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Negative pressure conveying in pneumatic conveying

March 22, 2023

Negative pressure conveying in pneumatic conveying

Negative pressure system refers to the use of pressure fan (vacuum pump) to produce system negative pressure, will be in the receiver and air evenly mixed powder granular material pumped to the storage device through the pipeline delivery system, mainly used in coal power plant ash treatment system, also known as negative pressure pneumatic ash removal system, for the introduction of foreign technology, its system design technology has been for domestic ash system designers fully mastered.


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1. No dust in discharging and conveying

2. Suitable for loose, low-lying places, broken bags and other conveying occasions

3. The air source is at the very end, and lubricating oil and water will not be mixed.

4. The pipeline presents a negative pressure vacuum state, and the material will not leak out.

5.Convenient air handling, suitable for clean air transport occasions

6. Suitable for a number of centralized transport to a place.







1. Manual feeding

2. Bulk materials, ground materials

3. Material conveying in open bag feeding station

4. Material taking in highly restricted occasions

5. Toxic material conveying

6. A variety of discharge ports to a conveying.

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If you are interested in Negative pressure conveying system, please contact us for more information.


Eversun machinery (Henan)Co,.Ltd was established in 2003, Eversun Machinery is a professional manufacturer of screening and conveying equipment, product quality system has been strictly certified by ISO9001:2005 and CE national standards.


Our main products are Sieving machine, Vibro filter, Ultrasonic vibrating screen, Vacuum conveyor, Dumpting station.

Please feel free to contact us if you need any support.


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