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Intelligent RTU of industrial furnace

An industrial furnace, intelligent technology, applied in the direction of electric controllers, controllers with specific characteristics, etc., can solve the problems that do not meet the control requirements of high precision and fast response

Inactive Publication Date: 2016-08-03
HUNAN INSTITUTE OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the application of industrial furnace control system, whether it is IPC or DCS or PLC or some RTU, due to the limitation of the mathematical model of the operation process, it is generally not suitable for the control requirements of high precision and fast response

Method used

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  • Intelligent RTU of industrial furnace
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Experimental program
Comparison scheme
Effect test

Embodiment approach

[0024] uc / os-II task division is shown in Table 1.

[0025] Table 1uc / os-II task division

[0026]

[0027] The AppTaskIn() task is responsible for collecting on-site analog, digital or key input, and saving it to the corresponding array after conditioning;

[0028] The AppTaskOut() task outputs the result of this configuration operation to the output channel specified by the user;

[0029] The AppTaskController() task is the core of the entire RTU. It implements the software configuration function. In its task, it first reads the configuration sequence information from the corresponding FLASH address, parses out the input and output parameters of the device, and then calls the algorithm for processing. Store the current calculation results, and then run the configuration sequences that the user has completed on the host computer in turn, and send the output to the port configured by the user when all the configuration sequences are completed. The program flow is as follow...

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Abstract

The invention discloses an intelligent RTU of an industrial furnace. The intelligent RTU comprises an STM32F103ZET6 as a core part thereof and integrates with a plurality of general I / O integrates. Therefore, the intelligent RTU can be matched with various gas and fuel industrial furnaces (including heating furnaces, hot blast stoves, incinerators, reacting furnaces, boilers and the like) to use and realize the functions of purging during the combustion process, igniting, monitoring the flame, monitoring the fuel pressure, controlling the high and low limits of the flow rate, controlling the low limit of the air, accurately adjusting the parameters and the content of the flue gas and accurately adjusting the furnace pressure. The intelligent RTU independently forms a combustion auto-control system and is compatible with a variety of field bus protocols. The intelligent RTU is provided with various communication interfaces including an RS485 interface, a CAN interface, an RS232 interface and the like, and can form a distributed control system through being easily networked through a computer. The internal solidified software of the intelligent RTU comprises a us / os II-type embedded multi-task processing mechanism and is capable of simulating the artificial intelligence. Meanwhile, various modular functional program blocks can be directly called. Therefore, the invention provides an intelligent network unit controller of strong applicability, high control precision and good reliability.

Description

technical field [0001] This description relates to an industrial furnace intelligent RTU, which is especially suitable for the control application of various industrial furnaces in the fields of petroleum, chemical industry, power generation, steel, energy saving, and environmental protection. Background technique [0002] Safe production, energy conservation and environmental protection are important links and long-term strategic guidelines for implementing sustainable development strategies in our country. Industrial furnace equipment is the main safety and energy-consuming equipment in the petroleum, chemical and metallurgical industries. Especially for the petrochemical industry, its major safety accidents account for one-third of the company's energy consumption, and its fuel energy consumption accounts for about half of the company's energy consumption. About one-half. Over the years, relevant industry leaders and experts have emphasized the safety of industrial furna...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B11/42
CPCG05B11/42
Inventor 郭洪澈游述怀曲志勇周海明甘安平
Owner HUNAN INSTITUTE OF SCIENCE AND TECHNOLOGY