CN110107335A - The big temperature difference cooling of well up and down Heshui ring type, heating system - Google Patents
The big temperature difference cooling of well up and down Heshui ring type, heating system Download PDFInfo
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- CN110107335A CN110107335A CN201910514010.XA CN201910514010A CN110107335A CN 110107335 A CN110107335 A CN 110107335A CN 201910514010 A CN201910514010 A CN 201910514010A CN 110107335 A CN110107335 A CN 110107335A
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- 238000001816 cooling Methods 0.000 title claims abstract description 102
- 238000010438 heat treatment Methods 0.000 title claims abstract description 68
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 68
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 33
- 239000000498 cooling water Substances 0.000 claims description 19
- 230000008901 benefit Effects 0.000 abstract description 8
- 239000002699 waste material Substances 0.000 abstract description 5
- 235000019628 coolness Nutrition 0.000 abstract 1
- 238000007710 freezing Methods 0.000 description 6
- 230000008014 freezing Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 125000004122 cyclic group Chemical group 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000002528 anti-freeze Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002595 cold damage Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/18—Hot-water central heating systems using heat pumps
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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)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The present invention provides a kind of big temperature difference coolings of well up and down Heshui ring type, heating system, it is related to the technical field of underground thermal pollution to administer and heating, including the first ground circulatory system, underground high-low pressure heat exchanger, the underground circulatory system, underground heat pump unit and underground air inlet mechanism；It can be by the heat input of collection to underground heat pump unit when in underground, the circulatory system cools down air, after further the ground circulatory system completes repeatedly heat exchange by underground high-low pressure heat exchanger and the underground circulatory system and underground heat pump unit, the thermal energy of underground can be more fully delivered on ground, the temperature difference range that can be realized is 38-41 DEG C, the refrigerating loss of water return pipeline can be eliminated indirectly, it is small to alleviate the temperature difference existing in the prior art that can be utilized, it results in waste of resources, technical problem at high cost, it is low to realize integrated operation expense, it is environmentally friendly, the pollution to environment can be effectively reduced, economic benefit and social benefit after popularization and use is prominent.
Description
Technical field
The present invention relates to underground thermal pollution to administer and heating technology fields, big more particularly, to a kind of well up and down Heshui ring type
Temperature difference cooling, heating system.
Background technique
For deep mining mine, the demand in terms of cooling and heating was respectively as follows: for 1. downhole cooling demand (summers
Or annual)；2. surface structures cool down demand (summer)；3. ground equipment demand (winter)；4. surface structures heating demand
(winter)；5. ground bath hot water demand for heat (whole year).
Solution in the prior art is that downhole cooling and ground cooling and floor heating invest individual system respectively
System, independent operating lead to the waste of resource；In addition, existing down-hole cooling system, chilled water side supply and return water temperature difference
It is 3 DEG C/18 DEG C, effectively conveying the temperature difference is 15 DEG C, it is contemplated that utilizes the temperature difference at 12 DEG C for the refrigerating loss of water return pipeline is practical on the way
Left and right, the temperature difference that existing down-hole cooling system is utilized is small, in order to preferably make full use of mine well
Under thermal energy, then need bigger pipeline to directly transport, more quantity of circulating water, bigger water circulating pump electrical power is caused into
This is big, utilizes the small technical problem of thermal energy.
Summary of the invention
It is existing to alleviate the purpose of the present invention is to provide a kind of big temperature difference cooling of well up and down Heshui ring type, heating system
Have that the temperature difference that can be utilized present in technology is small, results in waste of resources, technical problem at high cost.
A kind of big temperature difference cooling of well up and down Heshui ring type provided by the invention, heating system, be applied to mine cooling,
The circulatory system of face cooling and floor heating, comprising: the first ground circulatory system, underground high-low pressure heat exchanger, underground cyclic system
System, underground heat pump unit and underground air inlet mechanism；
The underground air inlet mechanism is connected to the underground circulatory system, and the underground circulatory system is used for the sky to entrance
Gas is sent into working face in the pit after carrying out cooling；
The underground high-low pressure heat exchanger is connected to the underground circulatory system, is flowed out through the underground high-low pressure heat exchanger
The first heat transferring medium and the underground circulatory system carry out for the first time heat exchange heat up；The underground circulatory system also passes through described
Underground heat pump unit is connected to the underground high-low pressure heat exchanger, through the underground circulatory system outflow the first heat transferring medium with
The underground heat pump unit carries out second of heat exchange heating so that the first heat transferring medium after exchanging heat twice be back to it is described
Underground high-low pressure heat exchanger；
First ground circulatory system is connected to the underground high-low pressure heat exchanger, the first ground circulatory system stream
The second heat transferring medium out can exchange heat with the first heat transferring medium of the underground high-low pressure heat exchanger, to reduce the well
First heat exchange medium temperature of lower high-low pressure heat exchanger, after the second heat transferring medium heat exchange of first ground circulatory system outflow
The temperature difference range be 38-41 DEG C.
It further include well head aerial cooler in preferred embodiments of the present invention；
The well head aerial cooler is set in the underground air inlet mechanism, the well head aerial cooler be used for into
The air for entering the underground circulatory system exchanges heat.
In preferred embodiments of the present invention, first ground circulatory system is connected to the well head aerial cooler,
The connecting line of first ground circulatory system and the well head aerial cooler is provided with the first valve and the second valve, institute
It states the first valve and the second valve can control first ground circulatory system and the well head aerial cooler connects on-off
It opens, first ground circulatory system can exchange heat with the well head aerial cooler.
It further include the second ground circulatory system in preferred embodiments of the present invention；
Second ground circulatory system is connected to well head aerial cooler circulation, for cold with the well head air
But device exchanges heat.
In preferred embodiments of the present invention, second ground circulatory system includes the second ground heat pump unit, second
Ground open cooling tower, the second ground chilled water water circulating pump and the second ground cooling water cycle water pump；
Second ground heat pump unit includes the second evaporator and the second condenser, second evaporator and second cold
Condenser connection, second evaporator are connected to by the second ground chilled water water circulating pump with the well head aerial cooler, are used
In carrying out heat exchange cooling to the well head aerial cooler；
Second condenser passes through second ground cooling water cycle water pump and second ground open cooling tower
Connection, second ground open cooling tower is for carrying out heat exchange cooling to second condenser.
In preferred embodiments of the present invention, first ground circulatory system includes the first ground heat pump unit, first
Ground chilled water water circulating pump, the first ground closed cooling tower, the first ground open cooling tower and the first ground cooling water circulation
Water pump；
First ground heat pump unit includes the first evaporator and the first condenser, first evaporator and first cold
Condenser connection, first evaporator are connected to by the first ground chilled water water circulating pump with the underground high-low pressure heat exchanger,
The underground high-low pressure heat exchanger is connected to first ground closed cooling tower, and the underground high-low pressure heat exchanger with it is described
The connecting line of first ground closed cooling tower is provided with third valve；
First condenser passes through first ground cooling water cycle water pump and first ground open cooling tower
Connection, first ground open cooling tower is for carrying out heat exchange cooling, and first condenser to first condenser
The connecting line of first ground open cooling tower is provided with the 4th valve.
In preferred embodiments of the present invention, the underground circulatory system includes the first underground air cooler, the second well
Lower aerial cooler, the first underground chilled water water circulating pump and the second underground chilled water water circulating pump；
The underground heat pump unit includes underground condenser and underground evaporator, the underground condenser and underground evaporator
Connection, the underground condenser are connected to by the first underground chilled water water circulating pump with the underground high-low pressure heat exchanger,
The underground high-low pressure heat exchanger is connected to the first underground air cooler；
The underground evaporator passes through the second underground chilled water water circulating pump and the second underground air cooler
Connection, for carrying out heat exchange cooling to the second underground air cooler.
In preferred embodiments of the present invention, the underground air inlet mechanism includes ground air inlet heapstead, pit shaft and underground
Tunnel；
The ground air inlet heapstead is connected to by the pit shaft with the underworkings, and the well head aerial cooler is set
It is placed in ground air inlet heapstead, the well head aerial cooler is used to maintain the well head in ground air inlet heapstead
Air temperature range is 2 DEG C -18 DEG C；
The first underground air cooler and the second underground air cooler are all set in the underworkings.
It further include ground heating equipment in preferred embodiments of the present invention；
The ground heating equipment is connect with first ground circulatory system, and first ground circulatory system is used for will
Thermal energy is supplied to the ground heating equipment, and the connecting line of the ground heating equipment and first ground circulatory system
It is provided with the 5th valve and the 6th valve.
The big temperature difference cooling of well up and down Heshui ring type provided by the invention, heating system, are applied to mine cooling, ground drops
The circulatory system of temperature and floor heating, comprising: the first ground circulatory system, underground high-low pressure heat exchanger, the underground circulatory system, well
Lower heat pump unit and underground air inlet mechanism；Underground work is sent into after cooling down by air of the underground circulatory system to entrance
Face, and can be by the heat input of collection to underground heat pump unit, into one when the underground circulatory system cools down air
The step ground ground circulatory system is repeatedly changed by underground high-low pressure heat exchanger and the underground circulatory system and the completion of underground heat pump unit
After heat, the thermal energy of underground can be more fully delivered on ground, improve the temperature difference of pipe-line system, the temperature that can be realized
Poor range is 38-41 DEG C, since high temperature difference can eliminate the refrigerating loss of water return pipeline indirectly, is followed without more powerful
Ring water pump；Alleviate that the temperature difference existing in the prior art that can be utilized is small, results in waste of resources, technical problem at high cost,
It is low to realize integrated operation expense, it is environmentally friendly, the pollution to environment can be effectively reduced, the economic benefit after popularization and use and
Social benefit is prominent.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the overall structure of the big temperature difference cooling of well up and down Heshui ring type provided in an embodiment of the present invention, heating system
Schematic diagram；
Fig. 2 is the partial structurtes of the big temperature difference cooling of well up and down Heshui ring type provided in an embodiment of the present invention, heating system
Schematic diagram；
Fig. 3 is the office on the big temperature difference cooling of well up and down Heshui ring type provided in an embodiment of the present invention, heating system ground
Portion's structural schematic diagram；
Fig. 4 is the first ground of the big temperature difference cooling of well up and down Heshui ring type provided in an embodiment of the present invention, heating system
The structural schematic diagram of the circulatory system；
Fig. 5 is the part of the big temperature difference cooling of well up and down Heshui ring type provided in an embodiment of the present invention, heating system underground
Structural schematic diagram.
Icon: the first ground the 100- circulatory system；The first ground 101- heat pump unit；The first evaporator of 111-；121-
One condenser；The first ground 102- chilled water water circulating pump；The first ground 103- closed cooling tower；The first ground 104- open type is cold
But tower；105- the first ground cooling water cycle water pump；The underground 200- high-low pressure heat exchanger；The underground the 300- circulatory system；301-
One underground air cooler；302- the second underground air cooler；The first underground 303- chilled water water circulating pump；The second well of 304-
Lower chilled water water circulating pump；The underground 400- heat pump unit；The underground 401- condenser；The underground 402- evaporator；The underground 500- air inlet
Mechanism；Enter the wind heapstead in the ground 501-；502- pit shaft；503- underworkings；600- working face in the pit；700- well head air is cooling
Device；The second ground the 800- circulatory system；The second ground 801- heat pump unit；The second evaporator of 811-；The second condenser of 821-；
The second ground 802- open cooling tower；The second ground 803- chilled water water circulating pump；804- the second ground cooling water cycle water pump；
The ground 900- heating equipment；The first valve of 110-；The second valve of 120-；130- third valve；The 4th valve of 140-；150- the 5th
Valve；The 6th valve of 160-.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
Applying example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Since in the prior art, the temperature difference that can be utilized is small, in order to reduce the heat loss of transport, and can be using more
Thermal energy, then need bigger pipeline to directly transport, more quantity of circulating water, bigger water circulating pump electrical power causes to recycle
Total 30% or more the power consumption of electrical power consumption of water pump accounting system, according to the first law of thermodynamics, the power consumption of water circulating pump is most of to be converted again
For thermal energy, the refrigeration duty of cooling system is further increased.Further, since underground narrow space, drift section size and transport object
Part size is restricted, and the big formation duct static pressure of height difference is high, causes to install large-diameter pipeline pressure piping difficulty in underground
Greatly, it invests high, therefore, a kind of big temperature difference cooling of well up and down Heshui ring type, heating system is present embodiments provided, with energy
Enough alleviate at least one of above-mentioned the technical issues of depositing in the prior art.
As shown in Figures 1 to 5, a kind of big temperature difference cooling of well up and down Heshui ring type provided in this embodiment, heating system,
The circulatory system applied to mine cooling, ground cooling and floor heating, comprising: the first ground circulatory system 100, underground height
Press heat exchanger 200, the underground circulatory system 300, underground heat pump unit 400 and underground air inlet mechanism 500；Underground air inlet mechanism 500
It is connected to the underground circulatory system 300, the underground circulatory system 300 is for being sent into working face in the pit after cooling down to the air of entrance
600；Underground high-low pressure heat exchanger 200 is connected to the underground circulatory system 300, first flowed out through underground high-low pressure heat exchanger 200
Heat transferring medium and the underground circulatory system 300 carry out heat exchange for the first time and heat up；The underground circulatory system 300 also passes through underground heat pump unit
400 are connected to underground high-low pressure heat exchanger 200, the first heat transferring medium and underground heat pump machine flowed out through the underground circulatory system 300
Group 400 carries out second of heat exchange heating, so that the first heat transferring medium after exchanging heat twice is back to the heat exchange of underground high-low pressure
Device 200；The first ground circulatory system 100 is connected to underground high-low pressure heat exchanger 200, the outflow of the first ground circulatory system 100
Second heat transferring medium can exchange heat with the first heat transferring medium of underground high-low pressure heat exchanger 200, to reduce underground high-low pressure
First heat exchange medium temperature of heat exchanger 200, the temperature difference after the second heat transferring medium heat exchange of the first ground circulatory system 100 outflow
Range is 38-41 DEG C.
Preferably, the first heat transferring medium and the outflow of the first ground circulatory system 100 that underground high-low pressure heat exchanger 200 flows out
The second heat transferring medium be water, can by using the big temperature difference cooling of well up and down Heshui ring type, heating system in the present embodiment
The cooling and heating of the big temperature difference liquid-ring type full blast amount of joint to realize ground and underground；Wherein, the first ground circulatory system
100, underground high-low pressure heat exchanger 200, the underground circulatory system 300 and underground heat pump unit 400 form the heat exchange system of water circulation type
System, the underground circulatory system 300, underground heat pump unit 400 and underground air inlet mechanism 500 form the heat-exchange system of water-air formula.
Specifically, the underground circulatory system 300 in the connection tunnel that the air on ground passes through 500 working face of underground air inlet mechanism
Heat exchange cooling is carried out, the air so as to enter ground reaches working face after carrying out cooling, solves the heat evil of working face
Problem.
As shown in Figure 1, detailed process are as follows: the temperature that the first ground circulatory system 100 can go out initial water is 3 DEG C or so, warp
Can be risen to by crossing by 41-44.5 DEG C after being exchanged heat with underground high-low pressure heat exchanger 200, the water inside underground high-low pressure heat exchanger 200
Temperature can be down to 3.5-7 DEG C, therefore it is 3.5-7 DEG C that underground high-low pressure heat exchanger 200 exports the temperature of water outward, at this time underground height
3.5-7 DEG C of cooling water of pressure heat exchanger 200 exchanges heat with the underground circulatory system 300, and temperature is increased to 20 DEG C, and at this time
Cooling water enters in the carry out condenser of underground heat pump unit 400, the condensation heat of underground heat pump unit 400 is taken away, temperature
Be increased to 37-45 DEG C, and be back to the water of the inside of underground high-low pressure heat exchanger 200 and the outflow of the first ground circulatory system 100 into
Row heat exchange, so that the water that the first ground circulatory system 100 comes out can rise after being exchanged heat with underground high-low pressure heat exchanger 200
To 41-44.5 DEG C, the water temperature inside underground high-low pressure heat exchanger 200 can be down to 3.5-7 DEG C again at this time, moved in circles and changed with this
Heat, the temperature difference range after realizing the second heat transferring medium heat exchange of the first ground circulatory system 100 outflow is 38-41 DEG C.
Preferably, underground high-low pressure heat exchanger 200 can be shell and tube exchanger or three cavity pressure converters, and the first ground
The face circulatory system 100 and the high-pressure side of underground high-low pressure heat exchanger 200 are attached, underground heat pump unit 400 and underground height
The low-pressure side of pressure heat exchanger 200 is attached.
The big temperature difference cooling of well up and down Heshui ring type provided in this embodiment, heating system, comprising: the first ground cyclic system
System 100, underground high-low pressure heat exchanger 200, the underground circulatory system 300, underground heat pump unit 400 and underground air inlet mechanism 500；It is logical
It crosses after the air that 300 pairs of the underground circulatory system enter cools down and is sent into working face in the pit 600, and in the underground circulatory system
300 can be by the heat input of collection to underground heat pump unit 400 when cooling down for air, the further ground circulatory system
It is completed after repeatedly exchanging heat by underground high-low pressure heat exchanger 200 and the underground circulatory system 300 and underground heat pump unit 400, energy
It is enough to be more fully delivered to the thermal energy of underground on ground, the temperature difference of pipe-line system is improved, the temperature difference range that can be realized
It is 38-41 DEG C, takes full advantage of the ability of pipeline energy, while improving return water temperature, eliminates the cold damage of water return pipeline
It loses, reduces the flow and operation power of water circulating pump；It alleviates existing in the prior art using the temperature difference is small, water circulating pump is electric
Consumption height results in waste of resources, technical problem at high cost, and it is low to realize integrated operation expense, environmentally friendly, can effectively reduce
Pollution to environment, the economic benefit and social benefit after popularization and use are prominent.
It further include well head aerial cooler 700 in preferred embodiments of the present invention；Well head aerial cooler 700 is arranged
In in underground air inlet mechanism 500, well head aerial cooler 700 is used to exchange heat with the air for entering the underground circulatory system 300.
In preferred embodiments of the present invention, positioned at well head aerial cooler 700 well head air temperature range be 2 DEG C-
18℃；Wherein, when air themperature is higher in external environment, well head aerial cooler 700 can cool down the air in external environment
Temperature, it is cooling after well head air temperature range be in 2 DEG C or more and 18 DEG C hereinafter, to work as air themperature in external environment lower
When, well head aerial cooler 700 understands the air themperature in heat external environment, and well head air temperature range can be also in after heating
2 DEG C or more and 18 DEG C or less.
Optionally, well head aerial cooler 700 can be surface air cooler or spray-type air cooler.
In preferred embodiments of the present invention, underground air inlet mechanism 500 includes that heapstead 501,502 and of pit shaft are entered the wind in ground
Underworkings 503；Ground air inlet heapstead 501 is connected to by pit shaft 502 with underworkings 503, and well head aerial cooler 700 is set
It is placed in the air inlet heapstead 501 of ground, the first underground air cooler 301 and the second underground air in following embodiments are cooling
Device 302 is all set in underworkings 503.
Wherein, in the higher situation of ground ambient temperature, the whole well air that enters in ground enters the wind well head on ground
Temperature is down to 18 DEG C or so and sequentially enters pit shaft 502, underworkings after the cooling of well head aerial cooler 700 in room 501
503, solve the heat damage of underground main entry and equipment chamber.
Further, ground cooled air enters in the connection tunnel of underworkings 503 and working face by the first well
Lower aerial cooler 301, the second underground air cooler 302 reach working face after being further cooled by, and solve working face
Heat damage.
Wherein, the first ground circulation can be respectively adopted in different modes for the heating of well head aerial cooler 700
System 100 or the second following ground circulatory systems 800 heat well head aerial cooler 700.
As shown in Fig. 2, specifically, in preferred embodiments of the present invention, the first ground circulatory system 100 and well head air
Cooler 700 is connected to, and the first ground circulatory system 100 and the connecting line of well head aerial cooler 700 are provided with the first valve
110 and second valve 120, it is empty with well head that the first valve 110 and the second valve 120 can control the first ground circulatory system 100
The connection of Gas Cooler 700 disconnects, and the first ground circulatory system 100 with well head aerial cooler 700 for exchanging heat.
It, at this time can be by the first ground circulatory system 100 for well head aerial cooler 700 when under heating mode
It is heated, wherein the first valve 110 and the second valve 120 are in the state opened, and the second following ground cyclic system
System 800 can return after the second heat transferring medium of the first ground circulatory system 100 outflow completes heat exchange in the state closed
Ground enters well head aerial cooler 700, and outdoor air is heated to 2 DEG C or more in well head aerial cooler 700, is mine
The heating of full blast amount provides free heat source, then enters the first ground cyclic system by the water outlet of well head aerial cooler 700
System 100 provides thermal energy for following ground heating equipments 900.
As shown in figure 3, further including the second ground circulatory system 800 in preferred embodiments of the present invention；Second ground is followed
Loop system 800 is connected to the circulation of well head aerial cooler 700, for exchanging heat with well head aerial cooler 700.
It, at this time can be by the second ground circulatory system 800 for well head aerial cooler 700 when under cooling mode
It is cooled down, wherein the first valve 110 and the second valve 120 can be in the state closed, and the second ground circulatory system
800 in the state opened.
Specifically, in preferred embodiments of the present invention, the second ground circulatory system 800 includes the second ground heat pump unit
801, the second ground open cooling tower 802, the second ground chilled water water circulating pump 803 and the second ground cooling water cycle water pump
804；Second ground heat pump unit 801 includes the second evaporator 811 and the second condenser 821, and the second evaporator 811 and second is cold
Condenser 821 connects, and the second evaporator 811 is connected by the second ground chilled water water circulating pump 803 with well head aerial cooler 700
It is logical, for carrying out heat exchange cooling to well head aerial cooler 700；Second condenser 821 passes through the second ground cooling water cycle water
Pump 804 is connected to the second ground open cooling tower 802, and the second ground open cooling tower 802 is used to carry out the second condenser 821
Heat exchange cooling.
Wherein, the second ground heat pump unit 801 may include evaporator, condenser, compressor and expansion valve, due to second
Ground heat pump unit 801 uses water source heat pump units, and specific structure is identical as heat pump unit structure in the prior art, herein will
It repeats no more.
Second evaporator 811 is connected to by circulation line and chilled water water circulating pump with well head aerial cooler 700, can
To carry out heat exchange cooling to well head aerial cooler 700, at this time since well head ambient temperature is higher, well head air is cold
But device 700 is cooled down for entering the air of underground, causes the internal temperature of well head aerial cooler 700 higher, by the
The chilled water of two evaporators 811 outflow reduces the temperature inside well head aerial cooler 700, by cooling for well head air
Device 700 carries out the water after heating up after cooling down and is back to after the second evaporator 811 again by heat together with compressor work importing second
Condenser 821 is back to the second condenser 821 after carrying out cooling by the second ground open cooling tower 802, is recycled with this cold
But.
As shown in figure 4, the first ground circulatory system 100 includes the first ground heat pump in preferred embodiments of the present invention
Unit 101, the first ground chilled water water circulating pump 102, the first ground closed cooling tower 103, the first ground open cooling tower 104
With the first ground cooling water cycle water pump 105；First ground heat pump unit 101 includes the first evaporator 111 and the first condenser
121, the first evaporator 111 and the connection of the first condenser 121, the first evaporator 111 pass through the first ground chilled water water circulating pump
102 are connected to underground high-low pressure heat exchanger 200, and underground high-low pressure heat exchanger 200 is connected to the first ground closed cooling tower 103,
And the connecting line of underground high-low pressure heat exchanger 200 and the first ground closed cooling tower 103 is provided with third valve 130；First
Condenser 121 is connected to by the first ground cooling water cycle water pump 105 with the first ground open cooling tower 104, and the first ground is opened
Formula cooling tower 104 is used to carry out the first condenser 121 heat exchange cooling, and the first condenser 121 and the first ground open type are cooling
The connecting line of tower 104 is provided with the 4th valve 140.
Similarly, the first ground heat pump unit 101 and underground heat pump unit 400 may each comprise evaporator, condenser, pressure
Contracting machine and expansion valve, since the first ground heat pump unit 101 and underground heat pump unit 400 can use water source heat pump units, tool
Body structure is identical as heat pump unit structure in the prior art, will not be described in great detail herein.
Preferably, the first ground heat pump unit 101 and the second heat pump unit can be screw rod type heat pump machine unit or centrifugal
Heat pump unit；Underground heat pump unit 400 is piston type heat pump (refrigeration) unit, vortex heat pump (refrigeration) unit or screw heat
Pump (refrigeration) unit.
As shown in Figure 3-Figure 5, in preferred embodiments of the present invention, the underground circulatory system 300 includes the first underground air
Cooler 301, the second underground air cooler 302, the first underground chilled water water circulating pump 303 and the second underground chilled water circulation
Water pump 304；Underground heat pump unit 400 includes underground condenser 401 and underground evaporator 402, and underground condenser 401 and underground are steamed
It sends out device 402 to connect, underground condenser 401 is connected by the first underground chilled water water circulating pump 303 with underground high-low pressure heat exchanger 200
Logical, underground high-low pressure heat exchanger 200 is connected to the first underground air cooler 301；Underground evaporator 402 is cold by the second underground
Freeze water water circulating pump 304 to be connected to the second underground air cooler 302, for changing the second underground air cooler 302
Heat is cooling.
It further include ground heating equipment 900 in preferred embodiments of the present invention；Ground heating equipment 900 and the first ground
The face circulatory system 100 connects, and the first ground circulatory system 100 is used to supply thermal energy to ground heating equipment 900, and ground supplies
The connecting line of hot equipment 900 and the first ground circulatory system 100 is provided with the 5th valve 150 and the 6th valve 160.
Wherein, ground heating equipment 900 can for the building with low temperature end heat dissipation equipment and with bath water it is secondary plus
The water tank of hot equipment, and the building with low temperature end heat dissipation equipment uses simultaneously with the water tank with bath water second heating device
The relationship of connection；In addition, when increasing other ground heating equipment 900, it only need to be successively using form in parallel.
It should be noted that the underground evaporator 402 of underground heat pump unit 400 and the second underground air cooler 302 are logical
It crosses the second underground chilled water water circulating pump 304 and forms a closed cycle circuit, underground evaporator 402 can be for the second underground
Aerial cooler 302 is cooled down, and the heat of the second underground air cooler 302 is taken away, so that underground evaporator 402 flows
Dynamic medium has the condensation heat discharged to underground condenser 401.
Temperature-fall period for mine includes: to open third valve 130 and the 4th valve 140, the first valve 110 of closing,
Second valve 120, the 5th valve 150 and the 6th valve 160, the first evaporator 111 of the first ground heat pump unit 101 pass through cold
Freeze water circulation pipe and the first ground chilled water water circulating pump 102 is connect with the high-pressure side of underground high-low pressure heat exchanger 200, underground
The on high-tension side other side of high-low pressure heat exchanger 200 passes through freezing water circulation pipe and third valve 130 and the first ground enclosed
Cooling tower 103 is connected to；First condenser 121 of the first ground heat pump unit 101 passes through cooling water circulation pipe and the 4th valve
140 connect with the first ground open cooling tower 104, and the first ground cooling water cycle water pump 105 is set to cooling water circulation pipe
On；The underground condenser 401 of underground heat pump unit 400 by freezing water circulation pipe successively with underground high-low pressure heat exchanger 200
Low-pressure side, the first underground chilled water water circulating pump 303, the first underground air cooler 301 connection；Underground heat pump unit 400
Evaporator by freezing water circulation pipe successively with the second underground air cooler 302, the second underground chilled water water circulating pump
304 connections.
Specifically, the second heat transferring medium (preferably water) of the evaporator output of the first ground heat pump unit 101 is initial
Temperature is 3 DEG C or so, is acted on by the conveying of freezing water circulation pipe and the first ground chilled water water circulating pump 102, Neng Goujin
The high-pressure side for entering underground high-low pressure heat exchanger 200, by above-mentioned it is known that the temperature of the second heat transferring medium rises to 41- at this time
44.5 DEG C, and the temperature of the first heat transferring medium inside underground high-low pressure heat exchanger 200 is down to 3.5-7 DEG C；Detailed process, by
The temperature of the first heat transferring medium (preferably water) of 200 low-pressure side of underground high-low pressure heat exchanger output is 3.5-7 DEG C, by cold
The conveying effect for freezing water circulation pipe and the first underground chilled water water circulating pump 303, enters to the first underground air cooler
301, first heat transferring medium and air carry out heat exchange in the first underground air cooler 301, and temperature is increased to 20 DEG C, at this time
The first heat transferring medium that temperature is 20 DEG C can be by taking away condensation heat in the underground condenser 401 of underground heat pump unit 400, temperature
It is 37-45 DEG C that degree, which increases, is intake by the low-pressure side that freezing water circulation pipe returns to underground high-low pressure heat exchanger 200, at this time underground
The high-pressure side of high-low pressure heat exchanger 200, the second heat transferring medium that temperature is 3 DEG C change the low pressure first for being 37-45 DEG C with temperature
Thermal medium exchanges heat, and the temperature of the first heat transferring medium can be cooled to 3.5-7 DEG C, while the own temperature of the second heat transferring medium
It is increased to 41-44.5 DEG C；Realize the big temperature difference cooling of entire well up and down Heshui ring type, the pipeline of heating system is effectively conveyed and followed
The temperature difference of ring water is 38-41 DEG C, compared with the transportation system of 15 DEG C of temperature difference in the prior art, can significantly save pipe-line system
Investment, is greatly lowered the operation power consumption of system circulation water pump.
Heating process for ground includes: to close third valve 130 and the 4th valve 140, the first valve 110 of opening,
Second valve 120, the 5th valve 150 and the 6th valve 160；In the present embodiment, the first condenser 121 of the first heat pump unit is logical
Supercooled water circulation line and the 6th valve 160 are connect with ground heating equipment 900, it should be noted that under heating mode,
Second ground heat pump unit 801 is out of service, can also be used as the spare unit of the first ground heat pump unit 101.
Specifically, after the second heat exchange medium temperature of the first ground heat pump unit 101 output is increased to 41-44.5 DEG C,
Due to the unlatching of the first valve 110 and the second valve 120, under the traffic condition of circulation line, the second heat transferring medium can be returned
Ground enters well head aerial cooler 700, and outdoor air is heated to 2 DEG C or more in well head aerial cooler 700, is mine
The heating of full blast amount provides free heat source, and the second heat transferring medium of the outflow of well head aerial cooler 700 can be into the first
First evaporator 111 of face closed cooling tower 103 and the first ground heat pump unit 101, the first ground heat pump unit 101 provide heat
It realizes and heats to ground heating equipment 900 in source；In addition, the waste heat of underground can also be cooling by the first ground enclosed
Tower 103, by making full use of the cooling capacity of natural air outside winter room to further decrease the operating cost of system.
The big temperature difference cooling of well up and down Heshui ring type provided in this embodiment, heating system, by will be each above and below mine
Heat supply cooling subsystem forms the big liquid-ring type system for having circular water-loop connection, to improve mine in cooling, heating
Total Energy Efficiency Ratio in demand, summer improve the temperature difference of pipe-line system, take full advantage of the ability of pipeline energy, mention simultaneously
High return water temperature eliminates the refrigerating loss of water return pipeline, reduces the flow and operation power of water circulating pump；Winter makes full use of
Heat, obtains the antifreeze heat source of pit shaft 502 of zero cost, and cost is the 50-60% of tradition cooling, heating system investment, section
Operation power charge 30-60% is saved, improves capacity usage ratio, energy conservation and environmental protection, overall economic efficiency is significant.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of big temperature difference of well up and down Heshui ring type cools down, heating system, it is applied to mine cooling, ground cooling and ground and supplies
The warm circulatory system characterized by comprising the first ground circulatory system, underground high-low pressure heat exchanger, the underground circulatory system,
Underground heat pump unit and underground air inlet mechanism；
The underground air inlet mechanism is connected to the underground circulatory system, the underground circulatory system be used for the air of entrance into
Working face in the pit is sent into after row is cooling；
The underground high-low pressure heat exchanger is connected to the underground circulatory system, the through underground high-low pressure heat exchanger outflow
One heat transferring medium and the underground circulatory system carry out heat exchange for the first time and heat up；The underground circulatory system also passes through the underground
Heat pump unit is connected to the underground high-low pressure heat exchanger, through the underground circulatory system outflow the first heat transferring medium with it is described
Underground heat pump unit carries out second of heat exchange heating, so that the first heat transferring medium after exchanging heat twice is back to the underground
High-low pressure heat exchanger；
First ground circulatory system is connected to the underground high-low pressure heat exchanger, the outflow of first ground circulatory system
Second heat transferring medium can exchange heat with the first heat transferring medium of the underground high-low pressure heat exchanger, high to reduce the underground
First heat exchange medium temperature of low pressure heat exchanger.
2. the big temperature difference of well up and down Heshui ring type according to claim 1 cools down, heating system, which is characterized in that also wrap
Include well head aerial cooler；
The well head aerial cooler is set in the underground air inlet mechanism, and the well head aerial cooler is used for and enters institute
The air for stating the underground circulatory system exchanges heat.
3. the big temperature difference of well up and down Heshui ring type according to claim 2 cools down, heating system, which is characterized in that described
The first ground circulatory system is connected to the well head aerial cooler, and first ground circulatory system and the well head air are cold
But the connecting line of device is provided with the first valve and the second valve, and first valve and the second valve can control described first
The ground circulatory system is connected to or disconnects with the well head aerial cooler, and first ground circulatory system can be with the well head
Aerial cooler exchanges heat.
4. the big temperature difference of well up and down Heshui ring type according to claim 2 cools down, heating system, which is characterized in that also wrap
Include the second ground circulatory system；
Second ground circulatory system is connected to well head aerial cooler circulation, is used for and the well head aerial cooler
It exchanges heat.
5. the big temperature difference of well up and down Heshui ring type according to claim 4 cools down, heating system, which is characterized in that described
The second ground circulatory system includes the second ground heat pump unit, the second ground open cooling tower, the second ground chilled water recirculated water
Pump and the second ground cooling water cycle water pump；
Second ground heat pump unit includes the second evaporator and the second condenser, second evaporator and the second condenser
Connection, second evaporator are connected to by the second ground chilled water water circulating pump with the well head aerial cooler, are used for pair
The well head aerial cooler carries out heat exchange cooling；
Second condenser is connected to by second ground cooling water cycle water pump with second ground open cooling tower,
Second ground open cooling tower is for carrying out heat exchange cooling to second condenser.
6. the big temperature difference of well up and down Heshui ring type according to claim 3 cools down, heating system, which is characterized in that described
The first ground circulatory system includes the first ground heat pump unit, the first ground chilled water water circulating pump, the cooling of the first ground enclosed
Tower, the first ground open cooling tower and the first ground cooling water cycle water pump；
First ground heat pump unit includes the first evaporator and the first condenser, first evaporator and the first condenser
Connection, first evaporator is connected to by the first ground chilled water water circulating pump with the underground high-low pressure heat exchanger, described
Underground high-low pressure heat exchanger is connected to first ground closed cooling tower, and the underground high-low pressure heat exchanger and described first
The connecting line of ground closed cooling tower is provided with third valve；
First condenser is connected to by first ground cooling water cycle water pump with first ground open cooling tower,
First ground open cooling tower is used to carry out heat exchange cooling to first condenser, and first condenser with it is described
The connecting line of first ground open cooling tower is provided with the 4th valve.
7. the big temperature difference of well up and down Heshui ring type according to claim 6 cools down, heating system, which is characterized in that described
The underground circulatory system includes the first underground air cooler, the second underground air cooler, the first underground chilled water water circulating pump
With the second underground chilled water water circulating pump；
The underground heat pump unit includes underground condenser and underground evaporator, and the underground condenser and underground evaporator connect
It connects, the underground condenser is connected to by the first underground chilled water water circulating pump with the underground high-low pressure heat exchanger, institute
Underground high-low pressure heat exchanger is stated to be connected to the first underground air cooler；
The underground evaporator is connected to by the second underground chilled water water circulating pump with the second underground air cooler,
For carrying out heat exchange cooling to the second underground air cooler.
8. the big temperature difference of well up and down Heshui ring type according to claim 7 cools down, heating system, which is characterized in that described
Underground air inlet mechanism includes ground air inlet heapstead, pit shaft and underworkings；
The ground air inlet heapstead is connected to by the pit shaft with the underworkings, and the well head aerial cooler is set to
In ground air inlet heapstead, the well head aerial cooler is used to maintain the well head air in ground air inlet heapstead
Temperature range is 2 DEG C -18 DEG C；
The first underground air cooler and the second underground air cooler are all set in the underworkings.
9. the big temperature difference of well up and down Heshui ring type according to claim 1-8 cools down, heating system, feature exists
In further including ground heating equipment；
The ground heating equipment is connect with first ground circulatory system, and first ground circulatory system is used for thermal energy
It supplies to the ground heating equipment.
10. the big temperature difference of well up and down Heshui ring type according to claim 9 cools down, heating system, which is characterized in that described
Ground heating equipment and the connecting line of first ground circulatory system are provided with the 5th valve and the 6th valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910514010.XA CN110107335B (en) | 2019-06-13 | Underground combined water ring type large-temperature-difference cooling and heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910514010.XA CN110107335B (en) | 2019-06-13 | Underground combined water ring type large-temperature-difference cooling and heating system |
Publications (2)
| Publication Number | Publication Date |
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| CN110107335A true CN110107335A (en) | 2019-08-09 |
| CN110107335B CN110107335B (en) | 2024-07-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112983528A (en) * | 2021-02-02 | 2021-06-18 | 中国矿业大学 | Efficient and energy-saving mine cooling and water supply system |
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