The top dust collector is a device used on the top of the warehouse to separate dust from the flue gas, called a dust collector or dust removal equipment. The silo top dust collector is widely used in mining, metallurgy, building materials, machinery, chemical, grain processing and other industrial and mining enterprises to filter small, non fibrous dry dust in the gas or to recover dry powder in the process flow. It is a dust removal equipment mainly used in large-scale mechanical equipment such as stirring.

仓顶除尘器与其他行业用的除尘器不同的地方为，仓顶除尘器不需要灰斗储灰，仓顶除尘器过滤清灰下来的粉尘会再次掉落到灰仓内，回收利用。而其他行业用的除尘器会把过滤清灰下来的粉尘在灰斗或灰仓内，由卸灰阀卸出单独处理。仓顶除尘器使用的布袋除尘器多为小型布袋除尘器。

The difference between the bin top dust collector and other dust collectors used in other industries is that the bin top dust collector does not require an ash hopper to store ash. The dust filtered by the bin top dust collector will fall back into the ash bin for recycling. The dust collectors used in other industries will filter and clean the dust into the ash hopper or silo, which will be discharged and treated separately by the ash discharge valve. The bag dust collectors used in the top of the warehouse are mostly small bag dust collectors.

仓顶除尘器的选型原则主要从设备的先 进性、性、优良性和通用性几方面考虑。设备应当具备工作原理先 进、自动化程度高、管理功能和性能好的特点。设备应配置优良，控制方式，适用性强，可维修性能好。另外，还要考虑计量，搅拌质量好，生产，能源消耗低，标准件使用量大，可互换性好。据工况情况来选择仓顶除尘器规格及工作尺寸。如匹配不当会影响工作效率。配套件选择也决定着仓顶除尘器的性能，特别是主要配件除尘布袋，除尘骨架，脉冲阀、振动电机，卸灰装置等。

The selection principle of bin top dust remover is mainly considered from the aspects of progressiveness, performance, excellence and versatility of the equipment. The equipment should have advanced working principles, high degree of automation, good management functions, and environmental performance. The equipment should have excellent configuration, control mode, strong applicability, and good maintainability. In addition, it is also necessary to consider measurement, good mixing quality, low production and energy consumption, large usage of standard parts, and good interchangeability. Select the specifications and working dimensions of the silo top dust collector based on the working conditions. Improper matching can affect work efficiency. The selection of supporting components also determines the performance of the warehouse top dust collector, especially the main accessories such as dust removal bags, dust removal frameworks, pulse valves, vibration motors, and ash discharge devices.

用于仓顶除尘收尘的设备可选用脉冲布袋除尘器或ZC回转反吹扁袋除尘器两种自动清灰设备和UF、HD、PL款机械振打单机除尘器，下面就这两种自动清灰设备做使用分析。脉冲布袋除尘器采用高压大流量脉冲阀逐条布袋喷吹清灰技术，具有清灰动能大，的特点，并且体积小，重力轻结构简单紧凑、安装容易、维护方便，得 到广泛应用。安装脉冲布袋除尘器的现场具备有高压气源，否则设备不能运转。ZC回转反吹扁袋除尘器的外形为圆形，性能好，采用的反吹风机来进行清灰，非常适合厂地没有高压气源的工况。

The equipment used for dust removal and collection at the top of the warehouse can choose two types of automatic dust removal equipment: pulse bag dust collector or ZC rotary reverse blowing flat bag dust collector, and UF, HD, and PL mechanical vibration single machine dust collectors. Below is a usage analysis of these two types of automatic dust removal equipment. The pulse bag dust collector adopts high-pressure and high flow pulse valves to spray and clean the dust one by one. It has the characteristics of high cleaning kinetic energy, small volume, light weight, simple and compact structure, easy installation, and easy maintenance, and is widely used. The site where the pulse bag filter is installed has a high-pressure air source, otherwise the equipment cannot operate. The ZC rotary reverse blowing flat bag dust collector has a circular shape and good performance. It uses a reverse blowing fan to clean the dust, which is very suitable for working conditions without high-pressure gas sources in the factory.

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