CN105352003A - Enhanced geothermal energy heat supply system - Google Patents
Enhanced geothermal energy heat supply system Download PDFInfo
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- CN105352003A CN105352003A CN201510854301.5A CN201510854301A CN105352003A CN 105352003 A CN105352003 A CN 105352003A CN 201510854301 A CN201510854301 A CN 201510854301A CN 105352003 A CN105352003 A CN 105352003A
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Abstract
The embodiment of the invention discloses an enhanced geothermal energy heat supply system which comprises an underground heat exchanging system, an overground heat exchanging system, and an external recycling system, wherein the underground heat exchanging system is provided with an underground heat exchanger, a water outlet pipe and a water inlet pipe; the water outlet pipe and the water inlet pipe are connected with the overground heat exchanging system; heat enters the external recycling system through the overground heat exchanging system; heat is supplied to an overground building through the external recycling system. The cyclic medium of each of the underground heat exchanging system and the overground heat exchanging system is specially treated softened water. The enhanced geothermal energy heat supply system is provided with exclusive double geothermal energy heat exchanging systems, improves the heat exchanging efficiency, reduces application energy consumption, and is easy to construct, simple to operate, and low in cost.
Description
Technical field
The present invention relates to Building Environment and Equipment Engineering technical field, particularly a kind of enhancement mode heat-supply system based upon geothermal energy.
Background technology
Enhancement mode geothermal system is that general temperature is greater than 200 DEG C, the thousands of rice of buried depth, the inner high heat rock mass that there is not fluid or only have a small amount of underground fluid.The composition of this rock mass can alter a great deal, and the overwhelming majority has been that the middle acidity since Mesozoic Era invades Ren Yan, but also can be the metamorphic rock of Middle Cenozoic, or even the block sedimentary rock that thickness is huge.
Geothermal gradient, also known as " geothermic gradient " or " geothermal gradient ", refers to the growth rate that the formation temperature that the earth does not affect by atmospheric temperature increases with the degree of depth.Represent the parameter of earth interior non-uniform temperature distributed degrees.Different ground temperature Grad is different, and the temperature value of general buried depth more depths is higher.
Along with improving constantly of national economy, also increasing to the consumption of the energy, along with traditional energy utilizes insufficient, pollution that is that bring is also more and more serious, the cinder that such as coal burning produces and flue gas etc. can cause environmental pollution, therefore, in order to reduce environmental pollution, research and exploitation new forms of energy have become an important goal of sustainable development.In new forms of energy, the features such as the geothermal energy of earth interior is large owing to having reserves, pollution-free, are also exploited by people more and more and utilize.
At present, city shallow-layer heating system is confined to the exploitation of geothermal energy and utilization, utilizes the heat supply of monomer heat-exchange system, due to by monomer heat exchange area of heat-supply service restriction so that cause heating efficiency low, the power of consumption is large, and heating effect and stability are difficult to ensure.
Summary of the invention
Embodiments providing a kind of enhancement mode heat-supply system based upon geothermal energy, is one not groundwater abstraction, reduces the heating system that thermal losses also can promote power consumption greatly.
The embodiment of the invention discloses following technical scheme:
A kind of enhancement mode heat-supply system based upon geothermal energy, is characterized in that, it comprises earth tube heat exchanger, ground heat exchange series unifies external circulating system, wherein,
Described underground heat exchange system comprises outlet pipe and water inlet pipe, outlet pipe is connected with ground heat-exchange system with water inlet pipe, underground heat exchange system injects cyclic softening water by water inlet pipe, realizes earth tube heat exchanger and the heat exchange series exchange heat of unifying between external circulating system on the ground by recirculated water.
Earth tube heat exchanger is a closed circulatory system, and system comprises outlet pipe and water inlet pipe.Be that a metal outer wall by heat-exchange system is absorbed heat, then absorbed heat and the process circulated by recirculated water secondary.
Outlet pipe is connected with ground heat-exchange system with water inlet pipe.
Heat-exchange system comprises heat exchanger, circulating pump, small pump, filter, valve and automatic control cabinet on the ground.
Heat exchanger completes exchange heat hard in the recirculated water of outlet pipe, and outlet pipe is provided with small pump and water supply tank, and is provided with valve and filter, and recirculated water is by circulating pump inflow heat exchanger.
Heat-exchange system is connected with external circulating system on the ground, and heat is delivered to external buildings by outlet conduit or needs the place of heat supply by external circulating system, and after thermal loss, recirculated water connects heat-exchange system on the ground by water inlet pipe, additional heat.
A kind of enhancement mode heat-supply system based upon geothermal energy that embodiment of the present disclosure provides, utilize enhancement mode underground heat and geothermal gradient principle, in underground, underground heat exchange system is installed, under deep layer rock stratum, the recirculated water in heat exchanger can utilize the high temperature heat of deeper subsurface and on the ground heat exchange series unify between external circulating system and carry out exchange heat.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below.
The structural representation of a kind of enhancement mode heat-supply system based upon geothermal energy that accompanying drawing provides according to embodiment for the present invention;
Comprise in the accompanying drawings: 1, subterranean heat exchanger; 2, outlet pipe; 3, water inlet pipe; 4, valve; 5, small pump; 6, water supply tank; 7, heat exchanger; 8, filter; 9, terminal filter; 10, circulating pump; 11, outlet water at tail end pipe; 12, end water inlet pipe; 13, end small pump; 14, end water supply tank; 15, end valve; 16, end circulating pump; 17, automatic control cabinet; 18, external circulating system.
Detailed description of the invention
Ground heat exchanger 1 is located in enhancement mode underground heat rock stratum, softening recirculated water is injected ground heat exchanger 1 by water inlet pipe 3, outlet pipe 2 is provided with in ground heat exchanger 1, recirculated water connects heat exchanger 7 from outlet pipe 2 through valve 4, middle small pump 5 in parallel and water supply tank 6, and be provided with filter 8, flow into water inlet pipe 3 finally by circulating pump 10, enter ground heat exchanger 1, complete source part circulation.
The other end, recirculated water will be softened and inject end water supply tank 14, recirculated water is by end small pump 13, flow into end water inlet pipe 12, end circulating pump 16 is connected by heat exchanger 7, centre is provided with smears coordinate filter 9 and end valve 15, connects external circulating system 18 finally by outlet water at tail end pipe 11, completes end section circulation.
On the ground also comprise automatic control cabinet 17 in heat-exchange system, be used for control temperature and the water yield.
In addition, a kind of enhancement mode heat-supply system based upon geothermal energy provided by the invention also has following features:
(1) be generally suitable for, flexibility is high.Geothermal gradient is prevalent in the earth's crust, so the technical program is not by the restriction in territory, seedbed, ground, such as, comprises the natural energy sources such as soil, well water, lake, seawater; And the buried mode of heat exchanger can change, the enhancement mode heat-supply system based upon geothermal energy strong adaptability making this programme provide according to different landform region situations in ground heat exchanger system.In addition, the quantity of heat exchanger and the buried degree of depth can be determined according to the size of engineering project thermic load amount, suitably can increase the quantity of heat exchanger and the buried degree of depth to ensure that system has enough exchange capability of heat to meet the needs of engineering.
(2) stability is high, and security is good.Utilize geothermal energy resources by season, weather, the effect of natural conditions such as round the clock, stability is higher, and ground heat exchanger buried depth, in below ground 1000-5000 rice, has no effect to surface structures.
(3) renewable.Utilize geothermal energy for extraneous heat supply, do not consume any fossil resource, geothermal energy is supplemented at any time at earth interior.
(4) energy-conserving and environment-protective.Not pumping underground hot water, does not also use underground water, not polluted source, carries out cold and hot exchange, does not produce waste water,waste gas and industrial residue, and greatly can reduce power consumption, energy-conserving and environment-protective by means of only exchanger tube wall and subterranean strata.
(5) economy is high.Single hole area of heat-supply service is large, thus reduces drilling hole amount, saves construction cost; Heat-obtaining successful, reduces power consumption, saves operating cost.
Above-described embodiment of the present invention, does not form limiting the scope of the present invention.Any amendment done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. an enhancement mode heat-supply system based upon geothermal energy, is characterized in that, it comprises earth tube heat exchanger, ground heat exchange series unifies external circulating system.Wherein, described underground heat exchange system comprises subterranean heat exchanger, outlet pipe and water inlet pipe, outlet pipe is connected with the hot friendship system in ground with water inlet pipe, demineralized water is injected subterranean heat exchanger by water inlet pipe, utilizes recirculated water to realize earth tube heat exchanger and the on the ground heat exchange series exchange heat of unifying between external circulating system.
2. enhancement mode heat-supply system based upon geothermal energy according to claim 1, is characterized in that, earth tube heat exchanger is a closed circulatory system, and system comprises subterranean heat exchanger, outlet pipe and water inlet pipe.Subterranean heat exchanger metal outer wall is absorbed heat, then is absorbed heat by recirculated water secondary and circulate.
3. enhancement mode heat-supply system based upon geothermal energy according to claim 2, it is characterized in that, outlet pipe is connected with heat exchanger with water inlet pipe.
4. enhancement mode heat-supply system based upon geothermal energy according to claim 3, is characterized in that, outlet pipe is provided with small pump and water supply tank, and is provided with valve and filter, and recirculated water flows into subterranean heat exchanger by circulating pump.
5. enhancement mode heat-supply system based upon geothermal energy according to claim 4, it is characterized in that, heat exchanger hard by exchange heat in the recirculated water of outlet pipe, recirculated water arrives circulating pump by outlet pipe, recirculated water is pumped into heat exchanger by circulating pump, outlet pipe is provided with small pump and water supply tank, and is provided with valve and filter.
6. enhancement mode heat-supply system based upon geothermal energy according to claim 5, is characterized in that, heat-exchange system is connected with external circulating system on the ground.
7. enhancement mode heat-supply system based upon geothermal energy according to claim 6, it is characterized in that, heat is delivered to external buildings by outlet conduit or needs the place of heat supply, after thermal loss by external circulating system, recirculated water connects heat-exchange system on the ground by water inlet pipe, additional heat.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510854301.5A CN105352003A (en) | 2015-12-01 | 2015-12-01 | Enhanced geothermal energy heat supply system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510854301.5A CN105352003A (en) | 2015-12-01 | 2015-12-01 | Enhanced geothermal energy heat supply system |
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| CN105352003A true CN105352003A (en) | 2016-02-24 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605645A (en) * | 2016-02-26 | 2016-05-25 | 邢培奇 | Heating system of deep geothermal rock |
| CN108007000A (en) * | 2017-12-10 | 2018-05-08 | 梧州市国佳节能科技有限公司 | Ground heat recovery system |
| CN108035699A (en) * | 2017-11-27 | 2018-05-15 | 华南理工大学 | A kind of system and method using seabed geothermal energy in-situ retorting gas hydrates |
| CN109237585A (en) * | 2017-05-26 | 2019-01-18 | 山东陆海石油技术股份有限公司 | Heat exchange heating system in mid-deep strata geothermal well |
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| JP2001183030A (en) * | 1999-10-12 | 2001-07-06 | Kubota Corp | Geothermal sampling testing device |
| CN1451818A (en) * | 2002-04-12 | 2003-10-29 | 米砂瓦环境技术株式会社 | Snow melting device using geothermal energy |
| CN102226541A (en) * | 2011-06-01 | 2011-10-26 | 河北工业大学 | Solar and GSHP (ground source heat pump) combined energy supply system for buildings |
| CN102564183A (en) * | 2012-03-19 | 2012-07-11 | 北京德能恒信科技有限公司 | Ground source heat exchanger |
| KR20120095718A (en) * | 2011-02-21 | 2012-08-29 | (주)그린이엔티 | Equipment for exchanging terrestrial heat |
| CN205174512U (en) * | 2015-12-01 | 2016-04-20 | 邢培奇 | Enhancement mode heat supply system based upon geothermal energy |
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2015
- 2015-12-01 CN CN201510854301.5A patent/CN105352003A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001183030A (en) * | 1999-10-12 | 2001-07-06 | Kubota Corp | Geothermal sampling testing device |
| CN1451818A (en) * | 2002-04-12 | 2003-10-29 | 米砂瓦环境技术株式会社 | Snow melting device using geothermal energy |
| KR20120095718A (en) * | 2011-02-21 | 2012-08-29 | (주)그린이엔티 | Equipment for exchanging terrestrial heat |
| CN102226541A (en) * | 2011-06-01 | 2011-10-26 | 河北工业大学 | Solar and GSHP (ground source heat pump) combined energy supply system for buildings |
| CN102564183A (en) * | 2012-03-19 | 2012-07-11 | 北京德能恒信科技有限公司 | Ground source heat exchanger |
| CN205174512U (en) * | 2015-12-01 | 2016-04-20 | 邢培奇 | Enhancement mode heat supply system based upon geothermal energy |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605645A (en) * | 2016-02-26 | 2016-05-25 | 邢培奇 | Heating system of deep geothermal rock |
| CN109237585A (en) * | 2017-05-26 | 2019-01-18 | 山东陆海石油技术股份有限公司 | Heat exchange heating system in mid-deep strata geothermal well |
| CN108035699A (en) * | 2017-11-27 | 2018-05-15 | 华南理工大学 | A kind of system and method using seabed geothermal energy in-situ retorting gas hydrates |
| CN108007000A (en) * | 2017-12-10 | 2018-05-08 | 梧州市国佳节能科技有限公司 | Ground heat recovery system |
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