CN107514347A - Flash method system for geothermal production of electricity - Google Patents
Flash method system for geothermal production of electricity Download PDFInfo
- Publication number
- CN107514347A CN107514347A CN201710669082.2A CN201710669082A CN107514347A CN 107514347 A CN107514347 A CN 107514347A CN 201710669082 A CN201710669082 A CN 201710669082A CN 107514347 A CN107514347 A CN 107514347A
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- Prior art keywords
- flash vessel
- geothermal
- flash
- delivery port
- steam
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
- F03G7/04—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using pressure differences or thermal differences occurring in nature
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The present invention relates to geothermal utilization technical field, specifically disclose a kind of flash method system for geothermal production of electricity, wherein, geothermal well and steam-water separator inlet communication, the delivery port of steam-water separator connects with the water inlet of the first flash vessel, the delivery port of first flash vessel connects with the water inlet of the second flash vessel, steam-water separator, first flash vessel, the venthole of second flash vessel connects with the air intake of steam turbine, steam turbine is connected with generator, the delivery port of steam turbine connects with the water inlet of condenser, the cooling water inlet of condenser, coolant outlet and the outlet in condensation pond, inlet communication, the delivery port of condenser, the delivery port of second flash vessel connects with geothermal reinjection well, trash separator is additionally provided between geothermal well and steam-water separator.The beneficial effects of the invention are as follows reasonable in design, reduce abrasion of the sandstone carried in GEOTHERMAL WATER to electricity generation system, flash vessel is set according to different underground heat water temperature classifications, economizes on resources, improves generating efficiency.
Description
Technical field
The present invention relates to geothermal utilization technical field, particularly a kind of flash method system for geothermal production of electricity.
Background technology
Geothermal energy resources are a kind of cleaning and the recycled energy, and the stratum of non-owner very high temperature just can be with
Be 3 DEG C/100m according to general geothermic gradient using geothermal energy resources, even then without hot spring region, 2000m or so ground
Layer temperature can also can so meet the application demand for geothermal energy resources completely to more than 60 DEG C.
China is the abundant country of a geothermal energy resources deposit, equivalent to 18.54 hundred million tons standard coals of its total amount, wherein North China
The hot water total amount in basin is 900,000,000 tons, and equivalent to 50% or so of the whole nation, but utilization of the China for geothermal energy resources is also much insufficient,
Geothermal energy resources are urgently greatly developed, especially for northern area, heat supply in winter causes each big city coal consumption to increase, therewith band
The environmental pollution phenomenons such as the haze come significantly impact the health of people, if it is possible to make full use of stratum in vast city
Geothermal energy resources caused by temperature, then can not only reduce the consumption to coal resources, improvement that can also be to environment improves
Play a part of huge promotion, there is high social economic value.
Although having recycled the device or system of geothermal energy resources now, on existing device or system extraction ground
Thermal water utilization efficiency is low, and the GEOTHERMAL WATER produced often carries silt, and easy wear equipment reduction whole system uses the longevity
Life.
The content of the invention
The invention aims to solve the above problems, a kind of flash method system for geothermal production of electricity is devised.
Realize above-mentioned purpose the technical scheme is that, a kind of flash method system for geothermal production of electricity, mainly by steam-water separation
Device, the first flash vessel, the second flash vessel, condenser, air ejector, condensation pond, geothermal well, geothermal reinjection well construction, wherein, institute
Geothermal well and steam-water separator inlet communication are stated, the delivery port of the steam-water separator connects with the water inlet of the first flash vessel,
The delivery port of first flash vessel connects with the water inlet of the second flash vessel, and the delivery port pipeline of the first flash vessel is also with second
The delivery port pipeline communication of flash vessel, the steam-water separator, the first flash vessel, the second flash vessel venthole and steam turbine
Air intake connection, the steam turbine is connected with generator, the water inlet of the delivery port of the steam turbine and the condenser
Connection, the cooling water inlet of the condenser, the outlet of coolant outlet and condensation pond, inlet communication, the condenser
Delivery port, the delivery port of the second flash vessel are connected with geothermal reinjection well, and removal of impurities is additionally provided between the geothermal well and steam-water separator
Device, the delivery port of first flash vessel and the water inlet of the second flash vessel are provided with the first valve body, the outlet pipe of the first flash vessel
The second valve body is provided between the outlet conduit of road and the second flash vessel；
The external hinge of the trash separator is connected with the door that can be started upwards, and the door is provided with handle and transparent form, institute
The inner surface for stating door is surrounded by seal, and the sieve plate that mesh number is arranged in order from small to large, institute are provided with inside the trash separator
The inside for stating sieve plate and the trash separator is detachably connected.
Further, the trash separator is cylindrical structural.
Further, the number of the sieve plate be two and more than.
Further, the condenser is also connected with air ejector.
The flash method system for geothermal production of electricity made using technical scheme, its advantage are：1st, provided with except
Miscellaneous device, the sandstone carried in GEOTHERMAL WATER can be removed, reduce abrasion of the sandstone to follow-up equipment, improve the work longevity of whole system
Life；2nd, reasonable in design, trash separator, which is provided with transparent form, can observe the working condition of inner screen web plate, change be plugged in time
Sieve plate；3rd, classification is set, and is economized on resources, and improves generating efficiency, according to the difference of geothermal water temperature, can select to open or
Close the second flash vessel.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of trash separator in the present invention；
In figure, 1, geothermal well；2nd, trash separator；3rd, steam-water separator；4th, steam turbine；5th, the first flash vessel；6th, the second flash vessel；7、
First valve body；8th, water pump；9th, air ejector；10th, generator；11st, pond is condensed；12nd, geothermal reinjection well；13rd, condenser；14th,
Hand；15th, form；16th, door；17th, the second valve body.
Embodiment
It should be understood that specific embodiment described herein is used only for explaining the present invention, it is not intended to limit the present invention.
The invention provides a kind of flash method system for geothermal production of electricity as shown in Figure 1-2, mainly by steam-water separator 3, first
Flash vessel 5, the second flash vessel 6, condenser 13, air ejector 9, condensation pond 11, geothermal well 1, geothermal reinjection well 12 form, its
In, the geothermal well 1 and the inlet communication of steam-water separator 3, the delivery port of the steam-water separator 3 enter with the first flash vessel 5
The mouth of a river connects, and the delivery port of first flash vessel 5 connects with the water inlet of the second flash vessel 6, the outlet pipe of the first flash vessel 5
Outlet conduit of the road also with the second flash vessel 6 connect, and the steam-water separator 3, the first flash vessel 5, the second flash vessel 6 go out vapour
Air intake of the mouth with steam turbine 4 connects, and the steam turbine 4 is connected with generator 10, the delivery port of the steam turbine 4 and institute
The water inlet for stating condenser 13 connects, the outlet of the cooling water inlet, coolant outlet and condensation pond 11 of the condenser 13,
Inlet communication, the delivery port of the condenser 13, the delivery port of the second flash vessel 6 connect with geothermal reinjection well 12, the underground heat
Trash separator 2, the water inlet of the outlet conduit of first flash vessel 5 and the second flash vessel 6 are additionally provided between well 1 and steam-water separator 3
Pipeline enclosure is provided with the second valve between being provided with the outlet conduit of the first valve body 7, the outlet conduit of the first flash vessel 5 and the second flash vessel 6
Body 17；
The external hinge of the trash separator 2 is connected with the door 16 that can be started upwards, and the door 16 is provided with handle 14 and transparent
Form 15, the inner surface of the door 16 is surrounded by seal, when seal is used for preventing normal work, door will not leak, institute
State and the sieve plate that mesh number is arranged in order from small to large is provided with inside trash separator 2, the inside of the sieve plate and the trash separator 2 can
Dismantling connection.
Preferably, the trash separator 2 is cylindrical structural.
Preferably, the number of the sieve plate be two and more than, sieve plate is according to the ascending arrangement of mesh number, Ke Yifen
The sandstone particle carried in level barrier GEOTHERMAL WATER.
Preferably, the condenser 13 is also connected with air ejector 9.
Wherein, the delivery port of the second flash vessel 6, the pipeline of the delivery port of condenser 13 to geothermal reinjection well 12 are provided with water pump 8,
Water pump 8 also is provided with the pipeline that condenser 13 circulates with condensation pond 11.
When specifically used：When the coolant-temperature gage in geothermal well 1 is relatively low, the first valve body 7 can be closed, opens the second valve body
17 so that the water discharged in the first flash vessel 5 is transmitted directly in geothermal reinjection well 12, when the coolant-temperature gage in geothermal well 1 is higher
When, then the second valve body 17 is closed, opens the first valve body 7 so that the water discharged in the first flash vessel 5 can pass through the second flash vessel
6, further decompression and expansion, the utilization ratio of GEOTHERMAL WATER is improved, improves generated energy, be provided with the water outlet of geothermal well 1
Trash separator 2, the sandstone carried in GEOTHERMAL WATER can be removed, reduce abrasion of the sandstone to follow-up equipment, also set on the door of trash separator 2
There is transparent form, the working condition inside trash separator 2 can be observed, stop work change sieve plate in time.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic,
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., it should be included in the present invention's
Within protection domain.
Claims (4)
1. a kind of flash method system for geothermal production of electricity, mainly by steam-water separator, the first flash vessel, the second flash vessel, condenser, take out
Gas device, condensation pond, geothermal well, geothermal reinjection well construction, it is characterised in that the geothermal well connects with steam-water separator import
Logical, the delivery port of the steam-water separator connects with the water inlet of the first flash vessel, the delivery port of first flash vessel and the
The water inlet connection of two flash vessels, the outlet conduit of the outlet conduit of the first flash vessel also with the second flash vessel connect, the vapour
Separator, the first flash vessel, the venthole of the second flash vessel connect with the vapour gas port that enters of steam turbine, the steam turbine and hair
Motor is connected, and the delivery port of the steam turbine connects with the water inlet of the condenser, the cooling water inlet of the condenser,
Coolant outlet and outlet, the inlet communication for condensing pond, the delivery port of the condenser, delivery port and the ground of the second flash vessel
The connection of hot inverted well, is additionally provided with trash separator between the geothermal well and steam-water separator, the delivery port of first flash vessel and the
Set between the water inlet of two flash vessels between the outlet conduit provided with the first valve body, the outlet conduit of the first flash vessel and the second flash vessel
There is the second valve body；
The external hinge of the trash separator is connected with the door that can be started upwards, and the door is provided with handle and transparent window, described
The inner surface of door is surrounded by seal, and the sieve plate that mesh number is arranged in order from small to large is provided with inside the trash separator, described
The inside of sieve plate and the trash separator is detachably connected.
A kind of 2. flash method system for geothermal production of electricity according to claim 1, it is characterised in that：The trash separator is cylinder
Structure.
A kind of 3. flash method system for geothermal production of electricity according to claim 2, it is characterised in that：The number of the sieve plate is
Two and more than.
A kind of 4. flash method system for geothermal production of electricity according to claim 1, it is characterised in that：The condenser also with pumping
Device connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710669082.2A CN107514347A (en) | 2017-08-08 | 2017-08-08 | Flash method system for geothermal production of electricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710669082.2A CN107514347A (en) | 2017-08-08 | 2017-08-08 | Flash method system for geothermal production of electricity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107514347A true CN107514347A (en) | 2017-12-26 |
Family
ID=60722433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710669082.2A Pending CN107514347A (en) | 2017-08-08 | 2017-08-08 | Flash method system for geothermal production of electricity |
Country Status (1)
| Country | Link |
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| CN (1) | CN107514347A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301996A (en) * | 2018-01-30 | 2018-07-20 | 中国华能集团清洁能源技术研究院有限公司 | A kind of device and method using low temperature geother-mal power generation in shallow-layer |
Citations (7)
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|---|---|---|---|---|
| US4152898A (en) * | 1977-08-01 | 1979-05-08 | Bechtel International Corporation | Energy transfer apparatus and method using geothermal brine |
| CN1097239A (en) * | 1992-10-02 | 1995-01-11 | 奥马特工业有限公司 | Geothermal power station by the work of high pressure geothermal fluid |
| CN2799042Y (en) * | 2005-07-06 | 2006-07-26 | 于海智 | Filter |
| CN202017587U (en) * | 2010-12-28 | 2011-10-26 | 徐毅 | Multi-stage flash terrestrial heat extracting power generating system |
| CN103306918A (en) * | 2013-05-29 | 2013-09-18 | 上海盛合新能源科技有限公司 | Geothermal power generation system by adopting photo-thermal twice evaporating |
| US20140116046A1 (en) * | 2012-11-01 | 2014-05-01 | Kabushiki Kaisha Toshiba | Power generating system |
| CN105888992A (en) * | 2016-04-20 | 2016-08-24 | 东南大学 | Solar energy and terrestrial heat combination two-level flash double-working-medium cycle power generation hot water system |
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2017
- 2017-08-08 CN CN201710669082.2A patent/CN107514347A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4152898A (en) * | 1977-08-01 | 1979-05-08 | Bechtel International Corporation | Energy transfer apparatus and method using geothermal brine |
| CN1097239A (en) * | 1992-10-02 | 1995-01-11 | 奥马特工业有限公司 | Geothermal power station by the work of high pressure geothermal fluid |
| CN2799042Y (en) * | 2005-07-06 | 2006-07-26 | 于海智 | Filter |
| CN202017587U (en) * | 2010-12-28 | 2011-10-26 | 徐毅 | Multi-stage flash terrestrial heat extracting power generating system |
| US20140116046A1 (en) * | 2012-11-01 | 2014-05-01 | Kabushiki Kaisha Toshiba | Power generating system |
| CN103306918A (en) * | 2013-05-29 | 2013-09-18 | 上海盛合新能源科技有限公司 | Geothermal power generation system by adopting photo-thermal twice evaporating |
| CN105888992A (en) * | 2016-04-20 | 2016-08-24 | 东南大学 | Solar energy and terrestrial heat combination two-level flash double-working-medium cycle power generation hot water system |
Non-Patent Citations (1)
| Title |
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| 刘金侠 袁清: "《当代石油和石化工业技术普及读本 地热》", 31 January 2014, 中国石化出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301996A (en) * | 2018-01-30 | 2018-07-20 | 中国华能集团清洁能源技术研究院有限公司 | A kind of device and method using low temperature geother-mal power generation in shallow-layer |
| CN108301996B (en) * | 2018-01-30 | 2023-09-29 | 中国华能集团清洁能源技术研究院有限公司 | Device and method for generating power by utilizing low-temperature geothermal energy in shallow layer |
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Application publication date: 20171226 |