Water into the sewage treatment plant, after grating, sand, primary sedimentation and other primary treatment units and aeration tanks, two sedimentation tanks and other secondary biological treatment units, after the treatment of supernatant discharged from the two sedimentation tanks. Commonly used special process equipment for sewage treatment is shown in Table 7-1.
Process unit
Treatment building
Treatment equipment
Supporting equipment
Name
Model
Classes
Name
Barrier
Pollution
Grizzly
Coarse Grizzly
Fine Grizzly
Grizzly Desludger
Curved Grizzly Desludger, High Chain Grizzly Desludger, Rotary Grizzly Desludger, Wire Rope Grizzly Desludger, Vertical Grizzly Desludger, Climbing Grizzly Desludger, Stepped Grizzly Desludger, Cylinder Grizzly Desludger, Mobile Grizzly Desludger
Belt Conveyor, Screw Conveyor, Screw Conveyor, Mobile Grizzly Desludger
Grizzly Desludger
Grizzly Desludger p> Belt conveyor, screw conveyor, screw press, hydraulic press, crusher, baler, etc.
Strainer room
Positive water intake
Side water intake
Rotary screen
Rotary brush net castor type cleaner
Sedimentation
Sand
Plain sand sedimentation tank
Cyclone sand sedimentation tank
Aeration sand sedimentation tank
Rectangular
Square
Circular
Sand suction machine
Traveling air lift sand suction machine, traveling pump suction de-sanding machine, cyclone de-sanding machine
Sand-water separator and other sand washing devices
Sand scraper
Chain plate scraper, bucket scraper, traveling car scraper, sand scraper, sand scraper, sand scraper, sand scraper, sand scraper, sand scraper, sand scraper, sand scraper, sand scraper, sand scraper, sand scraper, sand scraper, sand scraper, sand scraper, sand scraper, sand scraper, sand scraper, sand scraper, sand scraper
Chain plate scraper, chain bucket scraper, rake scraper, suspended center drive scraper
Sedimentation
Sedimentation
Primary sedimentation tank
Advection
Advection scraper
Carriage scraper, chain scraper
Radial flow
Radial flow scraper
Center drive scraper, peripheral drive scraper, sand separator and other sand washing devices
Sand separators Center drive scraper, peripheral drive scraper, square pool pool sweeping angle scraper
Secondary sedimentation tank
Advection
Advection suction machine
Pump suction truck suction machine, siphon truck suction machine
Screw pumps, submersible pumps, air lifting pumps, and other sludge reflux equipment
Advection scraper
Carriage scraper, chain plate scraper
Central flow scraper, chain plate scraper
Central flow scraper, chain plate scraper, chain plate scraper
Advection scraper, chain plate scraper, chain plate scraper
Advection scraper Plate scraper
Spoiler
Spoke flow type
Spoke flow suction machine
Siphon center drive suction machine, pump suction center drive suction machine, water level difference type center drive suction machine, siphon peripheral drive suction machine, pump suction peripheral drive suction machine, water level difference type peripheral drive suction machine
Spoiler
Spoke flow scraper
Center drive scraper, peripheral drive scraper
Center drive scraper, peripheral drive scraper
Bio
Substance
Disposal
Aeration Tank
Blower Aeration
Microporous Aerator
Disk Aerator, Bell and Shroud Aerator, Flat Plate Aerator, Tube Aerator, Hose Aerator, Membrane Aerator
Air Cleaning and Dedusting Device
Hole aerator
Fixed spiral air aerator, inverted umbrella aerator, jet aerator, diffusion aerator, "Jinshan" type aerator, perforated aeration tube
Surface aeration
Vertical table aerator
Pump-type impeller table aerator, K-type impeller table aerator, inverted umbrella impeller table aerator, flat plate impeller table aerator
High and low-speed motors
Horizontal table aerator
Rotary brush aerator, rotary disk aerator
Underwater aeration
Underwater aerators
Pump-type self-absorption aeration, air supply underwater impeller aerators, self-absorption jet aerators, air supply type jet Aerator
Anti-electricity leakage, oil leakage and other protection systems
Underwater mixing
Underwater mixer
Underwater propulsion, submersible mixer
Oxidation ditch
Surface aeration
Vertical table aeration
Pump-type impeller table aerators, K-type impeller table aerators, inverted umbrella-type impeller table aerators, flat-type Impeller table aerator
High and low-speed motor
Horizontal table aerator
Turning brush aerator, turntable aerator
SBR reactor
Rectangular
Circular
Decanter
Siphon decanter, float decanter, sleeve decanter, rotating decanter
Automatic control system