Abstract
As is well-known, the problem of fresh water has always been a major problem for ocean navigation. The existing marine seawater desalination equipment generally has the disadvantages of large volume, high energy consumption and easy to pollute the environment. Based on this, we proposed a small seawater desalination system based on phase change to enhance heat transfer, which realized low temperature and low energy consumption by using the loop heat pipe technology, a new type of heat sink type spoiler evaporator and an integrated equal-heat plate fin condenser. The device is suitable for islands, fishing boats and other complicated areas where power is scarce and fresh water resources are scarce. It can also be used as fresh water emergency equipment for large ships, saving energy and being portable.
Highlights
This work main body keep evaporation system, cooling system, vacuum system, circulating spray system as well as fresh water collection system together, and design the supporting base and limit device, structure as shown in fig. 1-1
The evaporating system is composed of plate-type loop heat pipe, solar energy collecting plate, electric heating plate and radiator baffle evaporator
The solar energy collection board and the electric heating board constitute the plate-type loop heat pipe on both sides of the system to collect heat distribution, and the backlit side is set on the electric heating board, and the heat source is mainly solar energy to collect heat, and the electric heating board provides electrical auxiliary heating when necessary
Summary
The evaporating system is composed of plate-type loop heat pipe, solar energy collecting plate, electric heating plate and radiator baffle evaporator. The heat transfer medium phase in the loop heat pipe transforms the heat to the radiator baffle evaporator, which is placed inside the tank to evaporate seawater. Working principle of the loop heat pipe as shown in figure [1,2,3], evaporator absorbs heat at work, makes the capillary core inside the liquid medium evaporate, evaporation of fine holes on the gas by capillary core spreading, capillary core by evaporation circuit to condensing side, the steam in the cooling side cooling liquid, liquid medium by the capillary core after capillary force back into the capillary core inside, complete a cycle, achieve heat transfer. Compared with the traditional single-phase heat transfer, the two-phase heat transfer can improve the heat transfer efficiency and reduce the heat loss in the heat transfer process
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