A liquid transfer pump used in a biological reaction device, a biological reaction device equipped with this liquid transfer pump, and a biological reaction method using this biological reaction device.

摘要

PROBLEM TO BE SOLVED: To provide a liquid feeding pump used in a biological reaction device, which has a large amount of liquid feeding and can sufficiently, economically and efficiently prevent contamination, a biological reaction device provided with the liquid feeding pump, and a biological reaction device provided with the liquid feeding pump. Provision of a biological reaction method using this biological reaction device. SOLUTION: A rotary shaft 10 for rotationally driving, a liquid feeding means attached to the rotary shaft, and a mechanical seal portion for sealing the rotary shaft are provided, and ozone water or ozone gas fine bubbles are contained as the seal water E of the mechanical seal portion. A liquid feed pump that uses water. [Selection diagram] Fig. 3