A desalination device for hydrodynamic cavitation seawater or brackish water
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A technology of hydraulic cavitation and brackish water, which is applied in the fields of water/sewage multi-stage treatment, oxidized water/sewage treatment, water/sludge/sewage treatment, etc. It can solve the problems of not being able to obtain direct drinking water without seawater treatment , to achieve the effect of rapid temperature change, stable water outlet and low energy consumption
Active Publication Date: 2021-03-12
SHANDONG UNIV
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[0006] Aiming at the problems existing in existing seawater desalination devices, such as the inability to realize quick and convenient treatment of seawater and the inability to obtain direct drinking water, the present invention provides a hydraulic cavitation system with a simple structure, large water output, stable water output, and direct drinking water. desalination plant for seawater or brackish water
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[0037] like figure 1 Shown, the desalination device of hydrodynamic cavitation type seawater or brackish water of the present invention, as figure 1As shown, the rotor 5 and the stator 6 are included. The stator 6 is a cylindrical structure, the upper and lower ends of which are connected with end covers 2 by bolts 3, and the joints are provided with gaskets to form a sealed cavitation cavity inside the stator. The rotor 5 is also a cylindrical structure, and its upper and lower ends are provided with end caps 4, so that the inside of the rotor forms a sealed cylinder. The central shaft 1 is installed in the stator 6 through bearings, the central shaft 1 passes through the stator 6 and the rotor 5 inside, the stator 6 rotates relative to the central shaft 1 , and the rotor 5 is fixedly connected with the central shaft 1 . The central shaft 1 is connected with the transmission device to drive the rotor 5 to rotate in the stator 6, and the rotating speed of the rotor is 2500-4...
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Abstract
A hydrodynamic cavitation desalination device for seawater or brackish water, including a stator, a rotor and a central shaft, the interior of the stator is a cavitation chamber, the rotor is a sealed cylinder, the rotor is arranged in the cavitation chamber, and the central shaft is installed in the stator , the central shaft passes through the rotor inside the stator, the rotor is fixedly connected to the central shaft, cavitation hole slots are set on the outer wall of the rotor or the inner wall of the cavitation cavity, or cavitation holes are set on both the outer wall of the rotor and the inner wall of the cavitation cavity The upper part of the stator is provided with a raw water inlet, the top of the stator is provided with a fresh water outlet, and the bottom is provided with a brine outlet. The seawater treatment system using the device includes a raw water lifting pump, a sedimentation tank, a microbial separation tank, a multi-media filter, a low-pressure raw water delivery pump, the desalination device, a condenser and a fresh water collection box. The present invention evaporates water through the heat released instantly when bubbles collapse during cavitation, realizes the separation of water and impurities, and then collects them through condensation, so that the water output is large, stable, safe and reliable.
Description
technical field [0001] The invention relates to a desalination device for brackish water or seawater, in particular to a device for desalination of brackish water or seawater by using hydraulic cavitation. Background technique [0002] Seawater desalination devices currently in practical use are basically multi-stage flash evaporation, reverse osmosis, electrodialysis and refrigeration. Generally speaking, the reverse osmosis membrane method has the advantages of low investment and low energy consumption, but requires high seawater pretreatment; the multi-stage flash evaporation method has the advantages of mature technology, reliable operation, and large device output, but the energy consumption is relatively high. The energy used by these devices mainly comes from fossil fuels such as coal and oil. Energy consumption is high and pollutes the environment. Fossil fuels increase transportation costs. The core problem is that these devices need to consume more energy, which gr...
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