CN211060430U - Geothermal well tail water recharging system - Google Patents
Geothermal well tail water recharging system Download PDFInfo
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- CN211060430U CN211060430U CN201922038229.5U CN201922038229U CN211060430U CN 211060430 U CN211060430 U CN 211060430U CN 201922038229 U CN201922038229 U CN 201922038229U CN 211060430 U CN211060430 U CN 211060430U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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Abstract
The utility model discloses a geothermal well tail water recharge system, including extraction element, heat exchange device, filter equipment and recharge device, extraction element includes drinking-water pipe and suction pump, drinking-water pipe and suction pump suction inlet are connected, filter equipment includes the water storage tank, the filter screen, pressure sensor, controller and electric air valve, the water storage tank passes through the pipeline and is connected with the suction pump, inside the water storage tank was located to the filter screen, pressure sensor locates inside the water storage tank, the water storage tank outer wall is located to the controller, electric air valve locates the water storage tank top, the controller respectively with pressure sensor and electric air valve electric connection, heat exchange device locates on the pipeline between water storage tank and the suction pump, recharge device is including recharging water pump and recharging water pipe, recharging water pump passes through pipe connection water storage tank bottom, recharging water pipe connects recharging water pump. The utility model belongs to the technical field of the geothermal exploitation, specifically provide a geothermal well tail water recharge system that can filter tail water, safe in utilization, can prevent to block up when recharging.
Description
Technical Field
The utility model belongs to the technical field of the geothermal exploitation, specifically indicate a geothermal well tail water recharge system.
Background
Geothermal energy is renewable thermal energy from deep within the earth that results from the decay of the earth's molten magma and radioactive materials. The circulation of the deep underground water and the invasion of magma from an extremely deep place into the crust bring heat from deep underground to near surface. Humans use geothermal energy in the form of geothermal water or steam to the surface by digging geothermal wells. At present, geothermal power generation, heating, greenhouses, breeding, rehabilitation, medical treatment, chemical raw material extraction, tourism, bottled mineral water and the like are widely utilized, the exploitation amount is increased day by day, most geothermal water after heat energy extraction is discharged to the ground surface, thermal pollution and chemical pollution are caused, meanwhile, the still water level of a geothermal well is led to be reduced year by year, and the waste of geothermal water is caused to cause the exhaustion of geothermal water for a long time. As is well known, geothermal water is used as the only medium for developing deep geothermal energy and is limited by the pumping head of a submersible pump and the economical efficiency. When the water level burial depth is reduced to a certain depth, the exploitation of geothermal energy no longer has economic significance, and the utilized thermal energy only accounts for ten-thousandth of the total heat storage of the heat reservoir at the moment. In order to realize the continuous development of clean energy, geothermal water after extracting heat energy must be returned to the earth crust.
However, geothermal well tail water recharging systems also face a number of problems, such as: the tail water is treated to avoid blocking the recharging well, and the closed circulating system has poor safety due to high temperature and high pressure and harmful gas.
Disclosure of Invention
For solving the above-mentioned current difficult problem, the utility model provides a ground heat well tail water recharge system suitable for geothermal exploitation field that can filter tail water, safe in utilization, can prevent to block up when recharging.
The utility model adopts the following technical scheme: the utility model discloses geothermal well tail water recharging system, including the extraction device, heat exchange device, filter equipment and the device of recharging that connect gradually by the pipeline, the extraction device includes drinking-water pipe and suction pump, drinking-water pipe and suction pump suction inlet are connected, the drinking-water pipe goes deep into the geothermal well bottom, the suction pump is located the geothermal well head, filter equipment includes water storage tank, filter screen, pressure sensor, controller and electronic pneumatic valve, the water storage tank is connected with the drinking-water pump delivery port through the pipeline, the filter screen is located inside the water storage tank, pressure sensor locates inside the water storage tank, the controller is located the water storage tank outer wall, electronic pneumatic valve locates the water storage tank top, the controller respectively with pressure sensor and electronic pneumatic valve electric connection, heat exchange device locates on the pipeline between water storage tank and the suction pump, the device of recharging includes the water pump of recharging and the water pipe of recharging, the recharge water pump is connected with the bottom of the water storage tank through a pipeline, the recharge water pipe is connected with the recharge water pump, and the recharge water pipe is arranged in the recharge well.
Further, the controller can preset a pressure value, and when the pressure sensor value is larger than the preset pressure value, the electric air valve is opened.
Further, filter equipment still includes air purifier, air purifier locates electronic pneumatic valve end. An air purifier is additionally arranged to purify high-temperature harmful gas generated in the geothermal well.
Further, still be equipped with temperature sensor in the water storage tank, temperature sensor and controller electric connection. The temperature sensor may help a user to detect the heat exchange efficiency of the device in detail.
Preferably, the filter screen is the filter screen that can filter large granule grit, can accomplish the purification of tail water.
Preferably, the heat exchange device is a plate heat exchanger.
Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: the geothermal well tail water recharging system is simple in structure, reasonable in design, low in cost and simple and convenient to operate, a closed system is used for geothermal collection and utilization, and the pressure sensor is arranged to prevent the pressure in the device from being too high, so that the safety is high; and tail water is purified and filtered, so that blockage during recharging can be prevented.
Drawings
Fig. 1 is the overall structure schematic diagram of the geothermal well tail water recharging system of the utility model.
The device comprises an extraction device 1, a heat exchange device 2, a filtering device 3, a recharging device 4, a pipeline 5, a water pumping pipe 6, a water pumping pump 7, a water storage tank 8, a water storage tank 9, a filter screen 10, a pressure sensor 11, a controller 12, an electric air valve 13, a recharging water pump 14, a recharging water pipe 15, an air purifier 16 and a temperature sensor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in figure 1, the geothermal well tail water recharging system of the utility model comprises an extracting device 1, a heat exchange device 2, a filtering device 3 and a recharging device 4 which are connected in sequence by a pipeline 5, wherein the extracting device 1 comprises a water pumping pipe 6 and a water pumping pump 7, the water pumping pipe 6 is connected with a suction port of the water pumping pump 7, the water pumping pipe 6 goes deep into the bottom of the geothermal well, the water pumping pump 7 is arranged at the top of the geothermal well, the filtering device 3 comprises a water storage tank 8, a filter screen 9, a pressure sensor 10, a controller 11 and an electric air valve 12, the water storage tank 8 is connected with a water outlet of the water pumping pump 7 through the pipeline 5, the filter screen 9 is arranged inside the water storage tank 8, the pressure sensor 10 is arranged inside the water storage tank 8, the controller 11 is arranged on the outer wall of the water storage tank 8, the electric air valve 12 is arranged on the top of the water storage tank 8, the heat exchange device 2 is arranged on a pipeline 5 between the water storage tank 8 and the water suction pump 7, the recharge device 4 comprises a recharge water pump 13 and a recharge water pipe 14, the recharge water pump 13 is connected with the bottom of the water storage tank 8 through the pipeline 5, the recharge water pipe 14 is connected with the recharge water pump 13, and the recharge water pipe 14 is arranged in a recharge well.
Wherein, pressure value can be predetermine to controller 11, when pressure sensor 10 numerical value is greater than predetermineeing pressure value, opens electronic pneumatic valve 12, filter equipment 3 still includes air purifier 15, air purifier 15 locates electronic pneumatic valve 12 end, still be equipped with temperature sensor 16 in the water storage tank 8, temperature sensor 16 and the 11 electric connection of controller, filter screen 9 is the filter screen 9 that can filter the large granule grit, heat exchange device 2 is plate heat exchanger.
When the device is used specifically, firstly, the safe pressure value in the controller 11 is preset, the water pump 7 pumps hot water out of the geothermal well, the hot water is conveyed by the pipeline 5, the heat exchange device 2 is arranged on the section of pipeline 5, the heat exchange device 2 can transmit heat of high-temperature hot water to the steam power generation device, the steam power generation device generates power by using a low-boiling-point medium, the hot water flows into the water storage tank 8 after heat transmission, the pressure of the water outlet tank is very high because the water outlet tank is communicated with the geothermal well, when the value detected in the pressure sensor 10 is larger than the safe value, the controller 11 opens the electric air valve 12 to reduce the pressure, water filters gravels through the filter screen 9, and finally, the water is pumped out by the recharge water pump 13 and is recharged.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (6)
1. The utility model provides a geothermal well tail water recharge system which characterized in that: the geothermal energy recycling device comprises an extraction device, a heat exchange device, a filtering device and a recharging device which are sequentially connected through a pipeline, wherein the extraction device comprises a water pumping pipe and a water pumping pump, the water pumping pipe is connected with a suction port of the water pumping pump, the water pumping pipe goes deep into a geothermal well bottom, the water pumping pump is arranged at a geothermal well mouth, the filtering device comprises a water storage tank, a filter screen, a pressure sensor, a controller and an electric air valve, the water storage tank is connected with a water outlet of the water pumping pump through the pipeline, the filter screen is arranged in the water storage tank, the pressure sensor is arranged in the water storage tank, the controller is arranged on the outer wall of the water storage tank, the electric air valve is arranged at the top of the water storage tank, the controller is respectively electrically connected with the pressure sensor and the electric air valve, the heat exchange device is arranged on the pipeline between the water storage tank and the water pumping pump, the, the recharge water pipe is connected with a recharge water pump and is arranged in the recharge well.
2. The geothermal well tail water recharging system of claim 1, wherein: the controller can preset a pressure value, and when the value of the pressure sensor is larger than the preset pressure value, the electric air valve is opened.
3. The geothermal well tail water recharging system of claim 1, wherein: the filtering device further comprises an air purifier, and the air purifier is arranged at the tail end of the electric air valve.
4. The geothermal well tail water recharging system of claim 1, wherein: still be equipped with temperature sensor in the water storage tank, temperature sensor and controller electric connection.
5. The geothermal well tail water recharging system of claim 1, wherein: the filter screen is the filter screen that can filter large granule grit.
6. The geothermal well tail water recharging system of claim 1, wherein: the heat exchange device is a plate heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922038229.5U CN211060430U (en) | 2019-11-22 | 2019-11-22 | Geothermal well tail water recharging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922038229.5U CN211060430U (en) | 2019-11-22 | 2019-11-22 | Geothermal well tail water recharging system |
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| CN211060430U true CN211060430U (en) | 2020-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922038229.5U Active CN211060430U (en) | 2019-11-22 | 2019-11-22 | Geothermal well tail water recharging system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112121742A (en) * | 2020-09-17 | 2020-12-25 | 武汉船舶职业技术学院 | Device for chemical production by using geothermal energy |
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2019
- 2019-11-22 CN CN201922038229.5U patent/CN211060430U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112121742A (en) * | 2020-09-17 | 2020-12-25 | 武汉船舶职业技术学院 | Device for chemical production by using geothermal energy |
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