CN106196403A - Fire-fighting ventilation and exhaust device - Google Patents
Fire-fighting ventilation and exhaust device Download PDFInfo
- Publication number
- CN106196403A CN106196403A CN201610526285.1A CN201610526285A CN106196403A CN 106196403 A CN106196403 A CN 106196403A CN 201610526285 A CN201610526285 A CN 201610526285A CN 106196403 A CN106196403 A CN 106196403A
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- CN
- China
- Prior art keywords
- fire
- exhaust
- air
- smoke
- exhaust device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- F24F7/08—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 with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
-
- 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
- F24F11/0001—Control or safety arrangements for ventilation
-
- 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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
-
- 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
- F24F11/0001—Control or safety arrangements for ventilation
- F24F2011/0002—Control or safety arrangements for ventilation for admittance of outside air
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Ventilation (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a kind of fire-fighting ventilation and exhaust device, its drip irrigation device is, it is included on the base plate in airtight place or the bottom of side surrounding offers wind channel and the air-introduced machine that air-vent is connected with described air-vent, the pyrotechnics produced in airtight place is discharged through airtight wind channel after being guided down into air-vent under air-introduced machine effect, it is achieved the moment forced-ventilated of pyrotechnics；This device includes the base plate in airtight place, and at least provided with an air-vent on this base plate, below corresponding air-vent, connection is provided with airtight wind channel, and the end at wind channel is provided with air-introduced machine.The present invention can change the trend of pyrotechnics, it is achieved the escape of moment forced-ventilated, beneficially trapped personnel or race against time for fire-fighting rescue.
Description
Technical field
The present invention relates to fire engineering technical field, particularly to a kind of fire-fighting ventilation and exhaust device.
Background technology
The combustion process of substantially any form all can produce the aerosol gases with certain toxicity.Toxicity is not only from an oxygen
Change carbon gas, and come from the multiple plastic components in construction material.The toxic gas produced immediately after fire outburst, can lead
Cause smoke poisoning.Such as, HCl gas can be discharged during PVC burning, during polyamide burning, discharge ammonia.Some plastics
The hydrocyanic acid gas that cell can be stoped to absorb oxygen thus cause personnel to suffocate even can be discharged during burning.It is therefore necessary to
At smog before building internal diffusion, discharge it outdoor in advance.Discharge fume particularly important for corridor and staircase, because of
Being used as escape and rescue passage for these regions, conventional building increases VMC (Ventilation Mechanical Control System), common new wind in corridor
The system ability when processing fire hazard aerosol fog has been short of, it is impossible to processes dense smoke in time and causes when fire occurs, the peace fled from
Full property has declined.
Summary of the invention
It is an object of the invention to provide a kind of fire-fighting ventilation and exhaust device, it has, and security performance is good, smoke evacuation ability is strong
Advantage.
The above-mentioned technical purpose of the present invention has the technical scheme that
A kind of fire-fighting ventilation and exhaust device, if including the some fire compartments with the dried layer on scissor-type corridor as foundation, often
Individual fire compartment has an extra exit and a normally opened air outlet, sets gradually pressure air blowing in each two fire compartment
Mouthful, pressure air blowing mouth is positioned at the bottom of corridor, and is connected with booster fan by the first air channel；Between each two fire compartment
Being provided with smoke bay, smoke bay includes that exhaust opening, exhaust opening are positioned at corridor top, and the second air channel is connected with smoke exhaust fan.
It is arranged such, in usual cases, normally opened air outlet can be used to carry out corridor ventilation；Running into fire feelings
During condition, can carry out discharging fume and ventilating by the setting of fire compartment and smoke bay, in the fire compartment of corridor bottom side, have
Pressure air blowing mouth can export substantial amounts of wind, it is ensured that bottom corridor, there is air blast, can evacuate on corridor with semi-crouch；?
In the middle of the smoke bay that the top of corridor is provided with, the dense smoke formed in corridor can be arranged above corridor by the exhaust opening having
Go out；The upper downstream that pressure air blowing mouth and exhaust opening interaction are formed forms discharge flue and fire escape, and safety is good.
Arrange further: in the extrusion section of described booster fan, be provided with check-valves and 70 DEG C of fire resisting dampers.
Being arranged such, the wind that the check-valves on booster fan is possible to prevent booster fan to send produces loop, it is achieved unidirectional
Air-supply, 70 DEG C of fire resisting dampers then produce flameproof effect.
Arrange further: the air output of described booster fan is 25000～33000 m3 /h。
Being arranged such, the air output of booster fan, in this interval, meets corridor bottom space, forms enough aeration flow
Amount.
Arrange further: check-valves and 280 DEG C of smoke exhaust fire dampers are set before described smoke exhaust fan entrance.
Being arranged such, the check-valves that smoke exhaust fan connects is possible to prevent, and the wind that smoke exhaust fan is sent produces loop, it is achieved single
To air-supply, 280 DEG C of fire resisting dampers then produce flameproof effect.
Arrange further: described smoke exhaust fan exhaust smoke level is 27720 m3 /h。
Being arranged such, the design of smoke exhaust fan exhaust smoke level should be less than the air output of booster fan, makes sending of booster fan
Stream pressure bigger, it is to avoid dense smoke is mixed into bottom corridor, it is ensured that the safety of evacuation.
Arrange further: described smoke exhaust fan is Double-speed fire-fighting high temperature smoke-eliminating fan, and normal wind air output is 13860m3 / h,
Mending wind air output is 15000 m3 /h。
Being arranged such, smoke exhaust fan can realize double speed and adjust, and when not having breaking out of fire, conventional air output can reduce energy
Source consumes, and during breaking out of fire, starts and mends wind reinforcement air-supply.
Arrange further: described pressure air blowing mouth and exhaust opening are electric multiblade air outlet, pressure air blowing one's intention as revealed in what one says speed
Being 5 m/s～7 m/s, exhaust opening wind speed is 8 m/s～10 m/s.
Being arranged such, electronic fallen leaves send point mouth can adjust the size of wind flow, it is simple to adjust air-out wind speed.
Arrange further: be provided with the relief valve with 70 DEG C of fire resisting dampers on the wall on every layer of scissor-type corridor, let out for every layer
The open area of pressure valve valve plate is 0.55 m 2。
It is arranged such, when the blast pressure within corridor is excessive when, when exceeding certain temperature and air pressure, pressure release
Valve is opened and is carried out pressure release, makes corridor air pressure keep constant.
Arrange further: at described extra exit, be provided with fire resistant doorsets.
Being arranged such, on the one hand arranging of fire resistant doorsets avoid dieseling, thus produces new smog, the most permissible
Extra exit is carried out inside and outside obstruct, and when needs intercept, fire resistant doorsets serve and well cut off effect.
Arrange further: the air-out direction of described exhaust opening is provided with high temperature resistant smoke exhaust pipe, and the surface of high temperature resistant smoke exhaust pipe sets
There is aluminium foil layer.
Being arranged such, exhaust opening needs the temperature getting rid of dense smoke the highest, needs to be got rid of by high temperature resistant smoke exhaust pipe, aluminium foil layer
Then adapt to high temperature, it is ensured that pipe safety.
Accompanying drawing explanation
Fig. 1 is embodiment 1 longitudinal cross-section schematic diagram；
Fig. 2 is the extra exit schematic diagram of embodiment 1；
Fig. 3 is embodiment 1 transverse sectional view；
Fig. 4 is the fire compartment structural representation of embodiment 2；
Fig. 5 is the smoke bay structural representation of embodiment 2.
In figure, 1, fire compartment；2, smoke bay；3, the first air channel；4, pressure air blowing mouth；5, the second air channel；6, smoke evacuation
Mouthful；7, booster fan；8, smoke exhaust fan；9, check-valves；10,70 DEG C of fire resisting dampers；11,280 DEG C of smoke exhaust fire dampers；12, normally opened
Air outlet；13, extra exit；14, fire resistant doorsets；15, relief valve.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Embodiment 1: a kind of fire-fighting ventilation and exhaust device, as it is shown in figure 1, this ventilation and exhaust device is arranged at scissor-type building
On road, if scissor-type corridor has dried layer, every layer of corridor is equipped with fire compartment 1, has a safety in each fire compartment 1
Outlet 13, extra exit 13 is provided with fire resistant doorsets 14, and fire resistant doorsets 14 are the door of corridor import or export.It is equipped with in each layer
One normally opened air outlet 12, normally opened air outlet 12 normally ventilates in being easy to corridor.
As shown in Figure 1 to Figure 3, setting gradually pressure air blowing mouth 4 in each two fire compartment 1, pressure air blowing mouth 4 is positioned at finger
The bottom of the corridor in given layer, is provided with booster fan 7 at the top of corridor, and booster fan 7 is pressurizeed with each by the first air channel 3
Air outlet 4 connects.
As it is shown on figure 3, be provided with check-valves 9 and 70 DEG C of fire resisting dampers 10, pressure air blowing mouth 4 in the extrusion section of booster fan 7
Be positioned at bottom the side of corridor, excessive at fire area, on all produce bottom corridor affect time, booster fan 7 one aspect is permissible
Protection, it is to avoid converse, time on the other hand then bottom fire area to corridor, booster fan 7 then quits work.
Pressure air blowing mouth 4 is electric multiblade air outlet, and pressure air blowing mouth 4 wind speed is 5 m/s～7 m/s, booster fan 7
Air output be 25000～33000 m3 /h。
As shown in Figure 1 to Figure 3, being provided with smoke bay 2 between each two fire compartment 1, smoke bay 2 includes exhaust opening
6, the top of the corridor of designated layer is located in the position of exhaust opening 6, and exhaust opening 6 is connected with each exhaust opening 6 by the second air channel 5,
Be provided with smoke exhaust fan 8 at the top of building, smoke exhaust fan 8 connects with the second air channel 5.
Arranging 280 DEG C of smoke exhaust fire dampers 11 before smoke exhaust fan 8 entrance, smoke exhaust fan 8 exhaust smoke level is 27720 m3 /h.Add
The air output of pressure fan 7 is preferably 30000 m3 / h, more than the exhaust smoke level of smoke exhaust fan 8.
It should be noted that smoke exhaust fan 8 is Double-speed fire-fighting high temperature smoke-eliminating fan 8, just there is a conventional blower fan and mend wind
Blower fan, the air output of conventional blower fan is 13860m3/ h, the air output mending wind blower fan is 15000 m3 /h。
Exhaust opening 6 is electric multiblade air outlet, and exhaust opening 6 wind speed is 8 m/s～10 m/s.
As it is shown on figure 3, be provided with the relief valve 15 with 70 DEG C of fire resisting dampers 10 on wall on every layer of scissor-type corridor, every layer
The open area of relief valve 15 valve plate is 0.55 m2。
The air-out direction of exhaust opening 6 is provided with high temperature resistant smoke exhaust pipe, and the surface of high temperature resistant smoke exhaust pipe is provided with aluminium foil layer.
The operation principle of the present invention is, corridor is natural draught system under normal circumstances, and the conventional blower fan of smoke exhaust fan 8 is normal
Work, is in low-speed running, normally opened air outlet 12 realize and extraneous ventilation.During breaking out of fire, fire alarm system can be triggered,
Booster fan 7 is then opened, toward the air supply at the bottom of corridor.Meanwhile, smoke exhaust fan 8 starts mends wind blower fan, runs up, to building
The top in road realizes smoke exhaust and air supply, and two strands distinguished and admirable, and because the differences of flow velocity, upper and lower air pressure is the most different, each self-forming discharge flue and
Fire escape.When corridor air pressure inside is too high, the unlatching of the valve plate of every layer of relief valve 15, it is ensured that the safety of corridor.
Embodiment 2, difference from Example 1 is, as shown in Figure 4, booster fan 7 may be set in designated layer and works as
In, there is a booster fan 7 in the middle of each designated layer, the first air channel 3 is without connecting each layer of corridor, in the middle of designated layer.
As it is shown in figure 5, in the middle of designated layer, the setting of smoke exhaust fan 8 is also such.
The above embodiments are only explanation of the invention, and it is not limitation of the present invention, people in the art
The present embodiment can be made after reading this specification by member as required does not has the amendment of creative contribution, but as long as at this
All protected by Patent Law in the right of invention.
Claims (10)
1. a fire-fighting ventilation and exhaust device, if including the some fire compartments with the dried layer on scissor-type corridor as foundation
(1) each fire compartment (1), has an extra exit (13) and a normally opened air outlet (12), it is characterised in that: often
Two fire compartments (1) set gradually pressure air blowing mouth (4), and pressure air blowing mouth (4) is positioned at the bottom of corridor, and by the first wind
Road (3) is connected with booster fan (7)；Being provided with smoke bay (2) between each two fire compartment (1), smoke bay (2) includes
Exhaust opening (6), exhaust opening (6) is positioned at corridor top, and the second air channel (5) are connected with smoke exhaust fan (8).
Fire-fighting ventilation and exhaust device the most according to claim 1, it is characterised in that: the extrusion of described booster fan (7)
Check-valves (9) and 70 DEG C of fire resisting dampers (10) it are provided with on Duan.
Fire-fighting ventilation and exhaust device the most according to claim 2, it is characterised in that: the air-supply of described booster fan (7)
Amount is 25000～33000 m3 /h。
Fire-fighting ventilation and exhaust device the most according to claim 1, it is characterised in that: before described smoke exhaust fan (8) entrance
Check-valves (9) and 280 DEG C of smoke exhaust fire dampers (11) are set.
Fire-fighting ventilation and exhaust device the most according to claim 1, it is characterised in that: described smoke exhaust fan (8) exhaust smoke level
It is 27720 m3 /h。
Fire-fighting ventilation and exhaust device the most according to claim 5, it is characterised in that: described smoke exhaust fan (8) is double speed
Fire-protection high temp (8), normal wind air output is 13860m3 / h, mending wind air output is 15000 m3 /h。
Fire-fighting ventilation and exhaust device the most according to claim 1, it is characterised in that: described pressure air blowing mouth (4) and
Exhaust opening (6) is electric multiblade air outlet, and pressure air blowing mouth (4) wind speed is 5 m/s～7 m/s, and exhaust opening (6) wind speed is 8
M/s～10 m/s.
Fire-fighting ventilation and exhaust device the most according to claim 1, it is characterised in that: the wall on every layer of scissor-type corridor
On be provided with the relief valve (15) with 70 DEG C of fire resisting dampers, the open area of every layer of relief valve (15) valve plate is 0.55 m 2。
Fire-fighting ventilation and exhaust device the most according to claim 1, it is characterised in that: described extra exit (13) place is arranged
There are fire resistant doorsets (14).
Fire-fighting ventilation and exhaust device the most according to claim 1, it is characterised in that: the air-out side of described exhaust opening (6)
To being provided with high temperature resistant smoke exhaust pipe, the surface of high temperature resistant smoke exhaust pipe is provided with aluminium foil layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610526285.1A CN106196403A (en) | 2016-07-05 | 2016-07-05 | Fire-fighting ventilation and exhaust device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610526285.1A CN106196403A (en) | 2016-07-05 | 2016-07-05 | Fire-fighting ventilation and exhaust device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106196403A true CN106196403A (en) | 2016-12-07 |
Family
ID=57465463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610526285.1A Pending CN106196403A (en) | 2016-07-05 | 2016-07-05 | Fire-fighting ventilation and exhaust device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106196403A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057017A (en) * | 2019-05-13 | 2019-07-26 | 常州市规划设计院(常州市规划编研中心) | A kind of fire prevention and smoke extraction system and its control method |
| CN111520856A (en) * | 2020-05-07 | 2020-08-11 | 浙江明基消防科技有限公司 | Air leakage control system of smoke prevention and exhaust system |
| CN113669829A (en) * | 2021-09-27 | 2021-11-19 | 南京铜安建设工程有限公司 | Fire engineering ventilation system that discharges fume |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1140787A (en) * | 1995-07-20 | 1997-01-22 | 张晓勋 | Smokeproof staircase for business hall of high-rise department stores |
| CN102032637A (en) * | 2010-12-31 | 2011-04-27 | 南京工业大学 | High-rise building fire and smoke prevention and discharge method and system based on smoke prevention buffer area |
| CN203654678U (en) * | 2014-01-03 | 2014-06-18 | 厦门合道工程设计集团有限公司 | Fire smoke resisting and discharging system for high-rise buildings |
| CN105240983A (en) * | 2015-11-09 | 2016-01-13 | 苏州鸣森控制系统有限公司 | Positive pressure air supply system and control method |
-
2016
- 2016-07-05 CN CN201610526285.1A patent/CN106196403A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1140787A (en) * | 1995-07-20 | 1997-01-22 | 张晓勋 | Smokeproof staircase for business hall of high-rise department stores |
| CN102032637A (en) * | 2010-12-31 | 2011-04-27 | 南京工业大学 | High-rise building fire and smoke prevention and discharge method and system based on smoke prevention buffer area |
| CN203654678U (en) * | 2014-01-03 | 2014-06-18 | 厦门合道工程设计集团有限公司 | Fire smoke resisting and discharging system for high-rise buildings |
| CN105240983A (en) * | 2015-11-09 | 2016-01-13 | 苏州鸣森控制系统有限公司 | Positive pressure air supply system and control method |
Non-Patent Citations (4)
| Title |
|---|
| 中华人民共和国公安部主编: "《建筑设计防火规范 GB50016-2014》", 27 August 2014, 中国计划出版社 * |
| 李娥飞: "《暖通空调设计与通病分析》", 31 March 2006, 北京：中国建筑工业出版社 * |
| 邢志祥: "《消防科学与工程设计》", 30 June 2014, 北京：清华大学出版社 * |
| 陆亚俊等: "《暖通空调》", 30 November 2007, 北京：中国建筑工业出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057017A (en) * | 2019-05-13 | 2019-07-26 | 常州市规划设计院(常州市规划编研中心) | A kind of fire prevention and smoke extraction system and its control method |
| CN111520856A (en) * | 2020-05-07 | 2020-08-11 | 浙江明基消防科技有限公司 | Air leakage control system of smoke prevention and exhaust system |
| CN113669829A (en) * | 2021-09-27 | 2021-11-19 | 南京铜安建设工程有限公司 | Fire engineering ventilation system that discharges fume |
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Application publication date: 20161207 |
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| RJ01 | Rejection of invention patent application after publication |