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进口高效节能风机美国阿卡迪亚品牌

进口高效节能风机美国阿卡迪亚品牌

【专用名称】

价格:

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品牌:

凡而阀门

备注:

进口高效节能风机

凡而阀门

  • 厂家名称:上海凡而阀门有限公司
  • 经营模式:生产厂家(已认证)
  • 联系人   :苏生
  • 联系方式:139**** **** 登录可见
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进口高效节能风机美国阿卡迪亚品牌


进口高效节能风机Product Description:

 

It includes a fan shell with an air inlet and an air outlet. The fan shell is provided with a impeller containing cavity for holding the impeller. An impeller is arranged in the impeller containing cavity. A collector is arranged in front of the impeller. A motor is arranged at the rear end of the fan shell. The impeller is connected with the output shaft of the motor. The distance between the two end faces of the impeller is 90% ? 96% of the distance between the two end faces of the impeller containing cavity. The utility model has the advantages of larger air volume, lower cost and higher efficiency.

 

进口高效节能风机characteristic:

 

Fans are widely used for ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, as well as ventilation and air induction of boilers and industrial furnaces; Cooling and ventilation in air conditioning equipment and household appliances; Grain drying and selection, wind source in wind tunnel, inflation and propulsion of hovercraft, etc. For example, the utility model discloses a fan, the structure of which is as follows: it comprises a fan shell, a motor and an impeller, the rear end of the fan shell is provided with a motor, the impeller is arranged in the fan shell and is connected with the output shaft of the motor, the impeller comprises a front cover plate, a rear cover plate and blades, the annular array between the front cover plate and the rear cover plate has multiple blades, the blades are vertically arranged between the front cover plate and the rear cover plate, and the blades are arc-shaped; The extension line connecting the outer center and the inner center of the blade passes through the center of the front cover plate and the rear cover plate.

 

进口高效节能风机Principle:

 

The air outlet of the fan shell extends to the side of the volute tongue, so that the relationship between the radius r of the circular arc at the bottom of the volute tongue of the fan shell and the radius R2 of the impeller is r = 0.07 ~ 0.09r2, the blades on the impeller 2 are arranged along the circumference of the impeller, and the included angle between the blades 220 and the tangent line on the impeller consistent with the direction of rotation of the impeller α Is greater than or equal to 138 ° and less than or equal to 153 °. When in use, the gas rotates in the fan casing. As the air outlet expands to the side of the volute tongue, when the air flows through the air outlet, the channel area is continuously expanded, and the gas flows more smoothly through the air outlet. There is a limited relationship between the arc at the bottom of the volute tongue and the radius of the impeller. In this way, the arc at the bottom of the volute tongue is within the appropriate range, so that the radius of the arc is too small to cause excessive noise, Nor will the radius of the arc be too large to affect the gas flow at the air outlet. The noise caused by the friction between the gas and the fan 

(仅供参考)


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