Cement Industry E-House Solution

Scenario-based MV drive E-House configuration for cement manufacturing processes. MPA-200 delivers integrated VFD solutions for fans, mills, kilns, and coolers.

IP55 Dust ProtectionN+1 HVAC CoolingNovec 1230 Fire6.6kV / 10kV MVPlug & PlaySCADA Integration

Total Plant Energy Reduction

0 -20%

Typical Payback Period

1.5- 0 .5 yr

Faster Deployment

40- 0 %

MARKET CONTEXT · ENERGY CHALLENGE

Cement Industry Energy Challenge

30% Electricity Share of Production Cost
70% Grinding Operations’ Electrical Load
15-20% Achievable Reduction with VFD Program

Global Cement Industry Context:
Global Cement Production -2024-: 4.1B tons/yr
Efficiency Gain Since 1990: 18% only
Industrial Electricity Rate: $0.08-0.12/kWh
Fan VFD Payback Period: 8-12 months

PROCESS FLOW · E-HOUSE DEPLOYMENT MAP

Cement Production Process & E-House Deployment

5 E-Houses | 15-25 MW Total VFD Capacity | 15-20% Energy Reduction | $1.2-2.4M/yr Annual Savings

E-HOUSE #1: Crushing & Raw Mill

Crusher, VRM drive, Mill circulation fan (2,000–5,000 kW)

E-HOUSE #2: Preheater ID Fan

Main ID fan (largest motor in plant) (3,000–5,000 kW)

E-HOUSE #3: Kiln Drive

Kiln main drive, auxiliary drive (500–1,500 kW)

E-HOUSE #4: Clinker Cooler

6–12 cooler fans, exhaust fan (1,500–4,000 kW total)

E-HOUSE #5: Cement Mill

Mill drive, separator fan, bag filter fan (3,000–6,000 kW)

Auxiliary Systems & Logistics

Raw material conveyors, packing drives (500–2,000 kW)

Process Configurations

Raw Material Crushing & Raw Mill

Limestone Crusher (500-2,000 kW) — Soft start, torque limit (Savings: 10-15%)
Vertical Roller Mill -VRM- (2,000-5,000 kW) — Table speed optimization (Savings: 10-20%)
Raw Mill Circulation Fan (1,000-3,000 kW) — Cubic law savings (Savings: 25-40%)

Total VFD Capacity: 7,000 kW
Input Voltage: 6.6 kV
Weighted Average Payback: 1.2 years

ID Fan, Kiln & Finish Grinding

Preheater ID Fan (2,000-5,000 kW) — Gas flow optimization (Savings: 25-45% / Payback: 8-12 months)
Rotary Kiln Drive (500-1,500 kW) — Precision critical, 0.5-4.0 RPM, ±0.1% accuracy, 150% overload 60s
Clinker Cooler Fans — 6-12 fans, exhaust fan (1,500-4,000 kW total) — Zone temperature control (Savings: 20-35%)
Cement Mill Drive (3,000-6,000 kW) — Grinding speed optimization (Savings: 15-25%)

Cooler Fan Array: 6-12 VFDs
Total Mill Load: 4,000-8,500 kW
Drive Availability: 99.5%+

MV System

IP55 Dust Protection — Fine calcium carbonate (CaCO₃) and calcium oxide (CaO) protection.

LV / MCC

Vibration & Continuous Operation — Anti-vibration mounts & spring isolators.

Automation

Online Monitoring — Predictive maintenance 24/7 & digital twin simulation.

HVAC

Multi-Stage Filtration & HVAC — G4-F7-Carbon air filtration & N+1 redundant HVAC cooling.

Fire & Safety

Fire Suppression & Safety — Novec 1230 (2 zones) & VESDA detection & R120 fire rating.

Corrosion Protection

Corrosion & Chemical Protection — Conformal coating, epoxy-coated busbars, C4/C5-M exterior paint.

MPA-200 Cement Configuration

Overall Dimensions (L x W x H): 25,800 × 7,800 × 4,000 mm | Approx. Weight: 14-16 Tons

Digital Platform

Digital Energy Management Platform

Layer 4: User Interface — Dashboards & alerts, web/mobile portal, real-time alarms.
Layer 3: Cloud Analytics — Azure/AWS cloud analytics, AI & machine learning.
Layer 2: Edge Computing — Local intelligence (<10ms edge response time).
Layer 1: Field Devices — Sensors & instruments (Modbus, Profinet, 4-20mA).

Phased Deployment Strategy

Risk-managed phased approach with each phase self-funding the next through proven savings.

Phase 1: Quick Win

Preheater ID Fan VFD (Months 1-6)

Phase 1 Savings

Savings: $300K/yr | Payback: 8-12 mo | Reduction: 25-45%

Phase 2: Scale Up

Raw & Cement Mill Fans (Months 6-18)

Phase 2 Savings

Savings: $400K/yr | Payback: 1.5-2.0 yr | Reduction: 20-35%

Phase 3: Full Coverage

Kiln Drive & Clinker Cooler (Months 18-30)

Phase 3 Savings

Savings: $300K/yr | Payback: 2.0-2.5 yr | Reduction: 20-35%