| 摘要 |
An atmospheric deaerator unit for use in combination with a deaerator receiver in a boiler feedwater system the deaerator unit being constructed with a container having a steam inlet, a makeup and circulating water inlet and a vapor passage interconnection to the deaerator receiver which stores deaerated water for cycling to a boiler, the container having an open atmospheric vent and enclosing a shrouded water spray valve at the end of the water inlet, a water collection tray under the spray valve, and a steam dispersion valve, the tray having an overflow around the end of the steam inlet within the container, wherein water cascades to the steam dispersion valve and is atomized and fully deaerated, the deaerated water falling through the vapor passage interconnection for collection in the deaerator receiver, wherein the steam dispersion valve is regulated by a thermostatic control having a temperature sensor submersed in the water of the collection tray.
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