A crucible water cooling device for vacuum consumable arc furnace

Abstract

The present invention relates to a crucible water cooling device for a vacuum consumable arc furnace. The water cooling device comprises, from top to bottom, an upper water cooling system, a crucible, and a lower water cooling system. The top of the crucible is connected to the upper water cooling system, and the bottom of the crucible is connected to the lower water cooling system. By dividing one water cooling system into two separate water cooling systems, the method for removing smelting bars is changed from lifting removal to direct removal from the bottom of the crucible. After the crucible is smelted and cooled, the lower water cooling system is separated from the upper water cooling system by a lower quick clamp, thereby realizing rapid unloading of the smelted ingot, thereby preventing cooling water from flowing out of the crucible and reducing operation time.

Description

Technical Field

[0001] The invention belongs to the field of nonferrous metal smelting equipment, and in particular relates to a crucible water cooling device for a vacuum consumable arc furnace. Background Art

[0002] As an important equipment for non-ferrous metal smelting, the vacuum consumable arc furnace (VAR) is mainly used to smelt metals such as titanium and zirconium. Its principle is to rely on the arc between the anode and cathode of the power supply under vacuum state to continuously melt the metal electrode serving as the cathode and drip it into the crystallizer for cooling and crystallization.

[0003] During the production process, crucibles are usually cooled using a water cooling system. The smelted bars and crucibles need to be removed from the water cooling system by hoisting, which is time-consuming. In addition, the hoisted crucibles and bars will bring out the water in the water cooling system, making the workshop floor slippery and prone to accidents. Summary of the Invention

[0004] The purpose of the present invention is to provide a crucible water cooling device for a consumable arc furnace, which solves the problem that the existing crucible water cooling is time-consuming and pollutes the workshop environment. It has the characteristics of easy operation, saving work hours and ensuring the cleanliness of the workshop.

[0005] The purpose of the present invention is to solve the problem through the following technical solutions:

[0006] A crucible water cooling device for a vacuum consumable arc furnace, the water cooling device comprising, from top to bottom, an upper water cooling system, a crucible, and a lower water cooling system;

[0007] The top of the crucible is connected to an upper water cooling system, and the bottom of the crucible is connected to a lower water cooling system.

[0008] Further: the upper water cooling system includes an upper water cooling outer wall and a guide pipe;

[0009] The lower end surface of the upper water-cooled outer wall abuts against the lower end surface of the guide tube;

[0010] The upper end of the flow guide tube is fixedly connected to the crucible by screws;

[0011] The crucible is located inside the draft tube.

[0012] Further: the inner lower end of the upper water-cooled outer wall is an annular cone.

[0013] Further: the inner wall of the crucible is conical.

[0014] Furthermore: the lower end of the upper water cooling system is connected to a sealing cover via screws, and the sealing cover abuts against the bottom of the crucible.

[0015] Further: an upper end quick clamp is installed on the upper end of the outer wall of the upper water cooling system, and the upper end quick clamp is connected to a first hook provided on the upper water cooling system;

[0016] A lower quick clamp is installed at the lower end of the outer wall of the upper water cooling system, and the lower quick clamp is connected to the second hook located on the lower water cooling system;

[0017] The bottom of the crucible is located at the upper end of the lower water cooling system and is fixedly connected by screws.

[0018] Further: the water inlet of the upper water cooling system is located on the lower side of the water-cooling outer wall;

[0019] The water outlet of the upper water cooling system is located on the upper part of the inner sliding conical surface of the water-cooling outer wall.

[0020] Further: the lower water cooling system includes a lower water cooling outer wall, and the inner upper end of the lower water cooling outer wall is tapered;

[0021] The tapered upper end surface of the lower water-cooled outer wall abuts against the lower end surface of the crucible;

[0022] A water outlet is provided on the side of the lower water-cooling outer wall, and the water outlet of the cooling water of the lower water-cooling system is located on the lower side of the lower water-cooling outer wall.

[0023] Compared with the prior art, the present invention has the following advantages: by dividing a water cooling system into two separate water cooling systems, the method of removing the smelted bars is changed from the previous lifting removal to direct removal from the bottom of the crucible; the specific effects are as follows:

[0024] 1) The quick clamp method is used to facilitate the separation of the upper and lower water cooling systems and the separation of the crucible and the bottom of the crucible, avoiding the need to lift the crucible together with the bottom of the crucible out of the cooling water by hoisting, saving work time;

[0025] 2) The crucible and the bottom of the crucible are fixedly connected to the upper and lower water cooling systems respectively, avoiding unnecessary operations, and the cooling water will not flow out of the cooling system, ensuring the dryness and cleanliness of the workshop;

[0026] The device structure realizes the function of taking out the vacuum consumable arc furnace rod from the bottom of the crucible, is easy to operate, saves working hours, has high reliability, and improves the cleanliness and safety of the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic structural diagram of the quick clamp of the present invention when the upper and lower water cooling systems are tightened;

[0028] Figure 2 This is a schematic diagram of the cooling water flow direction of the upper and lower water cooling systems of the present invention.

[0029] Among them: 1. First claw; 2. Crucible; 3. Upper water-cooled outer wall; 4. Upper quick clamp; 5. Guide tube; 6. Lower quick clamp; 7. Second claw; 8. Lower water-cooled outer wall; 9. Sealing ring; 10. Upper pipe fitting. DETAILED DESCRIPTION

[0030] The present invention is described in further detail below with reference to the accompanying drawings:

[0031] like Figure 1 and Figure 2 As shown, a water cooling device for a crucible 2 of a vacuum consumable arc furnace comprises, from top to bottom, an upper water cooling system, a crucible 2, and a lower water cooling system;

[0032] The top of the crucible 2 is connected to the upper water cooling system, and the bottom of the crucible 2 is connected to the lower water cooling system.

[0033] The upper water cooling system cools the outer wall of the crucible 2, and the lower water cooling system cools the bottom of the crucible 2; the upper and lower water cooling structures of the crucible 2 are independent water circulation systems.

[0034] The upper water cooling system includes an upper water cooling outer wall 3 and a flow guide pipe 5 .

[0035] The lower end surface of the upper water-cooled outer wall 3 abuts against the lower end surface of the flow guide pipe 5 .

[0036] The upper end of the flow guide tube 5 is fixedly connected to the crucible 2 by screws.

[0037] The crucible 2 is located inside the flow guide tube 5 .

[0038] The inner lower end of the upper water-cooled outer wall 3 is an annular cone.

[0039] The lower end of the upper water cooling system is connected to a sealing cover by screws. The sealing cover abuts against the bottom of the crucible 2 to prevent water leakage.

[0040] An upper quick clamp 4 is installed on the upper end of the outer wall of the upper water cooling system, and the upper quick clamp 4 is connected to the first hook 1 provided on the upper water cooling system.

[0041] A lower quick clamp 6 is installed at the lower end of the outer wall of the upper water cooling system, and the lower quick clamp 6 is connected to the second hook 7 located on the lower water cooling system.

[0042] The water inlet of the upper water cooling system is located on the lower side of the water cooling outer wall.

[0043] The water outlet of the upper water cooling system is located on the upper part of the inner sliding cone surface of the water cooling outer wall.

[0044] The bottom of the crucible 2 is located at the upper end of the lower water cooling system and is fixedly connected by screws.

[0045] The lower water cooling system comprises a lower water cooling outer wall 8 , the inner upper end of which is tapered.

[0046] The tapered upper end surface of the lower water-cooled outer wall 8 abuts against the lower end surface of the crucible 2 .

[0047] A water outlet is provided on the side of the lower water-cooled outer wall 8 , and the outlet of the cooling water of the lower water-cooling system is located on the lower side of the lower water-cooled outer wall 8 .

[0048] The inner wall surface of the crucible 2 is a conical surface. The smelting rod is taken out from the bottom of the crucible 2.

[0049] After the crucible 2 is smelted and cooled, the lower water cooling system is separated from the upper water cooling system by the lower quick clamp to achieve rapid unloading of the smelted ingot, thereby preventing the cooling water inside the crucible 2 from flowing out and reducing the operation time.

[0050] The device structure realizes the function of taking out the vacuum consumable arc furnace rod from the bottom of the crucible 2, is easy to operate, saves working hours, has high reliability, and improves the cleanliness and safety of the environment.

[0051] It should be noted that relational terms such as "first" and "second" are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variations thereof are intended to cover non-exclusive inclusion, so that an article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element.

[0052] The foregoing is merely a list of specific embodiments of the present application, intended to enable those skilled in the art to understand and implement the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application is not limited to the embodiments shown herein, but is intended to be construed in the broadest manner consistent with the principles and novel features disclosed herein.

[0053] It should be understood that the present application is not limited to the above description and that various modifications and changes can be made without departing from the scope thereof. The scope of the present application is limited only by the appended claims.

Claims

1. A crucible water cooling device for a vacuum consumable arc furnace, characterized in that: The water cooling device comprises, from top to bottom, an upper water cooling system, a crucible (2) and a lower water cooling system; The top of the crucible (2) is connected to an upper water cooling system, and the bottom of the crucible (2) is connected to a lower water cooling system; The upper water cooling system comprises an upper water cooling outer wall (3) and a flow guide pipe (5); The lower end surface of the upper water-cooled outer wall (3) abuts against the lower end surface of the flow guide tube (5); The upper end of the flow guide tube (5) is fixedly connected to the crucible (2) via screws; The crucible (2) is located inside the flow guide tube (5); An upper end quick clamp (4) is installed at the upper end of the outer wall of the upper water cooling system, and the upper end quick clamp (4) is connected to a first hook (1) provided on the upper water cooling system; A lower end quick clamp (6) is installed at the lower end of the outer wall of the upper water cooling system, and the lower end quick clamp (6) is connected to a second hook (7) located on the lower water cooling system; The bottom of the crucible (2) is fixedly connected to the upper end of the lower water cooling system by screws; The inner lower end of the upper water-cooled outer wall (3) is an annular conical surface; The inner wall of the crucible (2) is conical; The lower end of the upper water cooling system is connected to a sealing cover via screws, and the sealing cover abuts against the bottom of the crucible (2); The lower water cooling system comprises a lower water cooling outer wall (8), the inner upper end of the lower water cooling outer wall (8) being tapered; The conical upper end surface of the lower water-cooled outer wall (8) abuts against the lower end surface of the crucible (2); A water outlet is provided on the side of the lower water-cooling outer wall (8), and the outlet of the cooling water of the lower water-cooling system is located on the lower side of the lower water-cooling outer wall (8).

2. The crucible water cooling device for a vacuum consumable arc furnace according to claim 1, characterized in that: The water inlet of the upper water cooling system is located on the lower side of the upper water cooling outer wall (3); The water outlet of the upper water cooling system is located on the upper part of the inner annular conical surface of the upper water cooling outer wall (3).

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