Furnace building crucible mold structure of aluminum electrolysis intermediate frequency furnace

Abstract

The utility model discloses a furnace building crucible mold structure of an aluminum electrolysis intermediate frequency furnace, which belongs to the technical field of crucible mold fixing and comprises a crucible body and a fixing component, the crucible body is mounted in the middle of the intermediate frequency furnace through the fixing component, and the fixing component comprises a fixing plate, a side fixing groove, a limiting side plate and a fastening screw. A plurality of fixing plates are arranged on the edge of the top of the crucible body, a plurality of side fixing grooves are formed in the side wall of the crucible body, a limiting side plate matched with the side fixing grooves is arranged in each side fixing groove, and the end, away from the side fixing grooves, of each limiting side plate is connected with a fastening screw rod. The crucible mold has the beneficial effects that the whole crucible mold structure is placed in the aluminum electrolysis intermediate frequency furnace, the crucible body can be tightly connected with the intermediate frequency furnace through the fixing assembly, the crucible body is connected with the top of the intermediate frequency furnace through the fixing plate, and the side wall of the crucible body can be limited and fixed through the side fixing groove and the limiting side plate matched with the side fixing groove; and the fixing effect of the crucible mold in the intermediate frequency furnace is greatly enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of crucible mold fixing, in particular to a crucible mold structure for building an aluminum electrolysis medium-frequency furnace. Background Art

[0002] A medium frequency furnace is a power supply device that converts 50Hz AC power into medium frequency (300Hz to 1000Hz). It rectifies the three-phase AC power into DC power, and then converts the DC power into an adjustable medium frequency current. It supplies the medium frequency alternating current flowing through the capacitor and induction coil, generating high-density magnetic lines in the induction coil, cutting the metal material contained in the induction coil, and generating large eddy currents in the metal material.

[0003] When building an aluminum electrolysis medium frequency furnace, the crucible mold needs to be fixed. Bolts are generally used to fix the crucible mold to the furnace body. When a wrench is used for tightening, the laid glass fiber cloth and ceramic fiber cloth are easily torn, which seriously affects the construction of the medium frequency furnace and the safety of the whole process. In the prior art, there is a lack of a stable and firm crucible mold fixing device for the aluminum electrolysis medium frequency furnace, and the high temperature resistance and practicality of the crucible mold need to be improved. At the same time, the utility model patent with announcement number CN215413133U discloses a crucible structure for a smelting furnace, including two lugs symmetrically arranged on the top of the crucible body and a screw thread evenly arranged on the bottom of the crucible body. There are multiple pressure plates on the top edge of the furnace body shell, and a placement groove corresponding to the position of the lug is opened on the upper edge of the furnace body shell, and the lug is fixedly connected to the placement groove by bolts. A plurality of pressure plates are provided on the top of the furnace body shell, and each of the pressure plates is provided with a through hole and is fixedly pressed on the upper edge of the crucible body by bolts passed through the through hole, and the outer end of the pressure plate is pressed onto the upper edge of the furnace body shell, and a conical limiting groove is opened at the bottom of the crucible body, and a conical limiting block is provided on the inner bottom surface of the furnace body shell, and the limiting block is clamped in the limiting groove. It is not firm and stable enough, and its high temperature resistance and practicality need to be improved. Utility Model Content

[0004] In order to overcome the problems in the prior art that the crucible mold needs to be fixed when building the aluminum electrolysis medium frequency furnace, bolts are generally used to fix the crucible mold to the furnace body, which can easily damage the laid glass fiber cloth and ceramic fiber cloth, seriously affecting the construction of the medium frequency furnace and the safety of the entire process, lacking a stable and firm crucible mold structure for the aluminum electrolysis medium frequency furnace, and its high temperature resistance and practicality need to be improved. The utility model provides a crucible mold structure for the aluminum electrolysis medium frequency furnace, including a crucible body and a fixing component. The crucible body is installed in the middle of the medium frequency furnace through a fixing assembly. The fixing assembly includes a fixing plate, a side fixing groove, a limiting side plate and a fastening screw. Several fixing plates are provided on the top edge of the crucible body. Several fixing holes are formed on each of the fixing plates. Several side fixing grooves are formed on the side wall of the crucible body. A matching limiting side plate is provided in each of the side fixing grooves. A fastening screw is connected to the end of the limiting side plate away from the side fixing groove, and the fastening screw is threadedly connected to the medium frequency furnace.

[0005] The entire crucible mold structure is placed in the medium-frequency furnace for aluminum electrolysis. The crucible body can be tightly connected to the medium-frequency furnace through a fixing component. The crucible body and the top of the medium-frequency furnace are connected through a fixing plate. The side fixing groove and the matching limiting side plate can limit and fix the side wall of the crucible body, and greatly enhance the fixing effect of the crucible mold in the medium-frequency furnace.

[0006] Preferably, movable grooves are formed on the inner wall of the intermediate frequency furnace at positions corresponding to the plurality of side fixing grooves, and the limiting side plates can move along the movable grooves and the side fixing grooves.

[0007] By connecting the limiting side plate with a tightening screw, the degree of fit between the limiting side plate and the outer wall of the crucible body can be adjusted. The tightening screw passes through the intermediate frequency furnace and is threadedly connected to it. The operation is simple. The pressure-bearing plate set at the bottom of the crucible body can improve the pressure-bearing and pressure-resistant capacity.

[0008] Preferably, a fixing bolt connected to the intermediate frequency furnace is provided in the fixing hole of the fixing plate.

[0009] Preferably, a handle is installed on the top of the fixing plate.

[0010] Preferably, a trapezoidal limiting base is provided at the bottom of the crucible body and can be matched with the bottom of the inner side of the medium frequency furnace.

[0011] Preferably, a reinforcement layer is provided inside the crucible body, and a plurality of reinforcement ribs are symmetrically installed on the outer wall of the crucible body.

[0012] Preferably, the outer surface and the inner surface of the crucible body are respectively provided with a high temperature resistant layer, and the material of the high temperature resistant layer is a high temperature resistant ceramic coating layer.

[0013] The reinforcing ribs on the outside of the crucible body and the reinforcing layer inside the crucible body can improve the overall strength of the crucible body, making it less prone to damage and breakage. At the same time, a high-temperature resistant layer is also provided on the surface of the crucible body to enhance the high-temperature resistance and increase the service life.

[0014] Preferably, the crucible body is made of graphite, and the fixing plate and the limiting side plates are both made of high-temperature resistant materials.

[0015] Preferably, a pressure plate is installed inside the limiting base.

[0016] Preferably, an anti-slip layer is formed on a side of the limiting side plate close to the crucible body.

[0017] The anti-slip layer can improve the friction between the limiting side plate and the crucible body, thereby preventing the limiting side plate from sliding and shifting.

[0018] Beneficial effects:

[0019] The beneficial effects produced by adopting the technical solution of this utility model are as follows:

[0020] (1) The entire crucible mold structure is placed in the medium frequency furnace for aluminum electrolysis. The crucible body can be tightly connected to the medium frequency furnace through a fixing assembly. The crucible body and the top of the medium frequency furnace are connected through a fixing plate. The side wall of the crucible body can be limited and fixed through the side fixing groove and the limiting side plate matched therewith, and the fixing effect of the crucible mold in the medium frequency furnace is greatly enhanced.

[0021] (2) The degree of fit between the limiting side plate and the outer wall of the crucible body can be adjusted by connecting the limiting side plate with a tightening screw. The tightening screw passes through the intermediate frequency furnace and is threadedly connected to it. The operation is simple. The pressure-bearing plate provided at the bottom of the crucible body can improve the pressure-bearing and pressure-resistance capacity.

[0022] (3) By providing the reinforcing ribs on the outside of the crucible body and the reinforcing layer inside, the overall strength of the crucible body can be improved, making it less prone to damage and breakage. At the same time, a high-temperature resistant layer is also provided on the surface of the crucible body, which can enhance the high-temperature resistance and increase the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the crucible mold structure of the aluminum electrolysis medium-frequency furnace of the utility model;

[0025] Figure 2 This is a schematic diagram of the connection structure of the front side of the crucible mold structure of the aluminum electrolysis medium frequency furnace of the utility model;

[0026] Figure 3 This is a schematic diagram of the internal connection structure of the crucible mold structure of the aluminum electrolysis medium-frequency furnace of the utility model;

[0027] Figure 4 The utility model is a schematic diagram of the crucible body on the crucible mold structure of the aluminum electrolysis medium frequency furnace.

[0028] In the figure: 1. Medium frequency furnace; 2. Crucible body; 3. Fixed plate; 4. Handle; 5. Limit base; 6. Reinforcement rib; 7. Fixing bolt; 8. Side fixing groove; 9. Limit side plate; 10. Fastening screw; 11. Reinforcement layer; 12. High temperature resistant layer; 13. Pressure plate. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the utility model for protection, but merely represents the selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0030] This embodiment places the entire crucible mold structure into the medium-frequency furnace for aluminum electrolysis, and can tightly connect the crucible body to the medium-frequency furnace through a fixing assembly. The crucible body and the top of the medium-frequency furnace are connected by a fixing plate. The side fixing grooves and the corresponding limiting side plates can limit and fix the side walls of the crucible body, and greatly enhance the fixing effect of the crucible mold in the medium-frequency furnace. The specific implementation is as follows:

[0031] like Figures 1 to 4As shown, a crucible mold structure for building an aluminum electrolysis medium-frequency furnace includes a crucible body 2 and a fixing assembly. The crucible body 2 is installed in the middle of the medium-frequency furnace 1 through the fixing assembly. The fixing assembly includes a fixing plate 3, a side fixing groove 8, a limiting side plate 9 and a fastening screw 10. A plurality of fixing plates 3 are provided on the top edge of the crucible body 2, and a plurality of fixing holes are formed on each fixing plate 3. A plurality of side fixing grooves 8 are formed on the side wall of the crucible body 2, and a matching limiting side plate 9 is provided in each side fixing groove 8. The limiting side plate 9 is connected to the fastening screw 10 at one end away from the side fixing groove 8, and the fastening screw 10 is threadedly connected to the medium-frequency furnace 1. The entire crucible mold structure is placed in the aluminum electrolysis medium frequency furnace 1. The crucible body 2 can be tightly connected to the medium frequency furnace 1 through a fixing component. The crucible body 2 and the top of the medium frequency furnace 1 are connected through a fixing plate 3. The side fixing groove 8 and the limiting side plate 9 that cooperates with it can limit and fix the side wall of the crucible body 2, and greatly enhance the fixing effect of the crucible mold in the medium frequency furnace 1.

[0032] The inner wall of the intermediate frequency furnace 1 is formed with movable grooves at positions corresponding to the plurality of side fixing grooves 8, and the limiting side plates 9 can move along the movable grooves and the side fixing grooves 8. The limiting side plates 9 are connected by fastening screws 10, and the degree of fit between the limiting side plates 9 and the outer wall of the crucible body 2 can be adjusted. The fastening screws 10 pass through the intermediate frequency furnace 1 and are threadedly connected thereto, making operation simple.

[0033] The fixing hole of the fixing plate 3 is provided with a fixing bolt 7 connected to the intermediate frequency furnace 1. The fixing bolt 7 can be used to connect the fixing plate 3 and the intermediate frequency furnace 1 to install and fix the crucible body 2.

[0034] A handle 4 is installed on the top of the fixing plate 3. Under the action of the handle 4, the crucible body 2 can be easily lifted and placed.

[0035] The bottom of the crucible body 2 is provided with a trapezoidal limiting base 5 which can cooperate with the bottom of the inner side of the intermediate frequency furnace 1. The limiting base 5 can provide limiting support for the crucible body 2 in the intermediate frequency furnace 1.

[0036] The crucible body 2 is provided with a reinforcing layer 11 inside, and a plurality of reinforcing ribs 6 are symmetrically installed on the outer wall of the crucible body 2. The reinforcing ribs 6 provided on the outside of the crucible body 2 and the reinforcing layer 11 inside the crucible body 2 can improve the overall strength of the crucible body 2, making it less susceptible to damage and fracture, and improving its compressive resistance.

[0037] The outer surface and inner surface of the crucible body 2 are respectively provided with a high temperature resistant layer 12, and the material of the high temperature resistant layer 12 is a high temperature resistant ceramic coating layer. The surface of the crucible body 2 is also provided with a high temperature resistant layer 12, which can enhance the high temperature resistance and improve the service life.

[0038] The crucible body 2 is made of graphite, and the fixing plate 3 and the limiting side plate 9 are both made of high-temperature resistant materials.

[0039] A pressure-bearing plate 13 is installed inside the limiting base 5 . The pressure-bearing plate 13 provided at the bottom of the crucible body 2 can improve the pressure-bearing and pressure-resistance capabilities.

[0040] An anti-skid layer is formed on one side of the limiting side plate 9 close to the crucible body 2. The anti-skid layer can increase the friction between the limiting side plate 9 and the crucible body 2, thereby preventing the limiting side plate 9 from sliding and shifting.

[0041] Working principle: Place the entire crucible mold structure into the medium frequency furnace for aluminum electrolysis. The crucible body can be tightly connected to the medium frequency furnace through a fixing component, and the crucible body and the top of the medium frequency furnace are connected through a fixing plate. The side fixing groove and the limiting side plate that cooperates with it can limit and fix the side wall of the crucible body, and greatly enhance the fixing effect of the crucible mold in the medium frequency furnace. The limiting side plate is connected by a tightening screw, and the degree of fit between the limiting side plate and the outer wall of the crucible body can be adjusted. The tightening screw passes through the medium frequency furnace and is threadedly connected to it. The operation is simple. The pressure-bearing plate arranged at the bottom of the crucible body can improve the pressure-bearing and compressive resistance. The reinforcing ribs arranged on the outside of the crucible body and the internal reinforcing layer can improve the overall strength of the crucible body, making it not easy to be damaged or broken. At the same time, a high-temperature resistant layer is also provided on the surface of the crucible body to enhance the high-temperature resistance and improve the service life.

[0042] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A crucible mold structure for an aluminum electrolysis medium frequency furnace, characterized in that: The invention comprises a crucible body (2) and a fixing assembly, wherein the crucible body (2) is installed in the middle of the medium frequency furnace (1) through the fixing assembly, and the fixing assembly comprises a fixing plate (3), a side fixing groove (8), a limiting side plate (9) and a fastening screw (10). The top edge of the crucible body (2) is provided with a plurality of fixing plates (3), and each of the fixing plates (3) is respectively formed with a plurality of fixing holes. The side wall of the crucible body (2) is formed with a plurality of side fixing grooves (8), and each of the side fixing grooves (8) is provided with a matching limiting side plate (9). The limiting side plate (9) is connected to a fastening screw (10) at one end away from the side fixing groove (8), and the fastening screw (10) is threadedly connected to the medium frequency furnace (1).

2. The crucible mold structure for building an aluminum electrolysis medium frequency furnace according to claim 1, characterized in that: Movable grooves are formed at positions on the inner wall of the intermediate frequency furnace (1) corresponding to the plurality of side fixing grooves (8), and the limiting side plates (9) are movable along the movable grooves and the side fixing grooves (8).

3. The crucible mold structure for building an aluminum electrolysis medium frequency furnace according to claim 1, characterized in that: A fixing bolt (7) connected to the intermediate frequency furnace (1) is provided in the fixing hole of the fixing plate (3).

4. The crucible mold structure for building an aluminum electrolysis medium frequency furnace according to claim 1, characterized in that: A handle (4) is installed on the top of the fixing plate (3).

5. The crucible mold structure for building an aluminum electrolysis medium frequency furnace according to claim 1, characterized in that: The bottom of the crucible body (2) is provided with a trapezoidal limiting base (5) and can be matched with the bottom of the inner side of the medium frequency furnace (1).

6. The crucible mold structure for building an aluminum electrolysis medium frequency furnace according to claim 1, characterized in that: A reinforcement layer (11) is provided inside the crucible body (2), and a plurality of reinforcement ribs (6) are symmetrically mounted on the outer wall of the crucible body (2).

7. The crucible mold structure for building an aluminum electrolysis medium frequency furnace according to claim 1, characterized in that: The outer surface and the inner surface of the crucible body (2) are respectively provided with a high-temperature resistant layer (12), and the material of the high-temperature resistant layer (12) is a high-temperature resistant ceramic coating layer.

8. The crucible mold structure for building an aluminum electrolysis medium frequency furnace according to claim 1, characterized in that: The crucible body (2) is made of graphite, and the fixing plate (3) and the limiting side plate (9) are both made of high-temperature resistant materials.

9. The crucible mold structure for building an aluminum electrolysis medium frequency furnace according to claim 5, characterized in that: A pressure plate (13) is installed inside the limiting base (5).

10. The crucible mold structure for building an aluminum electrolysis medium frequency furnace according to claim 1, characterized in that: An anti-slip layer is formed on one side of the limiting side plate (9) close to the crucible body (2).

Images