CN207299587U - A kind of ground can the tree-shaped multiple spot heat exchange utilization system of hot dry rock - Google Patents
A kind of ground can the tree-shaped multiple spot heat exchange utilization system of hot dry rock Download PDFInfo
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- CN207299587U CN207299587U CN201720400770.4U CN201720400770U CN207299587U CN 207299587 U CN207299587 U CN 207299587U CN 201720400770 U CN201720400770 U CN 201720400770U CN 207299587 U CN207299587 U CN 207299587U
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Abstract
The tree-shaped multiple spot heat exchange utilization system of a kind of ground energy hot dry rock, belongs to clean energy technology field, solves the technical problem of low ground energy hot dry rock heat extraction efficiency, underground heat exchange fluid loss rate height and geothermal energy extraction process real time monitoring, and solution is：It includes heat-exchange system, monitoring system, heating system and electricity generation system, low-temperature heat exchange medium and the xeothermic rock stratum with high-temperature geothermal energy are exchanged heat by heat-exchange system, high temperature heat transferring medium after heat exchange is connected with heating system with the inlet of electricity generation system respectively, heating system is connected with heat-exchange system respectively with the liquid outlet of electricity generation system, and monitoring system monitors the heat transfer process of heat-exchange system；The utility model heat exchanger tube improves heat exchange efficiency while reducing the heat transferring medium wasting of resources, main shaft and auxiliary shaft are in tree-shaped distribution, being conducive to the dry-hot-rock geothermal of high-efficiency intensifying can exchange heat, and monitoring system heat exchanging real-time process monitoring, realizes the adjustable supply of heat source.
Description
Technical field
The utility model belongs to clean energy technology field, and more particularly to a kind of ground can the tree-shaped multiple spot heat exchange synthesis of hot dry rock
Utilize system.
Background technology
Geothermal energy resources have and are distributed extensively, by extraneous shadow compared with other new energy such as solar energy, wind energy and biomass energy
Sound is small（Such as round the clock, wind speed, the temperature difference）, the features such as carbon emission amount and maintenance cost are low, geothermal energy resources are broadly divided into hot water type and dry
Hot lithotype, xeothermic lithotype underground heat refer to the heat being stored in depth 3-10km high heat rock mass or magma, and reservoir temperature is up to 100
~650 DEG C.Low temperature underground heat only accounts for the minimum part for verifying geothermal energy resources in the hot water type that countries in the world mainly utilize at present, and
The reserves of high temperature dry-hot-rock geothermal resource on earth are enriched and temperature is high.Shown according to national departments concerned latest data,
Equivalent to 860,000,000,000,000 tons mark coals of 3 ~ 10 km depths hot dry rock total resources of China mainland；If 2% can be produced, it is equivalent to
The disposable total energy consumption in the whole nation in 2010（32.5 hundred million tons of mark coals）5300 times.So exploitation pole of high temperature dry-hot-rock geothermal
It is possible to make major contribution for China's energy-saving and emission-reduction and new round Energy restructuring, reasonably exploits reservoir deep earth heart energy
It is not only possible to play energy-saving and emission-reduction and energy corrective action, more can be that energy demand from far-off regions provides safeguard.
High temperature Development of Geothermal Resources has very big technological challenge.Therefore, American scientist is proposed using enhancedly
The mode of hot systems is developed, and dry-hot-rock geothermal utilizes and requires to form extensive rock fracture in underground in the prior art, is led to
Cross water and flow through crack realization and the heat exchange of hot dry rock.In other words, underground heat water storage storehouse is produced.At present, mainly have manually
High pressure crack, natural fissure, natural fissure-tomography Three models, wherein most study are artificial high pressure crack patterns, i.e., logical
Cross artificial high pressure fluid injection makes original minute fissure in rock stratum open or be produced newly by water cooling contracting by force to shaft bottom, high pressure water flow
Crack, water circulate between these cracks, complete the water circulation system heat exchanging process that fluid injection well and producing well are formed.Due to dry
Hot rock has the characteristics such as permeability is low, porosity is low, reservoir position is deep, causes geothermal utilization efficiency low, i.e., stratum thermal extraction is imitated
Rate is low and underground heat exchange fluid loss rate is high.
On the whole, hot dry rock drilling technology has not been a problem, and leakage problem caused by reservoir fracturing uncontrollability and oozes
The high efficiency flow of circulation road is to restrict the main problem of hot dry rock exploitation.Up to the present, can also efficiently pacify again without one kind
Full dry-hot-rock geothermal mining type, usually pumps collection heat source using heat source and is used to heat and generate electricity, energy consumption is big, Er Qiewei
Geothermal energy extraction process can be monitored in real time.
Utility model content
In order to solve the deficiencies in the prior art, solution ground energy hot dry rock heat extraction efficiency is low, underground heat exchange stream
The high technical problem with geothermal energy extraction process real time monitoring of body turnover rate, it is tree-shaped that the utility model provides a kind of ground energy hot dry rock
Multiple spot heat exchange utilization system.
The utility model is achieved by the following technical programs.
The tree-shaped multiple spot heat exchange utilization system of a kind of ground energy hot dry rock, it includes heat-exchange system, monitoring system, heating system
System and electricity generation system, the heat-exchange system include set of heat exchange tubes, heat exchange well and separating plate, the set of heat exchange tubes including heat exchanger tube,
Heat exchange encapsulation casing, set of data lines spool, liquid injection pipe, liquid suction pipe, drawing liquid pump, fluid injection control valve, drawing liquid control valve and clad；
The heat exchange well includes main shaft and auxiliary shaft；The monitoring system include control module, data collecting system, data transmission system,
Data processing module and display module, it is characterised in that：
Low-temperature heat exchange medium and the xeothermic rock stratum with high-temperature geothermal energy are exchanged heat by heat-exchange system, the high temperature after heat exchange
Heat transferring medium is connected with heating system with the inlet of electricity generation system respectively, the liquid outlet of heating system and electricity generation system respectively with
Heat-exchange system connects, and monitoring system monitors the heat transfer process of heat-exchange system；
In the heat-exchange system：
Hollow heat exchanger tube monomer, more descending heat exchanger tubes of internal diameter are compiled into by carbon fiber and titanium nickel wire are blended
Monomer is set-located to form heat exchanger tube from inside to outside, sets and has the gap between adjacent two layers of heat exchanger tube monomer；The heat exchange envelope
Tubing side wall is provided with cavity, and heat exchanger tube is packaged in the cavity of heat exchange encapsulation casing, the heat exchange encapsulation after some encapsulation
Casing is encircled in cylinder, forms set of heat exchange tubes, and set of heat exchange tubes is wrapped with clad, the sky of the heat exchange encapsulation sleeve side walls
Intracavitary is additionally provided with set of data lines spool, and set of data lines spool is integrally formed with heat exchange encapsulation casing, set of data lines spool inner wall
Heat insulating coat is provided with, data cable is arranged at composition data Transmission system in set of data lines spool；Heat exchange encapsulation internal surface of sleeve pipe is set
Liquid injection pipe and liquid suction pipe are equipped with, liquid injection pipe is integrally formed with heat exchange encapsulation casing, and the liquid injection pipe extends to heat exchange encapsulation casing
Bottom, the liquid suction pipe are arranged at the top of heat exchange encapsulation internal surface of sleeve pipe, drawing liquid control valve are both provided with every liquid suction pipe, if
Dry tap liquid pipe accumulates main liquid suction pipe, and drawing liquid pump is provided with main liquid suction pipe water outlet, fluid injection control valve is provided with liquid injection pipe,
Control module control drawing liquid pump, fluid injection control valve and the drawing liquid control valve are turned on and off；
The main shaft is vertically arranged in earth's surface, and main shaft bottom is provided with separating plate, and main shaft bottom surface connects with some auxiliary shafts
Logical, the auxiliary shaft is combined by vertical shaft or the well of inclined shaft or horizontal well or above-mentioned different shape and is formed, vertical shaft, inclined shaft and level
Well is end to end, sets the angle and depth of horizontal well in each auxiliary shaft respectively according to geothermal energy actual reserves；Set of heat exchange tubes is set
It is placed in main shaft, after separating plate separates, heat exchanger tube extends respectively in corresponding auxiliary shaft set of heat exchange tubes；In the main shaft and auxiliary shaft
Wall is both provided with casing；
In the monitoring system：Data collecting system is arranged in heat-exchange system, and data collecting system is by the data of collection
Data processing module is sent to by data transmission system, data processing module signal output part respectively with display module and control
Modular electrical connects；The data collecting system includes temperature sensor, flow sensor and vacuum level detector, along heat exchange envelope
If encapsulation inside pipe wall is respectively arranged with dry temperature sensor every 100 ~ 150 meters, along heat exchange encapsulation sleeve outer wall every 300 ~ 500
If rice is also respectively arranged with dry temperature sensor；In top, middle part and the liquid pumping hole and liquid injection port of heat exchange encapsulation internal surface of sleeve pipe
Place is respectively arranged with flow sensor；In the cavity of heat exchange encapsulation sleeve side walls, it is respectively arranged with every 100 ~ 150 meters some
Vacuum level detector；Temperature sensor, flow sensor are connected with the data cable respectively with vacuum level detector.
Further, the separating plate includes separating plate pedestal, separating sliced and guide plate, and separating sliced is vertically arranged at
On separating plate pedestal upper surface, separating sliced cutting edge is upward, and heat exchanger tube is provided between separating sliced on separating plate pedestal
By hole, guide plate is arranged at heat exchanger tube and passes through below hole.
Further, the material of the casing is steel pipe.
Further, the mass ratio of titanium and nickel is in the titanium nickel wire：WTi%：WNi%=（44~46）%：（54~56）%.
Further, the heat transferring medium is either that water is either that ethanol is either acetone or is trichlorine trifluoro second
Alkane.
The utility model has the advantages that compared with prior art.
The Application way of the tree-shaped multiple spot heat exchange utilization system of ground energy hot dry rock, carries out successively according to the following steps：
A, the preparation of heat-exchange system and the encapsulation of data collecting system and data transmission system：
The preparation of heat exchanger tube monomer：According to production zone geothermal energy actual conditions are treated, the ratio of pure titanium and pure nickel is adjusted, is melted
Refine pure titanium and titanium nickel wire is made with pure nickel, using the whole memory effect of Ti-Ni alloy memory metal, by carbon fiber and titanium nickel
The blended some heat exchanger tube monomers for being compiled into different diameter specifications of wire；The preparation and encapsulation of heat exchanger tube：It is straight by 5 ~ 10
The heat exchanger tube monomer of footpath from small to large is set-located, and heat exchanger tube is made；Heat exchanger tube is positioned over heat exchange encapsulation sleeve side walls
In cavity, by temperature sensor, flow sensor and vacuum level detector respectively be correspondingly arranged in heat exchange encapsulation casing inner wall,
Outer wall after data cable is electrically connected with temperature sensor, flow sensor and vacuum level detector respectively with cavity, setting
In in set of data lines spool, finally heat exchanger tube is encapsulated, is in vacuum state in heat exchange encapsulation collar cavities, and heat exchange is encapsulated into casing
Lower face seals；Secondly, the hole count of the auxiliary shaft bored as needed embraces some packaged heat exchanger tubes and heat exchange encapsulation sleeve ring
In cylinder, set of heat exchange tubes is formed；Finally, in set of heat exchange tubes outer wrapping clad, walk and use after remaining；
B, geothermal energy detection and drilling well：
Xeothermic rock stratum geothermal energy reserves under earth's surface are detected using geothermal energy detecting devices, select geothermal energy large storage capacity
Region, main shaft 121 is bored on the region selected using oil-well drilling equipment, drilling depth is 1500 meters ~ 2000 meters, Ran Hougen
According to geothermal energy go out heat position under main shaft drill with ferrule different angle, different depth some auxiliary shafts, auxiliary shaft depth for 2000 meters ~
6000 meters, casing is set in the main shaft and the inner wall of auxiliary shaft being drilled, on main shaft bottom placement separating plate, separating plate
Heat exchanger tube is overlapped by hole with auxiliary shaft oral area, is walked and is used after remaining；
C, the packaged set of heat exchange tubes of upper step is positioned in main shaft, set of heat exchange tubes Continued downward motion, through on separating plate
Separating sliced cutting after, clad rupture, heat exchanger tube through heat exchanger tube by behind hole guide plate effect under extend to auxiliary shaft
In；The temperature signal of collection is transmitted to number by the temperature sensor for being arranged at heat exchange encapsulation sleeve outer wall by data transmission system
According to processing module, data processing module shows the temperature of heat exchange encapsulation sleeve outer wall different phase by display module；
D, heat transferring medium filling and the control extracted：
The data of collection are transmitted to data processing module, data processing mould by data collecting system by data transmission system
Control signal is respectively sent to drawing liquid pump and fluid injection control valve by block control, and control module control drawing liquid pump is opened with fluid injection control valve
Open or close, the volume of the heat transferring medium in heat exchange encapsulation casing is reached dynamic balance；By drawing liquid pump by after heat exchange
High temperature heat transferring medium extracts heat exchange encapsulation casing out from liquid suction pipe, that is, obtains the heat transferring medium for carrying high-temperature geothermal energy；
E, the exchange and monitoring of geothermal energy：
Control module control fluid injection control valve is opened, and encapsulating filling low-temperature heat exchange in casing to heat exchange by liquid injection pipe is situated between
Matter, low-temperature heat exchange medium inject heat exchange encapsulation sleeve bottom by liquid injection pipe；Control module control fluid injection control valve is persistently opened,
Control module control fluid injection control valve adjustment fluid injection speed, low-temperature heat exchange medium pass through heat exchanger tube in heat exchange encapsulation casing tube chamber
Exchange heat with external high temperature hot dry rock；In heat transfer process：The flow sensor for being arranged at heat exchange encapsulation internal surface of sleeve pipe is passed by data
The flow velocity signal of collection is transmitted to data processing module by defeated system, and data processing module shows heat exchange encapsulation by display module
The flow velocity of heat transferring medium different phase in casing；The temperature sensor for being arranged at heat exchange encapsulation internal surface of sleeve pipe passes through data transmission system
The temperature signal of collection is transmitted to data processing module by system, and data processing module shows heat exchange encapsulation casing by display module
The temperature of the heat transferring medium of inner wall different phase；In heat transferring medium heat transfer process, it is arranged at true in heat exchange encapsulation collar cavities
Reciprocal of duty cycle detector is led to the vacuum signal transmission of collection to data processing module, data processing module by data transmission system
Cross the vacuum in display module display heat exchange encapsulation casing；
F, high temperature heat transferring medium recycles
The high temperature heat transferring medium that preceding step obtains is connected with heating system with electricity generation system water inlet respectively, and is passed through in real time
The device for monitoring temperature of heating system and heat transferring medium in electricity generation system obtains the temperature of heat transferring medium, by the relatively low heat exchange of temperature
Medium refills heat-exchange system by inlet tube and exchanges heat, and recycles.
The tree-shaped multiple spot heat exchange utilization system of a kind of ground energy hot dry rock provided by the utility model, heat exchanger tube are fine using carbon
Peacekeeping titanium nickel wire is blended to be compiled into, when ambient temperature is higher than the design temperature of titanium nickel wire, the seam between heat exchanger tube
Gap reduces, and heat exchanger tube is close to rock stratum, increase and the contact area of heat source；When ambient temperature is less than the design temperature of titanium nickel wire
When, the gap increase between heat exchanger tube, forms thermal insulation layer, takes the heat in thermal medium to not easily run off to external environment；In addition, change
Heat pipe also has corrosion-resistant, heat-resisting, durable characteristic.Heat exchange sleeve constrains the loss of heat transferring medium, is conducive to save water money
Source, improves heat exchange efficiency.In addition, main shaft and auxiliary shaft are in tree-shaped distribution, drilling well number is reduced, is conducive to the dry of high-efficiency intensifying
Hot rock geothermal energy heat exchange.Monitoring system heat exchanging real-time process monitoring, the demand according to heating system with electric power system to heat,
The open and close that drawing liquid control valve is controlled on each liquid suction pipe are controlled, realize the adjustable supply of heat source.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present invention.
Fig. 2 is horizontal cross-sectional schematic diagram at the single heat exchange tube mouth of pipe.
Plan structure sectional view at Fig. 3 separating plates.
Fig. 4 is separating plate schematic top plan view.
Fig. 5 is separating plate schematic front view.
Fig. 6 is horizontal well end part sectioned view.
In figure, 1 is heat-exchange system, and 11 be set of heat exchange tubes, and 111 be heat exchanger tube, and 112 be heat exchange encapsulation casing, and 113 be data
Line collection spool, 114 be liquid injection pipe, and 115 be liquid suction pipe, and 116 be drawing liquid pump, and 117 be fluid injection control valve, and 118 be drawing liquid control valve,
119 be clad, and 12 be heat exchange well, and 121 be main shaft, and 122 be auxiliary shaft, and 1221 be vertical shaft, and 1222 be inclined shaft, and 1223 be level
Well, 13 be separating plate, and 131 be separating plate pedestal, and 132 be separating sliced, and 133 be guide plate, and 134 are by hole, 2 for heat exchanger tube
Monitoring system, 21 modules in order to control, 22 be data collecting system, and 23 be data transmission system, and 24 be data processing module, and 25 are
Display module, 3 be heating system, and 4 be electricity generation system, and I is the Ith auxiliary shaft, and II is the IIth auxiliary shaft, and III is the IIIth auxiliary shaft, and IV is
IV auxiliary shaft.
Embodiment
Elaborate with reference to embodiment to the utility model：The present embodiment be using technical solutions of the utility model as
Premise is implemented, and gives detailed embodiment and specific operating process, but the scope of protection of the utility model is unlimited
In the following examples.
As shown in Fig. 1 ~ 6, the tree-shaped multiple spot heat exchange utilization system of a kind of ground energy hot dry rock, it includes heat-exchange system 1, prison
Control system 2, heating system 3 and electricity generation system 4, the heat-exchange system 1 include set of heat exchange tubes 11, heat exchange well 12 and separating plate 13,
The set of heat exchange tubes 11 includes heat exchanger tube 111, heat exchange encapsulation casing 112, set of data lines spool 113, liquid injection pipe 114, liquid suction pipe
115th, drawing liquid pump 116, fluid injection control valve 117, drawing liquid control valve 118 and clad 119；The heat exchange well 12 includes main shaft 121
With auxiliary shaft 122；The monitoring system 2 includes control module 21, data collecting system 22, data transmission system 23, data processing
Module 24 and display module 25, wherein：
Low-temperature heat exchange medium and the xeothermic rock stratum with high-temperature geothermal energy are exchanged heat by heat-exchange system 1, the height after heat exchange
Warm heat transferring medium is connected with heating system 3 with the inlet of electricity generation system 4 respectively, heating system 3 and the liquid outlet of electricity generation system 4
Connected respectively with heat-exchange system 1, monitoring system 2 monitors the heat transfer process of heat-exchange system；
In the heat-exchange system 1：
Hollow heat exchanger tube monomer is compiled into by carbon fiber and titanium nickel wire are blended, titanium and nickel in the titanium nickel wire
Mass ratio is：WTi%：WNi%=44~46%：54~56%.The mass ratio of titanium and nickel is in the present embodiment：WTi%：WNi%=45%：55%, it is interior
More descending heat exchanger tube monomers of footpath are set-located to form heat exchanger tube 111 from inside to outside, adjacent two layers of heat exchanger tube monomer
Between set and have the gap；Heat exchange encapsulation 112 side wall of casing is provided with cavity, and heat exchanger tube 111 is packaged in heat exchange encapsulation casing
In 112 cavity, the heat exchange encapsulation casing 112 after some encapsulation is encircled in cylinder, forms set of heat exchange tubes 11, set of heat exchange tubes
11 are wrapped with clad 119, are additionally provided with set of data lines spool 113 in the cavity of heat exchange encapsulation 112 side wall of casing, number
It is integrally formed according to line collection spool 113 and heat exchange encapsulation casing 112,113 inner wall of set of data lines spool is provided with heat insulating coat, data
Line is arranged at composition data Transmission system 23 in set of data lines spool 113；Heat exchange encapsulation 112 inner wall of casing is provided with liquid injection pipe
114 and liquid suction pipe 115, liquid injection pipe 114 is integrally formed with heat exchange encapsulation casing 112, and the liquid injection pipe 114 extends to heat exchange encapsulation
112 bottom of casing, the liquid suction pipe 115 are arranged at the top of heat exchange encapsulation 112 inner wall of casing, are all provided with every liquid suction pipe 115
Drawing liquid control valve 118 is equipped with, some liquid suction pipes 115 accumulate main liquid suction pipe, drawing liquid pump is provided with main liquid suction pipe water outlet
116, fluid injection control valve 117 is provided with liquid injection pipe 114, the control module 26 controls drawing liquid pump 116, fluid injection control valve 117
It is turned on and off with drawing liquid control valve 118；
The main shaft 121 is vertically arranged in earth's surface, and 121 bottom of main shaft is provided with separating plate 13,121 bottom surface of main shaft with
Some auxiliary shafts 122 connect, and the auxiliary shaft 122 is by vertical shaft 1221 or inclined shaft 1222 or the well of horizontal well 1223 or above-mentioned different shape
Any combination is formed, and vertical shaft 1221, inclined shaft 1222 and horizontal well 1223 are end to end, are set respectively according to geothermal energy actual reserves
The angle and depth of horizontal well 1223 in each auxiliary shaft 122；Set of heat exchange tubes 11 is arranged in main shaft 121, and set of heat exchange tubes 11 is through dividing
After being separated from plate 13, heat exchanger tube 111 is extended respectively in corresponding auxiliary shaft 122；The main shaft 121 is respectively provided with 122 inner wall of auxiliary shaft
There is casing 123, the material of the casing 123 is steel pipe；
In the monitoring system 2：Data collecting system 22 is arranged in heat-exchange system 1, and data collecting system 22 will gather
Data data processing module 24 is sent to by data transmission system 23,24 signal output part of data processing module respectively with it is aobvious
Show that module 25 and control module 26 are electrically connected；The data collecting system 22 includes temperature sensor 221, flow sensor
222 are respectively arranged with some temperature sensing with vacuum level detector 223, edge heat exchange encapsulation 112 inner wall of casing every 100 ~ 150 meters
Device 221, if being also respectively arranged with dry temperature sensor 221 every 300 ~ 500 meters along heat exchange encapsulation 112 outer wall of casing；Exchanging heat
Encapsulate and be respectively arranged with flow sensor 222 at top, middle part and the liquid pumping hole and liquid injection port of 112 inner wall of casing；Exchanging heat
In the cavity for encapsulating 112 side wall of casing, some vacuum level detectors 223 are respectively arranged with every 100 ~ 150 meters；Temperature sensor
221st, flow sensor 222 is connected with the data cable respectively with vacuum level detector 223.
Further, the separating plate 13 includes separating plate pedestal 131, separating sliced 132 and guide plate 133, and separation is cut
Piece 132 is vertically arranged on 131 upper surface of separating plate pedestal, and 132 cutting edge of separating sliced is upward, is located on separating plate pedestal 131
Heat exchanger tube is provided between separating sliced 132 by hole 134, guide plate 133 is arranged at heat exchanger tube and passes through the lower section of hole 134.
Further, the heat transferring medium is either that water is either that ethanol is either acetone or is trichlorine trifluoro second
Alkane.The heat transferring medium used in the present embodiment is water.
A kind of Application way of the tree-shaped multiple spot heat exchange utilization system of ground energy hot dry rock, carries out successively according to the following steps：
A, the preparation of heat-exchange system 1 and the encapsulation of data collecting system 22 and data transmission system 23：
The preparation of heat exchanger tube monomer：According to production zone geothermal energy actual conditions are treated, the ratio of pure titanium and pure nickel is adjusted, this
The mass ratio of titanium and nickel is in embodiment：WTi%：WNi%=45%：55%, titanium nickel wire is made with pure nickel in the pure titanium of melting, utilizes titanium
The whole memory effect of nickel alloy memory metal, is compiled into some of different diameter specifications by carbon fiber and titanium nickel wire are blended
Root heat exchanger tube monomer；The preparation and encapsulation of heat exchanger tube：The heat exchanger tube monomer of 5 ~ 10 diameters from small to large is set-located, is made
Obtain heat exchanger tube 111；Heat exchanger tube 111 is positioned in the cavity of heat exchange encapsulation 112 side wall of casing, by temperature sensor 21, flow velocity
Sensor 22 is correspondingly arranged in the inner wall, outer wall and cavity of heat exchange encapsulation casing 112 respectively with vacuum level detector 23, by number
Data cable line concentration is arranged at after being electrically connected respectively with temperature sensor 21, flow sensor 22 with vacuum level detector 23 according to line
In pipe 113, finally heat exchanger tube 111 is encapsulated, is in vacuum state in heat exchange encapsulation 112 cavity of casing, and heat exchange is encapsulated into casing 112
Lower face seals；Secondly, some packaged heat exchanger tubes 111 and heat exchange are encapsulated casing by the hole count of the auxiliary shaft bored as needed
112 encircle in cylinder, form set of heat exchange tubes 11；Finally, in 11 outer wrapping clad 115 of set of heat exchange tubes, walk and use after remaining；
B, geothermal energy detection and drilling well：
Xeothermic rock stratum geothermal energy reserves under earth's surface are detected using geothermal energy detecting devices, in present embodiment
The xeothermic rock stratum geothermal energy reserves used carry out detection device as V8, the region of geothermal energy large storage capacity are selected, using oil drilling
Equipment bores main shaft 121 on the region selected, and drilling depth is 1500 meters ~ 2000 meters, main shaft 121 in present embodiment
Drilling depth is：2000 meters；Then heat position is gone out in main shaft 121 times drill with ferrule different angles, different depth according to geothermal energy
Some auxiliary shafts 122,122 depth of auxiliary shaft are 2000 meters ~ 6000 meters, and auxiliary shaft 122 is provided with 4 in present embodiment, respectively
For the Ith auxiliary shaft, the IIth auxiliary shaft, the IIIth auxiliary shaft and the IVth auxiliary shaft, 4 122 upper ports of auxiliary shaft are evenly arranged in 121 lower end of main shaft
On mouth, wherein：1222 angle of inclination of inclined shaft is arranged to 45 ° in Ith auxiliary shaft, and the depth of the Ith auxiliary shaft setting horizontal well 1223 is
4000 meters, the angle of horizontal well is 90 °, and horizontal section length is 1000 meters；1222 angle of inclination of inclined shaft is set in IIth auxiliary shaft
For 45 °, it is 4500 meters that the IIth auxiliary shaft, which sets the depth of horizontal well 1223, and the angle of horizontal well 1223 is 45 °, 1223 sections of horizontal well
Length is 1000 meters；1222 angle of inclination of inclined shaft is arranged to 45 ° in IIIth auxiliary shaft, and the IIIth auxiliary shaft sets the depth of horizontal well 1223
For 5000m, the angle of horizontal well 1223 is 100 °, and 1223 segment length of horizontal well is 1000 meters；Inclined shaft 1222 inclines in IVth auxiliary shaft
Rake angle is arranged to 45 °, and it is 5000m that the IVth auxiliary shaft, which sets the depth of horizontal well 1223, and the angle of horizontal well 1223 is 45 °, water
1223 segment length of horizontal well is 1000 meters；Wherein, the Ith auxiliary shaft is identical with 1223 angle of horizontal well of the IIth auxiliary shaft, length is identical, deep
Degree is different, and the IIth auxiliary shaft is different from 1223 angle of horizontal well of the IIIth auxiliary shaft, length difference, depth are identical, the IIIth auxiliary shaft and the
1223 angle of horizontal well of IV auxiliary shaft is different, depth is identical, length is identical.In inner wall of the main shaft 121 being drilled with auxiliary shaft 122
Casing 123 is set, and the material of casing 123 be steel pipe in present embodiment, and separation is placed in 121 bottom of main shaft
Plate 13, the heat exchanger tube on separating plate 13 are overlapped by hole 134 with 122 oral area of auxiliary shaft, are walked and are used after remaining；
C, the packaged set of heat exchange tubes 1 of upper step is positioned in main shaft 21,1 Continued downward motion of set of heat exchange tubes, through separation
After 32 cutting of separating sliced on plate 3, clad 15 ruptures, and heat exchanger tube 11 is through heat exchanger tube by making behind hole 14 in guide plate 33
Extended under in auxiliary shaft 22；The temperature sensor 21 for being arranged at heat exchange encapsulation 112 outer wall of casing passes through data transmission system 23
The temperature signal of collection is transmitted to data processing module 24, data processing module 24 shows heat exchange encapsulation by display module 25
The temperature of 112 outer wall different phase of casing；
D, heat transferring medium filling and the control extracted：
The data of collection are transmitted to data processing module 24, data by data collecting system 22 by data transmission system 23
Processing module 24 is controlled is respectively sent to drawing liquid pump 116 and fluid injection control valve 117 by control signal, and control module 26 controls drawing liquid
Pump 116 is turned on and off with fluid injection control valve 117, the volume of the heat transferring medium in heat exchange encapsulation casing 112 is reached dynamic
Balance；Heat exchange encapsulation casing 112 out is extracted the high temperature heat transferring medium after heat exchange from liquid suction pipe 15 by drawing liquid pump 116, that is, is obtained
Carry the heat transferring medium of high-temperature geothermal energy；
E, the exchange and monitoring of geothermal energy：
Control module 26 controls fluid injection control valve 117 to open, and is encapsulated in casing 112 and filled to heat exchange by liquid injection pipe 114
Low-temperature heat exchange medium, the heat transferring medium used in the present embodiment is water；Low-temperature heat exchange medium injects heat exchange envelope by liquid injection pipe 114
112 bottom of tubing, since 112 bottom of heat exchange encapsulation casing is in xeothermic rock stratum position higher depth, so outer layer hot dry rock temperature
Degree, which is higher than to exchange heat, encapsulates the temperature of water in casing 112, and the gap in heat exchanger tube 111 between heat exchanger tube monomer reduces, heat exchanger tube 111
It is close to rock stratum, increase and the contact area of heat source, low-temperature heat exchange medium pass through 111 fast endothermic of heat exchanger tube；Control module 26 is controlled
Fluid injection control valve 117 processed is persistently opened, and control module 26 controls fluid injection control valve 117 to adjust fluid injection speed, low-temperature heat exchange medium
Exchanged heat in heat exchange encapsulation 112 tube chamber of casing by heat exchanger tube 111 and external high temperature hot dry rock, by liquid injection pipe 114 to heat exchange
Persistently inject low-temperature heat exchange medium in encapsulation casing 112, in heat exchange encapsulation casing 112 low-temperature heat exchange medium at the same time with xeothermic rock stratum
Exchange heat with high-temperature water, the low-temperature heat exchange medium heating newly injected, heat exchange encapsulates liquid level in casing 112 and constantly rises, when heat exchange is sealed
When the temperature of water is higher than the temperature of extraneous xeothermic rock stratum in tubing 112, the gap in heat exchanger tube 111 between heat exchanger tube monomer increases
Greatly, vacuum insulation layer is formed between heat exchanger tube monomer, high-temperature water outwardly radiates reduction, the heat in high-temperature water not easily run off to
External environment.In heat transfer process：The flow sensor 22 for being arranged at heat exchange encapsulation 112 inner wall of casing passes through data transmission system 23
The flow velocity signal of collection is transmitted to data processing module 24, data processing module 24 shows heat exchange encapsulation by display module 25
The flow velocity of heat transferring medium different phase in casing 112；The temperature sensor 21 for being arranged at heat exchange encapsulation 112 inner wall of casing passes through number
The temperature signal of collection is transmitted to data processing module 24 according to Transmission system 23, data processing module 24 passes through display module 25
The temperature of the heat transferring medium of display heat exchange encapsulation 112 inner wall different phase of casing；In heat transferring medium heat transfer process, heat exchange is arranged at
The vacuum level detector 23 in 112 cavity of casing is encapsulated by data transmission system 23 by the vacuum signal transmission of collection to number
According to processing module 24, data processing module 24 shows the vacuum in heat exchange encapsulation casing 112 by display module 25.
F, high temperature heat transferring medium recycles
The high temperature heat transferring medium that preceding step obtains is connected with heating system 3 with 4 water inlet of electricity generation system respectively, and is led in real time
The temperature of heating system 3 and the device for monitoring temperature acquisition heat transferring medium of heat transferring medium in electricity generation system 4 is crossed, temperature is relatively low
Heat transferring medium refills heat-exchange system by inlet tube and exchanges heat, and recycles.
The above, is only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
It is any to be familiar with those skilled in the art in the technical scope that the utility model discloses in this, the change that can be readily occurred in
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power
Subject to the protection domain that profit requires.
Claims (5)
1. the tree-shaped multiple spot heat exchange utilization system of a kind of ground energy hot dry rock, it includes heat-exchange system（1）, monitoring system（2）, supply
Heating system（3）With electricity generation system（4）, the heat-exchange system（1）Including set of heat exchange tubes（11）, heat exchange well（12）And separating plate
（13）, the set of heat exchange tubes（11）Including heat exchanger tube（111）, heat exchange encapsulation casing（112）, set of data lines spool（113）, fluid injection
Pipe（114）, liquid suction pipe（115）, drawing liquid pump（116）, fluid injection control valve（117）, drawing liquid control valve（118）And clad（119）；
The heat exchange well（12）Including main shaft（121）And auxiliary shaft（122）；The monitoring system（2）Including control module（21）, data adopt
Collecting system（22）, data transmission system（23）, data processing module（24）With display module（25）, it is characterised in that：
Pass through heat-exchange system（1）Low-temperature heat exchange medium and the xeothermic rock stratum with high-temperature geothermal energy are exchanged heat, the high temperature after heat exchange
Heat transferring medium respectively with heating system（3）With electricity generation system（4）Inlet connection, heating system（3）With electricity generation system（4）'s
Liquid outlet respectively with heat-exchange system（1）Connection, monitoring system（2）Monitor the heat transfer process of heat-exchange system；
The heat-exchange system（1）In：
Hollow heat exchanger tube monomer, more descending heat exchanger tube monomers of internal diameter are compiled into by carbon fiber and titanium nickel wire are blended
It is set-located to form heat exchanger tube from inside to outside（111）, set between adjacent two layers of heat exchanger tube monomer and have the gap；The heat exchange envelope
Tubing（112）Side wall is provided with cavity, heat exchanger tube（111）It is packaged in heat exchange encapsulation casing（112）Cavity in, some envelope
Heat exchange encapsulation casing after dress（112）It is in cylinder to encircle, and forms set of heat exchange tubes（11）, set of heat exchange tubes（11）It is wrapped with cladding
Layer（119）, the heat exchange encapsulation casing（112）Set of data lines spool is additionally provided with the cavity of side wall（113）, data cable line concentration
Pipe（113）Casing is encapsulated with heat exchange（112）It is integrally formed, set of data lines spool（113）Inner wall is provided with heat insulating coat, data cable
It is arranged at set of data lines spool（113）Interior composition data Transmission system（23）；Heat exchange encapsulation casing（112）Inner wall is provided with fluid injection
Pipe（114）And liquid suction pipe（115）, liquid injection pipe（114）Casing is encapsulated with heat exchange（112）It is integrally formed, the liquid injection pipe（114）Prolong
Extend heat exchange encapsulation casing（112）Bottom, the liquid suction pipe（115）It is arranged at heat exchange encapsulation casing（112）The top of inner wall, often
Root liquid suction pipe（115）On be both provided with drawing liquid control valve（118）, some liquid suction pipes（115）Accumulate main liquid suction pipe, main liquid suction pipe
Drawing liquid pump is provided with water outlet（116）, liquid injection pipe（114）On be provided with fluid injection control valve（117）, the control module（26）
Control drawing liquid pump（116）, fluid injection control valve（117）With drawing liquid control valve（118）It is turned on and off；
The main shaft（121）It is vertically arranged in earth's surface, main shaft（121）Bottom is provided with separating plate（13）, main shaft（121）Bottom
Face and some auxiliary shafts（122）Connection, the auxiliary shaft（122）By vertical shaft（1221）Or inclined shaft（1222）Or horizontal well（1223）On or
The well for stating different shape is combined to be formed, vertical shaft（1221）, inclined shaft（1222）With horizontal well（1223）It is end to end, base area
Thermal energy actual reserves set each auxiliary shaft respectively（122）Middle horizontal well（1223）Angle and depth；Set of heat exchange tubes（11）Set
In main shaft（121）It is interior, set of heat exchange tubes（11）Through separating plate（13）After separation, heat exchanger tube（111）Extend respectively to corresponding auxiliary shaft
（122）In；The main shaft（121）With auxiliary shaft（122）Inner wall is both provided with casing（123）；
The monitoring system（2）In：Data collecting system（22）It is arranged at heat-exchange system（1）In, data collecting system（22）Will
The data of collection pass through data transmission system（23）It is sent to data processing module（24）, data processing module（24）Signal output
End respectively with display module（25）And control module（26）Electrical connection；The data collecting system（22）Including temperature sensor
（221）, flow sensor（222）With vacuum level detector（223）, along heat exchange encapsulation casing（112）Inner wall is every 100 ~ 150 meters
If it is respectively arranged with dry temperature sensor（221）, along heat exchange encapsulation casing（112）Outer wall is also set respectively every 300 ~ 500 meters
If there is dry temperature sensor（221）；Casing is encapsulated in heat exchange（112）At top, middle part and the liquid pumping hole and liquid injection port of inner wall
It is respectively arranged with flow sensor（222）；Casing is encapsulated in heat exchange（112）In the cavity of side wall, set respectively every 100 ~ 150 meters
It is equipped with some vacuum level detectors（223）；Temperature sensor（221）, flow sensor（222）With vacuum level detector（223）
Connected respectively with the data cable.
2. the tree-shaped multiple spot heat exchange utilization system of a kind of ground energy hot dry rock according to claim 1, it is characterised in that：Institute
State separating plate（13）Including separating plate pedestal（131）, separating sliced（132）With guide plate（133）, separating sliced（132）Vertically
It is arranged at separating plate pedestal（131）On upper surface, separating sliced（132）Cutting edge is upward, separating plate pedestal（131）It is upper to be located at separation
Section（132）Between be provided with heat exchanger tube and pass through hole（134）, guide plate（133）It is arranged at heat exchanger tube and passes through hole（134）Lower section.
3. the tree-shaped multiple spot heat exchange utilization system of a kind of ground energy hot dry rock according to claim 1, it is characterised in that：Institute
State casing（123）Material be steel pipe.
4. the tree-shaped multiple spot heat exchange utilization system of a kind of ground energy hot dry rock according to claim 1, it is characterised in that：Institute
Stating the mass ratio of titanium and nickel in titanium nickel wire is：WTi%：WNi%=（44~46）%：（54~56）%.
5. the tree-shaped multiple spot heat exchange utilization system of a kind of ground energy hot dry rock according to claim 1, it is characterised in that：Institute
It is either that water is either that ethanol is either acetone or is trichorotrifluoroethane to state heat transferring medium.
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| CN201720400770.4U CN207299587U (en) | 2017-04-17 | 2017-04-17 | A kind of ground can the tree-shaped multiple spot heat exchange utilization system of hot dry rock |
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| CN201720400770.4U CN207299587U (en) | 2017-04-17 | 2017-04-17 | A kind of ground can the tree-shaped multiple spot heat exchange utilization system of hot dry rock |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969515A (en) * | 2017-04-17 | 2017-07-21 | 山西泰杰地能干热岩有限公司 | The tree-shaped multiple spot heat exchange utilization system of ground energy hot dry rock and Application way |
| TWI768278B (en) * | 2020-01-08 | 2022-06-21 | 陳俊雄 | Heat extraction device and power generation sysyem |
-
2017
- 2017-04-17 CN CN201720400770.4U patent/CN207299587U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969515A (en) * | 2017-04-17 | 2017-07-21 | 山西泰杰地能干热岩有限公司 | The tree-shaped multiple spot heat exchange utilization system of ground energy hot dry rock and Application way |
| TWI768278B (en) * | 2020-01-08 | 2022-06-21 | 陳俊雄 | Heat extraction device and power generation sysyem |
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