CN212756939U - High-pressure water mist system for fire fighting - Google Patents
High-pressure water mist system for fire fighting Download PDFInfo
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- CN212756939U CN212756939U CN202021289700.4U CN202021289700U CN212756939U CN 212756939 U CN212756939 U CN 212756939U CN 202021289700 U CN202021289700 U CN 202021289700U CN 212756939 U CN212756939 U CN 212756939U
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Abstract
The utility model relates to a high-pressure water mist system for fire fighting, which belongs to the technical field of building fire fighting construction and comprises a pump set, a regional valve set and a water supply device, wherein the pump set, the regional valve set and the water supply device are communicated through pipelines, the regional valve set comprises a plurality of primary partition control valves, and the primary partition control valves are connected with a plurality of secondary partition control valves; the secondary partition control valve is positioned in the secondary protection area; a plurality of spray heads communicated with the secondary zone control valve are connected in the secondary protection zone by pipelines; the pump unit is connected with a control cabinet for controlling the pump unit. The high-pressure water mist system of the utility model can effectively extinguish the fire of the live equipment because the sprayed water mist is very fine and discontinuous and can not form a conductor; the water consumption is low, secondary disasters caused by a large amount of drainage are avoided, and water is used as a fire extinguishing agent, so that the environment, a protected object and protected area personnel are not damaged and polluted.
Description
Technical Field
The utility model belongs to the technical field of the technique of building fire control construction and specifically relates to a fire control is with thin water smoke system of high pressure.
Background
The fire-fighting spraying system is a fixed fire-fighting facility which is widely applied at present, has the characteristics of low price, high fire-fighting efficiency and the like, and can be divided into two forms of manual control and automatic control according to different functions. The system is provided with the alarm device, can automatically send out an alarm when a fire disaster occurs, and the automatically controlled fire-fighting spraying system can automatically spray and work in linkage with other fire-fighting facilities, so that the initial fire disaster can be effectively controlled and extinguished.
The prior Chinese utility model with the granted publication number of CN206896644U discloses a fire-fighting spray system, which comprises a spray pump connected with a water supply pipeline, wherein the spray pump is connected with a spray pipe network, and the spray pipe network is connected with a floor spray system through a first filter and a pilot-operated pressure reducing valve connected behind the first filter; the spraying pump is connected with a pressure relief return water tank through a first safety valve, a second filter is connected between the spraying pump and the first safety valve, the spraying pipe network is further provided with a bypass in parallel connection with the first safety valve, and a test valve and a first flowmeter are arranged on the bypass.
The above prior art solutions have the following drawbacks: in special places, especially in special places which are afraid of water and fire, such as archives, distribution substations and pump rooms, the spraying fire-fighting system is not suitable for being used in the places, and the spraying fire-fighting system is not suitable for being used in the places when people are on duty.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high-pressure water mist system for fire fighting, which can effectively extinguish the fire of live equipment because the sprayed water mist is very fine and discontinuous and can not form a conductor; the water consumption is low, secondary disasters caused by a large amount of drainage are avoided, and water is used as a fire extinguishing agent, so that the environment, a protected object and protected area personnel are not damaged and polluted.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a high-pressure water mist system for fire fighting comprises a pump set, a regional valve group and a water supply device, wherein the pump set, the regional valve group and the water supply device are communicated through a pipeline, the regional valve group comprises a plurality of primary partition control valves, and the primary partition control valves are connected with a plurality of secondary partition control valves; the secondary zone control valve is positioned in the secondary protection zone; a plurality of spray heads communicated with the secondary zone control valve are connected in the secondary protection zone by pipelines; the pump unit is connected with a control cabinet for controlling the pump unit.
By adopting the technical scheme, water in the water supply device is conveyed into a pipe network by utilizing the pump set, the secondary subarea control valve is used for fire extinguishing control of the secondary protection area, the primary subarea control valve is used for fire extinguishing control of a plurality of secondary protection areas, and after the secondary control valve of the secondary protection area is opened, the corresponding primary subarea control valve is opened to enable high-pressure water to enter a pipeline in the secondary protection area and form high-pressure water mist to be sprayed out through the spray head, so that the high-pressure water mist can extinguish fire efficiently and can not damage a protected object; the control valves arranged in stages enable fire suppression of larger protected areas in segments, enabling fire suppression operations to be carried out more accurately.
The utility model discloses further set up to: and a fire detector and an audible and visual alarm are arranged in the secondary protection area, the fire detector and the audible and visual alarm are electrically connected with a fire alarm controller, and the fire alarm controller is electrically connected with the control cabinet.
By adopting the technical scheme, the fire detector feeds fire information back to the fire alarm controller, and the fire alarm controller timely informs the fire information outwards through the audible and visual alarm and enables the control cabinet to start the pump set for fire extinguishing operation, so that automatic fire extinguishing of the high-pressure water mist system is realized.
The utility model discloses further set up to: and an emergency start-stop button electrically connected with the fire alarm controller is arranged in the secondary protection area.
By adopting the technical scheme, the emergency control system is used for carrying out emergency control when the fire detector fails and cannot timely transmit fire information or mistransmit the fire information.
The utility model discloses further set up to: the water supply device comprises a water tank and an automatic water replenishing device for controlling the water quantity of the water tank.
Through adopting above-mentioned technical scheme, be in all the time in making the water tank and have the water state, avoid when producing the conflagration because the water yield is not enough in the water tank and lead to the untimely condition emergence of putting out a fire.
The utility model discloses further set up to: the automatic water replenishing device comprises a water level sensor arranged in the water tank and a water inlet electromagnetic valve positioned on a water inlet pipeline of the water tank.
By adopting the technical scheme, when the water level sensor monitors that the water level in the water tank is reduced to the lowest water level, the water inlet electromagnetic valve is opened to supplement water into the water tank, and when the water level sensor monitors that the water level in the water tank is increased to the highest water level, the water inlet electromagnetic valve is closed, so that the existing water in the water tank can only be used for extinguishing fire. The water level sensor controls the water inlet electromagnetic valve to be opened to realize automatic water supply and water quantity control of the water tank.
The utility model discloses further set up to: and a water inlet filter is arranged on the water inlet pipeline of the water tank.
Through adopting above-mentioned technical scheme, the filter of intaking is used for carrying out the filtering operation to the water that gets into the water tank, guarantees the cleanness of the water that gets into in pump package and the pipe network, avoids blockking up the shower nozzle because of there being impurity in the aquatic.
The utility model discloses further set up to: and a pipeline between the pump group and the regional valve group is provided with a pressure sensor, an unloading valve and a safety valve which are communicated with the pipeline.
By adopting the technical scheme, the normal pressure in the pipe network is ensured by utilizing the unloading valve and the safety valve, and the overhigh pressure in the pipe network is avoided.
The utility model discloses further set up to: the area valve block comprises a pneumatic valve block.
By adopting the technical scheme, the leakage rate of the pneumatic valve is low, and the starting is quicker and more reliable than that of an electromagnetic/electric valve, so that the reliability of the high-pressure water mist system can be ensured.
The utility model discloses further set up to: the pneumatic valve bank is connected with an air compressor.
Through adopting above-mentioned technical scheme, the air compressor machine provides the compressed air who maintains work for pneumatic valves, guarantees that pneumatic valves can in time open.
The utility model discloses further set up to: the pump unit comprises a fire pump and a pressure stabilizing pump.
By adopting the technical scheme, the pressure stabilizing pump is used for maintaining the pressure of the main pipe network of the system under the non-fire working condition.
To sum up, the utility model discloses a beneficial technological effect does:
1. the starting valve groups are classified and arranged in a plurality of groups, so that accurate fire extinguishing of high-pressure water mist in a large-scale area can be met, fire can be extinguished efficiently, and a protected object cannot be damaged;
2. the automatic water replenishing device is arranged on the water tank, so that the situation that fire extinguishment is not timely caused by insufficient water in the water tank when a fire disaster occurs is avoided, and the overflow caused by overhigh water level in the water tank can be avoided;
3. through setting up water filter, guarantee the cleanness of the water that gets into in pump package and the pipe network, avoid impurity to get into the shower nozzle and cause the jam of shower nozzle and influence the fire extinguishing.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the water supply apparatus of the present invention;
figure 3 is a schematic structural view of the pump group of the present invention;
fig. 4 is a schematic structural diagram of the area valve group of the present invention.
In the figure, 1, a pump group; 11. a fire pump; 12. a pressure stabilizing pump; 13. a safety valve; 14. an unloading valve; 15. a pressure sensor; 2. a regional valve group; 21. a primary zone control valve; 22. a secondary zone control valve; 23. a pneumatic valve bank; 24. an air compressor; 3. a water supply device; 31. a water tank; 32. an automatic water replenishing device; 321. a water level sensor; 3211. a high water level sensor; 3212. a low water level sensor; 322. a water inlet electromagnetic valve; 33. a liquid level meter; 34. a drain valve; 35. a water inlet filter; 4. a pipeline; 5. a spray head; 6. a control cabinet; 7. a fire alarm controller; 71. a fire detector; 72. an audible and visual alarm; 73. an emergency start-stop button; 8. a primary guard zone; 81. a secondary protection zone; 9. and (7) a drainage ditch.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a fire control is with thin water smoke system of high pressure, including pump package 1, regional valves 2 and for pump package 1 provide the water supply installation 3 at water source. The pump group 1, the regional valve group 2 and the water supply device 3 are connected through a stainless steel pipeline 4. The water supply device 3 comprises a water tank 31 connected to the pump group 1 and an automatic water replenishing device 32 located between the water tank 31 and the water supply network.
The pump unit 1 is connected with a control cabinet 6. The control cabinet 6 controls the operation of the whole system, records and calculates all measured values of the pump unit 1, processes fault signals, and the power supply voltage of the control cabinet 6 can be determined according to the requirements of users. The control cabinet 6 is provided with a liquid crystal display screen, and all process control functions of the system are completed by a PLC except manual control.
The utility model discloses a thin water smoke system's of high pressure protecting area includes a plurality of one-level protecting area 8, and one-level protecting area 8 divide into a plurality of second grade protecting area 81. In this embodiment, the number of the first-stage protection zones 8 is three, and each stage of the protection zone 8 includes two second-stage protection zones 81.
A plurality of spray heads 5 positioned on the pipeline 4 are arranged in the secondary protection area 81. A fire detector 71 and an audible and visual alarm 72 are also arranged in the secondary protection area 81, the fire detector 71 and the audible and visual alarm 72 are both electrically connected with a fire alarm controller 7, and the fire alarm controller 7 is electrically connected with the control cabinet 6.
When the fire detector 71 in the secondary protection area 81 detects that a fire disaster occurs, the information of the fire disaster is fed back to the fire alarm controller 7, the fire alarm controller 7 controls the audible and visual alarm 72 to give an alarm and transmits the information to the control cabinet 6, the control cabinet 6 starts the pump set 1 to supply water and opens the secondary subarea control valves 22 and the corresponding primary subarea control valves 21 in the secondary protection area 81, and high-pressure water mist is sprayed out from the spray head 5 to perform fire extinguishing operation.
An emergency start-stop button 73 is further arranged in the secondary protection area 81, and the emergency start-stop button 73 is electrically connected with the fire alarm controller 7.
Referring to fig. 2, the automatic water supply apparatus includes a water inlet solenoid valve 322 provided on a water inlet pipe 4 of the water tank 31, and a water level sensor 321 provided in the water tank 31. The water level sensor 321 includes a high water level sensor 3211 disposed at an upper portion of the water tank 31 and a low water level sensor 3212 disposed at a lower portion of the water tank 31. When the water level sensor 321 detects that the water level in the water tank 31 is reduced to the minimum level, the water inlet electromagnetic valve 322 is opened to supplement water into the water tank 31, and when the water level sensor 321 detects that the water level in the water tank 31 is increased to the maximum level, the water inlet electromagnetic valve 322 is closed, so that fire can be extinguished only by using the water in the water tank 31. The water level sensor 321 controls the water inlet electromagnetic valve 322 to open to realize automatic water supplement and water quantity control of the water tank 31.
A liquid level meter 33 is further disposed on the outer wall of the water tank 31 for observing the water level in the water tank 31.
The water level sensor 321 and the liquid level meter 33 are fed back to the PLC control cabinet to display data such as actual water level, minimum/maximum water level and the like.
A drainage ditch 9 positioned on the ground is arranged below the water tank 31. A drain valve 34 is provided at the bottom of the water tank 31. The drain valve 34 is used for emergency drainage when the water level of the water tank 31 is excessively high. The drain valve 34 drains the water in the water tank 31 through the drain 9.
Still be provided with water filter 35 between water supply pipe network and the solenoid valve 322 of intaking on water tank 31's the inlet channel 4, water filter 35 in this embodiment is the filter screen, and the filter screen is stainless steel material, and the aperture is 100 um.
With reference to fig. 3, the pump unit 1 comprises a fire pump 11 and a surge pump 12. The fire pump 11 in this embodiment is provided in two, and the pressure maintaining pump 12 is provided in one. The fire pump 11 and the pressure stabilizing pump 12 are communicated with the main water pipeline 4 and interfere complementarily. The pressure stabilizing pump 12 in this embodiment is used to maintain the pressure of the system main pipe network at 1.6MPa under the non-fire working condition.
And a drain valve is also arranged at the lower part of the pipeline 4 between the pump unit 1 and the regional valve group 2. The position of the pump unit 1 is the lowest point of the system, a water outlet of the pump unit 1 is provided with a water drain valve, and the water drain valve is used for discharging water in the high-pressure water mist system.
A pressure sensor 15 is also arranged on the pipeline 4 between the pump group 1 and the regional valve group 2. The pressure sensor 15 is used for monitoring the water pressure in the pipeline 4 in real time. An unloading valve 14 and a safety valve 13 communicating with the pipe 4 are provided on the pipe 4 at positions close to the pressure sensor 15. In this embodiment, when the outlet pressure of the pump group 1 exceeds 12MPa, the unloading valve 14 is actuated to maintain a stable outlet pressure; when the pressure of a system pipe network is more than 13.8MPa, the safety valve 13 automatically releases pressure.
Referring to fig. 4, the area valve block 2 includes a pneumatic valve block 23 and an air compressor 24 connected to the pneumatic valve block 23. The pneumatic valve group 23 has the functions of automatic opening, manual opening and closing and testing. The use of pneumatic valves has two advantages over electromagnetic/electric valves: firstly, the leakage rate of the pneumatic valve is low; second, pneumatic valves are more rapid and reliable to start than solenoid/electric valves. Air compressor machine 24 in this embodiment provides the air supply for pneumatic valves 23, and the gas production is 0.2 m/min, and compressed air volume is for maintaining the non-operating mode pressure and be 0.8Mpa, takes to open and stop feedback function. After the alarm system sends an opening signal to the valve bank, the valve bank is opened by 0.8MPa of compressed air provided by the air compressor 24, and water flows through the valve bank.
The implementation principle of the embodiment is as follows: the water in the water tank 31 is supplemented by the automatic water supplementing device 32 to ensure that the water source in the water tank 31 is sufficient. In the event of a fire in the secondary protected area 81, the fire detector 71 transmits fire information to the fire alarm controller 7, and the audible and visual alarm 72 gives an alarm to the outside. The pump unit 1 starts to supply high-pressure water to a pipe network under the control of the control cabinet 6, and after the high-pressure water reaches the secondary protection area 81, high-pressure water mist is sprayed out through the spray head 5 to carry out fire extinguishing operation.
The high-pressure water mist system water or the fire extinguishing agent of the utility model has no harm and pollution to the environment, the protected objects and the personnel in the protected area; the water consumption of the high-pressure water mist system is low, secondary disasters caused by large-amount water drainage are avoided, and particularly, protected objects can be prevented from being damaged by water in areas such as archives and libraries; the sprayed water mist is very fine and discontinuous, and does not form a conductor, so that the fire disaster of the live equipment can be effectively extinguished.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (10)
1. The utility model provides a fire control is with thin water smoke system of high pressure, includes pump package (1), regional valves (2) and water supply installation (3), pump package (1), regional valves (2) and water supply installation (3) are through pipeline (4) intercommunication, its characterized in that: the regional valve group (2) comprises a plurality of primary partition control valves (21), and the primary partition control valves (21) are connected with a plurality of secondary partition control valves (22); the secondary zone control valve (22) is positioned in a secondary protection zone (81); a plurality of spray heads (5) communicated with the secondary partition control valve (22) are connected in the secondary protection area (81) by pipelines (4); the pump unit (1) is connected with a control cabinet (6) for controlling the pump unit (1).
2. A fire fighting high pressure water mist system according to claim 1, characterized in that: and a fire detector (71) and an audible and visual alarm (72) are arranged in the secondary protection area (81), the fire detector (71) and the audible and visual alarm (72) are electrically connected with a fire alarm controller (7), and the fire alarm controller (7) is electrically connected with a control cabinet (6).
3. A fire fighting high pressure water mist system according to claim 2, characterized in that: and an emergency start-stop button (73) electrically connected with the fire alarm controller (7) is arranged in the secondary protection area (81).
4. A fire fighting high pressure water mist system according to claim 1, characterized in that: the water supply device (3) comprises a water tank (31) and an automatic water replenishing device (32) for controlling the water quantity of the water tank (31).
5. A fire fighting high pressure water mist system according to claim 4, characterized in that: the automatic water replenishing device (32) comprises a water level sensor (321) arranged in the water tank (31) and a water inlet electromagnetic valve (322) positioned on a water inlet pipeline (4) of the water tank (31).
6. A fire fighting high pressure water mist system according to claim 4, characterized in that: and a water inlet filter (35) is arranged on the water inlet pipeline (4) of the water tank (31).
7. A fire fighting high pressure water mist system according to claim 1, characterized in that: and a pipeline (4) between the pump group (1) and the regional valve group (2) is provided with a pressure sensor (15), and an unloading valve (14) and a safety valve (13) which are communicated with the pipeline (4).
8. A fire fighting high pressure water mist system according to claim 1, characterized in that: the area valve group (2) comprises a pneumatic valve group (23).
9. A fire fighting high pressure water mist system according to claim 8, characterized in that: the pneumatic valve set (23) is connected with an air compressor (24).
10. A fire fighting high pressure water mist system according to claim 1, characterized in that: the pump unit (1) comprises a fire pump (11) and a pressure stabilizing pump (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021289700.4U CN212756939U (en) | 2020-07-03 | 2020-07-03 | High-pressure water mist system for fire fighting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021289700.4U CN212756939U (en) | 2020-07-03 | 2020-07-03 | High-pressure water mist system for fire fighting |
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| Publication Number | Publication Date |
|---|---|
| CN212756939U true CN212756939U (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021289700.4U Active CN212756939U (en) | 2020-07-03 | 2020-07-03 | High-pressure water mist system for fire fighting |
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| CN (1) | CN212756939U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114042270A (en) * | 2021-11-25 | 2022-02-15 | 中车大连机车车辆有限公司 | Water mist fire extinguishing system with partition control releasing function and subway vehicle |
-
2020
- 2020-07-03 CN CN202021289700.4U patent/CN212756939U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114042270A (en) * | 2021-11-25 | 2022-02-15 | 中车大连机车车辆有限公司 | Water mist fire extinguishing system with partition control releasing function and subway vehicle |
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