Tunnel type heating device

Abstract

The utility model discloses a tunnel type heating device. The tunnel type heating device comprises a protection frame and a protection shell arranged at the upper end of the protection frame. When the tunnel type heating device is used, the air cooling device, the heating device and the transmission motor are connected with an external power source, after the heating device is powered on, a heating pipe in the heating device emits heat, and therefore the surrounding temperature rises, after the air cooling device is powered on, an air blower in the air cooling device blows air downwards, and the air cooling device is powered on. Then the photovoltaic silicon crystal plate is placed at the upper end of the conveying belt body, the conveying belt body moves the photovoltaic silicon crystal plate to the left side, the photovoltaic silicon crystal plate is heated by the heating device and then cooled by the air cooling device in the process of moving to the left side, and the photovoltaic silicon crystal plate is broken due to the fact that the temperature difference is too large; and through the arrangement of the air cooling device and the heating device, the separation efficiency of the photovoltaic silicon crystal plate can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field related to industrial heating equipment, and specifically relates to a tunnel type heating device. Background Art

[0002] A tunnel-type heating device is an industrial heating device. It allows materials to pass through it continuously and be heated through a tunnel-like structural design. This device is usually used in production processes that require large-scale, high-efficiency and uniform heating treatment. The utility model tunnel-type heating device is mainly composed of a protective frame, a waste heat recovery cover, a waste heat recovery pipe, an air intake pipe, a secondary combustion device, a flue gas heat exchanger, a smoke outlet main pipe, a smoke outlet branch pipe, a belt body, a protective shell, a conveyor belt body, a rotating pipe, a heating device, an air cooling device, a blower, a flue gas outlet, a connecting pipe and other components. The flue gas heat exchanger is an existing device. After searching, the publication number is CN 209978076 U. A flue gas heat exchanger is disclosed. The secondary combustion device is an existing device. After searching, the publication number is CN 213841810 U. A flue gas secondary combustion device for a smelting furnace is disclosed. The existing tunnel-type heating device has a relatively low efficiency in separating photovoltaic silicon panels when in use and the power consumption of tunnel electric heating is high, so a tunnel-type heating device is indispensable. Utility Model Content

[0003] The utility model aims to provide a tunnel heating device to solve the problems in the above background technology that the efficiency of separating photovoltaic silicon panels in the existing tunnel heating device is relatively low and the power consumption of tunnel electric heating is high.

[0004] To achieve the above purpose, the utility model provides the following technical solutions: a tunnel heating device, comprising

[0005] A protective frame and a protective shell arranged at an upper end of the protective frame;

[0006] A rotating tube is installed at the inner side of the protection frame, and a conveyor belt body is installed at the inner side of the protection frame and at the outer side of the rotating tube;

[0007] A transmission motor is arranged below the protection frame, and the transmission motor is connected to the rotating tube via a belt body;

[0008] A heating device is installed on the right side of the upper inner wall of the protective shell, and an air cooling device is installed on the left side of the upper inner wall of the protective shell;

[0009] The air cooling device, the heating device, and the transmission motor are electrically connected to an external power source;

[0010] By providing the air cooling device and the heating device, the efficiency of separating the photovoltaic silicon crystal panels can be improved.

[0011] Preferably, a smoke outlet branch pipe is provided at the upper end of the protective shell, the upper end of the smoke outlet branch pipe is connected to a smoke outlet main pipe, and the left side of the smoke outlet main pipe is connected to a secondary combustion device.

[0012] Preferably, a flue gas heat exchanger is provided above the protective shell and at the rear side of the secondary combustion device, the flue gas heat exchanger and the secondary combustion device are connected via a connecting pipe, and the flue gas heat exchanger and the secondary combustion device are electrically connected to an external power supply.

[0013] Preferably, a smoke outlet is connected to the right side of the smoke heat exchanger, and an air inlet pipe is installed on the front side of the smoke heat exchanger and at the upper end of the protective shell.

[0014] Preferably, a waste heat recovery pipe is provided at the rear side of the flue gas heat exchanger, a blower is provided at the external position of the waste heat recovery pipe, a waste heat recovery cover is connected to the lower end of the waste heat recovery pipe and at the left side position of the protective shell, and the blower is electrically connected to an external power supply.

[0015] Preferably, a support column is provided at the lower end of the protection frame, a support pad is sleeved at the lower end of the support column, and the support pad is made of rubber material.

[0016] Preferably, a reinforcing placement plate is welded at the inner side of the support column, and the support column and the protective frame are fixedly connected by welding.

[0017] Preferably, the protective frame, support columns and reinforced placement plates are all made of stainless steel. The stability of the placement of the tunnel-type heating device is enhanced by the provision of the support columns, support pads and reinforced placement plates.

[0018] Compared with the prior art, the utility model provides a tunnel type heating device, which has the following beneficial effects:

[0019] 1. In the tunnel heating device, when using the tunnel heating device, since the protective shell is provided with nine bin sections in total, the heating device is first installed on the upper end of bin sections one to seven, and then the air cooling device is installed on the upper end of bin sections eight to nine, and then the air cooling device, the heating device, the transmission motor are connected to the external power supply. When the heating device is powered on, the heating tube inside the heating device will heat up, thereby causing the surrounding temperature to rise. When the air cooling device is powered on, the hair dryer inside the air cooling device will blow downward, and then the photovoltaic silicon crystal panel is placed on the upper end of the conveyor belt body. The conveyor belt body will move the photovoltaic silicon crystal panel to the left. In the process of moving to the left, the photovoltaic silicon crystal panel will first be heated by the heating device and then cooled by the air cooling device. Due to the large temperature difference, the photovoltaic silicon crystal panel will be broken, thereby separating the glass, silicon wafer and welding ribbon. By setting the air cooling device and the heating device, the efficiency of the separation of the photovoltaic silicon crystal panel can be improved, so that the glass, silicon wafer and welding ribbon can be better separated.

[0020] 2. In the tunnel heating device, when using the tunnel heating device, the smoke outlet is first connected to the cyclone spray tower through the induced draft fan. When the photovoltaic silicon crystal panel is heated by the heating device, smoke will be generated. These smoke will be heated by the air through the smoke outlet branch pipe and the smoke outlet main pipe into the secondary combustion device. The heated smoke will generate heat, which will enter the flue gas heat exchanger through the connecting pipe. At the same time, the photovoltaic silicon crystal panel will generate waste heat after being cooled and broken by the air cooling device. The waste heat will be recovered by the waste heat recovery cover and the waste heat recovery pipe. The exhaust gas in the flue gas heat exchanger will be sucked into the interior of the flue gas heat exchanger by the induced draft fan. The exhaust gas in the flue gas heat exchanger will be sucked into the interior of the protective shell through the air inlet pipe, thereby heating the photovoltaic silicon panels inside the protective shell. The exhaust gas in the flue gas heat exchanger will be sucked into the cyclone spray tower by the induced draft fan for purification. The setting of the waste heat recovery hood, waste heat recovery pipe, air inlet pipe, secondary combustion device, flue gas heat exchanger, smoke outlet main pipe, smoke outlet branch pipe, connecting pipe, blower and smoke outlet can save the power consumption of tunnel electric heating and improve the efficiency of material processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the front view of the tunnel type heating device of the utility model.

[0022] Figure 2 It is a structural schematic diagram of the internal diagram of the tunnel type heating device of the utility model.

[0023] Figure 3 It is a structural schematic diagram of a top view of the tunnel type heating device of the utility model.

[0024] In the figure: 1. Support pad; 2. Support column; 3. Protection frame; 4. Waste heat recovery cover; 5. Waste heat recovery pipe; 6. Air intake pipe; 7. Secondary combustion device; 8. Flue gas heat exchanger; 9. Smoke outlet main pipe; 10. Smoke outlet branch pipe; 11. Belt body; 12. Transmission motor; 13. Protective shell; 14. Strengthening placement plate; 15. Conveyor belt body; 16. Rotating pipe; 17. Heating device; 18. Air cooling device; 19. Blower; 20. Smoke outlet; 21. Connecting pipe. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] The utility model provides Figure 1-3 The tunnel-type heating device shown is a tunnel-type heating device, comprising a protective frame 3 and a protective shell 13 arranged at the upper end of the protective frame 3; a rotating tube 16 is installed at the inner side of the protective frame 3, and a conveyor belt body 15 is installed on the inner side of the protective frame 3 and at the outer position of the rotating tube 16; a transmission motor 12 is arranged at the lower position of the protective frame 3, and the transmission motor 12 and the rotating tube 16 are connected through a belt body 11; a heating device 17 is installed at the right side of the upper inner wall of the protective shell 13, and an air cooling device 18 is installed on the upper inner wall of the protective shell 13 and at the left side of the heating device 17; the air cooling device 18, the heating device 17, and the transmission motor 12 are electrically connected to an external power supply; by setting the air cooling device 18 and the heating device 17, the efficiency of separating photovoltaic silicon panels can be improved.

[0027] like Figure 1 , Figure 2 and Figure 3As shown, in order to improve the efficiency of photovoltaic silicon crystal panel separation, when using the tunnel type heating device, since the protective housing 13 is provided with nine bin sections, the heating device 17 is first installed at the upper end of the first to seventh bin sections, and then the air cooling device 18 is installed at the upper end of the eighth to ninth bin sections, and then the air cooling device 18, the heating device 17, and the transmission motor 12 are connected to the external power supply. When the heating device 17 is energized, the heating tube inside the heating device 17 will heat up, thereby causing the ambient temperature to rise. When the air cooling device 18 is energized, the air inside the air cooling device 18 will The hair dryer blows air downward, and then the photovoltaic silicon crystal panel is placed on the upper end of the conveyor belt body 15. The conveyor belt body 15 will move the photovoltaic silicon crystal panel to the left. In the process of moving to the left, the photovoltaic silicon crystal panel will be heated by the heating device 17 and then cooled by the air cooling device 18. The large temperature difference will cause the photovoltaic silicon crystal panel to crack, thereby separating the glass, silicon wafer and welding ribbon. The setting of the air cooling device 18 and the heating device 17 can improve the efficiency of the photovoltaic silicon crystal panel separation, so that the glass, silicon wafer and welding ribbon can be better separated.

[0028] A smoke outlet branch pipe 10 is provided at the upper end of the protective shell 13, and a smoke outlet main pipe 9 is connected to the upper end of the smoke outlet branch pipe 10, and a secondary combustion device 7 is connected to the left side of the smoke outlet main pipe 9. A flue gas heat exchanger 8 is provided above the protective shell 13 and at the rear side of the secondary combustion device 7. The flue gas heat exchanger 8 and the secondary combustion device 7 are connected by a connecting pipe 21, and the flue gas heat exchanger 8 and the secondary combustion device 7 are electrically connected to an external power supply. A smoke outlet 20 is connected to the right side of the flue gas heat exchanger 8, an air intake pipe 6 is installed on the front side of the flue gas heat exchanger 8 and at the upper end of the protective shell 13, a waste heat recovery pipe 5 is provided at the rear side of the flue gas heat exchanger 8, and a blower 19 is provided at the external position of the waste heat recovery pipe 5, and a waste heat recovery cover 4 is connected to the lower end of the waste heat recovery pipe 5 and at the left side of the protective shell 13, and the blower 19 is electrically connected to an external power supply.

[0029] like Figure 1 , Figure 2 and Figure 3As shown, in order to save power consumption of tunnel electric heating and improve the efficiency of material processing, when using the tunnel heating device, the smoke outlet 20 is first connected to the cyclone spray tower through the induced draft fan. When the photovoltaic silicon crystal panel is heated by the heating device 17, smoke will be generated. The smoke will be accompanied by air through the smoke outlet branch pipe 10 and the smoke outlet main pipe 9 to enter the secondary combustion device 7 and be heated. The heated smoke will generate heat, which will enter the smoke heat exchanger 8 through the connecting pipe 21. At the same time, the photovoltaic silicon crystal panel will generate waste heat after being cooled and broken by the air cooling device 18. The waste heat will be recovered by the waste heat recovery cover 4 and the waste heat recovery cover 5. The exhaust gas in the flue gas heat exchanger 8 is sucked into the interior of the flue gas heat exchanger 8 by the exhaust pipe 5 and the blower 19. At this time, the heat in the flue gas heat exchanger 8 will re-enter the interior of the protective shell 13 through the air inlet pipe 6, thereby heating the photovoltaic silicon crystal panels in the protective shell 13, and the exhaust gas in the flue gas heat exchanger 8 will be sucked into the cyclone spray tower by the induced draft fan for purification. Through the arrangement of the waste heat recovery hood 4, the waste heat recovery pipe 5, the air inlet pipe 6, the secondary combustion device 7, the flue gas heat exchanger 8, the smoke outlet main pipe 9, the smoke outlet branch pipe 10, the connecting pipe 21, the blower 19 and the smoke outlet 20, the power consumption of the tunnel electric heating is saved and the efficiency of material processing is improved.

[0030] A support column 2 is provided at the lower end of the protective frame 3, and a support pad 1 is sleeved at the lower end of the support column 2. The support pad 1 is made of rubber material, and a reinforcing placement plate 14 is welded at the inner side of the support column 2. The support column 2 and the protective frame 3 are fixedly connected by welding. The protective frame 3, the support column 2 and the reinforcing placement plate 14 are all made of stainless steel material. Through the arrangement of the support column 2, the support pad 1 and the reinforcing placement plate 14, the stability of the placement of the tunnel type heating device is enhanced.

[0031] like Figure 1 and Figure 2 As shown, in order to enhance the placement stability of the tunnel-type heating device, when using the tunnel-type heating device, firstly, the support pad 1 is sleeved on the lower end of the support column 2, and then the support column 2 is welded to the lower end of the protective frame 3, and then the reinforcing placement plate 16 is welded on the inner side of the support column 2, and then the tunnel-type heating device is contacted with the ground through the support pad 1, so that the tunnel-type heating device is placed on the ground through the support column 2. Through the arrangement of the support column 2, the support pad 1 and the reinforcing placement plate 16, the placement stability of the tunnel-type heating device is enhanced, so that the tunnel-type heating device can be better used.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A tunnel heating device, characterized in that: include A protective frame (3) and a protective shell (13) arranged at the upper end of the protective frame (3); A rotating tube (16) is installed at an inner position of the protection frame (3), and a conveyor belt body (15) is installed at an inner side of the protection frame (3) and at an outer position of the rotating tube (16); A transmission motor (12) is provided below the protection frame (3), and the transmission motor (12) is connected to the rotating tube (16) via a belt body (11); A heating device (17) is installed on the right side of the upper inner wall of the protective shell (13), and an air cooling device (18) is installed on the left side of the upper inner wall of the protective shell (13); The air cooling device (18), the heating device (17), and the transmission motor (12) are electrically connected to an external power source; By providing the air cooling device (18) and the heating device (17), the efficiency of separating photovoltaic silicon crystal panels can be improved.

2. A tunnel heating device according to claim 1, characterized in that: A smoke outlet branch pipe (10) is arranged at the upper end of the protective shell (13), a smoke outlet main pipe (9) is connected to the upper end of the smoke outlet branch pipe (10), and a secondary combustion device (7) is connected to the left side of the smoke outlet main pipe (9).

3. A tunnel heating device according to claim 2, characterized in that: A flue gas heat exchanger (8) is arranged above the protective shell (13) and at the rear side of the secondary combustion device (7); the flue gas heat exchanger (8) and the secondary combustion device (7) are connected via a connecting pipe (21); and the flue gas heat exchanger (8) and the secondary combustion device (7) are electrically connected to an external power supply.

4. A tunnel heating device according to claim 3, characterized in that: The right side of the flue gas heat exchanger (8) is connected to a flue gas outlet (20), and the front side of the flue gas heat exchanger (8) and an air inlet pipe (6) is installed at the upper end of the protective shell (13).

5. A tunnel heating device according to claim 4, characterized in that: A waste heat recovery pipe (5) is arranged at the rear side of the flue gas heat exchanger (8), a blower (19) is arranged at the external position of the waste heat recovery pipe (5), a waste heat recovery cover (4) is connected to the lower end of the waste heat recovery pipe (5) and at the left side position of the protective shell (13), and the blower (19) is electrically connected to an external power supply.

6. The tunnel heating device according to claim 1, characterized in that: A support column (2) is provided at the lower end of the protection frame (3), a support pad (1) is sleeved at the lower end of the support column (2), and the support pad (1) is made of rubber material.

7. A tunnel heating device according to claim 6, characterized in that: A reinforcing placement plate (14) is welded at the inner side of the support column (2), and the support column (2) and the protective frame (3) are fixedly connected by welding.

8. A tunnel heating device according to claim 7, characterized in that: The protective frame (3), the support column (2) and the reinforced placement plate (14) are all made of stainless steel. The stability of the placement of the tunnel heating device is enhanced by the arrangement of the support column (2), the support pad (1) and the reinforced placement plate (14).

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