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首页 // 产品展示 // 锅炉通引风机 // Y4-70(Ⅱ)型锅炉引风机 You are here: ??ֲ?? // Products // Boiler Induced Draft Fan // Y4-70 (Ⅱ) Boiler Induced Draft Fan
※ Y4-70 (Ⅱ) boiler induced draft fan
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Y4-70 (Ⅱ) boiler induced draft fan
Product introduction :
Y4-70 Ⅱ furnace draft fan is a draft fan designed for small (0.5 ~ 4t / h) industrial boilers that are suitable for burning various coals or equipped with smoke and dust removal devices. Where the intake conditions are at a gas temperature of t = 240 C, an atmospheric pressure of Pa = 101300Pa, and a specific gravity of gas of r = 0.685kg / m3, the equivalent performance is applicable, but the lowest temperature must not exceed 250 C.
At present, there are many small industrial boiler series, the combustion quality is very different, and the required air volume and air pressure are quite different. Therefore, the air pressure requirements are higher than before. In order to adapt to the above situation, a triangle tape (C type) transmission is adopted, so as to obtain the required air volume and pressure by changing the diameter of the motor pulley according to the actual situation.
The air inlet of the fan adopts a convergent and streamlined shape with the same geometric dimensions as the 4-72 series, which not only makes the air inlet processing technology and tooling molds universal, but also has good aerodynamic performance of the fan, with a maximum efficiency of 83%; The impeller uses 18Mn flat blades, which is easy to manufacture, not easy to accumulate ash, and has good strength and abrasion resistance. The casing has a ash cleaning door, which is also convenient to remove the ash accumulating on the blade to ensure the dynamic balance of the impeller.
The induced draft fan is made into single suction, and the machine numbers are №4, 5, and 6. Can be made into left-handed and right-handed two types. The position of the air outlet of the fan is expressed by the angle of the air outlet of the casing, and "left" and "right" can be made into three angles of 0 , 90 , and 180 .
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