Once-through boiler

Details Once-through boiler Once-through boiler

2011-06-14

2011-06-14

Wilson, Gregory A (Department: 3749)

Liquid heaters and vaporizers

Plants

Feed water heaters

C122S018100, C122S235230

Reexamination Certificate

active

07958852

ABSTRACT:
Disclosed herein is a once-through boiler capable of achieving a steep increase in temperature of steam via reheating of the steam within a combustion chamber, thereby improving heat and energy efficiency. The boiler comprises a body (110), a steam supply unit (120), and a heating unit (130). The body includes a housing (111), a cover (112), and a guide pipe (113). The steam supply unit includes an annular water tank (122) in a lower region of the body, a steam supply chamber (124) in an uppermost region of the body, water pipes (121) amounted on the water tank, a low-temperature steam inlet pipe (125) and a high-temperature steam outlet pipe (127) mounted at opposite sides of the water pipes, and a steam heating pipe (126) to communicate the inlet pipe with the outlet pipe. The heating unit includes a burner (131), and a combustion chamber (132).

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