Pumping system, control method thereof, and fire fighting equipment

Abstract

The invention discloses a pumping system, which comprises at least two plunger pumps, wherein the plunger pumps are alternately reversed; when one plunger pump arrives a reversing position, the other plunger pump starts to carry out medium pumping operation; and the number of the plunger pumps can be two, when one of the two plunger pumps arrives the reversing position, the other one of the two plunger pumps starts to carry out medium pumping operation. In addition, two cylinders are arranged in any one plunger pump and are respectively a first cylinder (51) and a second cylinder (52) which are respectively arranged on two sides of a conveying cylinder (53). Due to the structural design of the pumping system, on one hand, the continuity of medium pumping can be improved, and the occurrence of the phenomenon of cutting off is prevented; and on the other hand, the pressure and the flux on a medium outlet in forward and reverse strokes are favored to be equal. Further, the invention also discloses a control method of the pumping system and fire fighting equipment comprising the pumping system.

Description

technical field [0001] The invention relates to the technical field of liquid medium pumping, in particular to a pumping system. In addition, the present invention also relates to a control method of the pumping system. Furthermore, the present invention also relates to a fire-fighting equipment comprising the above-mentioned pumping system. Background technique [0002] At present, with the rapid development of the economy, high-rise buildings have sprung up one after another, and there is more and more a tendency to compete with each other. However, there are frequent fire accidents in high-rise buildings or super high-rise buildings. Therefore, fire fighting and rescue of high-rise buildings or super high-rise buildings will inevitably become a major issue that modern society needs to face. [0003] In the prior art, fire-fighting water pumps generally include two types, one is a centrifugal water pump, but this kind of water pump is limited by pressure and cannot meet ...

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Problems solved by technology

[0003] In the prior art, fire-fighting water pumps generally include two types, one is a centrifugal water pump, but this kind of water pump is limited by pressure and cannot meet the fire-fighting needs of high-rise or super-high-rise buildings; the other is an ordinary plunger-type water pump , although this type of water pump can meet the pressure requirements, but this type of water pump is limited by the flow rate, and cannot meet the fire extinguishing needs of high-rise or super-high-rise buildings

[0004] In the prior art, there is also a double-row plunger water pump. Although the double-row plunger water pump can meet both the pressure requirement and the flow rate requirement, due to the limitation of the reversing time, the water pump pumping The continuity is not high, and the phenomenon of "broken flow" often occurs, so the fire extinguishing effect for high-rise buildings or super high-rise buildings is not ideal

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