TUBULAR CHANNEL FOR REMOVAL OF WATER, STEAM AND GASES FROM CONCRETE FILLER Russian patent published in 2019 - IPC G21D1/00 G21C13/00 G21C13/87 G21F5/08 

FIELD: nuclear equipment.

SUBSTANCE: invention relates to nuclear engineering and can be used in design of metal-concrete (reinforced concrete) shaft of reactor, for example, in power plants with reactor on fast neutrons with heat carrier in form of lead or its alloys. Tubular channel contains a tubular element which is put into the metal-concrete structure. Tubular element represents an untight flexible corrugated metal sleeve, on the outer side of which protective-filtering coating is applied in the form of spiral-wound woven asbestos tape impregnated with solution slowing hardening of cement stone.

EFFECT: invention makes it possible to minimize possibility of tubular channel clogging during concreting and provides the possibility of efficient removal of water, steam and gases from concrete filler at high-temperature drying of heat-resistant concrete mass, which ultimately improves reliability of metal-concrete structures operating at high temperatures.

3 cl, 3 dwg