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A Rotary Vane Blower is a type of positive displacement blower that uses a set of rotating vanes to move air or gas. It operates by trapping air in the chambers created between the rotating vanes and the housing, then displacing it to the discharge side at a higher pressure. As the rotor spins, the vanes slide in and out of slots, maintaining contact with the housing and creating a series of sealed compartments that transport air through the blower. Rotary vane blowers are known for their smooth, reliable operation, compact design, and relatively low noise levels, making them suitable for a wide range of applications, including industrial ventilation, pneumatic conveying, and air filtration systems.
- Positive Displacement: Delivers a constant flow regardless of pressure changes, making it ideal for applications requiring steady airflow.
- Rotary Design: Typically consists of two lobed rotors that rotate in opposite directions without touching each other or the housing.
- Oil-Free Compression: The compression process occurs without oil or other lubricants in the air path, ensuring clean air delivery.
Here is the working principle of a Rotary Vane Blower presented in a table format:
| Step | Description |
|---|---|
| 1. Rotor and Vanes | The rotor has multiple sliding vanes placed in slots. The rotor rotates eccentrically, causing the vanes to form sealed chambers between the rotor and the housing. |
| 2. Air Intake | As the rotor turns, the vanes move outward, expanding the chambers and drawing air into the blower. |
| 3. Air Compression | As the rotor continues to spin, centrifugal force moves the vanes inward, reducing the chamber space and compressing the air. |
| 4. Air Discharge | The compressed air is forced out through the discharge port, creating a steady, continuous flow of air. |
| 5. Lubrication (Optional) | Oil or grease is used to lubricate the vanes and housing, reducing friction and wear, and improving efficiency. |
Key Features of the Working Principle:
| Feature | Description |
|---|---|
| Positive Displacement | Each rotation of the rotor captures a fixed volume of air and displaces it through the system. |
| Smooth Continuous Airflow | The sliding vanes ensure smooth and continuous airflow with minimal pulsation. |
| Self-Adjusting Seals | The vanes maintain a tight seal against the housing, ensuring efficient compression and air movement. |
| Variable Speed | Some models allow the rotor speed to be adjusted, offering flexibility in controlling airflow and pressure. |
| Model | HC100s |
| Air capacity | 4.11m3/Min-4.32m3/Min |
| Discharge differential pressure | 10kpa-50kpa |
| Rotary speed | 390rpm |
| Motor type | 5.5kw 380/400/415/440V, 3PHASES, 50/60HZ |
| Bearing brand | Standard: Renben bearing NSK bearing for your option |
| Installation type | Standard: horizontal type. Vertical type available for your option |
| N.W. of blower without motor | 100kg |
| Packing size Approx. | 1.13cbm |
| Model | Blower size | Motor kw | Frequency | Blower speed min-1 | air capacity | Blower V Pulley | Motor V pulley | Oil Capacity | ||||
| 0.1kgf/cm2 | 0.2kgf/cm2 | 0.3kgf/cm2 | 0.4kgf/cm2 | 0.5kgf/cm2 | ||||||||
| HC25s | 3/4'' | 0.37 | 50 | 430 | 0.278 | 0.265 | 0.25 | 0.237 | 0.225 | 8'' | 3 | 1.2L(0.9L) |
| HC251s | 3/4'' | 0.55 | 50 | 450 | 0.31 | 0.3 | 0.29 | 0.28 | 0.28 | 8'' | 2 1/2 | 1.5L(1.1L) |
| HC30s | 1'' | 0.55 | 50 | 430 | 0.35 | 0.34 | 0.33 | 0.32 | 0.31 | 10'' | 3 | 1.5L(1.1L) |
| HC301s | 1'' | 0.75 | 50 | 520 | 0.42 | 0.41 | 0.4 | 0.39 | 0.38 | 10'' | 3 1/2 | 1.5L(1.1L) |
| HC40s | 1 1/4'' | 0.75 | 50 | 500 | 0.66 | 0.65 | 0.63 | 0.61 | 0.59 | 12'' | 4 | 2.5L(1.7L) |
| HC401s | 1 1/4'' | 1.5 | 50 | 580 | 0.8 | 0.77 | 0.74 | 0.71 | 0.67 | 12'' | 4 1/2 | 2.5L(1.7L) |
| HC50s | 1 1/2'' | 1.5 | 50 | 430 | 1.14 | 1.12 | 1.09 | 1.06 | 1.02 | 14'' | 4 | 3.5L(2.3L) |
| HC501s | 1 1/2'' | 2.2 | 50 | 500 | 1.44 | 1.41 | 1.39 | 1.36 | 1.32 | 14'' | 4 1/2 | 3.5L(2.3L) |
| HC60s | 2'' | 2.2 | 50 | 450 | 1.9 | 1.87 | 1.82 | 1.77 | 1.71 | 16'' | 5 | 5.5L(3.8L) |
| HC601s | 2'' | 4 | 50 | 540 | 2.41 | 2.34 | 2.29 | 2.44 | 2.18 | 16'' | 6 | 5.5L(3.8L) |
| HC80s | 2 1/2'' | 4 | 50 | 430 | 2.82 | 2.74 | 2.66 | 2.59 | 2.5 | 18'' | 5 1/2 | 8L(6L) |
| HC801s | 2 1/2'' | 5.5 | 50 | 500 | 3.53 | 3.45 | 3.38 | 3.33 | 3.25 | 18'' | 6 | 8L(6L) |
| HC100s | 3'' | 5.5 | 50 | 390 | 4.32 | 4.28 | 4.25 | 4.18 | 4.11 | 20'' | 5 1/2 | 20L(16L) |
| HC1001s | 3'' | 7.5 | 50 | 420 | 5.41 | 5.32 | 5.25 | 5.18 | 5.11 | 20'' | 6 | 20L(16L) |
| Feature | Description |
|---|---|
| Fast Delivery | We prioritize efficiency to meet your deadlines. Our standard models are available in stock for immediate shipment, minimizing wait times. For custom orders, our streamlined production process ensures delivery within just 5-7 days, so you can stay on schedule and ahead of your projects. |
| OEM Support | We offer comprehensive support for OEM (Original Equipment Manufacturer) projects, fully customizing products to your specifications. From design modifications to private labeling, we work closely with you to turn your vision into reality while upholding the highest standards of quality. |
| High Precision | Our state-of-the-art CNC machining technology guarantees exceptional precision, with tight tolerances of 0.02-0.04 mm. This ensures every component meets stringent accuracy requirements, delivering reliable performance across a wide range of applications. |
| Run-Test | Quality is our top priority. Each unit undergoes 100% rigorous testing before it leaves the factory. Our thorough run-test process ensures that every product operates flawlessly and meets all performance expectations. |
| Warranty | 12 months; Offer technical support lifespan |
| Packing | Special designed wooden for export |
T/T 30% depost and 70% balance against copy of B/L; L/C at sight ;Cash
| Maintenance Task | Description |
|---|---|
| Check Air Filters | Inspect and clean air intake filters daily to prevent clogging, which can reduce efficiency and cause overheating. |
| Inspect Lubrication Levels | Ensure proper lubrication (if applicable) of the vanes and rotor. Check oil levels and quality, and top up or replace oil as needed. |
| Check for Leaks | Visually inspect the blower for any signs of air or oil leaks, especially around seals and gaskets. Leaks can cause performance loss and contamination. |
| Inspect Vane Condition | Check the vanes for wear or damage. Worn-out vanes can affect performance and lead to overheating. Replace if necessary. |
| Monitor Operating Pressure | Verify that the operating pressure matches the recommended range. Consistent pressure ensures efficient operation and prevents overloading. |
| Listen for Abnormal Noises | Listen for any unusual noises during operation, such as grinding or knocking, which may indicate internal issues like vane damage or insufficient lubrication. |
| Check Temperature | Monitor the blower's temperature to ensure it's within the safe operating range. Overheating can be a sign of insufficient lubrication or airflow. |
| Clear Debris Around Intake | Ensure the area around the blower's air intake is clear of dust and debris, which can obstruct airflow and reduce performance. |
| Inspect Belts & Pulleys | If the blower is belt-driven, check the belts and pulleys for wear or damage. Tighten or replace if necessary to maintain proper function. |
In wastewater treatment plants, rotary vane blowers are essential for aeration, providing a steady supply of oxygen to promote the growth of aerobic bacteria. These bacteria break down organic waste and pollutants in the water. By maintaining optimal oxygen levels, the blowers support the microbial activity that is crucial for removing contaminants such as organic matter and nitrogen.
Additionally, the continuous airflow from the blower helps keep the wastewater well-mixed, preventing the settling of solids and ensuring even oxygen distribution. Rotary vane blowers are ideal for this application due to their reliable, consistent airflow and energy efficiency, making them an important and cost-effective component in the biological treatment process.
