Isuzu 15,000L foam fire fighting truck

Isuzu fire truck is also called Isuzu fire engine,Isuzu fire tender,Isuzu fire fighting truck and Isuzu rescue vehicle. It is widely used in petrochemical industry, factories and mining enterprises, forests, ports, docks and other departments. It can quickly approach the fire scene to start fire fighting and put out various fires. It is an ideal fire-fighting equipment for fire fighting and rescue.

The Isuzu foam fire truck is mainly composed of a cab, a carriage, a pump and transmission system, a foam proportioning device, an air foam-water dual-purpose cannon and other additional devices. Can independently put out fires. It is especially suitable for extinguishing oil fires such as petroleum and its products. It can also supply water and foam mixture to the fire scene. It is an essential fire-fighting vehicle for petrochemical enterprises, oil terminals, airports and urban professional fire brigades.

The cab of the Isuzu foam fire truck has the following devices: water ring pump diversion handle, rear water inlet operating handle, power take-off handle, foam operating handle, and a hand throttle, water pump tachometer, vacuum gauge, liquid level gauge, etc. on the instrument panel. . There are water inlet and outlet interfaces and water outlet and foam outlet control ball valve handles outside the cab.

The compartment of the Isuzu foam fire truck consists of a water tank, a foam liquid tank, and an equipment compartment.

The water pump and pipeline system consists of a water pump, a water diversion device (waste water diversion, water ring pump, scraper pump, piston pump) and corresponding pipelines (water pipelines, foam pipelines).

The foam proportioning mixing device consists of a foam proportioning mixer, a pressure water pipeline, a foam liquid inlet and outlet pipeline and a ball valve.

 specifications

The working principle of the Isuzu foam fire truck is to output the power of the car chassis engine through the power take-off, drive the fire pump through a set of transmission devices, mix water and foam in a certain proportion through the fire pump and foam proportioning mixing device, and then through the fire cannon and a foam fire extinguisher to extinguish the fire.

power take off

Foam fire trucks mostly use the main vehicle engine power take-off, and the power take-off arrangement can be in various forms. At present, mid-surface foam fire trucks mostly use sandwich power take-off (front-mounted gearbox) and transmission shaft power take-off (rear-mounted gearbox). A sandwich-type power take-off is used to take out the power of the main engine and transfer it to the water pump through the transmission system to drive the water pump to operate and achieve a double-action function. Currently, most of them adopt this form.

foam water tank

The foam water tank is the main container for Isuzu foam fire trucks to load fire extinguishing agents. According to the development of the fire protection industry, it can be made of various materials. In the 1980s and 1990s, polymerized fiberglass materials were mostly used, and now high-quality carbon steel and stainless steel materials are gradually developed.

Equipment box

The equipment box of Isuzu foam fire trucks is mostly a steel frame welded structure, with all-aluminum alloy plates or steel plates used inside. In recent years, the internal layout structure of equipment boxes can be divided into four types: fixed partition type, that is, each partition frame type is fixed and cannot be adjusted; movable partition type, that is, the partition frame is made of aluminum alloy profiles with decorative patterns inside , the intervals are adjustable; push-pull type, that is, push-pull drawer-type equipment is easy to access, but the production is more complicated; rotating frame type, that is, each partition is made into a small rotating equipment cutting gear.

Fire Pump

At present, the fire pumps on Isuzu foam fire trucks can be roughly divided into three categories: normal pressure pumps (low-pressure fire pumps), that is, single-stage commercial pumps, such as 8530, 8540, 8S60, R100 (imported), etc., medium and low pressure combined fire pumps Pumps, multi-stage centrifugal pumps. Such as 20.10/20.40, 20.10/30.60, 20.10/35.70, KSP (import), etc. High and low pressure pumps, such as AH20, NH30 (imported), 40.10/6.30, etc. All are equipped with middle and rear fire pumps. 2.5 The pump room is the same as the equipment box. The pump room is mostly a full-frame welded structure. In addition to fire protection, there is also space for pump-related equipment to facilitate firefighters' operation.

Foam proportioning mixing device

The foam proportioning mixing device is the main equipment for absorbing and transporting foam liquid in the air foam fire extinguishing system. It can mix water and foam in proportion. There are generally three mixing proportions of 3%, 6% and 9%. Currently, the domestically produced foam mixing device The mixer mainly uses foam liquid; the mixing ratio is 6%. The mixer is divided into three specifications: PH32, PH48 and PH64. In recent years, most of the imported high and low pressure pumps and medium and low pressure pumps adopt ring-type pump-type air foam proportioning mixing devices, which are integrated with the pump design, such as the CB series automotive fire protection pages produced by a domestic company, and the imported Pointsenberg NH20 and NH30 series. etc., are indispensable main equipment for foam fire trucks.

Foam fire extinguishing mechanism

Foam has relatively low density, good fluidity, strong durability and flame resistance, low thermal conductivity and high adhesion. These physical properties enable it to quickly cover the surface of the patrol wave body, isolate the transfer of flammable steam, air and heat, and has Cooling effect, play the role of fire extinguishing.