Primenenie nizkotemperaturnoy tekhnologii dlya pod\"ema obolochkovykh ob\"ektov konteynernogo tipa so dna vodnykh basseynov

Boris Timofeevich Marinyuk , Mariya Andreevna Ugol'nikova

Refrigeration Technology ›› 2015, Vol. 104 ›› Issue (1) : 47 -50.

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Refrigeration Technology ›› 2015, Vol. 104 ›› Issue (1) : 47 -50. DOI: 10.17816/RF98886
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Primenenie nizkotemperaturnoy tekhnologii dlya pod\"ema obolochkovykh ob\"ektov konteynernogo tipa so dna vodnykh basseynov

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Abstract

A complex ecological problem related to evacuation of shell type objects of a container type containing harmful substances from nearbottom sectors of natural basins was examined. The actuality of this probleme is undelined by the fact that shelltype objects pollute to a greater degree water areas of the seas, washing coast of our country, in particular the Baltic and Black seas. A long staying in water may lead to a corrosion destruction of a body shell of an object and provoke a direct contact of a toxic substance with water that will result in a significant damage of the aquaculture. A low temperature technology of cleaning nearbottom sectors of water basins from the objects harmful for ecology is offered. A construction arrangement of a cryocuvette providing contactless slight freezing of a shelltype object and its contents so that the object may be uplift without body’s destruction is given. The design of the cuvette allows reproducing practically any profile of the object that makes it possible to freeze quickly the cuvette with the object during a short period of time. Liquid nitrogen with boiling temperature 77 K and water solution of calcium chloride with good operating down to -40...-50 °C [3] are proposed as the low temperature coolants. With calcium chloride the cost of the project realization will be considerably lower. The equations for calculation of the time of the ice bridge formation are cited. The recommendations to uplift shelltype objects are given.

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Boris Timofeevich Marinyuk, Mariya Andreevna Ugol'nikova. Primenenie nizkotemperaturnoy tekhnologii dlya pod\"ema obolochkovykh ob\"ektov konteynernogo tipa so dna vodnykh basseynov. Refrigeration Technology, 2015, 104(1): 47-50 DOI:10.17816/RF98886

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Marinyuk B.T., Ugol'nikova M.A.

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