Study On Theory And Application Of Clean Heating System In Northern Cities

Heat-supply involves numerous households in China northern cities in winter,and it’s an important livehood project.However,unreasonable heating pattern and its high consumption cause serious environment problem.How to ensure livehood heat requirement,and reliaze energy conservation and emission reduction is an urgent problem.This article centres on and spreads out from clean heating in China northern cities:1)According to the energy and resource natural endoements,explore the characteristics of various heating modes of different energy forms,and analyze the development direction of clean heating system in China northern cities.2)This article Establishes a full heat-supply calculation model for heating system,and puts forward basic evaluation indexes based on the heating modes,which includes energy consumption,environment protection and econamy.Then analyze and contrast the weaknesses and strengthes of the heating modes.This chapter provides a basis for the construction of clean heating system in China northern cities.3)This article establish an organic combination among “heat pump”,“high back pressure” and “low temperature back of the heat network”,and then constructs a multi-heatsource cascade heating system based on waste heat recovery.On this basis,with peaking technology,analys the thermal network adjustment methods of the new system.This chapter provides a new idea for the construction of clean heating systems in China northern cities.4)According to the energy and resource natural endoements and the current heating situation China northern cities,a multi-source complementary city clean heating system was proposed.Based on the analysis of heat load compisition for all operating conditions throughout the heating season,establish a comprehensive evaluation method covering energy consumption,environment protection and economy.5)Taking the main downtown area of the Qinhuangdao port area as the research object,formulate clean heating plans.Then compare and analyze the multi-source complementary city clean heating system with the conventional heating program to verify the advantages of multi-source complementary city clean heating systems in terms of energy consumption,environment protection and economy.The above research work is related to the construction of city clean heating system and provides new ideas for the construction of a clean heating system in China northern cities.