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Analysis of Connect Form, Regulation Mode and Deliver Energy Consumption in Heating System

Author: NingTaiGang
Tutor: MaShiJun
School: Harbin Institute of Technology
Course: Heating, Gas Supply , Ventilation and Air Conditioning Engineering
Keywords: Heating system mixing-water connected Regulation hydraulic conditions energy consumption
CLC: TU833
Type: Master's thesis
Year: 2009
Downloads: 125
Quote: 2
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Abstract


Heating mode and adjusting method have a great effect on the running of the heating system, so good heating mode and regulation method is the key of energy conservation of the heating system. Excellence heating mode and regulation in practice not only can increase the efficiency of the heating system, it also can provide theoretical foundations and management experiences, and make engineering design and operation management more closely.This paper deduces formula of supply and return water temperature with Radiator and Floor Radiant Heating in Indirect-connected and Mixing-water connected system. Supply and return water temperature regulation curve of heating network and different users is draw by example analysis, and deduced energy consumption of water pumps in Indirect-connected and Mixing water connected system.Control mode of Indirect-connected and Mixing-water connected is researched, which contain control of supply water temperature in users and circulating pumps with variable frequency drives. Control principle and connected mode of substation is analyzed.The article analyzes the hydraulic and thermal work condition, and temperature and flow change curve of heating source of the Indirect-connected and Mixing-connected system. It is conclude that pump conservation of Mixing-water connected is lowest; Pump energy conservation efficiency of Equal Temperature Difference Regulation is higher than Quality Regulation by pump energy consumption calculation of the Indirect-connected and Mixing-connected system; result can be obtained that pump energy consumption of combination mode VI in Indirect-connected is lowest, and pump energy consumption of Equal Temperature Difference Regulation in Mixing-connected is lowest by optimal analysis pump energy consumption of a heating network in WuChang City.

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CLC: > Industrial Technology > Building Science > Housing construction equipment > Air-conditioning, heating, ventilation,and its equipment > Heating
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