Novel smelting crucible special for niobium and tantalum

Abstract

The utility model provides a novel special smelting crucible for niobium and tantalum, which comprises a crucible body and a filter structure, the top of one side surface of the crucible body is communicated with a sprue, the filter structure comprises a filter screen box, the filter screen box is placed at the upper part of the inner cavity of the crucible body, and the filter screen box is communicated with the sprue. A conical funnel communicated with the interior of the filter screen box is arranged at the bottom of the filter screen box, a vertical rod is vertically and fixedly connected to the other side of the top of the filter screen box, and the top end of the vertical rod extends out of the crucible body. According to the novel smelting crucible special for niobium and tantalum, after the filter screen box is placed in the crucible body, the bottom of the filter screen box makes contact with the top of the containing block, the filter screen box is limited, when the crucible body pours a solution, the solution enters the filter screen box through a conical funnel, the filter screen box filters impurities in the solution, and the impurities in the solution are filtered out; and the filtered solution flows out through the pouring gate, impurities in the metal solution are filtered, and the later-stage finished product quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of smelting crucibles, in particular to a new type of niobium and tantalum special smelting crucible. Background Art

[0002] A melting crucible is a laboratory equipment used for heating solid materials at high temperatures. It has a variety of models and specifications, is highly applicable, and can ensure the purity of the smelted material. The crucible should be placed in a dry place to avoid rain intrusion. Before use, it needs to be slowly baked to about 500 degrees Celsius to ensure that it adapts to high temperature environments. Niobium and tantalum are two rare metals. They belong to the same family in the periodic table of chemical elements and have very similar physical and chemical properties.

[0003] In the prior art, the metal and non-metal impurities contained in the rare metal liquid will seriously affect the quality of the niobium-tantalum alloy and the reliability of the product. However, when pouring the solution from the crucible containing the niobium-tantalum metal liquid, the slag and solvent in the solution are easily poured out, thereby reducing the quality of the finished niobium-tantalum alloy.

[0004] Therefore, it is necessary to provide a new type of niobium and tantalum special melting crucible to solve the above technical problems. Summary of the invention

[0005] The utility model provides a novel niobium-tantalum special smelting crucible, which solves the technical problem that during the process of pouring the solution from the crucible containing niobium-tantalum metal liquid, slag and solvent in the solution are easily poured out.

[0006] In order to solve the above technical problems, the utility model provides a new type of niobium-tantalum special melting crucible, including a crucible body and a filtering structure, the top of one side of the crucible body is connected with a pouring port, the filtering structure includes a filtering mesh box, the filtering mesh box is placed at the upper part of the inner cavity of the crucible body, the bottom of the filtering mesh box is provided with a conical funnel connected with the interior thereof, the other side of the top of the filtering mesh box is vertically fixedly connected with a vertical rod, and the top end of the vertical rod extends to the outside of the crucible body;

[0007] A fixing block is fixedly connected to the other side of the top of the crucible body, and a clamping structure for locking and limiting the filter box is provided on the fixing block.

[0008] Preferably, a plurality of placement blocks are fixedly connected to the upper portion of the inner wall of the filter box, and the filter box is placed on top of the placement blocks.

[0009] Preferably, the clamping structure includes a disc and a bolt, the bolt is transversely arranged on the fixing block, the disc is fixedly connected to the upper part of the vertical rod surface, and one end of the bolt is rotatably connected to a U-shaped plate adapted to the disc.

[0010] Preferably, a limit rod is transversely fixedly connected to the top of the U-shaped plate, the other end of the limit rod can be pulled through a side surface of the fixing block, and the other end of the bolt is fixedly connected to a torsion handle.

[0011] Preferably, a plurality of hanging plates are fixedly connected to the top of the side wall of the crucible body, and the plurality of hanging plates are evenly spaced and distributed in a ring shape along the surface of the crucible body.

[0012] Preferably, the side wall of the filter box is detachably provided with a cleaning cover plate by means of a plurality of screws.

[0013] Compared with the related art, the new niobium-tantalum special melting crucible provided by the utility model has the following beneficial effects:

[0014] The utility model provides a novel niobium-tantalum special smelting crucible. After a filter screen box is placed inside a crucible body, the bottom of the filter screen box contacts the top of a placing block to limit the filter screen box. When the crucible body pours a solution, the solution enters the inside of the filter screen box through a conical funnel, and the filter screen box filters impurities in the solution. The filtered solution flows out through a pouring gate to filter impurities in the metal solution, thereby improving the quality of a finished product in the later stage. When the filter screen box is placed inside the crucible body, a worker twists a bolt to drive a U-shaped plate to move. After the U-shaped plate is sleeved on the surface of a vertical rod, the bottom of the U-shaped plate contacts the upper surface of a disc. When the crucible body is tilted, the working position of the filter screen box is locked and fixed to avoid displacement of the filter screen box and improve the stability of the filter screen box in the process of filtering the solution. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic structural diagram of a preferred embodiment of a new type of niobium-tantalum special melting crucible provided by the utility model;

[0016] Figure 2 for Figure 1 The schematic diagram of the structure of the front cross-section shown;

[0017] Figure 3 for Figure 2 A local enlarged view of point A is shown;

[0018] Figure 4 for Figure 1 The schematic diagram of the structure of the U-shaped plate and the disc shown;

[0019] Figure 5 for Figure 1 The schematic diagram of the structure of the filter box and the cleaning cover is shown.

[0020] Numbers in the figure: 1. Crucible body; 2. Filter box; 3. Placement block; 4. Conical funnel; 5. Vertical rod; 6. Fixing block; 7. Bolt; 8. Twist handle; 9. U-shaped plate; 10. Limit rod; 11. Disc; 12. Gate; 13. Lifting plate; 14. Handle; 15. Cleaning cover; 16. Screw. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0022] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic structural diagram of a preferred embodiment of a new type of niobium-tantalum special melting crucible provided by the utility model; Figure 2 for Figure 1 The schematic diagram of the structure of the front cross-section shown; Figure 3 for Figure 2 A local enlarged view of point A is shown; Figure 4 for Figure 1 The schematic diagram of the structure of the U-shaped plate and the disc shown; Figure 5 for Figure 1 The new niobium-tantalum special melting crucible includes a crucible body 1 and a filtering structure, the top of one side of the crucible body 1 is connected with a pouring port 12, and the filtering structure includes a filtering mesh box 2, which is placed on the upper part of the inner cavity of the crucible body 1.

[0023] A conical funnel 4 communicating with the interior of the filter box 2 is disposed at the bottom thereof, a vertical rod 5 is vertically fixedly connected to the other side of the top of the filter box 2 , the top of the vertical rod 5 extends to the outside of the crucible body 1 , and a handle 14 is fixedly connected to the top of the vertical rod 5 .

[0024] A fixing block 6 is fixedly connected to the other side of the top of the crucible body 1 , and a clamping structure for locking and limiting the filter box 2 is provided on the fixing block 6 .

[0025] After the filter mesh box 2 is placed inside the crucible body 1, the bottom of the filter mesh box 2 contacts the top of the placement block 3 to limit the filter mesh box 2. When the crucible body 1 pours the solution, the solution enters the inside of the filter mesh box 2 through the conical funnel 4, and the filter mesh box 2 filters the impurities in the solution. The filtered solution flows out through the gate 12 to filter the impurities in the metal solution, thereby improving the quality of the finished product in the later stage.

[0026] The conical shape of the conical funnel 4 can facilitate impurities to enter the inner cavity of the filter box 2, and can prevent the impurities from re-entering the inner cavity of the crucible body 1 when the crucible body 1 rotates to a vertical state.

[0027] A plurality of placement blocks 3 are fixedly connected to the upper portion of the inner wall of the filter box 2 , and the filter box 2 is placed on the top of the placement blocks 3 .

[0028] The clamping structure includes a disc 11 and a bolt 7. The bolt 7 is transversely arranged on the fixing block 6. The disc 11 is fixedly connected to the upper part of the surface of the vertical rod 5. One end of the bolt 7 is rotatably connected to a U-shaped plate 9 adapted to the disc 11.

[0029] A limit rod 10 is transversely fixedly connected to the top of the U-shaped plate 9 , and the other end of the limit rod 10 can be pulled through a side surface of the fixing block 6 , and the other end of the bolt 7 is fixedly connected to a torsion handle 8 .

[0030] When the filter screen box 2 is placed inside the crucible body 1, the staff twists the bolt 7 to drive the U-shaped plate 9 to move. After the U-shaped plate 9 is sleeved on the surface of the vertical rod 5, the bottom of the U-shaped plate 9 contacts the upper surface of the disc 11. When the crucible body 1 is tilted, the working position of the filter screen box 2 is locked and fixed to avoid displacement of the filter screen box 2, thereby improving the stability of the filter screen box 2 during the solution filtering process.

[0031] During the movement of the U-shaped plate 9, the limiting rod 10 is pulled and moved to guide and limit the U-shaped plate 9 during the movement, so that the U-shaped plate 9 moves more smoothly and stably.

[0032] A plurality of hanging plates 13 are fixedly connected to the top of the side wall of the crucible body 1 , and the plurality of hanging plates 13 are evenly distributed in a ring shape along the surface of the crucible body 1 . A cleaning cover plate 15 is detachably provided on the side wall of the filter box 2 by means of a plurality of screws 16 .

[0033] Later, the staff can pull the vertical rod 5 to pull the filter box 2 out of the crucible body 1. After removing the multiple cleaning covers 15, the screws 16 can be opened to facilitate cleaning and discharge of impurities inside the filter box 2.

[0034] The working principle of the new niobium-tantalum special melting crucible provided by the utility model is as follows:

[0035] After placing the filter screen box 2 inside the crucible body 1, the bottom of the filter screen box 2 contacts the top of the placement block 3 to limit the filter screen box 2. The staff twists the bolt 7 to drive the U-shaped plate 9 to move. When the U-shaped plate 9 is sleeved on the surface of the vertical rod 5, the bottom of the U-shaped plate 9 contacts the upper surface of the disc 11. When the crucible body 1 is tilted, the working position of the filter screen box 2 is locked and fixed, and the solution enters the interior of the filter screen box 2 through the conical funnel 4. The filter screen box 2 filters the impurities in the solution, and the filtered solution flows out through the gate 12 to filter the impurities in the metal solution.

[0036] Compared with the related art, the new niobium-tantalum special melting crucible provided by the utility model has the following beneficial effects:

[0037] The utility model provides a novel niobium-tantalum special smelting crucible. After a filter screen box 2 is placed inside a crucible body 1, the bottom of the filter screen box 2 contacts with the top of a placement block 3 to limit the filter screen box 2. When the crucible body 1 pours a solution, the solution enters the inside of the filter screen box 2 through a conical funnel 4, and the filter screen box 2 filters impurities in the solution. The filtered solution flows out through a pouring port 12 to filter impurities in the metal solution, thereby improving the quality of a finished product in the later stage. When the filter screen box 2 is placed inside the crucible body 1, a worker twists a bolt 7 to drive a U-shaped plate 9 to move. After the U-shaped plate 9 is sleeved on the surface of a vertical rod 5, the bottom of the U-shaped plate 9 contacts with the upper surface of a disc 11. When the crucible body 1 is tilted, the working position of the filter screen box 2 is locked and fixed to avoid displacement of the filter screen box 2 and improve the stability of the filter screen box 2 in the process of filtering the solution.

[0038] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A new type of niobium and tantalum special melting crucible, comprising a crucible body (1) and a filtering structure, characterized in that: The top of one side of the crucible body (1) is connected to a pouring port (12), the filtering structure comprises a filtering mesh box (2), the filtering mesh box (2) is placed at the upper part of the inner cavity of the crucible body (1), the bottom of the filtering mesh box (2) is provided with a conical funnel (4) connected to the interior thereof, the other side of the top of the filtering mesh box (2) is vertically fixedly connected to a vertical rod (5), the top end of the vertical rod (5) extends to the outside of the crucible body (1); A fixing block (6) is fixedly connected to the other side of the top of the crucible body (1), and a clamping structure for locking and limiting the filter box (2) is provided on the fixing block (6).

2. The new niobium-tantalum special melting crucible according to claim 1 is characterized in that: A plurality of placement blocks (3) are fixedly connected to the upper portion of the inner wall of the filter box (2), and the filter box (2) is placed on top of the placement blocks (3).

3. The new niobium-tantalum special melting crucible according to claim 1 is characterized in that: The clamping structure comprises a disc (11) and a bolt (7); the bolt (7) is transversely arranged on the fixing block (6); the disc (11) is fixedly connected to the upper part of the surface of the vertical rod (5); one end of the bolt (7) is rotatably connected to a U-shaped plate (9) adapted to the disc (11).

4. The new niobium-tantalum special melting crucible according to claim 3 is characterized in that: The top of the U-shaped plate (9) is laterally fixedly connected to a limiting rod (10), the other end of the limiting rod (10) can be pulled through a side surface of the fixing block (6), and the other end of the bolt (7) is fixedly connected to a twist handle (8).

5. The new niobium-tantalum special melting crucible according to claim 1 is characterized in that: A plurality of hanging plates (13) are fixedly connected to the top of the side wall of the crucible body (1), and the plurality of hanging plates (13) are evenly spaced and distributed in a ring shape along the surface of the crucible body (1).

6. The new niobium-tantalum special melting crucible according to claim 1 is characterized in that: The side wall of the filter box (2) is provided with a cleaning cover plate (15) in a detachable manner via a plurality of screws (16).

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