A small flashlight integrated multi-plunger type seawater desalination machine and seawater desalination method
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A multi-plunger and flashlight technology, which is applied in chemical instruments and methods, seawater treatment, water/sewage treatment, etc., can solve the problems of limited fresh water volume, inability to meet fresh water demand, and affect the life of reverse osmosis membrane components, etc., to achieve fresh water production Improve and reduce the probability of clogging and prolong life
Active Publication Date: 2020-11-17
自然资源部天津海水淡化与综合利用研究所 +1
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[0004] However, when the handle of the seawater desalinator drives the piston to filter seawater, since the piston needs to move back and forth, the fresh water produced is not continuous, and the seawater pressure difference on both sides of the reverse osmosis membrane module varies from time to time, which affects the reverse osmosis membrane. The life of the components; and the amount of fresh water produced is limited; in addition, the amount of fresh water generated by the human-driven seawater desalinator is far from meeting the fresh water needs of offshore operators
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Embodiment 1
[0060] In this embodiment, the water supply end 2 and the energy recovery end 3 are coaxially connected and arranged in parallel between the power end 1 and the filter end 4; specifically, the first pump shaft 2-31 and the second pump shaft 3- 31 is connected as a whole through the first coupling 5; a water supply gear box 9 is provided between the shell one 2-1 and the shell two 3-1; a second coupling is set between the water supply gear box 9 and the power end 1 6. A drive shaft 7 is provided inside the second coupling 6; one end of the drive shaft 7 is connected to the power end 1, and the other end is connected to the water supply gearbox 9;
[0061] Specifically, the power end 1 includes a motor 1-1, a speed reducer 1-2, a power gearbox 8 and a manual runner 1-3 connected in sequence; the manual runner 1-3 includes a wheel 1-31 and handle 1-32; said wheel disc 1-31 is provided with connecting hole 1-33 along the axial direction, and connecting hole 1-33 is provided with r...
Embodiment 2
[0076] In this embodiment, the power end 1, the water supply end 2 and the energy recovery end 3 are sequentially connected in the axial direction, and the filter end 4 is arranged in parallel on the side of the water supply end 2;
[0077] The first pump shaft 2-31 is axially connected to the second pump shaft 3-31 through a transmission block 1-7; preferably, the transmission block 1-7 is located between the concentrated water pressurization chamber 3-2 and The gear transmission group between the pressurized chambers; when the power end 1 provides power to drive the first pump shaft 2-31 to rotate, the second pump shaft 3-31 can rotate at a faster angular speed, thereby driving the second plunger 3-31 The reciprocating frequency of 32 is greater than that of the first plunger 2-32, and the pressurization effect on concentrated seawater is more obvious.
[0078] Preferably, the side of the first pump end cover close to the power end 1 is detachably connected with a motor connec...
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Abstract
The invention relates to the field of seawater desalination, particularly to a small manual-electric integrated multi-plunger type seawater desalination machine and a seawater desalination method. Thedesalination machine comprises a power end, a water supply end, a filtering end and an energy recovery end, wherein the power end drives the seawater desalination machine to operate in a manual or electric mode, the water supply end is provided with a seawater pressurizing cavity, a first plunger pump, a seawater inlet pipe and a high-pressure water outlet pipe, the seawater inlet pipe and the high-pressure water outlet pipe are communicated with the seawater pressurizing cavity, the energy recovery end comprises a concentrated water pressurizing cavity, a second plunger pump, a concentratedwater discharge pipe and a concentrated water return pipe, the concentrated water discharge pipe and the concentrated water return pipe are communicated with the concentrated water pressurizing cavity, the filtering end comprises a membrane shell, a reverse osmosis membrane assembly, a high-pressure seawater chamber, a concentrated water collecting area, a fresh water chamber and a fresh water receiving pipe. Compared with the traditional desalination machine, the small manual-electric integrated multi-plunger type seawater desalination machine of the invention has characteristics of improvedfresh water production efficiency, integrated design of main components, free switching of manual operation and electric operation, high integration degree, convenient operation and small size, and isconveniently carried by offshore operators.
Description
technical field [0001] The invention relates to the field of seawater desalination, in particular to a small flashlight-integrated multi-plunger type seawater desalination machine and a seawater desalination method. Background technique [0002] At present, small water purification equipment is mainly divided into water purifiers and desalination machines; water purifiers are mostly made of ultrafiltration, microfiltration, low-pressure reverse osmosis, forward osmosis and other processes. Some toxic and harmful substances, but cannot desalinate seawater into drinkable fresh water by separating inorganic salts in water. Therefore, the preparation of seawater into potable freshwater can only be realized by seawater desalination machines, but most of the large-scale seawater desalination devices rely on conventional energy sources, which require stable energy supply and long-term sites. For islands far away from the mainland and lack of energy, the power supply is limited Lar...
Claims
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