Energy-saving heating element of heat treatment equipment

Abstract

An energy-saving heating element of heat treatment equipment relates to the technical field of heating element structures and comprises a heating element body and a heating pipe, the heating pipe and the heating element body are fixedly arranged or arranged in a limited manner, a plurality of protrusions are uniformly arranged on the surface of the heating pipe in a sleeving manner and form corrugated concave-convex lines, the heating pipe is of a spiral winding structure, and the heating pipe is of a hollow structure. Corrugated protrusions are evenly distributed on the surface of the heating pipe of a spiral winding structure. According to the design, by increasing the surface area and the heat exchange efficiency of the heating pipes, the heat dissipation performance is remarkably improved, the uniformity of heat distribution is optimized, the heat conduction path is shortened, and the energy loss is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to heating element structure technical field, specifically related to an energy -conserving type heating element of heat treatment equipment. BACKGROUND

[0002] Metal heat treatment is to put metal workpiece in certain medium and heat to appropriate temperature, and keep in this temperature for a certain time, and cool down with different speed, change the organization structure of metal material surface or inside to control its performance a kind of process.

[0003] Heating element is the part that various heat treatment equipment cannot lack, according to different equipment temperature, can select corresponding heating element.

[0004] The heating element of the existing heat treatment equipment generally needs continuous heating, still needs to continue heating to maintain temperature after reaching the predetermined temperature, and the heating element power used for the heat treatment equipment is generally high, the power consumption is large, a large amount of electric power resources are wasted, and the environmental protection and energy saving requirements cannot be met. SUMMARY

[0005] In order to solve the problems of slow temperature rise of the conventional heating element for heat treatment equipment, continuous heating in the working process and energy waste, the utility model provides an energy -conserving type heating element of heat treatment equipment to solve the above problems.

[0006] An energy -conserving type heating element of heat treatment equipment, including heating element body, heating pipe, the heating pipe is fixed with the heating element body or limit setting, the heating pipe surface is uniformly provided with a plurality of protrusions, a plurality of the protrusions form corrugated concave-convex lines, and the heating pipe is a spiral coiled structure.

[0007] Further, the spiral structure increases the surface area of the heating pipe, accelerates the heat transfer to the workpiece, shortens the heating time and reduces the energy consumption of continuous heating.

[0008] Further, the spiral coiled structure cooperates with the surface corrugated protrusions to greatly increase the contact area with the heated medium and accelerate the heat exchange efficiency.

[0009] Further, the spiral layout makes the heat distribution more uniform, avoids local overheating, reduces the energy redundancy caused by local high temperature, shortens the heating time and reduces the energy consumption of continuous heating.

[0010] Further, the annular heat field is adapted to the cylindrical workpiece to avoid energy waste caused by excessive temperature difference at the end.

[0011] Further, the heating pipe end is connected with a heating pipe connector, and the end of the heating pipe connector is provided with a connecting block.

[0012] Further, the heating pipe has various different sizes, and appropriate size is selected for installation according to specific working conditions;

[0013] Further, the heating pipe connecting seat is made of high-temperature-resistant ceramic material, supports flexible configuration of multiple pipe series or parallel connection, and can quickly adjust the heating scale according to the power demand of different heat treatment equipment.

[0014] Further, when the heating pipe is damaged, the entire heating element does not need to be disassembled, only the heating pipe needs to be replaced, thereby shortening the maintenance time and reducing the maintenance cost.

[0015] Further, the heating pipe connecting seat is made of high-temperature-resistant ceramic material, supports flexible configuration of multiple pipe series or parallel connection.

[0016] Further, the series mode can increase the total resistance, and is suitable for low-power and high-voltage scenes.

[0017] Further, the parallel mode reduces the total resistance, and is suitable for high-power and low-voltage demand.

[0018] Further, the protective sleeve is wrapped around the heating pipe with heat insulation material, reducing heat loss to non-target areas, and preventing the operator from being scalded. The installation base is mechanically reinforced and has a standardized power supply interface, ensuring stable operation of the equipment in a vibrating or high-temperature environment.

[0019] Further, the heating pipe comprises a protective layer, a heat-conducting layer, and a heating layer. The protective layer is located at the outermost side, the heating layer is located at the center, and the heat-conducting layer is located between the protective layer and the heating layer.

[0020] Further, the protective layer is a silicon carbide ceramic coating, which resists high-temperature oxidation and chemical corrosion, and prolongs the service life.

[0021] Further, the heat-conducting layer is a molybdenum alloy base, which quickly transfers the heat generated by the heating layer to the outside, reducing internal thermal resistance.

[0022] Further, the heating layer is a high-purity copper rod, which utilizes the high electrical conductivity of copper to achieve efficient electric heating conversion and reduce power loss.

[0023] Further, the heating element body is connected to the side surface of the heating pipe, and a temperature sensor is installed on the side surface of the heating pipe. The temperature sensor monitors the temperature in real time, and automatically adjusts or cuts off the power supply in combination with the overheat protector, preventing energy waste and equipment damage.

[0024] Further, the temperature sensor is embedded in the heating element body near the heating pipe, monitors the surface temperature in real time, and feeds back data to the control system.

[0025] Further, when the temperature approaches the set threshold, the system dynamically adjusts the input power to avoid continuous full-load operation.

[0026] Further, if the temperature abnormally rises, the internal overheat protector will directly cut off the power supply to prevent the element from burning out.

[0027] Further, compared with traditional heating elements, this design reduces invalid energy consumption through closed-loop control, while prolonging the service life of the element.

[0028] Further, real-time temperature monitoring is achieved, and power output is reduced after reaching the set value to avoid continuous full-power heating. Combined with the PID algorithm, constant temperature is maintained to reduce repeated heating caused by temperature fluctuations.

[0029] Further, the heating element body is installed with a protective sleeve on one side surface of the heating pipe.

[0030] Further, the protective sleeve and the mounting base are mechanically reinforced and insulated to improve the stability and safety of the device.

[0031] Further, it also includes a plurality of heating pipe connection seats, which are located inside the protective sleeve and connected to the surface of the heating element body. The heating pipe connection seats are symmetrically distributed along the central axis of the heating element body.

[0032] Further, the heating element body is installed with a mounting base on the surface of the heating pipe on the other side. The mounting base is provided with a power connection seat, and the power connection seat is provided with a power connection jack.

[0033] Further, the standardized interface of the power connection jack simplifies the installation process of the device, reduces the complexity of maintenance, and is suitable for various needs in industrial scenarios.

[0034] Further, the heating pipe connection seat is made of high-temperature-resistant ceramic material, supporting multiple pipes in series or parallel use; power can be flexibly configured on demand to avoid energy waste and improve the applicability of the device.

[0035] Further, the heating element body is provided with an overheat protector inside.

[0036] Further, the core function of the heating element is to efficiently convert electrical energy into heat energy. The heating layer is composed of high-purity copper rods, which utilize the low resistance characteristics of copper to generate Joule heat when electrified.

[0037] Further, when the current passes through the copper rod, the heat generated by the resistance rapidly accumulates to form an initial heat source. The heat-conducting layer uses molybdenum alloy as the base, which has high thermal conductivity to ensure that heat is quickly transferred from the copper rod to the outer layer.

[0038] Further, the high melting point and mechanical strength of the molybdenum alloy enable it to maintain structural stability at high temperatures, avoiding deformation or breakage caused by thermal expansion. The outermost layer of silicon carbide ceramic protective layer has the characteristics of high temperature resistance, oxidation resistance and medium corrosion resistance, which not only protects the internal structure, but also efficiently transfers heat to the surrounding medium through radiation and convection, so that the heating element can better adapt to the high temperature environment required by the heat treatment equipment.

[0039] Further, the heating pipe is designed in a spiral winding structure, and the spiral shortens the linear path of heat conduction and reduces heat loss in the transmission process.

[0040] Further, the spiral structure uniformly distributes heat sources to avoid local overheating or cold areas and improve heating uniformity.

[0041] Further, the corrugated protrusions on the surface of the heating pipe increase the turbulence intensity of the medium flow, break the laminar boundary layer, and significantly improve the heat exchange efficiency.

[0042] Further, by combining structure, material and control, the utilization rate of electric energy is maximized. The layered material reduces thermal resistance, the spiral and corrugated design improves heat exchange rate, and intelligent temperature control avoids redundant energy consumption.

[0043] Further, under high-frequency current, the straight pipe causes the current to concentrate on the surface due to the skin effect, the effective conduction area is reduced, the resistance is increased, the curved path of the spiral structure can disperse the current density, weaken the skin effect, and improve the material utilization rate; The heat distribution of the spiral structure is more uniform, which avoids the increase of resistivity caused by local high temperature.

[0044] Compared with the prior art, the utility model has the following beneficial effects:

[0045] 1. The heating pipe with spiral winding structure is uniformly distributed on the surface. This design increases the surface area and heat exchange efficiency of the heating pipe, significantly improves the heat dissipation performance, optimizes the uniformity of heat distribution, shortens the heat conduction path, and reduces energy loss. The corrugated concave-convex lines further strengthen the turbulent effect, accelerate the heat exchange rate of the medium and the heating pipe, so as to reach the target temperature in a shorter time and reduce the energy consumption of continuous heating.

[0046] 2. The heating pipe adopts a three-layer composite structure: the outermost layer is a silicon carbide ceramic coating with excellent high temperature resistance, oxidation resistance and corrosion resistance, prolonging the service life of the element; the middle layer is a molybdenum alloy base with high thermal conductivity and mechanical strength to ensure rapid and uniform heat transfer; the core layer is a high-purity copper bar that utilizes the low resistance characteristics of copper to improve the electric heating conversion efficiency. The synergistic effect of the layered materials not only ensures the stability in high temperature environment, but also realizes efficient heat conduction.

[0047] 3. The heating element integrates a temperature sensor to monitor the operating temperature in real time, forming a dual protection mechanism with an internal overheat protector. When the temperature approaches the critical value, the system automatically adjusts the power or cuts off the power supply to avoid energy waste and equipment damage caused by overheating.

[0048] 4. The heating tube connector is made of high-temperature resistant ceramic material, which supports flexible configuration of multiple tubes in series or parallel, and can quickly adjust the heating scale according to the power requirements of different heat treatment equipment.

[0049] The protective sleeve and mounting base are mechanically reinforced and insulated to improve the stability and safety of equipment operation.

[0050] The standardized power connection socket simplifies the equipment installation process, reduces maintenance complexity, and is suitable for diverse needs in industrial scenarios. Attached Figure Description

[0051] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0052] Figure 1 A three-dimensional structural view (a) of an energy-saving heating element for a heat treatment device;

[0053] Figure 2 A three-dimensional structural view (b) of an energy-saving heating element for a heat treatment device;

[0054] Figure 3 A front view of an energy-saving heating element in a heat treatment device;

[0055] Figure 4 Rear view of an energy-saving heating element in a heat treatment device;

[0056] Figure 5 A three-dimensional structural view c of an energy-saving heating element for a heat treatment device;

[0057] Figure 6 for Figure 5 Enlarged view of section A in the middle;

[0058] Figure 7 This is a cross-sectional view of the heating element.

[0059] In the picture:

[0060] 1. Heating element body;

[0061] 2. Heating element;

[0062] 4. Protective cover;

[0063] 5. Install the base;

[0064] 6. Power connector;

[0065] 7. Power connection socket;

[0066] 8. Temperature sensor;

[0067] 9. Heating element connector;

[0068] 10. Heating element connector;

[0069] 11. Protrusion;

[0070] 12. Protective layer;

[0071] 13. Thermal conductive layer;

[0072] 14. Heating layer. Detailed Implementation

[0073] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0074] The application principle of the present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0075] Example 1

[0076] like Figures 1-6 As shown, an energy-saving heating element for a heat treatment device includes a heating element body 1 and a heating tube 2. The heating tube 2 is fixedly or limited to the heating element body 1. A plurality of protrusions 11 are uniformly sleeved on the surface of the heating tube 2, and the plurality of protrusions 11 form a corrugated texture. The heating tube 2 has a spiral coiled structure.

[0077] The spiral structure increases the surface area of ​​the heating tube, accelerates heat transfer to the workpiece, shortens the heating time, and reduces the energy consumption of continuous heating.

[0078] The spiral coiled structure, combined with the corrugated protrusions on the surface, significantly increases the contact area with the heated medium, accelerating heat exchange efficiency.

[0079] The spiral layout makes the heat distribution more even, avoids local overheating, reduces energy redundancy caused by local high temperature, shortens heating time, and reduces energy consumption for continuous heating.

[0080] Example 2

[0081] like Figures 1-6As shown, on the basis of embodiment 1, an energy-saving heating element of a heat treatment device, a heating pipe 2 is connected with a heating pipe connector 10, and an end of the heating pipe connector 10 is provided with a connecting block;

[0082] The heating pipe 2 has a plurality of different sizes, and according to specific working conditions, a suitable size is selected for installation;

[0083] When the heating pipe 2 is damaged, the entire heating element does not need to be disassembled, only the heating pipe 2 needs to be replaced, thereby shortening the maintenance time and reducing the maintenance cost.

[0084] The heating pipe 2 comprises a protective layer 12, a heat-conducting layer 13, and a heating layer 14, the protective layer 12 is located at the outermost side, the heating layer 14 is located at the center, and the heat-conducting layer 13 is located between the protective layer 12 and the heating layer 14.

[0085] The protective layer 12 is a silicon carbide ceramic coating, which resists high-temperature oxidation and chemical corrosion, and prolongs the service life.

[0086] The heat-conducting layer 13 is a molybdenum alloy matrix, which quickly transfers the heat generated by the heating layer to the outside, thereby reducing internal thermal resistance.

[0087] The heating layer 14 is a high-purity copper rod, which utilizes the high electrical conductivity of copper to achieve efficient electric heating conversion and reduce power loss.

[0088] The heating element body 1 is connected with the heating pipe 2, and a temperature sensor 8 is mounted on one side surface of the heating pipe 2; the temperature sensor 8 monitors the temperature in real time, and automatically adjusts or cuts off the power supply in combination with an overheat protector, thereby preventing energy waste and equipment damage.

[0089] The temperature is monitored in real time, the power output is reduced after reaching the set value, continuous full-power heating is avoided, a PID algorithm is combined to maintain constant temperature, and repeated heating caused by temperature fluctuations is reduced.

[0090] The heating element body 1 is connected with the heating pipe 2, and a temperature sensor 8 is mounted on one side surface of the heating pipe 2; the temperature sensor 8 monitors the temperature in real time, and automatically adjusts or cuts off the power supply in combination with an overheat protector, thereby preventing energy waste and equipment damage.

[0091] Further comprising a plurality of heating pipe connecting seats 9, the heating pipe connecting seats 9 are located inside the protective sleeve 4 and connected with the surface of the heating element body 1, and the heating pipe connecting seats 9 are symmetrically distributed along the central axis of the heating element body 1.

[0092] Embodiment 3

[0093] As Figures 1-7As shown, an energy-saving heating element of a heat treatment device includes a heating element body 1, a heating pipe 2 fixedly arranged or positionally arranged with the heating element body 1, and a plurality of protrusions 11 uniformly arranged on the surface of the heating pipe 2, wherein the plurality of protrusions 11 form a corrugated concave-convex pattern, and the heating pipe 2 has a spiral winding structure.

[0094] The spiral structure increases the surface area of the heating pipe, accelerates heat transfer to the workpiece, shortens the heating time, and reduces the energy consumption of continuous heating.

[0095] The spiral winding structure cooperates with the surface corrugated protrusions to greatly increase the contact area with the heated medium and accelerate the heat exchange efficiency.

[0096] The spiral layout makes the heat distribution more uniform, avoids local overheating, reduces energy redundancy caused by local high temperature, shortens the heating time, and reduces the energy consumption of continuous heating.

[0097] The annular heat field is adapted to the cylindrical workpiece to avoid energy waste caused by excessive temperature difference at the end.

[0098] The heating pipe 2 is connected with a heating pipe connector 10, and the end of the heating pipe connector 10 is provided with a connecting block.

[0099] The heating pipe 2 has a plurality of different sizes, and appropriate size is selected for installation according to specific working conditions.

[0100] The heating pipe connector seat is made of high-temperature-resistant ceramic material, supports flexible configuration of multiple pipes in series or parallel, and can quickly adjust the heating scale according to the power demand of different heat treatment devices.

[0101] When the heating pipe 2 is damaged, the entire heating element does not need to be disassembled, only the heating pipe 2 needs to be replaced, the maintenance time is shortened, and the maintenance cost is reduced.

[0102] The heating pipe connector seat 9 is made of high-temperature-resistant ceramic material and supports multiple pipes in series or parallel.

[0103] The series mode can increase the total resistance and is suitable for low-power and high-voltage scenarios.

[0104] The parallel mode reduces the total resistance and is suitable for high-power and low-voltage requirements.

[0105] The protective sleeve 4 is wrapped around the heating pipe with heat insulation material to reduce heat loss to non-target areas, prevent operators from being scalded, and ensure stable operation of the device in a vibrating or high-temperature environment through mechanical reinforcement and standardized power supply interface 6.

[0106] The heating pipe 2 comprises a protective layer 12, a heat-conducting layer 13 and a heating layer 14, the protective layer 12 is located at the outermost side, the heating layer 14 is located at the center, and the heat-conducting layer 13 is located between the protective layer 12 and the heating layer 14.

[0107] The protective layer 12 is a silicon carbide ceramic coating, which can resist high-temperature oxidation and chemical corrosion, and prolong the service life.

[0108] The heat-conducting layer 13 is a molybdenum alloy substrate, which can quickly transfer the heat generated by the heating layer to the outside and reduce internal thermal resistance.

[0109] The heating layer 14 is a high-purity copper rod, which can realize efficient electric heating conversion by using the high electrical conductivity of copper and reduce power loss.

[0110] The heating element body 1 is connected to one side surface of the heating pipe 2 and is provided with a temperature sensor 8; the temperature sensor 8 can monitor the temperature in real time, automatically adjust or cut off the power supply in combination with the overheat protector, and prevent energy waste and equipment damage.

[0111] The temperature sensor 8 is embedded in the heating element body 1 near the side of the heating pipe, which can monitor the surface temperature in real time and feed back the data to the control system.

[0112] When the temperature approaches the set threshold, the system dynamically adjusts the input power to avoid continuous full-load operation.

[0113] If the temperature abnormally rises, the internal overheat protector will directly cut off the power supply to prevent the element from burning out.

[0114] Compared with traditional heating elements, the design reduces invalid energy consumption through closed-loop control and prolongs the service life of the element.

[0115] Real-time temperature monitoring, power output reduction after reaching the set value, avoidance of continuous full-power heating, combination of PID algorithm to maintain constant temperature, and reduction of repeated heating caused by temperature fluctuations.

[0116] The heating element body 1 is provided with a protective sleeve 4 on one side surface of the heating pipe 2.

[0117] The protective sleeve and the mounting base are mechanically reinforced and insulated to improve the stability and safety of the equipment operation.

[0118] It also comprises a plurality of heating pipe connecting seats 9, which are located inside the protective sleeve 4 and connected to the surface of the heating element body 1, and the heating pipe connecting seats 9 are symmetrically distributed along the central axis of the heating element body 1.

[0119] The heating element body 1 is provided with a mounting base 5 on the side surface away from the heating pipe 2, the mounting base 5 is provided with a power supply connecting seat 6 on the surface, and the power supply connecting seat 6 is provided with a power supply connecting hole 9 on the surface.

[0120] The power supply connecting hole standardized interface simplifies the equipment installation process, reduces the maintenance complexity, and is suitable for diversified needs in industrial scenes.

[0121] The heating pipe connecting seat 9 is made of high-temperature-resistant ceramic material, supports the use of multiple pipes in series or multiple pipes in parallel, flexibly configures the power on demand, avoids energy waste, and improves the applicability of the device.

[0122] The heating element body 1 is provided with an over-temperature protector.

[0123] The core function of the heating element is to efficiently convert electrical energy into heat energy. The heating layer 14 is composed of high-purity copper rods, which utilize the low resistance characteristics of copper to generate Joule heat when electrified.

[0124] When the current passes through the copper rod, the heat generated by the resistance quickly accumulates to form an initial heat source. The heat-conducting layer 13 adopts a molybdenum alloy substrate, which has high thermal conductivity to ensure that heat is quickly transferred from the copper rod to the outer layer.

[0125] The high melting point and mechanical strength of molybdenum alloy enable it to maintain structural stability at high temperatures, avoiding deformation or fracture caused by thermal expansion. The outermost silicon carbide ceramic protective layer 12 has the characteristics of high temperature resistance, oxidation resistance and medium corrosion resistance, which not only protects the internal structure, but also efficiently transfers heat to the surrounding medium through radiation and convection, so that the heating element can better adapt to the high temperature environment required by the heat treatment equipment.

[0126] The heating pipe 2 is designed in a spiral winding structure, which shortens the linear path of heat conduction and reduces the loss of heat in the transmission process.

[0127] At the same time, the spiral structure uniformly distributes the heat source, avoiding local overheating or cold areas and improving the uniformity of heating.

[0128] It is obvious to those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application.

[0129] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.

Claims

1. An energy-saving heating element for a heat treatment apparatus, characterized by: The utility model provides a heating element body (1), heating pipe (2), heating pipe (2) is fixed with heating element body (1) or position setting, heating pipe (2) surface evenly sets up a plurality of convex (11), and a plurality of convex (11) form corrugated concave and convex lines, and heating pipe (2) is spiral coiled structure.

2. The energy saving heating element of a thermal processing apparatus according to claim 1, wherein: The heating pipe (2) is connected with a heating pipe connector (10), and the end of the heating pipe connector (10) is provided with a connecting block.

3. The energy saving heating element of a thermal processing apparatus according to claim 2, wherein: The heating pipe (2) comprises a protective layer (12), a heat-conducting layer (13) and a heating layer (14), the protective layer (12) is located at the outermost side, the heating layer (14) is located at the center, and the heat-conducting layer (13) is located between the protective layer (12) and the heating layer (14).

4. The energy saving heating element of a thermal processing apparatus according to claim 3, wherein: The protective layer (12) is a silicon carbide ceramic coating, the heat-conducting layer (13) is a molybdenum alloy base body, and the heating layer (14) is a high-purity copper rod.

5. The energy saving heating element of a thermal processing apparatus according to claim 1, wherein: The heating element body (1) is connected with the heating pipe (2), and a temperature sensor (8) is mounted on one side surface of the heating pipe (2).

6. The energy saving heating element of a thermal processing apparatus according to claim 1, wherein: The heating element body (1) is provided with a protective sleeve (4) on the side surface close to the heating pipe (2).

7. The energy saving heating element of a thermal processing apparatus according to claim 6, wherein: A plurality of heating pipe connecting seats (9) are further included, the heating pipe connecting seats (9) are located inside the protective sleeve (4) and are connected with the surface of the heating element body (1), and the heating pipe connecting seats (9) are symmetrically distributed along the central axis of the heating element body (1).

8. The energy saving heating element of a thermal processing apparatus according to claim 6, wherein: The heating element body (1) is provided with a mounting base (5) on the side surface away from the heating pipe (2), the mounting base (5) is provided with a power supply connecting seat (6) on the surface, and the power supply connecting seat (6) is provided with a power supply connecting jack (7) on the surface.

9. The energy saving heating element of a thermal processing apparatus according to claim 7, wherein: The heating pipe connecting seat (9) is made of high-temperature-resistant ceramic material and can support multiple pipes in series or multiple pipes in parallel.

10. The energy saving heating element of a thermal processing apparatus according to claim 1, wherein: The heating element body (1) is provided with an overheating protector inside.

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