CN108361677A - A kind of xeothermic rock stratum technosphere closes steam production plant - Google Patents
A kind of xeothermic rock stratum technosphere closes steam production plant Download PDFInfo
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- CN108361677A CN108361677A CN201810361046.4A CN201810361046A CN108361677A CN 108361677 A CN108361677 A CN 108361677A CN 201810361046 A CN201810361046 A CN 201810361046A CN 108361677 A CN108361677 A CN 108361677A
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- tunnel
- water inlet
- steam
- pipe
- rock stratum
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- 239000011435 rock Substances 0.000 title claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 238000005065 mining Methods 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 13
- 238000010248 power generation Methods 0.000 abstract description 4
- 238000005530 etching Methods 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000005553 drilling Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010438 granite Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002631 hypothermal effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
A kind of xeothermic rock stratum technosphere closes steam production plant, includes crack the steam generation packet, water inlet pipe and the steam outlet pipe that are collectively formed of the tunnel and its periphery directly dug in xeothermic rock stratum；Its connection relation is：The two ends of the tunnel seal vertical connection with one end of water inlet pipe and steam outlet pipe respectively, which connects the pipe network of power plant vapor wheel unit with the other end of steam outlet pipe and form the linear mining structure of artificial trapped.The present invention, which can stretch at subsurface >=2000 meter, takes hot power generation.The pipeline that trend is required due to artificial tunnel instead of furnace tubing and according to production distribution, can be used for a long time seconary water use, thoroughly eliminate water/vapour line clogging and etching problem, realize that steam production improves 1 times；Process units is more than 30 years long-term operations；Power plant each process device layout is compact to have saved production place.
Description
Technical field
Underground heat equipment technical field is the present invention relates to the use of, a kind of xeothermic rock stratum technosphere is referred specifically to and closes steam production dress
It sets.
Background technology
The steam production plant of existing xeothermic rock stratum, spacing very little between steam generating conduit and rock-boring are unfavorable
It is quickly permeated to periphery rock fracture in high-pressure process water, high steam single lead output≤48kg/s from crack, no
High power turbine unit demand can be met；Heavy wall boiler tube Steel material is set over long distances in especially xeothermic rock stratum, increases basis
Construction investment risk.After heavy wall boiler tube steel increase activity stomata, blocking and corrosion phenomenon still cannot be completely eliminated.
Invention content
A kind of xeothermic rock stratum technosphere of present invention offer closes steam production plant, reaches long-time service seconary water use, and produce
Tolerance is multiplied；The purpose that anti-blocking anticorrosion and production cost decline to a great extent.
For this purpose, used technical solution is：
A kind of xeothermic rock stratum technosphere closes steam production plant, including the tunnel directly dug in xeothermic rock stratum and its periphery are split
Steam generation packet, water inlet pipe and the steam outlet pipe that gap is collectively formed；Its connection relation is：The two ends of the tunnel respectively and water inlet
One end of pipe and steam outlet pipe seals vertical connection, which connects the pipe of power plant vapor wheel unit with the other end of steam outlet pipe
Net and form the linear mining structure of artificial trapped.
A kind of xeothermic rock stratum technosphere closes steam production plant, including the tunnel directly dug in xeothermic rock stratum and its periphery
Crack steam generation packet, water inlet pipe and steam outlet pipe is collectively formed；Its connection relation is：One end of the tunnel and it is described go out
One end of steam pipe seals vertical connection, and water inlet pipe far from tunnel another end point and tunnel vertical connection rear direction turn to
Horizontal direction；The water inlet pipe connects the pipe network of power plant vapor wheel unit with the other end of steam outlet pipe and forms artificial trapped
Linear mining structure.
A kind of xeothermic rock stratum technosphere closes steam production plant, including the tunnel directly dug in xeothermic rock stratum and its periphery
Crack steam generation packet, water inlet pipe and steam outlet pipe is collectively formed；Its connection relation is：It is logical that connection is provided in the middle part of the tunnel
Hole, the connection through-hole both ends sealed set water inlet pipe, central sealed set steam outlet pipe；The water inlet pipe at through-hole both ends is connected in tunnel
Inside extend respectively to both ends along its axial direction, water inlet pipe connects the pipe network of power plant vapor wheel unit with the other end of steam outlet pipe and shape
At the linear mining structure of artificial trapped.
The present invention, which can stretch at subsurface >=2000 meter, takes hot power generation.Due to artificial tunnel instead of furnace tubing and according to
Production distribution requires the pipeline of trend, and seconary water use can be used for a long time, and thoroughly eliminates water/vapour line clogging and etching problem, real
Existing steam production improves 1 times or more；Process units is more than 30 years long-term operations；The compact section of power plant each process device layout
About production place.And effect of coal saving is considerable.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1；
Fig. 2 is the structural schematic diagram of the embodiment of the present invention 2；
Fig. 3 is the structural schematic diagram of the embodiment of the present invention 3.
Specific implementation mode
The following further describes the present invention with reference to the drawings.
Embodiment 1, referring to Fig.1, a kind of xeothermic rock stratum technosphere closes steam production plant, it is characterised in that：Including direct
Steam generation packet, water inlet pipe 5-1 and steam outlet pipe 5-3 is collectively formed in the crack 7 of the tunnel 6 and its periphery dug in xeothermic rock stratum；
Its connection relation is：The two ends of the tunnel 6 and one end of water inlet pipe 5-1 and steam outlet pipe 5-3 seal vertical connection, the water inlet
Pipe 5-1 connects the pipe network of power plant vapor wheel unit with the other end of steam outlet pipe 5-3 and forms artificial trapped and linearly exploit knot
Structure.
Embodiment 2, with reference to Fig. 2, a kind of xeothermic rock stratum technosphere closes steam production plant, it is characterised in that：Including direct
Steam generation packet, water inlet pipe 5-1 and steam outlet pipe 5-3 is collectively formed in the crack 7 of the tunnel 6 and its periphery dug in xeothermic rock stratum；
Its connection relation is：One end of the tunnel 6 and one end of the steam outlet pipe 5-3 seal vertical connection, and water inlet pipe 5-1 exists
Another end point far from tunnel 6 is connected to rear direction with 6 vertical seal of tunnel and turns to horizontal direction；The water inlet pipe 5-1 and go out
The other end of steam pipe 5-3 connects the pipe network of power plant vapor wheel unit and forms the linear mining structure of artificial trapped.
Embodiment 3, with reference to Fig. 3, a kind of xeothermic rock stratum technosphere closes steam production plant, including is directly opened in xeothermic rock stratum
Steam generation packet, water inlet pipe 5-1 and the steam outlet pipe 5-3 that the tunnel 6 of chisel and its crack 7 on periphery are collectively formed；Its connection relation
It is：The middle part of the tunnel 6 is provided with connection through-hole, and connection through-hole both ends sealed set water inlet pipe 5-1, central sealed set goes out
Steam pipe 5-3；The water inlet pipe 5-1 for connecting through-hole both ends extends along its axial direction to both ends respectively in tunnel 6, water inlet pipe 5-1 and goes out
The other end of steam pipe 5-3 connects the pipe network of power plant vapor wheel unit and forms the linear mining structure of artificial trapped.
The forming method of above-described embodiment：
As shown in Figure 1, being drilled to earth's surface 1 and underground 2 → lithosphere of sandy soil layer 3 with the drill bit of professional drilling machine diameter≤3.5 meter
In the xeothermic rock stratum of 3500 meters of entrance of ＞ 4；1000 meters of horizontal drilling again, then ground to generating set plant area is drilled out upwards, it is formed
Linear two-way U-shaped tunnel structure.
As shown in Figure 2,3, with the drill bit of professional drilling machine diameter≤3.5 meter to earth's surface 1 and underground 2 → lithosphere of sandy soil layer 3
It is drilled in the xeothermic rock stratum of 4500 meters of entrance of ＞ 4；Drill bit is exited in horizontal drilling≤1900 meter again.Form long range horizontal linearity
Close tunnel structure.Unit-type drill head as defined in professional drilling machine is used again, to subsurface boring to the specified position of unidirectional blocking tunnel, is pacified
Fill each pipeline.
Water inlet pipe 5-1 is 80 millimeters of high pressure water injection pipelines of diameter ＞；Steam outlet pipe 5-3 is high steam pipeline, the two connection
Towards power plant vapor wheel unit pipe network and with it is commercially available shut-in well material 8 closing and tunnel 6 junction, water inlet pipe 5-1, go out vapour
Pipe 5-3, xeothermic rock stratum artificial rock tunnel 6 and crack 7 form artificial trap；The portion of water inlet pipe 5-1 in xeothermic rock stratum
Point 5-2 is strong plasticity steel pipe, and thermal creep is strong, can replace existing furnace tubing so that manufacturing cost decline to a great extent and
And antiscale ability is strong.
6 measurement data of granite tunnel such as following table.
High-pressure injection-pump room, can be built near generating set workshop, each process device layout by the implementation of the present invention
It is compact to have saved production place.So that process units layout is more reasonable, operation and tours of inspection are more convenient.
The practical application scene of the present invention：
1, the application scenarios of embodiment 1,2：North China new district builds nine group nine to producing steam pipe in existing thermal power plant regulation plot
Underground heat process units.Start booster pump, it is artificial by the xeothermic rock stratum of paragneiss that the water 9 of required standard through water inlet pipe 5-1 is pumped into underground
Rock tunnel and rock fracture 7 heat, and generate 150 DEG C of high temperature of ＞ and the vapor 10 of ＞ 0.3MPa high pressures, pass through steam outlet pipe 5-3
It transports to power plant steam turbine generator group and carries out power generation operation.
The method of steaming in this artificial rock's trap adding rock crack can realize that process units single line steam production increases by 1 times
Reach >=100kg/s above.Intensive process units layout can save the area 1.8% or more.Because of long-term hypothermic phase ＞ 5 months,
Existing thermal power plant adds xeothermic formation production steam-electric power and heating, has comparative cost advantage, can economize on coal 4600 tons/year.
2, the application scenarios of embodiment 3：Long and narrow plot is provided in southeastern coast granite geological conditions, builds six groups side by side
Producing steam pipe；Unidirectional 1950 meters of geothermal power plant.Start booster pump, the seconary water use 9 of required standard is pumped through water inlet pipe 5-1
Enter underground to be heated by xeothermic rock stratum tunnel 6 and rock fracture 7, generate 500 DEG C of high temperature of ＞ and the vapor 10 of ＞ 4.6MPa high pressures,
Power plant steam turbine generator group, which is transported to, by steam outlet pipe 5-3 carries out power generation operation.
Water inlet pipe 5-1 in tunnel 6 uses strong plastic stainless steel pipeline, horizontal under thermal creep state to be laid with.Make for a long time
It uses seconary water use as the process water in injection tunnel, can thoroughly eliminate water/vapour line clogging and etching problem, single production
The service life of pipeline extends 1 times or more.
Claims (4)
1. a kind of xeothermic rock stratum technosphere closes steam production plant, it is characterised in that：Including the tunnel directly dug in xeothermic rock stratum
Hole（6）And its crack on periphery（7）Steam generation packet, the water inlet pipe being collectively formed（5-1）And steam outlet pipe（5-3）；It, which is connected, closes
System is：The tunnel（6）Two ends respectively and water inlet pipe（5-1）And steam outlet pipe（5-3）One end seal vertical connection, should be into
Water pipe（5-1）And steam outlet pipe（5-3）Other end connection power plant vapor wheel unit pipe network and to form artificial trapped linear
Mining structure.
2. a kind of xeothermic rock stratum technosphere closes steam production plant, it is characterised in that：Including the tunnel directly dug in xeothermic rock stratum
Hole（6）And its crack on periphery（7）Steam generation packet, water inlet pipe is collectively formed（5-1）And steam outlet pipe（5-3）；Its connection relation
It is：The tunnel（6）An end and the steam outlet pipe（5-3）One end seal vertical connection, and water inlet pipe（5-1）Separate
Tunnel（6）Another end point and tunnel（6）Vertical connection rear direction is turned to horizontal direction；The water inlet pipe（5-1）With go out vapour
Pipe（5-3）The other end connection power plant vapor wheel unit pipe network and form the linear mining structure of artificial trapped.
3. a kind of xeothermic rock stratum technosphere closes steam production plant, it is characterised in that：Including the tunnel directly dug in xeothermic rock stratum
Hole（6）And its crack on periphery（7）Steam generation packet, water inlet pipe is collectively formed（5-1）And steam outlet pipe（5-3）；Its connection relation
It is：The tunnel（6）Middle part be provided with connection through-hole, the connection through-hole both ends sealed set water inlet pipe（5-1）, center seals and sets
Set steam outlet pipe（5-3）；Connect the water inlet pipe at through-hole both ends（5-1）In tunnel（6）Inside extend respectively to both ends along its axial direction, water inlet
Pipe（5-1）And steam outlet pipe（5-3）The other end connection power plant vapor wheel unit pipe network and form artificial trapped and linearly open
Adopt structure.
4. xeothermic rock stratum technosphere according to any one of claim 1 to 3 closes steam production plant, it is characterised in that：
The water inlet pipe（5-1）Part in xeothermic rock stratum is strong plasticity steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810361046.4A CN108361677A (en) | 2018-04-20 | 2018-04-20 | A kind of xeothermic rock stratum technosphere closes steam production plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810361046.4A CN108361677A (en) | 2018-04-20 | 2018-04-20 | A kind of xeothermic rock stratum technosphere closes steam production plant |
Publications (1)
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| CN108361677A true CN108361677A (en) | 2018-08-03 |
Family
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| CN201810361046.4A Pending CN108361677A (en) | 2018-04-20 | 2018-04-20 | A kind of xeothermic rock stratum technosphere closes steam production plant |
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|---|---|---|---|---|
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| US20110048005A1 (en) * | 2009-08-26 | 2011-03-03 | Mchargue Timothy Reed | Loop geothermal system |
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| CN107062352A (en) * | 2017-06-13 | 2017-08-18 | 徐斌 | A kind of hot dry rock heating system |
| CN107120857A (en) * | 2017-06-12 | 2017-09-01 | 李建峰 | A kind of magnetic suspension geothermal heat pump heat-exchange system |
| US20180100491A1 (en) * | 2016-10-11 | 2018-04-12 | Wolfhart Hans Willimczik | Ultra deep hydroelectric/geothermal power plant |
| CN208186292U (en) * | 2018-04-20 | 2018-12-04 | 宋晓轩 | A kind of xeothermic rock stratum technosphere closes steam production plant |
-
2018
- 2018-04-20 CN CN201810361046.4A patent/CN108361677A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101027480A (en) * | 2004-06-23 | 2007-08-29 | 特拉瓦特控股公司 | Method of developing and producing deep geothermal reservoirs |
| CN102105755A (en) * | 2008-06-13 | 2011-06-22 | 迈克尔·J·帕雷拉 | System and method for extracting geothermal energy from a borehole for generating electricity |
| CN101629485A (en) * | 2009-06-17 | 2010-01-20 | 中国地质科学院勘探技术研究所 | Exploitation method of communication well of geothermal energy bore well |
| US20110048005A1 (en) * | 2009-08-26 | 2011-03-03 | Mchargue Timothy Reed | Loop geothermal system |
| CN102538265A (en) * | 2012-02-27 | 2012-07-04 | 杭州岩土工程有限公司 | Method and device for obtaining heat from earthcrust temperature raising layer |
| CN106403330A (en) * | 2016-08-30 | 2017-02-15 | 湖南中大经纬地热开发科技有限公司 | Geotherm utilizing method based on sea water source |
| US20180100491A1 (en) * | 2016-10-11 | 2018-04-12 | Wolfhart Hans Willimczik | Ultra deep hydroelectric/geothermal power plant |
| CN107120857A (en) * | 2017-06-12 | 2017-09-01 | 李建峰 | A kind of magnetic suspension geothermal heat pump heat-exchange system |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180803 |
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| RJ01 | Rejection of invention patent application after publication |