CN111043651B - Automatic pumping and transposition system applied to geothermal water collection and recharge - Google Patents
Automatic pumping and transposition system applied to geothermal water collection and recharge Download PDFInfo
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- CN111043651B CN111043651B CN201911408368.0A CN201911408368A CN111043651B CN 111043651 B CN111043651 B CN 111043651B CN 201911408368 A CN201911408368 A CN 201911408368A CN 111043651 B CN111043651 B CN 111043651B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 371
- 238000005086 pumping Methods 0.000 title claims abstract description 43
- 230000017105 transposition Effects 0.000 title claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 76
- 239000004576 sand Substances 0.000 claims abstract description 56
- 239000012535 impurity Substances 0.000 claims abstract description 25
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 13
- 239000010865 sewage Substances 0.000 claims description 29
- 230000000903 blocking effect Effects 0.000 claims description 28
- 238000012544 monitoring process Methods 0.000 claims description 20
- 229920000742 Cotton Polymers 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 5
- 235000020681 well water Nutrition 0.000 claims description 3
- 239000002349 well water Substances 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims 1
- 230000007774 longterm Effects 0.000 abstract description 8
- 230000002035 prolonged effect Effects 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 abstract 1
- 238000000926 separation method Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
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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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
-
- 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
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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
- 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
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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 invention relates to an automatic pumping and transposition system applied to geothermal water collection and recharge, which is characterized in that a bidirectional sand removal tank device and a home-entering temperature control heating plate device are sequentially arranged between a geothermal well and a home-entering end, the bidirectional sand removal tank device is used for removing sand from geothermal water, on one hand, geothermal tail water which is recharged into the ground is treated, the service life of the recharge well is prolonged, the problem of long-term blockage of the recharge well during long-term recharge is solved, on the other hand, geothermal water entering the home-entering temperature control heating plate device is primarily treated, the service life of the device is prolonged, and the maintenance cost required by geothermal heating is reduced. Through surging impurity system device of raising back and carrying out the blowdown to the geothermal well, not only can increase the efficiency of raising back clearance impurity, can increase geothermal well life in addition, reduce recharge well clearance expense, this is to guaranteeing going on smoothly of recharge technology, reduces the required maintenance cost of geothermal heating and has the significance, is favorable to promoting geothermal heating's scale at to a great extent and promotes.
Description
Technical Field
The invention belongs to the technical field of geothermal wells, and particularly relates to an automatic pumping and transposition system applied to geothermal water collection and recharge.
Background
Underground heat energy resources are very rich, a method for exploiting geothermal water at one time is very limited, water abandoning and recharging are the best method for solving the problem of lowering of geothermal water level and prolonging the service life of geothermal water internationally at present, a virtuous cycle state is formed through recharging, and geothermal water continuously brings deep heat energy of the earth to the earth surface in the cycle process, so that the geothermal energy is continuously utilized.
Along with the emphasis on environmental protection and clean energy in China, geothermal energy is increasingly emphasized as clean energy in heating, but geothermal water is complex in composition and contains a large amount of impurities, so that geothermal well collecting equipment and user heating equipment are easily damaged, and when geothermal tail water used for heating by extracting heat is recharged, recharging pipelines are easily blocked due to large-particle impurities contained in the geothermal tail water, the smooth proceeding of a subsequent recharging process is seriously influenced, the maintenance cost required by geothermal heating is high, and the large-scale popularization of geothermal heating is hindered to a great extent.
Disclosure of Invention
In order to solve the above technical problems, an object of the present invention is to provide an automatic pumping and transferring system for geothermal water collection and recharging.
According to one aspect of the present invention, there is provided an automatic pumping and transferring system for geothermal water collection and recharging, comprising:
the control terminal: the wireless control valve is in signal connection with the water level head automatic monitoring assembly, the water pump of the geothermal well and the wireless control valve, and is used for controlling the opening and closing states of the water pump of the geothermal well according to the pressure head information transmitted by the water level head automatic monitoring assembly and controlling the wireless control valve in the automatic lifting and transposition system;
water level head automatic monitoring subassembly: the device is positioned at the upper part of the geothermal well and used for monitoring the head pressure of the geothermal well;
two-way sand removal tank device: the bidirectional sand removing tank device and the home-entering temperature control heating plate device are sequentially arranged between the geothermal well and the home-entering end, wherein the bidirectional sand removing tank device is used for removing sand by geothermal water;
household temperature control heating plate replacing device: the device is used for heating geothermal water which is lower than the rated temperature and enters the entrance end;
the device of the impurity pumping system: and connecting the geothermal well for cleaning the geothermal well.
Furthermore, the geothermal well comprises a first geothermal well and a second geothermal well,
the bidirectional sand removal tank device and the household temperature control heating plate device are sequentially arranged between the first geothermal well, the second geothermal well and the household end, and the impurity pumping system device is located between the first geothermal well and the second geothermal well.
And recharging pipelines are arranged in the first geothermal well and the second geothermal well.
Furthermore, the automatic water level head monitoring assembly is placed in a pump chamber at the upper part of the geothermal well and comprises a measuring pipe and an automatic water level head monitor positioned inside the measuring pipe.
Furthermore, the household temperature control heating plate switching device comprises a heat exchanger and a heating storage tank, a water pipeline of the geothermal well is respectively connected with the heat exchanger and the heating storage tank through a three-way temperature control valve, the heat exchanger and the heating storage tank are connected through the water pipeline, and the heat exchanger supplies heat to the household end for heating.
Further, a water pipe of the first geothermal well is communicated with a first water pipe, the first water pipe is connected with a second water pipe and a third water pipe through a three-way temperature control valve, the second water pipe is connected with a heating storage tank, the first water pipe is also connected with a first branch water pipe, a first wireless control valve is arranged on the first water pipe behind the connection point of the first water pipe and the first branch water pipe, the first branch water pipe is respectively provided with a first check valve and a third wireless control valve, the first branch water pipe, a fifth water pipe for supplying heat to the house-entry end through a heat exchanger and a fourth water pipe connected with the heating storage tank are communicated with the third water pipe, and the fourth water pipe is provided with a second wireless control valve;
the water pipe of the second geothermal well is communicated with a sixth water pipe, the sixth water pipe is connected with a seventh water pipe and an eighth water pipe through a three-way temperature control valve, the seventh water pipe is connected with a heating storage tank, the sixth water pipe is further connected with a second branch water pipe, a fourth wireless control valve is arranged in front of the connection point of the sixth water pipe and the second branch water pipe on the sixth water pipe, a second check valve and a sixth wireless control valve are respectively arranged on the second branch water pipe, a fifth water pipe for supplying heat to the house entrance end through a heat exchanger and a ninth water pipe connected with the heating storage tank are communicated with the eighth water pipe, and a fifth wireless control valve is arranged on the ninth water pipe.
Further, two-way sand removal jar device is including the sand removal jar, follow supreme inlet tube, separation unit, the filter pulp of setting gradually down in the sand removal jar, rivers are followed the water inlet of sand removal jar gets into the inlet tube passes separation unit, filter pulp edulcoration in proper order and follows the delivery port of sand removal jar flows, the delivery port of sand removal jar communicates first branch pipeline, second branch pipeline respectively, the water inlet of sand removal jar connects third branch pipeline, fourth branch pipeline respectively, set up the third check valve that control rivers opposite direction, fifth check valve and on first branch pipeline, the third branch pipeline respectively and the conduit coupling of geothermal well, set up the fourth check valve that control rivers opposite direction, sixth check valve and on second branch pipeline, the fourth branch pipeline respectively, The fourth branch pipelines are all connected with the water conveying pipeline of the household temperature control heating plate replacing device. The third check valve and the fourth check valve are opposite in control direction, and the fifth check valve and the sixth check valve are opposite in control direction. And an inlet type check valve is arranged at a water inlet of the sand removing tank.
Furthermore, the separation unit comprises a separation part and lattice blocking parts, the separation part is positioned above the water inlet pipe, the lattice blocking parts are arranged in the desanding tank in a staggered mode, the water flow flowing out of the water outlet is blocked by the separation part in the installation direction of the separation part, and the water flow passing through the separation part is blocked by the lattice blocking parts in the installation direction of the lattice blocking parts. The barrier part is umbrella-shaped, and the lattice part is leaf-shaped.
Furthermore, the lower part in the desanding tank is conical and comprises an inclined surface, an outer discharge plug for discharging the desanding is arranged on the bottom surface of the desanding tank, and the outer discharge plug is positioned between the water inlet pipe and the inner wall of the desanding tank.
Furthermore, the third branch pipeline and the fourth branch pipeline penetrate through the tank wall of the sand removing tank and are connected with the water inlet of the sand removing tank.
Furthermore, a support is arranged on the sand removing tank.
Further, the check valve includes that the impeller and take the inclined plane first block piece, the second block the piece, first block piece, the second block that the inclined plane of piece inclined plane opposite direction just first block piece, second block that the piece is all fixed through the latch the both sides of impeller, the impeller can only be followed first short end that blocks the piece inclined plane, the second blocks the piece inclined plane passes to the long end first block piece, the second blocks the inclined plane of piece, otherwise not go.
Furthermore, the system device for pumping back impurities comprises a sewage pipeline and a booster turbine, wherein a water pipeline of the geothermal well is respectively connected with the sewage pipeline and the house-entering end through a three-way valve, the sewage pipeline is connected with the booster turbine, and the sewage pipeline forms suction force to the sewage pipeline by utilizing centrifugal force generated by a suction pump of the geothermal well and is cleaned by the booster turbine.
When the water pump pumps water, centrifugal force exists, and the magnitude of the force is related to the lift of the water pump, for example, a submersible pump with 200m of lift is used, the centrifugal force is larger than the pressure at the height of 200m of water column in a shaft, the force overcomes the self weight of the water at the height of 200m of water column when the water pump pumps water, so that the water can be pumped out, at the moment of stopping the pump, the centrifugal force is reduced, the vector included angle of the rotating force is gradually reduced, the centrifugal force is converted into centripetal force, and meanwhile, the force is converted from upward to downward against the self weight of the water. At the moment, the upward water head in the shaft is changed to be downward and is superposed with the centripetal force converted from the centrifugal force to form resultant force, so that the water flow is promoted to flow back, and at the moment, the force is transmitted to the recharging well, so that the recharging well is pumped back. And assuming that the second geothermal well is a recharging well, when the pipe diameter of the third water conveying pipeline part and the pipe diameter of the sixth water conveying pipeline part are larger than the pipe diameter of the second water conveying pipeline part and the pipe diameter of the fifth water conveying pipeline part, the pressure generated by the force can be amplified at the fifth water conveying pipeline part, so that the water flow under the recharging well is promoted to be agitated, and then high-speed water flow is generated to scour the well wall, so that impurities are discharged outwards along with the water flow to be cleaned.
Further, the geothermal well comprises a first geothermal well and a second geothermal well, the water delivery pipeline of the first geothermal well comprises a first water delivery pipeline part, a second water delivery pipeline part and a third water delivery pipeline part, the first water delivery pipeline part is connected with the water suction pump of the first geothermal well, the first water delivery pipeline part is provided with a seventh wireless control valve and is respectively connected with the second water delivery pipeline part and the third water delivery pipeline part, the second water delivery pipeline part is provided with an eighth wireless control valve, the third water delivery pipeline part is connected with the sewage discharge pipeline through the three-way valve,
the water pipe of the second geothermal well comprises a fourth water pipe part, a fifth water pipe part and a sixth water pipe part, the fourth water pipe part is connected with a water pump of the second geothermal well, the fourth water pipe part is provided with an eleventh wireless control valve and is respectively connected with the fifth water pipe part and the sixth water pipe part, the fifth water pipe part is provided with a tenth wireless control valve, and the sixth water pipe part is connected with the sewage discharge pipeline through a three-way valve.
The booster turbine is connected with the sewage draining outlet, and a ninth wireless control valve is arranged between the booster turbine and the sewage draining outlet.
The second water conveying pipeline part and the fifth water conveying pipeline part can be used as water pumping pipelines or recharging pipelines.
Compared with the prior art, the invention has the following beneficial effects: the control terminal is in signal connection with the water level head automatic monitoring assembly, the water pump of the geothermal well and the wireless control valve, is used for controlling the normal operation of the system, and is simple and convenient to operate. And the bidirectional sand removal tank device and the home-entering temperature control heating plate device are sequentially arranged between the geothermal well and the home-entering end, and are used for removing sand from geothermal water, so that on one hand, the geothermal tail water which is back-filled into the underground is treated, the service life of the recharge well is prolonged, the problem of long-term blockage of the recharge well during long-term recharge is reduced, on the other hand, the geothermal water which enters the home-entering temperature control heating plate device is primarily treated, the service life of the home-entering temperature control heating plate device is prolonged, and the maintenance cost required by geothermal heating is reduced. The geothermal well is discharged by agitating the impurity pumping system device, the problem that the impurities of the automatic pumping system of the geothermal well are difficult to clean is solved, the efficiency of pumping the impurities can be increased, the service life of the geothermal well can be prolonged, the cleaning cost of the geothermal well is reduced, the smooth operation of the recharging process is ensured, the maintenance cost required by geothermal heating is reduced, and the large-scale popularization of geothermal heating is facilitated to a great extent.
Drawings
Fig. 1 is a schematic structural diagram of an automatic pumping and transposing system applied to geothermal water collection and recharge in an embodiment of the present invention;
FIG. 2 is a schematic structural view of an automatic water level head monitoring assembly according to the present invention;
FIG. 3 is a schematic structural diagram of a home-entry temperature-controlled heating panel device according to the present invention;
FIG. 4 is a schematic structural view of the bi-directional sand removal tank apparatus of the present invention;
FIG. 5 is a schematic view of the check valve of the present invention;
FIG. 6 is a schematic structural diagram of the device of the present invention for agitating impurities back to the ambient air,
in the figure, 1 a heat exchanger, 2 a heating storage tank, 3 a three-way temperature control valve, 4 a first water pipe, 5 a second water pipe, 6 a third water pipe, 7 a first branch water pipe, 8 a first wireless control valve, 9 a first check valve, 10 a third wireless control valve, 11 a fifth water pipe, 12 a fourth water pipe, 13 a second wireless control valve, 14 a sixth water pipe, 15 a seventh water pipe, 16 an eighth water pipe, 17 a second branch water pipe, 18 a fourth wireless control valve, 19 a second check valve, 20 a sixth wireless control valve, 21 a ninth water pipe, 22 a fifth wireless control valve, 23 a blocking baffle, 24 a bracket, 25 a water inlet pipe, 26 filter cotton, 27 a water inlet, 28 a first branch pipe, 29 a second branch pipe, 30 a third branch pipe, 31 a fourth branch pipe, 32 a third check valve, 33 a fifth check valve and 34 a fourth check valve, 35 sixth check valve, 36 outer discharge plug, 37 blocking piece, 38 lattice piece, 39 water passing hole, 40 impeller, 41 first blocking piece, 42 second blocking piece, 43 spring bolt, 44 short end, 45 long end, 46 sewage discharging pipeline, 47 booster turbine, 48 three-way valve, 49 ninth wireless control valve, 50 first water pipeline part, 51 second water pipeline part, 52 third water pipeline part, 53 seventh wireless control valve, 54 eighth wireless control valve, 55 fourth water pipeline part, 56 fifth water pipeline part, 57 sixth water pipeline part, 58 eleventh wireless control valve, 59 tenth wireless control valve.
Detailed Description
In order to better understand the technical solution of the present invention, the following embodiments are provided to further explain the present invention.
Example one
The automatic pumping and transposing system applied to geothermal water collection and recharge of the embodiment comprises:
the control terminal: the wireless control valve is in signal connection with the water level head automatic monitoring assembly, the water pump of the geothermal well and the wireless control valve, and is used for controlling the opening and closing states of the water pump of the geothermal well according to the pressure head information transmitted by the water level head automatic monitoring assembly and controlling the wireless control valve in the automatic lifting and transposition system;
water level head automatic monitoring subassembly: the device is positioned at the upper part of the geothermal well and used for monitoring the head pressure of the geothermal well;
two-way sand removal tank device: the bidirectional sand removing tank device and the home-entering temperature control heating plate device are sequentially arranged between the geothermal well and the home-entering end, wherein the bidirectional sand removing tank device is used for removing sand by geothermal water;
household temperature control heating plate replacing device: the device is used for heating geothermal water which is lower than the rated temperature and enters the entrance end;
the device of the impurity pumping system: and connecting the geothermal well for cleaning the geothermal well.
When the geothermal well comprises a first geothermal well and a second geothermal well, the two-way sand removal tank device and the household temperature control heating plate device are sequentially arranged between the first geothermal well, the second geothermal well and the household end, and the impurity pumping system device is located between the first geothermal well and the second geothermal well. And recharging pipelines are arranged in the first geothermal well and the second geothermal well.
The control terminal (digital control terminal) is mainly used for setting a threshold value to interpret pressure water head information transmitted by the water level water head automatic monitoring assembly, judging when to start pumping water of the first geothermal well or the second geothermal well, and controlling the opening and closing states of the wireless control valve.
The water level head automatic monitoring assembly is mainly used for monitoring the head pressure of the geothermal well by a measuring pipe and an automatic water level head monitor inside the measuring pipe, and the measuring pipe and the monitoring instrument are placed in a pump chamber on the upper portion of the geothermal well.
The household temperature control heating plate device is mainly used when the temperature of geothermal water does not reach the standard and a recharge well is just replaced by a pumping well. When the recharging well is just changed into a pumping well, the temperature of geothermal water is in a lower temperature range due to long-term recharging, the geothermal water cannot return to the rated temperature in one week or more, and at the moment, the geothermal water is pumped, and the pumped water needs to be heated and then heated. Along with the increase of the pumping quantity and the gradual recovery of the ground temperature, the temperature of the geothermal water gradually rises, and after the set temperature is reached, normal heating is carried out, and the geothermal water does not need to be heated any more.
The household temperature control heating plate replacing device comprises a heat exchanger 1 and a heating storage tank 2, a water pipeline of the geothermal well is respectively connected with the heat exchanger 1 and the heating storage tank 2 through a three-way temperature control valve 3, the heat exchanger 1 and the heating storage tank 2 are connected through the water pipeline, and the heat exchanger 1 supplies heat to a heating household end.
Because the geothermal well pumping well and the recharging well are replaced regularly, the system is a symmetrical system, and the left side of the system is the same as the right side of the system. Therefore, furthermore, the water pipeline of the first geothermal well is communicated with a first water pipeline 4, the first water pipeline 4 is connected with a second water pipeline 5 and a third water pipeline 6 through a three-way temperature control valve 3, the second water pipeline 5 is connected with a heating storage tank 2, the first water pipeline 4 is also connected with a first branch water pipeline 7, a first wireless control valve 8 is arranged on the first water conveying pipeline 4 behind the connection point of the first water conveying pipeline 4 and the first branch water conveying pipeline 7, the first branch water pipeline 7 is respectively provided with a first check valve 9 and a third wireless control valve 10, the first branch water conveying pipeline 7, a fifth water conveying pipeline 11 for supplying heat to the house-entering end through the heat exchanger 1 and a fourth water conveying pipeline 12 connected with the heating storage tank 2 are communicated with the third water conveying pipeline 6, and a second wireless control valve 13 is arranged on the fourth water conveying pipeline 12;
the water pipe of the second geothermal well is communicated with a sixth water pipe 14, the sixth water pipe 14 is connected with a seventh water pipe 15 and an eighth water pipe 16 through a three-way temperature control valve 3, the seventh water pipe 15 is connected with the heating storage tank 2, the sixth water pipe 14 is further connected with a second branch water pipe 17, a fourth wireless control valve 18 is arranged in front of the connection point of the sixth water pipe 14 and the second branch water pipe 17 on the sixth water pipe 14, a second check valve 19 and a sixth wireless control valve 20 are respectively arranged on the second branch water pipe 17, a fifth water pipe 11 for supplying heat to the indoor end through the heat exchanger 1 and a ninth water pipe 21 connected with the heating storage tank 2 are communicated with the eighth water pipe 16, and the ninth water pipe 21 is provided with a fifth wireless control valve 22.
When first geothermal well is the pumped well, the second geothermal well is the recharge well, the operation principle of controlling by temperature change heating plate device of registering one's residence does: the method comprises the following steps that geothermal water is pumped by a first geothermal well and enters a first water delivery pipeline 4, a first wireless control valve 8, a second wireless control valve 13 and a sixth wireless control valve 20 are opened, a third wireless control valve 10, a fourth wireless control valve 18 and a fifth wireless control valve 22 are closed, a three-way temperature control valve 3 is set to be at a rated temperature, if the water temperature meets the rated temperature, water flow enters a fifth water delivery pipeline 11 through a third water delivery pipeline 6, and a heat supply user side is supplied with heat through a heat exchanger 1, specifically a plate heat exchanger; if the temperature can not reach the set temperature, the water flow enters the heating storage tank 2 through the second water pipeline 5 to heat the water flow, and after the temperature reaches the rated temperature, the water flow enters the fifth water pipeline 11 to supply heat to the geothermal heating user side through the heat exchanger 1. In order to better heat the water flow entering the second water conveying pipeline 5, the heating storage tank is welded with a plurality of baffle plates 23, so that the water flow can be sufficiently heated.
When the first geothermal well is a recharging well and the second geothermal well is a pumping well, the third wireless control valve 10, the fourth wireless control valve 18 and the fifth wireless control valve 22 are opened, and the first wireless control valve 8, the second wireless control valve 13 and the sixth wireless control valve 20 are closed. Geothermal water enters from the second geothermal well, is filtered by the three-way temperature control valve 3 and is then pumped back to the ground by the first geothermal well.
The two-way sand removal tank device is mainly used for removing sand in the automatic pumping process of geothermal heat with a recharge well, and is arranged at the wellhead of the geothermal well (recharge well), on one hand, well water (geothermal tail water) which is recharged into the underground can be treated, the service life of the recharge well can be prolonged, the problem of long-term blockage of the recharge well in long-term recharging is reduced, on the other hand, geothermal water entering the household temperature control heating plate device is primarily treated, and the service life of the household temperature control heating plate device is prolonged.
Two-way sand removing tank device is including removing the sand jar, it sets up support 24 to remove on the sand jar, follow supreme inlet tube 25, separation unit, the filter pulp 26 of setting gradually down in the sand jar, rivers are followed remove the water inlet 27 of sand jar and get into inlet tube 25 passes the separation unit in proper order, filters the cotton 26 edulcoration follow remove the delivery port outflow of sand jar, remove the water inlet 27 of sand jar and set up the type check valve that gets into, remove the delivery port of sand jar and communicate first branch pipeline 28, second branch pipeline 29 respectively, the water inlet 27 of sand jar connects third branch pipeline 30, fourth branch pipeline 31 respectively, third branch pipeline 30, fourth branch pipeline 31 pass remove the jar wall of sand jar with remove the water inlet 27 of sand jar and be connected, set up the third check valve 32 that control rivers opposite direction on first branch pipeline 28, the third branch pipeline 30 respectively, The fifth check valve 33, the first branch pipeline 28 and the third branch pipeline 30 are connected with a water conveying pipeline of the geothermal well, the second branch pipeline 29 and the fourth branch pipeline 31 are respectively provided with a fourth check valve 34 and a sixth check valve 35 which control water flow in opposite directions, and the second branch pipeline 29 and the fourth branch pipeline 31 are connected with the water conveying pipeline of the household temperature control heating plate device. The third check valve 32 and the fourth check valve 34 are controlled in opposite directions, and the fifth check valve 33 and the sixth check valve 35 are controlled in opposite directions. The lower part in the desanding tank is conical and comprises an inclined surface, an outer discharge plug 36 for discharging desanding is arranged on the bottom surface of the desanding tank, and the outer discharge plug 36 is positioned between the water inlet pipe 25 and the inner wall of the desanding tank.
The blocking unit comprises a blocking piece 37 and a lattice piece 38, the blocking piece is umbrella-shaped, the lattice piece is in a leaf type, the blocking piece is positioned on the water inlet pipe 25, the lattice pieces 38 are arranged in the desanding tank in a staggered mode, the blocking piece 37 is installed in a direction that water flowing out of the water outlet 39 is blocked by the blocking piece 37, and the lattice piece 38 is installed in a direction that water flowing through the blocking piece 37 is blocked by the lattice piece 38.
The principle is that water flow enters the desanding tank and must pass through an inlet check valve, enters the tank body from the lower part of the tank body, enters the tank body and then passes through a water passing port 39, and is acted by an umbrella-shaped blocking piece 37, the water flow cannot rise directly, sand stones with high specific gravity and the like fall into the tank bottom under the action of gravity, slightly light silt continuously upwells along with the water flow under the action of continuous water head pressure and is repeatedly blocked by a leaf type check piece 38, most of the silt is sunk by the check piece 38, and a small part of the silt is blocked by filter cotton 26 and falls. And the water flow is discharged upwards under the action of the water head pressure and discharged out of the sand removing tank system through the discharged check valve, and the precipitated silt is discharged out of the tank through the discharge plug 36.
Further, the check valve can be a traditional check valve, and can also be designed to include an impeller 40 and a first stopper 41 and a second stopper 42 with inclined surfaces, the inclined directions of the inclined surfaces of the first stopper 41 and the second stopper 42 are opposite, and the first stopper 41 and the second stopper 42 are both fixed on both sides of the impeller 40 through a spring bolt 43, and the impeller 40 can only pass through the inclined surfaces of the first stopper 41 and the second stopper 42 from a short end 44 to a long end 45 of the inclined surfaces of the first stopper 41 and the second stopper 42, or vice versa. The impeller 40 carries water, when the short end 44 of the inclined plane of the first and second stoppers 41 and 42 passes through the inclined plane of the first and second stoppers 41 and 42 toward the long end 45, the end of the impeller 40 presses the first and second stoppers 41 and 42 under the action of the spring bolt 43, and the water carried by the impeller 40 passes through the first and second stoppers 41 and 42, but when the long end 45 of the inclined plane of the first and second stoppers 41 and 42 passes through the inclined plane of the first and second stoppers 41 and 42 toward the short end 44, the impeller 40 is blocked by the long end 45 of the first and second stoppers 41 and 42, and cannot rotate, and the water cannot pass through the check valve.
The device for the impurity pumping and back-filling automatic back-lifting system is invented for solving the problem that impurities of the automatic back-lifting system of the geothermal well are difficult to clean. Increase the service life of the geothermal well and reduce the cleaning cost of the recharge well. Because the two-hole geothermal well of the automatic pumping system forms a pair of wells, the pumping well and the recharging well are automatically switched in a certain period, and the pumping end and the recharging end use the same device. The recharge and water pumping pipes are made of corrosion-resistant steel and extend to the position of the water-bearing layer of the geothermal well.
The impurity pumping system device that surges includes sewage pipes 46, turbo 47, and geothermal well's water pipe passes through three way valve 48 and connects respectively sewage pipes 46, the end of registering one's residence, sewage pipes 46 with turbo 47 links to each other, turbo 47 connects the drain, set up ninth wireless control valve 49 between turbo 47 and the drain, it is right to utilize the centrifugal force that geothermal well suction pump produced sewage pipes 46 form suction and pass through turbo 47 washs geothermal well.
Further, the first geothermal well and the second geothermal well form a twin well, wherein the water pipe of the first geothermal well comprises a first water pipe portion 50, a second water pipe portion 51 and a third water pipe portion 52, the first water pipe portion 50 is connected with the water pump of the first geothermal well, the first water pipe portion 50 is provided with a seventh wireless control valve 53 and is respectively connected with the second water pipe portion 51 and the third water pipe portion 52, the second water pipe portion 51 is provided with an eighth wireless control valve 54, the third water pipe portion 52 is connected with the sewage conduit 46 through the three-way valve 48,
the water pipes of the second geothermal well comprise a fourth water pipe part 55, a fifth water pipe part 56 and a sixth water pipe part 57, the fourth water pipe part 55 is connected with a water pump of the second geothermal well, the fourth water pipe part 55 is provided with an eleventh wireless control valve 58 which is respectively connected with the fifth water pipe part 56 and the sixth water pipe part 57, the fifth water pipe part 56 is provided with a tenth wireless control valve 59, and the sixth water pipe part 57 is connected with the sewage discharge pipe 46 through the three-way valve 48.
Both the second water pipe portion 51 and the fifth water pipe portion 56 can be used as a pumping pipe or a recharging pipe.
The working principle of the impurity pumping system device is that when water is pumped normally, a water pump of the first geothermal well is opened, water flow is pumped from the first geothermal well, the eighth wireless control valve 54 and the eleventh wireless control valve 58 are closed, the seventh wireless control valve 53 and the tenth wireless control valve 59 are opened, the two three-way valve 48 is opened to the direction of the heating pipeline, the sewage pipeline 46 is closed, the ninth wireless control valve 49 of the sewage outlet is closed, geothermal water enters the heating system through the heating pipeline, and the geothermal water is discharged into the second geothermal well after being heated by the heating system. Due to long-term recharge, under physical and chemical actions, the second geothermal well scales and deposits impurities and other attachments on the aquifer part for a long time, so that the recharge efficiency is reduced, the recharge quantity is reduced, and the recharge well is blocked. The well needs to be lifted to clean impurities and attachments.
When the second geothermal well is lifted, the water pump of the first geothermal well is stopped, the heating channel leading to the user end is closed through the three-way valve 48, and the direction of the sewage discharge pipeline 46 is switched on. After the suction pump of the first geothermal well is stopped, a great amount of suction force is formed in the direction of the sewage pipeline 46 due to the centrifugal force. The suction force is transmitted to the aquifer through the fifth water pipe part 56 by conduction through the sewage discharge pipe 46, and the impurities and attachments generated by the recharge are agitated and sucked. After the water suction pump of the first geothermal well is closed for 3 minutes, the ninth wireless control valve 49 is opened, the seventh wireless control valve 53 is closed, and the sucked sewage is discharged outside through the booster turbine 47.
After 15 minutes of raising, the seventh, ninth and tenth wireless control valves 53,49 and 59 are closed, the eighth and eleventh wireless control valves 54 and 58 are opened, the direction of the sewage pipeline 46 is closed through the three-way valve 48, the heating channel of the user end is opened, the water suction pump of the second geothermal well is opened to pump water to the second geothermal well, the water is discharged into the first geothermal well through the second water pipeline part 51 through the heating pipeline, and impurities contained in the hot water are discharged by other facilities such as a sand removal tank of the heating pipeline system.
Example two
The same features of this embodiment and the first embodiment are not described again, and the different features of this embodiment and the first embodiment are:
the check valve in the bidirectional sand removing tank is a traditional check valve.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (8)
1. The utility model provides an automatic rising transposition system that is applied to geothermal water collection and recharges, characterized by includes:
the control terminal: the wireless control valve is in signal connection with the water level head automatic monitoring assembly, the water pump of the geothermal well and the wireless control valve, and is used for controlling the opening and closing states of the water pump of the geothermal well according to the pressure head information transmitted by the water level head automatic monitoring assembly and controlling the wireless control valve in the automatic lifting and transposition system;
water level head automatic monitoring subassembly: the device is positioned at the upper part of the geothermal well and used for monitoring the head pressure of the geothermal well;
two-way sand removal tank device: the bidirectional sand removing tank device and the home-entering temperature control heating plate device are sequentially arranged between the geothermal well and the home-entering end, wherein the bidirectional sand removing tank device is used for removing sand by geothermal water;
household temperature control heating plate replacing device: the device is used for heating geothermal water which is lower than the rated temperature and enters the entrance end;
the device of the impurity pumping system: connecting the geothermal well for cleaning the geothermal well;
the device comprises a sewage discharge pipeline and a booster turbine, wherein a water delivery pipeline of the geothermal well is respectively connected with the sewage discharge pipeline and a house entrance end through a three-way valve, and the sewage discharge pipeline is connected with the booster turbine; the pumping is stopped by using a geothermal well water pump at the moment, the reverse pumping is formed on the recharge well, and the sucked sewage is discharged outside through a booster turbine;
the geothermal well comprises a first geothermal well and a second geothermal well, the water delivery pipeline of the first geothermal well comprises a first water delivery pipeline part, a second water delivery pipeline part and a third water delivery pipeline part, the first water delivery pipeline part is connected with a water suction pump of the first geothermal well, the first water delivery pipeline part is provided with a seventh wireless control valve and is respectively connected with the second water delivery pipeline part and the third water delivery pipeline part, the second water delivery pipeline part is provided with an eighth wireless control valve, and the third water delivery pipeline part is connected with the sewage discharge pipeline through the three-way valve;
the water conveying pipeline of the second geothermal well comprises a fourth water conveying pipeline part, a fifth water conveying pipeline part and a sixth water conveying pipeline part, the fourth water conveying pipeline part is connected with a water pump of the second geothermal well, an eleventh wireless control valve is arranged on the fourth water conveying pipeline part and is respectively connected with the fifth water conveying pipeline part and the sixth water conveying pipeline part, a tenth wireless control valve is arranged on the fifth water conveying pipeline part, and the sixth water conveying pipeline part is connected with the sewage discharge pipeline through the three-way valve;
the pipe diameters of the third water conveying pipeline part and the sixth water conveying pipeline part are larger than those of the second water conveying pipeline part and the fifth water conveying pipeline part.
2. The automatic pumping and transferring system for geothermal water collection and recharging of claim 1, wherein the bidirectional sand removing tank device and the household temperature control heating plate device are sequentially arranged between the first geothermal well, the second geothermal well and the household end, and the impurity pumping and transferring system device is arranged between the first geothermal well and the second geothermal well.
3. The automatic pumping and transposing system for geothermal water collection and recharging of claim 1, wherein the recharging pipes are disposed in the first geothermal well and the second geothermal well.
4. The automatic pumping and transposing system for geothermal water collection and recharging of claim 1, wherein the automatic water level head monitoring assembly is disposed in a pump chamber at the upper part of the geothermal well and comprises a measuring tube and an automatic water level head monitor disposed inside the measuring tube.
5. The automatic pumping and transposing system applied to geothermal water collection and recharging of claim 2, wherein the household temperature control heating plate transposing device comprises a heat exchanger and a heating storage tank, a water pipeline of the geothermal well is respectively connected with the heat exchanger and the heating storage tank through a three-way temperature control valve, the heat exchanger and the heating storage tank are connected through the water pipeline, and a heating household end is heated through the heat exchanger.
6. An automatic pumping and transposing system for geothermal water collection and recharge according to claim 2, it is characterized in that a water delivery pipeline of the first geothermal well is communicated with a first water delivery pipeline, the first water delivery pipeline is connected with a second water delivery pipeline and a third water delivery pipeline through a three-way temperature control valve, the second water delivery pipeline is connected with a heating storage tank, the first water delivery pipeline is also connected with a first branch water delivery pipeline, a first wireless control valve is arranged on the first water pipeline behind the connection point of the first water pipeline and the first branch water pipeline, the first branch water conveying pipeline, a fifth water conveying pipeline for supplying heat to the indoor end through a heat exchanger and a fourth water conveying pipeline connected with the heating storage tank are communicated with the third water conveying pipeline, and the fourth water conveying pipeline is provided with a second wireless control valve;
the water pipe of the second geothermal well is communicated with a sixth water pipe, the sixth water pipe is connected with a seventh water pipe and an eighth water pipe through a three-way temperature control valve, the seventh water pipe is connected with a heating storage tank, the sixth water pipe is further connected with a second branch water pipe, a fourth wireless control valve is arranged in front of the connection point of the sixth water pipe and the second branch water pipe on the sixth water pipe, a second check valve and a sixth wireless control valve are respectively arranged on the second branch water pipe, a fifth water pipe for supplying heat to the house entrance end through a heat exchanger and a ninth water pipe connected with the heating storage tank are communicated with the eighth water pipe, and a fifth wireless control valve is arranged on the ninth water pipe.
7. The automatic pumping and transposing system applied to geothermal water collection and recharge as claimed in claim 2, wherein the bidirectional sand removing tank device comprises a sand removing tank, a water inlet pipe, a blocking unit and filter cotton are sequentially arranged in the sand removing tank from bottom to top, water flows into the water inlet pipe from a water inlet of the sand removing tank, sequentially passes through the blocking unit and the filter cotton to remove impurities, and flows out from a water outlet of the sand removing tank, a water outlet of the sand removing tank is respectively communicated with a first branch pipeline and a second branch pipeline, a water inlet of the sand removing tank is respectively connected with a third branch pipeline and a fourth branch pipeline, a third check valve and a fifth check valve which control water flows in opposite directions are respectively arranged on the first branch pipeline and the third branch pipeline, the first branch pipeline and the third branch pipeline are both connected with a water conveying pipeline of the geothermal well, and the second branch pipeline, And the fourth branch pipeline are respectively provided with a fourth check valve and a sixth check valve which control the water flow in opposite directions and are connected with the water conveying pipeline of the household temperature control heating plate replacing device.
8. The automatic pumping and transposing system for geothermal water collection and recharge as claimed in claim 7, wherein the blocking unit comprises a blocking member and a blocking member, the blocking member is located above the water inlet pipe, the blocking members are arranged in the desanding tank in a staggered manner, the blocking member is installed in a direction such that the water flow flowing out from the water outlet is blocked by the blocking member, and the blocking member is installed in a direction such that the water flow passing through the blocking member is blocked by the blocking member.
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| CN103816714A (en) * | 2014-03-13 | 2014-05-28 | 中石化绿源地热能开发有限公司 | Economical recharge system for sandstone geothermal tail water |
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| CN107606682A (en) * | 2017-09-18 | 2018-01-19 | 河北华威新能源科技有限公司 | The very bi-directional filtered geothermal utilization heating system of recharge |
| CN209211544U (en) * | 2018-11-30 | 2019-08-06 | 孙立生 | Geothermal water reinjection system |
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- 2019-12-31 CN CN201911408368.0A patent/CN111043651B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103816714A (en) * | 2014-03-13 | 2014-05-28 | 中石化绿源地热能开发有限公司 | Economical recharge system for sandstone geothermal tail water |
| CN205613098U (en) * | 2016-05-16 | 2016-10-05 | 中国石油化工股份有限公司 | Spiral -flow type degritting jar and sand removal system |
| CN106123383A (en) * | 2016-08-17 | 2016-11-16 | 北京市水文地质工程地质大队 | One thermal recovery fill system and method intelligently |
| CN107606682A (en) * | 2017-09-18 | 2018-01-19 | 河北华威新能源科技有限公司 | The very bi-directional filtered geothermal utilization heating system of recharge |
| CN209211544U (en) * | 2018-11-30 | 2019-08-06 | 孙立生 | Geothermal water reinjection system |
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