Title:
【発明の名称】曝気装置
Document Type and Number:
Japanese Patent JP3096504
Kind Code:
B2
Abstract:
PURPOSE:To perform stirring aeration up to a deep water area by together providing an aeration screw and a stirring screw. CONSTITUTION:A liquid is stirred by revolving the screw 3 provided to the leading end of the hollow shaft 2 driven by a motor 1. Air is sucked by utilizing the negative pressure generated in a water area by the stirring of the liquid to be supplied into the liquid to aerate the liquid. The stirring shaft 4 driven by the motor shaft or the aeration hollow shaft 2 through a power transmission mechanism is provided. The stirring shaft 4 is made longer than the hollow shaft 2 and a stirring screw 6 is provided to the lower end of the stirring shaft 4 to increase the arrival depth of air bubbles and stirring depth.
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Inventors:
Koichi Mizuta
Hideaki Hamada
Hideaki Hamada
Application Number:
JP26519291A
Publication Date:
October 10, 2000
Filing Date:
September 17, 1991
Export Citation:
Assignee:
Hitachi Kiden Kogyo Co., Ltd.
International Classes:
C02F3/20; C02F3/22; (IPC1-7): C02F3/20; C02F3/22
Domestic Patent References:
| JP60222193A |
Attorney, Agent or Firm:
Osamu Mori (1 outside)