通风管道设备安装的规范细则
Detailed specifications for installation of ventilation duct equipment
1、通风机安装应符合下列规定
1. The ventilator shall be installed in accordance with the following requirements
（1）风机试运转时，叶轮旋转方向正确，经不少于2H运转后，滑动轴承温升不超过35度，最高温度不超过70度；滚动轴承温升不超过40度，最高温度不超过80度。
(1) During the test run of the fan, the rotation direction of the impeller is correct. After running for at least 2h, the temperature rise of the sliding bearing shall not exceed 35 ° C, and the maximum temperature shall not exceed 70 ° C; The temperature rise of rolling bearing shall not exceed 40 ℃, and the maximum temperature shall not exceed 80 ℃.
（2）离心风机与减震台座接触紧密，螺栓拧紧，并有防松装置。
(2) The centrifugal fan is in close contact with the shock absorption pedestal, the bolts are tightened, and there is a locking device.
（3）管道风机采用减震吊架安装时，风机与减震吊架连接紧密，牢固可靠；采用支拖架安装时，风机与减震器及支架、托架连接紧密，北京纯水设备 保定网站制作 排水槽模具稳固可靠。
(3) When the duct fan is installed with shock absorption hanger, the fan is closely connected with the shock absorption hanger, which is firm and reliable; When the support and trailer are used for installation, the fan is closely connected with the shock absorber, support and bracket, and is stable and reliable.
2、过滤器、纸除尘器、过滤器吸收器安装应符合下列规定
2. The installation of filter, paper dust remover and filter absorber shall meet the following requirements
（1）各种设备的型号、规格、额定风量必须符合设计要求。
(1) The model, specification and rated air volume of various equipment must meet the design requirements.
（2）各种设备的安装方向必须正确。
(2) The installation direction of various equipment must be correct