CN1763336A - Self-discharging air duct with smoke control - Google Patents
Self-discharging air duct with smoke control Download PDFInfo
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- CN1763336A CN1763336A CN 200510071846 CN200510071846A CN1763336A CN 1763336 A CN1763336 A CN 1763336A CN 200510071846 CN200510071846 CN 200510071846 CN 200510071846 A CN200510071846 A CN 200510071846A CN 1763336 A CN1763336 A CN 1763336A
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Abstract
The invention discloses an automatic-drainage smoke-inverting-proof back-flushed-resistance ventilating pipe, which is characterized by the following: setting one or more auxiliary ventilating pipe in each floor with automatic-drainage device in the ventilating opening; setting the draft device on the roof top of ventilating pipe. The ventilating pipe contains main ventilating pipe from the base to the top of building vertically and auxiliary pipes, which keeps stable negative pressure to eliminate the oil smoke inverting and exchanging phenomenon.
Description
Technical field
The present invention relates to building ventilation smoke evacuation field member, is that a kind of dwelling house is concentrated the vertical gas pass in the exhaust system specifically.
Background technology
China townsfolk lives in multilayer and the middle and high layer residential building more at present, for solving the oil smoke discharge problem, nation-building portion regulation rose in 99 years must install vertical centralized smoke vent in the construction wall in lavatory, newly-built dwelling house kitchen, i.e. the gas unification that each family is discharged with smoke exhaust ventilator, exhaust fan is sent to the high-altitude through pipe special.Yet in the real life, when many smoke exhaust ventilators, exhaust fan were worked simultaneously, oil, flue gas were known from experience and are formed negative pressure in each floor generation air pressure change in the flue, occurred ' pouring in down a chimney ' phenomenon such as ' collaborate ' easily, caused secondary pollution.Be head it off, builders have installed various ' check (non-return) valves ' in flue, but effect is not satisfactory.Just make the valve block folding malfunctioning owing to the greasy dirt adhesion after often using a period of time, maintenance cost is higher.
Summary of the invention
The object of the present invention is to provide a kind of can making to keep in the passage stablizing negative pressure state, prevent smoke blowing, pour in down a chimney the self arrangement exhast duct that phenomenon occurs.
The present invention is achieved in that exhast duct 1 comprises main exhast duct 2 and a plurality of auxiliary exhast duct 3, and main exhast duct 2 is cylindrical body of a cavity, vertically extends through top layer from the residential building bottom and is divided into and is the first floor 4, interlude 5,6 three parts of top layer.Be equipped with one or more auxiliary exhast ducts 3 in the exhast duct 1 of every floor, air outlet 7 places are provided with elf-exhaustor 8 in auxiliary exhast duct 3, and elf-exhaustor 8 communicates with the flue gas mouth of each household.Be that the roof layer goes out the roofing place draught unit 16 is set in top layer 6 upper ends.
Elf-exhaustor 8 of the present invention is achieved in that the blast pipe 15 that is communicated with the flue gas mouth of each household passes supporting plate 14 and inserts in the elf-exhaustor 8 from a side of elf-exhaustor housing 9, housing 9 upper ends are open air guide hole 10, the lower end is connected with oil guide pipe 11, oil storage box 12 1 ends are connected on the supporting plate 14, and be connected with oil guide pipe 11, baffle plate 13 is below the oil storage box 12 and be fixed on the supporting plate 14, supporting plate 14 and exhast duct 1 outer wall overlap joint.
The main body 17 of draught unit 16 of the present invention is a hollow body, installs exhaust duct 18 in the upper shed of the centre of its circumferential lateral surface, and exhaust duct 18 connects exhaust bucket 19, and main body 17 upper ends are provided with top cover 20.Exhaust duct 18 and exhaust bucket 19 are ducted body, and exhaust bucket 19 ends are flapped toward main body 17 and are 0～130 degree angle with exhaust duct 18.
The present invention is simple in structure, reasonable in design, with low cost.According to the air pressure change difference of oil smoke gas,, thereby realize remaining negative pressure in the exhast duct in the topology layout also different (structure at interlude the 3rd floor is fixed) of the auxiliary exhast duct of the exhast duct first floor, interlude and top layer at each floor gap.Elf-exhaustor is installed in the auxiliary exhast duct, and even without the effect of smoke exhaust ventilator and exhaust fan, elf-exhaustor also can rely on the air pressure that flows from bottom to up in the auxiliary exhast duct, drives oil smoke and discharges from air outlet, promptly forms so-called ' row certainly '.Simultaneously, the grease in the oil smoke gas can flow into oil storage box by oil guide pipe.Oil storage box can be cleaned by outside directly taking-up of smoke vent.The draught unit device exceeds premises at roof, can avoid the air-flow in the exhast duct external world and the interior air-flow formation convection current generation to outer discharging of road body to pour in down a chimney.When draught unit and ventilation fan were used, the air draft effect can greatly improve.
Description of drawings:
Fig. 1 is structural representation of the present invention,
Fig. 2 is the structural representation of elf-exhaustor described in the present invention,
Fig. 3 is the structural representation of interlude the 3rd floor of the present invention,
Fig. 4 is the structural representation of the first floor of the present invention and top layer,
Fig. 5-a, 5-b, 5-c are the various embodiment of interlude of the present invention (except that the 3rd floor),
Fig. 6 is the structural representation of the auxiliary exhast duct of voltage stabilizing of the present invention,
Fig. 7, the structural representation of the present invention when ventilation fan is installed.
Among the figure, 1 exhast duct, 2 main exhast ducts, 3 auxiliary exhast ducts, the 4 exhast duct first floors, 5 exhast duct interludes, 6 exhast duct top layers, 7 air outlets, 8 elf-exhaustors, 9 elf-exhaustor housings, 10 air guide holes, 11 oil guide pipes, 12 oil storage boxes, 13 baffle plates, 14 supporting plates, 15 blast pipes, 16 draught units, 17 draught unit main bodys, 18 draught unit exhaust ducts, 19 draught unit exhaust buckets, 20 draught unit top covers, 21 ventilation fans, 22 barrier plates, exhast duct is assisted in 23 voltage stabilizings.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further described;
With reference to Fig. 1,2, exhast duct 1 comprises main exhast duct 2 and a plurality of auxiliary exhast duct 3, main exhast duct 2 is cylindrical body of a cavity, vertically extending through top layer from the residential building bottom is divided into and is the first floor 4, interlude 5,6 three parts of top layer, in the exhast duct 1 of every floor, be equipped with one or more auxiliary exhast ducts 3, air outlet 7 places are provided with elf-exhaustor 8 in auxiliary exhast duct 3, are that the roof layer goes out the roofing place draught unit 16 is set in top layer 6 upper ends.
Because elf-exhaustor 8 is communicated with the flue gas mouth of each household, oil smoke gas flows in the elf-exhaustor housing 9 via elf-exhaustor blast pipe 15, and enters auxiliary exhast duct 3 from elf-exhaustor air guide hole 10.Grease in the oil smoke gas can flow into oil storage box 12 by oil guide pipe 11 and store simultaneously.Oil smoke gas rises last by draught unit exhaust duct 18 and exhaust bucket 19 discharges through main exhast duct 2 and auxiliary exhast duct 3 from bottom to architectural top.
As shown in Figure 3, the present invention has two auxiliary exhast ducts 3 of each interval 10～2000mm in the 3rd storey setting, and main exhast duct 2 is that the 2nd, 3 floor intersections are installed on barrier plate 22 at the bottom of the 3rd floor, to slow down the pressure of high-rise oil smoke gas of discharging to forming down.On the other hand, because main exhast duct is intercepted, the oil smoke gas of the first floor and the 2nd floor can only be discharged from the less auxiliary exhast duct of bore, thereby produces bigger upwards impact force, therefore, the oil smoke of this two floor also can be discharged rapidly under the situation that can't obtain lower floor's air pressure.
Among Fig. 4, the present invention only is provided with an auxiliary exhast duct 3 respectively at the first floor and top layer, and auxiliary exhast duct 3 is 10～2600mm apart from the bottom surface of place layer, and leads to the end face of place layer.
Among Fig. 5-a, in arbitrary floor of interlude of the present invention (except that the 3rd floor), can two auxiliary exhast ducts 3 that be spaced apart 10～2000mm be set in the top and the bottom of this layer.
Among Fig. 5-b, in the floor of interlude of the present invention (except that the 3rd floor), an auxiliary exhast duct 3 can be set at the top of this layer, and at a distance of 10～2000mm another auxiliary exhast duct 3 be set, this auxiliary exhast duct 3 is spaced apart 10～1000mm with this layer bottom surface.
Among Fig. 5-c, in the floor of interlude of the present invention (except that the 3rd floor), an auxiliary exhast duct 3 can respectively be set in top, middle part and the bottom of this layer, each auxiliary exhast duct 3 is at a distance of 10～1000mm.
The cross section of auxiliary exhast duct 3 of the present invention can be square, arc or its combination.
Among Fig. 6,, can in exhast duct interlude 5 arbitrary floors, between two auxiliary exhast ducts 3 the auxiliary exhast duct 23 of voltage stabilizing be set when needs lower floor during to the upper strata supercharging.The auxiliary exhast duct 23 of voltage stabilizing is overlapped on exhast duct 1 wall, and its shape can be according to each layer air pressure change and different.
Among Fig. 7, the different shape that the main body 17 of draught unit of the present invention can be designed to square, cuboid, cylinder, prism or wherein be arbitrarily made with according to actual conditions.If with the cuboid is example, can on the centre of four sides of main body 17, respectively open and be communicated with a rectangular-shaped hollow exhaust duct 18 flatly, exhaust duct 18 is 45 degree angles with main body 17 lateral surfaces.The end of each exhaust duct 18 is communicated with rectangular-shaped hollow exhaust bucket 19, and the outside of exhaust bucket 19 is than inboard long 0.2 meter, and its end is flapped toward main body 17, can prevent effectively that like this oil smoke from pouring in down a chimney.Exhaust bucket 19 is 90 degree angles with exhaust duct 18.The top cover 20 of pyramid shape is set above the main body 17.
The exhaust duct 18 of draught unit of the present invention and exhaust bucket 19 can also be square, cylinder, prism or the shape that wherein is arbitrarily made with.The different shape that top cover 20 can also be made square, cuboid, cylinder, cone shape or wherein be arbitrarily made with.
When draught unit of the present invention and ventilation fan were used, the air draft effect can greatly improve.The centre of top cover 20 can hollow out, and ventilation fan 21 is connected on the top cover 20, perhaps forms hollow protrusions in the centre of top cover 20, and ventilation fan 21 is socketed in the prominence.
Claims (10)
1. The Row-Type Anti-String Anti-Intrusion Exhaust Smoke Pipeline, have and vertically extend through top layer from the residential building bottom and be divided into to the first floor (4), interlude (5), (6) three parts of top layer, be the main exhast duct (2) of cavity cylindrical body, it is characterized in that: in the exhast duct (1) of every floor, auxiliary exhast duct (3) is set, air outlet (7) at auxiliary exhast duct (3) locates to be provided with elf-exhaustor (8), in top layer (6) upper end draught unit (16) is set.
2. exhast duct according to claim 1, it is characterized in that: the first floor (4) and top layer (6) in described exhast duct (1) only are provided with an auxiliary exhast duct (3) respectively, and the auxiliary exhast duct (3) that leads to place layer end face is 10～2600mm apart from the bottom surface of place layer.
3. exhast duct according to claim 1 and 2 is characterized in that: in described exhast duct (1) the 3rd storey setting two auxiliary exhast ducts (3) of each interval 10～2000mm are arranged, described main exhast duct (2) is provided with barrier plate (22) in the 3rd floor bottom surface.
4. exhast duct according to claim 3, it is characterized in that: in the arbitrary floor except that the 3rd floor of the interlude (5) of described exhast duct (1), can two auxiliary exhast ducts (3) that be spaced apart 10～2000mm be set in the end face and the bottom surface of this layer; Also an auxiliary exhast duct (3) can be set at the top of this layer, and distance 10～2000mm is provided with another auxiliary exhast duct (3), this auxiliary exhast duct (3) and this layer basal spacing 10～1000mm; Also an auxiliary exhast duct (3), two auxiliary exhast ducts (3) spacing 10～1000mm can respectively be set in top, middle part and the bottom of this layer.
5. exhast duct according to claim 4 is characterized in that: the auxiliary exhast duct (23) of voltage stabilizing can be set between two auxiliary exhast ducts (3) at top and middle part in arbitrary floor of the interlude (5) of described exhast duct (1).
6. Smoke-proof And Fume-proof Exhausting Duct Self-exhaustor, it is characterized in that: the blast pipe (15) of elf-exhaustor (8) inserts in the elf-exhaustor housing (9), elf-exhaustor housing (9) upper end is air guide hole (10), the lower end is connected with oil guide pipe (11), oil storage box (12) one ends are connected on the supporting plate (14), and be connected with oil guide pipe (11), baffle plate (13) is fixed on the supporting plate (14) in oil storage box (12) below, and supporting plate (14) is overlapped on exhast duct (1) outer wall.
7. air duct with smoke control draught unit, it is characterized in that: draught unit main body (17) is hollow body, install exhaust duct (18) in its circumferential lateral surface centre upper shed, exhaust duct (18) connects exhaust bucket (19), and top cover (20) is set above the main body (17).
8. exhast duct draught unit according to claim 7 is characterized in that: the end of exhaust bucket (19) is flapped toward main body (17) and is 0～130 degree angle with exhaust duct (18).
9. according to claim 7 or 8 described exhast duct draught units, it is characterized in that: main body (17) can be square, cuboid, cylinder, prism or the shape that wherein is arbitrarily made with; Exhaust duct (18) and exhaust bucket (19) are ducted body and can are square, cuboid, cylinder, prism or the shape that wherein is arbitrarily made with; The different shape that top cover (20) can be made square, cuboid, cylinder, pyramid, cone shape or wherein be arbitrarily made with.
10. according to claim 7 or 8 described exhast duct draught units, it is characterized in that: with ventilation fan (21) when being used, the centre of described draught unit top cover (20) is hollow or hollow protrusions is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510071846 CN1763336A (en) | 2004-10-19 | 2005-05-25 | Self-discharging air duct with smoke control |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200410083814.2 | 2004-10-19 | ||
| CN200410083814 | 2004-10-19 | ||
| CN 200510071846 CN1763336A (en) | 2004-10-19 | 2005-05-25 | Self-discharging air duct with smoke control |
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| Publication Number | Publication Date |
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| CN1763336A true CN1763336A (en) | 2006-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510071846 Pending CN1763336A (en) | 2004-10-19 | 2005-05-25 | Self-discharging air duct with smoke control |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322132A (en) * | 2011-07-18 | 2012-01-18 | 莱芜钢铁集团金鼎实业有限公司 | Exhaust duct and the exhaust system that adopts this exhaust duct |
| CN105507560A (en) * | 2015-12-01 | 2016-04-20 | 中衡设计集团股份有限公司 | Open space firefighting and smoke exhaust structure of high-rise office building with curtain walls |
| CN108317565A (en) * | 2018-01-19 | 2018-07-24 | 李保德 | House entirety smokejack with fire prevention and automatic cleaning function |
| CN109881867A (en) * | 2019-03-01 | 2019-06-14 | 赵蔚威 | A kind of device for removing foul smell in engineering ditch downstairs |
-
2005
- 2005-05-25 CN CN 200510071846 patent/CN1763336A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322132A (en) * | 2011-07-18 | 2012-01-18 | 莱芜钢铁集团金鼎实业有限公司 | Exhaust duct and the exhaust system that adopts this exhaust duct |
| CN105507560A (en) * | 2015-12-01 | 2016-04-20 | 中衡设计集团股份有限公司 | Open space firefighting and smoke exhaust structure of high-rise office building with curtain walls |
| CN108317565A (en) * | 2018-01-19 | 2018-07-24 | 李保德 | House entirety smokejack with fire prevention and automatic cleaning function |
| CN109881867A (en) * | 2019-03-01 | 2019-06-14 | 赵蔚威 | A kind of device for removing foul smell in engineering ditch downstairs |
| CN109881867B (en) * | 2019-03-01 | 2020-09-18 | 赵蔚威 | Clear away interior foul smell's of downstairs engineering ditch device |
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