sewage treatment system
A sewage treatment system and sewage pump technology, which is applied in the fields of water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., which can solve the requirements of unstable treatment effect, low sewage treatment system and reaction conditions. many problems, to achieve the effect of stable treatment effect, improved reaction efficiency and low operating cost
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Embodiment 1
[0028] A kind of sewage treatment system of the present invention, sewage treatment system comprises a centrifugal pump 1, a Venturi jet device 2, a 5L / min oxygen generator 3, a 30g / hour ozone generator 4, an average outside A catalytic reactor 5 with a diameter of 100mm, a heat exchanger 6, a sewage pump 7 with a flow rate of 2 cubic meters per hour, a slanted plate catalytic reaction tower 8, a packed catalytic tower 9, an aerated biological tower 10, a Water storage tank 11;
[0029] The oxygen generator 3, the ozone generator 4, the Venturi emitter 2, the catalytic reactor 5, the sewage pump 7, the heat exchanger 6, the sewage pump 7, and the centrifugal pump 1 are connected through pipelines and integrated and installed on a steel structure. In one box, the inclined plate catalytic reaction tower 8, the packed catalytic tower 9, the aerated biological tower 10 and the water storage tank 11 are integrated and installed in another box, and the two boxes are connected by pip...
Embodiment 2
[0064] The difference between Embodiment 2 and Embodiment 1 is that the sewage treatment system further includes a fan 12, and the second inlet of the aerated biological tower 10 is connected to the outlet of the fan 12 through a pipeline. The sewage pump 7 is a centrifugal sewage pump; the leachate sewage of a landfill is circulated, and the comparison of data before and after treatment is shown in Table 2.
[0065] Table 2
[0066]
[0067] It can be known from Table 2 that after 30 minutes of treatment of a landfill leachate sewage by the device, the COD of sewage chemical oxygen demand dropped from 7525mg / L to 1956mg / L, and after 2 hours of continuous treatment, the chemical oxygen demand COD dropped to 752.5mg / L , the degradation rate of COD reached 90%; the degradation rates of ammonia nitrogen, total phosphorus, and chroma were 37.6%, 55.9%, and 91.4%, respectively, after 2 hours of treatment.
Embodiment 3
[0069] The difference between embodiment 3 and embodiment 1 is that: the tail water of a sewage treatment station of an alcohol plant was subjected to a flow-through treatment experiment, and the comparison of data before and after treatment is shown in Table 3.
[0070] table 3
[0071]
[0072] It can be known from Table 3 that the tail water of a sewage treatment station of an alcohol plant is subjected to over-flow treatment through the device, and different amounts of over-flow water are introduced, and the chemical oxygen demand (COD) in the sewage is degraded to a certain extent. The smaller the inflow of sewage , due to the longer reaction time, the higher the treatment efficiency, the higher the COD degradation rate.
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