CN112253207A - Intensive subway ventilation and smoke exhaust system - Google Patents
Intensive subway ventilation and smoke exhaust system Download PDFInfo
- Publication number
- CN112253207A CN112253207A CN202011231528.1A CN202011231528A CN112253207A CN 112253207 A CN112253207 A CN 112253207A CN 202011231528 A CN202011231528 A CN 202011231528A CN 112253207 A CN112253207 A CN 112253207A
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- Prior art keywords
- ventilation
- subway
- smoke exhaust
- intensive
- air
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- 238000009423 ventilation Methods 0.000 title claims abstract description 88
- 239000000779 smoke Substances 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 claims abstract description 5
- 230000017525 heat dissipation Effects 0.000 claims description 12
- 238000005399 mechanical ventilation Methods 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000003203 everyday effect Effects 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 2
- 230000002441 reversible effect Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 239000003517 fume Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000004378 air conditioning Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000003584 silencer Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013486 operation strategy Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/003—Ventilation of traffic tunnels
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/04—Air ducts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/08—Ventilation arrangements in connection with air ducts, e.g. arrangements for mounting ventilators
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/14—Air partitions; Air locks
- E21F1/145—Air locks
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F3/00—Cooling or drying of air
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Ventilation (AREA)
Abstract
The invention relates to the technical field of ventilation and smoke exhaust of rail transit, in particular to an intensive subway ventilation and smoke exhaust system. The method is characterized in that: the ventilation and smoke exhaust systems of the subway are integrated into an integral subway ventilation and smoke exhaust system, two high-temperature resistant exhaust fans are arranged at two ends of a subway station, the exhaust amount is distributed to positions needing exhaust by utilizing ventilation pipelines, and a control valve is additionally arranged on each air pipe; when some areas of the subway need air exhaust volume, the subway BAS control system can control the air volume of the fan and the opening and closing of each control valve, and reasonably distributes the ventilation volume to the areas of the subway needing the ventilation volume; in short, the exhaust air volume of the fan is intensively utilized as efficiently as possible. The intensive subway ventilation and smoke exhaust system can reduce civil engineering and initial equipment investment during construction as much as possible and reduce later-stage operation and maintenance cost.
Description
Technical Field
The invention relates to the technical field of ventilation and smoke exhaust of rail transit, in particular to an intensive subway ventilation and smoke exhaust system.
Background
The subway environmental control system adopted in domestic construction at present generally adopts a shield door system environmental control system. Due to the partition of the shielding door, the subway ventilation and smoke exhaust system is divided into two relatively independent ventilation and smoke exhaust systems, namely a station air-conditioning ventilation system and a tunnel ventilation system: the station air-conditioning ventilation system is divided into a large system for air-conditioning ventilation system (combined with smoke exhaust system) in a station public area and a small system for air-conditioning ventilation system (combined with smoke exhaust system) of a room for station equipment management; the tunnel ventilation system is divided into a section tunnel piston wind and mechanical ventilation system (also used as a smoke exhaust system) which is called TVF system for short and a heat exhaust system in station range, outside a shielding door and under a station platform and a heat exhaust system at the top of a roadway which is called UPE/OTE system for short. At present, each ventilation and smoke exhaust system operates independently, and because each ventilation and smoke exhaust system of a subway does not need continuous ventilation requirements, the construction and operation and maintenance costs are greatly increased by the current subway engineering design.
Disclosure of Invention
The invention aims to provide an intensive subway ventilation and smoke exhaust system according to the defects of the prior art, and the intensive subway ventilation and smoke exhaust system is formed by integrating various ventilation and smoke exhaust systems of a subway into an integral subway ventilation and smoke exhaust system, so that the subway construction and operation and maintenance costs are greatly saved.
The technical scheme of the invention is as follows: an intensive subway ventilation and smoke exhaust system integrates each ventilation and smoke exhaust system of a subway into an integral subway ventilation and smoke exhaust system, two high-temperature resistant exhaust fans are arranged at two ends of a subway station, the exhaust amount is distributed to each position needing exhaust by using a ventilation pipeline, a control valve is additionally arranged on each air pipe, and the electric air valves can be controlled by a subway BAS control system to realize opening and closing; when some areas of the subway need air exhaust volume, the subway BAS control system can control the air volume of the fan and the opening and closing of each control valve, and reasonably distributes the ventilation volume to the areas of the subway needing the ventilation volume.
The method specifically comprises the following steps:
when a train stops, the rail top and rail bottom smoke exhaust port in a rail running area needs to be started to provide ventilation and heat dissipation, so that subway train traction and condenser heat dissipation are eliminated, the intensive subway ventilation and smoke exhaust system only provides air exhaust quantity for the rail top and rail bottom, and a platform and station hall public area and a station equipment management room stop ventilation and heat dissipation; when the train is in a non-stop state, the air outlet at the bottom of the rail top rail does not need to provide heat extraction, and at the moment, the intensive subway ventilation and smoke exhaust system only provides air exhaust volume for the public area of the platform station hall and the rooms for station equipment management, so that ventilation and heat dissipation of the public area of the platform station hall and the rooms for station equipment management are realized; in the normal condition, the mechanical ventilation system of the tunnel only needs to operate the fan 0.5h before the subway is operated every day and 0.5h after the operation is finished, and the fan is used for cleaning ventilation in the morning and at night, and at the moment, the intensive subway ventilation and smoke exhaust system only provides exhaust air volume for mechanical ventilation of the tunnel; when a fire disaster or a blocking working condition occurs in the subway, the intensive subway ventilation and smoke exhaust system only provides smoke exhaust amount for an accident area.
Furthermore, the ventilator is a high-temperature resistant fan and can be used as a smoke exhaust fan.
Further, the ventilator may be a reversible axial flow fan.
Further, the control valve can be electric air valves, and the electric air valves can be controlled by a subway BAS control system to realize opening and closing.
The invention has the beneficial effects that:
according to the intensive subway ventilation and smoke exhaust system disclosed by the embodiment of the invention, in a set station specification, by skillfully integrating various dispersed ventilation and smoke exhaust systems into an integral subway ventilation and smoke exhaust system through the method, the subway ventilation and smoke exhaust requirements are met, and meanwhile, civil engineering, equipment cost and later operation and maintenance cost during construction can be effectively saved.
Drawings
Fig. 1 is a schematic diagram of a subway ventilation and smoke exhaust system according to the first embodiment.
Fig. 2 is a schematic diagram of an operation strategy of a subway ventilation and smoke exhaust system according to the first embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The embodiment of the invention provides an intensive subway ventilation and smoke exhaust system, which integrates various ventilation and smoke exhaust systems of a subway into an integral subway ventilation and smoke exhaust system, only two exhaust fans are arranged at two ends of a subway station, the ventilation pipeline is utilized to distribute smoke exhaust quantity to various positions needing air exhaust, and when some areas of the subway need the air exhaust quantity, a subway BAS control system can control the air quantity of the fans and the opening and closing of various control valves, so that the ventilation quantity is reasonably distributed to the areas needing the ventilation quantity of the subway.
As shown in fig. 1, the station using the intensive subway ventilation and smoke exhaust system comprises two station ventilation and smoke exhaust subsystems correspondingly arranged at the left and right sides of the station,
the ventilation and smoke exhaust subsystem arranged on the left side of the station layer comprises a main air duct of an air shaft, a branch air duct, a silencer, a ventilator B1, an electric air valve A1, a C1, a D1, an E1, an F1, a G1 and an H1, wherein the ventilator selects the maximum air volume in several ventilation and smoke exhaust functions, namely the air volume of the original tunnel ventilator.
The ventilation and smoke exhaust subsystem arranged on the right side of the station comprises a main air duct of an air shaft, a branch air duct, a silencer, a ventilator B2, an electric air valve A2, a C2, a D2, an E2, an F2, a G2 and an H2, wherein the ventilator selects the maximum air yield in several ventilation and smoke exhaust functions, namely the air yield of the original tunnel ventilator.
The intensive subway ventilation and smoke exhaust system provided by the embodiment of the invention specifically comprises the following steps:
when the subway needs ventilation and smoke exhaust, the intensive subway ventilation and smoke exhaust system can open the fans B1 and B2 and the air valves A1 and A2.
If the train stops, the rail top and rail bottom smoke exhaust port in the rail running area needs to be started to provide ventilation and heat dissipation, so that the traction of the subway train and the heat dissipation of a condenser are eliminated, at the moment, the intensive subway ventilation and smoke exhaust system only provides air exhaust volume for the rail top and rail bottom, namely, the air valves H1 and H2 are opened, the ventilation and heat dissipation are stopped in a public area of a platform and a station hall and a room for station equipment management, and the ventilation is not needed in a tunnel, namely, the air valves C1, C2, G1 and G2 are closed;
if the subway is in a non-train stop state, the intensive subway ventilation and smoke exhaust system only provides air exhaust volume for the public area of the platform and station hall and the room for station equipment management, namely, opens the air valves C1 and C2, and simultaneously utilizes the air valves D1, D2, E1, E2, F1 and F2 to adjust different air exhaust volume requirements of the public area of the platform and station hall and the room for station equipment management, so that ventilation and heat dissipation of the public area of the platform and station hall and the room for station equipment management are realized, at the moment, the air outlets at the top and the bottom of the rail do not need to provide heat exhaust, and the tunnel does not need to be ventilated, namely, the air valves H1, H2, G1 and G2 are closed;
the tunnel mechanical ventilation system only needs to operate the fan 0.5H before subway operation and 0.5H after subway operation every day under normal conditions for cleaning ventilation in the morning and evening, and at the moment, the intensive subway ventilation and smoke exhaust system only provides air exhaust volume for tunnel mechanical ventilation, namely, the air valves G1 and G2 are opened, and the air valves C1, C2, H1 and H2 are closed;
when a fire disaster or a blocking working condition occurs in the subway, the intensive subway ventilation and smoke exhaust system only provides smoke exhaust amount for an accident area.
In summary, according to the subway platform smoke exhaust method based on area control in the embodiment of the present invention, by dividing the long and narrow platform space into a plurality of control areas capable of independently opening and exhausting smoke, the large-range diffusion and long-distance flow of smoke are avoided, smoke entrainment is reduced, the smoke volume is kept at a small volume, the problem of far-end smoke settlement is avoided, the smoke exhaust effect can be effectively improved, and the safety of personnel is guaranteed.
The invention is not the best known technology.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (4)
1. The utility model provides an intensive subway ventilation system of discharging fume which characterized in that: the ventilation and smoke exhaust systems of the subway are integrated into an integral subway ventilation and smoke exhaust system, two high-temperature resistant exhaust fans are arranged at two ends of a subway station, the exhaust amount is distributed to positions needing exhaust by utilizing ventilation pipelines, and a control valve is additionally arranged on each air pipe; when some areas of the subway need air exhaust volume, the subway BAS control system can control the air volume of the fan and the opening and closing of each control valve, and reasonably distributes the ventilation volume to the areas of the subway needing the ventilation volume;
the method specifically comprises the following steps:
1) when a train stops, the rail top and rail bottom smoke exhaust port in a rail running area needs to be started to provide ventilation and heat dissipation, so that subway train traction and condenser heat dissipation are eliminated, the intensive subway ventilation and smoke exhaust system only provides air exhaust quantity for the rail top and rail bottom, and a platform and station hall public area and a station equipment management room stop ventilation and heat dissipation;
2) when the train is in a non-stop state, the air outlet at the bottom of the rail top rail does not need to provide heat extraction, and at the moment, the intensive subway ventilation and smoke exhaust system only provides air exhaust volume for the public area of the platform station hall and the rooms for station equipment management, so that ventilation and heat dissipation of the public area of the platform station hall and the rooms for station equipment management are realized;
3) in the normal condition, the mechanical ventilation system of the tunnel only needs to operate the fan 0.5h before the subway is operated every day and 0.5h after the operation is finished, and the fan is used for cleaning ventilation in the morning and at night, and at the moment, the intensive subway ventilation and smoke exhaust system only provides exhaust air volume for mechanical ventilation of the tunnel;
4) when a fire disaster or a blocking working condition occurs in the subway, the intensive subway ventilation and smoke exhaust system only provides smoke exhaust amount for an accident area.
2. An intensive subway ventilation and smoke exhaust system according to claim 1, characterized in that: the ventilator is a high-temperature resistant fan and can be used as a smoke exhaust fan.
3. An intensive subway ventilation and smoke exhaust system according to claim 1, characterized in that: the ventilator may be a reversible axial flow fan.
4. An intensive subway ventilation and smoke exhaust system according to claim 1, characterized in that: the control valve can be electric air valves which can be controlled by a subway BAS control system to realize opening and closing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011231528.1A CN112253207A (en) | 2020-11-06 | 2020-11-06 | Intensive subway ventilation and smoke exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011231528.1A CN112253207A (en) | 2020-11-06 | 2020-11-06 | Intensive subway ventilation and smoke exhaust system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112253207A true CN112253207A (en) | 2021-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011231528.1A Pending CN112253207A (en) | 2020-11-06 | 2020-11-06 | Intensive subway ventilation and smoke exhaust system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112253207A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2004127156A (en) * | 2004-09-09 | 2006-02-20 | ОТКРЫТОЕ АКЦИОНЕРНОЕ ОБЩЕСТВО "Сильвинит" (RU) | METHOD FOR VENTILATING A DEADLINE MINING OR WELL |
| CN202370563U (en) * | 2011-12-27 | 2012-08-08 | 中铁第四勘察设计院集团有限公司 | Heat removal system for tunnel of subway station |
| CN102720519A (en) * | 2012-06-21 | 2012-10-10 | 广州地铁设计研究院有限公司 | Novel tunnel ventilation system for subway station |
| CN203097921U (en) * | 2013-02-22 | 2013-07-31 | 中铁第四勘察设计院集团有限公司 | System integrating function of heat dissipation of shielded-gate-type subway station tunnels with function of smoke exhaust of platform public area |
| CN108049905A (en) * | 2017-11-03 | 2018-05-18 | 中国安全生产科学研究院 | A kind of totally-enclosed gate underground station platform fire ventilation smoke exhaust method of subway |
| CN108266216A (en) * | 2018-01-30 | 2018-07-10 | 广州地铁设计研究院有限公司 | Metro station tunnel heat-extraction system |
| CN108952788A (en) * | 2018-08-16 | 2018-12-07 | 中国安全生产科学研究院 | A kind of method of underground station train fire ventilation smoke exhaust |
| CN208546182U (en) * | 2018-07-17 | 2019-02-26 | 上海市城市建设设计研究总院（集团）有限公司 | Subway detour ventilating system with shield door |
| CN111075490A (en) * | 2019-12-30 | 2020-04-28 | 中国安全生产科学研究院 | Fire ventilation and smoke exhaust device and method for tunnel between large and large zones of iron in river-crossing sea |
-
2020
- 2020-11-06 CN CN202011231528.1A patent/CN112253207A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2004127156A (en) * | 2004-09-09 | 2006-02-20 | ОТКРЫТОЕ АКЦИОНЕРНОЕ ОБЩЕСТВО "Сильвинит" (RU) | METHOD FOR VENTILATING A DEADLINE MINING OR WELL |
| CN202370563U (en) * | 2011-12-27 | 2012-08-08 | 中铁第四勘察设计院集团有限公司 | Heat removal system for tunnel of subway station |
| CN102720519A (en) * | 2012-06-21 | 2012-10-10 | 广州地铁设计研究院有限公司 | Novel tunnel ventilation system for subway station |
| CN203097921U (en) * | 2013-02-22 | 2013-07-31 | 中铁第四勘察设计院集团有限公司 | System integrating function of heat dissipation of shielded-gate-type subway station tunnels with function of smoke exhaust of platform public area |
| CN108049905A (en) * | 2017-11-03 | 2018-05-18 | 中国安全生产科学研究院 | A kind of totally-enclosed gate underground station platform fire ventilation smoke exhaust method of subway |
| CN108266216A (en) * | 2018-01-30 | 2018-07-10 | 广州地铁设计研究院有限公司 | Metro station tunnel heat-extraction system |
| CN208546182U (en) * | 2018-07-17 | 2019-02-26 | 上海市城市建设设计研究总院（集团）有限公司 | Subway detour ventilating system with shield door |
| CN108952788A (en) * | 2018-08-16 | 2018-12-07 | 中国安全生产科学研究院 | A kind of method of underground station train fire ventilation smoke exhaust |
| CN111075490A (en) * | 2019-12-30 | 2020-04-28 | 中国安全生产科学研究院 | Fire ventilation and smoke exhaust device and method for tunnel between large and large zones of iron in river-crossing sea |
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Application publication date: 20210122 |