CN206768181U - Heat-treatment furnace - Google Patents

Heat-treatment furnace Download PDF

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Publication number
CN206768181U
CN206768181U CN201720350000.3U CN201720350000U CN206768181U CN 206768181 U CN206768181 U CN 206768181U CN 201720350000 U CN201720350000 U CN 201720350000U CN 206768181 U CN206768181 U CN 206768181U
Authority
CN
China
Prior art keywords
heat
insulation layer
furnace shell
furnace
fire door
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201720350000.3U
Other languages
Chinese (zh)
Inventor
李荣川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Guan Nan Wear-Resistant Material Co Ltd
Original Assignee
Hangzhou Guan Nan Wear-Resistant Material Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hangzhou Guan Nan Wear-Resistant Material Co Ltd filed Critical Hangzhou Guan Nan Wear-Resistant Material Co Ltd
Priority to CN201720350000.3U priority Critical patent/CN206768181U/en
Application granted granted Critical
Publication of CN206768181U publication Critical patent/CN206768181U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of heat-treatment furnace, including furnace shell and fire door, the furnace shell is the cylinder cavity body structure that top has opening, and the fire door covers the opening of the furnace shell, forms the first sealing structure;Fin is provided between the roof and annular sidewall of the furnace shell, the fin is set around the side wall uniform intervals of furnace shell, the first heat-insulation layer is provided with the cavity of the furnace shell, first heat-insulation layer is made up of heat-preservation cotton, and first heat-insulation layer abuts the fin and cooperatively forms heat-insulation chamber with the furnace shell;The fire door is provided with the second heat-insulation layer, and second heat-insulation layer is made up of heat-preservation cotton, and second heat-insulation layer is engaged to form second seals structure with the first heat-insulation layer.The utility model is simple in construction, using double-layer sealing structure, ensure that the sealing between furnace shell and fire door, while heat-insulation chamber can have externally distributing for reduction heat energy, improve the heat utilization rate of heat-treatment furnace.

Description

Heat-treatment furnace
Technical field
Firing equipment is the utility model is related to, more particularly to a kind of heat-treatment furnace.
Background technology
Heat-treatment furnace is that heat treatment industry is used more frequently with a kind of Equipment for Heating Processing, is mainly caused using electric current Heating element heater inside resistance furnace gives off heat, so as to realize that workpiece or material to furnace interior heat.State at present Interior existing heat-treatment furnace, such as hardening and tempering furnace, its oven door sealing structure are usually:Fire door both sides are equipped with roller, and body of heater is at front door Both sides are equipped with track, and track lower end is equipped with sloped position block, and locating piece is adjustable up and down, and fire door rolls along two siding tracks, until It is rolled on sloped position block, using the angle of inclination of door weight and locating piece, compresses fire door and realize sealing, but using During, it is found that the sealing effectiveness is bad, partial heat easily distributes at the sealing, while partial heat can also pass through body of heater Dissipate, cause the waste of heat, there is improved space.
Utility model content
The utility model is to overcome above-mentioned defect in the prior art, there is provided one kind has double-layer sealing structure, simultaneously Heat can be effectively prevented outwards to be distributed in itself by furnace shell, so as to improve the heat-treatment furnace of heat utilization rate.
To achieve the above object, the utility model provides a kind of heat-treatment furnace, including furnace shell and fire door, and the furnace shell is top Cylinder cavity body structure of the end with opening, the fire door cover the opening of the furnace shell, form the first sealing structure;
Fin, side wall uniform intervals of the fin around furnace shell are provided between the roof and annular sidewall of the furnace shell Set, the first heat-insulation layer is provided with the cavity of the furnace shell, first heat-insulation layer is made up of heat-preservation cotton, first insulation Layer abuts the fin and cooperatively forms heat-insulation chamber with the furnace shell;
The fire door is provided with the second heat-insulation layer, and second heat-insulation layer is made up of heat-preservation cotton, second heat-insulation layer with First heat-insulation layer is engaged to form second seals structure.
By above-mentioned setting, by double-layer sealing structure, the sealing between furnace shell and fire door is substantially increased, passes through One heat-insulation layer cooperatively forms heat-insulation chamber with furnace shell, so as to effectively prevent heat by conducting outwards radiating, so as to improve heat The utilization rate of energy.
It is further arranged to:The bottom of the furnace shell is provided with the 3rd heat-insulation layer, and the 3rd heat-insulation layer is by insulation cotton Into second heat-insulation layer is arranged on the 3rd heat-insulation layer.
It is further arranged to:Fixed support is provided with 3rd heat-insulation layer, the fixed support is set around furnace shell, Heating component is provided with the fixed support.
It is further arranged to:The center setting of second heat-insulation layer is fluted, and blower fan is provided with the groove.
By above-mentioned setting, blower fan can be by hot-fluid drum to furnace shell bottom, so as to effectively to the material of furnace shell bottom Material is heated.
It is further arranged to:Heat screen, the cylindrical structure setting of heat screen, cylinder are additionally provided with the furnace shell The heat screen of shape is arranged at intervals with fixed support and positioned at the underface of blower fan.
By above-mentioned setting, heat screen plays a part of thermal pathways, can agitate blower fan caused hot-fluid to concentrate to stove The material of shell bottom is heated, so as to improve operating efficiency.
Compared with prior art, the utility model is simple in construction, using double-layer sealing structure, ensure that furnace shell and fire door it Between sealing, while heat-insulation chamber can have lower heat energy externally distribute, improve the heat utilization rate of heat-treatment furnace;Simultaneously By the cooperation of blower fan and heat screen, it can realize that heat is concentrated and the material of bottom is heated, improve operating efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model heat-treatment furnace;
Fig. 2 is that heat-treatment furnace removes the structural representation after heat-insulation layer.
The following drawings mark is being marked thereon with reference to accompanying drawing:
1st, furnace shell;11st, fin;12nd, the first heat-insulation layer;13rd, the 3rd heat-insulation layer;2nd, fire door;21st, the second heat-insulation layer;211、 Groove;3rd, blower fan;31st, motor;4th, fixed support;41st, heating component;5th, heat screen.
Embodiment
Below in conjunction with the accompanying drawings, an embodiment of the present utility model is described in detail, it is to be understood that this The protection domain of utility model is not limited by embodiment.
As depicted in figs. 1 and 2, including furnace shell 1 and fire door 2, the furnace shell 1 have the utility model heat-treatment furnace for top The cylinder cavity body structure of opening, the fire door 2 cover the opening of the furnace shell 1, form the first sealing structure;The furnace shell 1 Roof and annular sidewall between be provided with fin 11, the fin 11 is set around the side wall uniform intervals of furnace shell 1, the stove The first heat-insulation layer 12 is provided with the cavity of shell 1, first heat-insulation layer 12 is made up of heat-preservation cotton, and first heat-insulation layer 12 supports Connect the fin 11 and cooperatively form heat-insulation chamber with the furnace shell 1, the bottom of the furnace shell 1 is provided with the 3rd heat-insulation layer 13, institute State the 3rd heat-insulation layer 13 to be made up of heat-preservation cotton, second heat-insulation layer 21 is arranged on the 3rd heat-insulation layer 13, and the described firstth protects The warm heat-insulation layer 13 of layer 12 and the 3rd coordinates the inner chamber for covering furnace shell 1, improves the heat insulation effect of furnace shell 1;The fire door 2 is set There is the second heat-insulation layer 21, second heat-insulation layer 21 is made up of heat-preservation cotton, second heat-insulation layer 21 and the phase of the first heat-insulation layer 12 Cooperatively form second seals structure;By double-layer sealing structure, the sealing effectiveness between furnace shell 1 and fire door 2 is effectively increased, together When form heat-insulation chamber between the first heat-insulation layer 12 and furnace shell 1, can effectively avoid heat from outwards being distributed by heat transfer, So as to improve the utilization rate of heat energy.
As depicted in figs. 1 and 2, fixed support 4 is provided with the 3rd heat-insulation layer 13, the fixed support 4 is around stove Shell 1 is set, and heating component 41 is provided with the fixed support 4;The center of second heat-insulation layer 21 sets fluted 211, blower fan 3 is provided with the groove 211, and the outside of the fire door 2 is provided with motor 31, and the output shaft of the motor 31 is worn Cross fire door 2 to be fixedly connected with blower fan 3, for driving blower fan 3 to rotate;Heat screen 5 is additionally provided with the furnace shell 1, it is described heat-insulated Shield 5 cylindrical structure settings, the columnar heat screen 5 and fixed support 4 be arranged at intervals and positioned at blower fan 3 just under Side;By above-mentioned setting, motor 31 drives blower fan 3 to rotate, so as to which blower fan 3 agitates air-flow to move downward, so as in opening shape Into normal pressure area, air-tight structure is formed, hot-fluid can be avoided to be overflowed from opening, while fan can agitate air-flow drive to add Hot component 41 heats caused heat and moved downward along the passage that heat screen 5 is formed, and concentrates material of the heat to the bottom of furnace shell 1 Heated, so as to improve heat treatment efficiency, improve operating efficiency.
Compared with prior art, the utility model is simple in construction, by double-layer sealing structure, effectively increases furnace shell and stove Sealing effectiveness between door, while heat-insulation chamber is formed between the first heat-insulation layer and furnace shell, effectively heat can be avoided to pass through heat Conduction is outwards distributed, so as to improve the utilization rate of heat energy;Furthermore blower fan is driven to rotate by motor, so as to which blower fan rouses Stream of taking offence moves downward, and so as to form normal pressure area in opening, forms air-tight structure, hot-fluid can be avoided to be overflow from opening Go out, improve the sealing between fire door and furnace shell;Fan can agitate air-flow to drive heat caused by heating component heating suitable The passage for heat screen formation moves downward, and concentrates heat to heat the material of furnace shell bottom, so as to improve heat treatment Efficiency, improve operating efficiency.
Disclosed above is only embodiment of the present utility model, and still, the utility model is not limited to this, any ability What the technical staff in domain can think change should all fall into the scope of protection of the utility model.

Claims (5)

1. a kind of heat-treatment furnace, it is characterised in that including furnace shell and fire door, the furnace shell is the cylinder body cavity that top has opening Body structure, the fire door cover the opening of the furnace shell, form the first sealing structure;
Fin is provided between the roof and annular sidewall of the furnace shell, the fin is set around the side wall uniform intervals of furnace shell Put, the first heat-insulation layer is provided with the cavity of the furnace shell, first heat-insulation layer is made up of heat-preservation cotton, first heat-insulation layer Abut the fin and cooperatively form heat-insulation chamber with the furnace shell;
The fire door is provided with the second heat-insulation layer, and second heat-insulation layer is made up of heat-preservation cotton, second heat-insulation layer and first Heat-insulation layer is engaged to form second seals structure.
2. heat-treatment furnace according to claim 1, it is characterised in that the bottom of the furnace shell is provided with the 3rd heat-insulation layer, 3rd heat-insulation layer is made up of heat-preservation cotton, and second heat-insulation layer is arranged on the 3rd heat-insulation layer.
3. heat-treatment furnace according to claim 2, it is characterised in that fixed support is provided with the 3rd heat-insulation layer, The fixed support is set around furnace shell, and heating component is provided with the fixed support.
4. according to the heat-treatment furnace described in claim 1 or 2 or 3, it is characterised in that the centre bit of second heat-insulation layer installs Groove is equipped with, blower fan is provided with the groove.
5. heat-treatment furnace according to claim 4, it is characterised in that be additionally provided with heat screen in the furnace shell, it is described every The cylindrical structure setting of heat shielding, the columnar heat screen are arranged at intervals with fixed support and positioned at the underfaces of blower fan.
CN201720350000.3U 2017-04-05 2017-04-05 Heat-treatment furnace Expired - Fee Related CN206768181U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720350000.3U CN206768181U (en) 2017-04-05 2017-04-05 Heat-treatment furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720350000.3U CN206768181U (en) 2017-04-05 2017-04-05 Heat-treatment furnace

Publications (1)

Publication Number Publication Date
CN206768181U true CN206768181U (en) 2017-12-19

Family

ID=60630846

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720350000.3U Expired - Fee Related CN206768181U (en) 2017-04-05 2017-04-05 Heat-treatment furnace

Country Status (1)

Country Link
CN (1) CN206768181U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20171219

Termination date: 20190405

CF01 Termination of patent right due to non-payment of annual fee