Automatic tracking and positioning jet fire extinguishing system(The First Part)

Apr 24, 2023 | news

Automatic tracking and positioning jet fire extinguishing system is a new type of automatic fire extinguishing system emerging in recent years. The system uses water as the injection medium, uses infrared rays, ultraviolet rays, digital images, or other fire detection devices to detect smoke, temperature, flames, etc., automatically tracks and locates early fires, and uses automatic control methods to implement jet fire extinguishing.

fire sprinkler valves

The automatic tracking and positioning jet fire extinguishing system monitors the protection site in real time around the clock and collects and analyzes the fire signals on site. When a suspected fire occurs, the detection device captures relevant information and processes the information. If a fire source is found, it will automatically track and locate the fire source, and prepare for fixed-point (or fixed-area) jet (or spray) fire extinguishing, while emitting sound and light The alarm and linkage control command automatically start the fire pump, open the corresponding control valve, and the corresponding fire extinguishing device jets to extinguish the fire.

The system is a fixed fire protection system that integrates infrared and ultraviolet sensing technology, smoke sensing technology, computer technology, and mechatronics technology to realize fire monitoring and automatic fire extinguishing. The temperature rise is slow and it is difficult to install a closed automatic sprinkler system in a tall space.

Related Knowledge Terms

1. Auto tracking and target-ting jet suppression system

Using water as the jet medium, the detection device is used to automatically detect, track and locate the initial fire, and the automatic control method is used to realize the fixed fire extinguishing system of jet fire extinguishing, including fire extinguishing device, detection device, control device, water flow indicator, analog terminal Water testing device and main components such as pipe network and water supply facilities.

2. Automatic fire monitor system

The fire extinguishing device is an automatic tracking and positioning jet fire extinguishing system with a flow rate greater than 16L/s.

3. Eject type automatic jet system

The flow rate of the fire extinguishing device is not greater than 16L/s and not less than 5L/s, and the jet mode is an automatic tracking and positioning jet fire extinguishing system.

4. Spray type automatic jet system

The flow rate of the fire extinguishing device is not greater than 16L/s and not less than 5L/s, and the jet mode is a spray type automatic tracking and positioning jet fire extinguishing system.

5. Fire extinguishing device

Equipment for fire extinguishing by spraying water media in the form of jets, including automatic fire monitors, jet-type automatic fire-extinguishing devices, and spray-type automatic fire-extinguishing devices.

6. Fire detecting device

It is a device with the functions of automatically detecting and locating the fire source, and transmitting the fire source signal to the control device.

7. Control device

The control and information processing components of the system are capable of receiving and processing fire detection signals on time, sending out control and alarm information, driving fire extinguishing devices to extinguish fire at fixed points, receiving feedback and responding signals, and playing completing cor recording at the same time, and reporting to the fire alarm controller or fire linkage The controller is a device that transmits functions such as signals.

8. Automatic control

In the automatic state, the system automatically completes fire detection, and alarm, and activates the fire extinguishing device to implement a control method for fire extinguishing.

9. Manual control in fire control room

It is a control method in which the on-duty personnel manually start the fire water pump, open the control valve, and adjust the fire extinguishing device to aim at the fire source to extinguish the fire through the system control host operation panel installed in the fire control room.

10. Manual control on sir

After the on-site personnel discovers the fire, through the on-site control box, manually start the fire pump, open the control valve, adjust the fire extinguishing device to aim at the fire source. And also implement a control method to extinguish the fire.

fire extinguishing systems

Applicable places

The automatic tracking and positioning jet fire extinguishing system can be used to extinguish civil buildings, Class C production workshops, Class C warehouses, and the following places where the fire category is Class A:

  1. High and large space places with a headroom height greater than 12m;
  2. The headroom height is greater than 8m and not greater than 12m, and it is difficult to install an automatic sprinkler system in a tall space.

The automatic tracking and positioning jet fire extinguishing system shall not be used in the following places:

  1. There are often open fire operations;
  2. Not suitable for water protection;
  3. There is obvious occlusion;
  4. The horizontal spread of the fire is fast;
  5. shelf areas in high-bay warehouses;

Type Selection of Automatic Tracking and Positioning Jet Fire Extinguishing System

The selection of the automatic tracking and positioning jet fire extinguishing system should be determined according to the fire category, fire hazard level, environmental conditions, space height, protection area characteristics, and other factors of the installation site.

The type selection of automatic tracking and positioning jet fire extinguishing system should meet the following requirements:

1. A spray-type automatic jet fire extinguishing system should be selected for light-dangerous places ;

2. Spray-type automatic jet fire extinguishing system, automatic fire cannon fire extinguishing system should be used in medium-risk places;

3. Class C warehouses should use automatic fire monitor fire extinguishing systems;

4. One type of system should be adopted in the same protected area. When really necessary, a combination of the two types of systems can be used.