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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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