Coarse Bubble Disc Diffuser
Key Features
| Coarse Bubble Disc Diffuser | : | Product Name Coarse Bubble Disc Diffuser Brand Indian Carbon / Equivalent OEM Type Coarse Bubble Aeration Disc Diffuser Bubble Diameter 6–25 mm Airflow Rate 2–20 m³/h per diffuser (model dependent) Oxygen Transfer Efficiency 5–15% per meter submergence Operating Depth 1–5 meters Operating Temperature Up to 50°C Material of Construction High-Strength Polymer / Stainless Steel / Reinforced Plastic Membrane Type Perforated or Slotted Disc Corrosion Resistance High, suitable for chemical and wastewater exposure Mounting Manifold or Grid System Durability Resistant to fouling, abrasion, and chemical attack Service Type Continuous Duty Maintenance Periodic cleaning of membranes and inspection Applications Municipal Wastewater, Industrial Effluent, Sludge Mixing, Aquaculture, Pre-Treatment Tanks Features Uniform Bubble Distribution, Robust Construction, Low Maintenance, Energy Efficient Optional Accessories Mounting Clips, Quick-Connect Fittings, Floatation Assemblies Certifications ISO 9001 / CE Certified Country of Origin India |
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CoarseBubble Disc Diffuser —
Coarse Bubble Disc Diffusers areessential aeration devices designed to introduce air or oxygen efficiently into
wastewater and industrial water systems. These diffusers generate relatively
large air bubbles, ensuring effective mixing, oxygenation, and suspension of
solids in the tank. With robust construction and energy-efficient operation,
coarse bubble disc diffusers are widely used in municipal wastewater treatment
plants, industrial effluent systems, and aquaculture, providing reliable
performance and long service life.
Working Principle
Coarse Bubble Disc Diffusers operate bydispersing compressed air from a blower or compressor through a perforated or
slotted membrane into the liquid. The diffuser emits coarse bubbles, typically
ranging from 6–25 mm in diameter. As these bubbles rise through the liquid,
they transfer oxygen while creating turbulence that ensures effective mixing of
solids and liquids.
Unlike fine bubble diffusers, which
focus on maximizing oxygen transfer efficiency, coarse bubble diffusers excel
in applications requiring high-energy mixing, agitation, or oxygen distribution
over large volumes of liquid. They are particularly suited for tanks with high
solids concentration or short hydraulic retention times.
Design and Construction
Coarse Bubble Disc Diffusers are builtfor durability and reliable performance in harsh wastewater and industrial
environments. They typically consist of a rigid disc or plate made from
corrosion-resistant materials such as high-strength polymers, stainless steel,
or reinforced plastics. The membrane or perforated disc allows air to pass
through while maintaining resistance to clogging and wear.
Key design features include:
·
Rigid Disc Base: Provides structural stability
under high airflow and pressure conditions.
·
Perforated or Slotted Membrane: Ensures
consistent bubble formation and prevents clogging.
·
Flexible or Elastic Materials: Enable
easy installation and maintenance while resisting wear and tear.
·
Corrosion-Resistant Materials: Suitable
for chemical-laden or aggressive wastewater environments.
·
Uniform Bubble Distribution: Optimizes oxygen transfer
and promotes thorough mixing throughout the tank.
Some models include mounting adapters,
quick-connect fittings, or floatation assemblies to simplify installation in
various tank configurations.
Performance and Efficiency
Coarse Bubble Disc Diffusers areengineered for high airflow and effective mixing in tanks with substantial
solids content. While oxygen transfer efficiency is lower than fine bubble
diffusers, they excel in keeping solids in suspension and preventing sludge
deposition.
·
Bubble Diameter: 6–25 mm depending on design and
airflow
·
Airflow Rate: 2–20 m³/h per diffuser (model
dependent)
·
Operating Depth: 1–5 meters (depending on tank
design)
·
Oxygen Transfer Efficiency: Typically 5–15% per meter
of submergence
·
Durability: Resistant to fouling, abrasion, and chemical
exposure
·
Energy Efficiency: Low-pressure operation reduces
blower energy requirements while ensuring proper aeration
These diffusers are ideal for
processes where thorough mixing and agitation are required along with moderate
oxygen transfer.
Applications
Coarse Bubble Disc Diffusers areversatile and find application in multiple industries and water treatment
processes:
·
Municipal Wastewater Treatment: Aeration
in activated sludge tanks, oxidation ditches, and secondary clarifiers.
·
Industrial Effluent Treatment: Aeration
in chemical, textile, pulp & paper, food & beverage, and pharmaceutical
wastewater systems.
·
Sludge Mixing: Keeps solids suspended and ensures
uniform oxygen distribution.
·
Aquaculture: Provides oxygenation in ponds
and tanks to maintain healthy aquatic life.
·
Pre-Treatment Tanks: Aeration in equalization and
holding tanks before biological treatment.
Their robustness and high-mixing
capability make them suitable for systems with high solids, turbulent flows, or
variable operating conditions.
Advantages
·
Robust and Durable: Resistant to clogging, abrasion,
and chemical corrosion.
·
Efficient Mixing: Coarse bubbles create turbulence
for uniform suspension of solids.
·
Low Maintenance: Simple design reduces
operational downtime.
·
Energy Efficient: Operates at low pressure,
reducing blower power consumption.
·
Long Service Life: Durable construction and
corrosion-resistant materials ensure longevity.
·
Easy Installation: Modular design allows simple
placement, replacement, and maintenance.
·
Wide Application Range: Suitable for municipal,
industrial, and aquaculture applications.
Installation and Maintenance
Coarse Bubble Disc Diffusers aretypically installed on manifolds within the aeration tank. They are secured
using clips, adapters, or flexible connections to ensure proper alignment and
air distribution.
Routine maintenance includes:
·
Checking and cleaning membranes to prevent clogging
·
Inspecting for wear or damage
·
Ensuring proper airflow and pressure from the blower system
With regular preventive maintenance,
these diffusers provide consistent performance over many years.
Safety and Operational Considerations
·
Ensure airflow and operating pressure are within the diffuser’s
rated range to prevent damage.
·
Avoid exposure to highly aggressive chemicals beyond the diffuser’s
material limits.
·
Use pressure relief and non-return valves in the air supply system
to protect the diffuser and piping.
·
Regular inspection and cleaning maintain optimal bubble formation
and aeration efficiency.
Following these guidelines ensures
safe, reliable operation and prolongs the diffuser’s operational life.
Conclusion
Coarse Bubble Disc Diffusers offer areliable, durable, and cost-effective solution for aeration in wastewater
treatment, industrial effluent treatment, and aquaculture. By generating large,
robust air bubbles, they ensure effective oxygenation, uniform mixing, and
suspension of solids in high-flow or high-solids environments.
With their energy-efficient design, corrosion-resistant materials,
and low-maintenance operation, coarse bubble disc diffusers remain an essential
component for achieving optimal aeration performance, improved process
efficiency, and sustainable water management across municipal and industrial
applications.
| Coarse Bubble Disc Diffuser | Product Name Coarse Bubble Disc Diffuser Brand Indian Carbon / Equivalent OEM Type Coarse Bubble Aeration Disc Diffuser Bubble Diameter 6–25 mm Airflow Rate 2–20 m³/h per diffuser (model dependent) Oxygen Transfer Efficiency 5–15% per meter submergence Operating Depth 1–5 meters Operating Temperature Up to 50°C Material of Construction High-Strength Polymer / Stainless Steel / Reinforced Plastic Membrane Type Perforated or Slotted Disc Corrosion Resistance High, suitable for chemical and wastewater exposure Mounting Manifold or Grid System Durability Resistant to fouling, abrasion, and chemical attack Service Type Continuous Duty Maintenance Periodic cleaning of membranes and inspection Applications Municipal Wastewater, Industrial Effluent, Sludge Mixing, Aquaculture, Pre-Treatment Tanks Features Uniform Bubble Distribution, Robust Construction, Low Maintenance, Energy Efficient Optional Accessories Mounting Clips, Quick-Connect Fittings, Floatation Assemblies Certifications ISO 9001 / CE Certified Country of Origin India |
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