​Introduction of Fireboat

Fireboat is a type of vessel that is a professional vessel for fire fighting and fire fighting work on ships in the port or on shore waterfront buildings. 

The fireboat looks like a tugboat, so there is also a fireboat that doubles as a tugboat. The ship is equipped with fire-fighting equipment such as high-power water pump system, high-pressure water spray gun and fire extinguishing agent, and is equipped with ambulance personnel and medical equipment. Special fire-fighting foam cannons are also provided to suit the oil tanker fire. The fire water guns are located on fire towers with high water surface, and some are located on the top of the thick ship's dome, with a range of more than 40m. In order to penetrate deeper into the fire zone, there is also a water curtain device on board. When entering the fire zone, the whole ship was covered by a water curtain. The fireboat is painted red and is easily identifiable in appearance. Fireboats have high speeds and good seakeeping, and require good maneuverability to enable ships to perform firefighting missions in narrow waterways or crowded ports.

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Fire boat water supply method and precautions

-Water supply method

Through the calculation of the above theoretical part and the actual water supply test, it can be seen that the fireboat has a clear advantage over the fire truck in the water supply. In the actual water supply operation, the fireboat is in the water, depending on whether there is a dock or not, There are two ways for offshore water supply and beach water supply; according to the function, it can be divided into two methods: water supply directly to the main vehicle and water supply to the water supply vehicle.

1）Offshore water supply. In the case of a fire that exceeds 2 km without a dock, offshore water supply should be preferred. However, in the process of offshore water supply, it is necessary to pay attention to the surrounding environment, such as water flow, wind direction, water flow and water depth, etc., which will affect the offshore water supply. When laying the water supply line, the water flow rate must be taken into consideration for the fire hose. The impact effect and the hull impact swing factor, the water flow speed exceeds 3 m / s, generally can not complete the water supply, and if there is no support or fixed object of the water main line on the shore, the hull is prone to occur due to the influence of recoil during the water supply process. Swinging, causing the water belt to pull, causing the interface to fall off, the trunk will be difficult to lay. Therefore, when a fire warship takes the form of water supply in the form of offshore water supply, it must be determined according to the conditions at that time, and the water belt must be fixed. When offshore water supply is adopted, it is more suitable to supply water to the shore fire truck. The shore fire truck will then carry out relay water supply or water supply to the main vehicle.

2）Water supply to the beach. Considering that the fireboat has a strong remote water supply capacity and is limited in offshore water supply, generally there should be a priority for docking within 2 km from the fire site. The fire hydrant on the ship should be used to lay water out of the water. In the process, the hull is stable, the water belt is stable, and there are many water supply lines at the same time. When watering the water, you can supply water directly to the main battle fire truck, or you can supply water to the shore water supply fire truck or supply water to the water supply fire truck.

-Precautions

(1) Fire boat water supply training. The use of fireboats for water supply mainly needs to solve the problem of laying water belts and linking with onshore firefighting forces. In addition to the basic water belt connection operation and water belt extension operation, it is mainly necessary to carry out long distances, such as 400 to 3 000 m. The training of the water belt laying practice, as well as the use of the throwing device for the offshore water supply belt and the water transport of the small boat, ensure the smooth laying of the water supply trunk before the water supply to the vehicle.

(2) Fireboat water supply equipment. In order to give full play to the technical performance of the fireboat, the water supply equipment of the ship must be scientifically and reasonably configured. The specific attention is as follows: The general design of the fireboat is only used as a fire rescue and rescue. There are not many water belts that can be loaded. It is necessary to install the water belt holder and the like. Water supply equipment should be equipped with corresponding medium-pressure equipment, such as medium-pressure water belt, medium-pressure water belt interface, medium-pressure water separator, etc. If low-pressure water supply equipment is used, equipment damage will occur when water is supplied from a long distance (such as water belt blasting). The interface leaks, etc., directly affects the water supply of the fire, and even causes the water supply to fail. If it is simply equipped according to the standard equipment, the water supply capacity of the fireboat cannot be utilized. If offshore water supply is adopted, the water belt in the waterway must be tied with a hose connection or an interface fixing device. Otherwise, the interface may fall off due to the impact of water flow. If the vehicle is not suitable for pumping water in the river, use the fire boat as the fireboat. The main force of water supply ensures the intensity of water supply to the fire.