CN107905493A - A kind of fire automatic fume exhauster of volumed space building - Google Patents
A kind of fire automatic fume exhauster of volumed space building Download PDFInfo
- Publication number
- CN107905493A CN107905493A CN201711146975.5A CN201711146975A CN107905493A CN 107905493 A CN107905493 A CN 107905493A CN 201711146975 A CN201711146975 A CN 201711146975A CN 107905493 A CN107905493 A CN 107905493A
- Authority
- CN
- China
- Prior art keywords
- fire
- cloth curtain
- space building
- curtain cylinder
- volumed space
- Prior art date
- 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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C4/00—Flame traps allowing passage of gas but not of flame or explosion wave
- A62C4/04—Flame traps allowing passage of gas but not of flame or explosion wave in flues or chimneys
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/02—Vertical ducts; Channels, e.g. for drainage for carrying away waste gases, e.g. flue gases; Building elements specially designed therefor, e.g. shaped bricks or sets thereof
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
Abstract
A kind of fire automatic fume exhauster of volumed space building, several vertical smoke discharging pipes are being opened up at the top of volumed space building on ceiling, smoke exhaust fan is co-axially mounted in smoke discharging pipe, smoke exhaust pipe road junction overlying lid protective cover, a circle flexible cloth curtain cylinder is circumferentially configured below smoke discharging pipe, the upper end is fixedly mounted on the ceiling, some draw-strings of balanced configuration on cloth curtain cylinder, draw-string lower end is fixed on cloth curtain cylinder lower end, take up on by motor-driven roller upper end, the fire detector of configuration connects fire protection warning host in fire protection control center by alarm signal circuit in volumed space building, signal is transmitted to the control unit of fire automatic fume exhauster by fire protection warning host, control unit connects Emergency Power by control circuit, audible-visual annunciator is configured in control unit.During generation fire, cloth curtain cylinder can be dropped to flue gas Guinier-Preston zone and discharged fume by the present apparatus, substantially increase smoke discharging effect, effectively slowed down the speed of flue gas diffusion, be conducive to the control of early stage flue gas in fire.
Description
Technical field
The present invention relates to structural fire protection field, more particularly to a kind of smoke discharging structure of volumed space building.
Background technology
Show according to fire statistics data, flue gas is the arch-criminal that personnel death is caused in building fire, and personnel die of sootiness
Account for large percentage, up to 80%, in dead number is burnt, majority be also burnt after first poisoning is fallen in a swoon it is dead.
In the number that fire is died, most of is that dense smoke is smoked and chokes the reaction of generation asphyxia and cause death.Taken in Initial Stage of Fire most fast
Prompt, most effective smoke evacuation, is to reduce fire to maintain maximum, duration longest escape space and passage in the scene of a fire
The necessary condition of the calamity death rate.
By regulations for fire fighting, the marquis of the public transport such as subway, airport, railway station multiplies region and megastore, movie theatre, interior
Public place of entertainment should all be equipped with fire fume extractor.But after fire occurs for these volumed space buildings, since building height is higher,
After flue gas rises to certain altitude, buoyancy caused by flue gas and ambient air temperature difference disappears in a certain height and switchs to negative value,
Cause flue gas to stop rising and to extending transversely so that the fume extractor of building top can not be implemented effectively to discharge fume, smoke discharging effect
It is unsatisfactory, deposit the problems such as poor, the overall smoke exhaust efficiency of early stage flue gas inhibition in a fire is low.
The content of the invention
The technical problems to be solved by the invention are the fire automatic fume exhauster for providing a kind of volumed space building, should
Device can assemble layer height according to flue gas and intelligently decline smoke exhaust pipe, implement effectively smoke evacuation, slow down the speed of flue gas diffusion
Degree, control scene of a fire smog are spread rapidly, are conducive to the control of early stage flue gas in fire.
The present invention is achieved by the following technical solutions：
A kind of fire automatic fume exhauster of volumed space building, it is characterised in that：
It is spaced on the top ceiling of the volumed space building and opens up several vertical smoke discharging pipes, it is same in smoke discharging pipe
Axis installs smoke exhaust fan, and the upper end of smoke discharging pipe is exposed on the roof of the volumed space building, its one chimney of top covering
The protective cover of shape, lower end is exposed on the ceiling,
Circumferentially configure a circle flexible cloth curtain cylinder below smoke discharging pipe, cloth curtain cylinder upper/lower terminal is openend, and upper end
Diameter is less than lower end diameter, and the upper end is fixedly mounted on the ceiling,
Some draw-strings of balanced configuration on cloth curtain cylinder, draw-string lower end are fixed on cloth curtain cylinder lower end, and upper end is taken up to be driven by motor
Roller on, the projection of draw-string in the horizontal plane is overlapped with the radial direction of cloth curtain cylinder,
Motor and roller are fixed on the ceiling of smoke discharging pipe lower end outside, two-way power supply are configured on motor, all the way to be described
The main power source of volumed space building, is all the way Emergency Power, and motor, roller, Emergency Power and supply line are installed on the anti-of sealing
In fire-box body, draw-string activity from fireproof box is pierced by,
Some fire detectors are configured in the volumed space building,
Fire detector connects fire protection warning host in fire protection control center by alarm signal circuit, and fire protection warning host will
Signal is transmitted to the control unit of the fire automatic fume exhauster, and control unit connects Emergency Power and master by control circuit
Power supply, configures audible-visual annunciator in control unit,
Above-mentioned smoke discharging pipe, smoke exhaust fan, protective cover, cloth curtain cylinder, draw-string, fireproof box, the exposed face of fire detector are adopted
With will not be influenced by high temperature smoke, and in the scene of a fire personnel will not be caused to endanger or encourage the fire prevention incombustible material of the intensity of a fire
Or nonflammable material is made,
The fire automatic fume exhauster has two working statuses of smoke evacuation state and monitored state：
During monitored state, fire detector open monitoring, control unit start main power source to motor power supply, roller by draw-string around
Tightly, cloth curtain cylinder lower end is above carried, cloth curtain cylinder is received Volume and is close into cast on ceiling；
During smoke evacuation state, there is ignition point in some position or certain several position in the volumed space building, near ignition point
Fire detector send fire alarm signal to fire protection warning host, feed back the position of ignition point, fire protection warning host is by fire
Alert signal is sent to control unit, and control unit starts audible-visual annunciator and sends alarm, while starts the cloth curtain near ignition point
The corresponding main power source of cylinder or Emergency Power power motor, roller unwrapping wire, cloth curtain cylinder lower end are transferred high to flue gas accumulation regions
Degree, the tapered tubular of cloth curtain cylinder, smoke exhaust fan start, and smog is forced discharge institute by cloth curtain cylinder, smoke discharging pipe and protective cover
State outside volumed space building.
The present apparatus is installed on the top of volumed space building, and when a fire, control unit receives fire protection warning host
After alarm signal, the cloth curtain cylinder near ignition point is dropped to flue gas Guinier-Preston zone by control unit control motor, driving roller, so
Start smoke exhaust fan afterwards and implement forced fume exhaust.When case of fire is different, the height of flue gas Guinier-Preston zone may be not quite similar, therefore
Cloth curtain cylinder falling head is adjustable, assembles layer height by alarm signal intelligent decision flue gas by control unit, so as to control
Draw-string puts rope length degree, cloth curtain cylinder lower ending opening is placed exactly in flue gas Guinier-Preston zone.
Fireproof box is fixed on the ceiling around smoke discharging pipe by the bolt at top, motor, roller, urgent electricity
Source and supply line are installed in fireproof box, prevent from being damaged by high temperature smoke calcination.
Draw-string is arranged symmetrically, generally 2~4, and more draw-strings synchronously receive Volume or decentralization cloth curtain cylinder, so that cloth curtain
Cylinder avoids the folding and unfolding of cloth curtain cylinder uneven generally in the state received or transferred by Volume.The projection of draw-string in the horizontal plane with
The radial direction of cloth curtain cylinder overlaps, and is arrangement that is the most laborsaving and being easy to extraction.
Two-way power supply is configured with motor, when allowing for fire generation, the main power source in volumed space building at any time may
It is cut off, Emergency Power starts after main power source cut-out powers for motor, so that cloth curtain cylinder is fixed on suitable height and position.
The structure of protective cover is similar to chimney, its block of top with a taper, block passes through spaced apart vertical
Formula support column is installed on tubular cover body, and flue gas can be from the gap discharge between support column, while can prevent the rain of outside again
Water, dirt etc. are polluted by smoke discharging pipe into volumed space building, so as to be risen to the exposed smoke exhaust pipe road junction on roof
To protective effect.
Further, in order to ensure preferable forced fume exhaust effect, the configuration ratio of the smoke discharging pipe and volumed space building
Example be：Construction area per 500m2 configures a smoke discharging pipe, a diameter of 1.5m of smoke discharging pipe, the exhaust smoke level of smoke discharging pipe
Calculated according to following specification：
According to《Code for fire protection design of high rise buildings (50045-95)》8.4.1.3 bar provides, " does not possess natural draught system bar
Part or head room exceed the Zhongting of 12m, should set mechanical smoke extraction facility." Influences of Structuture amount calculating, press《Height rule》
8.4.2.3 bar provides, " when Zhongting volume is less than or equal to 17000m3, its exhaust smoke level presses the 6 times/h Calculation of Gas Exchange Process of its volume；
When Zhongting volume is more than 17000m3, its exhaust smoke level presses the 4 times/h Calculation of Gas Exchange Process of its volume, but minimum exhaust smoke level is no less than
l02000m3/h”。
Further, in taper barrel, oval cone barrel or pyramid tubular after the decentralization of cloth curtain cylinder.To expand whole smoke evacuation
The angle α taper of the smoke inlet bore of pipeline, the cloth curtain cylinder conical surface and horizontal plane is the smaller the better, while cloth curtain cylinder in order to balance
Decentralization height, the value range of α are generally 30 °~85 °.
Further, the cloth curtain cylinder is glass fabric cloth curtain cylinder, and poly- amino methyl ethyl ester is covered on its double-faced surface and is applied
Layer.Glass fabric soft texture, and light-weight, is easy to receive Volume, at the same again can high temperature resistant, be the ideal for manufacturing cloth curtain cylinder
Material, polyurethane possess low-thermal conductivity, the excellent stability relative to temperature change, fire resistance.
In addition, cloth curtain cylinder can also select the other materials with similar character to be made.
Further, the side wall of fireproof box is the galvanized steel plain sheet of more than thickness 2mm, and the draw-string is steel wire rope, firm
It is durable, fire-proof smoke-proof, and cost is more cheap.
Further, exposed LED signal lamp and buzzing alarm bell are configured on the Emergency Power, cheap observation understands urgent
The working condition and remaining capacity of power supply.
Further, alarm signal circuit and to control route be wired fire prevention circuit or radiolink, prevents high temperature cigarette
Flow calcination damage.
The beneficial effects of the present invention are：
1st, can be good at for the flue gas aggregation in volumed space building, situation about can not effectively discharge fume carries out forced fume exhaust, greatly
Smoke discharging effect is improved greatly, is conducive to the control of early stage flue gas in fire；
2nd, the speed of flue gas diffusion can effectively be slowed down, control scene of a fire smog is spread rapidly；
3rd, cloth curtain cylinder be usually not take up volumed space building inner space, it is necessary to when just rapidly decentralization use, it is simple in structure, can
It is good by property, easy to promoting the use on volumed space building.
Brief description of the drawings
The schematic elevation view of present apparatus when Fig. 1 is monitored state
The schematic elevation view of present apparatus when Fig. 2 is smoke evacuation state
Fig. 3 is the connection schematic diagram of the present apparatus
In Fig. 1~2：1 is smoke discharging pipe, and 2 be ceiling, and 3 be smoke exhaust fan, and 4 be protective cover, and 5 be cloth curtain cylinder, and 6 be draw-string, 7
It is roller for motor, 8,9 be fireproof box.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
It is spaced on the top ceiling 2 of volumed space building and opens up several vertical smoke discharging pipes 1, in smoke discharging pipe 1
Smoke exhaust fan 3 is co-axially mounted, the upper end of smoke discharging pipe 1 is exposed on the roof of the volumed space building, its top covering
The protective cover 4 of chimney, lower end are exposed on ceiling 2.
A circle flexible cloth curtain cylinder 5 is circumferentially configured below smoke discharging pipe 1,5 upper/lower terminal of cloth curtain cylinder is openend,
And upper end diameter is less than lower end diameter, the upper end is fixedly mounted on ceiling 2, and cloth curtain cylinder 5 is glass fabric cloth curtain cylinder,
Poly- amino methyl ethyl ester coating is covered on its double-faced surface.
Two draw-strings 6 of balanced configuration on cloth curtain cylinder 5,6 lower end of draw-string are fixed on cloth curtain cylinder 5 lower end, upper end take up by
On the roller 8 that motor 7 drives, the projection of draw-string 6 in the horizontal plane is overlapped with the radial direction of cloth curtain cylinder 5.
Motor 7 and roller 8 are fixed on the ceiling 2 of 1 lower end outside of smoke discharging pipe, and two-way power supply is configured on motor 7,
It is the main power source of the volumed space building all the way, is all the way Emergency Power, motor 7, roller 8, Emergency Power and supply line's peace
In the fireproof box 9 of sealing, exposed LED signal lamp and alarm bell are configured on Emergency Power, draw-string 6 is from fireproof box 9
Activity is pierced by.Wherein, the side wall of fireproof box 9 is the galvanized steel plain sheet of more than thickness 2mm, and draw-string 6 is steel wire rope.
Some fire detectors are configured in the volumed space building, fire detector is connected by alarm signal circuit
Fire protection warning host in fire protection control center, fire protection warning host transmit a signal to the fire automatic fume exhauster
Control unit, control unit connect Emergency Power and main power source by control circuit, audible-visual annunciator are configured in control unit,
Alarm signal circuit and control circuit are wired fire prevention circuit or radiolink, as shown in Figure 3.
Smoke discharging pipe 1, smoke exhaust fan 3, protective cover 4, cloth curtain cylinder 5, draw-string 6, fireproof box 9, fire detector it is exposed
Face, which uses, to be influenced by high temperature smoke, and the fire prevention that in the scene of a fire personnel will not be caused to endanger or encourage the intensity of a fire is non-ignitable
Burn material or nonflammable material is made.
The fire automatic fume exhauster includes two working statuses of smoke evacuation state and monitored state：
As shown in Figure 1, during monitored state, fire detector opens monitoring, and control unit starts main power source and powers, rolls to motor 7
Wheel 8 takes up draw-string 6, and 5 lower end of cloth curtain cylinder is above carried, and cloth curtain cylinder 5 is received Volume and is close into cast on ceiling 2；
As shown in Fig. 2, during smoke evacuation state, there is ignition point in some position or certain several position in the volumed space building,
Fire detector near ignition point sends fire alarm signal to fire protection warning host, feeds back the position of ignition point, fire-fighting report
Alert host transmission fire alarm information is to control unit, and control unit starts audible-visual annunciator and sends alarm, while preferential start catches fire
5 corresponding main power source of cloth curtain cylinder near point powers motor 7, if main power source has been cut off at this time, control unit starts
Emergency Power powers motor 7,8 unwrapping wire of roller, 5 lower end of cloth curtain cylinder is transferred at the flue gas Guinier-Preston zone to above ignition point, cloth
Curtain cylinder 5 is in conical tubular, and the maximum angle of the angle α of the cloth curtain cylinder conical surface and horizontal plane is 85 °, and smoke exhaust fan 3 starts, will
Smog is discharged outside the volumed space building by cloth curtain cylinder 5, smoke discharging pipe 1 and protective cover semi-finals system.
Claims (8)
- A kind of 1. fire automatic fume exhauster of volumed space building, it is characterised in that：Interval opens up several vertical smoke discharging pipes (1), smoke exhaust pipe on the top ceiling (2) of the volumed space building Smoke exhaust fan (3) is co-axially mounted in road (1), the upper end of smoke discharging pipe (1) is exposed on the roof of the volumed space building, its Top covers the protective cover (4) of a chimney, and lower end is exposed on ceiling (2),Circumferentially the circle flexible cloth curtain cylinder of configuration one (5), cloth curtain cylinder (5) upper/lower terminal are opening below smoke discharging pipe (1) End, and upper end diameter is less than lower end diameter, the upper end is fixedly mounted on ceiling (2),Some draw-strings (6) of balanced configuration on cloth curtain cylinder (5), draw-string (6) lower end are fixed on cloth curtain cylinder (5) lower end, and upper end is taken up On the roller (8) driven by motor (7), the projection of draw-string (6) in the horizontal plane is overlapped with the radial direction of cloth curtain cylinder (5),Motor (7) and roller (8) are fixed on the ceiling (2) of smoke discharging pipe (1) lower end outside, and motor configures two-way on (7) Power supply, is all the way the main power source of the volumed space building, is all the way Emergency Power, motor (7), roller (8), Emergency Power and Supply line is installed in the fireproof box (9) of sealing, and draw-string (6) activity from fireproof box (9) is pierced by,Some fire detectors are configured in the volumed space building,Fire detector connects the fire protection warning host in fire protection control center, fire protection warning host by alarm signal circuit Signal is transmitted to the control unit of the fire automatic fume exhauster, control unit by control circuit connect Emergency Power and Main power source, configures audible-visual annunciator in control unit,Above-mentioned smoke discharging pipe (1), smoke exhaust fan (3), protective cover (4), cloth curtain cylinder (5), draw-string (6), fireproof box (9), fire The exposed face of detector, which uses, to be influenced by high-temperature flue gas, and in the scene of a fire personnel will not be caused to endanger or encourage fire The fire prevention incombustible material or nonflammable material of gesture are made,The fire automatic fume exhauster has two working statuses of smoke evacuation state and monitored state：During monitored state, fire detector opens monitoring, and control unit starts main power source will to motor (7) power supply, roller (8) Draw-string (6) takes up, and will be carried on cloth curtain cylinder (5) lower end, and cloth curtain cylinder (5) is received Volume and is close into cast on ceiling (2)；During smoke evacuation state, there is ignition point in some position or certain several position in the volumed space building, near ignition point Fire detector fire alarm signal is sent to control unit by fire protection warning host, feed back position and the cigarette of ignition point Gas assembles layer height, and control unit starts audible-visual annunciator and sends alarm, while it is right to start the cloth curtain cylinder (5) near ignition point The main power source or Emergency Power answered power motor (7), roller (8) unwrapping wire, and cloth curtain cylinder (5) lower end is transferred to ignition point At the flue gas Guinier-Preston zone of top, cloth curtain cylinder (5) tapered tubular, smoke exhaust fan (3) start, by smog by cloth curtain cylinder (5), Smoke discharging pipe (1) and protective cover (4) are forced to be expelled to outside the volumed space building.
- 2. the fire automatic fume exhauster of volumed space building according to claim 1, it is characterised in that：The smoke exhaust pipe Road (1) and the allocation ratio of volumed space building are：Construction area per 500m2 configures a smoke discharging pipe (1), smoke discharging pipe (1) a diameter of 1.5m.
- 3. the fire automatic fume exhauster of volumed space building according to claim 1, it is characterised in that：The draw-string (6) For 2~4.
- 4. the fire automatic fume exhauster of volumed space building according to claim 1, it is characterised in that：The cloth curtain cylinder (5) in taper barrel, oval cone barrel or pyramid tubular after transferring, the angle α of the cloth curtain cylinder conical surface and horizontal plane for 30 °~ 85°。
- 5. the fire automatic fume exhauster of volumed space building according to claim 1, it is characterised in that：The cloth curtain cylinder (5) it is glass fabric cloth curtain cylinder, poly- amino methyl ethyl ester coating is covered on its double-faced surface.
- 6. the fire automatic fume exhauster of volumed space building according to claim 1, it is characterised in that：The fireproof box The side wall of body (9) is the galvanized steel plain sheet of more than thickness 2mm, and the draw-string (6) is steel wire rope.
- 7. the fire automatic fume exhauster of volumed space building according to claim 1, it is characterised in that：The urgent electricity Exposed LED signal lamp and alarm bell are configured on source.
- 8. the fire automatic fume exhauster of volumed space building according to claim 1, it is characterised in that：The alarm signal Number circuit and control circuit are wired fire prevention circuit or radiolink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711146975.5A CN107905493A (en) | 2017-11-17 | 2017-11-17 | A kind of fire automatic fume exhauster of volumed space building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711146975.5A CN107905493A (en) | 2017-11-17 | 2017-11-17 | A kind of fire automatic fume exhauster of volumed space building |
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| Publication Number | Publication Date |
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| CN107905493A true CN107905493A (en) | 2018-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711146975.5A Pending CN107905493A (en) | 2017-11-17 | 2017-11-17 | A kind of fire automatic fume exhauster of volumed space building |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112562243A (en) * | 2020-12-01 | 2021-03-26 | 哈尔滨蜜国郎物业有限公司 | Fire alarm system |
-
2017
- 2017-11-17 CN CN201711146975.5A patent/CN107905493A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112562243A (en) * | 2020-12-01 | 2021-03-26 | 哈尔滨蜜国郎物业有限公司 | Fire alarm system |
| CN112562243B (en) * | 2020-12-01 | 2022-03-25 | 北京星度科技有限公司 | Fire alarm system |
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Application publication date: 20180413 |