A submersible pump hydraulic control system
A hydraulic control system and submersible pump technology, applied in the field of submersible pumps, can solve problems such as energy waste, adverse effects on the operation of the hydraulic system, and reduce the efficiency of the hydraulic system, so as to reduce energy consumption and protect normal operation.
Active Publication Date: 2016-12-07
WUHAN MARINE MACHINERY PLANT
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Problems solved by technology
[0005] When the hydraulic oil consumption of the hydraulic motor is less than the output flow of the quantitative pump, the excess hydraulic oil will overflow back to the oil tank through the safety valve. The efficiency of the hydraulic system, while the heat generated by the overflow will increase the oil temperature of the hydraulic system, which will have an adverse effect on the operation of the hydraulic system
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Embodiment
[0023] see figure 1 , the embodiment of the present invention provides a submersible pump hydraulic control system, the hydraulic control system includes: oil tank 1, charge pump 2, variable pump 3, oil suction pipe 4, oil discharge pipe 5, one-way overflow valve group 6, pressure The oil pipe 7, the oil return pipe 8, the pressure control valve group 9 and the hydraulic motor 10, the oil inlet of the charging pump 2 is connected with the fuel tank 1; the oil inlet of the variable displacement pump 3 is connected with the oil outlet of the charging pump 2 through the oil suction pipe 4, The oil discharge port of the variable displacement pump 3 communicates with the oil tank 1 through the oil discharge pipe 5; the one-way relief valve group 6 includes a first one-way valve 6a and a first relief valve 6b, the oil inlet of the first one-way valve 6a and the first one-way valve The oil inlet of a relief valve 6b (and the oil inlet P of the one-way relief valve group 6 1 connecte...
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The invention discloses a submersible-pump hydraulic control system and belongs to the technical field of submersible pumps. The submersible-pump hydraulic control system comprises an oil tank, a slippage pump, variable pumps, one-way overflow valve sets and a pressure control valve set; the oil inlet of the slippage pump is communicated with the oil tank; oil inlets of the variable pumps are communicated with the oil outlet of the slippage pump; each one-way overflow valve set includes a first one-way valve and a first overflow valve, oil inlets of the first one-way valve and the first overflow valve are respectively communicated with the oil outlet of the variable pump, the oil outlet of the first one-way valve is communicated with a pressure oil tube, and the oil outlet of the first overflow valve is communicated with an oil return pipe; each pressure control valve set includes a first proportional overflow valve and a first two-position two-way directional control valve, the oil inlet of the first proportional overflow valve is communicated with the pressure oil pipe, the oil outlet of the first proportional overflow valve is communicated with the oil inlet of the first two-position two-way directional control valve and a drain pipe respectively, and the oil outlet of the first two-position two-way directional control valve is communicated with control oil ports of the variable pumps. The output volume of the variable pumps and consumption volume of a hydraulic motor is kept balanced by the aid of the pressure control valve set, and energy consumption is greatly reduced.
Description
technical field [0001] The invention relates to the technical field of submersible pumps, in particular to a hydraulic control system of a submersible pump. Background technique [0002] Submersible pumps are mainly used on liquid cargo ships such as FPSO (Floating Production Storage and Offloading), product oil tankers and chemical tankers, and are used to transport the liquid cargo in the liquid cargo tank to the outside. The performance of the hydraulic control system of the submersible pump directly affects the working efficiency, reliability and safety of the submersible pump. [0003] The existing submersible pump hydraulic control system includes control components such as quantitative pump, safety valve and speed regulating valve. A constant flow of hydraulic oil is output through the quantitative pump to drive the hydraulic motor to rotate, and the speed of the motor is controlled through the speed regulating valve. [0004] In the process of realizing the present...
Claims
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IPC IPC(8): F15B11/08F15B13/04F04D15/00
CPCF04D15/0005F15B11/08F15B13/04
Inventor 鄢勇方敏赵雷刚洪威
Owner WUHAN MARINE MACHINERY PLANT