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G/Y4-73 centrifugal fan
Features: High efficiency , high temperature, easy maintenance
Purpose : G4-73 and Y4-73 boiler pass, induced draft fan for the power plant 670t / h steam boiler through the following , fan systems. In no other special requirements , G4-73 can be used for mine ventilation and general ventilation.
Introduction-85058金沙 Detail-www.1495.com
Product Type : G/Y4-73 centrifugal fan
Features: High efficiency , high temperature, easy maintenance
Purpose : G4-73 and Y4-73 boiler pass, induced draft fan for the power plant 670t / h steam boiler through the following , fan systems. In no other special requirements , G4-73 can be used for mine ventilation and general ventilation.
Environment : Media blowers for air transport , the maximum temperature should not exceed 80 ℃; media induced draft fan for conveying gas, the maximum temperature does not exceed 250 ℃. Before the induced draft fan , dust removal device must be installed into the fan in order to minimize the dust content of flue gas .
Features: The main fan impeller , housing, air inlet , adjust the door and transmission parts.
    1) impeller backward by the 12 wing beveled blade welding arc cone in the middle of the front and rear plates of the plate -shaped . As a result of the wing -shaped blades, to ensure that the fan high efficiency, low noise, and high strength. Impeller static and dynamic balance correction , it is smooth . The same number of machines through the same draft fan impeller .
    2) there is a common chassis welded steel worm body . Single inhalation fan casing made ??of three different forms (№ .8 ~ 12 chassis made  of the whole structure , not open , № .14 ~ 16 chassis made ??of two forms , № .18 ~ 28 chassis made three open ) . On the fan, snail -shaped plate made ??thicker to prevent wear appropriate .
    3) converges , when the air is made streamlined overall structure bolted to the fan inlet side .
    4) the device used to regulate the flow of fans , axial mounted in front of the air inlet . Adjustment range from 0 ( fully open ) to 90 ( fully closed ) . Adjust the position of the door pull from the air inlet in the right direction to see , on the right-hand fan pull up the next push by the fully closed to fully open by the direction of L fan, pull put on by the pull down from the fully closed to full direction .
    5)Spindle transmission parts made  of high quality steel, the fan bearings are used . There are two forms bearing box : № .8 ~ 16 cartridge with integral bearing housing ; № .18 ~ 28 with two separate pillow bearing housing . Mounted on the bearing housing thermometer and oil level indicator ( cited only fan ) . Lube oil system with full loss of L-AN46, joined by measuring the oil level mark. № .8 ~ 16 overall drum bearing box such as the use of grease in ball bearings inside the gear oil should be added to the side panels, which have been pre- slot . Induced draft fan with water cooling . Therefore , to be added pipes , water consumption varies with different temperatures , generally 0.5 ~ 1m3 / h considered.-www.9822.com
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