Optimal Design Of Building Hot Water Supply System

With the continuous improvement of people’s living standards, people comfort requirements of residential-type construction also goes a step further, not only made in the construction of more and more multi-functional requirements for appearance, practicality and so on, but also in terms of proposed applications higher demand. The residential area if there is hot water supply system is also an important criterion to measure the area of comfort. Specification on the hot water system on our part with respect to the existence of other parts of the larger controversy, designers often have some confusion for the design of the hot water system, so the hot water supply system optimization study design is essential.This paper systematically describes the residential area of centralized heat and hot water supply systems HTM choices, and residential hot water supply systems, residential hot water system pipe network optimization methods and solution of the model used by the algorithm design, and hot water from the cell design theory, put forward the new ideas in the area of reversed return hot water system.the specification with the way the system only provides the supply and return piping length and substantially equal, and not just the length of the head loss concerned, but also, and head loss per unit length related, the specification is just a special case. When the hot water pipe network as long as the hot water from a different route back to the backwater of the head loss equal to the confluence point, we can think that the hot water system is reversed return hot water systems. Through centralized residential hot water supply system calculation methods for residential hot water system can be used normally theoretical analysis, and from the hot water pipe network design optimization point of view, for instance through the establishment of model analysis, by calculating the water design flow of each pipe section pipe network, diameter, velocity,temperature drop, heat loss and cycle traffic, to finalize the unit length along the head loss for each pipe segment, and by pipe length to calculate the head loss for each pipe segment to establish primary Bernoulli equation, substituting the data to identify the control point forthe entire system, using the control point system to regulate the value of each pipe head loss, so that the hot water supply system security operation.In this paper, the disputed part of the specification are discussed and recommendations by engineering examples of new ideas in this paper were practical applications, and prove its correctness and practicality.