Device for desalting supergravity sea water by heat method
A technology of supergravity and thermal method, which is applied in seawater treatment, heating water/sewage treatment, general water supply conservation, etc., and can solve problems such as high energy consumption, high investment, and low production capacity
Active Publication Date: 2014-04-09
ZHEJIANG OCEAN UNIV
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[0008] The purpose of the present invention is to provide a thermal high-gravity seawater desalination device to solve many practical problems such as high investment, high energy consumption and low production capacity in the existing thermal distillation technology
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[0029] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0030] Such as figure 1 and figure 2 As shown, the preferred embodiment 1 of the present invention includes a rotating bed body 1, a sealed shell 2 and a heat supply device. In this preferred embodiment 1, the heat supply device adopts high-temperature steam as a heat supply method, corresponding to the heat exchange chamber 11 . Wherein, the sealed housing 2 is provided with a connection hole (not marked) for accommodating the output shaft 3 of the rotary motion output device, an air inlet 21 for inputting high-temperature steam, and a first outlet 23 for outputting concentrated seawater , the second outlet 22 for outputting fresh water. Preferably, the material of the sealed housing 2 is selected from ceramics, engineering plastics, various alloys, stainless steel materials or combinations thereof with good magnetic permeability...
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Abstract
The invention provides a device for desalting supergravity sea water by a heat method. The device comprises a sealed shell and a rotary bed body, wherein the seal shell is provided with a connecting hole used for containing an output shaft of a rotary motion output device, a first discharge hole used for outputting the concentrate sea water, and a second discharge hole used for outputting fresh water; the rotary bed body takes on a cylinder shape; the rotary bed body internally comprises a sea water chamber, a heat exchange chamber, a steam collecting chamber, a fresh water chamber, a gas-liquid exchange chamber, a waste gas separation chamber and a heating device, wherein the sea water chamber is arranged at the center of the rotary bed body and extends outside the sealed shell; the heat exchange chamber is arranged around the sea water chamber; the steam collecting chamber is arranged at the outer side of the heat exchange chamber; the fresh water chamber is arranged at the outer side of the heat exchange chamber and is arranged together with the steam collecting chamber in an abreast way; the gas-liquid exchange chamber is close to the heat exchange chamber and the fresh water chamber, and is communicated with the steam collecting chamber and the heat exchange chamber; the waste gas separation chamber is used for concentrating and discharging non-condensable gas; and the heating device corresponds to the heat exchange chamber and is used for heating the heat exchange chamber. The device can produce a great deal of high-purity fresh water rapidly, and solves the practical problems such as high input, high energy consumption and low yield in the existing heat method distillation technology.
Description
technical field [0001] The invention relates to the technical field of seawater desalination, in particular to a thermal high-gravity seawater desalination device that realizes rapid heat and mass transfer between seawater and steam in a high-gravity field to obtain high-purity fresh water. Background technique [0002] As an open-source and incremental technology of water resources, seawater desalination has become an important way to solve the water resource crisis. By 2006, more than 120 countries and regions in the world had applied seawater desalination technology. The global daily output of seawater desalination was about 37.75 million tons, 80% of which was used for drinking water, solving the water supply problem of more than 100 million people. Currently commonly used seawater desalination processes include: reverse osmosis, solar energy, low temperature multi-effect, multi-stage flash evaporation, electrodialysis, pressure steam distillation, dew point evaporation,...
Claims
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IPC IPC(8): C02F1/04C02F103/08
CPCY02A20/124
Inventor 竺柏康王东光葛志强
Owner ZHEJIANG OCEAN UNIV