Passive desuperheater
AssigneeMarathon Petroleum Company LP
InventorKeith Buercklin
Life of this patent
Estimating the term…
Abstract
This is a process and apparatus for using a passive desuperheater for passively desuperheating a superheated gas stream before the stream is transmitted to a heat exchanger. A spent gas stream of a liquid condensate is accumulated in the passive desuperheater. An incoming superheated gas stream comes into the passive desuperheater below the liquid level of the liquid condensate in the passive desuperheater for maximum direct contact heat transfer between the incoming steam and the liquid condensate. An outgoing stream of saturated gas exits the desuperheater above the level of the condensate.
Claims16
An apparatus for passively desuperheating a superheated gas stream to saturated conditions comprising:
- a passive desuperheater for passively desuperheating a superheated gas stream to saturated conditions;
- a means for accumulating condensate in the passive desuperheater wherein the condensate has a liquid level in the passive desuperheater;
- an incoming stream of superheated gas entering the passive desuperheater below the liquid level of the condensate;
- a pressure means for controlling the incoming stream of superheated gas entering the passive desuperheater;
- an outgoing stream of desuperheated gas exiting the passive desuperheater above the liquid level of the condensate;
- a heat exchanger that utilizes the outgoing stream of desuperheated gas exiting the passive desuperheater wherein the heat exchanger is elevated above the passive desuperheater;
- a means for accumulating condensate in the heat exchanger;
- and
- a means for supplying the condensate from the heat exchanger to the passive desuperheater.
A process for passively desuperheating a superheated gas stream to saturated conditions comprising the steps of:
- providing a passive desuperheater for passively desuperheating a superheated gas stream to saturated conditions;
- accumulating condensate in the passive desuperheater wherein the condensate has a liquid level in the passive desuperheater;
- providing an incoming stream of superheated gas entering the passive desuperheater below the liquid level of the condensate;
- using pressure to control the flow of superheated gas through the condensate;
- withdrawing an outgoing stream of desuperheater gas exiting the passive desuperheated gas above the liquid level of the condensate;
- utilizing the outgoing stream of desuperheated gas exiting the passive desuperheater in a heat exchanger wherein the heat exchanger is elevated above the passive desuperheater;
- accumulating condensate in the heat exchanger;
- and
- supplying the condensate from the heat exchanger to the passive desuperheater.
Dependencies are inferred from the claim text.