CN113865127B - Industrial and agricultural comprehensive utilization system for deep geothermal energy - Google Patents
Industrial and agricultural comprehensive utilization system for deep geothermal energy Download PDFInfo
- Publication number
- CN113865127B CN113865127B CN202111204526.8A CN202111204526A CN113865127B CN 113865127 B CN113865127 B CN 113865127B CN 202111204526 A CN202111204526 A CN 202111204526A CN 113865127 B CN113865127 B CN 113865127B
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- China
- Prior art keywords
- deep geothermal
- heat exchange
- agricultural
- comprehensive utilization
- geothermal energy
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 239000007788 liquid Substances 0.000 claims abstract description 40
- 238000003756 stirring Methods 0.000 claims abstract description 32
- 238000000605 extraction Methods 0.000 claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 17
- 239000003814 drug Substances 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 239000012535 impurity Substances 0.000 claims abstract description 6
- 230000007246 mechanism Effects 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 230000001502 supplementing effect Effects 0.000 claims description 4
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000013013 elastic material Substances 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 244000144972 livestock Species 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
- F24T10/10—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
- F24T10/13—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground using tube assemblies suitable for insertion into boreholes in the ground, e.g. geothermal probes
- F24T10/17—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground using tube assemblies suitable for insertion into boreholes in the ground, e.g. geothermal probes using tubes closed at one end, i.e. return-type tubes
-
- 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
Abstract
The invention discloses a deep geothermal energy industrial and agricultural comprehensive utilization system, which comprises: the extraction well is used for extracting hot water in the deep geothermal layer; the heat exchange pipe is arranged in the extraction well, and the internal liquid is sent to the electromagnetic heater for continuous heating after heat exchange so as to provide high-pressure steam for the industrial steam system; hot water extracted through the extraction well flows back to the deep geothermal layer through the backflow well or is sent to the filtering component; the filtering component can filter impurities in the hot water, then the medicament is added, and the filtered impurities are stirred by the stirring component and then sent to the agricultural water system.
Description
Technical Field
The invention relates to the technical field of geothermal energy utilization systems, in particular to a deep geothermal energy industrial and agricultural comprehensive utilization system.
Background
The deep geothermal energy resource is renewable resource, can be recycled, is single in existing utilization of the deep geothermal energy, is often only used for heating industrial water, and forms high-temperature and high-pressure industrial steam through an external heater, so that the overall utilization efficiency is general.
Therefore, it is necessary to provide a deep geothermal energy industrial and agricultural comprehensive utilization system to solve the above-mentioned problems.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides the following technical solutions: deep geothermal energy industry and agriculture comprehensive utilization system includes:
the extraction well is used for extracting hot water in the deep geothermal layer;
the heat exchange pipe is arranged in the extraction well, and the internal liquid is sent to the electromagnetic heater for continuous heating after heat exchange so as to provide high-pressure steam for the industrial steam system;
hot water extracted through the extraction well flows back to the deep geothermal layer through the backflow well or is sent to the filtering component;
the filtering component can filter impurities in the hot water, then the medicament is added, and the filtered impurities are stirred by the stirring component and then sent to the agricultural water system.
Further, preferably, the heat exchange tube has a serpentine structure, one end of the heat exchange tube is connected with a liquid supply tube, and the other end of the heat exchange tube is communicated with the electromagnetic heater through a liquid outlet tube;
the top of the extraction well is communicated with a diversion bin by a return pipe, the bottom of the diversion bin is communicated with the return well, and the top of the diversion bin is communicated with a water supplementing pump;
one side of the shunt bin is communicated with the water inlet end of the filtering component by adopting a shunt tube.
Further, preferably, a water suction pump is arranged at the bottom of the extraction well and used for conveying hot water in the deep geothermal layer upwards, and a pressure sensor is further arranged at the bottom of the extraction well.
Further, preferably, the filter assembly includes:
an inner cylinder;
the outer cylinder is fixedly sleeved outside the inner cylinder; and
two filter screens symmetrically embedded in the inner cylinder;
an oscillating filter screen capable of carrying out oscillating filtration is further arranged between the two filter screens.
Further, as the preference, the inner tube is the heat conduction material, the urceolus adopts the heat preservation material, and its with be provided with temperature sensor and temperature controller between the inner tube, just the temperature controller can be according to temperature sensor's temperature feedback carries out auxiliary heating or supplementary cooling.
Further, preferably, the oscillating filter screen includes:
two net seats arranged in the inner cylinder in a sliding manner; and
the oscillating net body is connected between the two net seats;
the outer circumference of the net seat is made of magnetic materials and is driven by an external magnetic driving mechanism.
Further, preferably, the oscillating mesh body is made of elastic material, and comprises a horizontal mesh and a vertical mesh which are arranged in a crossing manner; the filter screen bodies are embedded in the horizontal grid and the vertical grid.
Further, preferably, the external magnetic driving mechanism is two symmetrically arranged, and the external magnetic driving mechanism comprises:
the screw rod is rotatably arranged on an installation arc plate, and the installation arc plate is installed outside the outer cylinder;
the first nut seat is connected to the lead screw in a transmission way and is arranged on the installation arc plate in a limiting sliding way;
the second nut seat is connected to the lead screw in a transmission way and is arranged on the installation arc plate in a limiting sliding way; and
the arc-shaped driving magnets are arranged on the first screw seat and the second screw seat;
and the internal threads of the first screw seat and the second screw seat are opposite in rotation direction.
Further, preferably, the stirring assembly includes:
the stirring barrel is fixedly communicated with the liquid outlet end of the filtering component;
the rotor is rotationally arranged in the stirring barrel, and a stator corresponding to the rotor is arranged on the inner wall of the stirring barrel; and
a stirring blade coaxially fixed below the rotor;
and the rotor is driven by a synchronous drive mechanism and is capable of drawing down liquid upward as the rotor rotates.
Further, preferably, the synchronous drive mechanism includes:
two bevel gears which are vertically meshed, wherein one bevel gear is coaxially connected with the rotor, the other bevel gear is coaxially fixed on a driving gear, and the driving gear is driven by an external motor;
the hinge rod is hinged to the driving gear at one end and hinged to the sliding rod at the other end;
the liquid supply cylinder is used for being connected with the sliding rod in a sliding way, and a plug body is arranged on the part of the sliding rod, which is positioned on the liquid supply cylinder;
one end of the liquid supply cylinder, which is far away from the sliding rod, is provided with two connectors, one connector is used for being connected with an agricultural water system, and the other connector is connected with a liquid outlet of the stirring barrel.
Compared with the prior art, the invention provides a deep geothermal energy industrial and agricultural comprehensive utilization system, which has the following beneficial effects:
in the embodiment of the invention, hot water in the heat exchange tube can be initially heated by hot water in the deep geothermal layer, so that high-temperature liquid is provided for the electromagnetic heater, then warm water formed after heat exchange can be continuously used for providing a water source for an agricultural water system, or hot water in the heat exchange tube is initially heated by hot water in the deep geothermal layer, so that high-temperature liquid is provided for the electromagnetic heater, and then the warm water formed after heat exchange is returned to the deep geothermal layer, or water source is provided for the agricultural water system by hot water in the deep geothermal layer, so that the whole is flexible, and comprehensive utilization of deep geothermal energy can be realized;
in addition, in the embodiment of the invention, the cleanliness of water quality can be improved by carrying out multi-layer filtration, the follow-up livestock can drink conveniently, a pipe body can be connected in parallel on the shunt pipe, and the shunt pipe is directly connected with the stirring assembly through the pipe body, so that irrigation in agriculture is facilitated, the step of filtration is reduced, the occurrence of blocking condition can be reduced by utilizing the oscillating filter screen during filtration, and the liquid medicine and the water body can be fully mixed by utilizing the stirring assembly.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a deep geothermal energy industrial and agricultural comprehensive utilization system;
FIG. 2 is a schematic diagram of the structure of the stirring assembly and heat exchange tubes in the deep geothermal energy industrial and agricultural comprehensive utilization system;
FIG. 3 is a schematic diagram of the structure of a filter assembly in a deep geothermal energy industrial and agricultural integrated utilization system;
in the figure: 1. extracting well; 2. a heat exchange tube; 3. an electromagnetic heater; 4. an industrial steam system; 5. a return well; 6. a filter assembly; 7. a stirring assembly; 8. an agricultural water system; 9. a deep geothermal layer; 10. a diversion bin; 11. a water supplementing pump; 12. a shunt; 21. a liquid supply pipe; 22. a liquid outlet pipe; 23. a return pipe; 61. an inner cylinder; 62. an outer cylinder; 63. a filter screen; 64. a net seat; 65. oscillating the net body; 66. a screw rod; 67. a first nut seat; 68. a second nut seat; 71. a stirring barrel; 72. a rotor; 73. stirring the leaves; 74. a drive gear; 75. a hinge rod; 76. a slide bar; 77. a liquid supply cylinder.
Description of the embodiments
Referring to fig. 1 to 3, the present invention provides a deep geothermal energy industrial and agricultural comprehensive utilization system, comprising:
the extraction well 1 is used for extracting hot water in the deep geothermal layer 9;
a heat exchange tube 2 which is placed in the extraction well 1, and sends the internal liquid to an electromagnetic heater 3 for continuous heating after heat exchange so as to provide high-pressure steam for an industrial steam system 4;
the hot water extracted by the extraction well 1 flows back to the deep geothermal layer 9 or is sent to the filter component 6 through the backflow well 5;
the filtering component 6 can filter impurities in the hot water, then add the medicament, and send the medicament to the agricultural water system 8 after being stirred by the stirring component 7.
That is, in this embodiment, the hot water in the heat exchange tube 2 may be primarily heated by the hot water in the deep geothermal layer, so as to provide the electromagnetic heater with high-temperature liquid, and then the hot water formed after heat exchange may be continuously used to provide the agricultural water system with water source, or only the hot water in the deep geothermal layer may be utilized to primarily heat the hot water in the heat exchange tube 2, so as to provide the electromagnetic heater with high-temperature liquid, and then the hot water formed after heat exchange may be returned to the deep geothermal layer, or only the hot water in the deep geothermal layer may be utilized to provide the agricultural water system with water source.
In this embodiment, the heat exchange tube 2 has a serpentine structure, one end of which is connected with a liquid supply tube 21, and the other end of which is communicated with the electromagnetic heater 3 through a liquid outlet tube 22;
the top of the extraction well 1 is also communicated with a diversion bin 10 by adopting a return pipe 23, the bottom of the diversion bin 10 is communicated with a return well 5, and the top of the diversion bin 10 is communicated with a water supplementing pump 11;
one side of the diversion bin 10 is communicated with the water inlet end of the filtering component 6 by adopting a diversion pipe 12.
In this embodiment, a water suction pump is disposed at the bottom of the extraction well 1, and is used for transporting hot water in the deep geothermal layer 9 upwards, and a pressure sensor is further disposed at the bottom of the extraction well 1, so as to monitor the water pressure change, so as to supplement water subsequently, and balance the water.
As shown in fig. 3, the filter assembly 6 includes:
an inner cylinder 61;
an outer cylinder 62 fixedly fitted to the outside of the inner cylinder 61; and
two filter screens 63 symmetrically embedded in the inner cylinder 61;
still be provided with between two filter screen 63 can carry out oscillation filter's vibration filter screen, can improve the cleanliness of quality of water through carrying out multilayer filtration, be convenient for follow-up livestock drink, preferably also can connect a body in parallel on shunt tubes 12 to link to each other with stirring subassembly through the body is direct, so that irrigate in the agriculture, reduce filterable step.
As a preferred embodiment, the inner cylinder 61 is made of a heat conducting material, the outer cylinder 62 is made of a heat insulating material, a temperature sensor and a temperature controller are arranged between the outer cylinder and the inner cylinder 61, and the temperature controller can perform auxiliary heating or auxiliary cooling according to temperature feedback of the temperature sensor.
In this embodiment, the oscillating filter screen includes:
two net seats 64 slidably disposed in the inner cylinder 61; and
an oscillating mesh 65 connected between two said mesh seats 64;
the outer circumference of the mesh seat 64 is made of magnetic material and is driven by an external magnetic driving mechanism.
In addition, the oscillating net body is made of elastic materials and comprises a horizontal grid and a vertical grid which are arranged in a crossing manner; the filter screen bodies are embedded in the horizontal grid and the vertical grid.
Further, the external magnetic driving mechanism is two symmetrically arranged, and the external magnetic driving mechanism comprises:
a screw 66 rotatably provided on a mounting arc plate mounted to the outside of the outer cylinder 62;
the first nut seat 67 is in transmission connection with the screw rod 66 and is arranged on the installation arc plate in a limiting sliding manner;
the second nut seat 68 is in transmission connection with the screw rod 66 and is arranged on the installation arc plate in a limiting sliding manner; and
a plurality of arc-shaped driving magnets mounted on the first screw seat 67 and the second screw seat 68;
and the internal threads of the first screw seat 67 and the second screw seat are opposite in rotation direction.
When the vibration net body stretching device is used, the two net seats can be driven to move in opposite directions by utilizing magnetic force through forward and reverse movement of the lead screw, so that stretching of the vibration net body is realized, and then resetting is carried out, and the vibration net body carries out micro-vibration under the action of self elasticity.
In this embodiment, as shown in fig. 2, the stirring assembly 7 includes:
a stirring barrel 71 fixedly connected to the liquid outlet end of the filter assembly 6;
a rotor 72 rotatably provided inside the stirring tub 71, and a stator corresponding to the rotor is provided on an inner wall of the stirring tub 71; and
a stirring blade 73 coaxially fixed below the rotor 72;
and the rotor is driven by the synchronous driving mechanism, and when the rotor rotates, the rotor can suck the liquid below upwards, so that the liquid inlet speed is improved in the stirring process, and a certain stirring effect can be realized by the rotation of the rotor, and when the rotor is implemented, corresponding liquid medicine can be added into the inner cylinder 61 according to actual conditions, such as the type of livestock to be fed, the type of crops to be planted, the quality of hot water in a deep geothermal layer and the like.
In this embodiment, the synchronous driving mechanism includes:
two bevel gears engaged vertically, one of which is coaxially connected with the rotor 72, and the other of which is coaxially fixed on the driving gear 74, the driving gear 74 being driven by an external motor;
a hinge lever 75 having one end hinged to the driving gear 74 and the other end hinged to a slide bar 76;
a liquid supply cylinder 77, which is used for sliding connection with the sliding rod 76, and the part of the sliding rod 76 located in the liquid supply cylinder 77 is provided with a plug body;
one end of the liquid supply cylinder 77, which is far away from the sliding rod 76, is provided with two connectors, one of which is used for being connected with an agricultural water system, and the other connector is connected with a liquid outlet of the stirring barrel 71.
In specific implementation, the water in the deep geothermal layer 9 is transported upwards by the water suction pump at the bottom of the extraction well 1 so as to primarily heat the water in the heat exchange tube 2, thereby providing high-temperature liquid for the electromagnetic heater, and then the water source can be continuously provided for the agricultural water system by using the warm water formed after heat exchange, or the water in the heat exchange tube 2 is primarily heated by using the hot water in the deep geothermal layer, thereby providing high-temperature liquid for the electromagnetic heater, and then the warm water formed after heat exchange is returned to the deep geothermal layer through the backflow well 5, or the water source is provided for the agricultural water system by using the hot water in the deep geothermal layer.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (7)
1. Deep geothermal energy industry and agriculture comprehensive utilization system, its characterized in that: comprising the following steps:
the extraction well (1) is used for extracting hot water in the deep geothermal layer (9);
the heat exchange tube (2) is arranged in the extraction well (1) and is used for sending the internal liquid of the heat exchange tube to the electromagnetic heater (3) for continuous heating after heat exchange so as to provide high-pressure steam for the industrial steam system (4);
hot water extracted by the extraction well (1) flows back to the deep geothermal layer (9) or is sent to the filter component (6) through the backflow well (5);
the filtering component (6) can filter impurities in hot water, then add the medicament, and send the medicament to the agricultural water system (8) after stirring by the stirring component (7);
the filter assembly (6) comprises:
an inner cylinder (61);
an outer cylinder (62) fixedly sleeved outside the inner cylinder (61); and
two filter screens (63) symmetrically embedded in the inner cylinder (61);
an oscillating filter screen capable of carrying out oscillating filtration is also arranged between the two filter screens (63);
the oscillating filter screen includes:
two net seats (64) arranged in the inner cylinder (61) in a sliding manner; and
an oscillating net body (65) connected between two said net seats (64);
wherein the outer circumference of the net seat (64) is made of magnetic materials and is driven by an external magnetic driving mechanism;
the external magnetic driving mechanism is two symmetrically arranged, and the external magnetic driving mechanism comprises:
a screw (66) rotatably provided on a mounting arc plate mounted on the outside of the outer cylinder (62);
the first nut seat (67) is connected to the lead screw (66) in a transmission way, and is arranged on the installation arc plate in a limiting sliding way;
the second screw seat (68) is connected to the screw rod (66) in a transmission way, and is arranged on the installation arc plate in a limiting sliding way; and
a plurality of arc-shaped driving magnets which are arranged on the first screw seat (67) and the second screw seat (68);
and the internal threads of the first screw seat (67) and the second screw seat are opposite in rotation direction.
2. The deep geothermal energy industrial and agricultural comprehensive utilization system according to claim 1, wherein: the heat exchange tube (2) is of a serpentine structure, one end of the heat exchange tube is connected with a liquid supply tube (21), and the other end of the heat exchange tube is communicated with the electromagnetic heater (3) through a liquid outlet tube (22);
the top of the extraction well (1) is also communicated with a diversion bin (10) by a return pipe (23), the bottom of the diversion bin (10) is communicated with a return well (5), and the top of the diversion bin (10) is communicated with a water supplementing pump (11);
one side of the shunt bin (10) is communicated with the water inlet end of the filtering component (6) by adopting a shunt tube (12).
3. The deep geothermal energy industrial and agricultural comprehensive utilization system according to claim 2, wherein: the bottom of the extraction well (1) is provided with a water suction pump for transporting hot water in the deep geothermal layer (9) upwards, and the bottom of the extraction well (1) is also provided with a pressure sensor.
4. The deep geothermal energy industrial and agricultural comprehensive utilization system according to claim 1, wherein: the inner cylinder (61) is made of heat conducting materials, the outer cylinder (62) is made of heat insulating materials, a temperature sensor and a temperature controller are arranged between the outer cylinder and the inner cylinder (61), and the temperature controller can perform auxiliary heating or auxiliary cooling according to temperature feedback of the temperature sensor.
5. The deep geothermal energy industrial and agricultural comprehensive utilization system according to claim 1, wherein: the oscillating net body is made of elastic materials and comprises a horizontal grid and a vertical grid which are arranged in a crossing manner; the filter screen bodies are embedded in the horizontal grid and the vertical grid.
6. The deep geothermal energy industrial and agricultural comprehensive utilization system according to claim 1, wherein: the stirring assembly (7) comprises:
a stirring barrel (71) fixedly communicated with the liquid outlet end of the filtering component (6);
a rotor (72) rotatably provided inside the stirring tank (71), wherein a stator corresponding to the rotor is provided on the inner wall of the stirring tank (71); and
a stirring blade (73) coaxially fixed below the rotor (72);
and the rotor is driven by a synchronous drive mechanism and is capable of drawing down liquid upward as the rotor rotates.
7. The deep geothermal energy industrial and agricultural comprehensive utilization system according to claim 6, wherein: the synchronous drive mechanism includes:
two bevel gears which are vertically meshed, wherein one bevel gear is coaxially connected with a rotor (72), the other bevel gear is coaxially fixed on a driving gear (74), and the driving gear (74) is driven by an external motor;
a hinge lever (75) having one end hinged to the drive gear (74) and the other end hinged to a slide bar (76);
a liquid supply cylinder (77) which is used for being connected with the sliding rod (76) in a sliding way, and the part of the sliding rod (76) which is positioned on the liquid supply cylinder (77) is provided with a plug body;
one end of the liquid supply cylinder (77) far away from the sliding rod (76) is provided with two connectors, one connector is used for being connected with an agricultural water system, and the other connector is connected with a liquid outlet of the stirring barrel (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111204526.8A CN113865127B (en) | 2021-10-15 | 2021-10-15 | Industrial and agricultural comprehensive utilization system for deep geothermal energy |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111204526.8A CN113865127B (en) | 2021-10-15 | 2021-10-15 | Industrial and agricultural comprehensive utilization system for deep geothermal energy |
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| CN113865127A CN113865127A (en) | 2021-12-31 |
| CN113865127B true CN113865127B (en) | 2024-03-26 |
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| ITUA20164379A1 (en) * | 2016-06-15 | 2017-12-15 | Aurelio Pucci | GEOTHERMAL WELL TO COMMUNICATING VASES. |
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| CN108302832A (en) * | 2016-09-14 | 2018-07-20 | 陕西鑫能环境科技股份有限公司 | A kind of novel terrestrial energy well and its application |
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| CN113865127A (en) | 2021-12-31 |
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