Strong product manufacturing capabilities and individualized demand customization

Strong product manufacturing capabilities and individualized demand customization

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Strict quality management system

Strict quality management system

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Keep improving and win the market with quality

Keep improving and win the market with quality

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Provide comprehensive solutions for precision metal integration

Provide comprehensive solutions for precision metal integration

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Welcome to ZELI

Welcome to ZELI

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Company News

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CNC machining Part

Pump Part

Camlock coupling

Auto Part

Valve Part

Stainless Steel Machinery Parts

Pressure transmitter housing

oil pipe fitting

Auto Fittings

Stainless Steel housing

exhaust Gas pipe

Stainless Steel sensor

Stainless Steel Bracket

Ways to prevent impeller wear

The wear of the fan impeller is related to the composition, particle size, concentration, shape, impact speed, impact angle, chemical composition, properties, temperature and humidity of the abrasive. The unevenness of the gas flow inside the impeller accelerates the wear.

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Several classification types of impeller

Impellers can be classified by shape into the following categories: Centrifugal impeller: The blade shapes of centrifugal fan impellers are veneer type, arc type, and airfoil type. The airfoil blades of the centrifugal impeller have good aerodynamic characteristics, high efficiency, good strength, and high rigidity. The disadvantage of centrifugal impellers is that the manufacturing process is complicated, and when the gas with high dust concentration is transported, the blades are easy to wear. The flat-plate straight blades of centrifugal impellers are simple to manufacture but have poor flow characteristics. Compared with airfoil blades, flat-plate curved backward blades have lower efficiencies near the highest efficiency point, and the efficiencies at other operating points are quite close.

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2022

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Introduction of Open Impeller

The impeller not only refers to the wheel disc with moving blades, but also is an integral part of the rotor of the impulsive steam turbine. The impeller can also refer to the general term for the wheel disc and the rotating blades installed on it. Impellers can be classified according to shape and opening and closing.

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Two classifications of impeller

The closed impeller: It consists of blades and front and rear cover plates. The closed impeller has high efficiency and is difficult to manufacture, and is most used in centrifugal pumps. It is suitable for conveying clean liquids with low viscosity and no particles, such as clean water and solutions.

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2022

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A brief introduction to discount Impeller

The following paragraphs of this article will cover some basics of Impeller. The impeller not only refers to the wheel disc with moving blades, but also is an integral part of the rotor of the impulsive steam turbine. The impeller can also refer to the general term for the roulette and the rotating blades installed on it. Impellers can be classified according to shape and opening and closing.

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2022

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Notes on the use of Fixed Gas Detector Apparatus

Fixed Gas Detector Apparatus can be widely used in 24-hour continuous online monitoring of various gas concentrations on site and measurement of temperature and humidity. When flammable or toxic gas leaks in industrial environments, when Fixed Gas Detector Apparatus detects that the gas concentration reaches explosion or poisoning alarm settings When the critical point is reached, the alarm will send out an alarm signal to remind the work to take safety measures. The Fixed Gas Detector Apparatus will drive the exhaust, cut-off, and spray systems to prevent explosions, fires, and poisoning accidents, thereby ensuring safe production. So do you know what are the precautions for using Fixed Gas Detector Apparatus? The following paragraphs will introduce to you:

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