Wastewater purification device for kitchen waste treatment and method thereof
A technology for wastewater purification and kitchen waste, applied in chemical instruments and methods, sedimentation treatment, special treatment targets, etc., can solve the problems of increasing the sewage load of the pipe network, and achieve the effect of improving efficiency, comprehensive process and good purification effect.
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Embodiment 1
[0028] see figure 1 , the invention discloses a waste water purification device for kitchen waste treatment, comprising a primary settling tank, a collection bucket, a three-stage oil-water separation tank, a regulating tank, an anaerobic tank, an aerobic tank, a secondary settling tank and a sterilization and disinfection unit ,in,
[0029] The primary settling tank is connected with the collection barrel and the third-stage oil-water separation tank respectively, and the primary settling tank outputs floating oil to the collection barrel, and oil-water output to the third-stage oil-water separation tank; the third-stage oil-water separation tank outputs separated oil to the collection barrel. oil, and output the separated sewage to the adjustment tank; the adjustment tank, anaerobic tank, aerobic tank, secondary settling tank and sterilization and disinfection department are connected in sequence to degrade the sewage, remove organic matter and sterilize and disinfect, and t...
Embodiment 2
[0032] It also includes a composter, which is respectively connected with the primary settling tank, the tertiary oil-water separation tank and the secondary settling tank. And a screw extruder is set between the primary settling tank and the compost machine to separate, squeeze and stir the coarse slag output from the primary settling tank; or a plate and frame filter press is set between the primary settling tank and the compost machine to The coarse slag output from the tank is separated, squeezed and stirred. The settled sediment and sludge are collected and utilized as resources for aerobic composting and converted into organic fertilizer raw materials
Embodiment 3
[0034] In the three-stage oil-water separation tank, the oil and water are further separated from oil and water to realize the comprehensive separation of oil, water and slag. The floating oil part can be equipped with an automatic oil skimming device, and the skimmed oil is automatically collected. A water pump is set between the regulating tank and the anaerobic tank to regulate the water volume.
[0035] The dissolved oxygen in the anaerobic pool is less than 0.2mg / L; the dissolved oxygen in the aerobic pool is greater than or equal to 2mg / L. The anaerobic pool is conducive to the reproduction of the anaerobic microbial community, and the effective degradation of COD and ammonia nitrogen in the wastewater. The degraded The range of COD and ammonia nitrogen needs to be determined according to the quality of the influent water. The degradation rate of COD and ammonia nitrogen can reach 90%. After the anaerobic tank, the sewage reaches the aerobic tank. Under aerobic conditions...
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