CN202055492U - Vertical fireproof exhaust passage system of house building - Google Patents
Vertical fireproof exhaust passage system of house building Download PDFInfo
- Publication number
- CN202055492U CN202055492U CN2011200676317U CN201120067631U CN202055492U CN 202055492 U CN202055492 U CN 202055492U CN 2011200676317 U CN2011200676317 U CN 2011200676317U CN 201120067631 U CN201120067631 U CN 201120067631U CN 202055492 U CN202055492 U CN 202055492U
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- exhaust duct
- vertical
- building
- exhaust passage
- fire
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Abstract
The utility model discloses a vertical fireproof exhaust passage system of a house building, which comprises exhaust port devices and a vertical exhaust passage. The exhaust port devices are respectively communicated with houses of users, the vertical exhaust passage is vertically arranged in the total building, each exhaust port device is communicated with the vertical exhaust passage, and at least one fireproof valve which is arranged horizontally and prevents smoke from spreading in the vertical exhaust passage is disposed in the vertical exhaust passage. The vertical fireproof exhaust passage system of the house building is simple in structure, when a storey of the building is in fire, a vertical air duct, namely the shared vertical exhaust passage of the building, can be closed in a subsection manner, so that 'chimney' effect is avoided, and smoke and fire spreading of the vertical exhaust passage can be stopped.
Description
Technical field
The utility model relates to a kind of building exhaust system, particularly relates to a kind of building building construction exhaust duct system that vertically prevents fires.
Background technology
Existing building and highrise building all are provided with vertical hoistway such as staircase, elevator shaft, piping shaft, cable shaft, exhaust duct and exhaust duct, these vertical hoistways can be as a towering chimney after fire takes place, become the approach of The fire spreads quickly, and building is high more, and " chimney " effect is obvious more.And general way is that each layer kitchen, washroom are connected with shared air channel respectively now, and shared air channel is vertical exhaust duct, is equipped with exhaust opening between each kitchen, washroom and the vertical exhaust duct, is provided with fire-preventing check valve in exhaust opening.But the fire prevention retaining element is set in exhaust opening, can only prevents that pyrotechnics from spreading and pour in down a chimney into each indoor.But because building all is highrise building mostly now, in case breaking out of fire, if it is on fire in one deck, though being communicated with the retaining element of preventing fires in other the horizontal air channel, each family closes, but can not be with all vertical exhaust duct closed allround in the building, pyrotechnics meeting rapid spread causes the very fast catching fire of monolithic architecture thing in the vertical exhaust duct.According to statistics 990 of fire of high-rise building took place over 2 years, direct economic loss reaches 3.3 hundred million yuan.And according to mensuration, when fire, height is 100 meters a highrise building, and under unobstructed situation, flue gas diffuses to top layer along vertical hoistway only needs 30 seconds, moment whole building building can form the destructive power that " the three-dimensional scene of a fire " aggravated fire.
Summary of the invention
The utility model is finished in order to solve deficiency of the prior art, the purpose of this utility model provide a kind of simple in structure, wherein during one deck catching fire, can be that the shared vertical exhaust duct segmentation of building is closed with vertical exhaust duct, avoid forming " chimney ", can break off pyrotechnics spreads in the vertical exhaust duct the building construction exhaust duct system that vertically prevents fires.
A kind of building construction of the present utility model exhaust duct system that vertically prevents fires, comprise the vertical exhaust duct that the exhaust port device that is communicated with resident family respectively and whole building vertical are provided with, described each exhaust port device all communicates with described vertical exhaust duct, and a horizontally disposed fire resisting damper that prevents that flue gas from spreading in vertical exhaust duct is set in the described vertical exhaust duct at least.
A kind of building construction of the present utility model exhaust duct system that vertically prevents fires can also be:
In the described vertical exhaust duct at least one fire resisting damper is set evenly.
Described fire resisting damper is provided with device for fusing, and described device for fusing is connected with alarm.
At described building top blast cap is set, described blast cap is positioned at the top of described vertical exhaust duct.
Independent fire prevention retaining element is set in described each exhaust port device.
A kind of building construction of the present utility model exhaust duct system that vertically prevents fires, in terms of existing technologies, owing to comprise the vertical exhaust duct of the exhaust port device that is communicated with resident family respectively and whole building vertical setting, described each exhaust port device all communicates with described vertical exhaust duct, and a horizontally disposed fire resisting damper that prevents that flue gas from spreading in vertical exhaust duct is set in the described vertical exhaust duct at least.Like this, in vertical exhaust duct, be horizontally disposed with at least one fire resisting damper vertical exhaust duct is divided at least two closed zones, in case pyrotechnics appears in a certain floor, fire resisting damper is closed after experiencing high temperature, with the conflagration area sealing, stop the pyrotechnics of bottom to spread to high level, avoid forming " chimney " effect, avoid pyrotechnics to spread simultaneously, prevent that one deck breaking out of fire from spreading to all floors by vertical exhaust duct to other other zones.
Description of drawings
A kind of building construction of Fig. 1 the utility model exhaust duct system embodiment schematic diagram of vertically preventing fires.
The figure number explanation
1 ... vertical exhaust duct 2 ... fire resisting damper 3 ... blast cap 4 ... floor
5 ... exhaust port device
The specific embodiment
Below in conjunction with Fig. 1 of accompanying drawing the building construction of the present utility model exhaust duct system that vertically prevents fires is described in further detail.
A kind of building building construction of the present utility model exhaust duct system that vertically prevents fires, please refer to Fig. 1, comprise the vertical exhaust duct 1 that the exhaust port device that is communicated with resident family respectively and whole building vertical are provided with, described each exhaust port device all communicates with described vertical exhaust duct 1, and a horizontally disposed fire resisting damper 2 that prevents that flue gas from spreading in vertical exhaust duct 1 is set in the described vertical exhaust duct 1 at least.Each floor is made of the space between the floor 4.Like this, in vertical exhaust duct 1, be horizontally disposed with at least one fire resisting damper 2 vertical exhaust duct 1 is divided at least two closed zones, in case pyrotechnics appears in a certain floor, fire resisting damper 2 is closed after experiencing high temperature, with the conflagration area sealing, stop the pyrotechnics of bottom to spread to high level, avoid forming " chimney " effect, avoid pyrotechnics to spread simultaneously, prevent that one deck breaking out of fire from spreading to all floors by vertical exhaust duct to other other zones.
A kind of building building construction of the present utility model exhaust duct system that vertically prevents fires please refer to Fig. 1, can also be that at least one fire resisting damper 2 evenly is set in the described vertical exhaust duct 1.Evenly the advantage that is provided with is to guarantee that the separation probability is identical.
A kind of building building construction of the present utility model exhaust duct system that vertically prevents fires please refer to Fig. 1, and further described specifically fire resisting damper 2 is provided with device for fusing, and described device for fusing is connected with alarm.When in the vertical exhaust duct 1 high temperature pyrotechnics being arranged, device for fusing at high temperature fuses, and closes fire resisting damper, seals this zone like this, and the people of floor had fire near alarm buzzer sounded and reminds.Further optimized technical scheme is for to be provided with blast cap 3 at described building top, and described blast cap 3 is positioned at the top of described vertical exhaust duct 1.The effect of blast cap 3 is to prevent to pour in down a chimney, and helps in the exhaust duct wind and discharge as early as possible.In addition, can also be that independent fire prevention retaining element is set in described each vent device.So not only vertical exhaust duct 1 is separated, and vertical exhaust duct 1 is separated per family with each, it is indoor to avoid pyrotechnics to spread to each.Fire resisting damper and fire prevention retaining element can be selected existing fire resisting damper and fire prevention retaining element for use, as fire resisting damper and the fire prevention retaining element that uses the applicant to apply for and patent.
Above-mentionedly only several specific embodiments in the utility model are illustrated; but can not be as protection domain of the present utility model; every equivalence variation of having done according to the design spirit in the utility model or modification or equal proportion are amplified or are dwindled etc., all should think to fall into protection domain of the present utility model.
Claims (5)
1. building construction exhaust duct system that vertically prevents fires, it is characterized in that: comprise the vertical exhaust duct that the exhaust port device that is communicated with resident family respectively and whole building vertical are provided with, described each exhaust port device all communicates with described vertical exhaust duct, and a horizontally disposed fire resisting damper that prevents that flue gas from spreading in vertical exhaust duct is set in the described vertical exhaust duct at least.
2. a kind of building construction according to claim 1 exhaust duct system that vertically prevents fires is characterized in that: in the described vertical exhaust duct at least one fire resisting damper is set evenly.
3. a kind of building construction according to claim 1 and 2 exhaust duct system that vertically prevents fires, it is characterized in that: described fire resisting damper is provided with device for fusing, and described device for fusing is connected with alarm.
4. a kind of building construction according to claim 3 exhaust duct system that vertically prevents fires, it is characterized in that: at described building top blast cap is set, described blast cap is positioned at the top of described vertical exhaust duct.
5. a kind of building construction according to claim 1 and 2 exhaust duct system that vertically prevents fires is characterized in that: independent fire prevention retaining element is set in described each exhaust port device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200676317U CN202055492U (en) | 2011-03-15 | 2011-03-15 | Vertical fireproof exhaust passage system of house building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200676317U CN202055492U (en) | 2011-03-15 | 2011-03-15 | Vertical fireproof exhaust passage system of house building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202055492U true CN202055492U (en) | 2011-11-30 |
Family
ID=45015468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200676317U Ceased CN202055492U (en) | 2011-03-15 | 2011-03-15 | Vertical fireproof exhaust passage system of house building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202055492U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102677869A (en) * | 2011-03-15 | 2012-09-19 | 张晓强 | Vertical fire-proof exhaust channel system for house building |
-
2011
- 2011-03-15 CN CN2011200676317U patent/CN202055492U/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102677869A (en) * | 2011-03-15 | 2012-09-19 | 张晓强 | Vertical fire-proof exhaust channel system for house building |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C35 | Partial or whole invalidation of patent or utility model | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20120814 Decision number of declaring invalidation: 19097 Granted publication date: 20111130 |