Comprehensive optimization method for steel sintering secondary burdening

A technology of secondary batching and optimization methods, applied in the direction of instruments, adaptive control, control/regulation systems, etc., can solve problems such as rising sinter costs, insufficient consideration of material loss, and low sinter production

Inactive Publication Date: 2011-09-21
CENT SOUTH UNIV
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Problems solved by technology

[0003] The previous batching optimization model aimed at the lowest unit price of neutralization powder and sintering ore, respectively established a pre-batching optimization model and a sintering batching model for optimization, resulting in the optimization results that the pre-batching process and sintering batching process respectively achieved local optimization and the

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  • Comprehensive optimization method for steel sintering secondary burdening
  • Comprehensive optimization method for steel sintering secondary burdening
  • Comprehensive optimization method for steel sintering secondary burdening

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Embodiment 1

[0191] Embodiment 1: The practicability of the present invention is illustrated by taking the one-time pre-batching of a certain iron and steel plant as an example, and 11 kinds of raw materials are used in this pre-batching.

[0192] min 1185 x 11 + 1011 x 12 + 1115 x 13 ...

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Abstract

The invention discloses a comprehensive optimization method for steel sintering secondary burdening. In the invention, steel sintering pre-burdening and a sintering burdening model are integrated; a comprehensive optimization model of the steel sintering secondary burdening is built through chemical composition information, burning loss rate and proportioning constraint interval of iron ore, fusing agents, fuel and sintering recycled object as well as constraint conditions of chemical composition indexes such as iron grades of neutralization powder and agglomerates, calcium oxide content, silica content, magnesium oxide content, aluminum oxide content, sulfur content and the like; and therefore, the secondary burdening process comprising working procedures of pre-burdening and sintering burdening is accurately described, the problem of local optimization but not global optimization because of respectively solving a pre-burdening optimization model and a sintering burdening optimization model is avoided; and the global comprehensive optimization of the steel sintering secondary burdening is realized.

Description

technical field [0001] The invention belongs to the technical field of sintering production process control, and relates to a comprehensive optimization method for secondary batching of iron and steel sintering. Background technique [0002] The batching process is the first process in the steel sintering process, which plays a decisive role in the chemical composition index of sintered ore and has an important impact on the physical performance index of sintered ore. The sintering plants of domestic iron and steel enterprises generally adopt the secondary batching process. First, the iron ore raw materials are uniformly mixed to form neutralized powder. The mixture is formed, a process known as "sintering the batch". The mixture is sintered to form the final product sinter. [0003] The previous batching optimization model aimed at the lowest unit price of neutralization powder and sintering ore, respectively established a pre-batching optimization model and a sintering b...

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Application Information

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IPC IPC(8): G05B13/04
Inventor 吴敏王春生曹卫华赖旭芝焦国华李勇周晋妮
Owner CENT SOUTH UNIV
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