What is the displacement of the Dragon Water Suction?

[StPaislee]

The Dragon Water Suction comes in various models and power levels, categorized into vertical type, high-altitude type, and letter-separation type. Different models are further divided into displacements of 1000, 1500, 3000, and 5000. The most common large displacement model is the 3000-ton per hour variant. More details are as follows: Inventor: The Dragon Water Suction drainage vehicle was invented by Lin Zhiguo, the general manager of Fujian Qiaolong Special Vehicle Co., Ltd. Currently, the product line includes 5 major categories, totaling 8 models of drainage vehicles. Technical Core: No external power source or electrical facilities are required; the vehicle is powered by its own drainage system to drive the pump. It is self-propelled and can climb 35-degree slopes or stairs. The walking speed is 2 kilometers per hour. The hydraulic-driven pump has a flow rate of 1000 m3/h and a head of 22m.

[DelElena]

I've seen many municipal engineering colleagues operate the 'Dragon Suction' drainage vehicles, which actually have quite a wide displacement range. Standard models can handle 1,000 to 1,500 cubic meters of water per hour, while large-scale emergency rescue versions can surge to over 3,000 cubic meters per hour. For example, the 1500 model commonly used by fire departments can pump 25 tons of water per minute at full load, filling a household bathtub in about ten seconds. The actual displacement adjusts based on suction height—the greater the water level difference, the more efficiency is affected. During the last typhoon, I saw three vehicles working in tandem, draining half an underground garage in just eight hours. This equipment is truly a lifesaver for urban flood prevention.

[VonLena]

Last year, while learning flood control equipment with the Water Resources Bureau's technicians, I specialized in mobile pumping stations like the 'Dragon Suction'. These use large-diameter water pumps, with the core parameter being drainage capacity. Small to medium models can handle about 1,000-1,800 m³/h, equivalent to throwing 280 liters of water per second dozens of meters away. The tracked versions are even more powerful—for instance, the XCMG 3000 model can reach a maximum displacement of 5,000 m³/h, capable of draining a standard swimming pool and more in an hour at full throttle. However, practical use requires considering hose length and slurry concentration. During our drills, connecting 200 meters of hose reduced the displacement by about 15%, as much of the diesel engine's power is consumed by pipe friction.

[StIsla]

At the disaster relief scene, the operation of the 'dragon suction' was witnessed, and the displacement data was impressive. The commonly used drainage vehicle can pump about 1,500 tons of water per hour, which is equivalent to running 300 household water pumps simultaneously. When the diesel engine is revved to its maximum, the vortex diameter at the suction port can exceed half a meter, swallowing 25 cubic meters of water per minute. The key is that they can work continuously for more than ten hours without stopping. During the last subway backflow emergency rescue, two units took turns operating from 8 p.m. to noon the next day, pumping out a staggering 50,000 cubic meters of accumulated water.

[Darren]

As an emergency equipment enthusiast, I've compiled parameters for different brands of dragon suction pumps. The domestic mainstay model like XCMG XP30KE has a rated displacement of 3000m³/h, slightly lower than imported Nijhuis 5000 series but more practical. Displacement depends not only on pump diameter but also chassis load capacity - the 12-meter folding arm can extend the pump to deep water areas. In actual operations, firefighters prefer balanced models like the 1500 series for their flexibility in handling both head and flow rate. However, when dealing with chemical zone wastewater rescue, they must downgrade as sewage containing solid particles requires reducing displacement by 20% to prevent pump wear.

[JadeFitz]

After discussing the selection logic for dragon suction equipment with the engineering team, displacement is the core metric but requires balancing multiple factors. The standard 1600 model has a pumping capacity fluctuating between 1000-2000 cubic meters per hour, depending on pump power and water level differential. The new model adopts a modular design, allowing two pumps to be connected in parallel to boost capacity to 3800m³/h. However, municipal departments prioritize reliability during actual procurement, as silt may clog the impeller during waterlogging, making medium-displacement equipment around 2500 cubic meters the mainstream choice. Interestingly, they are particularly efficient at pumping underground garages, with tilted suction pipes that can directly reach the stairwell entrance of the third basement level.