CN109764566A - Strengthen balance method in ground heat exchanger temperature field - Google Patents
Strengthen balance method in ground heat exchanger temperature field Download PDFInfo
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- CN109764566A CN109764566A CN201910043661.5A CN201910043661A CN109764566A CN 109764566 A CN109764566 A CN 109764566A CN 201910043661 A CN201910043661 A CN 201910043661A CN 109764566 A CN109764566 A CN 109764566A
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- heat exchanger
- buried
- well
- temperature field
- ground heat
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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 invention discloses a kind of ground heat exchanger temperature fields to strengthen balance method, includes the following steps: for buried heat exchanger to be buried in the earth；Pumped well is bored along underground water downflow direction in the buried heat exchanger；In the buried heater that changes along the several inverted wells of underground water upstream direction setting；Water in pumped well is pumped into inverted well；With the above mentioned technical proposal, compared with prior art, the present invention is by adjustably descending Rock And Soil water flow to force runoff, the heat transmitting of soil water flow is set to add natural convection to become forced convertion state from original heat transfer, largely improve the ability of the transmitting heat of strong soil and ground heat exchanger, make ground heat exchanger temperature field in a manner of original heat transfer by heat conduction based on become based on heat convection mode, strengthen the heating conduction of rock-soil layer, expand the accumulation of energy radius in underground pipe temperature field, enhance the thermal energy Regulation capacity and thermal capacitance of rock-soil layer around underground pipe.
Description
Technical field
The invention belongs to underground heat technical fields more particularly to a kind of ground heat exchanger temperature field to strengthen balance method.
Background technique
The design of existing ground heat exchanger is all to calculate ground heat exchanger according to the hot physical property of original Rock And Soil
Heat transfer temperature field and heat exchange amount, so that it is determined that the quantity of ground heat exchanger.The transmitting of ground heat exchanger temperature field surrounding heat
Based in a manner of conduction heat transfer, heat radius of regulating and storing in underground buried tube temperature field is generally fixed to 0-3 meters of range.Make underground buried tube
Occupied area often require that it is relatively large, underground pipe quantity also can relatively it is more, cause the investment of buried pipe heat exchange system almost to account for
To 1/3 or more of entire soil source heat pump system gross investment, the investment cost of traditional air conditioner Cooling and Heat Source is substantially exceeded, soil is become
The bottleneck or pain spot of source heat pump large-scale promotion.
Summary of the invention
In view of the deficiencies of the prior art, the invention solves the subproblems in background technique.
To solve the above-mentioned problems, the present invention provides a kind of ground heat exchanger temperature fields to strengthen balance method, including
Following steps: buried heat exchanger is buried in the earth；Pumped well is bored along underground water downflow direction in the buried heat exchanger；Described
The buried heater that changes is along the several inverted wells of underground water upstream direction setting；Water in pumped well is pumped into inverted well.
In some embodiments, pumped well is bored along underground water downflow direction in the buried heat exchanger, further includes the pumping
Well depth is identical with ground heat exchanger depth.
In some embodiments, pumped well is bored along underground water downflow direction in the buried heat exchanger, further includes pumped well
With the groundwater abstraction that immersible pump is gentle, pump-out is until being extracted into sand.
In some embodiments, the buried heat exchanger along underground water downflow direction at least provided with a pumped well, in order to
Meet the requirements of installation space of immersible pump in pumped well, the bore of pumped well should be not less than 300mm.
In some embodiments, the buried heat exchanger is along underground water upstream direction at least provided with two inverted wells, Cheng Jing
Needed for construction technology and the installation of recharge pipe, the bore of each inverted well is not less than 150mm.
In some embodiments, solar energy water, remaining hot water or geothermal tail water are delivered in inverted well.
By adopting the above-described technical solution, compared with prior art, the present invention is by adjustably descending Rock And Soil water flow
Runoff is forced, makes the heat transmitting of soil water flow add natural convection to become forced convertion state from original heat transfer, largely
The ability for improving the transmitting heat of strong soil and ground heat exchanger, passes ground heat exchanger temperature field with original heat transfer
Become the heating conduction for strengthening rock-soil layer based on heat convection mode based on hot mode, expands the accumulation of energy half in underground pipe temperature field
Diameter enhances the thermal energy Regulation capacity and thermal capacitance of rock-soil layer around underground pipe, to increase the heat-energy transducer of ground heat exchanger
Power reduces ground heat exchanger quantity, reduces the initial outlay of soil source heat pump ground heat exchanger part.
Detailed description of the invention:
Fig. 1 is the embodiment of the present invention schematic diagram.
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be noted that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
Embodiment: as shown in Figure 1, present embodiments providing a kind of ground heat exchanger temperature field reinforcing balance method, packet
It includes following steps: buried heat exchanger is buried in the earth；Pumped well is bored along underground water downflow direction in the buried heat exchanger；Institute
The buried heater that changes is stated along the several inverted wells of underground water upstream direction setting；Water in pumped well is pumped into inverted well.
In some specific embodiments of the present embodiment, draw water in the buried heat exchanger along underground water downflow direction brill
Well further includes that the well depth of drawing water is identical with ground heat exchanger depth.
In some specific embodiments of the present embodiment, draw water in the buried heat exchanger along underground water downflow direction brill
Well further includes that the gentle groundwater abstraction of pumped well immersible pump, pump-out is until being extracted into sand.
In some specific embodiments of the present embodiment, the buried heat exchanger along underground water downflow direction at least provided with
One pumped well, in order to meet the requirements of installation space of immersible pump in pumped well, the bore of pumped well should be not less than 300mm.
In some specific embodiments of the present embodiment, the buried heat exchanger along underground water upstream direction at least provided with
Two inverted wells, at needed for well construction technique and the installation of recharge pipe, the bore of each inverted well is not less than 150mm.
In some specific embodiments of the present embodiment, solar energy water, remaining hot water or geothermal tail water are delivered to recharge
In well.
In some specific embodiments of the present embodiment,
(1) pumped well is bored in ground heat exchanger temperature field areas, depth is identical with ground heat exchanger depth.Pumped well
With the groundwater abstraction that immersible pump is gentle, pump-out is not to go out sand for principle in water.Within the scope of ground heat exchanger temperature field
Several small-bore inverted wells are arranged in the runoff upstream region of water, and the underground water of extraction is all continued to recharge into inverted well.This
Sample just enhances the flow velocity of ground heat exchanger temperature field groundwater flow, reduces the heat exchange heat on ground heat exchanger periphery
Resistance, enhances rock-soil layer exchange capability of heat around ground heat exchanger, while underground pipe accumulation of heat range has also been enlarged, enhances buried
The Regulation capacity and thermal capacitance of heat exchange of heat pipe heat.
(2) artificially inverted well and pumped well can be according to groundwater resources knots in reinforcing ground heat exchanger temperature field system
Pumped well and the inverted well setting for closing groundwater heat pumps, strengthen the unit exchange capability of heat of ground heat exchanger, and then subtract
The design quantity of few ground heat exchanger, to reduce the artificial investment cost for strengthening ground heat exchanger temperature field system.
(3) artificially strengthen ground heat exchanger temperature field system core inverted well and the water of pumped well, depth and
With at a distance from ground heat exchanger according to local initial soil hot physical property, underground water characteristic and ground heat exchanger it is optimal
Economy determines.
(4) temperature for artificially strengthening recharge well water in ground heat exchanger temperature field system is freezed in summer soil source heat pump
When can be according to local resources situation using the low water (well water, river water, rainwater etc.) of temperature, when soil source heat pump heats in winter
The water (solar energy water, remaining hot water, geothermal tail water etc.) that temperature can be used high, not only can enhance ground heat exchanger temperature
The storage capacity for spending field can also improve soil source heat pump operational efficiency, reduce systematic running cost and use, play energy-saving work
With.
Preferred embodiment of the invention is described in detail in conjunction with attached drawing above, still, the present invention is not limited to above-mentioned embodiment party
Detail in formula can carry out a variety of simple changes to technical solution of the present invention within the scope of the technical concept of the present invention
Type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, it is of the invention it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (6)
1. balance method is strengthened in a kind of ground heat exchanger temperature field, it is characterised in that include the following steps:
Buried heat exchanger is buried in the earth；
Pumped well is bored along underground water downflow direction in the buried heat exchanger；
In the buried heater that changes along the several inverted wells of underground water upstream direction setting；
Water in pumped well is pumped into inverted well.
2. balance method is strengthened in ground heat exchanger temperature field according to claim 1, it is characterised in that: described buried
Heat exchanger bores pumped well along underground water downflow direction, further includes that the well depth of drawing water is identical with ground heat exchanger depth.
3. balance method is strengthened in ground heat exchanger temperature field according to claim 2, it is characterised in that: described buried
Heat exchanger along underground water downflow direction bore pumped well, further include the gentle groundwater abstraction of pumped well immersible pump, pump-out with
Until being extracted into sand.
4. balance method is strengthened in ground heat exchanger temperature field according to claim 3, it is characterised in that: described buried to change
Hot device along underground water downflow direction at least provided with a pumped well, in order to meet the requirements of installation space of immersible pump in pumped well,
The bore of pumped well should be not less than 300mm.
5. balance method is strengthened in ground heat exchanger temperature field according to claim 4, it is characterised in that: described buried to change
Hot device is along underground water upstream direction at least provided with two inverted wells, needed for installing at well construction technique and recharge pipe, each recharge
The bore of well is not less than 150mm.
6. balance method is strengthened in ground heat exchanger temperature field described in -5 according to claim 1, it is characterised in that: by solar energy
Water, remaining hot water or geothermal tail water are delivered in inverted well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910043661.5A CN109764566A (en) | 2019-01-17 | 2019-01-17 | Strengthen balance method in ground heat exchanger temperature field |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910043661.5A CN109764566A (en) | 2019-01-17 | 2019-01-17 | Strengthen balance method in ground heat exchanger temperature field |
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| Publication Number | Publication Date |
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| CN109764566A true CN109764566A (en) | 2019-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910043661.5A Pending CN109764566A (en) | 2019-01-17 | 2019-01-17 | Strengthen balance method in ground heat exchanger temperature field |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567176A (en) * | 2019-09-11 | 2019-12-13 | 吴镇宇 | method for developing geothermal energy by using old well |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202466683U (en) * | 2012-03-05 | 2012-10-03 | 江苏劳特斯机电设备工程有限公司 | Recharging system of water taking and energy storage of underground water bearing layer |
| CN103822403A (en) * | 2014-02-19 | 2014-05-28 | 潍坊市星河地下水热资源开发科技有限公司 | Closed automatic adjustment full recharge system with ground water-source heat pumps and group wells |
| CN105865085A (en) * | 2016-03-28 | 2016-08-17 | 天津城建大学 | Coupled saline water layer forced convection well type ground-source heat pump system and operation method |
| CN205897397U (en) * | 2016-06-17 | 2017-01-18 | 杭州滨创能源科技有限公司 | Water source cooling ventilation system that green house used |
| KR20180110358A (en) * | 2017-03-29 | 2018-10-10 | (주) 앤씨티 | Tube well heat getting system and double water-film house facilities using thereof |
-
2019
- 2019-01-17 CN CN201910043661.5A patent/CN109764566A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202466683U (en) * | 2012-03-05 | 2012-10-03 | 江苏劳特斯机电设备工程有限公司 | Recharging system of water taking and energy storage of underground water bearing layer |
| CN103822403A (en) * | 2014-02-19 | 2014-05-28 | 潍坊市星河地下水热资源开发科技有限公司 | Closed automatic adjustment full recharge system with ground water-source heat pumps and group wells |
| CN105865085A (en) * | 2016-03-28 | 2016-08-17 | 天津城建大学 | Coupled saline water layer forced convection well type ground-source heat pump system and operation method |
| CN205897397U (en) * | 2016-06-17 | 2017-01-18 | 杭州滨创能源科技有限公司 | Water source cooling ventilation system that green house used |
| KR20180110358A (en) * | 2017-03-29 | 2018-10-10 | (주) 앤씨티 | Tube well heat getting system and double water-film house facilities using thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567176A (en) * | 2019-09-11 | 2019-12-13 | 吴镇宇 | method for developing geothermal energy by using old well |
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