CN109578050A - A kind of system for directly reducing air themperature using geothermal energy resources in tunnel - Google Patents

A kind of system for directly reducing air themperature using geothermal energy resources in tunnel Download PDF

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Publication number
CN109578050A
CN109578050A CN201811564022.5A CN201811564022A CN109578050A CN 109578050 A CN109578050 A CN 109578050A CN 201811564022 A CN201811564022 A CN 201811564022A CN 109578050 A CN109578050 A CN 109578050A
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tunnel
geothermal
heat
directly reducing
refrigerator
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CN201811564022.5A
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CN109578050B (en
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李建斌
闫沁太
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China Railway Engineering Equipment Group Co Ltd CREG
China Railway Hi Tech Industry Corp Ltd
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China Railway Engineering Equipment Group Co Ltd CREG
China Railway Hi Tech Industry Corp Ltd
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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
    • E21F3/00—Cooling or drying of air
    • 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
    • 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
    • E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
    • 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
    • E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
    • E21F17/04—Distributing means for power supply in mines
    • E21F17/06—Distributing electric power; Cable networks; Conduits for cables

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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)
  • Power Engineering (AREA)
  • Central Air Conditioning (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)

Abstract

本发明提出一种隧道内利用地热资源直接降低空气温度的系统，包括地热采集装置和热驱动式制冷机，地热采集装置为热驱动式制冷机提供驱动热源，所述的热驱动式制冷机冷却后的空气经送气装置送至隧道内，冷却水降温循环装置为热驱动式制冷机提供冷却水，冷却水降温循环装置位于隧道外。本发明的有益效果：可实现对地热资源的利用，大幅降低制冷机组耗电量；采用了地热和电能作为能源来源，可根据地热能的供应情况调整电能作为补充，当地热水或水蒸气采集量较高时则降低电能的供给，当地热水或水蒸气采集量较低时则提高电能的供给，实现制冷机所需能量的稳定供应，解决了地热资源供给不稳定的问题。

The invention proposes a system for directly reducing air temperature by utilizing geothermal resources in a tunnel, comprising a geothermal collection device and a heat-driven refrigerator, the geothermal collection device provides a driving heat source for the heat-driven refrigerator, and the heat-driven refrigerator cools The latter air is sent to the tunnel through the air supply device, the cooling water cooling circulation device provides cooling water for the heat-driven refrigerator, and the cooling water cooling circulation device is located outside the tunnel. The beneficial effects of the invention are as follows: the utilization of geothermal resources can be realized, and the power consumption of the refrigeration unit can be greatly reduced; the geothermal energy and electric energy are used as energy sources, and the electric energy can be adjusted according to the supply of geothermal energy as a supplement, and the amount of local hot water or water vapor collected When it is higher, the supply of electric energy is reduced, and when the amount of local hot water or water vapor collected is low, the supply of electric energy is increased to achieve a stable supply of energy required by the refrigerator and solve the problem of unstable supply of geothermal resources.

Description

A kind of system for directly reducing air themperature using geothermal energy resources in tunnel
Technical field
The present invention relates to tunnel air cooling technique field, particularly relate to directly reduce air using geothermal energy resources in a kind of tunnel The system of temperature.
Background technique
In tunnel excavating process, forced ventilation need to be carried out using supply air system, by the temperature, humidity and oxygen content of air Maintain the range of suitable construction personnel's operation.In geothermal energy resources area abundant, underground heat water and steam, rock persistently add Air in heat tunnel, temperature much exceeds the limit that construction personnel is able to bear in tunnel.The solution generallyd use at present It is that large power air-conditioned unit is installed outside tunnel, Cryogenic air is sent into tunnel, while will be direct outside GEOTHERMAL WATER extraction tunnel Discharge, while largely consumption electric energy, geothermal energy resources are but wasted for this.
Summary of the invention
In view of this, the present invention proposes the system for directly reducing air themperature using geothermal energy resources in a kind of tunnel, solution When the prior art carries out air-cooled to tunnel the problem of waste geothermal energy resources, it can be greatly reduced consumption of the air-conditioner set to electric energy.
The technical scheme of the present invention is realized as follows: directly reducing air themperature using geothermal energy resources in a kind of tunnel System, including geothermal collecting apparatus and thermal drivers formula refrigeration machine, geothermal collecting apparatus provide driving heat for thermal drivers formula refrigeration machine Source, the air after the thermal drivers formula cryocooled are sent through air supply plant to tunnel, and cooling water temperature circulator is Thermal drivers formula refrigeration machine provides cooling water, and cooling water temperature circulator is located at outside tunnel.
The air supply plant is connected to the oxygenerator outside tunnel.
It further include electric heater, electric heater provides driving heat source for thermal drivers formula refrigeration machine.
The electric heater is located in thermal drivers formula refrigeration machine.
The thermal drivers formula refrigeration machine is Absorption Refrigerator or adsorbent refrigerator.
The thermal drivers formula refrigeration machine is located in tunnel, and the air that getter device absorbs in tunnel is supplied to thermal drivers formula Cryocooled.
The geothermal collecting apparatus is located at outside tunnel, and the air that getter device absorbs outside tunnel is supplied to thermal drivers formula system Cold is cooling.
Underground heat in the geothermal collecting apparatus acquisition tunnel.
Underground heat outside the geothermal collecting apparatus acquisition tunnel in vertical shaft.
Underground heat after the thermal drivers formula refrigeration machine utilizes drains into outside tunnel through underground heat tapping equipment.
Beneficial effects of the present invention: the utilization to geothermal energy resources can be achieved, refrigeration unit power consumption is greatly reduced；It uses Underground heat and electric energy can adjust electric energy as supplement, when GEOTHERMAL WATER or water are steamed as energy sources according to the supply situation of geothermal energy The supply that electric energy is then reduced when gas collection capacity is higher then improves the supply of electric energy when GEOTHERMAL WATER or lower vapor collection capacity, Energy needed for realizing refrigeration machine stablizes supply, and it is unstable to solve the problems, such as that geothermal energy resources supply.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Fig. 1 is 1 schematic diagram of the embodiment of the present invention.
Fig. 2 is 2 schematic diagram of the embodiment of the present invention.
In figure: 10- shield body, 20- cutterhead, 30- ground, 40- thermal drivers formula refrigeration machine, 41- geothermal collecting apparatus, 42- are sent Device of air, 43- getter device, 44- cooling water pipeline, 45- underground heat tapping equipment, 46- electric heater, 47- vertical shaft, 50- oxygen Machine, 51- cooling water temperature circulator.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other under that premise of not paying creative labor Embodiment shall fall within the protection scope of the present invention.
According to the difference of different regions geothermal energy resources, two kinds of arrangement forms are can be used in refrigeration system.When tunnel passes through underground heat When water layer, a large amount of GEOTHERMAL WATER can be gushed out in tunnel, refrigeration machine can be arranged in the closer position in distance construction operation area in tunnel It sets, directly extracts GEOTHERMAL WATER nearby, and directly draw the high temperature air in tunnel, the Cryogenic air after sending out refrigeration.For adopting When tunneling tunnel with shield machine, refrigeration machine can be mounted on to shield drive end unit.When tunnel does not pass through underground heat water layer, in tunnel only A small amount of GEOTHERMAL WATER can be gushed out, can be mountable outside tunnel by refrigeration machine, GEOTHERMAL WATER is extracted by beating vertical shaft, while also out of tunnel GEOTHERMAL WATER is extracted, and sucks normal temperature air directly outside tunnel and freezes, then passes through pipeline to constructing tunnel operating area It is sent into Cryogenic air.
Embodiment 1
As shown in Figure 1, being the schematic diagram of one embodiment of the present of invention, present case is for using shield tunneling, packet Include shield body 10, the cutterhead 20 of shield machine and the ground 30 around tunnel.Specific implementation method are as follows: pacify thermal drivers formula refrigeration machine 40 Mounted in shield drive end unit, thermal drivers formula refrigeration machine 40 is absorption or adsorbent refrigerator, and thermal drivers formula refrigeration machine 40 passes through ground Thermal recovery acquisition means 41 extract GEOTHERMAL WATER or vapor obtains portion of energy, and thermal drivers formula refrigeration machine 40 is obtained by electric heater 46 Other portion of energy, the thermal energy of acquisition are the driving heat source of 40 generator of thermal drivers formula refrigeration machine, thermal drivers formula refrigeration machine 40 Hot water after being utilized ground by terrestrial heat water discharge device 45 is discharged to outside tunnel, and thermal drivers formula refrigeration machine 40 passes through cooling water pipe Road 44 is connect with the cooling water temperature circulator 51 outside tunnel, and thermal drivers formula refrigeration machine 40 is to cooling water temperature circulator 51 The higher water of input temp, cooling water temperature circulator 51 are sent into thermal drivers formula refrigeration machine 40 after water cools again, are The condenser of thermal drivers formula refrigeration machine 40 and absorption/absorber provide cooling water, form the circulation of cooling water, thermal drivers formula refrigeration Machine 40 sucks high temperature air by getter device 43 out of tunnel, and thermal drivers formula refrigeration machine 40 is by air supply plant 42 into tunnel Oxygen is sent into tunnel by air supply plant 42, improves and be sent into cold air by the Cryogenic air after being sent into refrigeration, oxygenerator 50 Oxygen content, adapt to High aititude anoxic area construction requirement.Case shown in Fig. 1 is suitable for the feelings of Tunnel Passing underground heat water layer Condition, thermal drivers formula refrigeration machine 40 can directly extract GEOTHERMAL WATER out of tunnel, and directly to the high temperature air system in tunnel It is cold.
Embodiment 2
As shown in Fig. 2, be another case study on implementation schematic diagram of the invention, present case still with use shield tunneling for Example, difference from example 1 is that: thermal drivers formula refrigeration machine 40 is mounted on outside tunnel, and thermal drivers formula refrigeration machine 40 passes through Vertical shaft 47 extracts GEOTHERMAL WATER from underground heat water layer, and GEOTHERMAL WATER, thermal drivers are extracted out of tunnel simultaneously also by geothermal collecting apparatus 41 Formula refrigeration machine 40 sucks normal temperature air by getter device 43 and freezes.Case shown in Fig. 2 is suitable for tunnel and does not pass through ground The case where hot water layer, refrigeration machine need to extract hot water from underground heat water layer by vertical shaft.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (10)

1.一种隧道内利用地热资源直接降低空气温度的系统，包括地热采集装置（41）和热驱动式制冷机（40），地热采集装置（41）为热驱动式制冷机（40）提供驱动热源，其特征在于：所述的热驱动式制冷机（40）冷却后的空气经送气装置（42）送至隧道内，冷却水降温循环装置（51）为热驱动式制冷机（40）提供冷却水，冷却水降温循环装置（51）位于隧道外。1. A system for directly reducing air temperature by utilizing geothermal resources in a tunnel, comprising a geothermal collection device (41) and a heat-driven refrigerator (40), wherein the geothermal collection device (41) provides driving for the heat-driven refrigerator (40) The heat source is characterized in that: the air cooled by the heat-driven refrigerator (40) is sent into the tunnel through the air supply device (42), and the cooling water cooling cycle device (51) provides the heat-driven refrigerator (40) with Cooling water, cooling water cooling circulation device (51) is located outside the tunnel. 2.根据权利要求1所述的隧道内利用地热资源直接降低空气温度的系统，其特征在于：所述的送气装置（42）与隧道外的制氧机（50）连通。2 . The system for directly reducing air temperature by using geothermal resources in a tunnel according to claim 1 , wherein the air supply device ( 42 ) is communicated with an oxygen generator ( 50 ) outside the tunnel. 3 . 3.根据权利要求1或2所述的隧道内利用地热资源直接降低空气温度的系统，其特征在于：还包括电加热器（46），电加热器（46）为热驱动式制冷机（40）提供驱动热源。3. The system for directly reducing air temperature by using geothermal resources in a tunnel according to claim 1 or 2, characterized in that it further comprises an electric heater (46), and the electric heater (46) is a thermally driven refrigerator (40). ) to provide the driving heat source. 4.根据权利要求3所述的隧道内利用地热资源直接降低空气温度的系统，其特征在于：所述的电加热器（46）设在热驱动式制冷机（40）内。4. The system for directly reducing air temperature by using geothermal resources in a tunnel according to claim 3, characterized in that the electric heater (46) is provided in a thermally driven refrigerator (40). 5.根据权利要求1所述的隧道内利用地热资源直接降低空气温度的系统，其特征在于：所述的热驱动式制冷机（40）为吸收式制冷机或吸附式制冷机。5 . The system for directly reducing air temperature by using geothermal resources in a tunnel according to claim 1 , wherein the heat-driven refrigerator ( 40 ) is an absorption refrigerator or an adsorption refrigerator. 6 . 6.根据权利要求1所述的隧道内利用地热资源直接降低空气温度的系统，其特征在于：所述的热驱动式制冷机（40）位于隧道内，吸气装置（43）吸收隧道内的空气提供给热驱动式制冷机（40）冷却。6. The system for directly reducing the air temperature by using geothermal resources in a tunnel according to claim 1, wherein the heat-driven refrigerator (40) is located in the tunnel, and the suction device (43) absorbs the air in the tunnel. Air is supplied to a heat driven refrigerator (40) for cooling. 7.根据权利要求1所述的隧道内利用地热资源直接降低空气温度的系统，其特征在于：所述的地热采集装置（41）位于隧道外，吸气装置（43）吸收隧道外的空气提供给热驱动式制冷机（40）冷却。7. The system for directly reducing air temperature by using geothermal resources in a tunnel according to claim 1, wherein the geothermal collecting device (41) is located outside the tunnel, and the suction device (43) absorbs the air outside the tunnel to provide Cool the heat driven refrigerator (40). 8.根据权利要求1所述的隧道内利用地热资源直接降低空气温度的系统，其特征在于：所述的地热采集装置（41）采集隧道内的地热。8. The system for directly reducing air temperature by using geothermal resources in a tunnel according to claim 1, wherein the geothermal collecting device (41) collects the geothermal in the tunnel. 9.根据权利要求1或8所述的隧道内利用地热资源直接降低空气温度的系统，其特征在于：所述的地热采集装置（41）采集隧道外竖井（47）内的地热。9 . The system for directly reducing air temperature by using geothermal resources in a tunnel according to claim 1 or 8 , wherein the geothermal collecting device ( 41 ) collects the geothermal heat in the shaft ( 47 ) outside the tunnel. 10 . 10.根据权利要求1所述的隧道内利用地热资源直接降低空气温度的系统，其特征在于：所述的热驱动式制冷机（40）利用后的地热经地热排放装置（45）排至隧道外。10. The system for directly reducing air temperature by utilizing geothermal resources in a tunnel according to claim 1, characterized in that: the geothermal used by the thermally driven refrigerator (40) is discharged to the tunnel through a geothermal discharge device (45) outside.
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CN110985081A (en) * 2019-12-25 2020-04-10 石家庄铁道大学 Thermal power generation self-temperature-balancing anchor rod and manufacturing method thereof

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CN110985081B (en) * 2019-12-25 2021-05-18 石家庄铁道大学 Thermoelectric self-regulating temperature anchor and method of making the same

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