In the mining, aggregates, and construction material industries, efficient screening equipment is crucial for optimizing production processes and ensuring product quality. Liming Heavy Industry SL Linear Screen stands out as a reliable and versatile screening machine, widely acclaimed for its exceptional performance in dewatering, tailings recovery, and various other applications. This article delves into the key features, application scenarios, and technical specifications of the SL Linear Screen to help you make an informed decision for your production needs.

Key Applications of SL Linear Screen

The SL Linear Screen is designed to adapt to multiple working conditions, with its core strengths shining in the following scenarios:

• Dewatering: Ideal for dewatering processes in sand washing, mineral processing, and construction waste treatment. It effectively reduces the moisture content of materials, facilitating subsequent storage and transportation.

• Tailings Recovery: Plays a vital role in tailings management, efficiently recovering valuable fine materials from tailings, improving resource utilization rates, and reducing environmental pressure.

• Ore Washing & Medium Removal: Suitable for removing mud, impurities, and magnetic separation media from ores, ensuring the purity of raw materials for subsequent processing.

• Fine Material Classification: Enables precise classification of fine-grained materials, meeting the quality requirements of different production links.

Optimal Configuration: Installation Angle & Screen Mesh Selection

1. Installation Angle Adjustment

The installation angle of the SL Linear Screen can be adjusted according to specific working conditions to maximize screening efficiency:

• Default Angle: Recommended for standard dewatering and tailings recovery scenarios, ensuring stable operation without additional adjustments.

• Special Working Conditions: For ore washing, medium removal, and fine material classification, an installation angle of 0-10° is advisable. The exact angle can be determined based on material properties, processing capacity, and screening requirements.

2. Screen Mesh Options

Choosing the right screen mesh is essential for achieving accurate screening results and prolonging equipment service life. Liming Heavy Industry offers three high-quality screen mesh types:

• Polyurethane Modular Screen Plate: Features excellent wear resistance and elasticity, suitable for screening high-abrasion materials with a long service life.

• Stainless Steel Slotted Screen Plate with Polyurethane Frame: Combines the corrosion resistance of stainless steel and the wear resistance of polyurethane, ensuring high screening precision, ideal for corrosive materials or hygiene-sensitive applications.

• Rubber Modular Screen Plate: Provides good buffering performance, reducing the impact of materials on the screen mesh, suitable for brittle materials or pre-screening of large-sized materials.

In terms of screen mesh aperture:

• For ore washing, mud removal, and medium removal, the aperture is usually 1-3mm.

• For sand recovery and tailings recovery (dewatering), the default aperture is 0.3mm, which is proven to be the optimal choice through extensive practical experience. Custom apertures are available upon request.

Ordering Information: What You Need to Provide

To ensure the SL Linear Screen meets your exact production requirements, please specify the following information when placing an order:

1. Equipment model and quantity

2. Screen mesh aperture size and type

3. Equipment installation angle

4. For models with "H" suffix: Motor can be installed on the left or right side. Please indicate your preference; otherwise, it will be supplied with left-side installation by default. Automatic lubrication devices are also available as an option.

Why Choose Liming Heavy Industry SL Linear screen?

Liming Heavy Industry has decades of experience in manufacturing mining and screening equipment. The SL Linear Screen is engineered with advanced technology, featuring stable operation, high screening efficiency, low energy consumption, and easy maintenance. Our professional technical team provides one-on-one consultation and after-sales support to ensure your equipment runs smoothly.

Contact Liming Heavy Industry today to learn more about the SL Linear Screen and get a customized solution for your project!

Limestone is one of the most widely used raw materials in construction, cement, and industrial applications. To process limestone efficiently and produce high-quality aggregates or powder, choosing the right limestone crusher is essential. Our advanced crushing equipment is designed for high productivity, low energy consumption, and excellent product quality, helping you achieve maximum efficiency and profitability.

Why Choose Our Limestone Crusher?

1. Excellent Crushing Efficiency

Our limestone crushers are equipped with advanced crushing chambers and optimized rotor design, ensuring strong crushing capacity and consistent output. They can easily handle soft to medium-hard materials like limestone, gypsum, and marl.

2. Uniform and High-Quality Output

The equipment produces well-shaped aggregates with stable gradation. Whether used for road base, concrete production, or cement manufacturing, the final products meet international quality standards.

3. Energy-Efficient and Low Operating Costs

Designed with energy-saving technology, our crushers consume less power while maintaining high throughput. Fewer maintenance requirements and long wear life mean reduced operational costs over time.

4. Rugged Design and Easy Maintenance

Made from high-strength materials, the machine offers outstanding durability and reliability under continuous operation. Simple structure and easy access to key components make maintenance fast and convenient.

5. Flexible Configurations for Different Needs

We provide a complete range of limestone crushers, including:

• Jaw Crusher — Ideal for primary crushing of large limestone blocks.

• Impact Crusher — Perfect for producing fine aggregates and cubic-shaped materials.

• Cone Crusher — Ensures high efficiency in secondary and fine crushing stages.

• Hammer Crusher — Suitable for small and medium-scale limestone production.

Combined with vibrating feeders, screens, and conveyors, we deliver customized limestone crushing systems to meet specific capacity and particle size requirements.

Applications

• Cement production line

• Road and railway construction

• Building materials and aggregate production

• Power plant desulfurization

• Chemical and industrial processes

Why Work with Us

As a professional manufacturer specializing in crushing, grinding, and mineral processing equipment, we provide not only machines but complete technical solutions — from plant design and equipment supply to installation, training, and after-sales service. Our limestone crushers are operating successfully in multiple countries, known for their reliability, efficiency, and long service life.

Boost Your Production with Our Limestone Crusher

If you’re looking to improve efficiency, reduce costs, and produce high-quality limestone products, our crushers are your best choice. Contact us today for customized solutions and start optimizing your limestone production line with confidence.

Granite is one of the most common and durable natural stones used in construction. Due to its hardness, high compressive strength, and resistance to wear, granite is widely crushed into aggregates for use in highways, railways, concrete production, and other infrastructure projects. However, the challenge lies in how to optimize the crushing process to produce high-quality aggregates efficiently and cost-effectively.

1. Importance of Granite Aggregates

Granite aggregates are valued for their:

• Hardness and Strength: Ideal for high-load applications such as road base and concrete.

• Excellent Shape: Cubical aggregates improve the strength and durability of asphalt and concrete.

• Long-Term Performance: Granite resists weathering, ensuring the stability of structures.

2. Challenges in Crushing Granite

Granite is a hard, abrasive material, and improper crushing methods may result in:

• High wear on equipment components.

• Excessive production of fines (dust).

• Irregular particle shapes, affecting aggregate quality.

To overcome these challenges, optimized crushing equipment and process design are essential.

3. Optimized Equipment for Granite Crushing

A complete granite crushing line often includes several stages:

• Jaw Crusher (Primary Crushing)
  Breaks large granite blocks into smaller sizes, preparing material for secondary crushing.

• Cone Crusher (Secondary & Fine Crushing)
  Offers excellent performance in handling hard granite, producing uniform, cubical aggregates with reduced flakiness.

• Impact Crusher (Optional)
  Can be used for shaping, improving the final aggregate particle size distribution.

• VSI Crusher (Sand Making)
  Effective for producing fine aggregates and manufactured sand from granite.

4. Process Optimization Strategies

To maximize efficiency and output quality, the following optimization strategies can be applied:

1. Multi-Stage Crushing
   Combining primary, secondary, and tertiary crushing reduces oversized material and ensures consistency.

2. Closed-Circuit System
   Using vibrating screens with crushers allows oversize materials to return for re-crushing, improving product uniformity.

3. Automation and Control
   Intelligent control systems monitor feed rate, power consumption, and crusher settings to maintain stable operation.

4. Wear-Resistant Materials
   Investing in high-quality liners and crusher components extends machine life and reduces downtime.

5. Particle Shape Optimization
   Adjusting crusher settings and adding shaping equipment ensures cubical aggregates, which are preferred for concrete and asphalt.

5. Benefits of Optimized Granite Crushing

• High-Quality Aggregates: Consistent particle size, better shape, and stronger performance in construction applications.

• Reduced Operational Costs: Lower wear rates and energy-efficient equipment cut production expenses.

• Higher Output: Optimized processes allow maximum capacity utilization.

• Sustainability: Less waste and dust production contribute to environmentally friendly operations.

Granite crushing for aggregate production requires more than just powerful equipment—it demands process optimization. By selecting the right combination of crushers, implementing closed-circuit systems, and applying automation, companies can achieve high efficiency, low costs, and superior aggregate quality. With growing demand for durable construction materials, investing in optimized granite crushing solutions is the key to staying competitive in the global aggregates market.

Granite is one of the most common and durable natural stones used in construction. Due to its hardness, high compressive strength, and resistance to wear, granite is widely crushed into aggregates for use in highways, railways, concrete production, and other infrastructure projects. However, the challenge lies in how to optimize the crushing process to produce high-quality aggregates efficiently and cost-effectively.

1. Importance of Granite Aggregates

Granite aggregates are valued for their:

• Hardness and Strength: Ideal for high-load applications such as road base and concrete.

• Excellent Shape: Cubical aggregates improve the strength and durability of asphalt and concrete.

• Long-Term Performance: Granite resists weathering, ensuring the stability of structures.

2. Challenges in Crushing Granite

Granite is a hard, abrasive material, and improper crushing methods may result in:

• High wear on equipment components.

• Excessive production of fines (dust).

• Irregular particle shapes, affecting aggregate quality.

To overcome these challenges, optimized crushing equipment and process design are essential.

3. Optimized Equipment for Granite Crushing

A complete granite crushing line often includes several stages:

• Jaw Crusher (Primary Crushing)
  Breaks large granite blocks into smaller sizes, preparing material for secondary crushing.

• Cone Crusher (Secondary & Fine Crushing)
  Offers excellent performance in handling hard granite, producing uniform, cubical aggregates with reduced flakiness.

• Impact Crusher (Optional)
  Can be used for shaping, improving the final aggregate particle size distribution.

• VSI Crusher (Sand Making)
  Effective for producing fine aggregates and manufactured sand from granite.

4. Process Optimization Strategies

To maximize efficiency and output quality, the following optimization strategies can be applied:

1. Multi-Stage Crushing
   Combining primary, secondary, and tertiary crushing reduces oversized material and ensures consistency.

2. Closed-Circuit System
   Using vibrating screens with crushers allows oversize materials to return for re-crushing, improving product uniformity.

3. Automation and Control
   Intelligent control systems monitor feed rate, power consumption, and crusher settings to maintain stable operation.

4. Wear-Resistant Materials
   Investing in high-quality liners and crusher components extends machine life and reduces downtime.

5. Particle Shape Optimization
   Adjusting crusher settings and adding shaping equipment ensures cubical aggregates, which are preferred for concrete and asphalt.

5. Benefits of Optimized Granite Crushing

• High-Quality Aggregates: Consistent particle size, better shape, and stronger performance in construction applications.

• Reduced Operational Costs: Lower wear rates and energy-efficient equipment cut production expenses.

• Higher Output: Optimized processes allow maximum capacity utilization.

• Sustainability: Less waste and dust production contribute to environmentally friendly operations.

Granite crushing for aggregate production requires more than just powerful equipment—it demands process optimization. By selecting the right combination of crushers, implementing closed-circuit systems, and applying automation, companies can achieve high efficiency, low costs, and superior aggregate quality. With growing demand for durable construction materials, investing in optimized granite crushing solutions is the key to staying competitive in the global aggregates market.

Gold ore processing is one of the most important stages in the mining industry. From extraction to final smelting, every step in the gold production line is designed to maximize recovery, improve efficiency, and ensure high-quality output. Modern technology allows mining companies to optimize operations and achieve both economic and environmental benefits.

1. Introduction to Gold Ore Processing

Gold has always been a symbol of wealth and stability. Extracting gold from ore requires advanced equipment, precise processing techniques, and reliable workflow management. The gold ore processing production process includes crushing, grinding, separation, flotation, leaching, and smelting. Each stage is critical for achieving high recovery rates and reducing production costs.

The choice of process depends on the ore type. For example:

• Oxide gold ore is often suitable for gravity separation and heap leaching.

• Sulphide gold ore typically requires flotation before further treatment.

• Refractory gold ore may need roasting, pressure oxidation, or bioleaching to release gold particles.

2. Primary Crushing and Screening

The first step in gold ore processing is crushing. The raw material, often with a size of hundreds of millimeters, is transported from the mine to the primary crusher.

• Jaw Crusher is usually applied for primary crushing. It reduces large rocks into manageable sizes.

• Impact Crushers or Cone Crushers are used for secondary crushing, producing finer particles.

• Vibrating Screens ensure the crushed material is classified into uniform sizes for the next stage.

This stage is crucial because efficient crushing reduces energy consumption in grinding mills and improves downstream performance.

3. Grinding and Milling

Once the ore is crushed, it is fed into ball mills, rod mills, or vertical roller mills for grinding. The purpose of grinding is to liberate gold particles from surrounding minerals.

• Ball Mills: Commonly used for fine grinding.

• Rod Mills: Better suited for coarse grinding.

• Autogenous Mills (AG) or Semi-Autogenous Mills (SAG): Used in large-scale operations for energy-efficient grinding.

The ground ore, often in slurry form, is then pumped to classification equipment such as hydrocyclones or spiral classifiers to separate fine particles from coarse ones.

4. Gravity Separation

Gravity separation is one of the oldest and most effective methods for gold recovery. It is especially efficient for free-milling ores where gold is present in coarse particles.

• Shaking Tables: Effective for separating fine gold.

• Spiral Chutes: Used for continuous separation.

• Centrifugal Concentrators: High recovery rates for small particles.

Gravity separation is cost-effective, environmentally friendly, and often used before more complex processes like flotation.

5. Flotation Process

For ores with fine or microscopic gold particles, flotation is essential. In this process, reagents are added to create hydrophobic surfaces on gold particles, allowing them to attach to air bubbles and float to the surface.

• Flotation Cells (mechanical or pneumatic types) are used to collect gold-rich froth.

• Reagents: Collectors, frothers, and modifiers help improve recovery.

Flotation is widely applied to sulphide ores and complex gold ores where gravity methods are less effective.

6. Cyanidation and Leaching

Cyanidation is the most common method for extracting gold from finely ground ores. In this chemical process, sodium cyanide solution dissolves gold, forming a gold-cyanide complex that can be recovered later.

• Heap Leaching: Low-cost method for low-grade ores. Crushed ore is piled into heaps, sprayed with cyanide solution, and gold is collected from the leachate.

• CIL (Carbon in Leach): Activated carbon absorbs dissolved gold directly in the leaching tanks.

• CIP (Carbon in Pulp): Similar to CIL but gold is absorbed after leaching.

Cyanidation has high recovery rates (up to 95% for some ores), but strict environmental control is required due to cyanide’s toxicity.

7. Magnetic Separation and Other Techniques

Depending on ore composition, magnetic separation can remove unwanted iron minerals. In some cases, roasting or pressure oxidation is necessary to break down sulphide minerals and expose gold.

Advanced technologies like bio-oxidation and ultra-fine grinding are being adopted to handle refractory ores that resist traditional methods.

8. Concentrate Drying and Smelting

The final stage is smelting, where the gold concentrate is heated in furnaces at high temperatures. Fluxes such as silica and borax are added to separate impurities from molten gold.

• Induction Furnaces or Blast Furnaces are used in industrial plants.

• The result is doré bars, which are then refined further into pure gold.

Smelting transforms raw ore into a market-ready product, completing the production process.

9. Equipment Used in Gold Ore Processing

A complete gold ore processing plant typically includes:

• Crushers: jaw crusher, cone crusher, impact crusher.

• Grinding Mills: ball mill, rod mill, SAG mill.

• Classifiers: hydrocyclones, spiral classifiers.

• Separation Equipment: shaking table, spiral chute, jig machine, flotation cell.

• Leaching Equipment: leach tanks, carbon columns.

• Smelting Equipment: furnaces, refining systems.

10. Advantages of Modern Gold Ore Processing

• Higher Recovery Rates: Advanced technology ensures maximum gold extraction.

• Energy Efficiency: Modern mills and concentrators reduce energy consumption.

• Environmental Protection: Closed circuits and eco-friendly reagents minimize pollution.

• Scalability: Processing plants can be designed for small-scale or large-scale production.

11. Applications and Market Outlook

Gold ore processing is not only about extraction but also about meeting the global demand for gold in industries such as:

• Jewelry manufacturing

• Electronics and semiconductors

• Investment (bullion and coins)

• Medical and aerospace industries

With rising gold prices and growing demand, efficient gold ore processing plants are essential for mining companies worldwide.

Why Choose Our Gold Ore Processing Solutions?

✔ One-Stop Supplier – We design, manufacture, and deliver the complete production line.
✔ Turnkey Projects – From plant design, equipment supply, to on-site installation and training.
✔ High Recovery Rate – Advanced beneficiation technology ensures maximum gold yield.
✔ Customizable Solutions – Tailored to ore type, capacity requirements, and local conditions.
✔ After-Sales Support – Technical guidance, spare parts supply, and long-term cooperation.

Whether you need a small-scale gold mining solution or a large-scale processing plant, we provide custom turnkey designs.

Gold is one of the most valuable minerals in the world, and its extraction requires advanced technology and efficient processing equipment. The gold ore extraction process typically involves several key stages, including crushing, grinding, magnetic separation, and flotation. Choosing the right equipment is essential for improving recovery rates, reducing operating costs, and ensuring stable production.

1. Crushing Gold Ore

The first step in gold ore processing is crushing. Since gold-bearing rocks are often mixed with other minerals and large stone blocks, crushers are used to reduce them to smaller, manageable sizes.

• Jaw Crushers: Ideal for primary crushing of hard gold-bearing rocks.

• Cone Crushers: Used for secondary crushing, delivering fine and uniform particle sizes.

• Impact Crushers: Suitable for producing cubic-shaped particles and improving downstream efficiency.

Crushing ensures that the ore is prepared for further grinding and beneficiation.

2. Grinding for Finer Particles

After crushing, the gold ore enters the grinding stage. Grinding reduces the ore into fine powder, making it easier to separate gold from gangue minerals.

• Ball Mills: Widely used for grinding gold ore into fine particles.

• Raymond Mills and Vertical Mills: Offer energy-efficient solutions with consistent output.

Proper grinding is critical for maximizing the surface area, which enhances the effectiveness of separation methods such as flotation.

3. Magnetic Separation

Although gold itself is not magnetic, magnetic separation equipment is often used in gold ore plants to remove iron-bearing minerals and other magnetic impurities. This step helps improve the grade of gold ore before flotation or cyanidation.

• Wet Magnetic Separators: Effective for removing magnetite and hematite impurities.

• High-Intensity Magnetic Separators: Suitable for fine materials with weakly magnetic minerals.

4. Flotation for Gold Recovery

Flotation is one of the most widely used methods for gold ore beneficiation, especially when gold is associated with sulfide minerals such as pyrite or chalcopyrite.

• Flotation Cells: Introduce air bubbles that selectively attach to gold-bearing particles, separating them from waste rock.

• Benefits: High recovery rates, ability to process low-grade ores, and cost-effective operation.

By combining flotation with crushing and grinding, mining companies can extract gold more efficiently and at a higher purity.

5. Advantages of an Integrated Solution

Investing in a complete gold ore processing line that includes crushing, grinding, magnetic separation, and flotation equipment provides several advantages:

• Higher Recovery Rate: Ensures more gold is extracted from raw ore.

• Energy Efficiency: Modern equipment reduces power consumption and operating costs.

• Durability: Heavy-duty machines built for long-term use in harsh mining environments.

• Flexibility: Capable of handling different ore types and production capacities.

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Dear Esteemed Partners and Industry Colleagues,

We are excited to inform you that our company, a prominent producer of crushing and screening equipment, will be taking part in the MINING AND METALS CENTRAL ASIA 2025 exhibition. This event presents an excellent occasion for us to engage with professionals in the mining and metals industry, display our high-quality equipment, and explore potential cooperation opportunities in Kazakhstan and the surrounding Central Asian regions.

Our range of crushing and screening equipment is engineered to excel in the challenging environments of mining and metal processing operations. From robust crushers capable of handling hard ores to precise screening machines that ensure optimal material grading, our products are designed to boost your operational efficiency and reduce costs. At the exhibition, you will have the opportunity to witness our equipment up close, interact with our skilled team, and learn how our solutions can be customized to meet your specific operational needs.

Key details of our participation are as follows:

• Exhibition Name: MINING AND METALS CENTRAL ASIA 2025

• Exhibition Time: 17-19 September, 2025

• Exhibition Address: Almaty, Kazakhstan

• Our Booth Number: Pavilion 9, Stand 9-17

If you are attending MINING AND METALS CENTRAL ASIA 2025, we warmly invite you to visit our booth at Pavilion 9, Stand 9-17. Our team, including Костя, will be available to address all your queries, provide detailed product demonstrations, and discuss your project requirements in depth. You can contact Костя via phone at 007 707 927 2751 or through WhatsApp at 0086 186 2558 8441 for any pre-exhibition questions or to arrange a meeting during the event.

We are confident that MINING AND METALS CENTRAL ASIA 2025 will be a great platform to build stronger relationships with existing partners and establish new connections. This is your chance to discover how our crushing and screening equipment can contribute to the success of your mining and metals operations. We look forward to greeting you at our booth and sharing valuable insights into the latest industry developments and technological advancements.

We'll see you in Almaty!

Dear Valued Partners and Friends,

We are thrilled to announce that our company, a leading manufacturer of crushing and screening equipment, will be participating in the upcoming Minepro 2025 exhibition. This is a fantastic opportunity for us to connect with industry professionals, showcase our cutting-edge products, and explore potential collaborations in the thriving stone and mining sectors of Mongolia.

Our equipment is specifically designed to meet the rigorous demands of stone processing, mining operations, and related industries. Whether you're looking for efficient crushing solutions to handle various types of stones or advanced screening systems to ensure precise material separation, we have the right tools to enhance your productivity and operational efficiency. At Minepro 2025, you'll get an up-close look at our latest innovations, interact with our technical experts, and discuss how our products can be tailored to your specific needs.

Here are the key details of our participation:

• Exhibition Name: Minepro 2025

• Exhibition Time: September 11-13, 2025

• Venue: Ulaanbaatar, Mongolia

• Our Booth Number: 307

• Exhibition Website: https://www.minepro.mn/

If you plan to attend Minepro 2025, please make sure to visit us at booth 307. Our team, led by Edward Wu, will be on hand to answer all your questions, provide detailed product demonstrations, and engage in meaningful conversations about your project requirements. You can reach Edward Wu directly at 0086-15937123817 for any pre-exhibition inquiries or to schedule a specific meeting time during the event.

We believe that Minepro 2025 will serve as a perfect platform to strengthen existing partnerships and forge new ones. Don't miss this chance to discover how our crushing and screening equipment can drive your business forward. We look forward to welcoming you at our booth and sharing insights into the latest industry trends and technologies.

See you in Ulaanbaatar!