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Environment-friendly granular magnesium passivation system

A granular magnesium, environmentally friendly technology, applied in the direction of furnace components, lighting and heating equipment, furnaces, etc., to achieve the effects of good fluidity, suitable flame retardant time, and not easy to pollute the environment

Inactive Publication Date: 2011-03-09
营口东邦环保科技股份有限公司
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0005] The present invention aims to overcome the deficiencies of the prior art and provide a simple structure, high degree of automation, good fluidity of the target product passivated metal magnesium, suitable flame retardant time, particle size range value to meet the needs of the spray gun structure, easy to operate An environmentally friendly granular magnesium passivation system that is not prone to environmental pollution and other problems

Method used

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  • Environment-friendly granular magnesium passivation system
  • Environment-friendly granular magnesium passivation system
  • Environment-friendly granular magnesium passivation system

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Embodiment Construction

[0018] see figure 1 As shown, the environment-friendly granular magnesium passivation system includes: magnesium silo to be passivated 1, transmission mechanism 2, heating and stirring tank 3, passivated magnesium storage bin 4, separator 6, vibrating screen 7 and dust treatment device; The magnesium storage bin 1 to be passivated is connected with the transmission mechanism 2; the entrance of the heating and stirring tank 3 corresponds to the end of the transmission mechanism 2; The discharge port corresponds; the discharge port of the passivated magnesium storage bin 4 communicates with the feed port of the separator 6 through the heat dissipation conveying mechanism 5; the upper air outlet of the separator 6 communicates with the inlet of the dust treatment device; The outlet of the separator 6 communicates with the inlet of the vibrating screen 7 . In order to improve the separation effect, the separator 6 of the present invention adopts a cyclone separator.

[0019] In ...

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Abstract

The invention belongs to the technical field of molten iron pretreatment and desulfuration, and particularly relates to an environment-friendly granular magnesium passivation system. The system comprises a to-be-passivated magnesium bin (1), a transmission mechanism (2), a heating stirring kettle (3), a passivated magnesium storehouse (4), a separator (6), a vibrating screen (7) and a dust treatment device; the inlet of the heating stirring kettle (3) corresponds to the end of the transmission mechanism (2); the inlet of the passivated magnesium storehouse (4) corresponds to the discharge hole of the heating stirring kettle (3); the discharge hole of the passivated magnesium storehouse (4) is communicated with the feeding hole of the separator (6) through a heat dissipation conveying mechanism (5); the exhaust port on the upper part of the separator (6) is communicated with the inlet of the dust treatment device; and the discharge hole of the separator (6) is communicated with the inlet of the vibrating screen (7). The system has the advantages of high automation degree, good fluidity of a passivated magnesium metal target product and moderate flame retarding time, and is not easy to produce the problems such as environmental pollution and the like during operation.

Description

technical field [0001] The invention belongs to the technical field of molten iron pretreatment desulfurization, and in particular relates to an environment-friendly granular magnesium passivation system. Background technique [0002] At present, when the relevant domestic iron and steel enterprises choose the pretreatment desulfurization process of hot metal, most of them adopt the method of mixed injection (referred to as mixed blowing) or combined injection (referred to as double blowing) for hot metal pretreatment desulfurization. The desulfurizer basically uses passivated granular magnesium and calcareous substances as raw materials. According to the thermodynamic data of granular magnesium and the injection kinetic conditions under the pretreatment state of molten iron, granular magnesium is an ideal desulfurizer. [0003] However, due to the low melting point and boiling point of metal magnesium, it is extremely flammable and explosive. If the metal magnesium particle...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F1/00C21C1/02C21C7/064F27D3/18
Inventor 于林辉陈学新项瑞清陈树村
Owner 营口东邦环保科技股份有限公司
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