Natural water source fire-fighting water taking device and fire-fighting water supply system

By designing a hollow box structure for the water intake device and a liquid level monitoring system, the problems of impurity blockage and insufficient water volume in natural water source fire-fighting water intake devices were solved, realizing the reliability and convenience of the water source and ensuring the stability and safety of fire-fighting water supply.

CN224281449UActive Publication Date: 2026-05-26SHANGHAI GAS ENG DESIGN & RES
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Patent Information

Application Number
CN202521881068.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-02
Publication Date
2026-05-26
Estimated Expiration
2035-09-02

AI Technical Summary

Technical Problem

Existing natural water source fire-fighting water intake devices suffer from problems such as impurities clogging water pumps, inability to monitor water volume in a timely manner, and insufficient convenience and safety of water intake. In particular, they may lead to insufficient fire-fighting water supply during the dry season.

Method used

Design a hollow box-shaped water intake device, equipped with a normally open gate and filter screen, internal and external level transmitters to monitor the water level, and a fault alarm. It is made of fiberglass, and the water intake is designed as a headless conical shape. A Y-type filter and parallel pump set are installed in the fire pump room to ensure convenient water intake and reliable water source.

Benefits of technology

It effectively prevents impurities from clogging the system, enables real-time monitoring and early warning of water volume, ensures sufficient water supply for fire fighting, improves the convenience and safety of water intake, meets maintenance needs, and allows for the passage of fire trucks.

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Abstract

The utility model discloses a natural water source fire-fighting water taking device and a fire-fighting water supply system. The side wall of the water taking device is provided with a water taking port corresponding to the lowest effective water level of the natural water source; the water intake is provided with a normally open gate and a filter screen; the water taking device is provided with an internal liquid level transmitter and an external liquid level transmitter; the internal liquid level transmitter and the external liquid level transmitter are both connected with a fault alarm device, and when the measurement value of the external liquid level transmitter is higher than the measurement value of the internal liquid level transmitter by more than 5%, fault alarm is carried out; the water taking device is provided with a water conveying pipe penetrating through the side wall. One end of the water pipe is connected with a fire pump set in the fire pump room, and the other end is connected with a water suction port close to the bottom of the water taking device; and the lower end with a larger diameter is fixed at a position close to the bottom of the water taking device in an overhead manner through a bracket. The problem that the grid at the water taking head cannot be cleaned is solved, and early warning of insufficient water in the dry season is achieved.
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