1. Roots blower is energy-saving and environmental friendly, and is manufactured by CNC precision machining.

2. The roots blower is compact in structure, small in size, low in noise, light in weight, easy to use, easy to repair and maintain.

3. Roots blower can be used to transport clean air and other neutral gases, and can also carry flammable, explosive and corrosive gases, such as gas, hydrogen and acetylene, but it needs special modification.

Performance characteristics of material conveying roots blower:

1. Under normal conditions, the pressure change has little impact on the air volume, and the fan speed is in direct proportion. Therefore, the Roots fan basically belongs to the constant volume type.

2. There is no pulsation during suction and exhaust, and no buffer gas tank is required;

3. Small floor area, easy to install and install;

4. There is a clearance of 0.2-0.5mm between the rotor and the rotor and between the rotor and the housing, and there is no friction. The air flow contains a certain amount of dust.

5. Compared with water jet pump and water ring vacuum pump, there is no "waste water" problem.

6. Reliable operation, convenient maintenance and durability.

Precautions for lubrication of material conveying roots blower:

The roots blower adopts splash lubrication of oil throwing plate, and the lubricating parts are synchronous gear, mechanical seal and front and rear bearings. The lubricating oil is the load industrial mechanical oil of Roots blower (46 # anti-wear hydraulic oil in summer, 32 # anti-wear hydraulic oil in winter, kinematic viscosity 198 ~ 242mm2 / S 40 ° C, flash point ≥ 200 ° C); The lubricating grease of the front bearing of Roots blower lubricates the oil cup in the bearing housing every 1-2 weeks. The lubricating grease is made of high-speed 3 # high-temperature lithium base grease (high-temperature synthetic lithium base grease penetrates 220-250 and the drip point ≥ 190 ° C). After 8 hours before operation, replace the grease once a month. In the future, it should be replaced according to the use environment and the quality of grease (fat), and it is recommended to replace it within one month.

The coil cooler is built in the main oil tank of large high-pressure blower in the lubrication series of Roots blower for material transportation, which is used for cooling the lubricating oil (no cooling is required when the air pressure is ≤ 49kpa). The lubricating oil is also used as the lubricating oil of synchronous gear and rear bearing. The synchronous gear is immersed in the oil pool with the specified oil level, and the splash oil supply system is formed by the rotation of the gear and the action of the oil pan and the oil return structure. The oil level should not be too high to avoid the reduction of gear efficiency.

Cooling method of material conveying roots blower:

1. Generally, roots fans are equipped with sound insulation equipment. In summer, open the sound insulation cover door. The acoustic enclosure forms a mail space to increase the ambient temperature, thereby increasing the inlet and outlet temperatures. The inlet temperature of many roots fans with acoustic enclosures is higher than 45 degrees in summer.

2. The fan is installed indoors. Conditional air conditioning can be installed. Don't worry about air conditioning and electricity. Since the temperature of the motor rises by 10 degrees, the life expectancy is much shorter. Therefore, indoor air conditioning can prolong the service life of the equipment and reduce the outlet temperature.

3. Reducing the inlet and outlet pressures will help reduce the temperature.

4. Reduce pipe bending to minimize pipe pressure loss and other pressure losses.

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