CN206236364U - A kind of fire test device for subway elevated station and underground station transferring passage - Google Patents
A kind of fire test device for subway elevated station and underground station transferring passage Download PDFInfo
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- CN206236364U CN206236364U CN201621040023.6U CN201621040023U CN206236364U CN 206236364 U CN206236364 U CN 206236364U CN 201621040023 U CN201621040023 U CN 201621040023U CN 206236364 U CN206236364 U CN 206236364U
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Abstract
The utility model is related to fire test technical field, more particularly to a kind of for subway elevated station and the fire test device of underground station transferring passage.The fire test device includes first level passage, first building staircase ramp way, the second horizontal channel, second building staircase ramp way and the 3rd horizontal channel, at least one set top fume extractor is respectively equipped with wherein described first level passage, the ceiling of first building staircase ramp way, the second horizontal channel, second building staircase ramp way and the 3rd horizontal channel, top fume extractor described in every group includes ventilation shaft, multiple exhaust openings and smoke exhaust fan.The utility model can simulate the firing condition at horizontal channel and building ladder way, discharged fume by top fume extractor, obtain flue gas Diffusion Law, make flue gas Controlling model under different purging modes, it is that emergency evacuation creates safe path so as to induce flue gas to flow and discharge in time in passage.
Description
Technical field
The utility model is related to fire test technical field, more particularly to a kind of subway elevated station that is used for is changed to underground station
The fire test device of passage.
Background technology
For the Fire Smoke Control containing building staircase structure, major part research concentrates on multiple stair connections in residential building
In the case of flow of flue gas and stack effect analyze；For gallery is inclined, existing research establishes gravity-flow ventilation and longitudinal direction
Fire and smoke spread rate pattern, upwind and lower wind direction flue-gas temperature distributed model, highest ceiling temperature prediction under ventilation condition
Model etc..These technological achievement certain applications are in high residential building Fire Smoke Control and evacuating personnel, and incline the anti-of tunnel
Smoke exhaust.
For subway elevated station and underground station transferring passage, prior art is former as the design of long and narrow space using tunnel
Type, its gradient is much smaller than 30 °, therefore for the research of long and narrow space is inclined, lacks the research conclusion in the case of heavy grade.
In existing inclination long and narrow space Fire Smoke Control research, only has acclive structure as research using a certain section
Object, and because the discrepancy in elevation is larger between subway elevated station and underground station, at least provided with two building ladder ways, and between be spaced
Certain distance, therefore existing research lacks the Fire Smoke Control technology under multiple building ladder way connection in the same direction.
Due to the limitation of the conditions such as geology or surface structures, subway elevated station is with underground station transferring passage generally by some levels
Passage and at least two buildings ladder way compositions, and the distance of horizontal transferring passage is more long, existing research lacks multiple inclination buildings
Under ladder way and horizontal channel connection, burning things which may cause a fire disaster is placed in smoke controlling technology during diverse location.
Utility model content
(1) technical problem to be solved
The purpose of this utility model is to provide a kind of fire test for subway elevated station and underground station transferring passage and fills
Put, solve under multiple building ladder ways and horizontal long-channel connection, cigarette when burning things which may cause a fire disaster is placed in horizontal channel and building ladder way
Gas is difficult to be induced flowed in finite region and excluded in time, so as to seriously threaten the problem of safety evacuation.
(2) technical scheme
In order to solve the above-mentioned technical problem, the utility model provides a kind of logical with the transfer of underground station for subway elevated station
The fire test device in road, including first level passage, first building staircase ramp way, the second water being from left to right sequentially connected
Flat passage, second building staircase ramp way and the 3rd horizontal channel, wherein described first level passage, first building staircase incline
At least one is respectively equipped with the ceiling of access ramp, the second horizontal channel, second building staircase ramp way and the 3rd horizontal channel
Group top fume extractor, top fume extractor includes ventilation shaft, is arranged on the multiple of the ventilation shaft bottom described in every group
Exhaust opening and it is arranged on the smoke exhaust fan of described ventilation shaft one end.
Further, the first level passage is set on the ground, and first building staircase ramp way passes through first
Support support is set, and second horizontal channel is supported by second support and set, and second building staircase ramp way passes through
The support of 3rd support is set, and the 3rd horizontal channel is supported by the 4th support and set.
Further, each described exhaust opening is provided with adjustable air-valve.
Further, top fume extractor includes the exhaust opening that two rows be arranged in parallel described in every group, and often arranges the smoke evacuation
Mouth is evenly arranged.
Further, the ventilation shaft includes that main ventilation pipeline and the pair being arranged on above the main ventilation pipeline are led to
Wind pipeline, wherein the main ventilation pipeline be arranged in parallel with the secondary ventilation shaft, and the main ventilation pipeline is secondary logical with described
Connected by curve bend between wind pipeline, the smoke exhaust fan is arranged on the exit of the secondary ventilation shaft.
Specifically, length of the length of the main ventilation pipeline more than the secondary ventilation shaft.
Specifically, the gradient of first building staircase ramp way and second building staircase ramp way is 30 °.
Further, described for subway elevated station and the fire test device of underground station transferring passage, its feature exists
In：Also include burning things which may cause a fire disaster point, the burning things which may cause a fire disaster point be arranged on first level passage, first building staircase ramp way, the second horizontal channel,
In second building staircase ramp way or the 3rd horizontal channel.
(3) beneficial effect
Above-mentioned technical proposal of the present utility model has the following advantages that：
Fire test device for subway elevated station and underground station transferring passage described in the utility model, for subway
Elevated station with the characteristics of the underground station discrepancy in elevation is big, transfer distance is long, in multiple building staircase ramp ways and horizontal channel connection
Under, the firing condition in horizontal channel and building staircase ramp way is simulated, and discharged fume by top fume extractor, so that
Flue gas Diffusion Law is obtained, the flue gas Controlling model under different purging modes is made, and then induce flue gas to be flowed in passage
And discharge in time, it is that emergency evacuation creates safe path.
Brief description of the drawings
Fig. 1 is the fire test device that the utility model embodiment one is used for subway elevated station and underground station transferring passage
Structural representation；
Fig. 2 is the fire test device that the utility model embodiment one is used for subway elevated station and underground station transferring passage
Top view.
In figure：1：First level passage；2：First building staircase ramp way；3：Second horizontal channel；4：Second building staircase
Ramp way；5：3rd horizontal channel；6：Ventilation shaft；7：Exhaust opening；8：Smoke exhaust fan；9：First support；10：Second
Frame；11：3rd support；12：4th support.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, is clearly and completely described, it is clear that retouched to the technical scheme in the utility model embodiment
The embodiment stated is a part of embodiment of the present utility model, rather than whole embodiments.Based on the reality in the utility model
Apply example, the every other embodiment that those of ordinary skill in the art are obtained on the premise of creative work is not made, all
Belong to the scope of the utility model protection.
As shown in Figure 1-2, the utility model embodiment provides a kind of for subway elevated station and underground station transferring passage
Fire test device, according to《Metro design code》In size, slope requirement to building ladder way, the subway of foundation is overhead
Stand and the 1 of underground station transferring passage:The experimental model of 5 sizes.The fire test device includes from left to right be sequentially connected the
The one staircase ramp way 2 of 1, first building, horizontal channel, the level of staircase ramp way 4 and the 3rd of 3, second building, the second horizontal channel
Passage 5, wherein described 1, first building staircase ramp way 2 of first level passage, the staircase of 3, second building, the second horizontal channel incline
At least one set top fume extractor, top smoke evacuation described in every group are respectively equipped with the ceiling of the horizontal channel 5 of access ramp 4 and the 3rd
Device includes ventilation shaft 6, is arranged on multiple exhaust openings 7 of the bottom of the ventilation shaft 6 and is arranged on the ventilation shaft 6
The smoke exhaust fan 8 of one end.
Furthermore, it is understood that the first level passage 1 is set on the ground, first building staircase ramp way 2 passes through
The support of first support 9 is set, and second horizontal channel 3 is supported by second support 10 and set, and second building staircase is inclined
Passage 4 is supported by the 3rd support 11 and set, and the 3rd horizontal channel 5 is supported by the 4th support 12 and set.
Specifically, adjustable air-valve is respectively equipped with each described exhaust opening 7, realizes opening the mobility of exhaust opening
Close, the ventilation smoke exhaust measure under different fire scenarios is studied with this.
Specifically, top fume extractor includes the exhaust opening 7 that two rows be arranged in parallel described in every group, and often arranges the smoke evacuation
Mouth 7 is evenly arranged along passage bearing of trend.
Specifically, the ventilation shaft 6 includes main ventilation pipeline and the pair being arranged on above the main ventilation pipeline
Ventilation shaft, wherein the main ventilation pipeline be arranged in parallel with the secondary ventilation shaft, the length of the main ventilation pipeline is more than
Connected by curve bend between the length of the secondary ventilation shaft, and the main ventilation pipeline and the secondary ventilation shaft, institute
State the exit that smoke exhaust fan 8 is arranged on the secondary ventilation shaft.
Specifically, the gradient of first building staircase ramp way and second building staircase ramp way is 30 °.
Further, the fire test device described in the present embodiment also includes burning things which may cause a fire disaster point, and the burning things which may cause a fire disaster point is arranged on the
One horizontal channel, first building staircase ramp way, the second horizontal channel, second building staircase ramp way or the 3rd horizontal channel
In, for simulated fire occurrence scene.
The detailed process for carrying out test operation by fire test device described in the utility model is：
Fiery source location is chosen, the burning things which may cause a fire disaster point is arranged in Measurement channel, the Measurement channel is logical for first level
Road, first building staircase ramp way, the second horizontal channel, second building staircase ramp way or the 3rd horizontal channel；
Using methyl alcohol, gasoline or liquefied gas as fuel, be placed on for burning things which may cause a fire disaster as burning things which may cause a fire disaster by manufacture liquid pool fire or gas fire
On the fiery source location of selection, the simulation luggage that passenger carries in the Measurement channel is on fire or Measurement channel in other equipment rise
The fire scenario of fire；
According to the fuel and the fiery source location of selection that use, the quantity of exhaust opening and the wind of smoke exhaust fan are determined
Amount；
Flow of flue gas of the collection Measurement channel middle-range from the ground in 1/4H~1/2H altitude ranges and below exhaust opening is special
Property data, wherein H for Measurement channel internal height, the properties of fire smoke flow data include flue-gas temperature, CO concentration, CO2
Concentration and visibility.
In process of the test, along the longitudinally disposed at least five longitudinal directions fire source location of Measurement channel, burning things which may cause a fire disaster is put respectively
Put on each longitudinal direction fire source location, the properties of fire smoke flow data of each longitudinal direction fire source location of collection correspondence.
In process of the test, along the horizontal fire source location of the section horizontally set at least five of Measurement channel, by burning things which may cause a fire disaster point
It is not placed on each laterally fire source location, the properties of fire smoke flow data of each laterally fire source location of collection correspondence.
By above-mentioned process of the test, one group of properties of fire smoke flow number for different top purging modes can be obtained
According to, be analyzed by this group of data for obtaining, can evaluate under different top purging modes Measurement channel 1/4H~
The extent of injury of flue gas toxity and temperature to personnel in 1/2H altitude ranges.
By above-mentioned process of the test, can be surveyed according to the temperature below Measurement channel exhaust opening and poisonous gas concentration
Amount data result, with reference to the flue-gas temperature in flue gas layer and poisonous gas concentration, analyzes each smoke evacuation under different purging modes
The smoke exhaust efficiency of mouth, and judge whether it there occurs punch-through effect.
By above-mentioned process of the test, dimensionless treatment can be carried out to the properties of fire smoke flow data for obtaining, set up top
The Mathematical Modeling that portion's ventilation is controlled flue gas in 1/4H~1/2H altitude ranges, so as to propose optimal ventilation purging mode.
By above-mentioned process of the test, flue gas buoyancy and inertia force can be analyzed, set up exhaust opening lower section and occur
The dimensionless forecast model of punch-through effect, so that for the smoke effluent design of such channel design provides reference frame.
In sum, the fire test for subway elevated station and underground station transferring passage described in the utility model is filled
Put, it is long with level in multiple building ladder ways the characteristics of subway elevated station being directed to and the underground station discrepancy in elevation is big, transfer distance is long
Under passage connection, the firing condition at horizontal channel and building ladder way is simulated, and by setting top fume extractor
Discharged fume, induction flue gas flows and discharge in time in passage, be the path that emergency evacuation creates safety.This
Utility model is obtained in that flue gas Diffusion Law simultaneously, makes flue gas Controlling model under different purging modes, is such passage
The smoke effluent design of structure provides reference.
Finally it should be noted that：Above example is only used to illustrate the technical solution of the utility model, rather than its limitations；
Although being described in detail to the utility model with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from each embodiment technology of the utility model
The spirit and scope of scheme.
Claims (8)
1. a kind of fire test device for subway elevated station and underground station transferring passage, it is characterised in that：Including from a left side to
First level passage that the right side is sequentially connected, first building staircase ramp way, the second horizontal channel, second building staircase ramp way with
And the 3rd horizontal channel, wherein described first level passage, first building staircase ramp way, the second horizontal channel, second building
At least one set top fume extractor, top described in every group are respectively equipped with the ceiling of staircase ramp way and the 3rd horizontal channel
Fume extractor includes ventilation shaft, is arranged on multiple exhaust openings of the ventilation shaft bottom and is arranged on the ventilation shaft
The smoke exhaust fan of one end.
2. the fire test device for subway elevated station and underground station transferring passage according to claim 1, its feature
It is：The first level passage is set on the ground, and first building staircase ramp way is supported by first support and set,
Second horizontal channel is supported by second support and set, and second building staircase ramp way is supported by the 3rd support and set
Put, the 3rd horizontal channel is supported by the 4th support and set.
3. the fire test device for subway elevated station and underground station transferring passage according to claim 1, its feature
It is：Each described exhaust opening is provided with adjustable air-valve.
4. the fire test device for subway elevated station and underground station transferring passage according to claim 1, its feature
It is：Top fume extractor includes the exhaust opening that be arranged in parallel of two rows described in every group, and often arranges the exhaust opening and be evenly arranged.
5. the fire test device for subway elevated station and underground station transferring passage according to claim 1, its feature
It is：The ventilation shaft includes main ventilation pipeline and the secondary ventilation shaft being arranged on above the main ventilation pipeline, wherein
The main ventilation pipeline be arranged in parallel with the secondary ventilation shaft, and leads between the main ventilation pipeline and the secondary ventilation shaft
Curve bend connection is crossed, the smoke exhaust fan is arranged on the exit of the secondary ventilation shaft.
6. the fire test device for subway elevated station and underground station transferring passage according to claim 5, its feature
It is：Length of the length of the main ventilation pipeline more than the secondary ventilation shaft.
7. the fire test device for subway elevated station and underground station transferring passage according to claim 1, its feature
It is：The gradient of first building staircase ramp way and second building staircase ramp way is 30 °.
8. the fire test device for subway elevated station and underground station transferring passage according to claim 1, its feature
It is：Also include burning things which may cause a fire disaster point, the burning things which may cause a fire disaster point is arranged on first level passage, first building staircase ramp way, the second level and leads to
In road, second building staircase ramp way or the 3rd horizontal channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621040023.6U CN206236364U (en) | 2016-09-05 | 2016-09-05 | A kind of fire test device for subway elevated station and underground station transferring passage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621040023.6U CN206236364U (en) | 2016-09-05 | 2016-09-05 | A kind of fire test device for subway elevated station and underground station transferring passage |
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| CN206236364U true CN206236364U (en) | 2017-06-09 |
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| CN201621040023.6U Active CN206236364U (en) | 2016-09-05 | 2016-09-05 | A kind of fire test device for subway elevated station and underground station transferring passage |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128286A (en) * | 2016-09-05 | 2016-11-16 | 清华大学 | A kind of fire test device and method for subway elevated station Yu station, underground transferring passage |
| CN110728895A (en) * | 2019-10-17 | 2020-01-24 | 北京工业大学 | Experimental device for can be used to half horizontal research of discharging fume in tunnel and subway station |
| CN113405827A (en) * | 2021-06-18 | 2021-09-17 | 武汉科技大学 | Fire smoke discharge test device and measurement system for V-shaped tunnel |
-
2016
- 2016-09-05 CN CN201621040023.6U patent/CN206236364U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128286A (en) * | 2016-09-05 | 2016-11-16 | 清华大学 | A kind of fire test device and method for subway elevated station Yu station, underground transferring passage |
| CN110728895A (en) * | 2019-10-17 | 2020-01-24 | 北京工业大学 | Experimental device for can be used to half horizontal research of discharging fume in tunnel and subway station |
| CN113405827A (en) * | 2021-06-18 | 2021-09-17 | 武汉科技大学 | Fire smoke discharge test device and measurement system for V-shaped tunnel |
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