气力输送系统的设计：
Design of pneumatic conveying system:
气力输送系统的设计方法一般适用于低压吸引气力输送，而对于容积式的高压压送式主要是依靠实践经验进行，并结合在实际运行中的情况加以综合考虑来进行设计。
The design method of the pneumatic conveying system is generally applicable to the low-pressure suction pneumatic conveying, while the volumetric high-pressure pressure conveying system is mainly designed by relying on practical experience and considering the actual operation conditions.
低压吸引式气力输送方式多为低压和短距离输送，因而可以不考虑空气的压缩性，把气流速度及密度看做不变的进行计算。
The low pressure suction pneumatic conveying mode is mostly low pressure and short distance conveying, so the air compressibility can be ignored and the air velocity and density can be calculated as constant.
气力输送系统输送流程图
Flow chart of pneumatic conveying system
对于长距离的高压压送式气力输送，其输送压力高达几十万帕，空气的可压缩性则不可忽视。通常吸引式气力输送系统的设计计算方法如下：
For long distance high-pressure pneumatic conveying, the conveying pressure is as high as several hundred thousand Pa, and the compressibility of air cannot be ignored. Generally, the design calculation method of the suction pneumatic conveying system is as follows:
1、根据物料的特性以及阿基米德准数Ar来计算物料的悬浮速度。
1. The suspension velocity of the material is calculated according to the characteristics of the material and the Archimedes number Ar.
2、根据悬浮速度以及输送物料的不同情况下的经验系数，确定工作速度。
2. The working speed is determined according to the suspension speed and the empirical coefficient under different conditions of conveying materials.
3、根据输送形式所的混合比以及输送物料的量来决定输送空气量和输送管直径。
3. The amount of air to be conveyed and the diameter of the conveying pipe are determined according to the recommended mixing ratio of the conveying form and the amount of materials to be conveyed.
4、根据整个系统线路布置图，计算系统的压力损失。
4. Calculate the pressure loss of the system according to the circuit layout of the whole system.
5、根据求得的输送空气量和总压力损失选择合适的罗茨风机。
5. The appropriate Roots blower shall be selected according to the calculated delivery air volume and total pressure loss.
气力输送系统的主要部件有：输送管道、供料装置、气固分离设备和供气设备。
The main components of the pneumatic conveying system are: conveying pipeline, feeding device, gas-solid separation equipment and gas supply equipment.
吸送式、压送式相结合气力输送系统
Combined pneumatic conveying system of suction type and pressure type
The above is a detailed introduction to the design of Guangxi pneumatic conveying scheme. I hope it will be helpful to you. If you have any questions, please contact us. We will provide you with our attitude http://www.sddyfd.com/
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