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螺旋风管的安装注意事项!

来源:http://www.jnqsg.com/     发布时间:2023-03-30  

螺旋风管安装是十分重要的环节,通风、空调工程的主要工作集中在风管的安装上。因此要做好掌握多功能消声管的技术特性,熟悉施工图,了解土建和其它工种同本工种的相关情况,核实风管系统的标 高,轴线、预留孔洞,预埋件等是否符合安装条件。备足安装用的各类辅助材料,准备好吊装机具和安装用的其它工具,对风管系统划线定位等工作。
The installation of spiral air ducts is a very important link, and the main work of ventilation and air conditioning engineering focuses on the installation of air ducts. Therefore, it is necessary to master the technical characteristics of multi-functional silencing pipes, be familiar with construction drawings, understand the relevant conditions of civil engineering and other professional types of work with this type of work, and verify whether the elevation, axis, reserved holes, and embedded parts of the air duct system meet the installation conditions. Prepare various auxiliary materials for installation, hoisting machines and other tools for installation, and mark and position the air duct system.
风管的组对:将成品或预制好的风管运安装地点,结合实际情况进行检查、复核,再按编号进行排列,风管系统的各部分尺寸和角度确认准确无误后,即开始风管组对工作。风管各管段之间的连接采用法兰连接,接口处要求严密不漏风。
Air duct assembly: Transport the finished or prefabricated air duct to the installation site, inspect and recheck it based on the actual situation, and then arrange it according to the number. After confirming that the dimensions and angles of each part of the air duct system are correct, the air duct assembly work begins. The connection between each pipe section of the air duct shall be flange connected, and the interface shall be tight without air leakage.
山东通风管道加工
一次吊装风管的长度要根据建筑物的条件,风管的壁厚,吊装方法和吊装机具配备情况确定,组对好的风管可把两端的法兰做为基准点,以中间法兰为测点,拉线测量风管的连 接是否平直,偏差大时要进行调整,吊装前,要对风管支、吊架,吊装机具,选用吊装机具的支、吊点,是否正确、牢固进行检查,起吊前要仔细检查,把杆、 滑轮、绳索等是否 固定,绑扎可靠并要吊装范围内的各种不因素。起吊时,要进行试吊,当离地200-300毫米时,停止起升,再一次对吊装机具进行一次检查,确认无误后,继续起升到所需高度。把风管固定在支、吊架上之后,才能解开绳索,拆移吊装 机具。
The length of the primary air duct to be lifted should be determined based on the conditions of the building, the wall thickness of the air duct, the lifting method, and the allocation of lifting equipment. After the air duct is assembled, the flanges at both ends can be used as reference points, and the intermediate flange can be used as the measuring point. Draw a line to measure whether the connection of the air duct is straight. If there is a large deviation, it should be adjusted. Before lifting, the support and hanger of the air duct, the lifting equipment, and the support and lifting points of the lifting equipment should be selected to determine whether they are correct Check firmly. Before lifting, carefully check whether the rods, pulleys, ropes, etc. are fixed, and whether the binding is reliable. All unsafe factors within the lifting range must be removed. During lifting, a trial lifting should be carried out. When 200-300mm above the ground, the lifting should be stopped, and a comprehensive inspection of the lifting equipment should be conducted again. After confirming that there is no error, the lifting should continue to the required height. After fixing the air duct on the support and hanger, the rope can be loosened and the lifting equipment can be removed.
水平干管经找平找正并固定在支、吊架上后,就可进行支管的安装。立管可在水平干管安装前进行安装,支架间距不应大于4米,每根立管固定件不应少于二个。风管水平安装,水平度的允许偏差每米不应大于3毫米,总偏差不应大于20毫米,风管垂 直安装,垂直度的允许偏差每米不应大于2毫米,总偏差不应大于20毫米。
After leveling and aligning the horizontal main pipe and fixing it on the supports and hangers, the branch pipe can be installed. The riser can be installed before the installation of the horizontal main pipe. The spacing between supports should not be greater than 4 meters, and each riser should have at least two fasteners. For horizontal installation of air ducts, the allowable deviation for levelness should not be greater than 3mm per meter, and the total deviation should not be greater than 20mm. For vertical installation of air ducts, the allowable deviation for perpendicularity should not be greater than 2mm per meter, and the total deviation should not be greater than 20mm.

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