A vacuum continuous casting casting production equipment

Abstract

The invention discloses a vacuum continuous casting production equipment, which comprises a vacuum degassing furnace, an intermediate furnace, an alloy furnace, a crystallizer and a continuous casting machine. There are two vacuum degassing furnaces, each of which is equipped with a vacuum degassing furnace. There is a furnace cover and a crucible. The intermediate furnace is equipped with an intermediate furnace sealing cover, a chute and a first stopper rod. The intermediate furnace is provided with a first base. The first stopper rod is pressed against the concave hole on the first base. There is an alloy furnace sealing cover and a second stopper rod, a second base is provided inside the alloy furnace, the bottom end of the second stopper rod is pressed against the concave hole on the second base, a sliding nozzle is arranged inside the alloy furnace, and a sliding nozzle is provided at the lower end of the alloy furnace. There is a first drainage tube, a second drainage tube is set at the lower end of the second base, the crystallizer is set at the lower end of the alloy furnace, a temperature measuring system is movably inserted on the sealing cover of the alloy furnace, the continuous casting machine is fixedly installed at the lower end of the crystallizer, and the continuous casting machine The pulling head penetrates the bottom of the crystallizer; the structure design of the invention is reasonable, the loss of alloy material is small, and it is suitable for mass promotion.

Description

technical field [0001] The invention relates to the technical field of continuous casting equipment, in particular to a vacuum continuous casting production equipment. Background technique [0002] The continuous casting process is that after the molten steel produced by the converter is refined in the refining furnace, the molten steel needs to be cast into billets of different types and specifications. The continuous casting section is the production process of continuously casting the refined molten steel into billets. The main equipment includes a rotary table, a tundish, a crystallizer, and a tension leveler. [0003] In the prior art, vacuum smelting + semi-continuous casting of ingots or non-vacuum continuous casting is often used for smelting and casting of alloy materials such as copper alloys and aluminum alloys; however, the above two methods of smelting and casting alloys generally exist: 1. Non-ferrous metals such as copper and aluminum are easy to oxidize, abs...

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Problems solved by technology

[0003] In the prior art, vacuum smelting + semi-continuous casting of ingots or non-vacuum continuous casting is often used for smelting and casting of alloy materials such as copper alloys and aluminum alloys; however, the above two methods of smelting and casting alloys generally exist: 1. Non-ferrous metals such as copper and aluminum are easy to oxidize, absorb gas, volatilize and absorb impurities during smelting and casting, resulting in defect segregation, shrinkage cavity, shrinkage porosity, inclusions and other defects; 2. The surface roughness of the ingot is poor, and subsequent processing The amount of milling chips increases; 3. The solidification structure of the dummy head and the ingot tail of the ingot produced by semi-continuous casting is uneven, and the head and tail of a single ingot need to be sawed off, and the actual material utilization rate is about 90%; 4. Semi-continuous casting The continuous ingot production process is discontinuous, the production preparation time is too long, and the production efficiency is low

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