CN208995547U - Continuous-type furnace - Google Patents
Continuous-type furnace Download PDFInfo
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- CN208995547U CN208995547U CN201821686542.9U CN201821686542U CN208995547U CN 208995547 U CN208995547 U CN 208995547U CN 201821686542 U CN201821686542 U CN 201821686542U CN 208995547 U CN208995547 U CN 208995547U
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Abstract
A kind of continuous-type furnace (1) for the heat treatment carrying out treated object, which is characterized in that have: furnace body (2), in the internal heat treatment for carrying out the treated object;Supply unit (3), by the treated object via being conveyed in the furnace body;And heating unit, the temperature of the atmosphere of the furnace interior is set to be higher than the temperature of outside air, the heating unit has the top heating unit (14) configured in the top of the furnace body and/or configuration in the lower heating unit (24) of the lower section of the furnace body, and configuration is also equipped in the side heating unit (34) of the side of the furnace body, it includes heating part that the side heating unit, which has, non- heating part and the heater air flow pressure switch rod for the bending section for linking the heating part and the non-heating part, the heating part is configured in the furnace interior along the side wall of the furnace body, the non-heating part is configured to that the heat-insulating material perforation of the furnace wall of the furnace body will be formed from the both ends of the heating part.
Description
Technical field
The utility model relates to continuous-type furnaces.
Background technique
In the past, it is known that the continuous-type furnaces such as roller bottom furnace.For such continuous-type furnace, usually using height
For the saggar of 80~150 ㎜ or so, but in the case where the saggar that will be filled with treated object carries out multiple-level stack, upper and lower level
Saggar and middle layer saggar in product temperature difference it is larger, can have an impact to product quality, thus saggar carry out two layer heaps
Folded has been the limit.
Utility model content
The purpose of the utility model is to provide one kind can drop in the case where saggar is carried out multiple-level stack
The continuous-type furnace of the generation of temperature difference caused by the configuration of low saggar.
In order to solve the above problems, the continuous-type furnace that the first method of the utility model is related to be it is a kind of progress located
The continuous-type furnace (1) for managing the heat treatment of object, has:
Furnace body (2), in the internal heat treatment for carrying out the treated object;
Supply unit (3), by the treated object via being conveyed in the furnace body;With
Heating unit makes the temperature of the atmosphere of the furnace interior be higher than the temperature of outside air,
There is the heating unit configuration to exist in the top heating unit (14) of the top of the furnace body and/or configuration
The lower heating unit (24) of the lower section of the furnace body, and also have configuration in the side heating unit of the side of the furnace body
(34),
The side heating unit has including heating part (103), non-heating part (104) and by the heating part
(103) heater air flow pressure switch rod (101) of the bending section (102) linked with the non-heating part (104), the heating part is in institute
It states furnace interior to be configured along the side wall of the furnace body, the non-heating part is configured to shape from the both ends of the heating part
At the heat-insulating material perforation of the furnace wall of the furnace body.
The second method of the utility model is characterized in that, in the continuous-type furnace of first method,
The non-heating part is configured to that the heat-insulating material perforation of the side wall of the furnace body will be formed,
Be provided with the side wall (21) of the furnace body of the side heating unit it is independent from other side walls (20) and with the side
Heating unit is formed together side heating component,
The side heating component is from the furnace body disassembled and assembled freely.
The Third Way of the utility model is characterized in that, in the continuous-type furnace of second method,
Multiple block-like heat-insulating materials are laminated and are formed by the side wall for the furnace body for including in the side heating component, pass through
The quantity and/or thickness in the heat-insulating material of the heater air flow pressure switch rod configured up and down are adjusted, it is described so as to adjust
The setting position of the furnace body short transverse of heater air flow pressure switch rod.
The fourth way of the utility model is characterized in that, in the continuous-type furnace of first method,
The length direction of the heating part of the heater air flow pressure switch rod is configured along the short transverse (Z) of the furnace body.
5th mode of the utility model is characterized in that, in the continuous-type furnace of first method,
The length direction of the heating part of the heater air flow pressure switch rod is configured along the conveying direction (X) of the furnace body.
6th mode of the utility model is characterized in that, in the continuous-type furnace of first method,
Short transverse and conveying direction of the length direction of the heating part of the heater air flow pressure switch rod relative to the furnace body
Obliquely configure.
Utility model effect
In the case where saggar is carried out multiple-level stack, although there is adding for the saggar in the middle position in short transverse
The insufficient situation of heat, but by also configuring side other than top heating unit and/or lower heating unit
Heating unit, so as to make up middle position saggar heating.
Detailed description of the invention
Fig. 1 be from positive direction the utility model relates to roller bottom furnace schematic sectional view.
Fig. 2 is the schematic sectional view observed from the side.
Fig. 3 is the schematic sectional view of the side heating component of the roller bottom furnace from upper direction.
Fig. 4 is the schematic sectional view for observing the side heating component of the roller bottom furnace from the side.
Specific embodiment
The continuous furnace involved in the utility model is illustrated by taking roller bottom furnace 1 as an example.Roller bottom furnace 1 be
The heat-treating apparatus to treated object is carried out while conveying to the saggar S filled with treated object.Roller bottom furnace 1 has
It is standby: furnace body 2, in the internal heat treatment for carrying out treated object;As the conveying roller 3 of supply unit, located via conveying in furnace body 2
Manage object;Heating unit makes the temperature of the atmosphere inside furnace body 2 be higher than the temperature of outside air;And upper gas exhaust unit
17, it is configured at the upper surface of furnace body 2, from the interior discharge gas of furnace body 2.
Heating unit has configuration in the top of furnace body 2 as the upper portion heater 14 of top heating unit and configuration
The lower heater 24 as lower heating unit in the lower section of furnace body 2, and also have configuration in the work of the side of furnace body 2
For the side heater 34 of side heating unit.Side heater 34 is on the short transverse Z of furnace body 2, and at least part of it is matched
It sets the lower section in upper portion heater 14 and configures in the top of conveying roller 3.
Side heater 34 has including heating part 103, non-heating part 104 and by heating part 103 and non-heating part 104
The heater air flow pressure switch rod 101 of the bending section 102 linked, also, heating part 103 inside furnace body 2 along the side wall of furnace body 2 into
Row configuration, the heat-insulating material that non-heating part 104 is configured as to be formed the side wall of furnace body 2 from the both ends of heating part 103 penetrate through.Separately
Outside, in the present embodiment, the example for configuring the side wall of the non-perforation of heating part 104 furnace body 2 is shown, but can also be made
The other parts of the furnace walls such as its top for penetrating through furnace body 2.
It is wide as the furnace body orthogonal with conveying direction X that upper portion heater 14 and lower heater 24 are configured to longitudinal direction
Direction Y is spent, and along conveying direction X configured with multiple.Upper portion heater 14, lower heater 24 and side heater 34 are used
It is heated in the atmosphere to treated object, processing space in the saggar S passed through in processing space, such as is configured to SiC
The ceramic heaters such as heater.In addition, top heating unit and lower heating unit are not limited to heater, as long as gas
Burner etc. is able to carry out the heating device of the heat treatment of treated object.
It is higher than the saggar of 150mm the case where the common saggar that height is 80~150mm is stacked three layers or by height
In the case where stacking two layers, there is a situation where that the heating of the saggar in the middle position in short transverse is insufficient, but according to this
The roller bottom furnace 1 that utility model is related to, by also configuring side heater other than upper portion heater 14, lower heater 24
34, so as to make up the heating of saggar S in an intermediate position.
In addition, in the existing continuous furnace for not having side heater 34, since furnace is compared in the heat dissipation from side wall
The other parts of body are big, and the temperature decline of the especially middle position of short transverse is larger, therefore in order to prevent this situation,
The influence or drop for needing to expand the transverse width of furnace body to increase the distance from side wall to saggar to reduce from the heat dissipation of side wall
The height of low furnace body.According to the utility model relates to roller bottom furnace 1, due to the limitation in not such Proper Design,
Freedom degree in Proper Design improves.
Furnace body 2 is created as the insulated structure of approximately cuboid, comprising: as internal space processing space and
The front end face and rear end face and the entrance 2a and outlet 2b that become externally to processing space for being respectively formed in furnace body 2 are opened
Mouthful.Roller bottom furnace 1 passes through upper divider walls 18 and lower divider walls from the side entrance 2a in the left side of Fig. 2 to the outlet 2b on right side
28 and be greatly classified into heating region 21, firing region 22, cooled region 23.
In the processing space of furnace body 2, it is configured with multiple conveying rollers 3.It is wide as furnace body that conveying roller 3 is configured to longitudinal direction
Direction Y is spent, and along conveying direction X configured with multiple.The not shown driving device of conveying roller 3 carries out rotation driving.In addition,
In the present embodiment, it shows in the following example, that is, saggar S is arranged into four and vertical stack on furnace body width direction Y
Four layers.
Upper gas exhaust unit 17 is configured on the width direction Y of furnace body 2 there are three more than.Upper gas exhaust unit
17 with upper air vent 71, exhaust flow path 72 and capacity adjustment slidingtypes damper 73 and with exhaust flow path 72
The getter device (not shown) of connection.
In addition, as shown in Fig. 2, upper gas exhaust unit 17 is preferably on the conveying direction X of furnace body 2 configured with multiple.
It, can be according to the pre- of roller bottom furnace 1 due to being configured with multiple upper gas exhaust units 17 on the conveying direction X of furnace body 2
Each regions such as thermal region 21, heating region 22, cooled region 23, according to capacity needed for each region by the gas in furnace body 2
It is accurately and efficiently discharged into outside furnace body 2.
In addition, roller bottom furnace 1 is also equipped with lower gas exhaust unit 27, lower gas exhaust unit 27 is configured at furnace body 2
Lower surface, from the interior discharge gas of furnace body 2.Lower gas exhaust unit 27 has lower exhaust port 75 and exhaust stream
Road 76 and the getter device being connect with exhaust flow path 76 (not shown).By the way that lower gas exhaust unit 27 is arranged, so as to
Enough become much larger the flowing of the gas in furnace body 2, additionally it is possible to obtain the mixing effect of the gas in furnace body 2, therefore energy
Enough inhibit the temperature difference between each saggar S.
Here, lower gas exhaust unit 27 is preferably on the width direction Y of furnace body 2 configured with multiple.It is more by being arranged
A lower gas exhaust unit 27, so as to uniformly and more efficiently the gas in furnace body 2 is discharged into outside furnace body 2, therefore
Even if being also able to suppress the gas between each saggar S in the case where the saggar S that will be filled with treated object is set as multiple-level stack
The deviation of capacity will be more uniformly discharged to outside furnace body 2 due to heating from the gas that treated object generates.
In addition, roller bottom furnace 1 is configured with multiple lower gas exhaust units 27 on the conveying direction X of furnace body 2.Due in furnace
On the conveying direction X of body 2 be configured with multiple lower gas exhaust units 27, therefore can according to roller bottom furnace 1 preheated zone 21,
Each regions such as heating region 22, cooled region 23, it is according to capacity needed for each region that the gas in furnace body 2 is appropriate and efficient
Ground is discharged into outside furnace body 2.
In addition, the setting position of upper gas exhaust unit 17 and lower gas exhaust unit 27 is preferably with respect to passing through
The vertical line L at the center of furnace body width direction Y is bilateral symmetry.According to this structure, it can be controlled on furnace body width direction Y
Distribute evenly gas.
In addition, roller bottom furnace 1 has the lower part spray nozzle of the gas supply 25 as lower gas feed unit, the lower part spray nozzle of the gas supply 25
Configuration supplies the inert gas conduct such as atmosphere or oxygen or nitrogen from the lower section of furnace body 2 near conveying roller 3 upwards
Atmosphere gas.Lower part spray nozzle of the gas supply 25 is on the width direction Y of furnace body 2 configured with multiple.
In addition, the pyroconductivity of lower part spray nozzle of the gas supply 5 is preferably 100W/mK or more, for example, as lower part spray nozzle of the gas supply
5 and be able to use SiC.The material of high thermoconductivity is used, and as lower part spray nozzle of the gas supply 5 so as to more effectively make
The temperature of the gas inside furnace body 2 is supplied to close to the temperature inside furnace body 2.
As existing continuous furnace without the continuous furnace of lower part spray nozzle of the gas supply, due in casket
The flow velocity of gas is small near alms bowl, and gas readily flows to the big position in space, therefore cannot efficiently carry out between saggar
The gas in gap supplies, but by using lower part spray nozzle of the gas supply 25 near conveying roller 3 supply gas upward, thus
Even if also can fully supply gas between saggar S in the case where the saggar S that will be filled with treated object is set as multiple-level stack
Body is furthermore possible to effectively stir the gas in furnace body 2, and is discharged to outside furnace body 2.
In addition, in the present embodiment, the upper end configuration of lower part spray nozzle of the gas supply 25 the upper surface away from conveying roller 3 on the lower
Position within 100mm.By the way that the distance from the upper surface of conveying roller 3 to the upper end of lower part spray nozzle of the gas supply 25 is set as the range
It is interior, so as to will be more reliably supplied between saggar S from the gas that lower part spray nozzle of the gas supply 25 supplies.It is supplied as lower gas
Preferably there is the nozzle of the tubulose of opening in front end, but can also on the basis of controlling flow velocity, the direction of gas to unit
To be other shapes.
In addition, roller bottom furnace 1, at least one region of the above-mentioned zone 21,22,23 of furnace body 2, upper gas discharge is single
Member 17 and/or the configuration of lower gas exhaust unit 27 are in the upstream side of lower part spray nozzle of the gas supply 25.Lower part is configured in this way
Spray nozzle of the gas supply 25 and upper gas exhaust unit 17 and/or lower gas exhaust unit 27, so as to improve in furnace body 2
Gas mixing effect, can more effectively control the intracorporal temperature of furnace, atmosphere, and can more efficiently will be from being burnt into
The gas that object generates is discharged to outside furnace body 2.
In addition, as shown in Figure 3, Figure 4, the side wall 21 for being provided with the furnace body 2 of side heater 34 is independent from other side walls 20
And side heating component 100 is together formed with side heater 34, side heating component 100 is from 2 disassembled and assembled freely of furnace body.Because
Side heater 34 is componentized and from 2 disassembled and assembled freely of furnace body like this, so the replacement of side heater 34, adjustment become to hold
Easily.In addition, in the present embodiment, in cooled region 23, removing side heating component 100 and being mounted with that not having side adds
The component of hot device 34.
In addition, as shown in figure 4, the side wall 20 for the furnace body for including in side heating component 100 is by multiple block-like heat insulating materials
Material B is laminated and is formed, by adjusting in the quantity and/or thickness of the heat-insulating material B of heater air flow pressure switch rod 101 configured up and down
Degree, so as to adjust heater air flow pressure switch rod 101 2 short transverse Z of furnace body setting position.Because can adjust like this rodlike
The setting position of the short transverse Z of the furnace body of heater 101, so being easier to control the Temperature Distribution in furnace body 2.
In addition, in the roller bottom furnace 1 involved in present embodiment, the length direction of the heating part 103 of heater air flow pressure switch rod 101
It is configured along the short transverse Z of furnace body.Configure in this way, so as to more effectively make up furnace body 2 adjacent sidewalls furnace
The heating of the short transverse Z of body, and the deviation for the heating being able to suppress in the short transverse for the treated object being continuously conveyed.
In addition it is also possible to the length direction of the heating part 103 along conveying direction X configuration heater air flow pressure switch rod 101.Pass through this
Sample configuration, can more effectively make up the heating of the conveying direction X of the adjacent sidewalls of furnace body 2, and is able to suppress and is continuously conveyed
The deviation of heating on the direction of travel of treated object.
In addition it is also possible to make the length direction of the heating part 103 of heater air flow pressure switch rod 101 relative to the short transverse Z of furnace body
And conveying direction X is obliquely configured.It configures in this way, can more effectively make up the furnace body of the adjacent sidewalls of furnace body 2
The heating of short transverse Z and conveying direction X.
Claims (6)
1. a kind of continuous-type furnace (1), carries out the heat treatment of treated object, which is characterized in that have:
Furnace body (2), in the internal heat treatment for carrying out the treated object;
Supply unit (3), by the treated object via being conveyed in the furnace body;With
Heating unit makes the temperature of the atmosphere of the furnace interior be higher than the temperature of outside air,
The heating unit has configuration in the top heating unit (14) of the top of the furnace body and/or configuration described
The lower heating unit (24) of the lower section of furnace body, and also have configuration in the side heating unit of the side of the furnace body
(34),
The side heating unit have including heating part (103), non-heating part (104) and by the heating part (103) with
The heater air flow pressure switch rod (101) for the bending section (102) that the non-heating part (104) is linked, the heating part is in the furnace body
Inside is configured along the side wall of the furnace body, and the non-heating part is configured to will be described in formation from the both ends of the heating part
The heat-insulating material of the furnace wall of furnace body penetrates through.
2. continuous-type furnace according to claim 1, which is characterized in that
The non-heating part is configured to that the heat-insulating material perforation of the side wall of the furnace body will be formed,
The side wall (21) for being provided with the furnace body of the side heating unit is independently heated with the side from other side walls (20)
Unit is formed together side heating component,
The side heating component is from the furnace body disassembled and assembled freely.
3. continuous-type furnace (1) according to claim 2, which is characterized in that
Multiple block-like heat-insulating materials are laminated and are formed by the side wall for the furnace body for including in the side heating component, by adjusting
It is described rodlike so as to adjust in the quantity and/or thickness of the heat-insulating material of the heater air flow pressure switch rod configured up and down
The setting position of the furnace body short transverse of heater.
4. continuous-type furnace according to claim 1, which is characterized in that
The length direction of the heating part of the heater air flow pressure switch rod is configured along the short transverse (Z) of the furnace body.
5. continuous-type furnace according to claim 1, which is characterized in that
The length direction of the heating part of the heater air flow pressure switch rod is configured along the conveying direction (X) of the furnace body.
6. continuous-type furnace according to claim 1, which is characterized in that
The length direction of the heating part of the heater air flow pressure switch rod is tilted relative to the short transverse and conveying direction of the furnace body
Ground configuration.
Priority Applications (1)
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CN201821686542.9U CN208995547U (en) | 2018-10-18 | 2018-10-18 | Continuous-type furnace |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821686542.9U CN208995547U (en) | 2018-10-18 | 2018-10-18 | Continuous-type furnace |
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ID=66804168
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CN201821686542.9U Active CN208995547U (en) | 2018-10-18 | 2018-10-18 | Continuous-type furnace |
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2018
- 2018-10-18 CN CN201821686542.9U patent/CN208995547U/en active Active
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