Abstract：Development and application of hydraulic turbine-based energy recovery technology have important significance in energy saving and emission reduction. Hydraulic turbines have been extensively used in petroleum, chemical and fertilizer industries, etc.; however, their design theory and method are imperfect, and their operation is subject to some instabilities as well, thus related studies on them are desirable. In this review, the application, structure and installation of energy recovery hydraulic turbine are described. It is shown that there are four sorts of structure for the turbine, namely pump as turbine, impulse turbine, guide-vane turbine and specialized turbine. The power transmission configuration of the turbine is in two modes, i.e. directly either a pump or a blower and indirectly driving a pump or a blower via a motor. Further, the achievements in the study on energy recovery hydraulic turbines obtained in China and aboard have been reviewed. The turbine selection, optimization design of runner, speed control, hydraulic thrust, structure strength and slip effect of velocity in the turbines are discussed. Finally, the development of hydraulic turbine-based energy recovery technology is prospected. The expected key study issues have been made clear, including:(1)to design and develop novel turbines that are suitable for various operating conditions and improve the total efficiency of the turbines,(2)to decide operation parameters of an energy recovery installation correctly to ensure the turbine operating stability,(3)to choose a feasible regulating method to recover the energy efficiently as the turbine is at its off-design point.
王晓晖, 杨军虎, 史凤霞. 能量回收液力透平的研究现状及展望[J]. 排灌机械工程学报, 2014, 32(9): 742-747.
Wang Xiaohui, Yang Junhu, Shi Fengxia. Status and prospect of study on energy recovery hydraulic turbines. Journal of Drainage and Irrigation Machinery Engin, 2014, 32(9): 742-747.
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