Graphite crucible for electric arc furnace

Abstract

The utility model relates to the technical field of graphite crucibles, in particular to a graphite crucible for an electric arc furnace, which comprises a crucible outer part, a crucible inner container is integrally arranged in the crucible outer part, and a diversion trench extending along the length direction of the crucible outer part is inwards arranged on the outer side of the crucible outer part. According to the graphite crucible disclosed by the utility model, the crucible outer part is integrally added on the outer side of the crucible inner container, the cavity separation channels are formed in the inner side of the crucible outer part, and the circulating water pipe is connected between the cavity separation channels, so that circulating water can take away heat of the graphite crucible through heat exchange; the cooling efficiency is obviously improved, the pressure release valve not only ensures the cooling uniformity, but also reduces the thermal stress, meanwhile, the water temperature needs to be adjusted through the temperature adjusting controller to avoid thermal shock, the inner wall of the partition cavity channel is evenly coated with the high-density coating, and the oxidation or corrosion risk of the graphite material in the long-term water contact environment is effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to graphite crucible technical field, concretely is graphite crucible for electric arc furnace. BACKGROUND

[0002] In the metallurgical industry, graphite crucible is used for smelting and purifying various metals and their alloys, such as red copper, brass, gold, silver, zinc, lead, etc. Its excellent heat conduction performance enables heat to be rapidly and uniformly transmitted to the smelted material, improving smelting efficiency and quality.

[0003] In the use process, the graphite crucible needs to be heated to different degrees, however, if the graphite crucible is not cooled in time after the reaction is completed, cracking, powdering and other problems will occur on its surface, therefore, the cooling process of the graphite crucible is crucial, and when the molten liquid is poured, the molten liquid is easy to flow down along the crucible body and flow to the ground, affecting environmental hygiene.

[0004] Therefore, it is particularly important to design a graphite crucible for electric arc furnace to change the above technical defects and improve overall practicability. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a graphite crucible for electric arc furnace to solve the problems in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A graphite crucible for electric arc furnace, comprising a crucible exterior, an inner liner is integrally arranged in the interior of the crucible exterior, a flow guide groove extending along the length direction of the crucible exterior is formed in the outer side of the crucible exterior, an electromagnetic iron sheet is arranged on the outer side of the crucible exterior at the bottom end position of the flow guide groove, a solution receiving box is arranged on the outer side of the crucible exterior at the position corresponding to the electromagnetic iron sheet, a plurality of longitudinal distribution and same interval separation cavity channels are formed in the interior of the crucible exterior, a circulating water pipe is connected between the plurality of separation cavity channels, a water outlet is connected to one end of the circulating water pipe, a water valve is installed on the water outlet, a water inlet is connected to the other end of the circulating water pipe, a temperature control device and a pressure relief valve are installed on the water inlet.

[0008] As a preferred scheme of the utility model, the back surface of the solution receiving box is provided with a magnetic sheet magnetically adsorbed with the electromagnetic iron sheet, and handles are arranged on both sides of the solution receiving box.

[0009] As a preferred scheme of the utility model, the solution receiving box and the crucible exterior are designed in a separable structure.

[0010] As the preferred scheme of the utility model, the outside of the crucible is externally provided with a controller, wherein the controller is connected with the electromagnetic iron sheet, the water valve, the temperature adjusting controller and the pressure relief valve through wires, and the connection mode is electrical connection.

[0011] As the preferred scheme of the utility model, the circulating water pipe is in a serpentine shape and is distributed around the inside of the crucible.

[0012] As the preferred scheme of the utility model, the inner wall of the partition cavity passage is evenly coated with a high-density coating.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] In the utility model, the graphite crucible for electric arc furnace is provided with a crucible exterior on the outside of the inner liner, and a partition cavity passage is formed in the inside of the crucible exterior, and a circulating water pipe is connected between the partition cavity passages, the circulating water can take away the heat of the graphite crucible through heat exchange, the cooling efficiency is significantly improved, the pressure relief valve can ensure the uniformity of cooling and reduce thermal stress, the water temperature needs to be adjusted by the temperature adjusting controller to avoid thermal shock, and the inner wall of the partition cavity passage is evenly coated with a high-density coating, so that the oxidation or corrosion risk of the graphite material in the long-term water environment is effectively avoided.

[0015] In the utility model, the graphite crucible for electric arc furnace is provided with a flow guide groove, when the graphite crucible is used to pour molten liquid, the excess molten liquid will flow down along the flow guide groove and flow into the solution receiving box, so that the molten liquid flowing down along the crucible body is collected, the molten liquid is prevented from flowing to the ground, the environmental hygiene is improved, and the solution receiving box can be taken out under the control of the electromagnetic iron sheet, so that the solution receiving box is convenient to clean. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure perspective view of the utility model;

[0017] Figure 2 It is a solution receiving box separation state structure view of the utility model;

[0018] Figure 3 It is a crucible exterior top view structure view of the utility model.

[0019] In the drawing: 1, crucible exterior; 101, flow guide groove; 2, crucible inner liner; 3, electromagnetic iron sheet; 4, solution receiving box; 5, partition cavity passage; 501, circulating water pipe; 502, water outlet; 503, water valve; 504, water inlet; 505, temperature adjusting controller; 506, pressure relief valve. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0021] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the relevant drawings, and several embodiments of the present application are given. However, the present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0022] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be a middle element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there can be a middle element. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0024] Embodiments, please refer to Figures 1-3 The present application provides a technical scheme:

[0025] The graphite crucible for electric arc furnace comprises a crucible outer portion 1, a crucible inner liner 2 is integrally arranged in the inside of the crucible outer portion 1, a flow guide groove 101 extending along the length direction of the crucible outer portion 1 is formed in the outside of the crucible outer portion 1, an electromagnetic iron sheet 3 is arranged at the bottom end position of the flow guide groove 101 in the outside of the crucible outer portion 1, a solution receiving box 4 is arranged at the position corresponding to the electromagnetic iron sheet 3 in the outside of the crucible outer portion 1, and a plurality of groups of longitudinal distribution and same interval separation cavity channels 5 are formed in the inside of the crucible outer portion 1.

[0026] The back of the solution receiving box 4 is provided with a magnetic sheet magnetically adsorbed with the electromagnetic suction sheet 3, both sides of the solution receiving box 4 are provided with handles, the solution receiving box 4 and the crucible outer portion 1 are designed in a separable structure, and the inner walls of the cavity separation channels 5 are uniformly coated with a high-density coating, so that the oxidation or corrosion risk of the graphite material in the long-term water environment is effectively avoided.

[0027] In this embodiment, please refer to Figure 1 and Figure 2 and Figure 3 A plurality of cavity separation channels 5 are connected with a circulating water pipe 501, one end of the circulating water pipe 501 is connected with a water outlet 502, the water outlet 502 is provided with a water valve 503, the other end of the circulating water pipe 501 is connected with a water inlet 504, the water inlet 504 is provided with a temperature controller 505 and a pressure relief valve 506, the pressure relief valve 506 can ensure the uniformity of cooling and reduce thermal stress, and the water temperature needs to be adjusted through the temperature controller 505 to avoid thermal shock.

[0028] The outer side of the crucible outer portion 1 is provided with a controller, the controller is connected with the electromagnetic suction sheet 3, the water valve 503, the temperature controller 505 and the pressure relief valve 506 through wires in an electrical connection mode, and the circulating water pipe 501 is distributed in a serpentine shape around the inside of the crucible outer portion 1.

[0029] The working process of the utility model is as follows: when in use, the crucible outer portion 1 is integrally increased on the outer side of the crucible inner liner 2, cavity separation channels 5 are arranged on the inner side of the crucible outer portion 1, circulating water pipes 501 are connected between the cavity separation channels 5, the circulating water can take away the heat of the graphite crucible through heat exchange, the cooling efficiency is significantly improved, the pressure relief valve can ensure the uniformity of cooling and reduce thermal stress, and the water temperature needs to be adjusted through the temperature controller 505 to avoid thermal shock, the inner walls of the cavity separation channels 5 are uniformly coated with a high-density coating, the oxidation or corrosion risk of the graphite material in the long-term water environment is effectively avoided, a flow guide groove 101 is arranged on the crucible outer portion 1, when the graphite crucible is used to pour molten liquid, the excess molten liquid will flow down along the flow guide groove 101 and flow into the inside of the solution receiving box 4, so that the molten liquid flowing to the ground is avoided, the purpose of collecting the molten liquid flowing down along the crucible body is achieved, the environment is not affected, and the graphite crucible can be taken down under the control of the electromagnetic suction sheet 3, so that the graphite crucible is convenient to clean.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A graphite crucible for electric arc furnaces, comprising a crucible outer part (1), characterised in that: The inner part of the crucible outer part (1) is integrally provided with a crucible inner liner (2), the outer side of the crucible outer part (1) is provided with a flow guide groove (101) extending along the length direction of the crucible outer part (1), the outer side of the crucible outer part (1) is provided with an electromagnetic absorbing sheet (3) at the bottom end position of the flow guide groove (101), the outer side of the crucible outer part (1) is provided with a solution receiving box (4) at the position corresponding to the electromagnetic absorbing sheet (3), the inner part of the crucible outer part (1) is provided with a plurality of groups of longitudinal distribution and same interval separation cavity channels (5), a plurality of groups of the separation cavity channels (5) are connected with a circulating water pipe (501), one end of the circulating water pipe (501) is connected with a water outlet (502), the water outlet (502) is installed with a water valve (503), the other end of the circulating water pipe (501) is connected with a water inlet (504), the water inlet (504) is installed with a temperature controller (505) and a pressure relief valve (506).

2. A graphite crucible for electric arc furnaces according to claim 1, characterized in that: The back of the solution receiving box (4) is provided with a magnetic sheet magnetically adsorbed with the electromagnetic absorbing sheet (3), and the two sides of the solution receiving box (4) are provided with handles.

3. A graphite crucible for arc furnaces according to claim 1, characterized in that: The solution receiving box (4) and the crucible outer part (1) are designed in a separable structure.

4. A graphite crucible for arc furnaces according to claim 1, characterized in that: The outer side of the crucible outer part (1) is provided with a controller, wherein the controller is connected with the electromagnetic absorbing sheet (3), the water valve (503), the temperature controller (505) and the pressure relief valve (506) through wires, and the connection mode is electrical connection.

5. A graphite crucible for arc furnaces according to claim 1, characterized in that: The circulating water pipe (501) is distributed in the inner part of the crucible outer part (1) in a serpentine shape.

6. A graphite crucible for arc furnaces according to claim 1, characterized in that: The inner wall of the separation cavity channel (5) is uniformly coated with a high density coating.

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