Abstract
The article presents a scheme for automated control of an aspiration system equipped with filters-dust collectors for production associated with the circulation of explosive dust- gas flows. As an indicator of the state of the entire aspiration, it is proposed to use the total pressure drop on the filter partition and the temperature shown by the pressure sensors. Based on the experimental study of the unrelated layer structure filter total pressure drop dynamics a mathematical description, algorithm and software for trouble-free operation of aspiration were obtained.
Highlights
The efficiency and safety of industries where dust is circulated associated with the functioning of the aspiration system
This method requires a theoretical basis in the field of monitoring the operation of filters, especially in emergency mode.The foregoing served as a prerequisite for conducting experiments, evaluating their results and creating on their basis new methods of controlling the operation of the filter and aspiration as a whole, including in emergency modes
The methods obtained and the algorithms and software created on their basis allow automating the operation of a granular filter-dust collector with different types of loading, and filters with a related structure, for example, fibrous, since fiber filters are widely used in many areas of industry and construction
Summary
The efficiency and safety of industries where dust is circulated associated with the functioning of the aspiration system. The local ACS is designed to receive and process data on the pressure before and after the filter, as well as the air temperature in the filter and the aspiration system as a whole This system calculates the total pressure drop and, based on it, determines the need for filter regeneration, or a layer change if regeneration is ineffective. The initial pressure drop due to dust removal changes the character of the process curve - the "Preparation" mode appears - Fig.2 This mode affects the explosive state of the aspiration system, this effect should be taken into account when developing the mathematical and algorithmic support of the ACS. No Filterlayermaterial Layervolume, SpecificcoefficientEud Coefficient E, Duration of the m3 m-3 preparation period, s
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