Ceramic heat exchanger

The present invention relates to a ceramic heat exchanger manufactured from an oxide material that is highly refractory and highly stable in a wide range of oxygen partial pressures and in the presence of certain gases and which is capable of operating at temperatures ranging from below 400 to well...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	JULSRUD STEIN, VIGELAND BENT ERLEND
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE BLASTING CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION HEAT EXCHANGE IN GENERAL HEATING LIGHTING LIME, MAGNESIA MECHANICAL ENGINEERING METALLURGY REFRACTORIES SLAG TREATMENT OF NATURAL STONE WEAPONS
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Beschreibung
Zusammenfassung:	The present invention relates to a ceramic heat exchanger manufactured from an oxide material that is highly refractory and highly stable in a wide range of oxygen partial pressures and in the presence of certain gases and which is capable of operating at temperatures ranging from below 400 to well above 1300° C. for a prolonged period of time. The oxide material is represented by the formula: A1-xBxO(3+x+z)/2 where A is selected from the group consisting of La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y, and mixtures thereof, B represents Zr, Ti or Hf or mixtures thereof, x is greater than or equal to zero and less than or equal to one, and z is a number that renders the compound charge neutral and is greater than about -0.1 and less than about 0.2.