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Method and device for controlling sintering ignition furnace

A technology of sintering control and control method, applied in the field of control, can solve the problems of wasting ignition energy and reducing the service life of ignition furnaces

Active Publication Date: 2013-03-27
HUNAN CHANGTIAN AUTOMATION ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to ensure that the mixture is fully burned after passing through the ignition furnace, the temperature corresponding to the shortest ignition time will be used as the set ignition temperature, so the ignition furnace needs to maintain a higher temperature, which will inevitably cause a waste of ignition energy; in addition, Maintaining a higher temperature is equivalent to controlling the ignition furnace to be in a high-load working state all the time, which will reduce the service life of the ignition furnace

Method used

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  • Method and device for controlling sintering ignition furnace
  • Method and device for controlling sintering ignition furnace
  • Method and device for controlling sintering ignition furnace

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Embodiment Construction

[0049] In order to enable those skilled in the art to better understand the solution of the present invention, the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings and implementation manners.

[0050] First, the application scenarios of the embodiments of the present invention are briefly introduced.

[0051] see figure 1 , shows a schematic diagram of the composition of the sintering control system, and its sintering process can be briefly described as follows: First, in the batching chamber 1, materials such as iron-containing raw materials, fuel, and flux are batched according to a certain ratio; secondly, in the mixer 2 In the process, the iron-containing materials are mixed, added with water, and pelletized to form a mixed material; then, after passing through the round roller feeder 3 and the nine-roll distributor 4, the mixed material is evenly spread on the sintering trolley 5, and the sintered...

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Abstract

The invention provides a method and device for controlling a sintering ignition furnace. The method is applied to a sintering control system, a main exhaust fan in the sintering control system runs in a frequency conversion mode, and a sintering trolley stably runs at least one constant speed. The method comprises the steps of acquiring the length of the ignition furnace and the running speed of the trolley to calculate ignition time; looking up a preset data base according to the ignition time and conforming preset ignition temperature; and controlling the ignition furnace and maintaining the preset ignition temperature. By means of the technical scheme, the purposes of saving ignition energy sources, reducing ignition energy consumption and prolonging the service life of the ignition furnace are achieved.

Description

technical field [0001] The invention relates to the field of control technology, in particular to a control method and device for a sintering ignition furnace. Background technique [0002] Before blast furnace ironmaking production, it is necessary to mix various powdery iron-containing raw materials with an appropriate amount of fuel, flux, and then add an appropriate amount of water. After mixing and pelletizing, they are ignited and burned on the sintering equipment to make it happen. A series of physical and chemical changes, sintering into blocks, and finally through crushing, cooling, screening, granulation and other processing links, the sinter required for blast furnace ironmaking is generated. [0003] For the ignition and sintering link, it is mainly completed by the cooperation of the sintering ignition furnace and the main exhaust fan. Among them, the sintering and ignition furnace is used to heat the mixed material to make the surface layer reach the predeterm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27B21/14
Inventor 孙超袁立新卢杨权申伟杰高鹏双谌浩渺
Owner HUNAN CHANGTIAN AUTOMATION ENG CO LTD
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