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    真空集便器的优势在哪里

    2019-04-04
     一直以来,铁路上的厕所给人的觉得就是脏、乱、响,特别是许多年来都是直排,不光列车上的旅客觉得不舒适,更影响到铁路沿线的居民和在线路上打工的职工。
          如今,车体上都换成了真空集便器。这种改造当时的厕所益处一是不会再向沿途间接排放粪便,不会对沿线四周环境形成净化,也不会被在线路上打工的职工不小心踩到,二是浪费了少量的水。由于冲水用量十分少,次要是靠集便箱内的负压把污物抽下去。可以说这种设计的初衷十分好,效果也不错。 
          但是列车乘务员都惧怕集便器被杂物堵住,一但堵住后,清算起来极费事。由于下水口直径也只要三厘米左右,有异物掉下去之后捅不下去又勾不下去。设计这麼小的下水口的初衷应该是负压较小,假如口设计太大,压强小抽不下去东西。3厘米的直径是思索极小无效压强与粪便大小互相妥协的后果,但在理论运用中,却十分易堵难疏。根本上都要对方便的旅客重复提示不能往里扔东西,可是依然屡堵不


    All along, toilets on railways give people the impression that they are dirty, chaotic and noisy. Especially for many years, they have been in a straight line. Not only do passengers on trains feel uncomfortable, but they also affect the residents along the railways and the workers who work on the lines.
    Nowadays, the car body is replaced by vacuum toilet collector. The advantages of this kind of restroom at that time were that it would no longer discharge manure indirectly along the way, would not purify the surrounding environment along the line, would not be inadvertently trampled by workers working on the line, and wasted a small amount of water. Because the amount of flushing water is very small, the sewage is pumped out by the negative pressure in the urinal. It can be said that the original intention of this design is very good, and the effect is also good.
    But train attendants are afraid that the toilet collector will be blocked by debris, but once blocked, it will be very difficult to liquidate. Because the diameter of the sewer is only about three centimeters, foreign bodies can not be pinched and hooked after falling. The original intention of designing such a small outlet should be to have a smaller negative pressure. If the outlet design is too large, the pressure is too small to drain things. The diameter of 3 cm is the result of thinking about the compromise between the minimum invalid pressure and the size of feces, but it is very easy to plug in the application of theory. Fundamentally, it is necessary to repeat reminders to convenient travelers that they can't throw things in, but they are still frequently blocked.
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