CN101696829A - Method for remotely transferring and storing geothermal energy, device and application thereof - Google Patents
Method for remotely transferring and storing geothermal energy, device and application thereof Download PDFInfo
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- CN101696829A CN101696829A CN200910073118A CN200910073118A CN101696829A CN 101696829 A CN101696829 A CN 101696829A CN 200910073118 A CN200910073118 A CN 200910073118A CN 200910073118 A CN200910073118 A CN 200910073118A CN 101696829 A CN101696829 A CN 101696829A
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Abstract
The invention relates to a method for remotely transferring and storing geothermal energy, a device and application thereof. In the method, after a heat absorption evaporator of a heat transfer unit of a gravity vacuum heat pipe absorbs huge geothermal energy in high-temperature rock magma in deep parts of the earth, a liquid working medium in the heat absorption evaporator is gasified to produce pressure steam, latent heat steam sources are continuously transferred to a heat radiator arranged in a heat radiation section in a heat and energy storage tank through a heat transfer pipe in a vacuum insulation pipe of an insulation section, and gasified latent heat sources are continuously transferred to cryogenic liquid in the heat and energy storage tank through the wall of the heat radiator, thereby completing the geothermal energy exchange. The method overcomes the problem of geothermal energy loss in conventionally pumping underground water source steam; and the geothermal energy source loss can be lowered during the remote transferring of the geothermal energy by applying the method, and the geothermal energy can be fully utilized.
Description
Technical field: the present invention relates to be the huge heat energy that will contain in the xeothermic rock slurry of earth interior high temperature under the face of land pass to the method that heat accumulation energy storage tank on the ground or energy storage steamdrum utilize again at a distance by the gravity vacuum heat pipe, what be specifically related to is method, its device and the application of remotely transferring and storing geothermal energy.
Background technology: the heat energy of the earth self is inexhaustible and the energy of cheap environmental protection to the mankind, the existing ground thermal technology of quoting with exploitation, as geothermal power generation, geothermal heating, technology such as GEOTHERMAL WATER thermal source pump, all be underground hiding hot water or vapours to be extracted by geothermal well guide to ground and utilize again, extract or will pass through during the heat energy of guiding deep the km low temperature section when taking ground to most of heat energy all be lost in the low temperature section road, especially be difficult to find a large amount of underground fountain steam heat storehouses that form naturally in underground 3000 meters high-temperature regions to more than～300 degree of 120 degree below the 5000m, so be only limited to the place that the nature hot spring is arranged, efficient is low, investment is big, especially take underground water source to be constituted a threat to behind the recharging technique and pollute, restricted underground heat broad application and development.
Summary of the invention: the method that the purpose of this invention is to provide a kind of remotely transferring and storing geothermal energy, the method has overcome the existing heat-energy losses problem of conventional groundwater abstraction source steam, adopting said method can reduce the heat energy loss in the long-distance transmissions transmittance process, need not to take to extract the method for geothermal water energy or steam energy, another object of the present invention provides the remotely transferring and storing geothermal energy device; The 3rd purpose of the present invention provides the application of the method for remotely transferring and storing geothermal energy.
The technical solution adopted for the present invention to solve the technical problems is: a kind of method of remotely transferring and storing geothermal energy, the heat absorption evaporimeter of gravity vacuum heat pipe heat transfer device absorbs in the high temperature rock slurry in earth deep behind the huge heat energy, with the liquid working substance vaporization in the heat absorption evaporimeter, and generation steam, make latent heat steam pass to radiator in the heat release section that is placed in the heat accumulation energy storage tank continually by the heat-transfer pipe in the adiabatic section vacuum heat-preserving tube again, by the heat release wall latent heat of vaporization is passed to cryogenic liquid in the heat accumulation energy storage tank endlessly, finish thermal energy exchange; Liquid in the heat accumulation energy storage tank is controlled at all the time the temperature that is lower than from geothermal energy down-hole steam temperature value, steam is met and to be become liquid again after cold like this, under the effect of gravity, make liquid be back to the evaporation recirculation of absorbing heat in the down-hole heat absorption evaporimeter again along heat-transfer pipe tube wall or condensing reflux pipe, because gravity vacuum heat pipe heat transfer device inside is vacuum environment, evaporative condenser can be realized circulation at a high speed in diabatic process, that goes round and begins again like this just can pass to a large amount of geothermal energies in the liquid working substance or water in the heat accumulation energy storage tank on ground endlessly, utilizes again.
A kind of method of remotely transferring and storing geothermal energy, the heat absorption evaporimeter of gravity vacuum heat pipe heat transfer device absorbs in the high temperature rock slurry in earth deep behind the huge heat energy, with the liquid working substance vaporization in the heat absorption evaporimeter, and generation steam, by the heat-transfer pipe in the adiabatic section vacuum heat-preserving tube, latent heat steam is passed to the energy storage steamdrum continuously utilize again again.
A kind of remotely transferring and storing geothermal energy device comprises geothermal well, gravity vacuum heat pipe heat transfer device, heat accumulation energy storage tank, the heat absorption evaporimeter of gravity vacuum heat pipe heat transfer device is inserted in the deep geothermal heat well, and the radiator of gravity vacuum heat pipe heat transfer device inserts in the heat accumulation energy storage tank on ground; The gravity vacuum heat pipe heat transfer device is the vacuum tightness circulatory system that is made of heat absorption evaporimeter, heat-transfer pipe, radiator, low boiling point working medium or water are housed in it, and the heat absorption evaporimeter is in the lower end, and radiator is in the upper end, the centre is a heat-transfer pipe, and heat-transfer pipe places in the vacuum heat-preserving tube.
Absorb heat in such scheme evaporimeter, heat-transfer pipe, radiator directly is communicated with successively.
The heat absorption evaporimeter is connected with the sleeve pipe that heat-transfer pipe constitutes by the condensing reflux pipe with radiator in the such scheme, and the condensing reflux pipe box is installed check valve in the annular space of the two bottom outside heat-transfer pipe, and heat-transfer pipe inserts in the radiator.
Absorb heat in such scheme evaporimeter, heat-transfer pipe, radiator directly is communicated with successively, also is connected with the condensing reflux pipe between heat absorption evaporimeter and the radiator, and check valve is installed in the bottom of condensing reflux pipe.
In the such scheme in the gravity vacuum heat pipe heat transfer device liquid working substance can be low-boiling point materials such as methyl alcohol, ethanol, R11 or water etc.
The method of above-mentioned remotely transferring and storing geothermal energy, be used to steam turbine that steam is provided, the pushing turbine generating, need be heated into steam this moment with the water of heat accumulation energy storage tank, and electricity is used for electric smelting, brine electrolysis, cathode copper, electrolytic aluminium, electrolytic zinc, battery charging plant, oil field oil recovery.
The method of above-mentioned remotely transferring and storing geothermal energy is used to bathing or heating that hot water is provided.
Beneficial effect: method provided by the invention has overcome the existing heat-energy losses problem of conventional groundwater abstraction source steam, adopting said method can reduce the heat energy loss in the long-distance transmissions transmittance process, the method that need not to take to extract geothermal water energy or steam energy just can be utilized the huge thermal energy transfer of containing in the xeothermic rock slurry of earth interior high temperature under the face of land to ground again.
Description of drawings:
Fig. 1 is the apparatus structure schematic diagram of the embodiment of the invention 1;
Fig. 2 is the apparatus structure schematic diagram of the embodiment of the invention 2;
Fig. 3 is the apparatus structure schematic diagram of the embodiment of the invention 3;
Fig. 4 is the apparatus structure schematic diagram of the embodiment of the invention 4;
Fig. 5 is the apparatus structure schematic diagram of the embodiment of the invention 5;
Fig. 6 is the apparatus structure schematic diagram of the embodiment of the invention 6;
Fig. 7 is the apparatus structure schematic diagram of the embodiment of the invention 7;
Fig. 8 is the structural representation that the inventive method is used.
1 heat absorption evaporimeter, 2 heat-transfer pipes, 3 radiators, 4 geothermal wells, 5 heat accumulation energy storage tanks, 6 vacuum heat-preserving tubes, 7 condensing reflux pipes, 8 check valves, 9 cryogenic medias or water, 10 heat transfer charges, 11 geothermal heat flows, the defeated outward pipe of 12 high-temp liquids, 13 cryogenic liquid recurrent canals, 14 energy storage steamdrums, 15 outer defeated steam pipes, 16 steam turbines, 17 liquid back pipes, 18 cooling towers, 19 heat exchangers, 20 circulating pumps, 21 holes
The specific embodiment:
The present invention will be further described in conjunction with the accompanying drawings:
Embodiment 1:
The method of this remotely transferring and storing geothermal energy, the heat absorption evaporimeter 1 of gravity vacuum heat pipe heat transfer device absorbs in the high temperature rock slurry in earth deep behind the huge heat energy, with the liquid working substance vaporization in the heat absorption evaporimeter 1, and generation steam, latent heat steam is passed to continually be placed in radiator 3 in the heat release section in the heat accumulation energy storage tank 5 by the heat-transfer pipe 2 in the adiabatic section vacuum heat-preserving tube 6 again, by radiator 3 walls the latent heat of vaporization is passed to cryogenic liquid in the heat accumulation energy storage tank 5 endlessly, finish thermal energy exchange; Liquid in the heat accumulation energy storage tank 5 is controlled at all the time the temperature that is lower than from geothermal energy down-hole steam temperature value, steam is met and to be become liquid again after cold like this, under the effect of gravity, make liquid be back to the evaporation recirculation of absorbing heat in the down-hole heat absorption evaporimeter 1 again along heat-transfer pipe 2 tube walls or condensing reflux pipe 7, because gravity vacuum heat pipe heat transfer device inside is vacuum environment, evaporative condenser can be realized circulation at a high speed in diabatic process, and that goes round and begins again like this just can pass to a large amount of geothermal energies in the liquid working substance or water of 5 li of ground heat accumulation energy storage tanks endlessly.
As shown in Figure 1, this remotely transferring and storing geothermal energy device comprises geothermal well 4, gravity vacuum heat pipe heat transfer device, heat accumulation energy storage tank 5, geothermal well 4 need be drilled on ground below 2000 meters, be lowered to the sleeve pipe that steel or cement makes and promptly can be made into geothermal well, the diameter of well is big more, well depth is dark more, the energy of obtaining geothermal heat flow 11 is just big more, in order to improve heat transfer efficiency, make the heat in the rock stratum give heat absorption evaporimeter 1 by 10 conduction of heat transfer charges better, designed some apertures 21 at the bottom and the heat absorption evaporimeter 1 corresponding position of geothermal well 4 sleeve pipes.The heat absorption evaporimeter 1 of gravity vacuum heat pipe heat transfer device is inserted in the deep geothermal heat well 4, put into heat transfer charges 10 between geothermal well 4 and the evaporimeter 1, heat transfer charges 10 can be water, and the radiator 3 of gravity vacuum heat pipe heat transfer device inserts in the heat accumulation energy storage tank 5 on ground; The gravity vacuum heat pipe heat transfer device is the vacuum tightness circulatory system that is made of heat absorption evaporimeter 1, heat-transfer pipe 2, radiator 3, heat absorption evaporimeter 1, heat-transfer pipe 2, radiator 3 directly are communicated with successively, heat absorption evaporimeter 1 is in the lower end, radiator 3 is in the upper end, the centre is a heat-transfer pipe 2, heat-transfer pipe 2 places in the vacuum heat-preserving tube 6, radiator 3 is elliptoid, fin is arranged outside it, behind heat absorption evaporimeter 1, heat-transfer pipe 2, the radiator 3 inner vacuum pumping environment, be pressed into certain amount of fluid (evaporation and condensation) cycle fluid or water, i.e. cryogenic media or water 9 according to actual needs again; Heat accumulation energy storage tank 5 is for having the tank body of vacuum heat-insulating layer, it is provided with the defeated pipe 12 of high-temp liquid, cryogenic liquid recurrent canal 13, defeated steam pipe 15 outward outward, cryogenic liquid recurrent canal 13 places are provided with check valve and circulating pump 20, in addition, also has a heat exchanger 19 in the present embodiment in the heat accumulation energy storage tank 5, heat exchanger 19 also is provided with the defeated pipe 12 of high-temp liquid, cryogenic liquid recurrent canal 13 outward, and heat exchanger 19 is positioned at the top of radiator 3, can improve the radiating efficiency of radiator 3 so better.This remotely transferring and storing geothermal energy device can be divided into three sections from top to bottom, heat absorption evaporimeter 1 residing part is the heat absorption evaporating region, geothermal well has been put into heat transfer charges 10 at this section, heat-transfer pipe 2 residing parts are adiabatic section, and heat accumulation energy storage tank 5 and radiator 3 residing parts are exothermic zone.
After heat absorption evaporimeter 1 absorbs underground heat, the cryogenic media carburation by evaporation, steam flows to radiator 3 under small pressure reduction, and emit heat at radiator 3 and condense and become liquid, condensate liquid is back to heat absorption evaporimeter 1 downwards at self gravitation effect lower edge heat-transfer pipe 2 tube walls, so circulation endlessly, heat just is sent on the ground by underground, a large amount of heats can realize that remote the conveying need not additionaling power by very little cross-sectional area, again because there is the insulation of vacuum heat-preserving tube 6 adiabatic section, thermal loss was very little when underground heat energy was passed on the ground, can utilize geothermal energy fully, cryogenic liquid in the heat accumulation energy storage tank 5 is vaporized or heated and be used, thereby easily geothermal energy is conducted on the ground, use as required.
Embodiment 2:
The present embodiment method is identical with embodiment 1, omits.
Fig. 2 is the apparatus structure schematic diagram of the embodiment of the invention 2, as shown in the figure, the device difference of this device and embodiment 1 is, heat accumulation energy storage tank 5 is placed under the face of land, heat exchanger 19 is wrapped on the radiator 3, can improve heat transfer efficiency like this, more heat is passed by heat exchanger 19.
Embodiment 3:
The present embodiment method is identical with embodiment 1, omits.
Fig. 3 is the apparatus structure schematic diagram of the embodiment of the invention 3, as shown in the figure, the device difference of this device and embodiment 1 is, radiator 3 is the U type, and heat exchanger 19 is not set in the heat accumulation energy storage tank 5.
Embodiment 4:
The present embodiment method is identical with embodiment 1, omits.
Fig. 4 is the apparatus structure schematic diagram of the embodiment of the invention 4, as shown in the figure, the device difference of this device and embodiment 1 is, radiator 3 is a square, downward-sloping being placed in the heat accumulation energy storage tank 5 also is connected with condensing reflux pipe 7 between the bottom of heat absorption evaporimeter 1 and radiator 3, and condensing reflux pipe 7 inserts in the radiator 3, check valve 8 is installed in the bottom of condensing reflux pipe 7, can flow back to heat absorption evaporimeter 1 by check valve 8 condensate liquids.Heat exchanger 19 is not set in the heat accumulation energy storage tank 5.
Embodiment 5:
The present embodiment method is identical with embodiment 1, omits.
Fig. 5 is the apparatus structure schematic diagram of the embodiment of the invention 5, as shown in the figure, the device difference of this device and embodiment 1 is, radiator 3 is round, heat absorption evaporimeter 1 is connected with the sleeve pipe that heat-transfer pipe 2 constitutes by condensing reflux pipe 7 with radiator 3, condensing reflux pipe 7 is enclosed within outside the heat-transfer pipe 2, and check valve 8 is installed in the annular space of the two bottom, and heat-transfer pipe 2 inserts in the radiator 3.Heat exchanger 19 is not set in the heat accumulation energy storage tank 5.
Embodiment 6:
The present embodiment method is identical with embodiment 1, omits.
Fig. 6 is the apparatus structure schematic diagram of the embodiment of the invention 6, as shown in the figure, the device difference of this device and embodiment 1 is, heat absorption evaporimeter 1 is the U type, radiator 3 is formed by connecting vertical tube side by side between two horizontal tubes, also be connected with condensing reflux pipe 7 between the bottom of heat absorption evaporimeter 1 and radiator 3, condensing reflux pipe 7 connects as one with heat absorption evaporimeter 1, and check valve 8 is installed in the junction of the two.Heat exchanger 19 is not set in the heat accumulation energy storage tank 5.
Embodiment 7:
The present embodiment method is identical with embodiment 1, omits.
Fig. 7 is the apparatus structure schematic diagram of the embodiment of the invention 7, as shown in the figure, the device difference of this device and embodiment 1 is, heat absorption evaporimeter 1 is the U type, and wherein a side pipe is a screw-shaped, and radiator 3 also is a screw-shaped, also be connected with condensing reflux pipe 7 between the bottom of heat absorption evaporimeter 1 and radiator 3, condensing reflux pipe 7 connects as one with heat absorption evaporimeter 1, and check valve 8 is installed in the junction of the two, can flow back to heat absorption evaporimeter 1 by check valve 8 condensate liquids.Heat exchanger 19 is not set in the heat accumulation energy storage tank 5.
Embodiment 8:
Fig. 8 is the structural representation that the inventive method is used, as shown in the figure, this method is applied to the pushing turbine generating, in order to improve steam generating amount, with the use in parallel of each device, heat accumulation energy storage tank 5 as a covering device is wherein installed on the ground, the heat accumulation energy storage tank 5 of a covering device that is adjacent is installed in subsurface, the steam of the two all imports in the energy storage steamdrum 14, the method of quadruplet device and their use remotely transferring and storing geothermal energies is different in addition, this quadruplet device has been cancelled radiator 3 and heat accumulation energy storage tank 5, they are by heat absorption evaporimeter 1, heat-transfer pipe 2, energy storage steamdrum 14, condensing reflux pipe 7 constitutes, heat-transfer pipe 2 is directly connected to energy storage steamdrum 14, the condensation liquid back pipe 7 that is connected with other low-temperature receiver is connected to heat absorption evaporimeter 1, the method of this remotely transferring and storing geothermal energy is: heat absorption evaporimeter 1 absorbs in the high temperature rock slurry in earth deep behind the huge heat energy, with the liquid working substance vaporization in the heat absorption evaporimeter 1, and generation steam, make latent heat steam pass to energy storage steamdrum 14 continually by the heat-transfer pipe 2 in the adiabatic section vacuum heat-preserving tube 6 again; Owing to compiled a large amount of steam in the energy storage steamdrum 14, in order to utilize steam, energy storage steamdrum 14 is coupled together with steam turbine 16 by outer defeated steam pipe 15, with these steam pushing turbine 16 generatings, after becoming liquid, the steam acting enters cooling tower 18, cooled liquid can enter heat accumulation energy storage tank 5 or heat absorption evaporimeter 1 again through liquid back pipe 17, and circulation and so forth utilizes geothermal energy energy storage method generating provided by the invention.In addition, the cooler in the cooling tower 18 also can be imbedded underground or put into rivers,lakes and seas and dispel the heat, and the geothermal well among the present invention also can utilize idle abandoned well, the oil gas well below 2000 meters.
Claims (9)
1. the method for a remotely transferring and storing geothermal energy, it is characterized in that: the method for this remotely transferring and storing geothermal energy, the heat absorption evaporimeter (1) of gravity vacuum heat pipe heat transfer device absorbs in the high temperature rock slurry in earth deep behind the huge heat energy, to absorb heat liquid working substance vaporization in the evaporimeter (1), and generation steam, latent heat steam is passed to continually be placed in radiator (3) in the heat release section in the heat accumulation energy storage tank (5) by the heat-transfer pipe (2) in the adiabatic section vacuum heat-preserving tube (6) again, by radiator (3) wall the latent heat of vaporization is passed to cryogenic liquid in the heat accumulation energy storage tank (5) endlessly, finish thermal energy exchange; Liquid in the heat accumulation energy storage tank (5) is controlled at all the time the temperature that is lower than from geothermal energy down-hole steam temperature value, steam is met and to be become liquid again after cold like this, under the effect of gravity, make liquid be back to the evaporation recirculation of absorbing heat in the down-hole heat absorption evaporimeter (1) again along heat-transfer pipe (2) tube wall or condensing reflux pipe (7), because gravity vacuum heat pipe heat transfer device inside is vacuum environment, evaporative condenser can be realized circulation at a high speed in diabatic process, that goes round and begins again like this just can pass to a large amount of geothermal energies in the liquid working substance or water of heat accumulation energy storage tank (5) lining on ground endlessly, utilizes again.
2. the method for a remotely transferring and storing geothermal energy, it is characterized in that: the method for this remotely transferring and storing geothermal energy, the heat absorption evaporimeter (1) of gravity vacuum heat pipe heat transfer device absorbs in the high temperature rock slurry in earth deep behind the huge heat energy, to absorb heat liquid working substance vaporization in the evaporimeter (1), and generation steam, by the heat-transfer pipe (2) in the adiabatic section vacuum heat-preserving tube (6), latent heat steam is passed to energy storage steamdrum (14) continuously utilize again again.
3. remotely transferring and storing geothermal energy device, it is characterized in that: it comprises geothermal well (4), gravity vacuum heat pipe heat transfer device, heat accumulation energy storage tank (5), the heat absorption evaporimeter (1) of gravity vacuum heat pipe heat transfer device is inserted in the deep geothermal heat well (4), and the radiator of gravity vacuum heat pipe heat transfer device (3) inserts in the heat accumulation energy storage tank (5) on ground; The gravity vacuum heat pipe heat transfer device is the vacuum tightness circulatory system that is made of heat absorption evaporimeter (1), heat-transfer pipe (2), radiator (3), low boiling point working medium or water are housed in it, heat absorption evaporimeter (1) is in the lower end, radiator (3) is in the upper end, the centre is heat-transfer pipe (2), and heat-transfer pipe (2) places in the vacuum heat-preserving tube (6).
4. remotely transferring and storing geothermal energy device according to claim 3 is characterized in that: described heat absorption evaporimeter (1), heat-transfer pipe (2), radiator (3) directly are communicated with successively.
5. remotely transferring and storing geothermal energy device according to claim 3, it is characterized in that: described heat absorption evaporimeter (1) is connected with the sleeve pipe that heat-transfer pipe (2) constitutes by condensing reflux pipe (7) with radiator (3), condensing reflux pipe (7) is enclosed within outside the heat-transfer pipe (2), check valve (8) is installed in the annular space of the two bottom, and heat-transfer pipe (2) inserts in the radiator (3).
6. remotely transferring and storing geothermal energy device according to claim 3, it is characterized in that: described heat absorption evaporimeter (1), heat-transfer pipe (2), radiator (3) directly are communicated with successively, also be connected with condensing reflux pipe (7) between heat absorption evaporimeter (1) and the radiator (3), check valve (8) is installed in the bottom of condensing reflux pipe (7).
7. remotely transferring and storing geothermal energy device according to claim 3 is characterized in that: some apertures (21) have been designed at bottom and the corresponding position of heat absorption evaporimeter (1) at described geothermal well (4) sleeve pipe.
8. the method for claim 1 or 2 described remotely transferring and storing geothermal energies, it is characterized in that: this method is used to steam turbine that steam is provided, pushing turbine generating, electricity are used for electric smelting, brine electrolysis, cathode copper, electrolytic aluminium, electrolytic zinc, battery charging plant, oil field oil recovery.
9. the method for claim 1 or 2 described remotely transferring and storing geothermal energies, it is characterized in that: this method is used to bathing or heating that hot water is provided.
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| CN200910073118A CN101696829A (en) | 2009-10-30 | 2009-10-30 | Method for remotely transferring and storing geothermal energy, device and application thereof |
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| CN200910073118A CN101696829A (en) | 2009-10-30 | 2009-10-30 | Method for remotely transferring and storing geothermal energy, device and application thereof |
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| CN101892964A (en) * | 2010-07-30 | 2010-11-24 | 龚智勇 | Cycling hot-dry-rock generating method and device by using gravity vacuum auxiliary heat pipe in myriameter single-deep-well |
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Application publication date: 20100421 |