CN108915754A - The dehumidifying of shallow-layer cold energy circulation temperature lowering and waste heat utilization system for mine development end tunnel - Google Patents
The dehumidifying of shallow-layer cold energy circulation temperature lowering and waste heat utilization system for mine development end tunnel Download PDFInfo
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- CN108915754A CN108915754A CN201810870177.5A CN201810870177A CN108915754A CN 108915754 A CN108915754 A CN 108915754A CN 201810870177 A CN201810870177 A CN 201810870177A CN 108915754 A CN108915754 A CN 108915754A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F3/00—Cooling or drying of air
Abstract
The dehumidifying of shallow-layer cold energy circulation temperature lowering and waste heat utilization system that the embodiment of the invention provides a kind of for mine development end tunnel, the digging laneway has driving face, be distributed the system comprises the slider for the tubular structure being set in the digging laneway and from top to bottom and can be connected to ground unit, shallow-layer transducing unit and and downhole unit, the digging laneway is divided into interior tunnel and outer tunnel by tubular structure, and the interior tunnel and the outer tunnel are respectively communicated with the downhole unit.The ground unit includes heat pump unit, and the evaporation side of the heat pump unit is each configured with the first valve and the second valve；The shallow-layer transducing unit includes the energy converter for being embedded in the soil horizon of underground, and the energy converter is configured with valve group.The present invention ensure that the cool-down dehumidification effect of digging laneway on the one hand, on the other hand realize making full use of for energy.
Description
Technical field
The present invention relates to high-temperature mine cool-down dehumidification technical field more particularly to a kind of shallow-layers for mine development end tunnel
The dehumidifying of cold energy circulation temperature lowering and waste heat utilization system.
Background technique
With being continuously increased for pit mining depth, the temperature of mine rock is constantly increased, therefore underground heat disaster evil is more tight
Weight.Especially in high temperature and humidity mined bed, lasting high temperature and humidity operating environment generates operating personnel and relevant device larger
It influences, not only influences working efficiency, but also down-hole accident rate can be made to increase.
In order to improve the operating environment of underground, at present usually by by the way of central refrigerating on well to underground work ring
Border carries out cool-down dehumidification operation, but there are such problems for current mode：On the one hand, central refrigerating is to pass through ice making on well
Cooling system generates cooling capacity using direct energy consumption therefore energy consumption is higher, and the carrier (such as chilled water, ice cube/slurry) of cooling capacity
Conveying distance from well to underground is long, therefore there are larger loss of refrigeration capacity.On the other hand, due to operating environment be located at underground because
The condensation hot driving that this carries out partial cooling generation to it is difficult, is easy to cause second heat evil.Further, since current cooling side
The entire working region that method is directed to, therefore such cooling processing method has that energy consumption is high.Therefore current cooling removes
Wet effect needs to be further improved.
Correspondingly, this field needs a kind of new technical solution to solve the above problems.
Summary of the invention
In view of this, the present invention provides a kind of shallow-layer cold energy circulation temperature lowering dehumidifying for mine development end tunnel and waste heat
Using the underground tunneling roadway cooling and dehumidifying system of system high temperature high humidity mine, the system comprises the digging laneways to have pick
Into working face, which is characterized in that the system comprises：Slider is set in the digging laneway, and the slider is cylinder
Shape structure, interior tunnel is formed on the inside of the tubular structure, and the outside of the tubular structure and the digging laneway form outer
Tunnel；And be distributed from top to bottom and can be connected to ground unit, shallow-layer transducing unit and with the interior tunnel and described outer
The downhole unit that tunnel is respectively communicated with, wherein the ground unit includes heat pump unit, the evaporation side of the heat pump unit into
The mouth of a river and water outlet are each configured with the first valve and the second valve, switch first valve and second valve will pass through
Whether the opening of door/closed state flows through the heat pump unit come the recirculated water for adjusting for carrying out caloic exchange；Wherein, the shallow-layer
Transducing unit includes energy converter, and the energy converter is embedded in the soil horizon of underground, and the energy converter is configured with valve group, described
Valve group includes multiple valves and the valve group is arranged to be used for by switching the opening of each valve/closed state to adjust
Carry out the flow path of the recirculated water of caloic exchange.
For the above-mentioned dehumidifying of shallow-layer cold energy circulation temperature lowering and waste heat utilization system for mine development end tunnel, one kind can
In the embodiment of energy, the shallow-layer transducing unit includes second circulation pump, and the valve group includes third valve, the 4th valve
Door, the 5th valve, the 6th valve, the 7th valve, the energy converter and second circulation are pumped to be connected to form closed loop by pipeline,
In, the water inlet of the second circulation pump is connect with the downhole unit and the 6th valve is set to therebetween, described
The water outlet of second circulation pump is connect with first valve, and the 4th valve and the 7th valve are sequentially connected in series and are arranged
Between second valve and the downhole unit, the 5th valve is set to the water outlet and described of the energy converter
Between the water inlet of two circulating pumps, the third valve be set to second circulation pump water outlet and the energy converter into
Between the mouth of a river.
For the above-mentioned dehumidifying of shallow-layer cold energy circulation temperature lowering and waste heat utilization system for mine development end tunnel, one kind can
Can embodiment in, the downhole unit includes refrigeration unit, cool-down dehumidification room and booster pump, the cool-down dehumidification room and institute
Interior tunnel and the outer tunnel to be stated to be respectively communicated with, the water inlet of the condensation side of the refrigeration unit is connect with the 7th valve,
The water outlet of the condensation side of the refrigeration unit is connect with the 6th valve, the liquid outlet of the evaporation side of the refrigeration unit with
The cool-down dehumidification room connection, the cool-down dehumidification room is connect with the inlet of the evaporation side of the refrigeration unit and the pressurization
Pump is set to therebetween；Wherein, the interior tunnel and the outer tunnel pass through air return lane and are connected to outside, described in guaranteeing
Gas circulation in digging laneway.
For the above-mentioned dehumidifying of shallow-layer cold energy circulation temperature lowering and waste heat utilization system for mine development end tunnel, one kind can
In the embodiment of energy, the downhole unit includes blower, the first air duct and the second air duct, wherein the fresh air being connected to outside
Tunnel is connect by first air duct with the air inlet of the cool-down dehumidification room, to draw in the fresh air tunnel from the ground
The fresh air for entering the high temperature and humidity of underground is sent into cool-down dehumidification room；Wherein, the air outlet of the cool-down dehumidification room passes through described second
Air duct is separately connected with the interior tunnel and the outer tunnel, so that the air after cool-down dehumidification is sent into the interior tunnel and institute
State outer tunnel.
For the above-mentioned dehumidifying of shallow-layer cold energy circulation temperature lowering and waste heat utilization system for mine development end tunnel, one kind can
In the embodiment of energy, the tubular structure has the first wall body and the cylinder in the end close to the driving face
Shape structure is provided with the second wall body in the end far from the driving face, the outer tunnel include by the tubular structure and
Annulus that the side wall of the digging laneway is formed and by first wall body, the side wall of the digging laneway and the pick
The stylolitic part formed into working face, second air duct is axially through the interior tunnel and the downstream of second air duct
It is connected to the stylolitic part, second air duct is provided with intercommunicating pore group, the company in the part for being contained in the interior tunnel
Sets of vias, second air duct are connected to by the intercommunicating pore group with the interior tunnel.
For the above-mentioned dehumidifying of shallow-layer cold energy circulation temperature lowering and waste heat utilization system for mine development end tunnel, one kind can
In the embodiment of energy, the intercommunicating pore group includes at least one intercommunicating pore unit being axially distributed along second air duct,
The intercommunicating pore unit includes at least one circumferentially distributed intercommunicating pore along second air duct.
For the above-mentioned dehumidifying of shallow-layer cold energy circulation temperature lowering and waste heat utilization system for mine development end tunnel, one kind can
In the embodiment of energy, the slider includes separation layer, and the separation layer is made by heat-barrier material and/or every wet stock；Or
Slider described in person includes matrix, and the separation layer is provided at least part of described matrix.
For the above-mentioned dehumidifying of shallow-layer cold energy circulation temperature lowering and waste heat utilization system for mine development end tunnel, one kind can
Can embodiment in, be provided with solution line in the cool-down dehumidification room, the solution line include main line and with institute
Multiple bye-passes that main line is respectively communicated with are stated, are distributed on the bye-pass by multiple nozzles, wherein the refrigeration unit
The liquid outlet of evaporation side is connect with the main line；Wherein, the bye-pass be located at the main line lower section and with the master
Pipeline has angle, and the liquid outlet of the cool-down dehumidification room is located at side wall close to the position of lower section, to make to spray from the nozzle
The solution of injection is collected to the liquid outlet of the cool-down dehumidification room and is pumped into the refrigeration unit again by the booster pump
Evaporation side, formed solution circulation.
For the above-mentioned dehumidifying of shallow-layer cold energy circulation temperature lowering and waste heat utilization system for mine development end tunnel, one kind can
In the embodiment of energy, the air inlet of the cool-down dehumidification room and the orientation of air outlet are arranged to increase from the fresh air
The fresh air of the high temperature and humidity in tunnel is during the air inlet by the cool-down dehumidification room flow to air outlet and from the nozzle
The contact area of the solution ejected；And/or on the same main line injection direction of each nozzle it is identical or
The injection direction of difference, the nozzle on the different main lines is same or different.
For the above-mentioned dehumidifying of shallow-layer cold energy circulation temperature lowering and waste heat utilization system for mine development end tunnel, one kind can
In the embodiment of energy, the ground unit includes first circulation pump, heat user and the heat pump unit with heat demand
Closed loop is formed, the first circulation pump is set to the water outlet of the condensation side of the heat pump unit and the water inlet of the heat user
Between.In system of the invention, by the cooperation of ground unit, shallow-layer transducing unit and downhole unit, dexterously draw shallow
The cooling capacity of layer transducing unit, reliably ensure that the cool-down dehumidification of downhole unit by shallow-layer transducing unit and/or ground unit
Effect is effectively utilized and has recycled the condensation generated in downhole unit due to the fresh air of the high temperature and humidity in processing intake
Waste heat.Also, the underground tunneling roadway at driving face rear is divided by outer tunnel and interior tunnel two parts by slider,
And make downhole unit by by the fresh air stream of low temperature and low humidity be respectively fed to outer tunnel and interior tunnel and with the high temperature and humidity in it
Air is mixed, and the cool-down dehumidification to the part for having operating personnel to stop in underground tunneling roadway is had effectively achieved.
Preferably, outer tunnel includes that stylolitic part and annulus so only need to be to the columns for having operating personnel to stop
Shape part is that the air of the only regional area in external tunnel carries out cool-down dehumidification, therefore saves downhole unit and need to provide
The new distinguished and admirable amount of low temperature and low humidity.And preferably, slider has heat-insulated and/or every wet function, so, can stop
Temperature and/or moisture are transmitted between the annulus and interior air way of the especially outer air way of outer air way, therefore are kept away as far as possible
The phenomenon that moisture inside air way " reflux " caused by having exempted from thus.
Detailed description of the invention
Comprising in the description and constitute the attached drawing of part of specification and specification together illustrate it is of the invention
Exemplary embodiment, feature and aspect, and principle for explaining the present invention.It when considered in conjunction with the accompanying drawings, can be more complete
More fully understand the present invention.The drawings described herein are used to provide a further understanding of the present invention, embodiment and its explanation
It is used to explain the present invention, does not constitute improper limitations of the present invention.
Figure 1A shows the circulation mine cooling dehumidifying of shallow-layer cold energy and the knot of waste heat utilization system of an embodiment of the present invention
Structure schematic diagram；
The shallow-layer cold energy circulation temperature lowering for mine development end tunnel that Figure 1B shows an embodiment of the present invention dehumidifies and gives up
The schematic diagram of internal structure of digging laneway in heat utilization system；
The dehumidifying of shallow-layer cold energy circulation temperature lowering and waste heat Fig. 2 shows an embodiment of the present invention for mine development end tunnel
Using system in normal cool-down dehumidification mode status diagram for the moment；
The shallow-layer cold energy circulation temperature lowering for mine development end tunnel that Fig. 3 shows an embodiment of the present invention dehumidifies and waste heat
Utilize status diagram of the system in normal cool-down dehumidification mode two；
The shallow-layer cold energy circulation temperature lowering for mine development end tunnel that Fig. 4 shows an embodiment of the present invention dehumidifies and waste heat
Utilize status diagram of the system in non-cool-down dehumidification mode；And
The shallow-layer cold energy circulation temperature lowering for mine development end tunnel that Fig. 5 shows an embodiment of the present invention dehumidifies and waste heat
Utilize status diagram of the system in excess load cool-down dehumidification mode.
Reference signs list：
10, heat pump unit；11, first circulation pumps；12, heat user；13, the first valve；14, the second valve；20, transducing
Device；21, third valve；22, the 4th valve；23, the 5th valve 24, the 6th valve；25, the 7th valve；26, second circulation pumps；
30, refrigeration unit；31, booster pump；32, cool-down dehumidification room；33, blower；(341,342) air duct；3421, intercommunicating pore；35, it digs
Into tunnel；351, air return lane；352, driving face；353, slider；3531, the first wall body；3532, the second wall body；354,
Interior tunnel；3541, interior return air inlet；3551, stylolitic part；3552, annulus；35521, outer return air inlet；36, fresh air tunnel；
37, main line；38, bye-pass；39, nozzle.
Specific embodiment
Below with reference to attached drawing various exemplary embodiments, feature and the aspect that the present invention will be described in detail.It is identical in attached drawing
Appended drawing reference indicate element functionally identical or similar.Although the various aspects of embodiment are shown in the attached drawings, remove
It non-specifically points out, it is not necessary to attached drawing drawn to scale.
Dedicated word " exemplary " means " being used as example, embodiment or illustrative " herein.Here as " exemplary "
Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.
It should be noted that in the description of the present invention unless specifically defined or limited otherwise, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.To those skilled in the art, above-mentioned term can be understood in the present invention as the case may be
In concrete meaning.
In addition, in order to better illustrate the present invention, numerous details is given in specific embodiment below.
It will be appreciated by those skilled in the art that without certain details, the present invention equally be can be implemented.In some instances, for
Method, means, element and circuit well known to those skilled in the art are not described in detail, in order to highlight purport of the invention.
A referring to Fig.1, Figure 1A show the shallow-layer cold energy circulation temperature lowering for mine development end tunnel of an embodiment of the present invention
The structural schematic diagram of dehumidifying and waste heat utilization system.As shown in Figure 1A, which mainly includes the ground list being distributed from top to bottom
Member, shallow-layer transducing unit and downhole unit, shallow-layer transducing unit and downhole unit are in underground, ground unit and shallow-layer transducing
It is connected respectively by pipeline between unit and between shallow-layer transducing unit and downhole unit.Such as selection for pipeline steel pipe, steel pipe choosing
With corrosion resistant zinc-plated carbon steel pipe.Wherein, downhole unit is mainly used for providing low temperature salting liquid and the pick to working environment at coal mines
Into the distinguished and admirable carry out cool-down dehumidification processing of the high temperature and humidity in tunnel 35, to improve the comfort of air in digging laneway 35, from
And guarantee the efficiency of pit mining operation.Ground unit is mainly used for providing heat to heat user 12 and recycles the cold of heat user
Amount, wherein the source of heat is mainly the condensation that downhole unit generates during carrying out cool-down dehumidification to working environment at coal mines
Waste heat, i.e. ground unit realize the resource utilization to the condensation waste heat of downhole unit.And shallow-layer transducing unit is then mainly used
The thermal energy of heat user needs is provided in the cold energy for providing low temperature salting liquid needs for downhole unit and for ground unit.Wherein,
Low temperature salting liquid is simultaneously specially to the process of the distinguished and admirable carry out cool-down dehumidification processing of the high temperature and humidity in digging laneway 35：New air way
Road 36 is connected to outside by fresh air air inlet and by the Leads to new breeze underground of ground, is such as mentioned simultaneously to multiple digging laneways 35
For fresh air.Be mostly in that underground is therefore more moist due to fresh air tunnel 36, in addition the wall surface in fresh air tunnel 36 it is inevitable with
Fresh air can occur caloic exchange the reason of, therefore be normally filled in fresh air tunnel 36 be high temperature and humidity fresh air.Low temperature is provided
Salting liquid carries out cool-down dehumidification processing to the fresh air of the high temperature and humidity in fresh air tunnel 36 first, later at this partial warm down dehumidifying
Fresh air after reason be passed through in digging laneway 35 further to the distinguished and admirable carry out cool-down dehumidification of the high temperature and humidity in digging laneway at
Reason, meanwhile, extend the air return lane 351 for leading to external environment from the rock mass of digging laneway periphery, therefore digging laneway 35 passes through
Air return lane 351 is connected to outside, and if the upstream end of air return lane is connected to digging laneway 35, the downstream of air return lane is connected to ground
And configured with air can be drawn back to external mine drawing fan, to ensure that the gas circulation in digging laneway.
In addition, it should be noted that, salting liquid is capable of providing to provide in liquid form and take the photograph lower than zero compared with recirculated water
Family name's degree cooling capacity below, so as to preferably carry out cool-down dehumidification to working environment at coal mines.As to can be NaCl molten for salting liquid
Liquid or CaCl2Solution etc., also to no damage to human body with the preferably nontoxic and drips that eject to operating personnel
NaCl solution.It is understood that can there can be the solution form of effects equivalent using other according to practical situation, one is moved back
Step is said, even if using recirculated water (being equivalent to the solute in solution at this time as nothing), the cool-down dehumidification to tunnel also may be implemented.
With continued reference to Figure 1A, ground unit mainly includes heat pump unit 10, first circulation the 11, first valve 13 and second of pump
Valve 14.Wherein, there is heat demand (such as hot water, heating) to pass through piping connection shape between heat user 12 and heat pump unit 10
At closed loop, first circulation pump 11 is set in closed loop.Specifically, the water outlet of the condensation side of heat pump unit 10 is connected by pipeline
To the water inlet of first circulation pump 11, the water outlet of first circulation pump 11 is connected to the water inlet of heat user 12 by pipeline.The
One valve 13 is set between the water outlet of the evaporation side of heat pump unit and shallow-layer transducing unit whether switch ground unit
The unilaterally connected state of cooling capacity is provided to shallow-layer transducing unit or downhole unit, the second valve 14 is set to the steaming of heat pump unit
It sends out between the water inlet and shallow-layer transducing unit of side whether to switch shallow-layer transducing unit or downhole unit to ground unit
The unilaterally connected state of heat is provided.
With continued reference to Figure 1A, shallow-layer transducing unit mainly includes energy converter 20, valve group and second circulation pump 26, valve
Group includes third valve 21, the 4th valve 22, the 5th valve 23, the 6th valve 24, the 7th valve 25.Second circulation pump 26 into
The mouth of a river is connect with downhole unit and the 6th valve 24 is set to therebetween, the water outlet and the first valve 13 of second circulation pump 26
Connection, the 4th valve 22 and the 7th valve 25 are sequentially connected in series and are set between the second valve 14 and downhole unit, energy converter 20
It connects to form closed loop by pipeline with second circulation pump 26, and the 5th valve 23 is set to the water outlet of energy converter 20 and second and follows
Ring pump 26 water inlet between, third valve 21 be set to second circulation pump 26 water outlet and energy converter 20 water inlet it
Between.
With continued reference to Figure 1A, downhole unit mainly includes refrigeration unit 30, booster pump 31, cool-down dehumidification room 32, blower 33
With air duct (341,342), Underground well mining operations will form digging laneway 35 in the process, and digging laneway 35 is interior to be exploited
End face is driving face 352.7th valve 25 is connect with the water inlet of the condensation side of refrigeration unit 30 by pipeline, refrigeration
The water outlet of the condensation side of unit 30 is connect with the 6th valve 24 by pipeline, the liquid outlet of the evaporation side of refrigeration unit 30 with
Cool-down dehumidification room 32 is connected by pipeline.
Specifically, being provided with solution line in cool-down dehumidification room 32, solution line includes the main line 37 of horizontal direction
With the bye-pass 38 of several vertical directions being respectively communicated with main line 37, positioned at 37 lower section of main line, each bye-pass
The nozzle sets being made of multiple nozzles 39 are distributed on 38, the injection direction of each nozzle can be the same or different, e.g., often
Nozzle number on a bye-pass 38 is identical, and nozzle is cone structure, the axis of cone structure be horizontal direction and with air inlet side
To being oppositely arranged, i.e., the axis of upstream injection or cone structure is horizontal direction and is arranged in the same direction with air inlet direction, i.e. fair current
Injection, or other directions with two kinds of directions above-mentioned with angle.The inlet of cool-down dehumidification room 32 is located at cool-down dehumidification
The top of room 32 is simultaneously connect with main line 37 by pipeline, and the liquid outlet of cool-down dehumidification room 32 is located at side wall close to the position of lower section
And it is connect with the inlet of booster pump 31 by pipeline, the inlet of the evaporation side of the liquid outlet and refrigeration unit 30 of booster pump 31
It is connected by pipeline.So, it sprays from the low temperature salting liquid that refrigeration unit flows out from nozzle 39 to cool-down dehumidification room 32
The high temperature and humidity fresh air for flowing through cool-down dehumidification room 32 is handled, the raised low temperature salting liquid of temperature converges to lower section later
The liquid outlet of cool-down dehumidification room 32 simultaneously flows back to refrigeration unit by means of booster pump 31.
So, by one section of air duct, i.e. air duct 341 connect to incite somebody to action with the air inlet of cool-down dehumidification room 32 blower 33
The fresh air of high temperature and humidity in fresh air tunnel 36 is sent into cool-down dehumidification room 32, and such as according to the orientation in Figure 1A, air outlet is located at drop
The left side wall and air-out direction of warm moist chamber are generally horizontal to the left, and air inlet is located at the right side wall of cool-down dehumidification room and air inlet side
To also substantially also for it is horizontal to the left, therefore flowed in cool-down dehumidification room 32 substantially according to the trend of right-to-left, while low temperature
Salting liquid imports main line 37 simultaneously by the top that pipeline enters cool-down dehumidification room 32 from the liquid outlet of the evaporation side of refrigeration unit
It is further diverted in each bye-pass 38, low temperature salting liquid is by the nozzle 39 on bye-pass 38 in cool-down dehumidification room 32 later
It is interior along a part of upstream injection of a part of downstream injection of depth direction, injection to the misty liquid droplets and high temperature in cool-down dehumidification room 32
The new distinguished and admirable contact from fresh air tunnel 36 of high humidity, it is new it is distinguished and admirable cooled down after the vapor that wherein condenses and by low temperature salting liquid
It takes away, to realize to new distinguished and admirable cool-down dehumidification processing, bottom of the low temperature salting liquid ejected in cool-down dehumidification room 32
After collecting, it is pumped into the evaporation side of refrigeration unit 31 again by booster pump 31, to form salting liquid circulation.Such as cool-down dehumidification room 32
Liquid outlet should be set to side wall close to the position of lower section.
Cool-down dehumidification room 32 connect to cool down and remove with digging laneway 35 by another section of air duct, i.e. the second air duct 342
Air after wet process is sent into digging laneway 35 to be mixed with the distinguished and admirable of the high temperature and humidity in it, is realized to digging laneway
Distinguished and admirable cool-down dehumidification in 35 improves in digging laneway 35 close to the i.e. working environment at coal mines in region of driving face 352
Comfort.
The shallow-layer cold energy for mine development end tunnel that A and Figure 1B referring to Fig.1, Figure 1B show an embodiment of the present invention follows
The schematic diagram of internal structure of digging laneway in ring cool-down dehumidification and waste heat utilization system.As shown in Figure 1A and Figure 1B, in the present invention
Technical solution in, accommodate the slider 353 of tubular structure in digging laneway 35, the right part of slider has the first wall
3531 bodies and end, that is, left end of air outlet close to cool-down dehumidification room is provided with the second wall body 3532 mainly as air door.
So, the digging laneway 35 in 352 rear of driving face (left side) is divided into two parts：The outside of tubular structure and
Digging laneway 352 forms outer tunnel, and the inside of the second wall body and tubular structure forms interior tunnel 354.And outer tunnel is further wrapped
Include following two parts：The annulus 3552 that formed by the side wall of tubular structure and digging laneway and by the first wall body, driving
The stylolitic part 3551 that the side wall of working face and the side wall of digging laneway are formed.
The people for being such as currently at resting state rests on interior tunnel and relevant tool and other items and also places Z in Nei Xiang
Road, current work personnel need regional area, that is, cylindrical region activity in outer tunnel close to driving face, need to only lead at this time
It crosses internal tunnel and cylindrical region carries out cool-down dehumidification operation so that two regions are able to maintain comfortable temperature and humidity.
Since only close to the regional area of driving face, i.e. stylolitic part has operating personnel, therefore in outer tunnel
Carrying out cool-down dehumidification only for this part is the comfort that can guarantee outer tunnel operating personnel.That is, without being directed to ring
Shape region carries out cool-down dehumidification operation, therefore such set-up mode saves the new distinguished and admirable amount of low temperature and low humidity, reduces and is used for
Produce cooling capacity required for the new distinguished and admirable required low temperature salting liquid of low temperature and low humidity.
Second air duct 342 includes cylinder, and cylinder is connected along the upstream end in air inlet direction with the air outlet of cool-down dehumidification room,
Cylinder penetrates interior tunnel 354 by the hole being opened on the second wall body 3532 and runs through entire interior tunnel, and cylinder is in interior tunnel
The intercommunicating pore group including multiple intercommunicating pores 3421 is provided on part to realize the connection of the second air duct Yu interior tunnel, cylinder
Downstream is pierced by the second wall body by the hole being opened on the first wall body 3531 and is in stylolitic part to realize the second wind
The connection of cylinder and outer tunnel.That is, low temperature and low humidity in air duct is new distinguished and admirable in the mistake for leading to stylolitic part from left to right
Cheng Zhong, the new wind circulation of a part of low temperature and low humidity cross intercommunicating pore group be connected to interior tunnel so as to the high temperature and humidity in interior tunnel
Air mixing, so that internally tunnel carries out cool-down dehumidification；Downstream and columnar part are crossed in the new wind circulation of another part low temperature and low humidity
Divide connection to mix with the air in outer tunnel close to the high temperature and humidity of the stylolitic part of work development end, thus to columnar part
The air divided carries out cool-down dehumidification.
If intercommunicating pore group may include the equally distributed multiple intercommunicating pore units of axial direction along the second air duct, each intercommunicating pore
Unit includes circumferentially distributed multiple intercommunicating pores along the second air duct.It is blown by axial multiple spot, interior air way can be made in length
Degree direction obtains the new distinguished and admirable of more uniform low temperature and low humidity, is blown by circumferential multiple spot, can make the fresh air of low temperature and low humidity
Stream can preferably diffuse to interior air way.It can be uniformly or uneven it is understood that each intercommunicating pore unit edge is axial
Distribution, and can be same or different (quantity of such as intercommunicating pore) between each intercommunicating pore unit.It is each in intercommunicating pore unit
Between intercommunicating pore circumferentially can uniformly or uneven distribution, the specification of each intercommunicating pore can be same or different, such as connects
Through-hole can be circular hole, square hole or strip-shaped hole, by taking circular hole as an example.It the aperture of each circular hole can be with different from.In short, ability
Field technique personnel can be according to arrangement form of the practical situation flexible setting intercommunicating pore group in the first part of air duct.
Under usual situation, the side wall of digging laneway should be kept at a distance from 250-400mm between the side wall every wet body
(such as 300mm or so) to arrange relevant cable, tool etc., and guarantees that the air-flow from cylindrical region can be successfully
Lead to air return lane through annulus and then is connected to outside.
It is understood that during the new distinguished and admirable cylinder flowed through in interior tunnel of low temperature and low humidity, i.e., without logical
Cross intercommunicating pore group into interior tunnel low temperature and low humidity it is new distinguished and admirable during leading to stylolitic part, the tube wall of air duct can with it is interior
Air in tunnel carries out heat exchange, therefore can be heated by a small margin by the damp-heat air in interior tunnel, but low temperature and low humidity air
Stream remains at the level of low temperature and low humidity after being heated by a small margin, thus stylolitic part high temperature and humidity air it is mixed after still
The effect of cool-down dehumidification can be obtained, the dynamics dynamics compared with interior air way that only exchanges heat is smaller, therefore the temperature of stylolitic part
It can slightly above interior air way.
Obviously, air return lane should be respectively communicated with interior tunnel and outer tunnel, so that digging laneway is discharged in wind, guarantee driving
Air circulation in tunnel.Such as with continued reference to Figure 1B, the lower section of the annulus 3551 in outer tunnel is provided with outer return air inlet
35521, the lower section in interior tunnel 354 is provided with interior return air inlet 3541, interior return air inlet, outer return air inlet and air return lane is respectively communicated with and that
This alignment is to be discharged digging laneway for wind.Specifically, the air in interior tunnel is directly successively through the outer return air of interior return air inlet-
Digging laneway is discharged in mouth-air return lane, and the air of the stylolitic part in outer tunnel then first flows into annulus, then through outer return air
Digging laneway is discharged in mouth-air return lane.
Interior tunnel and outer tunnel in order to prevent it is distinguished and admirable between caloic occur exchange or exchange of moisture, can be by slider
The parameters such as material, structure and/or size handled.Such as slider be surface be coated with waterproof/thermal insulation layer structure, every
Itself be in vitro have the effect of it is heat-insulated/every wet material or slider is processed as hollow structure to realize waterproof/heat-insulated
Deng.
In a kind of possible embodiment, slider using waterproof profile material be made so as to completely cut off flow through interior tunnel with
Outer tunnel it is distinguished and admirable between exchange of moisture occurs.As slider is carried out using every the good carbon steel sheet of wet performance, and to carbon steel sheet
Preservative treatment (such as anticorrosion with painting paint) is to prevent phenomena such as slider gets rusty during wet.In addition, section is rectangular
The bottom inside addition of slider have roadway floor, with the intensity in tunnel in improving.In the present embodiment, due to slider
It can transmit, therefore avoid thus between the annulus and interior air way of the especially outer air way of outer air way to avoid moisture
Caused moisture is during leading to air return lane by stylolitic part-endless member the phenomenon that inside air way " reflux ".Such as second
Therefore wall body is also carbon steel sheet as a part of slider, and the first wall body installs the second air duct 342 due to being mainly used for
Air door and simultaneously a part as air way in constituting, preferably can have higher intensity and every wet shape performance, such as can be with
Using the carbon steel sheet with inner support, thus guarantee air door load-bearing capacity under the premise of further improve interior tunnel every
Wet performance.
It should be noted that due to the operating personnel's stop for having resting state in interior air way and the police of operating personnel at this time
Cautious property is lower, for the security consideration to digging laneway, needs to guarantee the intensity of interior air way.It can be initially formed one at this time
Then slider is installed on matrix by matrix, if matrix is a frame structure, slider is installed in frame structure.
In addition, the disengaging of material and the passage of operating personnel are needed for the ease of the progress of excavation operation, in two walls
It is provided with communicating door on body, material door and pedestrian's door are such as respectively arranged on the first wall body and the second wall body.It obviously, can be with
The door of two kinds of functions is subjected to unification design, the i.e. communicating door as material door and pedestrian's door according to the actual situation.In order to guarantee
The heat as caused by leaking out and the decline of moisture processing level, communicating door should all keep normally off under normal circumstances.This
Outside, it should be also tightly connected between (the second wall body, slider, the second air duct) and between (the second wall body, digging laneway), with
It prevents from leaking out.Under the premise of there capable of be good leakproofness between the interior tunnel and outer tunnel constructed, heat is avoided
Flee and transmit with moisture, ensure that the reliability of cool-down dehumidification.
It is understood that above-mentioned main line, bye-pass, nozzle and (into and out of) air port of cool-down dehumidification room and
The set-up mode in (into, liquid) air port is a kind of preferable embodiment, and can't cause to protection scope of the present invention need not
The restriction wanted.Cool-down dehumidification room and cool-down dehumidification room are reached in the fresh air streaming that can guarantee the high temperature and humidity in fresh air tunnel
Will be during treated air be sent into digging laneway, it can be with liquid outlet-supervisor of the evaporation side successively through refrigeration unit
Under the premise of the low temperature salting liquid contact that road-bye-pass-nozzle ejects, the set-up mode of main line, bye-pass and nozzle
Can with flexible choice, as can be between main line and bye-pass between non-perpendicular angle, each bye-pass can it is non-parallel,
Nozzle number and injection direction on each bye-pass can same or different, cool-down dehumidification room air inlets and air outlet
Between be horizontal direction only have difference in height or therebetween have certain angle etc..
In the present invention, by adjusting the valve in (first, second) valve and shallow-layer transducing unit in the unit of ground
The combination of the opening of each valve of Men Zuzhong/closed state can make system of the invention realize the different operational mode of following four.Below
These four operational modes in the example are described in detail in conjunction with Fig. 2 to Fig. 5.
Operational mode one：
Referring to Fig. 2, Fig. 2 shows the shallow-layer cold energy circulation temperature lowerings for mine development end tunnel of an embodiment of the present invention to remove
Wet and waste heat utilization system is in normal cool-down dehumidification mode status diagram for the moment.As shown in Fig. 2, cutting-off valve (13,14,
22,23), Open valve (21,24,25), can make system be in the mode.In this mode, the operational process of system includes
Three aspects below：
In a first aspect, blower 33 extracts the fresh air of the high temperature and humidity in fresh air tunnel 36 and is sent into cooling by air duct 341
In moist chamber 32.In cool-down dehumidification room 32, during new distinguished and admirable right-to-left flowing, low temperature salting liquid is by nozzle with suitable
Stream injection and the mode that combines of upstream injection formed misty liquid droplets and with high temperature and humidity it is new it is distinguished and admirable contact, abundant caloic exchanges
Afterwards, the new distinguished and admirable vapor wherein condensed that cooled down is taken away by low temperature salting liquid, realizes and handles the cool-down dehumidification of fresh air, cooling
Air after dehumidifying is sent into digging laneway 35 by the second air duct 342 and is mixed with the distinguished and admirable of the high temperature and humidity in it, improves
The comfort level of working environment at coal mines.
Second aspect, cool-down dehumidification treated low temperature salting liquid temperature rise, pass through after cool-down dehumidification room bottom is collected
Booster pump 31 is pumped into the inlet of the evaporation side in refrigeration unit 30, returns to cooling after being cooled down in refrigeration unit 30 and removes
In moist chamber 32, salting liquid circulation is formed, so that cool-down dehumidification room 32 be enable to continue to provide for dropping the feeding of fresh air tunnel 36
The fresh air of warm moist chamber 32 carries out the low temperature salting liquid of cool-down dehumidification.
The third aspect, the condensation side of refrigeration unit 30 become height after heating to the low-temperature circulating water from energy converter 20
Warm recirculated water, under the action of second circulation pump 26, high temperature circulation water enter energy converter 20 and with the inbuilt soil of the institute of energy converter 20
Earth layer carries out heat exchange temperature reduction, returns to refrigeration unit 30 later.That is, making downhole unit by means of energy converter 20
High temperature circulation water and the soil of shallow-layer transducing unit exchange heat, to ensure that the evaporation side of refrigeration unit can continue to provide
Enough cooling capacity are effectively cooled down to from the raised salting liquid of temperature in cool-down dehumidification room 32.
Such as in a kind of specific example, mine is coal mine, and the cross section that digging laneway is is trapezoidal, the cross in outer tunnel
Section is upper width 1.8m, lower width 3m, high 2m it is trapezoidal, the cross section in interior tunnel is upper width 1.2m, lower width 2.4m, high 1.7m
Trapezoidal, column zone length is about 5m, the fresh air air output about 30,000m of air duct in digging laneway3/h.Air duct is in interior tunnel
In part one intercommunicating pore unit is set every 5m along axial direction, intercommunicating pore unit includes be uniformly distributed circumferentially 3 connections
The size in hole, intercommunicating pore is25 DEG C of dry-bulb temperature, water capacity in the extraction of blower 33 fresh air tunnel 36 are
The fresh air of 13.98g/kg is streamed into cool-down dehumidification room 32, this part is newly distinguished and admirable after cool-down dehumidification room 32 is handled by cool-down dehumidification
Dry-bulb temperature be reduced to 0 DEG C, water capacity be down to 3.59g/kg, this process is realized to new distinguished and admirable cool-down dehumidification, that is, is turned
It is newly distinguished and admirable to be changed to dry low temperature.Later, the new wind circulation of dry low temperature cross the second air duct 342 be sent into digging laneway 35 and with
After the distinguished and admirable mixing of high temperature and humidity in it, the cylindrical region in digging laneway 35 will form 23 DEG C of dry-bulb temperature, water capacity is
The more comfortable air of 8.784g/kg, the interior tunnel in digging laneway 35 will form 20 DEG C of dry-bulb temperature, water capacity is
The more comfortable air of 5.821g/kg.
In the process, the salting liquid temperature of cool-down dehumidification treated cool-down dehumidification room 32 is increased to -5 DEG C from -10 DEG C,
Be passed through refrigeration unit evaporation side be cooled to -10 DEG C after return to cool-down dehumidification room 32.The mistake to cool down to salting liquid
Cheng Zhong, the low-temperature circulating water of the condensation side of refrigeration unit are heated to 35 DEG C of high temperature circulation water, and high temperature circulation water leads to level
Temperature is down to 20 DEG C and again returns to system after the energy converter 20 and soil horizon being embedded in the soil horizon of temperature≤18 DEG C are exchanged heat
Cold group is to cool down to the raised salting liquid of temperature.
It should be noted that the operational mode is normal cool-down dehumidification mode one, when the cooling load of downhole unit is low
When the heat exchange load of shallow-layer transducing unit, the condensation waste heat that downhole unit generates can be recycled and be stored in soil horizon, as
The heat source of ground unit.Such as during heating, the thermal energy for being stored in soil horizon is provided to heat to the heating system of heat user.Cause
This mode is primarily adapted for use in underground cooling load, and not higher than the cooling load designed, (what i.e. shallow-layer transducing unit was capable of providing is changed
Thermic load) situation.
Operational mode two：
Referring to Fig. 3, the shallow-layer cold energy circulation temperature lowering for mine development end tunnel that Fig. 3 shows an embodiment of the present invention is removed
Status diagram of the wet and waste heat utilization system in normal cool-down dehumidification mode two.As shown in figure 3, cutting-off valve (21,23),
Open valve (13,14,22,24,25), can make system be in the mode.In this mode, the operational process of system include with
Lower three aspects：
In a first aspect, blower 33 extracts the fresh air of the high temperature and humidity in fresh air tunnel 36 and is sent into cooling by air duct 341
In moist chamber 32.In cool-down dehumidification room 32, during new distinguished and admirable right-to-left flowing, low temperature salting liquid is by nozzle with suitable
Stream injection and the mode that combines of upstream injection formed misty liquid droplets and with high temperature and humidity it is new it is distinguished and admirable contact, abundant caloic exchanges
Afterwards, the new distinguished and admirable vapor wherein condensed that cooled down is taken away by low temperature salting liquid, realizes and handles the cool-down dehumidification of fresh air, cooling
Air after dehumidifying is sent into digging laneway 35 by the second air duct 342 and is mixed with the distinguished and admirable of the high temperature and humidity in it, mentions
The high comfort level of working environment at coal mines.
Second aspect, cool-down dehumidification treated low temperature salting liquid temperature rise, pass through after cool-down dehumidification room bottom is collected
Booster pump 31 is pumped into the inlet of the evaporation side in refrigeration unit 30, returns to cooling after being cooled down in refrigeration unit 30 and removes
In moist chamber 32, salting liquid circulation is formed, so that cool-down dehumidification room 32 be enable to continue to provide for dropping the feeding of fresh air tunnel 36
The fresh air of warm moist chamber 32 carries out the low temperature salting liquid of cool-down dehumidification.
The condensation side of the third aspect, refrigeration unit 30 adds the low-temperature circulating water of the evaporation side from heat pump unit 10
Become high temperature circulation water after heat, under the action of second circulation pump 26, high temperature circulation water enter the evaporation side of heat pump unit 10 into
Row heat exchange, temperature return to refrigeration unit 30 after reducing.That is, by recirculated water in heat pump unit 10 and refrigeration
Fluid interchange between unit 30, thus on the one hand ensure that the evaporation side of refrigeration unit can continue to provide enough cooling capacity from
And effectively cooled down to the raised salting liquid of the temperature returned out of cool-down dehumidification room 32, it on the other hand ensure that heat pump machine
The condensation side of group can continue to provide hot water of enough heats to enable heat user 12 to obtain ideal temperature.
It should be noted that the operational mode is normal cool-down dehumidification mode two, due to being mainly by well under the mode
Heat source of the thermal energy as ground unit that lower unit generates, therefore the mode is primarily adapted for use in ground unit thermal load demands
Situation is such as suitable for summer, and terrestrial user has hot water demand at this time and soil horizon is in the higher state of temperature.Specifically,
The higher soil horizon of temperature individually can not provide enough cooling capacity to salting liquid.And for bargh, the work worked in three shifts
People's essential ring after well out is exactly to have a bath, and otherwise coal ash, kerosene lamp cause human body sensory extremely uncomfortable, therefore heat
Water demand is larger, therefore has been able in the case of the normal operation of underground to the enough cooling capacity of salting liquid.System " jump " at this time
It crosses the caloic that soil horizon only passes through between ground unit and downhole unit and exchanges the cool-down dehumidification realized to downhole unit.
Operational mode three：
Referring to Fig. 4, the shallow-layer cold energy circulation temperature lowering for mine development end tunnel that Fig. 4 shows an embodiment of the present invention is removed
Status diagram of the wet and waste heat utilization system in non-cool-down dehumidification mode.As shown in figure 4, cutting-off valve (21,22,24,25),
Open valve (13,14,23), can make system be in the mode.In this mode, each equipment of downhole unit is in shutdown
State, therefore refrigeration unit is without refrigeration requirement.That is, in this mode, mainly shallow-layer transducing unit and ground unit
Between caloic exchange.
Specifically, on the one hand, under the action of second circulation pump 26, the high temperature circulation water from energy converter 20 enters heat
The low-temperature circulating water of the evaporation side of pump assembly 10 carries out heat exchange, the high temperature circulation water release thermal temperature drop from energy converter 20
Energy converter 20 is reentered after low, the low-temperature circulating water of the evaporation side of heat pump unit 10 is heated after temperature increases and returns to heat pump
The condensation side of unit 10 simultaneously persistently provides hot water to heat user 12.
That is, being made the low-temperature circulating water of ground unit and the soil progress of shallow-layer transducing unit by means of energy converter 20
Heat exchange provides continuously heat user 12 on well to ensure that the condensation side of heat pump unit 10 can continue to obtain enough heats
Continuous hot water.
Such as in a kind of specific example, second circulation pump 26 extracts 18 DEG C of the high temperature circulation from shallow-layer transducing unit
Water, the evaporation side in heat pump unit 10 return to energy converter 20 after being cooled to 10 DEG C and are reheated, and form first water
Circulation.At the same time, the water of heat pump unit 10 absorbs this partial heat and provides continuously condensing lateral heat user 12
45 DEG C or so of hot water forms second water circulation.
It should be noted that in this mode, the equipment of downhole unit is in shutdown status therefore does not have cool-down dehumidification
Demand, that is to say, that cooling and dehumidifying system do not need at this time generate can to downhole unit provide cooling capacity cooling load.This
When, heat demand is used come the contentedly heat user 12 of upper unit by drawing the thermal energy in soil locating for shallow-layer heat exchange unit,
Such as be suitable for the spring, autumn, winter downhole unit are not necessarily to cool-down dehumidification, soil horizon temperature is higher and the heat demand of heat user compared with
The situation of (such as hot water, heating) greatly.At this point, without downhole unit intervention system can " sparetime " realize to ground unit
Heat supply.
Operational mode four：
Referring to Fig. 5, the shallow-layer cold energy circulation temperature lowering for mine development end tunnel that Fig. 5 shows an embodiment of the present invention is removed
Status diagram of the wet and waste heat utilization system in excess load cool-down dehumidification mode.As shown in figure 5, cutting-off valve (21,22,
23), Open valve (13,14,24,25), can make system be in the mode.In this mode, the operational process of system includes
Three aspects below：
It is removed in a first aspect, blower 33 extracts the fresh air of the high temperature and humidity in fresh air tunnel 36 and is sent into cooling by air duct 34
In moist chamber 32.In cool-down dehumidification room 32, during new distinguished and admirable right-to-left flowing, low temperature salting liquid is by nozzle with fair current
Injection and the mode that combines of upstream injection formed misty liquid droplets and with high temperature and humidity it is new it is distinguished and admirable contact, abundant caloic exchanges
Afterwards, the new distinguished and admirable vapor wherein condensed that cooled down is taken away by low temperature salting liquid, realizes and handles the cool-down dehumidification of fresh air, cooling
Air after dehumidifying is sent into digging laneway 35 by the second air duct 342 and is mixed with the distinguished and admirable of the high temperature and humidity in it, improves
The comfort level of working environment at coal mines.
Second aspect, cool-down dehumidification treated low temperature salting liquid temperature rise, pass through after cool-down dehumidification room bottom is collected
Booster pump 31 is pumped into the inlet of the evaporation side in refrigeration unit 30, returns to cooling after being cooled down in refrigeration unit 30 and removes
In moist chamber 32, salting liquid circulation is formed, so that cool-down dehumidification room 32 be enable to continue to provide for dropping the feeding of fresh air tunnel 36
The fresh air of warm moist chamber 32 carries out the low temperature salting liquid of cool-down dehumidification.
The third aspect, the condensation side of refrigeration unit 30 become height after heating to the low-temperature circulating water from energy converter 20
Warm recirculated water, further, this part high temperature circulation water enter the evaporation of heat pump unit 10 under the action of second circulation pump 26
Side carries out heat exchange, and temperature returns to energy converter 20 after reducing, in energy converter 20 and after the inbuilt soil horizon heat exchange of energy converter institute
Circulating water temperature further decreases, and finally returns to refrigeration unit 30.That is, passing through the association of heat pump unit 10 and energy converter 20
Make, the heat pump unit of the high temperature circulation water and ground unit that generate downhole unit and the soil horizon of shallow-layer transducing unit carry out
Heat exchange, so that it is molten to the raised salt of temperature from cool-down dehumidification room 32 to ensure that the evaporation side of refrigeration unit obtains enough cooling capacity
Liquid is effectively cooled down.
It should be noted that the operational mode is primarily adapted for use in the situation of downhole unit overload operation.In this mode,
The cool-down dehumidification load of downhole unit has been more than the heat storage capacity of shallow-layer transducing unit, needs to improve the defeated heat of system at this time,
Therefore by increasing the auxiliary of ground unit, thermal energy a part that downhole unit generates is digested by shallow-layer heat exchange unit, i.e.,
It exchanges heat with the inbuilt soil horizon of shallow-layer heat exchange unit, another part is digested by the heat user of ground unit, that is, is made
Heat source for ground unit provides hot water to heat user.
It should be further noted that above-mentioned downhole unit overload operation can there are two types of understand：The first understands
Be shallow-layer transducing unit level of refrigeration it is enough, for no other reason than that downhole unit temporarily has the demand of overload operation, caught up with as concentrated
The situations such as project progress.Second of understanding is the level of refrigeration decline of shallow-layer transducing unit, i.e., it is higher to be in temperature for soil horizon
State, and either independent i.e. shallow-layer transducing unit or ground unit are not enough to realize the cooling to salting liquid.At this time
Downhole unit can be concentration described in the first situation and catch up with the special statuss such as project progress, is also possible to downhole unit and normally transports
The condensation waste heat that is merely creating of row is greater than either one the i.e. situation that can digest of shallow-layer transducing unit or ground unit, the present invention
Mainly for the situation that latter understands, in this case, the end by that " can digest two " heat is together in series, with association
The mode of work realizes the cooling to salting liquid.
In order to reduce the loss of heat/cold, the present invention to water circulating pipe (such as between refrigeration unit, energy converter with heat
Pipeline between pump assembly) and salting liquid circulating line (pipeline such as between cool-down dehumidification room and refrigeration unit) kept the temperature
Processing, such as in the external covered composite yarn silicate heat-protective coatings of water circulating pipe, the external cladding of salting liquid circulating line is fire-retardant
Rubber-plastic sponge heat-insulating material.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of protection of the claims
Subject to.
Claims (10)
1. a kind of dehumidifying of shallow-layer cold energy circulation temperature lowering and waste heat utilization system for mine development end tunnel, the digging laneway tool
There is driving face, which is characterized in that the system comprises：
Slider is set in the digging laneway, and the slider is tubular structure, and the inside of the tubular structure is formed
There is interior tunnel, the outside of the tubular structure and the digging laneway form outer tunnel；And
Be distributed from top to bottom and can be connected to ground unit, shallow-layer transducing unit and with the interior tunnel and the outer tunnel point
The downhole unit not being connected to,
Wherein, the ground unit includes heat pump unit, and the inlet and outlet of the evaporation side of the heat pump unit are matched respectively
It is equipped with the first valve and the second valve, switches the opening of first valve and second valve/closed state will pass through and adjusts
Whether the whole recirculated water for carrying out caloic exchange flows through the heat pump unit；
Wherein, the shallow-layer transducing unit includes energy converter, and the energy converter is embedded in the soil horizon of underground, and the energy converter
Configured with valve group, the valve group includes multiple valves and the valve group is arranged to by switching each valve
Open/closed state adjusts the flow path of the recirculated water for carrying out caloic exchange.
2. the dehumidifying of shallow-layer cold energy circulation temperature lowering and Waste Heat Reuse system according to claim 1 for mine development end tunnel
System, which is characterized in that the shallow-layer transducing unit include second circulation pump, the valve group include third valve, the 4th valve,
5th valve, the 6th valve, the 7th valve, the energy converter and second circulation are pumped to be connected to form closed loop by pipeline,
Wherein, the water inlet of the second circulation pump is connect with the downhole unit and the 6th valve is set to the two
Between, the water outlet of the second circulation pump is connect with first valve, and the 4th valve and the 7th valve are successively gone here and there
Join and be set between second valve and the downhole unit, the 5th valve is set to the water outlet of the energy converter
Between the water inlet of the second circulation pump, the water outlet that the third valve is set to the second circulation pump is changed with described
Between the water inlet of energy device.
3. the dehumidifying of shallow-layer cold energy circulation temperature lowering and Waste Heat Reuse system according to claim 2 for mine development end tunnel
System, which is characterized in that the downhole unit includes refrigeration unit, cool-down dehumidification room and booster pump, the cool-down dehumidification room and institute
Interior tunnel and the outer tunnel to be stated to be respectively communicated with, the water inlet of the condensation side of the refrigeration unit is connect with the 7th valve,
The water outlet of the condensation side of the refrigeration unit is connect with the 6th valve,
The liquid outlet of the evaporation side of the refrigeration unit is connect with the cool-down dehumidification room, the cool-down dehumidification room and the refrigeration
The inlet of the evaporation side of unit connects and the booster pump is set to therebetween；
Wherein, the interior tunnel and the outer tunnel pass through air return lane and are connected to outside, to guarantee in the digging laneway
Gas circulation.
4. the dehumidifying of shallow-layer cold energy circulation temperature lowering and Waste Heat Reuse system according to claim 3 for mine development end tunnel
System, which is characterized in that the downhole unit includes blower, the first air duct and the second air duct,
Wherein, it is connect by first air duct with the air inlet of the cool-down dehumidification room with the fresh air tunnel of outside connection, with
Just the fresh air for introducing the high temperature and humidity of underground in the fresh air tunnel from ground is sent into cool-down dehumidification room；
Wherein, the air outlet of the cool-down dehumidification room is connected by second air duct with the interior tunnel and the outer tunnel respectively
It connects, so that the air after cool-down dehumidification is sent into the interior tunnel and the outer tunnel.
5. the dehumidifying of shallow-layer cold energy circulation temperature lowering and Waste Heat Reuse system according to claim 4 for mine development end tunnel
System, which is characterized in that the tubular structure has the first wall body and the tubular in the end close to the driving face
Structure is provided with the second wall body in the end far from the driving face,
The outer tunnel includes the annulus formed by the side wall of the tubular structure and the digging laneway and by described
The stylolitic part that first wall body, the side wall of the digging laneway and the driving face are formed,
Second air duct is connected to axially through the downstream in the interior tunnel and second air duct with the stylolitic part,
Second air duct is provided with intercommunicating pore group, the intercommunicating pore group, second air duct in the part for being contained in the interior tunnel
It is connected to by the intercommunicating pore group with the interior tunnel.
6. the dehumidifying of shallow-layer cold energy circulation temperature lowering and Waste Heat Reuse system according to claim 5 for mine development end tunnel
System, which is characterized in that the intercommunicating pore group includes at least one intercommunicating pore unit being axially distributed along second air duct, institute
Stating intercommunicating pore unit includes at least one circumferentially distributed intercommunicating pore along second air duct.
7. the dehumidifying of shallow-layer cold energy circulation temperature lowering and Waste Heat Reuse system according to claim 5 for mine development end tunnel
System, which is characterized in that the slider includes separation layer, and the separation layer is made by heat-barrier material and/or every wet stock；Or
The slider includes matrix, and the separation layer is provided at least part of described matrix.
8. the dehumidifying of shallow-layer cold energy circulation temperature lowering and Waste Heat Reuse system according to claim 4 for mine development end tunnel
System, which is characterized in that be provided with solution line in the cool-down dehumidification room, the solution line include main line and with it is described
Multiple bye-passes that main line is respectively communicated with are distributed with by multiple nozzles on the bye-pass,
Wherein, the liquid outlet of the evaporation side of the refrigeration unit is connect with the main line；
Wherein, the bye-pass is located at the lower section of the main line and has angle, the cool-down dehumidification room with the main line
Liquid outlet be located at side wall close to the position of lower section, to make the solution ejected from the nozzle be collected to the cool-down dehumidification
The liquid outlet of room and the evaporation side for being pumped into the refrigeration unit again by the booster pump form solution circulation.
9. the dehumidifying of shallow-layer cold energy circulation temperature lowering and Waste Heat Reuse system according to claim 8 for mine development end tunnel
System, which is characterized in that the air inlet of the cool-down dehumidification room and the orientation of air outlet are arranged to increase from the fresh air
The fresh air of the high temperature and humidity in tunnel is during the air inlet by the cool-down dehumidification room flow to air outlet and from the nozzle
The contact area of the solution ejected；And/or
The injection direction of each nozzle is same or different on the same main line, the nozzle on the different main lines
Injection direction it is same or different.
10. shallow-layer cold energy circulation temperature lowering dehumidifying according to any one of claim 1 to 9 for mine development end tunnel and
Waste heat utilization system, which is characterized in that the ground unit include first circulation pump, with heat demand heat user with it is described
Heat pump unit forms closed loop, and the first circulation pump is set to the water outlet and the heat user of the condensation side of the heat pump unit
Water inlet between.
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| CN201810870177.5A CN108915754B (en) | 2018-08-02 | 2018-08-02 | Shallow cold energy circulating cooling dehumidification and waste heat utilization system for mine excavation roadway |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110529170A (en) * | 2019-08-30 | 2019-12-03 | 中国矿业大学 | Mine thermal environment dehumidifying regenerative system and method |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201358809Y (en) * | 2009-03-09 | 2009-12-09 | 山东同方能源工程技术有限公司 | System for temperature reduction and moisture removal in coal pit |
| CN201679513U (en) * | 2010-05-20 | 2010-12-22 | 山东科技大学 | Working face separated local dehumidification and cooling device |
| CN202718702U (en) * | 2012-07-12 | 2013-02-06 | 北京矿大节能科技有限公司 | Underground cooling and waste heat recycling system of mine |
| CN102767387A (en) * | 2012-07-25 | 2012-11-07 | 湖南科技大学 | Excavation tunnel heat-insulation flow-dividing heat discharge cooling method |
| CN203432151U (en) * | 2013-08-21 | 2014-02-12 | 湖南科技大学 | Mine heat source energy and wet source energy collection and utilization system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529170A (en) * | 2019-08-30 | 2019-12-03 | 中国矿业大学 | Mine thermal environment dehumidifying regenerative system and method |
| CN110529170B (en) * | 2019-08-30 | 2020-06-30 | 中国矿业大学 | Mine thermal environment dehumidification regeneration system and method |
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| Publication number | Publication date |
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| CN108915754B (en) | 2020-10-16 |
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