Method and system for generating energy during the expansion of natural process gas

The present invention relates to a method for generating energy during the expansion of natural process gas (P) prior to the supply of said natural gas to an acetylene production plant (H), which method comprises the method steps: a) supplying the natural process gas (P) from a natural process gas s...

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Bibliographische Detailangaben
Hauptverfasser:	BROSTEAN THOMAS, HAIDER MIRKO
Format:	Patent
Sprache:	eng
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING PIPE-LINE SYSTEMS PIPE-LINES STORING OF DISTRIBUTING GASES OR LIQUIDS SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF WEAPONS
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Beschreibung
Zusammenfassung:	The present invention relates to a method for generating energy during the expansion of natural process gas (P) prior to the supply of said natural gas to an acetylene production plant (H), which method comprises the method steps: a) supplying the natural process gas (P) from a natural process gas supply line at a temperature of -10 DEG C and 50 DEG C and a pressure of 30 bar to 70 bar to a first heating stage (WT1) and heating the natural process gas (P) in the first heating stage (WT1) to a temperature of 20 DEG C to 40 DEG C, b) supplying the natural process gas (P) heated in the first heating stage (WT1) to a second heating stage (WT2) and heating the natural process gas (P) in the second heating stage (WT2) to a temperature of 70 DEG C to 140 DEG C, and c) supplying the natural process gas (P) heated in the second heating stage (WT2) to an expansion device (E) and expanding the natural process gas (P) in the expansion device (E) to a pressure of 2 bar to 8 bar, the expansion device (E) being a reciprocating expansion machine that is operated by the expansion of the natural process gas (P) and generates energy. The invention further relates to a system for generating energy during the expansion of natural process gas (P), which is characterized in that the expansion device (E) is a reciprocating expansion machine.