Hydrogen decrepitation furnace facilitating feeding and discharging

Abstract

The hydrogen decrepitation furnace comprises a main body frame, a heating furnace, an electric furnace frame and an electric furnace, the heating furnace and a driving mechanism for driving the electric furnace to rotate are arranged on the main body frame, and the left side of the main body frame is higher than the right side of the main body frame so that the heating furnace can be obliquely arranged upwards from right to left. The heating furnace is provided with a feeding and discharging port and a valve for opening and closing the feeding and discharging port, the side, corresponding to the feeding and discharging port, of the heating furnace is connected with a gas control device, and the feeding and discharging port is formed in the left side of the main body frame. The heating furnace is lifted through the lifting mechanism so that materials in the hydrogen decrepitation furnace can be poured conveniently, the electric furnace frames are arranged on the two sides of the main body frame, the electric furnace frames are arranged to be matched with the inclination angle of the main body frame, the electric furnaces are correspondingly arranged on the electric furnace frames, and moving mechanisms for driving the electric furnaces to be opened and closed are arranged on the two electric furnace frames. And the feeding and discharging time is greatly saved.

Description

Technical Field

[0001] The utility model relates to the technical field of hydrogen crushing furnaces, in particular to a hydrogen crushing furnace which is convenient for loading and unloading. Background Art

[0002] Hydrogen crushing furnace, also known as hydrogen breaking furnace, is a processing equipment for NdFeB alloy materials. Its principle is to use the characteristics of grain boundary fracture and trans-grain boundary fracture produced by the rare earth permanent magnet alloy itself during hydrogen absorption and dehydrogenation to cause alloy pulverization, thereby obtaining alloy powder of a certain particle size. After the NdFeB ingot is processed by hydrogen crushing furnace, it can directly enter the next process - air flow grinding, which can effectively reduce the oxidation probability of the material.

[0003] The feed pipe and the discharge pipe of the existing hydrogen crushing furnace are respectively arranged at the two ends of the cylinder, for example, a hydrogen crushing furnace for hydrogenation of rare earth alloy powder disclosed in a Chinese patent (application number 201020613042.X), but the overall volume of the hydrogen crushing furnace equipment is large, resulting in the need to occupy a large space, and at the same time, the hydrogen crushing furnace has many openings, which is prone to leakage, thereby easily causing external oxygen to enter. For this reason, technicians set the feed end and the discharge end of the hydrogen crushing furnace on the same side of the hydrogen crushing furnace, for example, a mainframe structure of a hydrogen crushing furnace disclosed in a Chinese patent (application publication number CN113560584B), but the existing hydrogen crushing furnace is still inconvenient to load and unload, so further improvement is needed. Summary of the invention

[0004] The utility model aims to provide a hydrogen crushing furnace which is convenient for loading and unloading materials. The heating furnace is arranged to have a structure which is downwardly inclined from an inlet and outlet to the other side, so that materials can be directly fed into the inlet and outlet of the heating furnace. At the same time, the heating furnace can be lifted up away from the inlet and outlet by only lifting through a lifting mechanism, so as to facilitate dumping of materials in the hydrogen crushing furnace.

[0005] The above technical objectives of the utility model are achieved through the following technical solutions: a hydrogen crushing furnace that is convenient for loading and unloading, comprising a main frame, a heating furnace, an electric furnace frame and an electric furnace, the main frame is provided with a heating furnace and a driving mechanism for driving the electric furnace to rotate, the left side of the main frame is higher than the right side so that the heating furnace is tilted upward from right to left, the heating furnace is provided with an inlet and outlet and a valve for opening and closing the inlet and outlet, a gas control device is connected to one side of the heating furnace corresponding to the inlet and outlet, the inlet and outlet is arranged on the left side of the main frame, a lifting mechanism for lifting the right side of the heating furnace is arranged on the right side of the main frame, the heating furnace is lifted by the lifting mechanism to facilitate dumping of materials in the hydrogen crushing furnace, the electric furnace frames are arranged on both sides of the main frame, the electric furnace frames are arranged to match the inclination angle of the main frame, the electric furnace is correspondingly arranged on the electric furnace frames, and the two electric furnace frames are provided with a moving mechanism for driving the electric furnace to open and close.

[0006] Furthermore, a cooling device is provided at the bottom of the main frame, and the cooling device is arranged to match the inclination angle of the main frame. The cooling device includes a water tank and a lifting mechanism for driving the water tank to rise and fall. A spraying mechanism and a water return circulation mechanism are provided in the water tank.

[0007] Furthermore, the main frame includes a base and a frame, the base is arranged to be tilted upward from right to left, the frame is arranged on the base and the left end of the frame is hinged to the base, the electric furnace is rotatably mounted on the frame, the lower end of the lifting mechanism is hinged to the base, the output end of the lifting mechanism is hinged to the frame, and the lifting mechanism can drive the frame to rotate with the hinged end of the frame as the fulcrum when lifting.

[0008] Furthermore, the gas control device is connected to the pipe opening on the inlet and outlet side of the heating furnace through a pipeline, and the gas inside the heating furnace is controlled by the gas control device.

[0009] Furthermore, a fixed frame and a feeding device arranged on the fixed frame are arranged on the left side of the hydrogen crushing furnace, and the feeding device can reciprocate along the inclined direction of the main frame to make the spiral feeding pipe of the feeding device dock or separate with the inlet and outlet of the heating furnace.

[0010] Furthermore, a fixed frame and a feeding device arranged on the fixed frame are provided on the left side of the hydrogen crushing furnace. The feeding device includes a feeding cart, a feeding pipe connected to the feeding cart, and a vibrating feeder for stable feeding. The feeding device can reciprocate along the inclined direction of the main frame to make the feeding pipe of the feeding device dock or separate with the inlet and outlet of the heating furnace.

[0011] Furthermore, a feeding platform is provided on the fixed frame, and the material is added into the feed cart of the feeding device through the feeding platform.

[0012] Furthermore, the inclination angle of the main frame is A, wherein 10°≤A≤40°.

[0013] In summary, the utility model has the following beneficial effects:

[0014] The hydrogen crushing furnace of the utility model arranges the heating furnace into a structure that is inclined downward from the inlet and outlet to the other side, which can facilitate direct feeding into the inlet and outlet of the heating furnace. At the same time, the heating furnace can be lifted up away from the inlet and outlet only by lifting through the lifting mechanism, so as to facilitate dumping of the materials in the hydrogen crushing furnace, thereby greatly saving the time for loading and unloading. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view of the utility model.

[0016] Figure 2 It is a first-view structural schematic diagram of the charging device and the hydrogen crushing furnace of the utility model.

[0017] Figure 3 It is a structural schematic diagram of the hydrogen crushing furnace of the utility model.

[0018] Figure 4 It is a top view of the utility model.

[0019] Figure 5 It is a second perspective structural schematic diagram of the charging device and the hydrogen crushing furnace of the utility model.

[0020] Figure 6 It is a third perspective structural schematic diagram of the charging device and the hydrogen crushing furnace of the utility model.

[0021] In the figure: 10, main frame; 11, base; 12, frame; 20, heating furnace; 21, inlet and outlet; 30, electric furnace frame; 40, electric furnace; 50, gas control device; 60, lifting mechanism; 70, cooling device; 71, water tank; 72, lifting mechanism; 80, fixed frame; 81, feeding device; 82, feeding platform. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings.

[0023] like Figure 1-6 As shown, a hydrogen crushing furnace that is convenient for loading and unloading includes a main frame 10, a heating furnace 20, an electric furnace frame 30 and an electric furnace 40. The main frame 10 is provided with the heating furnace 20 and a driving mechanism for driving the electric furnace 40 to rotate. The left side of the main frame 10 is higher than the right side so that the heating furnace 20 is tilted upward from right to left. Further, the main frame 10 includes a base 11 and a frame 12. The base 11 is tilted upward from right to left. The frame 12 is arranged on the base 11 and the left end of the frame 12 is hinged to the base 11. The electric furnace 40 is rotatably mounted on the frame 12. In the utility model, the inclination angle of the main frame 10 is A, that is, in the initial state, the inclination angle of the electric furnace 40 is A, wherein 10°≤A≤40°, preferably 15°.

[0024] The heating furnace 20 is provided with an inlet and outlet 21 and a valve for opening and closing the inlet and outlet 21, that is, the feed port and the discharge port of the heating furnace 20 of the utility model are the same, namely, the inlet and outlet 21, and a gas control device 50 is connected to the side of the heating furnace 20 corresponding to the inlet and outlet 21. Furthermore, the gas control device 50 is connected to the pipe opening on the side of the inlet and outlet 21 of the heating furnace 20 through a pipeline, and the gas inside the heating furnace 20 is controlled by the gas control device 50, for example, the heating furnace 20 is vacuumed, oxygen is discharged, and hydrogen is filled.

[0025] The inlet and outlet ports 21 of the heating furnace 20 are arranged on the left side of the main frame 10, and a lifting mechanism 60 for lifting the right side of the heating furnace 20 is arranged on the right side of the main frame 10. The heating furnace 20 is lifted by the lifting mechanism 60 to facilitate dumping of materials in the hydrogen crushing furnace. Specifically, the lower end of the lifting mechanism 60 is hinged to the base 11, and the output end of the lifting mechanism 60 is hinged to the frame 12. When the lifting mechanism 60 is lifted, it can drive the frame 12 to rotate with the hinged end of the frame 12 as the fulcrum. The lifting mechanism 60 of the utility model is a cylinder, and the cylinder is provided with two groups and is respectively arranged on both sides of the frame 12.

[0026] The electric furnace racks 30 are arranged on both sides of the main frame 10, and the electric furnace racks 30 are arranged to match the inclination angle of the main frame 10. The electric furnaces 40 are correspondingly arranged on the electric furnace racks 30. The two electric furnace racks 30 are provided with moving mechanisms for driving the electric furnaces 40 to open and close. The electric furnaces 40 on the left and right sides are semi-cylindrical structures respectively. The moving mechanisms can drive the electric furnaces 40 to move horizontally relative to the electric furnace racks 30, thereby controlling the two electric furnaces 40 to be opened or closed.

[0027] A cooling device 70 is provided at the bottom of the main frame 10. The cooling device 70 is arranged to match the inclination angle of the main frame 10. The cooling device 70 includes a water tank 71 and a lifting mechanism 72 for driving the water tank 71 to rise and fall. A spraying mechanism and a return water circulation mechanism are provided in the water tank 71. The water tank 71 is used to hold cooling water. The cooling water is sprayed on the heating furnace 20 through the spraying mechanism to cool the heating furnace 20. The return water circulation mechanism is used to circulate the cooling water.

[0028] A fixed frame 80 and a feeding device 81 arranged on the fixed frame 80 are provided on the left side of the hydrogen crushing furnace. Embodiment 1 of the feeding device 81: the feeding device 81 can reciprocate along the tilting direction of the main frame 10 so that the spiral feeding pipe of the feeding device 81 can be docked or separated with the inlet and outlet 21 of the heating furnace 20. The feeding device 81 can be specifically referred to as a feeding device for a hydrogen crushing furnace disclosed in a Chinese patent (application publication number CN218786385U). Embodiment 2 of the feeding device 81: a fixed frame 80 and a feeding device 81 arranged on the fixed frame 80 are provided on the left side of the hydrogen crushing furnace. The feeding device 81 includes a feeding car, a feeding pipe connected to the feeding car, and a vibrating feeder for stable feeding. The feeding device 81 can reciprocate along the tilting direction of the main frame 10 so that the feeding pipe of the feeding device 81 can be docked or separated with the inlet and outlet 21 of the heating furnace 20.

[0029] Furthermore, a feeding platform 82 is provided on the fixing frame 80, and materials are added into the material cart of the feeding device 81 through the feeding platform 82. The feeding platform 82 is arranged at the top of the fixing frame 80, and the feeding platform 82 can be an electric hoist.

[0030] In summary, the utility model has the following beneficial effects:

[0031] The hydrogen crushing furnace of the present invention arranges the heating furnace 20 to be inclined downward from the inlet and outlet 21 to the other side, which can facilitate direct feeding into the inlet and outlet 21 of the heating furnace 20. At the same time, the heating furnace 20 can be lifted up away from the inlet and outlet 21 by only lifting the lifting mechanism 60, so as to facilitate dumping of the materials in the hydrogen crushing furnace, thereby greatly saving the time for loading and unloading.

[0032] The above description is only a preferred embodiment of the present utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. A hydrogen crushing furnace that is convenient for loading and unloading, characterized in that: The invention comprises a main frame (10), a heating furnace (20), an electric furnace frame (30) and an electric furnace (40). The main frame (10) is provided with a heating furnace (20) and a driving mechanism for driving the electric furnace (40) to rotate. The left side of the main frame (10) is higher than the right side so that the heating furnace (20) is tilted upward from right to left. The heating furnace (20) is provided with an inlet and outlet (21) and a valve for opening and closing the inlet and outlet (21). A gas control device (50) is connected to one side of the heating furnace (20) corresponding to the inlet and outlet (21). The inlet and outlet (21) is arranged on the left side of the main frame (10). A lifting mechanism (60) for lifting the right side of the heating furnace (20) is arranged on the right side of the main frame (10). The heating furnace (20) is lifted by the lifting mechanism (60) to facilitate dumping of materials in the hydrogen crushing furnace. The electric furnace frame (30) is arranged on both sides of the main frame (10). The electric furnace (40) is arranged on the electric furnace frame (30) to match the inclination angle of the main frame (10), and the electric furnace (40) is arranged on the electric furnace frame (30) accordingly. The two electric furnace frames (30) are provided with a moving mechanism for driving the electric furnace (40) to open and close.

2. A hydrogen crushing furnace that is convenient for loading and unloading according to claim 1, characterized in that: A cooling device (70) is provided at the bottom of the main frame (10), and the cooling device (70) is arranged to match the inclination angle of the main frame (10). The cooling device (70) comprises a water tank (71) and a lifting mechanism (72) for driving the water tank (71) to rise and fall. A spraying mechanism and a water return circulation mechanism are provided in the water tank (71).

3. A hydrogen crushing furnace that is convenient for loading and unloading according to claim 1, characterized in that: The main frame (10) comprises a base (11) and a frame (12); the base (11) is arranged to be tilted upward from right to left; the frame (12) is arranged on the base (11) and the left end of the frame (12) is hinged to the base (11); the electric furnace (40) is rotatably mounted on the frame (12); the lower end of the lifting mechanism (60) is hinged to the base (11); the output end of the lifting mechanism (60) is hinged to the frame (12); and the lifting mechanism (60) can drive the frame (12) to rotate with the hinged end of the frame (12) as a rotation fulcrum when lifting.

4. The hydrogen crushing furnace that is convenient for loading and unloading according to claim 1 is characterized in that: The gas control device (50) is connected to the pipe opening on the side of the material inlet and outlet (21) of the heating furnace (20) through a pipeline, and the gas inside the heating furnace (20) is controlled by the gas control device (50).

5. The hydrogen crushing furnace that is convenient for loading and unloading according to claim 1 is characterized in that: A fixed frame (80) and a feeding device (81) arranged on the fixed frame (80) are arranged on the left side of the hydrogen crushing furnace. The feeding device (81) can reciprocate along the inclined direction of the main frame (10) so that the spiral feeding pipe of the feeding device (81) can be connected or separated from the inlet and outlet port (21) of the heating furnace (20).

6. The hydrogen crushing furnace that is convenient for loading and unloading according to claim 1 is characterized in that: A fixed frame (80) and a feeding device (81) arranged on the fixed frame (80) are arranged on the left side of the hydrogen crushing furnace. The feeding device (81) includes a feeding car, a feeding pipe connected to the feeding car, and a vibrating feeder for stable feeding. The feeding device (81) can reciprocate along the inclined direction of the main frame (10) so that the feeding pipe of the feeding device (81) can be connected to or separated from the inlet and outlet port (21) of the heating furnace (20).

7. A hydrogen crushing furnace that is convenient for loading and unloading according to claim 5 or 6, characterized in that: The fixing frame (80) is provided with a feeding platform (82), and materials are added into the material cart of the feeding device (81) through the feeding platform (82).

8. A hydrogen crushing furnace that is convenient for loading and unloading according to any one of claims 1 to 6, characterized in that: The inclination angle of the main frame (10) is A, wherein 10°≤A≤40°.

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