US PATENT SUBCLASS 202 / 148-- .~.~.~.~.~.~ With recuperator

US PATENT SUBCLASS 202 / 148
.~.~.~.~.~.~ With recuperator

Current as of: June, 1999
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202 /	HD	DISTILLATION: APPARATUS

81	DF	APPARATUS {4}
82	DF	.~ Systems {6}
96	DF	.~.~ Thermolytic {5}
105	DF	.~.~.~ Retort {14}
133	DF	.~.~.~.~ Horizontal {6}
147	DF	.~.~.~.~.~ Gas bench {2}
148		.~.~.~.~.~.~ With recuperator

DEFINITION

Classification: 202/148

The system is provided with means for heating the gas and/or air for combustion by the waste products of combustion through double surface heaters.

SEE OR SEARCH THIS CLASS, SUBCLASS:

111, 122, 130, 140, and 141.

SEE OR SEARCH CLASS

110, Furnaces,

230+, for a solid fuel furnace provided with coking means.

201, Distillation: Processes, Thermolytic,

15+, for a carbonizing process including burning a product of the carbonizing step and recovering heat from a product by indirect heat exchange and subclass 37, for a process in which externally produced combustion gases are passed through the retort.