安装通风管道时，先找标高，用电钻在墙上钻个洞，用预留给支架的孔埋好支撑架;水平并对齐组装好的管道，然后用固定螺栓固定。
When installing the ventilation pipe, first find the elevation, drill a hole on the wall with an electric drill, and bury the support frame with the hole reserved for the support; Level and align the assembled pipes and fix them with fixing bolts.
经过比较，如果是安装通风排烟管道，则通风管道和排烟管道应分开。两者的通风方向和位置不同。循环空气的质量比上一个好，所以不能使用相同的风道。一般有圆形和矩形两种通风管道，如果是圆形管道，则使用平均直径。
After comparison, if the ventilation and smoke exhaust pipes are installed, the ventilation pipes and smoke exhaust pipes should be separated. The ventilation direction and position of the two are different. The quality of circulating air is better than the previous one, so the same air duct cannot be used. Generally, there are two types of ventilation ducts: circular duct and rectangular duct. If it is circular duct, the average diameter shall be used.
厨房排烟管道存在的问题：
Problems of kitchen smoke exhaust pipe:
1、烟流不易排出
1. The smoke flow is not easy to discharge
烟道中的油渍残留在烟罩和烟道表面。时间长了会形成油垢。简单的清洁是无法去除的。这会影响抽油烟机和烟道的使用，并使排烟困难。
The oil stain in the flue remains on the hood and flue surface. Oil dirt will form over time. Simple cleaning cannot be removed. This will affect the use of the range hood and flue, and make it difficult to smoke.
2、极易发生火灾
2. Extremely prone to fire
厨房的炊烟在油烟机和油烟机内的气压管积油后，当灶具工作时，炉头的火焰会飞上来，进入油烟机排烟油烟管。很容易在油烟机和管道里面挑起油来，引起火灾。
After the kitchen smoke accumulates oil in the range hood and the air pressure pipe in the range hood, when the stove is working, the flame at the stove head will fly up and enter the smoke exhaust pipe of the range hood. It is easy to pick up oil in the range hood and pipes, causing fire.
厨房排烟管清洗方法是什么，如何清洗?
What is the cleaning method of kitchen smoke exhaust pipe and how to clean it?
1、拆卸法：此法是一种综合有效的清洗方法，但施工难度大，工人数量多，成本较高。
1. Dismantling method: This method is a comprehensive and effective cleaning method, but it is difficult to construct, has a large number of workers, and has high cost.
油烟管清洗方案是：技术人员根据油烟管清洗的实际情况，计算出一段油烟管在一定距离处拆下，然后向两个方向延伸清洗，确保彻底清洗。清洁，确保清洁质量。
The cleaning plan of the lampblack pipe is: the technician calculates a section of lampblack pipe to be removed at a certain distance according to the actual situation of the lampblack pipe cleaning, and then extends the cleaning in two directions to ensure thorough cleaning. Clean to ensure the cleaning quality.
2、开孔法：这种方法比拆解法容易，成本也比较低，但是清洗效果比较不同。
2. Opening method: This method is easier than disassembly method, and the cost is lower, but the cleaning effect is different.
具体方法是：技术人员计算开孔的间隔距离、位置、大小和数量，通过这些孔在油烟管中清洗油烟管。然后密封每个孔。
The specific method is: technicians calculate the interval distance, position, size and quantity of openings, and clean the oil smoke pipe in the oil smoke pipe through these holes. Then seal each hole.
3、机械设备法：此法操作简单，难度小，工作量小，成本低，但同时清洗效果也较差，但对于油烟管道的垂直清洗，清洗周期为不到半年时间，这种El Camino清洗无疑是更好的选择。
3. Mechanical equipment method: This method is simple in operation, small in difficulty, small in workload, and low in cost, but the cleaning effect is also poor at the same time. However, for the vertical cleaning of lampblack pipes, the cleaning cycle is less than half a year. This El Camino cleaning is undoubtedly the best choice.
具体方法是：化油器喷入油烟管后，可延伸油烟管。
The specific method is: after the carburetor is sprayed into the oil fume pipe, it can be extended to the oil fume pipe.
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