CN111053997A - Automatic water-spraying fire-extinguishing system using indoor fire hydrant annular pipe network for water supply and construction method thereof - Google Patents
Automatic water-spraying fire-extinguishing system using indoor fire hydrant annular pipe network for water supply and construction method thereof Download PDFInfo
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- CN111053997A CN111053997A CN201911355788.7A CN201911355788A CN111053997A CN 111053997 A CN111053997 A CN 111053997A CN 201911355788 A CN201911355788 A CN 201911355788A CN 111053997 A CN111053997 A CN 111053997A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 150
- 238000010276 construction Methods 0.000 title claims abstract description 12
- 238000005507 spraying Methods 0.000 title abstract description 25
- 239000007921 spray Substances 0.000 claims abstract description 27
- 230000005484 gravity Effects 0.000 claims abstract description 13
- 230000005611 electricity Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/005—Delivery of fire-extinguishing material using nozzles
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/20—Hydrants, e.g. wall-hoses, wall units, plug-in cabinets
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/50—Testing or indicating devices for determining the state of readiness of the equipment
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to an automatic water-spraying fire-extinguishing system using indoor fire hydrant ring-shaped pipe network for water supply and a construction method thereof, the automatic water-spraying fire-extinguishing system comprises a roof water supply pipe network and a floor water supply pipe network, a plurality of fire hydrant vertical pipes communicated with each other are arranged between the roof water supply pipe network and the floor water supply pipe network at intervals, a spray pipe is communicated between every two adjacent fire hydrant vertical pipes in each floor, a closed spray head is arranged on the spray pipe, the floor water supply pipe network is communicated with a fire-fighting water pool at the floor through a water supply pipeline and is provided with a fire pump, a low-pressure switch electrically connected with the fire pump is arranged on the water supply pipeline, the roof water supply pipe network is communicated with a roof water tank through a gravity flow pipeline, and a flow switch electrically connected with the fire. The automatic water spraying fire extinguishing system effectively solves the problem that the branch-shaped water supply of a spray pipe is unreliable in the design of the existing automatic water spraying fire extinguishing system, effectively improves the reliability of the spray system, and greatly reduces the construction cost of the building fire engineering.
Description
Technical Field
The invention relates to an automatic water spraying fire extinguishing system using indoor fire hydrant circular pipe network for water supply and a construction method thereof.
Background
Automatic sprinkler systems were the first line of life for fire safety in existing buildings. The working principle of the existing automatic water spraying fire extinguishing system is that when a fire disaster occurs and the temperature rise meets the condition that a closed nozzle is opened, the closed nozzle starts spraying water. After water flows in the pipeline, the wet alarm valve is opened, the water is led to a channel of the hydraulic alarm bell after passing through the delayer, the water flow impacts the hydraulic alarm bell to generate an audible alarm signal, meanwhile, a pressure switch signal in front of the hydraulic alarm bell is transmitted to the fire pump control box, the fire pump is started to supply water to the pipe network in a pressurized mode, and the purpose of continuously and automatically spraying water to extinguish fire is achieved.
However, the existing automatic water spraying fire extinguishing system supplies water in a branch shape, and has the problem of low water supply reliability. For example, for a fire acceptance project, the following may occur: the tail end water testing device of the water spraying fire extinguishing system detects pressure water, and accords with acceptance indexes, but a certain position of the spraying pipe is blocked, the water supply of a pipeline at the rear end of the spraying pipe is insufficient in pressure, even the spraying pipe is seriously blocked, and the pipeline at the rear end is free of water.
When a fire disaster occurs in the project, the water spraying pressure of all the spray heads in the pipeline at the rear end of the blocked position is insufficient or no water is sprayed, so that the situation that the fire cannot be effectively extinguished is caused, and the serious consequence of fire spreading is caused. And under the condition that the water pressure of the nozzle is insufficient, the delayed start of the wet alarm valve can also occur, and the timely start of the fire pump is seriously influenced.
Disclosure of Invention
The invention aims to provide an automatic water spraying fire extinguishing system using an indoor fire hydrant annular pipe network for water supply and a construction method thereof.
The technical scheme of the invention is as follows: the utility model provides an utilize automatic water spray fire extinguishing system of indoor fire hydrant ring pipe network water supply, includes roof water supply network and floor water supply network, is located the interval between roof water supply network and the floor water supply network and is provided with the fire hydrant riser that a plurality of roots are linked together, and it has the shower to lie in the intercommunication between the two adjacent fire hydrant risers in every floor, be provided with the closed shower nozzle on the shower, floor water supply network is linked together and is provided with the fire pump through the fire pond at the bottom of water supply pipeline and floor, be provided with the low pressure switch who is connected with the fire pump electricity on the water supply pipeline, roof water supply network is linked together through gravity flow pipeline and roof water tank, be provided with the flow switch who is connected with the fire pump electricity on the gravity flow pipeline.
Furthermore, the water supply pipe network at the bottom of the building is an annular pipe network.
Further, the both ends and the water supply network intercommunication of building end of a building of water supply pipeline, at least two fire pumps are installed to the water supply pipeline, low pressure switch sets up on the pipeline between two fire pumps.
Furthermore, a branch pipe connected with a water pump adapter is arranged on the floor water supply pipe network.
Furthermore, fire hydrant transverse branch pipes are respectively arranged on the fire hydrant vertical pipes on each floor.
Furthermore, the end of the gravity flow pipeline penetrating into the roof water tank is provided with a rotational flow preventer.
Further, an exhaust pipeline is arranged on the roof water supply pipeline network, and an automatic exhaust valve is installed on the exhaust pipeline.
Furthermore, an experimental fire hydrant and a pressure gauge are arranged on the roof water supply pipe network.
A construction method of an automatic water spraying fire extinguishing system using indoor fire hydrant annular pipe network for water supply comprises the following steps:
1) a roof water supply pipe network and a floor water supply pipe network are correspondingly arranged on the roof and the floor, and a plurality of fire hydrant vertical pipes and fire hydrant horizontal branch pipes are arranged between the roof water supply pipe network and the floor water supply pipe network at intervals;
2) a spray pipe is arranged between two adjacent fire hydrant vertical pipes on each floor, and a closed spray head is arranged on the spray pipe;
3) a low-pressure switch is arranged on a pipeline between two fire pumps of the water supply pipeline and is electrically connected with the fire pumps; and meanwhile, a flow switch is installed on a gravity flow pipeline of the roof water tank and is electrically connected with the fire pump.
Compared with the prior art, the invention has the following advantages: each spray pipeline of the automatic water spraying fire extinguishing system can form annular water supply, namely four-direction water supply is formed, the water supply capacity of the spray pipelines is ensured, and the problem that branch-shaped water supply of the spray pipelines is unreliable is effectively solved; meanwhile, the fire pump is started through the low-pressure switch and the flow switch, so that the reliability of the spraying system is effectively improved; in addition, this automatic water spray fire extinguishing system combines together fire hydrant system and sprinkler system, has reduced fire pump, water supply pipe network, the spray trunk among the former sprinkler system, is showing saving cost, reduces the construction, and construction convenience simultaneously.
Drawings
FIG. 1 is a diagram of a conventional fire sprinkler system;
FIG. 2 is a schematic structural view of the present invention;
in the figure: 10-roof water supply network 20-floor water supply network 21-branch pipe 30-fire hydrant stand pipe 31-fire hydrant cross branch pipe 40-shower pipe 41-closed spray head 50-fire water pool 51-fire pump 60-water supply line 61-low pressure switch 70-gravity flow line 71-flow switch 72-whirl preventer 73-exhaust line 74-experimental fire hydrant 75-pressure gauge 76-automatic exhaust valve 80-roof water tank 90-fire pump control box.
Detailed Description
In order to make the aforementioned features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below, but the present invention is not limited thereto.
Refer to FIG. 2
The utility model provides an utilize automatic water spray fire extinguishing system of indoor fire hydrant ring pipe network water supply, includes roof water supply network 10 and floor water supply network 20, is located and is provided with the fire hydrant riser 30 that a plurality of roots are linked together at the interval between roof water supply network and the floor water supply network, and it has shower 40 to lie in the intercommunication between the two adjacent fire hydrant risers in every floor, according to a plurality of closed shower nozzles 41 of design demand installation on the shower, floor water supply network is linked together and is provided with fire pump 51 through water supply pipeline 60 and the fire pond 50 of floor, be provided with the low pressure switch 61 of being connected with the fire pump electricity on the water supply pipeline 60, roof water supply network is linked together through gravity flow line 70 and roof water tank 80, be provided with flow switch 71 of being connected with the fire pump electricity on the gravity flow line.
In this embodiment, in order to effectively realize safe water supply, the water supply pipe network of building bottom is the ring-shaped pipe network.
In this embodiment, the both ends and the downstairs water supply network intercommunication of water supply pipeline, two at least fire pumps are installed to the water supply pipeline, low pressure switch sets up on the pipeline between two fire pumps to improve the water supply security.
In this embodiment, for the convenience of the installation of water supply pipe network, water supply pipe can pass the pre-buried steel casing pipe of basement outer wall and be linked together with the water supply pipe network of building bottom when the construction.
In this embodiment, in order to facilitate the installation of the water pump adapter, a branch pipe 21 for connecting the water pump adapter is provided on the floor water supply network.
In this embodiment, in order to facilitate installation of the fire hydrant, the fire hydrant vertical pipe is provided with a fire hydrant transverse branch pipe 31 on each floor.
In this embodiment, to prevent siphoning, a vortex breaker 72 is installed at the end of the gravity flow line that penetrates the roof tank.
In this embodiment, in order to facilitate the pipeline exhaust, an exhaust pipeline 73 is arranged on the roof water supply pipeline network, and an automatic exhaust valve 76 is installed on the exhaust pipeline.
In this embodiment, in order to detect the fire fighting effect, an experimental fire hydrant 74 and a pressure gauge 75 are provided on the roof water supply network.
The construction method of the automatic water spraying fire extinguishing system using the indoor fire hydrant annular pipe network for water supply comprises the following steps:
1) a roof water supply pipe network and a floor water supply pipe network are correspondingly arranged on the roof and the floor, and a plurality of fire hydrant vertical pipes and fire hydrant horizontal branch pipes are arranged between the roof water supply pipe network and the floor water supply pipe network at intervals;
2) a spray pipe is arranged between two adjacent fire hydrant vertical pipes on each floor, and a closed spray head is arranged on the spray pipe;
3) a low-pressure switch is arranged on a pipeline between two fire pumps of the water supply pipeline and is electrically connected with the fire pumps; and meanwhile, a flow switch is installed on a gravity flow pipeline of the roof water tank and is electrically connected with the fire pump.
The working principle of the automatic water spraying fire extinguishing system is as follows: when the temperature rise when the conflagration takes place satisfied the condition that closed shower nozzle opened, closed shower nozzle began to spray water, and water flows in the pipeline, and when low pressure switch detected water pressure and was less than the setting value, feedback information gave fire pump control box 90, and fire pump control box made the fire pump open. In addition, the flow switch on the roof can be actuated by the flowing of water flow in the outer pipe network, and information is fed back to the fire pump control box, so that the fire pump is started by the fire pump control box.
Any one spray pipe in the automatic water spraying fire extinguishing system supplies water in four directions, and when a certain position in the spray pipe is blocked, the pipe network can still normally supply water, so that the reliability of water supply of the automatic water spraying fire extinguishing system is completely ensured.
Simultaneously, the fire pump in this application has two kinds of pump starting modes for original spraying fire extinguishing systems, effectively improves whole fire extinguishing systems's reliability.
Any embodiment disclosed herein above is meant to disclose, unless otherwise indicated, all numerical ranges disclosed as being preferred, and any person skilled in the art would understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Since the numerical values are too numerous to be exhaustive, some of the numerical values are disclosed in the present invention to illustrate the technical solutions of the present invention, and the above-mentioned numerical values should not be construed as limiting the scope of the present invention.
If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the terms "first" and "second" are used merely to distinguish one element from another in a descriptive sense and are not intended to have a special meaning unless otherwise stated.
If the invention discloses or relates to parts or structures which are fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In addition, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes unless otherwise stated.
Any part provided by the invention can be assembled by a plurality of independent components or can be manufactured by an integral forming process.
The above description is only a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that various automatic sprinkler systems using water supply of indoor fire hydrant loop network according to the teachings of the present invention may be designed without inventive labor and all the changes, modifications, substitutions and alterations made without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The utility model provides an utilize automatic water spray fire extinguishing system of indoor fire hydrant ring pipe network water supply, includes roof water supply network and floor water supply network, its characterized in that is located and is provided with a plurality of fire hydrant risers that are linked together at the interval between roof water supply network and the floor water supply network, and it has the shower to lie in the intercommunication between the two adjacent fire hydrant risers in every floor, be provided with the closed shower nozzle on the shower, floor water supply network is linked together and is provided with the fire pump through the fire pond of water supply pipeline and floor, be provided with the low pressure switch who is connected with the fire pump electricity on the water supply pipeline, roof water supply network is linked together through gravity flow pipeline and roof water tank, gravity flow pipeline is provided with the flow switch who is connected with the fire pump electricity.
2. The automatic sprinkler system using indoor hydrant loop network for water supply according to claim 1, wherein said underfloor water supply pipe network is a loop pipe network.
3. The automatic sprinkler system according to claim 1, wherein both ends of the water supply pipeline are connected to a water supply pipeline at the bottom of the building, the water supply pipeline is installed with at least two fire pumps, and the low pressure switch is installed on the pipeline between the two fire pumps.
4. The sprinkler system according to claim 1, 2 or 3, wherein a branch pipe connected to a water pump coupling is provided on the floor water supply pipe network.
5. The automatic sprinkler system using indoor fire hydrant loop network for water supply according to claim 1, wherein a fire hydrant lateral branch is provided on the fire hydrant vertical pipe at each floor, respectively.
6. The sprinkler system according to claim 1, wherein the gravity flow line is installed with a vortex breaker at the end penetrating into the roof tank.
7. The automatic sprinkler system using indoor hydrant loop network for water supply according to claim 1 or 6, wherein an exhaust pipeline is installed on the roof water supply pipeline network, and an automatic exhaust valve is installed on the exhaust pipeline.
8. The automatic sprinkler system using indoor fire hydrant loop pipe network for water supply according to claim 1 or 6, characterized in that the roof water supply pipe network is provided with an experimental fire hydrant and a pressure gauge.
9. A construction method applied to the automatic sprinkler system using indoor hydrant loop network for water supply according to claim 1, comprising the steps of:
1) a roof water supply pipe network and a floor water supply pipe network are correspondingly arranged on the roof and the floor, and a plurality of fire hydrant vertical pipes and fire hydrant horizontal branch pipes are arranged between the roof water supply pipe network and the floor water supply pipe network at intervals;
2) a spray pipe is arranged between two adjacent fire hydrant vertical pipes on each floor, and a closed spray head is arranged on the spray pipe;
3) a low-pressure switch is arranged on a pipeline between two fire pumps of the water supply pipeline and is electrically connected with the fire pumps; and meanwhile, a flow switch is installed on a gravity flow pipeline of the roof water tank and is electrically connected with the fire pump.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911355788.7A CN111053997A (en) | 2019-12-25 | 2019-12-25 | Automatic water-spraying fire-extinguishing system using indoor fire hydrant annular pipe network for water supply and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911355788.7A CN111053997A (en) | 2019-12-25 | 2019-12-25 | Automatic water-spraying fire-extinguishing system using indoor fire hydrant annular pipe network for water supply and construction method thereof |
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| CN111053997A true CN111053997A (en) | 2020-04-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113230570A (en) * | 2021-04-28 | 2021-08-10 | 上海景文同安机电消防工程有限公司 | Energy-saving self-rescue fire-fighting device for high-rise building |
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|---|---|---|---|---|
| JPH07108069A (en) * | 1993-10-14 | 1995-04-25 | Mitsubishi Jisho Kk | Mutual water supply system by two ns valves in sprinkler fire extinguishing facility |
| JP3197849U (en) * | 2015-03-24 | 2015-06-04 | 株式会社北浦製作所 | Indoor fire hydrant equipment |
| CN204864653U (en) * | 2015-08-13 | 2015-12-16 | 北京冠亚伟业民用建筑设计有限公司 | High -order fire water tank's of many fire controls unit sharing joint fire extinguishing system |
| CN105148440A (en) * | 2015-10-16 | 2015-12-16 | 何涵 | Firefighting linkage control system |
| CN205924803U (en) * | 2016-07-18 | 2017-02-08 | 温州市环美建筑工程有限公司 | Building non -combustible building structure |
| CN107469254A (en) * | 2017-08-24 | 2017-12-15 | 华东建筑设计研究院有限公司 | The outdoor fire fighting water system of building in a kind of dell |
| CN209437933U (en) * | 2018-12-07 | 2019-09-27 | 广东兴达利建设工程有限公司 | A kind of fire hydrant pipeline structure |
| CN209790690U (en) * | 2019-02-19 | 2019-12-17 | 应急管理部天津消防研究所 | Automatic water spraying fire extinguishing system for high-rise building |
| CN211705704U (en) * | 2019-12-25 | 2020-10-20 | 福州安泰消防科技有限公司 | Automatic water spraying fire extinguishing system using indoor fire hydrant ring pipe network for water supply |
-
2019
- 2019-12-25 CN CN201911355788.7A patent/CN111053997A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07108069A (en) * | 1993-10-14 | 1995-04-25 | Mitsubishi Jisho Kk | Mutual water supply system by two ns valves in sprinkler fire extinguishing facility |
| JP3197849U (en) * | 2015-03-24 | 2015-06-04 | 株式会社北浦製作所 | Indoor fire hydrant equipment |
| CN204864653U (en) * | 2015-08-13 | 2015-12-16 | 北京冠亚伟业民用建筑设计有限公司 | High -order fire water tank's of many fire controls unit sharing joint fire extinguishing system |
| CN105148440A (en) * | 2015-10-16 | 2015-12-16 | 何涵 | Firefighting linkage control system |
| CN205924803U (en) * | 2016-07-18 | 2017-02-08 | 温州市环美建筑工程有限公司 | Building non -combustible building structure |
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| CN209437933U (en) * | 2018-12-07 | 2019-09-27 | 广东兴达利建设工程有限公司 | A kind of fire hydrant pipeline structure |
| CN209790690U (en) * | 2019-02-19 | 2019-12-17 | 应急管理部天津消防研究所 | Automatic water spraying fire extinguishing system for high-rise building |
| CN211705704U (en) * | 2019-12-25 | 2020-10-20 | 福州安泰消防科技有限公司 | Automatic water spraying fire extinguishing system using indoor fire hydrant ring pipe network for water supply |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113230570A (en) * | 2021-04-28 | 2021-08-10 | 上海景文同安机电消防工程有限公司 | Energy-saving self-rescue fire-fighting device for high-rise building |
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