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الجمعة، 1 أبريل 2016

How A Bucket Elevator Works

By Brenda Brooks


Accessing top floors of a tall building would not be possible without lifts. Electric lifts also facilitate vertical transport of both light weight and bulky loads. A bucket elevator is a superb conveyor designed to carry loads in an inclined path. This equipment is used in the several industrial sectors. A light weight version of this device is used to serve domestic operations.

This machine comprises of long belts, strong chains, supporting frames and a terminal machinery. It relies on these components to operate effectively. Each component however serves a distinct role in the vertical transportation of loads. For example, terminal machinery facilitates loading and discharging of lumps. Belts on the other hand are long and strong to tie loads that are to be transported in a lift.

This device is also known as a grain leg because it is used to haul fluid materials such as grain and fertilizer. An example is the transportation of concrete using an electric lift to a very high building. Containers are made of materials with high tensile strength to mitigate any chances of tear when fluid weights are undergoing transportation. There is a specific speed that electric lifts should travel when handling grain materials. This prevents the grains from spilling over.

There are three designs of this equipment used in industrial operations in all parts of the world. The first one is referred to centrifugal discharge because it uses force to transport loads. This design is widely used in agricultural activities such as irrigation of farms. Containers normally discharge a load easily courtesy of centrifugal force. This type of force is exerted at the center of gravity of any material that has weight.

The second style is called continuous discharge. Lifts that operate based on this style normally handle viscous materials. Continuous discharge is a term used in the engineering sector to refer to materials that are dense and have a slower velocity. Machines that handle such materials usually operate at a slower speed. The containers for carrying such materials also comprise of a triangulated cross sectional area. These containers are mounted close to belts used in tying a load.

Positive discharge also adds up as a design mechanism. It is basically applied in industrial sectors that produce light weight commodities. An example is food production firms. Another example is the candy industry that relies on positive discharge machines when candy undergoes processing. Machines used here are made up of two pins and longer chains for a load to swivel freely.

A similar machine comprising of flat steps is seasonally utilized as a lift to carry people in buildings under construction and parking garages. This machine is very dangerous because it lacks safety precautionary utilities such as air vents and walls to support an individual when standing.

Positive, centrifugal and continuous discharge lifts are limited to certain conditions. For example, loads should have a lump size of one hundred units in millimeters and below. Loads are also supposed to be less sticky and have a constant temperature. This is because when lifts are transporting weights on a vertical axis, heat is normally generated and this may interfere with the loads.




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