I. insufficient ventilation area of main exhaust pipe

　　根据工程经验，91短视频网站入口主91短视频三级片内风速不能超过15m/s，否则在运行一个时期以后很容易造成91短视频网站入口系统不通畅。在油烟净化器的运行实践中，大部分案例都是因91短视频网站入口91短视频三级片通风面积不足引起的不通畅，91短视频三级片内气体的流速都在15m/s以上。

　　According to engineering experience, the wind speed in the main smoke exhaust pipe should not exceed 15 m/s, otherwise the smoke exhaust system will be blocked easily after a period of operation. In the operation practice of lampblack purifier, most cases are caused by insufficient ventilation area of exhaust pipe, and the gas flow rate in the pipe is above 15m/s.

　　二、91短视频三级片截面积变小

　　II. Reduction of Pipeline Section Area

　　91短视频网站入口91短视频三级片由于要穿过建筑梁而使91短视频三级片通风截面积变小，截面上阻力增加，造成气流不通畅。

　　The ventilation cross-section area of the smoke exhaust pipeline is reduced and the resistance on the cross-section is increased due to the passage of the smoke exhaust pipeline through the building beams, resulting in the airflow obstruction.

　　三、排91短视频三级片使用后积聚物堆积

　　3. Accumulation after the use of drainage pipes

　　91短视频网站入口91短视频三级片在穿过建筑梁或躲避其它设备91短视频三级片时，91短视频网站入口91短视频三级片中的一段会低于整体91短视频网站入口91短视频三级片平面，在使用一段时间后，由于油水混合物会积聚在较低的那段91短视频网站入口91短视频三级片中，直接影响91短视频网站入口通畅。

　　When the smoke exhaust pipe passes through the building beam or evades other equipment pipelines, one section of the smoke exhaust pipe will be lower than the overall smoke exhaust pipe plane. After using for a period of time, the oil-water mixture will accumulate in the lower section of the smoke exhaust pipe, which directly affects the smooth smoke exhaust.

　　四、低层91短视频网站入口不顺畅

　　4. Smoke exhaust at low level is not smooth

　　不同楼层的厨房油烟通过同一主91短视频三级片排出，离出口近的楼层厨房91短视频网站入口效果较好，而较低楼层的厨房91短视频网站入口不通畅。

　　The kitchen fumes of different floors are discharged through the same main pipe. The smoke exhaust effect of the kitchen on the floor near the exit is better, while the smoke exhaust of the kitchen on the lower floor is not smooth.

　　以上内容由山东通风91短视频三级片加工厂家整理发布，更多详细内容可以点击91短视频版高清在线观看免费的官网进行咨询：http://www.weikebei.com/

　　The above contents are arranged and published by Shandong Ventilation Pipeline Processing Factory. For more details, please click on our official website for consultation: http://www.weikebei.com./