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Solar collector for evaporation of aqueous solutions

a technology of solar collector and aqueous solution, which is applied in the direction of solar heat collector with working fluid, solar-ray concentration, sustainable buildings, etc., can solve the problems of large pond, large process, and high cost, and achieve the effect of reducing the mixing of layers

Inactive Publication Date: 2011-08-18
LEVIN ALEXANDER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0030]In order to boost heating ability of the proposed solar collector, it is possible to apply a longitudinal reflector, which is pivotally mounted by an arm in a frame that can rotate itself. In such a way, combined rotations of the arm and the frame of the longitudinal reflector allow executing tracking after the sun's motion with reflecting the solar incident light on the aperture of the solar collector.

Problems solved by technology

It is a cheap but, at the same time, very extensive process, which requires large-size ponds.
However, all these patents are not suitable for concentration by evaporation of aqueous solutions with high degree of concentration of soluble components.

Method used

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  • Solar collector for evaporation of aqueous solutions
  • Solar collector for evaporation of aqueous solutions
  • Solar collector for evaporation of aqueous solutions

Examples

Experimental program
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Embodiment Construction

[0045]FIG. 1a shows a longitudinal vertical cross-section of a horizontal solar collector intended for concentration of aqueous solution.

[0046]It comprises a solar collector 100 in a form of a horizontal trough, which consists of in turn a base wall 101, sidewall 102 and two opposite end walls 103 and 104; the horizontal trough is divided by a metal horizontal sheet 105 into the upper section 106 and the lower section 107;

[0047]The upper side of the metal horizontal sheet 105 is provided with a selective coating 108 and the lower side of this metal horizontal sheet 105 is provided with coating 109 with high emittance in the infrared range of spectrum.

The upper section of the horizontal trough 100 is covered with glazing 110.

[0048]The lower section of the horizontal trough 100 is filled up to a certain level with the aqueous solution to be partially evaporated;

[0049]The first end wall 103 is provided with two inlet connections 111 and 112 for supply the aqueous solution to be partial...

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Abstract

The invention is related to solar collectors intended to perform technological processes and specifically, to solar collectors used for concentration by evaporation of aqueous solutions.The proposed solar collector concentrates the aqueous solution by combination of heating the upper thin layer of this solution (this heating is accompanied with evaporation a significant part of this layer) and carrying away of the obtained vapors from the internal space of the solar collector by air stream introduced constantly into the internal space. In another version of this invention the obtained vapors are condensing on the surface of cooling water flowing through the solar collector.

Description

STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH[0001]Not applicable.BACKGROUND OF THE INVENTION[0002]The invention is related to solar collectors intended to perform technological processes and specifically, to solar collectors used for concentration by evaporation of aqueous solutions.[0003]There are two main systems intended to evaporate an aqueous solution with usage of solar heating this aqueous solution.[0004]Open ponds for concentration and crystallization of brines are widely used in chemical industry. It is a cheap but, at the same time, very extensive process, which requires large-size ponds. On the other hand, if the aqueous solution contains volatile contaminants, then the vapors of these contaminants are entering immediately into the atmosphere.[0005]There are some closed systems disclosed in patent literature, which use combination of heating aqueous solutions by solar radiation with absorption of obtained vapors by a gas stream.[0006]U.S. Pat. No. 4,310,382 “Method of...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): F24J2/32F24S10/95
CPCB01D1/0035B01D5/006C02F1/14Y02B10/20F24J2/20F24J2/464F24J2/485F24J2/16F24S10/50F24S23/77F24S70/225F24S80/40Y02E10/40Y02W10/37Y02A20/212
Inventor LEVIN, ALEXANDER
Owner LEVIN ALEXANDER
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