ZS-Raw Material Grinding Aid

ZS-Raw Material Grinding Aid

1. Product Introduction

What is ZS-Raw Material Grinding Aid?

ZS-Raw Material Grinding Aid is a specialized liquid chemical additive designed for energy savings in the dual-stage process of cement raw meal grinding and kiln calcination. With a low dosage of only 0.1%–0.2%, it optimizes grinding efficiency and improves the high-temperature burnability of raw meal. This dual action reduces factory energy consumption from both electricity (mill) and coal (kiln) perspectives.

How Does It Work?

Mill Optimization (Electricity Saving): Active organic components adsorb onto the cross-section of raw meal particles, reducing surface tension and breaking down fine powder agglomerates. This makes raw materials easier to grind, increasing mill hourly output by 10%–25% and reducing grinding power consumption by 10%–18%, applicable to both ball mills and vertical mills. It also reduces mill vibration and extends the service life of mill parts.

Kiln Optimization (Coal Saving): The additive improves the burnability of raw meal by lowering the calcium carbonate decomposition temperature and accelerating the decomposition rate after entering the kiln. This reduces kiln coal consumption by 5%–12%. Additionally, reduced free calcium oxide (f-CaO) in the resulting clinker improves its strength, allowing for lower clinker proportion and higher industrial waste utilization in subsequent cement production.

Why Choose ZS-Raw Material Grinding Aid from Shengchuan?

20 Years of Focused R&D: Built on Zhongsen Holding Group's deep expertise in energy-saving and environmental protection for the cement industry.

43+ National Patents: Protected by extensive intellectual property in green cement additives and composite cementitious materials.

Top University Partnerships: Ongoing industry-academia cooperation with Tsinghua University, University of Science and Technology Beijing, and University of Jinan, along with an academician workstation in Shandong Province.

National Standards Contributor: Participation in national key R&D projects and contribution to 6 national industry standards for cement and concrete.

Proven in 20+ Markets: Since 2006, validated in over 20 markets including China, Africa, Southeast Asia, Central Asia, and the Middle East.

2. Technical Indicators

Parameter	Specification	Remarks
Appearance	Dark brown and opaque	Uniform, free of precipitation
Density (20°C)	1.15 – 1.26 (g/cm³)	—
pH Value	6 – 9	—
Chloride Ion Content	≤ 0.1%	Safe for reinforced concrete
Alkali Content (Na₂Oeq)	≤ 1.0%	Low alkali risk, no preheater blockage
Recommended Dosage	1000g – 2000g/ton of raw meal (0.1%–0.2%)	Optimized based on raw material type and mill conditions

3. Key Benefits

Performance Area	Expected Improvement
Raw Mill Output Increase	10% – 25% (under equivalent fineness)
Grinding Electricity Savings	10% – 18% reduction in specific power consumption (kWh/t)
Kiln Coal Savings	5% – 12% reduction in specific coal consumption (kg/t)
Solid Waste Utilization Increase	Improves waste residue grindability, enabling 3%–8% higher blending ratio

4. Case Study

JT-SL20A Raw Material Grinding Aid – Industrial Trial Data

Parameter	Before (Blank)	After (Trial)	Improvement
Dosage (%)	0	0.2	—
Raw Mill Output (t/h)	386	416	↑ 30 t/h (7.8%)
Grinding Electricity Use (kWh)	16.65	15.62	↓ 1.03 kWh/t (6.2%)
Raw Meal Fineness (80µm Residue %)	19.2	18.8	↓ 0.4% (Finer)
Mill Vibration (mm/s)	2.66	2.45	↓ 0.21 (More Stable)
Raw Meal Decomposition Rate (%)	93.32	94.46	↑ 1.14% (Better Burnability)
Clinker Coal Consumption (kg/t)	109.3	106.1	↓ 3.2 kg/t (2.9%)

Result: A small 0.2% dosage increased mill output by 7.8%, reduced grinding electricity use by 6.2%, and lowered clinker coal consumption by 2.9%. Mill operation became more stable, and raw meal burnability was significantly improved.

5. Frequently Asked Questions

Q: How is the optimal dosage determined?

A: The recommended range is 1000g – 2000g per ton of raw meal. Exact dosage depends on raw material grindability, mill type, and target fineness. Our technical team can assist with industrial trials to find your economic optimum.

Q: Are the chloride ion and alkali contents high enough to cause preheater blockage?

A: No. ZS-Raw Material Grinding Aid strictly controls Cl⁻ (≤0.1%) and R₂O (≤1.0%) indicators. Each shipment comes with a quality inspection report. It is low in alkali and chloride and will not cause preheater scaling or blockage.

Q: How should ZS-Raw Material Grinding Aid be stored?

A: It is a weakly alkaline liquid. Store in a sealed plastic or stainless steel container at temperatures between -10℃ and 40℃. Shelf life: 12 months.

Q: What are the main components?

A: The product is mainly composed of organic surfactants and complex alkanolamines, with other polyols as auxiliary components. It is brownish-black, opaque, odorless, and does not harm human health.

6. Application Scope

Application	Benefit
Tube Mill / Vertical Mill for Raw Material Grinding	Improved throughput, lower energy intensity
New Dry Process Cement / Specialty Cement Production	Optimized raw material fineness, reduced SO₂ emissions in kiln tail gas, lower coal consumption
Solid Waste Co-Resource Utilization	Addresses issues of high viscosity and agglomeration, increasing waste residue blending ratio

7. Usage Guidelines

Calibration: Install a dedicated metering pump and calibrate it to the target dosage (1000g – 2000g/ton of raw meal). Direct metering is used when no lift is required; a two-stage pumping method is used when the feeding height needs to be increased. The addition point is set at the raw material feed belt or mill inlet.

Application Point (3 options):

Mill Feed Belt (Preferred): Spray and drip at the raw material collection belt or mill inlet for pre-mixing with raw materials.

Batching Silo Discharge Port: Fixed-point addition at the limestone/clay discharge belt.

Drying Mill Air Inlet: Applicable to air-swept mills and intermediate discharge mills.

Monitoring: Track mill amperage, production rate (t/h), raw meal quality (fineness, residue), and kiln coal consumption before and after introduction to quantify performance improvement.

Note: We provide customers with methods for detecting and controlling the feed rate.

8. Related Products

ZS-High-Efficiency Enhanced Grinding Aid – For maximum clinker replacement and cement strength.

ZS-High-Dosage Limestone Cement Grinding Aid – For cement with high limestone content.

ZS-Cement Strength Enhancer – A dedicated product for ultimate strength needs.

ZS-Hexavalent Chromium Reducer – For environmental compliance.

9. Call to Action

Our engineering team is available for virtual or on-site mill diagnostics. Contact us today for a free grinding efficiency analysis tailored to your plant's specific raw material and operating parameters.

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