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Industrial sand is a very essential mineral used in most industries, with the kind of sand's purpose defining its characteristics. Suppliers offer various types of conveyors suited for specific sand-conveying needs. Here are some common types of vertical sand conveyors:
Bucket elevator conveyors
Vertical sand bucket conveyors are comprised of a series of buckets supported on a chain or belt which are used to elevate the sand to a certain required height. The buckets scoop up the sand from the base and then deposit it at the desired elevated location. They are usually very efficient and useful for handling dry, fine sands and slurries.
Spiral conveyors
Spiral conveyors possess an auger-like design that enables sand to be transferred in a vertical spiral motion. They are usually compact and ideal for continuous operations, slowly moving the sand with less impact. This kind of design, therefore, suits very fine and light sand. For heavier and coarser sand, a more robust and durable conveyor must be used to avoid wear on the conveyor.
Vibrating conveyors
Vibrating conveyors transfer materials through a series of troughs or tubes by applying vibrations. They are usually quite flexible, and the vibration frequency can be adjusted depending on the type of sand being conveyed. Wet or dry sand can be conveyed as long as there are adequate channels for both.
Belt feeders
These are flat or tubular belts that can carry sand to feed zones in bulk processing plants. Belt feeders are designed to carry large volumes of sand at a controlled rate. They work well for all types of sand, regardless of whether it's fine, coarse, wet, or dry.
Pneumatic conveyors
Pneumatic conveyors use air pressure to move sand through tubes. They are very flexible, so some types of sand can easily go through the system. However, certain sand types may cause blockages or damage to the pipelines, affecting airflow.
The vertical sand conveyors are therefore very important and critical pieces of equipment in several industrial applications:
Sand and cast fill
Vertical sand conveyors are used to transport molding sand in the foundry industry. They can also be used to lift sand to be used as cast fill in mining pits, which helps replace the mined material. This is important in ensuring that mining operations continue without being hampered by the collapse of the mine tunnels.
Cement and construction materials
Vertical sand conveyors are used to transport cement, concrete mixtures, and other aggregated materials in the construction industry. They help improve efficiency by automating the process of moving materials in order to keep up with the demand due to rapid construction activities.
Thermal Energy systems
They're also used in fly ash handling in thermal power plants. This includes elevating ash from the bottom of the plant to discharge it in specified areas. They help in improving efficiency by reducing the need for manual labor and employing elite methods of transportation that would improve system efficiency.
Waste management and recycling
Vertical sand conveyors are used to elevate and transport as well as boost the efficiency of sand in waste management and recycling. This could be anything from construction debris to foundry sand. This will also reduce the need for manual handling and enable the plant to work with different kinds of waste without being blocked or damaged.
Bulk material handling
Vertical sand conveyors are commonly used in the agriculture, mining, and chemical industries to elevate and transport various bulk materials such as agricultural sand, mineral sand, and silica sand. Due to increasing concerns for occupational health and safety, vertical sand conveyors offer a very ergonomic and healthy way of transporting materials with minimal manual handling.
Environmental protection
With their efficient transportation of waste and recycling materials, vertical sand conveyors play a role in reducing environmental impact by promoting recycling and proper disposal of materials.
Movable bridges or buckets
Have bridges or buckets that go up and down to move sand from one place to another around the machine.
Spiral or auger design
Some have a spiral or corkscrew shape that pushes sand up when turned, like twisting a tube of toothpaste.
Scientifically vibrated mechanisms
Some utilize vibrating parts that shake sand along sand chutes and hoppers from one place to another, powered by electricity.
Tube with airflow
Pneumatic conveyors carry sand through tubes with airflow powered by fans, similar to straws.
Allowances for enclosure
All types are covered to prevent sand from spilling out.
Installing & positioning the conveyor
The vertical sand conveyor should be installed versantly to operate at equilibrium alignment. The base of the conveyor should be anchored properly to secured floors or ground, and the structure shrouded around should be made collision proof, as well. Once installed, the conveyor outlet should be positioned near the area where sand will be discharged.
Feeding mechanism setup
Install the hopper or feeding attachment at the base of the conveyor to collect the sand recruited from a certain place. This feeding mechanism needs to be large enough to contain huge quantities of sand, with a small opening so that the sand does not fall out easily.
Starting the system
After the positioning and installing parts have been set, power up the conveyor to start the belt feeding system. Adjust the speed controls to moderate the movement of sand so that it will not flow too much or too less. Proper electronic controls are crucial for managing feed during sand mining and preventing sand blockage. After making sure the conveyor is working properly, add sand at the base of the conveyor to start the moving process.
Regular inspections for damage
It's important to perform regular inspections on the vertical sand conveyor to check for blockages, wear and tear, or any other type of damage.
Lubrication for parts
Be sure to clean and lubricate moving parts such as rollers, gears, screw augers, and belts as this will improve their efficiency and stop them from becoming rusty.
Keeping it clean
Sand can create a lot of dust, so it's really important to keep sand and debris from building up on the conveyor. Make it a habit to clean it frequently.
Tightening loose belts
If you notice that the belts or screws are becoming loose, then tighten the connections. This is because loose parts can bring about inefficient movement as well as eventually cause damage.
Checking electricals
For conveyors with electric parts, often check the wiring and electrical components to ensure that they are not damaged or worn out.
As vertical conveyor belts handle abrasive materials like sand, they must be built strong enough to last. Key quality factors include:
Premium parts
They should use top-quality materials for the frame, belts, screws, and motors.
Robust design
The structure has to employ wear-resistant coatings and corrosion protections as sand wears out machines fast.
Smooth operations
The motor or rollers don't vibrate, ensuring steady movement without obstruction, so balancing them is crucial.
Easy maintenance
Assembly parts such as belts should be easily replaceable without major work. Frequent swapping of any worn parts is important to avoid further damage.
Keep guards on
The moving machine parts ought to be covered with safety guards, so noone gets hurt trying to touch them.
Secure the area
The sand dropping outlet and elevated parts must be fenced off from workers walking around the space.
Regular checks
Conveyors should be regularly checked for issues, like broken strings or electrical problems, to prevent dangerous scenes from happening.
No loose equipment
Workers should avoid wearing loose clothing or jewelry that can get caught in the conveyor.
A1. No, they should not use just any sand. Fine, dry, or damp sand is good, but not clayey or too wet, which causes clumps. Special conveyors work - vibrating or pneumatic ones - to move tricky sand around.
A2. They regularly clean the conveyor parts. Checking that feed areas, hoppers, and tubes aren't jammed. Adjusting feed rates and speeds helps too, so sand keeps moving smoothly.
A3. Watching for slow speeds, strange noises, or vibrations that don't seem right holds the key to keeping things moving. Taking time to check it pays off by ensuring smooth operations.
A4. Yes, they should. The conveyor belt machine for sale
A5. Yes, they do it once; they often lubricate moving parts like rollers and gears. This makes a huge difference in how well things run.Q5. Should lubricating be done often?
