Aggregate Crushing Production Line | A Complete Process Analysis from Coarse Crushing to Finished Aggregate

An aggregate crushing production line is an industrialized production system that combines a series of mechanical equipment according to a specific technological process. This system processes large ores (such as limestone, granite, basalt, etc.) through multi-stage crushing, screening, and washing processes to produce sand and gravel aggregates of various particle sizes required for construction projects.

Core Objective: To efficiently, economically, and environmentally produce high-quality aggregates that meet international standards (such as GB/T 14685-2022). Products include crushed stone and manufactured sand of various particle sizes.

The aggregate crushing production line uses "multi-stage crushing + multi-stage screening" as its core process, typically employing a "two-stage closed-circuit" or "three-stage closed-circuit" process. Raw materials are fed into a jaw crusher for coarse crushing via a vibrating feeder, followed by medium crushing via an impact crusher or cone crusher. Finally, the crushed mixture is graded by a multi-layer vibrating screen. Large particles on the upper screen are returned or sent to the next crushing process (such as being fed into a sand making machine for fine crushing and shaping), while qualified aggregates are transported by belt conveyors to different finished product stockpiles for storage and transportation. The modern production line is also equipped with a complete set of environmentally friendly intelligent auxiliary systems, including bag filters, cleaning systems, and a central automatic control system.

Stationary Crushing Lines: Customized Solutions Built On Site Specifics, Raw Materials, And Product Needs

200tph Granite Crushing Production Line

Raw Material: Granite
Capacity: 200 tons/hour
Location: Somalia
Configuration: C100 jaw crusher + PFW1315 impact crusher + 4YK2160 vibrating screen
Project: Aggregate Production for Road Construction

Customer Review: "From installation and commissioning to daily operation, this production line has performed exemplary. The C100 jaw crusher has a strong feed capacity, the PFW1315 impact crusher produces stones with excellent particle shape, and the vibrating screen separates them clearly. Although granite is very hard, equipment wear is within a controllable range, and maintenance is convenient. "

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300 tph Pebble Crushing Production Line

Raw Material: Pebble Stone
Capacity: 300tph
Location: Tajikistan
Configuration: C-series jaw crusher + 2 Simons cone crushers + 2 vibrating screens + sand making machine + belt conveyor
Finished Product Size: 0-5mm, 5-10mm, 10-20mm, 20-25mm
Project: Road Construction Aggregate Production

Ulasan pelanggan: "This production line not only consistently meets output targets but also excels in quality control. Cobblestones are inherently difficult to crush, but the finished aggregate has uniform particle shape and low needle-like/flaky content, fully meeting the requirements for road base and surface layer construction.”

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200-300tph Basalt Crushing Production Line

Raw Material: Basalt
Capacity: 200-300 t/h
Location: Mexico
Configuration: ZSW1149 feeder + C110 jaw crusher + PFW1320 impact crusher + 3YK2470 vibrating screen + belt conveyor
Finished Product Size: 0-3mm, 3-25mm, 25-76mm
Project: Road Aggregate Production

Ulasan pelanggan: “This production line perfectly meets the stringent environmental and production standards of Mexico. It not only efficiently processes high-hardness basalt, but also produces aggregates with excellent particle shape and stable gradation, fully meeting the highest material quality requirements of our highway project.”

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The Global Standard for On-Site Processing: Stone Crushers Equipment

Our family of crushing equipment includes a full range of products, including jaw crushers, cone crushers, impact crushers, and mobile crushing plants, capable of meeting various crushing needs from mining to urban solid waste recycling. We provide intelligent crushing and screening solutions covering the entire process of primary crushing, secondary crushing, fine crushing, and sand making.

PE Series Jaw Crusher

Primary crushing station, coarse crushing unit, high-efficiency coarse crushing solution

Capacity: 5-1200 t/h
Feed size: ≤ 1200mm
Output size: 25-300 mm

Main application areas/scenarios:

Primary crushing in large mines/open-pit mines: Iron ore, copper ore, gold ore, limestone, granite, and various other metallic and non-metallic ores;
Quarries and construction aggregate production lines: Basalt, river pebbles, construction waste, concrete blocks, etc.;
Temporary crushing at construction sites: Temporary crushing needs for road infrastructure, water conservancy and hydropower projects, urban renewal and transformation, etc.

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Model	Feeder Opening Size(mm)	Max. Feeding Size (mm)	Outlet adjusting Size(mm)	Capacity (t/h)	Motor Power (kw)	Overall Dimension (mm)
PE250x400	250x400	210	25-60	5-20	15	1215x1240x1210
PE400x600	400x600	350	40-90	15-60	30	1700x1750x1680
PE500x750	500x750	425	50-100	40-130	45	2150x1900x1950
PE600x900	600x900	500	60-125	90-180	55	2500x2010x2350
PE750x1060	750x1060	630	60-150	110-380	110	2630x2310x3110
PE900x1200	900x1200	750	95-165	220-450	132	3720x2850x3250
PE1000x1200	1000x1200	850	200-300	280-560	160	3820x2850x3250
PE1200x1500	1200x1500	1020	150-300	400-800	220	4590×3342×3553
PE1500x1800	1500x1800	1200	210-360	520-1100	280	5100x4700x4300

PF Series Impact Crusher

High-efficiency secondary crushing equipment designed specifically for medium-hard materials

Processing Capacity: 15-800 t/h
Feed Size: ≤ 700 mm
Motor Power: 45-355kw

Main Application Areas/Scenarios:

Construction aggregate production lines (secondary crushing stage): Medium-hard materials such as limestone, dolomite, shale, and construction waste;
Mining crushing systems (secondary crushing): Secondary crushing of metal ores such as iron ore, copper ore, and gold ore;
Cement production lines (limestone crushing): Crushing of limestone before the pre-homogenization stockpile in cement plants;
Construction waste recycling: Concrete blocks, bricks, rubble, and other construction solid waste.

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Model	Feeder opening size(mm)	Max feeding size(mm)	Rotor size D*L(mm)	Capacity (t/h)	Power (kw)	Overall Dimension (mm)
PF1007	450X730	≤250	Φ1000X700	15-60	45	2330x1700x2560
PF1010	400X1080	≤300	Φ1000X1050	50-90	55	2330x2010x2560
PF1210	450X1150	≤400	Φ1250X1050	70-130	90	2640x2010x2850
PFW1210	450X1150	≤400	Φ1250X1050	75-140	90	2900x2000x2600
PFW1214	480x1500	≤430	Φ1250X1400	100-180	132	2900x2400x2600
PFW1315	860X1520	≤500	Φ1320X1500	130-220	200	3300x2650x2650
PFW1320	900X2000	≤500	Φ1320X2000	160-350	250	3350x3175x2720
PFW1515	930x1550	≤600	Φ1500X1500	200-400	280	3450x2750x3010
PFW1520	930X2040	≤700	Φ1512X2000	300-450	355	3450x3250x3010
PFW1820	1620X2040	≤700	Φ1800X2000	500-800	2 x 315	4400x3750x3900

CS Symons Cone Crusher

High-performance medium and fine crushing equipment designed for materials of medium and high hardness.

Processing Capacity: 30-800 t/h
Feed Size: 35-284 mm
Motor Power: 75-400 kW

Main Application Areas/Scenarios:

Mining medium and fine crushing operations: iron ore, copper ore, gold ore, non-ferrous metal ores, etc..
Sand and aggregate production lines (secondary/tertiary crushing): granite, basalt, limestone, river pebbles, quartzite, etc.;
Cement production lines: crushing before the pre-homogenization stockpile in cement plants;
Construction waste recycling: concrete blocks, bricks, rubble, and other construction solid waste.

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Model	Cavity Type	Crushing Cone Diameter(mm)	Adjusting Range of Discharge Opening（mm）	Max feeding size (mm)	Capacity (t/h)	Motor (kw)	Overall size (mm)
CS75	Coarse	900(3')	25-38	150	59-163	75	2450×1820×2100
CS75	Medium	900(3')	13-38	85	45-91	75	2450×1820×2100
CS75	Fine	900(3')	6-22	35	27-90	75	2450×1820×2100
CS110	Coarse	1200(4')	15-50	180	110-250	110	2485×2050×2445
CS110	Medium	1200(4')	10-38	130	80-180	110	2485×2050×2445
CS110	Fine	1200(4')	10-31	90	63-140	110	2485×2050×2445
CS160	Coarse	1295(4 1/4')	19-50	205	172-349	132	2885×2320×2855
CS160	Medium	1295(4 1/4')	16-38	178	132-253	132	2885×2320×2855
CS160	Fine	1295(4 1/4')	13-31	115	109-181	132	2885×2320×2855
CS220	Coarse	1400(4 1/2')	30-60	235	210-530	220	3153×2358×2750
CS220	Medium	1400(4 1/2')	22-45	180	180-475	220	3153×2358×2750
CS220	Fine	1400(4 1/2')	19-40	100	130-260	220	3153×2358×2750
CS250	Coarse	1650(5 1/2')	30-60	228	299-635	250	3410×2620×3350
CS250	Medium	1650(5 1/2')	25-50	205	258-417	250	3410×2620×3350
CS250	Fine	1650(5 1/2')	20-45	178	181-327	250	3410×2620×3350
CS315	Coarse	2135(7')	31-64	314	1125-1814	400	4613×3302×4638
CS315	Medium	2135(7')	25-51	284	862-1424	400	4613×3302×4638
CS315	Fine	2135(7')	19-38	236	544-1034	400	4613×3302×4638

VSI Sand Making Machine

The sand making machine is the core equipment of the manufactured sand production line.

Processing Capacity: 60-800 t/h
Feed Size: 0-50 mm
Motor Power: 110-520 kW

Main Application Areas/Scenarios:

Manufactured sand production lines: river pebbles, granite, limestone, basalt, construction waste, etc.;
Dry-mix mortar production lines: production of dry-mix mortar, special mortar, thermal insulation mortar, etc.;
Concrete mixing plants: sand production for 5-20mm aggregates;
Construction waste resource utilization: concrete blocks, bricks, rubble, and other construction solid waste.

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Model		VSI-7611	VSI-8518	VSI-9526	VSI-1140	VSI-1145
Capacity (t/h)	Cascade and Center Feeding	120-180	200-260	300-360	450-520	490-600
Capacity (t/h)	Center Feeding	60-90	100-130	150-190	225-260	250-310
Feeding Size (mm)	Soft Material	< 35	< 40	< 45	< 50	< 50
Feeding Size (mm)	Hard Material	< 30	< 35	< 40	< 45	< 45
Rotation Speed (r/min)		1700-1890	1520-1690	1360-1510	1180-1310	1180-1280
Power of the Double Motors (kw)		110-150	180-220	264-320	400-440	440-520
Overall dimension LWH (mm)		370021502100	414022802425	456024472278	500027003300	510027903320
Power Source		380v:50hz
Vibrating Sensor		Inspection Scope:0.1-20mm/s, it can be adjusted continuously.
Hydraulic Lubrication Station	Power of Double Oil Pump	2x0.31kw
	Safety	Double oil pumps make sure supply of oil with; Stop automatically without oil flow or oil pressure; Water cooled; Heating start the motor in winter.
	Overall Dimension LWH (mm)	820x520x1270
	Power of Oil-Box Heater	2kw

Customized Crushing Solutions for Various Projects

Large-Scale Hard Rock Crushing Production Line

Design Focus: High wear resistance, high capacity, multi-stage crushing.
Raw Material Characteristics: High compressive strength (>150MPa), high silica content, highly abrasive rocks (e.g., granite, basalt, quartzite).
Multi-stage Crushing: Typically employs a powerful combination of jaw crusher (coarse crushing) + cone crusher (medium crushing) + cone crusher/impact crusher (fine crushing) to process high-hardness materials.
Wear Resistance: All parts in contact with the material (hammers, liners, impellers, etc.) are made of ultra-high wear-resistant materials (e.g., high-manganese steel, composite ceramics).
Precise Particle Size Control: By adjusting the crusher discharge port and screen specifications, various particle sizes of crushed stone (e.g., 0.5, 1.2, 1.3, 2.4, etc.) can be precisely produced.

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Standard Configuration Soft Rock Crushing Production Line

Design Focus: Simplified process, energy saving and economy, anti-clogging.
Raw material characteristics: Medium to low hardness (<100MPa), low abrasiveness, may contain muddy water (e.g., limestone, dolomite, shale).
Process simplification: Typically employs a two-stage crushing mode of "jaw crusher (coarse crushing) + impact crusher (medium and fine crushing)". The impact crusher utilizes impact energy to obtain good product particle shape.
Particle shape optimization: The impact crusher naturally produces more cubic particles when crushing soft rock, thus obtaining excellent particle shape.
Flexibility: The production line configuration and adjustment are more flexible, easily adapting to changes in raw material or product specifications.

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Sand Making and Washing Production Line

Design focus: Particle shape optimization, gradation control, washing and impurity removal.
Raw material characteristics: Can be specially selected ore raw materials (small particle size), tailings (stone chips) from the previous two production lines, or river pebbles, etc.
Core sand making equipment: The core equipment is a vertical shaft impact crusher (sand making machine), which uses the "stone-to-stone" or "stone-to-iron" crushing principle for shaping and sand making. Sand washing and screening stage: Wheel or spiral sand washing machines are essential equipment for removing mud, stone powder, and impurities from sand.
Product control: Key indicators include fineness modulus, stone powder content, mud content, and particle shape, which require precise control through equipment adjustments and process parameter adjustments.

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Our aggregate production line solutions are not static but tailored to your specific needs and site conditions. We analyze key dimensions such as rock hardness, target product specifications, capacity requirements, and environmental regulations to design the most suitable process path and equipment configuration for you. Whether it's "multi-stage crushing + wear-resistant selection" for large hard rocks, "simplified process + cost control" for conventional soft rocks, or "shaping and gradation + water circulation system" for sand making and washing, we can flexibly adjust to ensure precise implementation of the technical solution.

Our goal is to deliver a turnkey project that is stable, efficient, and economical in the long term. From equipment selection and energy conservation to intelligent control and environmental compliance, every aspect is optimized with your long-term profitability and compliant operation as the core. Please tell us your specific needs and site conditions, and we will present you with a customized solution.

Global Crushing Equipment Market: From Construction Projects to Waste Recycling

In The Construction Industry

Stone crusher plants are a core link in the production of high-quality aggregates, and their products are key foundational materials ensuring the performance of building structures and infrastructure.

1. Concrete production: As a major component, crushed stone aggregate directly determines the strength, durability, and reliability of concrete, making it an important raw material for various construction projects.
2. Foundation and subgrade engineering: Providing stable base layers and fillers for buildings, bridges, and other infrastructure, ensuring long-term safety and structural integrity.

Summarize

With global urbanization and infrastructure upgrades, especially in emerging economies and urban clusters, the demand for aggregates continues to grow. Localized and cost-effective aggregate supply has become a crucial foundation supporting the development of the construction industry.

Aggregate Crushing Production Line Solutions

In The Road Construction Sector

In road construction, quarrying plants are a crucial aggregate supply link. The aggregates they produce are mainly used for:

1. Road base and subgrade: Crushed stone constitutes the load-bearing layer of roads, providing necessary stability, drainage, and load distribution capacity.
2. Asphalt mixtures: as a key component of pavement materials, directly affecting road durability and skid resistance.

From road upgrades to global connectivity

From regional upgrades to global connectivity, road construction continues to advance. In transnational connectivity projects such as the Belt and Road Initiative and the Trans-European Transport Network, the demand for high-quality aggregates has increased significantly, further promoting the development of quarrying plants in key regions.

Construction Waste Recycling Includes:

1. Resource regeneration: Construction waste is crushed and screened into recycled aggregate for use in engineering projects.
2. Circular economy practices: This model reduces landfill, alleviates pressure on raw material extraction, and saves costs.

Global Practices in the Resource Utilization of Construction Waste

Globally, the EU, Japan, and other regions have incorporated construction waste recycling into green building and sustainable development systems through policies and technology promotion. Mobile crushing equipment enables on-site processing, improving efficiency.

Gravel plants play a crucial role in three key dimensions: aggregate supply, road engineering support, and construction waste recycling. With increasing global emphasis on infrastructure resilience, green building, and the circular economy, gravel plants will not only continue to provide basic materials for the traditional construction industry but will also play an increasingly important role in driving the industry's transformation towards high efficiency, low carbon emissions, and sustainability.