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Desalinization method by stepwise circulation of non-explosive evaporation and condensation

A boiling evaporation and desalination technology, applied in heating water/sewage treatment, etc., can solve the problems of complex process, huge investment and huge system.

Inactive Publication Date: 2005-06-01
尹进福
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, looking at the existing methods and devices, it is generally found that the system is huge, the process is complicated, the cost of water production is high, the investment is huge, and waste energy cannot be used efficiently.

Method used

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  • Desalinization method by stepwise circulation of non-explosive evaporation and condensation
  • Desalinization method by stepwise circulation of non-explosive evaporation and condensation
  • Desalinization method by stepwise circulation of non-explosive evaporation and condensation

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Embodiment Construction

[0010] The invention is that the hot fluid enters the heating evaporator, passes through the heat exchanger, releases heat, and simultaneously heats the spray salt water on the other side and the humid air flowing in the opposite direction with the spray water, and part of the water evaporates after being heated and is heated up. The hot air is taken away to realize the separation of water and salt; the high-temperature, high-humidity saturated air sent by the heating evaporator enters the evaporation and condenser. A condensation channel and an evaporation channel are arranged therein, and the two are separated by a partition wall. The high-temperature saturated air entering the condensation channel is cooled by the low-temperature salt water sprayed in the evaporation channel on the other side of the channel and the counter-flowing humid air, loses condensed water, releases condensation heat, and the saturated air returns to work after the temperature has dropped. A closed a...

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Abstract

The present invention is stepped and circular non-boiling evaporation and condensation desalting method. Inside closed condensator and evaporator with air medium, high temperature saturated air carries the evaporated water to low temperature condensing channel for cooling, losing water and releasing condensation heat, the released condensation heat is absorbed and utilized by the humidifying channel in the other side to heat and humidify sprayed salt water and inversely flowing water-lost low temperature saturated air before entering to the evaporator, and the salt water and the saturated air are heated and humidified to saturated state with outer heat source and the condensed water produced in the cooling process is collected and output. The method has synchronous evaporation and condensation, full conversion between wet heat and latent heat, reinforced mass transfer and heat transfer, full utilization of energy and raised desalt efficiency.

Description

1. Technical field [0001] The invention relates to a non-boiling evaporation and condensation desalination method carried out in stages, which is used in the fields of water treatment, solution desalination, sea (brine) water desalination, waste energy reuse and the like. 2. Background technology [0002] At present, many regions of the world are facing a serious shortage of fresh water, which threatens normal production and life and seriously deteriorates the environment for sustainable development of human beings. As far as coastal areas and inland desertification areas are concerned, coastal areas have vast sea water resources, while inland desert areas have rich brine resources, but they cannot be used directly. However, places such as power generation companies, pharmaceutical factories, hospitals, offshore drilling platforms, ships and ships discharge a large amount of low-grade waste heat during operation, and there are sufficient solar energy in border defense island...

Claims

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Application Information

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IPC IPC(8): C02F1/04
Inventor 尹进福
Owner 尹进福
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