| 摘要 |
FIELD: furnaces. ^ SUBSTANCE: furnace comprises housing and heating system. The heating system is made of an electric heated that has load-bearing frame made of steel plates and rectangular metallic pipes provided with openings for receiving rods. The system of circulation and ventilation is made of centrifugal fan that has housing composed of the base shell, working wheel, intake branch pipe with collector and outlet opening, additional shell, that defines additional outlet port. The centrifugal fan is provided with the control valve. ^ EFFECT: improved functional capabilities and enhanced environmental protection. ^ 7 cl, 3 dwg, 1 ex |
