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怎么防止塑料井管网堵塞?

作者: admin    来源:http://www.laobingguandao.com  时间:2019-09-04    人气:
  塑料检测井在排水系统中起着重要的作用。有什么方法能有效防止塑检井管网堵塞?下面,我们将分析排水管网的影响因素、原理和解决方案。
  Plastic testing wells play an important role in drainage system. What methods can effectively prevent the blockage of the plastic inspection well pipe network? Next, we will analyze the influencing factors, principles and solutions of the drainage pipe network.
  影响管网水力的因素有很多
  There are many factors affecting the hydraulic performance of pipeline network.
  (1)井座导流通道不合理,不畅通;
  (1) The guide passage of the well seat is unreasonable and not smooth;
  (2)管道与探井采用插补连接;
  (2) Pipeline and exploration well are connected by interpolation.
  (3)管径变化采用普通管径变化接头。
  (3) The common pipe diameter change joint is used for pipe diameter change.
  在管道填充度低的情况下,水流会下降,造成水头损失较大。
  When the filling degree of the pipeline is low, the water flow will decrease and the head loss will be large.
  排水系统原理
  Principle of drainage system
双扣聚氯乙烯增强管
  排水管网的机理是重力流。在管道设计中,管道的坡度和深度的平衡是一个关键问题。坡度越高,排水能力和效率越好,但这也会增加管道的深度。管道埋深与施工成本和运行成本成正比。正常设计坡度值范围为0.3%~0.5%。
  The mechanism of drainage network is gravity flow. In pipeline design, the balance of gradient and depth of pipeline is a key problem. The higher the slope, the better the drainage capacity and efficiency, but this will also increase the depth of the pipeline. Pipeline burial depth is proportional to construction cost and operation cost. The normal design gradient ranges from 0.3% to 0.5%.
  在设计导流槽结构时,为了保证所有的流量都向下游的出流方向偏转,必须避免流入被抵消。特别是当有两根或两根以上的管道进入渠道时,导流渠道的设计更加精巧。导流槽采用左、中进水口、右、中进水口、左、右进水口设计成不同结构。井筒最右导流通道不清,流动端面易受扰动。当水流向左右两个方向时,很容易产生树篱,从而造成水头的巨大损失,导致污水滞留。当只有左右两个方向有水流时,没有导流槽的导向作用,很难从中间流出。污水管网设计的核心指导原则之一是将污水尽快排入指定的排污口。没有明确的导流渠道,很难达到设计的效果。
  In the design of diversion channel structure, in order to ensure that all flow is deflected downstream, it is necessary to avoid the inflow being offset. Especially when two or more pipes enter the channel, the design of diversion channel is more exquisite. The diversion channels are designed with different structures of left, middle, right, middle, left and right intakes. The rightmost diversion channel of the wellbore is not clear, and the flow end surface is easily disturbed. When the water flows in both right and left directions, it is easy to produce hedges, which will cause huge head losses and lead to sewage retention. When there are only two directions of water flow, it is difficult to flow out of the middle without the guiding effect of the diversion channel. One of the core guiding principles of sewage network design is to discharge sewage into designated outlets as soon as possible. Without a clear diversion channel, it is difficult to achieve the design effect.

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