CN211146943U - Geothermal well heat make full use of and recharge system - Google Patents
Geothermal well heat make full use of and recharge system Download PDFInfo
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- CN211146943U CN211146943U CN201922210803.0U CN201922210803U CN211146943U CN 211146943 U CN211146943 U CN 211146943U CN 201922210803 U CN201922210803 U CN 201922210803U CN 211146943 U CN211146943 U CN 211146943U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 229
- 238000001556 precipitation Methods 0.000 claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 238000005086 pumping Methods 0.000 claims description 45
- 238000011010 flushing procedure Methods 0.000 claims description 21
- 239000008236 heating water Substances 0.000 claims description 12
- 239000010865 sewage Substances 0.000 claims description 12
- 239000013049 sediment Substances 0.000 abstract description 15
- 238000004062 sedimentation Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000001914 filtration Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000011001 backwashing Methods 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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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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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The geothermal well heat full utilization and recharge system comprises a water suction pump, a precipitation filter, a first shell-and-tube heat exchanger, a second shell-and-tube heat exchanger, a first water source heat pump, a second water source heat pump and a heating circulating pump, wherein the water suction pump is arranged under the water surface of a geothermal well, a water outlet of the water suction pump is connected with a water inlet of the precipitation filter through a water suction pipe, a temperature sensor is arranged on the recharge pipe, and the recharge pipe extends into the recharge well and is sealed at the well mouth of the recharge well; the utility model discloses the principle science, the modern design both fully carries out geothermal water and carries out the heat utilization to reduce geothermal water's utilization cost, earlier filtered geothermal water taken out moreover, avoided the jam of pipeline, still set up the back flush pipeline to sediment filter, the practicality is strong, and market prospect is wide, easily popularizes and applies.
Description
Technical Field
The utility model belongs to the technical field of geothermal energy utilizes, concretely relates to geothermal well heat make full use of and recharge system.
Background
Geothermal energy is a clean and recyclable energy source, geothermal water is pumped out from a geothermal well for heat extraction and utilization and then is recharged to the ground, but at present, a large amount of heat energy is wasted in the process of heat extraction and utilization of geothermal water, the utilization efficiency of the heat energy is low, and the utilization cost of the geothermal energy is high. In addition, as the geothermal water has more silt after being pumped out, the geothermal water is directly utilized by simple sedimentation treatment in many places, and after a long time, the pipeline is blocked in the actual utilization process of the geothermal energy.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the weak point among the prior art, provide a simple structure, be convenient for operation, geothermal well heat make full use of and recharge system that work efficiency is high.
In order to solve the technical problem, the utility model adopts the following technical scheme: the geothermal well heat full utilization and recharge system comprises a water suction pump, a precipitation filter, a first shell-and-tube heat exchanger, a second shell-and-tube heat exchanger and a first water source heat pump, wherein the water suction pump is arranged under the water surface of a geothermal well, a water outlet of the water suction pump is connected with a water inlet of the precipitation filter through a water suction pipe, a water outlet of the precipitation filter is connected with a water inlet of a heat exchange pipe of the first shell-and-tube heat exchanger through a first water pipe, a water outlet of the heat exchange pipe of the first shell-and-tube heat exchanger is connected with a water inlet of the heat exchange pipe of the second shell-and-tube heat exchanger through a second water pipe, a water outlet of the heat exchange pipe of the second shell-and-tube heat exchanger is connected with a third water pipe, a water outlet of the third water pipe is connected with a;
the water outlet of the heating water return pipe is connected with the shell water inlet of the first shell-and-tube heat exchanger, the shell water outlet of the first shell-and-tube heat exchanger is connected with the condenser inlet of the first water source heat pump through a fourth water pipe, the condenser outlet of the first water source heat pump is connected with a fifth water pipe, the outlet of the fifth water pipe is connected with the water inlet of the heating water supply pipe, the shell water inlet of the second shell-and-tube heat exchanger is connected with the evaporator outlet of the first water source heat pump through a sixth water pipe, and the shell water outlet of the second shell-and-tube heat exchanger is connected with the evaporator inlet of the first water source heat pump through.
The water-heating system is characterized by further comprising a second water source heat pump, wherein an evaporator inlet of the second water source heat pump is connected with an outlet of the third water pipe, an evaporator outlet of the second water source heat pump is connected with an inlet of the recharging pipe, a condenser inlet of the second water source heat pump is connected with an outlet of the fifth water pipe, and a condenser outlet of the second water source heat pump is connected with an inlet of the heating water supply pipe.
The water pumping pipe is provided with a first valve adjacent to the precipitation filter, a back flushing pipe is arranged between the water pumping pipe and the first water pipe, the inlet of the back flushing pipe is connected to the water pumping pipe between the first valve and the water pumping pump, the back flushing pipe is provided with a second valve, the upper portion of the precipitation filter is connected with a back flushing blow-off pipe, the back flushing blow-off pipe is provided with a first sewage discharge valve, the first water pipe is provided with a third valve adjacent to the first shell-and-tube heat exchanger, the first water pipe is connected with a positive flushing blow-off pipe at a position between the third valve and the precipitation filter, and the positive flushing blow-off pipe is provided with a second blow-off valve.
A heating circulating pump is arranged on the heating water return pipe.
And a heat exchange circulating pump is arranged on the sixth water pipe.
When the temperature of the geothermal water is further utilized, the geothermal water directly enters the evaporator of the second water source heat pump through the third water pipe, and is finally subjected to heat exchange with the backwater entering the condenser of the second water source heat pump, and finally, the geothermal water is subjected to heat exchange with the backwater entering the condenser of the second water source heat pump, and the temperature of the geothermal water is controlled to be lower than that of a pumping water pumping and recharging well through a frequency conversion heat pump, so that a pumping water temperature sensor for controlling the pumping water temperature of the pumping water is used for controlling the pumping water recharging temperature of the pumping water recharging well through a frequency conversion heat exchanger, a frequency conversion heat pump for controlling the pumping water recharging temperature of the pumping water recharging well is used for controlling the pumping water recharging temperature of the pumping water recharging well to be lower than that of a pumping water recharging well, a frequency conversion heat pump for controlling the pumping water recharging heat pump for a pumping water temperature sensor for a pumping water source heat pump, a pumping water recharging well, a pumping water temperature sensor for controlling the pumping water recharging well, a pumping water recharging well temperature sensor for controlling the pumping water recharging well, a pumping water recharging well for controlling water recharging well temperature sensor for controlling water recharging well temperature of a pumping water recharging well, a pumping water recharging well for controlling well, a pumping water recharging well for controlling well, a pumping water recharging well for controlling well temperature of a pumping water recharging well for controlling well temperature of a pumping water recharging well head for controlling well head for controlling well, a well for controlling well head for controlling well.
The utility model discloses well sediment filter need carry out the back flush to the inside filter screen (or filter core) of sediment filter after long-time filtering operation, at this moment, close first valve and third valve, open second valve and first blowdown valve, start the suction pump, geothermal water pours into the sediment filter into by the clear water export of sediment filter after through drinking-water pipe, backwash pipe in, carries out the back flush to the inside filter screen (or filter core) of sediment filter, and the inside debris of sediment filter are discharged by the back flush blow off pipe. After the back washing is finished, the first valve and the second blowdown valve are opened, the second valve and the first blowdown valve are closed, the water suction pump is started, geothermal water enters the sedimentation filter through the water suction pipe, the pipeline at the lower part of the just-back-washed sedimentation filter is cleaned through the filter screen (or the filter element) in the forward direction, and sewage is discharged through the forward washing blowdown pipe. And during normal filtering operation, the first valve and the third valve are opened, and the second valve, the first sewage discharge valve and the second sewage discharge valve are closed.
To sum up, the utility model discloses the principle science, the modern design both fully carries out geothermal water and carries out the heat utilization to reduce geothermal water's utilization cost, will filter geothermal water of taking out earlier moreover, avoid the jam of pipeline, still set up the back flush pipeline to sediment filter, the practicality is strong, and market prospect is wide, easily popularizes and applies.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
As shown in figure 1, the geothermal well heat full utilization and recharge system of the utility model comprises a water pump 1, a precipitation filter 2, a first shell-and-tube heat exchanger 3, a second shell-and-tube heat exchanger 4, a first water source heat pump 5 and a second water source heat pump 20, wherein the water pump 1 is arranged under the water surface of a geothermal well 6, a water outlet of the water pump 1 is connected with a water inlet of the precipitation filter 2 through a water pumping pipe 7, a water outlet of the precipitation filter 2 is connected with a water inlet of a heat exchange pipe of the first shell-and-tube heat exchanger 3 through a first water pipe 8, a water outlet of the heat exchange pipe of the first shell-and-tube heat exchanger 3 is connected with a water inlet of the heat exchange pipe of the second shell-and-tube heat exchanger 4 through a second water pipe 9, a water outlet of the heat exchange pipe of the second shell-and-tube heat exchanger 4 is connected with a, the outlet of the recharging pipe 11 extends into the recharging well 13 and is sealed at the wellhead of the recharging well 13;
the water outlet of the heating water return pipe 14 is connected with the shell water inlet of the first shell-and-tube heat exchanger 3, the shell water outlet of the first shell-and-tube heat exchanger 3 is connected with the condenser inlet of the first water source heat pump 5 through the fourth water pipe 15, the condenser outlet of the first water source heat pump 5 is connected with the fifth water pipe 16, the outlet of the fifth water pipe 16 is connected with the water inlet of the heating water supply pipe 17, the shell water inlet of the second shell-and-tube heat exchanger 4 is connected with the evaporator outlet of the first water source heat pump 5 through the sixth water pipe 18, and the shell water outlet of the second shell-and-tube heat exchanger 4 is connected with the evaporator inlet of the first water source heat pump 5 through the seventh.
An evaporator inlet of the second water source heat pump 20 is connected with an outlet of the third water pipe 10, an evaporator outlet of the second water source heat pump 20 is connected with an inlet of the recharging pipe 11, a condenser inlet of the second water source heat pump 20 is connected with an outlet of the fifth water pipe 16, and a condenser outlet of the second water source heat pump 20 is connected with an inlet of the heating water supply pipe 17.
A first valve 21 adjacent to the sedimentation filter 2 is arranged on the water pumping pipe 7, a back flushing pipe 22 is arranged between the water pumping pipe 7 and the first water pipe 8, the inlet of the back flushing pipe 22 is connected to the water pumping pipe 7 between the first valve 21 and the water pumping pump 1, a second valve 23 is arranged on the back flushing pipe 22, a back flushing sewage discharge pipe 24 is connected to the upper part of the sedimentation filter 2, a first sewage discharge valve 25 is arranged on the back flushing sewage discharge pipe 24, a third valve 26 adjacent to the first shell-and-tube heat exchanger 3 is arranged on the first water pipe 8, a forward flushing sewage discharge pipe 27 is connected to the position between the third valve 26 and the sedimentation filter 2 on the first water pipe 8, and a second sewage discharge valve 28 is arranged on the forward flushing sewage discharge pipe 27.
The heating water return pipe 14 is provided with a heating circulation pump 29.
The sixth water pipe 18 is provided with a heat exchange circulation pump 30.
The working process of the utility model is that the water pump 1 pumps out hot water in the geothermal well 6, the hot water enters the precipitation filter 2 through the water pumping pipe 7, the hot water is discharged through the first water pipe 8 after being subjected to multiple filtration of the precipitation filter 2, then the hot water enters the heat exchange pipe in the first shell-and-tube heat exchanger 3, the hot water exchanges heat with the heating backwater in the shell of the first shell-and-tube heat exchanger 3 through the second water pipe 9, the heating backwater enters the condenser of the first water source heat pump 5 through the fourth water pipe 15 after being heated through heat exchange in the first shell-and-tube heat exchanger 3, the circulating water in the evaporator of the first water source heat pump 5 enters the shell of the second shell-and-tube heat exchanger 4, the hot water exchanges heat with the geothermal water introduced into the heat exchange pipe of the second shell-and-tube heat exchanger 4, the heat energy of the geothermal water is absorbed to heat the condenser of the first water source heat pump 5, the geothermal water heats up, in order to further utilize the geothermal water pumping heat energy of the geothermal water pumping heat pump 10 to directly enter the evaporator of the second water source heat pump 20, the evaporator, the geothermal water pump, the geothermal water pumping heat pump and the condenser after entering the second water pumping heat exchanger, the condenser, the last temperature control signal of the heat exchanger, the last temperature sensor, the temperature of the high frequency conversion heat exchanger is reached a temperature sensor, the temperature control of the high frequency conversion heat pump, the temperature control heat pump, the high frequency conversion heat pump 3, the temperature control heat pump 3 is reached the temperature control heat pump, the temperature control heat pump is reached the temperature control of the temperature control heat pump, the temperature control heat pump.
The utility model discloses well sediment filter 2 is after long-time filtering operation, need carry out the back flush to the inside filter screen (or filter core) of sediment filter 2, at this moment, close first valve 21 and third valve 26, open second valve 23 and first blowoff valve 25, start suction pump 1, geothermal water passes through drinking-water pipe 7, pour into sediment filter 2 into by sediment filter 2's clear water export behind the backwash pipe 22 in, carry out the back flush to the inside filter screen (or filter core) of sediment filter 2, the inside debris of sediment filter 2 is discharged by back flush blow off pipe 24. After the back washing is finished, the first valve 21 and the second blowoff valve 28 are opened, the second valve 23 and the first blowoff valve 25 are closed, the water suction pump 1 is started, geothermal water enters the sedimentation filter 2 through the water suction pipe 7, the pipeline at the lower part of the sedimentation filter 2 which is just back washed is positively cleaned through a filter screen (or a filter element), and sewage is discharged through the positive washing blowoff pipe 27. In normal filtering operation, the first and third valves 21 and 26 are opened, and the second and third valves 23 and 25 and 28 are closed.
The utility model provides a suction pump 1, sediment filter 2, first shell and tube type heat exchanger 3, second shell and tube type heat exchanger 4, first water source heat pump 5, second water source heat pump 20, heating circulating pump 29 and heat transfer circulating pump 30 all can purchase on market, for ripe technique, concrete structure is no longer repeated.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.
Claims (5)
1. Geothermal well heat make full use of and recharge system, its characterized in that: the system comprises a water suction pump, a precipitation filter, a first shell-and-tube heat exchanger, a second shell-and-tube heat exchanger and a first water source heat pump, wherein the water suction pump is arranged under the water surface of a geothermal well, a water outlet of the water suction pump is connected with a water inlet of the precipitation filter through a water suction pipe, a water outlet of the precipitation filter is connected with a water inlet of a heat exchange pipe of the first shell-and-tube heat exchanger through a first water pipe, a water outlet of the heat exchange pipe of the first shell-and-tube heat exchanger is connected with a water inlet of the heat exchange pipe of the second shell-and-tube heat exchanger through a second water pipe, a water outlet of the heat exchange pipe of the second shell-and-tube heat exchanger is connected with a third water pipe, a water outlet of the third water pipe;
the water outlet of the heating water return pipe is connected with the shell water inlet of the first shell-and-tube heat exchanger, the shell water outlet of the first shell-and-tube heat exchanger is connected with the condenser inlet of the first water source heat pump through a fourth water pipe, the condenser outlet of the first water source heat pump is connected with a fifth water pipe, the outlet of the fifth water pipe is connected with the water inlet of the heating water supply pipe, the shell water inlet of the second shell-and-tube heat exchanger is connected with the evaporator outlet of the first water source heat pump through a sixth water pipe, and the shell water outlet of the second shell-and-tube heat exchanger is connected with the evaporator inlet of the first water source heat pump through.
2. The geothermal well heat energy utilization and recharging system according to claim 1, wherein: the water-heating system is characterized by further comprising a second water source heat pump, wherein an evaporator inlet of the second water source heat pump is connected with an outlet of the third water pipe, an evaporator outlet of the second water source heat pump is connected with an inlet of the recharging pipe, a condenser inlet of the second water source heat pump is connected with an outlet of the fifth water pipe, and a condenser outlet of the second water source heat pump is connected with an inlet of the heating water supply pipe.
3. The geothermal well heat energy utilization and recharging system according to claim 1 or 2, wherein: the water pumping pipe is provided with a first valve adjacent to the precipitation filter, a back flushing pipe is arranged between the water pumping pipe and the first water pipe, the inlet of the back flushing pipe is connected to the water pumping pipe between the first valve and the water pumping pump, the back flushing pipe is provided with a second valve, the upper portion of the precipitation filter is connected with a back flushing blow-off pipe, the back flushing blow-off pipe is provided with a first sewage discharge valve, the first water pipe is provided with a third valve adjacent to the first shell-and-tube heat exchanger, the first water pipe is connected with a positive flushing blow-off pipe at a position between the third valve and the precipitation filter, and the positive flushing blow-off pipe is provided with a second blow-off valve.
4. The geothermal well heat energy utilization and recharging system according to claim 1 or 2, wherein: a heating circulating pump is arranged on the heating water return pipe.
5. The geothermal well heat energy utilization and recharging system according to claim 1 or 2, wherein: and a heat exchange circulating pump is arranged on the sixth water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922210803.0U CN211146943U (en) | 2019-12-11 | 2019-12-11 | Geothermal well heat make full use of and recharge system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922210803.0U CN211146943U (en) | 2019-12-11 | 2019-12-11 | Geothermal well heat make full use of and recharge system |
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| CN211146943U true CN211146943U (en) | 2020-07-31 |
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| CN201922210803.0U Active CN211146943U (en) | 2019-12-11 | 2019-12-11 | Geothermal well heat make full use of and recharge system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113003737A (en) * | 2021-03-04 | 2021-06-22 | 中核华西地矿科技有限公司 | Geothermal fluid descaling and scale prevention integrated system |
| RU2804793C1 (en) * | 2023-03-16 | 2023-10-05 | Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский Томский политехнический университет" | Geothermal power supply plant |
-
2019
- 2019-12-11 CN CN201922210803.0U patent/CN211146943U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113003737A (en) * | 2021-03-04 | 2021-06-22 | 中核华西地矿科技有限公司 | Geothermal fluid descaling and scale prevention integrated system |
| RU2804793C1 (en) * | 2023-03-16 | 2023-10-05 | Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский Томский политехнический университет" | Geothermal power supply plant |
| RU2810329C1 (en) * | 2023-08-24 | 2023-12-26 | Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский Томский политехнический университет" | Geothermal power supply plant |
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Effective date of registration: 20240123 Address after: 1103, 1st Floor, Zone E, Xianning Industrial Park, No. 8 Shuangqiao Road, Guanzhuang, Chaoyang District, Beijing, 100000 Patentee after: Beijing Zhongyingyuan Technology Co.,Ltd. Country or region after: China Address before: 450000 No.11, building 55, Ruhe Road residential district, Zhongyuan District, Zhengzhou City, Henan Province Patentee before: Yuan Jinguo Country or region before: China |