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Fractional condensation vacuum furnace

A technology of graded condensation and vacuum furnace, applied in the direction of furnace, crucible furnace, furnace type, etc., which can solve the problems of product quality reduction and insufficient use of steam heat

Inactive Publication Date: 2012-10-03
JISHOU UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the condensation process, in addition to the condensation of the target product, a considerable part of the impurity substances are also condensed, resulting in a decrease in product quality, and at the same time, the heat carried by the distilled steam cannot be fully utilized.

Method used

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  • Fractional condensation vacuum furnace

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Embodiment Construction

[0007] The equipment is described in further detail below in conjunction with the accompanying drawings:

[0008] This experimental equipment is suitable for extracting and refining more volatile substances in minerals to obtain high-quality products, such as zinc oxide ore. This embodiment includes a water cooling system, an air charging system, a graded condensation vacuum furnace body, a temperature control and detection system, and a vacuum acquisition and detection system. The graded condensation vacuum furnace body (see figure 1 ) including furnace cover 1, cooling water outlet 2, condenser 3, furnace body 4, thermocouple 5, heat shield 6, cooling water inlet 7, graphite crucible 8, graphite heating element 9, water-cooled electrode 10, furnace bottom 11, Condensation pan 12, vacuum pump interface 13 and other parts.

[0009] The steps of extracting the graded and purified products in the graded condensation vacuum furnace are as follows:

[0010] Such as figure 1 As ...

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Abstract

The invention discloses a fractional condensation vacuum furnace, which is a metallurgy vacuum device for directly extracting and obtaining high-quality metal from ores. The fractional condensation vacuum furnace comprises a furnace cover 1, a cooling water outlet 2, a condenser 3, a furnace body 4, a thermocouple 5, a heat shield 6, a cooling water inlet 7, a crucible 8, a heating body 9, a water-cooling electrode 10, a furnace bottom 11, condensing discs 12, a vacuum pump port 13 and the like. The condenser 3 is directly connected with the crucible 8, is formed by overlapping a plurality of condensing discs and has a certain sealing performance; in the reaction process, the condenser temperature declines from high to low gradually. The substance reacts and evaporates in the crucible, and then enters the condenser, and diffuses from bottom to top along the condenser; because saturation vapor pressure of each substance is different, the substance condenses are separated on different condensing discs; and the product quality is improved drastically. The vacuum furnace uses residual heat to improve energy efficiency, thus improving product quality.

Description

technical field [0001] Vacuum metallurgical equipment. Background technique [0002] The condenser of classic vacuum equipment is generally water-cooled, and the obtained product is directly condensed by the water condenser after being distilled from the raw material, which is beneficial to the complete condensation of the product and increases the yield. However, in the condensation process, in addition to the condensation of the target product, a considerable part of impurity substances are also condensed, resulting in a decrease in product quality, and at the same time, the heat carried by the distilled steam cannot be fully utilized. In order to improve product quality, improve energy efficiency, shorten the process flow, and also meet the requirements of building a resource-saving and environment-friendly society, the condenser of the classic vacuum furnace is improved and transformed, and a graded condenser is used to evaporate from the crucible. The outgoing gas pass...

Claims

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Application Information

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IPC IPC(8): F27B14/04F27B14/08C22B9/02C22B9/04
CPCY02P10/20
Inventor 熊利芝何则强
Owner JISHOU UNIVERSITY
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