HJ HJ/T 59-006 HCRJ 034-998 Specifications for environmental protection product Rotary brush aerator 006 04 3 006 06 5

3 4 5 6 3 7 5 8 6 A( ) 8 B 9 C( ) 0 I

006 4 3 006 6 5 (HCRJ 034-998) II

HJ/T59 006 GB/T 9 GB/T 6404 GB/T 986 GB/T 690 GB/T 348. GB/T 3306 GB/T 3384 CJ/T 305. JB/T 5946 JB/T 8680-998 ph Y IP54 63~355 3 3. 3. 3.3 0.035 0 5 Pa kgo /h 3.4 0.035 0 5 Pa kgo /kw 3.5

0.3m/s 4 4. mm 3000mm 4500mm 6000mm 7500mm 9000mm 4. BZ / m mm BZ - 9000/.0 9000mm.0m 5 5. 5.. 5.. a) : -0 50 4 50 b) ph 5.5 9.0 c) 380V ± 40V 5..3 6000h 5..4 5..4. 5.. ±5 5..4. 35 40 5..5 50Nm

5..6 a) b) 5..7 5..7. 00µm 5..7. JB/T 5946 5..8 JB/T 8680-998 5. 5.. 5.. 85dB(A) 80dB(A) 6 6. ph GB 690 6. 6000h 6.3 6.3. 6.3.. 0 00 ; 6.3.. 6.3. 50mm 6.4 7rpm 74rpm GB/T 348. 6.5 6.5. 6.5. GB/T 986 6.6 6.6. 3

BZ /.0 3000/.0 4500/.0 6000/.0 7500/.0 9000/.0 rpm m 3 /m mm kw mm mm kgo /kwh kgo /h 7 74.8 4 65 3/6 3000 48 50 00 300 000.8 0 7 74 5.8 4 65 7 74.8 35 65 8.5/ 4500 48 50 00 300 000.8 5 7 74.8 35 65 7 74.8 46 65 /8 6000 48 50 00 300 000.8 7 74 30.8 46 65 7 74.8 56 65 6/3 7500 48 50 00 300 000.8 8 7 74 37.5.8 56 65 7 74.8 74 65 30/45 9000 48 50 00 300 000.8 35 7 74 45.8 74 65 BZ /0.7 mm rpm m 3 /m kw mm mm kgo /kwh kgo /h 83 85.8 55 7.5 3000 50 00 700.8 3000/0.7 83 85 7.5.8 55 83 85.8 7.5 55 4500 50 00 700.8 4500/0.7 83 85.8 7.5 55 83 85.8 3 55 5 6000 50 00 700.8 6000/0.7 83 85 5.8 3 55 6.6. a b c / 4

CJ/T 305. A 6.6.3 B 6.6.4 C 6.6.5 6.6.5..5m 6.6.5. GB/T 6404 7 7. 7. 7.. 7.. 5 7..3 7.3 a) b) c) d) e) f) 7.4 a) b) c) d) 00 e) 7.4. a) b) c) 5

d) e) 7.5 7.5. 7.5. A B 7.6 7.6. 7.6. A B 7.6.3 A B 8 8. GB/T 3306 8. a) b) c) d) e) f) 8.. GB/T 3384 GB/T 9 8.. a) b) c) d) e) f) 6

8.3 g) 8.4 7

A 40m 3 4m m A. dc dt = K ( C C) A. ln( C C) = ln C K t A. : Cs mg/l s La C mg/l t min s s K La min - A. K Las = K La La 0 T θ (A.3) K Las min - K La min - θ.04 T A.3 q c = K V C /n Las s(0) = 0. 55 V /n (A.4) K Las q c kg/h V m 3 C s(0) 0 9.08 mg/l n n 6 7 A.4 E P q E c P = A.5 NT : E p kg/kw h q c kg/h N T kw 8

B ( ) B. ρv ν = ρ Vν (B.) ρ, ρ kg/m 3 V, V m 3 ν, ν m/s ρ = ρ v = 0.3m / s PC = V B. B.. B.. B.3 PC = V = Vν (B.) = V ν. ν V 5 ν B. B.4 B. 9

C ( ) C. C. SAE KgO / kw h ; STOR KgO / h ; C.3 Ns kw C.3. C.3. C.4 SAE = SOTR / (C.) N S N S = 3 VI cosφ (C.) Ns kw; V I A cos C.5 C. 0