CN201811387U - Upper exhaust system for rail-mounted area in subway station - Google Patents
Upper exhaust system for rail-mounted area in subway station Download PDFInfo
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- CN201811387U CN201811387U CN2010201386571U CN201020138657U CN201811387U CN 201811387 U CN201811387 U CN 201811387U CN 2010201386571 U CN2010201386571 U CN 2010201386571U CN 201020138657 U CN201020138657 U CN 201020138657U CN 201811387 U CN201811387 U CN 201811387U
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Abstract
The utility model relates to an upper exhaust system for a rail-mounted area in a subway station, consisting of an upper exhaust fan, upper exhaust pipeline and an exhaust outlet. The lower bottom surface of the upper exhaust pipeline is provided with a plurality of groups of exhaust frame holes with an air inlet, an air outlet and a five-ladder n-shaped guiding exhaust assembly with an R-shaped bending surface, wherein the air outlet faces to one side of the upper exhaust fan; the cross section of the upper exhaust pipeline is set to be in the segmenting type that the cross section of the air outlet is reduced gradually as one n-shaped guiding exhaust assembly is eliminated along with the exhaust frame hole; the n-shaped guiding exhaust assembly plays the role of guiding the entered air flow to flow axially automatically, so that the interference on the original axial air flow in the upper exhaust pipeline is avoided, and the stability of the axial air flow in the pipeline can be ensured, the consistence of the supply air rate of each exhaust outlet is guaranteed, the aims of uniform air exhaust and heat dissipation can be realized, the condition that the exhaust air rate of each exhaust outlet is not uniform in the prior art is overcome, and the upper exhaust system is beneficial to improving the air environmental quality of the rail-mounted area and a platform in the subway station, and has extremely strong practicability.
Description
Technical field
This novel practical relates to a kind of building ventilation air exhausting device, and the capable district of the subway station rail of the even air-exhausting function of particularly a kind of tool is with evenly going up exhaust system.
Background technology
In the subway train running, train wheel and interorbital continuous friction can produce heat, can produce heat during train air-conditioning condenser work, platform or compartment one skilled in the art breathe also can produce heat, the air that causes the capable district of rail, subway station not only muddiness and temperature raises, generally by having to efflux with hot turbid air and the ventilation equipment of sending into extraneous fresh air function and solve as shown in Figure 1 is set.At present in the ventilation equipment in the capable district of subway station rail, be convenient to send into the air inlet system of fresh air except that being provided with, also be provided with the side exhaust system of being convenient to take away train lower wheel and the interorbital friction heat that produces and be convenient to take away the stream of people and train air-conditioning condenser stand distinguish in the heat that produces on exhaust system.Because train marshalling list generally all is made up of number joint compartments, the station is long, so set side exhaust duct is also relative with last exhaust duct longer, and the side and the tip position in compartment is corresponding during with the train bus stop.At present exhaust system is as shown in Figure 2 on the subway station of usefulness, main by last exhaust blower, communicate with last exhaust blower gas circuit, toply be provided with some air draft frames hole as required, be arranged on the last exhaust duct at rail Hang Qu top, and air draft frame hole on position and quantity and shape and the last exhaust duct is set be provided with that position and quantity correspondingly with shape conform to, the spacing exhaust outlet composition that is fixedly installed on the ceiling of subway train top.Because the used sectional area of going up exhaust duct is fixed, exhaust outlet is the frame cellular type, mainly rely on the air-flow static pressure work in the exhaust duct during work, elder generation is produced dynamic pressure, is entered in the exhaust duct with the form perpendicular to last exhaust duct axis direction air-flow by the air that the static pressure in the last exhaust duct orders about the exhaust outlet outside, must consume the static pressure from air-flow in the air-flow dynamic pressure of a last exhaust outlet and the exhaust duct afterwards, just can make described air flow redirection perpendicular to the exhaust duct axis direction is the air-flow that is parallel to the exhaust duct axis direction.So, change into perpendicular to the air-flow of exhaust duct axis direction along the static air pressure that needs in the process of exhaust duct axis direction air-flow in the secondary consumption exhaust duct in this part that will enter by exhaust outlet, and because the sectional area of exhaust duct is constant substantially, so cause the air-flow static pressure in the exhaust duct to reduce gradually, simultaneously because along producing interference to the air-flow that is parallel to the exhaust duct axis direction perpendicular to the axis direction airflow flowing, make wind speed maximum near the exhaust outlet of last exhaust blower end, intake is also maximum, by the wind speed minimizing gradually successively of back exhaust outlet, even it is calm.Thereby, the drawback of exist the intake of each exhaust outlet inconsistent generally, the air draft effect is inhomogeneous and the heat extraction effect is relatively poor, both can cause causing in the railway car and the air themperature skewness in the district of whole station, influence the refrigeration of train air-conditioning unit, thereby the air environment-friendly quality in influence station district and passenger and staff worker's comfort and healthy, so consider still to owe desirable from economy and point of view of practicability.
Summary of the invention
The purpose of this utility model is will provide a kind of and static pressure in the exhaust duct can be become dynamic pressure, help improving air draft, thermal discharge efficiency, can guarantee that again each exhaust outlet has the capable district of the subway station rail that is equal to air draft, heat extraction effect with evenly going up exhaust system.
Rail capable district in subway station of the present utility model is with evenly going up the exhaust system main body by last exhaust blower, communicate with last exhaust blower gas circuit, be arranged on subway platform rail Hang Qu top, be arranged at intervals with array on the bottom surface and constitute one group last exhaust duct by five air draft frame holes that press close to be provided with, and with last exhaust duct on air draft frame hole the position is set, quantity conforms to the shape correspondence, the spacing exhaust outlet that is fixedly installed on the ceiling of subway train top is formed, and is characterised in that: additional being provided with by five respectively by air inlet on the place, aperture in described air draft frame hole inner surface, the five terraced ∏ type guiding air draft assemblies that the ∏ type guiding air draft part that air outlet and R shape bending side constitute is formed; For maximum, the back is and dwindles the branch nodular step by step by every cross-sectional area that reduces by or several ∏ types guiding air draft part air outlets through an air draft frame hole or every total cross-sectional area of air outlet that reduces by one group of five terraced ∏ type guiding air draft part through one group five air draft frame holes the described cross-sectional area of going up exhaust duct by the place, one group of air draft frame hole of last exhaust blower one end; The mutual bag that five R shape bending sides that comprise in the described five terraced ∏ types guiding air draft assemblies are serial expanded is stepped, the sectional area of air inlet and air outlet is identical separately, by direct welding, screw assembling or inlay the aperture, air draft frame hole that is arranged on exhaust duct and locate on the inner surface; The air outlet of described ∏ type guiding air draft part is towards last exhaust blower one side.
The capable district of the utility model subway station rail based on above-mentioned design uses evenly upward exhaust system, because additional being provided with has the five terraced ∏ types guiding air draft parts that air-guiding enters the automatic changed course function in back on the aperture, every group of air draft frame hole of last exhaust duct inboard, and air outlet is towards last exhaust blower one side, so can guarantee air stream in exhaust outlet flow into to be gone up exhaust duct under the effect of five terraced ∏ types guiding air draft parts directly changed course flow for flow air vertically, avoided in the prior art the existing air-flow perpendicular to axial direction that needs the static pressure in the exhaust duct in the secondary consumption and form earlier to the interference of axial flow in the last exhaust duct with to last one or last one group of interference that exhaust outlet enters the air-flow in the exhaust duct; Simultaneously, because will go up the every ratio through one the five total cross-sectional area of terraced ∏ type guiding air draft part air outlet of an exhaust outlet minimizing of the cross-sectional area of exhaust duct dwindles step by step, the sectional area of exhaust duct is constantly increased along air-flow direction, the wind speed on helping when last exhaust blower is worked, guaranteeing in the exhaust duct and the stability of static air pressure, thereby guarantee the uniformity of each exhaust outlet intake, realize even air draft purpose, can effectively overcome the inhomogeneous and relatively poor drawback of heat extraction effect of each exhaust outlet air draft in the prior art, help improving the quality of air environment in capable district of subway station rail and the platform, and owing to just on the basis of original system, add five terraced ∏ type guiding air draft parts, have workable and the good characteristics of technique effect, thereby have very strong practicality and valuable market application foreground.
Description of drawings
Fig. 1 is the ventilation equipment schematic layout pattern in the capable district of rail, subway station;
Fig. 2 is the last exhaust outlet distribution schematic diagram at subway train top;
Fig. 3 goes up exhaust duct and guiding air draft part structural representation among the utility model embodiment.
Among the figure:
1. exhaust blower on the exhaust system 4. on the air inlet system 2. side exhaust systems 3.
5. exhaust duct 8. train tops on the 6. air draft frame holes 7., the capable district of rail
9. exhaust outlet 10. bottom surfaces 11. air inlets 12. air outlets
13.R shape bending side 14. 5 terraced ∏ type guiding air draft assembly 15. ∏ types guiding air draft parts
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and exemplary embodiments.
In Fig. 1 and Fig. 2, at present in the ventilation equipment in the capable district of subway station rail, be convenient to send into the air inlet system 1 of fresh air except that being provided with, also be provided with the side exhaust system 2 of being convenient to take away train lower wheel and the interorbital friction heat that produces and be convenient to take away the stream of people and train top air-conditioning condenser stand distinguish in the heat that produces on exhaust system 3.Described go up exhaust system 3 mainly by last exhaust blower 4, with last exhaust blower 4 gas circuits communicate, be arranged on the last exhaust duct 7 that is provided with some air draft frames hole 6 on 5 tops, the capable district of rail, the sidewall as required reaches and last exhaust duct 7 on corresponding, the spacing exhaust outlet 9 that is fixedly installed on the subway train top 8 in position and quantity and shape that is provided with in air draft frame hole 6 form.
In Fig. 3, the capable district of described the utility model subway station rail with exhaust system main body on evenly by on exhaust blower 4, communicate with last exhaust blower 4 gas circuits, be arranged on 5 tops, the capable district of rail, ground, be arranged at intervals with array on the bottom surface 10 and be one group last exhaust duct 7 by five air draft frame holes 6 that press close to be provided with, and with last exhaust duct 7 on air draft frame hole 6 the position is set, quantity conforms to the shape correspondence, the spacing exhaust outlet 9 that is fixedly installed on 8 ceilings of subway train top is formed, and is characterised in that: additionally on place, the aperture inner surface in the air draft frame hole 6 that is provided with in groups on the bottom surface 10 of exhaust duct 7 on described be provided with five respectively by air inlet 11, the five terraced ∏ type guiding air draft assemblies 14 that air outlet 12 and R shape bending side 13 constitute; The mutual bag that five R shape bending sides 13 that comprise in the described five terraced ∏ type guiding air draft assemblies 14 are serial expanded is stepped, the sectional area of air inlet 11 and air outlet 12 is identical separately, by the assembling of direct welding, screw or inlay 6 apertures, air draft frame hole that are arranged on exhaust duct 7 and locate on the inner surface; The air outlet 12 of described ∏ type guiding air draft part 15 is towards last exhaust blower 4 one sides; The described cross-sectional area of going up exhaust duct 7 be maximum by 6 places, an air draft frame hole of last exhaust blower 4 ends, the back be by every through an air draft frame hole 6 reduce one or several ∏ types guide air draft parts 15 air outlet 12 cross-sectional areas dwindle the branch nodular step by step.
Claims (3)
1. the capable district of subway station rail is with evenly going up exhaust system, main body by last exhaust blower (4), to communicate, be arranged on top, the capable district of rail, ground (5) with last exhaust blower (4) gas circuit, be arranged at intervals with array on the bottom surface (10) be respectively one group last exhaust duct (7) by five air draft frame holes of pressing close to be provided with (6), and with last exhaust duct (7) on air draft frame hole (6) be provided with that position, quantity and shape correspondingly conform to, the spacing exhaust outlet (9) that is fixedly installed on the ceiling of subway train top (8) is formed, it is characterized in that:
A. the additional five terraced ∏ types of being made up of five ∏ type guiding air draft parts (15) that are made of air inlet (11), air outlet (12) and R shape bending side (13) respectively that are provided with are guided air draft assemblies (14) on the place, aperture in described air draft frame hole (6) inner surface;
B. it is stepped that five the R shape bending sides (13) that comprise in the described five terraced ∏ types guiding air draft assemblies (14) are the mutual bag of serial expanded, and air inlet (11) is identical separately with the sectional area of air outlet (12);
C. the described cross-sectional area of going up exhaust duct (7) locates to be maximum by an air draft frame hole (6) of last exhaust blower (4) end, the back is air outlet (12) cross-sectional area that reduces by or several ∏ types guiding air draft parts (15) through an air draft frame hole (6) by every, or every total cross-sectional area of air outlet (12) that reduces one group of five terraced ∏ type guiding air draft assembly (14) through one group five air draft frame holes (6) dwindle the branch nodular step by step.
2. rail capable district in subway station according to claim 1 is with evenly going up exhaust system, it is characterized in that described five terraced ∏ types guiding air draft assemblies (14) are by direct welding, screw assembling or inlay the aperture, air draft frame hole (6) that is arranged on exhaust duct (7) and locate on the inner surface.
3. rail capable district in subway station according to claim 1 is with evenly going up exhaust system, and the air outlet (12) that it is characterized in that described ∏ type guiding air draft part (15) is towards last exhaust blower (4) one sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201386571U CN201811387U (en) | 2010-03-23 | 2010-03-23 | Upper exhaust system for rail-mounted area in subway station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201386571U CN201811387U (en) | 2010-03-23 | 2010-03-23 | Upper exhaust system for rail-mounted area in subway station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201811387U true CN201811387U (en) | 2011-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201386571U Expired - Fee Related CN201811387U (en) | 2010-03-23 | 2010-03-23 | Upper exhaust system for rail-mounted area in subway station |
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| CN (1) | CN201811387U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512141A (en) * | 2013-10-26 | 2014-01-15 | 河南同济恒爱暖通消防有限公司 | Uniform-section air duct exhaust air uniform distribution system suitable for subway rail line area |
| CN103982973A (en) * | 2014-06-04 | 2014-08-13 | 河南同济恒爱暖通消防有限公司 | Ventilating duct system distributed according to air volume and design method |
| CN106338137A (en) * | 2015-07-09 | 2017-01-18 | 南京亿谱环境服务有限公司 | Air improvement device |
| CN107702255A (en) * | 2017-11-02 | 2018-02-16 | 中国安全生产科学研究院 | A kind of large area uniformly descends air draft workbench |
| CN111577659A (en) * | 2020-06-16 | 2020-08-25 | 上海高鹰科技有限公司 | Double-fan exhaust system of irradiation chamber of irradiation electron accelerator |
| CN113974187A (en) * | 2021-12-15 | 2022-01-28 | 河南世纪香食用菌开发有限公司 | Flow equalizing drying system for edible mushroom processing |
-
2010
- 2010-03-23 CN CN2010201386571U patent/CN201811387U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512141A (en) * | 2013-10-26 | 2014-01-15 | 河南同济恒爱暖通消防有限公司 | Uniform-section air duct exhaust air uniform distribution system suitable for subway rail line area |
| CN103982973A (en) * | 2014-06-04 | 2014-08-13 | 河南同济恒爱暖通消防有限公司 | Ventilating duct system distributed according to air volume and design method |
| CN106338137A (en) * | 2015-07-09 | 2017-01-18 | 南京亿谱环境服务有限公司 | Air improvement device |
| CN107702255A (en) * | 2017-11-02 | 2018-02-16 | 中国安全生产科学研究院 | A kind of large area uniformly descends air draft workbench |
| CN107702255B (en) * | 2017-11-02 | 2023-12-22 | 中国安全生产科学研究院 | Large-area uniform downward exhaust workbench |
| CN111577659A (en) * | 2020-06-16 | 2020-08-25 | 上海高鹰科技有限公司 | Double-fan exhaust system of irradiation chamber of irradiation electron accelerator |
| CN113974187A (en) * | 2021-12-15 | 2022-01-28 | 河南世纪香食用菌开发有限公司 | Flow equalizing drying system for edible mushroom processing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20170323 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |