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Solar and thermocompression vapor-compression distillation type water purifying device

A technology of solar thermal and purification device, applied in the fields of seawater desalination and water purification, can solve problems such as increased energy consumption, and achieve the effects of energy saving, compact process structure and high production efficiency

Active Publication Date: 2013-06-19
DALIAN UNIV OF TECH
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Problems solved by technology

[0003] After searching the literature of the prior art, it was found that Chinese patent application number: 201010300875.5, which discloses a solar pressure steam distillation seawater desalination device, including: solar heat collector, first circulation pump, heat exchanger, evaporative condenser, Fan and vacuum pump mechanism, although the energy of the secondary steam is recovered, but the fan part leads to increased energy consumption

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  • Solar and thermocompression vapor-compression distillation type water purifying device

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Embodiment Construction

[0013] The specific implementation of the present invention will be described in detail below by taking desalination of seawater as an example in combination with technical solutions and accompanying drawings.

[0014] The basic process of this process: the fresh water tank provides part of the fresh water to the solar collector, and the heat collector with the heat pipe as the core component absorbs the solar energy and heats the fresh water into high-temperature and high-pressure steam, which is fed into the steam injector as power steam; the seawater is exchanged After the heater is preheated, it enters the evaporator to be heated and evaporated. The evaporated secondary steam is sucked into the steam ejector, and through the exchange of momentum and energy with the power steam, it becomes compressed steam as heating steam and then passes into the heating chamber, so that the evaporator The seawater inside continues to evaporate, while itself condenses into water and enters ...

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Abstract

The invention discloses a solar and thermocompression vapor-compression distillation type water purifying device, belonging to the technical fields of novel energy and energy saving as well as emission reduction. The solar and thermocompression vapor-compression distillation type water purifying device comprises a fresh-water tank, a solar heat collector, a steam sprayer, a valve, a compressor, an evaporator, a heating chamber, a concentrate groove and a heat exchanger, wherein the solar heat collector is connected with the steam sprayer; an outlet of the evaporator and an inlet of the heating chamber are respectively connected with the steam sprayer; the heat exchanger is respectively connected with an outlet of the heating chamber and an inlet of the evaporator; and the compressor as a branch is connected with the steam sprayer in parallel and is adjusted by the valve. The invention has the benefits that the device has a compact technological structure, conventional energy sources are saved and the investment cost is reduced; by adopting low-pressure and corrosion and scale resistant measures, the temperature of a solution to be treated is prevented from being excessively high, the corrosion is greatly reduced and the service period of the equipment is prolonged. Particularly, the method is suitable for the aspects of freshening seawater, purifying sewage and the like and isa safe, pollution-free and energy-saving technology.

Description

technical field [0001] The invention belongs to the technical field of new energy and energy saving and emission reduction, and relates to a process method for purifying water by coupling solar energy technology and thermal compression steam distillation technology. In particular, the method is suitable for seawater desalination, sewage purification, etc., and is a A clean, safe, pollution-free and energy-saving technology. Background technique [0002] With the development of the world economy, the population continues to grow, the number of cities increases and expands, and the water consumption in various places continues to increase. With the continuous development of industrial and agricultural production, the contradiction between supply and demand of water resources has become increasingly acute. Obtaining fresh water from seawater and sewage has become an effective way to alleviate the tension of water resources. The traditional evaporative water purification and d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/14C02F103/08
CPCY02A20/124Y02A20/142Y02A20/212Y02W10/37
Inventor 兰忠马学虎朱霞白涛刘晓燕
Owner DALIAN UNIV OF TECH
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