METHOD OF WASHING TANK-CARS WITH METAL HOUSING Russian patent published in 1999 - IPC

Abstract RU 2139209 C1

FIELD: railway transport; tanks-cars used for transportation of liquid products, such as oil-and-chemical and oil refining products. SUBSTANCE: outer surface of car is wetted first with alkaline water solution and then is subjected to washing from inside with water steam until temperature of outer surface reaches 70-95 C and water in alkaline solution evaporates. Then outer surface is subjected to washing, when surface is still not, by means of water jet under pressure to remove dirt. EFFECT: provision of cleaning of railway cars from difficult-to-remove contaminants. 4 cl, 2 ex

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RU 2 139 209 C1

Authors

Khejkki Akhonen

Ehrkki Khejskanen

Dates

1999-10-10—Published

1994-12-29—Filed