Precision instrument processing wastewater treatment dissolved air flotation machine

Precision instrument processing wastewater treatment dissolved air flotation machineIt is a device that achieves solid-liquid separation by adsorbing suspended solids with microbubbles, suitable for removing oil, colloids, and fine particles. The following is the core information:

core principle

Dissolve air under pressure using a dissolved gas tank to form dissolved water. After being depressurized by a release device, 20-50 μ m microbubbles are generated. The bubbles adhere to suspended solids and float to the water surface, which is then removed by a scraper and discharged with clean water that meets the standard. ‌

Applicable scenarios

Oil containing wastewater: such as coolant and lubricant wastewater in mechanical processing, the oil removal rate can reach over 90%. ‌

High concentration suspended solids wastewater: Treating wastewater with SS concentration up to 20000mg/L, with a removal rate of over 95%. ‌

Low temperature and low turbidity wastewater: suitable for low turbidity and high organic matter wastewater generated in precision instrument processing. ‌

Features of the equipment

Efficient and energy-saving: Unit energy consumption is 0.3-0.5 kWh/m ³, occupying only 1/3-1/2 of the sedimentation tank. ‌

Integrated design: including gas dissolution tank, release device, scraper, etc., with high degree of automation. ‌

Limitations: The process is complex and the air compressor produces significant noise. ‌

Winter maintenance points

• Check if the water pump and air compressor are frozen to ensure that the lubrication system is functioning properly. ‌

• 防止coagulantThe tank freezes and regular small sample tests are conducted.

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usePrecision instrument processing wastewater treatment dissolved air flotation machine，Oil pollution, suspended solids and other pollutants can be efficiently separated after treatment with a dissolved air flotation machine. The core processing effect is as follows:

1. Processing efficiency and capability

Suspended solids removal rate: ≥ 90% (for particles with a diameter of ≥ 10 μ m), capable of treating wastewater with SS concentrations up to 5000-20000mg/L, far exceeding traditional air flotation machines (about 1000mg/L).

Light impurity treatment: The efficiency of treating light impurities such as oil and emulsion is 3-5 times higher than that of precipitation method, and the traditional precipitation task can be completed in 1-2 hours within 30 minutes.

2. Technical advantages

Microbubble adsorption: Release microbubbles with a diameter of 1-100 μ m, and use the "life jacket effect" to make impurities float up, with a dissolved gas utilization rate of nearly 100%.

Automation control: The PLC system automatically adjusts the dissolved air pressure and sludge discharge frequency to ensure stable operation.

3. Applicable scenarios

Characteristics of precision instrument wastewater: containing emulsified oil, metal debris, etc., which can be effectively removed by an air flotation machine.

Compared to traditional methods: occupying only one-third to one-half of the sedimentation tank area, it is suitable for factories with limited space.