Features of Explosion-Proof Roots Blowers
Release date:
2021-06-08
1. Advantages of explosion-proof Roots blowers: 1) Under normal circumstances, changes in pressure have little impact on airflow; the airflow rate of Roots blowers is directly proportional to their rotational speed, so Roots blowers are essentially constant-volume devices. 2) Explosion-proof Roots blowers operate without pulsation during intake and exhaust, eliminating the need for a buffer tank.
1. Explosion-proof Roots blower Advantages:
1) Under normal circumstances, changes in pressure have little effect on airflow; the rotational speed of a Roots blower is directly proportional to the airflow, so Roots blowers are essentially constant-volume devices.
2) The explosion-proof Roots blower has smooth intake and exhaust flows with no pulsation, eliminating the need for a buffer tank.
3) It occupies a small footprint, making it easy to arrange and install;
4) A gap of 0.2–0.5 millimeters is maintained between the rotor and the hand, as well as between the rotor and the housing, ensuring no friction occurs and allowing the airflow to contain a certain amount of dust.
5) Explosion-proof Roots blower Compared with hydraulic jet pumps and liquid-ring vacuum pumps, there is no issue of "air being discharged along with the water";
6) The explosion-proof Roots blower features reliable operation, convenient maintenance, and long service life.
2. Defects of explosion-proof Roots blowers:
1) It generates significant noise, so silencers need to be installed at the inlet and outlet.
2) Under high-vacuum conditions, leakage through the blade gaps intensifies, reducing the conveying rate and easily causing pipeline blockages.
3. Explosion-proof Roots blower The airflow range is wide. There are many types of explosion-proof Roots blowers, such as three-lobe Roots blowers, two-lobe Roots blowers, and two-stage series-connected Roots blowers. Among these, the three-lobe Roots blower is the most commonly used and also has the smallest airflow capacity. Two-lobe Roots blowers are generally used in applications requiring large airflow volumes. If the pressure is not high but the airflow volume is large, a two-lobe Roots blower can be employed.
4. Wide pressure range. The explosion-proof Roots blower has a pressure range from 9.8 kPa to 200 kPa, which can meet the requirements of various operating conditions. Once the pressure exceeds 200 kPa, other types of fans—such as air compressors—will be required.
5. Excellent cost-performance ratio. Within the pressure range of explosion-proof Roots blowers, other types of blowers can also be used as replacements, such as single-stage high-speed centrifugal blowers and multi-stage centrifugal blowers. However, these blowers have complex structures and are expensive. Therefore, as long as the Roots blower can serve as a viable replacement, most customers will opt for the Roots blower rather than the single-stage high-speed centrifugal blower or the multi-stage centrifugal blower. The Roots blower industry has become highly mature, and explosion-proof Roots blowers are widely used in industries including pharmaceuticals, textiles, flour milling, wastewater treatment, and environmental protection. Many customers first focus on the performance of Roots blowers, with cost-performance ratio coming second. Many customers choose Roots blowers because they are simple to install, easy to learn and operate, and convenient to use. Secondly, Explosion-proof Roots blower Easy to maintain. Therefore, considering all factors, the customer chose a Roots blower.
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