A sand pump is a centrifugal pump used to move solid matter, particularly sand, through a piping system. It works through a grooved disc that creates a force of motion. Sand pumps are used in systems that move materials long distances and can relieve the workload of the initial pump. While there are benefits to using sand pumps, there are also drawbacks such as the need to replace the disc in long-term applications.
A sand pump is a unit most commonly used in oilfield and earthmoving applications. A sand pump is generally the primary means of moving solid matter from one location to another as efficiently as possible. Sand pumps work through a process called centrifugal motion. This means that a sand pump can also be classified as a centrifugal pump.
Sand pumps work through the use of a textured or slotted disc. The disc is rotated about a central axis, creating a force of motion through the rotation of the slotted disc. The action forces movement of any material that contacts the grooved disc, due to the pull/release action created by the movement of the grooves.
A sand pump can be used in a number of cases and move a number of different substances but are referred to as sand pumps because they are most often used to move deposits of sand from one point to another. Sand pumps are typically placed in fluid or oil tanks that have sunk or filled with sand, then move the sand through a series of pipes and fittings. They can also move the sand through other pumps that can be incorporated to maintain material pressure throughout the entire system.
Sand pumps are most commonly used in systems that move materials long distances. The sand pump becomes necessary because the piping in these systems can bind to the materials if the pressure at the end of the system is not sufficient to push the material through the end. Pumps positioned in sequence for use in longer systems also provide a way to relieve the initial pump of the heavy workload these types of pumps often face.
The benefits of using sand pumps to move solid materials from one location to another through a piping system often outweigh the typical cost of one such system, largely because moving land solid materials requires manual or power-driven equipment. . The ease of use and ongoing application benefits once the system is installed and integrated are also a plus.
There are also drawbacks to these systems. Sand moving at high pressures or speeds often compresses abrasive materials and grinds them against the disc. This grinding action often results in the need to replace the disc in long term applications and may also require introducing water into the system to make the material more pliable as it moves through the system.
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