CN2791156Y - Multi-layer house common flue of negative-pressure type preventing smoke from cross flowing and air back-flowing - Google Patents
Multi-layer house common flue of negative-pressure type preventing smoke from cross flowing and air back-flowing Download PDFInfo
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- CN2791156Y CN2791156Y CN 200420113783 CN200420113783U CN2791156Y CN 2791156 Y CN2791156 Y CN 2791156Y CN 200420113783 CN200420113783 CN 200420113783 CN 200420113783 U CN200420113783 U CN 200420113783U CN 2791156 Y CN2791156 Y CN 2791156Y
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- flue
- frid
- arch bar
- pipe
- cap
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Abstract
The utility model relates to a negative-pressure type multi-layer house common flue for preventing smoke from cross flowing and air back flow. An arced arch bar is additionally arranged on an inlet for the smoke gas to enter the flue on each floor in the flue, and a throat part of the flue is formed at the part, and the smoke gas inlet of a resident is positioned on the top part of the arced arch bar. When the smoke gas flows through the throat part of the flue, the speed is accelerated, and thus negative pressure is formed on the throat part of the flue. Consequently, the utility model realizes that the smoke gas in the flue only can flow through the throat part of the flue but can not enter the smoke gas inlet of the resident positioned on the throat part of the flue to spread to a resident house which does not open a kitchen ventilator. Additionally, a flue cap, wherein the top of which is provided with a wind guiding pipe is also additionally arranged on a roof, the middle of the wind guiding pipe is small and flat, and both ends of the wind guiding pipe are gradually enlarged in a bugle shape to prevent the back flow of the outdoor air to a room. The utility model can be applied to the vertical exhaust of the kitchen oil fume of the residents in each floor of a multilayer or high-rise residence, and can also be used for the vertical exhaust of the indoor air of guest houses, office buildings, residence toilets, etc.
Description
Affiliated technical field
The utility model relates to and a kind ofly can prevent mutual smoke blowing gas and prevent that outdoor wind-fall from irritating indoor multistoried building common flue.
Background technology
At present, known multistoried building common flue is a flow-guiding type major-minor flue device.It is made up of flue collector and auxillary flue.Its operating principle is that the oil smoke in the man of resident family is entered auxillary flue, by the process of one section rising, reach 2～2.5 meters high after, enter flue collector again and discharge outdoorly, wish to realize thus not smoke blowing gas between each layer resident family.But find that in practice still there is mutual smoke blowing gas between each layer resident family in this flue.Its reason is each floor resident family auxillary flue with the blast of the smoke inlet place all directions of flue collector is the same, and when having lampblack absorber to open in the common flue, the air pressure in the flue increases, and does not open the oil smoke of others' family of will emerging in the man of resident family of lampblack absorber.Especially when top layer and bottom lampblack absorber were opened, the air pressure in the floor flue that mediates was higher, easier the emerge phenomenon of others' family's flue gas of man of intermediate floor resident family that occurs.
Known flue exit opening is to add a lid on its top, and four directions or two sides stay steam vent to carry out exhaust under the lid, and its shortcoming is easily to produce the downdraught phenomenon.
Summary of the invention
In order to overcome the deficiency of the smooth or downdraught of existing multilayer, the mutual smoke blowing gas of each floor gap of high-story house common flue and roof outlet flue smoke evacuation, the utility model provides a kind of multilayer, high-story house common flue, this flue can effectively prevent smoke blowing gas between each floor, and it is indoor to prevent that again outdoor wind-fall from pouring into.
The technical scheme that its technical problem that solves the utility model adopts is: add asbestos fiber or gauze wire cloth is made the flue frid with cement mortar, perhaps adopt constructional materialss such as plank, steel plate, iron sheet, plastics to make the flue frid.Flue frid cross section is " Qian " shape, and flue frid cross section can be by square, or triangle, or circular, or trapezoidal, or pentagon, or other polygons, or arc combines with polygon, removes a side or opens a gap and form.Flue frid cross sectional area, according to how many definite its sizes of number of floor levels, can be in same storied building, the cross-sectional area of 1～6 floor is 270MM * 320MM, along with the increase cross section of number of floor levels is gradually big, is 500MM * 600MM to the maximum; Flue frid length equates with story height.The midfeather that folds in flue frid two side is opened a hole, and this place, hole adds an arch bar in frid.Arch bar can be the arc-shaped curved surface plate, or the gradually low arch sheet in high two, centre that is combined to form of straight plate and curved slab, or the gradually low arch sheet in high two, centre that is combined to form of plate directly.Straight or little curved surface is made at the protrusion top of arch bar, and open a hole thereon, this hole is positioned at the center that arch bar protrudes the top, the width in hole should be less than the width of arch bar, with box lunch during from this hole ejection air-flow, its ejection air-flow both sides also have living space and allow the flue gas of following floor pass through, and allow hole on the arch bar be higher than hole on the flue frid when mounted.The protrusion top of arch bar apart from the distance of flue frid midfeather frid sidewall overall width 1/3rd to 3/5ths between determine.Arch bar both sides and flue frid sidewall close proximity.Arch bar two ends and flue frid midfeather close proximity.Then, the hole on the flue frid is connected with hole on the arch bar, and Oil Guide smoke pipe center line and flue frid midfeather top acutangulate crossing with an Oil Guide smoke pipe.Oil Guide smoke pipe inlet is for circular, and its diameter determines that between 120MM to 280MM the outlet of Oil Guide smoke pipe can be circular, or oval, or square, or other polygons, and its area is less than inlet area.The Oil Guide smoke pipe can add asbestos fiber with plastics or iron sheet or corrosion resistant plate or cement mortar and make.Form the single-unit flue by flue frid, arch bar, Oil Guide smoke pipe.The single-unit flue also can integral prefabricatedly form.Each floor is installed a single-unit flue.When mounted, flue frid opening method, edge is cemented with cement mortar near the kitchen wall, and sealing, thereby form the exhaust gases passes of a complete seal, and the arch bar in flue protrudes the top and forms less flue throat.The Oil Guide smoke pipe is outside to be connected with the smoke exhaust outlet flue, so that allow man of resident family oil smoke enter in the flue from the Oil Guide smoke pipe.The single-unit flue that is installed in first floor communicates with the damp proof insulation layer, perhaps leads to outdoor at first floor apart from ground 2M eminence.Flue cap of tipping on top floor flue outlet position.
The flue cap is made up of vertical flue pipe and the horizontal guide duct that is added in its top.Flue cap guide duct is made up of the loudspeaker at two ends and the collection flow channels of neutral straight and bottom opening, the vertical and intersectant centerline of flue cap guide duct center line and vertical flue pipe, the vertical flue pipe outlet of the opening of flue cap guide duct central bottom and flue cap is joined, and two loudspeaker of flue cap guide duct are respectively towards North and South direction.Flue cap guide duct cross section can be circular, square, triangle, pentagon or other polygons.
Also can make flue pipe and replace the flue frid, the cross section of flue pipe can be square, or circular, or triangle, or trapezoidal, or pentagon, or other polygons, or arc combines with polygon.The associated methods of arch bar and flue pipe is with the flue frid, and the associated methods of Oil Guide smoke pipe and flue pipe is also with the flue frid.
Flue cap guide duct operating principle is, when blowing south wind or north wind, wind-force quickens to flow through guide duct intermediate collector passage by the guide duct loudspeaker, forms certain negative pressure in collection flow channels, attracts the air in the flue outwards to discharge when outdoor.Blow thing wind or up and down during convection current wind when outdoor, flue cap guide duct is diverted to the both sides horn mouth with it and flows through, take away bell-mouthed flue gas, make the flue gas in the flue constantly add to horn mouth, add air in the flue be heated the effect that the back rises automatically and the effect of lampblack absorber smoke evacuation pressurization, the flue gas in the flue will discharge outside the roof continuously.When calm, the flue gas in the flue discharges outside the trend roof under the effect of thermodynamic activity and lampblack absorber pressurization.
Operating principle of the present utility model is, when lampblack absorber is opened by a certain resident family of common flue, because the effect of Oil Guide smoke pipe, make oil smoke upwards spray the flue throat that passes through This floor, in flue, form certain pressure, the sucking action that adds upper flue cap guide duct, make flue gas pass through the flue throat of next level resident family fast, when flue gas passed through next level flue throat, flue gas flow rate was accelerated, and produced certain negative pressure, if at this moment lampblack absorber is not opened by the resident family of this floor, under the effect of negative pressure, the air of this man of resident family is inhaled into flue, and the flue gas of others' family can not enter this man of resident family.If at this moment lampblack absorber has also been opened by the resident family of this floor, the flue gas of others' family of can not emerging is affirmed by this man of resident family, simultaneously, also can not stop the flue throat of the flue gas of lower floor by this floor, because there is one spouting flue gas stream in the flue throat at this floor, this flue gas miscarriage is given birth to suction function and is attracted its flue gas on every side to move upward, and the both sides of this flue gas stream have certain space to allow following flue gas pass through.If common flue has several families to open lampblack absorber simultaneously, the corresponding increasing of air pressure in the flue, because flue is communicated with the outside, and the sucking action that flue cap guide duct is arranged, flue gas in the flue can be discharged the roof by each flue throat apace, produce bigger suction function in each flue throat simultaneously, attract the relevant interior air of the family of resident family of not opening lampblack absorber to efflux toward the roof by flue.
The beneficial effects of the utility model are to solve mutual smoke blowing and the indoor problem of outdoor wind-fall filling between multilayer, each floor resident family of high residential building kitchen common flue.Also can be used for room airs such as hotel, office premises, residence toilet vertically discharges.Simultaneously simple in structure, easily manufactured.And more major and minor chimney meatus transmitting smoke mode has increased effective smoke evacuation volume, has saved the interior space.Flue cap wherein can also be used for the exit opening of vertical refuse chute and the cooking stove chimney breast of unpowered smoke evacuation, with preventing air reverse flow.
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a common flue general assembly schematic diagram of the present utility model.
Fig. 2 is a single-unit flue front view.
Fig. 3 is the A-A sectional plane of Fig. 2.
Fig. 4 is the B-B sectional view of Fig. 3.
Fig. 5 is a flue cap front view.
Fig. 6 is the C-C sectional view of Fig. 5.
Fig. 7 is the D-D sectional view of Fig. 6, i.e. flue cap guide duct sectional structural map.
Fig. 8 is a flue larynx body front view.
Fig. 9 is the E-E sectional view of Fig. 8.
Figure 10 is that arch bar is the flue larynx body structure figure that straight plate is formed.
Figure 11 is the F-F sectional view of Fig. 9.
Figure 12 is the installation drawing of flue larynx body.
1. flue frid midfeathers among the figure, 2. exhaust gases passes, 3. the Oil Guide smoke pipe enters the mouth, 4. Oil Guide smoke pipe, 5. Oil Guide smoke pipe outlet, 6. flue throat, 7. arch bar, 8. flue frid sidewall edge, 9. the vertical flue tube wall of flue cap, 10. flue cap guide duct north orientation loudspeaker, the horizontal guide duct of 11. flue caps and vertical flue pipe interface, 12. flue cap guide duct stage casing collection flow channels, 13. flue cap guide duct stage casing collection flow channels wall, 14. flue cap guide duct south orientation loudspeaker, the straight plate of 15. flue larynx bodies, 16. flue larynx body location-plates.
The specific embodiment
In Fig. 1, add asbestos fiber with cement mortar and be prefabricated into " Qian " shape flue frid, its cross section is 270MM * 320MM.Open a hole in the top that is positioned at flue frid midfeather (1), and place, this hole in the flue frid installs an arch bar (7) additional, the protrusion top of arch bar (7) is 120MM apart from the distance of flue frid midfeather (1).130MM ± 30MM long flat face or little curved surface are made in the arch bar top, protrude the top at arch bar and open a hole, are used for installing Oil Guide smoke pipe (4), and the hole width on the arch bar is 1/2nd of an arch bar width, and are positioned at the center that arch bar protrudes the top.The two at arch bar protrusion top is gradually low, during to two ends, and with flue frid midfeather (1) close proximity, arch bar (7) both sides and flue frid two side close proximity.Then, the hole on hole on the arch bar (7) and the flue frid midfeather (1) is coupled together, and allow Oil Guide smoke pipe (4) center line and flue frid midfeather (1) top install in angle of 45 degrees with Oil Guide smoke pipe (4).Oil Guide smoke pipe inlet diameter is 150MM, and outlet diameter is 120MM.Oil Guide smoke pipe outlet (5) is positioned at the protrusion top of arch bar (7), and exceeds arch bar 10MM.Oil Guide smoke pipe inlet (3) joins with the lampblack absorber smoke exhaust pipe.Flue frid sidewall edge (8) is bonding with the kitchen wall, forms the exhaust gases passes (2) of a sealing, and less flue throat (6) is formed on the protrusion of the arch bar in flue top.The bottom surface of the bottom surface of flue cap guide duct north orientation loudspeaker (10), flue cap guide duct south orientation loudspeaker (14), flue cap guide duct stage casing collection flow channels wall and the vertical flue tube wall of flue cap (9) close proximity, form flue cap guide duct and vertical flue pipe interface (11), allow the flue gas in the flue pass through from flue cap guide duct and vertical flue pipe interface (11), flue cap guide duct north orientation loudspeaker (10) are towards the north, flue cap guide duct south orientation loudspeaker (14) Souteern Exposure.
The operating principle of flue cap guide duct is, when outdoor when blowing north wind, wind-force quickens to flow through flue cap guide duct stage casing collection flow channels (12) by flue cap guide duct north orientation loudspeaker (10), and form certain negative pressure at this position, attract the flue gas in the flue to discharge outward to flue cap guide duct south orientation loudspeaker (14) by flue cap guide duct and vertical flue pipe interface (11).When blowing south wind, side is discharged outward by flue cap guide duct north orientation loudspeaker (10) when outdoor.Blow thing wind or up and down during convection current wind when outdoor, flue cap guide duct is diverted to the both sides horn mouth with it and flows through, take away bell-mouthed flue gas, make the flue gas in the flue constantly add to horn mouth, add be heated effect that the back rises automatically and resident family of flue gas in the flue and open pressure effect behind the lampblack absorber, the flue gas in the flue will discharge outside the roof continuously.When calm, flue gas outwards discharging automatically under the pressure effect behind thermodynamic activity and the resident family's unlatching lampblack absorber in the flue.
Operating principle of the present utility model is, when lampblack absorber is opened by the resident family of a certain floor, because the effect of Oil Guide smoke pipe (4), oil smoke is sprayed by this floor flue throat (6), in flue, form certain pressure, the sucking action that adds upper flue cap guide duct passes through the flue gas in the flue rapidly from the flue throat of next level resident family.When flue gas flows through the flue throat of next level, flow velocity is accelerated, produce certain negative pressure, if at this moment lampblack absorber is not opened by the resident family of this floor, under the effect of negative pressure, the air of this man of resident family is inhaled into flue, but the flue gas of others' family can not enter this man of resident family, if at this moment lampblack absorber has also been opened by the resident family of this floor, the flue gas of others' family of can not emerging is affirmed by this man of resident family, simultaneously, also can not stop the flue throat of the flue gas of lower floor by this floor, because there is general spouting flue gas stream in the flue throat at this floor, this flue gas miscarriage is given birth to suction function and is attracted its flue gas on every side to move upward, and the both sides of this flue gas stream have certain space to allow following flue gas pass through.If being arranged simultaneously, several resident families open lampblack absorber, the corresponding increasing of air pressure in the side flue, because flue is communicated with the outside, flue gas in the flue fails to be convened for lack of a quorum and discharges the roof by each flue throat apace, simultaneously, produce bigger suction function in each flue throat, attract relevant resident family's room air of not opening lampblack absorber to efflux, thereby realize multilayer, the high-story house common flue target of not smoke blowing mutually toward the roof.
In Fig. 8, Fig. 9, Figure 11, the straight plate of flue larynx body (15) connects arch bar (7) two ends, Oil Guide smoke pipe (4) is installed on arch bar (7) and the straight plate of flue larynx body (15), and becomes the angle of 45 degree with the straight plate of flue larynx body top, and arch bar is extended for flue larynx body location-plate (16).Arch bar (7), the straight plate of flue larynx body (15), Oil Guide smoke pipe (4) and flue larynx body location-plate (16) are formed flue larynx body.Prefabricated the forming of flue larynx body.Arch bar among Figure 10 (7) is to be combined by straight plate.In Figure 12, build flue or replace the flue frid with brick with the cast-in-place flue of mixed earth, flue larynx body is installed in the brick flue of building or with in the cast-in-place flue of mixed earth, and installs a flue cap additional, just can realize the target of not smoke blowing of common flue at top floor.
Claims (9)
1, a kind of common flue is made up of single-unit flue and flue cap, it is characterized in that: add asbestos fiber or gauze wire cloth is made the flue frid with cement mortar, perhaps adopt constructional materialss such as plank, steel plate, iron sheet, plastics to make the flue frid; Flue frid cross section is " Qian " shape, and flue frid cross section can be by square, or triangle, or circular, or trapezoidal, or pentagon, or other polygons, or arc combines with polygon, removes a side or opens a gap and form; Flue frid length equates with story height; The midfeather that folds in flue frid two side is opened a hole, and this place, hole adds an arch bar in the flue frid; Arch bar can be the arc-shaped curved surface plate, or the gradually low arch sheet in high two, centre that is combined to form of straight plate and curved slab, or the gradually low arch sheet in high two, centre that is combined to form of plate directly; Straight or little curved surface is made at the protrusion top of arch bar, and opens a hole thereon, and this hole is positioned at the center that arch bar protrudes the top, and the width in hole is less than the width of arch bar, and allows hole on the arch bar be higher than hole on the flue frid when mounted; Arch bar both sides and flue frid sidewall close proximity; Arch bar two ends and flue frid midfeather close proximity; Then, with an Oil Guide smoke pipe hole on the flue frid is connected with hole on the arch bar, and Oil Guide smoke pipe center line and flue frid midfeather top acutangulate crossingly, the Oil Guide smoke pipe exceeds arch bar 10MM; Form the single-unit flue by flue frid, arch bar, Oil Guide smoke pipe; Each floor is installed a single-unit flue; When mounted, flue frid opening method, edge is cemented with cement mortar near the kitchen wall, and sealing, thereby form the exhaust gases passes of a complete seal, and the arch bar in flue protrudes the top and forms less flue throat; The Oil Guide smoke pipe is outside to be connected with the smoke exhaust outlet flue; The single-unit flue that is installed in first floor communicates with the damp proof insulation layer, perhaps leads to outdoor at first floor apart from ground 2M eminence; Flue cap of tipping on top layer flue outlet position;
The flue cap is made up of vertical flue pipe and the horizontal guide duct that is added in its top; Flue cap guide duct is made up of the loudspeaker at two ends and the collection flow channels of neutral straight and bottom opening, the vertical and intersectant centerline of flue cap guide duct center line and vertical flue pipe, the vertical flue pipe outlet of the opening of flue cap guide duct central bottom and flue cap is joined, and two loudspeaker of flue cap guide duct are respectively towards North and South direction; Flue cap guide duct cross section can be circular, square, triangle, pentagon or other polygons;
2, common flue according to claim 1 is characterized in that: can make flue pipe and replace the flue frid, the cross section of flue pipe can be square, or circular, or triangle, or trapezoidal, or pentagon, or other polygons, or arc combines with polygon.
3, common flue according to claim 1 is characterized in that: flue frid or flue pipe cross sectional area, can be in same storied building, and 1～6 floor is 270MM * 320MM, along with the increase cross section of the house number of plies is gradually big, is 500MM * 600MM to the maximum.
4, common flue according to claim 1 is characterized in that: the protrusion top of arch bar (7) is apart from the distance of flue frid midfeather (1), flue frid sidewall overall width 1/3rd to 3/5ths between determine.
5, common flue according to claim 1 is characterized in that: Oil Guide smoke pipe inlet is for circular, and its diameter is determined between 120MM to 280MM, the outlet of Oil Guide smoke pipe can be circular, or oval, or square, or other polygons, its area is less than inlet area.
6, common flue according to claim 1 is characterized in that: the single-unit flue of being made up of flue frid or flue pipe, arch bar and Oil Guide smoke pipe can integral prefabricatedly form.
7, common flue according to claim 1, it is characterized in that: arch bar (7) and Oil Guide smoke pipe (4) can be separated and mix the straight plate of flue larynx body (15) again, flue larynx body location-plate (16) is formed flue larynx body, be installed in brick flue or with in the cast-in-place flue of mixed earth.
8, according to claim 1 and the described common flue of claim 7, it is characterized in that: can be used for multi-storey building, vertically discharge fume in the high residential building kitchen; Also can be used for room airs such as hotel, office premises, residence toilet vertically discharges.
9, common flue according to claim 1 is characterized in that: the flue cap can be applied to the exit opening of vertical refuse chute and the cooking stove chimney breast of unpowered smoke evacuation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420113783 CN2791156Y (en) | 2004-12-28 | 2004-12-28 | Multi-layer house common flue of negative-pressure type preventing smoke from cross flowing and air back-flowing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420113783 CN2791156Y (en) | 2004-12-28 | 2004-12-28 | Multi-layer house common flue of negative-pressure type preventing smoke from cross flowing and air back-flowing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2791156Y true CN2791156Y (en) | 2006-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420113783 Expired - Fee Related CN2791156Y (en) | 2004-12-28 | 2004-12-28 | Multi-layer house common flue of negative-pressure type preventing smoke from cross flowing and air back-flowing |
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| Country | Link |
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| CN (1) | CN2791156Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102071790A (en) * | 2010-12-02 | 2011-05-25 | 王晓东 | Energy-saving combined smoke exhaust air channel |
| CN102108781A (en) * | 2010-12-29 | 2011-06-29 | 潘长锦 | Concentrated exhaust pipeline for buildings and application thereof |
-
2004
- 2004-12-28 CN CN 200420113783 patent/CN2791156Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102071790A (en) * | 2010-12-02 | 2011-05-25 | 王晓东 | Energy-saving combined smoke exhaust air channel |
| CN102108781A (en) * | 2010-12-29 | 2011-06-29 | 潘长锦 | Concentrated exhaust pipeline for buildings and application thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |