FIELD: power industry.
SUBSTANCE: general-purpose boiler includes a firing installation restricted with walls of refractory materials, radiant and convective heating surfaces consisting of a bundle of headers connected by means of tubes with common inlet and outlet headers; at that, upper headers of panels of convective heating surfaces are installed at an angle to horizon, and planes of panels are installed at an angle to vertical to both sides so that an expansion cavity of lower pact of the bundle of panels is formed. Side panels of the bundle of heating surfaces are supports for installation of heat insulation.
EFFECT: reduction of aerodynamic resistance of a gas path.
2 dwg
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