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Vertical vacuum spiral crystallization equipment and method for continuously separating binary eutectic alloy

A technology of binary eutectic and crystallization equipment, which is applied in the direction of improving process efficiency, etc., can solve the problems of not realizing continuous material feeding and discharging, difficulty in guaranteeing vacuum degree, and single processing object, so as to reduce heat loss, avoid metal oxidation, and improve The effect of direct yield

Active Publication Date: 2022-06-03
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The processing objects of the above-mentioned spiral crystallizer are all crude tin materials, and the processing objects are single
At present, the application of spiral crystallizers in the field of non-ferrous metal pyrometallurgy is not much. In the patent with the publication number of CN 111172394 A, a device and method for vacuum continuous crystallization, separation, purification and recovery of aluminum-tin alloys are disclosed. The crystallizer is placed in a vacuum system, the structure is relatively complex, the vacuum degree is difficult to guarantee, and continuous feeding and discharging is not realized

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  • Vertical vacuum spiral crystallization equipment and method for continuously separating binary eutectic alloy
  • Vertical vacuum spiral crystallization equipment and method for continuously separating binary eutectic alloy

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Effect test

Embodiment 1

like figure 1 and 2 As shown, the vertical vacuum spiral crystallization equipment for continuously separating binary eutectic alloys includes a vertical furnace body, a feeding system, a heating system, a circulating water cooling system, a rotating system, a vacuum system, a discharging system and an observation system;

The feeding system includes a melting pot 2, a feeding pipe 3 and a feeding switch 4, the rotating system includes a rotating blade 9, a rotating shaft 10 and a motor 14, and the vacuum system includes a vacuum pump 15 and a series of valves; Pipe I11, discharge switch I12, baffle plate 17, discharge pipe II18, discharge switch II19, melt pot 13 and crystal pot 20;

In the feeding system, the working temperature of the melting pot 2 is 300~1000°C, and the inside of the melting pot 2 is provided with the inlet end of the feeding pipe 3 immersed in the melt of the raw material 1, and the outlet end of the feeding pipe 3 is connected to the vertical pipe throug...

Embodiment 2

like figure 1 and 2 As shown, the vertical vacuum spiral crystallization equipment for continuously separating binary eutectic alloys includes a vertical furnace body, a feeding system, a heating system, a circulating water cooling system, a rotating system, a vacuum system, a discharging system and an observation system;

The feeding system includes a melting pot 2, a feeding pipe 3 and a feeding switch 4, the rotating system includes a rotating blade 9, a rotating shaft 10 and a motor 14, and the vacuum system includes a vacuum pump 15 and a series of valves; Pipe I11, discharge switch I12, baffle plate 17, discharge pipe II18, discharge switch II19, melt pot 13 and crystal pot 20;

In the feeding system, the working temperature of the melting pot 2 is 300~1000°C, and the inside of the melting pot 2 is provided with the inlet end of the feeding pipe 3 immersed in the melt of the raw material 1, and the outlet end of the feeding pipe 3 is connected to the vertical pipe through ...

Embodiment 3

like figure 1 and 2 As shown, the vertical vacuum spiral crystallization equipment for continuously separating binary eutectic alloys includes a vertical furnace body, a feeding system, a heating system, a circulating water cooling system, a rotating system, a vacuum system, a discharging system and an observation system;

The feeding system includes a melting pot 2, a feeding pipe 3 and a feeding switch 4, the rotating system includes a rotating blade 9, a rotating shaft 10 and a motor 14, and the vacuum system includes a vacuum pump 15 and a series of valves; Pipe I11, discharge switch I12, baffle plate 17, discharge pipe II18, discharge switch II19, melt pot 13 and crystal pot 20;

In the feeding system, the working temperature of the melting pot 2 is 300~1000°C, and the inside of the melting pot 2 is provided with the inlet end of the feeding pipe 3 immersed in the melt of the raw material 1, and the outlet end of the feeding pipe 3 is connected to the vertical pipe throug...

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Abstract

The invention relates to vertical vacuum spiral crystallization equipment and method for continuously separating binary eutectic alloy, and belongs to the technical field of non-ferrous metal pyrometallurgy. The vertical vacuum spiral crystallization equipment for continuously separating the binary eutectic alloy comprises a vertical furnace body, a feeding system, a heating system, a circulating water cooling system, a rotating system, a vacuum system, a discharging system and an observation system. The equipment and the method are used for treating binary alloy containing eutectic phase point arbitrary components, the equipment is convenient to operate and low in strength, no three wastes are generated in the treatment process, the direct recovery rate of metal is guaranteed to the maximum extent, the operation environment is good, and the process is safe and controllable.

Description

technical field [0001] The invention relates to a vertical vacuum spiral crystallization device and method for continuously separating binary eutectic alloys, belonging to the technical field of nonferrous metal pyrometallurgy. Background technique [0002] Crystallization separation method utilizes the difference in the solubility of impurities in solid host metal and liquid host metal to achieve impurity separation. The electrothermal continuous crystallization machine invented by the crystallization separation method in my country in the 1970s is one of the most important equipments in the tin smelting process, and its main function is to realize the removal of lead in crude tin. However, the traditional electrothermal continuous crystallizer has low degree of automation, high water consumption, and poor working environment for workers. For decades, our country's scientific and technological personnel have continued to transform it. In the patent with the publication nu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B25/08C22B21/06C22B13/10C22B30/06C22B9/02C22B9/04
CPCC22B25/08C22B21/068C22B13/10C22B30/06C22B9/02C22B9/04Y02P10/20
Inventor 李一夫张环杨连峰周生安杨斌陈秀敏刘大春徐宝强田阳蒋文龙
Owner KUNMING UNIV OF SCI & TECH