Year: 2020
Type: article
Abstract: This article describes the operation of the automatic control unit of a blast furnace air heater unit. The analysis of the solutions currently existing. The subsystem operation algorithm, its input and output data are described.The subsystem is divided into modules and consists of the main module, which implements an algorithm for choosing the operating mode of the air heaters, a module for calculating the duration of heating and cooling of the air heater and the submodules responsible for theimplementation of various operating modes of the air heater. Also, in a separate module, the valve transfer subsystem between the modes is taken out The module for predicting the heating and cooling of the air heater and the valve transfer module are implemented separately and their structure is not described in the framework of this article. The module, in which the algorithm for heating the air heater is laid down, implements the algorithm for the minimum consumption of high-calorie additives to achieve the optimal heating time for the air heater. For this, the calculation of the predicted heating time of the air heater at the current calorific value of the fuel is performed. If the heating time of the heater is less than the set, you can reduce the consumption of high-calorie additives. If the heater at the current caloric value of the fuel heats up late, the consumption of high-calorie additives increases. The issue of automation of domain coolers is widely covered in modern works, but the latter require either modernization of existing units or sufficiently large computing resources. This article proposes a fairly simple control system that can be implemented on existing units without significant modernization and does not require a large amount of computation for its work. At the same time, it provides a sufficient effect.
Source: Наука та виробництво
Language: Ukrainian
Subfield: Metals and Alloys
Field: Materials Science
Domain: Physical Sciences
Open Access status: diamond
OpenAlex ID: W3104444153