Basic Info.
Structure
Rotary Vacuum Pump
Exhauster Method
Kinetic Vacuum Pump
Work Function
Pre-Suction Pump
Product Description
SK type water ring vacuum pump and compressor are used to pump or press gas and other non-corrosive, water-insoluble and solid particles-free gases to form vacuum or pressure in a closed container to meet process requirements. A small amount of liquid is allowed to be mixed with the gas being sucked or pumped.
SK water ring vacuum pumps and compressors are widely used in machinery, petroleum, chemical, pharmaceutical, ceramics, sugar, printing and dyeing, metallurgy and electronics industries.
Since the SK type water ring vacuum pump compresses the gas in the isothermal state during the working process, it is not easy to cause danger when the flammable and explosive gas is pumped or pumped, so it is more widely used.
Pump model description.
Example: SK-12
SK means water ring vacuum pump; 12 means that the maximum pumping capacity of the pump is 12m3/min (cubic meters per minute)Product Photos:Working Principle: SK type water ring vacuum pump is shown in figure (1), the impeller 3 is eccentrically installed in the SK type water ring vacuum pump body 2, so when the impeller 3 rotates, the water is affected by the centrifugal force and the water is in the SK type water ring vacuum pump. A rotating water ring 5 is formed on the inner wall. The inner surface of the upper part of the water ring is tangent to the hub and rotates in the direction of the arrow. During the first half-turn, the inner surface of the water ring gradually separates from the hub, so a closed space is formed between the impeller blades and the water ring. With the rotation of the impeller, the space gradually expands, the gas pressure in the space decreases, and the gas is drawn into the space; during the second half-turn, the inner surface of the water ring gradually approaches the hub, the space between the blades gradually shrinks, and the gas pressure in the space increases , when it is higher than the exhaust port, the gas between the blades is discharged. In this way, every time the impeller rotates, the space between the blades is sucked and discharged once, and many spaces work continuously, and the SK type water ring vacuum pump continuously sucks or presses the gas.
SK type water ring vacuum pump will heat up the working water ring due to the heat generated by the work during the working process, and part of the water and gas will be discharged together. Therefore, during the working process, the pump must be continuously supplied with water for cooling and cooling. Supplement the water consumed in the pump to meet the working requirements of the pump.
When the gas discharged from the SK type water ring vacuum pump is no longer used, a gas-water separator is connected to the exhaust end of the pump (you can make a water tank instead), and after the waste water and part of the water it carries are discharged into the gas-water separator, The gas and water are separated, the gas is discharged from the exhaust pipe, and the remaining water is supplied to the pump through the return pipe for continued use. With the extension of the working time, the temperature of the working water will continue to rise. At this time, it is necessary to supply a certain amount of cold water (tap water) from the water supply of the gas-water separator to reduce the temperature of the working water and ensure that the pump can meet the required technical requirements. and indicators. When the SK type water ring vacuum pump is used as a compressor, a gas-water separator is connected to the exhaust port of the pump. The gas-water mixture enters the gas-water separator and is automatically separated. The gas is transported to the required system by the exhaust pipe and the working water passes through When the gas is compressed, the working water is very easy to heat up. The water is discharged from the outlet of the SK type water ring vacuum pump, and the temperature will become higher. Therefore, at the bottom of the gas-water separator, cold water should be continuously supplied to avoid To supplement the discharged hot water, it also acts as a cooling function, so that the temperature of the working water will not be too high, so as to ensure the performance of the compressor, meet the technical indicators, and meet the process requirements.Structure Description: The structure of SK type water ring vacuum pump is shown in Figure 2, Figure 3 and Figure 4.
SK type water ring vacuum pump consists of pump body, two end covers, impeller, shaft and other components. The intake pipe and the exhaust pipe are connected with the pump chamber through the suction hole and the exhaust hole on the disk installed on the end cover, the shaft is eccentrically installed in the pump body, and the impeller is fixed on the shaft with a flat key. The total gap between the two ends of the SK water ring vacuum pump is adjusted by the pad between the pump body and the disc, and the gap between the impeller and the disc on the end cover is adjusted by the shaft sleeve (SK-1.5/3/6) or the back cap. (SK-12/20/30) Push the impeller to adjust, and the shaft and the impeller above SK-42 are interference fit, the clearance is determined by the front end positioning, SK-42/60/85/120 has no shaft sleeve, the rest of the structure Same as SK-6/12/20/30. The gap between the two end faces of the SK water ring vacuum pump impeller and the end cover disc determines the size and ultimate pressure of gas loss in the pump chamber from the air inlet to the exhaust port.
The packing of SK water ring vacuum pump is installed in the end caps, and the seal does not enter the packing through the small holes in the end caps, cooling the packing and strengthening the sealing effect. The supplementary water required by the impeller to form the water ring is supplied by the water supply pipe, which can be connected with the gas-water separator to circulate water supply.
The sealing form of SK water ring vacuum pump adopts mechanical seal, the mechanical seal is installed in the packing cavity, and the packing is omitted. The packing gland is replaced with a mechanical seal gland, and the rest of the structure is the same.
The bearing is fixed on the shaft by a round nut.
SK water ring vacuum pump is equipped with a disc on the end cover, and the disc is provided with suction and exhaust holes and rubber ball valves. The function of the rubber ball valve is to discharge the gas before the exhaust port when the gas pressure between the impeller blades reaches the exhaust pressure, which reduces the power consumption due to excessive gas pressure, thereby reducing power consumption.Product performance and parameters:| Model | Suction(m3/min) | Limited Pressure | Power(KW) | Speed
(r.p.m) | Compressor
Pressure Mpa | Diameter size | water consumption
L/min) |
| Max | vacuum is-450mmHg | mmHg | MPa | Vacuum Pump | Compressor |
| Enter | Out |
| SK-1.5 | 1.5 | 1.35 | -680 | -0.091 | 3 | 4 | 1450 | 0-1 | 70 | 70 | 10~15 |
| SK-3 | 3 | 2.8 | -710 | -0.093 | 5.5 | 7.5 | 1450 | 0-1 | 70 | 70 | 15~20 |
| SK-6 | 6 | 5.4 | -710 | -0.093 | 11 | 15 | 1450 | 0-1 | 80 | 80 | 20~30 |
| SK-9 | 9 | 8.1 | -710 | -0.093 | 15 | 22 | 970 | 0-1 | 80 | 80 | 30~40 |
| SK-12 | 12 | 11 | -710 | -0.093 | 18.5 | 30 | 970 | 0-1 | 80 | 80 | 40~50 |
| SK-15 | 15 | 13.5 | -710 | -0.093 | 30 | 45 | 970 | 0-1 | 80 | 80 | 50~60 |
| SK-20 | 20 | 18 | -710 | -0.093 | 37 | 55 | 740 | 0-1 | 150 | 150 | 60~80 |
| SK-30 | 30 | 28 | -710 | -0.093 | 55 | 75 | 740 | 0-1 | 150 | 150 | 70~100 |
| SK-42 | 42 | 37.2 | -710 | -0.093 | 75 | - | 740 | - | 150 | 150 | 95~130 |
| SK-60 | 60 | 54 | -710 | -0.093 | 95 | - | 590 | - | 250 | 250 | 140~180 |
| SK-85 | 85 | 76.5 | -710 | -0.093 | 132 | - | 590 | - | 250 | 250 | 180~220 |
| SK-120 | 120 | 110 | -710 | -0.093 | 185 | - | 590 | - | 300 | 300 | 220~260 |
1. Atmospheric pressure 0.1013Mpa (760mmHg)
2. Inlet water temperature 15ºC
3. Inhalation air temperature 20ºC
4. The relative humidity of the air is 70%
5. Performance tolerance ±10%Product Application: 1.SK type water ring vacuum pump and compressor are used to pump or press gas and other non-corrosive, water-insoluble and solid particles-free gases to form vacuum or pressure in a closed container to meet process requirements. A small amount of liquid is allowed to be mixed with the gas being sucked or pumped.
2.SK water ring vacuum pumps and compressors are widely used in machinery, petroleum, chemical, pharmaceutical, ceramics, sugar, printing and dyeing, metallurgy and electronics industries.
3. Since the SK type water ring vacuum pump compresses the gas in the isothermal state during the working process, it is not easy to cause danger when the flammable and explosive gas is pumped or pumped, so it is more widely used.
Product Features: 1.Compact structure and convenient maintenance;
2.Wide application range and applicable for gas with vapor or flammable, explosive, containing a little dust and a little liquid gas.
3.Low maintenance expense since water is the main operating medium;
4.Applicable in severe environments.
Company Profile:
Address:
Xiaodian Industrial Park, Baita Town, Boshan District, Zibo City, Shandong Province
Business Type:
Trading Company
Business Range:
Industrial Equipment & Components
Company Introduction:
Shandong Zhongbeng Power Equipment Co., Ltd. is located in Zibo City, Shandong Province, which is known as the "pump capital" of China. The company takes the lead in science and technology, adheres to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers. The products now have been exported to India, Pakistan, Russia, South Africa, Vietnam, Thailand and other countries.
Our products are widely used in petroleum, chemical industry, coal mine, metallurgy, electric power, food, medicine, paper making, textile, heating, refrigeration, urban water supply and drainage and other industries. The main products are: Vacuum pump, diesel engine pump set, diesel generator set, centrifugal pump, submersible sewage pump, chemical pump, corrosion-resistant pump and complete water supply equipment, etc. There are more than 20 series, with more than 1, 000 specifications for customers to choose from.
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