John Zink Company, LLC

Jeff William White

Wesley Ryan Bussman

Adam B Herrington

Roger L Poe

Jianhui Hong

James Wilkins

Zachary Lewis Kodesh

Jaime Erazo

Dennis Lee Knott

James Charles Franklin

Stephen Tindell

Bryan Beck

At least some embodiments a flare includes a gasket sized and shaped to prevent gas-leakage at the gas slot when pressure of gas entering the flare is below a designed minimum opening pressure that causes the flare bowl to move away from the tip housing. At least some embodiments of a flare includes a diaphragm spring coupled with the flare bowl to assist in movement of the flare bowl with respect to the tip housing to vary an opening dimension of a gas-exit slot defined by the flare bowl and the tip housing.

Flare tip having reduced gas leakage

A liquid seal mating system to accommodate thermal expansion during elevated-temperature operation, including a collar, sized and shaped to receive a discharge end of a gas-delivery conduit and a fence that surrounds the collar and is attached thereto, wherein when installed, the collar accommodates thermal expansion of the gas-delivery conduit along a longitudinal axis of the gas-delivery conduit and limits movement of the gas-delivery conduit perpendicular to the longitudinal axis. A method for suppressing bulk fluid motion in an elevated-temperature liquid seal, including attaching a mount to an outer shell of a liquid seal and receiving, within a mating collar, a discharge end of a gas-delivery conduit, the mating collar attached to the mount and being sized and shaped to accommodate thermal expansion of the gas-delivery conduit, filling the outer shell with liquid to submerge the discharge end of the gas-delivery conduit, and flowing gas through the gas-delivery conduit.

Liquid seal with mating collar

A staged steam injection system for a flare tip that can discharge waste gas into a combustion zone is provided. The staged steam injection system includes, for example, a first gas injection assembly and a second stage gas injection assembly. The first gas injection assembly is configured to inject steam at a high flow rate and a high pressure into the flare tip or the combustion zone. The second gas injection assembly is configured to inject a gas (for example, steam and/or a gas other than steam) at a low flow rate and a high pressure into the flare tip or the combustion zone. A flare tip including the staged steam injection system is also provided.

Staged steam injection system

A flare apparatus for burning combustible gases. A flare tip unit comprises an inner member and an outer member defining an annulus therebetween. The annulus defines an annular gas passage through which combustible gas passes. Air moved by a motive force, preferably steam, passes through the inner member and a steam/air mixture exits an outlet of the inner member. The combustible gas and an air/steam mixture mixes in a premix zone between the inner member outlet and the exit opening of the outer member. The combustible gas/air/steam mixture is ignited for burning in the atmosphere above the exit opening. The flare apparatus may include a plurality of flare tip units.

Flare apparatus

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Tulsa, OK, United States of America

Jeff William White