Advantages of Pulse Bag Dust Collectors:
One of the most significant benefits of using a pulse bag dust collector is its high filtration wind speed. This feature allows the equipment to be compact in size while maintaining excellent performance. With a short pulse period ranging from 30 to 60 seconds, this type of dust collector achieves impressive dust removal efficiency. Its filtration wind speed can reach up to 2-4 meters per minute, which is two to four times faster than traditional bag dust collectors. As a result, the required filtration area is reduced, leading to a smaller equipment footprint. For example, when processing 10,000 cubic meters of air per hour, the weight of a pulse bag dust collector typically ranges from 2 to 5 tons. In comparison, cylindrical rotary flat bag dust collectors weigh between 0.7 to 7 tons, while back-blown bag dust collectors can weigh anywhere from 5 to 8 tons.
Another advantage lies in the stability of airflow and pressure within the dust collector. Unlike other systems where the filter bag chambers are divided into separate sections, pulse bag dust collectors operate by sequentially blowing air across rows of filters. This method ensures that the airflow remains consistent without periodic fluctuations caused by intermittent bursts of cleaning air. Consequently, the pressure loss across the system remains relatively stable throughout operation.
Maintenance requirements for these dust collectors are minimal since they contain few moving parts aside from those used for pulse jet cleaning. This design contributes to lower maintenance needs and enhances reliability during use. Additionally, because the filter bags undergo less deformation during cleaning cycles, their lifespan tends to be longer compared to other types of dust collection technologies.
When designing a bag dust collector, it's crucial to account for both the process gas volume under operating conditions and any potential air leaks within the system itself. These values should ideally be derived from real-world factory experiences or detailed inspections. However, if such information isn't readily available, estimations can still be made based on the total amount of gases produced during manufacturing processes along with additional volumes drawn in via collector hoods (approximately 20% to 40% more than just the product emissions). Filtration velocities depend heavily upon factors like the characteristics of dusty gases involved, specific fabrics utilized, and nature of collected particulates; therefore, they're usually chosen according to guidelines provided by manufacturers' catalogs combined with practical expertise gained through field applications.
Electric Ball Valve
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Electric actuators convert electrical energy into rotary force by the use of an electric motor to turn the ball valve through 90 degrees. They are energy-efficient, clean, and a quiet method of valve control. The electric motor can be powered by an alternating current (AC) or a direct current (DC). It is housed in a robust, compact housing that also contains other components of the actuator such as gearings, limit switches, wiring, etc. The whole assembly is connected to a valve through a compatible connection interface.
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