Reeling waste water deep treating method and apparatus
A technology for the advanced treatment of silk reeling wastewater, which is applied in the fields of water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., and can solve the problem of high frequency of backwashing (generally need backwashing once a day, operation Troublesome management, short working cycle, etc., to achieve the effect of improving treatment efficiency, large pollutant holding capacity, and prolonging service life
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[0038] Embodiment 1: a method for advanced treatment of silk reeling wastewater, comprising the following steps:
[0039] A. The silk reeling wastewater first passes through the grid well 1 to remove the floating objects, and then enters the anaerobic tank 2. Wood bran charcoal is put into the anaerobic tank. The wood bran charcoal can be added continuously or intermittently. The amount of wood bran charcoal input For: 1m 3 The silk reeling wastewater is put into 0.05-5kg wood bran charcoal, and the wastewater enters the anaerobic tank 2 to remove nitrate nitrogen and degrade part of the COD under the action of anaerobic bacteria.
[0040] B. The effluent from the anaerobic tank enters the aerobic contact oxidation tank 3. The aerobic contact oxidation tank is filled with wood bran charcoal. The wood bran charcoal can be added continuously or intermittently. The input amount of the wood bran charcoal is: 1m 3 The silk reeling wastewater is put into 0.05-5kg wood bran charcoal...
Example Embodiment
[0050] Embodiment 2: An advanced treatment device for silk reeling wastewater, comprising grid well 1, anaerobic tank 2, aerobic contact oxidation tank 3, sedimentation tank 4, anaerobic filter 7, and multifunctional biological activated carbon tower 8 connected in sequence and the clear water tank 11, the bottom of the sedimentation tank 4 is communicated with the sludge disposal and discharge system 16 or the anaerobic tank or / and the aerobic contact oxidation tank through the sludge pump 15, and the sedimentation tank 4 is connected with the anaerobic contact oxidation tank through the lifting water pump 6. The oxygen filter 7 is in communication, and the aerobic contact oxidation tank and the multifunctional biological activated carbon tower are provided with an aeration air distribution pipe that supplies oxygen through a blower 5 .
[0051] The anaerobic filter 7 includes a shell and a water collecting tank 71, a filter head 72 and a filter material 73 sequentially arrang...
Example Embodiment
[0063]Experimental example: a silk reeling enterprise with a scale of 20 groups, the daily reeling recycling water consumption is 2100 tons, according to the advanced treatment method and device for silk reeling wastewater treatment of the present invention, the recycling project is constructed, the operating capacity is 41KW, and the daily operation is 17 hour, the electricity price is set at 0.6 yuan / KW.h, and the operating electricity cost per ton of water is only 0.18 yuan. The water quality before and after treatment is as follows:
[0064]
[0065] The treated water is clear and transparent, which can fully meet the needs of silk reeling.
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