通风管道是工业与民用建筑的通风与空调工程用金属或非金属管道，是为了使空气流通，降低有害气体浓度的一种市政基础设施。对于比较复杂的民用建筑，在设计阶段，各工种暖通、给水排水，供电照明与建筑应协商好空间分隔，定出每种管道的标高范围。一般情况下不得越出给自己规定的界限。遇有个别管段要越界时应与其他工程协商。
Ventilation pipe is a metal or nonmetal pipe for ventilation and air conditioning engineering in industrial and civil buildings. It is a municipal infrastructure for making air circulation and reducing harmful gas concentration. For more complex civil buildings, at the design stage, all kinds of HVAC, water supply and drainage, power supply lighting and building should first negotiate space separation and determine the elevation range of each pipeline. The general case not set himself beyond the boundaries. In case there is a separate section to cross the boundary, we should negotiate with other projects.
解决各种通风管道相碰及协调的原则，一般为：“小管让大管，有压让无压”。例如，自来水管与风管相撞，则应当自来水管拐弯。冷、热水管与下水管相碰，则应改变冷、热水管道。
To solve all kinds of ventilation pipe collide and coordination principle, generally: "let the pressure get tubular bassoon, no pressure". For example, the water pipe and the wind pipe collide, then the tap water pipe should be turned. The cold and hot water pipes and water pipes together, should change the cold and hot water pipe.
通风管道施工前应设备总管的工程师，将各工种的管线，单线画在一张平面图上。每种管道用一种彩色笔。在各交点处综合其标高，看是否有矛盾之处，及时发现，将问题解决在安装之前。为了减少投资，节省空间，降低层高，有些敷设无坡度要求的管道，可以穿梁敷设。
Before the construction of a ventilation pipe, the engineer of the general pipe of the equipment shall draw the lines of the various types of work and the single line on a plane map. Each type of pipe is used with a color pen. In each point of the intersection of its elevation, see if there is any contradiction, timely discovery, the problem is solved before the installation. In order to reduce investment, save space and reduce the height of layers, some pipes that are laid without slope can be laid by beams.
做好工业通风工作，一方面能够改善生产车间及周围的空气条件，防止职业病的产生、保护人民健康、提高劳动生产率；
Doing well in industrial ventilation can improve the air condition of production workshop and surrounding area, prevent occupational disease, protect people's health and increase labour productivity.
另一方面可以保证生产正常运行，提高产品质量。随着工业的不断发展，散发的工业有害物的种类和数量日益增加，大气污染已经成为了一个全球性的问题。如何做好工业通风，职业健康管理以及环境保护是我们工作人员的意向重要职责。通过本周的工业通风与除尘大作业的学习，学会通风管道系统的设计计算，了解通风管道系统包括通风除尘管道、空调管道等，是通风除尘和空气调节系统的重要组成部分，它把通风进风口，空气的热湿及净化处理设备，送排风口，部件和风机连成一个整体，使之有效运转。
On the other hand, it can ensure the normal operation of the production and improve the quality of the product. With the continuous development of industry, the variety and quantity of industrial hazardous materials are increasing, and air pollution has become a global problem. How to do a good job of industrial ventilation, occupational safety and health management and environmental protection is an important duty of our safety staff. Through this week's industrial ventilation work study, design and calculation to ventilation system, ventilation system including understanding ventilation duct, air duct, is an important part of ventilation and air conditioning systems, the ventilation air inlet, air heat and moisture and purification equipment, supply and exhaust the air blower, and parts into a whole, and make it work efficiently.
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