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Sintering pellet burdening control method

A control method and pelletizing technology, which can be used in various fluid ratio control and other directions, and can solve the problems of large time difference in mixing silo, unstable total control, and hysteresis.

Inactive Publication Date: 2014-10-15
JIGANG GRP
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Problems solved by technology

[0002] In the prior art, the known technology is that batching is an important part of the production process in the steel production process. At present, the total amount control of the batching system is mainly realized by manually adjusting the frequency of the feeding equipment. Due to the variety of materials in the batching system, The different distances between the feeding port and the mixing silo for different materials lead to a large difference in the arrival time of various materials in the mixing silo. The traditional manual adjustment of the frequency of the feeding equipment has a large hysteresis, resulting in a large amount of instability in the control. This is the shortcoming of existing technology

Method used

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Embodiment Construction

[0019] In order to clearly illustrate the technical features of the solution, the solution will be described below through a specific implementation manner.

[0020] The sintered pellet batching control method of this program is characterized in that it comprises the following steps:

[0021] 1) Initialize the system, detect the operation of each functional unit and set the time parameters;

[0022] 2) Check whether the feeding equipment is working normally, if it is normal, go to step 3), otherwise use sound and light alarm and SMS alarm and repeat this step until the detection is normal;

[0023] 3) Input control information to the system through the man-machine interface. The control information includes the type of material, the total amount of each material, the ratio of various materials, and the delivery time difference of each material; the man-machine interface includes liquid crystal display and buttons, and the type of material Including iron fine powder, coal powd...

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Abstract

The invention provides the technical scheme of a sintering pellet burdening control method. According to the method provided by the scheme, accessing of a device operation signal and a material flow detection signal and start, stop and output setting of a feeding device can be easily realized. Through a man-machine interface, a total quantity goal setting value, the feeding device ready to start and the proportion of all materials can be set. An embedded controller can automatically calculate different materials which enter the total quantity at the same time according to a preset program, and automatically controls the output of each feeding device to adjust the material preparation quantity to realize precise burdening and stable total quantity control.

Description

technical field [0001] The invention relates to a steel production industry, especially a control method for sintering batching and pellet batching. Background technique [0002] In the prior art, the known technology is that in the steel production process, batching is an important part of the production process. At present, the total amount control of the batching system is mainly realized by manually adjusting the frequency of the feeding equipment. Due to the variety of materials in the batching system, The distance between the feeding port and the mixing silo of different materials leads to a large difference in the arrival time of various materials in the mixing silo. The traditional manual adjustment of the frequency of the feeding equipment has a large hysteresis, resulting in a large amount of instability in the control. This is the weak point that existing technology exists. Contents of the invention [0003] The purpose of the present invention is to provide a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D11/13
Inventor 刘连杰周广生李春雷佀焕玲扈素红程桯白洪强罗飞霞张强刘真黄亚飞
Owner JIGANG GRP
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