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Jin Blower Group (Picture) -Axial Flow Fan-Shaanxi Fan:Tianjin fan , Tianjin blower , Tianjin fan
What oil is used in rotary blowers? Can rotary blowers work without fuel? Please read below to learn more about rotary blowers.
When the rotary blower is running, it must not be refueled, otherwise short-term damage will occur. When the rotary blower is in operation, it needs lubricating oil to lubricate it, otherwise it cannot operate normally. When the rotary blower is in operation, it needs to drop per second. Add two to three drops of lubricating oil to ensure the lubrication of the fan impeller so that it can run normally.
The rotary blower has a separate oil and gas separation chamber. In order to save the oil recovery device, it is not possible to fully separate the oil and gas. Most of the air transported contains some oil.
Rotary blowers are mainly used in some small sewage treatment. The advantages are low noise, low energy consumption, and relatively cheap.
How to choose the right kitchen exhaust fan
I. How to determine the air volume of the fan?
Method 1: Calculate according to the number of stove heads
Method 2: Calculate according to [length of hood]
How to determine the wind speed of the main duct?
The wind speed of the air duct is generally 10m / s-14m / s. It is recommended to choose 10m / s. When the head space is insufficient, the flow velocity can be appropriately increased, that is, the size of the pipeline is reduced. The cost of operation and the excessive wind speed must be considered when selecting. Impact of noise on the environment.
3. How to determine the cross-section size of the air duct?
The calculation formula is:
Cross-section area of main air duct = air volume ÷ wind speed ÷ 3600
How to determine the position and size of the hood suction port?
The position of the hood suction mouth (commonly known as the smoke throat) should be set directly above the cooking stove, taking into account the wind speed of the suction mouth = the wind speed of the main smoke pipe. The size of the suction port is generally set to 250 × 300mm, no more than 300 × 350mm, the opening is smaller the closer to the fan, the air duct can also be reduced in diameter according to the segmented exhaust volume, which can better control the flow rate and ensure the smoke exhaust effect .
V. What do I need to pay attention to when installing fans and ducts?
When the fan is connected to the wind pipe, there must be no elbows in the air inlet and outlet of the fan twice the diameter of the impeller, and there must be no sudden changes in the cross-section of other pipes.
If you do not pay attention during installation, the air inlet may cause abnormal fan performance, and the air outlet may cause a sharp increase in pipe resistance.
Fans used in the Jin blower group-sewage treatment plants are:
1. Sewage treatment fan-Centrifugal fan If the load requires a constant pressure effect, use a centrifugal fan. Because the centrifugal fan is a constant pressure fan, the main parameter of the work is the wind pressure. The output air volume changes with the changes of the pipeline and the load, and the wind pressure does not change much. Centrifugal fans have low wind pressure. The air compression process is usually carried out under the action of centrifugal force through several working impellers (or several stages). Centrifugal fans belong to square torque characteristics, while roots fans basically belong to constant torque characteristics.
2. Sewage treatment fan-Rotary fan. Generally speaking, Roots blower has large air volume and high pressure. Similarly, Roots blower also has a lot of noise. Rotary blower is selected. Rotary blower is also a constant flow fan. The main parameter of work is air volume. Shaanxi fan. The output pressure changes with the change of pipeline and load. Fan manufacturers, its main characteristics are: low speed, low noise, low vibration, efficiency, high energy saving.
With the advancement of science and technology, the quality of technological innovation fans is also continuously improved. The Jin Blower Group has accumulated years of experience and the cultivation of technical personnel to create high-quality brand services and after-sales services for customers. At the same time, thank new and old customers for their strong support and trust.
Shaanxi Fan-Jin Blower Group-Fan manufacturers are provided by Jin Blower Group Co., Ltd. "Fan blower ventilator centrifugal fan" was selected by Tianjin Blower Group Co., Ltd. (fuzzlinks.com). The company is located at No. 9 Xishui West Road, Beichen District, Tianjin. For many years, Jin Blower has been adhering to provide customers with good Service, Contact: Mr. Mao. Welcome new and old customers to call us, email us, visit us and negotiate business. Jin Blower looks forward to becoming your long-term partner!
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