Few friction pair seawater desalination high-pressure pump and energy recovery integrated unit
A technology of energy recovery and friction pairs, which is applied in the direction of pump components, pumps, piston pumps, etc., can solve the problems of low integration of energy recovery devices, large number of friction pairs, and salt/sea water mixing, so as to improve mechanical efficiency and energy Recycling efficiency, high integration, and the effect of reducing system energy consumption
Active Publication Date: 2020-04-17
BEIJING UNIV OF TECH
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[0006] The purpose of the present invention is to provide a seawater desalination high-pressure pump with few friction pairs and an energy recovery integrated unit, which improves the existing energy recovery devices with low integration, large number of friction pairs, and salt / sea water mixing, etc., and has the advantages of Good application prospect
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[0021] The main shaft 1 drives the turntable to work under the drive of the motor, and the turntable drives the connecting rod plunger 9 at the pump end to move. Due to the existence of the swash plate 5 at the pump end, the connecting rod plunger 9 at the pump end reciprocates. After the low-pressure seawater is sucked in from the low-pressure seawater inlet Pressurized, and then discharged to the front of the reverse osmosis membrane through the high-pressure seawater outlet.
[0022] The high-pressure concentrated brine that has not passed through the reverse osmosis membrane enters the plunger cavity from the inlet of the high-pressure concentrated brine and the water inlet waist groove on the swash plate 16 at the motor end, pushing the connecting rod plunger 12 at the motor end to extend; at the same time, the high-pressure concentrated brine passes through the motor The end link plunger 12 acts on the turntable, and the turntable gives the motor end link plunger 12 a rea...
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The invention discloses a few friction pair seawater desalination high-pressure pump and energy recovery integrated unit. The integrated unit comprises a seawater hydraulic pump and a seawater hydraulic motor, wherein two sliding shoe pairs in a traditional swash plate type plunger pump are reduced. A structural form that a pump and a motor are arranged on two sides of a main shaft turntable is adopted, a pump end flow distribution swash plate is communicated with a low-pressure seawater inlet and a high-pressure seawater outlet, and a motor end flow distribution swash plate is communicated with a low-pressure strong brine outlet and a high-pressure strong brine inlet. During working, the motor drives the hydraulic pump to suck raw seawater and pressurize, the generated high-pressure seawater is filtered by a reverse osmosis film into the high-pressure strong brine to enter the hydraulic motor, and the high-pressure strong brine is discharged through a low-pressure strong brine outletafter energy recovery is completed. The integrated unit is advantaged in that an energy recovery device overcomes defects that an energy recovery device is low in integration level, large in number offriction pairs, capable of mixing salt / seawater and the like, and the integrated unit has obvious technical advantages of high energy recovery efficiency, no mixing, long service life and the like.
Description
technical field [0001] The invention relates to a seawater desalination high-pressure pump with few friction pairs and an energy recovery integrated unit, which can realize the process of seawater pressurization and energy recovery in a reverse osmosis seawater desalination system, and belongs to the technical field of fluid transmission and control. Background technique [0002] With the increasing scarcity of fresh water resources, the use of seawater desalination technology to produce fresh water has gradually become an effective way to alleviate the tense situation of water resources on a global scale. There are more than 20 methods for seawater desalination, and the reverse osmosis membrane method is one of the most widely used methods at present. The reverse osmosis membrane method, also known as the ultrafiltration method, is a membrane separation and desalination method that uses a semi-permeable membrane that only allows solvents to pass through and does not allow s...
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IPC IPC(8): F04B9/10F04B17/03F04B11/00F03C1/26C02F1/44
CPCF04B9/10F04B17/03F04B11/005F03C1/26C02F1/441Y02A20/131
Inventor 尹方龙汪阳聂松林娄方利郭明周鑫
Owner BEIJING UNIV OF TECH
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