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CN109163466A - Roadway cold-storage system and application method are discarded in a kind of underground - Google Patents

Roadway cold-storage system and application method are discarded in a kind of underground Download PDF

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Publication number
CN109163466A
CN109163466A CN201811015833.XA CN201811015833A CN109163466A CN 109163466 A CN109163466 A CN 109163466A CN 201811015833 A CN201811015833 A CN 201811015833A CN 109163466 A CN109163466 A CN 109163466A
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China
Prior art keywords
control valve
underground
heat exchange
ground
cold
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CN201811015833.XA
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CN109163466B (en
Inventor
吴学慧
陈凡
高涛
魏京胜
孙猛
岳丰田
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China University of Mining and Technology CUMT
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China University of Mining and Technology CUMT
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Priority to CN201811015833.XA priority Critical patent/CN109163466B/en
Publication of CN109163466A publication Critical patent/CN109163466A/en
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Publication of CN109163466B publication Critical patent/CN109163466B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/0034—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material
    • F28D20/0043—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material specially adapted for long-term heat storage; Underground tanks; Floating reservoirs; Pools; Ponds
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14—Thermal energy storage

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

一种地下废弃井巷储冷系统及使用方法，属废弃矿井及绿色能源开发利用领域。通过地面换热系统将冬季地面天然冷源的冷量传递给载冷介质，再由载冷介质经过换热盘管传递给地下储能系统中的储冷介质。储冷介质由砂石及少量循环水组成。系统释冷时，地下储能介质将冷量通过换热盘管传递给载冷介质，再由载冷介质将冷量传递给地面或地下用户。通过阀门的控制，可以实现蓄冷的同时供冷；地面冷源直接供地下用户使用等功能。结构简单使用方便，储存量大，效率高、不占用有效空间，充分利用矿区废弃空间及绿色能源；在冬季储冷，供地面及井下制冷降温系统全年使用。

The utility model relates to a cold storage system for underground abandoned mines and a method for using the same, belonging to the field of development and utilization of abandoned mines and green energy. Through the ground heat exchange system, the cold energy of the natural cold source on the ground in winter is transferred to the cooling medium, and then the cooling medium is transferred to the cold storage medium in the underground energy storage system through the heat exchange coil. The cold storage medium consists of sand and gravel and a small amount of circulating water. When the system releases cooling, the underground energy storage medium transfers the cooling energy to the cooling medium through the heat exchange coil, and then the cooling medium transfers the cooling energy to the ground or underground users. Through the control of the valve, cold storage can be achieved at the same time as cooling; the ground cold source can be directly used by underground users and other functions. The structure is simple and convenient to use, the storage capacity is large, the efficiency is high, and it does not occupy effective space, making full use of the waste space and green energy in the mining area; cold storage in winter, for ground and underground cooling and cooling systems throughout the year.

Description

Roadway cold-storage system and application method are discarded in a kind of underground
Technical field
The present invention designs a kind of underground and discards roadway cold-storage system and application method, belongs to abandoned mine and green energy resource exploitation Utilize field.
Background technique
Ore field exploits many places in remote suburb, mining area ground structures refrigeration and downhole cooling demand rely on substantially power consumption or Other fossil energies provide, high production cost, and environmental pressure is big.Wherein downhole cooling system is caused due to special working environment Scattered condensation heat is difficult, power consumption is high, effect is poor, structure is complicated for it；How to select suitable cold source is downhole cooling systems face Main bugbear.Exploitation, using nature green cold source be downhole cooling system preferred option, but natural cooling source generally existing season Section property problem solves the problems, such as that this conventional means is using Cool Storage Technology.Existing surface structures storage refrigeration technique is main at present Cool-storing box is set using in building interior, the cooling capacity of artificial cooling unit is stored using water or other phase-change materials, it should The disadvantages of generally existing area occupied of system is big, heat exchange efficiency is low, energy consumption is high.
Generally there is a large amount of abandoned well lane space in mining area, there is good development prospect using its energy storage.Underground storage Cooling system is bulky, and heat exchange efficiency is low if cold using the storage of the solid state mediums such as sandstone, using presence again if liquid material Reveal, flood the danger of well.Based on this, the present invention provides a kind of cold-storage system discarded in mining area and be arranged in roadway, this is Cold structures are stored up in system setting in Abandoned Tunnel, using rock and a small amount of water as cold storage material, utilize the regular reciprocation cycle of water The heat exchange efficiency of enhancing system in winter stores the cooling capacity of ground natural cooling source, for ground or underground refrigeration system Whole year uses, hardly consumption fossil energy or electricity, can effectively reduce enterprise's production cost and safe and environment-friendly pressure.
Summary of the invention
Technical problem: it is simple that shortcoming in view of the above technology provides a kind of structure, not other occupied space, using useless The barrow well underground space, it is easy to use, energy consumption is low, heat exchange efficiency is high, capacity store up in winter greatly it is cold useless for the underground that uses of whole year Abandoned well lane cold-storage system and application method.
Technical solution: to realize the above-mentioned technical purpose, roadway cold accumulation system is discarded in underground of the invention, it includes that ground is changed Hot equipment, energy-storage system and underground heat exchange equipment wherein pass through between ground heat exchange equipment, energy-storage system and underground heat exchange equipment Ground cold source water supplying pipe and ground cold source return pipe are connected with each other；
The ground heat exchange equipment is connected by two root canal roads with ground cold source water supplying pipe, and two root canals road is respectively equipped with control Valve n and control valve k is equipped with control valve o, sequence on the pipeline of control valve k between control valve n and control valve k Equipped with water circulating pump a and temperature monitoring apparatus a, ground heat exchange equipment is connected by two root canal roads with ground cold source return pipe, Two root canals road is respectively equipped with control valve l and control valve m, and control valve p is equipped between control valve l and control valve m, The exit of ground cold source return pipe is equipped with temperature monitoring apparatus b；
The energy-storage system is set in the discarded roadway underground space, and more heat exchange coils, more heat exchange are equipped in energy-storage system Energy-accumulating medium is filled between coil pipe and discarded roadway underground space wall；The both ends of more heat exchange coils pass through pipeline and depth respectively The ground cold source water supplying pipe and ground cold source return pipe for entering underground are connected with each other, and more heat exchange coils include more heat exchange coil a It is arranged alternately between more heat exchange coils b, more heat exchange coil a and Duo Zhi heat exchange coil b, quantity designs as needed；
The pipeline that heat exchange coil a is connect with ground cold source water supplying pipe is equipped with control valve a, and heat exchange coil a and ground cold source return The pipeline of water pipe connection is equipped with control valve b, and the pipeline that heat exchange coil b is connect with ground cold source water supplying pipe is equipped with control valve Door e, the pipeline that heat exchange coil b is connect with ground cold source return pipe equipped with control valve f, control valve a and control valve e it Between ground cold source water supplying pipe be equipped with control valve c, on the ground cold source return pipe between control valve b and control valve f Equipped with control valve d, circulation is also connected with by pipeline on energy-storage system；
Underground heat exchange equipment two sides pass through pipeline respectively and are connected with ground cold source water supplying pipe and ground cold source return pipe, In the pipeline that is connect with ground cold source water supplying pipe be equipped with control valve, the pipeline being connected with ground cold source return pipe is equipped with Control valve is sequentially with water circulating pump b and temperature monitoring apparatus c, underground on the pipeline between control valve and heat exchange equipment Heat exchange equipment is equipped with underground user return pipe and underground user's water supplying pipe；
The ground heat exchange equipment passes through more in ground cold source water supplying pipe and ground cold source return pipe and underground energy-accumulating system Refrigerating medium (24) is provided in heat exchange coil a to be connected by circulation；Underground heat exchange equipment passes through in pipeline and underground energy-accumulating system Refrigerating medium (24) is provided in more heat exchange coil b to be connected by circulation.
The energy-storage system is set in the discarded roadway underground space, and discarded roadway underground space surrounding is enclosed for Abandoned Tunnel Rock, wherein energy-storage system includes energy-storage system enclosed structure of the top convenient for folding, is equipped with and storage in energy-storage system enclosed structure The waterproof and thermal insulation structure layer of energy system maintenance structure matching.
The energy-storage system building enclosure is enclosure space, and along tunnel arrangement, according to the space of roadway, energy-storage system is gone along with sb. to guard him The length of structure is 1m-10000m, and the 1/2-4/5 of a height of abandoned well lane space height, width is the 1/2-2/ of abandoned well lanewidth 3。
The circulation includes water circulating pump c, and the water inlet pipe and outlet pipe of water circulating pump c passes through pipeline and storage respectively It can be connected in system maintenance structure, be respectively equipped with filter plant intake-outlet a and mistake in the two sides heat exchange coil a in energy-accumulating medium Equipment intake-outlet b, filter plant intake-outlet a and filter plant intake-outlet b are filtered by pipeline respectively with water circulating pump c's Water inlet is connected, and is respectively equipped with filter plant intake-outlet c and filter plant disengaging in the two sides heat exchange coil b in energy-accumulating medium Mouth of a river d, filter plant intake-outlet c and filter plant intake-outlet d pass through pipeline respectively and are connected with the water outlet of water circulating pump c Connect, wherein filter plant intake-outlet a and filter plant intake-outlet b about respectively with control valve g and control valve r Water inlet connection, the water outlet of control valve g are connected with the water inlet of water circulating pump c and control valve q respectively, recirculated water The water outlet of pump c is connected with the water inlet of the water outlet of control valve r and control valve h respectively, and control valve h's goes out The mouth of a river is connected with the water outlet of the pipeline and control valve q of filter plant intake-outlet c and filter plant intake-outlet d respectively It connects.
The energy-accumulating medium is made of the recirculated water of sandstone and 10-30% that volume ratio is 70-90%, and recirculated water is in recirculated water Under the cooperation for pumping c, control valve g, control valve h, control valve q and control valve r, every 10-20 hours, positive and negative circulation was cut It changes primary.
The application method of roadway cold-storage system is discarded in a kind of underground, and its step are as follows:
A. the cooling capacity of ground environment, including winter natural low temperature cooling capacity or water source low temperature cold are collected using ground heat exchange equipment Cooling capacity is passed to setting in discarded roadway by the refrigerating medium in ground cold source water supplying pipe and ground cold source return pipe by amount In the underground energy-accumulating system of down space, cooling capacity by refrigerating medium through water circulating pump a enters in underground energy-accumulating system more change Cooling capacity is stored in energy-accumulating medium by hot coil by more heat exchange coils；Control valve i, control valve j, control valve at this time Door o and control valve p is in off state；Cold completion is stored up when the reading of temperature monitoring apparatus a reaches setting value；
B. when ground is needed using cold source, user releases cold, closing control valve i, control valve to underground energy-accumulating system to the ground J, control valve k, control valve l, control valve m and control valve n；Open control valve o and control valve p, refrigerating medium (24) the heat exchange coil a and heat exchange coil b that more are arranged alternately are flowed through, cooling capacity is transmitted through terrestrial user water supplying pipe and return pipe To terrestrial user；
C. when underground is needed using cold source, underground energy-accumulating system released to underground user it is cold, closing control valve control valve k, Control valve l, control valve o and control valve p；Open control valve a, control valve b, control valve c, control valve d, control Valve e, control valve f, control valve i and control valve j processed, start water circulating pump b, and refrigerating medium (24) flows through more heat exchange Cooling capacity is passed to underground heat exchange equipment by coil pipe a, heat exchange coil b by the road, and is used by the underground that underground heat exchange equipment connects Family return pipe and underground user's water supplying pipe pass to underground user；
D. ground cold source directly feeds underground user, open control valve c, control valve d, control valve i, control valve j, Control valve o and control valve p, closes remaining all control valve, and ground cold source passes through ground cold source water supplying pipe, control valve O, control valve c, control valve i, underground heat exchange equipment, control valve j, control valve d, control valve p, ground cold source return water Pipe；Cooling capacity is directly fed into underground user in underground heat exchange equipment；
E. underground energy-accumulating system cold-storage is simultaneously released to underground user cold simultaneously, stores up cold process with step a and step b, heat exchange coil a Cool storage function is completed, cold function is released in heat exchange coil b completion, releases cold process with step b, at this time closing control valve c and control valve Door d.
Cold-storage or when releasing cold operating condition, water circulation system in energy-accumulating medium is from filter plant intake-outlet a and filter plant Intake-outlet b water suction, flows through control valve g, water circulating pump c, control valve h, from filter plant intake-outlet c, filter plant Intake-outlet d water outlet；Control valve q and control valve r is closed at this time；Run closing control valve g and control after a certain period of time Valve h, opens control valve q and control valve r, and water circulation system is from filter plant intake-outlet c and filter plant Inlet and outlet water Mouth d water suction, flows through control valve q, water circulating pump c, control valve r, from filter plant intake-outlet a and filter plant Inlet and outlet water Mouth b water outlet.
The utility model has the advantages that one, by the way that energy-storage system is arranged in discarded roadway, make full use of underground discard space, storage is cold Amount is big, is not take up ground, the useful space in underground；Two, directly the cooling capacity of natural cooling source is stored, realize winter storage it is cold, The four seasons available purpose, storage process seldom consumes other energy, environmentally protective；Three, use sandstone cold as storing up with a small amount of water Medium, it is at low cost and environmentally friendly；Four, using the circulation of water a small amount of in energy-accumulating medium, the heat exchange efficiency of cold-storage system is improved, is reduced The runing time and economic cost of the cold process of storage；Five, to prevent the runner of recirculated water from blocking, circulation is controlled in valve Under the periodically reciprocal flowing in cold storage material；Six, system winter can realize that Chu Lengyu is released cold while being run, can also be directly by ground Natural cold quantity pass to underground user use, seven, present system it is simple, be easy to build, easy to operate, effect is obvious.
Detailed description of the invention
Fig. 1 is that roadway cold-storage system structural schematic diagram is discarded in underground of the invention:
Fig. 2 is that roadway cold-storage system schematic diagram is discarded in underground of the invention；
Fig. 3 is that energy-storage system tunnel cross-sectional configuration figure is discarded in underground of the invention.
In figure: the ground 1- heat exchange equipment, 2- underground energy-accumulating system, 3- underground heat exchange equipment, the control of 4- control valve a, 5- Valve b, 6- control valve c, 7- control valve d, 8- control valve e, 9- control valve f, 10- control valve g, 11- control valve Door h, 12- control valve i, 13- control valve j, 16- control valve k, 17- control valve l, 18- control valve m, 19- control Valve n, 22- control valve o, 23- control valve p, 38- control valve q, 39- control valve r；The underground 14- user's return pipe； The underground 15- user's water supplying pipe；The ground 20- cold source water supplying pipe；The ground 21- cold source return pipe；24- refrigerating medium；25- recirculated water Pump a, 26- water circulating pump b, 37- water circulating pump c；27- energy-storage system building enclosure；28- waterproof, insulation construction layer；29- heat exchange Coil pipe a；30- Abandoned Tunnel country rock；31- energy-accumulating medium, 32- discard the roadway underground space；33- heat exchange coil b；34- temperature prison Control equipment a, 35- temperature monitoring apparatus b, 36- temperature monitoring apparatus c；40- filter plant intake-outlet a, 41- filter plant into Water outlet b, 42- filter plant intake-outlet c, 43- filter plant intake-outlet d.
Specific embodiment
The embodiment of the present invention is described further with reference to the accompanying drawing:
As shown in Figure 1, roadway cold accumulation system, including ground heat exchange equipment 1, energy-storage system 2 and underground are discarded in underground of the invention Heat exchange equipment 3 wherein passes through ground cold source water supplying pipe 20 between ground heat exchange equipment 1, energy-storage system 2 and underground heat exchange equipment 3 It is connected with each other with ground cold source return pipe 21；The energy-storage system 2 is set in the discarded roadway underground space 32, with discarding roadway 32 surrounding of down space is Abandoned Tunnel country rock 30, and wherein energy-storage system 2 includes energy-storage system enclosed structure of the top convenient for folding 27, it is equipped in energy-storage system enclosed structure 27 and the matched waterproof and thermal insulation structure layer 28 of energy-storage system enclosed structure 27；The storage Energy system building enclosure 27 is enclosure space, along tunnel arrangement, according to the space of roadway, the length of energy-storage system building enclosure 27 For 1m-10000m, the 1/2-4/5 of a height of 32 height of abandoned well lane space, width is the 1/2-2/3 of abandoned well lanewidth；
The ground heat exchange equipment 1 is connected by two root canal roads with ground cold source water supplying pipe 20, and two root canals road is respectively equipped with Control valve n19 and control valve k16 is equipped with control valve o22, control valve between control valve n19 and control valve k16 Water circulating pump a25 and temperature monitoring apparatus a34 are sequentially on the pipeline of k16, ground heat exchange equipment 1 passes through two root canal roads and ground Face cold source return pipe 21 is connected, and two root canals road is respectively equipped with control valve l17 and control valve m18, control valve l17 with Control valve p23 is equipped between control valve m18, the exit of ground cold source return pipe 21 is equipped with temperature monitoring apparatus b35；
As shown in Figures 2 and 3, the energy-storage system 2 is set in the discarded roadway underground space 32, is equipped in energy-storage system 2 more Branch heat exchange coil is filled with energy-accumulating medium 31 between more heat exchange coils and discarded 32 wall of the roadway underground space；More heat exchange plates The both ends of pipe pass through pipeline and in depth lower ground cold source water supplying pipe 20 and the interconnection of ground cold source return pipe 21 respectively, more Branch heat exchange coil includes more heat exchange coil a29 and Duo Zhi heat exchange coil b33, more heat exchange coil a29 and Duo Zhi heat exchange coils It is arranged alternately between b33, quantity designs as needed；
The pipeline that heat exchange coil a29 is connect with ground cold source water supplying pipe 20 is equipped with control valve a4, heat exchange coil a29 and ground The pipeline that cold source return pipe 21 connects is equipped with control valve b5, the pipe that heat exchange coil b33 is connect with ground cold source water supplying pipe 20 Road is equipped with control valve e8, and the pipeline that heat exchange coil b33 is connect with ground cold source return pipe 21 is equipped with control valve f9, control Ground cold source water supplying pipe 20 between valve a4 and control valve e8 processed is equipped with control valve c6, control valve b5 and control valve Ground cold source return pipe 21 between door f9 is equipped with control valve d7, is also connected with recirculated water by pipeline on energy-storage system 2 System；
3 two sides of underground heat exchange equipment pass through pipeline respectively and are connected with ground cold source water supplying pipe 20 and ground cold source return pipe 21 It connects, wherein the pipeline connecting with ground cold source water supplying pipe 20 is equipped with control valve 12, is connected with ground cold source return pipe 21 Pipeline be equipped with control valve 13, be sequentially on the pipeline between control valve 13 and heat exchange equipment 3 water circulating pump b26 and Temperature monitoring apparatus c36, underground heat exchange equipment 3 are equipped with underground user return pipe 14 and underground user's water supplying pipe 15；
The ground heat exchange equipment 1 passes through in ground cold source water supplying pipe 20 and ground cold source return pipe 21 and underground energy-accumulating system 2 More heat exchange coil a29 in be provided with refrigerating medium 24 and be connected by circulation；Underground heat exchange equipment 3 passes through pipeline and underground energy-accumulating system Refrigerating medium 24 is provided in more heat exchange coil b33 in system 2 to be connected by circulation；
The circulation includes water circulating pump c37, and the water inlet pipe and outlet pipe of water circulating pump c37 passes through pipeline and storage respectively It can be connected in system maintenance structure 27, be respectively equipped with filter plant Inlet and outlet water in the two sides heat exchange coil a29 in energy-accumulating medium 31 Mouth a40 and filter plant intake-outlet b41, filter plant intake-outlet a40 and filter plant intake-outlet b41 pass through pipeline point Be not connected with the water inlet of water circulating pump c37, in energy-accumulating medium 31 the two sides heat exchange coil b33 be respectively equipped with filter plant into Water outlet c42 and filter plant intake-outlet d43, filter plant intake-outlet c42 and filter plant intake-outlet d43 lead to respectively It crosses pipeline to be connected with the water outlet of water circulating pump c37, wherein filter plant intake-outlet a40 and filter plant intake-outlet B41 about being connect respectively with control valve g10 with the water inlet of control valve r39, the water outlet of control valve g10 respectively with The water inlet of water circulating pump c37 and control valve q38 are connected, the water outlet of water circulating pump c37 respectively with control valve r39 Water outlet and the water inlet of control valve h11 be connected, the water outlet of control valve h11 is passed in and out with filter plant respectively Mouth of a river c42 is connected with the water outlet of the pipeline of filter plant intake-outlet d43 and control valve q38, the energy-accumulating medium 31 are made of the sandstone that volume ratio is 70-90% and the recirculated water of 10-30%, recirculated water water circulating pump c37, control valve g10, It is primary every 10-20 hours positive and negative cyclic switchings under the cooperation of control valve h11, control valve q38 and control valve r39.
The application method of roadway cold-storage system is discarded in a kind of underground, and its step are as follows:
A. the cooling capacity of ground environment, including winter natural low temperature cooling capacity or water source low temperature cold are collected using ground heat exchange equipment 1 Cooling capacity is passed to setting discarded by the refrigerating medium 24 in ground cold source water supplying pipe 20 and ground cold source return pipe 21 by amount In the underground energy-accumulating system 2 of the roadway underground space, cooling capacity enters underground energy-accumulating system through water circulating pump a25 by refrigerating medium 24 Cooling capacity is stored in energy-accumulating medium 31 by more heat exchange coils in 2 by more heat exchange coils；Control valve i12, control at this time Valve j13, control valve o22 and control valve p23 processed are in off state；When the reading of temperature monitoring apparatus a34 reaches setting Cold completion is stored up when value；
B. when ground is needed using cold source, user releases cold, closing control valve i12, control valve to underground energy-accumulating system 2 to the ground Door j13, control valve k16, control valve l17, control valve m18 and control valve n19；Open control valve o22 and control Valve p23, refrigerating medium 24 flows through the heat exchange coil a29 and heat exchange coil b33 that more are arranged alternately, by cooling capacity through terrestrial user Water supplying pipe 21 and return pipe 20 pass to terrestrial user；
C. when underground is needed using cold source, underground energy-accumulating system 2 releases cold, closing control valve control valve to underground user K16, control valve l17, control valve o22 and control valve p23；Open control valve a4, control valve b5, control valve C6, control valve d7, control valve e8, control valve f9, control valve i12 and control valve j13 start water circulating pump b26, Refrigerating medium 24 flows through more heat exchange coil a29, cooling capacity is passed to underground heat exchange equipment 3 by the road, and led to by heat exchange coil b33 The underground user's return pipe 14 and underground user's water supplying pipe 15 for crossing the connection of underground heat exchange equipment 3 pass to underground user；
D. ground cold source directly feeds underground user, opens control valve c6, control valve d7, control valve i12, control valve Door j13, control valve o22 and control valve p23, close remaining all control valve, ground cold source is supplied water by ground cold source Pipe 20, control valve o22, control valve c6, control valve i12, underground heat exchange equipment 3, control valve j13, control valve d7, Control valve p23, ground cold source return pipe 21；Cooling capacity is directly fed into underground user in underground heat exchange equipment 3；
E. 2 cold-storage of underground energy-accumulating system is simultaneously released to underground user cold simultaneously, stores up cold process with step a and step b, heat exchange coil A29 completes cool storage function, and cold function is released in heat exchange coil b33 completion, releases cold process with step b, at this time closing control valve c6 and Control valve d7.
System cold-storage or when releasing cold operating condition, water circulation system in energy-accumulating medium is from filter plant intake-outlet a40 and mistake Equipment intake-outlet b41 water suction is filtered, control valve g10, water circulating pump c37, control valve h11 are flowed through, is passed in and out from filter plant Mouth of a river c42, filter plant intake-outlet d43 water outlet；Control valve q38 and control valve r39 is closed at this time；Run certain time Afterwards, closing control valve g10 and control valve h11, opens control valve q38 and control valve r39, and water circulation system is from filtering Equipment intake-outlet c42 and filter plant intake-outlet d43 water suction, flows through control valve q38, water circulating pump c37, control valve R39 is discharged from filter plant intake-outlet a40 and filter plant intake-outlet b41.
Underground energy-accumulating system is set in discarded roadway, by outer enclosed structure, energy-accumulating medium, heat exchange coil, refrigerating medium, The compositions such as connecting pipe, water pump and valve are constituted.Outer enclosed structure is set as the concrete structure with waterproof, heat insulation function.Storage Energy medium is set within outer enclosed structure, and heat exchange coil is embedded within energy-accumulating medium, heat exchange coil and other heat-exchange systems It is connected by pipeline, refrigerating medium is full of in pipeline.The heat exchange between energy-accumulating medium and refrigerating medium is completed in operational process.Storage Can medium be mainly discarded sandstone and a small amount of water composition that tunnelling generates, the water in heat transfer process in energy-accumulating medium is via following Ring pump, which is plied, to be circulated, and is prevented runner blocking, is improved the heat exchange efficiency between heat exchange coil and energy-accumulating medium.
Underground heat exchange system is mainly made of underground heat exchange equipment, refrigerating medium, connecting pipe, water pump and valve, mainly Complete the heat exchange between underground user and refrigerating medium.
1) when charging, cold source is provided for underground energy-accumulating system by ground heat-exchange system, when refrigerating medium flows through ground Ground cold source is transferred heat to when heat exchange equipment, and (ground cold source is natural cold source, such as: winter outdoor air, river, river, lake, sea Water etc.), temperature reduces, and passes through underground energy-accumulating system, and temperature increases, and so circulation is until energy storage Jie in underground energy-accumulating system Matter temperature reaches design value.
2) it releases under cold operating condition, cooling capacity is passed to the refrigerating medium in pipeline by energy-storage system, and refrigerating medium temperature reduces, warp Water pump circulates, and when flowing through ground heat exchange or underground heat exchange equipment, cooling capacity is passed to connection ground or underground by refrigerating medium The user of heat exchange equipment can also increase directly through ground or underground user, temperature, then pass through underground energy-accumulating system temperature Height is reduced again, and such circular flow, which reaches, releases cold purpose.

Claims (7)

1.一种地下废弃井巷蓄冷系统，其特征在于：它包括地面换热设备（1）、储能系统（2）和地下换热设备（3），其中地面换热设备（1）、储能系统（2）和地下换热设备（3）之间通过地面冷源供水管（20）和地面冷源回水管（21）相互连接；1. A cold storage system for underground abandoned wells, characterized in that: it comprises ground heat exchange equipment (1), energy storage system (2) and underground heat exchange equipment (3), wherein the ground heat exchange equipment (1), storage The energy system (2) and the underground heat exchange equipment (3) are connected to each other through the ground cold source water supply pipe (20) and the ground cold source return pipe (21); 所述地面换热设备（1）通过两根管路与地面冷源供水管（20）相连接，两根管路上分别设有控制阀门n（19）和控制阀门k（16），控制阀门n（19）与控制阀门k（16）之间设有控制阀门o（22），控制阀门k（16）的管路上顺序设有循环水泵a（25）和温度监控设备a（34），地面换热设备（1）通过两根管路与地面冷源回水管（21）相连接，两根管路上分别设有控制阀门l（17）和控制阀门m（18），控制阀门l（17）与控制阀门m（18）之间设有控制阀门p（23），地面冷源回水管（21）的出口处设有温度监控设备b（35）；The ground heat exchange equipment (1) is connected with the ground cold source water supply pipe (20) through two pipelines, and the two pipelines are respectively provided with a control valve n (19) and a control valve k (16), and the control valve n (19) There is a control valve o (22) between the control valve k (16), and the pipeline of the control valve k (16) is sequentially provided with a circulating water pump a (25) and a temperature monitoring device a (34). The heating equipment (1) is connected to the ground cold source return water pipe (21) through two pipelines. The two pipelines are respectively provided with a control valve l (17) and a control valve m (18), and the control valve l (17) and the A control valve p (23) is provided between the control valves m (18), and a temperature monitoring device b (35) is provided at the outlet of the ground cold source return pipe (21); 所述储能系统（2）设置于废弃井巷地下空间（32）内，储能系统（2）内设有多支换热盘管，多支换热盘管与废弃井巷地下空间（32）壁之间填充有储能介质（31）；多支换热盘管的两端分别通过管路与深入地下的地面冷源供水管（20）和地面冷源回水管（21）相互连接，多支换热盘管包括多支换热盘管a（29）和多支换热盘管b（33），多支换热盘管a（29）和多支换热盘管b（33）之间交替设置，数量根据需要设计；The energy storage system (2) is arranged in the underground space (32) of the abandoned shaft, and the energy storage system (2) is provided with multiple heat exchange coils, which are connected to the underground space (32) of the abandoned shaft. ) walls are filled with an energy storage medium (31); the two ends of the multiple heat exchange coils are respectively connected with the ground cold source water supply pipe (20) and the ground cold source return water pipe (21) deep into the ground through pipelines. The multiple heat exchange coils include multiple heat exchange coils a (29) and multiple heat exchange coils b (33), multiple heat exchange coils a (29) and multiple heat exchange coils b (33) Alternately set between them, and the quantity is designed according to the needs; 换热盘管a（29）与地面冷源供水管（20）连接的管路上设有控制阀门a（4），换热盘管a（29）与地面冷源回水管（21）连接的管路上设有控制阀门b（5），换热盘管b（33）与地面冷源供水管（20）连接的管路上设有控制阀门e（8），换热盘管b（33）与地面冷源回水管（21）连接的管路上设有控制阀门f（9），控制阀门a（4）与控制阀门e（8）之间的地面冷源供水管（20）上设有控制阀门c（6），控制阀门b（5）与控制阀门f（9）之间的地面冷源回水管（21）上设有控制阀门d（7），储能系统（2）上通过管路还连接有循环水系统；A control valve a (4) is provided on the pipeline connecting the heat exchange coil a (29) with the ground cold source water supply pipe (20), and the pipe connecting the heat exchange coil a (29) with the ground cold source return pipe (21) There is a control valve b (5) on the road, a control valve e (8) is installed on the pipeline connecting the heat exchange coil b (33) and the ground cold source water supply pipe (20), and the heat exchange coil b (33) is connected to the ground. A control valve f (9) is provided on the pipeline connected to the cold source return pipe (21), and a control valve c is provided on the ground cold source water supply pipe (20) between the control valve a (4) and the control valve e (8). (6), a control valve d (7) is provided on the ground cold source return pipe (21) between the control valve b (5) and the control valve f (9), and the energy storage system (2) is also connected through a pipeline There is a circulating water system; 所述地下换热设备（3）两侧分别通过管路与地面冷源供水管（20）和地面冷源回水管（21）相连接，其中与地面冷源供水管（20）连接的管路上设有控制阀门（12），与地面冷源回水管（21）相连接的管路上设有控制阀门（13），控制阀门（13）与换热设备（3）之间的管路上顺序设有循环水泵b（26）和温度监控设备c（36），地下换热设备（3）设有地下用户回水管（14）和地下用户供水管（15）；The two sides of the underground heat exchange equipment (3) are respectively connected to the ground cold source water supply pipe (20) and the ground cold source return water pipe (21) through pipelines, wherein the pipeline connected to the ground cold source water supply pipe (20) is on the A control valve (12) is provided, a control valve (13) is provided on the pipeline connected to the ground cold source return pipe (21), and the pipeline between the control valve (13) and the heat exchange equipment (3) is sequentially provided with The circulating water pump b (26) and the temperature monitoring equipment c (36), and the underground heat exchange equipment (3) are provided with an underground user return pipe (14) and an underground user water supply pipe (15); 所述地面换热设备（1）通过地面冷源供水管（20）和地面冷源回水管（21）与地下储能系统（2）中的多支换热盘管a（29）中设置有载冷介质（24）循环连接；地下换热设备（3）通过管路与地下储能系统（2）中的多支换热盘管b（33）中设置有载冷介质（24）循环连接。The ground heat exchange equipment (1) is provided with a plurality of heat exchange coils a (29) in the underground energy storage system (2) through the ground cold source water supply pipe (20) and the ground cold source return pipe (21). The cooling medium (24) is cyclically connected; the underground heat exchange equipment (3) is cyclically connected with the multi-branch heat exchange coil b (33) in the underground energy storage system (2) through pipelines. . 2.根据权利要求1所述的地下废弃井巷蓄冷系统，其特征在于：所述储能系统（2）设置于废弃井巷地下空间（32）内，废弃井巷地下空间（32）四周为废弃巷道围岩（30），其中储能系统（2）包括顶部便于开合的储能系统维护结构（27），储能系统维护结构（27）内设有与储能系统维护结构（27）匹配的防水保温结构层（28）。2. The cold storage system for underground abandoned wells and lanes according to claim 1, characterized in that: the energy storage system (2) is arranged in the underground space (32) of the abandoned wells and lanes, and the underground space (32) of the abandoned wells and lanes is surrounded by Abandoned roadway surrounding rock (30), wherein the energy storage system (2) includes an energy storage system maintenance structure (27) whose top is easy to open and close, and the energy storage system maintenance structure (27) is provided with an energy storage system maintenance structure (27) A matching waterproof and insulating structural layer (28). 3.根据权利要求2所述的地下废弃井巷蓄冷系统，其特征在于：所述储能系统围护结构（27）为封闭空间，沿井巷布置，根据井巷的空间，储能系统围护结构（27）的长度为1m-10000m，高为废弃井巷空间（32）高度的1/2-4/5，宽度为废弃井巷宽的1/2-2/3。3. The cold storage system for underground abandoned wells and lanes according to claim 2, characterized in that: the enclosure structure (27) of the energy storage system is a closed space, arranged along the well lanes, and according to the space of the well lanes, the energy storage system enclosure The length of the protective structure (27) is 1m-10000m, the height is 1/2-4/5 of the height of the abandoned well lane space (32), and the width is 1/2-2/3 of the width of the abandoned well lane. 4.根据权利要求1所述的地下废弃井巷蓄冷系统，其特征在于：所述循环水系统包括循环水泵c（37），循环水泵c（37）的进水管和出水管分别通过管路与储能系统维护结构（27）内相连接，储能介质（31）中在换热盘管a（29）两侧分别设有过滤设备进出水口a（40）和过滤设备进出水口b（41），过滤设备进出水口a（40）和过滤设备进出水口b（41）通过管路分别与循环水泵c（37）的入水口相连接，储能介质（31）中在换热盘管b（33）两侧分别设有过滤设备进出水口c（42）和过滤设备进出水口d（43），过滤设备进出水口c（42）和过滤设备进出水口d（43）分别通过管路与循环水泵c（37）的出水口相连接，其中过滤设备进出水口a（40）和过滤设备进出水口b（41）的关于分别与控制阀门g（10）与控制阀门r（39）的入水口连接，控制阀门g（10）的出水口分别与循环水泵c（37）以及控制阀门q（38）的入水口相连接，循环水泵c（37）的出水口分别与控制阀门r（39）的出水口以及控制阀门h（11）的入水口相连接，控制阀门h（11）的的出水口分别与过滤设备进出水口c（42）和过滤设备进出水口d（43）的管路以及控制阀门q（38）的出水口相连接。4. The cold storage system for underground abandoned wells according to claim 1, wherein the circulating water system comprises a circulating water pump c (37), and the water inlet pipe and the water outlet pipe of the circulating water pump c (37) are connected to the The energy storage system maintenance structure (27) is internally connected, and the energy storage medium (31) is provided with a filter equipment water inlet and outlet a (40) and a filter equipment water inlet and outlet b (41) on both sides of the heat exchange coil a (29). , the water inlet and outlet a (40) of the filtering equipment and the water inlet and outlet b (41) of the filtering equipment are respectively connected with the water inlet of the circulating water pump c (37) through pipelines. ) are respectively provided with the water inlet and outlet c (42) of the filtering equipment and the water inlet and outlet d (43) of the filtering equipment. 37) is connected to the water outlet, wherein the water inlet and outlet of the filter equipment a (40) and the water inlet and outlet b (41) of the filter equipment are respectively connected with the water inlets of the control valve g (10) and the control valve r (39), and the control valve The water outlet of g (10) is respectively connected with the water inlet of the circulating water pump c (37) and the control valve q (38). The water outlet of the circulating water pump c (37) is respectively connected with the water outlet of the control valve r (39) and the control valve The water inlet of the valve h (11) is connected, and the water outlet of the control valve h (11) is respectively connected with the pipeline of the filter equipment water inlet and outlet c (42) and the filter equipment water inlet and outlet d (43) and the control valve q (38) connected to the water outlet. 5.根据权利要求4所述的地下废弃井巷蓄冷系统，其特征在于：所述储能介质（31）由体积比为70-90%的砂石与10-30%的循环水组成，循环水在循环水泵c（37）、控制阀门g（10）、控制阀门h（11）、控制阀门q（38）和控制阀门r（39）的配合下，每隔10-20小时正、反循环切换一次。5 . The cold storage system for underground abandoned wells according to claim 4 , wherein the energy storage medium ( 31 ) is composed of sand and gravel with a volume ratio of 70-90% and circulating water with a volume ratio of 10-30%. 5 . With the cooperation of the circulating water pump c (37), the control valve g (10), the control valve h (11), the control valve q (38) and the control valve r (39), the water circulates forward and reverse every 10-20 hours Switch once. 6.一种使用权利要要求1所述地下废弃井巷储冷系统的地下废弃井巷储冷系统的使用方法，其特征在于步骤如下：6. a using method of the underground abandoned well and roadway cold storage system using the described underground abandoned well roadway cold storage system of claim 1, is characterized in that the steps are as follows: a. 利用地面换热设备（1）收集地面环境的冷量，包括冬季自然低温冷量或者水源低温冷量，通过地面冷源供水管（20）和地面冷源回水管（21）中的载冷介质（24）将冷量传递给设置在废弃井巷地下空间的地下储能系统（2）中，冷量通过载冷介质（24）经循环水泵a（25）进入地下储能系统（2）中的多支换热盘管，通过多支换热盘管将冷量存储在储能介质（31）中；此时控制阀门i（12）、控制阀门j（13）、控制阀门o（22）和控制阀门p（23）为关闭状态；当温度监控设备a（34）的读数达到设定值时储冷完成；a. Use the ground heat exchange equipment (1) to collect the cooling capacity of the ground environment, including the natural low temperature cooling capacity in winter or the low temperature cooling capacity of the water source, through the load in the ground cold source water supply pipe (20) and the ground cold source return water pipe (21). The cold medium (24) transfers the cold energy to the underground energy storage system (2) set in the underground space of the abandoned wells, and the cold energy enters the underground energy storage system (2) through the cooling medium (24) through the circulating pump a (25). ), the cold energy is stored in the energy storage medium (31) through the multiple heat exchange coils; at this time, the control valve i (12), the control valve j (13), the control valve o ( 22) and the control valve p (23) are closed; when the reading of the temperature monitoring device a (34) reaches the set value, the cold storage is completed; b.当地面需要使用冷源时，地下储能系统（2）向地面用户释冷，关闭控制阀门i（12）、控制阀门j（13）、控制阀门k（16）、控制阀门l（17）、控制阀门m（18）和控制阀门n（19）；打开控制阀门o（22）和控制阀门p（23），载冷介质（24）流经多支交替设置的换热盘管a（29）和换热盘管b（33），将冷量经地面用户供水管（21）与回水管（20）传递给地面用户；b. When the ground needs to use a cold source, the underground energy storage system (2) releases the cold to the ground users, and closes the control valve i (12), control valve j (13), control valve k (16), control valve l (17) ), control valve m (18) and control valve n (19); open control valve o (22) and control valve p (23), the cooling medium (24) flows through multiple alternately arranged heat exchange coils a ( 29) and the heat exchange coil b (33), to transfer the cold energy to the ground user through the ground user water supply pipe (21) and the return water pipe (20); c. 当地下需要使用冷源时，地下储能系统（2）向地下用户释冷，关闭控制阀门控制阀门k（16）、控制阀门l（17），控制阀门o（22）和控制阀门p（23）；打开控制阀门a（4）、控制阀门b（5）、控制阀门c（6）、控制阀门d（7）、控制阀门e（8）、控制阀门f（9）、控制阀门i（12）和控制阀门j（13），启动循环水泵b（26），载冷介质（24）流经多支换热盘管a（29）、换热盘管b（33）将冷量经管路传递给地下换热设备（3），并通过地下换热设备（3）连接的地下用户回水管（14）和地下用户供水管（15）传递给地下用户；c. When the cold source needs to be used underground, the underground energy storage system (2) releases the cold to the underground users, closes the control valve control valve k (16), control valve l (17), control valve o (22) and control valve p (23); open control valve a (4), control valve b (5), control valve c (6), control valve d (7), control valve e (8), control valve f (9), control valve i (12) and the control valve j (13), start the circulating water pump b (26), and the cooling medium (24) flows through the multiple heat exchange coils a (29) and the heat exchange coils b (33) to pass the cooling capacity through the pipes. The circuit is transmitted to the underground heat exchange equipment (3), and is transmitted to the underground user through the underground user return pipe (14) and the underground user water supply pipe (15) connected to the underground heat exchange equipment (3); d. 地面冷源直接供给地下用户，打开控制阀门c（6）、控制阀门d（7）、控制阀门i（12）、控制阀门j（13）、控制阀门o（22）和控制阀门p（23），关闭其余所有控制阀门，地面冷源通过地面冷源供水管（20）、控制阀门o（22）、控制阀门c（6）、控制阀门i（12）、地下换热设备（3）、控制阀门j（13）、控制阀门d（7）、控制阀门p（23）、地面冷源回水管（21）；在地下换热设备（3）内将冷量直接供给地下用户；d. The ground cold source is directly supplied to underground users, and the control valve c (6), control valve d (7), control valve i (12), control valve j (13), control valve o (22) and control valve p ( 23), close all other control valves, and the ground cooling source passes through the ground cooling source water supply pipe (20), control valve o (22), control valve c (6), control valve i (12), and underground heat exchange equipment (3) , control valve j (13), control valve d (7), control valve p (23), ground cold source return pipe (21); supply cold energy directly to underground users in underground heat exchange equipment (3); e. 地下储能系统（2）蓄冷并同时向地下用户释冷，储冷过程同步骤a和步骤b，换热盘管a（29）完成蓄冷功能，换热盘管b（33）完成释冷功能，释冷过程同步骤b，此时关闭控制阀门c（6）和控制阀门d（7）。e. The underground energy storage system (2) stores cold and releases cold to underground users at the same time. The cold storage process is the same as steps a and b. The heat exchange coil a (29) completes the cold storage function, and the heat exchange coil b (33) completes the release Cooling function, the cooling release process is the same as step b, and the control valve c (6) and the control valve d (7) are closed at this time. 7.根据权利要求6所述的地下废弃井巷蓄冷系统的使用方法，其特征在于：系统蓄冷或释冷工况时，储能介质中的水循环系统从过滤设备进出水口a（40）和过滤设备进出水口b（41）吸水，流经控制阀门g（10）、循环水泵c（37）、控制阀门h（11），从过滤设备进出水口c（42）、过滤设备进出水口d（43）出水；此时控制阀门q（38）和控制阀门r（39）关闭；运行一定时间后，关闭控制阀门g（10）和控制阀门h（11），打开控制阀门q（38）和控制阀门r（39），水循环系统从过滤设备进出水口c（42）和过滤设备进出水口d（43）吸水，流经控制阀门q（38）、循环水泵c（37）、控制阀门r（39），从过滤设备进出水口a（40）和过滤设备进出水口b（41）出水。7. The method of using the cold storage system for underground abandoned wells according to claim 6, characterized in that: when the system is under cold storage or cold release conditions, the water circulation system in the energy storage medium flows from the inlet and outlet a (40) of the filter equipment and the filter The water inlet and outlet b (41) of the equipment absorb water, flow through the control valve g (10), the circulating water pump c (37), and the control valve h (11), from the water inlet and outlet c (42) of the filtering equipment, and the water inlet and outlet d (43) of the filtering equipment. Water exits; at this time, the control valve q (38) and the control valve r (39) are closed; after running for a certain period of time, the control valve g (10) and the control valve h (11) are closed, and the control valve q (38) and the control valve r are opened. (39), the water circulation system absorbs water from the water inlet and outlet c (42) of the filter equipment and the water inlet and outlet d (43) of the filter equipment, and flows through the control valve q (38), the circulating water pump c (37), and the control valve r (39), from The water inlet and outlet a (40) of the filtering device and the water inlet and outlet b (41) of the filtering device discharge water.
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CN102563777A (en) * 2010-12-31 2012-07-11 中国石油天然气集团公司 System for collecting cold energy of liquefied natural gas in drilling team
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