In the fire safety system of modern buildings, the Fire Pump is known as the "heart" of the entire system. Although it does not directly extinguish fires, it continuously delivers high - pressure water flow, providing "combat ammunition" for terminal equipment such as fire hydrants and automatic sprinkler systems. Whether in high - rise buildings, industrial plants, or commercial complexes, the stable operation of fire pumps directly determines the success or failure of fire rescue.
I. The Core Mission of Fire Pumps: Building a Lifeline with Pressure
A fire pump is a Centrifugal Pump specifically designed for fire protection systems. Its core function is to use the centrifugal force generated by the rotation of the impeller to pressurize water from a water source (such as a fire water tank, municipal water supply network, or natural water source) to a specified pressure. This ensures that water can quickly reach high - rise or distant areas during a fire. It can be said that without the "heart - strengthening" role of fire pumps, even the most perfect fire protection pipeline network would be just "water without a source".
II. Classification Analysis
1. Classification by Structural Form
Vertical Fire Pumps:
These adopt a vertical design where the motor is directly connected to the pump body. They occupy only about 1/3 of the floor space of Horizontal Pumps, making them suitable for installation in building pipe shafts or narrow spaces, such as the underground fire pump rooms of high - rise buildings.
Horizontal Fire Pumps:
The motor and pump body are arranged horizontally, offering strong stability. They are suitable for high - flow and high - head working conditions and are commonly found in the fire protection systems of industrial zones or large commercial complexes.
2. Classification by Drive Mode
Electric Fire Pumps:
Powered by mains electricity, they are highly efficient and easy to control, making them the most mainstream type. They need to be equipped with a dual - power supply switching device to ensure automatic switching to the backup power supply in case of a power outage.
Diesel Fire Pumps:
Serving as a backup solution for electric pumps, they are driven by diesel engines without the need for external power. They can continue to operate under harsh conditions such as power outages and extreme weather, making them a "standard configuration" for high - risk places like petrochemical plants and subways.
SEAD fire water pumps are equipped with multiple power sources, including electric motors, diesel engines, and energy storage power supplies, which are not affected by power outages! Redundant design: parallel or series connection of multiple pump sets + standby pumps to eliminate the impact of faults!
Manual Fire Pumps:
Small and portable, they are used in remote areas lacking power supply. They realize emergency water supply through manual operation. Although their flow is limited, they can solve urgent needs in emergency situations.
III. Key Points for Model Selection
1. Clarify Basic Parameters: Accurate Calculation of Flow and Head
Flow (Q):
The design flow of the fire hydrant system in multi - storey buildings should not be less than 15L/s, while that in high - rise buildings should reach more than 40L/s. It needs to be comprehensively determined according to the building category and the number of floors.
Head (H):
The calculation formula is H = geometric height + pipeline resistance + terminal pressure.
SEAD fire water pumps can be equipped with single - stage/multi - stage and single - suction/dual - suction fire pumps, which can provide a large amount of fire water in a short time. They have a head ranging from tens of meters to hundreds of meters to ensure effective fire fighting at high - rise fire points! Stable pressure: able to maintain stable pressure output, so that fire equipment has sufficient 喷射距离(spray distance and spray intensity!
2.Match Medium and Environment: Selection of Material and Protection Level
Medium Characteristics:
Cast iron material can be selected for transporting ordinary clean water. If the medium contains impurities or corrosive liquids (such as seawater and foam liquid), anti - corrosion pumps with stainless steel impellers and wear - resistant mechanical seals should be used.
SEAD pumps use corrosion - resistant materials for the flow - through components. The seismic design and installation of flexible connections and supports reduce the impact of disasters such as earthquakes!
They use motors with a protection level of IP55 or above, which can be directly placed outdoors without building a pump room, greatly saving capital construction investment! They can also be equipped with the SEAD intelligent system, which can real - time perceive the working conditions of the pump set, realize abnormal early warning and remote monitoring! The components are reasonably arranged, with strong versatility and interchangeability, making them easy to repair and replace, with fast maintenance and low cost!
Products
Detachable inline pump
TD Detachable inline pump
Multistage centrifugal pump
Stainless steel end suction pump
End suction centrifugal pump
Double channel submersible sewage pump
Cutting submersible sewage pump
Non-clogging self priming sewage pump
Single stage single suction centrifugal pump
Double suction split case pump
Fire Pump
SVP Plastic multi - stage pump
SNB/SN Fire Pump End suction centrifugal pump
SNM Fire Pump End suction centrifugal pump
