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What Is a Pulse Jet Bag Filter?

Apr. 22, 2021

What Is a Pulse Jet Bag Filter?

Pulse jet bag filter, also known as pulse jet baghouse or pulse jet dust collector, is a self-cleaning dry filter system. The pulse jet dust collector cleaning system uses the burst of compressed air to remove particles and dust from the surface of the internal filter medium. Pulse jet bag filters are the most common air pollution control equipment in the workplace, including factories, plants, warehouses and other industrial or commercial environments to meet workplace air quality and safety requirements.

The pulse jet dust collector does not contain any moving parts, so it provides reliable continuous operation and excellent filtration efficiency. It is designed to effectively collect and remove potentially harmful particulates, gas and smoke, or it will enter the working environment or atmosphere. The popularity of pulse jet dust collector is due to its simple operation, low energy consumption and low maintenance requirements.

The pulse air bag filter gets its name from the short burst or "pulse" of compressed air used to clean the bag or filter. In the pulse jet system, the dust is collected on the outer surface of the bag/filter, where a piece of dust is usually formed. Based on time or based on the pressure drop of the pressed powder at the appropriate thickness, the activation sequence of a controller pulses the inside of the compressed air filter bag, one (or more) row(s), knocking dust and powder are freely filtered out by gravity into the hopper for removal. The mechanics of the compressed air pulse and the induced airflow of the additional air produce shock waves and ripple effects on the filter bag, which enhances the mechanical force of the initial shock wave of the compressed air itself to remove dust particles off the fabric.

Advantages of pulse jet collector

The pulse jet filter system has several advantages compared with other types of dust collection systems. Its basic advantage is that the pulse jet has the ability to clean online. The duration of the compressed air pulse is usually between 100 and 200 microseconds, which effectively promotes 24/7 operation without interrupting the ventilation of dusty air, and there is no downtime to clean the bag filter.

The pulse jet collector is incredibly versatile in terms of the temperature, pressure, and gas stream chemistry range of its application. Pulse jet dust collectors can be made from a wide selection of metals-carbon steel, stainless steel, aluminum, or special alloys such as Inconel and Hastelloy-to meet the specific needs of any manufacturing environment, from chemical compatibility to wear resistance to food grade or FDA requirements.

Pulse jet bag filter is the most used dust collector in the industry, and its high dust removal efficiency has laid the foundation for its position in most devices. Manufacturing environments such as chemical and mineral processing plants, grain processing plants, food processing plants, steel plants, metal processing and manufacturing plants, asphalt plants, and many other industries benefit from pulse jet bag filters to maintain air quality and meet safety standard.

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Pulse Jet Dust Collector