| 摘要 |
The present invention provides a regenerative heat exchange system which performs heat exchange by alternately passing combustion exhaust gas as hightemperature fluid and combustion air as low-temperature fluid through a fixed regenerator, and a regenerative burner which carries out combustion using preheated air having a high temperature which is obtained by the regenerative heat exchange system. The regenerative heat exchange system comprises: a permeable regenerator 1 partitioned into three or more chambers in the circumferential direction; double-pipe outlet/inlet means 6 partitioned into a supply chamber 6a and an exhaust chamber 6b: and changeover means 3 which isolates the regenerator 1 from the outlet/inlet means 6, and by which the regenerator 1 selectively communicates with the outlet/inlet means 6 by a supply communicating hole 5 and an exhaust communicating hole 4 which are provided with such a positional relation that the supply communicating hole 5 and the exhaust communicating hole 4 do not simultaneously exist in any of partitioned chambers 9, 10 and 11 of the regenerator 1 and a vacant chamber 10 through which the fluid does not flow is formed to at least one position between the chamber through which the exhaust gas flows and the chamber 12 through which the air flows. Further, the regenerative burner is constituted by providing to the regenerative heat exchange system a fuel nozzle 31 piercing through the center thereof so that fuel is continuously injected while the high-temperature combustion air is injected from the regenerator around the fuel. Also, a heat exchange system in which a flowing direction of fluid does not change can be realized by providing outlet/inlet means 6 and changeover means in front of and at the rear of the regenerator 1 without using the fuel nozzle 31. |
