負壓吸送是氣力輸送方式的一種。氣力輸送上料機采用的是負壓將粉體或顆粒狀的產(chǎn)品原料吸附過來，相對正壓氣力輸送技術而言，負壓可以有效減少生產(chǎn)過程中揚起的粉塵，多運用于食品、制藥以及一些化工行業(yè)。相對于螺旋提升上料機而言，在同樣輸送量的情況下，負壓吸送式氣力輸送上料機可降低能耗20%-30%左右，完全符合當下高效節(jié)能的生產(chǎn)要求。

　　Negative pressure suction is a type of pneumatic conveying method. The pneumatic conveying feeder uses negative pressure to adsorb powdered or granular product raw materials. Compared to positive pressure pneumatic conveying technology, negative pressure can effectively reduce the dust raised during the production process, and is commonly used in the food, pharmaceutical, and some chemical industries. Compared to the spiral lift feeder, the negative pressure suction pneumatic conveying feeder can reduce energy consumption by about 20% -30% under the same conveying capacity, fully meeting the current production requirements of high efficiency and energy conservation.

　　負壓吸送式氣力輸送設備，易清洗占地少 節(jié)約生產(chǎn)成本。氣力輸送設備結構簡單，在清洗方面相對其他一些需要將機械結構全部拆開清洗而言，氣力輸送設備僅需要清洗軟管式的輸送管道以及料斗的內壁即可，這就使得在設備清洗方面節(jié)約了很大成本。

　　Negative pressure suction pneumatic conveying equipment is easy to clean, occupies less space, and saves production costs. The structure of pneumatic conveying equipment is simple, and in terms of cleaning, it only needs to clean the flexible hose type conveying pipeline and the inner wall of the hopper, which saves a lot of costs in equipment cleaning compared to other mechanical structures that need to be completely disassembled for cleaning.

　　并且，氣力輸送設備占地較小，這也符合食品生產(chǎn)企業(yè)要求設備占地小的要求，節(jié)約廠房面積。另外，不需要人工全程操作的特性也使得負壓吸送式氣力輸送設備具有節(jié)約人工成本的優(yōu)勢，在人工成本上漲的當下這點受到眾多生產(chǎn)廠商的歡迎。

　　Moreover, pneumatic conveying equipment occupies a small area, which also meets the requirements of food production enterprises for small equipment occupation and saves factory space. In addition, the characteristic of not requiring manual operation throughout the entire process also makes negative pressure suction pneumatic conveying equipment have the advantage of saving labor costs, which is welcomed by many manufacturers in the current era of rising labor costs.

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