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title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Utilization of waste water heat as a way to improve the energy efficiency of a building
Creators: name: ÐÑÑÐ°ÑÐ¾Ð², ÐÐ°Ð½Ð¸Ð»Ð°
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2021
Subjects: Ð¡ÑÐ¾ÑÐ½ÑÐµ Ð²Ð¾Ð´Ñ
Ð­Ð½ÐµÑÐ³ÐµÑÐ¸ÑÐµÑÐºÐ¸Ðµ ÑÐµÑÑÑÑÑ
ÐÐ°ÑÐ¾ÑÑ ÑÐµÐ¿Ð»Ð¾Ð²ÑÐµ
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description: This work is devoted to the study of the effectiveness of wastewater as a source of low-grade heat for the needs of hot water supply systems and heat supply of buildings and structures. The aim of the work was to substantiate the possibility of efficient use of waste water heat in order to improve the energy efficiency of the building. The objects of research are decentralized, with the use of heat exchangers, and centralized, with the use of heat pumps, waste water heat recovery systems. Research methods are theoretical collection of information, analytical and comparative analyzes, synthesis of the obtained material. The scientific novelty of the work lies in the substantiation of the feasibility of introducing wastewater heat utilization systems into structures for various purposes. In the course of the work, various technological solutions were proposed for the utilization of wastewater heat on the scale of both one residential building and a complex of several structures. For the case of decentralized utilization, three types of heat exchangers were developed, based on the results of modeling, the efficiency and payback period of each model were determined. For the case of centralized utilization, a heat pump system was proposed using the wastewater LTP, and the share of reducing energy costs for heating and hot water supply of buildings was determined. The implementation of the proposed solutions will significantly reduce energy consumption for heat supply of buildings, the developed theoretical models create the prerequisites for an experimental study of the efficiency of wastewater heat utilization systems.