Method and apparatus for controlling total dissolved solids in a liquid circulation system
a technology of liquid circulation system and total dissolved solids, which is applied in the direction of lighting and heating apparatus, positive displacement liquid engines, treatment water, etc., can solve the problems of deteriorating cooling efficiency in cooling towers and incompatibility with many polymers, and achieves simple and inexpensive effects
Inactive Publication Date: 2013-07-11
MANTERS CORP
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Benefits of technology
This patent describes a way to control the levels of dissolved solids in a liquid circulation system, which can help improve cooling efficiency and prevent scale buildup. The method works by using a polymeric tube system that can shed scale buildup based on dissolved solids. This eliminates the need for precise measurement of dissolved solids, as computational methods can be used instead. The invention is simple and inexpensive, and can be used with any liquid circulation system, regardless of its components.
Problems solved by technology
Such scale build-up is the leading cause of cooling efficiency deterioration in cooling towers.
With regard to biological growth, it has been found that many of the biocides that are candidates for use in cooling towers or the like using polymeric materials are not compatible with many of the polymers, including nylon.
Method used
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[0024]Referring now to the drawings in detail, and initially to FIG. 1, a direct draft fluid cooler 10 is illustrated. The cooler is designed to advantageously use the evaporation of water or other liquids to cool a second liquid in a heat exchanger located within the device. Such systems can be used with water or other suitable liquids and although the illustrative embodiments are described as utilizing water, the invention is not limited to the use of water or to a direct draft fluid cooler liquid circulation system. It is the intent that the invention is applicable to all types of liquid fluid circulation systems which may be subjected to deterioration as a result of total dissolved solids and / or scale.
[0025]The fluid cooler 10 includes an exterior housing 12 having a top 14, vertical side walls 15, end walls 17, and a bottom wall 16. As seen in FIG. 2, wherein the side wall 15 has been removed to illustrate the interior of the device, housing 12 also contains a liquid distributi...
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A method and apparatus for controlling the total dissolved solids in a liquid circulation system having a sump to which liquid is supplied from a liquid source measures the liquid level in the sump, calculates the average evaporation rate of the liquid over time based on that measurement and also calculates the total dissolved solids level in the liquid based on sump volume, the measured liquid level in the sump, the calculated evaporation rate and the total dissolved solids content of the liquid from the liquid source and adds supply liquid to the liquid circulating system when the calculated total dissolved solids content in the liquid in the system attains a predetermined level.
Description
BACKGROUND OF THE INVENTION[0001]The present invention relates to controlling the level of total dissolved solids in liquid circulation systems such as direct forced draft evaporative coolers and closed loop cooling towers or the like.DESCRIPTION OF THE PRIOR ART[0002]Conventional types of industrial cooling towers include so-called counterflow towers wherein water or other liquid falls or is sprayed downward in the tower counterflow to air moving upwardly in the tower in the opposite direction. Such systems are used for a variety of applications including water air scrubbers, dust collection equipment, air cooling towers, evaporative coolers, fluid coolers or closed loop cooling towers, evaporative condensers or the like. Typically such industrial cooling towers are quite large and permanent.[0003]Some relatively small towers for such purposes have been built which are transportable for various applications such as roof towers. These are disclosed, for example, in U.S. Pat. Nos. 5,...
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IPC IPC(8): E03B5/00
CPCF28F25/02C02F1/008C02F1/76C02F2103/023C02F2209/005F28D5/02C02F2209/42F28F2025/005F28F19/00F28F27/003C02F2209/10Y10T137/0324Y10T137/85986
Inventor DINNAGE, PAUL
Owner MANTERS CORP