通风管道在多层建筑中必不可少，应用一段时间后是要开展清洗维护保养工作中的，实际有什么方式呢？
Ventilation duct is indispensable in multi-storey buildings. After a period of application, it is necessary to carry out cleaning and maintenance work. What are the actual ways?
1、工业设备法：此方法非常容易实际操作、难度系数小、劳动量小、花费低的通风管道清洗方法，但清洗功效另外也是太差的。清洗周期时间为大半年下列的竖通风管道清洗，这类清洗方法毫无疑问是非常好的选择。
1. Industrial equipment method: this method is very easy to operate, the difficulty coefficient is small, the amount of labor is small, the cost is low, but the cleaning effect is also too poor. This kind of cleaning method is undoubtedly a very good choice for the vertical ventilation pipe cleaning whose cleaning cycle time is less than half a year.
操作步骤：向通风管道内喷撒化除油剂后，用能够伸进通风管道内长达30米的电动式软轴刷和气动式软轴刷对济南市通风管道内腔开展清洗。通风管道清洗方案是：技能员工根据通风管道清洗具体情况，计算出每过必然间距拆卸一节通风管道并向2个方位拓宽清洗，以保证清洗彻 底，保证清洗的品质。
Operation steps: after spraying deoiling agent into the ventilation pipe, clean the inner cavity of Jinan ventilation pipe with electric flexible shaft brush and pneumatic flexible shaft brush which can reach 30 meters into the ventilation pipe. The cleaning scheme of ventilation pipe is: according to the specific situation of ventilation pipe cleaning, the skilled staff can calculate the necessary distance to dismantle a section of ventilation pipe and broaden the cleaning to two directions, so as to ensure the thorough cleaning and the quality of cleaning.
2、拆卸法：此方法是彻 底、清洗功效不错的清洗方法，但工程施工难度系数大，职工量也大，另外花费也相对性较高。
2. Disassembly method: this method is a thorough cleaning method with good cleaning effect, but the difficulty coefficient of engineering construction is large, the number of workers is large, and the cost is relatively high.
济南通风管道加工
Jinan ventilation pipe processing
1、送冷气机：广泛的是家庭装家用中 央空调的管道，螺旋式风管可内贴隔热保温原材料，表层看来别具一格。
1. Supply air conditioner: it is widely used for household central air conditioning. The spiral air duct can be pasted with heat insulation raw materials, and the surface layer seems unique.
2、排油烟。餐饮店、酒店餐厅、酒店餐厅的厨房餐厅均有很多油烟导致，务必排出去，运用环状的通风风管就是油烟囱。在这儿，螺旋式风管也可称之为油烟管。
2. Exhaust oil fumes. There are a lot of oil fumes in restaurants, hotel restaurants, kitchens and restaurants of hotel restaurants. It is necessary to exhaust them. The annular ventilation duct is the oil chimney. Here, the spiral duct is also called the lampblack duct.
3、除尘。一些制造厂生产流水线很多尘土，除尘装置，在这其中风 流量非常大的管道，可运用螺旋式风管。
3. Dust removal. There are a lot of dust and dust removal devices in the production line of some manufacturers. Spiral air pipes can be used for the pipes with large air flow.
通风管道的功效。
The effectiveness of ventilation ducts.
1.减少实际操作负压力。在冬天，假如鸡棚内沒有安裝通风管道，应应用小窗子自然通风，特别是在跨距很大的鸡棚内，应选用高负压力自然通风，便于有用、安 全性地引风机。通风管道的应用，是由于管道中的送风大部分不是外扩散的，低负压力是依照管道的方位，风从接口处先后根据。
1. Reduce the negative pressure of actual operation. In winter, if there is no ventilation pipe installed in the chicken shed, small windows should be used for natural ventilation, especially in the chicken shed with large span, high negative pressure natural ventilation should be selected to facilitate the use and safety of induced draft fan. The application of ventilation duct is due to the fact that most of the air supply in the duct is not externally diffused, and the low negative pressure is in accordance with the direction of the duct, and the wind is successively distributed from the interface.
2、部位高，风速匀称。尽管进到的气体在管道中沒有被加热，可是降低部位高，往下外扩散的时间就是加热全过程。
2. The position is high and the wind speed is even. Although the incoming gas is not heated in the pipeline, the whole process of heating is the time when the lower part is high and the gas diffuses downward and outward.
3.散热风扇配备有用。在打开散热风扇的原始环节，因为设计方案难题，进气窗应用不安 全。
3. The cooling fan is equipped with a cooling fan. In the original part of opening the cooling fan, because of the design problem, the application of the air inlet window is not safe.
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