CN110567073A - Geothermal energy utilization system based on landscape water - Google Patents
Geothermal energy utilization system based on landscape water Download PDFInfo
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- CN110567073A CN110567073A CN201910816055.2A CN201910816055A CN110567073A CN 110567073 A CN110567073 A CN 110567073A CN 201910816055 A CN201910816055 A CN 201910816055A CN 110567073 A CN110567073 A CN 110567073A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 106
- 239000007788 liquid Substances 0.000 claims abstract description 52
- 238000001914 filtration Methods 0.000 claims abstract description 35
- 238000007689 inspection Methods 0.000 claims abstract description 12
- 239000000872 buffer Substances 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims abstract description 11
- 238000012546 transfer Methods 0.000 claims description 27
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 8
- 230000005484 gravity Effects 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 description 10
- 239000012535 impurity Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000012857 radioactive material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003809 water extraction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
- F24T10/20—Geothermal collectors using underground water as working fluid; using working fluid injected directly into the ground, e.g. using injection wells and recovery wells
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/40—Geothermal heat-pumps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Hydrology & Water Resources (AREA)
- Sustainable Energy (AREA)
- Filtration Of Liquid (AREA)
Abstract
the invention discloses a geothermal energy utilization system based on landscape water, which comprises a heat exchange well and an inspection well, wherein an installation cover is erected on the heat exchange well, a heat exchange mechanism is arranged on the bottom surface of the installation cover, the heat exchange mechanism comprises a heat exchange barrel and a buffer arranged in the heat exchange barrel, heat exchange liquid is filled in the heat exchange barrel, a filtering mechanism used for removing silt in water is arranged in the inspection well, a water inlet pipe is arranged between the filtering mechanism and the heat exchange well, a drainage machine is arranged in the inspection well, and the water inlet end of the drainage machine is connected with the upper part of the heat exchange well through a drainage pipe. The landscape water heat exchange well has a novel structure, the landscape water in the heat exchange well flows and is replaced by using the water body pressure of the landscape water and a small amount of electric power, the consumed energy is less, and the liquid for exchanging heat with the outside is not water any more but the heat exchange liquid with lower density, so that the consumed energy is obviously reduced when the gravity is resisted in the circulation process of the heat exchange liquid, and the heat exchange efficiency is correspondingly increased.
Description
Technical Field
The invention relates to the technical field of geothermal utilization equipment, in particular to a geothermal energy utilization system based on landscape water.
Background
Geothermal energy is mostly renewable energy from the deep earth, which results from the decay of the earth's molten magma and radioactive materials, and a small portion of energy from the sun, accounting for approximately 5% of the total geothermal energy, and landscape water refers to a body of water used for visual appreciation, and is generally divided into two categories: one is a natural waterscape like a natural lake, river, etc.; in recent years, people try to apply research on geothermal energy utilization to the landscape water so as to reduce the use of fossil energy, strengthen the protection of the ecological environment and build a green, harmonious and sustainable development society.
At present, geothermal power generation is the most important mode in geothermal utilization, and is followed by geothermal heating, although the development of geothermal utilization technology in China is very rapid, a geothermal energy utilization system based on landscape water is still scarce, and only a few simpler devices are provided, such as a landscape water geothermal utilization system based on horizontal buried pipes described in an authorized patent CN106403100A, the landscape water geothermal energy utilization is realized by the mutual cooperation of a heat exchange system, an indoor air conditioner terminal system and a heat pump system, although the heat exchange purpose can be achieved, the landscape water is extracted into a heat source well and then is shunted to a heat exchange device through a pipeline, the process of providing more kinetic energy for water is needed to enable the water to flow, in addition, the landscape water extraction process needs to be filtered to avoid blocking the pipeline, the existing filtering devices have complex structures and relatively high production cost, in order to solve the problems, a geothermal energy utilization system based on landscape water is provided.
Disclosure of Invention
the invention aims to solve the defects in the prior art and provides a geothermal energy utilization system based on landscape water.
In order to achieve the purpose, the invention adopts the following technical scheme:
the geothermal energy utilization system based on landscape water comprises a heat exchange well and an inspection well, wherein an installation cover is erected on the heat exchange well, a connecting rod is welded on the bottom surface of the installation cover, a heat exchange mechanism is arranged at the bottom end of the connecting rod, the heat exchange mechanism comprises a heat exchange barrel and a buffer arranged in the heat exchange barrel, and heat exchange liquid is filled in the heat exchange barrel;
The buffer comprises a connecting rod fixedly arranged on the top wall of the heat exchange barrel, two balancing frames are symmetrically welded on two sides of the connecting rod, a vent plate is arranged on the connecting rod and the two balancing frames in a sliding mode, a plurality of through holes are symmetrically formed in the vent plate, the diameter of the bottom end of each through hole is larger than that of the top end of each through hole, the cross section of each through hole is in an isosceles trapezoid shape, and the vent plate is connected with the inner wall of the heat exchange barrel in a sliding and sealing mode;
the inspection well is provided with a filtering mechanism for removing silt in water, an inlet tube is installed between the filtering mechanism and the heat exchange well, the inflow end of the filtering mechanism is connected with a straight tube through a flange, a coarse filter screen is installed in the straight tube through bolt fixing, a water discharging machine is installed in the inspection well, the inflow end of the water discharging machine is connected with the upper portion of the heat exchange well through a water discharging pipe, the water discharging end of the water discharging machine is connected with a backflow pipe, and the backflow pipe is provided with a one-way valve.
Preferably, filtering mechanism includes the filter tube, and the both ends level middle part uplift of filter tube, the symmetry is provided with first filter screen and second filter screen in the filter tube, and the mesh size of first filter screen is greater than the mesh size of second filter screen, install first holding tank and second holding tank on the filter tube, first holding tank is located the uplift end of filter tube and is close to the second filter screen, the second holding tank is located the horizontal end of filter tube and is close to first filter screen, the tank bottoms department of first holding tank and second holding tank all installs the closing cap.
Preferably, the heat exchange bucket is connected with heat pump mechanism through the connecting pipe, heat pump mechanism includes compressor, knockout, expansion valve and heat exchanger, the inlet end of compressor and the end intercommunication of giving vent to anger of knockout, the play liquid end of compressor is linked together with the heat exchange bucket through communicating pipe, the water delivery end and the communicating pipe of knockout are connected, the knockout has the heat exchanger through the second elbow connection, and second elbow intercommunication has first return bend, first elbow connection has force (forcing) pump and force (forcing) pump to link to each other with the heat transfer well through two water pipes, one of them the water pipe is located the upper end of buffer, the other the water pipe is located the lower extreme of buffer.
Preferably, the upper portion of installation lid is equipped with the hoist mechanism that is used for taking out heat transfer mechanism, hoist mechanism includes that hoisting frame and symmetry set up many stay cords on the installation lid, and the upper end of many stay cords is connected with the lantern ring jointly, fixed mounting has the receipts rope ware on the hoisting frame, receive on the rope ware around being equipped with the cable wire and being connected with the lantern ring through the cable wire, the welding has the motor on the hoisting frame, and the output shaft of motor links to each other with the pivot of receiving the rope ware.
Preferably, the density of the heat exchange liquid is less than the density of water.
The invention has the beneficial effects that:
1. Through set up the straight tube in the landscape water body, the liquid level in usable landscape water self makes the heat transfer well level with the surface of water mutually, need not utilize the water pump to draw water in the heat transfer well, and the drainage machine only need discharge the landscape water on heat transfer well upper portion in the landscape water body from the drain pipe, can make the rivers in the heat transfer well keep the mobile state always, compare in other ground heat utilization equipment, this device only needs rivers to circulate between heat transfer well and landscape water, has left out a lot of steps that promote lake water to the eminence, and in this circulation process, only need the drainage machine to take out a little partial water can, it is few to consume energy.
2. through setting up coarse filtration net, the filter tube, first filter screen, the second filter screen, first holding tank, devices such as second holding tank, the great magazine view coarse filtration net department of volume in the view aquatic is sieved off, in the filter tube, the tangential direction of filter tube is followed to the direction of rivers, consequently can upwards filter the back through first filter screen earlier, because the action of gravity, impurity deposits in the second holding tank, then during rivers downstream, impurity can deposit in the first holding tank, filter the foreign particles of different diameters step by step like this, can filter fully, can not cause the condition of mesh jam again.
3. through setting up the buffer that ventilative board, balancing stand are constituteed, when the view temperature in summer temperature is lower than the external world, heat-transfer liquid is located ventilative board below, carries out the heat transfer from the water pipe of ventilative board below and external heat source, when the view temperature in winter is higher than the external world, heat-transfer liquid is heated the evaporation, the evaporimeter flows to heat-transfer well upper portion from the through-hole on the ventilative board, from the water pipe and the external heat transfer of ventilative pipe top, can avoid the great liquid heat-transfer liquid of inhaling of top water pipe suction like this.
4. Lifting mechanism accessible motor, cable wire etc. device will change heat bucket and carry out the clearance from the heat transfer well, to changing heat bucket outer wall, avoid long-time back aquatic impurity or microorganism to adhere to in heat transfer bucket outer wall, influence the efficiency of heat transfer, and the design of overhaul well is convenient for to clearance, the change of first holding vessel and second holding vessel among the filter equipment, guarantees entire system normal operating.
in conclusion, the landscape water heat exchange well is novel in structure, the landscape water in the heat exchange well flows and is replaced by the water body pressure of the landscape water and a small amount of electric power, less energy is consumed, and the liquid for exchanging heat with the outside is not water any more but the heat exchange liquid with lower density, so that the energy consumed in the process of circulating the heat exchange liquid against gravity is obviously reduced, and the heat exchange efficiency is correspondingly increased.
Drawings
Fig. 1 is a schematic structural diagram of a geothermal energy utilization system based on landscape water according to the present invention;
FIG. 2 is a schematic structural diagram of a heat exchange well part in the landscape water-based geothermal energy utilization system;
FIG. 3 is a schematic structural diagram of a filtering mechanism in the geothermal energy utilization system based on landscape water according to the present invention;
FIG. 4 is a schematic structural view of a compressor part in the landscape water-based geothermal energy utilization system according to the present invention;
Fig. 5 is a schematic structural view of a ventilation plate in the landscape water-based geothermal energy utilization system.
In the figure: 1 return flow pipe, 2 check valves, 3 drainage machines, 4 drain pipes, 5 well lids, 6 stay cords, 7 lantern rings, 8 hoisting frames, 9 receipts rope ware, 10 cable wire, 11 motor, 12 installation lids, 13 force (forcing) pump, 14 first return bends, 15 heat exchangers, 16 second return bends, 17 compressors, 18 heat exchange buckets, 19 buffers, 1901 ventilative board, 1902 balancing stand, 20 inspection shaft, 21 inlet tube, 22 filter tube, 2201 first filter screen, 2202 second filter screen, 23 heat exchange well, 24 first collection tank, 25 second collection tank, 26 coarse filter screen, 27 straight pipes, 28 third return bends, 29 knockout, 30 expansion valves.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, the geothermal energy utilization system based on landscape water comprises a heat exchange well 23 and a maintenance well 20, wherein an installation cover 12 is erected on the heat exchange well 23, a connecting rod is welded on the bottom surface of the installation cover 12, a heat exchange mechanism is arranged at the bottom end of the connecting rod, the heat exchange mechanism comprises a heat exchange barrel 18 and a buffer 19 arranged inside the heat exchange barrel 18, and heat exchange liquid is filled in the heat exchange barrel 18;
The buffer 19 comprises a connecting rod fixedly installed on the top wall of the heat exchange barrel 18, two balance frames 1902 are symmetrically welded on two sides of the connecting rod, a vent plate 1901 is installed on the connecting rod and the two balance frames 1902 in a sliding mode together to ensure balance when the vent plate 1901 moves, a plurality of through holes are symmetrically formed in the vent plate 1901, the diameter of the bottom end of each through hole is larger than that of the top end of each through hole, the cross section of each through hole is in an isosceles trapezoid shape, when gas passes through the through holes, strong pressure cannot be formed on the bottom surfaces of the through holes, heat exchange liquid is prevented from being sucked above the vent plate 1901 by air pressure, and the vent plate 1901 is connected with the inner wall of the heat exchange barrel 18 in;
The inside of the inspection well 20 is provided with a filtering mechanism for removing sediment in water, a water inlet pipe 21 is installed between the filtering mechanism and the heat exchange well 23, the inflow end of the filtering mechanism is connected with a straight pipe 27 through a flange, a coarse filter screen 26 is fixedly installed in the straight pipe 27 through a bolt, a water discharging machine 3 is installed in the inspection well 20, the water inlet end of the water discharging machine 3 is connected with the upper part of the heat exchange well 23 through a water discharging pipe 4, the water discharging end of the water discharging machine 3 is connected with a backflow pipe 1, the backflow pipe 1 is provided with a check valve 2, water can be discharged only into a landscape water body, and water cannot be absorbed from the.
according to the invention, the filtering mechanism comprises a filtering pipe 22, the horizontal middle parts of two ends of the filtering pipe 22 are bulged, a first filtering net 2201 and a second filtering net 2202 are symmetrically arranged in the filtering pipe 22, the mesh size of the first filtering net 2201 is larger than that of the second filtering net 2202, a first collecting tank 24 and a second collecting tank 25 are arranged on the filtering pipe 22, the first collecting tank 24 is positioned at the bulged end of the filtering pipe 22 and close to the second filtering net 2202, the second collecting tank 25 is positioned at the horizontal end of the filtering pipe 22 and close to the first filtering net 2201, sealing covers are respectively arranged at the bottoms of the first collecting tank 24 and the second collecting tank 25, and silt in the collecting tanks can be easily cleaned through the disassembly of the sealing covers, so that the collecting tanks can be recycled.
In the invention, a heat pump mechanism is connected with a heat exchange barrel 18 through a connecting pipe, the heat pump mechanism comprises a compressor 17, a liquid separator 29, an expansion valve 30 and a heat exchanger 15, the air inlet end of the compressor 17 is communicated with the air outlet end of the liquid separator 29, the liquid outlet end of the compressor 17 is communicated with the heat exchange barrel 18 through a communicating pipe, the water delivery end of the liquid separator 29 is connected with the communicating pipe, the liquid separator 29 is connected with the heat exchanger 15 through a second bent pipe 16, the second bent pipe 16 is communicated with a first bent pipe 14, the first bent pipe 14 is connected with a booster pump 13, the booster pump 13 is connected with a heat exchange well 23 through two water pipes, one water pipe is positioned at the upper end of a buffer 19, and the other water pipe.
According to the invention, the lifting mechanism comprises a lifting frame 8 and a plurality of pull ropes 6 symmetrically arranged on a mounting cover 12, the upper ends of the pull ropes 6 are jointly connected with a lantern ring 7, a rope collector 9 is fixedly arranged on the lifting frame 8, a steel cable 10 is wound on the rope collector 9 and is connected with the lantern ring 7 through the steel cable 10, a motor 11 is welded on the lifting frame 8, the output shaft of the motor 11 is connected with the rotating shaft of the rope collector 9, and the rope collector 9 is driven to rotate through the motor, so that the heat exchange barrel 18 is lifted.
In the invention, the density of the heat exchange liquid is less than that of water, the mass of the heat exchange liquid is smaller with the same volume of the heat exchange liquid and the water, and the work consumed in the lifting process is less.
When the device is used, the straight pipe 27 is positioned at the downward position in the landscape water body, the liquid level in the heat exchange well 23 is automatically aligned with the liquid level of the water body under the pressure of the water body, the mesh sizes of the coarse filter screen 26, the first filter screen 2201 and the second filter screen 2202 are sequentially reduced, impurities with larger volume in water flow are filtered when landscape water passes through the coarse filter screen 26, when the water flow flows to the filter pipe 22, the filter pipe 22 is bent, so when the water flow flows upwards or downwards, the filtered impurities slowly sink under the action of gravity until the impurities are precipitated in the first collection tank 24 or the second collection tank 25, and the bent filter pipe 22 is more beneficial to the impurities to be precipitated at a specific position, namely the junction of the rising end and the horizontal end, namely the tank mouth of the collection tank;
It is worth to be noted that, in the flowing process of the water flow, the tank body of the collecting tank is also filled with water inevitably, but the water flow only has a slight disturbance effect on the water layer at the tank opening and cannot influence the impurities precipitated at the bottom of the tank body, so that the situation that the impurities flow back into the filter pipe 22 is avoided.
The drainage machine 3 only extracts the liquid level on the upper layer of the heat exchange well 23, and does not need to overcome great heavy energy, so the energy consumption is less, the landscape water returns to the water body through the return pipe 1, the water balance of the water body is ensured, and in the process, the liquid level in the heat exchange well 23 always tends to be flush with the liquid level of the water body, so the water in the water body continuously enters the heat exchange well 23 from the water inlet pipe 21, and the dynamic balance of the water in the heat exchange well 23 is realized.
The temperature of the bottom of the landscape water body is kept in a certain range throughout the year, the range of each region is different, but generally within 7-24 ℃, in summer, the ambient temperature can reach 32-45 ℃, if the temperature is reduced by only using an air conditioner, the temperature is required to be proper, a larger temperature difference is required to be spanned undoubtedly, so the power consumption of the air conditioner is higher, similarly, in winter, the ambient temperature can reach 10 ℃ or even below 0 ℃, and the heat pump still needs to do more work to enable the indoor temperature to reach a comfortable temperature, so the heat pump air conditioner can save much electric energy by using a water source with smaller temperature difference;
In summer, the temperature of the water body is generally within the range of 17-24 ℃ and is much lower than the outside air temperature, the low-temperature and low-pressure heat exchange liquid is conveyed to the heat exchanger 15 by the booster pump 13, the heat exchanger 15 is positioned indoors or in other places needing cooling, the temperature of the low-temperature and high-pressure heat exchange liquid is gradually increased after heat exchange by the heat exchanger 15, the low-temperature and high-pressure heat exchange liquid is changed into normal-temperature and low-pressure saturated steam of the heat exchange liquid, the normal-temperature and low-pressure saturated steam of the heat exchange liquid returns to the liquid separator 29 through the second bent pipe 16, gas and liquid in the liquid separator are separated, and the normal-temperature and low-pressure heat exchange liquid is changed into high-temperature and high-pressure liquid through the compressor 17, the high-;
If the water temperature is generally in the range of 7-12 ℃ in winter, the external temperature is generally below 5 ℃, the water temperature is much higher than the external temperature, the heat exchange liquid in the heat exchange barrel 18 also has higher temperature under the action of water flow, the heat of the high-temperature heat exchange liquid is reduced after the heat exchange with the heat exchanger 15 at the moment, the high-temperature heat exchange liquid is changed into low-temperature heat exchange liquid, the working principle of the low-temperature heat exchange liquid is the same as that of a summer heat pump mechanism, and the low-temperature heat exchange liquid is subjected to gas-liquid separation by the liquid separator 29, returns to the heat exchange barrel 18 and is heated by flowing.
After the device is used for a period of time, the rope collector 9 is driven to rotate through the motor, so that the heat exchange barrel 18 is moved out of the heat exchange well 23, the side wall of the heat exchange barrel 18 is cleaned, and the phenomenon that the adsorption of impurities reduces the heat transfer speed of the heat exchange barrel 18 is avoided.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. geothermal energy utilizes system based on landscape water, including heat transfer well (23) and inspection shaft (20), its characterized in that, heat transfer well (23) is put on the shelf and is equipped with installation lid (12), the bottom surface of installation lid (12) is equipped with heat transfer mechanism, heat transfer mechanism includes buffer (19) that heat transfer bucket (18) and heat transfer bucket (18) inside set up, heat transfer bucket (18) intussuseption is filled with the heat transfer liquid, be provided with the filtering mechanism who is used for detaching aquatic silt in inspection shaft (20), install inlet tube (21) between filtering mechanism and heat transfer well (23), install drainage machine (3) in inspection shaft (20), the end of intaking of drainage machine (3) is connected with the upper portion of heat transfer well (23) through drain pipe (4).
2. The geothermal energy utilization system based on landscape water according to claim 1, wherein the filtering mechanism comprises a filtering pipe (22), the two ends of the filtering pipe (22) are horizontally and centrally bulged, a first filter screen (2201) and a second filter screen (2202) are symmetrically arranged in the filtering pipe (22), a first collecting tank (24) and a second collecting tank (25) are mounted on the filtering pipe (22), the first collecting tank (24) is located at the bulged end of the filtering pipe (22) and close to the second filter screen (2202), and the second collecting tank (25) is located at the horizontal end of the filtering pipe (22) and close to the first filter screen (2201).
3. the geothermal energy utilization system based on landscape water according to claim 1, wherein the heat exchange barrel (18) is connected with a heat pump mechanism through a connecting pipe, the heat pump mechanism comprises a compressor (17), a liquid distributor (29), an expansion valve (30) and a heat exchanger (15), an air inlet end of the compressor (17) is communicated with an air outlet end of the liquid distributor (29), the liquid distributor (29) is connected with the heat exchanger (15) through a second elbow pipe (16), the second elbow pipe (16) is communicated with a first elbow pipe (14), and the first elbow pipe (14) is connected with a booster pump (13).
4. the geothermal energy utilization system based on landscape water as claimed in claim 1, wherein a lifting mechanism for taking out the heat exchange mechanism is arranged at the upper part of the mounting cover (12), the lifting mechanism comprises a lifting frame (8) and a plurality of pulling ropes (6) symmetrically arranged on the mounting cover (12), the upper ends of the pulling ropes (6) are connected with a lantern ring (7) together, a rope collector (9) is fixedly arranged on the lifting frame (8), and a steel cable (10) is wound on the rope collector (9) and connected with the lantern ring (7) through the steel cable (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910816055.2A CN110567073A (en) | 2019-08-30 | 2019-08-30 | Geothermal energy utilization system based on landscape water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910816055.2A CN110567073A (en) | 2019-08-30 | 2019-08-30 | Geothermal energy utilization system based on landscape water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110567073A true CN110567073A (en) | 2019-12-13 |
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