High-pressure fine mist

1. High-pressure fine water mist fire suppression technology is a clean fire suppression method that uses water as the medium, employing special nozzles to spray fine water mist under specific working pressure for fire extinguishing or control.

2. High-pressure fine water mist can provide protection to the protected objects through various methods, including extinguishing fires, suppressing flames, controlling temperatures, and reducing dust.

3. High-pressure fine water mist not only provides water-saving, safe, and environmentally friendly fire extinguishing functions but also has unique smoke, temperature, and toxicity reduction capabilities.

4. High-pressure fine water mist can quickly isolate the fire source, effectively degrade and seal the smoke and toxic gases at the fire scene, create an escape route, and is beneficial for personnel evacuation and the protection of firefighters' lives.

5. The High-Pressure Fine Mist Firefighting Technology series products have become an effective solution to various fire challenges, thanks to their advanced extinguishing, cooling, and smoke suppression mechanisms and excellent performance.

6. High-pressure fine water mist fire protection products are suitable for extinguishing Class A, B, C, and electrical fires, and can be applied on land, at sea, and in space, particularly effective for high-risk environments.

7. The versatile applications of high-pressure fine water mist technology in various locations reflect the integrated development approach of "fire extinguishing effect, personal safety, and environmental protection."

8. Rapidly extinguish initial stage fires with high-pressure fine water mist, saving water, safe and environmentally friendly.

9. High-pressure fine mist is lightweight, easy to operate, and can be carried by one person for fire extinguishing, offering convenience and speed.

10. High-pressure fine water mist with built-in water tank, also capable of connecting to external water sources. It can spray and replenish water simultaneously, offering strong continuous fire suppression capabilities.

11. High-pressure fine water mist system powered by gasoline engine and high-energy battery, with the ability to switch between long and short-range nozzles, easy to operate, and excellent fire extinguishing effect.

12. High-pressure fine mist systems are configured on various security patrol vehicles, achieving integrated patrol and defense functions. They can also be easily detached from the vehicle for use, offering flexibility and mobility.

13. High-pressure fine water mist is particularly suitable for initial fire control in densely populated areas such as cities, communities, large conferences (events) in shopping malls, narrow city streets, ancient architectural complexes, elevated roads and tunnels with heavy traffic and vehicle density.

14. Cart-mounted Fine Mist Gun: Suitable for subway halls, railway stations, tunnels, industrial factories, warehouses, commercial venues, communities, cultural heritage buildings, chemical units, oil depots, power plants, large data centers, and construction sites.

15. Pushcart-style Fine Mist Gun: Powered by gasoline engine or high-energy battery, it is portable and versatile for easy movement. It can be used as a mobile mini fire station for rapid deployment.

16. Pushcart-type Fine Mist Gun: Equipped with a water tank and capable of connecting to an external water source. It can spray and replenish water simultaneously, ensuring continuous fire suppression.

17. Cart-mounted Fine Mist Gun: Offers remote and close-range nozzle conversion, with minimal recoil for the nozzle, and convenient fire extinguishing operation.

18. Vehicle-mounted Fine Mist Gun: Achieves near-range, long-range, and high-rise fire suppression up to 500 meters.

19. Vehicle-mounted Fine Mist Gun: Equipped on pickup trucks, vans, and also available with vehicle options according to customer requirements, serving as a light-duty fire truck.

20. Vehicle-mounted Fine Mist Spray Gun: Equipped on existing fire trucks, providing a multifunctional fire suppression method and effect.

21. The high-pressure fine water mist fire extinguishing device is a new technology in water-based fire suppression systems. It is an automatic fire-fighting water supply system that extinguishes fires by generating fine water mist through special nozzles from high-pressure water.

22. The high-pressure fine water mist fire suppression system boasts dual fire suppression effects of cooling and asphyxiation, capable of washing away smoke and toxic gases, blocking heat radiation, saving water, and being environmentally friendly and safe. Its application range is extremely broad.

23. Our company boasts not only the research and development capabilities for high-pressure fine mist fire suppression systems but also the production capacity for the system's key equipment.

24. Our high-pressure fine mist fire suppression system series offers a three-dimensional protection for building systems.

25. The high-pressure fine water mist fire extinguishing device features three control modes: automatic, manual, and mechanical emergency. It can be interconnected with an automatic alarm system, allowing for direct输送 to high-rise buildings from a distance. The system is simple, with stable performance and reliable operation.

26. The high-pressure fine water mist fire extinguishing device has no impact on humans during spraying, truly reflecting the design principle of people-oriented, and is an inevitable trend in the development of building fire protection.

27. Our project includes: High-pressure Fine Mist Automatic Fire Extinguishing Devices (Open Type, Closed Type), High-pressure Fine Mist Fire Hydrant System, and High-pressure Fine Mist Fire Retardant Separation System.

28. Technical Features of High-Pressure Fine Mist Fire Extinguishing System: Energy-saving, safe, and environmentally friendly: Uses water as the extinguishing agent, harmless to people and objects; Low water consumption, minimal water residue left behind.

29. Technical Features of High-Pressure Fine Water Mist Fire Extinguishing System: Continuous fire extinguishing, high fire extinguishing efficiency, effectively prevents re-ignition of fires.

30. Technical Features of High-Pressure Fine Mist Fire Extinguishing Device: Excellent electrical insulation properties, effectively extinguishes electrical fires.

31. Technical Features of High-Pressure Fine Water Mist Fire Extinguishing System: Shields radiant heat, achieving the effect of preventing fire spread and quickly controlling the fire.

32. Technical Features of High-Pressure Fine Mist Fire Extinguishing Device: Purifies smoke and toxic gases, conducive to personnel evacuation and firefighters' extinguishing and rescue operations.

33. Technical Features of High-Pressure Fine Water Mist Fire Extinguishing Device: Wide application range, suitable for both open and enclosed protection areas.

34. Technical Features of High-Pressure Fine Water Mist Fire Extinguishing Equipment: Flexible configuration, easy installation, and convenient maintenance; high cost-performance ratio, reliable operation, all systems are made of stainless steel, with a long service life.

35. High-pressure fine water mist fire extinguishing system application scope: Suitable for extinguishing Class A, B, C, and electrical fires. Can be used in: libraries, archives, ancient buildings, machinery rooms, electrical equipment rooms, low-voltage and high-voltage switchgear rooms.

36. High-pressure fine mist fire suppression system applications: Power transformer rooms, outdoor transformers, fuel-gas boiler rooms, diesel generator rooms and oil storage rooms, commercial and residential buildings, subway control centers, computer and communication rooms, cable galleries, cable tunnels, underground pipelines, underground tunnels, large transportation vehicles, petrochemical industry facilities, and other locations.

37. High-pressure Fine Water Mist Fire Extinguishing Systems: Designed according to the requirements of the protected object, the high-pressure fine water mist automatic fire extinguishing systems are available in two types: open-type and closed-type fine water mist fire extinguishing systems. Both systems operate at a rated working pressure of 16MPa, and the pump units come in two models: 70L/min and 130L/min.

38. Open Type High-Pressure Fine Mist Fire Extinguishing System: Suitable for locations with rapid fire spread and high fire hazard levels.

Closed High-Pressure Fine Mist Fire Extinguishing System: Suitable for areas with slow fire spread and low fire hazard levels.

40. High-pressure fine mist fire extinguishing system: The pipeline is always filled with low-pressure water in normal conditions. The system's working pressure and flow rate are designed and configured as needed, allowing for a single water supply to remote locations or high-rise buildings.

41. High-pressure Fine Mist Fire Extinguishing System: Can be deployed for fire extinguishing immediately upon detection. Simple operation process, with the ability to switch between remote and close-range nozzles freely. Low recoil force, making it easy for non-professionals to use quickly. Water-saving, safe, and environmentally friendly.

42. High-Pressure Fine Mist Fire Separation System: The high-pressure fine mist fire separation system is in an open state during normal operation, with no water in the pipeline. When in operation for misting, it does not obstruct pedestrian traffic.

43. High-pressure Fine Water Mist Fire Separation System: Can be designed as an integrated unit with high-pressure fine water mist automatic fire extinguishing devices. It is equipped with high-pressure fine water mist open spray heads over a large area for rapid smoke and temperature reduction, effectively addressing the hazards of high-temperature smoke to human health.

44. High-pressure fine mist fire separation system: Can replace fire curtains within buildings and open-style fire doors, without affecting the flow of equipment, personnel, and materials, while also serving to separate fires, sanitize air, degrade smoke, and lower temperatures.

45. High-pressure fine mist fire separation system: Suitable for underground parking garages, large-scale logistics warehouses, large open spaces, production assembly lines, automatic car painting and baking lines, conveyor belts, subway platforms, train barrier doors, elevator lobbies, halls, and other locations.

46. The pipe network system of the high-pressure fine water mist fire suppression system uses stainless steel pipes (304) with rust-resistant properties, as once rust occurs, the rust deposits in the pipeline can block the nozzles, leading to system failure. The cleanliness of the pipe network system is crucial for the high-pressure fine water mist fire suppression system, hence it must be strictly flushed, pressure tested, and swept after the pipes are installed. All pipes are焊接 using the TIG welding method.

47. High-pressure fine mist pump set (water supply unit) system composition: consists of fine mist nozzles (open, closed), filters, zone control valve sets (boxes), water tanks, and stainless steel pipes, etc.

48. High-pressure fine mist pressure switch:

1. Loosen the top screw of the pressure switch and remove the cover.

2. Connect one cable wire to the common terminal.

3. Connect the additional cable wire to the normally open contact.

4. After wiring is complete, securely close the lid and tighten the screws to restore to its original state.

49. High-pressure fine mist open system working principle: In the standby condition, the fine mist system maintains a certain pressure from the pump group outlet to the pipeline before the zone control valve box. When the pressure drops below the set start pressure of the pressure maintenance pump by 1 MPa, the pressure maintenance pump starts up, keeping the system pipeline at a stable pressure of (1-1.2) MPa.

50. High-pressure fine mist open system working principle: Upon detection of a fire signal by the detector, the fire alarm control main unit transmits the signal to the electric ball valve within the pump group control cabinet and the zone control valve box. The high-pressure plunger pump automatically starts, and the electric ball valve in the zone control valve box opens. High-pressure water forms a mist through pipes and nozzles to extinguish the fire.

51. High-pressure fine mist open system working principle: The pressure switch feedback system in the zoning control valve box sends out a spray signal, upon which the main unit receives the feedback signal and联动ly activates the spray indicator light.

52. High-pressure fine mist closed system working principle: In the quasi-operational state, the fine mist system maintains a certain pressure in the pipeline from the pump group outlet to the valve box before the zoning control, when the pipeline pressure drops and falls below the set starting pressure of the pressure maintenance pump by 1Mpa, the pressure maintenance pump starts up to maintain a stable pressure in the system pipeline (1-1.2 MPa).

53. High-pressure fine mist closed-loop system working principle: Upon detection of a fire signal by the detector, the fire alarm control main unit transmits a signal to the pump group control cabinet. The high-pressure plunger pump starts up, and the electric ball valve in the zone control valve box opens. The entire pipeline network is filled with high-pressure water. When the glass ball in the closed spray head reaches the action temperature, it shatters, and the high-pressure water forms a mist through the nozzle for fire extinguishing.

54. High-pressure fine mist closed-loop system working principle: The pressure switch feedback system in the zone control valve box sends a discharge signal, upon which the main unit receives the feedback signal and联动ly turns on the spray indicator light.

55. Automatic startup of high-pressure fine mist system: When a fire occurs within the protected area, the fire detector detects the fire and sends a signal to the fire alarm controller. The fire alarm controller confirms the area of the fire based on the address of the fire detector, then sends a control signal to initiate the fire extinguishing system, starting the high-pressure plunger pump and opening the corresponding section control valves.

56. Automatic startup of high-pressure fine mist system: After the division valve is opened, water in the system pipeline quickly reaches working pressure (closed pre-action system waits for the closed spray head to sense the burst temperature, then the glass ball automatically bursts), and sprays fine mist through high-pressure fine mist nozzles to extinguish fires.

57. High-pressure fine mist system manual electrical start: Remote start: When a person detects a fire, before the fire detector activates, the electric valve button for the corresponding zone control valve box at the remote fire control center can be used to initiate the start of the zone valve. The pump can automatically start to supply water and extinguish the fire.

58. High-pressure fine water mist system manual electrical start: On-site start: When a fire is detected, the local section control valve box can be opened to activate the area valve by pressing the area valve control button for fire extinguishing.

Mechanical emergency start for high-pressure fine water mist system: Can manually operate the handle on the area valve in the event of failure of the fire alarm system to open the area valve for extinguishing. Note: Emergency start for closed fine water mist system can be achieved by smashing the glass ball of the closed spray head.

High-pressure fine mist is produced by professional equipment under low design working pressure, with a mist droplet cumulative distribution of Dv0.99 < 300μm on a plane 1m from the nozzle. High-pressure mist has functions such as cooling, humidifying, dust suppression, fire prevention, and landscaping, and can be used in industrial, breeding, planting, and entertainment fields.

61. Fire extinguishing mechanism of high-pressure fine water mist: rapid cooling and local asphyxiation – advanced dual-action fire extinguishing mechanism: when water is ejected from a nozzle of a special material, it forms a mist with particle sizes between 10-100 micrometers, having a small specific surface area. Upon contact with fire, it quickly vaporizes, expanding its volume by 1700-5800 times, absorbing a large amount of heat and rapidly reducing the temperature of the burning surface; simultaneously, the vaporized water forms steam, enveloping and covering the entire combustion area, causing the fire to be asphyxiated due to lack of oxygen.

62. The extinguishing mechanism of high-pressure fine water mist: The heat absorption is calculated based on the latent heat of 100℃ water vaporization at 2257 kJ/kg. Each fine water mist nozzle absorbs heat at a rate of approximately 300 kW per kilogram of fine water mist emitted, demonstrating its high heat absorption rate and strong cooling effect.

63. Suppression Mechanism of High-Pressure Fine Water Mist Fire Extinguishing: Asphyxiation effect - upon heating, the fine water mist vaporizes and expands rapidly up to 1,700 to 5,800 times in volume, enveloping the burning material with a dense cloud of steam. This forms a barrier that blocks the entry of fresh air. This deprivation of oxygen causes the combustion to cease.

64. High-pressure fine water mist fire extinguishing mechanism: After the fine water mist evaporates, the resulting steam quickly envelops the burning material, flames, and smoke, effectively blocking the radiant heat of the flames, preventing the spread of the fire.

65. The fire extinguishing mechanism of high-pressure fine water mist: In addition to its smoke and dust suppression effects, high-pressure fine water mist also cleans smoke and debris. This is because the ash, carbon particles, and harmful gases from combustion adhere to the fine water droplets, thereby being cleaned away. Statistics show that in fire accidents, 70% of the deaths are not caused by direct burns, but by smoke and toxic gas inhalation from high temperatures.

66. Suppression Mechanism of High-Pressure Fine Water Mist: Penetration action—explains its effectiveness in extinguishing oil fires. The high-speed mist particles can penetrate the surface of the burning oil, wetting the material and preventing the generation of further flammable gases. Additionally, due to the small size of the mist particles, they do not disturb the liquid surface, causing splashes, thereby achieving the goals of extinguishing fires and preventing their spread.

67. Fire Extinguishing Mechanism of High-Pressure Fine Water Mist: Three-dimensional Movement – Explanation for Full or Partially Filling the Protected Area. During the atomization of high-pressure fine water mist, some smaller droplets do not travel solely in the direction of the jet. They exhibit lateral and upward swirling movements, entering the upper space of the nozzle. This allows the fine water mist to fill the entire space of the protected area. The smaller the droplet size, the more pronounced the lateral transfer phenomenon. This is also referred to as three-dimensional fire extinguishing.

68. The extinguishing mechanism of high-pressure fine water mist: Explanation for its ability to extinguish electrical fires and why it does not conduct electricity when extinguishing electrical fires: The droplet diameter is small (10-100 micrometers), and the spray is discontinuous, allowing it to remain suspended in the air for a long time. It takes a large quantity and a significant amount of time to coalesce and condense into mist, making it difficult to form a continuous conductive water flow or surface area on the electrode surface, and its resistivity is slightly lower than that of air.

69. The open-type fine water mist fire extinguishing system utilizes water as a medium and employs special atomizing nozzles to break the water flow into tiny droplets under specific pressure (usually 14 MPa) for fire extinguishing. It is a fixed fire protection system characterized by economy and broad application scope, and has become a key technology replacing Halon fire extinguishing systems, with a promising future in various applications.

70. Composition and Working Principle of High-Pressure Fine Water Mist: The fine water mist fire extinguishing system consists of a high-pressure fine water mist storage tank, a pump unit for the fine water mist fire extinguishing system (including a high-pressure main pump, a high-pressure standby pump, a pressure-regulating pump, a control cabinet for the pump unit, an inlet solenoid valve, an inlet filter, and a regulating water tank), a water supply system, a water supply network, a group of zone control valves for the fine water mist fire extinguishing system, fine water mist nozzles, high-pressure fine water mist piping, and a fire detection and alarm system.

71. Fine Water Mist Fire Suppression System Maintenance and Care: 1) The pump unit and area valve group should only be put into operation after passing the commissioning acceptance and fire safety inspection. 2) The system maintenance personnel should regularly inspect, test, and maintain the fine water mist fire suppression system according to the fine water mist standards and the requirements of this manual to ensure the system operates in good condition.

72. Fine Water Mist Fire Extinguishing System Maintenance and Care: 1) The operation and management of the system should establish operational and maintenance procedures, clarify the responsibilities of the managers, and operators must undergo professional training.

Before shutting off the valve group or the alarm detection device, it is mandatory to notify the relevant property management units and the fire control center to ensure no false alarms will be triggered.

73. Maintenance and Care of Fine Water Mist Fire Extinguishing Systems: 1) During system shutdown for inspection, a manual patrol of the controlled fire area must be conducted until the inspection is complete and the system is restored for use. 2) During maintenance and care, if any issues arise, please carefully inspect and eliminate the problems, investigate the possible causes, and the measures taken.

74. Fine Water Mist Fire Suppression System Precautions: 1) Establish appropriate safety measures for all equipment. 2) Operations and maintenance must be performed by personnel trained in the relevant fields. 3) Before operating or maintaining, please carefully read this manual and follow the procedures outlined in it. 4) For any questions, please consult with the relevant technical personnel.

75. Important Notes for Fine Water Mist Fire Extinguishing System: 1) Please contact our technical staff and the engineering construction unit's technical staff before maintenance or inspection. 2) Operations not conducted according to this manual may result in unquantifiable losses. 3) Failure to strictly follow the maintenance and maintenance requirements in this manual may cause the high-pressure fine water mist fire extinguishing system to fail during a fire, leading to catastrophic disasters. 4) In case of emergencies not covered by this manual or training explanations, please contact our company immediately.