STERILIZER-AND-HEATER UNIT Russian patent published in 1998 - IPC

FIELD: appliances designed for heating young animals and poultry as well as sterilizing and heating air in indoor locations. SUBSTANCE: unit has housing accommodating at least one infrared radiator. The latter has as many converters as there are heaters each made in the form of shell placed around respective heater. External converting layer of shell has following composition, mass percent: K₂O - 0.8-1.2; Na₂O - 0.3-0.6; Al₂O₃ - 25- 32.9; silicon oxide - 55.5-58.6; ferric oxides - 0.8-1.2; nickel oxides - 0.21-0.26; filler - the rest. Internal converting layer of shell has following composition, mass percent: K₂O - 0.12- 0.15; Na₂O 0.17-0.21; MgO - 2.0-2.2; SiO₂ - 0.5- 0.7; ferric oxides - 1.5-2.1; nickel oxides - 0.2-0.4; filler - the rest. Internal-layer filler includes, mass percent: rare-earth elements - 72-78; chromium - 15-18.8. EFFECT: improved sterilizing efficiency and reliability, reduced power requirement. 4 cl, 3 dwg