Fuding Times Fuding Zhuxia Cooling Tower Permanent Magnet Motor Retrofit Case

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AHU EC Fan Energy-saving Retrofit

Belt-driven fan direct upgrade to ec direct drive Coupling-type fan upgrade to ec direct drive Independent temperature control & speed regulation retrofit solution Ba system linked intelligent retrofit Fixed frequency constant speed to variable frequency stepless speed regulation Special retrofit solution for clean workshops General retrofit solution for commercial buildings Industrial process air conditioning retrofit solution Non-stop lossless retrofit solution Standardized complete unit replacement solution Custom adaptive retrofit solution

Cooling Tower EC Fan Energy-saving Retrofit

Cooling tower ec fan conventional process retrofit Cooling tower ec fan non-stop lossless retrofit Cooling tower ec fan standardized complete unit replacement Cooling tower ec fan custom adaptive retrofit Cooling tower ec fan explosion-proof special retrofit Cooling tower multi-tower cluster linkage control retrofit

Data Center Fan Wall

Data center fan wall conventional process retrofit Data center fan wall non-stop lossless retrofit Data center fan wall standardized complete unit replacement Data center fan wall custom adaptive retrofit

EC Fan Box Energy-Saving Retrofit

EC fan box conventional process retrofit EC fan box non-stop lossless retrofit EC fan box standardized complete unit replacement EC fan box custom adaptive retrofit

Cases

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Semiconductor

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贺利氏光伏银河建设项目废气处理

Bump Circulation a workshop lithium battery recycling exhaust gas treatment project

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Water Curtain Dust Removal System Project for a Workshop Equipment in Yichang Base of Bump Circulation.

BYD Wuwei Anhui Workshop AHU EC Fan Retrofit Project

Yichang Bangpu Yihua a workshop exhaust gas treatment system project

上海某某新材料科技有限公司废气治理工程项目

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CATL Ningde Fujian Workshop Cooling Tower Permanent Magnet Motor Energy-Saving Retrofit Project

CATL Ningde Base Laboratory AHU EC Fan Retrofit Project

XXX New Energy Vehicle (Shanghai) Co., Ltd. Workshop AHU EC Fan Energy-Saving Retrofit Case

BYD Wuwei Anhui Workshop AHU EC Fan Retrofit Project

VOCs Waste Gas Treatment Project of Shanghai Enjie New Material Co.

Shanghai Enjie New Material Co., Ltd. granulator exhaust project

Cooling Tower Permanent Magnet Motor Retrofit | Fuding Times Zhuxia, Fuding

AHU EC Fan Retrofit | Zijiang New Material, Shanghai

Lithium Cell Workshop AHU EC Fan Retrofit | Yichun, Jiangxi

Lithium Cell Workshop AHU EC Fan Retrofit | Zhaoqing, Guangdong

Lithium Battery Workshop AHU EC Fan Retrofit | Luoyang, Henan

Lithium Battery Workshop AHU EC Fan Retrofit | Qujing, Yunnan

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Yichang Bangpu a workshop VOCs collection and treatment system project

Bump Circulation a workshop lithium battery recycling exhaust gas treatment project

Water Curtain Dust Removal System Project for a Workshop Equipment in Yichang Base of Bump Circulation.

Yichang Bangpu Yihua a workshop exhaust gas treatment system project

Sichuan Changhong Intelligent Manufacturing-Jiangsu Grun New Material Square Shell Dismantling Line Environmental Protection Equipment Project Turnkey Project

Henan Luoyang a lithium battery dismantling line sewage treatment plant deodorization project

Guangzhou, Guangdong, an intelligent dismantling line application exhaust gas treatment project

A lithium battery recycling waste gas treatment project in Shenzhen, Guangdong Province

Guangdong Zhaoqing a lithium recycling workshop exhaust gas purification treatment project

Jiangxi Province, Yichun City, a lithium battery electrolyte recycling waste gas treatment project

Jiangsu Huai'an lithium battery recycling waste gas treatment project

Zhejiang Jiaxing a lithium battery recycling acid leaching waste gas treatment treatment project

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中润光能科技（老挝）独资有限公司一期7.5GW高效电池片生产废气处理项目

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陕西某光伏新材料有限公司VOCs废气处理项目

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上海清能合睿兹项目有机废气治理工程

南通清能废气处理项目

上海清能合睿兹新能源科技有限公司废气设备维护项目

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项目背景

Cooling tower fans in lithium battery plants run continuously all year round. The original systems adopt conventional asynchronous motors, which suffer low efficiency at low speeds, low power factor and frequent maintenance. As the workshop cooling load fluctuates, the fans often operate at medium and low frequencies, making the energy waste and reliability issues of the old motors more prominent.

To cut production operating costs, improve system efficiency and meet energy conservation and emission reduction requirements, the enterprise launched the cooling tower motor energy-saving retrofit project. The existing asynchronous motors are replaced with high-efficiency permanent magnet synchronous motors. Taking full advantage of the high efficiency of permanent magnet motors under medium and low frequency conditions, the retrofit reduces power bills, lowers maintenance workload and improves operational stability without disrupting normal production.

项目介绍

Retrofit Object

Wastewater station for lithium battery production

Equipment Parameters

100000m3/h

Energy Saving Rate

20%+

Project location

Fuding City, Fujian Province

羿清方案

设计工艺

Cooling Tower Permanent Magnet Synchronous Motor Energy-Saving Retrofit Technology

This retrofit follows the workflow: Site Survey — Scheme Confirmation — Motor Replacement — Commissioning & Verification. Technicians recheck on-site load, frequency, motor and VFD parameters to confirm compatibility. Motors are replaced in rotation to cut downtime. After installation, VFD tuning, rotation inspection and load tests are performed to guarantee stable airflow and cooling capacity.

方案介绍

1. High efficiency at medium and low frequencies:

Permanent magnet synchronous motors eliminate magnetizing loss and maintain high efficiency at low speeds.

2. High power factor:

Reduces reactive loss and grid load, adapting to fluctuating cooling loads.

3. Low-impact retrofit:

Only motors are replaced; existing fans and inverters are reused. Construction is arranged in batches.

4. Less maintenance & higher reliability:

Fewer failure points and lower temperature rise, supporting continuous operation.

5. Proven energy-saving performance:

Measured energy saving rate: approx. 24% for 18.5kW units and 21.9% for 37kW units.