Sanyo Electric Co., Ltd.

Kazuya Sawakura

Kazuhiro Yoshii

Masayuki Oonou

Sumio Ikeda

Hideki Funai

Hisao Miyazaki

Daisaku Chou

A dual heat source high-temperature regenerator to solve problems involved in two types of conventional high-temperature regenerators for carrying out heating by using a dedicated burner as the heat source and by using exhaust gas supplied from outside systems as the heat source; namely, the former type has a problem of higher running costs, and the latter a problem of narrower ranges for capacity control. The dual heat source high-temperature regenerator arranges two inner shells and inside an outer shell to form combustion and exhaust gas flues, respectively. The combustion gas flue has a sideways U shape as a whole. The lower end is equipped with a burner, and the upper end connected to an exhaust duct. The exhaust gas flue,has a horizontal, straight shape as a whole. One end is provided with an exhaust gas inlet, and the other end connected to an exhaust duct. The portions where a dilute absorbent liquor collects heat easily are the vertical-stroke portion on the sideways U of the combustion gas flue and the vicinity of the end of the exhaust gas flue making the exhaust gas inlet. The vertical-stroke portion and the exhaust gas inlet are collected to the same side so that the convection current of the dilute absorbent liquor produces a smooth circulation of the liquor as shown by broken lines in the drawings.

Dual heat source high-temperature regenerator

It is an objective of the present invention to improve the response performance of absorption refrigeration machine to changes in air-conditioning load by reducing irregularity in solution concentration. A spreader 34 is provided with openings 34a having a constant diameter, and these openings are positioned or aligned in such a manner that the concentration of the openings 34a is rare on one side of the spreader but dense on the other side. The side having the rare concentration of the openings 34a is placed to the lateral wall 1a of a vessel 1 in which a solution outlet 16 is provided. The side having the dense concentration is placed to the other lateral wall 1b of the vessel 1. The spreader 34 is placed at the position where it is slightly away from the solution outlet 16 toward a front wall 1c in a vapor portion of an evaporation-separative region 19, with the bottom plate of the spreader being horizontal. The spreader 34 is provided with supply means 35, which extends parallel to and equidistant from the lateral walls 1a and 1b of the vessel 1. With this supply means, the solution which has absorbed a refrigerant at an absorber is supplied to the longitudinally central portion of the spreader.

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Gunma-ken, Japan

Kazuya Sawakura