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Water distillation system

A technology of distillation system and evaporator, which is applied in the field of water distillation system and can solve the problems of low energy efficiency

Inactive Publication Date: 2003-02-12
AQUA DYNE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0019] This approach relies heavily on the efficiency of the pumps driving the R.O. system, and due to the nature of these pumps, they are extremely energy inefficient

Method used

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Embodiment Construction

[0053] In the water distillation system 10 shown in FIG. 1 , the heating engine 12 is an RB 211 aircraft engine, and the engine 12 is fueled by kerosene. When such engines exceed the manufacturer's recommended flight hours, they can still be used as heat engines in high-volume retorts, meaning those on the order of 40-50 kiloliters / hour. The engine can be tuned to operate as a heat engine rather than providing propulsion. Under steady conditions and using kerosene as fuel, the engine temperature can reach 1150°C. Exhaust gases may be discharged into horizontal ducts 14 where the burned gases at about 650°C are impinged onto the stainless steel cross tubes of the main heat exchanger 16, which are supplied by a pump 18 with circulating feed water. A recirculating pump 20 increases the pressure of the water, thereby raising the boiling point. The water temperature can rise to about 165°C.

[0054] Pump 18 provides a constant supply of water from a seawater tank 22 . Seawater ...

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Abstract

A distillation system is provided for recovering water from sea water and other polluted water source. The system has a heat engine embodying Carnot cycle and a Rankine cycle formed by heat exchangers, flash evaporator and condenser. Burnt gases from the engine such as a jet engine no longer fit for flying are directed into a duct where the exchangers are located. Sea water is pumped into the heat exchanger for preheating by residue heat in the duct and then into the exchanger for further heating. A recirculating pump raises water pressure in the exchanger for increasing boiling point to about 165° C. The heated water is fed into the evaporator where it changes into vapour and condensed into water by the condenser. The jet air stream is used to create Venturi effect for maintaining sub-atmospheric pressure in the evaporator. Any solid left in the evaporator is removed by a transfer mechanism.

Description

field of invention [0001] The present invention relates to the recovery of potable water from seawater or any water source polluted by organic or inorganic substances using heat from a heat generating device, wherein the heat generating device may be a gas turbine steam injection engine. The invention can also be used to recover water from air used in heating and combustion processes. Background of the invention [0002] At present, there are many different methods of seawater desalination. Below, two main methods are illustrated with examples: [0003] distillation method [0004] One form of this method involves raising the temperature of seawater above 100°C at atmospheric pressure to generate steam. The steam is then distilled using ambient air or water as a cooling medium, thereby condensing the steam into pure water. This approach has the following advantages: [0005] 1. Since the water temperature exceeds 65°C, most bacteria can be eliminated; [0006] 2. Since...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28B1/02B01D3/06B01D29/25C02F1/04C02F1/06C02F1/16
CPCC02F1/16C02F1/04Y10S159/901C02F1/06
Inventor G·M·帕克斯顿P·J·格林
Owner AQUA DYNE
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