CN210237706U - Temperature soaking device of resistance type heating furnace - Google Patents
Temperature soaking device of resistance type heating furnace Download PDFInfo
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- CN210237706U CN210237706U CN201921090871.1U CN201921090871U CN210237706U CN 210237706 U CN210237706 U CN 210237706U CN 201921090871 U CN201921090871 U CN 201921090871U CN 210237706 U CN210237706 U CN 210237706U
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Abstract
The utility model relates to the technical field of heating furnaces, in particular to a temperature soaking device of a resistance type heating furnace, which is characterized in that heating elements are arranged in groups along the length direction of a furnace body in sequence; an all-solid-state microcomputer is arranged in the control cabinet and is electrically connected with the LCD touch display screen, the WIFI2 monitor, the WIFI1 module and the USB module; the all-solid-state microcomputer is also electrically connected with a multi-path heating controller, and the multi-path heating controller is respectively connected with the heating elements in each group through a heating power supply power driver. Compared with the prior art, the utility model discloses a beneficial effect is: 1) the temperature balance and stability in the furnace are enhanced, the regulation reaction is quicker, and the purpose of improving the heat treatment quality of the high-strength steel plate is realized. 2) The silicon carbide rod is reliably connected with the lead wire and is not oxidized under the condition of long time and high temperature; 3) the remote wireless network monitoring is immediate and visual, and the intelligent temperature control level is improved.
Description
Technical Field
The utility model relates to a heating furnace technical field especially relates to a resistance-type heating furnace temperature soaking device.
Background
The metal heat treatment is a process of heating a metal workpiece in a certain medium to a proper temperature, keeping the temperature for a certain time, cooling the metal workpiece in different media at different speeds, and controlling the performance of the metal workpiece by changing the microstructure of the surface or the interior of the metal material. The steel plate heat treatment process comprises quenching, annealing, normalizing, tempering, quenching and tempering and the like. In the heat treatment of steel sheets, the steel sheets need to be heated in a heating furnace, and when the steel sheets are heated to a transformation temperature (800 ℃) or higher, quenching and annealing can be performed, and when the steel sheets are heated to a transformation temperature (700 ℃) or lower, tempering treatment can be performed.
In the prior art, the resistance type heating furnace is applied to metal quenching and tempering, and has reached higher operation mechanization and automation level at present. But the heat treatment process requires more precise temperature control of the resistance-type heating furnace, and at present, the uniformity of the furnace temperature is difficult to meet the requirements in actual operation, and particularly, the performances such as constant temperature, temperature change and uniformity of the furnace temperature are different from the requirements.
The patent application number 201820615967.4 discloses a heating furnace suitable for quenched and tempered steel heat treatment, including control cabinet, oven, furnace, thermostatic layer, real-time temperature detection probe, conveyer belt and driving motor. The control console is arranged beside the furnace wall, the furnace is arranged in the furnace wall, the constant-temperature layer is arranged in the furnace wall, the real-time temperature detection probe is arranged at the top of the furnace wall, the conveying belt is arranged at the bottom of the furnace, and the driving motor is arranged at the left end of the surface of the furnace wall. Can realize stable heating temperature, be heated evenly, avoid the waste of the energy, improve production quality.
The Chinese patent with the patent application number of 201210068526.4 discloses a high-precision titanium alloy resistance heating furnace, which comprises a furnace body and a heating controller; the furnace body is composed of six side panels, a cavity in the middle forms a hearth, and at least one side panel is provided with a movable furnace door; electric heaters are arranged on the inner sides of the six side panels of the furnace body and generate heat to heat the hearth; a plurality of circulating fans are arranged at the top of the hearth; the outer sides of the six side panels are furnace shells which are formed by welding profile steel and plates, and the furnace body can simultaneously meet the heating requirements of different temperature sections from 350-1150 ℃.
Although the above-mentioned published documents claim to improve the uniformity of the temperature in the heating furnace, the effect is actually poor and the rate of the reaction is generally low.
Disclosure of Invention
The utility model aims at providing a resistance-type heating furnace temperature soaking device overcomes prior art's is not enough, adopts segmentation computer intelligence to adjust the temperature and control the temperature control mode to and soaking fan and diffuse reflection heat preservation interior wall structure, the temperature control precision that makes intensification, constant temperature and the cooling stage among the steel sheet heat treatment process is showing and is improving, and the reaction is faster, thereby the microstructure after making the steel sheet heat treatment is more even, finally realizes the purpose that improves the heat treatment quality of high-strength steel sheet.
In order to achieve the above object, the technical solution of the present invention is as follows:
a furnace temperature soaking device of a resistance-type heating furnace comprises heating elements, a soaking fan, temperature measuring elements and a control cabinet, and is characterized in that the heating elements are sequentially arranged in groups along the length direction of a furnace body, the heating elements are distributed on the bottom side of the furnace body and the top side of the furnace body in each group, and the soaking fan and the temperature measuring elements are arranged on the side walls of the left side and the right side of the furnace body; the control cabinet is internally provided with an all-solid-state microcomputer which is electrically connected with the LCD touch display screen, the WiFi2 monitor, the WiFi1 module and the USB module; the all-solid-state microcomputer is also electrically connected with a multi-path heating controller, the multi-path heating controller is respectively connected with the heating elements in each group through a heating power supply power driver, and the temperature measuring element is also electrically connected with the multi-path heating controller.
The WiFi2 monitor is an infrared thermal imaging camera.
The grouping number is 3-6 groups.
The multi-channel heating controller is a KZSCR TC-N temperature control module, and N is the channel number.
The heating element is a silicon carbide rod, the silicon carbide rod is connected with the heating power supply power driver through an aluminum alloy braided wire, and the aluminum alloy braided wire is connected to a silicon carbide rod electrode through a wire clamp.
The heating power supply power driver is an SSR solid state relay driving module.
The inner wall of the furnace body is a wavy diffuse reflection refractory material surface with the peak distance of 5-6 mm and the peak height of 2-3.
The temperature measuring element is a thermocouple.
Compared with the prior art, the utility model discloses a beneficial effect is: 1) the heating element sectional control, the soaking fan and the diffuse reflection heat preservation inner wall structure are adopted, so that the temperature in the furnace is kept balanced and stable in the steel plate heat treatment process, the regulation reaction is quicker, the microstructure of the steel plate after heat treatment is more uniform, and the purpose of improving the heat treatment quality of the high-strength steel plate is finally realized. 2) The silicon carbide rod is used as a heating element, an aluminum alloy braided flexible wire is used as a power supply lead-out wire for a silicon carbide rod lead, the aluminum alloy braided flexible wire is connected with the silicon carbide rod through a cylindrical braided flexible wire, and the cylindrical braided flexible wire is sleeved on the silicon carbide rod and fixed with a special-shaped fixing ring, so that the silicon carbide rod and the lead are reliably connected and are not oxidized under the condition of long time and high temperature; 3) the WiFi module is adopted to carry out remote wireless monitoring on the temperature uniformity in the furnace, and the intelligent level of temperature control is improved.
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 the drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of the resistance-type heating furnace of the present invention.
Fig. 2 is a block diagram illustrating the structure of an embodiment of the heating controller of the present invention.
Fig. 3 is a schematic view of the silicon carbide rod lead connection of the present invention.
Fig. 4 is a schematic view of the diffuse reflection structure of the inner wall of the furnace body.
In the figure: 1-furnace body, 2-silicon carbide rod, 3-soaking fan, 4-thermocouple, 5-aluminum alloy braided wire, 6-wire clamp and 7-diffuse reflection refractory material surface.
Detailed Description
The following embodiments are further described in the following:
in the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
See fig. 1-fig. 2, is the structural schematic diagram of an embodiment of the furnace temperature soaking device of the resistance-type heating furnace, the silicon carbide rods 2 are divided into 4 groups along the length direction of the furnace body 1, and are arranged in sequence, in each group, the silicon carbide rods 2 are distributed on the bottom side and the top side of the furnace body for two paths, namely, there are 8 heating loops. The soaking fan 3 and the thermocouple 4 are arranged on the left side wall and the right side wall of the furnace body. The control cabinet is internally provided with an all-solid-state microcomputer which is electrically connected with the LCD touch display screen, the WiFi2 monitor, the WiFi1 module and the USB module; the all-solid-state microcomputer is connected with a multi-channel heating controller through an RS-485 bus, and a KZSCR TC-8 temperature control module is arranged in the multi-channel heating controller and can respectively control 8 heating loops. The multi-path heating controller is respectively connected with the silicon carbide rods 2 in each group through a heating power supply power driver, and the heating power supply power driver is an SSR solid state relay driving module, so that full-digital regulation and control are realized. Each heating loop is correspondingly provided with a thermocouple 4, the thermocouple 4 is electrically connected with the multi-path heating controller and is correspondingly arranged with each heating loop, and a measuring result is fed back to the multi-path heating controller. The thermocouple 4 is used for measuring the ambient temperature on line, and provides a parameter basis for subsequent temperature adjustment.
The WiFi1 module can realize wireless transmission of data. The WiFi2 watch-dog is the infrared ray thermal imaging camera, can directly perceivedly observe the interior temperature distribution condition of stove through this camera, and image data supplies demonstration or analysis through the wireless transmission of WiFi. The USB module is used for carrying out software installation and data backup on the all-solid-state microcomputer.
According to the structure, the heating element is a silicon carbide rod, the silicon carbide rod 2 is connected with the heating power supply power driver through an aluminum alloy braided wire 5, the aluminum alloy braided wire 5 is sleeved on the electrode of the silicon carbide rod 2 and clamped by a wire clamp 6, the structure is firm and reliable in connection, the electrode can not be oxidized and generate heat under the condition of long-time high temperature, and the reliability of the device is improved. The silicon carbide rod 2 can be used to about 1400 ℃, and can completely meet the temperature requirement of steel heat treatment.
See fig. 4, 1 inner wall of furnace body is wave diffuse reflection refractory material surface 7 of peak distance 5~6mm, peak height 2~3, and the diffuse reflection is optics field phenomenon originally, the utility model discloses utilize the uneven surface in the furnace body to reflect the hot gas flow that is promoted by soaking fan 3 towards all directions in all directions, the purpose is reinforcing samming effect, and practice proves, and the effect is showing.
The above embodiments are merely specific examples selected for the purpose of illustrating the objects, technical solutions and advantages of the present invention in detail, but should not be construed as limiting the scope of the present invention, and all modifications, equivalents and improvements made without departing from the spirit and principle of the present invention should fall within the scope of the present invention.
Claims (8)
1. A furnace temperature soaking device of a resistance-type heating furnace comprises heating elements, a soaking fan, temperature measuring elements and a control cabinet, and is characterized in that the heating elements are sequentially arranged in groups along the length direction of a furnace body, the heating elements are distributed on the bottom side of the furnace body and the top side of the furnace body in each group, and the soaking fan and the temperature measuring elements are arranged on the side walls of the left side and the right side of the furnace body; the control cabinet is internally provided with an all-solid-state microcomputer which is electrically connected with the LCD touch display screen, the WiFi2 monitor, the WiFi1 module and the USB module; the all-solid-state microcomputer is also electrically connected with a multi-path heating controller, the multi-path heating controller is respectively connected with the heating elements in each group through a heating power supply power driver, and the temperature measuring element is also electrically connected with the multi-path heating controller.
2. The resistive heating furnace temperature soaking device according to claim 1, wherein the WiFi2 monitor is an infrared thermal imaging camera.
3. The temperature soaking device of claim 1, wherein the number of groups is 3-6.
4. The furnace temperature soaking device of the resistive heating furnace according to claim 1, wherein the multi-channel heating controller is a KZSCR TC-N temperature control module, and N is the number of channels.
5. The furnace temperature soaking device of the resistive heating furnace according to claim 1, wherein the heating element is a silicon carbide rod, the silicon carbide rod is connected with the heating power supply power driver through an aluminum alloy braided wire, and the aluminum alloy braided wire is connected to a silicon carbide rod electrode through a wire clamp.
6. The furnace temperature soaking device of the resistive heating furnace according to claim 1, wherein the heating power driver is an SSR solid state relay driving module.
7. The temperature soaking device for the resistance-type heating furnace according to claim 1, wherein the inner wall of the furnace body is a wavy diffuse reflection refractory material surface with a peak distance of 5-6 mm and a peak height of 2-3 mm.
8. The resistive heating furnace temperature soaking device according to claim 1, wherein the temperature measuring element is a thermocouple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921090871.1U CN210237706U (en) | 2019-07-12 | 2019-07-12 | Temperature soaking device of resistance type heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921090871.1U CN210237706U (en) | 2019-07-12 | 2019-07-12 | Temperature soaking device of resistance type heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210237706U true CN210237706U (en) | 2020-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201921090871.1U Active CN210237706U (en) | 2019-07-12 | 2019-07-12 | Temperature soaking device of resistance type heating furnace |
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| Country | Link |
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| CN (1) | CN210237706U (en) |
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2019
- 2019-07-12 CN CN201921090871.1U patent/CN210237706U/en active Active
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