Introduction to sewage treatment equipment

Sewage treatment equipment is an efficient device that integrates multi-functional treatment units such as anoxic tank, anaerobic tank, aerobic tank, sedimentation tank, sludge tank and disinfection tank. This type of equipment is especially suitable for residential areas, small and medium-sized enterprises or rural areas, and its design purpose is to effectively purify domestic wastewater and protect the environment. Through a series of steps such as pretreatment, biodegradation, precipitation separation and disinfection, the equipment can completely remove suspended matter, organic matter and pathogenic microorganisms in the sewage to ensure that the treated water meets the environmental discharge standards.

Sewage treatment equipment composition

Sewage treatment equipment is composed of a number of key components and treatment units, including grid control cell unit, A2O unit, BAF unit and UV disinfection unit. Among them, the grid regulating tank is responsible for the initial filtration and water quality balance; The A2O unit contains different types of biological reaction ponds to degrade pollutants; BAF units further filter water quality; The UV disinfection unit ensures the ultimate bactericidal effect. In addition, the system may also include air floats, centrifuges, aerators and other equipment, as well as various reactors and dosing systems, to complete the comprehensive treatment of sewage.

Characteristics of sewage treatment equipment

The characteristics of sewage treatment equipment mainly include:
1. Small size, wide range of adaptation, strong load impact resistance, can maintain stable treatment effect, avoid sludge swelling problem.
2. New materials are used to enhance the efficiency of microbial attachment and shedding, improve the solubility of oxygen in water, and thus improve the removal rate of organic matter.
3. Equipped with automatic control system and fault alarm mechanism to ensure safe operation and simple maintenance of equipment.
4. The structure design is flexible and can be installed on the ground or buried underground. The buried type helps to save space and carry out ground greening.

Sewage treatment equipment is an important tool of modern environmental governance, which not only ensures the effective purification and reuse of water resources, but also optimizes the living environment, which is of great significance to promote sustainable development.

The sewage treatment plant (STP) uses the "A2O+BAF+UV+sterilization" process.

The A2O process, which stands the English stands for anameric anoxic oxic, is done to destroy nitrogen and destroy phosphate by the use of hydrophilic creatures-oxygen-deficient. In the A2O, BOD5, SS and nitrogen and phosphate process in various forms will be removed one by one. In the hydrophobicity and oxygen shortage segments, the plant system is mainly composed of nitrifying bacteria and polyphospourus, and in the iceelement, the phytochemicals are mainly composed of nitrifying bacteria and polyphosporus.

BAF means aerated biological filter tank is the biofilm treatment process that coexist with solid three-phase, liquid and gas, belongs to the technology of sewage biotreatment combined with oxidation and contact purification, Its core technology is the application of foam purification material and the use it as a biological carrier for waste water treatment. A cloth water system set on the top of the BAF tank, it can evenly distributes waste water to the surface of filtration materials, so that drip water can be fully contact with oxygen. Micro-creatures on the surface of the filter material by deforming-and then re-sticking, finally formed a stable biological membrane, will not proceed with an explanation. Because of the pant and oxygen shortage caused in the membrane, there is high operation, the softener can successfully remove the contaminants once it melts through the biological membrane.

Ultraviolet sterilization is through ultraviolet light radiation, destroy and change the DNA structure of the bacteria (deoxyride acid), make bacteria die immediately or unable to produce children, in order to achieve the purpose of germicidal bacteria.

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