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Device and method for producing small hollow electroslag ingot

A production device and electroslag ingot technology are applied in the field of production devices for small hollow electroslag ingots, and can solve the problems of inability to guarantee the concentricity of hollow electroslag ingots, unsuitable for small hollow electroslag ingots, and inability to guarantee a large filling ratio. , to achieve good power-on effect, simple structure, and the effect of ensuring strength

Active Publication Date: 2017-06-27
凌远科技股份有限公司
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Problems solved by technology

[0004] The purpose of the present invention is to provide a small-sized hollow electroslag ingot production device and method to solve the existing problems in the prior art that the concentricity of the hollow electroslag ingot cannot be guaranteed, the large filling ratio cannot be guaranteed, the structure is complicated, and the production cost is high. And technical problems that are not suitable for small hollow electroslag ingots

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  • Device and method for producing small hollow electroslag ingot
  • Device and method for producing small hollow electroslag ingot

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Embodiment Construction

[0030] Attached below figure 1 The present invention is further elaborated.

[0031] see attached figure 1 and attached figure 2 , the production device of the small hollow electroslag ingot of the present invention includes an outer crystallizer 3, an inner crystallizer 2, a bottom water tank 7, a copper plate 4 and a circulating cooling system; the inner crystallizer 2 is fixed in the bottom water tank 7, and the outer crystallizer 3 is a movable formula structure;

[0032] The circulating cooling system includes a water distribution tank, a return water tank, an inner crystallizer cooling system, an outer crystallizer cooling system and a bottom water tank cooling system; the bottom water tank cooling system: the bottom water tank 7 is provided with a bottom water tank water inlet and a bottom water tank water outlet on both sides. ; The water inlet of the bottom water tank is connected to the water distribution tank through a high-pressure hose; the water outlet of the...

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Abstract

The invention discloses a device and a method for producing a small hollow electroslag ingot, belongs to the technical field of hollow electroslag ingot melting, and solves the technical problems of incapacity of ensuring the concentricity of the hollow electroslag ingot, incapacity of ensuring a high filling ratio, complex structure, high production cost and inapplicability to a small hollow electroslag ingot in the prior art. According to the device disclosed by the invention, an inner crystallizer is fixed to a bottom water tank, and an outer crystallizer is of a movable structure. The method disclosed by the invention comprises the following steps: welding a re-melting electrode of the hollow electroslag ingot; melting a solid pre-melting slag; pouring the liquid slag into the crystallizers in the invention, and carrying out electrifying melting; and carrying out die release after the melting is concluded. The device disclosed by the invention has the advantages of being simple in structure, easy to produce, simple to operate during a melting process, and low in production cost.

Description

technical field [0001] The invention belongs to the technical field of hollow electroslag ingot smelting, and particularly relates to a production device and a method for a small hollow electroslag ingot. Background technique [0002] At present, most of the domestic production of thick-walled tube blanks are produced by forging and boring of electric furnace ingots, extrusion and perforation of solid billets, and centrifugal casting. High; cast steel pipes are prone to casting defects and cannot meet high performance requirements; hollow tube blanks produced by electroslag remelting have uniform composition and structure, less gas and inclusion content in steel, and low production costs, which can replace forging and casting tube blank, so the production of hollow electroslag ingot has a lot of room for development. [0003] The production process of hollow electroslag ingot is relatively complicated, especially the structural design of the mold. If the structural design o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D23/10B22D7/04B22D7/06
CPCB22D7/04B22D7/06B22D23/10
Inventor 张凌黄石起任田田
Owner 凌远科技股份有限公司
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