CONTACT STEAM GENERATOR Russian patent published in 2010 - IPC F22B27/00 

Abstract RU 2383815 C1

FIELD: heating.

SUBSTANCE: invention relates to heat power engineering and can be used in steam generation. Proposed contact steam generator comprises furnace consisting of shell accommodating shield tubes connected with upper and lower circular manifolds furnished with feed water inlet and outlet branch pipes, respectively. Burner is arranged axisymmetric about said shell. Note here that shield tubes and shell are curved so that the chamber formed by shield tubes repeats burner flame shape. Steam generator comprises also ejector, cyclone and feed pump. Note also that furnace communicated, via its inlet formed by upper manifold ring, with ejector intake chamber. Ejector diffuser communicates with cyclone tangential branch pipe. The latter has its return water discharge branch pipe communicated, via return water pipeline, feed water pipeline and feed pump, with feed water inlet branch pipe feeding water into furnace lower manifold. Hot water branch pipe to discharge hot water from upper manifold communicates, via hot water pipeline, with ejector nozzle.

EFFECT: higher efficiency.

2 dwg

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RU 2 383 815 C1

Authors

Ezhov Vladimir Sergeevich

Dates

2010-03-10Published

2008-12-22Filed