Technical parameters
| parameter item | Technical specifications and specifications |
|---|---|
| processing power | 5M ³/h~ 300m ³/h (support multiple combination expansion) |
| SS (suspended solids) removal rate | 85%~95% |
| Petroleum/animal and vegetable oil removal rate | 90%~98% |
| Dissolution Pressure/Dissolution Efficiency | 0.3MPa ~ 0.5MPa / ≥90% |
| microbubble diameter | 10~30μm |
| Box material | Carbon steel (heavy anti-corrosion epoxy resin/plastic lining), SS304/SS316L stainless steel |
| Control method | Manual control/Siemens PLC automatic control (including liquid level linkage and automatic slag discharge) |
core advantage
Efficient solid-liquid separation, SS removal rate up to 95% +Microbubble generation technology generates extremely small bubbles with a diameter of 10 to 30 μm, which quickly wrap and float tiny suspended solids and grease.
Small footprint and high hydraulic loadThe surface load can reach 6-10m ³/(m2 · h), and the treatment efficiency is 3-5 times that of the traditional sedimentation tank, which greatly saves site occupation.
The slag water is completely separated and the effluent is clearAdopt chain plate scraping machine or rotary scraping system, the water content of the dross is low (can be reduced to less than 95%), which is convenient for subsequent sludge dehydration treatment.
Strong impact load resistance, fully automatic operationEquipped with anti-clogging dissolved air release device and PLC intelligent control cabinet, the dissolved air efficiency is as high as 90%+It can be started with one click and run continuously and stably.
Working principle and process flow
The air flotation machine uses the tiny bubbles generated by "dissolved air release" to adhere to the suspended particles and oil stains in the water, forming a complex with a specific gravity less than water and quickly floating to the water surface:
Process diagram:raw water + flocculant → mixed reaction area (to form micro-floc) → air flotation separation area (micro-bubbles adhere and float up) → clean water area → water outlet/follow-up treatment (the slag scraper removes the surface dross and puts it into the slag tank)
Dissolved gas preparationThe recycled water (20% to 30%) is fully mixed with the compressed air at high pressure in the dissolved air tank to form high-pressure dissolved air water.
microbubble releaseThe high-pressure dissolved air water is instantly decompressed through a special release device, releasing a large number of dense micro-bubbles.
Adhesive floating: The micro-bubbles combine with the suspended particles and emulsified oil that have been flocculated in the influent, and quickly float to the surface to form dross.
Scraper and effluentThe scraping machine scrapes the surface dross into the slag tank, and the lower layer of clean water is collected through the collection pipe and discharged to the standard.
Core configuration and material selection
Dissolved air system: High-pressure dissolved air tank/high-efficiency noise-free dissolved air pump, equipped with high-efficiency anti-clogging 304/316L stainless steel dissolved air released device.
Slag scraping deviceSlag scraping machine equipped with cycloid pin gear reducer and corrosion-resistant scraper, smooth progress, thorough slag scraping.
reaction tankIntegrated flap or pipe mixing reaction zone to ensure that the drug (PAC/PAM) fully reacts with the raw water.
Collecting water pipe and regulating weir: Adjustable outlet damper, precise control of air flotation tank liquid level and dross thickness.
Typical application scenarios
Oily wastewater treatmentOil field produced water, refinery, machining and cutting fluid, kitchen and slaughterhouse oily wastewater.
High suspended solids/low specific gravity industrial wastewater: Papermaking white water recovery fiber, printing and dyeing/textile wastewater, electroplating heavy metal sediment separation.
Municipal and industrial wastewater pretreatmentAs a pretreatment for the biochemical system (AO/MBR), the BOD/COD/SS load is greatly reduced.
Algae and Eutrophication Water TreatmentRapid clarification and algae removal of algae-containing water sources such as lakes and reservoirs.
Engineering and after-sales services
Customized selection designFree water quality air flotation test evaluation, CAD system layout and process test guidance.
Factory integrationPipeline pressure test, dissolved gas efficiency test and slag scraping operation debugging are completed before the equipment leaves the factory to ensure plug and play on site.
