CN216592074U - Smoke exhaust and air exhaust system for underground garage of residence - Google Patents
Smoke exhaust and air exhaust system for underground garage of residence Download PDFInfo
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- CN216592074U CN216592074U CN202123303638.7U CN202123303638U CN216592074U CN 216592074 U CN216592074 U CN 216592074U CN 202123303638 U CN202123303638 U CN 202123303638U CN 216592074 U CN216592074 U CN 216592074U
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Abstract
The utility model discloses a smoke exhaust and air exhaust system for a residential underground garage, which comprises a smoke exhaust and air exhaust machine room and an air collection chamber, wherein a fire-fighting smoke exhaust fan, an ordinary air exhaust fan, an active carbon adsorption device and a noise elimination collecting box are arranged in the smoke exhaust and air exhaust machine room, and the outlet ends of the fire-fighting smoke exhaust fan and the ordinary air exhaust fan are communicated with the air collection chamber; the inlet ends of the fire-fighting smoke exhaust fan and the peacetime exhaust fan are both communicated with the activated carbon adsorption device; the inlet of the active carbon adsorption device is communicated with a silencing connecting pipe box, and the silencing connecting pipe box is also communicated with a smoke exhaust and air exhaust shared pipeline and an independent air exhaust pipeline; the smoke and air exhaust shared pipeline penetrates out of the side wall of the smoke and air exhaust fan room and enters the garage, and a support pipe and a smoke and air exhaust shared air port are arranged at the top of the smoke and air exhaust shared pipeline; the independent exhaust pipeline extends to the side wall of the smoke exhaust and exhaust fan room and is provided with an independent exhaust air port; the system is used for solving the problems that the smoke exhaust and air exhaust system of the conventional garage occupies floor height, the area of the ground garage is large, the pipeline is difficult to arrange comprehensively, the construction cost is increased, and the tail gas of the automobile causes environmental pollution and the like.
Description
Technical Field
The utility model relates to a house underground garage exhaust system that discharges fume belongs to warm logical technical field.
Background
In recent years, the use amount of automobiles is increased rapidly, underground garages are arranged in newly-built residential buildings, and in order to solve the problems of emission of toxic and harmful smoke and exhaust of peaceful automobiles in fire of the garages, a common method is to arrange a set of smoke exhaust and exhaust sharing system in a smoke prevention subarea.
The following problems are mainly faced at present: firstly, the limitation of the height of a ground reservoir layer and the arrangement requirements of comprehensive pipelines among three specialties of water, heating and electricity; secondly, the area of a fan room is limited due to the control of the number of the parking spaces; and thirdly, automobile tail gas and fire smoke are directly discharged outdoors through a smoke exhaust and exhaust system, so that atmospheric environment pollution is caused, and a gas collection chamber and an exhaust vertical shaft are corroded and blocked in serious cases.
The floor height is 3.5m, the clear height of the garage plate bottom is 3.3m, the beam height is 550mm, and the area of one smoke-proof subarea is 2000m2Underground garage of (2) as an example; according to the design fire protection specification of garage, garage and parking lot (GB 50067-2014) table 8.2.5, the smoke discharge amount of a smoke-proof subarea is 30450 m3According to 4.3.2 in the technical measures of national civil building engineering design, ventilation and air conditioning, power (2009), the ordinary exhaust air volume of the garage of the residential building can be known according to the height of 3m layers and the air exchange times/h and the single vehicle volume of 300m3/h，Checking and calculating according to the dilution concentration method, taking the large values of the three, and calculating the exhaust air volume to be 24000 m3H; according to the technical standard of building smoke and exhaust prevention systems (GB 512512017), the wind speed of a smoke exhaust pipeline needs to be controlled to be below 20m/s, a droop type spraying system is arranged for improving the net height of a garage and avoiding the situation that the width of an air pipe is larger than 1200mm, and the thickness of an outer heat insulation layer of the air pipe is 50mm, so that the size of a main trunk pipe of the smoke exhaust and exhaust shared pipeline of the smoke exhaust and exhaust shared system is 1100x400mm, but when the smoke exhaust and exhaust shared pipeline is used as a normal-time exhaust system, the wind speed of the smoke exhaust and exhaust shared pipeline exceeds 10m/s, and serious noise pollution problems are caused; in order to reduce noise, the ordinary exhaust air speed needs to be reduced, and the conventional method is to add an exhaust and smoke-discharging shared main pipe at the outlet of a machine room, so that the construction cost is increased, and the smoke-discharging effect is influenced because the air speed of a smoke-discharging air pipe is low in case of fire; in addition, in the conventional smoke exhaust and air exhaust system, a smoke exhaust and air exhaust shared air port is arranged at the bottom of a smoke exhaust and air exhaust shared pipeline, the garage clear height needs to be controlled to be 2.2m, and the elevation of the bottom of a smoke blocking vertical wall for separating smoke prevention subareas is 2.2 m; arranging the smoke exhaust and air exhaust shared pipeline close to the bottom of the beam, and reserving an installation space of 50mm during construction, wherein the elevation of the bottom of the smoke exhaust and air exhaust shared pipeline is 3.5-0.55-0.05-0.4=2.5m, namely the central elevation of a smoke exhaust and air exhaust shared air port arranged at the bottom of the smoke exhaust and air exhaust shared pipeline is 2.5m, the thickness of the smoke layer is 0.3m through calculation, and the maximum smoke discharge quantity of a single smoke exhaust and air exhaust shared air port is 704m through smoke exhaust calculation3A smoke-proof subarea needs to be provided with 44 smoke-discharging and air-discharging shared air ports with the size of 200x200mm to meet the requirement, and the smoke-discharging and air-discharging system is shown in a general drawing in figure 4; obviously, the conventional design method can increase the length of the smoke exhaust and air exhaust shared pipeline, increase the number of the smoke exhaust and air exhaust shared air ports and cause higher construction cost.
Disclosure of Invention
The utility model aims at providing a house underground garage exhaust air system that discharges fume for solve conventional garage occupy the floor height and the ground storehouse area, the pipeline is synthesized and is difficult to arrange, construction cost increases and automobile exhaust causes environmental pollution scheduling problem, provides one kind.
In order to realize the above object, the utility model adopts the following technical scheme:
a smoke exhaust and exhaust system of a residential underground garage comprises a smoke exhaust and exhaust fan room and a gas collection chamber provided with an exhaust vertical shaft, wherein a fire-fighting smoke exhaust fan, a normal-time exhaust fan, an active carbon adsorption device and a silencing header box are arranged in the smoke exhaust and exhaust fan room, the outlet end of the fire-fighting smoke exhaust fan is communicated with the gas collection chamber through a smoke exhaust pipeline, and a check valve is arranged on the smoke exhaust pipeline; the inlet end of the fire-fighting smoke exhaust fan is communicated with the first outlet of the activated carbon adsorption device; the outlet end of the ordinary exhaust fan is communicated with the gas collection chamber through an exhaust pipeline, and a check valve is arranged on the exhaust pipeline; the inlet end of the ordinary exhaust fan is communicated with the second outlet of the activated carbon adsorption device; the inlet of the active carbon adsorption device is communicated with a silencing connecting pipe box, and the silencing connecting pipe box is also communicated with a smoke exhaust and air exhaust shared pipeline and an independent air exhaust pipeline; the smoke and air exhausting shared pipeline penetrates out of the side wall of the smoke and air exhausting fan room and enters the garage, a supporting pipe is arranged at the top of the smoke and air exhausting shared pipeline positioned in a beam nest of the garage, and smoke and air exhausting shared air ports are respectively arranged on the side surfaces of two sides of the supporting pipe; the independent exhaust duct extends to the side wall of the smoke exhaust and exhaust fan room, and an independent exhaust air port communicated with the independent exhaust duct is arranged on the side wall of the smoke exhaust and exhaust fan room.
As a further preference of the utility model, the fire-fighting smoke exhaust fan is arranged in a hoisting manner inside the smoke exhaust fan room, and the ordinary exhaust fan is arranged on the ground inside the smoke exhaust fan room; the activated carbon adsorption device is arranged in the smoke exhaust and exhaust fan room, one side close to the air collection chamber is connected with the fire-fighting smoke exhaust fan, the bottom of the activated carbon adsorption device is connected with the ordinary exhaust fan, and one side far away from the air collection chamber is connected with the silencing connection pipe box.
As the utility model discloses a further preferred, the entry end of the fan of airing exhaust at ordinary times passes through switching pipeline and the export intercommunication of active carbon adsorption device second, and the export of active carbon adsorption device second is located active carbon adsorption device's bottom.
As a further preference of the utility model, the entry end of the fan of airing exhaust at ordinary times is connected with the switching pipeline through the soft joint.
As a further preference of the utility model, the exit end of the fan of airing exhaust at ordinary times is connected with the exhaust duct through the soft joint.
As the utility model discloses a further preferred, be provided with the fire prevention valve on the exhaust pipe.
As a further preferred option of the utility model, the smoke exhaust pipeline is provided with a first smoke exhaust fire damper.
As a further preference of the utility model, a second smoke exhaust fire prevention valve is arranged on the smoke exhaust and air exhaust shared pipeline positioned in the smoke exhaust and air exhaust fan room, and the second smoke exhaust fire prevention valve has an electric signal output function; the working state of the second smoke exhaust fire damper can be known according to the electric signal output by the second smoke exhaust fire damper.
As a further preference of the utility model, the independent exhaust duct is provided with a smoke-proof fire-proof valve, and the smoke-proof fire-proof valve has an electric signal output function; the working state of the smoke-proof fire-proof valve can be known according to the electric signal output by the smoke-proof fire-proof valve.
As the utility model discloses a further preferred, it arranges in garage parking stall top with extending apart from garage beam bottom 50 mm's position after wearing out on the side wall in the exhaust fan room to discharge fume shared pipeline of airing exhaust.
The utility model discloses an useful part lies in:
the support pipes are arranged at the tops of the smoke exhaust and air exhaust shared pipelines in the garage beam nest, and the smoke exhaust and air exhaust shared air ports are arranged on two sides of each support pipe, so that the thickness of a smoke layer is improved, the smoke exhaust amount of a single smoke exhaust and air exhaust shared air port is increased, the number of the smoke exhaust and air exhaust shared air ports is reduced, the length of the smoke exhaust and air exhaust shared pipelines can be reduced by arranging independent air exhaust pipelines and independent air exhaust ports, and the requirements of improving the garage net height, reducing the construction cost, facilitating later installation and the like are met; and the active carbon adsorption device is arranged at the outlet of the silencing connecting pipe box, so that automobile tail gas and toxic and harmful smoke in fire can be effectively purified, the atmospheric environment is protected, and the corrosion and blockage of the gas collection chamber and the air exhaust vertical shaft are prevented.
Drawings
Fig. 1 is a schematic structural view of the utility model when the smoke exhaust and air exhaust shared pipeline and the smoke exhaust and air exhaust shared air port are installed inside the garage;
fig. 2 is a schematic top view of the interior of the smoke exhaust and air exhaust fan room of the present invention;
fig. 3 is a schematic side view of the interior of the smoke exhaust ventilator room of the present invention, i.e., a sectional view taken along the direction a in fig. 2;
FIG. 4 is a schematic structural view of a prior art with a combined air inlet for smoke and air exhaust at the bottom of a combined pipeline for smoke and air exhaust and installed inside a garage;
the meaning of the reference symbols in the figures:
1-a gas collection chamber, 2-a smoke exhaust and air exhaust house, 3-a fire protection and smoke exhaust fan, 4-a normal exhaust fan, 5-an activated carbon adsorption device, 6-a sound elimination junction box, 7-a smoke exhaust and air exhaust shared pipeline, 8-a vertical pipe, 9-a smoke exhaust and air exhaust shared air port, 10-an independent exhaust pipeline, 11-an independent exhaust air port, 12-a first smoke exhaust fire damper, 13-a fire damper, 14-a check valve, 15-a second smoke exhaust fire damper, 16-a smoke exhaust fire damper, 17-a soft joint, 18-a smoke baffle vertical wall, 19-a design clear height, 20-a switching pipeline, 21-a smoke exhaust pipeline and 22-an exhaust pipeline.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-3, the present embodiment is a smoke exhaust and exhaust system for a residential underground garage, which includes a smoke exhaust and exhaust fan room 2 and a collection chamber 1 with an exhaust vertical shaft, a fire-fighting smoke exhaust fan 3, an ordinary exhaust fan 4, an activated carbon adsorption device 5 and a silencing collection chamber 6 are arranged inside the smoke exhaust and exhaust fan room 2, an outlet end of the fire-fighting smoke exhaust fan 3 is communicated with the collection chamber 1 through a smoke exhaust pipeline 21, and a check valve 14 is arranged on the smoke exhaust pipeline 21; the inlet end of the fire-fighting smoke exhaust fan 3 is communicated with the first outlet of the activated carbon adsorption device 5; the outlet end of the exhaust fan 4 is communicated with the gas collection chamber 1 through an exhaust duct 22 at ordinary times, and a check valve 14 is arranged on the exhaust duct 22; the inlet end of the exhaust fan 4 is communicated with the second outlet of the active carbon adsorption device 5 at ordinary times; the inlet of the active carbon adsorption device 5 is communicated with a silencing receiving box 6, and the silencing receiving box 6 is also communicated with a smoke exhaust and air exhaust shared pipeline 7 and an independent air exhaust pipeline 10; a smoke and air exhausting shared pipeline 7 penetrates out of the side wall of the smoke and air exhausting fan room 2 to enter the garage, a supporting pipe 8 is arranged at the top of the smoke and air exhausting shared pipeline 7 positioned in a beam nest of the garage, and smoke and air exhausting shared air ports 9 are respectively arranged on the side surfaces of two sides of the supporting pipe 8; the independent exhaust duct 10 extends to the side wall of the smoke exhaust and exhaust fan room 2, and an independent exhaust air port 11 communicated with the independent exhaust duct 10 is arranged on the side wall of the smoke exhaust and exhaust fan room 2.
In the embodiment, the fire-fighting smoke exhaust fan 3 is arranged in the smoke exhaust fan room 2 in a hoisting manner, and the exhaust fan 4 is arranged in the smoke exhaust fan room 2 in a landing manner at ordinary times; the activated carbon adsorption device 5 is arranged in the smoke exhaust and exhaust fan room 2, one side close to the air collection chamber 1 is connected with the fire-fighting smoke exhaust fan 3, the bottom of the activated carbon adsorption device is connected with the ordinary exhaust fan 4, and one side far away from the air collection chamber 1 is connected with the noise elimination header box 6.
In this embodiment, the inlet end of the exhaust fan 4 is communicated with the second outlet of the activated carbon adsorption device 5 through the switching pipe 20, and the second outlet of the activated carbon adsorption device 5 is located at the bottom of the activated carbon adsorption device 5.
In the embodiment, the inlet end of the exhaust fan 4 is connected with the switching pipeline 20 through the soft joint 17 at ordinary times; the outlet end of the exhaust fan 4 is connected with the exhaust duct 22 through the soft joint 17 at ordinary times; the exhaust duct 22 is provided with a fire damper 13.
In this embodiment, the smoke exhaust duct 21 is provided with a first smoke exhaust fire damper 12; a second smoke exhaust fire damper 15 is arranged on the smoke exhaust and air exhaust shared pipeline 7 positioned in the smoke exhaust and air exhaust fan room 2, and the second smoke exhaust fire damper 15 has an electric signal output function; the working state of the second smoke exhaust fire damper 15 can be known according to the electric signal output by the second smoke exhaust fire damper 15.
In this embodiment, the smoke-proof and fire-proof valve 16 is arranged on the independent exhaust duct 10, and the smoke-proof and fire-proof valve 16 has an electric signal output function; the working state of the smoke-proof fire-proof valve 16 can be known according to the electric signal output by the smoke-proof fire-proof valve 16.
In this embodiment, the shared exhaust and exhaust pipeline 7 is extended and arranged above the parking space of the garage at a position 50mm away from the bottom of the garage beam after penetrating out of the side wall of the exhaust and exhaust fan room 2.
In this example, the layer height is 3.5m, the clear height of the bottom is 3.3m, the beam height is 550mm, and the area of a smoke-proof partition is 2000m2After smoke exhaust and air exhaust design is carried out on the underground garage, the size of a smoke exhaust and air exhaust shared pipeline 7 connected with the silencing connecting box 6 is 1100x400mm, the smoke exhaust and air exhaust shared pipeline 7 penetrates through the side wall of a smoke exhaust and air exhaust fan room 2 and then is arranged above a garage parking space in an extending mode in a reserved installation space 50mm away from the bottom of a garage beam, the height of the bottom of the smoke exhaust and air exhaust shared pipeline 7 is 2.5m, the height of the bottom edge of a smoke blocking vertical wall 18 is 2.2m, a supporting pipe 8 is arranged at the top of the smoke exhaust and air exhaust shared pipeline 7 in a garage beam pit, and six smoke exhaust and air exhaust shared air ports 200mm are arranged on two sides of the supporting pipe 8 in total, so that the thickness of a smoke layer is 0.9m, the thickness of the smoke layer is improved, the smoke exhaust amount of a single smoke exhaust and air shared air port 359 is increased, and the number of the smoke exhaust and air shared air ports 359 is reduced; as shown in fig. 1, the dashed line in the horizontal direction in the figure is the design definition height 19; the size of an independent exhaust pipeline 10 connected with the noise elimination collecting box 6 is 1000x1000mm, the independent exhaust pipeline 10 is connected to the side wall of the smoke exhaust and exhaust fan room 2 through a smoke-proof and fire-proof valve 16, and an independent exhaust air port 11 with the size of 1000x1000mm is arranged on the side wall of the smoke exhaust and exhaust fan room 2 and used for daily exhaust work; an outlet of a silencing pipe box 6 in the smoke exhaust and exhaust fan room 2, which is close to one side of the gas collection chamber 1, is provided with an activated carbon adsorption device 5 for purifying automobile tail gas and preventing the automobile tail gas in an underground garage from directly entering the atmospheric environment through a smoke exhaust and exhaust system to pollute the atmospheric environment.
The utility model discloses a set up the pillar pipe at the shared pipeline top of exhaust fume and air in the garage beam nest, and set up the shared wind gap of exhaust fume and air on both sides of pillar pipe, in order to improve the smoke layer thickness, increase the single exhaust fume and air share wind gap smoke discharge capacity, reduce the shared wind gap quantity of exhaust fume and air, can also utilize and set up independent exhaust duct and independent air gap of exhaust air to reduce the shared pipeline length of exhaust fume and air, satisfy the requirements such as improving the garage net height, reducing the construction cost, convenient later stage installation; and the active carbon adsorption device is arranged at the outlet of the silencing connecting pipe box, so that automobile tail gas and toxic and harmful smoke in fire can be effectively purified, the atmospheric environment is protected, and the corrosion and blockage of the gas collection chamber and the air exhaust vertical shaft are prevented.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention; furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; can be mechanically or electrically connected; the two elements can be directly connected, indirectly connected through an intermediate medium, or communicated with each other inside; the specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The foregoing shows and describes the general principles, principal features and advantages of the invention; it should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by adopting equivalent replacement or equivalent transformation modes fall within the protection scope of the present invention.
Claims (10)
1. A smoke exhaust and air exhaust system for an underground garage of a residence is characterized in that: the smoke exhaust and exhaust system comprises a smoke exhaust and exhaust fan room and a gas collection chamber provided with an air exhaust vertical shaft, wherein a fire-fighting smoke exhaust fan, an ordinary air exhaust fan, an active carbon adsorption device and a silencing header box are arranged in the smoke exhaust and exhaust fan room, the outlet end of the fire-fighting smoke exhaust fan is communicated with the gas collection chamber through a smoke exhaust pipeline, and a check valve is arranged on the smoke exhaust pipeline; the inlet end of the fire-fighting smoke exhaust fan is communicated with the first outlet of the activated carbon adsorption device; the outlet end of the ordinary exhaust fan is communicated with the gas collection chamber through an exhaust pipeline, and a check valve is arranged on the exhaust pipeline; the inlet end of the ordinary exhaust fan is communicated with the second outlet of the activated carbon adsorption device; the inlet of the active carbon adsorption device is communicated with a silencing connecting pipe box, and the silencing connecting pipe box is also communicated with a smoke exhaust and air exhaust shared pipeline and an independent air exhaust pipeline; the smoke and air exhausting shared pipeline penetrates out of the side wall of the smoke and air exhausting fan room and enters the garage, a supporting pipe is arranged at the top of the smoke and air exhausting shared pipeline positioned in a beam nest of the garage, and smoke and air exhausting shared air ports are respectively arranged on the side surfaces of two sides of the supporting pipe; the independent exhaust duct extends to the side wall of the smoke exhaust and exhaust fan room, and an independent exhaust air port communicated with the independent exhaust duct is arranged on the side wall of the smoke exhaust and exhaust fan room.
2. The system of claim 1, wherein the fire protection and smoke exhaust fan is suspended inside the smoke exhaust fan room, and the ordinary exhaust fan is suspended inside the smoke exhaust fan room.
3. The system of claim 1 or 2, wherein the inlet end of the ordinary exhaust fan is connected to the second outlet of the activated carbon adsorption device through a transfer duct, and the second outlet of the activated carbon adsorption device is located at the bottom of the activated carbon adsorption device.
4. The system of claim 3, wherein the inlet end of the ordinary exhaust fan is connected to the transition duct by a flexible joint.
5. The system of claim 1, wherein the outlet of the fan is connected to the exhaust duct by a flexible joint.
6. A smoke and air exhausting system for underground garage of residence according to claim 1 or 5, wherein said air exhausting duct is provided with a fire damper.
7. A smoke exhaust and exhaust system for an underground garage of a residence according to claim 1, wherein the smoke exhaust duct is provided with a first smoke exhaust fire damper.
8. The system of claim 1, wherein a second smoke exhaust and fire protection valve is installed on the combined smoke exhaust and air exhaust duct inside the smoke exhaust and air exhaust fan room, and the second smoke exhaust and fire protection valve has an electrical signal output function.
9. The system of claim 1, wherein the independent exhaust duct is provided with a smoke and fire prevention valve, and the smoke and fire prevention valve has an electrical signal output function.
10. The system of claim 1, wherein the combined smoke and air exhaust duct extends out of the side wall of the room and is disposed above the garage space at a distance of 50mm from the bottom of the garage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123303638.7U CN216592074U (en) | 2021-12-27 | 2021-12-27 | Smoke exhaust and air exhaust system for underground garage of residence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123303638.7U CN216592074U (en) | 2021-12-27 | 2021-12-27 | Smoke exhaust and air exhaust system for underground garage of residence |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216592074U true CN216592074U (en) | 2022-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123303638.7U Active CN216592074U (en) | 2021-12-27 | 2021-12-27 | Smoke exhaust and air exhaust system for underground garage of residence |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216592074U (en) |
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2021
- 2021-12-27 CN CN202123303638.7U patent/CN216592074U/en active Active
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