FIELD: transportation of liquid by pipeline systems.
SUBSTANCE: invention relates to device for increasing specific energy of total flow of liquid at insufficiently high specific pressure energy owing to reduction of pressure energy of rest part of total liquid flow. Liquid flow transformer contains hydraulic pump and hydraulic motor interconnected by shaft. Used as hydraulic pump is centrifugal vane pump, and hydraulic turbine is used as hydraulic motor whose type is determined by parameters of initial and required flows of liquid. Step-up gear or reduction gear can be installed between pump and hydraulic turbine. Pump and/or hydraulic turbine are of multistage design.
EFFECT: provision of different required head in pipelines branching from units of pipelines system with resulting considerable economy of consumed power.
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