-
E-mail
413655868@qq.com
-
Phone
13501767698,18017683200
-
Address
No. 290 Chenjian Road, Chenjia Town, Chongming District, Shanghai
Shanghai Qiangshun Machinery Manufacturing Co., Ltd
The process principle of pulse blowback vacuum cleaner
Date: 2025-05-12Read: 6
The process principle of pulse blowback vacuum cleaner is based on high-pressure gas pulse dust cleaning technology, which achieves filter cartridge/bag regeneration through periodic reverse blowing of compressed air. Its core process can be divided into the following structures:
1、 Working principle stage
1. Filter adsorption stage
The dusty gas enters the vacuum cleaner chamber through the guiding device and forms a dust layer on the surface of the filter bag/filter element. Coarse particles fall directly into the ash hopper due to gravity or inertia, while fine particles are intercepted by the filter material, and purified gas is discharged through the filter material.
2. Pulse cleaning stage
Offline compartment: When the dust accumulation on the surface of the filter material reaches the set resistance, the control system closes the airflow channel of the single compartment and enters the offline dust cleaning mode.
High pressure spraying: The pulse valve instantly releases 0.5-1.2MPa compressed air, which is guided into the interior of the filter bag through the spraying tube, causing high-frequency expansion and shaking of the filter bag, and the attached dust is stripped off by the reverse impact force.
Circular operation: The cleaning sequence adopts a bin rotation system to ensure continuous operation of other bins and achieve continuous dust removal.
3. Ash recycling stage
The shaken dust is collected by the ash hopper and processed centrally by the screw conveyor or pneumatic conveying system. Some designs support the secondary utilization of dust.
2、 Key process components
1. Compressed air system
The air compressor provides a high-pressure air source and is equipped with a gas storage tank to stabilize the pulse output of the airflow.
The electromagnetic pulse valve precisely controls the injection timing, with a response time of ≤ 0.1 seconds.
2. Filter unit
The filter bag is made of materials such as polyester and laminated filter media, which can capture particles ≥ 0.3 μ m.
The self-locking filter bag frame design facilitates quick replacement and extends its service life.
3. Control system
Support dual mode triggering of pressure difference/timing for dust cleaning, with PLC automatically adjusting the spraying cycle and pressure.
Equipped with offline protection mechanism to avoid system pressure fluctuations during dust cleaning.
This process, through modular design and timing control optimization, significantly reduces energy consumption while maintaining high filtration efficiency, and is widely used in industrial fields such as metallurgy, chemical engineering, and wood processing.
