Solar heating equipment

Through the combination of solar heating equipment and electric heating, the problem of high heating costs of vacuum furnaces is solved, energy saving and consumption reduction and production continuity are achieved, and it is suitable for industrial transformation in desert unmanned areas.

CN115289695BActive Publication Date: 2025-09-02HARBIN HANCHENG TECH CO LTD
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Patent Information

Application Number
CN202111592450.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-12-23
Publication Date
2025-09-02
Estimated Expiration
2041-12-23

AI Technical Summary

Technical Problem

The existing vacuum furnace has high heating costs and is facing a shortage of electricity. It requires an energy-saving heating method to reduce grid load and enterprise costs.

Method used

Using solar heating equipment, the sunlight is concentrated into the molten salt heating tank through a condenser mechanism to melt the molten salt. The heated molten salt is used to melt metal by a vacuum furnace, and when there is no sunlight, the electric heating mechanism is supplemented and heated.

Benefits of technology

It has achieved the reduction of electricity consumption through solar heating technology, reduced dependence on high-power industrial electricity consumption, reduced enterprise costs, and maintained production continuity in the absence of sunlight.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a solar heating device, belonging to the field of heating technology. The solar heating device includes a concentrator mechanism and a light energy conversion mechanism. The concentrator mechanism is connected to the light energy conversion mechanism via light and is evenly distributed around the light energy conversion mechanism. The electric heating mechanism is fixedly mounted within the light energy conversion mechanism. The solar heating device disclosed in the present invention achieves the purpose of vacuum furnace metal melting through solar heating technology, saving electricity, reducing grid load, and reducing dependence on high-power industrial electricity. By utilizing pollution-free energy and local materials, the device can transform uninhabited desert areas into industrial zones, forming an industrial chain. This also reduces enterprise costs. In the absence of sunlight, the device can be heated using a power source, with multiple heating methods, without affecting production progress.
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Description

Technical Field

[0001] The present invention relates to the field of heating technology, in particular to a solar heating device. Background Art

[0002] With the rapid development of the economy and society, humanity's excessive pursuit of growth has led to a decrease in available energy resources, and energy conservation has gradually become a major concern for businesses. Currently, heating industries such as hot pressing, atmosphere protection, and vacuum furnaces are also facing power shortages. Companies are gradually recognizing the importance of technological innovation and eliminating outdated production capacity. Currently, existing vacuum furnaces are typically heated using electricity, resulting in high heating costs and facing challenges such as industrial power shortages. Summary of the Invention

[0003] In order to overcome the defects of the existing technology, the technical problem to be solved by the present invention is to propose a solar heating equipment, which realizes the purpose of vacuum furnace metal melting through solar heating technology, saves electricity, reduces the load on the power grid, and reduces the dependence on high-power industrial electricity. By utilizing pollution-free energy and local materials, the desert uninhabited area can be transformed into an industrial zone, forming an industrial chain, while also reducing enterprise costs. In weather without sunlight, power supply heating can be used, and multiple heating methods can be used without affecting production progress.

[0004] To achieve this object, the present invention adopts the following technical solutions:

[0005] The present invention provides a solar heating device, which includes a concentrating mirror mechanism, a light energy conversion mechanism and an electric heating mechanism. The concentrating mirror mechanism is connected to the light energy conversion mechanism through light, the concentrating mirror mechanisms are distributed around the light energy conversion mechanism, and the electric heating mechanism is fixedly installed inside the light energy conversion mechanism.

[0006] A further technical solution of the present invention is that the photoenergy conversion mechanism includes a molten salt heating device, a molten salt delivery pipe 1, a molten salt delivery pipe 2, a vacuum furnace, a molten salt recovery device and a delivery pipe, the bottom end of the molten salt heating device is connected to one end of the molten salt delivery pipe 1, the bottom end of the molten salt heating device is connected to one end of the molten salt delivery pipe 2, the molten salt delivery pipe 1 is located above the molten salt delivery pipe 2; the molten salt delivery pipe 1 extends out after passing through the interior of the vacuum furnace, the molten salt delivery pipe 1 extends into the interior of the vacuum furnace and then extends out, the outlet end of the molten salt delivery pipe 1 is connected to the other end of the molten salt delivery pipe 2, the outlet pipe of the molten salt delivery pipe 2 is connected to one end of the molten salt recovery device, the other end of the molten salt recovery device is connected to one end of the delivery pipe, the other end of the delivery pipe is inserted into the top of the molten salt heating device, and the focusing lens mechanism is connected to the molten salt heating device through light.

[0007] A further technical solution of the present invention is that a molten salt heating pool is provided at the top of the molten salt heating device, and a liquid molten salt storage pool is provided at the bottom of the molten salt heating device. The bottom of the molten salt heating pool is connected to the top of the molten salt storage pool, and the bottom of the molten salt heating pool and the outer wall of the molten salt storage pool are both provided with an insulation layer; the bottom of the molten salt storage pool is connected to molten salt delivery pipeline 1 and salt delivery pipeline 2 in sequence.

[0008] A further technical solution of the present invention is that the inlet ends of the molten salt delivery pipeline 1 and the inlet ends of the molten salt delivery pipeline 2 are respectively provided with a high-temperature resistant pump and an electric throttle valve.

[0009] A further technical solution of the present invention is that the vacuum furnace includes a furnace shell, an upper pressure head, a lower pressure head, a temperature sensor and a pressure head support frame, the upper pressure head is slidably connected to the top of the pressure head support frame, and the lower pressure head is fixedly installed at the bottom of the upper pressure head, the furnace shell is slidably connected to the upper pressure head, and the pressure head end of the upper pressure head is arranged inside the furnace shell, the bottom end of the furnace shell is fixedly connected to the lower pressure head, and the pressure head end of the lower pressure head is arranged inside the furnace shell, and a temperature sensor is provided on one side of the interior of the upper pressure head and the lower pressure head; the molten salt delivery pipe 1 passes through the interior of the upper pressure head and extends out, and the molten salt delivery pipe 2 passes through the interior of the lower pressure head and extends out.

[0010] A further technical solution of the present invention is that the molten salt is transported between the molten salt recovery device and the transport pipe via a pump.

[0011] A further technical solution of the present invention is that the condenser mechanism includes a mirror and a sunlight tracking device, and the mirror is fixedly connected to the top of the sunlight tracking device.

[0012] A further technical solution of the present invention is that the mirror surface is a focusing concave mirror or a convex lens.

[0013] A further technical solution of the present invention is that the electric heating mechanism includes a platform electric heating layer power supply 1, a platform electric heating layer 1, a platform electric heating layer power supply 2 and a platform electric heating layer 2; the platform electric heating layer power supply 1 is fixedly installed on one side of the top end of the furnace shell, the platform electric heating layer 1 is arranged at the bottom end inside the upper pressure head, and the platform electric heating layer power supply 1 is electrically connected to the platform electric heating layer 1; the platform electric heating layer power supply 2 is fixedly installed on one side of the bottom end of the furnace shell, the platform electric heating layer 2 is arranged at the bottom end inside the lower pressure head, and the platform electric heating layer power supply 2 is electrically connected to the platform electric heating layer 2.

[0014] The beneficial effects of the present invention are:

[0015] The solar heating equipment provided by the present invention is that when sunlight is concentrated by a mirror and projected into a molten salt heating pool, the molten salt is melted. The mirror is a concave mirror or a convex lens. The melted molten salt flows into the liquid molten salt storage pool. The heated liquid molten salt is respectively flowed through the molten salt delivery pipe 1 and the molten salt delivery pipe 2 by a high-temperature resistant pump and an electric throttle valve, and then merged into the molten salt recovery device. Since the molten salt delivery pipe 1 passes through the interior of the upper pressure head and then extends, the molten salt delivery pipe 2 passes through the interior of the lower pressure head and then extends, the heated liquid molten salt heats the upper and lower pressure heads to melt the metal. After smelting the metal, the temperature of the liquid molten salt drops and it flows into the liquid molten salt storage pool. It is then pumped through the delivery pipe and sent back to the molten salt heating pool for reuse. The purpose of smelting metal in a vacuum furnace is achieved through solar heating technology, saving electricity, reducing the load on the power grid, and reducing dependence on high-power industrial electricity. By utilizing pollution-free energy and local materials, desert uninhabited areas can be transformed into industrial areas, forming an industrial chain and reducing corporate costs. In weather without sunlight, the electric heating mechanism can use power to heat the equipment. There are multiple heating methods without affecting production progress. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural cross-sectional view of a solar heating device when the mirror surface 1-1 of the present invention is a concave focusing mirror;

[0017] Figure 2 for Figure 1 A partial enlarged view of middle A.

[0018] Figure 3 This is a structural cross-sectional view of a solar heating device when the mirror surface 1-1 of the present invention is a convex lens.

[0019] In the picture:

[0020] Condensing mirror mechanism 1; mirror 1-1; sunlight tracking device 1-2; light energy conversion mechanism 2; molten salt heating device 2-1; molten salt heating pool 2-1-1; liquid molten salt storage pool 2-1-2; insulation layer 2-1-3; molten salt delivery pipeline 1 2-2; high temperature resistant pump 2-2-1; electric throttle valve 2-2-2; molten salt delivery pipeline 2 2-3; vacuum furnace 2-4; furnace shell 2-4-1; upper pressure head 2-4-2; lower pressure head 2-4-3; temperature sensor 2-4-4; pressure head support frame 2-4-5; molten salt recovery device 2-5; delivery pipe 2-6; platform electric heating layer power supply 1 3-1; platform electric heating layer 1 3-2; platform electric heating layer power supply 2 3-3; platform electric heating layer 2 3-4. DETAILED DESCRIPTION

[0021] The present invention is further described below with reference to specific embodiments. The accompanying drawings are for illustrative purposes only and are schematic, not actual, representations. They should not be construed as limiting this patent. To better illustrate the embodiments of the present invention, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted from the drawings.

[0022] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limiting this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances. Specific implementation method one:

[0024] The following combination Figure 1 、 2 3. Description of the present embodiment. The present invention relates to the field of heating technology, and more specifically, to a solar heating device, including a concentrating mirror mechanism 1, a light energy conversion mechanism 2 and an electric heating mechanism 3. The concentrating mirror mechanism 1 is connected to the light energy conversion mechanism 2 through light, the concentrating mirror mechanism 1 is evenly distributed around the light energy conversion mechanism 2, and the electric heating mechanism 3 is fixedly installed inside the light energy conversion mechanism 2. Specific implementation method 2:

[0026] The following combination Figure 1 、 23. This embodiment further describes the first embodiment. The light energy conversion mechanism 2 includes a molten salt heating device 2-1, a molten salt delivery pipeline 1 2-2, a molten salt delivery pipeline 2-3, a vacuum furnace 2-4, a molten salt recovery device 2-5 and a delivery pipe 2-6. The bottom end of the molten salt heating device 2-1 is connected to one end of the molten salt delivery pipeline 1 2-2, and the bottom end of the molten salt heating device 2-1 is connected to one end of the molten salt delivery pipeline 2-3. The molten salt delivery pipeline 1 2-2 is located above the molten salt delivery pipeline 2-3. The conveying pipe 2-2 extends out after passing through the interior of the vacuum furnace 2-4, and the molten salt conveying pipe 2-2 extends into the interior of the vacuum furnace 2-4 and then extends out. The outlet end of the molten salt conveying pipe 2-2 is connected to the other end of the molten salt conveying pipe 2-3, and the outlet pipe of the molten salt conveying pipe 2-3 is connected to one end of the molten salt recovery device 2-5. The other end of the molten salt recovery device 2-5 is connected to one end of the conveying pipe 2-6. The other end of the conveying pipe 2-6 is inserted into the top of the molten salt heating device 2-1, and the focusing lens mechanism 1 is connected to the molten salt heating device 2-1 through light. Specific implementation method three:

[0028] The following combination Figure 1 、 2 3. Description of this embodiment. This embodiment further describes the first embodiment. A molten salt heating pool 2-1-1 is provided at the top of the molten salt heating device 2-1, and a liquid molten salt storage pool 2-1-2 is provided at the bottom of the molten salt heating device 2-1. The bottom of the molten salt heating pool 2-1-1 is connected to the top of the molten salt storage pool 2-1-2, and the bottom of the molten salt heating pool 2-1-1 and the outer wall of the molten salt storage pool 2-1-2 are both provided with an insulation layer 2-1-3; the bottom of the molten salt storage pool 2-1-2 is connected in sequence to a molten salt delivery pipeline 1 2-2 and a salt delivery pipeline 2 2-3. Specific implementation method four:

[0030] The following combination Figure 1 、 2 3 describes this embodiment. This embodiment further describes the embodiment 1. The inlet ends of the molten salt delivery pipeline 1 2-2 and the inlet ends of the molten salt delivery pipeline 2 2-3 are respectively provided with a high-temperature resistant pump 2-2-1 and an electric throttle valve 2-2-2. Specific implementation method five:

[0032] The following combination Figure 1 、 23. This embodiment further describes the first embodiment. The vacuum furnace 2-4 includes a furnace shell 2-4-1, an upper pressure head 2-4-2, a lower pressure head 2-4-3, a temperature sensor 2-4-4, and a pressure head support frame 2-4-5. The top of the pressure head support frame 2-4-5 is slidably connected to the upper pressure head 2-4-2, and the bottom of the upper pressure head 2-4-2 is fixedly installed with the lower pressure head 2-4-3. The furnace shell 2-4-1 is slidably connected to the upper pressure head 2-4-2, and the upper pressure head 2-4-3 is fixedly installed. The pressure head end of the head 2-4-2 is arranged inside the furnace shell 2-4-1, the bottom end of the furnace shell 2-4-1 is fixedly connected to the lower pressure head 2-4-3, and the pressure head end of the lower pressure head 2-4-3 is arranged inside the furnace shell 2-4-1, and a temperature sensor 2-4-4 is provided on one side of the interior of the upper pressure head 2-4-2 and the lower pressure head 2-4-3; the molten salt delivery pipe 1 2-2 passes through the interior of the upper pressure head 2-4-2 and extends out, and the molten salt delivery pipe 2 2-3 passes through the interior of the lower pressure head 2-4-3 and extends out. Specific implementation method six:

[0034] The following combination Figure 1 、 2 3 illustrates this embodiment, which further illustrates the first embodiment. The molten salt is transported between the molten salt recovery device 2-5 and the transport pipe 2-6 by a pump. Specific implementation method seven:

[0036] The following combination Figure 1 、 2 3. This embodiment further explains the first embodiment. The focusing mirror mechanism 1 includes a mirror 1-1 and a sunlight tracking device 1-2. The mirror 1-1 is fixedly connected to the top of the sunlight tracking device 1-2. Specific implementation method eight:

[0038] The following combination Figure 1 、 2 3 describes this embodiment, which further describes the first embodiment. The mirror 1-1 is a focusing concave mirror or a convex lens. Specific implementation method nine:

[0040] The following combination Figure 1 、 23. Description of this embodiment. This embodiment further describes embodiment one. The electric heating mechanism 3 includes a platform electric heating layer power supply 3-1, a platform electric heating layer 3-2, a platform electric heating layer power supply 3-3 and a platform electric heating layer 3-4; the platform electric heating layer power supply 3-1 is fixedly installed on one side of the top end of the furnace shell 2-4-1, the platform electric heating layer 3-2 is arranged at the bottom end inside the upper pressure head 2-4-2, and the platform electric heating layer power supply 3-1 is electrically connected to the platform electric heating layer 3-2; the platform electric heating layer power supply 3-3 is fixedly installed on one side of the bottom end of the furnace shell 2-4-1, the platform electric heating layer 3-4 is arranged at the bottom end inside the lower pressure head 2-4-3, and the platform electric heating layer power supply 3-3 is electrically connected to the platform electric heating layer 3-4.

[0041] Working principle: When sunlight is concentrated by the mirror 1-1 and projected into the molten salt heating pool 2-1-1, the molten salt is melted. The mirror 1-1 is a focusing concave mirror or convex lens. The melted molten salt flows into the liquid molten salt storage pool 2-1-2. The heated liquid molten salt is made to flow through the molten salt delivery pipe 1 2-2 and the molten salt delivery pipe 2 2-3 respectively through the high-temperature resistant pump 2-2-1 and the electric throttle valve 2-2-2 and then merge into the molten salt recovery device 2-5. Since the molten salt delivery pipe 1 2-2 passes through the interior of the upper pressure head 2-4-2 and then extends, the molten salt delivery pipe 2 2-3 passes through the interior of the lower pressure head 2-4-3 and then extends, the heated liquid molten salt heats the upper pressure head 2-4-2 and the lower pressure head 2-4-3 to melt the metal. After melting the metal, the temperature of the liquid molten salt drops and then flows into the liquid The molten salt is stored in the molten salt storage pool 2-1-2 and then returned to the molten salt heating pool 2-1-1 for reuse through the delivery pipe 2-6 by a pump, thereby achieving the purpose of smelting metal in a vacuum furnace through solar heating technology, saving electricity, reducing the load on the power grid, and reducing dependence on high-power industrial electricity. By utilizing pollution-free energy and local materials, the desert uninhabited area can be transformed into an industrial area, forming an industrial chain, and also reducing enterprise costs. In weather without sunlight, the platform electric heating layer power supply 1 3-1 heats the platform electric heating layer 1 3-2, thereby heating the upper pressure head 2-4-2, and the platform electric heating layer power supply 2 3-3 heats the platform electric heating layer 2 3-4, thereby heating the lower pressure head 2-4-3, thereby completing the processing of the workpiece. There are multiple heating methods without affecting the production progress.

[0042] The present invention is described through preferred embodiments. Those skilled in the art will appreciate that various modifications or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. The present invention is not limited to the specific embodiments disclosed herein; other embodiments falling within the scope of the claims of this application are intended to be protected by the present invention.

Claims

1. A solar heating device, characterized in that: include: Condenser mechanism (1), light energy conversion mechanism (2) and electric heating mechanism (3); The condenser mechanism (1) is connected to the light energy conversion mechanism (2) through light, the condenser mechanism (1) is evenly distributed around the light energy conversion mechanism (2), and the electric heating mechanism (3) is fixedly installed inside the light energy conversion mechanism (2); the light energy conversion mechanism (2) includes a molten salt heating device (2-1), a molten salt conveying pipeline 1 (2-2), a molten salt conveying pipeline 2 (2-3), a thermoforming device (2-4), a molten salt recovery device (2-5) and a conveying pipe (2-6); The bottom end of the molten salt heating device (2-1) is connected to one end of the molten salt delivery pipe 1 (2-2), and the bottom end of the molten salt heating device (2-1) is connected to one end of the molten salt delivery pipe 2 (2-3). The molten salt delivery pipe 1 (2-2) is located above the molten salt delivery pipe 2 (2-3). The molten salt delivery pipe 1 (2-2) extends out after passing through the interior of the thermoforming device (2-4), and the molten salt delivery pipe 2 (2-3) extends out after passing through the interior of the thermoforming device (2-4). The outlet end of the molten salt delivery pipe (2-2) is connected to the other end of the molten salt delivery pipe (2-3), the outlet pipe of the molten salt delivery pipe (2-3) is connected to one end of the molten salt recovery device (2-5), the other end of the molten salt recovery device (2-5) is connected to one end of the delivery pipe (2-6), the other end of the delivery pipe (2-6) is inserted into the top of the molten salt heating device (2-1), and the condenser mechanism (1) is connected to the molten salt heating device (2-1) through light; A molten salt heating pool (2-1-1) is provided at the top of the molten salt heating device (2-1), a liquid molten salt storage pool (2-1-2) is provided at the bottom of the molten salt heating device (2-1), the bottom of the molten salt heating pool (2-1-1) is connected to the top of the molten salt storage pool (2-1-2), and the bottom of the molten salt heating pool (2-1-1) and the outer wall of the molten salt storage pool (2-1-2) are both provided with a thermal insulation layer (2-1-3); The bottom end of the molten salt storage pool (2-1-2) is connected in sequence to a molten salt delivery pipeline 1 (2-2) and a molten salt delivery pipeline 2 (2-3); The inlet ends of the molten salt delivery pipeline 1 (2-2) and the inlet ends of the molten salt delivery pipeline 2 (2-3) are both provided with a high-temperature resistant pump (2-2-1) and an electric throttle valve (2-2-2); The hot forming device (2-4) comprises a furnace shell (2-4-1), an upper pressing head (2-4-2), a lower pressing head (2-4-3), a temperature sensor (2-4-4), and a pressing head support frame (2-4-5); The top end of the pressure head support frame (2-4-5) is slidably connected to the upper pressure head (2-4-2), and the bottom end of the upper pressure head (2-4-2) is fixedly mounted with the lower pressure head (2-4-3); The furnace shell (2-4-1) is slidably connected to the upper pressure head (2-4-2), and the pressure head end of the upper pressure head (2-4-2) is arranged inside the furnace shell (2-4-1); the bottom end of the furnace shell (2-4-1) is fixedly connected to the lower pressure head (2-4-3), and the pressure head end of the lower pressure head (2-4-3) is arranged inside the furnace shell (2-4-1); a temperature sensor (2-4-4) is provided on one side of the interior of each of the upper pressure head (2-4-2) and the lower pressure head (2-4-3); The molten salt delivery pipe 1 (2-2) passes through the interior of the upper pressure head (2-4-2) and extends out, and the molten salt delivery pipe 2 (2-3) passes through the interior of the lower pressure head (2-4-3) and extends out.

2. The solar heating device according to claim 1, characterized in that: The molten salt recovery device (2-5) and the delivery pipe (2-6) are transported via a pump.

3. The solar heating device according to claim 1, characterized in that: The condenser mechanism (1) comprises a mirror surface (1-1) and a sunlight tracking device (1-2), wherein the mirror surface (1-1) is fixedly connected to the top end of the sunlight tracking device (1-2).

4. The solar heating device according to claim 3, characterized in that: The mirror surface (1-1) is a focusing concave mirror or a convex lens.

5. The solar heating device according to claim 1, characterized in that: The electric heating mechanism (3) comprises a platform electric heating layer power supply 1 (3-1), a platform electric heating layer 1 (3-2), a platform electric heating layer power supply 2 (3-3) and a platform electric heating layer 2 (3-4); The platform electric heating layer power supply 1 (3-1) is fixedly installed on one side of the top of the furnace shell (2-4-1), the platform electric heating layer 1 (3-2) is arranged at the bottom end inside the upper pressure head (2-4-2), and the platform electric heating layer power supply 1 (3-1) is electrically connected to the platform electric heating layer 1 (3-2); The platform electric heating layer power supply 2 (3-3) is fixedly installed on one side of the bottom end of the furnace shell (2-4-1), the platform electric heating layer 2 (3-4) is arranged at the top end inside the lower pressure head (2-4-3), and the platform electric heating layer power supply 2 (3-3) is electrically connected to the platform electric heating layer 2 (3-4).

Citation Information

Patent Citations

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