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4-68 centrifugal fan
Patent No.:
★ Use
4-68 centrifugal fan can be used as a general plants and large buildings indoor ventilation . Is used to enter the gas , can also be used to export gas . By gas should not spontaneous combustion , harmless , no corrosion of the steel material gases. Gas was allowed to contain viscous substances contained dust and hard particles should not exceed 150mg / m3.
★ MODEL
From the motor side of the face , the impeller rotates clockwise , called a cyclone , the " right" ; impeller counterclockwise rotation, called L- blower to " left".
Fan outlet location to the chassis of the outlet angle . Machine No. No2.8 ~ 6.3 factory are made of one kind of type, the use of units as required , and then install into the desired position , the order is not required to specify. No8 ~ 12.5 export position adjustment range 0o ~ 22.5o, interval 45o. Machine number No16, 20 made from a fixed three kinds of export position ; 0o, 90o, 180o, can not be adjusted when ordering .
The fan drive with A, B, C, D four kinds .
Machine No. No2.8 ~ 5 with A -type transmission , No6.3 ~ 12.5 using C, D type transmission , No16 ~ 20 using B -type transmission .
★ Structure
Machine No. No2.8 ~ 5 mainly by the impeller , casing, inlet and other units assigned direct-motor and components. No6.3 ~ 20 In addition to the above section , there are other transmission parts .
( 1 ) impeller 12 backward curved airfoil blades welded to the wheel cover with flat **** middle . Are steel manufacture, and the dynamic and static balance correction, air , good performance, high efficiency and smooth operation.
( 2 ) ordinary steel chassis is welded snail shape. Case made of two different types . No2.8 ~ 12.5 chassis made whole, and can not be disassembled . No16 ~ 20 casing made of two open , grab the horizontal plane into two halves along the outer , with the gong bolt connection.
( 3 ) made of convergent inlet streamline the overall structure , mounted on the fan side , parallel with the axial load surface for the shape of the curve , the gas can successfully enter the impeller, and a smaller loss
Transmission part of the spindle , bearing housing, bearings , pulleys or couplings components.
★ 4-68 centrifugal fan performance selection table
Machine number Speed (R / min) Sequence Full pressure Flow Internal Efficiency% Internal power Required power Supporting the motor Type Power / Kw 6.3C 2240 1 3159 12852 84.8 13.29 16.09 Y180M-2 22 2 3109 14511 88.1 14.22 17.21 3 3030 16169 90.5 15.03 18.19 4 2893 17828 91.4 15.67 18.96 5 2707 19486 90.2 16.24 19.65 6 2491 21144 85.9 16.89 20.44 7 2197 22803 81.3 17.11 20.80 6.3C 2000 1 2481 12956 4.8 9.43 11.42 Y160M2-2 15 2 2413 14437 88.1 10.13 12.42 3 2305 15917 90.5 10.69 12.94 4 2158 17398 91.4 11.15 13.49 5 1971 18879 90.2 11.56 14.00 6 1756 20359 85.9 12.03 14.56 7 2481 12956 81.3 12.21 14.78 6.3C 1800 1 2040 10328 84.8 6.90 8.35 Y160M1-2 11 2 2010 11660 88.1 7.39 8.94 3 1952 12993 90.5 7.78 9.42 4 1863 14325 91.4 8.11 9.82 5 1746 15658 90.2 8.41 10.19 6 1589 16991 85.9 8.73 10.56 7 1422 18324 81.3 8.90 10.77 6.3C 1600 1 1608 9180 84.8 4.83 5.85 Y132S2-2 7.5 2 1589 10365 88.1 5.19 6.28 3 1550 11550 90.5 5.49 6.65 4 1471 12734 91.4 5.69 6.89 5 1383 13918 90.2 5.92 7.17 6 1255 15103 85.9 6.13 7.42 7 1118 16287 81.3 6.22 7.53 6.3C 1400 1 1236 8032 84.8 3.25 4.10 Y132S-4 5.5 2 1216 9069 88.1 3.48 4.39 3 1187 10105 90.5 3.68 4.65 4 1128 11142 91.4 3.82 4.82 5 1059 12178 90.2 3.97 5.02 6 961 13215 85.9 4.11 5.19 7 863 14251 81.3 4.20 5.31
Number
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Kw
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