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Refining device for silicon-manganese alloy tailings and method of using the same

A technology for silicon-manganese alloy and tailings, which is applied in the field of refining devices for silicon-manganese alloy tailings, can solve the problems of wasting Mn elements, unfavorable comprehensive utilization, etc., saves energy and resources, is easy to color and tempers, and reduces production. cost effect

Active Publication Date: 2017-06-30
SHANGHAI BAOSTEEL ENERGY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, for the higher content of MnO in tailings 2 There is no effective utilization measure, MnO 2 Participating in the follow-up process as impurities is not only not conducive to the implementation of follow-up comprehensive utilization, but also wastes the Mn element

Method used

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  • Refining device for silicon-manganese alloy tailings and method of using the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A refining device for silicon-manganese alloy tailings, comprising silicon-manganese alloy slag outlet 1, melting furnace 2, metal casting machine 3, glass-ceramic forming machine 4, mixer 5, quantitative feeder 6, auxiliary materials Bin 7, reductant storage bin 8 and hoist 9, such as figure 1 As shown, the specific structure is:

[0023] Mixer 5, quantitative feeder 6, auxiliary material bin 7, reducing agent storage bin 8 and hoist 9 are arranged on the side of silicon-manganese alloy slag outlet 1, melting furnace 2, metal casting machine 3 and microcrystalline The glass forming machine 4 is located on the other side of the silicon-manganese alloy slag outlet 1;

[0024] The discharge port of silicon-manganese alloy slag discharge port 1 is set directly above the feed port of melting furnace 2, the feed port of metal casting machine 3 is located directly below the iron tap port of melting furnace 2, and the glass ceramics The feed port of the forming machine 4 is ...

Embodiment 2

[0030] A refining device for silicon-manganese alloy tailings, comprising silicon-manganese alloy slag outlet 1, melting furnace 2, metal casting machine 3, glass-ceramic forming machine 4, mixer 5, quantitative feeder 6, auxiliary materials Bin 7, reducing agent storage bin 8 and hoist 9, the specific structure is: in the auxiliary materials stored in the auxiliary material bin 7, the quality of quartz stone is 2.2 times that of sodium carbonate; in the reducing agent stored in the reducing agent storage bin 8, The quality of ferrosilicon powder is 1.6 times that of coke. Other structures are all the same as in Embodiment 1.

[0031] When the present embodiment is in use, proceed as follows: the amount of reducing agent added is: the quality of the ferrosilicon powder in the reducing agent is 7.6% of the Mn element content in the high-temperature slag, and the amount of auxiliary materials added is 10.6% of the high-temperature slag quality. %. Other steps are all the same ...

Embodiment 3

[0033] A refining device for silicon-manganese alloy tailings, comprising silicon-manganese alloy slag outlet 1, melting furnace 2, metal casting machine 3, glass-ceramic forming machine 4, mixer 5, quantitative feeder 6, auxiliary materials Bin 7, reducing agent storage bin 8 and hoist 9, the specific structure is: in the auxiliary materials stored in the auxiliary material bin 7, the quality of quartz stone is 2.4 times that of sodium carbonate; in the reducing agent stored in the reducing agent storage bin 8, The quality of ferrosilicon powder is 2.2 times that of coke. Other structures are all the same as in Embodiment 1.

[0034] When the present embodiment is used, it is carried out in sequence as follows: the addition amount of the reducing agent is: the quality of the ferrosilicon powder in the reducing agent is 8.2% of the Mn element content in the high-temperature slag, and the addition of auxiliary materials is 16.2% of the high-temperature slag quality. %. Other ...

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Abstract

The invention relates to the field of treatment of slag produced in production or refining of metals, specifically to a refining apparatus for silicon manganese alloy tailings and an application method thereof. The refining apparatus for silicon manganese alloy tailings comprises a silicon manganese alloy slag outlet (1), a melting furnace (2), a metal casting machine (3) and a microcrystalline glass molding machine (4), wherein the discharge outlet of the silicon manganese alloy slag outlet (1) is arranged just above the feed inlet of the melting furnace (2). The refining apparatus is characterized by further comprising a mixer (5), a fixed-weight feeder (6), an accessory material bin (7), a reducing agent warehouse (8) and an elevator (9). The application method for the refining apparatus is characterized in that an accessory material, a reducing agent and slag are heated to at least 1600 DEG C in the melting furnace (2) and calcined, and molten ferromanganese and slag are respectively discharged through the iron outlet and the slag outlet of the melting furnace (2). With the apparatus and the method in the invention, the utilization rate of energy and resources is high, and good environmental protection performance is realized.

Description

technical field [0001] The invention relates to the field of processing slag during metal production or refining, in particular to a refining device for silicon-manganese alloy tailing slag and a method for using the same. Background technique [0002] Silicon-manganese alloy is an alloy composed of manganese, silicon, iron, a small amount of carbon and other elements. It is a ferroalloy with wide application and large output. It is an important composite deoxidizer and alloy additive in iron and steel smelting. In the production process of silicon-manganese alloy, the tailings contain a relatively high proportion of SiO 2 and MnO 2 , while the high-temperature tailings are rich in heat energy, and the SiO in the tailings 2 Various types of glass-ceramics can be directly produced after proper tempering. Compared with the existing glass-ceramics produced with cold slag or natural minerals as raw materials, the physical sensible heat of tailings can be fully utilized by usin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22B7/04C22B47/00C22B5/10C22B5/04C03C10/00
CPCY02P10/20
Inventor 沈怡肖丙雁金鑫储善庆王益平
Owner SHANGHAI BAOSTEEL ENERGY TECH
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