Residential Areas Domestic Sewage Equipment Industrial Parks Factories
Equipment Name:
Domestic sewage recycling system
Background:
With the development of countries' economies and the continuous improvement of living standards, the environmental pollution caused by domestic sewage is becoming more and more serious. At present, there is an imbalance in the utilization of water resources in various places, and the discharge of domestic sewage is increasing. Therefore, the treatment and recycling of domestic sewage becomes more important. .
Applied occasions:
Production and living areas such as urban residential areas, schools, industrial parks, factories, etc.
Domestic sewage process flow chart:
Process Description:
The sewage treatment is carried out by the process of "hydrolysis acidification + contact oxidation + precipitation + filtration + disinfection", and the treated sewage is discharged after being disinfected by "chlorine dioxide disinfection".
The sewage first uses a grid to remove large impurities and floating objects, and then adjusts to the integrated sewage treatment equipment. In the integrated sewage treatment equipment, the sewage is discharged into the hydrolysis acidification tank and the contact oxidation tank in sequence, and biochemical.
The treated sewage is precipitated by the sedimentation tank and then flows into the intermediate tank and then enters the filter tank for filtration treatment. After being disinfected by chlorine dioxide in the disinfection tank, it is recycled.
Installation site picture:
Domestic sewage equipment advantages
The removal of organic pollutants and ammonia nitrogen from domestic sewage treatment equipment mainly depends on the AO biological treatment process in the equipment. The working principle is in grade A. Because the concentration of organic matter in sewage is high, the microorganisms are in anoxic state.
At this time, the microorganisms are facultative microorganisms. Therefore, the A-stage pool not only has a certain organic matter removal function, but also reduces the organic load of the subsequent aerobic tank. The concentration of organic matter is reduced, but a certain amount of organic matter and higher NH3-N are still present. In order to further oxidize and decompose the organic matter, and at the same time, the nitrification can proceed smoothly under carbonization, and an aerobic biological contact oxidation tank with a lower organic load is disposed in the O stage.
There are mainly aerobic microorganisms and self-oxidizing bacteria (nitrifying bacteria) in the O-class pool. Among them, aerobic microorganisms decompose organic matter into CO2 and H2O; autotrophic bacteria (nitrifying bacteria) use inorganic carbon produced by decomposition of organic matter or CO2 in the air as a nutrient source to convert NH3-N in sewage into NO-2-N.
The effluent part of the NO-3-N, O-stage pool is returned to the A-stage pool to provide an electron acceptor for the A-stage tank, and the nitrogen pollution is finally eliminated by denitrification.
Supply (cooperation) mode and delivery cycle
1: Determine the usage scenario.
2: Analyze the quality of contaminated water (if necessary, do laboratory analysis)
3: Determine the treatment process.
4: The supplier forecasts the price duration and governance objectives of the equipment or system.
5: The supplier and the buyer negotiate the price duration and the governance objectives, negotiate the contract, and sign the contract and pay the supplier prepayment.
6: After the equipment is produced and paid by the buyer and its agent, the payment will be made.
7: The supplier rushed to the place of use of the buyer for installation instructions and commissioning.
8: System training for equipment use and maintenance.
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