Mining Ore Crushing Equipment Expert

Henan Province, China

Zhengzhou West Industrial Zone,451200

+86 1830843555

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Sand Washing Equipment

MoleDive, a professional manufacturer in China, offers a Sand Washing Plant with three main functions: cleaning, dehydration, and classification.

MoleDive Sand Washing Equipment is extensively utilized in various industries, including sand and gravel yards, mines, transportation, chemical, and concrete mixing stations, for the washing and selection of materials. It effectively removes impurities covering the surface of sand and gravel, disrupting the water vapor layer enveloping sand particles for efficient dehydration and high-performance sand washing.

The Sand Washing Plant integrates cleaning, dehydration, and classification functions, making it highly suitable for construction sand and road-building aggregates. It is particularly valuable for washing, classifying, and dewatering sand and gravel required at construction sites, sand and gravel plants, hydropower stations, concrete dam sites, as well as for washing, grading, and dewatering “70” sand for construction, quartz sand for glass factories, and pressure sand for oil well backfilling.

Raw Materials

mpact construction waste crusher.

Construction waste crusher


FAQs About Guide to MoleDive Sand Washing Equipment

Chapter 1:

What are the different types of mobile crushers?

Mobile Jaw Crushers: These crushers are designed to crush materials directly at the quarry or demolition site and are ideal for primary crushing applications.

Mobile Impact Crushers: Mobile impact crushers are used for secondary crushing and can produce a high-quality end product for recycling or reuse.

Mobile Cone Crushers: Mobile cone crushers are primarily used for secondary and tertiary crushing, suitable for processing a wide range of materials.

Mobile VSI Crushers: These crushers are used for shaping and fine-tuning the end product, especially in the production of high-quality aggregates for the construction industry.

Chapter 2:

What are the working principles of a mobile cone crusher?

  • When a mobile sand making machine is in operation, various crushing, screening, and feeding equipment work together. The materials that meet the particle size requirements enter the crusher for crushing and processing. After crushing, the materials are screened, and the qualified ones can proceed to the sand-making machine for further processing. The qualified finished products are discharged through the discharge device, while the non-compliant materials are returned to the sand-making machine for further processing until the desired particle size is achieved.
  • The materials for the mobile sand making machine enter the crusher through the feed hopper. A classifier divides the materials into two parts. One part enters the high-speed rotating impeller in the middle of the classifier, where it is rapidly accelerated to speeds of 60-70 meters per second. These materials are ejected from three evenly distributed channels in the impeller. Initially, they impact and break apart the materials collected from around the classifier. Subsequently, they collide with the material lining in the impeller chamber, where they rebound. They are directed upwards and then redirected downwards from the top of the impeller chamber. As the materials are ejected from the impeller channels, they form a continuous material curtain. Within the impeller chamber, the materials undergo multiple impacts, friction, and grinding, resulting in their fragmentation. The crushed materials are discharged from the lower discharge port. A closed-loop system is created with a circulation and screening system, and generally, three cycles are sufficient to crush the materials to a particle size of 20 mesh or below. Throughout this crushing process, the materials impact and break each other, avoiding direct contact with metal components. Instead, they collide and fracture against the material lining, reducing pollution and prolonging the mechanical wear time. The clever internal airflow circulation in the impeller chamber eliminates dust pollution.
Chapter 3:

What are the advantages and disadvantages of mobile crushers compared to stationary crushers?

  • Mobile crushers provide the following benefits over fixed crushers:
  • Mobility: Because mobile crushers may be quickly set up at various job locations, they simplify fixed installations due to their high degree of mobility.
  • Transport Ease: Transporting materials is made easier with mobile crushers, which lowers expenses and logistics.
  • Hybrid Power: A lot of mobile crushers use hybrid power systems, which are more efficient and produce less pollution and energy.
  • Modular Configuration: Crushers on wheels may be tailored to meet certain manufacturing needs.
  • Space Efficiency: Because of their lower footprint, they may be used in a variety of settings and terrains.
  • Adjustable Output: By providing a range of product parameters, mobile crushers guarantee a constant and acceptable level of material quality.

Negative aspects:

  • Initial Cost: The initial cost of purchasing a mobile crusher might be greater.
  • Continuous Operation: In order for them to run, there must be a steady supply of fuel or electricity.
  • Maintenance: Because the equipment is movable, maintenance and repairs could be more difficult.
  • Limited Production Capacity: When compared to big stationary crushers, certain mobile crushers may have lesser production capacity.
  • The following are some benefits of fixed crushers over mobile crushers:
  • Greater Capacity: Stationary crushers may be able to process more material and at a greater volume.
  • Continuous Operation: They don’t require periodic refueling or recharging in order to work continually.
  • Diminished Purchase Cost: The initial cost of purchasing stationary crushers may be cheaper.
  • Easier Maintenance: Because the equipment is fixed in one place, maintenance and repairs could be easier to access.

Negative aspects:

  • Lack of movement: Stationary crushers are restricted to one place and have no movement.
  • Complicated Installation: It might take longer and be more difficult to set up stationary crushers.
  • Material Transport: To move materials, they need a larger conveyor system.
  • Limited Versatility: Stationary crushers have a harder time adjusting to shifting work locations and supply of raw materials.
  • Do not hesitate to ask for further information if you need it or if you have any more queries.

1. What is a sand washing plant?

A sand washing plant is a type of facility used to clean sand and eliminate contaminants, guaranteeing that the material is suitable for a range of uses. It is frequently employed in sectors like mining, building, and concrete manufacturing. A sand washing plant’s main function is to clean sand by eliminating impurities including dust, silt, clay, and other undesirable particles that might compromise the sand’s quality and performance in various applications.

Because they guarantee that the finished product satisfies precise cleanliness and gradation standards, sand washing plants are essential to the manufacturing of high-quality sand for use in building, the manufacture of concrete, and other industrial uses.

2. What is the purpose of washing sand?

  • The goal of sand washing is to get rid of pollutants and impurities so that the sand fulfills quality requirements for different uses. Sand is improved by the washing process, which also qualifies it for use in industrial applications such as concrete manufacture and building. The main justifications for cleaning sand are as follows:
  • Elimination of Impurities: Sand that has been taken from natural sources frequently has organic materials, silt, clay, and dust in it. Sand becomes more pure and clean after washing since it helps get rid of these undesirable contaminants.
  • Particle Size Control: To divide the sand into various size fractions, sand washing facilities frequently use screening and classification procedures. This guarantees that the finished product will fulfill certain gradation standards and have a regulated and consistent particle size distribution.
  • Enhancing Quality: Sand undergoes washing to remove contaminants that may have an adverse effect on how well it performs in different applications. To produce high-quality mortar, concrete, and other building materials, clean sand is necessary.
  • Meeting criteria: The quality of sand must meet certain criteria set by various sectors and applications. Sand that has been washed is guaranteed to meet these requirements, making it appropriate for use in projects where quality and cleanliness are essential.
  • Improving Workability: Concrete and mortar are made more workable by using clean sand with regulated particle sizes. It aids in obtaining the intended qualities in the finished product, such as consistency, strength, and durability.
  • Environmental Considerations: By reducing the amount of pollutants and toxins released into the environment, sand washing may also have a positive impact on the environment. In order to minimize water usage and their influence on the environment, sand washing operations frequently incorporate water recycling technologies.

3. What is the process of washing sand?

  • The process of washing sand involves the following steps:
  • Feeding: Sand is fed into the sand washing machine through a feed chute or conveyor belt. This ensures controlled and even distribution of the sand for effective cleaning.
  • Scrubbing: The sand is mixed with water and vigorously scrubbed. This can be achieved through the rotation of an impeller or the use of agitating paddles or brushes. The scrubbing action helps dislodge and break down impurities such as clay, silt, and organic matter from the surface of the sand particles.
  • Classification: After the initial scrubbing, the sand undergoes classification or grading. This is done by passing the sand through a series of screens or sieves with different mesh sizes. The screens separate the sand particles based on their size, allowing finer particles to pass through while retaining larger particles.
  • Washing and rinsing: The classified sand is then subjected to washing and rinsing. This involves the addition of clean water to further remove any remaining impurities and carry them away. The sand is agitated or tumbled in the presence of water to ensure thorough cleaning.
  • Dewatering: Once the washing and rinsing process is complete, the sand is dewatered to remove excess moisture. This can be achieved through mechanisms such as centrifugal force, gravity drainage, or the use of dewatering screens or filters. The dewatered sand is typically conveyed or discharged for further processing or use.
  • Throughout the sand washing process, the combination of mechanical action, water, and sometimes chemical additives helps effectively remove impurities and improve the quality of the washed sand.

4. What are the components of a wash plant?

  • Several parts that work together to wash and separate materials usually make up a wash plant. Depending on the kind and size of the wash plant, the exact components may change, however the following are some typical parts:
  • Feeder: The feeder is in charge of supplying the wash plant with raw materials. To move the materials to the following processing steps, it may have a hopper, conveyor belts, or other feeding devices.
  • Grizzly or Screen: To remove bigger pebbles, trash, and oversize materials from the raw feed, a grizzly or screen is utilized. It aids in material separation and keeps large particles out of the washing and classifying processes.
  • Washing equipment: The foundation of a wash plant is the washing equipment. It usually consists of a vibrating screen, a revolving cylindrical screen, or a trommel that cleans and separates the material using water and mechanical agitation. In order to thoroughly clean and eliminate contaminants, the washing equipment may further include elements like revolving drums, paddles, or blades.
  • Classification scheme: The material is usually categorized into several sizes or classes following washing. A hydrocyclone, trommel screen, or vibrating screen can be used for this. The categorization scheme aids in ensuring that the cleaned material is properly graded and sized.
  • Water supply and recycling system: In order to perform the washing process, a wash plant needs a water supply. Water may be applied to the material via a water pump, pipelines, and spray bars. In order to minimize their influence on the environment and reduce water consumption, some wash facilities also have a system for collecting and recycling used water.
  • Equipment for dewatering: After the material has been cleaned and classified, surplus moisture is removed using this equipment. This might include using centrifuges, dewatering screens, or filters to remove the solids from the water.
  • Conveyors and stockpiling equipment: The material that has been cleaned and dewatered is transported to specified stockpiles or other processing steps using conveyors. Equipment for stockpiling, such as conveyors with tripper systems or radial stackers, aids in the organization of heaps for transportation or storage.
  • Control system: To keep an eye on and manage the functioning of different parts, a wash plant frequently has a control system. To guarantee effective and secure functioning, this may incorporate sensors, switches, and programmable logic controllers (PLCs).
  • These are a few of the typical parts of a wash plant. Depending on the use and needs of the washing process, several configurations and extra equipment may be needed.