Tag:energy

№1|2024

ENERGY CONSERVATION

UDC 658.261:621.577
DOI 10.35776/VST.2024.01.06

Razakov M. A.

Regulating the use of secondary energy resources at high-voltage wastewater pumping stations

Summary

The results of studying the use of secondary energy resources at a high-voltage municipal wastewater pumping station are presented. The specific features of designing and operating engineering systems for maintaining a microclimate at a wastewater pumping station, as well as the generated wastes that can potentially be used in the form of secondary energy resources, are considered. A review of the energy resources obtained in the process of pumping wastewater to the treatment facilities and can be used to reduce the share of basic operating costs, was carried out. The results of a field survey of the heating system at a municipal wastewater pumping station are presented. The main types of heating and ventilation systems used at wastewater pumping stations located in Moscow are considered. Options have been proposed for regulating the use of wastewater heat, exhaust air, and the technological process within the premises of a municipal wastewater pumping station, taking into account the features of wastewater treatment at the wastewater treatment facilities. The work can be of interest to the operators of the municipal wastewater disposal systems, engineers of building heating and ventilation systems, as well as for the researchers and designers working in the field of developing microclimate in industrial structures.

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№9|2010

POTABLE WATER SUPPLY

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UDC 628.15:62-531.3.004.18

LEZNOV B. S., Vorobiev S. V.

Assessment of Water Saving When Using the Regulated Electric Drive in Pumping Plants of Water Supply Systems

Summary

Methods of the assessment of water saving developed by specialists of the Yagorba Ltd. and the automation laboratory of the NII VODGEO PC are described. The assessment of water saving when using a regulated drive for various variants of pumping plants operation in the water supply systems can be made with the help of these methods. Results of the calculation are close sufficiently to the results of operational supervision on real objects. This procedure can be used for estimation of reduction of wastewater disposal into the sewerage owing to the reduction of non-productive discharges in a water delivery system. The example of calculation of predicted water saving for a pump installation with one and several units is presented.

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