FIELD: power engineering.
SUBSTANCE: invention relates to the field of power engineering. Heating boiler furnace chamber comprises a housing having a furnace space inside it, an insulating element attached to the inner surface of the housing, the housing having a foamed portion in the form of an outwardly curved inner surface area of the housing, wherein the insulating element is attached to the housing so as to close the foamed portion to form an air gap between the foamed portion and the insulating member.
EFFECT: invention allows improving operating reliability.
10 cl, 9 dwg
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