Kiln crucible for synthesizing vanadium-nitrogen alloy from vanadium slag

Abstract

The utility model relates to a kiln crucible for synthesizing vanadium-nitrogen alloy from vanadium slag, which comprises an annular crucible body, the annular crucible body consists of a bottom plate, an inner cylinder and an outer cylinder, the bottoms of the inner cylinder and the outer cylinder are connected through the bottom plate, and vertical plates are symmetrically arranged on the left side and the right side of the annular crucible body. A plurality of connecting rods are fixedly arranged between the vertical plate and the outer wall of the annular crucible body from top to bottom, a hollow rotating shaft is arranged at the upper end of the outer side of the vertical plate, a through hole communicated with an inner cavity of the hollow rotating shaft penetrates through the vertical plate, and induction heating coils are wound on the inner wall of the inner cylinder and the outer wall of the outer cylinder; and two ends of the induction heating coil penetrate out of the corresponding vertical plates and the hollow rotating shaft and are connected with a power supply device. Due to the arrangement of the annular crucible body, the induction heating coil can synchronously heat the inner side and the outer side of the annular crucible body, the temperature rising speed is higher, and the vanadium slag melting speed can be increased.

Description

Technical Field

[0001] The utility model relates to the technical field of smelting, in particular to a furnace crucible for synthesizing vanadium nitride alloy from vanadium slag. Background Art

[0002] Vanadium slag refers to the slag containing vanadium oxide obtained by oxidizing and blowing the vanadium-containing molten iron during the vanadium extraction process or by wet vanadium extraction from vanadium-containing iron concentrate. It is the raw material for smelting and producing vanadium alloys and metallic vanadium. During the process of preparing vanadium nitride alloy from vanadium slag, it is necessary to add vanadium slag into the crucible for smelting. The traditional crucible structure is relatively simple, and the heating coil is only wound around the periphery, resulting in a slow heating rate and a high external temperature. Content of the Utility Model

[0003] The utility model aims to solve the deficiencies of the prior art and provides a furnace crucible for synthesizing vanadium nitride alloy from vanadium slag.

[0004] To achieve the above object, the utility model adopts the following technical solutions:

[0005] A furnace crucible for synthesizing vanadium nitride alloy from vanadium slag, comprising an annular crucible body, the annular crucible body is composed of a bottom plate, an inner cylinder and an outer cylinder, the bottom of the inner cylinder and the outer cylinder is connected by the bottom plate, vertical plates are symmetrically arranged on the left and right sides of the annular crucible body, several connecting rods are fixedly arranged from top to bottom between the vertical plates and the outer wall of the annular crucible body, a hollow rotating shaft is arranged at the upper end of the outer side of the vertical plate, a through hole communicating with the inner cavity of the hollow rotating shaft is penetrated through the vertical plate, induction heating coils are wound around the inner wall of the inner cylinder and the outer wall of the outer cylinder, and the two ends of the induction heating coils penetrate out of the corresponding vertical plates and the hollow rotating shaft and are connected with a power supply device.

[0006] An annular filter screen is installed at the upper end of the annular crucible body between the inner cylinder and the outer cylinder, and a feed hole is arranged on one side of the annular filter screen opposite to the pouring direction of the annular crucible body.

[0007] Installation grooves are symmetrically arranged on the left and right sides of the top of the outer cylinder, and overlapping plates are arranged on the left and right sides of the outer wall of the annular filter screen, and the overlapping plates are arranged in the corresponding installation grooves.

[0008] A baffle is fixed on the vertical plate by bolts, and the baffle blocks the top of the overlapping plate.

[0009] The beneficial effect of the utility model is that the setting of the annular crucible body of the utility model enables the induction heating coil to heat the inner side and the outer side of the annular crucible body synchronously, with a faster heating rate, and can improve the melting rate of vanadium slag. Description of the Drawings

[0010] Figure 1 It is a structural schematic diagram of the utility model;

[0011] Figure 2This is a perspective view of one direction after omitting the induction heating coil of the present utility model;

[0012] Figure 3 This is a perspective view of another direction after omitting the induction heating coil of the present utility model;

[0013] In the figure: 1 - annular crucible body; 2 - vertical plate; 3 - connecting rod; 4 - hollow rotating shaft; 5 - through hole; 6 - induction heating coil; 7 - annular filter screen; 8 - feed hole; 9 - overlapping plate; 10 - baffle;

[0014] 101 - bottom plate; 102 - inner cylinder; 103 - outer cylinder;

[0015] The following will describe in detail with reference to the accompanying drawings in combination with the embodiments of the present utility model. Specific embodiments

[0016] The following describes the principles and features of the present utility model with reference to the accompanying drawings. The examples given are only used to explain the present utility model and are not intended to limit the scope of the present utility model. In the following paragraphs, the present utility model will be described more specifically by way of example with reference to the accompanying drawings. According to the following description, the advantages and features of the present utility model will be clearer. It should be noted that the accompanying drawings are all in a very simplified form and use non-precise scales, only for the purpose of conveniently and clearly assisting in explaining the purpose of the embodiments of the present utility model.

[0017] It should be noted that when a component is referred to as "fixed to" another component, it can be directly on the other component or there may also be an intermediate component. When a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be an intermediate component at the same time. When a component is considered to be "disposed on" another component, it can be directly disposed on the other component or there may be an intermediate component at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration.

[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present utility model belongs. The terms used herein in the description of the present utility model are only for the purpose of describing specific embodiments and are not intended to limit the present utility model. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0019] The following further illustrates the present utility model in conjunction with the accompanying drawings and embodiments:

[0020] Such as Figures 1 to 3As shown in the figure, a kiln crucible for synthesizing vanadium nitride alloy from vanadium slag includes an annular crucible body 1, a vertical plate 2, a connecting rod 3, a hollow rotating shaft 4, a through hole 5, an induction heating coil 6, an annular filter screen 7, a feed hole 8, a lapping plate 9 and a baffle 10.

[0021] The annular crucible body 1 is composed of a bottom plate 101, an inner cylinder 102 and an outer cylinder 103. The bottom of the inner cylinder 102 and the outer cylinder 103 is connected by the bottom plate 101. The induction heating coil 6 is wound around the inner wall of the inner cylinder 102 and the outer wall of the outer cylinder 103. The annular structure is arranged such that the induction heating coil 6 can heat the inner side and the outer side of the annular crucible body 1 synchronously, with a faster heating rate, which can improve the melting rate of vanadium slag.

[0022] A chamfer structure is provided between the bottom of the inner cylinder 102 and the bottom plate 101.

[0023] A chamfer structure is provided between the bottom of the outer cylinder 103 and the bottom plate 101.

[0024] The chamfer structure enables the annular crucible body 1 to have better stress resistance and a longer service life.

[0025] Vertical plates 2 are symmetrically arranged on the left and right sides of the annular crucible body 1. A number of connecting rods 3 are fixedly arranged between the vertical plates 2 and the outer wall of the annular crucible body 1 from top to bottom. A hollow rotating shaft 4 is provided at the upper end of the outer side of the vertical plate 2. A through hole 5 communicating with the inner cavity of the hollow rotating shaft 4 penetrates through the vertical plate 2. The two ends of the induction heating coil 6 pass through the corresponding vertical plate 2 and the hollow rotating shaft 4 and are connected to a power supply device.

[0026] The hollow rotating shaft 4 is used to connect with the side wall of the kiln and extend outside the kiln to connect with an external crucible tilting structure, and is also used for the induction heating coil 6 to pass through.

[0027] An annular filter screen 7 is installed between the inner cylinder 102 and the outer cylinder 103 at the upper end of the annular crucible body 1. A feed hole 8 is provided on the side of the annular filter screen 7 opposite to the tilting direction of the annular crucible body 1.

[0028] The annular filter screen 7 can filter the molten liquid during tilting, and the feed hole 8 is convenient for adding vanadium slag into the interior of the annular crucible body 1 without disassembling the annular filter screen 7.

[0029] Installation grooves are symmetrically arranged on the left and right sides at the top of the outer cylinder 103. Lapping plates 9 are provided on the left and right sides of the outer wall of the annular filter screen 7, and the lapping plates 9 are arranged in the corresponding installation grooves.

[0030] A baffle 10 is fixed on the vertical plate 2 by bolts, and the baffle 10 blocks the top of the lapping plate 9.

[0031] Structures such as the installation grooves, the lapping plates 9 and the baffle 10 facilitate the installation and disassembly of the annular filter screen 7.

[0032] The present utility model has been described exemplarily in conjunction with the accompanying drawings. Obviously, the specific implementation of the present utility model is not limited by the above-mentioned manner. As long as various improvements are made by adopting the method concept and technical solution of the present utility model, or directly applied to other occasions without improvement, they are all within the protection scope of the present utility model.

Claims

1. A kiln crucible for synthesizing vanadium nitride alloy from vanadium slag, characterized in that It includes an annular crucible body (1), and the annular crucible body (1) is composed of a bottom plate (101), an inner cylinder (102) and an outer cylinder (103). The bottoms of the inner cylinder (102) and the outer cylinder (103) are connected by the bottom plate (101). Vertical plates (2) are symmetrically arranged on the left and right sides of the annular crucible body (1). A number of connecting rods (3) are fixedly arranged from top to bottom between the vertical plates (2) and the outer wall of the annular crucible body (1). A hollow rotating shaft (4) is arranged at the upper end of the outer side of the vertical plate (2). A through hole (5) communicating with the inner cavity of the hollow rotating shaft (4) penetrates through the vertical plate (2). Induction heating coils (6) are wound around the inner wall of the inner cylinder (102) and the outer wall of the outer cylinder (103). The two ends of the induction heating coils (6) pass through the corresponding vertical plates (2) and the outside of the hollow rotating shaft (4) and are connected to a power supply device.

2. The crucible for a kiln used in synthesizing vanadium-nitrogen alloy from vanadium slag according to claim 1, characterized in that, An annular filter screen (7) is installed between the inner cylinder (102) and the outer cylinder (103) at the upper end of the annular crucible body (1). A feed hole (8) is arranged on one side of the annular filter screen (7) opposite to the pouring direction of the annular crucible body (1).

3. The crucible for a kiln used in synthesizing vanadium nitride from vanadium slag according to claim 2, characterized in that, Installation grooves are symmetrically arranged on the left and right sides at the top of the outer cylinder (103). Lap plates (9) are arranged on the left and right sides of the outer wall of the annular filter screen (7), and the lap plates (9) are arranged in the corresponding installation grooves.

4. A furnace crucible for synthesizing vanadium nitride alloy from vanadium slag according to claim 3, characterized in that, A baffle plate (10) is fixed on the vertical plate (2) by bolts, and the baffle plate (10) blocks the top of the lap plate (9).

5. A kiln crucible for synthesizing vanadium-nitrogen alloy from vanadium slag according to claim 4, characterized in that, A chamfer structure is arranged between the bottom of the inner cylinder (102) and the bottom plate (101).

6. The crucible for a kiln used in synthesizing vanadium nitride from vanadium slag according to claim 5, characterized in that, A chamfer structure is arranged between the bottom of the outer cylinder (103) and the bottom plate (101).

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