粉体气力输送设备系统是利用风力将粉粒料在密闭的管道内从一个地方运输到另一个地方的运输方式。由于存在着占地面积小、粉尘少、基建投入少等优点，在各行各业被广泛应用。气力输送系统现在已经不单单是用来输送物料了，而是作为生产工艺过程中的一个环节，在进行物料输送的同时还可以进行粉碎、干燥、加热、冷却等操作。

Powder pneumatic conveying equipment system is a kind of transportation mode which uses wind to transport powder from one place to another in a closed pipe. It is widely used in all walks of life because of its advantages of small area, less dust and less capital investment. Pneumatic conveying system is now not only used to transport materials, but also as a link in the production process, which can carry out crushing, drying, heating, cooling and other operations at the same time.

粉体气力输送管道内固粒的运动状态既有滚动又有悬浮，同时还发生固粒与固粒、固粒与壁面的碰撞，固粒的旋转还产生举力，完全考虑这些问题是相当复杂的。长期以来人们已在该领域进行了大量的研究，但仍有许多问题没有得到很好解决，例如散状物料在管道中被气流带走的过程中固粒相互之间以及固粒同管壁发生碰撞，碰撞的结果使得固粒破碎以及造成管道磨损。为了减轻这些现象，可以降低输送气流的速度，但随之而来的是容易引起流动的不稳定性，其至堵塞。这就是造成粉体气力输送设备系统堵塞的原因。

The movement of solid particles in powder pneumatic conveying pipeline is not only rolling but also suspending. At the same time, solid particles collide with each other, solid particles collide with the wall. The rotation of solid particles also produces lifting force. It is quite complicated to fully consider these problems. For a long time, people have done a lot of research in this field, but there are still many problems that have not been solved well. For example, in the process of the bulk material being carried away by the air flow in the pipeline, the solid particles collide with each other and the solid particles collide with the pipe wall. The collision results in the breakage of the solid particles and the wear of the pipeline. In order to reduce these phenomena, we can reduce the speed of the conveying air flow, but it is easy to cause flow instability, which leads to blockage. This is the reason for the blockage of powder pneumatic conveying equipment system.

那么遇到粉体气力输送设备系统堵塞的问题，应该怎么样解决呢？下面，气力输送设备厂家为您解答。

So how to solve the problem of blockage of powder pneumatic conveying equipment system? Next, the pneumatic conveying equipment manufacturers answer for you.

常规排堵方法为用排堵阀进行排堵。排堵阀工作原理是利用灰斗内的负压将堵塞的输灰管道内积灰抽出，进行疏通排堵。由其原理可以看出将堵管的输灰管出料阀处于打开位置，打开排堵阀进行排堵。检查除灰空压机运行情况，排查管道是否有漏气，并及时向设备部维护人员报备处理；调节下灰时间，减少下灰量；加强除灰空压机、干燥机和储气罐的排水；如果上述方法都不能疏通堵塞管道，只有对输灰管进行间隔开口或拆开法兰口进行吹灰外排疏通，然后设备部维护人员重新装好输灰辅助管道。

The conventional method is to use the drain valve. The working principle of the plug valve is to use the negative pressure in the ash hopper to draw out the accumulated ash in the blocked ash conveying pipeline and dredge the plug. It can be seen from the principle that the discharge valve of the ash conveying pipe is in the open position, and the drain valve is opened to drain the blockage. Check the operation of the deashing air compressor, check whether there is air leakage in the pipeline, and report to the maintenance personnel of the equipment department for treatment in time; Adjust the time to reduce the amount of ash; Strengthen the drainage of the deashing air compressor, dryer and air storage tank; If the above methods can not dredge the blocked pipe, only the interval opening of the ash conveying pipe or the flange opening can be opened to dredge the soot blowing and discharging, and then the maintenance personnel of the equipment department can re install the auxiliary ash conveying pipe.

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