Device for producing nano-scale high-purity zinc powder by distillation method

A nano-scale, distillation technology, applied in the field of metal smelting equipment, can solve the problems of low degree of automation, high energy consumption, no secondary heating device for pure zinc steam, etc., and achieve the effect of high degree of automation and low energy consumption

Inactive Publication Date: 2014-06-18
长沙科力威蒸馏技术有限公司
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Problems solved by technology

[0002] At present, the equipment for producing ultra-fine zinc powder generally adopts flame-chambered reverberatory furnaces and tower distillation furnaces, and there is no secondary heating device for pure zinc vapor. The zinc powder produced cannot reach the nanometer level, and the energy consumption is high. , high pollution, low degree of automation

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  • Device for producing nano-scale high-purity zinc powder by distillation method

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Embodiment Construction

[0007] The present invention will be described in detail in conjunction with the embodiments shown in the accompanying drawings.

[0008] Such as figure 1 As shown, a device for producing nano-scale high-purity zinc powder by distillation is composed of an induction-type electric heating crucible distillation furnace capable of continuous feeding, a reflux and high-temperature superheating plate, a zinc powder condenser 1, and a closed water cooling tower 2. The induction-type electric heating crucible distillation furnace with continuous feeding includes a clay graphite distillation crucible 4 with a cover 3 made of refractory castables on the top, and the distillation crucible 4 is coated with a high-alumina refractory insulation layer 5 and an asbestos board layer 6 in turn. , coreless induction furnace coil 7, upper cover 3 is provided with feeding port 8, steam output conduit 9, slag removal port 10, the lower end of feeding port 8 on the upper cover 3 is connected to the...

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Abstract

The invention relates to a device for producing nano-scale high-purity zinc powder by a distillation method. The device is characterized by consisting of a continuously-fed inductive electric heating crucible distillation furnace, a reflux plate, a high-temperature overheat plate, a zinc powder condenser and a closed water cooling tower. A metal zinc ingot is smelted by a smelting crucible to form smelted metal zinc which absorb energy in a distillation crucible for vaporization and distillation, the zinc steam enters the reflux plate so as to remove high-boiling-point purities, the pure zinc steam enters the overheat plate to carry out secondary concurrent heating, overheat zinc steam of which the boiling point higher than that of zinc directly enters the zinc powder condenser to carry out quenching to produce zinc powder which contains little micron-scale high-purity zinc powder and vast majority of nano-scale high-purity zinc powder, wherein the granularity of the produced zinc powder can be controlled within 50nm-100nm, and the purity of the produced zinc powder is up to over 99.999 percent; the zinc powder can be continuously produced by uniform feeding without pollution, the energy consumption is low and the automation degree is high.

Description

technical field [0001] The invention relates to metal smelting equipment, in particular to a device for producing nano-level high-purity zinc powder by distillation. Background technique [0002] At present, the equipment for producing ultra-fine zinc powder generally adopts the flame-chambered reverberatory furnace and the tower distillation furnace, and there is no secondary heating device for the pure zinc vapor. The zinc powder produced cannot reach the nanometer level, and the energy consumption is high. , pollution, low degree of automation. Contents of the invention [0003] The purpose of the present invention is in order to overcome above-mentioned weak point, and provide a kind of product purity height, energy consumption is low, pollution-free, the distillation method high degree of automation produces nanoscale high-purity zinc powder device. [0004] In order to realize the above-mentioned invention object, the technical scheme that the present invention adop...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F9/12C22B19/16
Inventor 赵志强杨勇强黄善云关亚君
Owner 长沙科力威蒸馏技术有限公司
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