CN204572361U - One is heat generating system cryogenically - Google Patents
One is heat generating system cryogenically Download PDFInfo
- Publication number
- CN204572361U CN204572361U CN201520175421.8U CN201520175421U CN204572361U CN 204572361 U CN204572361 U CN 204572361U CN 201520175421 U CN201520175421 U CN 201520175421U CN 204572361 U CN204572361 U CN 204572361U
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- output tube
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- cryogenically
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- 239000007788 liquid Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000004804 winding Methods 0.000 claims abstract description 5
- 239000002131 composite material Substances 0.000 claims abstract description 4
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 9
- 238000005553 drilling Methods 0.000 abstract description 7
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 239000011435 rock Substances 0.000 abstract description 2
- 230000005514 two-phase flow Effects 0.000 abstract description 2
- 239000000126 substance Substances 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 229910000952 Be alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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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- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The utility model discloses one cryogenically heat generating system, comprise cryogenically hot well straight well pit shaft, series winding pressure energy cluster engine and low-speed generator group, closed well casing is provided with in described straight well pit shaft, composite work medium liquid is provided with in described closed well casing, described closed well casing is connected to form loop by gas inlet pipe, cluster engine, Exhaust Gas output tube and gas output tube successively, described cluster engine is connected with low-speed generator group, is provided with working medium liquid condensing case between described Exhaust Gas output tube and gas output tube.The utility model has the stable advantage of smart structural design, the work of liquid-vapour two phase flow, security of operation, adopt it that the shallow-layer low temperature underground heat of 30 DEG C ~ 80 DEG C can be utilized to generate electricity, not only reduce drilling cost and cost of electricity-generating, simultaneously, owing to being closed well, prevent the generation of well casing scale formation; Meanwhile, take out heat in geothermal well and do not draw water, be suitable for and generate electricity with the xeothermic rock stratum of taking up an area heat 99%.
Description
Technical field
The utility model relates to a kind of power generation system, particularly one cryogenically heat generating system.
Background technique
At present, geothermal power plant all utilizes higher geotemperature to generate electricity, according to the regulation of China underground heat standard GB/T 11615-89, only has geotemperature between 90 DEG C ~ 150 DEG C, generating could be used for, for existing geothermal power generation, there is following deficiency:
1. with high costs: when existing geothermal power generation temperature needs to reach 90 DEG C ~ 150 DEG C, about the drilling depth of its geothermal well will reach 5000m, calculate according to average 2670 yuan/ meter Jin Hang, only drilling cost just will reach 1,335 ten thousand yuan/hole, with high costs.
2. twin-well runs: existing geothermal power plant, that the hot water in geothermal well is extracted into ground, generate electricity through transformation of energy, then by generating draining later, in stratum, carry out pressure through recharge well to recharge, the continuous regenerative cycle of hot water under could ensureing like this, so, must twin-well be adopted, add drilling cost like this.
3. well casing fouling: owing to containing a large amount of CaCO in geothermal water
3deng mineral substance, geothermal water is in stable saturation state in underground always, once geothermal power station brings into operation, the temperature of geothermal water, pressure will produce corresponding change in system, originally the mineral substance state of temperature being in saturated solution physics state in geothermal water is broken, become supersaturated solution, will produce in geothermal well, pipeline and equipment and separate out precipitation fouling, thus hot water flow is reduced, it is obstructed that serious meeting produces line clogging, the problem generation that system is out of service.
Model utility content
The purpose of this utility model be just to provide a kind ofly 600 meters ~ 3000 meters shallow layer geothermal energies of low temperature 30 DEG C ~ 800 DEG C can be utilized to carry out generating electricity, lower-cost cryogenically heat generating system.
The purpose of this utility model is realized by such technological scheme, one is heat generating system cryogenically, comprise cryogenically hot well straight well pit shaft, series winding pressure energy cluster engine and low-speed generator group, closed well casing is provided with in described straight well pit shaft, composite work medium liquid is provided with in described closed well casing, described closed well casing passes through gas inlet pipe successively, cluster engine, Exhaust Gas output tube and gas output tube are connected to form loop, described cluster engine is connected with low-speed generator group, working medium liquid condensing case is provided with between described Exhaust Gas output tube and gas output tube.
In order to improve heat transfer efficiency, in the space between described straight well shaft in wall and closed well casing outer wall, be provided with heat transfer water.
In order to enlarge active surface, be provided with the inclines be communicated with straight well pit shaft in the bottom of described straight well pit shaft.
Further describe, described working medium liquid condensing case comprises casing, cooling water is provided with in the inner chamber of described casing, be positioned at the top of inner chamber and bottom and be respectively arranged with and enter chamber and disengagement chamber in the inner chamber of described casing, described entering between chamber and disengagement chamber is provided with the condensation tubulation that multiple connection enters chamber and disengagement chamber, have the working medium air pump delivery pipe being communicated with and entering the band extraction pump of chamber and disengagement chamber in the outer installment of described casing, described gas output tube is connected with disengagement chamber.
In order to Quick air-discharge, uniformly on the dip section that described working medium air pump delivery pipe stretches into disengagement chamber be provided with air outlet hole.
In order to controlling run, described gas inlet pipe and gas output tube are provided with solenoid valve.
Owing to have employed technique scheme, the utility model has the stable advantage of smart structural design, the work of liquid-vapour two phase flow, security of operation, adopt it that the shallow-layer low temperature underground heat of 30 DEG C ~ 80 DEG C can be utilized to generate electricity, not only reduce drilling cost and cost of electricity-generating, simultaneously, owing to being closed well, prevent the generation of well casing scale formation; Meanwhile, take out heat in geothermal well and do not draw water, be suitable for and generate electricity with the xeothermic rock stratum of taking up an area heat 99%.
Accompanying drawing explanation
Accompanying drawing of the present utility model is described as follows:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is working medium liquid condensing box structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail; but the utility model is not limited to these mode of executions; any improvement or alternative on the present embodiment essence spirit, still belongs to the utility model claim scope required for protection.
Implement 1: as shown in Figure 1, one is heat generating system cryogenically, comprise cryogenically hot well straight well pit shaft 1, series winding pressure energy cluster engine 2 and low-speed generator group 3, closed well casing 4 is provided with in described straight well pit shaft 1, composite work medium liquid 5 is provided with in described closed well casing 4, described closed well casing 4 is successively by gas inlet pipe 6, cluster engine 2, Exhaust Gas output tube 20 and gas output tube 7 are connected to form loop, described cluster engine 2 is connected with low-speed generator group 3, working medium liquid condensing case 8 is provided with between described Exhaust Gas output tube 20 and gas output tube.
In order to improve heat transfer efficiency, in the space between described straight well pit shaft 1 inwall and closed well casing 4 outer wall, be provided with the water 9 that conducts heat.
In order to increase heat transfer area, be provided with the inclines 10 be communicated with straight well pit shaft 1 in the bottom of described straight well pit shaft 1.Certainly, the number of inclines 10 also can be set according to actual conditions more.
As shown in Figure 2, working medium liquid condensing case 8 of the present utility model comprises casing 11, cooling water 12 is provided with in the inner chamber of described casing 11, be positioned at the top of inner chamber and bottom and be respectively arranged with and enter chamber 13 and disengagement chamber 14 in the inner chamber of described casing 11, described entering between chamber 12 and disengagement chamber 14 is provided with the condensation tubulation 15 that multiple connection enters chamber 13 and disengagement chamber 14, have the working medium air pump delivery pipe 17 being communicated with and entering the band extraction pump 16 of chamber 13 and disengagement chamber 14 in the outer installment of described casing 11, described gas output tube 7 is connected with disengagement chamber 14.
In order to improve the speed of exhaust, uniformly on the dip section that described working medium air pump delivery pipe 17 stretches into disengagement chamber 14 be provided with air outlet hole 18.
In order to control the time of generator operation, described gas inlet pipe 6 and gas output tube 7 are provided with solenoid valve 19.
In the utility model, cluster engine can adopt the patent No. for two stroke piston formula motors disclosed in 201420472163.5, also can adopt rotary polygonal piston engine, series winding twin helical rotors expansion engine, low speed can also be adopted to send out electric energy machine or low speed wind power generator.
In the utility model, closed well casing can be alloy aluminum pipe or steel pipe, and because the thermal transmission coefficient of aluminum pipe is higher, effect is better, so the utility model generally adopts aluminum pipe.
The utility model is work like this: first in well casing 1, pour into wellbore heat water 9, then entered in closed well casing 4 through working medium liquid pump by working medium liquid.Pass through heat trnasfer, thermal energy is the hydro-thermal energy of straight well pit shaft water in large quantities, hydro-thermal makes the working medium liquid in closed well casing 4 heat up by heat exchange, because the boiling point of working medium liquid is lower, makes it change gaseous state into, and in well casing under vapour pressure 2MPa condition, form liquid-vapour two-phase fluid, by gas output tube 6 two-phase working substance spread and be passed to cluster engine 2, promote cluster engine 2 and run, after cluster engine 2 runs, low-speed generator group 3 is driven to generate electricity; Then two-phase working substance stream discharged cluster engine 2, entered into working medium liquid condensing case 8 cool by gas output tube 7 after promoting cluster engine 2 work, and the working medium liquid forming liquid state after cooling is poured in closed well casing 4 again by pump 21, again utilizes.
In the utility model, because drilling depth is 600 meters ~ 3000 meters, drilling cost decreases 40% ~ 70%, meanwhile, only needs single well heat, cost will reduce 50% again, by measuring and calculating, production and operation cost of the present utility model is 0.4 yuan/KWh, lower than 0.6 yuan/KWh of land wind-powered electricity generation, lower than 0.7 yuan/KWh of nuclear power, lower than 1.5 yuan/KWh of offshore wind farm.
Claims (6)
1. a cryogenically heat generating system, comprise cryogenically hot well straight well pit shaft (1), series winding pressure energy cluster engine (2) and low-speed generator group (3), it is characterized in that: in described straight well pit shaft (1), be provided with closed well casing (4), composite work medium liquid (5) is provided with in described closed well casing (4), described closed well casing (4) is successively by gas inlet pipe (6), cluster engine (2), Exhaust Gas output tube (20) and gas output tube (7) are connected to form loop, described cluster engine (2) is connected with low-speed generator group (3), working medium liquid condensing case (8) is provided with between described Exhaust Gas output tube (20) and gas output tube.
2. cryogenically heat generating system as claimed in claim 1, is characterized in that: be provided with the water (9) that conducts heat in the space between described straight well pit shaft (1) inwall and closed well casing (4) outer wall.
3. cryogenically heat generating system as claimed in claim 2, is characterized in that: be provided with the inclines (10) be communicated with straight well pit shaft (1) in the bottom of described straight well pit shaft (1).
4. as claim 1, cryogenically heat generating system described in 2 or 3, it is characterized in that: described working medium liquid condensing case (8) comprises casing (11), cooling water (12) is provided with in the inner chamber of described casing (11), be positioned at the top of inner chamber and bottom and be respectively arranged with and enter chamber (13) and disengagement chamber (14) in the inner chamber of described casing (11), described entering between chamber (12) and disengagement chamber (14) is provided with the condensation tubulation (15) that multiple connection enters chamber (13) and disengagement chamber (14), connection is had to enter the working medium air pump delivery pipe (17) of the band extraction pump (16) of chamber (13) and disengagement chamber (14) in the outer installment of described casing (11), described gas output tube (7) is connected with disengagement chamber (14).
5. cryogenically heat generating system as claimed in claim 4, is characterized in that: uniformly on the dip section that described working medium air pump delivery pipe (17) stretches into disengagement chamber (14) be provided with air outlet hole (18).
6. cryogenically heat generating system as claimed in claim 5, is characterized in that: on described gas inlet pipe (6) and gas output tube (7), be provided with solenoid valve (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520175421.8U CN204572361U (en) | 2015-03-27 | 2015-03-27 | One is heat generating system cryogenically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520175421.8U CN204572361U (en) | 2015-03-27 | 2015-03-27 | One is heat generating system cryogenically |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204572361U true CN204572361U (en) | 2015-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520175421.8U Expired - Fee Related CN204572361U (en) | 2015-03-27 | 2015-03-27 | One is heat generating system cryogenically |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204572361U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728061A (en) * | 2015-03-27 | 2015-06-24 | 重庆天豪建材有限责任公司 | Low-temperate geothermal power generation system |
| CN105958870A (en) * | 2016-06-29 | 2016-09-21 | 中国石油大学(华东) | Composite cold-source hot dry rock thermoelectric power generation system and method |
| CN108756821A (en) * | 2018-05-28 | 2018-11-06 | 中国石油大学(华东) | Oil well thermoelectric heat generation system and method |
| CN108799024A (en) * | 2018-05-28 | 2018-11-13 | 中国石油大学(华东) | U-tube heat exchange closed cycle underground thermoelectric heat generation system and method |
| CN108869207A (en) * | 2018-05-28 | 2018-11-23 | 中国石油大学(华东) | Shaft type heat exchange closed cycle underground thermoelectric heat generation system and method |
| CN111412671A (en) * | 2020-03-16 | 2020-07-14 | 新昌县星丰机械厂 | Shallow geothermal energy utilization device applied to underground water flow |
| US10914293B2 (en) | 2018-06-20 | 2021-02-09 | David Alan McBay | Method, system and apparatus for extracting heat energy from geothermal briny fluid |
-
2015
- 2015-03-27 CN CN201520175421.8U patent/CN204572361U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728061A (en) * | 2015-03-27 | 2015-06-24 | 重庆天豪建材有限责任公司 | Low-temperate geothermal power generation system |
| CN105958870A (en) * | 2016-06-29 | 2016-09-21 | 中国石油大学(华东) | Composite cold-source hot dry rock thermoelectric power generation system and method |
| CN105958870B (en) * | 2016-06-29 | 2017-11-21 | 中国石油大学(华东) | Compound low-temperature receiver hot dry rock thermoelectric heat generation system and method |
| CN108756821A (en) * | 2018-05-28 | 2018-11-06 | 中国石油大学(华东) | Oil well thermoelectric heat generation system and method |
| CN108799024A (en) * | 2018-05-28 | 2018-11-13 | 中国石油大学(华东) | U-tube heat exchange closed cycle underground thermoelectric heat generation system and method |
| CN108869207A (en) * | 2018-05-28 | 2018-11-23 | 中国石油大学(华东) | Shaft type heat exchange closed cycle underground thermoelectric heat generation system and method |
| US10914293B2 (en) | 2018-06-20 | 2021-02-09 | David Alan McBay | Method, system and apparatus for extracting heat energy from geothermal briny fluid |
| US11225951B2 (en) | 2018-06-20 | 2022-01-18 | David Alan McBay | Method, system and apparatus for extracting heat energy from geothermal briny fluid |
| US11692530B2 (en) | 2018-06-20 | 2023-07-04 | David Alan McBay | Method, system and apparatus for extracting heat energy from geothermal briny fluid |
| CN111412671A (en) * | 2020-03-16 | 2020-07-14 | 新昌县星丰机械厂 | Shallow geothermal energy utilization device applied to underground water flow |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20180327 |
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| CF01 | Termination of patent right due to non-payment of annual fee |