压气力输送装置是一种利用负压原理进行物料输送的系统，其主要组成部分包括：

　　The pneumatic conveying device is a system that uses the principle of negative pressure to transport materials, and its main components include:

　　1. 负压风机：作为系统的动力源，提供负压以使物料在管道中流动。

　　1. Negative pressure fan: As the power source of the system, it provides negative pressure to make materials flow in the pipeline.

　　2. 输送管道：负责将物料从起点输送到目的地，通常由耐磨合金材料制成，以适应不同的输送环境。

　　2. Conveyor pipeline: responsible for transporting materials from the starting point to the destination, usually made of wear-resistant alloy materials to adapt to different conveying environments.

　　3. 物料输送阀：控制物料的流动，通过补气阀和灰量调节装置使灰斗内的灰与空气均匀混合，确保物料顺利进入输送管道。

　　3. Material conveying valve: controls the flow of materials, and uniformly mixes the ash in the ash hopper with air through the air supply valve and ash quantity adjustment device to ensure the smooth entry of materials into the conveying pipeline.

　　4. 进气止回阀：当管道内浓度过高时，自动打开，补入适量的空气以稀释物料浓度，防止堵管。

　　4. Inlet check valve: When the concentration in the pipeline is too high, it will automatically open and add an appropriate amount of air to dilute the material concentration and prevent pipe blockage.

　　5. 灰气分离设备：通常由旋风除尘器和布袋除尘器组成，用于将物料与空气分离，确保干净空气排放到大气中。

　　5. Ash gas separation equipment: usually composed of cyclone dust collectors and bag filters, used to separate materials from air and ensure clean air is discharged into the atmosphere.

　　6. 贮灰库及辅助设备：包括灰库、气化斜槽、卸料设备等，用于物料的储存和卸出。

　　6. Ash storage and auxiliary equipment: including ash storage, gasification chute, unloading equipment, etc., used for the storage and unloading of materials.

　　7. 控制系统：采用PLC程序控制，实现系统的自动运行，包括模拟或CRT显示、数据处理等功能。

　　7. Control system: Using PLC program control to achieve automatic operation of the system, including simulation or CRT display, data processing and other functions.

　　这些组成部分共同作用，形成一个完整的负压气力输送系统，广泛应用于电力、化工、铸造、燃煤电站、医药、建材、粮食、港口等行业，用于粉状物料的输送问题。

　　These components work together to form a complete negative pressure pneumatic conveying system, which is widely used in industries such as power, chemical, casting, coal-fired power plants, pharmaceuticals, building materials, grain, ports, etc., to solve the problem of conveying powdered materials.

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