Smelting device for nonferrous metals

Abstract

The utility model relates to the field of metal smelting, in particular to a non-ferrous metal smelting device which comprises a device shell, a smelting cavity and heating coils, the smelting cavity is installed inside the device shell, the heating coils are arranged on the two sides of the smelting cavity, the upper end of the smelting cavity is communicated with a feeding port, the lower end of the smelting cavity is provided with a discharging port, and the right side of the upper end of the smelting cavity is communicated with an exhaust pipe. One end of the exhaust pipe penetrates through the upper end of the device shell and is communicated with the lower end of the interior of the waste gas treatment box, an exhaust fan is arranged on the exhaust pipe, and a filter screen is installed at the lower end of the interior of the waste gas treatment box. And the waste gas is filtered and adsorbed through the filter screen, the filler layer and the activated carbon adsorption layer, so that the pollution to the environment is reduced, and the requirement of clean production is met.

Description

Technical Field

[0001] The utility model relates to the technical field of metal smelting, in particular to a smelting device for nonferrous metals. Background Art

[0002] Nonferrous metals, in a narrow sense, are also called non-ferrous metals. They are a general term for all metals other than iron, manganese and chromium. Nonferrous metals are the basic materials for the development of the national economy. Most industries such as aviation, aerospace, automobiles, machinery manufacturing, electricity, communications, construction, and home appliances are based on nonferrous metal materials for production. Nonferrous metal smelting equipment is a production process that separates associated elements from ores, concentrates, secondary resources or other materials to produce nonferrous metals or their compounds. Most of the existing nonferrous metals are extracted from the ore by heating the ore and the reducing agent in a smelting furnace.

[0003] In the related art, most of the existing smelting devices have an opening directly on the top of the smelting furnace for the convenience of unloading during actual use. However, when the ore is smelted, the heat inside the smelting furnace is easy to escape from the opening, and waste gas is generated during the smelting of the ore. These waste gases are directly discharged from the opening, which not only pollutes the environment, but also causes harm to the health of the surrounding workers. For this reason, we propose a smelting device for non-ferrous metals.

[0004] The above information disclosed in this Background section is only for understanding the background of the present inventive concept and therefore it may contain information that does not constitute prior art. Utility Model Content

[0005] The purpose of the utility model is to provide a smelting device for nonferrous metals to solve the problem that most of the existing smelting devices proposed in the above background technology are directly provided with an opening on the top of the smelting furnace for the convenience of material unloading during actual use. However, when the ore is smelted, the heat inside the smelting furnace is easy to escape from the opening, and waste gas is generated during the smelting of the ore. These waste gases are directly discharged from the opening, which not only pollutes the environment, but also causes harm to the health of the surrounding workers.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A smelting device for nonferrous metals, comprising a mounting base, a device shell, a smelting chamber and a heating coil, wherein the device shell is mounted on the left side of the upper end of the mounting base, the lower end of the device shell is welded and fixed to the upper end of the mounting base through a supporting column, a smelting chamber is mounted inside the device shell, heating coils are symmetrically mounted on the left and right sides of the smelting chamber inside the device shell, connecting rods are symmetrically welded and fixed on the left and right sides of the lower end of the smelting chamber, one end of the connecting rod away from the smelting chamber is welded and fixed to the inside of the device shell, an inlet is connected to the central position of the upper end of the smelting chamber The feed port, the upper end of the feed port passes through the upper end of the device shell, the lower end of the smelting chamber is inclined, the lower end of the smelting chamber is connected to a discharge port, the lower end of the discharge port passes through the lower end of the device shell, a sealing valve is installed on the discharge port, an exhaust pipe is connected to the right side of the upper end of the smelting chamber, one end of the exhaust pipe passes through the upper end of the device shell and is connected to the inner lower end of the waste gas treatment box on the right side of the device shell, an exhaust fan is installed on the exhaust pipe, a filter is installed at the inner lower end of the waste gas treatment box, and the left side of the filter is fixed inside the block.

[0008] In some embodiments, the right side of the filter screen passes through the right side wall of the exhaust gas treatment box, a sealing plate is provided at the contact position between the filter screen and the exhaust gas treatment box, a connecting plate is fixedly installed on the right side of the filter screen, connecting studs are provided through the upper and lower ends of the connecting plate, one end of the connecting stud is welded and fixed to the right side of the exhaust gas treatment box, and a fastening nut is provided on the connecting stud.

[0009] In some embodiments, a packing layer is installed inside the exhaust gas treatment box above the filter screen, and the packing layer is filled with packing. The left and right sides of the packing layer are connected and fixed to the inner wall of the exhaust gas treatment box through connecting blocks, and an activated carbon adsorption layer is fixed inside the exhaust gas treatment box above the packing layer.

[0010] In some embodiments, a maintenance port is installed at the front end of the waste gas treatment box at a position corresponding to the packing layer, a circulation pipe is connected to the central position of the upper end of the waste gas treatment box, a circulation fan is installed on the circulation pipe, the left side of the circulation pipe is connected to the smelting chamber inside the device casing, and an outlet pipe is connected to the right side of the upper end of the waste gas treatment box, and a stop valve is provided on the outlet pipe.

[0011] In some embodiments, a cover plate is provided on the feed port, and magnetic blocks are symmetrically fixed on the left and right sides of the lower end of the cover plate, and magnetic seats are symmetrically fixed on the left and right sides of the upper end of the feed port, the magnetic blocks and the magnetic seats are fitted together, a handle is welded on the cover plate, and an insulation sleeve is installed on the handle.

[0012] In some embodiments, a controller is installed at the front end of the device housing, a pressure relief valve is installed on the left side of the upper end of the device housing, and the lower end of the pressure relief valve is connected to the inside of the smelting chamber.

[0013] The beneficial effects of the utility model are:

[0014] By arranging a feed port and a cover plate at the upper end of the smelting chamber, the disadvantages of the opening on the top of the smelting furnace are avoided, the heat loss inside the smelting furnace is reduced, and the smelting efficiency and quality are improved; a discharge port and a sealing valve are arranged to facilitate the discharge of the smelting product, and at the same time prevent the molten material from overflowing during the smelting process, thereby ensuring the safety of smelting; an exhaust pipe and an exhaust fan are arranged to transport the waste gas generated during the smelting process to the inside of the waste gas treatment box for treatment, and the waste gas is filtered and adsorbed by the filter net, the filler layer and the activated carbon adsorption layer, thereby reducing the pollution to the environment and meeting the requirements of clean production; a circulation pipe and a circulation fan are arranged, and the high-temperature waste gas can be circulated and transported to the smelting chamber as needed, and the thermal energy of the waste gas is utilized to reduce the energy consumption of the device and save energy; a controller is arranged to monitor and adjust various parameters of the smelting process in real time, thereby realizing the intelligent management and control of the smelting process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a nonferrous metal smelting device proposed by the utility model;

[0016] Figure 2 This is a front view of a nonferrous metal smelting device proposed by the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of a feed port of a nonferrous metal smelting device proposed by the utility model;

[0018] Figure 4 This is an enlarged view of point A of a nonferrous metal smelting device proposed by the utility model.

[0019] In the figure: 1 is the installation base plate, 2 is the device shell, 3 is the smelting chamber, 4 is the heating coil, 5 is the connecting rod, 6 is the discharge port, 7 is the support column, 8 is the feed port, 9 is the exhaust pipe, 10 is the exhaust gas treatment box, 11 is the activated carbon adsorption layer, 12 is the filler layer, 13 is the filler, 14 is the block, 15 is the connecting block, 16 is the circulation pipe, 17 is the circulation fan, 18 is the exhaust fan, 19 is the inspection port, 20 is the controller, 21 is the cover plate, 22 is the magnetic seat, 23 is the magnetic block, 24 is the handle, 25 is the insulation sleeve, 26 is the connecting plate, 27 is the sealing plate, 28 is the connecting stud, 29 is the fastening nut, 30 is the pressure relief valve, and 31 is the filter. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] It should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the utility model.

[0022] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] Reference Figure 1 , 2A smelting device for nonferrous metals comprises a mounting base plate 1, a device shell 2, a smelting chamber 3 and a heating coil 4. The device shell 2 is mounted on the left side of the upper end of the mounting base plate 1, and the lower end of the device shell 2 is welded and fixed to the upper end of the mounting base plate 1 through a supporting column 7. The smelting chamber 3 is mounted inside the device shell 2, and the heating coil 4 is symmetrically mounted on the left and right sides of the smelting chamber 3 inside the device shell 2. Connecting rods 5 are symmetrically welded and fixed on the left and right sides of the lower end of the smelting chamber 3, and one end of the connecting rod 5 away from the smelting chamber 3 is welded and fixed to the inside of the device shell 2. A feed port 8 is connected to the central position of the upper end of the smelting chamber 3, and the upper end of the feed port 8 passes through the upper end of the device shell 2. The lower end of the smelting chamber 3 is inclined, and the lower end of the smelting chamber 3 is connected to a A discharge port 6 is provided, the lower end of the discharge port 6 passes through the lower end of the device shell 2, and a sealing valve is installed on the discharge port 6. An exhaust pipe 9 is provided on the upper right side of the smelting chamber 3. One end of the exhaust pipe 9 passes through the upper end of the device shell 2 and is connected to the lower end of the interior of the waste gas treatment box 10 on the right side of the device shell 2. An exhaust fan 18 is installed on the exhaust pipe 9. A filter screen 31 is installed at the lower end of the interior of the waste gas treatment box 10. The left side of the filter screen 31 is fixed inside the block 14. The smelting chamber 3 is heated by the heating coil 4 to smelt the metal. The waste gas generated in the smelting process is transported to the waste gas treatment box 10 through the exhaust pipe 9 for treatment through the exhaust pipe 9 and the exhaust fan 18, so as to avoid direct discharge of waste gas and cause environmental pollution.

[0024] When the embodiments of the present utility model are implemented, Figure 1 , 2 4, the right side of the filter screen 31 passes through the right side wall of the exhaust gas treatment box 10, and a sealing plate 27 is provided at the contact position between the filter screen 31 and the exhaust gas treatment box 10. A connecting plate 26 is fixedly installed on the right side of the filter screen 31, and a connecting stud 28 is provided through the upper and lower ends of the connecting plate 26. One end of the connecting stud 28 is welded and fixed to the right side of the exhaust gas treatment box 10, and a fastening nut 29 is provided on the connecting stud 28. The interior of the exhaust gas treatment box 10 is provided with a A packing layer 12 is provided, and a packing 13 is filled inside the packing layer 12. The left and right sides of the packing layer 12 are connected and fixed to the inner wall of the exhaust gas treatment box 10 through a connecting block 23. An activated carbon adsorption layer 11 is fixedly provided above the packing layer 12 in the exhaust gas treatment box 10. The solid impurities in the exhaust gas are filtered through a filter net 31. The exhaust gas is treated by the packing layer 12 and the activated carbon adsorption layer 11 to reduce pollution to the environment. The packing is a ceramic packing soaked with sodium hydroxide absorption liquid to neutralize the exhaust gas.

[0025] When the embodiments of the present utility model are implemented, Figure 1 , 2As shown, the front end of the waste gas treatment box 10 is provided with an inspection port 19 at a position corresponding to the packing layer 12, a circulation pipe 16 is provided at the central position of the upper end of the waste gas treatment box 10, a circulation fan 17 is installed on the circulation pipe 16, the left side of the circulation pipe 16 is connected to the smelting chamber 3 inside the device shell 2, and the right side of the upper end of the waste gas treatment box 10 is connected to an outlet pipe, and a stop valve is provided on the outlet pipe. Through the circulation fan 17 and the circulation pipe 16, the high-temperature waste gas can be circulated into the smelting chamber 3 as needed, thereby reducing the heat loss inside the smelting chamber 3 and reducing the energy consumption of the device.

[0026] When the embodiments of the present utility model are implemented, Figure 1 , 3 As shown, a cover plate 21 is provided on the feed port 8, and magnetic blocks 23 are symmetrically fixed on the left and right sides of the lower end of the cover plate 21, and magnetic seats 22 are symmetrically fixed on the left and right sides of the upper end of the feed port 8, and the magnetic blocks 23 are fitted with the magnetic seats 22. A handle 24 is welded on the cover plate 21, and a heat insulation sleeve 25 is installed on the handle 24. A controller 20 is installed at the front end of the device shell 2, and a pressure relief valve 30 is installed on the left side of the upper end of the device shell 2. The lower end of the pressure relief valve 30 is connected to the inside of the smelting chamber 3, and the cover plate 21 is provided on the feed port 8. The cover plate 21 is fitted with the upper end of the feed port 8 and is fixed by magnetic connection, so as to facilitate the opening and closing of the cover plate 21.

[0027] In this embodiment, the metal raw material is fed into the smelting chamber 3 through the feed port 6. The feed port 6 is provided with a cover plate 21 and a magnetic attraction device, which can be easily opened, closed and sealed to prevent leakage of heat and exhaust gas. The smelting chamber 3 is heated by the heating coil 4 to melt the metal raw material and undergo a chemical reaction to obtain a metal product, which is discharged through the discharge port 6. The discharge port 6 is provided with a sealing valve to control the discharge speed and time. The exhaust gas generated during the smelting process is transported to the exhaust gas treatment box 10 through the exhaust pipe 9 for treatment. The exhaust gas treatment box 10 is provided with a filter screen 31, a packing layer 12 and an activated carbon adsorption layer 11, which can filter and adsorb solid impurities and harmful gases in the exhaust gas to reduce pollution to the environment. The exhaust gas treatment box 10 is also provided with a circulation pipe 16 and a circulation fan 17, which can circulate the high-temperature exhaust gas into the smelting chamber 3 to reduce the heat loss inside the smelting chamber 3 and reduce the energy consumption of the device.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A smelting device for nonferrous metals, comprising a mounting base plate (1), a device housing (2), a smelting chamber (3) and a heating coil (4), characterized in that: A device housing (2) is installed on the left side of the upper end of the installation base plate (1), and the lower end of the device housing (2) is welded and fixed to the upper end of the installation base plate (1) through a support column (7). A smelting chamber (3) is installed inside the device housing (2), and heating coils (4) are symmetrically installed on the left and right sides of the smelting chamber (3) inside the device housing (2). Connecting rods (5) are symmetrically welded and fixed on the left and right sides of the lower end of the smelting chamber (3), and one end of the connecting rod (5) away from the smelting chamber (3) is welded and fixed to the inside of the device housing (2). A feed port (8) is connected to the central position of the upper end of the smelting chamber (3), and the upper end of the feed port (8) passes through the device housing (2). The upper end of the smelting chamber (3) is inclined, and the lower end of the smelting chamber (3) is connected to a discharge port (6). The lower end of the discharge port (6) passes through the lower end of the device shell (2), and a sealing valve is installed on the discharge port (6). The right side of the upper end of the smelting chamber (3) is connected to an exhaust pipe (9). One end of the exhaust pipe (9) passes through the upper end of the device shell (2) and is connected to the lower end of the interior of the waste gas treatment box (10) on the right side of the device shell (2). An exhaust fan (18) is installed on the exhaust pipe (9). The lower end of the interior of the waste gas treatment box (10) is installed with a filter screen (31), and the left side of the filter screen (31) is fixed inside the block (14).

2. A non-ferrous metal smelting device according to claim 1, characterized in that: The right side of the filter screen (31) passes through the right side wall of the exhaust gas treatment box (10), and a sealing plate (27) is provided in affixed relationship with the contact position between the filter screen (31) and the exhaust gas treatment box (10). A connecting plate (26) is fixedly installed on the right side of the filter screen (31), and connecting studs (28) are provided through the upper and lower ends of the connecting plate (26). One end of the connecting stud (28) is welded and fixed to the right side of the exhaust gas treatment box (10), and a fastening nut (29) is provided on the connecting stud (28).

3. The non-ferrous metal smelting device according to claim 1, characterized in that: A packing layer (12) is installed inside the waste gas treatment box (10) above the filter screen (31), and a packing (13) is filled inside the packing layer (12). The left and right sides of the packing layer (12) are connected and fixed to the inner wall of the waste gas treatment box (10) through a connecting block (15), and an activated carbon adsorption layer (11) is fixedly arranged inside the waste gas treatment box (10) above the packing layer (12).

4. The non-ferrous metal smelting device according to claim 1, characterized in that: The front end of the waste gas treatment box (10) is provided with an inspection port (19) at a position corresponding to the packing layer (12); a circulation pipe (16) is provided at the central position of the upper end of the waste gas treatment box (10); a circulation fan (17) is installed on the circulation pipe (16); the left side of the circulation pipe (16) is connected to the smelting chamber (3) inside the device housing (2); the right side of the upper end of the waste gas treatment box (10) is provided with an outlet pipe; a stop valve is provided on the outlet pipe.

5. The non-ferrous metal smelting device according to claim 1, characterized in that: The feed port (8) is provided with a cover plate (21), and magnetic blocks (23) are symmetrically fixedly provided on the left and right sides of the lower end of the cover plate (21), and magnetic seats (22) are symmetrically fixedly provided on the left and right sides of the upper end of the feed port (8), and the magnetic blocks (23) are fitted with the magnetic seats (22). A handle (24) is welded on the cover plate (21), and a heat insulation sleeve (25) is installed on the handle (24).

6. The non-ferrous metal smelting device according to claim 1, characterized in that: A controller (20) is installed at the front end of the device housing (2), a pressure relief valve (30) is installed on the left side of the upper end of the device housing (2), and the lower end of the pressure relief valve (30) is connected to the interior of the smelting chamber (3).

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