The core parameters of multi-stage centrifugal blowers can be divided into three categories: performance parameters, structural parameters, and operation guarantee parameters, covering key indicators throughout the entire process of selection, installation, and operation and maintenance, as follows:
🔧 Core performance parameters
Imported volumetric flow rate: The conventional coverage range is 15-500m ³/min, with significant differences among different models. Small flow models have a flow rate of about 15-20m ³/min, while large flow models can reach 150-180m ³/min.
Export wind pressure/pressure rise: The mainstream range is 10-100kPa, corresponding to wind pressure of 15kPa to 0.2MPa. High pressure models can exceed 1.5-1.8MPa.
Motor power: Small power models start at 7.5kW, while high-voltage high flow models require a motor of 75kW or above.
Speed: Conventional models have a speed of about 1400RPM, while some high-speed design models can reach 4000r/min.
Pneumatic efficiency: Models designed with ternary flow impellers can achieve an aerodynamic efficiency of over 78%.
📐 Structure and material parameters
Compression level: Small flow models are mostly equipped with 6-stage compression, while high-pressure and high flow models are upgraded to 9-stage impeller series structure.
Impeller material: Small models use aluminum alloy casting for impellers, while large models use high-strength alloy steel for impellers.
Main spindle material: High quality carbon steel is used for the main spindle of conventional models, while high-strength alloy steel is used for high-pressure large models.
Sealing form: Standard labyrinth non-contact seal, no wear and heat problems, excellent sealing performance.
Transmission method: Adopting direct coupling transmission, and supporting belt transmission in some scenarios.
🛡️ Operation and environmental parameters
Continuous operation life: The equipment can operate continuously and stably for more than 1 year, and the bearing with oil-free lubrication design has a life of more than 2 years.
Operating noise: The overall operating noise is ≤ 85dB (A), and models equipped with shock absorbers can further reduce the noise by 8 decibels.
Bearing vibration value: The conventional requirement for bearing amplitude is ≤ 0.04mm, and the qualified threshold in accordance with ISO 10816-3 standard is ≤ 4.5mm/s.
Adaptation to environmental conditions: The ambient temperature covers -35~40 ℃, and the relative humidity is adapted to 20%~90%.
Cooling method: Conventional models use air cooling, while high flow and high-pressure models come standard with dual circulation water cooling devices.
At present, the mainstream multi-stage centrifugal blower products on the market have a wide range of parameters and can be flexibly selected according to actual working conditions.
Shandong Ruidian Environmental Protection Technology Co., Ltd. is located in the high-end equipment manufacturing base of Luozhuang District, Linyi City. It is a modern enterprise that focuses on the research and development, design, production, and manufacturing of multi-stage centrifugal blowers, centrifugal vacuum pumps, Roots blowers, pneumatic conveying systems, and soil remediation integrated special equipment. Its telephone number is 13287120066.
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