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格南登福容积式鼓风机
格南登福容积式鼓风机提供多种技术类型的产品和成套装置，提供更全的风机品类。凭借脱颖而出的技术，格南登福能提供多种风机技术，确切满足您的需求。每种技术均能根据您的具体要求量身定制，提供独特的解决方案。
螺杆式风机的运行原理是两根平行的阴阳转子在“∞”形气缸中相互啮合形成工作容积，通过同步齿轮，转子作反向高速转动，随着转子转动工作容积的大小发生周期性的变化，在气体输送过程中同时实现气体的压缩。螺杆式风机的工作循环可分为吸气、压缩和排气三个过程。
格南登福离心式鼓风机
格南登福磁悬浮离心鼓风机，采用先进的磁悬浮技术，实现了风机无机械摩擦运行。高效的三元叶轮设计，使风机实现效率更大化，性能范围更广。专业的控制系统，使运行更稳定，并且保障风机即使在紧急断电情况下仍能平稳运行，安全停机。
Positive displacement blowers, oftentimes called “PD blowers”, are utilized to move air through a wide variety of industrial applications such as chemical, agriculture, bulk transport and more.
The selection of positive displacement blowers built by Gardner Denver is second to none and includes:
No matter if your job calls for individual blowers or blower packages, Gardner Denver has the technology you need. From our legendary Sutorbilt name to the rugged and reliable Duroflow and all the way up to the superior Cycloblower, Gardner Denver has the best positive displacement blower selection and technology in the industry.
The different types of positive displacement blowers may differ in their construction or operation but all are designed to assist with the movement of materials. PD blowers simply trap and then discharge air to propel materials through pipe or hose which makes bulk transport a quicker and more efficient operation.
Straight Bi-Lobe Blowers - employ two figure eight rotors (or lobes) that rotate
Straight Tri-Lobe Blowers - utilizes straight rotors with three lobe design, less noisy and lower pulsation compared to bi-lobe
Twisted Tri-Lobe Blowers - has helical tri-lobe rotors, smoother pulse operation to extend the life of the bearings
Helical Screw Blowers - helical rotors with unique screw design for superior energy savings
Blower Packages - Plug and play simplifies installation and enclosures cuts down on noise levels
Positive displacement blowers discharge air out into a pipe or hose in order to move materials. Rotors revolve and air is pulled into the inlet port, air is forced into tight areas between the rotors and casing then is forced to the outlet pipe (or hose). The term “positive displacement” comes from the fact that the volume of air doesn’t change within the blower but is displaced from one end to the other during operation.
Some of the most common industries that utilize positive displacement blowers include:
