Production method of electrolytic manganese metal

A technology of electrolytic manganese metal and production method, which is applied in the direction of photographic process, instrument, photographic auxiliary process, etc., can solve problems such as not being applied in industry, achieve the effects of reducing procurement and transportation costs, solving raw material dependence, and simplifying the impurity removal process

Active Publication Date: 2016-01-20
GUANGXI NON FERROUS METALS GROUP HUIYUANMENGYE
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, these methods have certain defects and have not been practically applied in industry.

Method used

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  • Production method of electrolytic manganese metal
  • Production method of electrolytic manganese metal
  • Production method of electrolytic manganese metal

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0022] figure 1 It is a structural schematic diagram of the production device of manganese monoxide ore powder of the present invention.

[0023] See figure 1 The production device of manganese monoxide ore powder provided by the present invention comprises a vertical reduction furnace 8, the top of the reduction furnace 8 is provided with an automatic distributing machine 9 and a feeding scraper 10, and the bottom of the reduction furnace 8 is provided with A heat medium gas burner 6 and a combustion-supporting blower 2, a cooling water tank 3 and a discharge scraper 1 are provided at the bottom of the reduction furnace 8. The number of the reduction furnaces 8 may be multiple, and the multiple reduction furnaces 8 are arranged side by side.

[0024] In the production device of manganese monoxide ore powder provided by the present invention, the fee...

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Abstract

The invention discloses a production method of electrolytic metal manganese, which comprises following steps: a) mixing and drying manganese oxide ore powder and coal, conveying to a feed inlet at top of a vertically placed reducing furnace for a movement from top to bottom; b) injecting and combusting heat gas from a hot gas burner arranged at the lower part of the reducing furnace, and high temperature flue gas generated by combustion rotates and rises in the furnace chamber of the reducing furnace; c) discharging high temperature manganese oxide after reduction and cooling from a discharging device, obtaining manganese oxide ore powder; d) carrying out a leaching chemical combination reaction between manganese oxide ore powder and sulfuric acid, obtaining a crude manganese sulfate solution after solid-liquid separation; e) purifying and cleaning the crude manganese sulfate solution, injecting the purified manganese sulfate solution into an electrolyzer for electrolysis and obtaining the electrolytic metal manganese product. The manganous oxide mineral powder prepared by the invention can be used as substitute raw material for producing the electrolytic metal manganese, thereby solving the manganese industry raw material dependence on manganese carbonate ore and greatly reducing acid consumption and cost.

Description

technical field [0001] The invention relates to a production method of electrolytic metal manganese, in particular to a method for producing electrolytic metal manganese with low-grade manganese oxide ore as raw material. Background technique [0002] Electrolytic manganese metal is widely used in metallurgy, medicine, electronics, communication and other fields. With the development of science and technology, the application of electrolytic manganese continues to expand, and the market demand grows by about 15% annually. The annual production capacity of electrolytic manganese in my country can reach 800,000 tons, accounting for 80% of the world's total production. Over the years, most of my country's electrolytic manganese has been used for export, mainly to Japan, South Korea, Europe and the United States and other countries. Electrolytic manganese metal is obtained from manganese ore by acid leaching to obtain manganese salt, and then sent to the electrolytic cell to e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25C1/10C22B1/02C22B3/08
Inventor 陈奇志万维华林成刚韦国柱张修华苏广源陆超史磊何敏王祖芳
Owner GUANGXI NON FERROUS METALS GROUP HUIYUANMENGYE
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