作者：lgblower

Roots blower company

• At present, Shandong Longgu Heavy Industry Machinery Co., Ltd.'s main products include LGSR three leaf Roots blower, LGSR-V Roots vacuum pump, LGSR-H high-pressure blower series, bipolar series high-pressure, gas pressurized explosion-proof, pneumatic conveying series fans, steam compressors, LGMJ dense series fans, rotary fans, centrifugal fans, etc.
• Our company's products are widely used in industries such as sewage treatment, pneumatic conveying, vacuum packaging, grain processing, electricity, petrochemicals, cement, mining, and special gas pressurized conveying.
• We have close cooperative relationships with top domestic enterprises such as Sande Group, COFCO Group, and Shanshui Cement. Our company's sales outlets and after-sales service centers are located throughout the country and exported to countries such as Malaysia, India, Kyrgyzstan, Nigeria, etc.

roots blower company

Roots blower specifications

Roots blower uses

• ‌Roots blowers‌ are widely used in many industries and fields, mainly including:
• ‌Sewage treatment‌: In the sewage treatment industry, roots style blowers are widely used in aeration, stirring, mixing and other aspects to ensure the smooth progress of the sewage treatment process.
• ‌Pneumatic conveying system‌: roots style blowers are used to transport feed, lime powder, monosodium glutamate, soybean skin, silica and other powdery materials, as well as grain suction machines or crane suction vacuum pumps in grain transportation to ensure the effectiveness of materials transmission.
• ‌Aquaculture‌: In aquaculture, roots style blowers use micropore aeration technology to oxygenate water quality and improve breeding efficiency.They are important equipment in the aquaculture industry.
• ‌Coal chemical industry‌: In the coal chemical industry, Roots blowers are used in sewage treatment and different processes, playing an important role in improving production efficiency and product quality‌.
• ‌Dust removal industry‌: Roots blowers are also used in the dust removal industry, such as desulfurization, denitrification, dust removal, etc., to ensure the effective treatment of industrial flue gas and waste gas.
• ‌Grain processing, flour mills, food factories‌: used in transportation, drying, cooling, dust and other links to ensure the smooth progress of the food processing process‌.
• ‌Paint and Coating Industry‌: Used for ventilation, dust removal and waste gas treatment to ensure the safety and health of the working environment.
• ‌Mining, quarrying, and mineral processing industries‌: used in emissions, exhaust, gas transportation, drying and other links to ensure environmental control and safety during the development of mineral resources‌.
• ‌Pharmaceutical Industry‌: In the pharmaceutical industry, Roots blowers are used in pharmaceutical processing, chemical reactions and other aspects, such as laboratory ventilation equipment, to ensure the safety and efficiency of the pharmaceutical production process‌.

roots blower distributors/roots blower manufacturers

• At present, Shandong Longgu Heavy Industry Machinery Co., Ltd.'s main products include LGSR three leaf Roots blower, LGSR-V Roots vacuum pump, LGSR-H high-pressure blower series, bipolar series high-pressure, gas pressurized explosion-proof, pneumatic conveying series fans, steam compressors, LGMJ dense series fans, rotary fans, centrifugal fans, etc.
• Our company's products are widely used in industries such as sewage treatment, pneumatic conveying, vacuum packaging, grain processing, electricity, petrochemicals, cement, mining, and special gas pressurized conveying.
• We have close cooperative relationships with top domestic enterprises such as Sande Group, COFCO Group, and Shanshui Cement. Our company's sales outlets and after-sales service centers are located throughout the country and exported to countries such as Malaysia, India, Kyrgyzstan, Nigeria, etc.

roots blower distributors

Who makes the best roots blower?

• Since its establishment in the early 1990s, Longgu Heavy Industry has become a diversified machinery enterprise integrating fan and pneumatic conveying equipment system engineering. Our company has advanced computer-aided design and manufacturing, CNC machining technology, and adopts information technologies such as computer-aided design and CAPPCT to improve product design and manufacturing accuracy and shorten the design and manufacturing cycle.
• The company also has imported advanced and high-precision machining equipment from many countries, including fully automatic machining centers, CNC boring and milling machines, and dynamic balancing instruments. It has a high-level, large-scale, and modern mechanical processing and manufacturing workshop.
• The company has completed the implementation and control of its internal quality management system, achieving independent quality control of products from research and development design to finished product delivery. It has established and improved a full process self-control system from design and production to quality, installation, and service, providing sufficient basis and reliable guarantee for the stability and durability of products.
• We have cooperated with higher education institutions such as Shandong University, Shandong University of Technology, and Southwest University of Technology to strengthen the research and development of key core technologies. We have overcome technical difficulties and developed new products such as diesel engine driven Roots blowers, water-cooled dual tank Roots blowers, and low-noise Roots blowers, filling multiple industry gaps.

roots blower distributors

Roots blowers for sale

• Our company's products are widely used in industries such as sewage treatment, pneumatic conveying, vacuum packaging, grain processing, electricity, petrochemicals, cement, mining, and special gas pressurized conveying.
• We have close cooperative relationships with top domestic enterprises such as Sande Group, COFCO Group, and Shanshui Cement. Our company's sales outlets and after-sales service centers are located throughout the country and exported to countries such as Malaysia, India, Kyrgyzstan, Nigeria, etc.
• The company adheres to the business philosophy of "product quality as the lifeblood of the enterprise", the work attitude of "being down-to-earth and doing things seriously", and the brand awareness of "self inspection by everyone and specialized quality inspection".
• We strive to create products with excellent performance and smooth operation, and dedicate ourselves to our customers.

There are significant differences between roots blower vs screw blowers in many aspects. The following is a detailed comparison between the two in terms of structure, performance, application and cost:

Structural differences

• Screw blower: usually consists of two screws. The two screws rotate in opposite directions and mesh with each other to achieve gas compression and transportation. Its structure is relatively simple, which makes installation and maintenance easier.
• Roots blower: It consists of two rotors that rotate with each other to achieve gas compression and transportation. Compared with screw blowers, Roots blowers have a more complex structure and therefore require more care and maintenance.

roots blower vs screw blower

Performance characteristics

• Screw blower:
  Stability: The unique rotor design makes the gas compression process more efficient and can provide continuous and stable air flow.
  Low noise: Through precision manufacturing and optimized rotor design, the noise generated by the screw blower during operation is relatively low and meets the requirements.
  Long life: High-quality materials and advanced manufacturing processes ensure the long life of the screw blower and reduce maintenance costs.
  Easy to maintain: The simple structure makes the maintenance of the screw blower easy and reduces downtime.
• Roots blower:
  High stability: stable operation, small vibration and low noise.
  High transmission efficiency: relatively low energy consumption.
  Handle clean air: It can deliver clean gas without producing greasy or other pollutants.
  Wide applicability: Suitable for a variety of gas transportation scenarios, including compressed air, gas, oxygen, hydrogen, etc.
  No oil pollution: There is no friction when the impeller runs in the body, so no lubrication is needed. The discharged gas is clean and does not contain oil pollution.
  Volumetric operation, wide pressure range: As the pressure changes, the flow rate changes very little, but the flow rate can be adjusted by changing the rotation speed.

Application areas

• Screw blower:
  Engineering: such as sewage treatment, dust collection, etc.
  Industrial manufacturing: used for material transportation, cooling equipment, etc. on production lines.
  Building ventilation: basements, underground passages and other poorly ventilated places.
• Roots blower:
  Sewage treatment: widely used in aeration tanks of sewage treatment plants.
  Air purification: used in air purification equipment to provide stable air flow.
  Gas combustion: In a gas combustion system, Roots blower can provide a stable air source.

roots blower vs screw blower

cost comparison

• Purchase cost: Roots blowers usually have a lower unit price, but may require larger quantities to meet demand; while screw blowers have a higher unit price, but may be purchased in smaller quantities.
• Operating costs: Screw blowers are generally lower in energy consumption and maintenance costs than Roots blowers, and this advantage will become more significant as the equipment pressure and usage time increase.

dresser roots blower manual

• Precautions for use
• 1.Usage environment: Please ensure that the dresser roots blower is installed in a dry, ventilated and dust-free environment, avoiding direct sunlight and high temperature.
• 2.Power supply requirements: Please check whether the power supply meets the requirements of the pump before use, and make sure it is well grounded to prevent electric shock.
• 3.Operating specifications: During operation, please follow the steps in the operation manual to avoid damage or safety accidents caused by improper operation.
• Routine maintenance
• 1.Clean the pump body and exhaust pipe regularly to keep the interior clean and free of debris.
• 2.Regularly check the power cord and grounding conditions to ensure safety and reliability.
• 3.If any abnormality or failure is found, please stop the machine in time and contact professionals for repair.
• troubleshooting
• 1.Pump body heats up: It may be that the motor is overloaded or the heat dissipation is poor. It is recommended to check the power supply voltage and ventilation conditions.
• 2.The air pumping rate decreases: It may be due to rotor wear or air leakage in the air pumping pipe. It is recommended to check the rotor wear and repair the air leakage point.
• 3.Increased noise: It may be that the rotor is unbalanced or the bearings are worn. It is recommended to check the status of the bearings and make necessary replacements.
• Safety warning
• 1.Disassembly and repair by non-professionals is prohibited: Disassembly by non-professionals may cause damage to the pump body or safety accidents.
• 2.It is prohibited to use in flammable and explosive environments: Roots vacuum pumps should be kept away from flammable and explosive items to prevent danger.
• 3.It is prohibited to touch rotating parts when the pump is running: When the pump is running, rotating parts may cause injury, so please keep a safe distance.
• Maintenance suggestions
• 1.It is recommended to conduct an excellent inspection of the Roots vacuum pump every three months to ensure that all components are in good condition.
• 2.It is recommended to perform professional maintenance on the pump body at least once a year to extend the service life and improve performance.

dresser roots blower distributors

• At present, Shandong Longgu Heavy Industry Machinery Co., Ltd.'s main products include LGSR three leaf Roots blower, LGSR-V Roots vacuum pump, LGSR-H high-pressure blower series, bipolar series high-pressure, gas pressurized explosion-proof, pneumatic conveying series fans, steam compressors, LGMJ dense series fans, rotary fans, centrifugal fans, etc.
• Our company's products are widely used in industries such as sewage treatment, pneumatic conveying, vacuum packaging, grain processing, electricity, petrochemicals, cement, mining, and special gas pressurized conveying.
• We have close cooperative relationships with top domestic enterprises such as Sande Group, COFCO Group, and Shanshui Cement. Our company's sales outlets and after-sales service centers are located throughout the country and exported to countries such as Malaysia, India, Kyrgyzstan, Nigeria, etc.

dresser roots blower compressor

• Dresser roots blower is a positive displacement fan.
• It uses two blade-shaped rotors to make relative motion in the cylinder to compress and transport gas.
• This working principle makes the dresser roots blower simple in structure and easy to manufacture.
• It is widely used in gas transport and pressurization systems in low-pressure situations.
• It can also be used Used as a vacuum pump.
• The rotor of a Roots blower usually adopts an involute or epicycloid envelope design to ensure that the rotor maintains a very small gap during rotation, thereby reducing gas leakage. ‌

What are the different types of Roots blowers?

• Roots blowers are divided into the following categories:
• 1.Single-stage Roots blower and multi-stage Roots blower: Depending on the number of impellers, Roots blower can be divided into two types: single-stage and multi-stage. Single-stage Roots blowers have only one impeller and are suitable for low pressure and medium flow applications, while multi-stage Roots blowers have multiple impellers and are suitable for high pressure and large flow applications.
• 2.Fixed Roots blower and variable frequency speed-adjustable Roots blower: Depending on the driving method, Roots blowers can be divided into two types: fixed type and variable frequency speed-adjustable. The fixed speed of the Roots blower is fixed, and the output air volume and pressure cannot be adjusted; while the variable frequency speed-regulated Roots blower adjusts the motor speed through the frequency converter to achieve precise control of the air volume and pressure.
• 3.Dry Roots blower and wet Roots blower: Depending on the working environment, Roots blowers can be divided into two types: dry type and wet type. Dry Roots blowers are suitable for processing dry gases, such as air, nitrogen, etc.; while wet Roots blowers are suitable for processing gases that are moist or contain liquid particles, such as aeration systems in sewage treatment.
• 4.Standard Roots blower and customized Roots blower: According to different customer needs, Roots blower can be divided into two types: standard type and customized type. Standard Roots blowers are manufactured according to general specifications and designs and are suitable for general application scenarios; while customized Roots blowers are designed and manufactured according to specific needs to meet special process requirements.

How to choose the right blower ? How to choose the right three-lobe roots blower?

• Roots blower selection and precautions
• Working condition analysis
• Before selecting a Roots blower, it is necessary to analyze the operating conditions. It mainly includes air transportation flow, pressure, temperature, humidity, gas composition and other factors. These parameters will directly affect the selection, design and use of Roots blowers, so it is very important to fully understand the operating conditions.
• Performance indicators
• When selecting a Roots blower, you need to understand the performance indicators of the Roots blower. Mainly including air volume, pressure, power, efficiency and other parameters. Among them, air volume and pressure are the main basis for selecting Roots blower. Under different working conditions, the required air volume and pressure are different, so it is necessary to select the appropriate Roots blower model according to actual needs.
• Configuration requirements
• When selecting a Roots blower, you also need to consider the configuration requirements of the Roots blower. It mainly includes the structure, material, accessories, control method and other factors of the Roots blower. Different configuration requirements have an impact on the selection and use of Roots blowers. For example, in the field of sewage treatment, it is usually necessary to choose corrosion-resistant and explosion-proof Roots blowers. At the same time, factors such as the installation location and control method of accessories need to be taken into consideration.
• Manufacturer's choice
• Choosing a suitable Roots blower manufacturer is an important part of Roots blower selection. It is necessary to consider the manufacturer's strength, product quality, after-sales service, etc. A suitable manufacturer should have strong R&D capabilities, production capabilities and management capabilities, and should also provide complete after-sales services so that users can solve problems in a timely manner during use.
• Things to note
• When selecting a Roots blower manufacturer, you also need to pay attention to the following points:
• Select the Roots blower model according to actual needs;
• Understand the performance indicators and configuration requirements of Roots blowers;
• Choose a Roots blower manufacturer with strength, product quality and after-sales service;
• Conduct detailed analysis and consideration based on usage conditions;
• Provide training and guidance on the use and maintenance of Roots blowers to ensure normal operation and extend service life of Roots blowers.

What are the different types of roots blowers?

• Roots blowers are divided into the following categories:
• 1.Single-stage Roots blower and multi-stage Roots blower: Depending on the number of impellers, Roots blower can be divided into two types: single-stage and multi-stage. Single-stage Roots blowers have only one impeller and are suitable for low pressure and medium flow applications, while multi-stage Roots blowers have multiple impellers and are suitable for high pressure and large flow applications.
• 2.Fixed Roots blower and variable frequency speed-adjustable Roots blower: Depending on the driving method, Roots blowers can be divided into two types: fixed type and variable frequency speed-adjustable. The fixed speed of the Roots blower is fixed, and the output air volume and pressure cannot be adjusted; while the variable frequency speed-regulated Roots blower adjusts the motor speed through the frequency converter to achieve precise control of the air volume and pressure.
• 3.Dry Roots blower and wet Roots blower: Depending on the working environment, Roots blowers can be divided into two types: dry type and wet type. Dry Roots blowers are suitable for processing dry gases, such as air, nitrogen, etc.; while wet Roots blowers are suitable for processing gases that are moist or contain liquid particles, such as aeration systems in sewage treatment.
• 4.Standard Roots blower and customized Roots blower: According to different customer needs, Roots blower can be divided into two types: standard type and customized type. Standard Roots blowers are manufactured according to general specifications and designs and are suitable for general application scenarios; while customized Roots blowers are designed and manufactured according to specific needs to meet special process requirements.

Roots blower manufacturer

• At present, Shandong Longgu Heavy Industry Machinery Co., Ltd.'s main products include LGSR three leaf Roots blower, LGSR-V Roots vacuum pump, LGSR-H high-pressure blower series, bipolar series high-pressure, gas pressurized explosion-proof, pneumatic conveying series fans, steam compressors, LGMJ dense series fans, rotary fans, centrifugal fans, etc.
• Our company's products are widely used in industries such as sewage treatment, pneumatic conveying, vacuum packaging, grain processing, electricity, petrochemicals, cement, mining, and special gas pressurized conveying.
• We have close cooperative relationships with top domestic enterprises such as Sande Group, COFCO Group, and Shanshui Cement. Our company's sales outlets and after-sales service centers are located throughout the country and exported to countries such as Malaysia, India, Kyrgyzstan, Nigeria, etc.

Roots type air blower diagram

Roots blower uses

• ‌Roots blowers‌ are widely used in many industries and fields, mainly including:
• ‌Sewage treatment‌: In the sewage treatment industry, Roots blowers are widely used in aeration, stirring, mixing and other aspects to ensure the smooth progress of the sewage treatment process.
• ‌Pneumatic conveying system‌: Roots blowers are used to transport feed, lime powder, monosodium glutamate, soybean skin, silica and other powdery materials, as well as grain suction machines or crane suction vacuum pumps in grain transportation to ensure the effectiveness of materials transmission.
• ‌Aquaculture‌: In aquaculture, Roots blowers use micropore aeration technology to oxygenate water quality and improve breeding efficiency.They are important equipment in the aquaculture industry.
• ‌Coal chemical industry‌: In the coal chemical industry, Roots blowers are used in sewage treatment and different processes, playing an important role in improving production efficiency and product quality‌.
• ‌Dust removal industry‌: Roots blowers are also used in the dust removal industry, such as desulfurization, denitrification, dust removal, etc., to ensure the effective treatment of industrial flue gas and waste gas.
• ‌Grain processing, flour mills, food factories‌: used in transportation, drying, cooling, dust and other links to ensure the smooth progress of the food processing process‌.
• ‌Paint and Coating Industry‌: Used for ventilation, dust removal and waste gas treatment to ensure the safety and health of the working environment.
• ‌Mining, quarrying, and mineral processing industries‌: used in emissions, exhaust, gas transportation, drying and other links to ensure environmental control and safety during the development of mineral resources‌.
• ‌Pharmaceutical Industry‌: In the pharmaceutical industry, Roots blowers are used in pharmaceutical processing, chemical reactions and other aspects, such as laboratory ventilation equipment, to ensure the safety and efficiency of the pharmaceutical production process‌.

Roots blower specifications

Roots blower pressure range

• According to different usage requirements, the pressure of the roots blower fan can be adjusted between 9.8kpa and 200kpa.Within this pressure range, the roots blower fan can work normally and meet various process requirements.Specifically, the pressure range of roots blower fan includes:
• ‌Low pressure range‌: The pressure is lower than 58.8kpa, including 9.8kpa to 58.8kpa.This type of fan usually uses air cooling, and is mostly designed with a single oil tank.
• ‌Medium pressure range‌: The pressure is between 58.8kpa and 98kpa.This type of fan requires water cooling, and most of them are designed with double oil tanks.
• ‌High pressure range‌: When the pressure exceeds 98kpa, especially when it exceeds 140kpa, double-stage pressure boosting technology is required to ensure stable operation of the fan under high pressure.

What are the different types of roots blowers?

• Roots blowers are divided into the following categories:
• 1.Single-stage Roots blower and multi-stage Roots blower: Depending on the number of impellers, Roots blower can be divided into two types: single-stage and multi-stage. Single-stage Roots blowers have only one impeller and are suitable for low pressure and medium flow applications, while multi-stage Roots blowers have multiple impellers and are suitable for high pressure and large flow applications.
• 2.Fixed Roots blower and variable frequency speed-adjustable Roots blower: Depending on the driving method, Roots blowers can be divided into two types: fixed type and variable frequency speed-adjustable. The fixed speed of the Roots blower is fixed, and the output air volume and pressure cannot be adjusted; while the variable frequency speed-regulated Roots blower adjusts the motor speed through the frequency converter to achieve precise control of the air volume and pressure.
• 3.Dry Roots blower and wet Roots blower: Depending on the working environment, Roots blowers can be divided into two types: dry type and wet type. Dry Roots blowers are suitable for processing dry gases, such as air, nitrogen, etc.; while wet Roots blowers are suitable for processing gases that are moist or contain liquid particles, such as aeration systems in sewage treatment.
• 4.Standard Roots blower and customized Roots blower: According to different customer needs, Roots blower can be divided into two types: standard type and customized type. Standard Roots blowers are manufactured according to general specifications and designs and are suitable for general application scenarios; while customized Roots blowers are designed and manufactured according to specific needs to meet special process requirements.

Roots style blower uses

• ‌Roots blowers‌ are widely used in many industries and fields, mainly including:
• ‌Sewage treatment‌: In the sewage treatment industry, roots style blowers are widely used in aeration, stirring, mixing and other aspects to ensure the smooth progress of the sewage treatment process.
• ‌Pneumatic conveying system‌: roots style blowers are used to transport feed, lime powder, monosodium glutamate, soybean skin, silica and other powdery materials, as well as grain suction machines or crane suction vacuum pumps in grain transportation to ensure the effectiveness of materials transmission.
• ‌Aquaculture‌: In aquaculture, roots style blowers use micropore aeration technology to oxygenate water quality and improve breeding efficiency.They are important equipment in the aquaculture industry.
• ‌Coal chemical industry‌: In the coal chemical industry, Roots blowers are used in sewage treatment and different processes, playing an important role in improving production efficiency and product quality‌.
• ‌Dust removal industry‌: Roots blowers are also used in the dust removal industry, such as desulfurization, denitrification, dust removal, etc., to ensure the effective treatment of industrial flue gas and waste gas.
• ‌Grain processing, flour mills, food factories‌: used in transportation, drying, cooling, dust and other links to ensure the smooth progress of the food processing process‌.
• ‌Paint and Coating Industry‌: Used for ventilation, dust removal and waste gas treatment to ensure the safety and health of the working environment.
• ‌Mining, quarrying, and mineral processing industries‌: used in emissions, exhaust, gas transportation, drying and other links to ensure environmental control and safety during the development of mineral resources‌.
• ‌Pharmaceutical Industry‌: In the pharmaceutical industry, Roots blowers are used in pharmaceutical processing, chemical reactions and other aspects, such as laboratory ventilation equipment, to ensure the safety and efficiency of the pharmaceutical production process‌.

Roots blower specifications

Roots blower diagram

Roots blower pressure range

• According to different usage requirements, the pressure of the roots blower fan can be adjusted between 9.8kpa and 200kpa.Within this pressure range, the roots blower fan can work normally and meet various process requirements.Specifically, the pressure range of roots blower fan includes:
• ‌Low pressure range‌: The pressure is lower than 58.8kpa, including 9.8kpa to 58.8kpa.This type of fan usually uses air cooling, and is mostly designed with a single oil tank.
• ‌Medium pressure range‌: The pressure is between 58.8kpa and 98kpa.This type of fan requires water cooling, and most of them are designed with double oil tanks.
• ‌High pressure range‌: When the pressure exceeds 98kpa, especially when it exceeds 140kpa, double-stage pressure boosting technology is required to ensure stable operation of the fan under high pressure.

How does a Roots style blower work?

• The working principle of Roots blower can be simply summarized into the following steps:
• 1.Suction stage: When the rotor rotates, the volume of the chamber gradually increases, forming a low-pressure area.This low-pressure area attracts outside air into the chamber.
• 2.Compression stage: As the rotor continues to rotate, the volume of the chamber gradually decreases.This process causes the air to become compressed, increasing its pressure.
• 3.Exhaust stage: When the volume of the chamber reaches the minimum value, the compressed air will be discharged from the chamber.At this time, the rotation of the rotor will increase the volume of the chamber again to prepare for the next round of suction.
• By repeating the above steps, the Roots blower can continuously suck in, compress and discharge air.This working principle enables Roots blowers to produce high-pressure, high-flow airflow.

What is a root blower?

• Roots blower is a positive displacement fan.
• It uses two blade-shaped rotors to make relative motion in the cylinder to compress and transport gas.
• This working principle makes the Roots blower simple in structure and easy to manufacture.
• It is widely used in gas transport and pressurization systems in low-pressure situations.
• It can also be used Used as a vacuum pump.
• The rotor of a Roots blower usually adopts an involute or epicycloid envelope design to ensure that the rotor maintains a very small gap during rotation, thereby reducing gas leakage. ‌

How does a roots blower work? roots blower vacuum system

• The working principle of Roots blower can be simply summarized into the following steps:
• 1.Suction stage: When the rotor rotates, the volume of the chamber gradually increases, forming a low-pressure area.This low-pressure area attracts outside air into the chamber.
• 2.Compression stage: As the rotor continues to rotate, the volume of the chamber gradually decreases.This process causes the air to become compressed, increasing its pressure.
• 3.Exhaust stage: When the volume of the chamber reaches the minimum value, the compressed air will be discharged from the chamber.At this time, the rotation of the rotor will increase the volume of the chamber again to prepare for the next round of suction.
• By repeating the above steps, the Roots blower can continuously suck in, compress and discharge air.This working principle enables Roots blowers to produce high-pressure, high-flow airflow.

What is a roots blower

• Roots blower is a positive displacement fan.
• It uses two blade-shaped rotors to make relative motion in the cylinder to compress and transport gas.
• This working principle makes the Roots blower simple in structure and easy to manufacture.
• It is widely used in gas transport and pressurization systems in low-pressure situations.
• It can also be used Used as a vacuum pump.
• The rotor of a Roots blower usually adopts an involute or epicycloid envelope design to ensure that the rotor maintains a very small gap during rotation, thereby reducing gas leakage. ‌

What is the difference between Roots blower and vacuum pump?

• 1.Working principle
• Roots blower is a device that achieves gas flow through two intermeshing rotors. It mainly sucks gas from one air inlet through the rotating rotor, and then discharges it through the other air outlet. The vacuum pump removes gas by using some method to reduce the air pressure inside the closed container. There is a big difference in how the two work.
• 2.Use
• Roots blowers are generally used to pressurize and transport gas, increase gas density, increase gas flow rate, etc. Mainly used in various industrial fields, such as food processing, electronic equipment, chemical industry, etc. The vacuum pump is mainly used to remove the gas inside the container to create a vacuum environment. Common uses include manufacturing semiconductors, vacuum heat treatment, vacuum cooling, vacuum packaging, etc.
• 3.Performance
• Roots blowers excel in pumping speed, volumetric efficiency and differential pressure range, and are capable of continuous operation for long periods of time, delivering clean, oil-free gas, making them ideal for many industrial industries. The performance of vacuum pumps may vary depending on their design use and operating conditions.

roots blower vacuum system

Roots blower vacuum system manual

Roots style blower uses

• ‌Roots style blowers‌ are widely used in many industries and fields, mainly including:
• ‌Sewage treatment‌: In the sewage treatment industry, Roots blowers are widely used in aeration, stirring, mixing and other aspects to ensure the smooth progress of the sewage treatment process.
• ‌Pneumatic conveying system‌: Roots blowers are used to transport feed, lime powder, monosodium glutamate, soybean skin, silica and other powdery materials, as well as grain suction machines or crane suction vacuum pumps in grain transportation to ensure the effectiveness of materials transmission.
• ‌Aquaculture‌: In aquaculture, roots style blowers use micropore aeration technology to oxygenate water quality and improve breeding efficiency.They are important equipment in the aquaculture industry.
• ‌Coal chemical industry‌: In the coal chemical industry, roots style blowers are used in sewage treatment and different processes, playing an important role in improving production efficiency and product quality‌.
• ‌Dust removal industry‌: roots style blowers are also used in the dust removal industry, such as desulfurization, denitrification, dust removal, etc., to ensure the effective treatment of industrial flue gas and waste gas.
• ‌Grain processing, flour mills, food factories‌: used in transportation, drying, cooling, dust and other links to ensure the smooth progress of the food processing process‌.
• ‌Paint and Coating Industry‌: Used for ventilation, dust removal and waste gas treatment to ensure the safety and health of the working environment.
• ‌Mining, quarrying, and mineral processing industries‌: used in emissions, exhaust, gas transportation, drying and other links to ensure environmental control and safety during the development of mineral resources‌.
• ‌Pharmaceutical Industry‌: In the pharmaceutical industry, Roots blowers are used in pharmaceutical processing, chemical reactions and other aspects, such as laboratory ventilation equipment, to ensure the safety and efficiency of the pharmaceutical production process‌.

Roots blower pressure range

• According to different usage requirements, the pressure of the roots blower fan can be adjusted between 9.8kpa and 200kpa.Within this pressure range, the roots blower fan can work normally and meet various process requirements.Specifically, the pressure range of roots blower fan includes:
• ‌Low pressure range‌: The pressure is lower than 58.8kpa, including 9.8kpa to 58.8kpa.This type of fan usually uses air cooling, and is mostly designed with a single oil tank.
• ‌Medium pressure range‌: The pressure is between 58.8kpa and 98kpa.This type of fan requires water cooling, and most of them are designed with double oil tanks.
• ‌High pressure range‌: When the pressure exceeds 98kpa, especially when it exceeds 140kpa, double-stage pressure boosting technology is required to ensure stable operation of the fan under high pressure.

Roots blower diagram

Roots blower specifications