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Cooling Tower EC Fan Energy-saving Retrofit
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Bump Circulation a workshop lithium battery recycling exhaust gas treatment project
CATL Ningde Base Laboratory AHU EC Fan Retrofit Project
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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 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.
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Lithium Cell Workshop AHU EC Fan Retrofit | Yichun, Jiangxi
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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
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CATL Ningde Fujian Workshop Cooling Tower Permanent Magnet Motor Energy-Saving Retrofit Project
New Energy项目
Home Cases New Energy
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
Battery module workshop
Equipment Parameters
35,000m³/h
Energy Saving Rate
20%+
Project location
Ningde 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.
项目现场
Client Background
Ranked No. 1 in the world for six consecutive years
Device Rendering
YQ Zeolite Rotor Concentration RCO
Device Rendering
Commissioning of the overall operation of the project
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