CN108612152B - Method for artificially enhancing shallow geothermal energy of underdrain - Google Patents
Method for artificially enhancing shallow geothermal energy of underdrain Download PDFInfo
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- CN108612152B CN108612152B CN201710030445.8A CN201710030445A CN108612152B CN 108612152 B CN108612152 B CN 108612152B CN 201710030445 A CN201710030445 A CN 201710030445A CN 108612152 B CN108612152 B CN 108612152B
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- filling
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- gravels
- inclination angle
- certain inclination
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/06—Methods or installations for obtaining or collecting drinking water or tap water from underground
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/06—Methods or installations for obtaining or collecting drinking water or tap water from underground
- E03B3/08—Obtaining and confining water by means of wells
- E03B3/12—Obtaining and confining water by means of wells by means of vertical pipe wells
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/06—Methods or installations for obtaining or collecting drinking water or tap water from underground
- E03B3/08—Obtaining and confining water by means of wells
- E03B3/16—Component parts of wells
- E03B3/18—Well filters
- E03B3/24—Well filters formed of loose materials, e.g. gravel
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Earth Drilling (AREA)
Abstract
A method for artificially enhancing shallow geothermal energy of an underdrain is characterized by comprising the following steps: firstly, vertically excavating to a target layer, placing a well pipe at the center position, filling boulders and gravels at the bottommost layer, expanding holes according to a certain inclination angle when in the upper layer, and filling the gravels and the gravels; reaming according to a certain inclination angle when the upper layer is formed, and filling pebbles and coarse sand; expanding the hole upwards according to a certain inclination angle, and filling coarse sand and fine sand; reaming and filling miscellaneous soil; and filling planting soil on the surface close to the ground layer, putting a geothermal submersible pump in the well pipe, and extracting the gathered shallow geothermal water. The technology belongs to a shallow geothermal system, and the water permeable sectional area is artificially enhanced, so that the hydrogeological conditions of the area are locally improved, and the water collection amount of underground water is increased. Aiming at the existing geological conditions, the invention artificially reforms the geological conditions of the stratum water level, constructs a water guide channel meeting the requirements through manual design, and leads the underground water to reach the required hydrogeological condition requirement standard. The method is suitable for geological condition areas with shallow aquifers and thin groundwater runoff speed.
Description
Technical Field
The technology belongs to a shallow geothermal system, and the water permeable sectional area is artificially enhanced, so that the hydrogeological conditions of the area are locally improved, and the water collection amount of underground water is increased.
Background
In the area where the water level geological condition is special, the aquifer is thin, the radial flow rate of underground water is high, the water yield of a single well cannot meet the requirement, but the available amount of underground water in the stratum is still sufficient, the technology is considered to be adopted.
Disclosure of Invention
Aiming at the existing geological conditions, the invention artificially reforms the geological conditions of the stratum water level, constructs a water guide channel meeting the requirements through manual design, and leads the underground water to reach the required hydrogeological condition requirement standard. The technology is suitable for geological condition areas with shallow aquifers and high groundwater runoff speed. The area with a thinner aquifer and a higher groundwater radial flow speed but sufficient groundwater availability in the stratum is selected on the region. Firstly, vertically excavating to a target layer, placing a well pipe at the center position, filling boulders and gravels at the bottommost layer, expanding holes according to a certain inclination angle when in the upper layer, and filling the gravels and the gravels; reaming according to a certain inclination angle when the upper layer is formed, and filling pebbles and coarse sand; expanding the hole upwards according to a certain inclination angle, and filling coarse sand and fine sand; reaming and filling miscellaneous soil; and filling planting soil to the surface close to the ground layer. And (4) putting a geothermal submersible pump into the well pipe, and extracting the collected shallow geothermal water to increase the water collection amount of the shallow geothermal water.
The technical scheme of the invention is as follows:
the underground water storage and transportation environment capable of being exploited and utilized is created by arranging the artificial reinforced underdrains on the underground water runoff channel. The water collection amount of the underground water is increased.
Drawings
FIG. 1 is a flow chart of an artificially enhanced underdrain shallow geothermal system
1 is filling planting soil; 2 is filling miscellaneous soil; 3, filling coarse sand and fine sand; 4 filling pebbles and coarse sand; 5 filling gravels and pebbles; 6 filling boulders and gravels; and 7 is a well pipe.
FIG. 2 is a cross-sectional view of an artificially enhanced underdrain shallow geothermal system
7 is a well pipe: and 8 is a 1# section line: and 9 is a section line 2 #.
Detailed Description
The construction relationship of the artificial reinforced underdrain shallow geothermal system is as follows:
FIG. 1 System flow diagram: the area with a thinner aquifer and a higher groundwater radial flow speed but sufficient groundwater availability in the stratum is selected on the region. Firstly, vertically excavating to a target layer, placing a well pipe 7 at the center position, filling boulders 6 and gravels at the bottommost layer, expanding holes according to a certain inclination angle when in the upper layer, and filling gravels 5 and pebbles; reaming according to a certain inclination angle when the upper layer is formed again, and filling pebbles 4 and coarse sand; then, expanding the hole upwards according to a certain inclination angle, and filling coarse sand 3 and fine sand; reaming and filling the soil 2; and filling planting soil 1 to the surface close to the ground layer. And a geothermal submersible pump is arranged in the well pipe 7, and the collected shallow geothermal water is extracted to increase the water collection amount of the shallow geothermal water.
FIG. 2 is a cross-sectional view of the system: 7 is a well pipe: and 8 is a 1# section line: and 9 is a section line 2 #. 8 and 9 represent two hatching lines forming a straight line showing the well bore size.
The method for artificially enhancing the underdrain shallow geothermal system has the following advantages:
1. flexibility: by changing and breaking through the construction process, the occupied site of construction is reduced, and the water collection amount is controlled or increased according to the requirements of users.
2. Energy conservation: the resources are fully utilized, and measures of energy conservation and emission reduction are fully responded.
Claims (1)
1. A method for artificially enhancing shallow geothermal energy of an underdrain is characterized by comprising the following steps: firstly, vertically excavating to a target layer, placing a well pipe (7) at the center position, filling boulders and gravels at the bottommost layer, expanding holes according to a certain inclination angle when in the upper layer, and filling the gravels and the gravels; reaming according to a certain inclination angle when the upper layer is formed, and filling pebbles and coarse sand; expanding the hole upwards according to a certain inclination angle, and filling coarse sand and fine sand; expanding holes and filling sundry soil (2); and filling planting soil (1) on the surface close to the ground layer, putting a geothermal submersible pump in the well pipe (7), and extracting the gathered shallow geothermal water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710030445.8A CN108612152B (en) | 2017-01-17 | 2017-01-17 | Method for artificially enhancing shallow geothermal energy of underdrain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710030445.8A CN108612152B (en) | 2017-01-17 | 2017-01-17 | Method for artificially enhancing shallow geothermal energy of underdrain |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108612152A CN108612152A (en) | 2018-10-02 |
| CN108612152B true CN108612152B (en) | 2020-06-30 |
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ID=63658113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710030445.8A Active CN108612152B (en) | 2017-01-17 | 2017-01-17 | Method for artificially enhancing shallow geothermal energy of underdrain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108612152B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3531547A1 (en) * | 1985-09-04 | 1987-03-05 | Ortlam Soester Ferun | Method for extracting water from ground water-bearing strata, and design of a well for implementing this method |
| CN1034344A (en) * | 1988-04-12 | 1989-08-02 | 王永泽 | Cyclic water-saving dust-flushing field |
| CN200946286Y (en) * | 2005-08-25 | 2007-09-12 | 施新 | River water-fetching device |
| CN103104219B (en) * | 2011-11-14 | 2015-08-19 | 国惠环保新能源有限公司 | Utilize and draw back with layer equivalent original place the method that well group draws underground heat energy |
| JP2014009567A (en) * | 2012-07-03 | 2014-01-20 | Nagaoka International Corp | Clogging removal device for infiltration gallery |
| CN105369852B (en) * | 2015-12-09 | 2017-06-06 | 中泰国际高新技术有限公司 | A kind of sunk type collection water permeable device |
-
2017
- 2017-01-17 CN CN201710030445.8A patent/CN108612152B/en active Active
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| Publication number | Publication date |
|---|---|
| CN108612152A (en) | 2018-10-02 |
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Address after: Room 1201, 1202, 1203 and 1206, 12 / F, Yizhong building, 75 qilihan Road, Zhengzhou area (Zhengdong), Henan pilot Free Trade Zone, Zhengzhou City, Henan Province, 450000 Patentee after: Wanjiang New Energy Group Co.,Ltd. Address before: 472000 11 / F, block a, chamber of Commerce building, Sanmenxia City, Henan Province Patentee before: HENAN WANJIANG NEW ENERGY DEVELOPMENT Co.,Ltd. |
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Address after: 450000 No. 601, block B, Financial Plaza, No. 180, Huaxia Avenue, Zhengzhou Airport Economic Comprehensive Experimental Zone, Zhengzhou City, Henan Province Patentee after: Wanjiang New Energy Co.,Ltd. Address before: Room 1201, 1202, 1203 and 1206, 12 / F, Yizhong building, 75 qilihan Road, Zhengzhou area (Zhengdong), Henan pilot Free Trade Zone, Zhengzhou City, Henan Province, 450000 Patentee before: Wanjiang New Energy Group Co.,Ltd. |