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Okay, the user is asking about a three leaf Roots blower with a power of 5.5kw. Firstly, I need to determine which aspects of information users may want to know. Common requirements may include product parameters, application scenarios, selection recommendations, maintenance or pricing, etc. However, the user did not provide specific instructions, so I need to cover multiple aspects.
First, let's think about the basic knowledge of Roots blower. The three bladed Roots blower is a positive displacement fan that compresses gas through the engagement of two three bladed rotors. It has a simple structure and stable operation. A power of 5.5kw is considered moderate and may be widely used in industries such as sewage treatment, pneumatic conveying, and aquaculture.
Next is the parameter section. The air volume range may be between 1-10m3/min, the common pressure range is 9.8kPa to 58.8kPa, and the speed is usually 1450rpm or higher. In terms of noise, a muffler may need to be installed. These parameters require specific model support, which may vary from manufacturer to manufacturer, so it is recommended that users check the specification table for specific models.
In terms of application scenarios, sewage treatment plants are used for aeration, pneumatic conveying is used for granular materials, aquaculture is used for oxygenation, and there is also gas supply for industries such as printing and food. These are common applications, and users may want to know if they are suitable for their industry.
Selection precautions: Users need to confirm the required air volume and pressure, consider whether the on-site environment requires explosion-proof or anti-corrosion, choose a manufacturer with quality assurance, and pay attention to the convenience of installation and maintenance. This part is crucial for user selection and may require detailed explanation.
In terms of maintenance, regularly replace lubricating oil, check belt tightness, clean filters, monitor vibration and temperature. These are routine maintenance steps that can extend the lifespan of the equipment, and users may be concerned about how to maintain it to reduce malfunctions.
In terms of price, domestic brands may cost thousands to tens of thousands, while imported brands are more expensive. Users may have limited budgets, so it is necessary to compare cost-effectiveness. At the same time, prices may vary due to configuration and market fluctuations, and it is recommended to consult suppliers.
In the common problems section, users may encounter issues such as high noise, insufficient air flow, or overheating, and corresponding solutions need to be provided, such as installing mufflers, checking pipelines, or cleaning radiators. These are common fault points that can help users quickly solve problems.
Recommended brands include Changsheng in China, Anlet in Japan, and Aerzen in Germany. Users may require reliable brand references, but should be reminded to choose based on their needs and budget.
It is necessary to ensure that the answer structure is clear, using lists and structured formats, but avoiding the use of Markdown. So use numbers and bullet points to organize content and maintain readability. Also note that the time is 2025, and there may be updates to the technology or model, but the user has not specifically pointed it out, so it will be handled according to the existing information.
Summarize the content of each section, answer in points, covering parameters, applications, selection, maintenance, prices, common questions, and brand recommendations to ensure
The following is a summary of key information about the 5.5kW three blade Roots blower:
1、 Basic parameters
1. Power: 5.5kW (compatible with 380V three-phase power supply)
2. Airflow range: ≈ 1-10 m3/min (depending on model and pressure)
3. Pressure range: 9.8-58.8 kPa (common operating conditions)
4. Speed: 1450-3000 rpm (belt drive or direct drive)
5. Noise: 75-90 dB (requires muffler to reduce to environmental standards)
2、 Typical application scenarios
1. Environmental protection industry: wastewater treatment aeration, desulfurization oxidation.
2. Industrial field: Pneumatic conveying of granular and powder materials.
3. Aquaculture: oxygenation of fish ponds/shrimp ponds.
4. Other scenarios: Printing machinery, food processing gas supply.
3、 Selection suggestions
1. Matching requirements: Select the model based on actual air volume and pressure requirements (avoiding "big horses pulling small cars").
2. Environmental adaptation: Explosion proof and stainless steel models should be selected for high temperature/corrosive environments.
3. Brand selection:
Domestic: Changsheng (high cost performance, convenient maintenance).
Imports: Anlet from Japan, Aerzen from Germany (with strong durability and higher prices).
4、 Maintenance points
1. Lubrication system: Replace gear oil every 3 months (recommended ISO VG 220).
2. Belt inspection: Adjust the tightness monthly to prevent slipping or breakage.
3. Filter cleaning: Clean the intake filter every 2 weeks (blockage can cause a decrease in air volume).
4. Abnormal monitoring: Regularly record vibration and temperature data, and shut down for maintenance in case of abnormalities.
5、 Price reference
Domestic models: ¥ 8000-15000 (basic to variable frequency explosion-proof water-cooled).
Imported models: starting from ¥ 25000 (including customs duties and shipping fees).
Note: Prices are affected by market fluctuations and configuration differences. It is recommended to request real-time quotes.
6、 Common problem solving
Problem 1: Excessive noise
Install a muffler/soundproof cover and check if the anchor bolts are loose.
Problem 2: Insufficient air volume
Check for pipeline leaks, filter blockages, or belt wear.
Problem 3: Motor overheating
Clean the heat dissipation holes, ensure a ventilated environment, and verify voltage stability.
7、 Precautions
1. Installation requirements: Horizontal placement, with a reserved heat dissipation space of ≥ 50cm around the perimeter.
2. Before starting: manually turn the rotor to confirm that there is no blockage.
3. Warranty service: Confirm that the manufacturer provides a 1-2 year warranty and localized technical support.
If you need to further understand the specific model or working condition adaptation plan, it is recommended to provide detailed usage parameters (such as medium temperature, altitude, etc.) for accurate recommendation.
