How much does it cost to invest in a 50-80 t/h limestone crushing plant?

To understand how much it costs to invest in a small-scale limestone crushing plant, we first need to know what a production line consists of.

The composition of a small-scale limestone-crushing plant

For a limestone crushing plant with a capacity of 50-80 tons per hour, several machines are typically needed.

Primary Crusher:

• Jaw Crusher: This machine is commonly used as the primary crusher in limestone crushing plants. It works by compressing the limestone between a fixed jaw and a moving jaw. As the moving jaw moves away from the fixed jaw, the crushed material is discharged at the bottom. Jaw crushers are known for their simple design, high reliability, and relatively low maintenance requirements.

Secondary Crusher:

• Impact Crusher: Another common choice for secondary crushing is an impact crusher. These machines use impact force to crush the limestone, utilizing hammers or blow bars that strike the material against a stationary plate. Impact crushers are known for their high reduction ratios and the ability to produce cubical-shaped aggregates.

• Cone Crusher: A cone crusher is often used as the secondary crusher in limestone crushing plants. It operates similarly to the primary crusher but uses a mantle and concave to crush the material instead of jaws. Cone crushers are capable of producing finer and more uniform-sized aggregates compared to jaw crushers.

Screening Equipment:

• Vibrating Screen: Vibrating screens are used to separate the crushed limestone into different sizes or grades. They consist of a screen deck which vibrates in a circular motion, allowing smaller particles to fall through while larger particles are retained. Multiple decks can be used to produce multiple product sizes simultaneously.

Conveyor Belts:

• Belt Conveyor: Belt conveyors are used to transport the crushed limestone between different stages of the crushing process and to stockpile the final products. They consist of a continuous loop of material, typically made of rubber or PVC, supported by rollers or idlers. Belt conveyors are essential for efficient material handling in a crushing plant.

Dust Control System(option):

• Dust Suppression System: A dust suppression system is essential to control the dust generated during the crushing process. This system typically involves the use of water sprays or misting systems to suppress airborne dust particles. Dust collectors may also be installed to capture and remove dust from the air, improving the overall air quality in the plant.

Each of these pieces of equipment plays a crucial role in the limestone crushing process, ensuring efficient operation and high-quality final products. Proper maintenance and regular inspections are necessary to ensure the longevity and optimal performance of the equipment.

How to calculate cost?

After understanding the above content, we will know which machines we need to purchase. SBM Group is committed to providing high-quality crushing and grinding production equipment. We can provide you with a complete set of production solutions and equipment quotations. Welcome to contact us for consultation.

• 1. Raw Material Costs: This includes the cost of purchasing limestone from quarries or mines. The cost can vary depending on factors such as distance from the source, quality of the limestone, and market conditions.
• 2. Operational Costs:
  • • Labor Costs: The wages of workers involved in operating and maintaining the crushing plant.Energy Costs: Electricity or fuel costs for running the machinery and equipment.
  • • Maintenance Costs: Costs associated with regular maintenance, repairs, and replacement of parts for the crushing equipment.
    • Equipment Depreciation: The cost of depreciation for the machinery and equipment used in the plant over their useful lifespan.
• 3. Transportation Costs: This includes the cost of transporting raw materials from the quarry to the crushing plant, as well as the cost of transporting finished products to customers or distribution centers.
• 4. Regulatory Compliance Costs: Costs associated with complying with environmental regulations, obtaining permits, and any other regulatory requirements imposed on the operation of the crushing plant.

Who are the produced limestone sold to?

Limestone (CaCO3) is crushed into particles or ground into powder for various industries like construction, highways, metallurgy, and chemicals.

It’s also used to produce quicklime (CaO) and hydrated lime (Ca(OH)2). Quicklime finds applications in water treatment, asphalt improvement, desulfurization, building materials, and medicine. Hydrated lime, derived from quicklime, is used in environmental protection, medicine, and food industries.

The products produced by a limestone crushing plant, such as crushed limestone aggregates, can be sold to a variety of customers in different industries.

• 1. Construction Companies: Crushed limestone is commonly used as a construction material for road base, railroad ballast, concrete aggregate, and as a component in asphalt mixtures. Construction companies that are involved in building roads, bridges, and infrastructure projects are primary customers.
• 2. Concrete Manufacturers: Crushed limestone aggregates are a key component in concrete production. Concrete manufacturers use them as an aggregate in the production of ready-mix concrete and precast concrete products.
• 3. Asphalt Producers: Crushed limestone is used as an aggregate in asphalt mixtures to improve stability and durability. Asphalt producers use it in the production of asphalt pavement for roads, parking lots, and other surfaces.
• 4. Building Contractors: Contractors involved in residential and commercial building projects may purchase crushed limestone for various applications, such as foundation fill, drainage, and landscaping.
• 5. Landscaping and Gardening Companies: Crushed limestone is often used in landscaping and gardening projects for pathways, garden beds, and decorative purposes.
• 6. Industrial Applications: Limestone is used in various industrial processes, such as in the manufacturing of cement, steel, glass, and lime. Industrial customers may purchase crushed limestone for use in their production processes.
• 7. Agricultural Sector: Agricultural lime, which is made from crushed limestone, is used to neutralize soil acidity and improve soil fertility in agricultural fields. Farmers and agricultural suppliers may be potential buyers.
• 8. Homeowners and DIY Enthusiasts: In some cases, crushed limestone products may be sold directly to homeowners and DIY enthusiasts for small-scale projects like driveway construction, landscaping, and gardening.