CN113983597B

CN113983597B - Vertical ventilation, smoke prevention and discharge safety system for underground garage

Info

Publication number: CN113983597B
Application number: CN202111205946.8A
Authority: CN
Inventors: 徐云鹏
Original assignee: Shanghai Yangpu Architectural Design Co ltd
Current assignee: Shanghai Yangpu Architectural Design Co ltd
Priority date: 2021-10-16
Filing date: 2021-10-16
Publication date: 2022-11-08
Anticipated expiration: 2041-10-16
Also published as: CN113983597A

Abstract

The application relates to the field of smoke exhaust equipment of underground garages, and discloses a vertical ventilation, smoke prevention and exhaust safety system of an underground garage, which comprises a smoke prevention device arranged in a safety channel and a smoke exhaust device arranged in the garage, wherein the smoke prevention device comprises a smoke suction port arranged at the communication position of the garage and the safety channel, a smoke suction pipe communicated with the smoke suction port and a smoke suction fan arranged at the connection position of the smoke suction port and the smoke suction pipe, and one end of the smoke suction pipe, far away from the smoke suction port, extends to the outside; the smoke exhaust device comprises a first air treatment mechanism and a second air treatment mechanism which are sequentially arranged along the vertical direction, and further comprises a smoke exhaust pipeline arranged on one side of the first air treatment mechanism and a smoke exhaust fan arranged at the smoke exhaust end of the smoke exhaust pipeline, the smoke exhaust end of the first air treatment mechanism and the smoke exhaust end of the second air treatment mechanism are communicated with the smoke exhaust pipeline, and the outlet end of the smoke exhaust pipeline extends to the outside. The application has the effect of reducing harmful gas directly discharged to the outdoor.

Description

Vertical ventilation smoke prevention and discharge safety system for underground garage

Technical Field

The application relates to underground garage fume extractor field especially relates to a vertical ventilation of underground garage prevents safety coefficient of discharging fume.

Background

With the continuous increase of the quantity of motor vehicles, matched underground garages can be built in residential areas and office buildings to meet the parking requirements of the vehicles.

The inside anti-smoke system that can set up of present underground garage, the anti-smoke system that discharges fume is the collective name of system and anti-smoke system, and the system main function of discharging fume is to discharge the garage outside with the flue gas, and anti-smoke system main function prevents that the flue gas from getting into evacuation passageway.

In the process of implementing the present application, the inventors found that the following problems exist in the technology: the current smoke exhaust system directly discharges harmful smoke containing automobile exhaust in the garage to the outside of the garage, so that the harmful smoke is dispersed around a building, and adverse effects are caused to the living environment and the physical health of residents.

Disclosure of Invention

In order to reduce the direct harmful flue gas that discharges to outdoor, reduce the adverse effect to living environment and resident's healthy, this application provides a vertical ventilation of underground garage prevents discharge fume safety system.

The application provides a vertical ventilation of underground garage prevents system of discharging fume adopts following technical scheme:

a vertical ventilation and smoke prevention and discharge safety system for an underground garage comprises a smoke prevention device arranged in a safety channel and a smoke discharge device arranged in the garage, wherein the smoke prevention device comprises a smoke suction port, a smoke suction pipe communicated with the smoke suction port and a smoke suction fan arranged at the joint of the smoke suction port and the smoke suction pipe, and one end, far away from the smoke suction port, of the smoke suction pipe extends to the outside; fume extractor includes first air treatment mechanism and the second air treatment mechanism that sets gradually along vertical direction, still including setting up the exhaust pipe of first air treatment mechanism one side, set up the smoke exhaust fan who goes out the cigarette end at exhaust pipe, first air treatment mechanism is higher than second air treatment mechanism sets up, first air treatment mechanism is used for handling the flue gas of keeping away from ground, second air treatment mechanism is used for handling the flue gas that is close to ground, first air treatment mechanism with second air treatment mechanism both go out the cigarette end all with exhaust pipe intercommunication, exhaust pipe outlet end extends to outdoors.

Through adopting above-mentioned technical scheme, when smoke protection device during operation, harmful gas to getting into the escape way dispels, reduce the inside possibility that has harmful gas of escape way, when smoke protection device during operation, utilize first air treatment mechanism to handle the flue gas of keeping away from ground, second air treatment mechanism handles the flue gas that is close to ground, flue gas after the simultaneous processing gets into the exhaust pipe, arrange to outdoor under smoke exhaust fan's effect, thereby reduce the emission to external harmful gas, reduce the influence to the peripheral air quality of building, thereby promote the feature of environmental protection of building.

Optionally, first air treatment mechanism includes first casing, sets up at the last mouth of cigarette of going up of first casing one side, sets up and advances cigarette fan, set up at the processing pond of first casing inside and feed through the mouth of cigarette and handle the connecting pipe in pond on advancing the mouth of cigarette, it is full of to handle pond inside and handles solution, the exit end of connecting pipe is arranged in handling solution, first casing is kept away from one side of going up the mouth of cigarette with the pipeline intercommunication of discharging fume.

Through adopting above-mentioned technical scheme, under the effect of last cigarette fan that advances, in will keeping away from the flue gas suction connecting pipe on ground to in letting in and handling the solution, utilize and handle solution and automobile exhaust and carry out chemical reaction, absorb wherein most sulfur dioxide and carbon dioxide inhale, for example utilize calcium hydroxide solution and sulfur dioxide to produce calcium sulfate, calcium hydroxide solution reacts with carbon dioxide, produce the calcium carbonate precipitate, thereby absorb sulfur dioxide and carbon dioxide, thereby realize the processing to harmful flue gas, promote the air quality of discharging into outdoors.

Optionally, the outlet end of the connecting pipe is closed, and a plurality of through holes are arranged on the outer side wall of the outlet end of the connecting pipe.

Through adopting above-mentioned technical scheme, utilize a plurality of through-holes to make harmful flue gas evenly let in and handle dissolving the liquid, make harmful flue gas and handle dissolving the liquid full reaction, promote the treatment effect to harmful flue gas.

Optionally, the second air processing mechanism includes a second housing, a lower smoke inlet disposed on one side of the second housing, and a spray assembly disposed inside the second housing, the lower smoke inlet is disposed at a position close to the ground, a communication port communicated with the smoke exhaust pipeline is disposed on one side of the second housing, which is far away from the lower smoke inlet, and a lower smoke inlet fan is disposed at the communication port.

By adopting the technical scheme, when the lower smoke inlet fan works, negative pressure is formed in the second shell, so that smoke close to the ground enters the second shell and enters the smoke exhaust pipeline from the second shell, the smoke in the second shell is sprayed by the spraying assembly, the smoke and the treatment solution fully react, and the smoke with high tail gas concentration is deeply treated; simultaneously, impurities in the flue gas close to the ground are precipitated and fall to the bottom of the second shell, and the quality of the discharged outdoor air is further improved.

Optionally, the communication port is close to the top of the second housing, the spray assembly comprises a spray pipe arranged at the top of the second housing, an atomization spray header arranged at one end of the spray pipe, and a pressure pump arranged in the middle of the spray pipe, and one end of the spray pipe, which is far away from the atomization spray header, is communicated with the inside of the treatment tank.

Through adopting above-mentioned technical scheme, the intercommunication mouth is close to the position at second casing top, make harmful flue gas get into from the bottom of second casing, leave from the top of second casing, there is an ascending motion process inside the second casing, spray it at the in-process of flue gas upward movement, promote the treatment effect to harmful flue gas, utilize the force (forcing) pump to dissolve liquid to the inside processing of shower pipe and pressurize simultaneously, make the atomization effect of atomizing shower head better, further promote the treatment effect to harmful flue gas.

Optionally, a collecting tank is arranged in the second housing, the collecting tank is located at the lowest position in the second housing, and the top of the collecting tank is communicated with the outside.

Through adopting above-mentioned technical scheme, utilize the collecting vat to collect the dust that drops, impurity and the material that the reaction produced, make things convenient for the inside impurity of second casing to handle.

Optionally, a take-out port is formed in a side wall of the second shell adjacent to the lower smoke inlet, the take-out port is used for taking out the collecting tank, and a cover plate is hinged to the take-out port.

Through adopting above-mentioned technical scheme, set up and take out the convenient when too much in the inside material that piles up of collecting vat of mouth, take out the collecting vat and carry out centralized processing to the inside material of collecting vat.

Optionally, an intercepting net is horizontally arranged inside the second shell, and the intercepting net is lower than the communicating port.

By adopting the technical scheme, the intercepting net is utilized to intercept the impurities with larger volume in the flue gas in the rising process of the flue gas, so that the impurities with larger volume are directly intercepted, and then the impurities drop into the collecting tank.

Optionally, a forced smoke exhaust port is further formed in the second shell, the forced smoke exhaust port is located below the communication port, and a forced smoke exhaust fan is arranged at the forced smoke exhaust port.

Through adopting above-mentioned technical scheme, when the inside harmful flue gas of garage was too much and constantly got into the escape way, force the start-up of smoke exhaust fan with the gas suction in the garage in the exhaust pipe, reduce the possibility that the garage and the inside harmful flue gas of escape way are too much endangered the resident health.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the smoke exhaust device works, the first air treatment mechanism is used for treating smoke far away from the ground, the second air treatment mechanism is used for treating smoke close to the ground, and the treated smoke enters the smoke exhaust pipeline and is exhausted to the outside under the action of the smoke exhaust fan, so that the emission of harmful gas is reduced, the influence on the air quality around a building is reduced, and the environmental protection of the building is improved;

2. under the action of an upper smoke inlet fan, smoke far away from the ground is sucked into a connecting pipe and introduced into a treatment dissolving liquid, the treatment dissolving liquid and automobile exhaust are subjected to chemical reaction to absorb most of sulfur dioxide and carbon dioxide in the smoke, for example, calcium hydroxide solution and sulfur dioxide are used for generating calcium sulfate, calcium hydroxide solution and carbon dioxide are reacted to generate calcium carbonate precipitate, so that sulfur dioxide and carbon dioxide are absorbed, the harmful smoke is treated, and the quality of air discharged to the outside is improved;

3. when the lower smoke inlet fan works, negative pressure is formed in the second shell, so that smoke close to the ground enters the second shell and enters the smoke exhaust pipeline from the second shell, the smoke in the second shell is sprayed by the spraying assembly, the smoke and the treatment solution fully react, and the smoke with high tail gas concentration is deeply treated; make the impurity in the flue gas near ground simultaneously deposit, drop in the bottom of second casing, further promote the quality of discharging into outdoor air.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a smoke evacuation device embodied in the embodiment of the present application.

Fig. 3 is a top view of a smoke evacuation device in an embodiment of the present application.

Fig. 4 isbase:Sub>A sectional view taken along the linebase:Sub>A-base:Sub>A in fig. 3.

Fig. 5 is a schematic view showing a structure of the outlet in the embodiment of the present application.

Description of the reference numerals:

01. a secure channel; 02. a garage; 1. a smoke prevention device; 11. a smoking port; 12. a smoking pipe; 13. a smoking fan; 2. a smoke exhaust device; 3. a first air handling mechanism; 31. a first housing; 32. an upper smoke inlet; 33. an upper smoke inlet fan; 34. a treatment tank; 35. a connecting pipe; 351. a through hole; 4. a second air handling mechanism; 41. a second housing; 411. a communication port; 412. a lower smoke inlet fan; 413. collecting tank; 414. a take-out port; 415. a cover plate; 416. a forced smoke outlet; 417. a forced smoke exhaust fan; 418. an intercepting net; 42. a lower smoke inlet; 43. a spray assembly; 431. a spray pipe; 432. an atomizing spray header; 433. a pressure pump; 5. a smoke exhaust duct; 6. a smoke exhaust fan.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses underground garage vertical ventilation prevents system of discharging fume. Referring to fig. 1, a vertical ventilation of underground garage prevents that smoke exhaust safety system includes smoke damper 1 and fume extractor 2, and smoke damper 1 sets up in the inside one side that is close to garage 02 of escape way 01, and smoke damper 1 during operation will get into the inside harmful flue gas of escape way 01 and discharge to outdoor. Inside fume extractor 2 set up garage 02, fume extractor 2 discharges the inside harmful flue gas in garage 02 to outdoor after handling, reduces harmful gas's emission, promotes the peripheral air quality of building.

Referring to fig. 1, the smoke preventing device 1 includes a smoke absorbing port 11, a smoke absorbing pipe 12 and a smoke absorbing fan 13, the smoke absorbing pipe 12 is vertically arranged, one side of the smoke absorbing pipe 12 is fixedly connected with a wall 01 of the safety channel, the smoke absorbing port 11 is fixedly arranged at the bottom end of the smoke absorbing pipe 12, the smoke absorbing fan 13 is arranged at the joint of the smoke absorbing port 11 and the smoke absorbing pipe 12, the smoke absorbing fan 13 is fixedly connected on the wall, and the top end of the smoke absorbing pipe 12 extends to the outside. When the smoking fan 13 works, harmful smoke in the safety channel 01 is pumped into the smoking pipe 12 and discharged to the outside.

Referring to fig. 1 and 2, the smoke exhaust device 2 includes a first air handling mechanism 3, a second air handling mechanism 4, a smoke exhaust duct 5 and a smoke exhaust fan 6, the first air handling mechanism 3 is disposed inside the garage 02 at a position close to the wall, and the second air handling mechanism 4 is disposed below the first air handling mechanism 3. The exhaust pipe 5 is located one side of the first air treatment mechanism 3 and fixedly connected with the wall body, the exhaust pipe 5 is vertically arranged, the first air treatment mechanism 3 and the second air treatment mechanism 4 are communicated with the inside of the exhaust pipe 5, the top end of the exhaust pipe 5 extends to the outside, and the exhaust fan 6 is fixedly arranged inside the exhaust pipe 5 and close to the top end of the exhaust pipe 5.

Referring to fig. 1, fig. 3 and fig. 4, first air treatment mechanism 3 includes first casing 31, last inlet flue 32, goes up into cigarette fan 33, handles pond 34 and connecting pipe 35, first casing 31 and exhaust pipe 5 fixed connection, and last inlet flue 32 is fixed in one side that exhaust pipe 5 was kept away from at first casing 31 and is set up a plurality of, and two are used as the example in this embodiment, and the height of going up inlet flue 32 is about half of garage 02 layer height, and one side that first casing 31 is close to exhaust pipe 5 communicates with exhaust pipe 5 is inside.

Referring to fig. 4, one upper smoke inlet fan 33 is fixedly provided at each upper smoke inlet 32. The treatment tank 34 is fixedly disposed inside the first casing 31, and the treatment tank 34 is filled with a treatment solution, which may be a calcium hydroxide solution. The inlet end of the connecting pipe 35 is communicated with the upper smoke inlet 32, the outlet end of the connecting pipe 35 is arranged in a closed manner, a plurality of through holes 351 are formed in the side wall of the connecting pipe 35, and the outlet end of the connecting pipe 35 extends into the treating tank 34 and is positioned below the liquid level of the treating solution.

Referring to fig. 1 and 4, when the two upper smoke inlet fans 33 work, smoke at the middle position in the height direction of the garage 02 is sucked into the upper smoke inlet 32 and is connected into the treatment tank 34 through the connecting pipe 35, so that the smoke with tail gas reacts with the treatment dissolving liquid, the treatment dissolving liquid and the automobile tail gas are subjected to chemical reaction to absorb most of the sulfur dioxide and carbon dioxide in the smoke, and the smoke enters the smoke exhaust pipeline 5 after the treatment and is discharged outdoors.

Referring to fig. 4, the second air processing mechanism 4 includes a second housing 41, a lower smoke inlet 42 and a shower assembly 43, the second housing 41 is disposed below the first housing 31, and the second housing 41 is fixedly disposed on the ground while being fixedly connected to the first housing 31. Lower smoke inlet 42 is fixed to be set up in one side that smoke exhaust pipe 5 was kept away from to second casing 41, and lower smoke inlet 42 is located second casing 41 and is close to the position on ground, and lower smoke inlet 42 level sets up, and two intercommunication mouths 411 are seted up along the horizontal direction in one side that second casing 41 is close to smoke exhaust pipe 5, and intercommunication mouth 411 is close to the position at second casing 41 top, and intercommunication mouth 411 and smoke exhaust pipe 5 intercommunication are located all fixed the cigarette fan 412 of advancing down that is provided with in every intercommunication mouth 411.

Referring to fig. 4, a blocking net 418 is further fixedly provided inside the second housing 41, and the blocking net 418 is located between the lower smoke inlet 42 and the communication port 411 in the height direction.

Referring to fig. 4, the spray assembly 43 includes a spray pipe 431, an atomizing spray header 432 and a pressure pump 433, the spray pipe 431 is fixedly disposed at the top of the second housing 41, one end of the spray pipe 431 extends to the inside of the treatment tank 34, the atomizing spray header 432 is fixedly connected to the other end of the spray pipe 431, the atomizing spray header 432 is provided with a plurality of spray pipes, four spray pipes are taken as an example in the present embodiment, the atomizing spray header 432 is assembled by using finished products purchased in the prior art, the pressure pump 433 is disposed in the middle of the spray pipe 431, and the pressure pump 433 is fixedly disposed on the side wall of the second housing 41.

Referring to fig. 1 and 4, when the lower smoke inlet fan 412 is started, negative pressure is formed inside the second housing 41, smoke inside the garage 02 close to the ground is sucked into the second housing 41 and moves upwards inside the second housing 41, and because tail gas components in the smoke close to the ground are higher, the content of impurities and dust is also higher, the atomization spray header 432 is used for spraying treatment solution inside the second housing 41, so that the smoke and the treatment solution fully react, and in addition, under the spraying effect of the atomization spray header 432, the impurities and dust in the smoke can fall to the bottom of the second housing 41.

Referring to fig. 4 and 5, in order to facilitate collection of impurities and dust inside the second housing 41, a collecting groove 413 is disposed inside the second housing 41, the collecting groove 413 is located at the lowest position inside the second housing 41, and the top of the collecting groove 413 is open. The substances falling inside the second housing 41 are collected by the catch groove 413.

Referring to fig. 2 and 5, an outlet 414 is provided in the second case 41 on a side adjacent to the lower smoke inlet 42, and a cover 415 is hinged to the outlet 414. When the content of the collection tank 413 is excessive, the collection tank 413 can be taken out by opening the cover 415.

Referring to fig. 1 and 5, since the second air handling mechanism 4 needs a certain time for the flue gas handling, the exhaust efficiency of the flue gas is affected, and when the tail gas in the garage 02 increases sharply, the tail gas can spread into the safe passage 01, which seriously affects the health of residents in the garage 02 and the safe passage 01. Therefore, two forced smoke exhaust ports 416 are formed in one side, far away from the lower smoke inlet 42, of the second shell 41 in the horizontal direction, the forced smoke exhaust ports 416 are lower than the intercepting net 418, a forced smoke exhaust fan 417 is fixedly arranged at each forced smoke exhaust port 416, and when tail gas in the garage 02 increases sharply, the forced smoke exhaust fan 417 starts to directly exhaust smoke in the garage 02 to the smoke exhaust pipeline 5, so that the health of residents in the garage 02 is guaranteed.

The implementation principle of the safety system for preventing and discharging smoke in vertical ventilation of the underground garage is as follows: when the smoke prevention device 1 works, negative pressure is generated inside the smoke suction port 11 by the smoke suction fan 13, and harmful smoke inside the safety channel 01 is sucked into the smoke suction pipe 12 and discharged to the outside.

When the smoke exhaust device 2 works, the smoke exhaust fan 6, the upper smoke inlet fan 33 and the lower smoke inlet fan 412 work simultaneously, smoke at the middle position in the height direction of the garage 02 is sucked into the upper smoke inlet 32 and enters the treatment pool 34, the smoke with tail gas reacts with treatment solution, the smoke is purified and then is discharged into the smoke exhaust pipeline 5; the second air processing mechanism 4 sucks the flue gas close to the ground into the second casing 41, and the spraying component 43 sprays the processing solution in the second casing 41 to enable the flue gas and the processing solution to fully react, so that the flue gas is purified and discharged into the smoke exhaust pipeline 5, and finally the processed flue gas is discharged outdoors from the smoke exhaust pipeline 5.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a vertical ventilation of underground garage prevents fume extraction safety system, is including setting up at inside smoke protection device (1) of escape way (01) and setting up in inside fume extractor (2) of garage (02), its characterized in that: the smoke prevention device (1) comprises a smoke suction port (11), a smoke suction pipe (12) communicated with the smoke suction port (11) and a smoke suction fan (13) arranged at the joint of the smoke suction port (11) and the smoke suction pipe (12), wherein one end, far away from the smoke suction port (11), of the smoke suction pipe (12) extends to the outside;

the smoke exhaust device (2) comprises a first air treatment mechanism (3) and a second air treatment mechanism (4) which are sequentially arranged along the vertical direction, and further comprises a smoke exhaust pipeline (5) arranged on one side of the first air treatment mechanism (3) and a smoke exhaust fan (6) arranged at the smoke outlet end of the smoke exhaust pipeline (5), wherein the first air treatment mechanism (3) is higher than the second air treatment mechanism (4), the first air treatment mechanism (3) is used for treating smoke far away from the ground, the second air treatment mechanism (4) is used for treating smoke close to the ground, the smoke outlet ends of the first air treatment mechanism (3) and the second air treatment mechanism (4) are communicated with the smoke exhaust pipeline (5), and the outlet end of the smoke exhaust pipeline (5) extends to the outside;

the first air treatment mechanism (3) comprises a first shell (31), an upper smoke inlet (32) arranged on one side of the first shell (31), an upper smoke inlet fan (33) arranged at the upper smoke inlet (32), a treatment pool (34) arranged inside the first shell (31) and a connecting pipe (35) for communicating the upper smoke inlet (32) with the treatment pool (34), wherein the treatment pool (34) is filled with treatment solution, the outlet end of the connecting pipe (35) is positioned in the treatment solution, and one side, away from the upper smoke inlet (32), of the first shell (31) is communicated with the smoke exhaust pipeline (5);

second air treatment mechanism (4) include second casing (41), set up lower smoke inlet (42) in second casing (41) one side and set up spray assembly (43) inside second casing (41), smoke inlet (42) set up the position that is close to ground down, second casing (41) are kept away from down smoke inlet (42) one side set up with intercommunication mouth (411) of exhaust pipe (5) intercommunication, intercommunication mouth (411) department sets up down into cigarette fan (412).

2. A vertical ventilation and smoke exhaust prevention safety system for an underground garage according to claim 1, wherein: the outlet end of connecting pipe (35) seals the setting, set up a plurality of through-holes (351) on the lateral wall of connecting pipe (35) outlet end.

3. A vertical ventilation and smoke exhaust prevention safety system for an underground garage according to claim 1, wherein: the communication port (411) is close to the top of the second shell (41), the spray assembly (43) comprises a spray pipe (431) arranged at the top of the second shell (41), an atomizing spray header (432) arranged at one end of the spray pipe (431) and a pressure pump (433) arranged in the middle of the spray pipe (431), and one end, far away from the atomizing spray header (432), of the spray pipe (431) is communicated with the interior of the treatment pool (34).

4. A vertical ventilation and smoke exhaust prevention safety system for an underground garage according to claim 1, wherein: a collecting tank (413) is arranged inside the second shell (41), the collecting tank (413) is located at the lowest position inside the second shell (41), and the top of the collecting tank (413) is communicated with the outside.

5. A vertical ventilation, smoke prevention and exhaust safety system for an underground garage according to claim 4, wherein: an extraction port (414) is formed in a side wall of the second shell (41) adjacent to the lower smoke inlet (42), the extraction port (414) is used for extracting the collecting groove (413), and a cover plate (415) is hinged to the extraction port (414).

6. A vertical ventilation and smoke exhaust prevention safety system for an underground garage according to claim 1, wherein: an intercepting net (418) is horizontally arranged in the second shell (41), and the intercepting net (418) is arranged lower than the communication port (411).

7. A vertical ventilation and smoke exhaust prevention safety system for an underground garage according to claim 5, wherein: a forced smoke outlet (416) is further formed in the second shell (41), the forced smoke outlet (416) is located below the communicating port (411), and a forced smoke exhaust fan (417) is arranged at the position of the forced smoke outlet (416).