CN203886062U - Secondary-balance multi-point-output foam fire extinguishing system - Google Patents
Secondary-balance multi-point-output foam fire extinguishing system Download PDFInfo
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- CN203886062U CN203886062U CN201420291439.XU CN201420291439U CN203886062U CN 203886062 U CN203886062 U CN 203886062U CN 201420291439 U CN201420291439 U CN 201420291439U CN 203886062 U CN203886062 U CN 203886062U
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Abstract
The utility model relates to a secondary-balance multi-point-output foam fire extinguishing system. The secondary-balance multi-point-output foam fire extinguishing system comprises a fire-fighting pump set, a balance type proportional mixing device, a proportional mixer assembly and terminal emitting equipment, wherein the proportional mixer assembly is arranged in front of the terminal emitting equipment; fire-fighting water is filled in the fire-fighting pump set; foam liquid is filled in the balance type proportional mixing device; the fire-fighting pump set and the balance type proportional mixing device are equipped with pressure stabilizing devices; the fire-fighting pump set and the balance type proportional mixing device are respectively connected with a proportional mixer assembly by pipelines. The secondary-balance multi-point-output foam fire extinguishing system is characterized in that a pressure relief balance valve is arranged in the balance type proportional mixing device, and a pressure-limiting balance valve is arranged in the proportional mixer assembly; the pressure relief balance valve and the pressure-limiting balance valve are arranged in a foam fire-fighting system pipeline; pressure-relief effects and current-limitation effects on the foam liquid can be achieved by virtue of the two balance valves, and secondary balance of the system also can be realized by virtue of the two balance valves, so that quantity of terminal emitting equipment can be increased to realize balance of pressure at each part of the pipeline.
Description
Technical field
The utility model relates to a kind of froth fire extinguishing system, particularly a kind of secondary balance multiple spot foam output fire extinguishing system.
Background technology
The place extensive use froth fire extinguishing systems such as oil, chemical industry, ocean platform, tunnel, boats and ships; above-mentioned place scale is large; protected object is of a great variety; protected area is located dispersion; distance differs, and has both used the foam monitor of large flow, also uses the foam gun of low discharge; not only consider a kind of foam jet equipment single movement, also will consider that several spraying equipments work simultaneously.The conventional design of existing froth fire extinguishing system is according to protection place type and distribution situation; several foam stations are set; each foam station is transported to foam jet equipment place with piping; proportioner is arranged in foam station; this traditional froth fire extinguishing system has two shortcomings, and the first response time is slow, in the time of the breaking out of fire of somewhere; foam mixing liquid is full of pipe network needs certain hour, and it two is that foam solution waste is serious.In order to improve the response time, reduce the unnecessary waste of foam solution, reduce equipment cost, optimal design, to concentrating output mode to improve, adopts a foam station, multiple proportioner to be placed in terminal spraying equipment place, protects the pattern of multiple objects.
Utility model content
For solving the problems of the technologies described above, the utility model discloses a kind of new technical scheme.
The utility model provides a kind of secondary balance multiple spot foam output fire extinguishing system, this secondary balance multiple spot foam output fire extinguishing system comprises Fire Fighting Pumps, balanced type proportion mixing device, proportioner assembly and terminal transmitter, described proportioner assembly is arranged on before described terminal transmitter, in described Fire Fighting Pumps, fire water is housed, in described balanced type proportion mixing device, foam solution is housed, described Fire Fighting Pumps and described balanced type proportion mixing device are all provided with stable-pressure device, described Fire Fighting Pumps is connected described proportioner assembly by pipeline respectively with described balanced type proportion mixing device, in described balanced type proportion mixing device, be provided with pressure release balanced valve, in described proportioner assembly, be provided with pressure limiting balanced valve, described pressure release balanced valve and described pressure limiting balanced valve are arranged in described froth fire extinguishing system pipeline.
Preferably, in described balanced type proportion mixing device, be also provided with foam liquid tank and foam pump.
Preferably, described pressure release balanced valve is balance control valve, this balance control valve reaches in the time that hydraulic pressure and foam solution pressure, flow are different by counter balance pocket is set, and by pressure relief pipe, unnecessary foam solution is let out in described foam liquid tank, thereby is reached one-level balance.
Preferably, in described proportioner assembly, be also provided with proportioner and deluge alarm valve.
Preferably, described pressure limiting balanced valve is multifunctional balancing application valve, described multifunctional balancing application valve is adjusted hydraulic pressure and foam solution pressure and flow by counter balance pocket, in the time that the pressure of foam solution is different with flow, in described multifunctional balancing application valve limit foam liquid flow ipe, mix with the fire water below deluge alarm valve, thereby reach secondary balance.
Preferably, described terminal transmitter is foam nozzle or foam monitor.
Preferably, the number of described foam nozzle or described foam monitor is one or more, and multiple described foam nozzles or described foam monitor are arranged in the pipeline before terminal transmitter.
Compared with prior art
,secondary balance multiple spot foam output fire extinguishing system of the present utility model by arranging pressure release balanced valve and pressure limiting balanced valve in pipeline, be greater than required time when the pressure of foam solution thereby reach, system can play to foam solution the effect of pressure release and current limliting, thereby can realize the secondary balance of system by these two balanced valves, thereby can increase the quantity of terminal transmitter, the length that increases pipeline, realizes pipeline and presses equilibrium of forces everywhere.
Brief description of the drawings
Fig. 1 is the assembling schematic diagram of secondary balance multiple spot foam output fire extinguishing system of the present utility model;
Fig. 2 is the assembling schematic diagram of pressure limiting balanced valve of the present utility model;
Fig. 3 is the generalized section of pressure release balanced valve of the present utility model;
Fig. 4 is that the master of pressure release balanced valve of the present utility model looks schematic diagram.
In Fig. 1～4, the 1st, foam pump, the 2nd, pressure release balanced valve, the 3rd, control cabinet, the 4th, foam liquid tank, the 5th, proportioner, the 6th, deluge alarm valve, the 7th, pressure limiting balanced valve, the 8th, foam monitor, the 9th, foam nozzle, the 10th, terminal transmitter, the 11st, Fire Fighting Pumps, the 12nd, balanced type proportion mixing device, the 13rd, proportioner assembly, the 14th, pressure relief pipe, the 15th, foam solution entrance pipe.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail, and appended accompanying drawing is as illustrative purposes, is not used for limiting to the utility model.
As shown in Figure 1, for the assembling schematic diagram of secondary balance multiple spot foam output fire extinguishing system of the present utility model, as shown in the figure, this secondary balance multiple spot foam output fire extinguishing system comprises Fire Fighting Pumps 11, balanced type proportion mixing device 12, proportioner assembly 13 and terminal transmitter 10, proportioner assembly 13 is arranged on before terminal transmitter 10, in Fire Fighting Pumps 11, fire water is housed, in balanced type proportion mixing device 12, foam solution is housed, Fire Fighting Pumps 11 and balanced type proportion mixing device 12 are all provided with stable-pressure device, this stable-pressure device can be adjusted the pressure of Fire Fighting Pumps 11 and balanced type proportion mixing device 12, safeguard respectively the pressure of fire water pipeline and foam solution pipeline.Proportioner assembly 13 is placed in before terminal device 10, in balanced type proportion mixing device 12, be provided with control cabinet 3, control cabinet 3 is used for controlling the balance of foam solution in balanced type proportion mixing device 12, the breaking out of fire simultaneously of Dang Yige district or several region, send signal to command centre by alarm probe system, command centre sends instruction, start Fire Fighting Pumps 11 and balanced type proportion mixing device 12, the control valve opening a terminal before transmitter 10, implement fire extinguishing, in balanced type proportion mixing device 12, be provided with pressure release balanced valve 2, foam liquid tank 4 and foam pump 1.Terminal transmitter 10 can be foam nozzle 9 or foam monitor 8, and the number of foam nozzle 9 or foam monitor 8 is one or more, and not as restriction, multiple foam nozzles 9 or foam monitor 8 are arranged in the pipeline before terminal transmitter 10.
As shown in Fig. 2 ~ Fig. 4, for the assembling schematic diagram of pressure limiting balanced valve of the present utility model and pressure release balanced valve, as shown in FIG., in proportioner assembly 13, be provided with pressure limiting balanced valve 7, proportioner 5 and deluge alarm valve 6, pressure release balanced valve 2 is connected with foam liquid tank 4 by foam solution entrance pipe 15.
Fire Fighting Pumps 11 is connected proportioner assembly 13 by pipeline respectively with balanced type proportion mixing device 12, and pressure release balanced valve 2 and pressure limiting balanced valve 7 are arranged in froth fire extinguishing system pipeline.Pressure release balanced valve 2 is balance control valve, and this balance control valve reaches in the time that hydraulic pressure and foam solution pressure, flow are different by counter balance pocket is set, and by pressure relief pipe 14, unnecessary foam solution is let out in described foam liquid tank 4, thereby is reached one-level balance.Pressure limiting balanced valve 7 is multifunctional balancing application valve (patent No. is to describe multifunctional balancing application valve in detail in 2,008 1 0204240.8 patent), multifunctional balancing application valve is adjusted hydraulic pressure and foam solution pressure and flow by counter balance pocket, in the time that the pressure of foam solution is different with flow, in multifunctional balancing application valve limit foam liquid flow ipe, mix with deluge alarm valve 6 fire water below, thereby reach secondary balance.
In order to improve the response time, reduce the unnecessary waste of foam solution, reduce equipment cost; optimal design; to concentrating output mode to improve, adopt a balanced type proportion mixing device 12(foam station), multiple proportioner 5 is placed in terminal spraying equipment place, protects the pattern of multiple objects.Foam holding vessel 4, foam pump 1 form a central fluid supply device, are placed in foam solution supply station, and proportioner 5 is arranged on terminal spraying equipment 10 front ends, and the corresponding proportioner 5 of each terminal spraying equipment 10, and we are referred to as multiple spot output.Multiple spot output is that foam and the moisture two-way with certain pressure are transported to terminal spraying equipment 10, at the front mixed liquor that just forms of terminal spraying equipment 10, under servo condition, the foam dope of certain pressure and water are full of respectively pipe network, but foam dope does not contact with water, accelerate the response time thereby realize, reduce the object of foam solution loss.
Balanced valve is the critical component of secondary balance multiple spot foam output fire extinguishing system.According to the difference of mounting means, balanced valve in balanced type proportion mixing device 12 plays pressure release effect, according to the variation of fire water flow and pressure, the foam solution of unnecessary pressure and flow is back in foam liquid tank 4, guarantee provides the foam solution needing less times greater than fire water, and this is one-level balance.Balanced valve in proportioner assembly before apparatus for spray of foam plays pressure limiting effect, and pressure, flow margin that one-level balance is reserved, carry out secondary balance, guarantees that mixing ratio is stable.
The secondary balance multiple spot foam output fire extinguishing system of this programme is not limited to the disclosed content of embodiment, the technical scheme occurring in embodiment can individualism, also can mutually comprise, the simple alternative that those skilled in the art make in conjunction with common practise according to this programme also belongs to the scope of this programme.
Claims (7)
1. a secondary balance multiple spot foam output fire extinguishing system, comprise Fire Fighting Pumps, balanced type proportion mixing device, proportioner assembly and terminal transmitter, in described Fire Fighting Pumps, fire water is housed, in described balanced type proportion mixing device, foam solution is housed, described Fire Fighting Pumps and described balanced type proportion mixing device are all provided with stable-pressure device, described Fire Fighting Pumps is connected described proportioner assembly by pipeline respectively with described balanced type proportion mixing device, described fire water and described foam solution enter described terminal transmitter after mixing by described proportioner assembly, it is characterized in that, in described balanced type proportion mixing device, be provided with pressure release balanced valve, in described proportioner assembly, be provided with pressure limiting balanced valve, described pressure release balanced valve and described pressure limiting balanced valve are arranged in described froth fire extinguishing system pipeline.
2.
secondary balance multiple spot foam output fire extinguishing system according to claim 1, is characterized in that, is also provided with foam liquid tank and foam pump in described balanced type proportion mixing device.
3.
secondary balance multiple spot foam output fire extinguishing system according to claim 2, it is characterized in that, described pressure release balanced valve is balance control valve, described balance control valve reaches in the time that hydraulic pressure and foam solution pressure, flow are different by counter balance pocket is set, by pressure relief pipe, unnecessary foam solution is let out in described foam liquid tank, thereby reached one-level balance.
4. secondary balance multiple spot foam output fire extinguishing system according to claim 1, is characterized in that, in described proportioner assembly, is also provided with proportioner and deluge alarm valve.
5. secondary balance multiple spot foam output fire extinguishing system according to claim 4, it is characterized in that, described pressure limiting balanced valve is multifunctional balancing application valve, described multifunctional balancing application valve is adjusted hydraulic pressure and foam solution pressure and flow by counter balance pocket, in the time that the pressure of foam solution is different with flow, in described multifunctional balancing application valve limit foam liquid flow ipe, mix with the fire water below deluge alarm valve, thereby reach secondary balance.
6. secondary balance multiple spot foam output fire extinguishing system according to claim 1, is characterized in that, described terminal transmitter is foam nozzle or foam monitor.
7. secondary balance multiple spot foam output fire extinguishing system according to claim 6, it is characterized in that, the number of described foam nozzle or described foam monitor is one or more, and multiple described foam nozzles or described foam monitor are arranged in the pipeline before terminal transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420291439.XU CN203886062U (en) | 2014-06-04 | 2014-06-04 | Secondary-balance multi-point-output foam fire extinguishing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420291439.XU CN203886062U (en) | 2014-06-04 | 2014-06-04 | Secondary-balance multi-point-output foam fire extinguishing system |
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| CN203886062U true CN203886062U (en) | 2014-10-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106943702A (en) * | 2017-03-23 | 2017-07-14 | 中国石油大学(华东) | A kind of safety control of rotating nozzle type foam water deluge system |
| CN110523029A (en) * | 2019-08-16 | 2019-12-03 | 国网江苏省电力有限公司 | The hybrid foam proportioning system of two-stage of oil-immersed transformer foam spray system |
-
2014
- 2014-06-04 CN CN201420291439.XU patent/CN203886062U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106943702A (en) * | 2017-03-23 | 2017-07-14 | 中国石油大学(华东) | A kind of safety control of rotating nozzle type foam water deluge system |
| CN110523029A (en) * | 2019-08-16 | 2019-12-03 | 国网江苏省电力有限公司 | The hybrid foam proportioning system of two-stage of oil-immersed transformer foam spray system |
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