说到检查镀锌风管漏风量这个常识，咱们大家要有个意识就是这是关联到全部镀锌风管是否更有效的被利用的要害性因素。所以说咱们一定要对其进行良好的测试后再对其进行利用。特别须要留神到的是咱们在丈量该镀锌风管的漏风量的时候在晚上进行，保障四处环境较暗，将100W带维护罩的低压照明灯置于风管内侧或外侧，沿检测部位与接缝作缓慢挪动，在另一侧进行察看，当发明有光芒射出，则说明查到明显漏风部位，并作好记录。
Speaking of the common sense of checking the air leakage rate of galvanized air ducts, we should first be aware that this is a crucial factor related to whether all galvanized air ducts can be used more effectively. So we must test it well before using it. It is particularly important to note that we measure the air leakage of the galvanized air duct at night to ensure that the environment around is dark. Place the 100W low-voltage lighting lamp with maintenance cover on the inside or outside of the air duct, move slowly along the detection part and joint, and observe on the other side. If there is light emitting, it means that the obvious air leakage part is found and recorded.
镀锌风管市场上按材质个别分为三类：镀锌镀锌风管、不锈钢镀锌风管以及复合镀锌风管。其中，不锈钢风管品质较好，实用性强，但高。
The galvanized air duct market is divided into three categories by material: galvanized air duct, stainless steel galvanized air duct and composite galvanized air duct. Among them, the stainless steel air duct has good quality and strong practicability, but its price is high.
市场畅广的镀锌风管是镀锌板的。镀锌板镀锌风管，基本是不锈钢镀锌风管的特点，然而只有不锈钢风管的三分之二甚更低。复合镀锌风管个别利用在外界环境较为个别，对风管请求不太高的场合。
The galvanized air duct with smooth market is made of galvanized sheet. Galvanized sheet galvanized air duct is basically the feature of stainless steel galvanized air duct, but the price is only two-thirds of that of stainless steel air duct or even lower. Composite galvanized air duct is used individually in the external environment where the requirements for air duct are not high.
镀锌风管在很多排风体系中都有利用。竞赛大厅的空调送风管为双层保温型圆形镀锌风管1400mm及1600mm,共计12条，送风方法采取126个630mm球形喷口从四处向馆内送风，对此采取了镀锌风管整体吊装技巧。
Galvanized air duct is used in many exhaust systems. The air conditioning air supply pipes in the competition hall are 1400mm and 1600mm double insulated circular galvanized air pipes, totaling 12. The air supply method is to use 126 630mm spherical nozzles to supply air from four places to the hall. For this, the overall hoisting technique of galvanized air pipes is adopted.
镀锌风管及球形喷口安排示意2施工工艺流程装置风管支架、风管分类编号、搭设风管组装平台→装置风管法兰→将风管吊到平台上组装→丈量主风管水平线→丈量成排风口线→风口三通开口→风口短管装置与保温→风口装置→风口支架装置→风管抱箍支架装置→葫芦装置→[10加固托架及吊装绳装置→风管吊管→风管支架装置及调剂。
Galvanized air duct and spherical nozzle arrangement diagram 2 Construction process unit air duct support, air duct classification number Erect the air duct assembly platform → install the air duct flange → lift the air duct to the platform for assembly → measure the central horizontal line of the main air duct → measure the central line of the air outlet → open the three-way air outlet → short pipe device and insulation of the air outlet → air outlet device → air outlet support device → air duct hoop support device → hoist device → [10 reinforcement bracket and lifting rope device → air duct hanger → air duct support device and dispensing.
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