Energy consumption and stability are two key factors affecting the equipment transportation of powder pneumatic conveying system. Energy consumption is the power consumption of the powder moving in the pipeline with the transported gas, that is, the pressure drop; That is, the stability of the transportation process. Unstable transportation may lead to blockage and make the transportation unable to proceed normally. Therefore, to study the long-distance pneumatic conveying of powder pneumatic conveying system equipment is to study how to reduce energy consumption and maintain the stability of conveying.

1.能耗

1. Energy consumption

能耗是气力输送系统设备过程中的功率消耗(压降)。降低能耗可以降低单位输送长度的压降，增加输送距离。气力输送的压降与许多因素有关。不同种类、粒度和水分含量的粉体有不同的气力输送规律。对于同一种粉体，粒度及其分布、水分含量是影响粉体流动性的主要因素。粒度越小，分布越广，水分含量越高，其流动性越差，气力输送就越困难。

Energy consumption is the power consumption (pressure drop) in the process of pneumatic conveying system equipment. Reducing energy consumption can reduce the pressure drop per unit conveying length and increase the conveying distance. The pressure drop of pneumatic conveying is related to many factors. Different types, particle sizes and moisture contents of powders have different pneumatic conveying laws. For the same powder, particle size and its distribution and moisture content are the main factors affecting the fluidity of the powder. The smaller the particle size, the wider the distribution, the higher the moisture content, the worse the fluidity, and the more difficult the pneumatic conveying.

气力输送系统设备

Pneumatic conveying system equipment

2.稳定性

2. Stability

气力输送系统设备输送的表观气速沿管道不断变大，气固两相流的流型也随之变化。当输送气速下降到密相稳态输送的边界时，会形成不稳定的沙丘流，表现为压力波动变大，输送气速不断降低，物料会沿管道堆积，直堵塞管道。因此，研究粉体气力输送的稳定性，保持输送系统处于稳定状态，对实现长距离气力输送具有重要意义。

The apparent gas velocity transported by pneumatic conveying system equipment increases along the pipeline, and the flow pattern of gas-solid two-phase flow also changes. When the conveying gas velocity drops to the boundary of dense phase steady-state transportation, an unstable dune flow will be formed, which shows that the pressure fluctuation becomes larger, the conveying gas velocity decreases continuously, and the materials will accumulate along the pipeline until the pipeline is blocked. Therefore, studying the stability of powder pneumatic conveying and keeping the conveying system in a stable state is of great significance to realize long-distance pneumatic conveying.

影响粉体气力输送系统设备输送的两个关键因素是能耗和稳定性。能耗是粉体随输送气体在管道中运动的功耗，即压降;即运输过程的稳定性，运输不稳定可能导致堵塞，使运输无法正常进行。因此，研究粉体的长距离气力输送，就是研究如何降低能耗，保持输送的稳定性。

Energy consumption and stability are two key factors affecting the equipment transportation of powder pneumatic conveying system. Energy consumption is the power consumption of the powder moving in the pipeline with the transported gas, that is, the pressure drop; That is, the stability of the transportation process. Unstable transportation may lead to blockage and make the transportation unable to proceed normally. Therefore, the study of long-distance pneumatic conveying of powder is to study how to reduce energy consumption and maintain the stability of conveying.

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The above is the detailed introduction of Jiangsu pneumatic conveying equipment. I hope it will be helpful to you If you have any questions, please contact us We will provide you with professional service http://www.sddyfd.com/