Biochemical oxygen demand bod on-line measuring instrument and its detection method
A biochemical oxygen demand and measuring instrument technology, applied in the direction of material electrochemical variables, etc., can solve the problems of frequent calibration of equipment, limited measurement range, and inability to realize continuous online monitoring of BOD, and achieve the effect of improving the efficiency of environmental monitoring
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[0023] refer to figure 1 , Sewage pump 5 of the biochemical oxygen demand online measuring instrument is connected to conduit 1, dilution water pump 6 is connected to conduit 2, air pump 4 is connected to conduit 3, buffer pump 8 is connected to conduit 4 7, conduits 1, 2, 3, and 4 Connect the aeration tank 9, the water pump 10 is installed on the sampling pipe that the aeration tank 9 communicates with the reactor 13, the reactor 13 is connected with the controller 17 by a wire, the dissolved oxygen electrode 11 is installed on the wire, the sampling pipe 18 of the reactor 13, Dissolved oxygen electrode one 11 and dissolved oxygen electrode two 16 are installed on the sample pipe 15, and the controller is connected to the sewage pump 5 and the dilution water pump 6. A porous ceramic 14 for immobilizing microorganisms is placed in the reactor, and a magnetic stirrer 12 is placed below. Reactor 9 is directly wrapped by water bath, oil bath or heating material.
[0024] Reacto...
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