felt or the enhanced carbon-based composite material of chopped carbon fiber, the heat-insulation layer using soft carbon fibre felt or
Hard carbon fibre felt is standby, and the furnace shell is prepared using carbon fibre-reinforced graphite composite, and the main body heating furnace enters
Discharging is realized using push-pull device at fixed.
2. heating furnace as claimed in claim 1, is characterized in that：The electric heating of the Muffle structure outer wall arrangement cage circulus
Element, the heating are looped around Muffle structure outer wall using bar-shaped or bandlet shape close structure, are looped around outside Muffle structure
The heating of wall is arranged composition cagelike structure successively along body of heater length direction.
3. heating furnace as claimed in claim 1, is characterized in that：Connected using parallel form between the exit of the heating
Enter copper electrode, sandwich in the electrode.
4. heating furnace as claimed in claim 1, is characterized in that：The Muffle structure, heating, flame retardant coating, heat-insulation layer it
Between be connected using carbon carbon composite supporter, by graphite bolt connection.
5. heating furnace as claimed in claim 1, is characterized in that：The type of the chopped carbon fiber is T300 or T700, is chopped
Length is 1cm-5cm, and the carbon base body is bitumencarb or urea formaldehyde carbon.
6. heating furnace as claimed in claim 1, is characterized in that：Inert atmosphere pipe is directly accessed inside the Muffle structural cavity body
Road, the pipeline carry automatic switching control equipment.
7. heating furnace as claimed in claim 1, is characterized in that：The push-pull device at fixed includes being arranged on leading in main body heating furnace
Rail and drive link and push-and-pull spring, the push-and-pull spring provide power, be furnished with n pallet and contain on the drive link and guide rail
Processed workpiece.
8. heating furnace as claimed in claim 1, is characterized in that：The inert gas seal cabin, width is 10cm-400cm, high
Spend for 10-50cm, effective length is 0.5-3 rice；The effective heating area width of the main body heating furnace is 10cm-400cm, highly
For 10-50cm, effective length is 1-20 rice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621060042.5U CN206019284U (en) | 2016-09-18 | 2016-09-18 | A kind of carbon carbon composite high temperature continuous furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621060042.5U CN206019284U (en) | 2016-09-18 | 2016-09-18 | A kind of carbon carbon composite high temperature continuous furnace |
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| Publication Number | Publication Date |
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| CN206019284U true CN206019284U (en) | 2017-03-15 |
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ID=58260471
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| CN201621060042.5U Active CN206019284U (en) | 2016-09-18 | 2016-09-18 | A kind of carbon carbon composite high temperature continuous furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288767A (en) * | 2016-09-18 | 2017-01-04 | 山东大学 | A kind of carbon carbon composite high temperature continuous furnace |
-
2016
- 2016-09-18 CN CN201621060042.5U patent/CN206019284U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288767A (en) * | 2016-09-18 | 2017-01-04 | 山东大学 | A kind of carbon carbon composite high temperature continuous furnace |
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