CN214223726U - Temperature-controllable large-capacity resistance furnace box - Google Patents
Temperature-controllable large-capacity resistance furnace box Download PDFInfo
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- CN214223726U CN214223726U CN202022823264.0U CN202022823264U CN214223726U CN 214223726 U CN214223726 U CN 214223726U CN 202022823264 U CN202022823264 U CN 202022823264U CN 214223726 U CN214223726 U CN 214223726U
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- resistance furnace
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Abstract
The utility model relates to a controllable large capacity resistance furnace case of temperature, including resistance furnace outer shell, resistance furnace inner shell, controller, be equipped with the insulating layer between resistance furnace inner shell and the resistance furnace outer shell, a plurality of electric heating element of resistance furnace inner shell lateral wall, roof and end wall mounting, multilayer work piece rack has been placed to resistance furnace inner shell inside, resistance furnace outer shell top is equipped with the comdenstion water circulation mechanism, resistance furnace inner shell top is equipped with snakelike condenser pipe, the comdenstion water circulation mechanism is connected with snakelike condenser pipe through the pipeline, resistance furnace inner shell fixedly connected with temperature sensor, comdenstion water circulation mechanism and a plurality of electric heating element are connected with the controller. The electric heating element in the resistance furnace box is reasonable in arrangement, workpieces are heated uniformly in the heat treatment process, and the cooling rate in the furnace is controllable after the heat treatment is finished.
Description
Technical Field
The utility model relates to a resistance furnace equipment field, concretely relates to work piece is heated evenly, and the interior cooling of stove is controllable, the resistance furnace case of the big batch processing work piece.
Background
The resistance furnace is a general heating device, and can be classified into a box furnace, a tube furnace, a crucible furnace, and the like according to the appearance shape. The electric resistance furnace is operated by heating a workpiece or material by an electric heating element or a heating medium in the furnace using an electric current, and is mainly used for hot metal working, heat treatment of industrial workpieces, hot working of small workpieces, and the like in the field of machine industry.
The existing resistance furnace box mainly has the following problems in the heat treatment process of workpieces: (1) the electric heating element is directly arranged on the furnace chamber wall of the resistance furnace, so that the external environment temperature of the resistance furnace is higher, the heat loss is large, and workers are easy to burn; (2) the arrangement of the electric heating elements in the resistance furnace is unreasonable, so that the workpiece is heated unevenly and the heat treatment effect is poor; (3) in the heat treatment process of the workpiece, the temperature of the electric heating element is increased too fast, and the workpiece is heated unevenly; after the heat treatment of the workpiece is finished, the natural cooling rate in the furnace is slow, so that the production and processing efficiency is low.
Disclosure of Invention
Based on the defect that above-mentioned current resistance furnace case structural design and temperature control exist, the utility model aims to solve the technical problem that an electric heating element is provided and is arranged rationally, and the work piece thermal treatment is heated evenly, and after the thermal treatment, the controllable resistance furnace case of the interior cooling rate of stove.
The utility model provides a technical scheme that above-mentioned technical problem adopted is: a temperature-controllable high-capacity resistance furnace box comprises a resistance furnace outer shell, a resistance furnace inner shell and a controller; the resistance furnace is characterized in that a heat insulation layer is arranged between the inner shell of the resistance furnace and the outer shell of the resistance furnace, a plurality of electric heating elements are installed on the side wall, the top wall and the bottom wall of the inner shell of the resistance furnace, a plurality of layers of workpiece placing frames are placed inside the inner shell of the resistance furnace, a condensate water circulating mechanism is arranged at the top of the outer shell of the resistance furnace, a snake-shaped condenser pipe is arranged at the top of the inner shell of the resistance furnace, the condensate water circulating mechanism is connected with the snake-shaped condenser pipe through a pipeline, a temperature sensor is fixedly connected with the inner shell of the resistance furnace, and the temperature sensor, the condensate water circulating mechanism and the plurality of electric heating elements are connected with a controller.
In the scheme, the multilayer workpiece placing rack and the resistance furnace box are arranged in a split mode. In the using process, the multilayer workpiece placing rack can be placed into a furnace, and then the workpieces are sequentially placed on the rack body; the workpieces can be placed on the workpiece placing rack in sequence in advance, and after the resistance furnace is preheated to a certain temperature, the placing rack fully loaded with the workpieces is placed into the furnace.
Further, the first electromagnetic valve and the second electromagnetic valve are flow regulating electromagnetic valves.
Further, the condensed water circulating mechanism comprises a circulating water pump, a refrigerator and a water storage tank which are arranged at the top of the resistance furnace shell and sequentially connected through pipelines, the water storage tank is connected with the water outlet end of the snakelike condenser pipe, the circulating water pump is connected with the water inlet end of the snakelike condenser pipe, a first electromagnetic valve is arranged on the pipeline where the circulating water pump is connected with the snakelike condenser pipe, a second electromagnetic valve is arranged on the pipeline where the water storage tank is connected with the snakelike condenser pipe, and the first electromagnetic valve, the second electromagnetic valve, the circulating water pump and the refrigerator are connected with the controller.
Preferably, a plurality of the electric heating elements are fixedly connected with the inner shell of the resistance furnace through two connecting columns.
Furthermore, a resistance furnace door is hinged on the resistance furnace box body, and a handle is arranged on the resistance furnace door.
Preferably, the furnace door of the resistance furnace is also provided with a start-stop button, a temperature adjusting knob and a display screen which are connected with the controller.
Preferably, the bottom of the box body of the resistance furnace box is provided with a moving mechanism.
Furthermore, the moving mechanism is four rolling wheels arranged at the bottom of the box body of the resistance furnace box.
Compared with the prior art, the utility model have following advantage and effect:
1. controllable large capacity resistance furnace case of temperature carries out the hot working to the work piece simultaneously through installing a plurality of electric heating element respectively on the lateral wall of resistance furnace inner shell, roof and diapire, in work piece thermal treatment process, distributes in bottom, top and front and back, the left and right sides of work piece, and processing temperature distributes evenly, and thermal treatment is effectual.
2. Controllable large capacity resistance furnace case of temperature through place the multilayer work piece rack of independent design in resistance furnace incasement, can realize the thermal treatment of big batch work piece, after handling, can directly take out multilayer work piece rack is whole, has avoided needing to take out the work piece in proper order, carries out the loaded down with trivial details of arranging again.
3. The temperature-controllable large-capacity resistance furnace box of the utility model controls the heating power of a plurality of electric heating elements through the controller in the heat treatment process of the workpiece, realizes uniform temperature rise in the furnace, and avoids the influence on the workpiece caused by too fast temperature rise; when the workpiece needs to be cooled after heat treatment, the valve opening of the first electromagnetic valve is controlled by the controller, the liquid flow and the flow speed in the snake-shaped condensation pipe are changed, slow cooling is realized at a reasonable cooling rate, and the influence on the quality performance of the workpiece caused by too fast cooling is avoided.
4. Controllable large capacity resistance furnace case of temperature has guaranteed that the work piece is in a suitable stove internal temperature all the time, and the thermal treatment of work piece is effectual, and the quality can be high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic structural view of a large-capacity resistance furnace box with controllable temperature according to an embodiment of the present invention
Fig. 2 is a schematic view of a three-dimensional structure of a large-capacity resistance furnace box with controllable temperature according to an embodiment of the present invention.
Description of reference numerals: 1. a resistance furnace outer shell; 2. a thermal insulation layer; 3. an inner shell of the resistance furnace; 4. an electrical heating element; 41. connecting columns; 5. a multilayer workpiece placing rack; 6. a temperature sensor; 7. a serpentine condenser tube; 8. a first solenoid valve; 9. a second solenoid valve; 10. a water circulating pump; 11. a refrigerator; 12. a water storage tank; 13. a resistance furnace door; 14. a start-stop button; 15. a display screen; 16. a temperature adjusting knob; 17. a handle; 18. a rolling wheel.
Detailed Description
The present invention will be described in further detail with reference to the following examples, which are illustrative of the present invention and are not intended to limit the present invention.
Example 1: as shown in fig. 1 to 2, a temperature-controllable large-capacity resistance furnace box comprises a resistance furnace outer shell 1, a resistance furnace inner shell 3 and a controller, wherein a heat insulation layer 2 is arranged between the resistance furnace inner shell 3 and the resistance furnace outer shell 1, a plurality of electric heating elements 4 are arranged on the left side wall, the right side wall, the rear side wall, the top wall and the bottom wall of the resistance furnace inner shell 3, a multilayer workpiece placing frame 5 is placed inside the resistance furnace inner shell 3, a condensate water circulating mechanism is arranged at the top of the resistance furnace outer shell 1, a serpentine condenser pipe 7 is arranged at the top of the resistance furnace inner shell 3, the condensate water circulating mechanism is connected with the serpentine condenser pipe 7 through a pipeline, the resistance furnace inner shell 3 is fixedly connected with a temperature sensor 6, and the temperature sensor 6, the condensate water circulating mechanism and the plurality of electric heating elements 4 are connected with the controller.
Specifically, in this embodiment 1, the condensed water circulating mechanism includes a circulating water pump 10, a refrigerator 11, and a water storage tank 12, which are sequentially connected to the top of the resistance furnace housing 1 through a pipeline, the water storage tank 12 is connected to a water outlet end of the serpentine condenser pipe 7, the circulating water pump 10 is connected to a water inlet end of the serpentine condenser pipe 7, a first electromagnetic valve 8 is disposed on a pipeline connecting the circulating water pump 10 and the serpentine condenser pipe 7, a second electromagnetic valve 9 is disposed on a pipeline connecting the water storage tank 12 and the serpentine condenser pipe 7, and the first electromagnetic valve 8, the second electromagnetic valve 9, the circulating water pump 10, and the refrigerator 11 are all connected to the controller.
Further, in this embodiment 1, the resistance furnace door 13 is hinged to the resistance furnace box body, the handle 17, the start-stop button 14, the temperature adjusting knob 16 and the display screen 15 are arranged on the resistance furnace door 13, and the start-stop button 14, the temperature adjusting knob 16 and the display screen 15 are electrically connected to the controller.
In the embodiment 1, the second electromagnetic valve 9 has the function of separating the cooling liquid in the serpentine condenser pipe 7 and the cooling liquid in the water storage tank 12; on the other hand, the first electromagnetic valve 8 and the second electromagnetic valve 9 are flow regulating valves, and the opening and the flow of the valves can be regulated through a controller.
The working principle of the temperature-controllable large-capacity resistance furnace box in the embodiment 1 is as follows:
in the temperature rising process of the resistance furnace box, the controller realizes constant temperature rising by controlling the heating power of the plurality of electric heating elements 4, the temperature sensor 6 is used for detecting the temperature in the furnace in real time and feeding back the temperature to the controller so as to prevent the temperature in the furnace from rising too fast, and when the temperature in the furnace is detected to reach a set value, the controller controls the heating elements 4 to carry out heat treatment on the workpiece at constant heating power;
after the work piece processing, when needing to carry out the interior cooling of stove, the controller starts first solenoid valve 8, second solenoid valve 9, circulating water pump 10 and refrigerator 11 and begins work, the temperature begins to reduce in the resistance furnace, temperature sensor 6 detects the interior temperature variation of stove in real time, the controller changes the circulation velocity of cooling liquid in snakelike condenser pipe 7 through the valve aperture of adjusting first solenoid valve 8 or second solenoid valve 9, reach and carry out the interior cooling of stove with reasonable cooling rate, too fast in order to avoid the cooling, produce the influence to work piece quality performance.
Example 2: as shown in fig. 1 to 2, as a preferred embodiment of the embodiment 1, the bottom of the resistance furnace box is provided with a moving mechanism, and the moving mechanism is four rolling wheels 18 arranged at the bottom of the resistance furnace box. Wherein, the arrangement of the moving mechanism can facilitate the carrying and moving of the resistance furnace box.
Example 3: as shown in fig. 1 to 2, a temperature-controllable large-capacity resistance furnace box is different from embodiment 1 or embodiment 2 in that a plurality of electric heating elements 4 are fixedly connected with an inner shell 3 of the resistance furnace through two connecting posts 41.
The arrangement of the connecting column 41 on the electric heating element 4 can avoid the problems of overhigh external environment temperature, large heat loss and high energy consumption caused by the direct fixed connection of the electric heating element 4 and the inner shell 3 of the resistance furnace.
In addition, it should be noted that the specific embodiments described in the present specification may differ in the shape of the components, the names of the components, and the like. All equivalent or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (7)
1. A temperature-controllable high-capacity resistance furnace box is characterized by comprising a resistance furnace outer shell (1), a resistance furnace inner shell (3) and a controller;
a heat insulation layer (2) is arranged between the inner resistance furnace shell (3) and the outer resistance furnace shell (1);
a plurality of electric heating elements (4) are arranged on the side wall, the top wall and the bottom wall of the inner shell (3) of the resistance furnace;
a plurality of layers of workpiece placing frames (5) are arranged in the inner shell (3) of the resistance furnace;
the top of the resistance furnace outer shell (1) is provided with a condensed water circulating mechanism, the top of the resistance furnace inner shell (3) is provided with a snake-shaped condensing pipe (7), and the condensed water circulating mechanism is connected with the snake-shaped condensing pipe (7) through a pipeline;
the resistance furnace inner shell (3) is fixedly connected with a temperature sensor (6), and the temperature sensor (6), the condensed water circulating mechanism and the plurality of electric heating elements (4) are connected with the controller.
2. The temperature-controllable large-capacity resistance furnace box according to claim 1, wherein the condensed water circulating mechanism comprises a circulating water pump (10), a refrigerator (11) and a water storage tank (12) which are arranged at the top of the resistance furnace shell (1) and sequentially connected through a pipeline, the water storage tank (12) is connected with the water outlet end of the serpentine condenser pipe (7), the circulating water pump (10) is connected with the water inlet end of the serpentine condenser pipe (7), a first electromagnetic valve (8) is arranged on the pipeline through which the circulating water pump (10) is connected with the serpentine condenser pipe (7), a second electromagnetic valve (9) is arranged on the pipeline through which the water storage tank (12) is connected with the serpentine condenser pipe (7), and the first electromagnetic valve (8), the second electromagnetic valve (9), the circulating water pump (10) and the refrigerator (11) are connected with the controller.
3. A temperature-controllable high-capacity electric resistance furnace box according to claim 2, characterized in that a plurality of said electric heating elements (4) are fixedly connected with the inner shell (3) of the electric resistance furnace through two connecting columns (41).
4. The temperature-controllable large-capacity resistance furnace box according to claim 1, wherein a resistance furnace door (13) is hinged on the resistance furnace box body, and a handle (17) is arranged on the resistance furnace door (13).
5. The temperature-controllable large-capacity resistance furnace box according to claim 4, characterized in that a start-stop button (14), a temperature adjusting knob (16) and a display screen (15) connected with a controller are further arranged on the resistance furnace door (13).
6. The temperature-controllable high-capacity resistance furnace box according to claim 1, wherein the bottom of the resistance furnace box body is provided with a moving mechanism.
7. A temperature-controllable high-capacity resistance furnace box according to claim 6, characterized in that the moving mechanism is four rolling wheels (18) arranged at the bottom of the resistance furnace box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022823264.0U CN214223726U (en) | 2020-11-30 | 2020-11-30 | Temperature-controllable large-capacity resistance furnace box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022823264.0U CN214223726U (en) | 2020-11-30 | 2020-11-30 | Temperature-controllable large-capacity resistance furnace box |
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| Publication Number | Publication Date |
|---|---|
| CN214223726U true CN214223726U (en) | 2021-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022823264.0U Expired - Fee Related CN214223726U (en) | 2020-11-30 | 2020-11-30 | Temperature-controllable large-capacity resistance furnace box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114791221A (en) * | 2022-04-28 | 2022-07-26 | 山田新材料集团有限公司 | Giant sintering furnace with combustion in separate chambers |
-
2020
- 2020-11-30 CN CN202022823264.0U patent/CN214223726U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114791221A (en) * | 2022-04-28 | 2022-07-26 | 山田新材料集团有限公司 | Giant sintering furnace with combustion in separate chambers |
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Granted publication date: 20210917 Termination date: 20211130 |