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Distillation type seawater desalination system

A fresh water and evaporating tube technology, applied in seawater treatment, general water supply saving, heating water/sewage treatment, etc., can solve the problems of biofilm damage, high energy consumption, and the service life is easily affected by external factors, and achieve a highly stable effect.

Inactive Publication Date: 2021-12-03
恩拓必(临沂)能源发展有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compared with the distillation method, the membrane method has lower energy consumption, but this method has higher requirements for seawater pretreatment, and the biofilm is easy to be damaged, and the service life is easily affected by external factors
The distillation method has lower requirements for seawater pretreatment, and has the advantages of mature technology, larger device output, and higher quality of desalinated water. However, this method consumes a lot of energy. Some scholars try to improve the distillation process to increase the efficiency of seawater desalination. It was also proposed to use clean energy (such as solar energy) as equipment energy to reduce the consumption of traditional energy

Method used

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  • Distillation type seawater desalination system
  • Distillation type seawater desalination system
  • Distillation type seawater desalination system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] refer to Figure 1-2 As shown, a distillation type seawater desalination system includes a casing, an evaporation tube 2 is arranged in the middle of the casing, a number of metal sheets 3 are arranged inside the casing, and an insulation part is set outside the middle part of the several metal sheets 3, and intervals are reserved for the several metal sheets 3 , the distance between two ends of adjacent metal sheets 3 is greater than the distance between the middle of adjacent metal sheets 3, heat exchange parts are provided at both ends of metal sheets 3, fresh water collection parts are provided on the top of the heat preservation part, and the fresh water collection parts communicate with the outside of the shell, and the bottom side of the shell The wall is provided with a seawater inlet 8, and the side wall of the casing is provided with a liquid level monitoring unit.

[0028] When the seawater desalination system of the present invention is in operation, the eva...

Embodiment 2

[0044] refer to Figure 2-4 As shown, the difference between the seawater desalination system of this embodiment and the first embodiment is that the inner wall of the bottom of the casing is fixedly connected with a heat shield 12, and the lower ends of several metal sheets 3 pass through the heat shield 12 and extend below the heat shield 12. , The side wall of the casing is provided with a cooling circulation part, and the cooling circulation part is located under the heat insulation board 12 .

[0045] The cooling circulation part includes a circulation pipeline 13 connected to the side wall of the shell, and a circulation pump 14 is arranged on the circulation pipeline 13 .

[0046] A number of one-way flow parts are provided on the heat insulation board 12, and the one-way flow part includes a number of acceleration channels 1201 opened on the heat insulation board 12, each acceleration channel 1201 of the acceleration channels 1201 includes a number of drop-shaped chann...

Embodiment 3

[0050] refer to Figure 5-6 As shown, the difference between the seawater desalination system of this embodiment and the first embodiment is that a cleaning part is provided in contact with the inner wall of the casing, the height of the cleaning part matches the height of the liquid level in the casing, and the cleaning part includes a frame 19 arranged inside the casing. The outside of the frame 19 is fixedly connected with a brush 1901, the bottom of the frame 19 is fixedly connected with a push rod 18, the lower end of the push rod 18 is contacted with a cam 1501, the bottom of the shell is provided with a drain port 16, and the sea water inlet 8 and the drain port 16 are arranged oppositely. The seawater port 8 and the water outlet 16 are respectively provided with turbine blades 15 correspondingly, and the two turbine blades 15 and the cam 1501 are pivotally connected through a connecting shaft 17, the connecting shaft 17 is rotationally connected with the casing, and the...

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Abstract

The invention relates to the field of seawater desalination, in particular to a distillation type seawater desalination system which comprises a shell, an evaporation pipe arranged in the middle of the shell, a plurality of metal sheets arranged in the shell, a heat preservation part is adopted to sleeve on the outer sides of the middles of the plurality of metal sheets, and intervals are reserved between the plurality of metal sheets; the interval between the two ends of adjacent metal sheets is larger than the interval between the middle parts of the adjacent metal sheets; heat exchange parts are arranged at the two ends of the metal sheets, a fresh water collecting part is arranged at the top of the heat preservation part and is communicated with the outer side of the shell, a seawater inlet is formed in the side wall of the bottom of the shell, and a liquid level monitoring part is arranged on the side wall of the shell. The efficiency of seawater desalination by a distillation method can be improved.

Description

technical field [0001] The invention relates to the field of seawater desalination, in particular to a distillation type seawater desalination system. Background technique [0002] Although 70% of the earth's surface is covered by water, the distribution of fresh water resources required by land organisms is extremely uneven. For example, tropical rainforests have far more fresh water resources than desert areas. Considering the huge reserves of seawater, people try to develop seawater desalination technology to convert seawater into freshwater, thereby compensating people's freshwater demand. With the continuous advancement of science and technology, seawater desalination technology has also made great progress. At present, there are more than 20 kinds of seawater desalination technologies in the world, including reverse osmosis, multi-stage flash evaporation, electrodialysis, low-temperature multi-effect and freezing methods, etc. It can be roughly classified into two typ...

Claims

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Application Information

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IPC IPC(8): C02F1/04C02F103/08
CPCC02F1/04C02F2103/08Y02A20/124
Inventor 肖松
Owner 恩拓必(临沂)能源发展有限责任公司
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