螺旋风管安装中如何预防震动?
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                            螺旋风管安装中如何预防震动?
                            来源:m.inight.cn 2018-09-27 14:36:55
                            安装过程中振动和噪音的预防 振动和噪音的预防是安装过程中一个重点,安装过程中螺旋风管的振动和噪音的预防主要从以下几个方面着手:
                            The prevention of vibration and noise during installation is a key point in the installation process. The prevention of vibration and noise of spiral duct during installation mainly proceeds from the following aspects:
                            ① 风机安装时按设计要求或施工规范要求 设置减振装置。
                            When the fan is installed, the damping device should be set up according to the design requirements or construction specifications.
                            ② 风机、螺旋风管相连接采用软管连接,风机吸入口处的软管安装要做到松紧适度,避免因软接过松减小进出风口面积,而引起噪声和振动。
                            (2) Hose connection is used for connecting fan and spiral air duct. The installation of hose at the suction port of fan should be flexible and moderate, so as to avoid noise and vibration caused by loosening the soft connection and reducing the area of inlet and outlet.

                            ③ 螺旋风管制作、安装及与部件连接,连接严密 ,无漏风现象,以免产生漏风噪音。

                            (3) The spiral air duct is manufactured, installed and connected with the components, and is tightly connected without air leakage, so as to avoid air leakage noise.
                            ④ 为防止螺旋风管振动,在每个系统螺旋风管的转弯处、与通风机和风口的连接处设固定支架。
                            (4) In order to prevent the vibration of the spiral duct, a fixed bracket is arranged at the bend of the spiral duct of each system and at the connection with the fan and the air outlet.
                            螺旋风管的漏风量测试 螺旋风管安装完毕,需进行漏风量测试,依据规范 规定,螺旋风管的漏风量检测采用漏光法定性和漏风量测试定量检测相结合的方式,漏光法适合于中、低压系统的严密性检验;漏风量测试适合于中压系统的抽检和高压系统的悉数检测。
                            Spiral duct leakage measurement test Spiral duct installation is completed, the need for air leakage measurement test, according to the provisions of the code, spiral duct air leakage detection by leak legality and leak measurement test quantitative detection combined method, leak method is suitable for the tightness of medium and low pressure system testing; air leakage measurement test is suitable for medium pressure system. Sampling and testing of high voltage system.
                            螺旋风管的漏光法检测 漏光法检测是采用光线对小孔的强透视力,对系统螺旋风管严密程度进行定性检测的方法。其试验方法是在一定长度的螺旋风管上,在黑暗的环境下,在螺旋风管内用一个电压不高于36V、功率在100W以上的 带保护罩的灯泡,从螺旋风管的一端缓缓移向另一端,试验时若在螺旋风管外能观察到光线,则说明螺旋风管有漏点,并对螺旋风管的漏风处进行修补。
                            Leakage detection of spiral duct is a qualitative method to detect the tightness of the spiral duct of the system by using the strong transmission vision of the light to the small hole. The test method is to use a lamp with a protective cover with a voltage not higher than 36V and a power of more than 100W in the spiral duct on a certain length of spiral duct in dark environment, and move slowly from one end of the spiral duct to the other end. If light can be observed outside the spiral duct, the spiral duct has leakage. And repair the air leakage of the spiral duct.
                            系统螺旋风管的漏光法检测采用分段检测、汇总分析的方法,被 测系统的螺旋风管不允许有多处条缝形的明显漏光,低压系统螺旋风管每10米接缝,漏光点不超过2处,100米接缝平均不大于16处;中压系统螺旋风管每10接缝,漏光点不超过1处,100米接缝平均不大于8处为合格。
                            The spiral duct of the system is not allowed to leak light in many slits. The spiral duct of the low pressure system is not allowed to leak light in 10 meters, the leak point is not more than 2, and the average joint of 100 meters is not more than 16. The spiral duct of the medium pressure system is not allowed to leak light in 10 seams. No more than 1 points, 100 meters joints are not more than 8 on average is qualified.
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                            This article is collated and published by Jinan Ventilation Pipeline, do you know something about it? For more information, please click: http://m.inight.cn, we will have more exciting content for you to see.

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