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济南空调维修浅谈空调怎样减少风机噪音

来源: 日期:2018-07-30 发布人:admin
中央空调风机在运转过程中会产生一些较大的噪声。这些噪声是通过进口、出口、机壳、电动机和管道等声源部位进行传播的,风机产生的噪音对周围环境有污染,而且还会影响到人们的工作效率伤害到人们的健康,现在风机噪声已成为全球城市环境噪声污染的一个重要来源。那么济南空调维修如何才能够降低运行的噪音呢?
The central air conditioning fan will produce some big noises during the running process. The noise is transmitted through the sources of the sound source, such as the inlet, the outlet, the machine shell, the motor and the pipe. The noise produced by the fan is polluted to the surrounding environment, and it will also affect people's work efficiency to harm people's health. Now the noise of the fan has become an important source of environmental noise pollution in the world. How can Ji'nan air conditioning maintenance reduce noise?
(1)济南空调维修采用低噪声风机,尽可能采用后倾的离心风机并使风机运行时的工作点处于或接近风机的率点,因为风机工作在率点时噪声低。
(1) the high efficiency and low noise fan is used in Ji'nan air conditioning maintenance, and the backward centrifugal fan is used as far as possible and the working point of the fan is in or close to the highest efficiency point of the fan, because the noise of the fan is the lowest when working at the highest efficiency point.
(2)风机转动方式好采取直联型或联轴器传动方式,以避免由于皮带传动所产生的噪声。
(2) it is best to use direct connection or shaft coupling to drive the fan to avoid noise generated by belt transmission.
(3)在满足送风量的隋况下,尽量减少风机的剩余压头,以避免产生过大的送风噪音。
(3) minimize the residual pressure head of the fan in order to avoid excessive air supply noise when the air supply volume is satisfied.
(4)济南空调维修在条件允许的情况下尽量加大送风温差,以减少送风量,降低系统的管道阻力,降低风机运行时的线速度,从而达到控制噪声的目的。
(4) Ji'nan air conditioning maintenance in the condition of conditions allowed to increase the air temperature difference as far as possible to reduce air supply, reduce the system pipe resistance, reduce the line speed of the fan running, so as to achieve the purpose of controlling the noise.
(5)做好风机进出口处柔性接头的长度控制在100一150mm,不宜超过150mm,柔性接长度度超过150mm会引起过大噪声。若发现柔性接头材料有破损、穿孔、老化变硬等现像时应及时予以更换,以免由于柔性接头破损处漏风造成噪音和老化变硬失去减振作用,从而增加噪声通过管道的传播。
(5) Do a good job of the fan inlet and outlet flexible joint length control in 100-150 mm, not more than 150 mm, flexible joint length over 150 mm will cause excessive noise. If the flexible joint materials are found to be damaged, perforated and hardened, the flexible joints should be replaced in time so as to avoid the noise and aging of the flexible joints and lose the damping effect, thus increasing the noise through the transmission of the pipe.
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This article by Ji'nan air conditioning maintenance friendship dedication, more related knowledge please click: we will use advanced technology, sincere attitude, to provide you with a comprehensive service. We will continue to dedicate to you.

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