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About usAn industrial and trade fire company integrating the development, production, sales, and service of fire accessories.
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06
2026
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01
Mobile Foam Fire-Fighting Tool: An Analysis of 120L Foam Tank Units
In various fire emergency scenarios, liquid fires have always been a key and difficult area in fire protection due to their strong fluidity, fast spreading speed, and high re-ignition risk. Whether it is a spreading liquid fire caused by flammable liquid leakage or liquid combustion in a confined space, it is very easy to expand the fire situation in a short time, resulting in equipment damage and casualties. The 120L foam tank mobile foam unit, as a specialized fire-fighting equipment targeting such fires, has become a "regular emergency tool" in multiple scenarios such as industrial production, warehousing and logistics, and municipal operations, relying on its core characteristics of flexibility and efficient fire control. Compared with fixed fire-fighting facilities, it does not require pre-embedded pipelines, is not restricted by installation location, and can be quickly transported to the fire scene by manpower or small vehicles, breaking spatial constraints. It intervenes and disposes quickly in the early stage of the fire, striving for precious golden time for subsequent fire rescue and minimizing disaster losses.
Core Fire-Fighting Logic: Foam's "Asphyxiating" Protection
The core advantage of this unit does not rely on a single capacity or pressure parameter, but stems from the special mechanism of action combining foam fire extinguishing agent and unit structure, realizing precise suppression of liquid fires. During fire fighting, the foam concentrate in the unit is mixed with water in a reasonable ratio, and then forms a large number of dense foam clusters through the spray component. These foams not only have good fluidity and can quickly spread along the surface of the burning liquid, but also expand rapidly upon contact with the fire source, forming a seamless heat-insulating and oxygen-isolating film. On the one hand, this film can completely block the contact between combustibles and oxygen in the air, inhibiting the continuous reaction from the core condition of combustion; on the other hand, the foam quickly absorbs heat from the fire source and simultaneously reduces the temperature of the flammable liquid during the spreading and covering process. Under the superposition of these two effects, it can not only quickly extinguish open flames, but also effectively prevent re-ignition. Compared with dry powder fire extinguishing agents, foam fire fighting does not produce dust pollution and has extremely low corrosion to precision equipment and valuable instruments. It is especially suitable for scenarios with special protection needs such as electronic workshops, laboratories, and precision processing workshops, maximizing the protection of on-site facilities while extinguishing fires.
It is worth noting that the mobility of the unit enables it to adapt to various complex and changing fire scenarios, making up for the inherent shortcomings of fixed fire-fighting systems. In narrow workshop corners and equipment-dense production areas, fixed fire sprinklers are often unable to cover hidden fire points, while this mobile unit, with its moderate size, can flexibly shuttle between equipment gaps and spray accurately at the fire source. In open warehousing sites and outdoor temporary operation areas, fires may be scattered or spread rapidly; the mobile foam unit can adjust its deployment position at any time, flexibly control the fire according to the change of the fire situation, and avoid the problems of "limited coverage and delayed response" of fixed systems. Especially for early-stage liquid fires, most of the fires are concentrated in local areas and have not spread yet. At this time, the mobile foam unit can reach the scene in the first place, quickly suppress the fire, and effectively prevent the fire from breaking through the initial defense line and evolving into a large-scale spreading liquid fire or explosion accident.
Application Scenarios: Precisely Matching Needs to Build a Solid Protection Line
The applicable scenarios of this mobile foam unit are highly targeted, covering multiple high-risk areas and becoming a "customized protection equipment" in different scenarios. In industrial production scenarios, areas such as organic solvent storage areas in chemical workshops, finished product stacking areas in lubricating oil warehouses, and raw material mixing areas in paint factories all have the risk of fire caused by flammable liquid leakage and volatilization. Once a leakage and combustion occurs in these areas, the fire is likely to spread along the liquid. The mobile foam unit can reach the site quickly, block the spreading path through foam coverage, and protect surrounding production equipment and pipelines. In municipal and outdoor scenarios, areas such as oil tank areas and gas pumps in gas stations, vehicle clusters in parking lots, and oil loading and unloading areas in docks have a high probability of sudden vehicle spontaneous combustion and oil leakage fires. Moreover, these scenarios are open and the fire location is uncertain. The mobility of the mobile foam unit can effectively make up for the coverage blind spots of fixed fire hydrants and fire sprinklers, flexibly respond to scattered fires, and prevent the fire from affecting surrounding personnel and facilities.
In addition, its protective value is particularly prominent in temporary operation sites and remote areas. In scenarios such as paint spraying processes in construction projects, temporary oil storage points in outdoor exhibitions, and mechanical lubrication areas in field operations, there is often a lack of perfect fixed fire-fighting configurations, and the operation environment is temporarily changing. The mobile foam unit can be used as the core temporary protection equipment, adjusting its deployment position along with the operation area to provide immediate safety guarantee for operators and on-site materials. For remote areas where fire trucks are difficult to reach quickly, such as mountainous mining areas and rural markets, or areas where rescue is delayed due to narrow roads and traffic jams, the unit can be pre-deployed at key locations or carried by staff in vehicles. It can respond quickly when a fire occurs, greatly shortening the emergency disposal time and avoiding the expansion of the fire due to delayed rescue.
Usage and Maintenance: Keeping Equipment in Combat Readiness
Efficient fire-fighting equipment is inseparable from standardized operation and scientific daily maintenance. These two links directly determine whether the equipment can operate normally and exert the best fire-fighting effect in emergencies. Two core principles must be followed during use: first, the compatibility of fire extinguishing agents. Different types of flammable liquids need to be matched with corresponding types of foam concentrates. For example, for water-insoluble liquids such as gasoline and diesel, fluoroprotein foam or aqueous film-forming foam should be selected to avoid foam inability to adhere and fire-fighting failure due to improper agent type. Second, operational standardization. During deployment, the upwind direction should be preferred to ensure that the foam can accurately cover the fire source under the action of wind. At the same time, a safe distance should be maintained from the edge of the burning area to prevent personnel burns caused by splashing high-temperature liquid. The spray angle should be controlled during spraying to avoid excessive foam dispersion affecting coverage efficiency. For spreading liquid fires, spray in the reverse direction of the fire spread to gradually compress the fire range.
The core of daily maintenance is to maintain the tightness of the unit, the smoothness of the spray component, and the effectiveness of the fire extinguishing agent, and a regular maintenance mechanism must be established. In terms of sealing performance, it is necessary to regularly inspect the foam tank body, pipeline interfaces, valves and other parts for leakage, aging and cracking. Hidden dangers should be found and sealing parts replaced in a timely manner to ensure no pressure leakage during pressurized spraying. In terms of fire extinguishing agent management, the state of the foam concentrate should be regularly inspected for stratification, turbidity, precipitation and other deterioration phenomena. At the same time, it should be replaced in a timely manner in strict accordance with the shelf life requirements to avoid fire-fighting failure due to agent ineffectiveness. In terms of spray component maintenance, the nozzles and pipelines should be regularly disassembled to remove residual foam residues and impurities inside to prevent blockage affecting spray effect. In addition, the moving parts such as the unit's wheels and handrails should be regularly inspected and lubricated to ensure flexible and smooth transportation without jamming failures, and to maintain combat readiness for emergency use at any time.
As a mobile foam fire-fighting equipment with flexibility, efficiency and pertinence, the 120L foam tank unit plays a key role as a "mobile protection barrier" in the fire prevention and control system. It not only fills the protection gap of fixed fire-fighting facilities in complex scenarios and temporary areas, but also intervenes quickly in the early stage of fires to curb disaster expansion from the source. For users and staff, mastering its core fire-fighting logic, standardized operation procedures and regular maintenance points is not only the full exertion of equipment performance, but also an effective guarantee for personal and property safety. Only by implementing equipment management in place can we respond calmly to sudden fires and minimize disaster losses.
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Lidong Industrial Zone, Meilin Street, Nan'an, Quanzhou City.
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we mainly have: water system accessories, stainless steel fire boxes and foam fire hydrant box accessories, valve accessories, intelligent above-ground hydrants and intelligent end-of-line test devices and automatic fire cannons, as well as accessories and fire equipment and valve product OEM processing.