CN102493828A - Ventilation system and method for tunnel construction - Google Patents
Ventilation system and method for tunnel construction Download PDFInfo
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- CN102493828A CN102493828A CN2011104584963A CN201110458496A CN102493828A CN 102493828 A CN102493828 A CN 102493828A CN 2011104584963 A CN2011104584963 A CN 2011104584963A CN 201110458496 A CN201110458496 A CN 201110458496A CN 102493828 A CN102493828 A CN 102493828A
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Abstract
The invention relates to a ventilation system and a ventilation method for tunnel construction. The system consists of a wind turbine, an air exhaust vertical shaft, a jet flow tee joint, an exhaust duct, a filter connection tee joint, a fresh air duct, a tee joint purification foundation, a separation air duct, a fan, and a fresh air filter; a ventilation vertical shaft is constructed outside a tunnel before construction, and during construction, air feeding is adopted on an upper part, and exhausted air on a lower part is directly filtered and removed; a fresh air machine can drive fresh air and exhausted air synchronously, wind energy is fully utilized, and energy is saved and emission is reduced; and the system can be industrially designed, and produced in the standardized, generalized and serialized mode, can be widely applied to tunnel construction industry, mining industry, dust operation industry and other industry, and belongs to the field of tunnel construction and ventilation and purification.
Description
Technical field
The present invention relates to a kind of construction ventilation of tunnel system and method for ventilation, system is made up of wind turbine, exhaust air shaft, jet threeway, exhast duct, filtration connection threeway, fresh flue, threeway purification pedestal, partition air channel, blower fan, new wind filter; Build airshaft in the outside, tunnel before the construction, adopt the top air-supply in the construction, air draft Direct Filtration in bottom is got rid of; New wind of new blower fan driven in synchronism and air draft make full use of wind energy, energy-saving and emission-reduction; Can industrialization design, standardization, generalization, producing in serial form; Can be widely used in constructing tunnel, mining, the multiple industry of dust work belong to tunnel construction construction and ventilation cleaning field.
Background technology
Present constructing tunnel, on-the-spot dust fills the air, the method for top air draft, cause the muddy air-flow that pollutes spread in the human body respiration ventilation around, the constructing tunnel personnel are in muddy air for a long time and work, and cause anthraco-silicosis and uncomfortable.
Construction ventilation of tunnel system of the present invention and method of ventilation are built exhaust air shaft before the construction, utilize the wind energy air draft; In the construction, new new wind of blower fan driven in synchronism and increase air draft form in the tunnel and go up air-supply; Following air draft air-flow, site operation air cleaner, dust filter under the downward air exhaust device effect and sink; Conveniently remove small investment, instant effect through filtering the connection threeway.
Summary of the invention
A kind of construction ventilation of tunnel system and method for ventilation; System is made up of wind turbine, exhaust air shaft, jet threeway, exhast duct, filtration connection threeway, fresh flue, threeway purification pedestal, partition air channel, blower fan, new wind filter; Build airshaft in the outside, tunnel before the construction; Adopt the top air-supply in the construction, air draft Direct Filtration in bottom is got rid of; New wind of new blower fan driven in synchronism and air draft.
The present invention has following characteristic:
1 filters the connection threeway is made up of filter group, three-way body, flow tank, dedusting door, and the output area is greater than the input area.
2. threeway purification pedestal is identical with partition air channel input airflow direction, and air draft water conservancy diversion bend input cross-sectional area is less than the output cross-sectional area.
Description of drawings
Fig. 1: construction ventilation of tunnel system and device overall schematic
Fig. 2: three ventilation stack sketch mapes
Fig. 3: jet three-way device sketch map
Fig. 4: filter connection three-way device sketch map
Fig. 1 explains as follows:
Flange 1, flange 2, exhaust air shaft 3, flange 4, wind turbine 5, exhaust duct 6, plate 7, filter 8, dedusting mouth 9, wind wheel bracing frame 10, wind wheel 11, flange 12 cuts off air channel 13, partition panel 14, flange 15, basic pedestal 16, flange 17, fresh wind tube road 18.
Flange 1, flange 2 and exhaust duct 6 common composition jet threeways; Exhaust air shaft 3 through wind turbine 5 is housed enters atmosphere with tail gas; Be provided with at interval on the exhaust duct by plate 7, filter 8 and the filtration that dedusting mouth 9 is formed jointly and be connected threeway; The wind wheel 11 that wind wheel bracing frame 10 supports is the new wind of input in cutting off air channel 13, and partition panel 14 is at fresh wind tube spaced intermediate road and exhaust duct.Flange 15, basic pedestal 16 and the flange 17 common threeway purification pedestals of forming, new wind gets into tunnel internal through fresh wind tube road 18 after purifying.
Fig. 2 explains as follows:
Cut off air channel 13, partition panel 14.
Fig. 3 explains as follows:
Fig. 4 explains as follows:
Filter the connection three-way device and install and fix through plate 7 and exhaust duct, filter 8 causes particulate contamination and other hazardous substancess to drop into bottom dedusting mouth 9 against the wind to installing obliquely.
The specific embodiment
Vertical shaft construction principle:
Vertical shaft can be crouched down perhaps mountain top or near the vertically construction tunnel face on the hillside after massif the preceding paragraph distance, and shaft main body is constructed according to general civil construction method, and the tunnel is long, and then the ventilation demand is big; Height and caliber that vertical shaft will be set up are thick; General wind turbine is installed at the vertical shaft top, and flange connects, the silo bottom opening; The jet three-way device is installed, is connected exhaust duct.
The air draft principle:
In the tunnel, a wind turbine is set, unified exhaust duct and the fresh wind tube road of carrying new wind to partition panel to separate; The new wind of sending into exhaust duct provides wind energy to exhaust duct, and forming the bottom has the combination air draft mode that wind energy drives, the common formation of vertical shaft effect is arranged at top, effectively improves the air draft effect; Reduced cost of equipment; Tail gas connects threeway through the inner filtration of exhaust duct and purifies, and enters atmosphere through exhaust air shaft then, and filtration connects threeway and is provided with at interval.
The air-supply principle:
New wind purifies pedestal through the threeway that is connected with vertical shaft and purifies the fresh wind tube road that the back gets into tunnel internal through the fresh wind tube road, guarantees the oxygen content and the human comfort of tunnel internal.
Cleaning principle:
Tail gas directly sucks air outlet, and general filter reduces hazardous emission; New wind is delivered to the human perception zone through filtration, also is the motor vehicle intake region simultaneously, increases the air oxygen content, further reduces the generation of hazardous substances, improves the human comfort parameter.
Principle is installed:
Tunnel internal, the air channel is airtight.Filter the connection threeway and be provided with at interval, filter is against the wind to oblique installation, and particulate contamination and other hazardous substancess drop into bottom dedusting mouth, adopt and change cleaning way, regularly replace recycling.
The component processing method:
New wind is closed in breaking out of fire, opens air draft.
Filter and connect the three-way device processing method: filter the connection three-way device and insert exhaust duct through plate 7; Adopt general drawer type inserting mode fixed installation between exhaust duct and the plate 7; Filter 8 is installed in dedusting mouth 9 edges, against the wind guarantees the nuisance mass-energy dedusting mouth 9 that drops to installing obliquely;
Three ventilation stack processing methods: airtight installation when partition panel 14 is installed.
Jet three-way device processing method: input channel oral area cross-sectional area is less than jet pipeline cross-sectional area, and input channel oral area down wind arc is installed, the airtight installation of pipeline.
Claims (3)
1. construction ventilation of tunnel system and method for ventilation; System is made up of wind turbine, exhaust air shaft, jet threeway, exhast duct, filtration connection threeway, fresh flue, threeway purification pedestal, partition air channel, blower fan, new wind filter; Build airshaft in the outside, tunnel before the construction; Adopt the top air-supply in the construction, air draft Direct Filtration in bottom is got rid of; New wind of new blower fan driven in synchronism and air draft.
2. construction ventilation of tunnel system according to claim 1 and method of ventilation is characterized in that: filter the connection threeway and be made up of filter group, three-way body, flow tank, dedusting door, the output area is greater than the input area.
3. construction ventilation of tunnel system according to claim 1 and method of ventilation is characterized in that: it is identical with partition air channel input airflow direction that threeway purifies pedestal, and air draft water conservancy diversion bend input cross-sectional area is less than the output cross-sectional area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104584963A CN102493828A (en) | 2011-12-31 | 2011-12-31 | Ventilation system and method for tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104584963A CN102493828A (en) | 2011-12-31 | 2011-12-31 | Ventilation system and method for tunnel construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102493828A true CN102493828A (en) | 2012-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011104584963A Pending CN102493828A (en) | 2011-12-31 | 2011-12-31 | Ventilation system and method for tunnel construction |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013086850A1 (en) * | 2011-12-15 | 2013-06-20 | 天津建院建筑设计有限公司 | Downward air extraction system and method for tunnel air |
| WO2013097249A1 (en) * | 2011-12-31 | 2013-07-04 | 天津基石科技服务有限公司 | Ventilation system and ventilation method for tunnel construction |
| CN104453973A (en) * | 2014-12-12 | 2015-03-25 | 中铁十九局集团有限公司 | Tunnel ventilation system |
| CN105986832A (en) * | 2015-01-28 | 2016-10-05 | 西南交通大学 | Air duct design method used for natural wind energy conservation and utilization in tunnel |
| CN106089280A (en) * | 2016-07-14 | 2016-11-09 | 西南交通大学 | A kind of underground large-scale cave depot group network laneway type construction ventilation method |
| CN106761880A (en) * | 2017-01-09 | 2017-05-31 | 河北工程大学 | A kind of tunnel ventilation filtration system |
| CN109057849A (en) * | 2018-08-09 | 2018-12-21 | 湖南科技大学 | Downstream tunnels length bounding method for Extra-long Highway Tunnel open-circuit ventilation system |
| CN109057848A (en) * | 2018-08-09 | 2018-12-21 | 湖南科技大学 | The ventilation of Extra-long Highway Tunnel closed cycle divides wind to determine method than number maximum |
| CN109186031A (en) * | 2018-09-18 | 2019-01-11 | 聂莉萍 | A kind of subway work ventilation refrigerating plant |
| CN110617098A (en) * | 2019-11-01 | 2019-12-27 | 中交一公局桥隧工程有限公司 | Inclined shaft ventilation process for tunnel construction |
| CN112963190A (en) * | 2021-02-23 | 2021-06-15 | 重庆交通大学 | Air exhaust device for tunnel |
-
2011
- 2011-12-31 CN CN2011104584963A patent/CN102493828A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013086850A1 (en) * | 2011-12-15 | 2013-06-20 | 天津建院建筑设计有限公司 | Downward air extraction system and method for tunnel air |
| WO2013086852A1 (en) * | 2011-12-15 | 2013-06-20 | 天津建华工程咨询管理公司 | Downward air extraction system and method for tunnel air |
| WO2013097249A1 (en) * | 2011-12-31 | 2013-07-04 | 天津基石科技服务有限公司 | Ventilation system and ventilation method for tunnel construction |
| CN104453973A (en) * | 2014-12-12 | 2015-03-25 | 中铁十九局集团有限公司 | Tunnel ventilation system |
| CN104453973B (en) * | 2014-12-12 | 2016-07-27 | 中铁十九局集团有限公司 | A kind of Tunnel Ventilation System |
| CN105986832A (en) * | 2015-01-28 | 2016-10-05 | 西南交通大学 | Air duct design method used for natural wind energy conservation and utilization in tunnel |
| CN106089280A (en) * | 2016-07-14 | 2016-11-09 | 西南交通大学 | A kind of underground large-scale cave depot group network laneway type construction ventilation method |
| CN106761880A (en) * | 2017-01-09 | 2017-05-31 | 河北工程大学 | A kind of tunnel ventilation filtration system |
| CN109057849A (en) * | 2018-08-09 | 2018-12-21 | 湖南科技大学 | Downstream tunnels length bounding method for Extra-long Highway Tunnel open-circuit ventilation system |
| CN109057848A (en) * | 2018-08-09 | 2018-12-21 | 湖南科技大学 | The ventilation of Extra-long Highway Tunnel closed cycle divides wind to determine method than number maximum |
| CN109057848B (en) * | 2018-08-09 | 2019-12-06 | 湖南科技大学 | method for determining maximum value of wind ratio number of closed type circulation ventilation of extra-long road tunnel |
| CN109057849B (en) * | 2018-08-09 | 2020-02-07 | 湖南科技大学 | Downstream tunnel length extreme value determination method for open ventilation system of extra-long highway tunnel |
| CN109186031A (en) * | 2018-09-18 | 2019-01-11 | 聂莉萍 | A kind of subway work ventilation refrigerating plant |
| CN109186031B (en) * | 2018-09-18 | 2020-07-28 | 聂莉萍 | Ventilation and refrigeration device for subway construction |
| CN110617098A (en) * | 2019-11-01 | 2019-12-27 | 中交一公局桥隧工程有限公司 | Inclined shaft ventilation process for tunnel construction |
| CN112963190A (en) * | 2021-02-23 | 2021-06-15 | 重庆交通大学 | Air exhaust device for tunnel |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120613 |