# Project Report on Limestone Grinder in India
## 1. Introduction
Limestone is a crucial raw material used in industries such as cement, steel, agriculture, and construction. Grinding limestone into fine powder enhances its usability in various applications. This project report outlines the feasibility, market potential, technical aspects, and financial considerations for setting up a limestone grinder unit in India.
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## 2. Market Overview
2.1 Demand for Limestone Powder in India
– The Indian cement industry is the second-largest globally, consuming ~7-8% of global limestone production.
– Agricultural lime (for soil conditioning) and chemical industries also drive demand.
– The construction boom and infrastructure projects (roads, buildings) further increase limestone demand.
2.2 Key Market Drivers
– Government initiatives like “Make in India” and infrastructure development schemes.
– Rising demand for high-quality limestone powder in steel and glass industries.
– Growth of the agricultural sector requiring soil pH correction.
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## 3. Project Details
3.1 Objective
To establish a limestone grinding unit producing fine powder (200-400 mesh) for industrial and agricultural use.
3.2 Location Selection
– Preferred locations: Rajasthan, Andhra Pradesh, Gujarat, Madhya Pradesh (rich limestone deposits).
– Proximity to raw material sources reduces transportation costs.
3.3 Plant Capacity & Machinery
| Parameter | Details |
|———–|———|
| Production Capacity | 10–50 TPD (Tons Per Day) |
| Grinding Machine | Raymond Mill / Ball Mill / Vertical Roller Mill |
| Power Requirement | 50–200 HP (depending on capacity) |
| Raw Material | Limestone lumps (CaCO₃ ≥ 90%) |
| Finished Product | 200–400 mesh powder |
3.4 Process Flow
1. Crushing: Limestone lumps are crushed into smaller pieces.
2. Grinding: Crushed limestone is fed into a grinding mill (Raymond/Ball Mill).
3. Classification: Powder is sieved to desired fineness.
4. Packaging & Storage: Pa
d in bags or bulk for dispatch.
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## 4. Financial Analysis
4.1 Estimated Investment Cost
| Component | Cost (INR) |
|———–|————|
| Land & Building | ₹10–20 Lakhs |
| Machinery (Grinder + Auxiliary Equipment) | ₹30–50 Lakhs