CN103736227B - A kind of protective voltage type fire-fighting system - Google Patents
A kind of protective voltage type fire-fighting system Download PDFInfo
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- CN103736227B CN103736227B CN201310733435.2A CN201310733435A CN103736227B CN 103736227 B CN103736227 B CN 103736227B CN 201310733435 A CN201310733435 A CN 201310733435A CN 103736227 B CN103736227 B CN 103736227B
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Abstract
The present invention relates to water technical field of fire control, especially relate to a kind of ship's fire fighting pipe-line system.This present invention adopts the sea-fresh water charging tank of domestic water or equipment water on the former supply vessel configured on ship and supply-water pump as the charging tank of fire-fighting system and supply-water pump, has saved equipment purchase cost and maintenance cost, has reduced hold facility cabin spaces; And invention adopts the startup of flow signals switch control rule fire pump, during the outside draining of discharger, namely flow signals switch starts fire pump, thus accelerates fire pump start-up time.
Description
Technical field
The present invention relates to water technical field of fire control, specifically relate to a kind of ship's fire fighting pipe-line system.
Background technology
2.1.2/.1.1 according to the fire extinguishing of the 10th article, SOLAS II chapter requires: 1,000 gross ton and above passenger boat, at least can spray one effective water column immediately from any fire hydrant of interior location, and guarantee that the automatically actuated fire pump required by 1 continues water outlet; And the pressure requirements of 2.1.6 fire hydrant:
For passenger boat:
4,000 total and above 0.4N/mm
2
4,000 total following 0.3N/mm
2
Conclude the existing designing requirement meeting the fire-fighting system of above-mentioned passenger boat requirement, have following two kinds of design forms:
Design form one: the supply-water pump purchased special fire-fighting pressure water tank and fire-fighting pressure water tank is supplied water, fire-fighting pressure water tank provides stable pressure water source to fire main, to meet " at least can spray one effective water column immediately from any fire hydrant of interior location " this requirement.Setting pressure switch on fire main pipe simultaneously, when fire hydrant water outlet causes descaling line pressure power to drop to setting value, pressure switch is signaled and is started fire pump, supplied water to fire main by fire pump, to meet " guaranteeing that the automatically actuated fire pump required by 1 continues water outlet " and the requirement of fire hydrant discharge pressure.
Design form two: adopt other sea water pump on ship to supply water to fire main, such as air-conditioning sea water pump, to meet " at least can spray one effective water column immediately from any fire hydrant of interior location " this requirement.Setting pressure switch on fire main pipe simultaneously, when fire hydrant water outlet causes descaling line pressure power to drop to setting value, pressure switch is signaled and is started fire pump, supplied water to fire main by fire pump, to meet " guaranteeing that the automatically actuated fire pump required by 1 continues water outlet " and the requirement of fire hydrant discharge pressure.
Design form one is that current exhausted most boats and ships adopted.But design and buying Special fire-fighting water pressure tank and supply-water pump, directly can improve equipment purchase cost, the space of also cabin interior shared by increase water fire fighting system simultaneously.And, because fire-fighting pressure water tank generally adopts compressed air to inflate pressure accumulation, after water in fire-fighting pressure water tank flows out major part, hydraulic pressure in fire main pipe just drops to fire pump starting pressure setting value, now pressure activated switch fire pump, cause fire pump comparatively delayed for start-up time, occupy valuable Fire Fighting Time.
For design form two, due to hold concurrently to fire main supply water sea water pump (as air-conditioning sea water pump) under former normal condition, do not need non-stop run 24 hours every days; But because this sea water pump needs supply water to fire main for 24 hours, make sea water pump original system also be non-stop run in 24 hours, this causes the waste of the energy, and accelerates the mechanical wear of this sea water pump.Also there is fire pump comparatively delayed for start-up time simultaneously, occupy the problem of valuable Fire Fighting Time.
Summary of the invention
The problem improving equipment purchase cost, increase the space of cabin interior shared by water fire fighting system is there is for above-mentioned design form one, there is the waste of the energy in design form two, and the problem of the mechanical wear of quickening sea water pump, and design form one, design form two simultaneous fire pump are comparatively delayed for start-up time, occupy the problem of valuable Fire Fighting Time, the invention provides a kind of protective voltage type fire-fighting system.
Described protective voltage type fire-fighting system comprises: sea-fresh water water pressure tank, to the supply-water pump that sea-fresh water water pressure tank supplies water, and fire main pipe, and the first pipeline connecting sea-fresh water water pressure tank, supply-water pump, fire main pipe successively; Part in first pipeline between fire main pipe with sea-fresh water water pressure tank is communicated with the daily sea-fresh water pipe of domestic water on supply vessel or equipment water; Described fire main pipe is provided with and allows the discharger (as fire hydrant) that liquid is discharged in fire main pipe; Described fire-fighting system also comprises the first check-valves, flow signals switch, fire pump; First check-valves is arranged on the first pipeline between daily sea-fresh water pipe and fire main pipe; Flow signals switch can be measured (directly measure or indirect inspection) discharger at least from when starting working, the flow signals of liquid in pipeline between discharger and the first check-valves; Fire pump is connected with fire main pipe, and the startup of flow signals switch controls fire pump; During fire pump work, the hydraulic pressure in its exit is greater than the hydraulic pressure in sea-fresh water water pressure tank exit.
Preferably, on first pipeline of described flow signals switch-linear hybrid between the first check-valves and fire main pipe.
Preferably, described protective voltage type fire-fighting system also comprises the second check-valves on the first pipeline of being arranged between flow signals switch and fire main pipe.
Preferably, the hydraulic pressure in described sea-fresh water water pressure tank exit is 4 ~ 5Bar, and during fire pump work, the hydraulic pressure in its exit is 7 ~ 9Bar.More excellent, during described fire pump work, the hydraulic pressure in its exit is 8Bar.
Hinge structure, the beneficial effect of protective voltage type fire-fighting system of the present invention is as follows:
1, adopt the sea-fresh water charging tank of domestic water or equipment water on the former supply vessel configured on ship and supply-water pump as the charging tank of fire-fighting system and supply-water pump, saved equipment purchase cost and maintenance cost, reduced hold facility cabin spaces.
2, when the charging tank adopting fresh water hydrophore tank that ship has been configured as fire-fighting system, liquid in the pipeline of fire-fighting system can replace with fresh water entirely, and then improves fire-fighting steel pipeline by corrosion condition, extends pipeline service life, save maintenance of the vessel cost, improve ship's fire fighting reliability.
3, existing design form all adopts pressure switch to control the startup of fire pump, and when the fluid pressure drop in fire main pipe is to setting value, pressure switch just starts fire pump, causes fire pump comparatively delayed for start-up time.And the present invention adopts the startup of flow signals switch control rule fire pump, during the outside draining of discharger, namely flow signals switch starts fire pump, thus accelerates fire pump start-up time.
4, discharger not externally draining time, only consume a small amount of energy during flow signals switch, and sea-fresh water charging tank and supply-water pump do not improve its energy consumption relative to the state of domestic water or equipment water on its former supply vessel.Thus discharger not externally draining time, protective voltage type fire-fighting system of the present invention consumes the extra energy hardly.
Accompanying drawing explanation
Fig. 1 is the structural representation of one of them embodiment of protective voltage type fire-fighting system of the present invention.
Description of reference numerals: 1-sea-fresh water water pressure tank, 2-supply-water pump, 3-fire main pipe, 4-first pipeline, 5-fire hydrant, 6-first check-valves, 7-flow signals switch, 8-fire pump, 9-second check-valves, 10-day uses sea-fresh water pipe.
Detailed description of the invention
For the ease of it will be appreciated by those skilled in the art that the present invention is described further below in conjunction with accompanying drawing and embodiment.
Figure 1 shows that one of them embodiment of protective voltage type fire-fighting system of the present invention, described protective voltage type fire-fighting system comprises sea-fresh water water pressure tank 1, to the supply-water pump 2 that sea-fresh water water pressure tank 1 supplies water, fire main pipe 3, and connect first pipeline 4 of sea-fresh water water pressure tank 1, supply-water pump 2, fire main pipe 3 successively.
Described sea-fresh water water pressure tank 1, supply-water pump 2 are the original domestic water on supply vessel of configuration or sea-fresh water water pressure tank, the supply-water pump of equipment on ship.Part in described first pipeline 4 between fire main pipe 3 with sea-fresh water water pressure tank 1 is communicated with the daily sea-fresh water pipe 10 of domestic water on supply vessel or equipment water; Sea-fresh water in sea-fresh water water pressure tank 1 is provided to corresponding water supply point by daily sea-fresh water pipe 10.
Described fire main pipe 3 is provided with and allows the discharger that liquid is discharged in fire main pipe 3, and in the present embodiment, described discharger is fire hydrant 5.Described fire-fighting system also comprises the first check-valves 6, flow signals switch 7, fire pump 8.Described first check-valves 6 is arranged on the first pipeline 4 between daily sea-fresh water pipe 10 and fire main pipe 3, for preventing the reverse flow of fluids in fire main pipe 3 to sea-fresh water water pressure tank 1 or flowing into daily sea-fresh water pipe 10.Described flow signals switch 7 is arranged on the first pipeline 4 between the first check-valves 6 and fire main pipe 3, flow signals switch 7 position pipeline inner fluid flowing when the hydraulic pressure in daily sea-fresh water pipe 10 and/or sea-fresh water water pressure tank 1 can be avoided like this to reduce, thus prevent flow signals switch 7 pairs of fire pumps 8 from carrying out maloperation.Described fire pump 8 is connected with fire main pipe 3, and it provides fire demand water to fire main pipe 3.Described flow signals switch 7 can control the startup of fire pump 8, concrete, the output signal end of flow signals switch 7 is connected with the startup control cabinet relay of fire pump 8, and when flow signals switch 7 sends the signal of fluid flowing, described startup control cabinet relay makes fire pump 8 start.
When described fire pump 8 works, the hydraulic pressure in its exit is greater than the hydraulic pressure in sea-fresh water water pressure tank 1 exit.Concrete, the hydraulic pressure in described sea-fresh water water pressure tank 1 exit is 4 ~ 5Bar, and when fire pump 8 works, the hydraulic pressure in its exit is 8Bar.Initially fill 5Bar compressed air in described sea-fresh water water pressure tank 1, make the hydraulic pressure in sea-fresh water water pressure tank 1 exit maintain 4 ~ 5Bar, that is to say that hydraulic pressure in sea-fresh water water pressure tank 1 is between 4Bar and 5Bar.When in sea-fresh water water pressure tank 1, fluid pressure drop is to below 4Bar, described supply-water pump 2 supplies water to sea-fresh water water pressure tank 1, until hydraulic pressure rises to 5Bar in sea-fresh water water pressure tank 1.
When fire hydrant 5 is in closure state, hydraulic pressure in fire main pipe 3 is provided by sea-fresh water water pressure tank 1, when the hydraulic pressure in fire main pipe 3 reaches the maximum that 5Bar(and sea-fresh water water pressure tank 1 can provide hydraulic pressure) after, first check-valves 6 cuts out, and the hydraulic pressure in fire main pipe 3 does not affect by hydraulic pressure in sea-fresh water water pressure tank 1 exit or daily sea-fresh water pipe 10.
When fire hydrant 5 is just opened, fire hydrant 5 can spray one effective water column immediately, now in fire main pipe 3, hydraulic pressure reduces, and sea-fresh water water pressure tank 1 couple of fire main pipe 3 supply water, meanwhile, flow signals switch 7 detects the flow signals of liquid in pipeline between fire hydrant 5 and the first check-valves 6, and signal is sent to startup control cabinet relay, starting control cabinet relay makes fire pump 8 start, after fire pump 8 couples of fire main pipes 3 supply water, because the hydraulic pressure in fire pump 8 exit is higher than the hydraulic pressure in sea-fresh water water pressure tank 1 exit, first check-valves 6 cuts out, when fire main pipe 3 being provided by fire pump 8 fire hydrant 5 is in opening backward with water, until fire pump 8 is manually turned off, thus meet guarantee that the automatically actuated fire pump required by 1 continues water outlet.
Described protective voltage type fire-fighting system also comprises the second check-valves 9 on the first pipeline 4 of being arranged between flow signals switch 7 and fire main pipe 3, in the process supplied water to prevent fire pump 8 couples of fire main pipes 3, affect flow signals switch 7, also prevent the reverse flow of fluids in fire main pipe 3 to sea-fresh water water pressure tank 1 further or flow into daily sea-fresh water pipe 10.
The above embodiment only have expressed one embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (5)
1. a protective voltage type fire-fighting system, is characterized in that: comprise sea-fresh water water pressure tank, to the supply-water pump that sea-fresh water water pressure tank supplies water, and fire main pipe, and the first pipeline connecting sea-fresh water water pressure tank, supply-water pump, fire main pipe successively; Part in first pipeline between fire main pipe with sea-fresh water water pressure tank is communicated with the daily sea-fresh water pipe of domestic water on supply vessel or equipment water; Fire main pipe is provided with and allows the discharger that liquid is discharged in fire main pipe; Described fire-fighting system also comprises the first check-valves, flow signals switch, fire pump; First check-valves is arranged on the first pipeline between daily sea-fresh water pipe and fire main pipe; Flow signals switch can measure discharger at least from when starting working, the flow signals of liquid in pipeline between discharger and the first check-valves; Fire pump is connected with fire main pipe, and the startup of flow signals switch controls fire pump; During fire pump work, the hydraulic pressure in its exit is greater than the hydraulic pressure in sea-fresh water water pressure tank exit.
2. protective voltage type fire-fighting system according to claim 1, is characterized in that: on first pipeline of described flow signals switch-linear hybrid between the first check-valves and fire main pipe.
3. protective voltage type fire-fighting system according to claim 2, is characterized in that: also comprise the second check-valves on the first pipeline of being arranged between flow signals switch and fire main pipe.
4. protective voltage type fire-fighting system according to claim 1, is characterized in that: the hydraulic pressure in described sea-fresh water water pressure tank exit is 4 ~ 5Bar, and during fire pump work, the hydraulic pressure in its exit is 7 ~ 9Bar.
5. protective voltage type fire-fighting system according to claim 4, is characterized in that: during described fire pump work, the hydraulic pressure in its exit is 8Bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310733435.2A CN103736227B (en) | 2013-12-25 | 2013-12-25 | A kind of protective voltage type fire-fighting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310733435.2A CN103736227B (en) | 2013-12-25 | 2013-12-25 | A kind of protective voltage type fire-fighting system |
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| Publication Number | Publication Date |
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| CN103736227A CN103736227A (en) | 2014-04-23 |
| CN103736227B true CN103736227B (en) | 2016-02-24 |
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| CN201310733435.2A Expired - Fee Related CN103736227B (en) | 2013-12-25 | 2013-12-25 | A kind of protective voltage type fire-fighting system |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108211184B (en) * | 2017-12-15 | 2020-08-14 | 浙江海洋大学 | Seawater fire-fighting water rapid switching system |
| CN111001108A (en) * | 2019-12-23 | 2020-04-14 | 江苏扬子三井造船有限公司 | Marine spraying system |
| CN112245853B (en) * | 2020-11-03 | 2021-11-23 | 胡海明 | Fireproof automatic spraying pressure maintaining device |
| CN113679985B (en) * | 2021-06-21 | 2022-05-24 | 招商局重工(深圳)有限公司 | Multistage pressure maintaining fire fighting device and control method |
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| GB191212307A (en) * | 1912-05-24 | 1912-10-10 | John Thomas | Improvements in Apparatus for Extinguishing Fires in Vessels and Buildings. |
| US2576143A (en) * | 1945-09-21 | 1951-11-27 | Jean C Rochet | Means for fighting fire aboard ships |
| US3899099A (en) * | 1973-06-21 | 1975-08-12 | Tank Sapp Uk Ltd | Inert gas system and method for tankers |
| JP4818648B2 (en) * | 2005-07-05 | 2011-11-16 | ユニバーサル造船株式会社 | Water supply system for emergency fire pump |
| NO20060725L (en) * | 2006-02-15 | 2007-08-16 | Aker Kvaerner Engineering & Te | Sea and fire water system |
| KR20070103797A (en) * | 2006-04-20 | 2007-10-25 | 주식회사 윈 | Fire extinguishing system for ship |
| CN2910274Y (en) * | 2006-06-12 | 2007-06-13 | 郑州海力特消防产业有限公司 | High pressure single fluid fine spray fire extinguishing system for ship |
| CN101672289A (en) * | 2008-09-11 | 2010-03-17 | 王晓勇 | High-low pressure control for discharging pressure of marine fire pump |
| KR101000231B1 (en) * | 2009-01-19 | 2010-12-10 | 주식회사 엔케이 | Combind fire extinguishing system for ship |
| CN201533957U (en) * | 2009-11-23 | 2010-07-28 | 沈毅 | Fire extinction device for vehicle and boats |
| CN101934119A (en) * | 2010-08-31 | 2011-01-05 | 芜湖新联造船有限公司 | Water-spraying fire-extinguishing system of ship garbage station |
| CN202342733U (en) * | 2011-10-14 | 2012-07-25 | 中国人民解放军海军工程大学 | Integrated detection device for ship fire fighting system |
| CN102644604B (en) * | 2012-04-16 | 2014-08-13 | 武汉船用机械有限责任公司 | Automatic priming device for centrifugal pump |
| CN203710576U (en) * | 2013-12-25 | 2014-07-16 | 广州中船黄埔造船有限公司 | Pressure-maintaining type fire extinguishing system |
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Address after: Cheung Chau Street in Whampoa District of Guangzhou City, Guangdong Province, No. 188 510000 Patentee after: Middle ship Huangpu Wen Chong boats and ships Co., Ltd Address before: Cheung Chau Street in Whampoa District of Guangzhou City, Guangdong Province, No. 188 510000 Patentee before: CSSC Guangzhou Shipbuilding Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 Termination date: 20191225 |
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| CF01 | Termination of patent right due to non-payment of annual fee |