CN212157540U - Fire-fighting smoke exhaust system - Google Patents
Fire-fighting smoke exhaust system Download PDFInfo
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- CN212157540U CN212157540U CN202020264450.2U CN202020264450U CN212157540U CN 212157540 U CN212157540 U CN 212157540U CN 202020264450 U CN202020264450 U CN 202020264450U CN 212157540 U CN212157540 U CN 212157540U
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Abstract
The utility model relates to a fire-fighting smoke exhaust system, which comprises a smoke exhaust fan arranged in a smoke exhaust machine room, a main pipe, a plurality of riser groups, a plurality of terminal branch pipes and a plurality of horizontal pipes, wherein each riser group comprises a plurality of risers which are communicated in sequence; one end of the main pipe is communicated with the smoke exhaust fan, and a plurality of vertical pipe groups are uniformly arranged at the other end of the main pipe and on the main pipe; a plurality of terminal branch pipes are uniformly arranged on the vertical pipe in each group of vertical pipe groups, and each terminal branch pipe is communicated with one horizontal pipe; the utility model discloses reduced the influence of horizontal pipe to the net height in plane of discharging fume, reduced the net high requirement of electric pipeline installation in the commercial complex.
Description
Technical Field
The utility model relates to a fire control system of discharging fume belongs to fire control smoke exhaust structure field.
Background
Regarding the national standard requirement of the fire-fighting smoke exhaust system, the calculation is carried out according to the maximum value of the sum of the smoke exhaust amount of any two maximum smoke-proof subareas in the fire-proof subareas, and the result can cause the horizontal main pipe to bear two areas, so that the size of the smoke exhaust air pipe is larger, for example, the area of each area is 500m2Calculating to obtain total required air volume of 60000m3The size of the smoke exhaust air pipe is large, and for a vertical system, the maximum air volume of all fire prevention subareas in the vertical direction where the smoke exhaust air pipe bears, namely the total air volume is 60000m3H, then the exhaust airThe tubes are also required to be of a relatively large size, and this arrangement allows the system to be run horizontally across the entire common area, thus having a relatively large impact on the net height of the suspended ceiling.
SUMMERY OF THE UTILITY MODEL
The utility model provides a fire control system of discharging fume has reduced the influence of the horizontal pipe of discharging fume to the net height in plane, has optimized the electromechanical pipeline integrated design degree of difficulty.
The utility model provides a technical scheme that its technical problem adopted is:
a fire-fighting smoke exhaust system comprises a smoke exhaust fan arranged in a smoke exhaust machine room, and further comprises a main pipe, a plurality of vertical pipe groups, a plurality of tail end branch pipes and a plurality of horizontal pipes, wherein each vertical pipe group comprises a plurality of vertical pipes which are sequentially communicated;
one end of the main pipe is communicated with the smoke exhaust fan, and a plurality of vertical pipe groups are uniformly arranged at the other end of the main pipe and on the main pipe;
a plurality of terminal branch pipes are uniformly arranged on the vertical pipe in each group of vertical pipe groups, and each terminal branch pipe is communicated with one horizontal pipe;
as a further preference of the utility model, a PYH.1 normally closed smoke exhaust fire damper and an PYH normally open smoke exhaust fire damper are sequentially arranged on each horizontal pipe;
as a further preference of the utility model, PYH normally open smoke exhaust fire prevention valves are installed on each vertical pipe;
the diameter of the stand pipe is 700 mm;
as a further preference of the utility model, a pyh.2 normally open smoke exhaust fire damper is also arranged in the smoke exhaust machine room and is communicated with the smoke exhaust fan and the main pipe at the same time;
as a further preference of the present invention, the distance between adjacent risers is less than or equal to 30 m;
as a further preferred aspect of the present invention, the diameter of the horizontal pipe is 700mm, and the diameter of the end branch pipe is 700 mm;
as a further preferred aspect of the present invention, the diameter of the main pipe is 1000 mm.
Through above technical scheme, for prior art, the utility model discloses following beneficial effect has:
1. the utility model ensures that each horizontal pipe only bears the smoke discharge amount of one region through the uniform arrangement of the plurality of horizontal pipes, so that the size of the horizontal pipe is greatly reduced;
2. the utility model discloses an even setting of a plurality of risers guarantees that every riser only bears the regional maximum amount of wind of this riser place can, when reducing the riser size, can let the riser cover the maximum range of fire prevention subregion.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic diagram of a conventional fire-fighting smoke evacuation system;
fig. 2 is a schematic structural view of a fire-fighting smoke exhaust system according to a preferred embodiment of the present invention.
In the figure: 1 is smoke exhaust fan, 2 is responsible for, 3 is the riser, 4 is terminal branch pipe, 5 is the horizontal pipe, 6 is PYH normally open smoke exhaust fire prevention valves, 7 is PYH.1 normally closed smoke exhaust fire prevention valves, 8 is PYH.2 normally open smoke exhaust fire prevention valves, 9 is the smoke protection subregion.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
Fig. 1 shows, among traditional fire control system of discharging fume, the riser of discharging fume, the horizontal pipe of discharging fume all bear the volume of discharging fume of two at least smoke protection subregion, and the terminal branch pipe of the horizontal pipe of discharging fume also needs the volume of discharging fume of a smoke protection subregion, so the system that riser of discharging fume, horizontal pipe of discharging fume and terminal branch pipe constitute will run through whole public area, not only makes the tuber pipe size of discharging fume in each region great, also has great influence to the net height of furred ceiling moreover.
The utility model provides a novel fire control system of discharging fume, only need set up a smoke exhaust fan, it communicates with many riser through being responsible for, many end branch pipe are reconnected to the riser, finally extend to many horizontal pipes, this kind of setting, make a smoke protection district cut apart into a plurality of smoke protection subregion, in vertical direction, every smoke protection subregion is discharged fume by corresponding the riser burden, in the horizontal direction, every smoke protection subregion is discharged fume by corresponding the horizontal pipe burden, not only the size of each tuber pipe has been reduced greatly, the influence of horizontal pipe to the net height in plane has been reduced to the at utmost simultaneously, room quality has been improved.
Example 1:
based on the premise, the application provides a preferred embodiment, as shown in fig. 2, a smoke exhaust fan 1 is arranged in a smoke exhaust machine room, one end of a main pipe 2 is communicated with the smoke exhaust fan 1, and a plurality of vertical pipes 3 are uniformly arranged at the other end of the main pipe 2 and on the main pipe 2; each group of the stand pipes 3 comprises a plurality of stand pipes 3 which are sequentially communicated, a plurality of terminal branch pipes 4 are uniformly arranged on the stand pipes 3 in each group of the stand pipes 3, and each terminal branch pipe 4 is communicated with one horizontal pipe 5; a PYH.1 normally closed smoke exhaust fire prevention valve 7 and an PYH normally open smoke exhaust fire prevention valve 6 are sequentially arranged on each horizontal pipe 5; PYH normally open smoke exhaust fire prevention valve 6 is installed on each vertical pipe 3; a PYH.2 normally open smoke exhaust fire damper 8 is also arranged in the smoke exhaust machine room and is communicated with the smoke exhaust fan 1 and the main pipe 2 simultaneously; PYH.1 normal close smoke exhaust fire prevention valve 7, it can long-rangely open or open manually on the spot when catching fire, PYH.2 normally opens smoke exhaust fire prevention valve 8 and smoke exhaust fan interlocking and closes.
In this way, one smoke-proof area is divided into a plurality of smoke-proof subareas 9, each horizontal pipe 5 only needs to bear the smoke discharge amount of one horizontal subarea, and the smoke discharge amount borne by each horizontal pipe 5 can be 60000m3The/h is reduced to 30000m3The diameter of the adopted air pipe can be reduced to 700mm, the size is reduced by nearly half, the arrangement of the plurality of vertical pipes 3 ensures that each vertical pipe 3 only bears the smoke discharge amount of the corresponding vertical partition, and the smoke discharge amount is 60000m3The/h is reduced to 30000m3The diameter of the adopted air pipe can be reduced to 700 mm;
meanwhile, each vertical pipe 3 can also be covered with a smoke-proof partition 9 in the maximum range, so that the covered radius is ensured to be within 30m, redundant horizontal pipes 5 are not needed to be arranged in the range, the influence of the horizontal pipes 5 on the plane net height is reduced to the maximum extent, and the difficulty of the integration of electromechanical pipelines is greatly optimized;
in the preferred embodiment, a plurality of sets of the stand pipes 3 are all communicated to the main pipe 2, and the main pipe 2 is connected to a smoke exhaust fan located in a smoke exhaust machine room, taking fig. 2 as an example, three stand pipes 3 are communicated with one main pipe 2, each stand pipe 3 is communicated with six terminal branch pipes 4, so that the main pipe 2 only needs to bear the smoke exhaust amount of two areas, and the diameter of the main pipe 2 is set at 1000 mm.
This application can reduce the influence of horizontal pipe 5 of discharging fume to the net height in plane by laying of above-mentioned embodiment by the at utmost, thereby improves the net height in room and improves the quality.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The meaning of "and/or" as used herein is intended to include both the individual components or both.
The term "connected" as used herein may mean either a direct connection between components or an indirect connection between components via other components.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. The utility model provides a fire control system of discharging fume, is including setting up the smoke exhaust fan in the computer lab of discharging fume, its characterized in that: the device also comprises a main pipe, a plurality of vertical pipe groups, a plurality of tail end branch pipes and a plurality of horizontal pipes, wherein each vertical pipe group comprises a plurality of vertical pipes which are sequentially communicated;
one end of the main pipe is communicated with the smoke exhaust fan, and a plurality of vertical pipe groups are uniformly arranged at the other end of the main pipe and on the main pipe;
a plurality of terminal branch pipes are uniformly arranged on the vertical pipes in each group of vertical pipe groups, and each terminal branch pipe is communicated with one horizontal pipe.
2. A fire protection and smoke evacuation system as claimed in claim 1 wherein: PYH.1 normally closed smoke exhaust fire prevention valves and PYH normally open smoke exhaust fire prevention valves are sequentially installed on each horizontal pipe.
3. A fire protection and smoke evacuation system as claimed in claim 1 wherein: PYH normally open smoke discharge fire prevention valves are installed on each vertical pipe;
the diameter of the riser is 700 mm.
4. A fire protection and smoke evacuation system as claimed in claim 1 wherein: the PYH.2 normally-open smoke exhaust fire prevention valve is further arranged in the smoke exhaust machine room and is communicated with the smoke exhaust fan and the main pipe simultaneously.
5. A fire protection and smoke evacuation system as claimed in claim 1 wherein: the distance between adjacent risers is less than or equal to 30 m.
6. A fire protection and smoke evacuation system as claimed in claim 1 wherein: the diameter of the horizontal pipe is 700mm, and the diameter of the end branch pipe is 700 mm.
7. A fire protection and smoke evacuation system as claimed in claim 1 wherein: the diameter of the main tube is 1000 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020264450.2U CN212157540U (en) | 2020-03-06 | 2020-03-06 | Fire-fighting smoke exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020264450.2U CN212157540U (en) | 2020-03-06 | 2020-03-06 | Fire-fighting smoke exhaust system |
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| Publication Number | Publication Date |
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| CN212157540U true CN212157540U (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020264450.2U Active CN212157540U (en) | 2020-03-06 | 2020-03-06 | Fire-fighting smoke exhaust system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114811799A (en) * | 2022-04-25 | 2022-07-29 | 湖北长湘联商贸有限公司 | Ventilation and smoke exhaust system and method for garage |
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2020
- 2020-03-06 CN CN202020264450.2U patent/CN212157540U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114811799A (en) * | 2022-04-25 | 2022-07-29 | 湖北长湘联商贸有限公司 | Ventilation and smoke exhaust system and method for garage |
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