Aimed at fracturing truck’s characteristics of high power and consumption of fuel, optimization of power matching on energy-saving for the hydraulic-driven fracturing truck which has more than one engine was done. According to the rules of load, the median method was proposed to identify the load. Based on the specific fuel consumption of engine and the pump efficiency test data, the power matching method of lowest consumption of fuel was put forward. According to the engine sample data and pump efficiency test data, the specific fuel consumption model of engine and the efficiency model of pump were built based on the polynomial fitting algorithm. And economic areas of engine and the high efficiency area of pump were obtained. Objective function of practical fuel consumption was built based on the adaptive penalty function method. Under the circumstances of different load conditions and based on the genetic algorithm, the best combinations of engine speed and pump displacement ratio can be output to realize lower specific fuel consumption, higher pump efficiency and the lowest practical fuel consumption. And the results show that when the range of fracturing truck pressure is 40~70 MPa, the rate of saving for the practical fuel consumption is 30.92%~0.05%, and the average is 6.92%~4.20%. The new method has better fuel saving effect than the old one.
Bo YANG
. Optimization of Power Matching on Energy-saving for the Hydraulic-driven Fracturing Truck[J]. The Chinese Journal of Process Engineering, 2017
, 17(4)
: 853
-858
.
DOI: 10.12034/j.issn.1009-606X.216344
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