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Crusher is an essential piece of equipment for manufactured sand production plants. There are many different types of crushers, so how do you choose one? And what is the price? Crusher prices vary depending on the model, material, and process. Because the size of the raw material and production capacity required vary depending on individual needs, production line configurations also vary. This article uses a 100-ton-per-hour production capacity as an example to share the investment budget for common crushing production lines. 1. Jaw Crusher + Cone Crusher/Impact Crusher + Sand Maker This is a complete crushing production line, and the budget is correspondingly higher. It is suitable for larger raw materials with finer output. This production line can directly process the raw material using a jaw crusher, cone crusher/impact crusher, and sand maker after blasting. Stones under 1.2 meters in size can be fed directly into the jaw crusher for coarse crushing, followed by a cone crusher/impact crusher for finer crushing, and then into a size of less than 5 centimeters before entering the sand maker for shaping. 2. Jaw Crusher + Cone Crusher/Impact Crusher This production line is suitable for customers with larger raw materials and require output in...
1. Applications where a cone crusher is more suitable Material Characteristics: When limestone has a high hardness (e.g., compressive strength > 200 MPa) or contains a high level of impurities, the wear-resistant components of a cone crusher (e.g., crushing wall and mortar wall) are more durable. Production Requirements: a. Large-scale production lines require stable secondary or tertiary crushing, such as mining projects with annual output exceeding one million tons. b. Applications where high particle size uniformity is required and excessive fines production is undesirable (e.g., for roadbed stone). Environmental Requirements: Low operating noise, suitable for areas with strict environmental requirements. 2. Applications where an impact crusher is more suitable Material Characteristics: Limestone has a medium hardness (compressive strength < 200 MPa), few impurities, and a relatively brittle texture, making it suitable for impact crushing. Production Requirements: a. Applications where a high-fineness product is desired (e.g., manufactured sand production) or where cubic particles are required (e.g., commercial aggregate). b. Applications where flexible particle size adjustment is required in small or medium-sized production lines (impact crushers can quickly change the output particle size by adjusting the gap between the impact plates). Additional Advantages: The crushing process inherently shapes the sand, reducing subsequent...
This article will list in detail the ore type, Mohs hardness, core characteristics, recommended crushing process (equipment combination) and the reasons for the recommendation. 1. Ore Type: Granite (Construction) Mohs Hardness: 6-7 Core Characteristics: Hard rock, high toughness, requires sand production Recommended Crushing Process (Equipment Combination): Jaw Crusher (Coarse Crushing) → Cone Crusher (Secondary Crushing) → Impact Crusher (Sand Making/Shaping) Recommendation: Cone crusher resists wear, while impact crusher ensures a satisfactory sand grain size 2. Ore Type: Limestone (Cement Raw Material) Mohs Hardness: 3-4 Core Characteristics: Medium hardness, high brittleness, finished product size 20-40mm Recommended Crushing Process (Equipment Combination): Jaw Crusher (Coarse Crushing) → Impact Crusher (Secondary Crushing) Recommendation: Impact crusher offers high efficiency, produces a fine finished product, and is suitable for cement aggregates 3. Ore Type: Gypsum (Construction) Mohs Hardness: 1.5-2 Core Characteristics: Soft rock, low hardness, and easy to crush Recommended Crushing Process (Equipment Combination): Jaw Crusher (Coarse Crushing) → Impact Crusher Hammer Crusher (Fine Crushing) Recommendation: Hammer crushers offer a high crushing ratio, produce finished products in a single stage, and offer low cost. 4. Ore Type: Iron Ore (for beneficiation) Mohs Hardness: 5-6 Core Characteristics: Hard rock, requires fine crushing to less than 20mm Recommended...
Choosing the right crusher based on ore characteristics hinges on matching the ore’s physical properties (hardness, brittleness, particle size), processing requirements (finished product particle size, output), and operating constraints (moisture content, mud content). From the perspective of matching core ore characteristics with equipment: 1. Ore hardness (Mohs hardness): Determines the equipment’s wear resistance. Hardness is the most critical indicator, directly impacting the life of the crusher’s wear parts and crushing efficiency. The higher the Mohs hardness, the more difficult the ore is to crush, requiring equipment with high wear resistance and strong compressive strength. Hard rock (Mohs hardness ≥ 6): such as granite, iron ore, pebbles, and basalt. Coarse crushing: Jaw crusher (a general-purpose coarse crushing equipment with a compressive strength of ≤320 MPa, capable of handling large ore (500-1000 mm) with stable efficiency). Secondary/Fine Crushing: Cone Crusher (Specialized for hard rock, uses the “laminated crushing” principle (inter-rock compression and crushing) to reduce wear on the equipment liner. Suitable for crushing 100-200mm materials to 20-50mm (secondary crushing) or 5-20mm (fine crushing, using a short-head cone crusher). Features: High compressive strength (150-300MPa) and strong toughness, but causes significant wear during crushing. Not Recommended: Impact Crusher (wear parts (hammers) have a...
What are the uses of sand made from construction waste? Is the aggregate produced from construction waste sand the same as that produced from ordinary rock? What are their uses? Read this article to find out. Common processing specifications and uses of construction waste crushing and sand making are as follows: 1. Fine Aggregate Particle Size: Stone powder below 0.25mm, fine powder, and sand below 0.25-0.5mm. Uses: Fine powder requires further grinding and thermal processing to produce fine sand, activated powder, etc. Sand is primarily used in mortar production. Average selling price varies by region. 2. Medium Aggregate Particle Size: 5-20mm 51-gravel, 12-gravel, etc. Uses: Can be used directly for road base, or as raw material for recycled bricks and permeable bricks. Particle shape is not a high requirement. Average selling price varies by region. 3. Coarse Aggregate Particle Size: 16-40mm 13-gravel, 24-gravel, etc. Uses: Primarily used in the preparation of recycled concrete, which requires a uniform, multi-faceted particle shape. It can also be used in combination with medium aggregate as a road base. Average selling price varies by region.
Copper ore processing primarily involves three steps: crushing, grinding, and beneficiation. Three-stage closed-circuit crushing is a modern method suitable for crushing high-hardness copper ores. It can achieve both ore crushing and partial dissociation, thereby improving subsequent grinding efficiency. Two-stage, one-closed-circuit grinding allows for more complete grinding of the copper ore. Among beneficiation processes, the most successful new technology that has emerged in recent years is hybrid flotation. Stage 1: Crushing and Screening – Three-Stage Closed-Circuit Crushing Large copper ore is evenly fed from a hopper via a vibrating feeder into a jaw crusher or mobile crushing station (primary crushing) for primary crushing. The coarsely crushed copper ore is screened on a vibrating screen and then conveyed by a belt conveyor to a single-cylinder hydraulic cone crusher (secondary crushing) for secondary crushing. The secondary crushed copper ore is then fed into a multi-cylinder hydraulic cone crusher for fine crushing. Stage 2: Grinding – Two-Stage, One-Closed-Circuit Grinding Copper powder (0-12 mm) sized after vibrating screen screening is evenly fed into a grinding mill for grinding. It is then screened by a spiral classifier, and those that do not meet the requirements are fed into a grinding mill for further grinding. Stage 3:...
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