Condensate delivery device for underground condensate tank

By setting up a cooling coil and a buffer tank at the inlet of the external pump, the problems of centrifugal pump evacuation and cavitation caused by high condensate temperature are solved, and the stable operation of the device and the life of the pump are achieved.

CN223215419UActive Publication Date: 2025-08-12HEBEI WEIYONG NEW MATERIAL CO LTD
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Patent Information

Application Number
CN202422287572.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-19
Publication Date
2025-08-12
Estimated Expiration
2034-09-19

AI Technical Summary

Technical Problem

When using a centrifugal pump to collect condensate water, the centrifugal pump often has problems with evacuation or cavitation due to the high temperature of the condensate water and the condensate water tank is underground.

Method used

A condensate outlet buffer tank with cooling coils is installed at the inlet of the external pump to cool down and provide sufficient condensate water. It is connected to the condensate tank through a right-angle bent pipe. A glass tube level gauge is installed to monitor the liquid level to ensure the sealing of the device.

Benefits of technology

Effectively prevent centrifugal pump evacuation and cavitation, protect the service life of the pump, and ensure normal operation.

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Abstract

The utility model discloses a condensed water delivery device for an underground condensed water tank, which relates to the technical field of condensed water delivery equipment and comprises a condensed water delivery buffer tank, a cooling coil is arranged at the bottom in the condensed water delivery buffer tank, and the bottom of the condensed water delivery buffer tank is communicated with a water inlet of a delivery pump through a connecting pipeline; the outer wall of the condensed water delivery buffer tank is communicated with a condensed water tank through a right-angle bent pipe; a water filling opening pipe is arranged at the top of the condensed water delivery buffer tank and is communicated with an outlet pipe, and the outlet pipe is arranged on a water outlet of the delivery pump. According to the utility model, the condensed water delivery buffer tank provided with the cooling coil pipe is additionally arranged at the inlet of the delivery pump and is used for cooling the delivered condensed water and providing sufficient condensed water for the inlet of the delivery pump, so that the pumping-out and cavitation phenomena of the delivery pump are avoided, and the service life of the delivery pump is effectively protected.
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