CN209341826U - A kind of square high temperature graphitization processing heating furnace - Google Patents
A kind of square high temperature graphitization processing heating furnace Download PDFInfo
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- CN209341826U CN209341826U CN201822233549.1U CN201822233549U CN209341826U CN 209341826 U CN209341826 U CN 209341826U CN 201822233549 U CN201822233549 U CN 201822233549U CN 209341826 U CN209341826 U CN 209341826U
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- furnace body
- water cooled
- cooled furnace
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- burner hearth
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Abstract
The utility model discloses a kind of square high temperature graphitizations to handle heating furnace, water cooled furnace body including rectangular steel construction, the inner wall of water cooled furnace body is surrounded by thermal insulation layer, several graphite heating components are evenly distributed in water cooled furnace body along the vertical direction, graphite heating component is hung inside thermal insulation layer, rectangular isothermal region in burner hearth is equipped at water cooled furnace body inside center, the side of water cooled furnace body is equipped with rectangular fire door, the faucal shape of rectangular fire door and water cooled furnace body is adapted, the outside of water cooled furnace body is also connected with vacuum pump set, vacuum pump set is for vacuumizing direction isothermal region in burner hearth.Heating element may be implemented to the equidistant radiant heating of workpiece in the utility model, and water cooled furnace body heat dissipation uniformly, plays improvement result to temperature uniformity in burner hearth.
Description
Technical field
The utility model belongs to C/C new material heating equipment technical field, be related to a kind of processing of square high temperature graphitization plus
Hot stove.
Background technique
The characteristics of high temperature graphitization treatment process is to prepare the indispensable heat treatment process of C/C new material, the technique be
It is from Turbostratic to the process of crystal structure of graphite transform in order by the charcoal atoms at suitable temperatures of thermodynamic instability using thermal activation
It is carried out under 2300 DEG C or so high temperature and vacuum or inert protective atmosphere.C/C new material high temperature graphitization heat-treatment furnace is main
It is made of furnace binding water cooled furnace body, Carbon Materials thermal insulation layer, graphite heating component and vacuum pump set.
The main status of C/C new material graphitization processing heating furnace applied at present is stated as follows:
1. the first structure
Furnace binding water cooled furnace body is cylindric sandwich, and whole is in horizontal placement, in cylinder axis direction section
Opened round fire door is vacuumized inside burner hearth with meeting, and runs under negative pressure and the technique of workpiece loading and unloading requires；In furnace binding
Thermal insulation layer is installed inside water cooled furnace body, the inside of thermal insulation layer forms burner hearth inner space, inside burner hearth thermal insulation layer integrally use with
The external matched cylindrical-shaped structure of steel structure water black furnace shell phase, is directly anchored on furnace binding water cooled furnace body inner wall；Heating
Element is hung by thermal insulation layer in the two sides of burner hearth inner space from the outside of furnace binding water cooled furnace body, passes through heating element
Fever, formed burner hearth in effective isothermal region.
2. second of structure
Furnace binding water cooled furnace body is cylindric sandwich, and whole is in horizontal placement, in cylinder axis direction section
Opened round fire door is vacuumized inside burner hearth with meeting, and runs under negative pressure and the technique of workpiece loading and unloading requires；In furnace binding
Thermal insulation layer is installed inside water cooled furnace body, the inside of thermal insulation layer forms burner hearth inner space, inside burner hearth thermal insulation layer whole design at
Square structure is fixed on the inner wall of cylindric furnace binding water cooled furnace body by square frame；Heating element is from furnace body steel
The outside of structure water cooled furnace body, in the two sides or four sides of thermal insulation layer inner space, passes through week by the hanging of the upper surface of rectangular thermal insulation layer
Enclose the fever of heating element.Form effective isothermal region in burner hearth.
At present both high temperature graphitizations processing heating furnace body steel construction water cooled furnace body be it is columned, the structure
High temperature graphitization heating furnace has the following disadvantages in manufacture, installation and use process.
(1) thermal insulation layer is same as water cooled furnace body inside burner hearth when being cylindrical-shaped structure (i.e. round in outer circle).
(1) heating element installation is inconvenient, and the arrangement in space is restricted in burner hearth, leads to the efficient heat generation of heating element
Area is reduced；
(2) heat dissipation of water cooling outer furnace shell is uneven, is affected to temperature uniformity in burner hearth；
(3) volume of isothermal region cannot maximize in furnace cavity in burner hearth, form space waste.
(2) inside burner hearth thermal insulation layer be integrally square structure when (i.e. round outside but spuare inside type).
(1) the rectangular thermal insulation layer of burner hearth will be fixed on the inner wall of cylindrical shell by square frame, thermal insulation layer frame peace
Dress is inconvenient, and distance of each portion of thermal insulation layer apart from cylindrical shell is different, and the heat dissipation for forming cylindrical shell is uneven, to burner hearth
The temperature uniformity of interior isothermal region is affected；
(2) the efficient heat generation area of heating element is reduced；
(3) volume of isothermal region cannot maximize in cylindric water cooled furnace body space in burner hearth；
(4) rectangular thermal insulation layer fixed frame is unstable in hot operation, and easily-deformable, failure rate is higher.
(5) the C/C new material high temperature graphitization heat treatment process cycle of operation is long, high using temperature in furnace, external steel construction
Internal structure failure rate is higher when in use for the high temperature graphitization processing heating furnace of the cylindrical structure of water cooled furnace body, and maintenance is not
Just.
Utility model content
The purpose of the utility model is to provide a kind of square high temperature graphitizations to handle heating furnace, which may be implemented to add
Thermal element is to the equidistant radiant heating of workpiece, and uniformly, playing to temperature uniformity in burner hearth improves work for water cooled furnace body heat dissipation
With.
The utility model is the technical scheme adopted is that a kind of square high temperature graphitization handles heating furnace, including square bar
The inner wall of the water cooled furnace body of structure, water cooled furnace body is surrounded by thermal insulation layer, if being evenly distributed with along the vertical direction in water cooled furnace body
Dry graphite heating component, graphite heating component are hung inside thermal insulation layer, are equipped at water cooled furnace body inside center rectangular in burner hearth
Isothermal region, the side of water cooled furnace body are equipped with rectangular fire door, and the faucal shape of rectangular fire door and water cooled furnace body is adapted, water cooled furnace body
Outside be also connected with vacuum pump set, vacuum pump set is for vacuumizing direction isothermal region in burner hearth.
The utility model is also characterized by
Water cooled furnace body includes internal layer carbon steel steel plate and outer layer carbon steel steel plate, between internal layer carbon steel steel plate and outer layer carbon steel steel plate
Several water-stop sheets are evenly distributed with, water-stop sheet vertical distribution is between internal layer carbon steel steel plate and outer layer carbon steel steel plate.
The junction of rectangular fire door and water cooled furnace body is equipped with sealing ring, and sealing ring is mounted in the seal groove of rectangular fire door.
Thermal insulation layer is made by charcoal felt and C/C Material cladding.
The utility model has the beneficial effects that a kind of square high temperature graphitization provided by the utility model handles heating furnace,
Peak use rate of the isothermal region volume of high temperature graphitization processing heating furnace in entire water cooled housing inner heat source region is improved,
Play energy-efficient effect；Simplify in addition there are the installation of thermal insulation layer inside burner hearth and heating element and solid and reliable, maintenance and
It operates conveniently.
Detailed description of the invention
Fig. 1 is a kind of side sectional view of square high temperature graphitization processing heating furnace of the utility model；
Fig. 2 is a kind of sectional view of top view of square high temperature graphitization processing heating furnace of the utility model.
In figure, rectangular isothermal region in 1. burner hearths, 2. graphite heating components, 3. thermal insulation layers, 4. water cooled furnace bodys, 5. water-stop sheets,
6. rectangular fire door, 7. sealing rings, 8. vacuum pump sets.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
A kind of square high temperature graphitization of the utility model handles heating furnace, and structure is as shown in Figure 1, 2, including rectangular steel construction
Water cooled furnace body 4, the rectangular water cooled furnace body 4 include internal layer carbon steel steel plate and outer layer carbon steel steel plate, internal layer carbon steel steel plate and outer layer
Several water-stop sheets 5 (water-stop sheet 5 is also as reinforcing rib use) are evenly distributed between carbon steel steel plate, 5 vertical distribution of water-stop sheet exists
Between internal layer carbon steel steel plate and outer layer carbon steel steel plate；5 welding fabrication of internal layer carbon steel steel plate, outer layer carbon steel steel plate and water-stop sheet is protected
Demonstrate,prove the ne-leakage phenomenon in use of water cooled furnace body 4, the welding structure of water-stop sheet 5 guarantee recirculated cooling water circulation and
The intensity and rigidity of integral water-cooled furnace shell are improved, guarantees that whole rectangular water cooled furnace body is indeformable under the negative pressure of an atmospheric pressure,
It is able to satisfy high temperature graphitization process of thermal treatment requirement, the basic object that the water cooled furnace body or other elements are fixed.
Water-stop sheet 5 is made of carbon steel steel plate.
The inner wall of water cooled furnace body 4 is surrounded by thermal insulation layer 3, if being evenly distributed with drystone along the vertical direction in water cooled furnace body 4
Black heating element 2, graphite heating component 2 are hung inside thermal insulation layer 3, and graphite heating component 2 is fixed on water cooled furnace body 4, water
Rectangular isothermal region 1 in burner hearth is equipped at 4 inside center of black furnace shell, the side of water cooled furnace body 4 is equipped with rectangular fire door 6, rectangular fire door 6
Be adapted with the faucal shape of water cooled furnace body 4, the outside of water cooled furnace body 4 is also connected with vacuum pump set 8, vacuum pump set 8 for pair
Direction isothermal region 1 is vacuumized in burner hearth, to meet high temperature graphitization treatment process.
The junction of rectangular fire door 6 and water cooled furnace body 4 is equipped with sealing ring 7, and 7 material of sealing ring is fluorubber, the side of being mounted on
In the seal groove of shape fire door 6.
Rectangular fire door 6 mainly plays workpiece loading and unloading and seals burner hearth, workpiece loading and unloading when opening, and when closing passes through sealing
Circle 7 and water cooled furnace body 4 seal, and machine automatization may be implemented in the opening and closing of rectangular fire door 6.
By charcoal felt and C/C material, (C/C composite material refers to using Carbon fibe or its fabric as reinforced phase, with chemistry thermal insulation layer 3
The pyrolytic carbon or liquid impregnation-charing resin carbon of gas-phase permeation, a kind of pure charcoal heterogeneous structure that asphalt carbon is matrix composition) it is multiple
Production is closed, main function is heat-insulated and heat preservation, and the hot environment of isothermal region 1 rectangular in burner hearth is isolated with outer layer water cooled furnace body 4
Get up, prevents graphite heating component 2 from directly radiating water cooled furnace body 4 when heated.
Graphite heating component 2 is the source of heat, passes through workpiece in fever heating furnace.Workpiece to graphitization processing is put
Set rectangular 1 the inside of isothermal region in burner hearth.
A kind of application method of square high temperature graphitization processing heating furnace of the utility model is to open rectangular fire door 6, is passed through
By workpiece to be processed in rectangular isothermal region 1 in burner hearth, charge mechanism exits charge mechanism, closes rectangular fire door 6；It opens true
Empty unit 8 carries out vacuumize process to furnace interior, reaches the final vacuum of technique requirement；Start to heat burner hearth, graphite
Heating element 2 starts to generate heat after powering on, and temperature increases in burner hearth, according to heating process curve to assigned temperature；According to work
Skill requires to be passed through inert protective atmosphere in rectangular isothermal region 1 into burner hearth, requires adjustment vacuum pump set 8 and protection gas according to technique
Atmosphere reaches burner hearth setting pressure；After heat preservation, require to be cooled to set temperature according to technique；It shuts down vacuum pump set 8 and stops
It is passed through protective gas, abolishes burner hearth vacuum, rectangular fire door 6 is opened, unloads workpiece.
Claims (4)
1. a kind of square high temperature graphitization handles heating furnace, it is characterised in that: the water cooled furnace body including rectangular steel construction, water cooling furnace
The inner wall of shell is surrounded by thermal insulation layer, is evenly distributed with several graphite heating components along the vertical direction in water cooled furnace body, graphite adds
Thermal element is hung inside thermal insulation layer, and rectangular isothermal region in burner hearth, the side of water cooled furnace body are equipped at water cooled furnace body inside center
Equipped with rectangular fire door, the faucal shape of rectangular fire door and water cooled furnace body is adapted, and the outside of water cooled furnace body is also connected with vacuum machine
Group, vacuum pump set is for vacuumizing direction isothermal region in burner hearth.
2. a kind of square high temperature graphitization according to claim 1 handles heating furnace, it is characterised in that: the water cooled furnace body
Including internal layer carbon steel steel plate and outer layer carbon steel steel plate, be evenly distributed between internal layer carbon steel steel plate and outer layer carbon steel steel plate it is several every
Water plate, water-stop sheet vertical distribution is between internal layer carbon steel steel plate and outer layer carbon steel steel plate.
3. a kind of square high temperature graphitization according to claim 1 handles heating furnace, it is characterised in that: the rectangular fire door
It is equipped with sealing ring with the junction of water cooled furnace body, sealing ring is mounted in the seal groove of rectangular fire door.
4. a kind of square high temperature graphitization according to claim 1 handles heating furnace, it is characterised in that: the thermal insulation layer by
Charcoal felt and the production of C/C Material cladding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822233549.1U CN209341826U (en) | 2018-12-28 | 2018-12-28 | A kind of square high temperature graphitization processing heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822233549.1U CN209341826U (en) | 2018-12-28 | 2018-12-28 | A kind of square high temperature graphitization processing heating furnace |
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| Publication Number | Publication Date |
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| CN209341826U true CN209341826U (en) | 2019-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822233549.1U Active CN209341826U (en) | 2018-12-28 | 2018-12-28 | A kind of square high temperature graphitization processing heating furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117245049A (en) * | 2023-09-19 | 2023-12-19 | 北京科技大学 | 1300-2000 ℃ ultrahigh temperature vacuum isothermal forming device |
-
2018
- 2018-12-28 CN CN201822233549.1U patent/CN209341826U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117245049A (en) * | 2023-09-19 | 2023-12-19 | 北京科技大学 | 1300-2000 ℃ ultrahigh temperature vacuum isothermal forming device |
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