Your Professional Dry Screw Vacuum Pumps Manufacturer!
InPowerVac since 2000,currently mainly produces and sells rotary vane vacuum pumps, dry screw vacuum pumps, Roots vacuum pumps, and vacuum units. At present, the company has 92 sets of processing equipment, including 30 sets of imported processing equipment. It has complete inspection and monitoring equipment, material tensile physics laboratory, vacuum testing room, dynamic balance laboratory, three coordinate and other high-end equipment.
One-Stop Solution
InPowerVac has been committed to the research, development, production, sales of vacuum equipment, providing highly reliable vacuum products and solutions in fields such as lithium batteries, semiconductors, power, new materials.
Rich Experience
We are constantly developing and optimizing our company's products, and we always insist on creating value for our customers, especially in some special fields.
Factory
InPowerVac currently has two production bases in Zhejiang and Hebei. In 2023, we will purchase another production plant in Taizhou, Zhejiang, covering an area of squa70000 re meters.
Professional Team
InPowerVac now has a number of mature production lines and continuous technological innovation capabilities, and is determined to become a leader in vacuum technology in China and even in the world.
What are Dry Screw Vacuum Pumps?
A dry screw vacuum pump is a positive displacement pump that operates without oil. Two screw rotors rotate in opposite directions inside a cylindrical housing. The pumped medium enters via the inlet and is trapped and transported in chambers formed between the cylinder and the twin screws. Due to the rotation of the screws, the pumped medium is compressed and expelled via the outlet. No lubricants or operating fluids are required in the compression chamber. The minimal clearance between the screw rotors and the housing optimizes the internal seal.
Advantages of Dry Screw Vacuum Pumps
1. The surface of the working chamber and screw rotor often has a layer of anti-corrosion coating, which is designed for harsh process environments and can greatly reduce the impact of the environment on vacuum drying technology.
2. Gas does not need to be compressed in a dry screw pump, so condensable gas can be extracted without consuming oil, so there will be no oil leakage.
3. The external structure of the dry screw pump is relatively simple and it is very convenient to maintain.
4. The extracted gas will be directly discharged from the pump body without polluting the water and putting no pressure on the environment.
Dry vacuum pump technology offers clear, measurable advantages in a wide variety of essential applications. A properly designed dry screw vacuum pump ensures the processing needs are accomplished with a safe, reliable, and cost-effective solution.
Dry screw vacuum pumps require no water or oil for sealing or lubrication in the vacuum stages. Consequently, these dry vacuum systems eliminate effluent generation, pollution, and high treatment costs.
Vacuum generation in dry screw vacuum pumps explained in three steps
1. Inlet
The pumped medium enters via the inlet.
Two screw rotors rotate in opposite directions inside the cylindrical housing.
2. Compression
The pumped medium is trapped and transported in chambers formed between the cylinder and the twin screws.
The chamber size continuously decreases, and the pumped medium is compressed.
During the compression process, the screw rotors do not come in contact with each other or the housing.
3. Outlet
After compression, the pumped medium is expelled through the outlet.
The use of a twin screw design ensures the shortest possible gas path between the pump inlet and outlet, resulting in a fast compression process and quicker cycle times.
Components of dry screw vacuum pump
1. Motor
The motor of dry screw vacuum pump is the power source for driving the screw rotor to rotate, and a three-phase asynchronous motor is usually selected. The power and power frequency of the motor should be selected according to the actual use environment and the requirements of the extraction object.
2. Screw rotor
The screw rotor is the core component of the dry screw vacuum pump, mainly composed of the main screw, the extrusion screw and the bearing support at both ends. When working, the screw rotor rotates along the long axis of the stator, and the gas is discharged along the screw to reduce the volume, thereby realizing vacuum extraction.
3. Stator
The stator is the working part that generates vacuum in the dry screw vacuum pump. It is formed by two symmetrical stators supporting each other, and the internal cavity provides working space for the screw rotor. An appropriate gap is maintained between the inner surface of the stator and the surface of the screw rotor to ensure the sealing of the gas.
4. Control system
The control system of the dry screw vacuum pump is a key part of controlling and monitoring the operation of the entire system. It is usually composed of PLC, human-machine interface and various sensors, which can realize the functions of automatic start and stop of the pump, leakage detection and troubleshooting.
5. Cooling water system
Dry screw vacuum pumps will generate a lot of heat when running for a long time, which will have a negative impact on the pump body and seals. The cooling water system can reduce the temperature of the pump body by circulating cooling water, so that it is in a normal working environment.
Dry Screw Vacuum Pump Application
Dry screw vacuum pumps are widely used in many industries, including the following:
Semiconductor and electronics industry
Dry screw vacuum pumps are used in semiconductor manufacturing for wafer cleaning, etching and other processes that require high vacuum due to their high cleanliness.
Chemical industry
In the chemical industry, dry screw vacuum pumps are used in efficient recovery processes such as vacuum distillation and solvent extraction, which helps to improve production efficiency and product quality.
Pharmaceutical industry
In the pharmaceutical industry, dry screw vacuum pumps are used to recover liquid medicines and drug intermediates, as well as to provide a clean and sterile production environment, which is crucial to ensuring drug quality and production safety.
Petrochemical industry
The petrochemical industry is also an important application area for dry screw vacuum pumps, mainly used in gas recovery systems in refineries and chemical plants, which helps to achieve resource recycling and energy conservation and emission reduction.
Food industry
In the food industry, dry screw vacuum pumps are used in the concentration of spices and flavors and food packaging, which helps to improve food quality and extend shelf life.
Lithium battery manufacturing
With the development of the new energy industry, dry screw vacuum pumps are increasingly used in lithium battery manufacturing, such as in the vacuum process of lithium battery electrolyte to improve battery production efficiency and safety.
As one of the leading dry screw vacuum pumps manufacturers and suppliers in China, we warmly welcome you to wholesale dry screw vacuum pumps in stock here from our factory. All customized products are with high quality and competitive price. For quotation, contact us now.
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