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    Welcome to the official website of Zhoukou General Blower Co., LTD

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    M7-29 Pulverized coal centrifugal fan

    M7-29 Pulverized coal centrifugal fan
    Product category:Dust blower

    Product introduction

    M7-29 pulverized coal centrifugal fan uses:

    The M7-29 pulverized coal centrifugal fan is designed according to the performance required by the pulverized coal combustion system of the thermal power plant boiler. It is used to blow pulverized coal to the boiler. The pulverized coal cannot pass through the impeller directly, otherwise the impeller will be easily worn. The inside of the volute is lined with a guard so that it can be replaced after wear. There is lubricating oil stored in the bearing box for heat dissipation of the bearing, and a cooling water pipe is installed to cool the lubricating oil.
      
    Type of M7-29 pulverized coal centrifugal fan:

    1. The M7-29 pulverized coal centrifugal fan is a single suction type, consisting of six models of M7-29 №11, 12.5, 13, 14.5, 16, and 17.

    2. The M7-29 pulverized coal centrifugal fan is made into two types of clockwise rotation and counterclockwise rotation. Viewed from one end of the motor, the impeller rotating clockwise is called a clockwise fan, which is represented by "shun"; the impeller rotating counterclockwise is called a counterclockwise fan, which is represented by "counter".

    3. The outlet position of the fan is represented by the air outlet angle of the casing, and the air outlet angle ranges from 0° to 225°, with a total of 16 specifications.

    Commissioning and Maintenance of M7-29 Pulverized Coal Centrifugal Fan

    1. The fan must be installed according to the prescribed procedures, and it can be officially put into production after the trial run.

    2. If the fan is found to be abnormal during operation, it should be stopped immediately to find out the cause, and the operation can only be continued after the fault is eliminated.

    3. The fan should be checked and repaired regularly according to the usage.

    4. The operating speed of the fan must not exceed the maximum allowable operating speed, and the use of pulleys for variable speed is not allowed.

    5. The bearing box of the fan is cooled by water, and the water pressure must not exceed 0.4Mpa. Due to different temperatures in various places and seasonal changes, the water flow can also be the same. Generally, the water flow can be considered as 0.5~1m3/h, and water quality should be paid attention to at the same time. In order to avoid fouling and blockage in the channel, which will affect the cooling effect.

    6. If the impeller of the fan is worn out, it should be re-balanced after welding repair.

    7. The bearing temperature of the fan is generally not higher than the ambient temperature of 40 .

    8. Bearings are lubricated with thin oil, it is recommended to use N32 mechanical oil.

    9. The effective value (root mean square) of the vibration velocity of the bearing box during normal operation is ≤6.3 mm/s.
    Parameters of M7-29 pulverized coal centrifugal fan

     

    Product number

    Speed r/min

    serial number

    Full pressure Pa

    flow m3/h

    electric motor

    model

    Power kW

    M729№11D

    1450

    1

    50995217

    1150014350

    Y225S4    (380V)

    37

    2

    52465178

    1720020100

    Y250M4    (380V)

    55

    3

    50994687

    2300028750

    Y280S4    (380V)

    75

    M729№12.5D

    1450

    1

    66006747

    1685021100

    Y280S4    (380V)

    75

    2

    67966693

    2530029500

    Y280M4    (380V)

    90

    3

    66096433

    3350038000

    Y315S4    (380V)

    110

    4

    6061

    42200

    Y315M4    (380V)

    132

    M729№ 13 D

    1450

    1

    74147571

    2000025000

    Y280M4    (380V)

    90

    2

    7610

    30000

    Y315S4    (380V)

    110

    3

    75127414

    3500040000

    Y315M4    (380V)

    132

    4

    7217

    45000

    Y315L14    (380V)

    160

    5

    6796

    50,000

    JS1174 (380V)

    180

    M729№14.5D

    1450

    1

    8894

    26300

    Y315M4 (380V)

    132

    2

    90919140

    3290039490

    Y315L14 (380V)

    160

    3

    9022

    46100

    Y315L24 (380V)

    200

    4

    88948649

    5265059200

    Y355M24 (380V)

    250

    5

    8159

    65900

    JS1274 (380V)

    260

    M729№ 16 D

    1450

    1

    1034610415

    2850036800

    JS1174    (380V)

    180

    2

    1057110493

    4550054400

    Y355M24    (380V)

    250

    3

    102779905

    6140069200

    Y355L24    (380V)

    315

    4

    9610

    77000

    Y4004     (6000V)

    355

    M729№ 17 D

    1450

    1

    1167012013

    3430053800

    Y355L14    (380V)

    280

    2

    12013

    63300

    Y4004     (6000V)

    355

    3

    1176811425

    7280082300

    JS1484    (6000V)

    440

    4

    11032

    91800

    JS14104   (6000V)

    500

     


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