Changsha Zoomlian Pump Co., Ltd. 长沙中联泵业股份有限公司

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    High-pressure explosion-proof and forced discharge submersible mining pump series BQ
    High-pressure explosion-proof and forced discharge submersible mining pump series BQ
    High-pressure explosion-proof and forced discharge submersible mining pump series BQ
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    • High-pressure explosion-proof and forced discharge submersible mining pump series BQ
    • High-pressure explosion-proof and forced discharge submersible mining pump series BQ
    • High-pressure explosion-proof and forced discharge submersible mining pump series BQ

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    Submersible Pump

    Keywords:

    Pump

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    High-pressure explosion-proof and forced discharge submersible mining pump series BQ

    Flow: 100-1500m³/h

    Lifting height: 85-720m

    Power: 355-4500kw

    Efficiency: 47.9-72.3%

    Price: 0.69-59.85 ten thousand

     

    The high-pressure explosion-proof submersible mining pump of the BQ series consists of a high-pressure centrifugal pump with double or single suction and multiple stages, and a high-pressure three-phase asynchronous submersible electric motor filled with water, forming an integral unit that operates submerged in water. It is a large-scale mining drainage equipment, mainly used for drainage in the central pump room of coal mines, emergency drainage after flooding in coal mines, or drainage for mine reopening.

    +86 0731-88192288

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    info@cipump.com

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    Product description

    　　The high-pressure explosion-proof submersible pump with forced discharge of the BQ series consists of a double or single suction multistage centrifugal pump and a high-pressure three-phase asynchronous submersible electric motor with water filling, forming an integral unit that operates submerged in water. It is a large drainage equipment designed for mining, developed to solve current problems in emergency submersible pumps for mining in China, such as large weight and volume, low adaptability, and deficiencies in reliability and compatibility. This equipment features advantages such as safety and reliability, advanced structure, exquisite process, reasonable material selection, high energy efficiency, and ease of installation and maintenance. It improves emergency drainage capacity in mine flooding and is mainly used for drainage in the central pump room of coal mines, emergency drainage after flooding in coal mines, or drainage for mine reopening.

    Submersible pump for mining

    Product parameters

    Composition and representative meaning of the high-pressure explosion-proof mining submersible pump model of the BQ series

    The model uses uppercase letters in Chinese pinyin to represent the type and its characteristics, and Arabic numerals to indicate parameters

    a) Electric pump model

    B Q ①-②/③-④/⑤-S

    B: Explosion-proof type for mining

    Q: Electric submersible pump

    ①: Nominal flow rate, unit cubic meters per hour (m³/h)

    ②: Nominal head, unit (m)

    ③: Number of impeller stages

    ④: Nominal output power of the motor, unit kilowatts (kW)

    ⑤: Installation form. Vertical if not indicated, horizontal with "W"

    S: Submerged type motor

    b) Mining submersible pump with electric motor

    Y B Q-①/②-S ③

    ③: Nominal voltage, unit volts (V)

    S: Submerged type motor for high-pressure mining submersible pump

    ②: Number of motor poles

    ①: Nominal output power of the motor, unit kilowatts (kW)

    Q: Submersible motor

    B: Explosion-proof type for mining

    Y: Asynchronous motor

     

    Main uses and conditions of use of the high-pressure explosion-proof mining submersible pump of the BQ series

    Main uses:

    The high-pressure mining submersible pump products of this series are designed and manufactured according to GB3836.1-2010 for explosive atmospheres.

    Part 1: General requirements for equipment and GB3836.2-2010 for explosive atmospheres;

    Part 2: Standards for equipment protected with explosion-proof enclosure "d", explosion-proof type, ExdI mark, suitable for mine environments with explosive gases such as methane or coal dust, for normal drainage, rescue in flooded mines, and drainage in reclaimed mines.

    This high-pressure mining pump is suitable for coal, iron, non-ferrous metals, non-metallic minerals, and other mines. It is used for normal drainage in mining, rescue in sudden floods, drainage in reclaimed mines, and comprehensive water management in mining areas. It can be used in open-pit mines, vertical shafts, inclined shafts, and underground deposits. The pump must be installed and used only after obtaining national mining safety certification and explosion-proof certification.

    A. Normal drainage in the construction of vertical and inclined shafts in coal mines.

    B. Drainage at the bottom of shafts without water deposits in mines.

    C. Drainage at excavation work fronts.

    D. Drainage in dispersed coal deposits at the bottom of vertical shafts.

    E. Drainage to clean sediments and mud in water deposits.

    F. Drainage of emerging waters in old ponds and uninhabited areas.

    G. Rescue and emergency.

    H. Suitable for underground coal mines with explosive gases such as methane or coal dust.

    Conditions of use:

    1. Supply voltage: 6000V or 10000V

    2. Medium: PH4-10

    3. Ambient water temperature: ≤50℃

    4. Solid content: ≤10%

    5. Installation method: vertical, horizontal, or inclined

    6. Immersion depth: ≤700m, but the minimum immersion level must not be below the upper plane of the outlet flange of the check valve

     

    Structural features of the high-pressure explosion-proof mining submersible pump of the BQ series

    1. High efficiency and energy saving. Uses an efficient hydraulic model, high pump efficiency, wide efficient area, and significant energy-saving effect.

    2. Explosion-proof safety. The high-pressure pump motor is water-filled, explosion-proof structure, operates submerged, with good heat dissipation, overload-free design throughout the height, ensuring safe operation without risk of burn due to overload.

    3. Large flow and high head. Flow of 100-1740 m³/h, head of 85-1500 m, meeting demands for large flow and high head drainage.

    4. Convenient installation and operation. Electromechanical integration, compact structure, small size, light weight, with options for vertical, horizontal, or inclined installation according to the environment.

    5. Advanced and reliable technology. Axial force self-balancing structure, reduces thrust bearing load, stable performance, and long service life. Flow path components made of wear-resistant materials, suitable for water with high sand content.

    High-pressure mining pump Submersible pump Mainly composed of pump casing, impeller, guide 0 t, main shaft, bearing, and mesh filter, etc.

    The double suction pump has two water inlets, with two groups of impellers arranged back to back in opposite directions. Actually, they are two Multistage pump Parallel operation, each with its own suction inlet (one at the top, another at the bottom). Because both impeller groups have the same quantity and opposite direction, the hydraulic force generated is equal in magnitude and opposite in direction, theoretically the total axial water force is zero. The single suction pump only has one suction inlet. Two groups of impellers are arranged back to back in opposite directions. When the manometric head requires an even total number of impeller stages, both impeller groups have the same quantity and opposite direction, the axial water force is tolerable. When the manometric head requires an odd total number of impeller stages, the lower pump impeller has an additional stage; in this case, the last stage impeller of the lower pump is designed with a balanced impeller with balance holes. The hydraulic force generated by the balanced impeller is basically eliminated. Therefore, the two impeller groups generating axial water force still have the same quantity and opposite direction, the total axial water force is basically zero. The axial force on the pump shaft is zero, the thrust bearing load is light, the service life is long, and the operation is reliable.

    The motor is a three-phase asynchronous submersible motor, mainly composed of the upper guide bearing, the stator, the rotor, the lower guide bearing, the thrust bearing, the cooler (base), and other main components. The stator coil is made of cross-linked polyethylene waterproof winding wire, with built-in winding temperature sensors and water level sensors to monitor the winding temperature and prevent motor damage caused by lack of water. An impeller is installed at the bottom of the motor shaft. When the motor rotates, the impeller forces water inside the motor to circulate from bottom to top, passing through the casing, cooling ducts, and other parts, continuously exchanging heat with the externally transported liquid to reduce the motor temperature rise.

    The complete set of the BQ high-pressure forced discharge submersible pump includes three main parts:

    1) Main unit: pump, motor, pump-motor connection body, pump-motor coupling, and their fastening elements

    2) Installation system: suction bell, connection flange, check valve, discharge pipe, gate valve, etc.;

    3) Control system: cables, electrical control cabinet, etc.;

    The BQ series of mining submersible pumps, in addition to providing the main unit, can also supply the installation system and the control system, and can offer an automated control system connected to the mine monitoring network to achieve surface monitoring.

     

    Performance parameters of the BQ series high-pressure explosion-proof forced discharge submersible pump and motor performance parameters

    Electric pump performance parameters:

    Model and specification

    Flow rate
    (m³/h)

    Manometric head
    (m)

    Number of impeller stages

    Electric pump efficiency
    (%)

    Synchronous speed
    (r/min)

    Motor power
    (kW)

    Rated voltage (KV)

    Water outlet diameter
    (mm)

    BQ100-595/6-355/W-S

    100

    595

    6

    47.9

    1500

    355

    6/10

    100

    BQ100-600/7-400/W-S

    600

    7

    400

    BQ100-680/8-400/W-S

    680

    8

    400

    BQ100-765/9-450/W-S

    765

    9

    450

    BQ100-850/10-500/W-S

    850

    10

    48.4

    500

    BQ100-935/11-560/W-S

    935

    11

    560

    BQ100-1020/12-630/W-S

    1020

    12

    630

    BQ100-1110/13-710/W-S

    1110

    13

    710

    BQ150-450/5-400/W-S

    150

    450

    5

    52.2

    1500

    400

    6/10

    150

    BQ150-510/6-400/W-S

    510

    6

    400

    BQ150-600/7-500/W-S

    600

    7

    52.8

    500

    BQ150-680/8-560/W-S

    680

    8

    560

    BQ150-765/9-630/W-S

    765

    9

    630

    BQ150-850/10-710/W-S

    850

    10

    710

    BQ150-935/11-800/W-S

    935

    11

    53.4

    800

    BQ150-1020/12-900/W-S

    1020

    12

    900

    BQ200-350/4-400/ W-S

    200

    350

    4

    56.6

    1500

    400

    6/10

    200

    BQ200-425/5-450/ W-S

    425

    5

    450

    BQ200-510/6-500/W-S

    510

    6

    57.2

    500

    BQ200-600/7-630/W-S

    600

    7

    630

    BQ200-680/8-710/W-S

    680

    8

    710

    BQ200-765/9-800/W-S

    765

    9

    57.9

    800

    BQ200-850/10-900/W-S

    850

    10

    900

    BQ200-935/11-1000/W-S

    935

    11

    58.2

    1000

    BQ200-1020/12-1000/W-S

    1020

    12

    1000

    BQ200-1110/13-1120/W-S

    1110

    13

    1120

    BQ280-340/4-400/W-S

    280

    340

    4

    58.3

    1500

    400

    6/10

    250

    BQ280-425/5-500/W-S

    425

    5

    59

    500

    BQ280-540/6-630/W-S

    540

    6

    630

    BQ280-650/7-800/W-S

    650

    7

    59.6

    800

    BQ280-730/8-900/W-S

    730

    8

    900

    BQ280-850/9-1000/W-S

    850

    9

    60

    1000

    BQ280-920/10-1120/W-S

    920

    10

    1120

    BQ280-1035/11-1200/W-S

    1035

    11

    60.3

    1200

    BQ280-1200/12-1400/W-S

    1200

    12

    1400

    BQ280-1330/13-1600/W-S

    1330

    13

    1600

    BQ280-1445/14-1800/W-S

    1445

    14

    1800

    BQ300-270/3-400/W-S

    300

    270

    3

    59.2

    1500

    400

    6/10

    250

    BQ300-360/4-500/W-S

    360

    4

    59.8

    500

    BQ300-450/5-630/W-S

    450

    5

    630

    BQ300-510/6-710/W-S

    510

    6

    710

    BQ300-595/7-800/W-S

    595

    7

    60.5

    800

    BQ400-255/3-450/W-S

    400

    255

    3

    60

    1500

    450

    6/10

    250

    BQ400-340/4-630/W-S

    340

    4

    60.7

    630

    BQ400-425/5-800/W-S

    425

    5

    61.4

    800

    BQ400-510/6-900/W-S

    510

    6

    900

    BQ400-600/7-1000/W-S

    600

    7

    61.8

    1000

    BQ400-680/8-1120/W-S

    680

    8

    1120

    BQ400-765/9-1400/W-S

    765

    9

    62.1

    1400

    BQ400-850/10-1600/W-S

    850

    10

    1600

    BQ400-935/11-1800/W-S

    935

    11

    1800

    BQ400-1020/12-1900/W-S

    1020

    12

    62.4

    1900

    BQ450-170/2-355/W-S

    450

    170

    2

    60.9

    1500

    355

    6/10

    250

    BQ450-255/3-500/W-S

    255

    3

    61.6

    500

    BQ450-350/4-630/W-S

    350

    4

    630

    BQ450-425/5-800/W-S

    425

    5

    62.3

    800

    BQ450-510/6-1000/W-S

    510

    6

    62.7

    1000

    BQ500-240/3-500/W-S

    500

    240

    3

    63.4

    1500

    500

    6/10

    250

    BQ500-280/3-560/W-S

    280

    3

    560

    BQ500-340/4-630/W-S

    340

    4

    630

    BQ500-360/4-710/W-S

    360

    4

    710

    BQ500-440/5-900/W-S

    440

    5

    64.1

    900

    BQ500-520/6-1000/W-S

    520

    6

    64.4

    1000

    BQ500-560/6-1120/W-S

    560

    6

    1120

    BQ500-630/7-1200/W-S

    630

    7

    64.8

    1200

    BQ500-720/8-1400/W-S

    720

    8

    1400

    BQ500-810/9-1600/W-S

    810

    9

    1600

    BQ500-920/10-1800/W-S

    920

    10

    1800

    BQ500-1000/11-2000/W-S

    1000

    11

    65.2

    2000

    BQ500-1080/12-2200/W-S

    1080

    12

    2200

    BQ550-170/2-400/W-S

    550

    170

    2

    66.6

    1500

    400

    6/10

    250

    BQ550-255/3-560/W-S

    255

    3

    560

    BQ550-340/4-800/W-S

    340

    4

    67

    800

    BQ550-430/5-1000/W-S

    430

    5

    1000

    BQ550-515/6-1200/W-S

    515

    6

    66.6

    1200

    350

    BQ550-600/7-1400/W-S

    600

    7

    1400

    BQ550-690/8-1600/W-S

    690

    8

    1600

    BQ550-770/9-1800/W-S

    770

    9

    1800

    BQ550-855/10-2000/W-S

    855

    10

    67

    2000

    BQ550-940/11-2200/W-S

    940

    11

    2200

    BQ600-170/2-450/W-S

    600

    170

    2

    59.2

    1500

    450

    6/10

    350

    BQ600-255/3-710/W-S

    255

    3

    59.8

    710

    BQ600-340/4-900/W-S

    340

    4

    60.5

    900

    BQ600-430/5-1120/W-S

    430

    5

    60.9

    1120

    BQ600-515/6-1400/W-S

    515

    6

    61.2

    1400

    BQ600-600/6-1800/W-S

    600

    6

    1800

    BQ725-132/3-400/W-S

    725

    132

    3

    67.9

    1500

    400

    6/10

    350

    BQ725-160/4-500/W-S

    160

    4

    68.6

    500

    BQ725-215/5-630/W-S

    215

    5

    630

    BQ725-265/6-710/W-S

    265

    6

    710

    BQ725-290/7-800/W-S

    290

    7

    69.4

    800

    BQ725-320/8-900/W-S

    320

    8

    900

    BQ725-360/9-1000/W-S

    360

    9

    69.8

    1000

    BQ725-400/10-1120/W-S

    400

    10

    1120

    BQ725-480/12-1200/W-S

    480

    12

    70.2

    1200

    BQ725-520/13-1400/W-S

    520

    13

    1400

    BQ725-600/15-1600/W-S

    600

    15

    1600

    BQ725-640/16-1800/W-S

    640

    16

    1800

    BQ725-690/17-1900/W-S

    690

    17

    70.6

    1900

    BQ725-720/18-2000/W-S

    720

    18

    2000

    BQ725-765/19-2200/W-S

    765

    19

    2200

    BQ1000-100-400/W-S

    1000

    100

    1

    64.4

    1500

    400

    6/10

    350

    BQ1000-200/2-800/W-S

    200

    2

    65.1

    800

    BQ1000-270/3-1120/W-S

    270

    3

    66.2

    1120

    BQ1000-395/4-1600/W-S

    395

    4

    66.6

    1600

    BQ1000-450/5-1800/W-S

    450

    5

    1800

    BQ1000-560/6-2200/W-S

    560

    6

    2200

    BQ1100-100-450/W-S

    1100

    100

    1

    65.3

    1500

    450

    6/10

    350

    BQ1100-170/2-800/W-S

    170

    2

    66.8

    800

    BQ1100-255/3-1200/W-S

    255

    3

    67.5

    1200

    BQ1100-340/4-1600/W-S

    340

    4

    1600

    BQ1100-430/5-2000/W-S

    430

    5

    67.9

    2000

    BQ1450-85/2-500/W-S

    1450

    85

    2

    72.2

    1500

    500

    6/10

    350

    BQ1450-135/3-710/W-S

    135

    3

    710

    BQ1450-160/4-900/W-S

    160

    4

    73

    900

    BQ1450-200/5-1000/W-S

    200

    5

    73.4

    1000

    BQ1450-240/6-1200/W-S

    240

    6

    73.8

    1200

    BQ1450-280/7-1400/W-S

    280

    7

    1400

    BQ1450-295/7-1600/W-S

    295

    7

    1600

    BQ1450-320/8-1800/W-S

    320

    8

    1800

    BQ1450-360/9-2000/W-S

    360

    9

    74.2

    2000

    BQ1450-400/10-2200/W-S

    400

    10

    2200

    Motor performance parameters:

    Model

    Rated power
    (kW)

    Rated voltage
    (kV)

    Rated current
    (A)

    Efficiency
    (%)

    Power factor
    (cosφ)

    Speed
    (r/min)

    Connection

    Starting current multiplier

    Starting torque multiplier

    Maximum torque multiplier

    YBQ-355/4-S(6000)

    355

    6

    44.8

    89

    0.85

    1500

    Y

    6.5

    1.8

    0.8

    YBQ-400/4-S(6000)

    400

    49.6

    YBQ-450/4-S(6000)

    450

    55.3

    YBQ-500/4-S(6000)

    500

    61.5

    90

    0.86

    YBQ-560/4-S(6000)

    560

    68

    YBQ-630/4-S(6000)

    630

    72.4

    YBQ-710/4-S(6000)

    710

    85.5

    YBQ-800/4-S(6000)

    800

    96.6

    91

    0.86

    YBQ-900/4-S(6000)

    900

    107.2

    YBQ-1000/4-S(6000)

    1000

    118.8

    91.5

    0.86

    YBQ-1120/4-S(6000)

    1120

    133

    YBQ-1200/4-S(6000)

    1200

    142

    92

    0.87

    YBQ-1400/4-S(6000)

    1400

    168.4

    YBQ-1600/4-S(6000)

    1600

    192.5

    YBQ-1800/4-S(6000)

    1800

    216.6

    YBQ-1900/4-S(6000)

    1900

    243.6

    YBQ-2000/4-S(6000)

    2000

    251.7

    92.5

    0.88

    YBQ-2200/4-S(6000)

    2200

    266.6

    YBQ-355/4-S(10000)

    355

    10

    29

    88

    0.85

    1500

    Y

    6.5

    1.8

    0.8

    YBQ-400/4-S(10000)

    400

    31.6

    YBQ-450/4-S(10000)

    450

    35.6

    YBQ-500/4-S(10000)

    500

    39.3

    89

    0.86

    YBQ-560/4-S(10000)

    560

    44.1

    YBQ-630/4-S(10000)

    630

    48.7

    YBQ-710/4-S(10000)

    710

    55.8

    YBQ-800/4-S(10000)

    800

    61.5

    90

    0.86

    YBQ-900/4-S(10000)

    900

    68.4

    YBQ-1000/4-S(10000)

    1000

    75.6

    90.5

    0.86

    YBQ-1120/4-S(10000)

    1120

    83.8

    YBQ-1200/4-S(10000)

    1200

    89.5

    91

    0.87

    YBQ-1400/4-S(10000)

    1400

    103.4

    YBQ-1600/4-S(10000)

    1600

    116.7

    YBQ-1800/4-S(10000)

    1800

    130.6

    YBQ-1900/4-S(10000)

    1900

    139.7

    YBQ-2000/4-S(10000)

    2000

    144.5

    91.5

    0.88

       
    Changsha Zhonglian Pump Industry Co., Ltd.

    Why Choose Us?

    Changsha Zhonglian Pump Industry Co., Ltd. was established in 1989, following the reform of the Changsha Water Pump Factory. It is a national high-tech comprehensive enterprise integrating design, research and development, manufacturing, and service. The company was listed on the Hunan Provincial Stock Exchange on December 31, 2019, with the abbreviated name "Zhonglian Pump Industry" and stock code: 600275HN. It is currently a key enterprise in China's centrifugal pump industry and one of the leading domestic manufacturers of multi-stage pumps, headquartered in Changsha, Hunan, a historical and cultural city in China.

    Changsha Zhonglian Pump Industry Co., Ltd.
    Changsha Zhonglian Pump Industry Co., Ltd.

    FAQ

    Q

    What products do you mainly produce?

    A

    Zoomlion Pump Industry manufactures various large industrial centrifugal pumps. The main products include: self-balancing multistage pumps, multistage centrifugal pumps, single-stage centrifugal pumps, split-case pumps, chemical pumps, submersible pumps, pipeline pumps, long-shaft pumps, condenser pumps, and more.

    Q

    Can you help me choose a model?

    A

    Of course! If the water pump model is not selected accurately, it can cause significant problems. After you take it back, it might be either too small to meet the usage requirements or too large, resulting in higher electricity and fuel costs, increasing the operating expenses.

    Q

    Why is the price quotation so slow?

    A

    Because centrifugal pumps are non-standard custom products with many models and a wide price range. Even for the same model, the price varies greatly depending on the materials and configurations used. Taking the most common pump accessory—the impeller—as an example, the price of a stainless steel impeller is several times that of a cast iron impeller. Therefore, we need to clearly confirm the relevant information to provide you with an accurate price. Normally, if you provide comprehensive information, we can quote within 5 minutes.

    Q

    What information should I provide when I need a quote?

    A

    Usually, if you want to get an accurate quote, it is recommended that you provide us with the following information: pump flow rate, head, on-site operating voltage, frequency, temperature of the conveyed liquid, pH value, solid particle content, on-site installation conditions (horizontal or vertical installation), and other related details. If you are not very familiar with these, it’s okay; our sales manager will assist you in determining them.

    Q

    Do you have centrifugal pumps in stock?

    A

    There are many models and configurations of centrifugal pumps. Except for a small number of commonly used standard models that are in stock, the vast majority of models and configurations are not stocked and are customized products. We need to first select the pump based on your site conditions such as flow rate, head, medium temperature, pH value, and installation conditions. After determining the pump model and configuration, we can then place an order with the workshop for production.

    Q

    What is your usual delivery time?

    A

    Models in stock can be shipped by the next day at the latest. Others are custom-made, and depending on the product size and specific project conditions, the delivery time is generally between 7-90 days. Please consult our sales manager for details: 0731-88632200 。

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