The blow-suction dust removal system has been installed and debugged.
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The blow-suction dust removal system has been installed and debugged.
Blow-suction dust removal uses a combination of blowing and suction airflows to create a ventilation stream, making it an effective way to control the spread of pollutants. This method involves placing blower outlets on two middle columns or on one side column (wall) of a single span, and installing suction inlets on the opposite wall column, forming a circulating airflow that carries smoke and dust into the purification unit for overall dust cleaning in the workshop.
Blow-suction internal circulation dust removal system
This system is suitable for welding large structural parts where the welding positions are not fixed and the workpieces are big, making it difficult to capture welding smoke. It can automatically adjust the fan speed based on the smoke concentration in different areas of the workshop, reducing energy consumption.


Working Principle of the Blowing-Suction Circulation System
The blowing-suction dust removal system with air supply ducts uses one or more dust removal devices. The supply and return air ducts are arranged along the length of the workshop, with multiple air outlets spaced along the ducts. The supply ducts are positioned below the air ducts.
The height of the dust removal ducts is adjusted according to the suspension height of welding fumes in the workshop (usually 4–6 meters), and the supply ducts are arranged along the columns (height 2–3 meters).
This dust removal system uses a combination of supply ducts and air outlets to deliver air, making the airflow in the workshop more uniform and sending purified air directly into the welding area, speeding up the movement of welding fumes in the welding zone.

On-site video of the blow-suction circulation system
All projects passed inspection and meet national air pollution emission standards. The actual performance is excellent, and customers have given high praise for both quality and user experience.
Better air because Moland
The blow-suction dust removal system has been installed and debugged.
Contact Us for Shipping, delivery, and payments information.
Products Category
Tag list
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10+ Years of Industry Experience — Quality You Can Trust
Features
■ PLC intelligent control
■ Dual-motor, dual independent control
■ Flame-retardant PTFE coated filter cartridge
■ 0.3um 99.97% filtering efficiency
■ Automatic pulse jet cleaning
10+ Years of Industry Experience — Quality You Can Trust