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Motors for Water and Wastewater Treatment Manufacturers

Motors for Water and Wastewater Treatment

-- Steady & Reliable Manufacturer --

Introduction

The **Cement and Aggregate Industry** is characterized by extreme dust levels, high mechanical shock loads, and the need for massive starting torque to initiate rotation of loaded ball mills and crushers. Our motors are built using massive **Cast Iron frames** to dampen vibration and achieve **IP66 or IP67 ingress protection** to resist cement dust penetration. High-power mills often utilize **Explosion-proof Slip Ring Motors** for their low-current, high-torque starting capabilities, ensuring grid stability and reliable operation in the dusty, hazardous (Ex tb IIIC) environment.

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Why choose us?

Application Industries

  • Ball and Vertical Roller Mills: Main drives requiring multi-megawatt power and high-torque start-up (often slip ring).

  • Crushers and Grinders: Motors for primary and secondary crushing stages, tolerating heavy shock loads.

  • Kiln Drives: Low-speed, high-torque motors or gearless drives for rotating the massive kiln.

  • Conveying and Bagging: Motors in dusty areas requiring Ex tb IIIC certification and high IP rating.

Popular Industries And Applications

Key Specifications

Parameter Detail
**Dust Protection** IP66 or IP67 (Dust-tight) with Ex tb IIIC certification
**Protection Concept** Often Pressurized (Ex p) for HV, or Ex tb for LV motors
**Bearings** Non-Drive End (NDE) often uses roller bearings for high radial loads
**Cooling** External cooling systems (IC611 or IC81W) to manage high heat in dusty air
**Starting Method** DOL (Direct Online) for smaller, Slip Ring or VFD for larger mills

Hardcore Parameters

Key Advantages

  • **Extreme Dust Resistance:** Superior IP ratings (IP66/IP67) prevent abrasive dust from entering the motor, maximizing lifespan.

  • **Shock Load Tolerance:** Massive cast iron frames and robust rotor/shaft assemblies handle the continuous mechanical impact of crushing.

  • **Efficient High Torque:** Specialized designs (e.g., Ex Slip Ring) ensure high power delivery and reliable starting under load.

  • **Compliance:** Ex tb IIIC certification covers the ignition risk of cement and mineral dusts.

1-Minute Selection Guide

Customized services

Our Advantages

Payment & Shipping Terms

  • **Installation Data:** Detailed alignment procedures and foundation bolt patterns provided for large mill motor installations.

  • **Inspection:** Motors for main mill drives undergo rigorous non-destructive testing (NDT) of the shaft and frame welds.

  • **Accessories:** Motors are supplied with specialized dust-excluder seals and bearing protectors.

Frequently Asked Questions

Frequently Asked Questions

  • Q: Why is Ex tb IIIC used for cement dust?
  • A: Cement dust is non-conductive (IIIB), but the classification IIIC (Conductive Dust) is often specified as a safety margin because of the abrasive nature and the potential for mixed dusts. Ex tb IIIC covers all dust hazards.
  • Q: What is the risk of using a VFD for a cement mill?
  • A: VFDs are great for speed control but require specialized filters and enclosures to prevent the VFD electronics from overheating or failing due to dust infiltration.
  • Q: What special bearings are used in crusher motors?
  • A: Due to high radial forces, the non-drive end bearing often utilizes a cylindrical roller bearing (NU-type) rather than a deep groove ball bearing to handle the heavier forces from the pulley or coupling.
About

Who we are

Shanghai Pinxing Explosion-proof Motor Co., Ltd. is a high-tech enterprise specializing in the design, research and development, manufacturing, and service of motors and motor control products.

Shanghai Pinxing is a AAA manufacturer of electrical equipment in China, specializing in the production of more than 1000 varieties of large and medium-sized high- voltage flameproof and increased safety explosion-proof motors, large and medium-sized high-voltage AC motors (including asynchronous, synchronous, frequency conversion and wound rotor motors), various types of small& medium-sized low-voltage explosion-proof motors, AC motors and so on. As a China Motors for Water and Wastewater Treatment Suppliers and Custom Motors for Water and Wastewater Treatment Company, Our products are exported to more than 40 countries and regions at home and abroad which are widely used in the fields of coal mining, metallurgy, cement, paper making, environmental protection, petroleum, chemical, textile, road traffic , water conservancy, power, shipbuilding and other factories and enterprises. We are moving towards energy conservation, efficiency, environmental protection, integrated automation and internationalization. Shanghai Pinxing Explosion-proof Motor Co., Ltd aims to provide good motor products and motor technology solutions for global industrial enterprises and various fields, and make "Pinxing"motor become the motor technology solution provider and motor manufacturer in the global motor industry.

Pinxing.

Shanghai Pinxing Explosion-proof Motor Co., Ltd. Shanghai Pinxing Explosion-proof Motor Co., Ltd.
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