350-450 tph Stone Crusher Plant

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350 - 400 tph Stone crusher plant introduction

A 350 - 400 tph stone crusher plant is a stationary crushing and screening system with a maximum processing capacity of 400 tons per hour. It typically uses two or three crushing stages, including primary jaw crushing, secondary cone or impact crushing, and optional tertiary crushing. This type of plant is commonly used in mining, quarrying, construction, and recycling industries. The system integrates crushers, vibrating screens, conveyors, transfer bins, and dust collection equipment into a fixed layout designed for long-term operation at a specific site.

400tph Crushing Plant Features

1. Primary Jaw Crusher – C Series Model C125.

The C series jaw crusher is used as the primary crushing unit in this 400 tph plant. Compared to traditional PE series jaw crushers, the C series offers a higher crushing ratio and more stable operation. It is designed for easy transportation, installation, and maintenance adjustment. This makes it particularly suitable for fixed crushing lines and modular plants. The C125 is the best choice for high-efficiency crushing of hard and highly abrasive materials such as granite, basalt, and river stone.

2. Secondary Crusher – HPC Series Cone Crusher or Impact Crusher.

For medium and fine crushing operations, the HPC series cone crusher is the standard option. It adopts a unique crushing cavity design and the principle of laminated crushing. This produces a well-shaped, cubical final product, which is highly desirable for construction aggregates. If the material is softer and less abrasive, such as limestone, an impact crusher can be used instead of the cone crusher. The choice depends on material hardness and the required output size range.

3. Vibrating Screen – YK Series Circular Motion Screen.

The YK series vibrating screen is a multi-deck screen with circular motion, specially designed for quarry applications. It separates crushed stone material into different size fractions. Key features include a reliable structure, strong excitation force, high screening efficiency, low vibration noise, and long service life. The number of decks and screen mesh sizes can be customized according to the customer's final product specifications.

4. Semi-finished material pile.

A semi-finished material pile is designed between the primary crushing stage and the medium crushing stage. This pile serves as a buffer to balance the overall system capacity of the aggregate production line. By storing crushed material from the primary crusher, the downstream cone crusher receives material at a more uniform speed. This improves crushing efficiency, reduces wear on the cone crusher, and allows continuous operation even when the primary crusher experiences brief fluctuations in feed rate.

5.Transfer Bin.

The transfer bin plays the role of material transfer, buffering, and system adjustment. Its capacity is generally designed to store enough aggregate for the next crushing equipment to run continuously for two to three hours. This buffer capacity is critical for maintaining stable operation when the upstream feeding is temporarily interrupted or uneven.

How Does 350- 400 tph Large Sacle Stone Crushing Plant Work?

Step 1: Raw Material Feeding. Raw material is dumped into the feed hopper using a loader or excavator. A vibrating feeder then transfers the material evenly and continuously into the primary jaw crusher. The vibrating feeder is equipped with a grizzly bar section to remove fine material before it enters the crusher, reducing unnecessary wear on the jaw plates.

Step 2: Primary Crushing. The material enters the C125 jaw crusher, where it is crushed to a medium size, typically between 150 mm and 250 mm, depending on the crusher setting. The jaw crusher operates with a fixed jaw and a moving jaw that creates a compressive force. This stage reduces large rocks to a manageable size for the secondary crusher.

Step 3: Material Transfer and Buffering. After primary crushing, the material is conveyed to a transfer bin. This bin serves three purposes. First, it transfers material from the primary crushing stage to the secondary crushing stage. Second, it buffers against fluctuations in feed rate. Third, it allows for system adjustment and maintenance without completely stopping the entire plant. The bin is sized to hold two to three hours of material for the secondary crusher.

Step 4: Secondary Crushing. Material from the transfer bin is fed into the secondary crusher. The choice of secondary crusher depends on material hardness and the required final product shape. For hard and abrasive materials such as granite, basalt, and river stone, an HPC series cone crusher is used. The cone crusher applies laminated crushing, where material is compressed between a mantle and a concave, producing a cubical product shape. For softer materials such as limestone or dolomite, an impact crusher can be used, which uses blow bars and impact plates to break the material.

Step 5: Screening and Classification. The material leaving the secondary crusher is transported to a YK series vibrating screen. This circular motion screen has multiple decks, typically two to four, each fitted with a different mesh size. The screen separates the crushed material into different size ranges, such as 0–5 mm, 5–10 mm, 10–20 mm, 20–31.5 mm, and 31.5–40 mm. Each size fraction is discharged through a separate chute and conveyed to its own stockpile.

Step 7: Final Product Stockpiles. The classified final products are conveyed to separate stockpiles. These stockpiles are arranged according to product size for easy loading and dispatch. All final products meet relevant construction industry standards for road base, concrete aggregate, asphalt aggregate, or railway ballast, depending on local specifications.

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Our service

1. Customized Plant Selection. Baichy provides professional guidance to choose the right stone crusher plant based on your material type, production capacity, and project requirements. Every recommendation is tailored to ensure maximum efficiency and cost-effectiveness.

2. Timely Delivery & Logistics Support. We ensure your stone crusher plant is manufactured and delivered on schedule. Our logistics team coordinates every step, minimizing project downtime and keeping your operations on track.

3. On-Site Installation & Commissioning. Our engineers offer full on-site installation, setup, and commissioning services. We also train your operators to safely and efficiently run the plant, ensuring smooth operation from day one.

4. Spare Parts Supply & Certified Quality Assurance. Baichy provides a full range of spare parts and consumables for long-term plant maintenance. All equipment comes with ISO 9001 and CE certification, guaranteeing international quality and safety standards.

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