Ventilation pipeline engineering refers to a series of projects carried out to ensure indoor air quality and comfort, conveying fresh air indoors or expelling polluted air outdoors. Ventilation pipeline engineering usually includes knowledge in the following aspects:

通风系统设计：通风系统设计需要根据建筑物的使用功能、人员密度、空气污染程度等因素进行评估和计算。设计过程中需要确定通风系统的空气流量、送风温度、换气次数等参数，并选择合适的通风设备和管道布局。

Ventilation system design: Ventilation system design needs to be evaluated and calculated based on factors such as building functionality, personnel density, and air pollution level. During the design process, it is necessary to determine the air flow, supply air temperature, Air changes per hour and other parameters of the ventilation system, and select appropriate ventilation equipment and pipeline layout.

通风设备：通风设备包括送风机、排风机、空调设备等。这些设备选型需要考虑空气流量、静压损失、噪音控制等因素，并符合相关的规范和标准。

Ventilation equipment: Ventilation equipment includes supply fans, exhaust fans, air conditioning equipment, etc. The selection of these equipment needs to consider factors such as air flow rate, static pressure loss, noise control, and comply with relevant specifications and standards.

通管道材料：通风管道通常采用金属材料如镀锌钢板、不锈钢板等，也可以使用塑料材料如氯乙烯（PVC）管道。材料的选择需考虑气流速度、防腐性能、效果等因素。

Material of ventilation pipes: Ventilation pipes are usually made of metal materials such as galvanized steel plate, stainless steel plate, etc., and plastic materials such as vinyl chloride (PVC) pipes can also be used. The selection of materials needs to consider factors such as airflow speed, anti-corrosion performance, and energy-saving effects.

4.道布局与连接：通风管道的布局应合理并尽减小阻力，以提高通风效果。在布局中需注意避开障碍物，合理设置弯头、分支管道等，并证管道的连接紧密、无渗漏。

4. Layout and connection of ventilation ducts: The layout of ventilation ducts should be reasonable and minimize resistance to improve ventilation efficiency. In the layout, attention should be paid to avoiding obstacles, reasonably setting elbows, branch pipes, etc., and ensuring that the pipes are tightly connected and leak free.

通风系统试与运行：通风系统安装完毕后需要进行调试和检测，确保各项参数与设计要求一致。运行过程需要定期维护和清洁通风设备和管道，及时排除故障并保持系统的正常运行。

Ventilation system trial and operation: After the installation of the ventilation system, it is necessary to conduct debugging and testing to ensure that all parameters are consistent with the design requirements. The operation process requires regular maintenance and cleaning of ventilation equipment and pipelines, timely troubleshooting, and maintaining the normal operation of the system.

以上是通风管工程相关的一些知识点，具体实施中还需根据不同建筑物的特点和要求进行具体设计和施工

The above are some knowledge points related to ventilation pipe engineering, and specific design and construction should be carried out according to the characteristics and requirements of different buildings during the implementation

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This article is provided by Jinan Ventilation Pipeline, and our website is: http://www.jntfgd.com We will provide you with wholehearted enthusiasm and welcome your visit!