Liquid dropping device

The utility model provides a liquid dropping device, include: liquid feeding case, first dropping liquid mechanism, liquid reserve tank and control mechanism, liquid reserve tank pass through the transfer line with the liquid feeding case and link to each other, and first dropping liquid establishment of institution is in the bottom of liquid feeding case, and control mechanism includes controller, floating ball liquid level switch and pump, and the controller is connected with floating ball liquid level switch and pump difference electricity, and floating ball liquid level switch arranges the liquid feeding incasement in, and the pump is installed on the pipeline of transfer line, first dropping liquid mechanism includes first connecting pipe, first violently pipe and first longitudinal tubule (L tubule), and first connecting pipe setting is linked together at first top of violently managing and with first violently pipe, and at least one first longitudinal tubule (L tubule) setting is linked together in fir