Why Recommend Hydraulic Roll Crusher？
2025-07-30Why Recommend Hydraulic Roll Crusher？ Hydraulic roll crusher is a kind of high efficient and precise crushing equipment, its core working principle is based on the synergistic effect of double roll extrusion crushing mechanism and hydraulic intelligent control system. Compared with the traditional spring roller crusher, it has the following advantages: 1. The core crushing principle of Hydraulic Roll Crusher: double roll extrusion. Material Crushing Process Feed and roll: the material falls into the two parallel rolls through the feed opening. And is rolled into the roll gap under the friction and gravity of the roll surface.Extrusion and crushing: the two rollers rotate in opposite directions (the speed is usually 10-20 rpm). The material is subjected to multiple forces such as extrusion, shearing, rubbing, etc., and the material is crushed into the target size when the external force exceeds the material lattice polymerisation force.>Discharge control: The crushed material is discharged through the roll gap (the size range is usually 0-15mm) and discharged downwards to the conveying equipment. Source of crushing force The roll surface of Huashengming Hydraulic Roll Crusher is covered with high wear-resistant material (high manganese steel or chromium-molybdenum alloy, hardness ≥ HRC60).>The roll gap is adjustable in a…
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Roller Crusher: Crusher With Low Crushing Cost
2025-07-26The maintenance cost of hydraulic roller crusher is significantly lower than traditional crushing equipment (such as spring rollers or hammer crusher). And its advantages are mainly reflected in the structural design. Wear resistance, degree of automation and energy consumption control. The following is an analysis from the perspective of core maintenance cost components and long-term benefits: 1. Equipment structure and durability: reduce the frequency of spare parts replacement No wearing parts design Long roller skin life: made of high manganese steel or chromium-molybdenum alloy (hardness ≥ HRC60), the roller skin is thickened to 20cm, and its service life can reach 3-5 years under normal working conditions, while the traditional spring-loaded rollers need to be replaced once every 1-2 years. Lifelong free replacement of parts: the hydraulic system has fewer transmission parts, and the key bearings and seals are made of wear-resistant materials, which reduces the overall failure rate by more than 40%. Hydraulic system stability The overload protection function can automatically avoid metal foreign objects, avoiding sudden damage to the equipment and reducing the frequency of maintenance. Hydraulic cylinder closed design, with regular oil maintenance, system life is extended by 30%. 2. Maintenance frequency and operating costs Simplified daily maintenance…
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Hydraulic Double-Roll Crushers Advantages
2025-07-25The working principle of the hydraulic double roll crusher is based on the double-roll compression crushing mechanism, combined with the intelligent control of the hydraulic system, to achieve efficient and precise material crushing. 1. Core crushing principle of the hydraulic double-roll crusher: double-roll compression and multi-force synergy Material crushing process Feeding and feeding: Material enters the crushing chamber through a feeding device (vibrating feeder or belt conveyor) and falls onto the two parallel cylindrical rolls. Squeezing and Crushing: The rollers rotate in opposite directions. Under the combined effects of friction force on the roller surface and the material’s own gravity. The material is drawn into the roller gap, subjected to multiple forces such as squeezing, shearing, and kneading. When the external force exceeds the material’s crystal lattice cohesive force. The material is crushed to the target particle size. Discharge Control: The crushed material is discharged through the roller gap, falls downward into the discharge device, and proceeds to the next processing stage. Source of Crushing Force The roller surfaces are typically covered with high-manganese steel or chromium-molybdenum alloy roller liners. Which offer excellent wear resistance and require no replacement throughout their service life (traditional equipment requires annual replacement). The roller…
How To Choose The Model Of Roll Crusher With A Capacity Of 100 Tonnes Per Hour
2025-07-23According to the demand of 100 tonnes per hour sand production, combined with the material characteristics, cost budget and equipment performance, the following is the roll crusher model recommendation and selection guide for different scenarios: 1. Recommended models according to material characteristics Medium-hard materials (limestone, gangue, etc.) Recommended model: 2PG1200×1200 roll crusher Production capacity: 60-100 tonnes/hour (can meet the demand of 100 tonnes) Feed size: ≤50mm, discharge size: 3-35mm (adjustable) Motor power: 2×90kW, low energy consumption (about 0.9 degree/tonne) Advantage: compact structure, low maintenance cost, suitable for medium-sized sand plants with limited budget. Hard materials (granite, basalt, river pebbles) Recommended model: 2PGY1200×1000 roll crusher (hydraulic type) Production capacity: 90-100 tonnes/hour Feeding size: ≤55mm, discharging size: 1-5mm (hydraulically adjusted) Motor power: 2×75kW Advantage: Hydraulic system automatically adjusts the pressure to adapt to the change of material hardness; The roll surface adopts high-strength wear-resistant alloy, which extends the service life by 30%; Less dust and noise ≤80dB, which meets the requirement of environmental protection. High humidity/sticky materials (construction waste, steel slag) Recommended model: 2PGY1000×1000 type roll crusher Production capacity: 80-100 tonnes/hour Feeding size: ≤180mm (large pieces of material are crushed directly) Advantages: No screen bottom design: completely solve the problem of wet…
Roller Crusher Sand Yield In-Depth Analysis
2025-05-22The yield of roller crusher in sand production is generally in the range of 85%-98%, which is significantly higher than that of vertical shaft impact crusher (60%-85%). The core mechanism of its high yield lies in: 1. Squeezing crushing principle: the laminar crushing force generated by the double rollers rotating in opposite directions makes the material uniformly subjected to force in the closed chamber. And the over-crushing rate is lower than that of the impact crusher by more than 50%. 2. Intelligent gap adjustment: Hydraulic/spring system can achieve 0.1mm precision control of roll pitch. Which ensures that the qualified rate of material size is increased to 98%. 3. Material adaptability: for medium-hard materials (compressive strength ≤ 160MPa) such as river pebbles. Limestone, etc., the yield can be stable at more than 90%; construction waste recycling field measured up to 95%. Three major factors affecting the yield rate Characteristics of raw materials Hardness threshold: when the material Moh’s hardness>7 (such as granite), the yield will drop 8-12%. High chrome manganese steel rollers (3 times longer service life) Moisture content control: raw material humidity>5%, sticky roller phenomenon leads to a sudden drop of 15% yield. Use a pre-drying or water-mist dusting system….
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Dry coarse salt crusher: Can dry coarse salt be crushed by roll crusher?
2025-05-20It is possible to use roll crusher for dry coarse salt, and roll crusher has advantages in particle size uniformity, production energy consumption and maintenance cost in crushing dry coarse salt. The following is a detailed description of the advantages of roll crusher for crushing coarse salt. Roll crusher is suitable for brittle materials with compressive strength ≤160MPa, and the hardness of coarse salt is low (Mohs hardness is about 2-3), which is much lower than the upper limit of the equipment load. Its extrusion-shear crushing principle can effectively handle such low and medium hardness materials. And the discharge size is uniform (1-20mm adjustable). The roll crusher controls the discharge size by adjusting the roll spacing. Which is suitable for crushing coarse salt to medium or fine crushing level (e.g. 1-3mm). The dry coarse salt has low moisture content (<6%), which will not cause the roll surface to stick or clog due to stickiness. And it meets the requirements of the roller machine for materials with low moisture content. Dry coarse salt crusher Advantages and Notes Advantages Low over-crushing rate: Roller squeeze crushing reduces the generation of fines. Making it suitable for scenarios where particle integrity needs to be preserved…
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2PGT400x610 Double Roller Crusher High Performance Multifunctional Mining Stone Rock Plant for Sale
2025-05-152PGT400x610 Double roller crusher as a small roll crusher, for customers who are just starting out to choose, the equipment investment cost is low. 2PGT400x610 model roll crusher, with a roll face width of 400 mm, is able to handle materials with a feed size of up to 35 mm. The model is equipped with a 2 x 7.5 kW motor and has a processing capacity of 5-10 tonnes per hour, making it ideal for small and medium sized sand plants. The application of roll crusher in the field of sand making can significantly increase the output by 30%-40%, and at the same time reduce the energy consumption by 20%-30%. Its internal well-designed dustproof device ensures good sealing and effectively prevents the splashing of fine materials during the crushing process, thus reducing the generation of dust. 2PGT400x610 roll crusher without screen bottom grate design is very suitable for processing stone materials containing small amount of moisture, whether it is crushing operation or sand making operation, the discharging material is smooth and not easy to block the discharge opening. The discharge adjustment of small sand plant roll crusher is also quite convenient, which can meet different production requirements. The roll crusher…
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Gravel Sand Stone Crushers Smooth & Teeth Type Double Rolleres for Stone Crusher for Limestone Coal
2025-05-14The crushing of limestone and coal choose stick crusher choose flat roll or toothed roll? The following is the summary of Huashengming Heavy Industry according to the characteristics of the roll surface of the stone crusher and the characteristics of the material. Smooth double roll crusher applicable scenes Material Characteristics Adaptation Smooth face rolls are suitable for handling hard, abrasive materials (such as corundum, silicon carbide, but the search shows that they are also suitable for medium and fine crushing of medium-hard limestone, and the finished size can be adjusted to 2-8mm. Technical Advantages The roll surface adopts carburising and quenching process, the hardness of wear-resistant layer reaches HRC52-58, the service life is more than 6000 hours, the crushing ratio is 4-12, the over-crushing rate is low, and the finished product has even grain size.Handling capacity is 50-1250t/h (depending on the model), which is suitable for the large quarry. Core Advantages of Toothed Double Roll Crusher Upgraded crushing mechanism The combination of extrusion and splitting action of the toothed roll surface increases the crushing efficiency of low to medium hardness brittle materials (e.g. coal, marl) by 30%, and the maximum capacity of a single machine reaches 300t/h. Typical application data…
Roller Crusher For Crushing Concrete Sand
2025-05-13Roller crusher shows significant advantages in the application of crushing concrete sand, which is reflected in the following aspects: Precise particle size control, high quality of finished products 1. Discharge uniformity: Through the crushing method of double-roll extrusion and grinding, the discharge particle size (usually 1-5mm) can be precisely controlled to meet the high requirements of concrete sand on particle shape and gradation. 2. Reduction of over-crushing: Roller Crusher Compared with hammer crusher, its crushing process is gentler, effectively reducing the proportion of powdery materials (the rate of pulverised minerals is as low as less than 10%), avoiding the high content of impurities in sand and gravel, and improving the strength of concrete. 3. Optimisation of grain shape: The output sand grains are cubic, with smooth surface and reasonable grading. Which can enhance the fluidity and compactness of concrete. High energy efficiency and low operating cost 1. High crushing efficiency: The synchronous rotating design of double rollers can achieve continuous crushing and large processing capacity (4-400 tonnes per hour), which is suitable for large-scale sand and gravel production line. 2. Low energy consumption: The extrusion crushing method saves 30%-50% energy compared with impact equipment, and the hydraulic system supports intelligent adjustment…
Advantages of Basalt Roller Crusher for Basalt Crushing
2025-04-11Basalt roller crusher, also called roller sand making machine, is a kind of basalt sand making equipment with simple structure, easy operation and low maintenance cost. It can effectively reduce the cost of basalt crushing. Advantages of Basalt Roller Crusher for Basalt Crushing 1. No wearing parts design: the roller crusher adopts roller skins made of high manganese chrome alloy, which are wear-resistant, high temperature resistant and corrosion resistant. The choice of this material makes the roll crusher almost no need to replace wearing parts during the use of the roll crusher, which greatly reduces the operating costs of enterprises. According to statistics, the use of roll crusher can save tens of thousands of yuan a year. 2. Energy saving and environmental protection: the noise of the roller crusher is lower than 70 dB during operation, which is in line with the environmental protection requirements. In addition, the equipment has low energy consumption, which helps to save energy consumption and realise green production. 3. High crushing efficiency: Roll crusher has high crushing efficiency by squeezing and crushing the materials with two relatively rotating rollers. For hard rocks such as basalt, the roll crusher also performs well and can complete the…
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Dolomite Crushing And Sand-Making Applications
2025-04-07The double-roll crusher is a highly efficient crushing equipment suitable for dolomite crushing and sand-making applications. Widely applied in mining, construction, and chemical industries, this machine excels in processing dolomite. The dolomite double-roll crusher adopts a dual-roll design, utilizing two counter-rotating rollers to compress and break materials. It features simple structure, easy operation, and high crushing efficiency. In dolomite sand production, it demonstrates outstanding performance, particularly in efficiency, product quality, and durability. Dolomite primarily forms in marine sedimentary rocks or magnesium-rich metamorphic rocks, often coexisting with limestone and siderite layers or filling hydrothermal veins. With a Mohs hardness of 3.5–4 and density of 2.8–2.9 g/cm³, dolomite achieves excellent sand-making results via double-roll crushers. Key advantages include superior handling of high-hardness materials, premium product quality, equipment stability, and environmental performance. Below is a detailed analysis: 1. High-Efficiency Crushing & Production Enhancement The counter-rotating rollers generate intense compressive forces for direct material crushing. High roller speed and pressure ensure efficient processing of hard minerals like dolomite. For example, Huaming Heavy Industry’s optimized double-roll crusher features a deep-chamber, non-dead-zone feed design, tripling output compared to conventional equipment. Reduced material clogging ensures continuous production. 2. Premium Product Quality Crushed dolomite sand exhibits uniform particle…
Effect Of Twin Roller Sand Making Machine In Limestone Sand Making
2025-04-06For the limestone sand making machine, the limestone sand particles treated by the roller sand making machine are uniform in size, regular in shape and full in granularity. The twin roll sand making machine performs well in the treatment of quartz stone and limestone, and the production capacity varies from 5 to 100 tons per hour depending on the model. The grain size of the discharged material is uniform, the finished product quality is high, and the sand standard for construction is met. At the same time, the equipment has good adaptability and can be flexibly adjusted according to different raw material characteristics and production process requirements. The effect of roller sand making machine in limestone sand making has significant advantages compared with other sand making equipment (such as impact crusher, cone crusher, etc.), mainly reflected in the following aspects: 1. Crushing effect and finished product quality of limestone double-roller sand making machine Uniform and controllable particle size: double roller sand machine through double roller extrusion and shear crushing limestone, uniform particle size (1-5 mm), regular particle size, grading reasonable, in line with the construction sand standards. Traditional equipment (such as impact crusher) relies on impact fragmentation, which may lead…
