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.

倉頂除塵器與其他行業用的除塵器不同的地方為，倉頂除塵器不需要灰斗儲灰，倉頂除塵器過濾清灰下來的粉塵會再次掉落到灰倉內，回收利用。而其他行業用的除塵器會把過濾清灰下來的粉塵在灰斗或灰倉內，由卸灰閥卸出單獨處理。倉頂除塵器使用的布袋除塵器多為小型布袋除塵器。

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.

倉頂除塵器的選型原則主要從設備的先 進性、性、優良性和通用性幾方面考慮。設備應當具備工作原理先 進、自動化程度高、管理功能和性能好的特點。設備應配置優良，控制方式，適用性強，可維修性能好。另外，還要考慮計量，攪拌質量好，生產，能源消耗低，標準件使用量大，可互換性好。據工況情況來選擇倉頂除塵器規格及工作尺寸。如匹配不當會影響工作效率。配套件選擇也決定著倉頂除塵器的性能，特別是主要配件除塵布袋，除塵骨架，脈沖閥、振動電機，卸灰裝置等。

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.

用于倉頂除塵收塵的設備可選用脈沖布袋除塵器或ZC回轉反吹扁袋除塵器兩種自動清灰設備和UF、HD、PL款機械振打單機除塵器，下面就這兩種自動清灰設備做使用分析。脈沖布袋除塵器采用高壓大流量脈沖閥逐條布袋噴吹清灰技術，具有清灰動能大，的特點，并且體積小，重力輕結構簡單緊湊、安裝容易、維護方便，得 到廣泛應用。安裝脈沖布袋除塵器的現場具備有高壓氣源，否則設備不能運轉。ZC回轉反吹扁袋除塵器的外形為圓形，性能好，采用的反吹風機來進行清灰，非常適合廠地沒有高壓氣源的工況。

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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