Equipment and Systems We Evaluate

Suitable for motor-driven equipment operating for long periods, particularly where loads fluctuate, energy use is high, or maintenance requirements are significant. Potential retrofit options include high-efficiency motors, variable-frequency drives (VFDs), permanent-magnet direct-drive solutions, and drive-system optimization.
Motor-Driven Systems
For material-handling applications in mining, metallurgy, and other process industries. Depending on site conditions, retrofit options may include VFD-based speed control, permanent-magnet direct drives, and drive-train optimization to improve operating efficiency and reduce maintenance requirements.
Belt Conveyor Systems
Suitable for selected high-power applications with long operating hours and potential for energy efficiency improvements. Each project requires an assessment of equipment characteristics, site conditions, available shutdown windows, and process requirements.
Grinding Mills, Tower Mills, and Other High-Power Equipment
Target Industries

Mining and Mineral Processing
· Typical Equipment and Applications
Mineral processing plants, crushing stations, belt conveyors, flotation systems, grinding systems, and pumps.
· Potential Retrofit Opportunities
Assess drive-system energy consumption, opportunities to optimize mechanical transmission, and the operating reliability of continuously running equipment.
Steel and Metallurgy
· Typical Equipment and Applications
Sintering systems, ironmaking equipment, steel rolling lines, dust-removal fans, circulating-water pumps, and material-handling systems.
· Potential Retrofit Opportunities
Evaluate high-voltage motor-driven systems, fans, pumps, and conveying equipment to identify opportunities for energy efficiency improvements and more stable operation.
· recommended Display Equipment
dust removal fan, circulating water pump, conveyor belt, high voltage motor system.
Chemical Processing
· Typical Equipment and Applications
Circulating-water systems, fans, compressors, mixing equipment, pumping systems, and material-handling systems.
· Potential Retrofit Opportunities
Evaluate energy use and operating conditions while maintaining required process performance, operational safety, and equipment reliability.
Pulp and Paper
· Typical Equipment and Applications
Pulping systems, pulp conveying equipment, vacuum systems, paper-machine drives, fans, and pumps.
· Potential Retrofit Opportunities
Assess drive-control strategies and system operating conditions to identify opportunities to reduce unnecessary energy consumption and improve operating efficiency.
Flexible Retrofit and Commercial Models

Customer-Funded Retrofit investment mode
The customer funds the equipment and retrofit work. Depending on the agreed project scope, Dayu Electric may provide technical assessment, solution design, equipment supply, installation and commissioning support, and performance verification.
Suitable for projects where the customer has an approved budget and prefers to fund the retrofit directly.
Energy Savings Performance Contracting management model
Investment responsibilities, performance measurement, savings allocation, and settlement arrangements are defined in the contract. Depending on the agreed commercial model, project costs and verified energy savings may be shared between the parties under specified terms.
Suitable for projects where energy-saving performance can be assessed using agreed operational data and verification methods.
Pilot-to-Scale Program model
Start with one or a small group of representative assets to evaluate energy-saving potential, operating stability, and project feasibility. Further rollout can be considered based on the pilot results and the agreed project criteria.
Suitable for projects involving multiple items of equipment or production lines.
Typical application scenarios

Energy Saving Reconstruction Project of Driving Equipment in a Large Mine Concentrator
Industry: Mine beneficiation
equipment: belt conveyor, flotation machine, grinding system
transformation direction: permanent magnet drive, frequency conversion control, transmission system optimization
project features: continuous operation of equipment, load fluctuations, short shutdown window, energy-saving benefits need to be measured and verified.
Project value: reduce power consumption, reduce maintenance points, improve equipment operation stability
Energy Saving Reconstruction Project of Fan Pump System in a Metallurgical Enterprise
Industry: Metallurgy
equipment: dust removal fan, circulating water pump, high-voltage motor system
transformation direction: high efficiency motor, frequency conversion control, system operation optimization
project features: long running time, high proportion of energy consumption, clear space for energy saving
project value: reduce long-term operating power consumption and reduce ineffective regulation losses
Energy-saving renovation project of continuous production equipment in a paper enterprise
Industry: Paper
equipment: vacuum pump, water pump, fan, transmission system
transformation direction: permanent magnet motor, frequency conversion control, system efficiency improvement
project features: continuous production, large number of equipment, single-point energy-saving cumulative benefits are obvious.
Project value: reduce comprehensive electricity costs and improve equipment operating efficiency
Energy Saving Reconstruction Project of Pumping and Mixing System in a Chemical Enterprise
Industry: Chemical
equipment: circulating water pump, mixing equipment, material conveying system
transformation direction: efficient drive, frequency conversion control, operation strategy optimization
project features: high safety requirements, complex working conditions, long-term operation of equipment
project value: reduce energy consumption and maintenance costs on the premise of ensuring stable production
Why choose Dayu Electric

If your equipment operates for long hours, consumes significant energy, experiences fluctuating loads, or incurs high maintenance costs, contact us for an initial consultation. We can help assess the potential for energy efficiency improvements based on your operating conditions and project requirements.
Assess Your Energy-Saving Potential
Project Implementation Process

Settlement & Follow-Up
Settle project costs or verified energy savings according to the contract, with follow-up support as agreed.
Industrial Energy Efficiency Retrofit
Energy Assessments, Retrofit Solutions, and Performance Verification for Energy-Intensive Industrial Equipment
What Is Industrial Energy Efficiency Retrofit?

Industrial energy efficiency retrofit involves assessing existing equipment and operating conditions to identify opportunities for reducing energy consumption and improving system performance.
Dayu Electric can evaluate equipment operating data and site requirements to help identify suitable retrofit options. Depending on the project, these may include variable-frequency control, high-efficiency motor solutions, drive-system optimization, and other equipment or system improvements.
Where performance-based arrangements are agreed upon, energy-saving results can be assessed using operational data and an agreed measurement and verification method. Project costs, savings allocation, and settlement terms are defined in the contract.