CN102478287A - Low-energy-consumption terrestrial heat utilization system - Google Patents
Low-energy-consumption terrestrial heat utilization system Download PDFInfo
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- CN102478287A CN102478287A CN 201010563163 CN201010563163A CN102478287A CN 102478287 A CN102478287 A CN 102478287A CN 201010563163 CN201010563163 CN 201010563163 CN 201010563163 A CN201010563163 A CN 201010563163A CN 102478287 A CN102478287 A CN 102478287A
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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 a low-energy-consumption terrestrial heat utilization system for a ground source heat pump, in particular to a terrestrial heat system for carrying out heat circulation by utilizing a siphoning effect. The Low-energy-consumption terrestrial heat utilization system is technically characterized in that: an underground heat energy exchange device is a pipeline with a closed loop; the closed loop of the pipeline is provided with two mutually-independent vessels which are positioned at different horizontal heights, wherein the vessel with lower horizontal height is capable of hoisting a heat energy exchange medium into the vessel with higher horizontal height by a liquid pump, and the heat energy exchange medium in the higher horizontal height returns to the vessel with lower horizontal height by the pipeline and under the siphoning effect; and the heat energy exchange medium circulates in the pipeline and passes through the two vessels and the liquid pumps to form the closed loop, and the closed loop is provided with an adjusting pool and an adjusting valve. The Low-energy-consumption terrestrial heat utilization system disclosed by the invention has the effects and characteristics of simple structure, easiness in manufacturing, capability of ensuring that the water pumping height is not limited and greatly reducing operation energy consumption, small investment income rate and wide application range.
Description
Technical field:
The present invention is an earth source heat pump low energy consumption geothermal utilization system, particularly a kind of geothermal system of utilizing siphonage to carry out thermal cycle.
Background technology:
Underground heat is the interior heat energy of the face of land, the land 5000m degree of depth normally.According to reckoning, earth's core temperature inside reaches 2000～5000 ℃, and the temperature of earth mantle reaches 1000～2000 ℃.Therefore, at the outermost layer of the earth---containing huge warm water tank in the earth's crust.GEOTHERMAL WATER is not naturally occurring in the earth's crust, but ground rainwater gos deep into crust depth along the slit of rock, soil, and these water are heated by hot rock on every side.If crust depth has bigger void layer, just possibly form and have extraction value underground heat water layer [1]. and exploit at present and utilize maximum geothermal energies promptly is GEOTHERMAL WATER.Base area hot water temperature's difference, GEOTHERMAL WATER can be divided into: water at low temperature (t＜140 ℃), middle warm water (t=40～60 ℃) and high-temperature water (t=60～100 ℃), superheated water (t＞100 ℃) [2]. and China's geothermal energy resources total amount is low-temperature geothermal resource more than 98%.At present, the numerous low-temperature geothermal resource of China mainly is directly to be used in aspects such as bathing, heating, plantation, breed, medical treatment, amusement.Though the whole nation directly utilizes total amount to reach 2410MW, occupies the prostatitis, countries in the world, utilize level and efficient lower, very poor for the capacity usage ratio of 25 ℃～50 ℃ of temperature sections.For realizing target of sustainable development, country has formulated the energy development strategical planning, requires to readjust the energy structure; Reduce the coal-fired pollution that causes; Greatly develop the utilization technology of new forms of energy regenerative resource, wherein mention and to develop the geothermal heat pump technology, to make full use of geothermal energy resources.
Underground heat is used for heating as a kind of clean energy resource, and is rapid in the northern China urban development, and wherein using maximum is exactly the geothermal source pump, and earth source heat pump is a kind of highly effective energy-conserving environmental-protecting type air-conditioning system of utilizing underground geothermal using resource can heat supply can freeze again.Earth source heat pump changes the aqueous medium circulation through a spot of energy of input, can realize that energy is from the transfer of low-temperature heat source to high temperature heat source.As aspect civilian, in the winter time, come out the heat extraction in the soil, improve after the temperature and be used for heating in the supply chamber; In summer, come out to be discharged in the soil indoor heat extraction and go, and can guarantee the equilibrium of subsurface temperature throughout the year, also have been widely used in industrial aspect.
But present technology all is to adopt electrodynamic pump to carry out work at circulation time, and power consumption is bigger during continuous firing, has tangible deficiency and remains to be improved part.
Summary of the invention:
The object of the invention just provide a kind of simple in structure, be easy to use the underground heat acquisition mode that particularly cuts down the consumption of energy greatly.
The present invention realizes through such mode:
A kind of low energy consumption geothermal utilization system; Be the earth source heat pump device; Underground heat pump mainly is made up of underground heat energy switch, liquid pump; Its technical essential is: the underground heat energy switch is the pipeline with closed-loop path, in the closed-loop path of this pipeline, has two separate containers, and is positioned at differentiated levels; The container that is in the reduced levels height can be promoted to the thermal energy exchange medium in the container of higher level height through the liquid pump; Thermal energy exchange medium in higher level height container turns back to the container that is in the reduced levels height through pipeline and under siphonage, and the thermal energy exchange medium circulates in pipeline, and forms the closed-loop path through two containers and liquid pump.
Further, between two separate containers that have in the closed-loop path of said pipeline a difference in height is arranged.
Further, between two separate containers that have in the closed-loop path of said pipeline a difference in height is arranged, a wherein highly higher container apart from the vertical range of pipeline most significant end less than ten meters.
Further, have the balancing tank, can regulate the consumption of thermal energy exchange medium in two containers.
Further, at least one port has the piping flow adjusting device in the pipeline.
Further, described piping flow adjusting device is the electric controlled regulating valve door.
Further, described container is the pond.
Further, described thermal energy exchange medium is a water.
Further, described pipeline with closed-loop path has passage and atmosphere, possibly come the pressure in the adjustable pipe with size through the break-make of regulating this passage.
Further, described pipeline is made up of metal.
Effect of the present invention and characteristics are: simple in structure, easy to manufacture, it is highly unrestricted to draw water, and reduces operation energy consumption greatly, and investment return is than little, and is applied widely.
Description of drawings:
Fig. 1 is a low energy consumption geothermal utilization system architecture sketch map of the present invention;
Explain among the figure:
1 is pipeline
2 is the liquid pump
3 is upper pool
4 is sink
5 is the balancing tank
6 is control valve
7 is passage
The specific embodiment:
Based on the object of the invention and accompanying drawing, and following examples are come principle of specification and working condition.
Shown in accompanying drawing 1, this earth source heat pump, the passage 7 on pipeline 1, liquid pump 2, upper pool 3, sink 4, balancing tank 5, control valve 6 and the pipeline 1 is formed.
This underground heat energy switch is the pipeline 1 with closed-loop path, but in order to cut down the consumption of energy, is provided with two separate containers in the centre of pipeline 1; These two containers can be in below ground, also can be in more than the ground, at present embodiment are; Sink 4 is positioned over floor surface with regulating cement 5, and the part of pipeline 1 is underground, and a part on the ground; Also can all be positioned over whole system undergroundly, dotted line is the ground schematic lines in the accompanying drawings.
For two above-mentioned containers, just upper pool 3 and sink 4, and make upper pool 3 and sink 4 be positioned at differentiated levels; A drop is arranged so between the two; And being provided with a liquid pump 2, the container that is in the reduced levels height can be promoted to the thermal energy exchange medium in the container of higher level height through the liquid pump, just through liquid pump 2; Can the liquid in the sink 4 be promoted in the upper pool 3 and go; And the mouth of pipe of pipeline 1 is embedded in the upper pool 3, and in pipeline 1 under all water-filled situation, the thermal energy exchange medium in higher level height container turns back to the container that is in the reduced levels height through pipeline and under siphonage; The water that is to say upper pool possibly run to sink 4 through pipeline 1 under siphonage; And the water in sink 4 is extracted in the upper pool 3 through liquid pump 2 again, and like this, water just can circulate in pipeline 1.The thermal energy exchange medium circulates in pipeline, and forms the closed-loop path through two containers and liquid pump.In such device; Only need water be promoted the height fall between a upper pool 3 and the sink 4; Just can realize the Automatic Cycle of whole system device, and the height fall between upper pool 3 and the sink 4 is significantly smaller than whole height of devices, the electric energy that is therefore consumed is very low.
Because water is mobile relevant with atmospheric pressure under the interior siphonage of pipeline, is not having under the prerequisite of other auxiliary equipment, maximum height cannot be greater than ten meters; So; A highly higher in the present embodiment container apart from the vertical range of pipeline most significant end less than ten meters, i.e. the difference in height of pipeline 1 the highest top and upper pool 3, the height that is higher than upper pool 3 must be less than or equal to ten meters; Can use siphonage and realize water lift; In practical application, the situation that equals ten meters also can't realize owing to condition restriction, just possibly realize if add servicing unit.
This system is guaranteed in order to make the water level in the pond; Be provided with balancing tank 5, can regulate the consumption of water in two ponds, the balancing tank has self-con-tained unit; Like buoyancy automatic control or photo-electric control; And the electrical measurement control device, can realize similar function, be higher than the pipe end of pipeline 1 all the time with the liquid level of guaranteeing upper pool 3.
For the more scientific and reasonable adjusting heating load and the flow of thermal energy exchange medium; At least one port is provided with the piping flow adjusting device in pipeline 1; Just be provided with control valve 6, this valve 6 can all be installed at two ports, also can be installed in one of them pipeline port; Like the port of the pipeline 1 of corresponding upper pool 3, this piping flow adjusting device is the electric controlled regulating valve door.
In addition; In the pipeline 1 of above-mentioned closed-loop path, in order in time to regulate pressure, and utilize pipeline itself to produce gas and regulate energy; Be provided with passage 7 and atmosphere, possibly regulate the pressure in the pipeline 1 with size through the break-make of regulating this passage 7.
Further, described pipeline 1 is made up of pressure-resistant material.
In all embodiment involved in the present invention, described liquid or fluid are water.
Adopt method and apparatus of the present invention, simple in structure, easy to manufacture, it is highly unrestricted to draw water, and reduces operation energy consumption greatly, and investment return is than little, and is applied widely.
Though a preferred embodiment of the present invention only has been described, its meaning and unrestricted scope of the present invention, applicability and configuration here.On the contrary, the detailed description to embodiment can make those skilled in the art be able to implement.Will be understood that not departing under the definite spirit and scope of the invention situation of appended claims, can make suitable change and modification some details.
Claims (10)
1. low energy consumption geothermal utilization system; Be the earth source heat pump device; Underground heat pump mainly is made up of underground heat energy switch, liquid pump; It is characterized in that: the underground heat energy switch is the pipeline with closed-loop path, in the closed-loop path of this pipeline, has two separate containers, and is positioned at differentiated levels; The container that is in the reduced levels height can be promoted to the thermal energy exchange medium in the container of higher level height through the liquid pump; Thermal energy exchange medium in higher level height container turns back to the container that is in the reduced levels height through pipeline and under siphonage, and the thermal energy exchange medium circulates in pipeline, and forms the closed-loop path through two containers and liquid pump.
2. low energy consumption geothermal utilization as claimed in claim 1 system is characterized in that: between two separate containers that have in the closed-loop path of said pipeline a difference in height is arranged.
3. low energy consumption geothermal utilization as claimed in claim 1 system; It is characterized in that: between two separate containers that have in the closed-loop path of said pipeline a difference in height is arranged, a wherein highly higher container apart from the vertical range of pipeline most significant end less than ten meters.
4. low energy consumption geothermal utilization as claimed in claim 1 system is characterized in that: have the balancing tank, can regulate the consumption of thermal energy exchange medium in two containers.
5. low energy consumption geothermal utilization as claimed in claim 1 system, it is characterized in that: at least one port has the piping flow adjusting device in the pipeline.
6. low energy consumption geothermal utilization as claimed in claim 5 system, it is characterized in that: described piping flow adjusting device is the electric controlled regulating valve door.
7. low energy consumption geothermal utilization as claimed in claim 1 system, it is characterized in that: described container is the pond.
8. low energy consumption geothermal utilization as claimed in claim 1 system, it is characterized in that: described thermal energy exchange medium is a water.
9. low energy consumption geothermal utilization as claimed in claim 1 system is characterized in that: described pipeline with closed-loop path, have passage and atmosphere, and possibly come the pressure in the adjustable pipe with size through the break-make of regulating this passage.
10. low energy consumption geothermal utilization as claimed in claim 1 system, it is characterized in that: described pipeline is made up of pressure-resistant material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010563163 CN102478287A (en) | 2010-11-29 | 2010-11-29 | Low-energy-consumption terrestrial heat utilization system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010563163 CN102478287A (en) | 2010-11-29 | 2010-11-29 | Low-energy-consumption terrestrial heat utilization system |
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| CN102478287A true CN102478287A (en) | 2012-05-30 |
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| CN 201010563163 Pending CN102478287A (en) | 2010-11-29 | 2010-11-29 | Low-energy-consumption terrestrial heat utilization system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102773145A (en) * | 2012-07-30 | 2012-11-14 | 苏州中亚油墨有限公司 | System for sanding and drawing gravure solvent ink |
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2010
- 2010-11-29 CN CN 201010563163 patent/CN102478287A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102773145A (en) * | 2012-07-30 | 2012-11-14 | 苏州中亚油墨有限公司 | System for sanding and drawing gravure solvent ink |
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Application publication date: 20120530 |