气力输送装置的结构简单，操作方便，可作水平的、垂直的或倾斜方向的输送，在输送过程中还可同时进行物料的加热、冷却、干燥和气流分级等物理操作或某些化学操作。

The structure of the pneumatic conveying device is simple and easy to operate. It can be used for horizontal, vertical, or inclined conveying. During the conveying process, it can also perform physical operations such as heating, cooling, drying, and air flow classification, as well as certain chemical operations.

为何装备制造能成为气力输送设备采购商最大的市场，在2019年占比接近总市场的20%。由于实际需要不同，气力输送系统包含不同部件（即气源系统、喂料装置、管道部件和料气分离装置），采用负压或是正压设计，以期实现连续输送或分批输送等设计要求。设备在实际生产中的多变性要求气力输送设备厂商推陈出新，不断改良进步。与此同时，也给设备产商们带来了广阔的市场前景。

Why equipment manufacturing has become the largest market for pneumatic conveying equipment purchasers, accounting for nearly 20% of the total market in 2019. Due to different practical needs, pneumatic conveying systems consist of different components (i.e. gas source system, feeding device, pipeline components, and material gas separation device), designed with negative or positive pressure to achieve design requirements such as continuous or batch conveying. The variability of equipment in actual production requires manufacturers of pneumatic conveying equipment to constantly innovate and improve. At the same time, it also brings broad market prospects to equipment manufacturers.

而源于气力输送密闭无污染、占地面积小、灵活自由、自动化程度高等优点，气力输送也被用于多种其他行业。如非金属矿、化工、食品，建材等行业，在2019年气力输送设备行业，分别占据市场份额10%、10%、8%、7%。随着环保力度的加大、气力输送技术的进一步发展，预估在这些行业气力输送设备将占据更大的市场份额。

Due to its advantages of being sealed and pollution-free, occupying a small area, flexible and free, and highly automated, pneumatic conveying has also been used in various other industries. Industries such as non-metallic minerals, chemicals, food, and building materials held market shares of 10%, 10%, 8%, and 7% respectively in the pneumatic conveying equipment industry in 2019. With the increasing environmental protection efforts and further development of pneumatic conveying technology, it is estimated that pneumatic conveying equipment will occupy a larger market share in these industries.

气力输送按工作原理大致可分为吸送式与压送式两种类型。吸送式气力输送，是将大气与物料一起吸入管道内，用低气压力的气流进行输送。压送式气力输送，是用高于大气压力的压缩空气推动物料进行输送。

Pneumatic conveying can be roughly divided into two types based on its working principle: suction conveying and pressure conveying. Suction type pneumatic conveying is the process of sucking air and materials together into a pipeline and conveying them using low-pressure airflow. Pressure fed pneumatic conveying is the use of compressed air at a pressure higher than atmospheric pressure to push materials for transportation.

而数据显示，市场并未偏爱某类气力输送装置，负压吸送类、真空类、压送类各自占据着不同市场销售额，未出现一家独大的“垄断”状况。这一方面是由于不同输送方式具备不同特点，适用于不同领域的不同要求；另一方面是由于中国产业链众多，行业的生产集中度低，无法形成整合态势。

However, the data shows that the market does not favor a certain type of pneumatic conveying device. Negative pressure suction, vacuum, and pressure conveying products each occupy different market sales, and there is no monopoly situation where one company dominates. On the one hand, this is because different conveying methods have different characteristics and are suitable for different requirements in different fields; On the other hand, due to the numerous industrial chains in China, the concentration of industry production is low, making it difficult to form an integrated situation.

在气力输送系统百花齐放的同时，气力输送系统的设备也逐渐走向精细化。一套完整的气力输送系统主要是由四大部分组成，分别为气源系统、喂料装置、管路系统以及料气分离除尘设备。

Along with the flourishing of pneumatic conveying systems, the equipment of pneumatic conveying systems is gradually moving towards refinement. A complete pneumatic conveying system mainly consists of four parts, namely the gas source system, feeding device, pipeline system, and material gas separation and dust removal equipment.

输送系统中设备的磨损和系统的可靠性问题在很大程度上影响着该输送系统的经济性，这一点必须引起注意。不同系统由不同单元设备组成，部件的性能又分别影响各个系统的经济性能与实际运行的可靠性。

The wear and tear of equipment in the conveying system and the reliability of the system greatly affect the economy of the conveying system, which must be taken into account. Different systems are composed of different unit devices, and the performance of their components affects the economic performance and actual operational reliability of each system.

基于此，近年来气力输送设备对单部件的要求越来越高，在这一进程中不断有优秀、品质可靠的气力输送单部件产品不断涌现，如鼓风机、旋转阀、管道连接件及压送罐等。

Based on this, in recent years, the requirements for single components in pneumatic conveying equipment have become increasingly high. In this process, excellent and reliable pneumatic conveying single component products continue to emerge, such as blowers, rotary valves, pipeline connectors, and pressure feeding tanks.

近年来，国家对于环保的治理越来越重视，企业的粉尘污染逐渐被国家环保部门列为重点治理对象。由于气力输送完全密封的特性，物料不会逸散，使用物料气力输送系统能够通过国家审核标准，加上物料气力输送的结构简单，不易损坏、使用年限长，从而得到了更多企业的信赖与喜欢。希望我国气力输送技术越发进步，行业发展越发兴盛。

In recent years, the government has attached increasing importance to environmental protection governance, and dust pollution from enterprises has gradually been listed as a key target of governance by the national environmental protection department. Due to the completely sealed characteristics of pneumatic conveying, materials will not escape. The use of material pneumatic conveying systems can pass national audit standards. In addition, the structure of material pneumatic conveying is simple, not easily damaged, and has a long service life, thus gaining the trust and favor of more enterprises. I hope that China's pneumatic conveying technology will continue to advance and the industry will develop more vigorously.

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