CN111397070A - Vertical ventilation smoke prevention and discharge system for multi-layer underground garage - Google Patents
Vertical ventilation smoke prevention and discharge system for multi-layer underground garage Download PDFInfo
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- CN111397070A CN111397070A CN202010139224.6A CN202010139224A CN111397070A CN 111397070 A CN111397070 A CN 111397070A CN 202010139224 A CN202010139224 A CN 202010139224A CN 111397070 A CN111397070 A CN 111397070A
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- garage
- calcium hydroxide
- hydroxide solution
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/065—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit fan combined with single duct; mounting arrangements of a fan in a duct
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
- B01D47/021—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath by bubbling the gas through a liquid bath
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
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Abstract
The invention relates to the technical field of smoke prevention and exhaust of underground garages, and discloses a vertical ventilation and smoke prevention and exhaust system of a multi-layer underground garage, which comprises a smoke prevention system and a smoke exhaust system which are arranged in an escape stairway, wherein the smoke prevention system comprises a pressurizing fan, an air outlet pipeline and an air outlet which are sequentially connected, the smoke exhaust system comprises a plurality of air inlets arranged on each layer of the garage, a plurality of exhaust pipes and air outlets vertically arranged on the side wall of the garage, a closed calcium hydroxide solution pool is also arranged below the bottom layer of the garage, the upper ends of the exhaust pipes are connected with the air outlets, the lower ends of the exhaust pipes extend into the liquid level in the closed calcium hydroxide solution pool, and the air inlets are connected with the. The problems that the existing garage smoke prevention and exhaust system is single in smoke exhaust mode, low in exhaust pipe utilization rate and incapable of purifying smoke are solved.
Description
Technical Field
The invention relates to the technical field of underground garage smoke prevention and exhaust, in particular to a vertical ventilation smoke prevention and exhaust system of a multi-layer underground garage.
Background
Along with the rapid increase of the number of the vehicles at present, population is concentrated, in order to meet the parking space of the vehicles, a plurality of necessary supporting facilities of high-rise buildings are formed in a multi-layer underground garage, the ventilation condition is worse when the number of layers of the garage is more, particularly, most of the vehicles are gasoline vehicles at present, and a plurality of tail gases are generated in the time period of parking and leaving in the garage, so that the smoke in the garage is very much, and the smoke is difficult to automatically flow out of the garage.
At present, all underground garages are provided with a smoke prevention and exhaust system, and the smoke prevention and exhaust system is a general name of the smoke prevention system and the smoke exhaust system. The smoke prevention system adopts a mechanical pressurization air supply mode or a natural ventilation mode to prevent smoke from entering an evacuation channel; the smoke exhaust system adopts a mechanical smoke exhaust mode or a natural ventilation mode to exhaust smoke to a system outside the garage.
The smoke prevention system in the existing garage smoke prevention and exhaust system is sequentially connected through a booster fan, an air supply pipeline and an air supply opening, wherein the smoke exhaust system is sequentially connected through an air outlet, an exhaust pipeline and an air outlet, the exhaust mode of the smoke prevention and exhaust system is only the exhaust pipeline, the smoke discharge amount of the smoke prevention and exhaust system depends on the diameter of the exhaust pipeline and the size of the air outlet, when the smoke exhaust effect is increased, the number of the exhaust pipelines and the size of the air outlet can only be increased, in the smoke exhaust process, smoke cannot be purified, gas and smoke in the garage are directly exhausted to the periphery of a building, each exhaust pipeline is connected with one air outlet through one exhaust fan, the utilization rate of the exhaust pipeline is low, the smoke prevention system is always opened after smoke occurs, only the prevention effect can be achieved, and the prevention effect cannot be achieved.
Disclosure of Invention
Based on the problems, the invention provides a vertical ventilation, smoke prevention and exhaust system for a multi-layer underground garage, and solves the problems that the existing garage smoke prevention and exhaust system is single in smoke exhaust mode, low in exhaust pipe utilization rate and incapable of purifying smoke.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a vertical ventilation of multilayer underground garage prevents system of discharging fume, is including setting up at the smoke prevention system and the system of discharging fume of fleing the stairwell, smoke prevention system is including the booster fan, air-out pipeline, the air outlet that connect gradually, the system of discharging fume is including setting up at a plurality of air intakes, the vertical setting in a plurality of exhaust pipes of garage lateral wall, air exit, still is equipped with inclosed calcium hydrate solution pond below the garage bottom, the air exit is connected to the exhaust pipe upper end, and the lower extreme stretches into under the liquid level in the inclosed calcium hydrate solution pond, air intake connection the side of exhaust pipe.
According to the invention, the smoke prevention system is arranged in the escape stairwell to disperse smoke in the escape stairwell, the closed calcium hydroxide solution pool is arranged below the garage, when smoke is generated in the garage, the smoke enters the exhaust pipe from the air inlet, the smoke is exhausted out of the garage through the air outlet connected to the upper end of the exhaust pipe, the smoke is exhausted into the calcium hydroxide solution pool through the lower end of the exhaust pipe, so that the two ends of one exhaust pipe are exhausted, the exhaust speed is increased, the calcium hydroxide solution pool can absorb carbon dioxide, sulfur dioxide and other gases in the smoke, and the pollution of the gases exhausted from the air outlet to the environment is reduced. According to the invention, the calcium hydroxide solution pool is arranged below the garage, and the lower end of the exhaust pipe extends to the position below the liquid level in the calcium hydroxide solution pool, so that the exhaust pipe can lead out smoke in the garage through the upper end and the lower end, and the calcium hydroxide solution can absorb carbon dioxide, sulfur dioxide and other gases in the smoke, thereby solving the problems that the existing garage smoke prevention and exhaust system is single in smoke exhaust mode, low in exhaust pipe utilization rate and incapable of purifying the smoke.
As an preferred mode, all first air exhauster is all connected to the upper end of exhaust pipe, and the air exit is connected to the play wind portion of first air exhauster, the second suction fan is connected to the lower extreme of one of them part exhaust pipe among a plurality of exhaust pipes, and the play wind portion of second suction fan is connected in the branch pipe upper end of airing exhaust, the branch pipe lower extreme of airing exhaust stretches into under the liquid level in calcium hydroxide solution pond, the lower extreme of another part of wherein exhaust pipe among a plurality of exhaust pipes passes through relief valve and calcium hydroxide solution pond intercommunication.
As a preferable mode, the exhaust branch pipe is vertically inserted into the calcium hydroxide solution tank, the side wall of the exhaust branch pipe is provided with a plurality of pressure valves, and the pressure valves are vertically arranged on the pipe wall of the exhaust branch pipe.
In a preferable mode, the exhaust branch pipe is bent at a part of the liquid level of the calcium hydroxide solution by 120 degrees, and a spiral metal wire is sleeved on an air outlet part of the exhaust branch pipe and extends spirally upwards.
In a preferable mode, a plurality of transverse coarse metal wires are arranged in the solution tank in a longitudinal and transverse mode.
Preferably, the circumferential surface of the metal wire is provided with a plurality of burrs.
As a preferred mode, each air inlet is provided with a smoke exhaust valve, the outer side surface of each smoke exhaust valve is provided with a temperature sensor, and the temperature sensors are electrically connected with the smoke exhaust valves.
In a preferred mode, the thickness of the top wall of the calcium hydroxide solution pool is greater than or equal to 30 cm.
As a preferred mode, the booster fan is electrically connected with a control switch, the control switch is connected with a plurality of smoke sensors, and the smoke sensors are respectively arranged on the top wall of each layer of garage.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the invention, the calcium hydroxide solution pool is arranged below the garage, and the lower end of the exhaust pipe extends to the position below the liquid level in the calcium hydroxide solution pool, so that the exhaust pipe can lead out smoke in the garage through the upper end and the lower end, and the calcium hydroxide solution can absorb carbon dioxide, sulfur dioxide and other gases in the smoke, thereby solving the problems that the existing garage smoke prevention and exhaust system is single in smoke exhaust mode, low in exhaust pipe utilization rate and incapable of purifying the smoke.
(2) The first fan and the second fan are respectively arranged at the upper end and the lower end of the exhaust pipe, the first fan sucks smoke in the exhaust pipe out of the garage through the exhaust outlet, the second fan sucks the smoke in the exhaust pipe into the calcium hydroxide solution pool, the smoke is absorbed by the calcium hydroxide solution, negative pressure is arranged at two ends of a part of exhaust pipes, meanwhile, the smoke in the garage is sucked away, the utilization rate of the exhaust pipes is increased, and the speed of smoke exhaust is increased; the lower ends of the other part of the exhaust pipes are communicated with the calcium hydroxide solution pool through pressure relief valves, when the smoke amount in the solution pool is too large and the solution cannot be absorbed, the pressure relief valves are opened under the action of pressure, and gas which cannot be absorbed by the calcium hydroxide solution is exhausted through the exhaust pipes.
(3) According to the invention, the side wall of the exhaust branch pipe is provided with the pressure valves which are vertically arranged on the pipe wall of the exhaust branch pipe, so that when calcium hydroxide solution reacts with carbon dioxide in smoke to generate sediment to block the lower port of the exhaust branch pipe, the pressure valves are opened under the action of pressure in the branch pipe, and the smoke is continuously discharged into the solution tank.
(4) According to the invention, the exhaust branch pipe is bent at the liquid level of the calcium hydroxide solution by 120 degrees, the spiral metal wire is sleeved at the air outlet part of the exhaust branch pipe and extends upwards in a spiral manner, so that the phenomenon that carbon dioxide is deposited in calcium hydroxide reaction to block the outlet of the exhaust branch pipe is avoided, and the spiral metal wire can reduce the product from falling into the outlet of the exhaust branch pipe.
(5) According to the invention, the transverse rough metal wires are arranged in the application of the vertical exhaust branch pipe, so that the metal wires can adsorb certain precipitates, and the precipitates blocking the exhaust branch pipe are reduced.
(6) According to the invention, the burrs are arranged on the metal wire, so that the roughness of the metal wire is increased, and the effect of the metal wire on preventing the precipitate from falling is increased.
(7) According to the invention, the smoke exhaust valve is arranged at each air inlet, the temperature sensor is arranged on the outer side surface of the smoke exhaust valve and is electrically connected with the smoke exhaust valve, and when the temperature sensor detects that the temperature of the garage is low and no smoke exists, the temperature sensor is automatically closed, so that the influence on the pressure in the smoke exhaust pipe when the smoke exhaust system exhausts smoke in other layers of garages is avoided.
(8) According to the invention, the thickness of the top wall of the calcium hydroxide solution pool is greater than or equal to 30cm, so that the temperature transfer between a garage and the calcium hydroxide solution pool is avoided, and the solubility of calcium hydroxide in the solution is ensured.
(9) According to the invention, the booster fan is electrically connected with the control switch, the control switch is connected with the smoke sensors, and the smoke sensors are respectively arranged on the top wall of each layer of garage, so that the smoke prevention system can react in time when smoke occurs in the garage, and the smoke prevention effect is poor due to the fact that the smoke prevention system works after the smoke removal system.
Drawings
FIG. 1 is a schematic structural view of embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of embodiment 2 of the present invention;
FIG. 3 is a schematic diagram of a smoke protection system of the present invention;
fig. 4 is a drawing of a spiral wire component of the present invention.
The labels in the figure are: 1. an air inlet; 2. an exhaust duct; 3. an air outlet; 4. a calcium hydroxide solution tank; 5. An air outlet; 6. a first exhaust fan; 7. a second exhaust fan; 8. an exhaust branch pipe; 9. a pressure relief valve; 10. a pressure valve; 11. a helical wire; 12. a roughened wire; 13. deburring; 14. a smoke exhaust valve; 15. a temperature sensor; 16. an automatic control switch; 17. a booster fan; 18. a smoke sensor; 19. and (4) an air outlet pipeline.
Detailed Description
The invention will be further described with reference to the accompanying drawings. Embodiments of the present invention include, but are not limited to, the following examples.
Example 1:
the utility model provides a vertical ventilation of underground garage of multilayer prevents system of discharging fume, is including setting up the smoke prevention system and the system of discharging fume at the stairwell of fleing, smoke prevention system is including the booster fan 17, air-out pipeline 19, the air outlet 5 that connect gradually, the system of discharging fume is including setting up a plurality of exhaust pipes 2, the air exit 3 at the garage lateral wall at a plurality of air intakes 1, the vertical setting in every layer of garage, still is equipped with inclosed calcium hydrate solution pond 4 below the garage bottom, exhaust pipe 2 upper end connection exhaust outlet 3, lower extreme stretch into under the liquid level in airtight calcium hydrate solution pond 4, air intake 1 is connected the side of exhaust pipe 2.
Further, all first air exhauster 6 is all connected to the upper end of exhaust pipe 2, and exhaust opening 3 is connected to the air-out portion of first air exhauster 6, second suction fan 7 is connected to the lower extreme of one of them part exhaust pipe 2 in a plurality of exhaust pipes 2, and the air-out portion of second suction fan 7 is connected in 8 upper ends of the branch pipe of airing exhaust, 8 lower extremes of the branch pipe of airing exhaust stretch into under the liquid level in calcium hydroxide solution pond 4, the lower extreme of one of them another part exhaust pipe 2 in a plurality of exhaust pipes 2 passes through relief valve 9 and communicates with calcium hydroxide solution pond 4.
Further, the exhaust branch pipe 8 is vertically inserted into the calcium hydroxide solution tank 4, a plurality of pressure valves 10 are arranged on the side wall of the exhaust branch pipe 8, and the pressure valves 10 are vertically arranged on the pipe wall of the exhaust branch pipe 8.
Further, a plurality of transverse coarse metal wires 12 are arranged in the calcium hydroxide solution tank 4 in the longitudinal direction and the transverse direction.
Furthermore, a plurality of burrs 13 are arranged on the circumferential surface of the metal wire.
Furthermore, each air inlet 1 is provided with a smoke exhaust valve 14, the outer side surface of each smoke exhaust valve 14 is provided with a temperature sensor 15, and the temperature sensors 15 are electrically connected with the smoke exhaust valves 14.
Further, the thickness of the top wall of the sealed calcium hydroxide solution pool 4 is greater than or equal to 30 cm.
Further, the booster fan 17 is electrically connected with a control switch 16, the control switch 16 is connected with a plurality of smoke sensors 18, and the smoke sensors 18 are respectively arranged on the top wall of each layer of garage.
In the embodiment, the smoke prevention system is arranged in the escape stairwell to disperse smoke in the escape stairwell, the closed calcium hydroxide solution pool 4 is arranged below the garage, when smoke is generated in the garage, the smoke enters the exhaust pipe 2 from the air inlet 1, the smoke is exhausted out of the garage through the air outlet 3 connected to the upper end of the exhaust pipe 2, the first fan 6 and the second fan 7 are respectively arranged at the upper end and the lower end of the exhaust pipe 2, the first fan 6 sucks the smoke in the exhaust pipe 2 out of the garage through the air outlet 3, the second fan 7 sucks the smoke in the exhaust pipe 2 into the calcium hydroxide solution pool 4 and absorbs the smoke by using the calcium hydroxide solution, in the embodiment, negative pressure is arranged at two ends of a part of the exhaust pipes 2, meanwhile, the smoke in the garage is sucked away, the utilization rate of the exhaust pipes 2 is increased, and the speed of smoke exhaust is also increased; the lower ends of the other part of the exhaust pipes 2 are communicated with the calcium hydroxide solution pool 4 through pressure relief valves 9, when the smoke amount in the calcium hydroxide solution pool 4 is too large and the solution cannot be absorbed, the pressure relief valves 9 are opened under the action of pressure, gas which cannot be absorbed by the calcium hydroxide solution is exhausted through the exhaust pipes 2, a plurality of pressure valves 10 are arranged on the side wall of the exhaust branch pipe 8, the pressure valves 10 are vertically arranged on the pipe wall of the exhaust branch pipe 8, so that when the calcium hydroxide solution reacts with carbon dioxide in the smoke to generate precipitates to block the lower port of the exhaust branch pipe 8, the pressure valves 10 are opened under the action of the pressure in the exhaust branch pipe 8, the gas which cannot be absorbed by the calcium hydroxide solution is exhausted through the exhaust pipes 2, the calcium hydroxide solution pool 4 is provided with transverse rough metal wires 12, and the metal wires can absorb certain precipitates, reduce the precipitate of plugging up exhaust branch 8, and 14 lateral surfaces of smoke damper are equipped with temperature sensor 15, 15 electric connection of temperature sensor smoke damper 14 detects the garage temperature when temperature sensor 15 is lower, when not having smog, just self-closing to avoid influencing the pressure of smoke exhaust system in the pipe of discharging fume when other layer garages discharge fume, and set up smoke sensor 18 at the roof in every layer of garage, will 18 electric connection booster fan's of smoke sensor automatic control switch 16, make when smog takes place in the garage, smoke protection system can just begin work when smog is very little, increase smoke protection effect, and wherein the roof thickness of calcium hydrate solution pond 4 is greater than or equal to 30cm, effectively avoids the temperature transfer between garage and the calcium hydrate solution pond 4, guarantees the solubility of calcium hydrate in the solution.
Example 2:
the utility model provides a vertical ventilation of underground garage of multilayer prevents system of discharging fume, is including setting up the smoke prevention system and the system of discharging fume at the stairwell of fleing, smoke prevention system is including the booster fan 17, air-out pipeline 19, the air outlet 5 that connect gradually, the system of discharging fume is including setting up a plurality of exhaust pipes 2, the air exit 3 at the garage lateral wall at a plurality of air intakes 1, the vertical setting in every layer of garage, still is equipped with inclosed calcium hydrate solution pond 4 below the garage bottom, exhaust pipe 2 upper end connection exhaust outlet 3, lower extreme stretch into under the liquid level in airtight calcium hydrate solution pond 4, air intake 1 is connected the side of exhaust pipe 2.
Further, all first air exhauster 6 is all connected to the upper end of exhaust pipe 2, and exhaust opening 3 is connected to the air-out portion of first air exhauster 6, second suction fan 7 is connected to the lower extreme of one of them part exhaust pipe 2 in a plurality of exhaust pipes 2, and the air-out portion of second suction fan 7 is connected in 8 upper ends of the branch pipe of airing exhaust, 8 lower extremes of the branch pipe of airing exhaust stretch into under the liquid level in calcium hydroxide solution pond 4, the lower extreme of one of them another part exhaust pipe 2 in a plurality of exhaust pipes 2 passes through relief valve 9 and communicates with calcium hydroxide solution pond 4.
Further, the exhaust branch pipe 8 is vertically inserted into the calcium hydroxide solution tank 4, a plurality of pressure valves 10 are arranged on the side wall of the exhaust branch pipe 8, and the pressure valves 10 are vertically arranged on the pipe wall of the exhaust branch pipe 8.
Furthermore, the exhaust branch pipe 8 is bent at the part of the liquid level of the calcium hydroxide solution 4 by 120 degrees, a spiral metal wire 11 is sleeved at the air outlet part of the exhaust branch pipe 8, and the spiral metal wire 11 extends upwards in a spiral manner.
Furthermore, a plurality of burrs are arranged on the circumferential surface of the metal wire.
Furthermore, each air inlet 1 is provided with a smoke exhaust valve 14, the outer side surface of each smoke exhaust valve 14 is provided with a temperature sensor 15, and the temperature sensors 15 are electrically connected with the smoke exhaust valves 14.
Further, the thickness of the top wall of the sealed calcium hydroxide solution pool 4 is greater than or equal to 30 cm.
Further, the booster fan 17 is electrically connected with a control switch 16, the control switch 16 is connected with a plurality of smoke sensors 18, and the smoke sensors 18 are respectively arranged on the top wall of each layer of garage.
In this embodiment, the exhaust branch pipe 8 is bent 120 degrees at the part of the liquid level of the calcium hydroxide solution, the spiral metal wire 11 is sleeved at the air outlet part of the exhaust branch pipe 8, the spiral metal wire 11 extends upwards in a spiral manner, so as to prevent the carbon dioxide from blocking the outlet of the exhaust branch pipe 8 due to the precipitate generated by the calcium hydroxide reaction, and the spiral metal wire can reduce the product from dropping in the outlet of the exhaust branch pipe
Other parts of this embodiment are the same as those of the above embodiment, and are not described herein again.
The above is an embodiment of the present invention. The embodiments and specific parameters in the embodiments are only used for clearly illustrating the verification process of the present invention, and are not used for limiting the scope of the present invention, which is defined by the claims, and all the equivalent structural changes made by using the contents of the description and the drawings of the present invention should be included in the scope of the present invention.
Claims (9)
1. The utility model provides a vertical ventilation of underground garage of multilayer prevents system of discharging fume, is including setting up the smoke protection system and the system of discharging fume at the stairwell of fleing, the smoke protection system is including booster fan (17), air-out pipeline (19), air outlet (5) that connect gradually, its characterized in that: the system of discharging fume still is equipped with inclosed calcium hydrate solution pond (4) below the garage bottom including setting up a plurality of air intake (1), the vertical setting in a plurality of exhaust pipes (2), the air exit (3) of garage lateral wall in every layer of garage, exhaust pipe (2) upper end is connected air exit (3), the lower extreme stretches into under the liquid level in inclosed calcium hydrate solution pond (4), air intake (1) is connected the side of exhaust pipe (2).
2. The vertical ventilation and smoke control system of the multi-storey underground garage according to claim 1, wherein: all first air exhauster (6) is all connected to the upper end of exhaust pipe (2), and air exit (3) are connected to the play wind portion of first air exhauster (6), second suction fan (7) are connected to the lower extreme of one of them part exhaust pipe (2) in a plurality of exhaust pipes (2), and the play wind portion of second suction fan (7) is connected in branch pipe (8) upper end of airing exhaust, branch pipe (8) lower extreme of airing exhaust stretches into under the liquid level in calcium hydroxide solution pond (4), the lower extreme of one of them part exhaust pipe (2) in a plurality of exhaust pipes (2) passes through relief valve (9) and calcium hydroxide solution pond (4) intercommunication.
3. The vertical ventilation and smoke prevention and exhaust system of the multi-storey underground garage according to claim 2, wherein: the exhaust branch pipe (8) is vertically inserted into the calcium hydroxide solution tank (4), a plurality of pressure valves (10) are arranged on the side wall of the exhaust branch pipe (5), and the pressure valves (10) are vertically arranged on the pipe wall of the exhaust branch pipe (8).
4. The vertical ventilation and smoke prevention and exhaust system of the multi-storey underground garage according to claim 2, wherein: the exhaust branch pipe (8) is bent at the part of the liquid level of the calcium hydroxide solution by 120 degrees, a spiral metal wire (11) is sleeved at the air outlet part of the exhaust branch pipe (8), and the spiral metal wire (11) extends upwards in a spiral mode.
5. The vertical ventilation and smoke control system of the multi-storey underground garage according to claim 3, wherein: a plurality of transverse rough metal wires (12) are arranged in the solution tank (4) in the longitudinal direction and the transverse direction.
6. The vertical ventilation and smoke prevention and exhaust system of the multi-storey underground garage according to claim 4 or 5, wherein: the circumferential surface of the metal wire is provided with a plurality of burrs (13).
7. The vertical ventilation and smoke control system of the multi-storey underground garage according to claim 6, wherein: every air intake (1) department is equipped with smoke damper (14), smoke damper (14) lateral surface is equipped with temperature sensor (15), temperature sensor (15) electric connection smoke damper (14).
8. The vertical ventilation and smoke control system of the multi-storey underground garage according to claim 6, wherein: the thickness of the top wall of the calcium hydroxide solution pool (4) is more than or equal to 30 cm.
9. The vertical ventilation and smoke control system of the multi-storey underground garage according to claim 7, wherein: the electric connection of booster fan (17) has control switch (16), control switch (16) are connected a plurality of smoke transducer (18), smoke transducer (18) set up the roof in every layer of garage respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010139224.6A CN111397070B (en) | 2020-03-03 | 2020-03-03 | Vertical ventilation smoke prevention and discharge system for multi-layer underground garage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010139224.6A CN111397070B (en) | 2020-03-03 | 2020-03-03 | Vertical ventilation smoke prevention and discharge system for multi-layer underground garage |
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| CN111397070A true CN111397070A (en) | 2020-07-10 |
| CN111397070B CN111397070B (en) | 2021-05-07 |
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| CN202010139224.6A Active CN111397070B (en) | 2020-03-03 | 2020-03-03 | Vertical ventilation smoke prevention and discharge system for multi-layer underground garage |
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| CN113235990A (en) * | 2021-04-29 | 2021-08-10 | 齐君三 | Vertical flue pipe and garage with same |
| CN113983597A (en) * | 2021-10-16 | 2022-01-28 | 上海杨浦建筑设计有限公司 | Vertical ventilation, smoke prevention and discharge safety system for underground garage |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113235990A (en) * | 2021-04-29 | 2021-08-10 | 齐君三 | Vertical flue pipe and garage with same |
| CN113983597A (en) * | 2021-10-16 | 2022-01-28 | 上海杨浦建筑设计有限公司 | Vertical ventilation, smoke prevention and discharge safety system for underground garage |
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| CN111397070B (en) | 2021-05-07 |
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