US20120006503A1 - Ventilation system for tunnel engineering - Google Patents

Ventilation system for tunnel engineering Download PDF

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Publication number
US20120006503A1
US20120006503A1 US12/882,394 US88239410A US2012006503A1 US 20120006503 A1 US20120006503 A1 US 20120006503A1 US 88239410 A US88239410 A US 88239410A US 2012006503 A1 US2012006503 A1 US 2012006503A1
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US
United States
Prior art keywords
heat
ventilation system
shaft
pump
tunnel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US12/882,394
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English (en)
Inventor
Yu-Ming Sun
Chi-Bin Wu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chung Hsin Electric and Machinery Manufacturing Corp
Original Assignee
Chung Hsin Electric and Machinery Manufacturing Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chung Hsin Electric and Machinery Manufacturing Corp filed Critical Chung Hsin Electric and Machinery Manufacturing Corp
Assigned to CHUNG-HSIN ELECTRIC AND MACHINERY MANUFACTURING CORP. reassignment CHUNG-HSIN ELECTRIC AND MACHINERY MANUFACTURING CORP. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SUN, Yu-ming, WU, CHI-BIN
Publication of US20120006503A1 publication Critical patent/US20120006503A1/en
Abandoned legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21F1/18—Gravity flow ventilation
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • F24F2005/0064—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/40—Geothermal heat-pumps

Definitions

  • the present invention relates to ventilation systems for tunnel engineering, and more particularly, to a ventilation system configured for use in tunnel engineering and operated by a heat-driven cooling mechanism.
  • Taiwan Due to its socioeconomic development, the densely-populated Taiwan has an inevitably great demand for electricity. In Taiwan, the dependency upon electricity is most markedly manifested in metropolitan areas and science parks. Hence, elevated high-voltage power cables play an important role in electric power transmission. However, in a city, high-voltage power cables have to work underground in order to let the city look neat and tidy and to prevent the high-voltage power cables from being damaged by an earthquake or typhoon.
  • underground high-voltage power cables are confronted with problems, such as heat dissipation.
  • Underground high-voltage power cables have to be installed in tunnels.
  • tunnels are known to be less ventilated.
  • high-voltage power cables in operation generate heat.
  • the heat accumulated in tunnels that accommodate high-voltage power cables increases with the time of electric power transmission; as a result, the copper cores of underground high-voltage power cables are susceptible to damage, and the efficiency of electric power transmission by underground high-voltage power cables greatly deteriorates.
  • tunnel temperature has to be kept below 37° C. so as to maintain the efficiency of electric power transmission by underground high-voltage power cables.
  • the present invention relates to a ventilation system for use in tunnel engineering, wherein ambient air is introduced, by natural convection, into a tunnel to thereby renew air therein or decrease the temperature therein.
  • the present invention relates to a ventilation system for use in tunnel engineering, wherein the inside of a shaft is heated up to enhance convection therein.
  • the present invention relates to a ventilation system for use in tunnel engineering, wherein heat collected by a non-electric-heating heat collecting device provides the driving energy which, coupled with an adsorption or absorption cooling device and the heating and cooling spiral pipes disposed in the shafts, gives the ventilation system advantageous features, such as the absence of moving parts, ease of use, low noise, low power consumption, long service life, and low manufacturing costs, such that the ventilation system is fit for use in long-distance tunnel engineering that requires multi-point installation of the ventilation system.
  • the present invention provides a ventilation system for use in tunnel engineering.
  • the ventilation system is applicable to a tunnel having at least one first shaft and at least one second shaft.
  • the ventilation system comprises: a heat collecting device for collecting heat; and at least one piping system each comprising: a first pump connected to the heat collecting device; and a first pipeline communicating with the first pump to form a circuit, wherein a portion of the first pipeline coils inside the first shaft to form a heating spiral pipe inside the first shaft.
  • the present invention further provides a ventilation system for use in tunnel engineering.
  • the ventilation system is applicable to a tunnel having at least one first shaft and at least one second shaft.
  • the ventilation system comprises: a heat collecting device for collecting heat; a cooling device for refrigeration, comprising: a cooler connected to the heat collecting device; and a cooling tower connected to the cooler; and at least one piping system each comprising: a first pump connected to the heat collecting device; a first pipeline communicating with the first pump to form a circuit, wherein a portion of the first pipeline coils inside the first shaft to form a heating spiral pipe inside the first shaft; a second pump connected to the cooler; and a second pipeline communicating with the second pump to form a circuit, wherein a portion of the second pipeline coils inside the second shaft to form a cooling spiral pipe inside the second shaft.
  • the temperature inside the shafts is raised, so as to achieve the effect of air renewal or heat dissipation by natural convection.
  • the ventilation system in its entirety is free of any moving parts, uses non-electric heat as the required driving energy, features low power consumption, long service life, and low manufacturing costs, and is fit for use in tunnel engineering that requires multi-point installation of the ventilation system.
  • FIG. 1 is a schematic view of a ventilation system for use in tunnel engineering in a first embodiment of the present invention
  • FIG. 2 is a schematic view of a spiral pipe in an embodiment of the present invention.
  • FIG. 3 is a schematic view of operation of the ventilation system for use in tunnel engineering in the first embodiment of the present invention
  • FIG. 4 is a schematic view of the ventilation system for use in tunnel engineering in a second embodiment of the present invention.
  • FIGS. 5 and 6 are schematic views of operation of the ventilation system for use in tunnel engineering in the second embodiment of the present invention.
  • a ventilation system 100 for use in tunnel engineering comprises a heat collecting device 10 and at least one piping system 20 .
  • the ventilation system 100 is applicable to a tunnel 101 having at least one first shaft 102 and at least one second shaft 103 .
  • the heat collecting device 10 collects heat.
  • the heat collecting device 10 coupled with the piping system 20 , allows the temperature in the first shaft 102 to rise.
  • the first shaft 102 manifests a chimney effect.
  • the chimney effect speeds up convection between the air inside and outside the tunnel 101 .
  • the heat collected by the heat collecting device 10 is the major energy source for driving the entirety of the ventilation system 100 .
  • the heat thus collected may originate from solar energy, geothermal energy, fuel gas energy and/or waste heat. Any source of heat other than electric heat can be the source of heat collected by the heat collecting device 10 .
  • the heat collecting device 10 comprises a heat collector 11 and a heat exchanger 12 .
  • the heat thus collected originates from solar energy
  • the heat collector 11 is a solar heat collecting panel or a solar vacuum heat collecting tube.
  • the heat collector 11 absorbs solar radiation energy.
  • the heat collector 11 is connected to heat exchanger 12 and stores, through the heat exchanger 12 , the absorbed thermal energy in the form of a heat transfer medium.
  • water functions as a heat transfer medium, because water is characterized by high latent heat of evaporation, high stability, and no toxicity.
  • Each said piping system 20 comprises a first pump 21 and a first pipeline 22 .
  • the first pump 21 is connected between the heat collecting device 10 and the first pipeline 22 . Water is heated up by the heat collecting device 10 .
  • the first pump 21 introduces the hot water into the first pipeline 22 .
  • the heat collecting device 10 further comprises a first storage tank 13 .
  • the first storage tank 13 stores the hot water produced by the heat collecting device 10 .
  • the first storage tank 13 is configured to function as a heat-storing device and connected between the heat exchanger 12 and the first pump 21 .
  • a portion of the first pipeline 22 coils inside the first shaft 102 to form a heating spiral pipe 22 a inside the first shaft 102 .
  • the first pipeline 22 communicates with the first pump 21 to form a circuit (see FIG. 1 ).
  • the heating spiral pipe 22 a is made of metal or non-metal material.
  • the heating spiral pipe 22 a is designed in a manner to lift the air inside the first shaft 102 , so as to speed up the chimney effect taking place in the first shaft 102 .
  • the chimney effect means the enhanced natural convection between ascending hot air and descending cold air inside a vertical ventilation pipe.
  • the heating spiral pipe 22 a speeds up the chimney effect taking place in the first shaft 102 , and enables cold air to be introduced into the tunnel 101 from the second shaft 103 , thereby achieving ventilation and renewal of air.
  • the dashed-line arrows indicate the directions in which the hot water in the heating spiral pipe 22 a flows
  • the white arrows indicate the directions in which gas flows. Due to the hot water introduced into the heating spiral pipe 22 a , the temperature of air inside the first shaft 102 rises, and thus the gaseous pressure inside the first shaft 102 rises. As a result, the air inside the first shaft 102 moves upward, and thus the air inside the tunnel 101 is guided out of the tunnel 101 . Since the air inside the tunnel 101 is discharged by means of the first shaft 102 , pressure inside the tunnel 101 drops. Eventually, ambient air enters the tunnel 101 via the second shaft 103 to thereby finalize a complete gas circulation process.
  • the chimney effect is induced by the heating spiral pipe 22 a inside the first shaft 102 , such that air is discharged from the first shaft 102 and then fed through the second shaft 103 to thereby achieve ventilation and renewal of air.
  • the ventilation system 100 is equipped with a heat-driven cooler for maintaining the temperature in the tunnel 101 efficiently.
  • the ventilation system 100 ′ for use in tunnel 101 engineering according to a second embodiment of the present invention.
  • the ventilation system 100 ′ comprises a heat collecting device 10 , a cooling device 30 , and at least one piping system 20 ′.
  • the ventilation system 100 ′ in the second embodiment is also applicable to the tunnel 101 having at least one first shaft 102 and at least one second shaft 103 .
  • the purpose of the heat collecting device 10 is to collect heat. Compared with the first embodiment, the heat thus collected in the second embodiment is more effective in driving the cooling device 30 and enabling the cooling device 30 to produce ice water.
  • the cooling device 30 coupled with the piping system 20 ′ that is more sophisticated than the piping system 20 , enhances the efficiency of the natural convection between the first shaft 102 and the second shaft 103 , enhances the natural convection between air inside and outside the tunnel 101 , and enables air renewal and a decrease in temperature.
  • the cooling device 30 is configured to produce ice water.
  • the cooling device 30 comprises a cooler 31 and a cooling tower 32 .
  • the cooler 31 is a heat-driven cooler, an adsorption type cooler, or an absorption type cooler.
  • the cooler 31 is connected to the heat collecting device 10 .
  • the cooler 31 receives heat from the heat collector 11 of the heat collecting device 10 .
  • the heat exchanger 12 provides the heat required for the formation of hot water.
  • the hot water thus formed serves as a hot water source for driving the cooler 31 .
  • the cooling tower 32 is connected to the cooler 31 and serves as a cold water source for the cooler 31 .
  • the piping system 20 ′ comprises a first pump 21 , a first pipeline 22 , a second pump 23 , and a second pipeline 24 .
  • the first pump 21 is connected to the first storage tank 13 of the heat collecting device 10 or directly connected to the heat exchanger 12 .
  • the second pump 23 is connected to the cooler 31 of the cooling device 30 .
  • the first pump 21 and the second pump 23 introduce hot water and ice water into the first pipeline 22 and the second pipeline 24 , respectively.
  • the cooling device 30 further comprises a second storage tank 33 connected between the cooler 31 of the cooling device 30 and the second pump 23 . Ice water produced by the cooling device 30 is stored in the second storage tank 33 .
  • the second storage tank 33 functions as a cold air-storing device.
  • a portion of the first pipeline 22 and a portion of the second pipeline 24 coil inside the first and second shafts 102 , 103 to form the heating spiral pipe 22 a and a cooling spiral pipe 24 a inside the first and second shafts 102 , 103 , respectively, and the second pipeline 24 communicates with the second pump 23 to form a circuit.
  • the cooling spiral pipe 24 a is made of metal or non-metal material.
  • the ventilation system 100 ′ for use in tunnel engineering operates in a most-power-saving mode in different scenarios by taking account of extrinsic conditions.
  • the dashed-line arrows indicate the directions in which the hot water in the heating spiral pipe 22 a flows
  • the white arrows indicate the directions in which gas flows.
  • the first shaft 102 is configured to discharge air and thus is also known as the air discharging shaft.
  • the dashed-line arrows indicate the directions in which the hot water and the ice water in the heating spiral pipe 22 a and the cooling spiral pipe 24 a flow, respectively, and the white arrows indicate the directions in which gas flow.
  • the heat collecting device 10 has sufficiently high conversion efficiency to drive the cooling device 30 to produce ice water.
  • the ice water thus produced is introduced into the cooling spiral pipe 24 a to lower the temperature of the air inside the second shaft 103 and thereby speed up natural convection.
  • ambient air enters the tunnel 101 via the second shaft 103 to form an incoming air current therein; hence, the second shaft 103 is also known as the air feeding shaft.
  • the ventilation system 100 ′ equipped with a heat-driven cooler is advantageously characterized by low power consumption and low manufacturing costs and thus is fit for use in tunnel engineering that requires multi-point installation of the ventilation systems 100 , 100 ′ and joint use of a pipeline.
US12/882,394 2010-07-06 2010-09-15 Ventilation system for tunnel engineering Abandoned US20120006503A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW099122234 2010-07-06
TW099122234A TW201202543A (en) 2010-07-06 2010-07-06 Ventilation system for tunnel engineering

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EP (1) EP2405099A3 (ja)
JP (1) JP4995309B2 (ja)
TW (1) TW201202543A (ja)

Cited By (12)

* Cited by examiner, † Cited by third party
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CN105134278A (zh) * 2015-09-29 2015-12-09 中铁一局集团有限公司 高海拔高寒地区隧道通风升温系统及通风升温施工方法
US20150354903A1 (en) * 2012-11-01 2015-12-10 Skanska Sverige Ab Thermal energy storage comprising an expansion space
US9518787B2 (en) 2012-11-01 2016-12-13 Skanska Svergie Ab Thermal energy storage system comprising a combined heating and cooling machine and a method for using the thermal energy storage system
CN107201914A (zh) * 2017-06-28 2017-09-26 徐州迈斯特机械科技有限公司 一种隧道空气净化设备
US9791217B2 (en) 2012-11-01 2017-10-17 Skanska Sverige Ab Energy storage arrangement having tunnels configured as an inner helix and as an outer helix
US20170371374A1 (en) * 2016-06-27 2017-12-28 National Products, Inc. Slide dock and methods of making and using
CN109944626A (zh) * 2019-04-08 2019-06-28 东南大学 隧道相变蓄冷降温系统
CN110185485A (zh) * 2019-07-08 2019-08-30 中国电建集团成都勘测设计研究院有限公司 用于高海拔高地温长隧道的热压式隧道通风系统
CN110926042A (zh) * 2019-10-21 2020-03-27 西安科技大学 固流耦合协同降温的矿井地热开采利用装置及方法
CN111062115A (zh) * 2019-11-08 2020-04-24 国网江苏省电力有限公司盐城供电分公司 一种用于电力隧道的通风系统风机配置方法
CN114263487A (zh) * 2021-12-17 2022-04-01 林同棪国际工程咨询（中国）有限公司 公路隧道竖井通风加热系统及方法
CN117213033A (zh) * 2023-09-25 2023-12-12 北方工业大学 一种太阳能新风热回收装置

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CN103244166A (zh) * 2013-04-27 2013-08-14 张东省 一种太阳能热流隧道通风系统
CN104453973B (zh) * 2014-12-12 2016-07-27 中铁十九局集团有限公司 一种隧道通风系统
CN106089282A (zh) * 2016-07-28 2016-11-09 长安大学 基于太阳能棚热技术和烟囱效应的公路隧道自然风利用系统
CN106869985B (zh) * 2017-03-13 2018-09-18 中钢集团马鞍山矿山研究院有限公司 地下矿山回风井高温饱和风流除湿装置及方法
CN107166796B (zh) * 2017-06-26 2019-07-05 杜辉 太阳能耦合土壤源能量交换装置及控制方法
CN110094224A (zh) * 2018-08-09 2019-08-06 北京中矿赛力贝特节能科技有限公司 一种矿井回风余热利用系统及控制方法
CN109958470B (zh) * 2019-03-20 2020-07-03 东北大学 一种矿井用散热均匀的低能耗循环供暖设备
CN110173855B (zh) * 2019-05-29 2021-11-02 北京隆普智能科技有限公司 一种地铁车站节能型环控系统
CN111520009B (zh) * 2020-04-27 2021-08-27 煤炭科学技术研究院有限公司 一种煤矿井下可远程解除闭锁的风门闭锁装置

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9823026B2 (en) * 2012-11-01 2017-11-21 Skanska Sverige Ab Thermal energy storage with an expansion space
US9518787B2 (en) 2012-11-01 2016-12-13 Skanska Svergie Ab Thermal energy storage system comprising a combined heating and cooling machine and a method for using the thermal energy storage system
US9657998B2 (en) 2012-11-01 2017-05-23 Skanska Sverige Ab Method for operating an arrangement for storing thermal energy
US9791217B2 (en) 2012-11-01 2017-10-17 Skanska Sverige Ab Energy storage arrangement having tunnels configured as an inner helix and as an outer helix
US20150354903A1 (en) * 2012-11-01 2015-12-10 Skanska Sverige Ab Thermal energy storage comprising an expansion space
CN105134278A (zh) * 2015-09-29 2015-12-09 中铁一局集团有限公司 高海拔高寒地区隧道通风升温系统及通风升温施工方法
US20170371374A1 (en) * 2016-06-27 2017-12-28 National Products, Inc. Slide dock and methods of making and using
CN107201914A (zh) * 2017-06-28 2017-09-26 徐州迈斯特机械科技有限公司 一种隧道空气净化设备
CN109944626A (zh) * 2019-04-08 2019-06-28 东南大学 隧道相变蓄冷降温系统
CN110185485A (zh) * 2019-07-08 2019-08-30 中国电建集团成都勘测设计研究院有限公司 用于高海拔高地温长隧道的热压式隧道通风系统
CN110926042A (zh) * 2019-10-21 2020-03-27 西安科技大学 固流耦合协同降温的矿井地热开采利用装置及方法
CN111062115A (zh) * 2019-11-08 2020-04-24 国网江苏省电力有限公司盐城供电分公司 一种用于电力隧道的通风系统风机配置方法
CN114263487A (zh) * 2021-12-17 2022-04-01 林同棪国际工程咨询（中国）有限公司 公路隧道竖井通风加热系统及方法
CN117213033A (zh) * 2023-09-25 2023-12-12 北方工业大学 一种太阳能新风热回收装置

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TW201202543A (en) 2012-01-16
JP2012017640A (ja) 2012-01-26
JP4995309B2 (ja) 2012-08-08
EP2405099A2 (en) 2012-01-11
EP2405099A3 (en) 2012-11-14

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