CN207095299U - A kind of energy-saving atmosphere controlled heat treatment furnace burner hearth thermal insulation structure - Google Patents

A kind of energy-saving atmosphere controlled heat treatment furnace burner hearth thermal insulation structure Download PDF

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Publication number
CN207095299U
CN207095299U CN201720746650.XU CN201720746650U CN207095299U CN 207095299 U CN207095299 U CN 207095299U CN 201720746650 U CN201720746650 U CN 201720746650U CN 207095299 U CN207095299 U CN 207095299U
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China
Prior art keywords
treatment furnace
burner hearth
resistant
high temperature
energy
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Expired - Fee Related
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CN201720746650.XU
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Chinese (zh)
Inventor
史有森
袁彬
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Jiangsu Fengdong Heat Treatment And Surface Modification Engineering And Technology Research Co Ltd
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Jiangsu Fengdong Heat Treatment And Surface Modification Engineering And Technology Research Co Ltd
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Abstract

The utility model discloses a kind of energy-saving atmosphere controlled heat treatment furnace burner hearth thermal insulation structure, it is related to heat-treatment furnace technical field, including body of heater, body of heater include be sequentially connected from outside to inside steel plate layer, thermostable heat-isolating coating layer, anti-carburization high temperature-resistant fibrolamellar, steel plate layer is welded into cylinder by some blocks of steel plates, thermostable heat-isolating coating layer is uniformly attached to steel plate layer inner surface, and anti-carburization high temperature-resistant fibrolamellar is detachably connected with steel plate layer.The energy-saving atmosphere controlled heat treatment furnace burner hearth thermal insulation structure can be substantially reduced the lining thickness of heat-treatment furnace using the combining structure of steel plate layer+thermostable heat-isolating coating layer+anti-carburization high temperature-resistant fibrolamellar, reduce the surface area of heat treatment furnace body, so as to reduce furnace lining amount of stored heat, reduce by the outside dispersed heat of burner hearth, thus play energy-saving effect;Simultaneously as burner hearth lining thickness reduces, construction technology simplifies, and greatly reduces manufacturing cost, shortens maintenance cycle.

Description

A kind of energy-saving atmosphere controlled heat treatment furnace burner hearth thermal insulation structure
Technical field
Heat-treatment furnace technical field is the utility model is related to, more particularly to a kind of energy-saving atmosphere controlled heat treatment furnace stove Thorax thermal insulation structure.
Background technology
Large forgings for industry productions such as nuclear power, chemical industry, machinery, boilers, the requirement to its combination property is increasingly It is high, it is therefore desirable to be heat-treated.Heat treatment is to change the method for metal physics property using heating and cooling, heat-treatment furnace It is the industrial furnace that metal works are carried out with various metal heat treatmets.
The chamber structure in heat-treatment furnace is unable to reach required intensity and fire resisting degree in the prior art, therefore usually can The situation that heat is concentrated or heating is relatively slow, heating is uneven occurs.
Authorization Notice No. is that CN205188349U Chinese utility model discloses a kind of chamber structure of normalizing furnace, including Body of heater and the furnace roof on body of heater, are detachable setting between furnace roof and body of heater, and body of heater includes side wall and and side wall The bottom plate of connection, the first fire brick layer, the second fire brick layer, anti-carburization high temperature-resistant that side wall includes being sequentially connected from outside to inside are fine Flaggy layer and heat-insulation layer are tieed up, heat-insulation layer is that perlite and rock cotton board form.This kind of burner hearth lining thickness is excessive, increases outside body of heater Surface area, causes that area of dissipation is big, energy consumption increase;Lining thickness is excessive, adds furnace lining amount of stored heat, causes energy consumption to increase;This Outer manufacturing cost is high, and maintenance cost is also high, maintenance cycle length.
Utility model content
Technical problem to be solved in the utility model, which is that existing chamber structure thickness is excessive, causes area of dissipation big, overcomes The shortcomings that prior art, there is provided a kind of energy-saving atmosphere controlled heat treatment furnace burner hearth thermal insulation structure, reduce burner hearth thickness, subtract Heat in few burner hearth scatters and disappears.
In order to solve the above technical problems, a kind of energy-saving atmosphere controlled heat treatment furnace burner hearth of the utility model offer is heat-insulated Insulation construction, including body of heater, it is steel plate layer that body of heater includes being sequentially connected from outside to inside, thermostable heat-isolating coating layer, impervious Carbon high-temperature fibre flaggy, steel plate layer are welded into cylinder by some blocks of steel plates, and thermostable heat-isolating coating layer uniformly adheres to In steel plate layer inner surface, anti-carburization high temperature-resistant fibrolamellar is detachably connected with steel plate layer.
Technique effect:Using the combination knot of steel plate layer+thermostable heat-isolating coating layer+anti-carburization high temperature-resistant fibrolamellar Structure, because steel plate layer thickness will be significantly smaller than double-deck fire brick layer, the thickness of thermostable heat-isolating coating layer is much less than treasure Zhu Yan and asbestos board composition composite heat-insulating layer, therefore combining structure described in the utility model can be substantially reduced heat-treatment furnace Lining thickness, that is, reduce the surface area of heat treatment furnace body, so as to reduce furnace lining amount of stored heat, reduce outwards lost by burner hearth Heat, thus play energy-saving effect;Simultaneously as burner hearth lining thickness reduces, construction technology simplifies, and greatly reduces Manufacturing cost, shorten maintenance cycle.
The technical scheme that the utility model further limits is:
Further, thermostable heat-isolating coating layer is protected by the high temperature resistant heat insulation that thermal conductivity factor is 0.02 ~ 0.04W/m.K Thermo-paint is uniformly brushed and formed, and thickness is 7 ~ 9mm.
A kind of preceding described energy-saving atmosphere controlled heat treatment furnace burner hearth thermal insulation structure, anti-carburization high temperature-resistant fiberboard Layer is formed by the impervious carbon high intensity alumina-silicate ceramic fibre felt compacting of high temperature resistant, and thickness is 190 ~ 210mm.
A kind of preceding described energy-saving atmosphere controlled heat treatment furnace burner hearth thermal insulation structure, anti-carburization high temperature-resistant fiberboard Layer is spliced by some pieces of alumina-silicate ceramic fibre chunks, anti-carburization high temperature-resistant fiber is filled between chunk, impervious carbon is resistance to High temperature fiber flaggy surface uniformly coats the sealant formed provided with impervious carbon curing agent.
A kind of preceding described energy-saving atmosphere controlled heat treatment furnace burner hearth thermal insulation structure, alumina-silicate ceramic fibre chunk It is provided with splicing groove and splicing block, the splicing groove and splicing block of adjacent alumina silicate ceramic fiber block is fitted together to.
A kind of preceding described energy-saving atmosphere controlled heat treatment furnace burner hearth thermal insulation structure, steel plate layer inner side are provided with strip Neck, anti-carburization high temperature-resistant fibrolamellar are provided with card article, and card article is connected in neck, and both cross sectional shapes are dovetail Type.
The beneficial effects of the utility model are:
(1)The thermal conductivity factor of thermostable heat-isolating coating is small in the utility model, can effectively suppress and shield heat radiation And heat transfer, thermostable heat-isolating coating substantially reduce the integral thickness of burner hearth;
(2)The utility model moderate resistance carburizing high-temperature fibre flaggy by suppress alumina-silicate ceramic fibre chunk laying and Into, the heat-insulating capability of furnace lining is on the one hand added significantly to, reduces thermal loss, on the other hand reduces lining thickness, reduction Device outer surface product, reduces manufacturing cost;It is easy to manufacture with ceramic fiber block universal type arrangement, reduces and build the stove time, And it is easy to local maintenance, reduce manufacture and maintenance period;
(3)The utility model light plate layer uses inserting mode with anti-carburization high temperature-resistant fibrolamellar, and connection is more firm, applies Work technique is simple.
Brief description of the drawings
Fig. 1 is chamber structure overall schematic of the present utility model;
Fig. 2 is chamber structure confined explosion of the present utility model schematic diagram;
Wherein:1- steel plate layers;2- thermostable heat-isolating coating layers;3- anti-carburization high temperature-resistant fibrolamellars;4- necks;5- Card article.
Embodiment
A kind of energy-saving atmosphere controlled heat treatment furnace burner hearth thermal insulation structure that the present embodiment provides, structure such as Fig. 1-2 It is shown.
The energy-saving atmosphere controlled heat treatment furnace burner hearth thermal insulation structure includes body of heater, and body of heater is included from outside to inside successively The steel plate layer 1 of connection, thermostable heat-isolating coating layer 2, anti-carburization high temperature-resistant fibrolamellar 3.
Steel plate layer 1 is welded into cylinder by some blocks of steel plates.Thermostable heat-isolating coating layer 2 is by thermal conductivity factor 0.03W/m.K thermostable heat-isolating coating is uniformly brushed and formed, thickness 8mm.The inner side of steel plate layer 1 is provided with strip neck 4, The anti-carburization high temperature-resistant fibrolamellar 3 is provided with card article 5, and the card article 5 is connected in neck 4, and both cross sectional shapes For dove-tail form.
Anti-carburization high temperature-resistant fibrolamellar 3 is spliced by some pieces of alumina-silicate ceramic fibre chunks, and aluminum silicate ceramic is fine Dimension chunk is provided with splicing groove and splicing block, the splicing groove and splicing block of adjacent alumina silicate ceramic fiber block are fitted together to;Chunk it Between be filled with anti-carburization high temperature-resistant fiber, the surface of anti-carburization high temperature-resistant fibrolamellar 3 be provided with impervious carbon curing agent uniformly coating and Into sealant;Alumina-silicate ceramic fibre chunk is formed by the impervious carbon high intensity alumina-silicate ceramic fibre felt compacting of high temperature resistant, thick Spend for 200mm.
In addition to the implementation, the utility model can also have other embodiment;It is all to use equivalent substitution or equivalent change The technical scheme to be formed is changed, all falls within the protection domain of the requires of the utility model.

Claims (6)

1. a kind of energy-saving atmosphere controlled heat treatment furnace burner hearth thermal insulation structure, including body of heater, it is characterised in that:The body of heater Including the steel plate layer being sequentially connected from outside to inside(1), thermostable heat-isolating coating layer(2), anti-carburization high temperature-resistant fibrolamellar (3), the steel plate layer(1)Cylinder, the thermostable heat-isolating coating layer are welded into by some blocks of steel plates(2)Uniformly attachment In steel plate layer(1)Inner surface, the anti-carburization high temperature-resistant fibrolamellar(3)With steel plate layer(1)It is detachably connected.
2. a kind of energy-saving atmosphere controlled heat treatment furnace burner hearth thermal insulation structure according to claim 1, its feature exist In:The thermostable heat-isolating coating layer(2)By the thermostable heat-isolating coating that thermal conductivity factor is 0.02 ~ 0.04W/m.K Uniformly brush and form, thickness is 7 ~ 9mm.
3. a kind of energy-saving atmosphere controlled heat treatment furnace burner hearth thermal insulation structure according to claim 1, its feature exist In:The anti-carburization high temperature-resistant fibrolamellar(3)Formed by the impervious carbon high intensity alumina-silicate ceramic fibre felt compacting of high temperature resistant, it is thick Spend for 190 ~ 210mm.
4. a kind of energy-saving atmosphere controlled heat treatment furnace burner hearth thermal insulation structure according to claim 3, its feature exist In:The anti-carburization high temperature-resistant fibrolamellar(3)It is spliced by some pieces of alumina-silicate ceramic fibre chunks, is filled between chunk There are anti-carburization high temperature-resistant fiber, the anti-carburization high temperature-resistant fibrolamellar(3)Surface be provided with impervious carbon curing agent uniformly coating and Into sealant.
5. a kind of energy-saving atmosphere controlled heat treatment furnace burner hearth thermal insulation structure according to claim 4, its feature exist In:The alumina-silicate ceramic fibre chunk is provided with splicing groove and splicing block, the splicing groove of adjacent alumina silicate ceramic fiber block It is fitted together to splicing block.
6. a kind of energy-saving atmosphere controlled heat treatment furnace burner hearth thermal insulation structure according to claim 1, its feature exist In:The steel plate layer(1)Inner side is provided with strip neck(4), the anti-carburization high temperature-resistant fibrolamellar(3)It is provided with card article(5), The card article(5)It is connected to neck(4)It is interior, and both cross sectional shapes are dove-tail form.
CN201720746650.XU 2017-06-23 2017-06-23 A kind of energy-saving atmosphere controlled heat treatment furnace burner hearth thermal insulation structure Expired - Fee Related CN207095299U (en)

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Application Number Priority Date Filing Date Title
CN201720746650.XU CN207095299U (en) 2017-06-23 2017-06-23 A kind of energy-saving atmosphere controlled heat treatment furnace burner hearth thermal insulation structure

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108707734A (en) * 2018-06-29 2018-10-26 浙江今飞凯达轮毂股份有限公司 Heat-treatment furnace for heat-treatable aluminum alloy workpiece
CN109405556A (en) * 2018-12-27 2019-03-01 西南铝业(集团)有限责任公司 A kind of aluminium melting furnace and its fire door heat screen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108707734A (en) * 2018-06-29 2018-10-26 浙江今飞凯达轮毂股份有限公司 Heat-treatment furnace for heat-treatable aluminum alloy workpiece
CN108707734B (en) * 2018-06-29 2023-12-22 浙江今飞凯达轮毂股份有限公司 Heat treatment furnace for heat treatment of aluminum alloy workpieces
CN109405556A (en) * 2018-12-27 2019-03-01 西南铝业(集团)有限责任公司 A kind of aluminium melting furnace and its fire door heat screen

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Granted publication date: 20180313

Termination date: 20210623