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Coarse Crushers

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  • ≤1200mm

    Feed Size

  • 30-280kw

    Motor Power

  • 0-1200t/h

    Capacity

Product Overview 

 
The coarse crusher (jaw crusher) is mainly used for the preliminary crushing of bulk materials. It is an important mechanical equipment in the production lines of mining, sandstone, sand making, stone, etc. It can crush large mineral raw materials into smaller granular materials, providing convenient conditions for subsequent production processes.
 
 
gravel-crushing-(Coarse-crushing,-Medium-crushing,-Fine-crus
Coarse Crushers
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Types and characteristics of coarse crushers

 
1. Jaw crusher: simple structure, light weight, relatively low price, easy to repair and transport, small exterior height, and small required plant height. In terms of technology, it works reliably and is easy to adjust the discharge port. However, the lining is easy to wear, the processing capacity is relatively low, and the particle size of the crushed product is uneven.
 
2. Gyratory crusher: It has a high crushing capacity and is mainly used for crushing hard ores in large and medium-sized ore dressing plants. Compared with the jaw crusher, it consumes less power, can crush ores continuously, and has a large processing capacity. The wear distribution of the lining in the crushing chamber is uniform, and there are fewer oversized pieces in the crushed product, and the particle size is uniform. However, the equipment has a complex structure, a high and heavy body, and requires a solid foundation, which increases the height of the plant.
 
3. Hammer crusher or impact crusher: In some non-metallic mines and cement industries, hammer crushers or impact crushers can also be used when processing softer or medium-hard ores.

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Working Principle
Coarse Crushers

 The coarse crusher, also known as the jaw crusher, is a devi

 

Selection principles for coarse crushers

 
When selecting a coarse crusher, you need to consider multiple factors to ensure that the equipment can meet production needs. Here are some common selection principles:
 
1. Feed size: The selected crushing equipment must be able to feed the largest block in the feed, so the width of the crusher feed port should be 1.2 times the size of the largest block.
 
2. Production scale: Select the appropriate coarse crusher model according to the size of the production scale. Large-scale ore dressing plants usually choose gyratory crushers with larger processing capacity, while small and medium-sized ore dressing plants may be more suitable for jaw crushers.
 
3. Equipment investment and operating costs: Consider factors such as equipment installation power, equipment weight, infrastructure investment, production and operation management fees, as well as equipment maintenance costs and replacement costs of wearing parts.
 
4. Material properties: Select the appropriate coarse crusher type and parameters based on the hardness, humidity, viscosity and other characteristics of the material.

Specification

*The output will vary according to different materials, feed particle size and other factors
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
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