Technical method and equipment for recycling iron-contained solid waste

A process method and solid waste technology, which is applied in the field of metallurgy, can solve the problems of insufficient treatment of iron-containing ash sludge and affect the quality of sintered ore products, and achieve the effects of uniform distribution and composition, purification of the environment, and increase of air permeability

Active Publication Date: 2013-01-16
MCC CAPITAL ENGINEERING & RESEARCH
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Problems solved by technology

[0004] The present invention provides a method and equipment for recycling iron-containing solid waste to solve the problem that the existing sintering method for treating iron-containing solid waste affects the quality of sintered ore products and the normal production
The invention can also solve the problem that the existing sintering method cannot fully process the iron-containing ash sludge

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  • Technical method and equipment for recycling iron-contained solid waste
  • Technical method and equipment for recycling iron-contained solid waste
  • Technical method and equipment for recycling iron-contained solid waste

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Embodiment Construction

[0032] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described with reference to the accompanying drawings.

[0033] Such as figure 1 As shown, the present invention proposes a process for recycling iron-containing solid waste, and the process for recycling iron-containing solid waste includes the following steps:

[0034] A: Separate the iron-containing solid waste into categories (or types) according to the original composition and transport them to the corresponding silo for storage. Collect silo 11 and bulk slag collection silo 12, or further subdivide dust removal ash and bulk slag according to composition or grade;

[0035] B: Then determine the category and ratio of the iron-containing solid waste as ingredients according to the iron-containing grade target value. The raw material for sintering is generally iron ore powder. Accor...

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Abstract

The invention provides a technical method and equipment for recycling iron-contained solid waste. The technical method for recycling iron-contained solid waste includes the following steps of firstly, classifying the iron-contained solid waste according to original components and conveying to corresponding storage bins to store; secondly, determining required categories and proportions of the iron-contained solid waste as ingredients according to the iron-containing grade target value; thirdly, delivering the iron-contained solid waste from the corresponding storage bins according to the determined categories and the proportions; fourthly, burdening and mixing the iron-contained solid waste to obtain homogenized solid waste; fifthly, secondarily burdening the homogenized solid waste and sintering solvent with sintering materials to prepare mixture; and sixthly, paving and piling the mixture, and sintering the mixture after taking. The equipment for recycling the iron-contained solid waste comprises an iron-contained solid waste pretreatment unit, a sintering solvent processing unit and a mixing and burdening tank. By the technical method and the equipment for recycling iron-contained solid waste, sintering permeability and stability of sintering production are improved and quality of sinter products are improved as well.

Description

technical field [0001] The invention relates to the field of metallurgy, in particular to a process method and equipment for recycling ferrous solid wastes, the main function of which is to realize the recycling and use of various ferrous solid wastes as sintering raw materials. Background technique [0002] Metallurgical enterprises will produce a large amount of iron-containing slag during production, that is, iron-containing solid waste including bulk slag (ie, returned ore, steel slag, steel rolling skin) and dust removal ash. At present, the main treatment method of iron-containing ash sludge (that is, iron-containing solid waste) is direct sintering, and most iron and steel enterprises use the method of directly mixing iron-containing ash sludge into the sintering system for reuse. The way of direct recycling and sintering has realized the recycling of iron-containing ash sludge resources to a certain extent, but due to the lack of homogenization process of various rec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B1/248
CPCY02P10/20
Inventor 徐培万王生阳张静
Owner MCC CAPITAL ENGINEERING & RESEARCH
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