Low noise rotary fan return cyclone (low noise rotary fan return cyclone with stable air volume) is widely used in: residential sewage treatment air blast aeration; Industrial sewage mixing aeration; Vacuum paper feeding in printing industry; Agitation aeration of electroplating tank and industrial wastewater; Gas supply for plastic welding and food packaging blowers; Burner spray, glass industry and other uses.

HCC回转式鼓风机其结构精巧，压力范围：0.1-0.5kgf/cm2。主要由下列六部分组成：电机、空气过渡器、鼓风机本体（加工精度决定风机的低噪音）、空气室、底座（兼油箱）、滴油嘴（ 控制滴油速度，方便维护）。鼓风机靠汽缸内偏置的转子（滑片）偏心运转，并使转子槽（滑片）中的叶片之间的容积变化将空气吸入、压缩、吐出。在运转中利用鼓风机的压力差自动将润滑送到滴油嘴，滴入汽缸内以减少摩擦及噪声，同时可保持汽缸内气体不回流。

The HCC rotary blower has a delicate structure, with a pressure range of 0.1-0.5kgf/cm2. It is mainly composed of the following six parts: motor, air transition device, blower body (low noise of fan is determined by processing accuracy), air chamber, base (also used as oil tank), and oil drip nozzle (to control the oil drip speed and facilitate maintenance). The blower operates eccentrically by the offset rotor (slide) in the cylinder, and the volume change between the blades in the rotor slot (slide) will suck in, compress and discharge air. During operation, the pressure difference of the blower is used to automatically send the lubrication to the oil drip nozzle and drip it into the cylinder to reduce friction and noise, while keeping the gas in the cylinder from backflow.

低噪音回转风机回旋风机设备优点：1.耐久性优良，能长时间连续运转，寿命预期25000小时。2.体积小、重量轻，风量大，风机安装简便。3.主机采用日本横滨技术，加工精度高，振动小，低噪音，震动非常小，不需要另外做地基预制的。4.风机，电机功率小，相比罗茨风机，运转费用低。5.风机有多种转速，选择余地大，可以根据用户需要加工定做。6.抗负荷变化，风机风量稳定，在压力变化时，风量随压力变化，而变化微小。7.风机维护方便，使用 -N68#号耐磨液压油，冬季建议降低液压油型号，风机使用中只要不缺油，就可放心运转，方便省心。

Advantages of low-noise rotary fan and cyclone: 1. Excellent durability, continuous operation for a long time, life expectancy of 25000 hours. 2. Small volume, light weight, large air volume, and simple fan installation. 3. The main machine adopts Yokohama technology of Japan, with high processing accuracy, low vibration, low noise and environmental protection. The vibration is very small, and no foundation prefabrication is required. 4. The fan is energy-saving and the motor power is small. Compared with Roots blower, it is energy-saving and the operating cost is low. 5. The fan has a variety of rotating speeds, which can be customized according to user needs. 6. Resistance to load changes, the fan air volume is stable, and when the pressure changes, the air volume changes slightly with the pressure. 7. The fan is easy to maintain. It uses - N68 # wear-resistant hydraulic oil. It is recommended to reduce the hydraulic oil model in winter. As long as there is no lack of oil in the use of the fan, it can operate at ease, convenient and worry free.

低噪音回转风机回旋风机（低噪音回转风机 风量稳定回旋风机）的特点：

Features of low-noise rotary fan return cyclone (low-noise rotary fan with stable air flow):

1、体积小、风量大、噪声低、耗能省(回转风机采用运转压缩空气的原理，虽然体积小，但风量大、。)

1. Small volume, large air volume, low noise and energy saving (The rotary fan adopts the principle of compressed air operation. Although it is small, it has large air volume and energy saving.)

2、运转平稳，安装方便(小型机种运转时只要放置妥当则振动很小，不需要加装防振装置，安装方便。)

2. Stable operation and convenient installation (small models can operate with little vibration as long as they are properly placed, so there is no need to install anti vibration devices, which is convenient for installation.)

3、抗负荷变化，风量稳定(例如：污水处理曝气槽压力变化，则负荷变化，但风量随压力变化而变化甚微。)

3. Resistance to load change and stable air flow (for example, if the pressure of sewage treatment aeration tank changes, the load changes, but the air flow changes little with the pressure change.)

4、附有空气室，散气平稳(全部机种附有空气室，可防止空气脉动，散气平稳。)

4. Air chamber is attached to ensure stable air dispersion (All models are attached with air chamber to prevent air pulsation and ensure stable air dispersion.)

5、材质精良，结构巧妙，性能 (鼓风机全部采材料，结构精巧，坚固耐用，性能 ，长期使用故障少。)

5. Excellent material, ingenious structure, and performance (The blower is made of all materials, with exquisite structure, durability, performance, and few long-term use failures.)

6、保养简单，故障少，寿命长、低转速，磨损小。

6. The maintenance is simple, with few faults, long service life, low rotating speed and little wear.

7、回转风机有20多种型号，多种转速可选，还有卧式和立式可选，风机选择余地大，还可根据用户需要加工定做。

7. There are more than 20 types of rotary fans, with a variety of rotating speeds available, as well as horizontal and vertical fans. There is a wide choice of fans, which can also be customized according to user needs.

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