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Production method of silicomangan of sintering powder by rotary kiln and hot filling in ore-smelting electric furnace

A submerged thermal electric furnace, silicon-manganese alloy technology, which is applied in other directions such as non-combustion heat generation and heating devices, can solve the problems of inability to utilize waste heat, less pollution to the environment, and less pollution to the environment, so as to save electricity consumption and pollute the environment. , the effect of reducing the greenhouse effect

Inactive Publication Date: 2007-02-14
偏关县晋电化工有限责任公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to solve the technical difficulties of high energy consumption, serious environmental pollution and inability to use waste heat in the existing ferroalloy production method, and to provide a turning machine with low energy consumption, low environmental pollution, high output and heat energy recycling. Production method of silicomanganese alloy by kiln sintering powder and hot-charging submerged thermal electric furnace

Method used

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  • Production method of silicomangan of sintering powder by rotary kiln and hot filling in ore-smelting electric furnace

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Embodiment 1

[0016] As shown in the accompanying drawings, the silicon-manganese alloy production method using the rotary kiln sintering powder and hot charging submerged thermal electric furnace in the present embodiment comprises the following steps:

[0017] a. Ingredients: First, crush silica, manganese ore, dolomite, manganese-rich slag and high-iron manganese ore into powders with a particle size of less than 50mm and put them into the receiving bin respectively. The amount of manganese is different, calculate the ratio of raw materials, carry out batching and mix evenly;

[0018] b. Sintering powder: The mixed powder is metered into the kiln tail of the rotary kiln, sintered into a material with a particle size of 5-70 mm in the sintering zone of the rotary kiln, and discharged from the kiln head of the rotary kiln. The temperature in the sintering zone of the rotary kiln is 850 ℃-1300℃, the time of the material in the rotary kiln is 50 minutes;

[0019] c. Hot-charging submerged t...

Embodiment 2

[0025] As shown in the accompanying drawings, the silicon-manganese alloy production method using the rotary kiln sintering powder and hot charging submerged thermal electric furnace in the present embodiment comprises the following steps:

[0026] a. Ingredients: First, crush silica, manganese ore, dolomite, manganese-rich slag and high-iron manganese ore into powders with a particle size of less than 50mm and put them into the receiving bin respectively. The amount of manganese is different, calculate the ratio of raw materials, carry out batching and mix evenly;

[0027] b. Sintering powder: The mixed powder is metered into the kiln tail of the rotary kiln, sintered into a material with a particle size of 5-70 mm in the sintering zone of the rotary kiln, and discharged from the kiln head of the rotary kiln. The temperature in the sintering zone of the rotary kiln is 850 ℃-1300℃, the time of the material in the rotary kiln is 60 minutes;

[0028] c. Hot-charging submerged t...

Embodiment 3

[0034] As shown in the accompanying drawings, the silicon-manganese alloy production method using the rotary kiln sintering powder and hot charging submerged thermal electric furnace in the present embodiment comprises the following steps:

[0035] a. Ingredients: First, crush silica, manganese ore, dolomite, manganese-rich slag and high-iron manganese ore into powders with a particle size of less than 50mm and put them into the receiving bin respectively. The amount of manganese is different, calculate the ratio of raw materials, carry out batching and mix evenly;

[0036] b. Sintering powder: The mixed powder is metered into the kiln tail of the rotary kiln, sintered into a material with a particle size of 5-70 mm in the sintering zone of the rotary kiln, and discharged from the kiln head of the rotary kiln. The temperature in the sintering zone of the rotary kiln is 850 ℃-1300℃, the time of the material in the rotary kiln is 70 minutes;

[0037] c. Hot-charging submerged t...

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Abstract

The invention relates to a manufacture method for siliconmanganese that uses rotary kiln sintering powder and hot charges into mine thermoelectricity furnace. It includes the following steps: mixing, sintering powder, hot charging the 5-70mm diameter powder into mine thermoelectricity furnace and the furnace temperature is 680-900 degree centigrade, melting for 6h to generate siliconmanganese mixed solution and draw a charge, separating the dregs and iron, and casting the alloy molten iron into die equipment.

Description

technical field [0001] The invention relates to a production method of silicon-manganese alloy by sintering powder in a rotary kiln and hot-charging into an ore-thermal electric furnace, which belongs to a production method of silicon-manganese alloy smelting. Background technique [0002] At present, ferroalloy production adopts the method of directly smelting ore in submerged thermal electric furnace. The production steps of this method are: firstly, after mixing the fine ore in the ore and coke powder, sintering into minerals by sintering machine, the sintered minerals are crushed and screened The cold state is added to the submerged heat electric furnace for smelting, and the iron is tapped by moving the ladle to separate the slag and iron. Because the above-mentioned method uses a sintering machine to sinter into minerals, the flue gas pollutes the environment seriously; especially the flue gas from the submerged electric furnace, because of its high temperature, it nee...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/03C22B1/14C22B5/10F24J3/00
Inventor 王浩
Owner 偏关县晋电化工有限责任公司
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