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An automatic control method and device for a lime kiln

An automatic control and lime kiln technology, applied in the field of lime kiln, can solve the problems such as unreasonable air distribution of lime kiln, achieve the effect of improving production efficiency and product quality, ensuring accuracy and real-time performance, and increasing the degree of automation

Active Publication Date: 2017-06-27
北京嘉永会通能源科技有限公司
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AI Technical Summary

Problems solved by technology

[0009] Aiming at the technical problem that the air distribution of the lime kiln is not reasonable enough in the related art, the present invention proposes an automatic control method and device for the lime kiln, which can improve the accuracy and real-time performance of the air distribution control of the lime kiln

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  • An automatic control method and device for a lime kiln
  • An automatic control method and device for a lime kiln

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Embodiment Construction

[0051] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0052] According to an embodiment of the present invention, an automatic control method for a lime kiln is provided.

[0053] Such as figure 1 As shown, the automatic control method of the lime kiln according to the embodiment of the present invention comprises:

[0054] Step S101, determining the calorific value of the gas;

[0055] Step S103, according to the determined calorific value of the gas and the predetermined production requirement of the lime kiln, determine the air volume required to achieve the predetermined production;

[0056] Step S105, controlling the speed of the fan according to the determined air volume.

[0057] The present invention controls the ai...

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Abstract

The invention provides an automatic control method and device for a lime kiln. The method comprises the steps of determining the heat value of gas; according to the determined heat value of gas and a predetermined yield requirement of a lime kiln, determining the amount of air for achieving the predetermined yield; controlling the rotating speed of fans according to the determined amount of air. Air distribution of a lime kiln is controlled based on the heat value of gas and yield requirements, which are objective, so that the accuracy and instantaneity of air distribution control can be guaranteed and the problem of non-reasonable air distribution control caused by calculating the amount of air solely based on temperature or manually can be solved. The method and the device can control the air distribution of lime kilns in real time accurately, so that the degree of automation of the production of lime kilns can be effectively, the requirements of technological procedures can be met and the production efficiency of lime kilns and product quality can be improved.

Description

technical field [0001] The present invention relates to lime kilns, and in particular, to an automatic control scheme for lime kilns. Background technique [0002] A lime kiln is a kiln for calcination by burning fuel. At present, with the increasing demand for limestone in industrial production, lime kilns are also being used more and more. In order to improve the production efficiency of lime kiln, reduce energy consumption, reduce tail gas emission and improve product quality, many improvement schemes have been proposed. Moreover, due to the increasing demand for automation in today's production process, some people have proposed an automatic control method for lime kilns. [0003] In the production process of the lime kiln, it is necessary to control various aspects of the lime kiln, such as feeding, unloading, and air distribution. Among them, the control process of feeding and unloading is relatively simple, and only relatively simple information needs to be collect...

Claims

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Application Information

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IPC IPC(8): F27D19/00
CPCF27D19/00F27D2019/0043
Inventor 刘畅张瑞祥
Owner 北京嘉永会通能源科技有限公司
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