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What are the differences in fan selection under different occasions

What are the differences in fan selection under different occasions

1. Roof exhaust fan shall be set preferentially if heat or steam exhaust is required. 2. When heating, cooling or fresh air supply is required, warm air or cold air flow should be allowed to flow through the position of the staff as much as possible, so pipe fans or side wall fans are often used. 3. For fire fighting and smoke exhaust, roof fans or hoisted air ducts shall be preferred, so pipe fans are often used. Note: Make full use of natural wind and air flow (fan position and form shall be reasonably set). Fan selection in specific occasions 1. Warehouse ventilation (1) To check whether the goods in storage are flammable and explosive, such as paint warehouse, explosion-proof fans must be selected. (2) Depending on the noise requirements, roof fans or environment-friendly centrifugal fans can be selected. (3) The most conventional fan or exhaust fan can be selected according to the air exchange volume required by the warehouse. picture 2. Kitchen ventilation (1) For kitchens that directly discharge lampblack indoors (that is, the air outlet is on the indoor wall), fans or exhaust fans can be selected according to the size of lampblack. (2) For kitchens with large lampblack, lampblack needs to pass through long pipes, and there is bending treatment in the pipes, it is strongly recommended to use centrifugal fans (4-72 centrifugal fans are the most common, and 11-62 low-noise and environment-friendly centrifugal fans are also very practical). This is because the pressure of centrifugal fans is higher than that of axial flow fans, and lampblack does not pass through the motor, so it is easier to maintain and replace the motor. (3) It is suggested that the kitchen with strong lampblack should use the above two schemes together for better effect.

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Features of permanent magnet direct drive large ceiling fan

Features of permanent magnet direct drive large ceiling fan

The permanent magnet direct drive large ceiling fan is a large fan. Large ceiling fan is a series of products specially developed for energy saving and consumption reduction and improving the comfort of working environment. As we all know, the effect of cooling comfort is not only achieved by cooling; The blowing area of the fan also depends on the diameter of the fan and is independent of the speed of the fan. Industrial fans with low speed and large diameter combine these characteristics. After years of intensive research and exploration, a kind of propeller blade with excellent performance has been developed by combining foreign advanced aviation technology. The permanent magnet direct drive large ceiling fan only needs to rotate slowly in the air to form a continuous and quiet breeze. A large amount of air flow generated by the slow rotation of the unique airfoil blades is pushed downward, thus creating an almost perfect propeller exhaust. The wind speed generated by the "permanent magnet direct drive large ceiling fan" is about 2-3m/s, which is completely calculated according to the air flow through the human skin to produce a better sense of cooling. Too strong air flow will make people physically and mentally dry and hot, and have a feeling of being directly blown away by the wind. Too high wind speed can also make people dizzy. Only through the organic combination of body surface volatilization and breeze speed can the human body feel cool. Permanent magnet direct drive large ceiling fan. The fan researched by Ebers is a large industrial fan with a diameter of 7.2 meters. The effective area of this fan is 1200 square meters, which can drive the air flow of more than 5000 cubic meters. Permanent magnet direct drive large ceiling fan is a green energy-saving and environmental protection product in the 21st century. It is favored by users for its pollution-free, low energy consumption and low noise. This product is mainly used in summer and is the perfect choice for ventilation and cooling of high-rise buildings. Principle of permanent magnet direct drive large ceiling fan: The permanent magnet direct drive ceiling fan of Fujian Huada Motor Co., Ltd. can push a large amount of air flow to the ground, forming a certain degree of horizontal movement of the air flow layer on the ground, thus contributing to the overall air circulation; This advantage lies in all-round ground coverage and three-dimensional air circulation.

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2022

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What is the difference between high-temperature fan and ordinary fan

What is the difference between high-temperature fan and ordinary fan

High temperature fan generally operates in the harsh environment of high temperature and pressure, so its structure, design principle and motor are more durable than ordinary fan. So where is the value of high-temperature fan? 1. The air inlet of high-temperature fan is designed by hydromechanics mechanism, with small air flow loss and high working efficiency of high-temperature fan. 2. The blade is designed according to the aerodynamic principle. The impeller consists of 10 backward inclined airfoil blades, a curved front disc and a flat rear disc. The materials are generally high-quality steel plates with high strength and good durability, which are subject to strict dynamic and static balance correction. 3. The motor is high temperature resistant, and its fluid part is made of high temperature resistant materials with good cooling effect. Compared with ordinary fans, the utility model has the advantages of firm structure, convenient and fast operation, and high cost performance. High temperature fans are mainly used in drying industry, boiler industry, cleaning industry and food drying industry. The tolerance temperature is between 75 and 850 ℃. The gas transported is air or other non spontaneous combustion, spontaneous explosion, winding, harmless to human body and corrosive to steel materials. Therefore, high temperature fans need to use high temperature and corrosion resistant materials.

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2022

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Talk about how to select large industrial ceiling fan

Talk about how to select large industrial ceiling fan

Talk about how to select large industrial ceiling fan Large industrial ceiling fans are an effective tool for manufacturers to solve the problem of high temperature in hot summer. If air conditioners are used in large plants, it is necessary to point out the expensive electricity charges. The installation of air conditioning pipes will not only increase investment but also go against the space layout of the plants. Therefore, large industrial fans are a sharp tool for manufacturers to cool down in summer, and also a high-quality choice to improve employment efficiency. Now, I will give you a general introduction to the selection technology of large industrial air conditioners. How to Select Large Industrial Ceiling Fans 1、 Real factory direct sales I believe that the reliable large-scale industrial fans must be sold directly by manufacturers. How to judge whether large-scale industrial fans are sold directly by manufacturers? Large industrial fans directly sold by manufacturers have regular after-sales service, so that the rights and interests of buyers can be protected; Secondly, the manufacturer's direct sales deliver faster, and the supply of goods can be practically guaranteed. Large industrial ceiling fans sold directly by the manufacturer have formal packaging, instructions and installation drawings. 2、 Excellent quality, perfect product details The quality of the best-selling large industrial fan must be excellent, and the details of each product can stand scrutiny. The hard quality and excellent details of the large industrial ceiling fan are mainly shown in the following aspects: the metal clasp of the net cover is firm and safe, and the installation is convenient and fast; The wall hanger is made of thickened materials, with strong bearing capacity and durability, and is equipped with expansion nails. The thickened base is used, with good stability and no shaking. 3、 The wind speed can be adjusted freely Generally, large industrial ceiling fans should have three different wind speeds, which can meet the needs of different occasions. For example, strong fans must have strong wind, sweeping heat; The mid tone wind is soft and energetic, making people feel double; The low-grade wind energy brings cool wind, which makes people feel natural and refreshing. When choosing a large industrial fan, we should make a decision on the price. We believe that a large fan with good quality and low price is the choice of each manufacturer. Before purchasing the real-time price of a large fan, we must communicate with the seller to see whether the price is a one-time price, promotion price or preferential price, and whether it meets the preferential conditions or rules of preferential activities when purchasing. After knowing the price, we should ensure the quality, Select large industrial fans with excellent cost performance. Which buildings are suitable for installing large industrial ceiling fans? Generally, the height of the workshop should be 5.5m-18m. Whether the workshop structure is steel structure, concrete structure, spherical grid structure or complex structure, it can be installed. There is no special requirement for the installation site, such as workshop, warehouse, commercial center, railway station and bus station, exhibition hall, livestock farm, etc. The workshop can be installed with or without a crane, and 220V - 380V can be installed. This is the end of Xiaobian's introduction to you today. Thank you for watching. If you need to purchase industrial ceiling fans, remember to consult our manufacturer.

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2022

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Characteristics of permanent magnet motor

Characteristics of permanent magnet motor

Structure and permanent magnet materials of permanent magnet motor Permanent magnet motor has the following forms: (1) rectangular pulse wave current, and permanent magnet brushless DC motor PMBDC has rectangular pulse wave current. (2) Sine wave current, permanent magnet reluctance synchronous motor PSM has sine wave current. (3) Hybrid permanent magnet motor. Permanent magnet materials: (1) Rare earth samarium cobalt: maximum energy density. (2) Neodymium iron boron: extensive resources, good processability.

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2022

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Baking fan: how to choose high-quality manufacturers?

Baking fan: how to choose high-quality manufacturers?

First, we can choose different baking fans according to the different nature of the conveyor. For example, when conveying some cleaning tools or some gas with dust content, the concentration is limited and can be used for ventilation. When delivering some corrosive gases, you should choose the ones that are durable, explosion-proof or lined. The specific situation should be determined according to the characteristics of the product. With more and more manufacturers making baking fans, they have gradually improved. So many inexperienced customers don't know how to choose, so they can't choose or find a high-quality manufacturer when choosing things. Let's take a look. A good company needs to have an official website, because my website has their production line address and contact information. These can help you to select the appearance of the baking fan, and you can see some professional knowledge in the following evaluation. Besides, the brand of this manufacturer is not big. If the brand is sufficient, the quality must be stable, otherwise it cannot develop to the present. So if you don't know about it, you can use this brand symbol to choose, and then see how the scale is. What you see on the Internet today is limited. Then we can choose the baking fan manufacturer below. In some distant places, we don't recommend to go to some nearby and suitable ones, so we can do research and field investigation. If the scale is relatively large, and the product quality can be controlled, you can also spot check the products in the warehouse, and then make patient choices. I think it will be very reassuring. In addition to these, we should also consider whether it is a small manufacturer if it is lower than the market price, and whether it has any advantages if it is higher than the market price. It is more appropriate to choose a baking fan manufacturer that is not high or low. Very high or low is tricky. Only by mastering these points can we better understand them in this process. Cuicui Co., Ltd. specializes in making this product. If you have the opportunity, you can contact us. You can get some feedback on this quality. Many companies will give a good evaluation after using our products. They have many years of practical experience in this market. Don't worry about some loopholes. This is the factory of baking fan. Professional informatization is trustworthy, do you think?

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