Uses of Roots Blower in STP (Sewage Treatment Plant)
A Roots Blower plays a critical role in the efficient operation of a Sewage Treatment Plant (STP). It supplies the required air for biological and process functions that ensure proper wastewater treatment. The main uses are:
1️⃣ Aeration in Biological Treatment Tank
The primary use of a Roots Blower in STP is to provide oxygen in the aeration tank. The air supplied helps aerobic bacteria break down organic matter (BOD & COD reduction), ensuring effective wastewater treatment.
2️⃣ Air for Diffusers
Roots blowers supply compressed air to fine bubble or coarse bubble diffusers installed at the bottom of aeration tanks. This ensures uniform oxygen distribution and proper mixing.
3️⃣ Sludge Mixing & Agitation
Blowers help in sludge stabilization and mixing, preventing settling and maintaining homogeneous sludge concentration.
4️⃣ Backwashing of Filter Media
In tertiary treatment, Roots blowers are used for air scouring during sand filter backwashing, improving cleaning efficiency.
5️⃣ Maintaining Dissolved Oxygen (DO) Levels
Maintaining proper DO levels is critical for biological treatment. Roots blowers provide controlled airflow to maintain optimal oxygen concentration.
6️⃣ Equalization Tank Mixing
Air from the blower is used for mixing wastewater in equalization tanks to prevent sedimentation and odor formation.
Why Roots Blower is Preferred in STP?
✔ Continuous duty operation
✔ Oil-free air delivery
✔ High efficiency and reliability
✔ Low maintenance
✔ Consistent airflow at required pressure
Roots blowers are considered the heart of an STP aeration system, ensuring efficient and stable plant performance.
- Description
- Additional information
Description
Roots Type STP Blower Manufacturer & Supplier in India
High-Performance Blowers for Sewage Treatment Plants (STP)
Respondent Precision Engineering Private Limited (RPE Pumps) is a leading manufacturer of Roots Type STP Blowers designed for reliable and energy-efficient aeration in sewage treatment plants. Our blowers are specially engineered to deliver consistent air flow required for biological treatment processes in municipal and industrial STPs.
With robust construction, precision machining, and strict quality control, our Roots blowers ensure long service life, low maintenance, and optimum performance in continuous-duty applications.
What is a Roots Type STP Blower?
A Roots Type Blower, also known as a Twin Lobe Blower, is a positive displacement air blower that supplies a constant volume of air regardless of pressure variations. In STP applications, these blowers provide oxygen to aeration tanks, helping microorganisms break down organic waste efficiently.
Applications in Sewage Treatment Plants (STP)
Our Roots Type STP Blowers are widely used in:
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Aeration tanks
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Equalization tanks
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Sludge agitation
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Filter backwashing
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MBBR & SBR systems
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Effluent Treatment Plants (ETP)
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Wastewater recycling plants
Key Features
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Heavy-duty CI casting construction
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Dynamically balanced twin/trilobe rotors
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Precision timing gears for smooth operation
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Low noise and vibration
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Oil splash lubrication system
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Continuous duty performance
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Compact and space-saving design
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Easy maintenance with readily available spares
Technical Specifications
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Capacity Range: 50 CMH to 10,000+ CMH
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Pressure Range: Up to 1 kg/cm²
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Motor Power: As per requirement
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Cooling: Air cooled
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Mounting: Horizontal / Vertical
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Drive: V-Belt / Direct Coupled
(Custom specifications available as per project requirement.)
Why Choose RPE Pumps for STP Blowers?
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In-house manufacturing facility in Ghaziabad, Uttar Pradesh
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Strict quality inspection at every stage
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Energy-efficient designs reducing operating costs
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Quick delivery across India
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Complete after-sales support, servicing & AMC
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Multi-brand blower servicing expertise
We understand that STP operations run continuously, and blower downtime can disrupt the entire treatment process. That’s why our blowers are designed for maximum reliability and long operational life.
Complete Blower Package Available
We supply complete blower packages including:
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Electric Motor
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Base Frame
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V-Belts & Pulleys
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Pressure Relief Valve
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Non-Return Valve
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Silencers (Inlet & Outlet)
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Control Panel (Optional)
Industries We Serve
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Municipal Corporations
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Residential Societies
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Commercial Complexes
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Hotels & Hospitals
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Pharmaceutical Industries
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Food Processing Plants
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Textile & Chemical Industries
Additional information
| Application | STP/ETP/WTP |
|---|---|
| Air Flow Rate | 10m3/hr to 10,000m3/hr |
| Diffrential Pressure | Upto 1kg/cm2 |
| MOC | CI FG 260 |
| Shaft MOC | EN-19/EN-24 |
| Balancing | ISO 1940/1 Grade 6.3 or better |
| Noise Level | 70-75 dB |
| Warranty | 18 Months |
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