Abstract
This paper presents multifactorial studies to solve the improving water quality problem where effective filtering devices development is relevant. Intake filters perform primary treatment retain water suspension and debris of anthropogenic origin. Water analysis monitoring of the Eshkakon reservoir has been presented, as a result there is a need to use a filtration device to reduce its turbidity. A comparative analysis of material, construction and operating costs of various types of water intakes is given and the most economical and prospective one, composed of soft floating filtering devices made of synthetic fabrics, is identified. The main purpose of the device is to reduce “mud load”, mechanical pre-treatment of fresh water until entering a water treatment plant (WTP), water purification from plankton and suspended particles. The main element of the device is a filter wall made of flexible polypropylene material, which makes selective water intake. Advantages of the device include flexibility, high short-term and long-term strength, rot proofing; compliance of the filter design with effective fish protection devices; economic effect of advent of technology is to reduce investment in its manufacture, material consumption and labor costs in operational cycle.
Highlights
Water management development is accompanied by new technologies, structures and materials, makes it possible to modernize and reconstruct existing hydraulic structures [1]
Filter is one of the main elements in water intake devices, which ensures that water is supplied to the pre-pump containers, which is maximally purified from adulterants
A comparative analysis of the cost of materials, construction and operating costs of various types of water intakes showed that the most economical and, promising is the creation of soft floating filtration devices made of synthetic fabrics
Summary
Water management development is accompanied by new technologies, structures and materials, makes it possible to modernize and reconstruct existing hydraulic structures [1]. In the forest-steppe and steppe zones of Russia, water intake units with settling tanks and more complex filtering devices are used This is due to the increased turbidity of river water, caused mainly by surface flushing of the soil layer. Comprehensive studies of soft surfacing structures in the period 1973-2008 performed by specialists of the Novocherkassk Hydrotechnical Scientific School Their methods of calculation, development and improvement of structures with water protection functions are summarized in the monograph [6], the results of theoretical and field studies of a soft surfacing structure made of nylon fabrics with double-sided rubber coating as applied to the intake of a pumping station from a canal (Ukrainian SSR) are given [7,8]. We offer an improved version based on Novocherkassk-type filter - floating synthetic filter device (FSFD)
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