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Перспектива развития транспортных средств для жидких кислорода, азота, аргона
Инженерный журнал: наука и инновации
# 10·2017 15
Prospect for the development of vehicles
for liquid oxygen, nitrogen, argon
© O.Ya. Cheremnykh
JSC “Uralkriomash”, Nizhniy Tagil, 622051, Russia
The article discusses developments based on the analysis of previously created vehicle struc-
tures for the transportation of air separation products (oxygen, nitrogen, argon), allowing the
implementation of current cryogenic technologies in the rocket, space, marine and other in-
dustries. The search for optimal solutions when selecting structures and thermal insulation of
these vehicles was carried out. The choice of screen-vacuum heat insulation and the depth of
vacuum in the interstitial space of the tank is substantiated. On the basis of the analysis, the
main admixtures of liquid oxygen were detected and the change in their concentration during
transportation was estimated, therefore it was suggested to transport liquid oxygen in railway
tanks with an open gas discharge of oxygen vapors from the tank, and to maintain product
quality of liquid argon, its transportation was proposed to perform with a closed argon vapor
gas discharge (under excess vapor pressure in the tank). The choice of the tank vessel and
shell material for safe operation in railway transport is substantiated. For the first time, a
description and specifications of an advanced means of transport — a tank container for mul-
timodal transport of liquid oxygen and liquid nitrogen are given.
Keywords:
liquid oxygen, liquid argon, liquid nitrogen, railway tank, tank-container,
heat insulation, vacuum depth, evaporability, railway platform
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