Counterflow Deaerators are built for reliability in large-capacity industrial applications. Simplicity and a rugged design offer cost savings over a varying load range, especially where a high percentage of condensate returns are introduced. They are American Society of Mechanical Engineers (ASME) stamped and meet Heat Exchange Institute (HEI) requirements.
- Trays: Type 430 stainless steel (SS), pan type, riveted construction
- Water distributor: 316 SS. Newterra Lock-N-Load Spray Nozzles
- Design pressure: As required
- Deaerator top: Welded Steel Plate, ASME stamped
- Storage tanks: Welded Steel Plate, ASME stamped
- Vent condenser: Direct Contact Type with Stainless Steel baffling
- Deaerating Trays: Type 430 SS, assembled with stainless steel rivets. Each tray assembly consists of eight or twelve tray channels arranged in two or three staggered tiers of four each, depending on the application.
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Incoming water flows through the spray nozzles and enters the vent condensing chamber as a thin-walled, hollow cone spray pattern. Latent heat transfer is instantaneous because of the intimate water-to-steam exposure.
As the water reaches the tray stack, its temperature is within 2° F of the saturated steam temperature, and virtually all dissolved oxygen and free carbon dioxide have been removed. Nearly all of the steam has now condensed, permitting the non-condensible gases to be carried through the vent by the remaining steam, exiting as a plume.
The preheated water is distributed over the trays and flows down over staggered pans in the trays, making its way through pure steam flowing in the opposite direction. The water leaving the bottom layer of the trays is fully deaerated.
Newterra Deaerator and Forced Draft Degasifiers remove dissolved oxygen and carbon dioxide without steam feed or a need for raising water temperature.Read More about Vacuum Deaerator & Forced Draft Degassifiers