SUBMERSIBLE SUMP PUMP

Vertical Submersible Sump Pumps are introduced

(A) Sewage discharge Vertical sump pumps are often used to treat sewage discharge containing solid particles, fibers and other impurities. In urban sewage treatment plants, they can treat sewage from domestic sewage collection systems, effectively dealing with sewage such as paper towels, hair, small stones and other debris. In the industrial sector, such as food processing plants, paper mills, etc., it is also possible to treat the sewage generated in the production process, which often has complex compositions and different pH levels.

(2) Rainwater drainage In the rainy season, vertical submersible pumps in urban drainage systems play a key role. They are installed in stormwater pumping stations, underground parking lot drainage systems, low-lying lot drainage facilities, etc. It can quickly drain a large amount of accumulated rainwater and prevent waterlogging. Even in the case of heavy rain, in the face of high flow of rain impact, as long as the selection is appropriate, the vertical submersible pump can also run stably.

(3) Agricultural irrigation and drainage In the agricultural field, it can be used for irrigation, the water from the water source (such as rivers, ponds) to the field. It can also be used for drainage, when there is water in the field, the excess water is drained away. Especially in the rice field, it can evenly transport water to each rice field during irrigation, and can discharge excessive rain in time during the rainy season to ensure the growth environment of crops
 

2. Parameters required when selecting the model

(1) Flow rate refers to the volume of liquid passing through the pump per unit time, usually in cubic meters per hour (m³/h) as a unit. This is determined according to the scale of drainage or pumping required. For example, for a small residential community sewage discharge, may only need a small flow (such as 10-50m ³/h) pump; For the sewage lifting of large sewage treatment plants, large vertical submersible pumps with a flow rate of hundreds or even thousands of cubic meters per hour may be required.

(2)The lift refers to the height at which the pump can lift the liquid, in meters (m). It needs to consider the vertical height of the drainage or pumping as well as the resistance along the line and local resistance losses. For example, if the sewage is to be pumped from the basement to the sewage network on the ground, the basement depth is 5 meters, and the pipeline loss is estimated to be 3 meters, then at least a pump with a head of more than 8 meters needs to be selected.

(3)Power Power determines the power of the pump, and the unit is kilowatt (kW). It is related to flow and head, in general, the greater the flow, the higher the head, the greater the power required. When choosing power, it is also necessary to consider the power supply capacity and operating costs of the grid.

(4) The characteristics of the medium need to consider the size, concentration and nature of solid particles in sewage or liquid. If the solid particles are large and the concentration is high, it is necessary to choose a pump with a larger flow channel and good wear resistance. For example, in the treatment of mine sewage containing a lot of sand, the impeller and pump body material need to have high hardness and wear resistance. The acidity (pH) of the medium is also critical. For acidic or alkaline sewage, the material of the pump needs to have the corresponding corrosion resistance, such as the use of stainless steel or special corrosion resistant plastics.

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