CN207811804U - A kind of shaft furnace of homogeneous heating - Google Patents
A kind of shaft furnace of homogeneous heating Download PDFInfo
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- CN207811804U CN207811804U CN201721922133.XU CN201721922133U CN207811804U CN 207811804 U CN207811804 U CN 207811804U CN 201721922133 U CN201721922133 U CN 201721922133U CN 207811804 U CN207811804 U CN 207811804U
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- gas
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- chamber
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Abstract
The utility model discloses a kind of shaft furnaces of homogeneous heating, including furnace body and bell, the furnace body includes that ecto-entad the thermal insulation separation hot wall, vacuum layer, the gas that set gradually are passed through chamber, heating layer and hot processing chamber, the heating layer is the spiral coil being uniformly looped around outside hot processing chamber, the hot processing chamber upper end is provided with hot gas outlet pipe, the hot gas outlet pipe is connected with exhaust fan, the air outlet of the exhaust fan is passed through chamber upper end with gas and is connected, and the gas is passed through chamber lower end and is provided with the air inlet pipe being connected with hot processing chamber.Scheme provided by the utility model so that the temperature in stove is consistent everywhere, makes worker be easier to carry out control to the temperature of heat treatment of workpieces, improves the performance and quality of workpiece, further increase work-piece throughput.
Description
Technical field
The utility model is related to heat-treatment furnace technical fields, more particularly, to a kind of shaft furnace of homogeneous heating.
Background technology
Heat treatment is one of the important process in process of metal working, can improve the performance of metal material, improves workpiece
Quality.Shaft furnace is periodical furnace, is suitable for bar class, the heat treatment of longaxones parts.The structure of shaft furnace is：Shaft
It is columnar deep-well, workpiece is loaded vertically into stove by Special crane and is heated, one of common equipment of heat treatment process.
Shaft furnace in the prior art when in use, since air heats can rise so that hot-air is easy in shaft furnace
Top is gathered, and is higher than lower section temperature so as to cause temperature above shaft furnace, when leading to same heat treatment of workpieces at upper and lower part
In different temperature so that workpiece quality is impaired, and yield rate reduces；Meanwhile carrying out hot place when being packed into large quantities of workpiece in shaft furnace
When reason, since hot gas is not easy to flow, i.e. the temperature difference of different location is larger, so that at the part heat of different location
When reason under different temperature conditions so that the component of same batch processed, performance and difference in quality are very big；In addition, by
It is generally located in the middle part of furnace body in the temperature measuring equipment of shaft furnace, and the temperature difference at two parts and middle part is very big up and down so that part heat
There are bigger differences with set temperature for the actual temperature of processing, are difficult to control so as to cause heat treatment of workpieces temperature, can not produce
Go out the workpiece of performance stabilization.
Invention content
The utility model provides a kind of shaft furnace of homogeneous heating, is not flowed with solving hot gas in existing shaft furnace stove
Logical, high-temperature gas is easy to be collected above shaft furnace, is heated so as to cause workpiece different parts inconsistent, and workpiece performance is made to decline
The problem of.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is summarized as follows：
A kind of shaft furnace of homogeneous heating, including furnace body and bell, the furnace body include the guarantor that ecto-entad is set gradually
Warm thermal wall, vacuum layer, gas are passed through chamber, heating layer and hot processing chamber, and the heating layer is uniformly to be looped around outside hot processing chamber
Spiral coil, the hot processing chamber upper end is provided with hot gas outlet pipe, and the hot gas outlet pipe is connected with exhaust fan, the exhaust fan
Air outlet be passed through chamber upper end with gas and be connected, the gas is passed through chamber lower end and is provided with the air inlet being connected with hot processing chamber
Pipe.
Further, it is provided with card slot at the top of the furnace body, the bulge loop being adapted with card slot is provided on the bell,
It is provided with seal washer in the card slot, when under bell lid, bulge loop is caught in card slot, and is pressed on seal washer so that convex
It is substantially not present gap between ring and card slot, significantly enhances the leakproofness between bell and furnace body, reduces dissipating for heat
It loses, improves the utilization rate of heat.
Further, the furnace body side is provided with the motor of driving bell left-right rotation, and the motor connection is useful
In the supporting rod of support bell, the supporting rod is disposed through the bearing above motor, and post upper is connected with cantilever, institute
It states and is provided with the driving device that moves up and down of driving bell on cantilever, when needing to put workpiece into, first with driving device by bell
Lift, bell is made to be detached with furnace body, restart motor, drive supporting rod rotation, bell is turned into furnace body side, you can by workpiece
It hangs in furnace body and is heat-treated, when need to close bell, only need reverse operating, this setting makes the folding of bell more
It is convenient.
Further, the driving device is telescopic cylinder or telescopic oil cylinder, and the two starts rapidly, and drive is strong, energy
It is moved up and down well for bell and power is provided.
Further, it is provided with charge basket in the hot processing chamber, several gas supply are provided on four wall of the charge basket
Body by stomata, the setting of charge basket can fill processing chamber cavity wall of getting mildewed in warm conditions to avoid workpiece, extend the service life of shaft furnace, together
Stomata on fashionable dress charging basket makes the gas exchanges in hot processing chamber be unaffected so that workpiece is heated evenly.
Further, it is filled with ceramic fiber cotton layer at the top of the furnace body, between thermal insulation separation hot wall and vacuum layer, made
The heat insulation effect for obtaining furnace body is more preferable, further promotes heat treatment heating efficiency, and reduction heat loss reduces energy consumption.
In conclusion by adopting the above-described technical solution, the utility model has the beneficial effects that：
1. when being heat-treated to workpiece, exhaust fan is opened, the gas of top in hot processing chamber is constantly extracted out, then send
Enter gas to be passed through in chamber, heating layer side is abutted against since gas is passed through chamber so that being passed through gas and being passed through the gas of chamber can receive
To the heat of heating layer, good heating and thermal insulation effect is played to gas so that enter the gas of hot processing chamber bottom from air inlet pipe
Temperature not can decrease for the temperature of hot processing chamber overhead gas, reach temperature one above and below in hot processing chamber
The purpose of cause, while gas is constantly in continuous flow regime, when being put into hot processing chamber compared with multi-work piece, can also make hot gas with
Workpiece comes into full contact with, and makes workpiece can thermally equivalent；
2. gas is passed through gas and is passed through in chamber, heat of the heating layer far from hot processing chamber side can be carried out to fully absorb profit
With increasing the utilization rate of heat, improve the efficiency of heating surface of heating layer, reduce energy loss；
3. being passed through on the outside of chamber in gas and being provided with vacuum layer, scattering and disappearing for gas heat can be greatly reduced so that gas temperature
Higher is spent, preferably workpiece is heated, while vacuum layer cooperates with heat-insulation and heat-preservation wall so that heat can obtain in furnace body
It is preserved to preferable, lifting workpieces thermal treatment quality.
Description of the drawings
Fig. 1 is the utility model furnace structure simplified schematic diagram；
Fig. 2 is the utility model furnace cover structure schematic diagram；
In figure label for：1- furnace bodies, 2- bells, 3- thermal insulation separation hot walls, 4- vacuum layers, 5- gases are passed through chamber, 6- heating layers,
7- hot processing chambers, 8- charge baskets, 9- card slots, 10- hot gas outlet pipes, 11- exhaust fans, 12- air inlet pipe, 13- ceramic fiber cotton layers,
201- bulge loops, 202- motors, 203- bearings, 204- supporting rods, 205- cantilevers, 206- driving devices, 601- spiral coils, 801-
Stomata.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and detailed description.The reality of the utility model
The mode of applying includes but not limited to the following example.
Embodiment 1
As shown in Figure 1 and Figure 2, a kind of shaft furnace of homogeneous heating, including furnace body 1 and bell 2, the furnace body 1 include by outer
Thermal insulation separation hot wall 3, vacuum layer 4, the gas inwardly set gradually is passed through chamber 5, heating layer 6 and hot processing chamber 7, the heating layer 6
To be uniformly looped around the spiral coil 601 outside hot processing chamber 7,7 upper end of the hot processing chamber is provided with hot gas outlet pipe 10, the heat
Gas outlet pipe 10 is connected with exhaust fan 11, and air outlet and the gas of the exhaust fan 11 are passed through 5 upper end of chamber and are connected, and the gas is logical
Enter 5 lower end of chamber and is provided with the air inlet pipe 12 being connected with hot processing chamber 7.
Operation principle：Bell 2 is opened, the workpiece that need to be heat-treated is sent into hot processing chamber 7, bell 2 is sealed,
Start exhaust fan 11, the gas of top in hot processing chamber 7 extract and is sent into gas be passed through in chamber 5, since gas leads to from gas
The top for entering chamber 5 is passed through, therefore gas can be from above to the heat that up to lower section, will be appeared with spiral coil 601 during this
Carry out sufficient heat exchange so that gas temperature is increased, and the gas for completing heat exchange enters hot processing chamber 7 from air inlet pipe 12
Bottom, then diffused to above hot processing chamber 7 from 7 bottom of hot processing chamber, gas will carry out fully during diffusion with workpiece
Heat exchange, there is no dead angles so that workpiece is heated evenly, and the gas for reaching the top of hot processing chamber 7 is taken out by exhaust fan 11 again
Go out and recycled next time, constantly provides heat for workpiece.
Scheme provided in this embodiment can overcome hot gas in traditional shaft furnace stove that cannot circulate, and cause workpiece heated not
Equal problem so that workpiece can fully be heated, and the temperature in stove is consistent everywhere, to be easier the temperature to heat treatment of workpieces
Degree carries out control, improves the performance and quality of workpiece, improves work-piece throughput.
Further, it is filled with ceramic fiber cotton layer between 1 top of the furnace body, thermal insulation separation hot wall 3 and vacuum layer 4
13 so that the heat insulation effect of furnace body 1 is more preferable, further promotes heat treatment heating efficiency, reduces heat loss, reduce energy consumption.
Embodiment 2
It please refers to shown in Fig. 2, is advanced optimized on the basis of a kind of shaft furnace of homogeneous heating described in embodiment 1,
The top of the furnace body 1 is provided with card slot 9, is provided with the bulge loop 201 being adapted with card slot 9 on the bell 2, in the card slot 9
It is provided with seal washer, when under the lid of bell 2, bulge loop 201 is caught in card slot 9, and is pressed on seal washer so that bulge loop 201
It is substantially not present gap between card slot 9, significantly enhances the leakproofness between bell 2 and furnace body 1, reduces dissipating for heat
It loses, improves the utilization rate of heat.
Embodiment 3
It please refers to shown in Fig. 2, is advanced optimized on the basis of a kind of shaft furnace of homogeneous heating described in embodiment 1,
1 side of the furnace body is provided with the motor 202 of driving 2 left-right rotation of bell, and the motor 202, which is connected with, is used to support bell 2
Supporting rod 204, the supporting rod 204 is disposed through the bearing 203 of the top of motor 202, and 204 upper end of supporting rod is connected with outstanding
Arm 205 is provided with the driving device 206 that driving bell 2 moves up and down on the cantilever 205, when needing to put workpiece into, first with
Driving device 206 lifts bell 2, and bell 2 is made to be detached with furnace body 1, restarts motor 202, and supporting rod 204 is driven to rotate, will
Bell 2 turns to 1 side of furnace body, you can hangs in furnace body 1 workpiece and is heat-treated, when need to close bell 2, only needs reverse operating
, this setting makes the folding of bell 2 more convenient.
Further, the driving device 206 is telescopic cylinder or telescopic oil cylinder, and the two starts rapidly, and drive is strong, energy
It is moved up and down well for bell 2 and power is provided.
Embodiment 4
It is advanced optimized on the basis of a kind of shaft furnace of homogeneous heating described in embodiment 1, in the hot processing chamber 7
It is provided with charge basket 8, several stomatas 801 for gas to pass through are provided on 8 four wall of the charge basket, the setting of charge basket 8 can
7 cavity wall of processing chamber of getting mildewed in warm conditions is filled to avoid workpiece, extends the service life of shaft furnace, while the stomata 801 on charge basket 8 is so that warm
Gas exchanges in processing chamber 7 are unaffected so that workpiece is heated evenly.
It is the embodiments of the present invention as described above.The utility model is not limited to the above embodiment, anyone
It should learn the structure change made under the enlightenment of the utility model, it is every that there is same or similar skill with the utility model
Art scheme, each falls within the scope of protection of the utility model.
Claims (6)
1. a kind of shaft furnace of homogeneous heating, including furnace body (1) and bell (2), which is characterized in that the furnace body (1) include by
Thermal insulation separation hot wall (3), vacuum layer (4), the gas set gradually outside to inside is passed through chamber (5), heating layer (6) and hot processing chamber (7),
The heating layer (6) is uniformly to be looped around the spiral coil (601) of hot processing chamber (7) outside, hot processing chamber (7) the upper end setting
There are hot gas outlet pipe (10), the hot gas outlet pipe (10) to be connected with exhaust fan (11), the air outlet and gas of the exhaust fan (11)
It is passed through chamber (5) upper end to be connected, the gas is passed through chamber (5) lower end and is provided with the air inlet pipe being connected with hot processing chamber (7)
(12)。
2. a kind of shaft furnace of homogeneous heating as described in claim 1, which is characterized in that be provided at the top of the furnace body (1)
Card slot (9) is provided with the bulge loop (201) being adapted with card slot (9) on the bell (2), sealing is provided in the card slot (9)
Washer.
3. a kind of shaft furnace of homogeneous heating as described in claim 1, which is characterized in that furnace body (1) side is provided with
The motor (202) of bell (2) left-right rotation, the motor (202) is driven to be connected with the supporting rod for being used to support bell (2)
(204), the supporting rod (204) is disposed through the bearing (203) above motor (202), and supporting rod (204) upper end is connected with
Cantilever (205) is provided with the driving device (206) that driving bell (2) moves up and down on the cantilever (205).
4. a kind of shaft furnace of homogeneous heating as claimed in claim 3, which is characterized in that the driving device (206) is to stretch
Contracting cylinder or telescopic oil cylinder.
5. a kind of shaft furnace of homogeneous heating as described in claim 1, which is characterized in that setting in the hot processing chamber (7)
There is charge basket (8), several stomatas for gas to pass through (801) are provided on (8) four wall of the charge basket.
6. a kind of shaft furnace of homogeneous heating as described in claim 1, which is characterized in that furnace body (1) top, thermal insulation separation
Ceramic fiber cotton layer (13) is filled between hot wall (3) and vacuum layer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721922133.XU CN207811804U (en) | 2017-12-29 | 2017-12-29 | A kind of shaft furnace of homogeneous heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721922133.XU CN207811804U (en) | 2017-12-29 | 2017-12-29 | A kind of shaft furnace of homogeneous heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207811804U true CN207811804U (en) | 2018-09-04 |
Family
ID=63328982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721922133.XU Expired - Fee Related CN207811804U (en) | 2017-12-29 | 2017-12-29 | A kind of shaft furnace of homogeneous heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207811804U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112522500A (en) * | 2020-11-19 | 2021-03-19 | 湖南力方轧辊有限公司 | Pit furnace for heat treatment of working rolls |
-
2017
- 2017-12-29 CN CN201721922133.XU patent/CN207811804U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112522500A (en) * | 2020-11-19 | 2021-03-19 | 湖南力方轧辊有限公司 | Pit furnace for heat treatment of working rolls |
| CN112522500B (en) * | 2020-11-19 | 2023-09-22 | 湖南力方轧辊有限公司 | Pit furnace for heat treatment of working roller |
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| 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: 20180904 Termination date: 20191229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |