CN207864095U

CN207864095U - A kind of shale gas exploitation system using wind-powered electricity generation

Info

Publication number: CN207864095U
Application number: CN201820159086.6U
Authority: CN
Inventors: 程煦
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-01-30
Filing date: 2018-01-30
Publication date: 2018-09-14
Anticipated expiration: 2028-01-30

Abstract

The utility model provides a kind of shale gas exploitation system using wind-powered electricity generation, the system comprises steam generators, inner tube and casing, said inner tube is set in casing, described sleeve pipe is arranged in shale gas gas-bearing reservoir, the steam that the steam generator generates passes through in inner tube sleeve pipe, ceasma is penetrated in the setting of described sleeve pipe wall surface, it is characterized in that, it further include wind power generation plant, wind power generation plant is electrically connected steam generator, by the electric energy of generation for heating steam generator, water is input to heat exchanger to water pot, after being heated into steam in a vapor generator, into inner tube.The utility model makes full use of the electric energy that wind power generation generates to heat generation steam, by the exploitation of application of solar energy to shale gas, has saved the energy, while saving water resource, this makes the development cost of water shortage area shale gas substantially reduce.

Description

A kind of shale gas exploitation system using wind-powered electricity generation

Technical field

The utility model is related to a kind of rammell production technique more particularly to a kind of shale gas exploitations using wind power generation Technology.

Background technology

Shale is a kind of sedimentary rock, and complicated component mainly deposits the rock formed through pressure and temperature by clay.Shale Gas is a kind of gas for being stored in and being mainly made of methane in the nano aperture of shale.Shale gas is mostly with free state and ADSORPTION STATE It is stored in shale, there are marked differences for the shale gas proportion of both forms under different geological conditions.Shale Aperture is bigger, can store more free state shale gas, and the content of organic matter of shale is higher, can store more ADSORPTION STATEs Shale gas.Existing shale gas is stored in underground 1-2 kms depths mostly, and (pressure is about 10-20MPa, and temperature is about 338-378K)。

Whether shale gas is mainly made of methane, be a kind of new energy of important clean environment firendly, can change existing Energy pattern depends on the height of its cost of winning.In in the past few decades, benefit from including hydraulic pressure drilling technology Multiple technologies progress and development, the yield of shale gas achieves huge leap.Since shale gas is stored in receiving for shale Among metre hole diameter, it is very low to result in its permeability, and it is much more difficult than exploiting the conventional gas energy to exploit shale gas. In addition, the oil well output of general exploitation shale gas can decline after 3 years there are one significant.Therefore, it is necessary to develop new skill Art removes exploitation shale gas.

The U.S. is the country of the most advanced prosperity of present shale gas industry, and the water for being mixed with chemical substance is injected oil well by them In, chemical substance can and the shale of underground occur to chemically react and simultaneously generate new crack, shale gas can along generation crack into Enter among oil well.American energy information affixes one's name to (EIA) prediction, and the shale gas gross reserves in the U.S. is accounted in 18.8 tcms or so The 13% of world's gross reserves.To 2009, the present U.S. had 50000 mouthfuls or more of hydraulic oil well to exploit shale for cut-off Gas.To 2010, the yield of shale gas had reached 378 × 10 for cut-off¹¹m³, annual growth reached 47.7%.2000 Year, the 1% of the U.S. shale gas yield Zhi Zhan gas total output, now, shale gas has already taken up the annual gas total output in the U.S. 34%.

It is estimated that shale gas gross reserves about 26 tcms of China, are far above the U.S..However, China lacks Advanced shale gas exploitation technology.And hydraulic pressure drilling technology needs to consume a large amount of water resource.In the U.S., due to shale gas mine Tibetan is distributed near Mississippi and The Great Lakes mostly, so the U.S. needs not worry about water resources problems.However the page of China Rock gas mineral reserve are distributed in Xinjiang, Inner Mongol, the water-deficient areas such as Sichuan mostly, so large-scale use hydraulic pressure drilling technology is not existing It is real.In addition, there is also the security risks of polluted underground water and soil resource for hydraulic pressure drilling technology.

In the prior art, such as CN106884637A discloses a kind of method carrying out shale gas exploitation using heat pipe, should Method is heated the heat transfer of xeothermic rock stratum to shale gas reservoir using heat pipe, promotes the exploitation of shale gas, but should The case where heat pipe heat absorption capacity Shortcomings in method, and arranged up and down only with single gravity assisted heat pipe in this case, Cause the heat-absorbent surface of heat pipe insufficient, heat absorption capacity receives limitation.

Since the shale gas mineral reserve of China are distributed in Xinjiang mostly, Inner Mongol, the water-deficient areas such as Sichuan, but these regions The solar illuminating time is long, and wind energy is also very abundant, therefore in view of the natural environment in region, can make full use of solar energy The exploitation of shale gas is carried out with wind energy.

In view of the above-mentioned problems, the utility model is improved on the basis of utility model in front, provide a kind of new Wind power generation exploitation shale gas system, make full use of the heat source of the wind energy in region, reduce energy consumption, improve exploitation effect.

Utility model content

The utility model provides a kind of system of new wind energy exploitation shale gas, utilizes the common work of heat pipe and storage heater With, the heat source of dry rammell is made full use of to exploit shale gas, improves exploitation effect, it is energy saving.

To achieve the goals above, the technical solution of the utility model is as follows：

A kind of shale gas exploitation system using wind-powered electricity generation, it is described interior the system comprises steam generator, inner tube and casing Pipe sleeve is located in casing, and described sleeve pipe is arranged in shale gas gas-bearing reservoir, and the steam that the steam generator generates passes through inner tube In sleeve pipe, ceasma is penetrated in the setting of described sleeve pipe wall surface, which is characterized in that further includes wind power generation plant, wind power generation plant It is electrically connected steam generator, by the electric energy of generation for heating steam generator, water is input to heat exchanger to water pot, in steam After being heated into steam in generator, into inner tube.

Preferably, electrical storage device is arranged between the wind power generation plant and steam generator, wind power generation plant will Electric energy is stored in electrical storage device, and then electrical storage device is powered to steam generator.

Preferably, including control device, the control device connects electrical storage device, controls electrical storage device to steam generation Device output power.

Preferably, pressure sensor is arranged in the steam generator, for measuring the vapour pressure in steam generator Power, the control device control electrical storage device to steam generator output power according to the data of pressure sensor.

Preferably, if the steam pressure in steam generator is higher than upper limit value, control device controls electrical storage device Reduce output power or stop power supply, if the steam pressure in steam generator is less than lower limiting value, control device control stores Electric installation starts output power of powering or increase.

Preferably, heat pipe is arranged in described sleeve pipe, the evaporation ends of the heat pipe are located in xeothermic rock stratum, the condensation of heat pipe Section is located in casing.

Preferably, further including storage heater, the storage heater is arranged in the xeothermic rock stratum of casing part, the heat pipe Evaporation ends are arranged in storage heater.

Preferably, the first vertical section of the heat pipe, the second vertical section and horizontal segment, the both ends of wherein horizontal segment connect respectively The first vertical section, the second vertical section are connect, the first vertical section is located in casing, and horizontal segment and the second vertical section are arranged in xeothermic rock stratum In, the first vertical section is arranged in casing；First vertical section bottom connects horizontal segment, and the horizontal segment is vertical along first Section bottom extends outwardly, and the second vertical section of the heat pipe is arranged in storage heater..

Preferably, heat pipe is arranged in central axis, multilayer heat pipe is set along central axis, the axis of every layer of heat pipe is in The distance of mandrel line is identical, to be formed using storage heater central axis as the circle in the center of circle；The internal diameter of the storage heater is D, heat The outer diameter of pipe is d, and the circular arc of the adjacent heat pipe central axis of same layer is A, and the center of circle of the circular arc is the center of storage heater Axis, diameter of a circle D2 where same layer, the diameter of a circle D1 of adjacent inner layer then meet claimed below：

Sin (A)=a-b*Ln (S), wherein Ln are logarithmic functions, and S=d/ (D2-D1), a, b are parameters, and satisfaction is wanted as follows It asks：

D2/D<=0.3,0.1525<a<0.1550,0.283<=b<0.303；

0.3<D2/D<=0.7,0.1473<a<=0.1525,0.265<=b<0.283；

0.7<D2/D<=1,0.1450<a<=0.1473,0.248<b<0.265.

Preferably, the wind power generation plant is the wind power generation plant of vertical axis.

Preferably, the steam generator passes through resistance heating.

Preferably, storage heater is circular tube structure, second vertical section surrounds the central axis annular spread of storage heater.

Preferably, the heat pipe is more, the second vertical section annular spread.

Preferably, second vertical section surrounds the central axis annular spread of casing.

Preferably, same first vertical section connects multiple horizontal segments.

Preferably, tapering into D2/D, a is increasing, and b is increasing.

Preferably, 0 °<A<120°.

Preferably, 10 °<A<70°.

Compared with prior art, the utility model has the following advantages：

1) electric energy of wind power generation is made full use of to heat generation steam, wind energy is applied to the exploitation of shale gas, is saved The energy, while water resource is saved, this makes the development cost of water shortage area shale gas substantially reduce.

2) the new-type heat pipe structure for being applicable in shale gas exploitation is used, heat pipe is divided into horizontal segment and vertical section, utilizes water Flat section expands the heat absorption range of heat pipe, further increases the utilization of heat, energy saving.

3) storage heater is used, makes full use of storage heater to carry out accumulation of heat to geothermal heat source, then heat pipe is deposited using storage heater The energy heats steam of storage, improves the utilization of heat source, further saves the energy.

4) research of a large amount of numerical simulation and experiment has been carried out, distributed architecture of the opposite heat tube in storage heater has carried out most Excellent structure, and the best relative formula that heat pipe is distributed is obtained by research, the distribution of heat pipe is further increased, reaches best Heat absorption reduces cost.

Description of the drawings

Fig. 1 is that the utility model wind power system generates high-temperature high-pressure steam structural schematic diagram.

Fig. 2 is that the utility model buries vapor reheat system schematic diagram in well.

Fig. 3 is heat pipe distributed architecture schematic diagram in the utility model storage heater.

Fig. 4 is that the utility model buries well arrangement schematic diagram.

Fig. 5 is the utility model shale gas desorption temperature corresponding temperature figure.

Fig. 6 is further improved embodiment in Fig. 2.

Fig. 7 is that heat tube heat accumulator refines structural schematic diagram in Fig. 6.

Fig. 8 is the size marking schematic diagram of Fig. 3.

Fig. 9 is the wind power system generation high-temperature high-pressure steam structural schematic diagram that electrical storage device is arranged.

In figure：1 wind generator, 2 electrical storage device, 3 evaporator, 4 controller 5 gives 6 rock stratum of water pot, 7 shale gas reservoir 8 xeothermic rock stratum, 9 inner tube, 10 casing 11 penetrates 12 gravity assisted heat pipe of ceasma, 13 storage heater, 14 horizontal well entrance 15 and buries well 16 It buries well 17 and buries well 18 and bury 19 horizontal well of well and export 20 horizontal wells 21 and bury well 22 and bury well 23 and bury well 24 Bury 121 first 122 second vertical section of vertical section of well, 123 horizontal segment

Specific implementation mode

Specific embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings.

Herein, if without specified otherwise, it is related to formula, "/" indicates that division, "×", " * " indicate multiplication.

As shown in Fig. 2, a kind of shale gas exploitation system using heat pipe, the system comprises steam generator 3, inner tubes 9 With casing 10, said inner tube 9 is set in casing 10, and described sleeve pipe 10 is arranged in shale gas gas-bearing reservoir 7, the steam generation The steam that device generates is penetrated by the way that heat pipe 12, the setting of 10 wall surface of described sleeve pipe in 9 sleeve pipe 10 of inner tube, are arranged in described sleeve pipe 10 Ceasma 11, the steam are sprayed by penetrating ceasma 11 in shale gas gas-bearing reservoir 7, and the desorption of shale gas is improved by steam.It is logical It crosses the study found that when the temperature increases, due to the raising of methane molecule kinetic energy, there are one desorption rate of the methane molecule in pipeline It is obviously improved.When temperature is raised to 548K, continuing desorption of the elevation system temperature to methane, there is no too big helps.Cause This saves water resource and solves pollution problem simultaneously to improve the desorption of shale gas, temperature can be used in 548K or more (about 275 DEG C, 6MPa or so) high-pressure steam replace traditional high pressure fracture liquid acquisition technique.

The utility model carries out reheating by the way that heat pipe is arranged, for the steam in sleeve pipe 10, further increases The temperature and pressure of steam reaches satisfied shale gas desorption effect.

The system also includes storage heater 13, the storage heater 13 is arranged in the xeothermic rock stratum 8 of casing part, the heat The evaporation ends of pipe 12 are arranged in storage heater 13, and the condensation segment of the heat pipe 12 is arranged in casing 10.

Preferably, the fusing point of heat-storing material is 58-70 degrees Celsius in the storage heater 13, further preferred 62 DEG C.

Preferably, the heat-storing material in the storage heater 13 is paraffin.

The utility model can will be stored, and because of storage heater by the way that storage heater 13 is arranged in xeothermic rock stratum 8 It heats bigger, therefore more heats can be stored, therefore heat pipe can more fully utilize the heat of xeothermic rock stratum 8, And because setting storage heater, storage heater and 8 contact area bigger of xeothermic rock stratum, can greatly reduce heat pipe and hot rock stratum 8 Between thermal contact resistance, endothermic effect will be much better than heat pipe and individually be placed in hot rock stratum 8.It therefore can by the way that storage heater is arranged To greatly improve the desorption effect and efficiency of shale gas.It is found through experiments that, by the way that storage heater is arranged, 15-20% can be improved The efficiency of heating surface, the energy can be further saved.

Preferably, the heat pipe 12 is more, the annular spread in casing 10 of the heat pipe 12.

Preferably, as shown in fig. 6, the cross section of the storage heater 13 be circular tube structure, the internal diameter of the storage heater 13 More than the outer diameter of casing 10.Be more than the outer diameter of casing 10 by the outer diameter of storage heater 13, can further increase storage heater with The heat exchange area of xeothermic rock stratum 8, and more heats can be stored, further meet the requirement of heating steam.

Preferably, the internal diameter of the storage heater 13 is 2-3 times of sleeve outer.

Preferably, from the central axis of storage heater 13 to the radial direction of the outer wall of storage heater, the storage in storage heater 13 The heat storage capacity of hot material gradually dies down.

Gradually changing for the heat storage capacity of heat-storing material is taken, heat storage capacity can be further increased, can realize heat pipe Be evenly heated.Because more arriving storage heater outer wall, then because being in direct contact with dry rammell, therefore temperature highest herein, it stores Hot material can be heated directly, and after heat-storing material is by abundant accumulation of heat, heat can be transmitted to the inside of storage heater.Pass through accumulation of heat The variation of the heat storage capacity of device heat-storing material, it is ensured that external heat-storing material reach accumulation of heat saturation after, can at once by heat to Inside is transmitted, and ensures that inside also stores heat.In this way, different location of the heat pipe in storage heater can fully absorb heat, avoid Heat pipe overheat, the heat absorption of some heat pipes is inadequate, ensures that the heat absorption of integral heat pipe is uniform, avoids part superheated steam from damaging, causes Product it is difficult in maintenance.It is arranged in this way, can is that the service life of heat pipe entirety reaches identical.Make casing 10 simultaneously Steam also whole homogeneous heating.

Preferably, from the central axis of storage heater 13 to the outer wall direction of storage heater 13, the heat storage capacity of heat-storing material The amplitude gradually weakened gradually increases.It is found by experiment and numerical simulation, takes this set, heat pipe can be further increased The heat absorption uniformity.

The high-pressure steam being passed through in inner tube heats again via gravity assisted heat pipe, reaches required temperature.Bottom of inner tube In xeothermic rock stratum, temperature is higher, therefore can be collected heat by heat-storing material.Storage is loaded in storage heater Heat paraffin.Paraffin class phase change heat storage material have latent heat of phase change it is high, almost without surfusion, melt when steam pressure it is low, It is not susceptible to chemical reaction and chemical stability preferably, is not separated and the advantages such as corrosivity and price are low, become accumulation of heat The first choice of material.Paraffin embeds gravity assisted heat pipe.Gravity assisted heat pipe absorbs the heat of the paraffin in storage heater, and on top, heat release section is put Heat realizes the heating again to high-pressure steam.For the ease of accurately controlling the temperature and pressure of vapor, electricity can also be used and add The mode of heat and accumulation of heat collaboration heating.

Preferably, the steam generator is heated using the electric energy that solar power generation generates, steam is generated.Such as Shown in Fig. 1, including wind generator 1, steam generator 3 and give water pot 5, the steam generator 3 be electrically connected wind generator 1, institute It states and water is input in steam generator 3 to water pot 5, after being heated into steam in changing steam generator 3, into inner tube 9.

Preferably, electrical storage device 2 is arranged between the wind generator 1 and steam generator 3, wind generator 1 is by electric energy It is stored in electrical storage device 2, then electrical storage device 2 is powered to steam generator 1.It, can will be extra by the way that electrical storage device 2 is arranged Electric energy store, avoid the waste of electric energy.

Preferably, the system also includes control device 4, the control device 4 connects electrical storage device 2, controls electric power storage Switch and output power of the device 2 to steam generator 3.

Preferably, pressure sensor is arranged in the steam generator 3, for measuring the steam in steam generator 3 Pressure, the control device 4 control electrical storage device 2 to 3 output power of steam generator according to the data of pressure sensor.

Preferably, if the steam pressure in steam generator 3 is higher than upper limit value, control device 4 controls electric power storage dress It sets 2 reduction output powers or stops power supply, if the steam pressure in steam generator 3 is less than lower limiting value, control device 4 is controlled Electrical storage device 2 processed starts output power of powering or increase.Hypertonia or too low is avoided by control, to influence to open It adopts.

Preferably, the steam generator passes through resistance heating.

Referring to Fig.1, using wind power technology, controllable high-temperature high-pressure steam is generated, for substituting shale gas gatherer process In high pressure water.The high temperature and high pressure steam of generation leads to the inner tube buried in well.Introducing in view of high-temperature high-pressure steam can The consumption of the water resource in high pressure water crack method is largely reduced, therefore which has a extensive future in water-deficient area, and can be with The advantage of the wind energy in region is made full use of, energy consumption is reduced.

Preferably, as shown in fig. 7, the heat pipe 12 includes the first vertical section 121, the second vertical section 122 and horizontal segment 123, the both ends of wherein horizontal segment 123 are separately connected the first vertical section 121, the second vertical section 122, and first vertical 121 sections are located at In casing 10, horizontal segment 123 and the second vertical section 122 are arranged in storage heater 13, and 121 bottom of the first vertical section connects water Flat section 123, the horizontal segment 123 extend along first vertical 121 sections of bottoms to the outer wall direction of storage heater 13.

The evaporation ends of heat pipe are extended to farther direction, such as prolong by the utility model by the horizontal segment of setting heat pipe The outer wall position of storage heater is reached, the heat absorption range of heat pipe can be expanded in this way, the heat of storage heater distalmost end can be absorbed.This Compared with prior art CN106884637A, substantially increase heat pipe heat absorption efficiency and heat absorption range, can improve 50% with On heat exchange efficiency.

It is of course also possible to which storage heater is removed, only heat pipe is arranged in dry rammell, compared with the existing technology, Heat sink region can be expanded, heat absorption capacity is improved.

Preferably, the horizontal segment 123 extends along the radial direction of storage heater.By horizontal segment along storage heater Radial direction extends, and heat absorption efficiency can be further increased by being found through experiments that, can improve 5% or so.

Preferably, as shown in figure 3, second vertical section 122 is divided around the central axis annular multilayer of storage heater 13 Cloth.

Preferably, the second vertical section 122 is arranged in axial centerline, the second vertical section of multilayer is set along central axis 122, the axis of every layer of second vertical section 122 is identical at a distance from central axis, is to be formed with 13 central axis of storage heater The circle in the center of circle.

Further preferably, as shown in fig. 7, same first vertical section connects multiple horizontal segments.It is arranged in this way, it can be with So that the second vertical section is further evenly distributed in storage heater.

By numerical simulation and experiment find, the distance between second vertical section 122, including at same diametrical position away from Cannot be too small from the distance between adjacent layer, it is too small that heat pipe distribution can be caused excessive, cause the caloric receptivity of every heat pipe insufficient, Crossing conference causes heat pipe distribution very little, causes heat pipe to overheat, therefore the application is summed up by a large amount of numerical simulation and experiment Carry out the distribution of the optimization of the distribution of the second vertical section of heat pipe 122 so that heat pipe can neither recept the caloric deficiency, and cannot recept the caloric Greatly.

As shown in figure 8, the internal diameter of the storage heater is D, the outer diameter of the second vertical section 122 is d, same layer it is adjacent The circular arc of heat pipe central axis is A, and the center of circle of the circular arc is the central axis of storage heater, diameter of a circle D2 where same layer, The diameter of a circle D1 of adjacent inner layer, then meet claimed below：

D2/D<=0.3,0.1525<a<0.1550,0.283<=b<0.303；

When 0.3<D2/D<When=0.7,0.1473<a<=0.1525,0.265<=b<0.283；

When 0.7<D2/D<When=1,0.1450<a<=0.1473,0.248<b<0.265.

Preferably, tapering into D2/D, a is increasing, and b is increasing.

Preferably, 0 °<A<120°.

Preferably, 10 °<A<70°.

Above-mentioned empirical equation is to be obtained by a large amount of numerical simulations and experiment, and pass through verification experimental verification, and error is substantially Within 3%.

Preferably, the heat absorption capacity 900-1100W of heat pipe, further preferably 1000W；

100-120 degrees Celsius of the temperature of dry rammell, further preferably 110 DEG C.

The internal diameter of storage heater is that D is 900-1100 millimeters, further preferably 1000 millimeters.

The outside diameter d of heat pipe is 9-10 millimeters, further preferably 9.5mm.

Certainly, Fig. 8 shows only 3 layers of heat pipe, can essentially be more than three layers.D2, D1 of Fig. 8 is also only an act Example, can essentially be using the heat pipe of central axis as the layer where D1, i.e. D1=0, using current D1 as the layer where D2.

As shown in figure 4,8 in Fig. 4 are buried the structure that well is exactly Fig. 2.8 are buried the shale gas generated in well and passed through Horizontal well 20 in Fig. 4 is collected.High-pressure steam is overflowed via the ceasma of penetrating of casing and outer wall of inner tube, is stored up into shale gas Layer, while being heated to shale gas, also promotes the desorption of shale gas.When the shale gas mean temperature in specified range After increasing certain amplitude, stop the input of high-pressure steam in inner tube, closes shale well.Shale gas desorption rate after being heated Increase, corresponding temperature and pressure gradually rises.After shale atmospheric pressure increases to a certain limit value, you can stored up by shale gas Pressure-break at layer horizontal well position enters horizontal inner tube, implements the collection of shale gas by collection device.Complete entire page Process is exploited and collected to rock gas.

Although the utility model has been disclosed in the preferred embodiments as above, the utility model is not limited to this.Any Field technology personnel can make various changes or modifications, therefore this practicality without departing from the spirit and scope of the utility model Novel protection domain should be subject to claim limited range.

Claims

1. a kind of shale gas exploitation system using wind-powered electricity generation, the system comprises steam generator, inner tube and casing, said inner tubes Be set in casing, described sleeve pipe is arranged in shale gas gas-bearing reservoir, the steam that the steam generator generates by inner tube into Enter in casing, ceasma is penetrated in the setting of described sleeve pipe wall surface, which is characterized in that further include wind power generation plant, wind power generation plant electricity Steam generator is connected, by the electric energy of generation for heating steam generator, water is input to heat exchanger to water pot, is sent out in steam After being heated into steam in raw device, into inner tube.

2. the system as claimed in claim 1, which is characterized in that be arranged between the wind power generation plant and steam generator and store Electric energy is stored in electrical storage device by electric installation, wind power generation plant, and then electrical storage device is powered to steam generator.

3. system as claimed in claim 2, which is characterized in that including control device, the control device connects electrical storage device, Electrical storage device is controlled to steam generator output power.

4. the system as claimed in claim 1, which is characterized in that heat pipe, the evaporation ends position of the heat pipe are arranged in described sleeve pipe In xeothermic rock stratum, the condensation segment of heat pipe is located in casing.

5. system as claimed in claim 4, which is characterized in that further include storage heater, the storage heater is arranged in casing part Xeothermic rock stratum in, the evaporation ends of the heat pipe are arranged in storage heater.

6. system as claimed in claim 5, which is characterized in that the first vertical section of the heat pipe, the second vertical section and horizontal segment, The both ends of wherein horizontal segment are separately connected the first vertical section, the second vertical section, and the first vertical section is located in casing, horizontal segment and Two vertical sections are arranged in xeothermic rock stratum, and the first vertical section is arranged in casing；First vertical section bottom connects horizontal segment, The horizontal segment extends outwardly along the first vertical section bottom, and the second vertical section of the heat pipe is arranged in storage heater.

7. system as claimed in claim 6, which is characterized in that heat pipe is arranged in central axis, and multilayer is arranged along central axis The axis of heat pipe, every layer of heat pipe is identical at a distance from central axis, to be formed using storage heater central axis as the circle in the center of circle；Institute The internal diameter for the storage heater stated is D, and the outer diameter of heat pipe is d, and the circular arc of the adjacent heat pipe central axis of same layer is A, the circle The center of circle of arc is the central axis of storage heater, diameter of a circle D2, the diameter of a circle D1 of adjacent inner layer where same layer, then under meeting Face requires：

Sin (A)=a-b*Ln (S), wherein Ln are logarithmic functions, and S=d/ (D2-D1), a, b are parameters, meet following require：

D2/D<=0.3,0.1525<a<0.1550,0.283<=b<0.303；

0.3<D2/D<=0.7,0.1473<a<=0.1525,0.265<=b<0.283；

0.7<D2/D<=1,0.1450<a<=0.1473,0.248<b<0.265.

8. the system as claimed in claim 1, which is characterized in that the wind power generation plant is the wind-power electricity generation dress of vertical axis It sets.