Biological drum wastewater treatment device and process
A waste water treatment and rotary drum technology, applied in biological water/sewage treatment, sustainable biological treatment, water/sewage multi-stage treatment, etc., can solve the problem of low biofilm renewal rate, low biodegradation efficiency, slow biofilm renewal, etc. Problems, to achieve the effect of great practical value and promotion prospect, convenient operation and controllable process
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Embodiment 1
[0032] Such as Figure 1-6 As shown, a biological drum wastewater treatment device includes a reaction tank 12, a drum 1 arranged in the reaction tank 1, a water inlet 13 and a water outlet 15 respectively arranged at both ends of the reaction tank 12, and a DO arranged in the reaction tank. Monitoring probe 30;
[0033] The rotating drum 1 is provided with biological fillers 11, the two ends of the rotating shaft 9 of the rotating drum 1 pass through the wall of the reaction cell, and one end is connected with the output shaft of the speed regulating motor 16, and the rotating drum wall 2 of the rotating drum is arranged There is a filling port 4 and a cover 5 matched with the filling port. The inner wall of the drum wall 2 is welded with a stirring baffle 8, the drum wall 2 is evenly provided with openings, and both ends of the drum 1 are provided with blinds. Board 3
[0034] The water outlet 15 is provided with a liquid level controller 14;
[0035] The DO monitoring probe 30 i...
Embodiment 2
[0044] Such as Figure 1-6 As shown, a process for wastewater treatment using the biological drum wastewater treatment device in Example 1 is as follows:
[0045] Step 1) Primary treatment of sewage: the sewage enters the septic tank 18 through the inlet pipe 26 for precipitation, the supernatant part enters the grille adjustment tank 19, and then enters the grille adjustment tank 19 to adjust the water quality and quantity , Get the primary treated sewage;
[0046] Step 2) Biological treatment: Step 1) The obtained primary treated sewage is measured by the flow meter 28 and enters the reaction tank 12 from the water inlet 13; the speed-regulating motor 16 is started, and the power is adjusted to control the rotation of the drum 1; through the DO monitoring probe 30 and DO The online monitor 31 monitors the dissolved oxygen concentration in the reaction tank, and the level controller 14 controls the immersion height of the drum 1 in the reaction tank 12, while controlling the rotat...
Embodiment 3
[0049] Such as Figure 1-3 with Figure 4 As shown, the device described in Example 1 adopts anoxic / aerobic (A / O) biological treatment process to treat sewage from a certain community. The process flow is as follows: sewage from a community is discharged into the septic tank 18 through the sewage inlet pipe 26 After sedimentation in the septic tank 18, it enters the grid adjustment tank 19; after the large particles are intercepted by the grid 20, it enters the grid adjustment tank 19 for water quality and quantity adjustment, and then is measured by the pump 27 through the flow meter 28. The sewage is sent to the reaction tanks 21 and 22 of the device described in Example 1 for biodegradation treatment. The first-stage reaction tank 21 and the second-stage reaction tank 22 operate in series. The biological fillers 11 in the two-stage reaction tanks 21 and 22 are all MBBR suspended fillers, and the filling rate of the filler volume is 70%; the first-stage reaction tank 21 is ope...
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