Among the mechanisms put into utility in various industries to transport liquid and granular materials for a number of processes is the screw conveyor. Sometimes, the term auger conveyor is used it reference to this system. It was invented a long while back by Archimedes, a Greek scientist. The machine presently enjoys much popularity and utility in a number of commercial and industrial applications.
Although there are several different kinds of screw conveyors, the most commonly used is the horizontal screw conveyor. It is used in conveying bulk materials from one part of a process to another. These systems are constructed in a wide variety of sizes, lengths, configurations, and materials. Stainless steel screw conveyor systems are popular since of the materials used to make these systems is steel. The inlet of the conveyor system is usually control fed by another device such as a screw feeder, rotary airlock, gravimetric feeder, or belt conveyor.
The discharge end of these systems is usually where the drive units are installed. This side is recommended because it pulls the bulk materials to the drive end. The tear and wear of the system components is reduced by this arrangement by making sure every section of the system is exposed to the tension the conveyed material generates.
There are several advantages that are associated with screw conveyors. First, they are ideal for conveying dry and semi-fluid bulk materials. Also, in comparison to other conveying systems such as aeromechanical, pneumatic, and belt conveyors, auger conveyors are more cost effective. The presence of multiple discharge and inlet points allows for efficient distribution of bulk materials. Lastly, the system is usually totally enclosed from corrosive, dusty, or corrosive environments.
Inclined auger conveyors are alternative types of the screw conveyors. The system typically operates at angles from the horizontal. The angles between the system and the horizontal line could range from a few degrees to 45 degrees. The systems cannot be referred to as inclined conveyors if the angle of inclination exceeds 45 degrees. In such a case, they are referred to as vertical conveyors. The KWS engineering guide for the constructing vertical conveyors must be followed in that case.
When the angle of inclination is increased, efficiency of the system reduces while horsepower requirements increase. Gravity caused by materials falling back is responsible for the reduced level of efficiency. Additional factors that reduce efficiency include type of conveyor system used and characteristic of material being conveyed. To achieve more efficiency in the system, the angle of inclination should be kept to the lowest.
Shaftless screw conveyors are another popular kind of conveying systems. This conveying system is used to convey material from mixers, filter presses, and centrifuges. The material used to convey on this system would otherwise be hard to convey on other systems. Materials with a lot of moisture are also conveyed much better using this system. Clogging does not happen in this system if design is done well.
Food, mineral, and chemical processing industries are among the industries that make use of these shaftless conveyors. These conveyors are also used a lot by wastewater treatment industries. There are various standards of design for these systems that are followed by producers in producing quality systems. These standards may differ from country to country.
Although there are several different kinds of screw conveyors, the most commonly used is the horizontal screw conveyor. It is used in conveying bulk materials from one part of a process to another. These systems are constructed in a wide variety of sizes, lengths, configurations, and materials. Stainless steel screw conveyor systems are popular since of the materials used to make these systems is steel. The inlet of the conveyor system is usually control fed by another device such as a screw feeder, rotary airlock, gravimetric feeder, or belt conveyor.
The discharge end of these systems is usually where the drive units are installed. This side is recommended because it pulls the bulk materials to the drive end. The tear and wear of the system components is reduced by this arrangement by making sure every section of the system is exposed to the tension the conveyed material generates.
There are several advantages that are associated with screw conveyors. First, they are ideal for conveying dry and semi-fluid bulk materials. Also, in comparison to other conveying systems such as aeromechanical, pneumatic, and belt conveyors, auger conveyors are more cost effective. The presence of multiple discharge and inlet points allows for efficient distribution of bulk materials. Lastly, the system is usually totally enclosed from corrosive, dusty, or corrosive environments.
Inclined auger conveyors are alternative types of the screw conveyors. The system typically operates at angles from the horizontal. The angles between the system and the horizontal line could range from a few degrees to 45 degrees. The systems cannot be referred to as inclined conveyors if the angle of inclination exceeds 45 degrees. In such a case, they are referred to as vertical conveyors. The KWS engineering guide for the constructing vertical conveyors must be followed in that case.
When the angle of inclination is increased, efficiency of the system reduces while horsepower requirements increase. Gravity caused by materials falling back is responsible for the reduced level of efficiency. Additional factors that reduce efficiency include type of conveyor system used and characteristic of material being conveyed. To achieve more efficiency in the system, the angle of inclination should be kept to the lowest.
Shaftless screw conveyors are another popular kind of conveying systems. This conveying system is used to convey material from mixers, filter presses, and centrifuges. The material used to convey on this system would otherwise be hard to convey on other systems. Materials with a lot of moisture are also conveyed much better using this system. Clogging does not happen in this system if design is done well.
Food, mineral, and chemical processing industries are among the industries that make use of these shaftless conveyors. These conveyors are also used a lot by wastewater treatment industries. There are various standards of design for these systems that are followed by producers in producing quality systems. These standards may differ from country to country.
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