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Jiangsu Kelsen Environmental Protection Technology Co., Ltd
High pressure fan manufacturer
NegotiableUpdate on 05/19
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Overview
The high-pressure fan manufacturer's high-pressure fan refers to a fan with a wind pressure of 30kPa~200KPa or a compression ratio e=1.3~3 under design conditions. In the current industry, gas ring vacuum pumps are generally classified as high-pressure fans. High pressure fan, also known as high-pressure blower, is different from general centrifugal blower fans.
Product Details
High pressure fan manufacturerworking principle
When the impeller rotates, due to the centrifugal force, the wind vane drives the gas to move forward and outward, forming a series of spiral movements. The air between the impeller blades accelerates and rotates in a spiral shape, squeezing the gas outside the pump body into the side groove (sucked in through the suction port). When it enters the side channel, the gas is compressed and then returns to accelerate and rotate between the impeller blades again. When air passes through the impeller and side groove along a spiral trajectory, each impeller blade increases the degree of compression and acceleration. As the rotation progresses, the kinetic energy of the gas increases, further increasing the pressure of the gas passing through the side channel. When the air reaches the connection point between the side groove and the discharge flange, the gas is squeezed out of the blades and discharged from the pump body through the outlet muffler.
High pressure blowerDevelopment History
Wind turbines have a long history. China had already produced simple wooden rice hulling windmills many years before the Common Era, which operated on the same principle as modern centrifugal fans. In 1862, Guibert of England invented the centrifugal fan, which had a concentric impeller and casing made of bricks, and a wooden impeller with straight backward blades. The efficiency was only about 40% and it was mainly used for mine ventilation. In 1880, people designed snail shaped casings for mine ventilation and centrifugal fans with backward curved blades, which had already been compared in structure. In 1892, France developed a cross flow fan; In 1898, the Irish designed the Sirocco centrifugal fan with forward blades, which was widely adopted by various countries; In the 19th century, axial flow fans were already used for mine ventilation and metallurgical industry blowing, but their pressure was only 100-300 Pa and efficiency was only 15-25%. It was not until the 1940s that they developed rapidly.
centrifugal fanWhen working, the power machine (mainly the electric motor) drives the impeller to rotate inside the snail shell, and air is sucked in from the center of the impeller through the suction port. Due to the dynamic effect of the blades on the gas, the gas pressure and velocity are increased, and under the action of centrifugal force, it is thrown along the blade path towards the casing and discharged from the exhaust port. Because the flow of gas inside the impeller is mainly in the radial plane, it is also known as a radial fan. 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, Japan first introduced fully enclosed flow measuring fans, which are now known as high-pressure fans（Vortex vacuum pump）. This fan, with its compact appearance and noise,Satisfied 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. The maximum pressure of the high-pressure fan was once refreshed to 230kpa, but this was only used as the maximum pressure of the fan. Influential foreign countries include NASH-ELMO, FPZ, ENERGY, BUSCH, TEAKOR, FUJI, etc. In 1988, fan technology was introduced to Siemens in Germany, creating today's high-pressure fans and blowersIt quickly sparked a wave of environmental protection for wind turbines in China. With its abundant funds and technology, reasonable product prices, and excellent after-sales service system, it has won the trust of many domestic and foreign enterprises and become a designated product for many large enterprises. The application of high-pressure fans has been popularized, widely used in industry and agriculture, covering infrastructure construction, environmental protection industries, automotive industry, electroplating industry, aquaculture industryIndustrial dust collection
high-pressure blowerIt has been widely used in environmental water treatment, such as aeration of sewage to meet the oxygen requirements of aerobic microorganisms in activated sludge and the conditions for full contact and mixing of sewage and activated sludge, thereby degrading various organic matter in water to achieve the purpose of sewage purification. It can also play a stirring role, as well as electroplating tank stirring and aquaculture, all of which play the same role.
(High pressure fan, circular fan)Widely used in filling machinery, hospital conveying systems, combustion oxygen reduction machines, cigarette filter forming machines, atomization dryers, screen printing machines, photographic plate making machines, injection molding machines, automatic feeding dryers, liquid filling machines, powder filling machines, welding equipment, film machinery, paper transportation, dry cleaning clothes, cleaning purposes, air dust removal, dry bottles, gas transmission, feeding, collection, central dust collection environmental protection, screen printing, electroplating, dust removal, food, packaging, filling, glass products, airflow transportation and other related industries and machinery,There are also folding machines, creasing machines, paper cutting machines and other machinery in the printing industry
Vortex high-pressure fan piping
When inserting the pipe into the air inlet and outlet, please keep the center consistent and do not connect it under forced circumstances. Ducthoses can be easily connected using shock-absorbing joints and can prevent the transmission of vibrations. Please do not directly add the weight of the pipe to the flange surface of the high-pressure fan to prevent deformation. When introducing hot air, please use flexible joints to avoid the influence of thermal expansion. Avoid sudden shrinkage, expansion, or bending that may result in poor fluid efficiency
High pressure fan manufacturer wiring
1. Please use the fixed frequency of the fixed voltage (recorded on the label) for the power supply, and assemble the correct circuit according to the wiring diagram.
2. The voltage variation should be within plus or minus 5% of the fixed voltage. (10% can also be used, but when there is a large voltage fluctuation for a long time, it is easy to cause faults, so it is best to avoid it.)
3. Due to the lack of an overheat load protection device for the blower, it is not possible to monitor its heat regularly. Therefore, please install an overload protection electromagnetic switch with the same horsepower. And adjust the safety current to be the same as or below the nameplate value.
4. Select standard wiring based on the horsepower of the motor and the electrical construction method.
The EU can refer to safety information such as EN60034, EN60204-1, EN294, and IEE wiring regulations. Specific industries and countries have further safety requirements, please consult their trade and safety regulatory units.
5. Confirm the direction of rotation:
After wiring is completed, turn on the switch briefly to confirm its rotation direction and whether there is any noise. The direction of rotation is indicated by the arrow on the blower. If the rotation direction is incorrect, the order of suction and supply air will be reversed. If it is three-phase, swap any two of the three external wires.
6. Grounding: To prevent accidents caused by leakage, please install a ground wire
Installation of industrial high-pressure blower
1. Flat washers and spring washers must be used to tighten screws;
2. It is best to use rubber buffer rubber to withstand the weight of high-pressure fans, especially high-power high-pressure 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 occasions with high noise requirements, a layer of soundproofing foam can be added according to the conditions of the machine itself to meet the on-site noise requirements. For specific details, please consult the manufacturer of the high-pressure fan or a professional noise control company;
5. When using sound-absorbing foam, pay attention to the distance between the high-pressure fan and the box, the ventilation and heat dissipation of the high-pressure fan, and the use of rubber buffer to bear the weight of the high-pressure fan. For specific details, consult the manufacturer of the high-pressure fan, such as Gaorui high-pressure fan, Siemens, etc;
6. The inlet and outlet pipes of high-pressure fans should be connected using hoses to isolate vibrations.
Different usage sites often use filter cartridges with different filtration accuracies, and different filter cartridges have different maintenance methods and service lives. It is necessary to clarify this 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 high-pressure fan that allows for a higher intake temperature
Instructions for using vortex air pump
When the high-pressure fan is running, the current consumed by the motor will increase with the increase of pressure and vacuum degree. If the current is too high, it will cause the contactor to trip. To prevent tripping or save electricity, please increase the cross-sectional area of the air outlet as much as possible, or install a wind pressure and air volume regulating valve on the suction or exhaust side.
A、 For air supply - appropriate filters should be installed at the inlet
1. The total cross-sectional area of the air outlet should be greater than half of the cross-sectional area of the fan outlet.
2. If used for air delivery in water, the water depth pressure should be below 70% of the maximum static pressure value indicated on the model catalog.
3. It is normal for the outlet temperature to be higher than room temperature by 10 degrees Celsius due to air friction during pressurized air delivery, so an iron pipe of at least 1M should be used.
B、 For suction - a silencer can be installed at the outlet
The total cross-sectional area of the suction hole should be greater than half of the inlet cross-sectional area of the blower.
C、 Simple cleaning method for filters:
Unscrew the self adapter of the filter and use an air spray gun or brush to remove dirt or dust from the filter screen. After cleaning, turn it back to use.
