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C90 Jaw Crusher River Stone Crushing Plant - Philippines Case Study

Project Location: Luzon Island, Philippines

Material Type: River Stone / Cobblestone

Material Hardness: Mohs 6–7, Compressive Strength 150–300 MPa

Core Equipment: Baichy C90 European C-Series Jaw Crusher

Processing Capacity: 100–150 t/h (Actual Operation)

Finished Product Specifications: 0-5mm, 5-10mm, 10-20mm, 20-40mm

Finished Product Applications: Concrete Aggregate, Road Base, Infrastructure Construction

Commissioning Time: 2024

Pebble crushing finished product display

C90 Jaw Crusher River Stone Crushing Plant - Philippines Case Study
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Market Background

The Philippine infrastructure construction industry is experiencing historic expansion. According to Mordor Intelligence, the Philippine construction market size will reach US$45.48 billion in 2025 and is projected to grow to US$61.7 billion by 2034 (CAGR 4.56%). The Marcos government's "Build Better More" (BBM) infrastructure program maintains annual public infrastructure spending at 5%–6% of GDP, far exceeding the Southeast Asian average.

The topography of the Philippine archipelago dictates the regionalized nature of aggregate supply—each major island requires a separate crushing site to meet local demand. Luzon, as the population and economic heartland (accounting for over 70% of the national GDP), has a particularly urgent need for high-quality concrete aggregates, and its abundant river stone resources provide a natural advantage for on-site, fixed-site crushing solutions.

The core challenge: The infrastructure investment surge driven by the BBM program requires massive quantities of high-quality aggregates, while Luzon's existing small-scale crushing plants suffer from dispersed capacity, aging equipment, and poor particle shape, failing to meet modern engineering construction standards—introducing efficient and reliable primary stone crushing equipment has become a top priority for quarry owners.

Equipment Selection Logic: Why the C90 European Jaw Crusher?

This project adopts a simplified process of "single-stage jaw crusher coarse crushing + vibrating screen grading." For medium-hardness materials (Mohs 6–7) such as river stones/pebbles, the C90 European-style jaw crusher can complete the crushing task from raw stone to multi-size finished aggregates as a single unit, eliminating the need for secondary crushing and significantly reducing investment threshold and operational complexity.

C90 European C-Series Jaw Crusher — Core Primary Crushing Equipment

Technical Parameters Values
Feed Opening  610 × 910 mm
Max Feed Size ≤ 500 mm
Discharge Setting 60–180 mm
Capacity  60–180 t/h
Motor Power 75 kW
Eccentric Shaft Speed 260 r/min
Overall Dimension  3,170 × 1,995 × 1,936 mm

Selection Rationale

1. "River-Friendly" Feed Opening Design: The C90's 610×910mm feed opening easily accepts natural river stones with a particle size ≤500mm. 1. Raw stones collected from Luzon's river channels can be directly fed into the crusher after simple screening to remove silt, eliminating the need for secondary blasting or pre-crushing, thus saving a pre-treatment step and associated equipment and labor costs.

2. High crushing ratio with European-style chamber design: The C-series utilizes a deep-cavity bending compression crushing principle, achieving a crushing ratio of 4–6, providing excellent "biting" ability for smooth, rounded pebbles. Compared to traditional PE series jaw crushers, the C-series' wedge-type jaw plate fixing structure and optimized moving jaw movement trajectory allow river stones to remain in the crushing chamber for a longer compression time, significantly reducing the content of needle-like and flaky particles.

3. Hydraulic discharge port adjustment: Traditional jaw crushers require stopping the machine, loosening bolts, and manually adjusting shims to adjust the discharge port—taking 30–60 minutes. The C90's hydraulic adjustment system can complete the discharge port adjustment within 5 minutes without stopping the machine. For quarries that frequently switch finished product specifications based on order demands (e.g., from 10-20mm aggregate to 20-40mm roadbed material), this advantage directly translates into increased capacity utilization.

4. Integrated Motor Mount Design: The motor mount and main frame utilize an integrated casting/welding structure, saving installation space and shortening the center distance between the motor and main unit, reducing V-belt vibration and wear, and extending the lifespan of the transmission system. In the humid and hot environment of the Philippines, a stable transmission system means less downtime for maintenance.

5. Compatibility with the Philippine Power Grid: The 75kW motor is compatible with the local 60Hz power standard (the Philippines uses the US standard 60Hz/220V/440V three-phase power), eliminating the need for additional frequency converters or transformers. Furthermore, the 75kW power output is considered low-power for its capacity level; based on an actual capacity of 100 tph, the unit power consumption is approximately 0.55–0.65 kWh/ton.

Why choose C90 instead of PE600×900?

Comparison Dimensions C90 (European Version) PE600×900 (Traditional)
Discharge Port Adjustment Hydraulic adjustment, completed within 5 minutes Manual shims, 30–60 minutes
Crushing Chamber Design Symmetrical deep chamber, suitable for smooth materials Standard chamber, prone to slipping on pebbles
Jaw Plate Life (River Stone Conditions) Mn18Cr2 jaw plates, 1,000–1,500 hours Mn13 jaw plates, 600–900 hours
Motor Mount Structure Integrated design, V-belt life extended by 30% Split design, V-belt wears faster
Compact Appearance Smaller footprint  Larger installation foundation

For stationary crushing plants aimed at long-term stable production, the combined advantages of the C90 European jaw crusher in terms of ease of maintenance, wear part life, and finished product quality are sufficient to recover the initial price difference with the PE series within 12–18 months.

 C90 European jaw crusher primary crushing station installed at Luzon quarry PhilippinesBaichy C90 jaw crusher feeding river stone cobblestone at fixed crushing plant LuzonVibrating screen classifying crushed river stone into 4 finished sizes Philippines

Advantage

Technical Advantages and On-Site Performance

Full view of 100-150 tph river stone crushing production line setup Luzon Philippines

Capacity Achievement Rate

Indicator  Design Value Actual Value Achievement Rate
Hourly Processing Capacity 120 t/h 100–150 t/h 100%+
Daily Operating Length 10 h 10–12 h 100%+
Daily Output 1,200 t  1,200–1,500 t 100%+
Monthly Output (25 days) 30,000 t 30,000–37,500 t 100%+

Note: Actual capacity fluctuates depending on the distribution of raw stone particle size and the required specifications of finished products. Capacity can reach its upper limit when processing 20-40mm roadbed material, and decreases to its lower limit when processing 0-5mm fine material due to the smaller discharge port setting.

Finished Product Quality

• Flaky/needle content: ≤12% (Meets ASTM D4791 requirements for concrete aggregates)

• Clay content: <1.5% (pre-screening for clay removal + low clay content of river stone itself)

• Crushing value: 12–16% (Inherent high strength characteristics of river stone)

• Grading continuity: Good, meets Philippine DPWH standard specifications

Lifespan of Wear-Resistant Parts

Mn18Cr2 high-manganese steel exhibits superior work hardening properties under moderate impact conditions on river stones—surface hardness can be increased from an initial HB200 to HB500+, significantly extending service life. Compared to traditional Mn13 material, Mn18Cr2 jaw plates show approximately a 40–60% increase in lifespan under river stone conditions.

Frequently Asked Questions:

Q1: Can a single-stage C90 jaw crusher directly produce manufactured sand (0-5mm)?

No, it cannot directly produce only sand. Jaw crushers are coarse crushing equipment, and their crushing principle determines that the proportion of 0-5mm fine material is usually 15-25% (depending on the discharge port setting and the brittleness of the material). If you need to increase the proportion of manufactured sand, it is recommended to add an impact crusher (PF series) or vertical shaft impact crusher (VSI series) after the C90 for secondary shaping and sand making. However, if 0-5mm is only a by-product requirement (such as for roadbed subbase or backfill), a C90 alone is sufficient.

Q2: Is the C90 compatible with the Philippine 60Hz power grid? Is a transformer required?

Fully compatible. The C90 standard motor supports 60Hz power (the Philippines uses US standard 60Hz/220V/440V three-phase power). The windings can be customized at the factory to suit the customer's local voltage and frequency, eliminating the need for additional transformers or frequency converters. Compared to using a standard 50Hz motor directly with a 60Hz grid (which can lead to a 20% increase in speed, abnormal current, and motor overheating), Baichy equips export orders with a customized 60Hz motor to ensure stable operation under the local power grid.

Q3: What are the differences between using the C90 jaw crusher to process river rock and granite?

River stones (Mohs 6–7) have lower hardness and abrasiveness than granite (Mohs 7–8), therefore the C90 offers lower unit power consumption (approximately 0.55–0.65 kWh/ton vs. granite 0.7–0.9 kWh/ton) and longer jaw plate life (Mn18Cr2 jaw plate 1,200–1,500 hours vs. granite 800–1,000 hours) under river stone conditions. However, the smooth and rounded surface of river stones makes traditional jaw crushers prone to "slippage"—the stone rotates at the feed inlet without being bitten. The deep cavity design and optimized moving jaw trajectory of the C-series European-style jaw crusher effectively solve this problem, ensuring that even smooth river stones can be stably gripped and crushed.

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