CN206803750U - A kind of box atmosphere furnace of use for laboratory - Google Patents
A kind of box atmosphere furnace of use for laboratory Download PDFInfo
- Publication number
- CN206803750U CN206803750U CN201720643822.0U CN201720643822U CN206803750U CN 206803750 U CN206803750 U CN 206803750U CN 201720643822 U CN201720643822 U CN 201720643822U CN 206803750 U CN206803750 U CN 206803750U
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- furnace
- furnace shell
- lining
- plate
- heater
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- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The utility model discloses a kind of box atmosphere furnace of use for laboratory, it is related to technical field of heat treatment technology, including body of heater and bell, the body of heater includes furnace shell and furnace lining, and the furnace shell is double panel structure, and the furnace shell includes interior furnace shell and outer furnace shell, the bell is individual layer harden structure, the furnace lining is close to that the interior furnace shell is assembled by ceramic fibre plate, heater element is provided with the inwall of the furnace lining, the heater element is fixed on the inwall of the furnace lining by liner plate.The furnace lining of the box atmosphere furnace of the utility model use for laboratory is assembled using polylith ceramic fibre plate, in light weight, cost is low and easy to maintenance；Exclusive double-deck furnace shell design improves the heat insulation effect of body of heater, and the reinforcement between furnace shell ectonexine improves the stability of framework；Heater element is fixed on furnace lining inwall by liner plate simultaneously, extracts the i.e. conveniently replaced failure heater element of liner plate out when needing to change heater element, easy to maintenance and economical and practical.
Description
Technical field
The utility model belongs to technological equipment field, is related to a kind of Equipment for Heating Processing, more particularly to a kind of use for laboratory
Box atmosphere furnace.
Background technology
Case type experiment electric stove is the important process equipment of the industries such as ceramics, glass, machinery, metallurgy, military project, in scientific research, work
Industry production etc. plays an important role.Use for laboratory high-temperature atmosphere furnace is mainly made up of body of heater, switch board, air-channel system,
Required atmosphere can be provided in the case of high-temperature calcination.
Use for laboratory high-temperature atmosphere furnace mainly has two kinds at present：One kind is tube-type atmosphere furnace, although equipment is cheap, temperature becomes
Change speed is fast, good seal performance, but furnace volume is small, inconvenient, the bad replacing of heating element heater of entering to come out of the stove, and body of heater is circular
Alundum tube, quartz ampoule, stainless steel tube etc., easily occur causing because of hot-spot body of heater to deform and the problem of rupture；It is another
Kind is box atmosphere furnace, although furnace volume is big, enter to come out of the stove convenience, heating element heater are easily changed, existing box atmosphere furnace is protected
Adiabator is all refractory brick and heat-preservation cotton composition, causes that body of heater weight is larger, heat insulation effect is bad, the thermal efficiency is relatively low, meanwhile, stove
Body is single layer designs, is easily deformed when ventilating and vacuumizing.
The content of the invention
To solve above technical problem, the utility model provides a kind of light weight, high insulating effect, thermal efficiency height, use
The box atmosphere furnace of use for laboratory of long lifespan.
To achieve the above object, the utility model provides following scheme：
The utility model provides a kind of box atmosphere furnace of use for laboratory, including body of heater and bell, the body of heater include furnace shell
And furnace lining, the furnace shell are double panel structure, the furnace shell includes interior furnace shell and outer furnace shell, and the bell is individual layer harden structure,
The furnace lining is close to that the interior furnace shell is assembled by ceramic fibre plate, and heater element is provided with the inwall of the furnace lining,
The heater element is fixed on the inwall of the furnace lining by liner plate.
Optionally, the interior furnace shell and the outer furnace shell are 304 stainless steel plate shells, and the bell is 304 stainless steel plates
Lid, forms vacuum lumen, is uniformly arranged between the interior furnace shell and the outer furnace shell between the interior furnace shell and the outer furnace shell
There is reinforcement, the reinforcement uses 304 stainless steel square tubes.
Optionally, the furnace lining includes the ceramic fiberboard of three layers of different heatproof degree, innermost layer successively from inside to outside
For High-temperature resistant ceramic fiber plate layer, intermediate layer is the fibrolamellar of resistance to medium temperature ceramics, and outermost layer is low temperature resistant ceramic fiberboard, often
One layer of ceramic fiberboard forms by ceramic fibre plate is seamless spliced, is left between adjacent ceramic fibrolamellar certain
Gap.
Optionally, certain filling gap is left between the outer layer of the furnace lining and the interior furnace shell, and between the filling
Filling insulation asbestos in gap.
Optionally, the heater element is corundum molybdenum filament plate, and the corundum molybdenum filament plate is formed by molybdenum filament winding corundum plate.
Optionally, a corundum molybdenum filament plate, and two institutes are set respectively on a pair of sides of the inwall of the furnace lining
Corundum molybdenum filament plate is stated to be symmetrical arranged.
Optionally, two corundum molybdenum filament plates by same corundum liner plate embedded in the furnace lining inwall to side
On.
Optionally, a side surface of the outer furnace shell sets exhaust tube, and contralateral surface is provided with pressure vacuum gauge.
Optionally, first by coating refractory seals glue sticking between the bell and the body of heater, then nut is passed through
Bolt arrangement is fixedly connected.
Optionally, the bell outer surface is evenly arranged with a suction interface, a protection gas interface, an exhaust outlet, a heat
Galvanic couple Wiring port, a stove pressure gauge and four power supply wiring ports.
The utility model achieves following technique effect relative to prior art：
(1) furnace lining of the box atmosphere furnace of the utility model use for laboratory is assembled using polylith ceramic fibre plate, no
The weight of whole body of heater is only alleviated, and every piece of ceramic fibre plate is independent, can pointedly change failure plate, and
Whole furnace lining need not be changed, reduces use cost；And minim gap between ceramic fiberboard and furnace lining outer layer with
Gap between furnace shell inwall can reduce the influence expanded with heat and contract with cold to stove, extend service life；
(2) heater element is fixed on furnace lining inwall by corundum liner plate, and corundum liner plate plays the fixed heater element of support
Effect, and need change heater element when first extract corundum liner plate out after, heater element i.e. can be taken off changing, it is economical and practical；
(3) exclusive double-deck furnace shell design can efficiently reduce heat to external diffusion so that the heat insulation effect of stove is more
It is better than the batch-type furnace of individual layer furnace shell, the reinforcement between furnace shell ectonexine improves the stability of framework, can effectively prevent body of heater
Because being easily deformed when ventilating and vacuumizing.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
In the required accompanying drawing used be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, without having to pay creative labor, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is the cross-sectional view of the box atmosphere furnace of the utility model use for laboratory；
Fig. 2 is furnace cover structure schematic diagram in the box atmosphere furnace of the utility model use for laboratory.
Description of reference numerals：1st, outer furnace shell；2nd, interior furnace shell；3rd, low temperature resistant ceramic fiberboard；4th, the fiber of resistance to medium temperature ceramics
Flaggy；5th, High-temperature resistant ceramic fiber plate layer；6th, corundum molybdenum filament plate；7th, reinforcement；8th, vacuum lumen；9th, pressure vacuum gauge；10th, take out
Tracheae；11st, corundum liner plate；12nd, power supply wiring port；13rd, suction interface；14th, gas interface is protected；15th, thermocouple terminal mouth；
16th, stove pressure gauge；17th, exhaust outlet；18th, bell.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
The purpose of this utility model is to provide the experiment of a kind of light weight, high insulating effect, thermal efficiency height, service life length
The box atmosphere furnace in room.
Based on this, the utility model provides a kind of box atmosphere furnace, including body of heater and bell, body of heater include furnace shell and stove
Lining, furnace shell is double panel structure, furnace shell includes interior furnace shell and outer furnace shell, and bell is individual layer harden structure, and furnace lining is by ceramic beaverboard
Block is close to that interior furnace shell is assembled, heater element is provided with the inwall of furnace lining, heater element is fixed on furnace lining by liner plate
Inwall.
The furnace lining of the box atmosphere furnace of the utility model use for laboratory is assembled using polylith ceramic fibre plate, weight
Gently, cost is low and easy to maintenance；Exclusive double-deck furnace shell design improves the heat insulation effect of body of heater, it is between furnace shell ectonexine plus
Strengthening tendons improves the stability of framework；Heater element is fixed on furnace lining inwall by liner plate simultaneously, and when needing, replacing heating is first
It is conveniently replaced failure heater element to extract liner plate during part out, easy to maintenance and economical and practical.
To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings and tool
Body embodiment is described in further detail to the utility model.
Embodiment one：
As shown in figure 1, the present embodiment provides a kind of box atmosphere furnace of use for laboratory, including body of heater and bell 18, body of heater bag
Furnace shell and furnace lining are included, bell 18 is individual layer stainless steel plate structure, and furnace shell is double-layer stainless steel harden structure, the respectively He of outer furnace shell 1
Interior furnace shell 2, vacuum lumen 8 is formed between outer furnace shell 1 and interior furnace shell 2, is set evenly and at intervals between outer furnace shell 1 and interior furnace shell 2
There is reinforcement 7.Furnace lining includes the ceramic fiberboard of three layers of different heatproof degree successively from inside to outside, and innermost layer is made pottery for high temperature resistant
Porcelain fibrolamellar 5, intermediate layer are the fibrolamellar of resistance to medium temperature ceramics 4, and outermost layer is low temperature resistant ceramic fiberboard 3, and each layer is made pottery
Porcelain fibrolamellar is formed by ceramic fibre plate is seamless spliced, and small gap is left between adjacent ceramic fibrolamellar, can
To reduce the influence expanded with heat and contract with cold to stove；Likewise, leave one between low temperature resistant ceramic fiberboard 3 and the inwall of interior furnace shell 2
Fixed filling gap, and the filling insulation asbestos in the filling gap, to reduce impact of the rising-heat contracting-cold to furnace shell.
As shown in figure 1, structure in the stove is radiant heat transfer type, heater element uses corundum molybdenum filament plate 6, corundum molybdenum filament plate 6 by
Molybdenum filament winding corundum plate forms.One corundum molybdenum filament plate 6, and two corundum molybdenum filaments are set respectively on a pair of sides of furnace lining inwall
Plate 6 is symmetrical arranged, and by same corundum liner plate 11 on the double side wall of High-temperature resistant ceramic fiber plate layer 5.Corundum liner plate
11 play a part of the fixed corundum molybdenum filament plate 6 of support, first take out corundum liner plate 11 when needing and changing corundum molybdenum filament plate 6
Go out, you can be convenient for changing corundum molybdenum filament plate 6.
In this specific embodiment, as illustrated in fig. 1 and 2, the outer surface of outer furnace shell 1 sets an exhaust tube 10, relatively outer
Side surface sets a pressure vacuum gauge 9.The corner of the outer surface of bell 18 sets a power supply wiring port 12 to be used for power supply respectively
Wiring, and four power supply wiring ports 12 are symmetrical arranged；It has been arranged side by side along axis one end of bell 18 and has been connect for thermocouple
The thermocouple terminal mouth 15 of line, the exhaust outlet 17 for stove exhaust and the stove pressure gauge 16 for detecting furnace pressure；Should
The other end of axis is symmetrically arranged with one and led to for the suction interface 13 and one that furnace interior vacuumizes for protective atmosphere in stove
The protection gas entered connects 14.During closed furnace body, by coating refractory seals glue sticking first between bell 18 and body of heater, then lead to
Nut bolt structure is crossed to be fixedly connected.
As can be seen here, the furnace lining of the present embodiment is assembled using polylith ceramic fibre plate, not only alleviates whole stove
The weight of body, and failure plate can be pointedly changed without changing whole furnace lining, reduce use cost, extending makes
Use the life-span；Heater element is fixed on furnace lining inwall by corundum liner plate simultaneously, and corundum is extracted out when needing and changing heater element
After liner plate, heater element can be taken off changing, economical and practical；Exclusive double-deck furnace shell reduces heat to extending out with being designed with effect
Dissipate so that the heat insulation effect of stove is more better than the batch-type furnace of individual layer furnace shell, and the reinforcement between furnace shell ectonexine improves framework
Stability, effectively prevent body of heater because being easily deformed when ventilating and vacuumizing.
It should be noted that the furnace lining in the utility model is not limited to be spliced by ceramic fibre plate, other
With light weight, heat-insulated good sheet material, used as long as body of heater quality can be reduced and improve heat insulation effect and improve body of heater
Life-span；In addition, the reinforcement between inside and outside furnace shell is not limited to 304 stainless steel square tubes, other, which can be played, prevents stove
The reinforcement structure of body deformation；Meanwhile furnace lining is not limited to three layers in the present embodiment, can change according to the actual requirements
The number of plies of furnace lining, and filling insulation asbestos are not really wanted in the gap of ceramic beaverboard and interior furnace shell, other have heat in buffering stove
Rise the insulation material that shrinkage is impacted to furnace shell；Finally, heater element is not limited to molybdenum filament and corundum plate, and other are conformed to
The heater element asked.
Apply specific case in this specification to be set forth principle of the present utility model and embodiment, the above is real
The explanation for applying example is only intended to help and understands method and its core concept of the present utility model；Meanwhile for the general of this area
Technical staff, according to thought of the present utility model, there will be changes in specific embodiments and applications.To sum up institute
State, this specification content should not be construed as to limitation of the present utility model.
Claims (10)
1. a kind of box atmosphere furnace of use for laboratory, including body of heater and bell, it is characterised in that the body of heater includes furnace shell and stove
Lining, the furnace shell is double panel structure, and the furnace shell includes interior furnace shell and outer furnace shell, and the bell is individual layer harden structure, described
Furnace lining is close to that the interior furnace shell is assembled by ceramic fibre plate, and heater element is provided with the inwall of the furnace lining, described
Heater element is fixed on the inwall of the furnace lining by liner plate.
2. the box atmosphere furnace of use for laboratory according to claim 1, it is characterised in that the interior furnace shell and the outer furnace shell
It is 304 stainless steel plate shells, the bell is 304 stainless steel plate lids, and vacuum is formed between the interior furnace shell and the outer furnace shell
Inner chamber, is evenly arranged with reinforcement between the interior furnace shell and the outer furnace shell, the reinforcement uses 304 stainless steel square tubes.
3. the box atmosphere furnace of use for laboratory according to claim 2, it is characterised in that the furnace lining wraps successively from inside to outside
The ceramic fiberboard of three layers of different heatproof degree is included, innermost layer is High-temperature resistant ceramic fiber plate layer, and intermediate layer is made pottery for resistance to medium temperature
Porcelain fibrolamellar, outermost layer are low temperature resistant ceramic fiberboard, and each layer ceramic fiberboard is by ceramic fibre plate
It is seamless spliced to form, leave certain interval between adjacent ceramic fibrolamellar.
4. the box atmosphere furnace of use for laboratory according to claim 3, it is characterised in that the outer layer of the furnace lining with it is described interior
Certain filling gap, and filling insulation asbestos in the filling gap are left between furnace shell.
5. the box atmosphere furnace of use for laboratory according to claim 1, it is characterised in that the heater element is corundum molybdenum filament
Plate, the corundum molybdenum filament plate are formed by molybdenum filament winding corundum plate.
6. the box atmosphere furnace of use for laboratory according to claim 5, it is characterised in that at a pair of the inwall of the furnace lining
The one corundum molybdenum filament plate is set respectively on side, and two corundum molybdenum filament plates are symmetrical arranged.
7. the box atmosphere furnace of use for laboratory according to claim 6, it is characterised in that two corundum molybdenum filament plates pass through
Same corundum liner plate is embedded in the inwall of the furnace lining on side.
8. the box atmosphere furnace of use for laboratory according to claim 1 a, it is characterised in that side surface of the outer furnace shell is set
Exhaust tube is put, contralateral surface is provided with pressure vacuum gauge.
9. the box atmosphere furnace of use for laboratory according to claim 1, it is characterised in that between the bell and the body of heater
First by coating refractory seals glue sticking, then it is fixedly connected by nut bolt structure.
10. the box atmosphere furnace of use for laboratory according to claim 1, it is characterised in that the bell outer surface is provided with
One suction interface, a protection gas interface, an exhaust outlet, a thermocouple terminal mouth, a stove pressure gauge and four power supplys connect
Line end mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720643822.0U CN206803750U (en) | 2017-06-06 | 2017-06-06 | A kind of box atmosphere furnace of use for laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720643822.0U CN206803750U (en) | 2017-06-06 | 2017-06-06 | A kind of box atmosphere furnace of use for laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206803750U true CN206803750U (en) | 2017-12-26 |
Family
ID=60744955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720643822.0U Expired - Fee Related CN206803750U (en) | 2017-06-06 | 2017-06-06 | A kind of box atmosphere furnace of use for laboratory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206803750U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990602A (en) * | 2019-04-28 | 2019-07-09 | 鞍山盈丰新材料科技有限公司 | A kind of refractory material preliminary working multi-layer heat preserving furnace shell |
| CN111219988A (en) * | 2020-01-21 | 2020-06-02 | 中国建筑科学研究院有限公司 | Assembled fire-resistant experimental furnace and contain its fire-resistant experimental system |
| CN113294993A (en) * | 2021-05-14 | 2021-08-24 | 苏州伦可新材料技术有限公司 | Normal pressure sintering device |
-
2017
- 2017-06-06 CN CN201720643822.0U patent/CN206803750U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990602A (en) * | 2019-04-28 | 2019-07-09 | 鞍山盈丰新材料科技有限公司 | A kind of refractory material preliminary working multi-layer heat preserving furnace shell |
| CN111219988A (en) * | 2020-01-21 | 2020-06-02 | 中国建筑科学研究院有限公司 | Assembled fire-resistant experimental furnace and contain its fire-resistant experimental system |
| CN113294993A (en) * | 2021-05-14 | 2021-08-24 | 苏州伦可新材料技术有限公司 | Normal pressure sintering device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 Termination date: 20190606 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |