PPC Series Plenum Pulse Jet Bag Filter

PPC Series Plenum Pulse Jet Bag Filter is excellent for cases where high-concentration industrial flue gas and dust treatment, long-life bag protection and continuous online operation are required, especially in cement and building materials industries

Type:Gas Filter Brand:LEFILTER
PPC Series Plenum Pulse Jet Bag Filter
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Product Introduction

It integrates the advantages of compartment back-blowing and pulse jet cleaning, overcoming the shortcomings of insufficient kinetic energy in compartment back-blowing and simultaneous filtration and cleaning in pulse jet cleaning. This design enhances adaptability, improves dust collection efficiency and prolongs the service life of filter bags. It can be used as dust collection equipment for crushers, dryers, coal mills, raw meal mills, cement mills, packaging machines and various bin tops, and also directly for high-concentration process dust collection (500g/Nm³ for 

vertical mills, 1000g/Nm³ for O-Sepa separators).

Compared with similar domestic products, it adopts a double-diaphragm structure, featuring sensitive control, high efficiency and long service life. This type of dust collector has been widely used, especially in the cement industry.

气箱式脉冲袋式除尘器 3


Working Principle

After dust-laden flue gas enters the ash hopper through the air inlet, part of the coarser dust particles fall into the ash hopper due to inertial collision and natural settlement. Most fine dust particles rise with the airflow into the bag chamber, and are intercepted on the outside of the filter bags. The purified flue gas enters the plenum chamber through the inside of the filter bags, and is then discharged into the atmosphere through the damper hole and air outlet, completing dust purification.
As filtration proceeds, dust accumulates on the outer side of the filter bags, increasing the operating resistance of the dust collector. When the resistance reaches the preset value (1245-1470Pa), the cleaning controller sends a signal: first, the lift valve is controlled to close the damper hole, cutting off the filtered flue gas flow and stopping filtration. Then the electromagnetic pulse valve is opened, and compressed air (0.5-0.7MPa) is injected in a very short time (0.1-0.155s). The compressed air expands rapidly in the plenum chamber and rushes into the inside of the filter bags, causing the filter bags to vibrate violently. Combined with the reverse airflow, the dust on the outer side of the filter bags is shaken off into the ash hopper. After cleaning, the lift valve reopens, and the dust collector returns to filtration state.
The above principle represents one working chamber. In practice, the plenum pulse dust collector consists of multiple working chambers. During cleaning, each chamber operates in sequence (compartment offline cleaning). The advantage is that the cleaning chamber and the filtering chamber do not interfere with each other, realizing continuous operation and improving work efficiency.

气箱式脉冲袋式除尘器 4


Structure Features

  • Simple structure: The main body is composed of four parts: plenum chamber, bag chamber, ash hopper and air inlet/outlet.

  • The top of the plenum chamber is made into a 1.5° inclined surface to prevent water accumulation when used outdoors.

  • The bag chamber is located at the lower part of the plenum chamber, mainly used to accommodate the cage and filter bags, forming a filtration space.

  • The outlet is equipped with a rotary discharger or flap valve and other air-locking devices, enabling continuous ash discharge.

Product Technical Parameters

Parameter ItemPPCS32-3PPCS32-4PPCS32-5PPCS32-6PPCS64-4PPCS64-5PPCS64-6PPCS64-7PPCS64-9
Processing Air Volume (m³/h)560069008930111601339017800223002670031200
Filtration Air Velocity (m/min)<1.0 (selected according to different dust sites)







Total Filtration Area (m²)93124155186248310372434496
Net Filtration Area (m²)6293124155186248310372434
Number of Dust Collector Chambers345645678
Total Number of Filter Bags96128160192126320384448512
Dust Collector Resistance (Pa)1470-1770







Inlet Dust Concentration (g/Nm³)<200<1000






Outlet Dust Concentration (g/Nm³)<0.1







Dust Collector Negative Pressure (Pa)5000







Cleaning Compressed Air Pressure (Pa)(5-7)×10⁵







Air Consumption (Nm³/min)0.270.370.460.551.21.51.82.12.4
Number of Electromagnetic Pulse Valves345645678
Specification of Electromagnetic Pulse Valves (inch)1 1/22 1/2






Number of Lift Valves345645678
Specification of Lift Valves (mm)Φ460 cylinder Φ100Φ560 cylinder Φ100






Rigid Impeller FeederDischarge port Φ300mm, height 100, speed 30.31r/min, geared motor 1.1KW, output 24m³/h







Screw ConveyorDiameter Φ300, output 300m³/h; model XWD2.2-5-1/43, power 2.2KW







Filter Bag SpecificationΦ130×2450mm, polyester needle punched felt 450g/㎡, operating temperature 120℃







Insulation Layer Area (m²)26.5344148.57094118142166
Overall Dimension (mm)1962×1652×62502622×1709×62503282×1765×62503942×1820×62504877×1938×67906079×1990×67907316×2138×67908534×2138×67909754×2138×6790
Equipment Weight (kg)290039004900590074008800102001160013000

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