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首页 // 产品展示 // 锅炉通引风机 // G、Y4-73型锅炉通引风机 You are here: ??ֲ?? // Products // Boiler Draft Fan // G, Y4-73 Boiler Draft Fan
※ G, Y4-73 boiler draft fan
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Product unit:
product price:
G, Y4-73 boiler draft fan
Product introduction :
G4-73 and Y4-73 boiler ventilation and induced draft fans are suitable for ventilation and induced draft fan systems of 2 ~ 670T / h steam boilers in thermal power plants. When there are no other special requirements, G4-73 can also be used for mine ventilation and general ventilation.

The medium conveyed by the fan is air, and the maximum temperature must not exceed 80 C; the medium conveyed by the induced draft fan is smoke, and the temperature must not exceed 250 C. The ventilator and the induced draft fan are made into a single suction, each having 12 machine numbers №8 ~ 28.

Before the induced draft fan, a dust removal device must be installed to minimize the dust content of the flue gas entering the fan. According to the strange situation of the general power plant, the dust removal efficiency must not be less than 85%. The fan transmission method is D type, all adopt elastic coupling transmission.

The fan is mainly composed of impeller, casing, air inlet, regulating door and transmission part.

Impeller: The blades which are chamfered by 12 backward tilting wings are welded between the arc-shaped conical front plate and the flat rear plate. The structure of the impeller of the same number and the induced draft fan is the same.

Chassis: The casing is a snail body welded with ordinary steel plates. The casing of the single-suction fan is made into three different forms: №8 ~ 12 casing is made as a whole structure and cannot be disassembled. №14 ~ 16 case is made of two-open type. №18 ~ 28 case is made of three-open type. The induced draft fan and snail plate were appropriately thickened to prevent wear.

Air inlet: The convergent, streamlined air inlet is made into an integral structure and is fixed on the fan inlet side with bolts.

Adjusting door: a device for adjusting the flow of the fan, which is installed axially in front of the air inlet. The adjustment range is from 0 (fully open) to 90 (fully closed).

G4-73 boiler centrifugal fan performance parameters

Machine number NO

Speed r / min

Flow m3 / h

Full pressure Pa

Motor power kW

8D

1450

16156-30993

1400-2104

18.5

9D

1450

23003-44128

1775-2668

30-37

960

15229-29216

775-1163

11

10D

1450

31554-60533

2194-3301

55

960

20891-40077

958-1437

15-18.5

730

15886-30475

553-829

7.5

11D

1450

41999-80570

2659-4003

75-90

960

27806-43343

1160-1741

22-30

730

21144-40562

669-1004

11

12D

1450

54526-104600

3171-4777

132-160

960

36100-69253

1381-2075

37-45

730

27451-52661

797-1196

15-18.5

14D

1450

86586-166100

4333-6541

280-315

960

57326-109970

1883-2831

75-90

730

43591-83624

1086-1630

37-45

16D

960

85571-164150

2465-3709

185

730

65069-124820

1420-2133

75

580

51699-99178

894-1343

45

18D

960

121830-233730

3126-4710

280-315

730

902648-177730

1800-2705

132

580

73610-141210

1133-1702

75

20D

960

167130-320610

3870-5837

450-560

730

127080-243800

2225-3347

210-245

580

100970-193700

1400-2104

110-132


Y4-73 boiler centrifugal induced draft

Machine number NO

Speed r / min

Flow m3 / h

Full pressure Pa

Motor power kW

8D

1450

16156-30993

868-1303

11-15

9D

1450

23003-44128

110-1651

22-30

960

15229-29216

481-721

7.5

10D

1450

31554-60533

1359-2041

37-45

960

20891-40077

594-891

11

730

15886-30475

343-515

5.5

11D

1450

41999-80570

1646-2474

55-75

960

27806-43343

719-1079

18.5

730

21144-40562

415-623

7.5-11

12D

1450

54526-104600

1961-2949

90-110

960

36100-69253

856-1285

30

730

27451-52661

495-742

11-15

14D

1450

86586-166100

2676-4029

185-220

960

57326-109970

1167-1752

55-75

730

43591-83624

674-1010

22-30

16D

960

85571-164150

1526-2293

110-132

730

65069-124820

880-1321

45-55

580

51699-99178

555-833

45

18D

960

121830-233730

1934-2908

200-220

730

902648-177730

1115-1674

90-110

580

73610-141210

703-1055

45-55

20D

960

167130-320610

2392-3598

355

730

127080-243800

1378-2070

132-160

580

100970-193700

868-1303

75-90

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