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{"title":"High Oxygenation Efficiency Rotary Disk Aerator with Robust Propulsion and FRPP","imgUrl":"https:\/\/img.chinax.com\/nimg\/b4\/3f\/101bee4a6c6face6044bfe2f17a2-200x200-1\/high_oxygenation_efficiency_rotary_disk_aerator_with_robust_propulsion_and_frpp.jpg","attrs":{"Model Number":"ZD Series","Disk material":"Injection-molded FRPP","Delivery Time":"15","Supply Ability":"500"}}
{"title":"High Oxygen Transfer Rate Inverted Umbrella Surface Aerator with Dual-Axial","imgUrl":"https:\/\/img.chinax.com\/nimg\/d5\/7a\/d02fca3d25f5ae57428093193f3d-200x200-1\/high_oxygen_transfer_rate_inverted_umbrella_surface_aerator_with_dual_axial_thrust_device_and_optimized_impeller_for_wastewater_ba.jpg","attrs":{"Model Number":"DSB Series","Gearbox Type":"Heavy-duty vertical parallel-shaft","Delivery Time":"15","Supply Ability":"500"}}
{"title":"High Efficiency Submersible Centrifugal Aerator for Wastewater Treatment with No","imgUrl":"https:\/\/img.chinax.com\/nimg\/59\/ef\/4df54f937c80ad424cd4fa2c7e08-200x200-1\/high_efficiency_submersible_centrifugal_aerator_for_wastewater_treatment_with_no_dead_zones_and_durable_design.jpg","attrs":{"Model Number":"QXB Series","No Dead Zones":"Horizontal aerated flow scours the tank bottom entirely, eliminating blind spots","Delivery Time":"15","Supply Ability":"500"}}
{"title":"Submersible Jet Aerator for Wastewater Treatment with High Oxygen Transfer Rate","imgUrl":"https:\/\/img.chinax.com\/nimg\/c6\/89\/60a1fb69cf8225ba2bf9fcf3bfcd-200x200-1\/submersible_jet_aerator_for_wastewater_treatment_with_high_oxygen_transfer_rate_and_automated_control_to_prevent_sludge_settling.jpg","attrs":{"Model Number":"QSB Series","pH Range":"5 -9","Brand Name":"Lanjiang","Max Temperature":"40\u00b0C"}}
{"title":"Stainless Steel Plug-Flow Mixing Aerator with 3-in-1 Versatility and Direct","imgUrl":"https:\/\/img.chinax.com\/nimg\/2c\/3a\/a25f0380c3565c1b0183920a0f57-200x200-1\/stainless_steel_plug_flow_mixing_aerator_with_3_in_1_versatility_and_direct_drive_efficiency_for_industrial_wastewater_treatment.jpg","attrs":{"Model Number":"TBQJ Series","Water temperature":"0\u00b0C-45\u00b0C","Delivery Time":"15","Supply Ability":"500"}}
{"title":"High Oxygen Transfer Rate Submersible Aerator for 20m Depth Operation with Dual","imgUrl":"https:\/\/img.chinax.com\/nimg\/e2\/fe\/fd5edcd49dbe760ab7f9fb7342ce-200x200-1\/high_oxygen_transfer_rate_submersible_aerator_for_20m_depth_operation_with_dual_speed_aeration_and_mixing.jpg","attrs":{"Model Number":"SBJ Series","Oxygen transfer":"High rate","Delivery Time":"15","Supply Ability":"500"}}
{"title":"QXB5.5 \u2013 5.5 kW Submersible Centrifugal Aerator with 85 m\u00b3\/h Air Flow and IP68","imgUrl":"https:\/\/img.chinax.com\/nimg\/fd\/08\/a42030d919b3fcec22ce1e05ce07-200x200-1\/qxb5_5_e2_80_93_5_5_kw_submersible_centrifugal_aerator_with_85_m_c2_b3_2fh_air_flow_and_ip68_motor_for_wastewater_treatment.jpg","attrs":{"Model Number":"QXB 5.5","Aeration capacity":"5.3 kgO\u2082\/h","Place of Origin":"China","Power":"5.5 kW"}}
High Oxygenation Efficiency Sewage Surface Disk Aerator with Robust Propulsion
Product Overview
As a key horizontal-axis surface aerator for oxidation ditches, the rotary disk aerator provides efficient oxygenation, robust propulsion, and prevents sludge settling, ensuring thorough mixing for biochemical processes. Key advantages include deep working depths, high power and oxygenation efficiency, excellent corrosion resistance, long lifespan, flexible assembly, and low operating and maintenance costs.
Working Principle
Comprising a drive unit, flexible coupling, main shaft, disks, and bearing housings, the aerator operates by rotating the disks via a motor and gear reducer. The spinning disks and their blind-hole structures create water curtains and entrain large volumes of air for thorough mixing and efficient oxygenation. Meanwhile, the rotation strongly propels the wastewater forward in the oxidation ditch, keeping the activated sludge perfectly suspended.
Product Features
Compact Layout: Small footprint for flexible process integration
Durable Material: Injection-molded FRPP disks offer high strength and outstanding corrosion resistance
Optimized Hydraulics: Specially designed disk protrusions maximize gas-liquid contact. Delivers >10% higher oxygenation capacity than domestic peers and excellent propulsion. Maximum working depth: ~5 meters
Structural Components
Drive Unit: Includes motor (single/dual/VFD) and gear reducer. The vertical configuration uses a spiral bevel-cylindrical reducer for a compact footprint and superior motor protection against water mist.
Flexible Coupling: Available in flexible pin or rubber contact types; designed to absorb vibration and compensate for angular misalignment.
Main Shaft: Built from heavy-wall seamless steel pipe with FRP thermoset molding or heavy-duty anti-corrosion spray (Zinc/SS). It is lightweight, high-strength, and durable.
Aerator Disks: Injection-molded from high-strength FRPP. The disk surface integrates four functional structures:
Teeth: Provide propulsion for water flow
Water-splashing Lobes: Maximize air-water contact and oxygen saturation
Oxygen-storage Grooves: Entrain and shear air bubbles for deep emulsification
Centrifugal Channels: Eject "dead water" via centrifugal force for continuous oxidation
Expandable Capacity: Feature a split-type (two-half) design with a locking device for easy on-site installation and capacity expansion.
Bearing Housing: Supports total operational load while compensating for the shaft's thermal expansion and contraction.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2001
Total Annual:
40000000-70000000
Employee Number:
80~100
Ecer Certification:
Verified Supplier
Nanjing Lanjiang is a professional manufacturer integrating the design, research and development, production, and sales of wastewater treatment equipment. The company is located at No.18 Xinyu Road, Hengliang Street, Liuhe District, in the northern suburbs of Nanjing (adjacent to the Ningtong Expres... Nanjing Lanjiang is a professional manufacturer integrating the design, research and development, production, and sales of wastewater treatment equipment. The company is located at No.18 Xinyu Road, Hengliang Street, Liuhe District, in the northern suburbs of Nanjing (adjacent to the Ningtong Expres...