| At present,due to various factors,there are parallel operation of heating network in heating system construction.Because of the characteristics of the parallel heating system,the phenomenon of flow delay is produced.The regulation of the heating system is to achieve the efficient utilization of the parallel heating system through the regulation of the above phenomena..The research and current situation of the flow delay of the parallel heating system at home and abroad are cited in this paper.In order to solve this problem,this paper introduces a lot of theoretical concepts related to this topic in detail,and on the basis of the above concepts,defines the timedelay coefficient and the best target time in the parallel network,and analyzes the correction purpose and method of the delay coefficient;and uses the mathematical analysis method to analyze the existence and uniqueness of the best target time and the time-delay coefficient.Then,in this paper,the mathematical model of heat supply system based on flow delay is established and the solution method is analyzed by setting the objective function with the aim of minimizing the sum of the optimal target time and the constraint conditions with the constraints of the range of the flow of the heat medium,the range of the rate of flow of the heat medium and the error range of the optimal target time.Finally,this paper applies the results of mathematical model to the heating and heating pipe network of the family home of the hydrological team of Dingzhou City,Hebei Province,introduces a large number of Surveying and mapping data,and solves the time-delay coefficient and the best target time for each measuring point under different working cases;and adjusts the pipe network based on this,and obtains the conclusion: under different pump frequencies,the actual arrival time base at each measuring point of the adjusted heating pipe network is obtained This is in accordance with the best target time calculated by each measuring point. |
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