GOST R 55788-2013 Draft machines Terms and definitions《通风机 术语和定义》.pdf

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1、 55788 2013 2015 557882013 II 1 ( ), ( ) 2 244 3 22 2013 . 1588- 4 1.02012 ( 8). ( 1 ) , . () . , (gost.ru) , 2015 , 557882013 III , . . - . . , , . . , , , , . , . . , , , , . 557882013 1 Draft machines. Terms and definitions 201407 01 1 , . : - ; - ; - ; - ; - . : - , , ; - ; - ; - . , , , () . 2

2、1 ; : , , , . draft machine 2 : , . draft unit 3 : , . axial draft machine 4 (. ): , , . . centrifugal draft machine 557882013 2 5 ; : centrifugal single-suction draft machine 6 ; : , , , () . , . centrifugal double-suction draft machine 7 : single-stage draft machine 8 : , . multi-stage draft machi

3、ne 9 : , 1000 . low pressure draft machine 10 : , 1000 3000 . intermediate pressure draft machine 11 : , 3000 30000 . high pressure draft machine 12 : , ( ). right-hand draft machine 13 : , ( ). left-hand draft machine 14 : . 1 . 2 adjustable draft machine 15 : , fixed draft machine 16 : 100 10 /3,

4、. fan 17 : , fan unit 18 : , - . forced-draft fan 557882013 3 19 : , . mill fan 20 : , 400 . hot-blast fan 21 - : 100 10 /3. corrosion-resistant fan 22 : , , , , . explosion-proof fan 23 : , 250 2 /3 . induced-draft fan 24 ( ): , 400 2 /3 . gas recirculation induced-draft fan 25 () (. ): , , . sucti

5、on capacity 26 : . total pressure 27 : , . dynamic pressure 28 : . static pressure 29 : . power demand 30 : , , overall efficiency 31 : . maximum efficiency 32 : , , . static efficiency 557882013 4 33 : . average weighted efficiency 34 : , . rated operating condition 35 (): / , , , . 36 ( ): , , , .

6、 . aerodynamic characteristic dimensionless aerodynamic characteristic 37 : , , 1 3/ 1/2. . specific speed 38 : , , 1 3/ 1/2. . size 39 : , , , , , , , , . dimensionless parameters 40 : , , . aerodynamic diagram 41 : , . impeller diameter 42 : . suction diameter 557882013 5 43 ( ): , . , , . 44 ( ): . , , . impeller blade inlet angle (of centrifugal draft machine) impeller blade outlet angle (of centrifugal draft machine) 45 : , . operating point 46 : , . set point 47 : . rotor inertia moment 48 : . adjustment range of draft machine 49