High-effect melting furnace for magnesium metal smelting

Abstract

The utility model relates to the technical field of magnesium smelting, in particular to a high-efficiency melting furnace for magnesium metal smelting, and aims to solve the technical problem that the interior of a melting furnace in the prior art is inconvenient to maintain and replace after being used for a long time, one sides of two furnace chambers are connected through a hinge, and heating elements are arranged in the two furnace chambers. A first semicircular groove and a second semicircular groove which are communicated are formed in the inner surfaces of the furnace chambers, the first semicircular groove and the second semicircular groove of the two furnace chambers can be spliced, the heating tank is located in the first semicircular groove, the upper portion of the heating tank is communicated with an exhaust pipe, the exhaust pipe is located in the second semicircular groove, and the upper portion of the heating tank is communicated with a feeding pipe in a split sealing mode and connected to the furnace chambers. The lower end of the heating tank is sealed and blocked through the sealing valve, the sealing valve is arranged on the lower portion of the furnace chamber in an openable and closable mode, after the heating element heats ore to be in a molten state, waste gas is exhausted through the exhaust pipe, the sealing valve is opened to exhaust liquid raw materials, heating is completed, and when the heating tank is replaced, the furnace chamber is opened for replacement without tedious maintenance.

Description

Technical Field

[0001] The utility model relates to the technical field of magnesium smelting, and specifically relates to a high-efficiency melting furnace for smelting metal magnesium. Background Art

[0002] The melting furnace is a key piece of equipment in the magnesium smelting process. It is responsible for heating raw materials such as magnesium ore and magnesium alloy scrap to a molten state, providing high-quality liquid magnesium for subsequent refining and casting processes. The performance of the melting furnace directly affects the purity, chemical composition, and physical properties of magnesium. An efficient and stable melting furnace ensures that impurities are fully removed and the chemical composition is uniform during the magnesium melting process, thereby improving the quality and market competitiveness of magnesium products.

[0003] The existing melting furnace is not easy to repair or replace after long-term use. The utility model solves the above problem. Utility Model Content

[0004] The utility model aims to solve the problem that the interior of the melting furnace in the prior art is inconvenient to repair and replace after long-term use. The utility model solves the technical problem of the above-mentioned problem and further provides a high-efficiency melting furnace for smelting metal magnesium.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-efficiency melting furnace for smelting magnesium metal, comprising: a furnace chamber, two furnace chambers connected on one side by a hinge, heating elements provided in both furnace chambers, the inner surfaces of the furnace chambers are provided with a connected semicircular groove 1 and a semicircular groove 2, the semicircular groove 1 and the semicircular groove 2 of the two furnace chambers can be spliced ​​together, the heating tank is located in the semicircular groove 1, an exhaust pipe is connected above the heating tank, the exhaust pipe is located in the semicircular groove 2, the upper part of the heating tank is separately sealed and connected to a feed pipe, the feed pipe is connected to the furnace chamber, the lower end of the heating tank is sealed and blocked by a sealing valve, and the sealing valve can be opened and closed and is arranged at the lower part of the furnace chamber.

[0006] Preferably, the heating tank is connected with a support ear, which can be fixed in a support ear groove by a bolt, and the support ear groove is located inside the furnace chamber on one side.

[0007] Preferably, the heating element is a spiral resistance wire, which is evenly divided into two parts along the longitudinal direction. The two parts of the spiral resistance wire are respectively located in the threaded holes of the two furnace chambers, and the threaded holes surround the lower part of the semicircular groove. When the two furnace chambers are closed, the two parts of the spiral resistance wire are spliced ​​and connected.

[0008] Preferably, the upper portion of the sealing valve is conical, the lower ends of all the sealing valves are connected to a connecting plate, both ends of the connecting plate are connected to the telescopic ends of the hydraulic cylinder, and the fixed end of the hydraulic cylinder is connected to the outer wall of the furnace chamber on one side.

[0009] Compared with the prior art, the beneficial effects of the present invention are:

[0010] After the magnesium alloy raw materials are injected into the feed pipe, it is closed and the ore is heated by the heating element into a molten state. The exhaust gas is then discharged through the exhaust pipe. The sealing valve is opened to discharge the liquid raw materials to complete the heating. When replacing the heating tank, the furnace chamber can be opened for convenient replacement without the need for tedious maintenance.

[0011] The spiral resistance wire is wrapped around the heating tank to achieve a very good heating effect, and the two parts of the spiral resistance wire set separately will not interfere with the opening and closing of the furnace chamber. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the structure of the utility model Figure 1 ;

[0013] Figure 2 This is a schematic diagram of the structure of the utility model Figure 2 ;

[0014] Figure 3 This is a schematic diagram of the structure of the utility model Figure 3 ;

[0015] In the figure: furnace chamber 1; hinge 2; semicircular groove 1 3; semicircular groove 2 4; heating tank 5; exhaust pipe 6; feed pipe 7; sealing valve 8; support ear 9; support ear groove 10; spiral resistance wire 11; threaded hole 12; hydraulic cylinder 13. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] The rotational connection described in this device refers to the process of baking the bearing on the shaft, providing a spring retaining ring groove on the shaft or the shaft hole, and clamping the elastic retaining ring in the retaining ring groove to achieve axial fixation of the bearing and realize rotation; the articulation refers to a connection method that is achieved by performing activities on connecting parts such as hinges, pins and short shafts.

[0018] The present invention will be described in detail below with reference to the accompanying drawings. Example

[0019] The following is combined with Figure 1-3The present embodiment describes a high-efficiency melting furnace for smelting magnesium metal, comprising a furnace chamber 1, one side of the two furnace chambers 1 being connected by a hinge 2, a heating element being provided in each of the two furnace chambers 1, and an inner surface of the furnace chamber 1 being provided with a communicating semicircular groove 1 3 and a communicating semicircular groove 2 4, the semicircular groove 1 3 and the semicircular groove 2 4 of the two furnace chambers 1 being capable of being spliced ​​together, a heating tank 5 being located in the semicircular groove 1 3, an exhaust pipe 6 being connected above the heating tank 5, the exhaust pipe 6 being located in the semicircular groove 2 4, a feed pipe 7 being separately and sealedly connected to the upper portion of the heating tank 5, the feed pipe 7 being connected to the furnace chamber 1, and a sealing valve 8 being sealed and blocked at the lower end of the heating tank 5, the sealing valve 8 being openable and closable and located at the lower portion of the furnace chamber 1;

[0020] After the magnesium alloy is injected into the heating tank 5 through the feeding pipe 7, the feeding pipe 7 is closed, the heating element in the furnace chamber 1 is turned on, the magnesium alloy in the heating tank 5 enters a molten state, and the exhaust gas is discharged through the exhaust pipe 6. When discharging, the sealing valve 8 is opened to discharge the molten raw materials, completing the melting. When the heating tank 5 needs to be replaced after multiple uses, the movable furnace chamber 1 is controlled to rotate around the hinge 2 axis to open, and the heating tank 5 can be replaced without the need for tedious maintenance.

[0021] The heating tank 5 is connected to a support ear 9, which can be fixed in a support ear slot 10 by bolts. The support ear slot 10 is located inside the furnace chamber 1 on one side.

[0022] The heating tank 5 is fixed by bolting the lugs 9, which ensures a firm connection and convenient disassembly.

[0023] The heating element is a spiral resistance wire 11, which is evenly divided into two parts along the longitudinal direction. The two parts of the spiral resistance wire 11 are respectively located in the threaded holes 12 of the two furnace chambers 1. The threaded holes 12 surround the lower part of the semicircular groove 3. When the two furnace chambers 1 are closed, the two parts of the spiral resistance wire 11 are spliced ​​and connected;

[0024] The spiral resistance wire 11 surrounds the heating tank 5 to achieve a very good heating effect, and the two separate parts of the spiral resistance wire will not interfere with the opening and closing of the furnace chamber 1.

[0025] Preferably, the upper portion of the sealing valve 8 is conical, and the lower ends of all sealing valves 8 are connected to the connecting plate 14. The two ends of the connecting plate 14 are connected to the telescopic ends of the hydraulic cylinder 13, and the fixed end of the hydraulic cylinder 13 is connected to the outer wall of the furnace chamber 1 on one side.

[0026] During discharge, the telescopic end of the hydraulic cylinder 13 is controlled to extend, and the telescopic end of the hydraulic cylinder 13 drives all the sealing valves 8 to separate from the lower part of the heating tank 5 through the connecting plate 14, and the molten alloy is discharged along the bottom of the heating tank 5. The conical sealing valve 8 makes the sealing effect better, and the solid and simple structure of the sealing valve 8 has a higher structural strength and is not easily damaged when subjected to high temperatures.

[0027] In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "connected," and "fixed" should be understood in a broad sense. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; and internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention in specific circumstances.

[0028] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.

[0029] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency melting furnace for smelting magnesium metal, characterized by: include: A furnace chamber (1), one side of the two furnace chambers (1) is connected by a hinge (2), and a heating element is provided in each of the two furnace chambers (1). The inner surface of the furnace chamber (1) is provided with a semicircular groove 1 (3) and a semicircular groove 2 (4) that are connected. The semicircular groove 1 (3) and the semicircular groove 2 (4) of the two furnace chambers (1) can be spliced ​​together. The heating tank (5) is located in the semicircular groove 1 (3). The upper part of the heating tank (5) is connected to the exhaust pipe (6), and the exhaust pipe (6) is located in the semicircular groove 2 (4). The upper part of the heating tank (5) is connected to the feed pipe (7) in a split and sealed manner. The feed pipe (7) is connected to the furnace chamber (1). The lower end of the heating tank (5) is sealed and blocked by a sealing valve (8). The sealing valve (8) can be opened and closed and is located at the lower part of the furnace chamber (1).

2. The high-efficiency melting furnace for smelting magnesium metal according to claim 1, characterized in that: The heating tank (5) is connected to a support ear (9), which can be fixed in a support ear slot (10) by means of bolts. The support ear slot (10) is located inside the furnace chamber (1) on one side.

3. The high-efficiency melting furnace for smelting magnesium metal according to claim 1, characterized in that: The heating element is a spiral resistance wire (11), which is evenly divided into two parts along the longitudinal direction. The two parts of the spiral resistance wire (11) are respectively located in the threaded holes (12) of the two furnace chambers (1). The threaded holes (12) surround the lower part of the semicircular groove (3). When the two furnace chambers (1) are closed, the two parts of the spiral resistance wire (11) are spliced ​​together and connected.

4. The high-efficiency melting furnace for smelting magnesium metal according to claim 1, characterized in that: The upper portion of the sealing valve (8) is conical, and the lower ends of all the sealing valves (8) are connected to the connecting plate (14). The two ends of the connecting plate (14) are connected to the telescopic ends of the hydraulic cylinder (13), and the fixed end of the hydraulic cylinder (13) is connected to the outer wall of the furnace chamber (1) on one side.

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