A DEVICE FOR MEASURING DISSOLVED OXYGEN THICKNESS OF WASTE WATER

摘要

The subject innovation is the waste water to measure the dissolved oxygen concentration of the waste water (6) in through the concentration detecting sensor 22 of, more particularly, the dissolved oxygen concentration measuring rod (21) on the dissolved oxygen concentration measuring device for waste water aeration tank 20 according to the dissolved oxygen concentration measuring device, combined and coupled for rotation about the pin (8), wherein the dissolved oxygen concentration measuring rod 21 to the upper end of the support bar 11 is fixed to the upper side of the aeration tank 20 is which fixedly clamps the fitting (1) and; A retaining ring (7-1) of said oxygen concentration measuring rod (21) hanging by the connecting ropes (5), the float (2) on its upper and lower side where the air vent 10 and the discharge port 9 and the installation; Time in the float valve (2) connected to the washing water to supply the washing water supply line 13 as the opening and closing by 4 and; While fixed by a retaining ring (7-2,7-3) in the dissolved oxygen concentration measuring rod 21 toward the concentration detecting sensor 22 through the injection nozzle (3) for the washing water of the float (2) relates to a washing water discharge line 14, the dissolved oxygen concentration measuring device for the waste water, characterized in that consisting of which is installed so as to inject.