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排水管道堵塞问题是怎么进行?

来源:  发布时间:2021-05-20 17:01:15

管道疏通尤其对于大城市来讲,是比较常见的事情之一,因为都是高楼,所以管道疏通的方法有很多,今天就给大家讲讲管道疏通设备的一些介绍!
Pipeline dredging, especially for big cities, is one of the more common things, because they are high-rise buildings, so there are many ways to dredge the pipeline. Today, I'll give you some introduction of pipeline dredging equipment!
1.正压现象:污水立管底部的流量大,水平管的流速慢,立管底部的压力大于提升管底部的压力(正压力),这一正压力区将对立管底部的水封造成破坏。
1. Positive pressure phenomenon: the flow at the bottom of the sewage riser is large, the flow rate of the horizontal pipe is slow, and the pressure at the bottom of the riser is greater than that at the bottom of the riser (positive pressure), which will damage the water seal at the bottom of the riser.
因此,在安装管道时,连接冒口和冒口底部的小水平分支管应保持一定距离。在解决主楼底部溢流问题时,还利用了低水平支路与冒口底部之间的距离。结果表明,该方法是有效的:当建筑物数为在解决主楼底溢流问题时,我们同时利用了低水平支路与立管底之间的距离.结果表明,该方法是有效的时,以下距离(在解决主楼底溢流问题时,我们同时利用了低水平支路与立管底之间的距离.结果表明,该方法是有效的)等于或等于450 mm;当楼层数为5层或6层时,距离大于750 mm。
Therefore, when installing the pipeline, a certain distance should be kept between the riser and the small horizontal branch pipe at the bottom of the riser. When solving the overflow problem at the bottom of the main building, the distance between the low level branch and the bottom of the riser is also used. The results show that the method is effective: when the number of buildings is equal, we use the distance between the low-level branch and the bottom of the riser at the same time. The results show that when the method is effective, the following distance (in solving the problem of overflow at the bottom of the main building, we use the distance between the low-level branch and the bottom of the riser at the same time, This method is effective) is equal to or equal to 450 mm; When the number of floors is 5 or 6, the distance is greater than 750 mm.
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2.负压现象:卫生洁具同时排水时,管道内压力波动,节水弯道出口出现局部真空。当垂直管流量较大时,冒口上部形成负压吸力效应,破坏水封。因此,在选择管道时,应选择立管。
2. Negative pressure phenomenon: when the sanitary ware drains at the same time, the pressure in the pipe fluctuates, and the local vacuum appears at the outlet of the water-saving bend. When the flow rate of the vertical pipe is large, the negative pressure suction effect is formed on the upper part of the riser and the water seal is destroyed. Therefore, riser should be selected when selecting pipeline.
例如,UPVC螺旋管或大型铸铁管使污水管的壁,不会导致大量的塞在管道中形成水塞,或者在低水平分支管的部分增加气水分离装置,这是压力平衡保护管的有效措施。
For example, UPVC spiral pipe or large cast iron pipe make the wall of sewage pipe not cause a large number of plugs to form water plugs in the pipe, or add gas water separation device in the part of low water level branch pipe, which is an effective measure to protect the pressure balance pipe.
3.自虹吸现象:虹吸对虹吸排水的影响是由虹吸弯曲密封引起的,在妇幼活动主楼卫生用品的排水试验中,发现水平支坡的增加有利于水封的保护,因此,在设置水平支管时,对水封的保护是有益的。
3. Self siphon phenomenon: the influence of siphon on siphon drainage is caused by siphon bending seal. In the drainage test of sanitary products in the main building of maternal and child activity center, it is found that the increase of horizontal branch slope is conducive to the protection of water seal. Therefore, it is beneficial to the protection of water seal when setting horizontal branch pipe.
排水铸铁管应在"标准建筑给排水及供暖工程施工质量验收"中采用"一般斜坡",不应采用"小坡度"和"标准坡度"排水塑料管,"小坡度"。不应被采纳"。
The cast iron drainage pipe should adopt "general slope" in "standard building water supply and drainage and heating engineering construction quality acceptance", instead of "small slope" and "standard slope" plastic drainage pipe, "small slope". It should not be adopted.
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