RB Double bladed Wheel Sewage Aeration Fan

^{RB Double bladed Wheel Sewage Aeration Fan}

Double bladed RB-62SH-1 aeration fanTo meet the industrial demand for fluid control and pneumatic components, vortex fansChina has successively developed simple centrifugal high-pressure fans, which were initially defined as centrifugal air pumps. With the progress and development of the times, people are no longer satisfied with the pressure and air volume requirements of centrifugal air pumps, and the noise of centrifugal air pumps has become an increasingly headache within factories. So, China first introduced fully enclosed side flow fans, which are now known as vortex fans (vortex air pumps). This fan, with its compact appearance and noise, met the demand for high-pressure fans in society at that time. Later on, this fan was upgraded successively and developed into high-pressure fans with single-stage, two-stage, and three-stage impellers. Vortex fans quickly sparked a wave of fan environmental protection in China. With its strong funds and technology, reasonable product prices, and perfect after-sales service system, it has won the trust of many domestic and foreign enterprises and become a product for many large enterprises. The application of high-pressure vortex fans has been popularized, widely used in industry and agriculture, covering infrastructure construction, environmental protection industries, automotive industry, electroplating industry, aquaculture industry, industrial dust collection, packaging machinery industry, printing machinery industry, plastic industry, chemical industry, food, pharmaceutical, medical, electronics, light industry textile, shipbuilding and railway, aerospace engineering, making our world more environmentally friendly.

RB Double bladed Wheel Sewage Aeration Fanworking principle

The impeller is composed of dozens of blades, similar to a large gas turbine impeller. When the impeller of a vortex air pump rotates, the air in the middle of the impeller blades is subjected to centrifugal force and moves towards the edge of the impeller. There, the air enters the annular cavity of the pump body and then returns to the impeller, repeating the circular motion from the starting point of the blades in the same way. Due to the uniform acceleration of the air, the circulating airflow generated by the rotation of the impeller causes the air to burst out in the form of a spiral. Therefore, the airhighThe energy leaves the pump body for use. The pressure it generates is the same as that of a centrifugal fan with the same speed and diameter12-17 times).

Double bladed RB-62SH-1 aeration fanJob characteristics

1. It has dual functions of blowing and suction, and can be used for both suction and blowing; Vortex fans, such as the Gaorui vortex air pump, can also use both suction and blowing simultaneously, serving the same function as an air ring vacuum pump; 2. Running with little or no oil, the output air is clean; 3. Compared to centrifugal fans and medium pressure fans, its pressure is much higher, often more than ten times that of centrifugal fans, and its output pressure can reach up to 70KPA; 4. If the pump body is die cast as a whole and shockproof mounting feet are used, the requirements for the installation foundation are also very low. It can even operate normally without fixing the feet, which is very convenient and saves installation costs and installation cycles; 5. Compared to other types of fans, its operating noise is lower, and the higher the power, the more obvious it is. It will be displayed above 5.5KW; 6. Maintenance free use; Its consumable parts are only two bearings, which basically do not require maintenance within the warranty period; 7. The mechanical wear of a vortex fan is very small because there are no other mechanical contact parts besides the bearings, so the service life is naturally very long. As long as it is under normal operating conditions, there is no problem for 3-5 years. 8. Easy to install and use!

Selection method

Due to the widespread use of vortex fans, their selection is also relatively complex. Generally speaking,The vortex fan needs to follow the following two steps: 1. It is necessary to determine what function of the high-pressure fan is used on site, whether it is suction or blowing, and find the corresponding pressure flow curve of the high-pressure fan; If the curve is misread, sometimes the selected product cannot be used; 2. Based on the calculated pressure and flow rate, find the working curve above the corresponding working point that satisfies both pressure and flow rates on the curve graph; Then select the high-pressure fan model based on the working curve; As long as it is a different work site, its requirements for pressure and flow rate are different, so in order to obtain relatively accurate data, relevant calculations need to be carried out. This needs to be done by professional designers or consulted with professional companies.

Installation Notes

1. Flat washers and spring washers must be used to tighten screws; 2. It is best to use rubber buffer to bear the weight of the vortex fan, especially for high-power vortex fans; 3. For certain occasions where noise is required, a muffler can be installed to reduce noise (usually around 5dB). The muffler is installed at the end of the inlet or outlet duct; 4. For certain situations where high noise requirements are needed, a layer of soundproofing foam can be added based on the machine's own conditions to meet the on-site noise requirements. For specific details, please consult the manufacturer of the vortex fan or a professional noise control company; 5. When using sound-absorbing foam, pay attention to the distance between the vortex fan and the box, the ventilation and heat dissipation of the vortex fan, and the use of rubber buffer to bear the weight of the vortex fan. For specific details, please consult the manufacturer of the vortex fan, such asHigh pressure fan,ShanghaiHigh pressure fan; 6. The inlet and outlet pipes of the vortex fan should be connected using hoses to isolate vibration.

Precautions

No matter which brand of high-pressure fan it is, two aspects of protection are needed: pressure and dust.For pressure, a pressure relief valve is often used, which is an unloading valve. When the operating pressure of the high-pressure fan exceeds the set pressure of the pressure relief valve, the pressure relief valve will automatically open to release the excess pressure and protect the high-pressure fan. For dust, filters are often used. It often uses filter cartridges with different filtration accuracies according to different usage scenarios. Different filter cartridges have different maintenance methods and service lives, which need to be clarified when ordering. In some special occasions, special protection is also necessary: for example, when using in a sealed environment, attention should be paid to ventilation and heat dissipation; When the ambient temperature (intake temperature is relatively high), it is more important to pay attention to ventilation and heat dissipation, or choose a vortex fan that allows for a higher intake temperature. For some brands of high-pressure fans, there may be their own usage suggestions. It is best to have a detailed understanding before purchasing.

Fault resolution

（1） The fan does not rotate1. Not connected to power supply -2. Motor not working - Check motor wiring or replace motor 3. Damaged fan head - Repair or replace fan 4. Foreign objects stuck in fan - Remove foreign objects (2) Increased noise 1. Dry lubrication of bearing - Add bearing grease 2. Damaged bearings - Replace bearings 3. Worn impeller - Replace impeller or pump head 4. Loose or detached fasteners - Tighten fasteners 5. Foreign objects in fan - Remove foreign objects or replace pump head 3. Increased vibration 1. Damaged bearings - Replace bearings 2. Unbalanced impeller - Remove foreign objects from impeller or calibrate dynamic and static balance 3. Main shaft deformation - Replace main shaft or pump head 4. Enter turbulent zone - Adjust working state. Avoid turbulence zone 5. Blockage of inlet and outlet filter screens - Clean filter screen (4) Temperature increase 1. Inlet temperature too high - reduce inlet temperature 2. Bearing dry lubrication - add bearing grease 3. Fan efficiency decrease - remove blade dust or replace pump head 4. Work status change - adjust work status 5. Increase ambient temperature - increase ambient ventilation and heat dissipation (5) Pressure decrease 1. Pump head speed decrease - power supply voltage is low or motor failure 2. Pipeline resistance increase - reduce pipeline resistance 3. Work status change - adjust work status 4. Motor direction reverse - motor rewiring (6) Flow decrease 1. Inlet and outlet air filter mesh blockage - clean filter mesh 2. Pump head speed decrease - power supply voltage is low or motor failure 3. Pipeline resistance increase - reduce pipeline resistance 4. Work status increase - adjust work status 5. The sentence is: Motor direction reversed - motor rewiring