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首页 // 产品展示 // 煤粉离心通风机 // M9-26型煤粉离心通风机 You are here: ??ֲ?? // Products // Pulverized Coal Centrifugal Fan // M9-26 Pulverized Coal Centrifugal Fan
※ M9-26 Pulverized Coal Centrifugal Fan
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M9-26 Pulverized Coal Centrifugal Fan
Product introduction :

First, the purpose of the fan

The M9-26 pulverized coal centrifugal fan is mainly used for forced ventilation of the pulverizing system of boilers in small and medium thermal power plants. It can also be used to transport materials, air and non-corrosive, non-combustible, non-sticky gases. 80 C.

Second, the form of the fan

The ventilator is made of single suction, there are 6 models of №12.5, 13, 14, 15, 16.5, all of which are D-type transmission.

The ventilator is made into two types of right rotation and left rotation. Looking at the fan from the transmission group, if the impeller rotates clockwise, it is referred to as right rotation, which is indicated by "right"; counterclockwise rotation is referred to as left rotation, which is indicated by "left".

The outlet position of the fan is indicated by the outlet angle of the casing. "Left" and "Right" can be made into six angles: 0 degrees, 45 degrees, 90 degrees, 135 degrees, 180 degrees, and 225 degrees.

Third, the structure of the fan

The fan is mainly composed of impeller, casing, air inlet, transmission group, etc.

1. Impeller: There are 16 pieces and 32 pieces, forward bending type, the blades, wheel covers, and discs are all made of 16Mn, and the wear layer is on the way, the impeller has no blade diffuser, and the maximum peripheral speed is 140m / s. After the impeller is formed, it is corrected for static and dynamic balance, so it runs smoothly.

2. Chassis: It consists of two parts. After being disassembled, the rotor can be lifted up for easy maintenance. The volute plate is made of 16Mn to improve the abrasion resistance, and the rest is welded with ordinary steel plates to form the entire volute.

3. Air inlet: It is made into a convergent streamlined overall structure, which is fixed on the inlet side of the cabinet with bolts.

4. Transmission group: It consists of main shaft, bearing box, belt pulley and so on. The main shaft is made of high-quality steel to make the overall structure of the box. It is made by rolling, and it is lubricated with made grease.

Fourth, characteristics

1. In terms of performance, it can completely replace the original old fan, and its maximum efficiency reaches 81.2%, which can save a lot of power.

2. The original materials (wheel cover, wheel disc, blade) are all made of 16Mn steel plate, which has added abrasion-resistant coating and prolonged service life.

3. The transmission parts (except the main shaft) are common with the old products, and the basic size is the same as the old products (except 0 degree air outlet).

4. Due to the larger total pressure coefficient of the new fan, its original diameter is smaller and the peripheral speed is also smaller, thereby improving the stability of the fan.

Performance parameter table of M9-26 pulverized coal fan

Product number

Rotating speed
r / min

Serial number

Full pressure Pa

Flow m3 / h

Electric motive

Type

Power kW

13 D

1450

1

8947 ~ 8614

37730 ~ 47162

JS-126-4 (3000V)

190

2

8359 ~ 8075

51879 ~ 56595

JS-126-4 (380V)

225

3

7722 ~ 7350

61311 ~ 66027

JS-127-4 (380V)

260

14 D

1450

1

10368 ~ 10221

47127 ~ 53018

JS-127-4 (3000V)

230

2

9986 ~ 9349

58909 ~ 70690

JS-136-4 (3000V)

300

3

8957 ~ 8526

76581 ~ 82473

JS-137-4 (3000V)

350

15 D

1450

1

11907

57968

JS-136-4 (3000V)

300

2

11730 ~ 11466

65214 ~ 72460

JS-137-4 (3000V)

350

3

11330

79706

JS-138-4 (3000V)

410

4

10741

89652

JSQ-146-4 (3000V)

430

5

10280 ~ 9790

94198 ~ 101444

JSQ-147-4 (3000V)

500

16.5 D

1450

1

14406

77161

JSQ-147-4 (3000V)

500

2

14190 ~ 13877

86807 ~ 96452

JSQ-148-4 (3000V)

570

3

13475 ~ 12995

106097 ~ 115742

JSQ-1410-4 (3000V)

680

4

12436 ~ 11848

125388 ~ 135033

JSQ-1510-4 (6000V)

830

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