Novel special-shaped crucible of aluminum electrolysis anode intermediate frequency furnace

Abstract

The utility model discloses a novel special-shaped crucible of an aluminum electrolysis anode intermediate frequency furnace, which structurally comprises a crucible main body, the crucible main body comprises a hollow upper cone and a hollow lower cone, the hollow upper cone and the hollow lower cone are welded into a whole through end parts, and the hollow upper cone is positioned at the upper part of the hollow lower cone; the horizontal angle of splicing of the hollow upper cone and the hollow lower cone is 11 degrees, the total height of the crucible body is 1500 mm, the height of the hollow upper cone is 1000 mm, the upper diameter of the hollow upper cone is 700 mm, the lower diameter of the hollow lower cone is 600 mm, the height of the hollow lower cone is 500 mm, the lower diameter of the hollow lower cone is 406 mm, the crucible body is of an iron plate structure, and the thickness of an iron plate is 6 mm. The upper hollow cone and the lower hollow cone are both provided with air holes. The utility model belongs to the technical field of aluminum electrolysis anode production, and particularly relates to a novel special-shaped crucible of an aluminum electrolysis anode intermediate frequency furnace.

Description

TECHNICAL FIELD

[0001] The utility model belongs to aluminum electrolysis anode production technical field, specifically point to aluminum electrolysis anode intermediate frequency furnace new -type special-shaped crucible. BACKGROUND

[0002] At present, in aluminum electrolysis industry, anode intermediate frequency furnace as one of important production equipment, the crucible used in its inside directly influences the quality of aluminium liquid and production efficiency. The present aluminum electrolysis anode intermediate frequency furnace builds the furnace and uses the crucible that the cylinder of height 1200mm, diameter 700mm and the conical body of height 300mm, lower diameter 440mm are welded into shape, and the thickness of iron plate is 6mm. This kind of crucible can control the thickness of the side wall of furnace charge to 14cm±0.5cm in the process of building the furnace of intermediate frequency furnace 3 tons, and the side wall of furnace charge melts to form sintered layer after the furnace is baked, and the sintered layer gradually thins with the smelting furnace time of molten iron, until the single side wall thickness is 7cm±1cm, then stop the furnace and wait for disassembly, and the average life is 200 furnace times.

[0003] With the continuous updating of intermediate frequency furnace process technology in aluminum electrolysis industry, the average life of anode 3 tons furnace has reached more than 300 furnace times. The lower furnace life increases the frequency of disassembly and building furnace and increases the cost of labor and materials, and the lower furnace life increases the hidden danger of furnace leakage. UTILITY MODEL CONTENTS

[0004] The technical problem to be solved by the utility model is that the lower furnace life leads to higher use cost, and replacing the crucible easily increases the hidden danger of furnace leakage.

[0005] To solve the above problems, the technical scheme adopted by the utility model is as follows: the aluminum electrolysis anode intermediate frequency furnace new -type special-shaped crucible provided by the utility model, including crucible main part, the crucible main part includes hollow upper cone body and hollow lower cone body, the hollow upper cone body and hollow lower cone body are welded into one by end, and the hollow upper cone body is located on the upper part of hollow lower cone body, the splicing horizontal angle of hollow upper cone body and hollow lower cone body is 11 °, the total height of crucible main part is 1500mm, the height of hollow upper cone body is 1000mm, the upper diameter is 700mm, the lower diameter is 600mm, the height of hollow lower cone body is 500mm, the lower diameter is 406mm, the crucible main part adopts iron plate structure and the thickness of iron plate is 6mm, and the air hole is formed in the hollow upper cone body and hollow lower cone body.

[0006] Further, the hollow upper cone body is a circular truncated cone cylinder structure with through holes at the upper and lower ends.

[0007] Further, the hollow lower cone body is a circular truncated cone shell structure with an open upper end.

[0008] Further, the air holes on the hollow upper cone body are uniformly distributed.

[0009] Further, the hollow lower cone side wall and near the top position, the bottom end surface is also provided with a vent hole.

[0010] Further, the vent hole is provided as a through hole structure with a diameter of 3mm.

[0011] Further, the hollow upper cone inner wall is fixed with an ear.

[0012] The beneficial effects obtained by the above structure of the utility model are as follows:

[0013] 1. The new special-shaped crucible of the aluminum electrolysis anode medium frequency furnace is designed as a hollow upper cone and a hollow lower cone welded together, and the horizontal angle of the joint of the hollow upper cone and the hollow lower cone is 11°, so that the average thickness of the single-sided furnace lining is increased by 30mm after the furnace is built by the crucible body, the new special-shaped crucible is simple to manufacture, and the service life and safety stability of the medium frequency furnace lining are improved.

[0014] 2. The new special-shaped crucible of the aluminum electrolysis anode medium frequency furnace is provided with a vent hole on the hollow upper cone and the hollow lower cone, so that the gas in the crucible can be discharged to maintain the internal pressure balance, thereby ensuring the smooth progress of the smelting process. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a first overall structure schematic view of the utility model;

[0016] Figure 2 It is a second overall structure schematic view of the utility model;

[0017] Figure 3 It is an overall cross section schematic view of the utility model;

[0018] Figure 4 It is an overall structure plan view of the utility model.

[0019] Among them, 1, the crucible body, 101, the hollow upper cone, 102, the hollow lower cone, 2, the vent hole, 3, the ear.

[0020] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, together with the embodiments of the utility model, to explain the utility model, and do not constitute a limitation on the utility model. DETAILED DESCRIPTION

[0021] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments only are a part of embodiments of the utility model, not all the embodiments, all other embodiments obtained by the ordinary skilled in the art without making creative labor based on the embodiments in the utility model belong to the range of protection of the utility model.

[0022] As Figures 1-4 The utility model discloses a new special-shaped crucible of aluminum electrolysis anode intermediate frequency furnace, including crucible main part 1, crucible main part 1 includes hollow upper cone body 101 and hollow lower cone body 102, and the hollow upper cone body 101 is located at the upper portion of the hollow lower cone body 102, and the hollow upper cone body 101 and the hollow lower cone body 102 are welded into a whole through the end, and the splicing horizontal angle of the hollow upper cone body 101 and the hollow lower cone body 102 is 11 DEG, and the total height of the crucible main part 1 is 1500mm, the height of the hollow upper cone body 101 is 1000mm, the upper diameter is 700mm, the lower diameter is 600mm, the height of the hollow lower cone body 102 is 500mm, and the lower diameter is 406mm, the hollow upper cone body 101 and the hollow lower cone body 102 are all provided with the air hole 2 on the iron plate structure and the iron plate thickness 6mm, and the air hole 2 is provided on the hollow upper cone body 101 and the hollow lower cone body 102.

[0023] As Figures 1-4 The hollow upper cone body 101 is the circular truncated cone cylinder structure that the upper and lower two ends are through, the hollow lower cone body 102 is the circular truncated cone shell structure that the upper end is open, the air hole 2 on the hollow upper cone body 101 is evenly distributed, the air hole 2 is also provided on the side wall of the hollow lower cone body 102 and is close to the top position thereof, and the bottom end surface, the air hole 2 is provided as the through-hole structure with the diameter of 3mm, can increase the pressure regulating ability inside the crucible, prevent the impurities from falling into the crucible, and improve the smelting speed, the lug 2 is fixed on the inner wall of the hollow upper cone body 101 and is used for hoisting the crucible main part 1.

[0024] When being used, the hollow upper cone body 101 with the height of 1000mm, the upper diameter of 700mm and the lower diameter of 600mm and the hollow lower cone body 102 with the height of 500mm and the lower diameter of 406mm are welded into the crucible main part 1, the splicing horizontal angle of the hollow upper cone body 101 and the hollow lower cone body 102 is 11 DEG, the crucible main part 1 is suitable for the heat energy distribution generated by the intermediate frequency furnace electromagnetic induction in the molten iron smelting process, can thicken the higher heat energy area furnace lining generated by cutting the magnetic induction line, increases the service life of the furnace lining and the smelting furnace times, the new special-shaped crucible main part 1 is simple to manufacture, satisfies the requirement of the intermediate frequency furnace building technology, increases the service life of the intermediate frequency furnace lining, increases the molten iron smelting furnace times, reduces the labor cost and material cost of the dismantling and building furnace investment, and the increase of the thickness of the furnace lining increases the safety performance in the use process.

[0025] The above describes the present application and its embodiments, which are not restrictive, and the drawings only show one of the embodiments of the present application, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired, without departing from the spirit of the present application, without creative design, similar structure and embodiments to the technical solution, which should belong to the protection scope of the present application.

Claims

1. A new profiled crucible for aluminum electrolysis anode medium frequency furnace, comprising a crucible main body, characterized in that, The crucible body comprises a hollow upper cone and a hollow lower cone which are welded together at the end and the hollow upper cone is located on the upper part of the hollow lower cone; the splicing horizontal angle of the hollow upper cone and the hollow lower cone is 11°, the total height of the crucible body is 1500mm, the height of the hollow upper cone is 1000mm, the upper diameter is 700mm and the lower diameter is 600mm, the height of the hollow lower cone is 500mm and the lower diameter is 406mm; the crucible body adopts the iron plate structure and the thickness of the iron plate is 6mm, and the hollow upper cone and the hollow lower cone are both provided with air holes.

2. The new profiled crucible for aluminum electrolysis anode intermediate frequency furnace according to claim 1, characterized in that: The hollow upper cone is a circular truncated cone tube structure with through holes at the upper and lower ends.

3. The new profiled crucible for aluminum electrolysis anode intermediate frequency furnace according to claim 2, characterized in that: The hollow lower cone is a circular truncated cone shell structure with an open upper end.

4. The new profiled crucible for aluminum electrolysis anode intermediate frequency furnace according to claim 3, characterized in that: The air holes on the hollow upper cone are uniformly distributed.

5. The new profiled crucible for aluminum electrolysis anode intermediate frequency furnace according to claim 4, characterized in that: The hollow lower cone is also provided with air holes on the side wall near the top position and on the bottom end face.

6. The new profiled crucible for aluminum electrolysis anode intermediate frequency furnace according to claim 5, characterized in that: The air holes are in the form of through holes with a diameter of 3mm.

7. The new profiled crucible for aluminum electrolysis anode intermediate frequency furnace according to claim 6, characterized in that: Lugs are fixed on the inner wall of the hollow upper cone.

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