气力输送设备归于密相中压气力输送，适用于不易破碎颗粒、粉料物料的运送。气力输送广泛应用于铸造、化工、医药、粮食的职业。

Pneumatic conveying equipment belongs to dense phase medium pressure pneumatic conveying and is suitable for the transportation of non easily broken particles and powder materials. Pneumatic conveying is widely used in professions such as casting, chemical engineering, medicine, and grain production.

气力输送是使用气流的能量，在密闭管道内沿气流方向运送颗粒状物料，是流态化技能的一种具体应用。气力输送设备的结构简略，操作便利，可作水平的、笔直的或歪斜方向的运送，在运送进程中还可一起进行物料的加热、冷却、枯燥和气流分级等物理操作或某些化学操作。

Pneumatic conveying is a specific application of fluidization technology that uses the energy of airflow to transport granular materials along the direction of airflow in a closed pipeline. The structure of pneumatic conveying equipment is simple, easy to operate, and can be used for horizontal, straight, or skewed transportation. During the transportation process, it can also perform physical operations such as heating, cooling, drying, and air flow classification, as well as certain chemical operations together.

气力输送系统

Pneumatic conveying system

气力输送的首要特点是运送量大，运送间隔长，运送速度较高;能在一处装料，然后在多处卸料。依据颗粒在运送管道中的密布程度，气力输送分为：

The primary characteristics of pneumatic conveying are large transport volume, long transport interval, and high transport speed; It can be loaded in one place and unloaded in multiple places. According to the density of particles in the transport pipeline, pneumatic conveying is divided into:

1、稀相运送：固体含量低于1-10kg/m3，操作气速较高(约18～30m/s)，运送间隔基本上在300m 以内。现老练设备料封泵来说，运送操作简略无机械滚动部件，运送压力低，无修理、免保护!

1. Dilute phase transportation: Solid content below 1-10kg/m3, high operating gas velocity (about 18-30m/s), transportation interval is basically within 300m. For experienced equipment such as sealed pumps, the transportation operation is simple without mechanical rolling parts, the transportation pressure is low, there is no repair, and no protection is required!

2、密相运送：固体含量10-30kg/m3或固气比大于25的运送进程。操作气速较低，用较高的气压压送。 现老练设备仓泵，运送间隔达到500m 以上，适合较远间隔运送，但此设备阀门较多，气动、电动设备多。运送压力高，一切管道需用耐磨材料。

2. Dense phase transportation: transportation process with solid content of 10-30kg/m3 or solid gas ratio greater than 25. Operate at a lower air speed and use a higher air pressure for delivery. The experienced equipment warehouse pump has a transportation interval of over 500m and is suitable for long-distance transportation. However, this equipment has many valves and pneumatic and electric equipment. The transportation pressure is high, and all pipelines require wear-resistant materials.