The function of the wear-resistant feeder is mainly to discharge from the negative pressure pneumatic conveying system, such as the discharge from the pneumatic conveying system and the discharge from the dust removal system. In addition, the wear-resistant feeder can also ensure the stability of positive pressure in the pipeline by locking the air and air. In essence, the wear-resistant feeder is a continuous supply device, which can prevent the supplied air from entering the pneumatic conveying device. In the production of dry mortar, the negative pressure pneumatic conveying in the production and application of dry mortar, the size, structure and speed of the rotary feeder must be reasonably selected, mainly based on the nature Conveying capacity and power of powder on rotary feeder.

負(fù)壓氣力輸送在電力、糧食,、煤炭,、建材等各領(lǐng)域具有重要應(yīng)用，主要依賴氣源的機(jī)械進(jìn)氣作用,，可以通過(guò)氣源的機(jī)械進(jìn)氣實(shí)現(xiàn)物料輸送,，與傳統(tǒng)輸送方式相比具有明顯優(yōu)勢(shì)，占地面積小,，在操作過(guò)程中非常方便,。

Negative pressure pneumatic conveying has important applications in electric power, grain, coal, building materials and other fields. It mainly depends on the mechanical air intake of air source. It can realize material conveying through the mechanical air intake of air source. Compared with traditional conveying methods, it has obvious advantages, occupies a small area, and is very convenient in the operation process.

使用中,，灰塵堆積在集塵料斗中時(shí),，灰塵會(huì)兩次附著在濾袋表面，壓力損失增加,，存在灰塵旁路,、濾袋破損等問(wèn)題，在雙蝶閥連續(xù)排出的粉體排出方式中,，打開(kāi)上部蝶閥,，在中立的作用下粉體會(huì)落到下部蝶閥上，此時(shí),，關(guān)閉上部蝶閥,，打開(kāi)下部蝶閥，在重力作用下粉體落入貯料筒倉(cāng)交替開(kāi)啟兩個(gè)蝶閥循環(huán),，連續(xù)排出除塵器內(nèi)的粉體,，避免粉塵旁路,、濾袋破損等問(wèn)題的發(fā)生。

In use, when the dust accumulates in the dust collecting hopper, the dust will adhere to the surface of the filter bag twice, increasing the pressure loss, and there are problems such as dust bypass and damage of the filter bag. In the powder discharge mode of double butterfly valve continuous discharge, open the upper butterfly valve, and the powder will fall on the lower butterfly valve under the neutral effect. At this time, close the upper butterfly valve, open the lower butterfly valve, Under the action of gravity, the powder falls into the storage silo and two butterfly valves are opened alternately for circulation to continuously discharge the powder in the dust remover, so as to avoid the occurrence of dust bypass, filter bag damage and other problems.

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