CN106168417B - A kind of CCHP high pressure rotary spraying core inserting built pile system and its construction method - Google Patents
A kind of CCHP high pressure rotary spraying core inserting built pile system and its construction method Download PDFInfo
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- CN106168417B CN106168417B CN201610564627.9A CN201610564627A CN106168417B CN 106168417 B CN106168417 B CN 106168417B CN 201610564627 A CN201610564627 A CN 201610564627A CN 106168417 B CN106168417 B CN 106168417B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/50—Piles comprising both precast concrete portions and concrete portions cast in situ
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
- F24T10/10—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
- F24T10/13—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground using tube assemblies suitable for insertion into boreholes in the ground, e.g. geothermal probes
- F24T10/15—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground using tube assemblies suitable for insertion into boreholes in the ground, e.g. geothermal probes using bent tubes; using tubes assembled with connectors or with return headers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
- H02N11/002—Generators
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
- F24F2005/0057—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground receiving heat-exchange fluid from a closed circuit in the ground
-
- 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
-
- 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
-
- 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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Sustainable Development (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Sustainable Energy (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of CCHP high pressure rotary spraying core inserting built pile system, including high pressure rotary spraying core inserting built pile, heat-transfer pipe, air-conditioning system and thermo-electric generation system;Described air-conditioning system includes heat transmission equipment, and heat-transfer pipe with soil body heat exchange, then connects top heat transmission equipment, so as to adjust indoor temperature in building first;Thermo-electric generation system includes semiconductor temperature difference power generating system I and semiconductor temperature difference power generating system II, and the electric power of acquisition supplies the supply of electric power of top electrical equipment.The system is in addition to providing the function for the carrying for supporting upper building load, be top-out refrigeration or the function of heating using shallow layer geothermal energy, electric energy supply upper building electricity consumption also is produced using the temperature difference between liquid in pipe and soil that exchanges heat, improves the heat exchange efficiency between heat exchanger tube and the soil body;The effective complicated utilization for realizing high pressure rotary spraying core inserting built pile in mechanics, calorifics and the aspect of electricity three, realize the geothermal energy on demand, the multiple target staggered the time effectively utilizes.
Description
Technical field
The present invention relates to a kind of geothermal energy utilization technology, the technical fields such as building pile foundation are primarily adapted for use in, especially
It is to be related to a kind of CCHP high pressure rotary spraying core inserting built pile system and its construction method.
Background technology
Shallow layer geothermal energy, also known as shallow layer ground-temperature energy, belong to low-grade renewable and clean energy resource, be current techniques economic condition
Under most possess one of heat resource of earth interior of value of exploiting and utilizing.During shallow layer geothermal energy is develop and useedd at present, mainly
The characteristics of being direct constant temperature long-term using thin solum, reached using heat pump cycle to the heating of surface structures winter or summer
The effect of refrigeration.Ground source heat pump technology, belongs to one of most common form that shallow layer geothermal energy directly utilizes, and the technology utilizes underground
Soil, surface water, the metastable characteristic of underground water equitemperature, by with greatly be storage bodies carry out heat exchange can be again
The air-conditioning system of the raw energy;The technical scheme can substitute traditional heating system such as conventional boiler or city planting ductwork and air-conditioning system
System, reach the purpose of energy-saving and emission-reduction.Embedded underground heat-transfer pipe, it is the construction Difficulties and key target for investment of ground source heat pump technology;And ground
Lower heat-transfer pipe is embedded to be needed to take larger land area and the underground space, is caused to bury its initial stage and is waited construction cost high, so as to
Influence its large-scale popularization application.By the underground heat-transfer pipe burial and construction in ground source heat pump technology and traditional architecture pile foundation construction phase
With reference to can effectively solve the problems, such as that the construction procedure of special pipe laying and underground heat-transfer pipe take the underground space, so as to greatly save
Construction costs;The piling strtucture with underground heat-transfer pipe formed based on this underground buried tube form is referred to as energy stake (or energy
Source stake, energy heat exchange stake).Energy stake technology is effectively to utilize one of most typically technical scheme of shallow layer geothermal energy in recent years;
With reference to the difference of specific piling strtucture form, the energy stake type (document 1 that different shallow layer geothermal energy heat transfers utilizes is generated
~16).
Document 1:German patent of invention " the Energy of J ü rgen Vogel and Hermann Josef Wilhelm applications
Pile for geothermal energy purpose i.e.combined heating and cooling systems,
has collector tube comprising section that includes another section that
transitions and runs helically around former section of collector tube
(DE102012013337 A1)”。
Document 2:TirolerMetallwerke Aktiengesellschaft and Armin
European and German patent of invention that Ing.Amann applies and authorized " Energypile (EP1486741 B1,
DE50305842D1)”。
Document 3:German patent of invention " the Concrete pile that Ing.Armin Amann apply and authorized
Foundation for absorbing geothermal energy, contains corrugated sleeve pipe
(DE202004014113 U1) ", corresponding other countries' patent authorization number also have:AT7887 U1.
Document 4:PCT Patent " the Pile with integral that Alain Desmeules apply and authorized
Geothermal conduit loop retaining means (PCT/CA2010/001500) ", corresponding thenational phase is special
Sharp grant number is:CA2683256 A1, EP2491183 A4, US8262322 B2, US20110091288 A1,
WO2011047461 A1。
Document 5:Li Zhiyi, Zhang Quansheng, Zhang Huidong, Liu Jianguo and the cold Chinese invention patent " precession applied and authorized of horse
Formula grouting behind shaft or drift lining ground source heat energy source thermal energy conversion precast pile device and its method for being embedded to the stratum, (patent No.:CN201210054121.5),
Authorized announcement date on November 26th, 2014 ".
Document 6:The Chinese invention patent that Kong Gangqiang, Huang Xu, Ding Xuanming, Liu Hanlong and Peng Huaifeng apply and authorized is " a kind of
Hexagon precast energy pile and preparation method thereof the, (patent No.:CN201310442139.7), authorized announcement date August 19 in 2015
Day ".
Document 7:The Chinese invention patent that Kong Gangqiang, Huang Xu, Ding Xuanming, Liu Hanlong and Peng Huaifeng apply and authorized is " a kind of
The construction method of the precast energy pile, (patent No.:CN201310441978.7), authorized announcement date September in 2015 23 days ".
Document 8:Chinese invention patent that Huang Jiyong, Zheng Rongyue and Huang Nan apply and authorized is " a kind of based on planting stake process
Ground source heat pump line the embedding method, (patent No.:CN201310033136.8), authorized announcement date September in 2015 23 days ".
Document 9:Jiang Gang, road is grand, and the Chinese invention patent that Wang Binbin and Liu Weiqing apply and authorized " carries earth source heat pump
The prefabricated reinforced concrete pile tube of double helix the tubular exchanger, (patent No.:CN201410572810.4), authorized announcement date 2016
On January 20, in ".
Document 10:Europatent " the Geothermal pile having that Beton Son B.V. apply and authorized
A cavity through which a fluid can flow ", corresponding national phase patent grant number are:EP1243875
B1, NL1017655 C2, DE60200183 T2.
In document 1~9, disclose among prefabricated pile, side wall is even buried multi-form underground and passed in prefabricated pile body
The preparation method or construction method of heat pipe.In document 10, a kind of closing prefabricated pile bottom is disclosed and in prefabricated pile body cavity
It is interior to arrange the construction method for openly descending heat-transfer pipe.
Document 11:" pile imbedded helix tube type ground source heat pump fills the Chinese invention patent that Fang Zhaohong and Liu Junhong applies and authorized
Put and its heat transfer model of geothermal heat exchanger, (the patent No.:CN200810159583.7), authorized announcement date January 26 in 2011
Day ".
Document 12:Chinese invention patent " the vertical spiral of earth source heat pump that Zhang Yitao, Zheng Zongyue and Li Wei etc. apply and authorized
Formula pipe laying the construction method, (patent No.:CN201210494997.1), authorized announcement date August in 2014 13 days ".
Document 13:Kong Gangqiang, Peng Huaifeng, Wu Hongwei and Ding select bright Chinese invention patent " a kind of ground source applied and authorized
The construction method of the pipe laying, (patent No. in heat pump filling pile cage of reinforcement:CN201310302155.6), authorized announcement date 2015 3
The moon 11 ".
Document 14:The Chinese invention patent " one that Liu Hanlong, Ding Xuanming, Kong Gangqiang, Wu Hongwei and Chen Yumin apply and authorized
Kind PCC energy stakes and preparation method thereof the, (patent No.:CN201210298385.5), authorized announcement date on November 19th, 2014 ".
Document 15:Chinese invention patent " a kind of geothermal energy that Li Ping, Ding Xuanming, Gao Hongmei and Zheng Changjie apply and authorized
Gather pile foundation and the construction method, (patent No.:CN201210476105.5), authorized announcement date on April 8th, 2015 ".
In document 11~13, disclose colligation on the steel reinforcement cage in bored concrete pile at the scene and bury screw type underground heat-transfer pipe
Or the construction method of heat-transfer pipe is buried in steel pipe.In document 14~15, closing cast-in-plase pile bottom is disclosed, in pile body
Heat transfer liquids are filled in cavity and arrange open or underground heat-transfer pipe construction method.
Document 16:International PCT patent " the A method and system that Raymond J.Roussy apply and authorized
For installing geothermal heat exchangers, energy piles, concrete piles, micro
Piles, and anchors using a sonic drill and a removable or retrievable drill
Bit (PCT/CA2009/000180) ", corresponding national phase patent grant number are:CA2716209A1, CA2716209C,
CA2827026A1, CA2827026C, CN102016218A, EP2247816A1, EP2247816A4, US8118115,
US20090214299。
In document 16, a kind of method for embedding of the underground heat-transfer pipe based on driller is disclosed.
In summary, based on piles with different foundation working process, corresponding different preparation methods or construction party can be obtained
The energy stake technology of method;But no matter the energy stake technology of which kind of form, be all based on directing heat transfer principle to geothermal
The direct utilization of energy, does not carry out the conversion of form of energy.
Geothermal energy not only can directly utilize its heat energy by heat pump techniques, and can carry out generating and be used.Pass
The geothermal power generation principle of system is similar with thermal power generation, using high temperature (80 DEG C of >) layer geothermal water and steam as power source, first
Underground heat energy is converted to mechanical energy, then mechanical energy is converted to electric energy.In document 17~18, disclose one kind and be based on hot water
The facility and method that the exploitation deep layer geothermal energy of well is generated electricity;In document 19~22, individually disclose one kind and be based on deep layer
Drilling, underground mine, producing horizon sleeve pipe or subsurface rock tunnel structure, the method that deep geothermal heat can be converted into electric energy;This
Following several shortcomings be present in kind generation mode:(1) typically require that heat source temperature is more than 80 DEG C of >, in other words, these technical methods
It can not be applicable for shallow layer geothermal energy (general 25 DEG C of <);(2) energy modalities conversion times are relatively more, cause capacity usage ratio
Reduce;(3) underground deep layer thermal source development difficulty is relatively large, development cost is high and development cost with mining depth almost in non-thread
Property increase.
Document 17:U.S. patent Nos that Schnatzmeyer, Mark A. and Clark E.Robison apply and authorized "
Method and apparatus for generating electric power downhole.″U.S.Patent No.6,
150,601.21 Nov.2000。
Document 18:U.S. patent Nos " the Method and that Jeffryes, Benjamin Peter apply and authorized
apparatus for downhole thermoelectric power generation.″U.S.Patent No.7,770,
645.10 Aug.2010。
Document 19:U.S. patent Nos " the Method for recovering that Shulman, Gary apply and authorized
thermal energy contained in subterranean hot rock.″U.S.Patent No.5,515,679.14
May 1996。
Document 20:U.S. patent Nos " the Geothermal power that DuBois, John R apply and authorized
generation system and method for adapting to mine shafts.″U.S.Patent No.7,
984,613.26 Jul.2011。
Document 21:The Chinese invention patent that Gong Zhi bravely applies and authorized " is recycled using production string conduction underground heat energy
Method and device, (the patent No.:CN201010101312.3)”.
1999, DiSalvo pointed out to be based on Semiconductors At Low Temperatures thermoelectric generation, it is possible to achieve the heat between the trickle temperature difference
Electricity conversion (document 22), using semiconductor temperature differential generating technology, one kind is disclosed in document 23 and utilizes ultra deep high temperature (1200
~1800 DEG C) technical method that is generated electricity of the temperature difference between deep layer medium temperature (250~600 DEG C);Disclosed in document 24
One kind is based on subsurface rock tunnel structure, the method that deep geothermal heat can be converted into electric energy;A kind of base is disclosed in document 25
Deep geothermal heat can be delivered to earth's surface in ground source heat pump technology, allowing heat-transfer pipe, (i.e. deep geothermal heat can provide with the temperature difference in air
Thermal source, natural air provide low-temperature receiver) technical method that is generated electricity.
Document 22:Scientific paper " the Thermoelectric cooling and power that DiSalvo, F J. are delivered
Generation. " Science, 285.5428 (1999):703-706.
Document 23:U.S. patent Nos " the Direct thermal-electric that Levoy, Larry apply and authorized
conversion for geothermal energy recovery.″U.S.Patent No.4,047,093.6
Sep.1977。
Document 24:Chinese invention patent " a kind of High-geotemperature tunnel cooling of Chen Guoqing, Yang Yang, Zhao Cong and Li Tianbin applications
Radiating and heat energy conversion device, (number of patent application:CN201510663196.7)”.
Document 25:Scientific paper " the Feasibility of large-scale power that Liu, Liping are delivered
plants based on thermoelectric effects.″New Journal ofPhysics 16.12(2014):
123019。
Semiconductor temperature differential generating can not only use in the case of relative temperature difference value is larger, and can be in relative temperature difference value
Used in the case of less;Semiconductor temperature differential generating chip technology effectively breaches limitation of the relative temperature difference value to generating, opens up significantly
Wide heat energy is converted to the species and channel of electric energy, also allows shallow layer geothermal energy to be converted into electric energy and is possibly realized.In document 26
In~27, a kind of technology for providing thermal source using solar energy, low-temperature receiver progress thermo-electric generation being provided using shallow layer geothermal energy is disclosed
Method;These technical methods are to carry out thermo-electric generation using shallow layer geothermal energy to serve good exemplary role;However, document 26
The Land use systems of~27 middle-shallow layer geothermal energies are first to be delivered to shallow layer geothermal energy in the liquid in heat-transfer pipe by heat-transfer pipe, are led to
The flowing for crossing liquid in heat-transfer pipe takes heat energy to earth's surface, then utilizes liquid in heat-transfer pipe and earth's surface medium (solar energy or sky
Gas) temperature difference between temperature generated electricity;Some following deficiency be present in this mode:(1) need drill, bury in the earth formation in advance
If heat-transfer pipe, the problems such as land occupation area and the underground space are larger, initial stage, burial and construction cost was high be present;(2) geothermal
It can first be delivered in heat-transfer pipe in liquid and then liquid and other objects of earth's surface different temperatures carry out temperature difference hair in heat-transfer pipe
Electricity, energy transmission number, which increases, also results in capacity usage ratio reduction;(3) shallow layer geothermal energy is not through the soil body and directly carries out energy
Amount conversion.
Document 26:U.S. patent Nos " the System for transferring that Mount, Robert apply and authorized
heat in a thermoelectric generator system.″U.S.Patent ApplicationNo.10/871,
544.2005。
Document 27:U.S. patent Nos " the System for collecting and that Simka, Pavel apply and authorized
delivering solar and geothermal heat energy with thermoelectric generator.″
U.S.Patent No.8.286.441.16 Oct.2012。
Therefore, for carrying out deficiency and defect present in thermoelectric generation currently with shallow layer geothermal energy, with reference to energy
The technical advantage that energy piles form in stake technology saves cost is measured, exploitation one kind can utilize shallow layer geothermal energy and heat-transfer pipe simultaneously
Between the temperature difference generated electricity, the heat energy that is transmitted by heat-transfer pipe supplies top air conditioning and heating or cold energy and supplies top air-conditioning system
The technical scheme of cold CCHP stake, it appears particularly important.
The content of the invention
Goal of the invention:In order to overcome above-mentioned deficiency and defect, solves (1) energy stake in shallow layer geothermal energy using middle-shallow layer
Limitation of the heat energy total amount on room and time, the low problem of heat exchanger effectiveness during caused shallow layer geothermal energy utilizes, (2) are existing
High pipe laying construction cost, land occupation area or the underground space are drilled in geothermal thermo-electric generation scheme greatly and is not utilized
The soil body the problem of temperature difference between medium carries out the direct generation of electricity in itself;It is proposed a kind of CCHP high pressure rotary spraying core inserting combination
Stake system and its construction method, in building construction, directly systematically bury temperature difference electricity generation device and geothermal heat pump
In the pile foundation of building, it is set to be combined with building structure.The heat-transfer pipe of core stake side wall, is connected with water pump I, heat transmission equipment
Form shallow layer geothermal energy air-conditioning system;Heat-transfer pipe, semiconductor thermo-electric generation apparatus I, the semiconductor temperature differential generating dress of core stake side wall
II is put, shallow layer geothermal energy thermo-electric generation system is connected and composed with wire, DC/DC converters, battery and water pump II;It is final to realize
CCHP high pressure rotary spraying core inserting built pile systematic difference.
Technical scheme:To achieve these goals, the present invention provides a kind of CCHP high pressure rotary spraying core inserting built pile
System, the system include:High pressure rotary spraying core inserting built pile, heat-transfer pipe, air-conditioning system and thermo-electric generation system;Wherein,
Described air-conditioning system includes heat transmission equipment, and the heat transmission equipment is arranged at the top of heat-transfer pipe, and conduct heat intraluminal fluid
Rate of flow of fluid with soil body heat exchange, then connects top heat transmission equipment, so as to adjust first by water pump I and Valve controlling, heat-transfer pipe
Save indoor temperature in building;
Described thermo-electric generation system includes semiconductor thermo-electric generation apparatus I and semiconductor thermo-electric generation apparatus II, wherein,
Described semiconductor thermo-electric generation apparatus I realizes thermoelectric conversion using the temperature difference between heat-transfer pipe and Pile side soil body, and will be obtained
The electric power obtained supplies the supply of electric power of top electrical equipment;Described semiconductor thermo-electric generation apparatus II utilizes heat-transfer pipe and radiating tube
Between the temperature difference realize energy conversion, and the electric power obtained is supplied to the supply of electric power of top electrical equipment.
Described semiconductor thermo-electric generation apparatus I includes semiconductor temperature differential generating piece, heat conductive silica gel and heat conduction overcoat, institute
State semiconductor temperature differential generating piece to be pasted onto on the outside of heat-transfer pipe using heat conductive silica gel, set heat conduction to prevent on the outside of semiconductor temperature differential generating piece
Sheath, semiconductor temperature differential generating piece realizes thermoelectric conversion using the temperature difference between heat-transfer pipe and Pile side soil body, and utilizes wire will
The electric power that semiconductor temperature differential generating is obtained is sequentially connected DC/DC converters, battery supplies the supply of electric power of top electrical equipment.
Described semiconductor thermo-electric generation apparatus II includes radiating tube, semiconductor temperature differential generating piece, heat conductive silica gel and heat conduction
Bottom plate, the radiating tube are evenly arranged in conductive sole plate, and radiating tube is wrapped in the biography for posting semiconductor temperature differential generating piece
On the outside of heat pipe, the wire of connection semiconductor temperature differential generating piece is embedded in heat conductive silica gel, is drawn along the heat-transfer pipe of core stake side wall
Ground, and be connected successively with DC/DC converters, battery and electrical equipment;DC/DC converters, battery and electrical equipment
Outside sets protective cover to protect, and radiating tube individually connects water pump II for liquid circulation in radiating tube;Semiconductor temperature differential generating piece leads to
The temperature difference crossed between heat-transfer pipe and radiating tube realizes energy conversion, and the electric power obtained is sequentially connected DC/DC using wire and converted
Device, battery supply the supply of electric power of top electrical equipment.
Wherein, above-mentioned semiconductor temperature differential generating piece has semiconductor temperature differential generating piece commonly used in the prior art, including
Hot junction, cold end, P-type semiconductor, N-type semiconductor, sheet metal and heat-conducting plate.
Specifically, described high pressure rotary spraying core inserting built pile is combined by high-pressure rotary jet grouting pile and core stake two parts;Wherein,
The stake footpath of described high-pressure rotary jet grouting pile is 600~1000mm, a length of 20~40m of stake, and grouting serous fluid is cement grout, cement grade
For not less than 42.5 grades, the one kind that can be added in Extra-fine sand, flyash, early strength agent, accelerator or waterglass in cement grout
It is or several;A length of 20~the 40m of stake of described core stake can be the stake of i shaped steel core or be the stake of prestressing force tube core or be steel pipe
Core stake, a height of 200~400mm in I-shaped steel core stake cross section, a width of 200~400mm, 8~12mm of web thickness, prestressed pipe
Core stake overall diameter is 600~800mm, 150~300mm of wall thickness, and steel pipe core stake overall diameter is 500~800mm, 8~12mm of wall thickness.
The length of core stake can be more than, the length less than or equal to high-pressure rotary jet grouting pile, and the paragraph that high-pressure rotary jet grouting pile is reinforced can be core
The elongated of stake, top, middle part or bottom.
Described heat-transfer pipe is polyethylene pipe (also known as PE pipe), and its external diameter, wall thickness and length are according to core stake stake is long and heat transfer
Pipe pipe laying arrangement form it needs to be determined that, in a preferred embodiment, its external diameter is 25~50mm, and wall thickness is 5~8mm,
Length is 40~150m;The heat-transfer pipe is fixed and is embedded in core stake side wall;Heat-transfer pipe pipe laying form is single U-shaped, dual U-shaped or W shapes
Any one in formula or several combinations.
Described water pump I is located at earth's surface, and its power is 0.55~1.2kw;The valve is electric two-way valve door;It is described to change
Hot equipment is the fan coil in air-conditioning equipment.
In described semiconductor thermo-electric generation apparatus I, the thermal conductivity factor of the heat conductive silica gel is 0.6~1.5W/ (mK),
With high-adhesion can and superpower heat-conducting effect, will not solidification, will not be conductive characteristic;The heat conduction overcoat is stainless
Steel skin or silica gel based composites, prevent semiconductor temperature differential generating piece from being damaged in work progress;The DC/DC converters position
It is step-up DC/DC converters in earth's surface;The battery is located at earth's surface, be lead accumulator or lithium-ions battery or lithium from
Sub- polymer storage battery or cadmium-nickel storage cell;The wire is embedded in heat conductive silica gel.
In described semiconductor thermo-electric generation apparatus II, the radiating tube is polyethylene pipe or metal tube, and its external diameter is 10
~20mm, wall thickness are 3~4mm, and length is 5~15m;The power of the water pump II is 5~15w;The DC/DC converters are liter
Die mould DC/DC converters;The battery is lead accumulator or lithium-ions battery or lithium ion polymer battery or NI-G
One kind in battery;DC/DC converters and battery in the semiconductor thermo-electric generation apparatus II are arranged on the inside of core stake
Wall or lateral wall, and carry out waterproof and preventing collision protection with underground heat dissipation equipment protective cover.
Present invention further proposes a kind of construction method of CCHP high pressure rotary spraying core inserting built pile system, including
Following steps:
(1) semiconductor thermo-electric generation apparatus I makes:Heat-transfer pipe is selected according to design requirement, in the heat-transfer pipe of design attitude
Semiconductor temperature differential generating piece is pasted in outside using heat conductive silica gel, and the wire of connection semiconductor temperature differential generating piece is embedded in heat conductive silica gel
It is interior, and ground is drawn, it is connected successively with DC/DC converters, battery and electrical equipment;Semiconductor temperature differential generating piece will be contained
Heat-transfer pipe is fixed on core stake side wall;
(2) semiconductor thermo-electric generation apparatus II makes:Material, the width of conductive sole plate are selected according to design requirement, is being led
Uniform radiating tube is arranged on hot bottom plate, and radiating tube is wrapped on the outside of the heat-transfer pipe for posting semiconductor temperature differential generating piece, even
The wire for connecing semiconductor temperature differential generating piece is embedded in heat conductive silica gel, along core stake side wall heat-transfer pipe draw ground, successively with
DC/DC converters, battery connect with electrical equipment;Radiating tube individually connects water pump II for liquid circulation in radiating tube;DC/DC
Protective cover is set outside converter, battery and electrical equipment;
(3) high pressure rotary spraying core inserting combination pile driving construction:According to upper load amount, design and determine high pressure rotary spraying core inserting built pile
Form, stake spacing and clump of piles arrangement form, core pile installation, length and diameter, the length of high-pressure rotary jet grouting pile, diameter,
Construction machinery, nozzle type and concrete grade;Consider long stake, stake spacing, geothermal energy storage capacity, top-out
Air-conditioning system and electrical equipment demand for energy, design heat-transfer pipe pipe laying form;Make band heat-transfer pipe, semiconductor temperature differential generating fills
Put I and semiconductor thermo-electric generation apparatus II core stake;Mud off, which is set, draws hole, construction high-pressure rotary jet grouting pile to projected depth, inserts
Core pile driving construction, complete high pressure rotary spraying core inserting built pile system construction;
(4) freeze, heat connects with electric power system:Heat-transfer pipe and water pump I, heat transmission equipment are connected and composed into shallow layer geothermal energy
Air-conditioning system, refrigeration or heating are provided for upper building;By wire successively with DC/DC converters, battery and electrical equipment
Shallow layer geothermal energy thermo-electric generation system is connected and composed, electric power (such as illuminating LED lamp electricity consumption, water pump II power is provided for top-out
Electricity consumption);According to the conditions of demand of the power supply of the total amount deposit and upper building of shallow layer geothermal energy, refrigeration or heating, can select
Only air-conditioning system (refrigeration or heating), only thermo-electric generation system (power supply) or air-conditioning system and thermo-electric generation system make simultaneously
With;The final construction and application for realizing CCHP high pressure rotary spraying core inserting built pile system.
Preferably, in step (1), semiconductor temperature differential generating piece is embedded on the outside of 10~below 15m heat-transfer pipes;Pipe laying form
For any one or a few the combination in single U-shaped, dual U-shaped or W forms.
Beneficial effect:Compared with the energy stake technology of existing energy piles form, CCHP high-pressure rotary-spray of the invention
Following technical advantage be present in lock pin combination pile:
(1) shallow-layer is utilized in the bearing function of guarantee high pressure rotary spraying core inserting built pile support upper load, and energy stake
On the basis of geothermal energy is top-out refrigeration or the function of heating, heat exchange is effectively utilized by semiconductor temperature differential generating technology
The temperature difference between liquid in pipe and the soil body, add generating function for high pressure rotary spraying core inserting built pile and can be used for supplying top-out
Electricity consumption, the hot and cold of high pressure rotary spraying core inserting built pile, Electricity Federation production are not only realized, and realize the pure heat friendship of geothermal
The leap of the Combined mining pattern for the single exploitation pattern thermoelectric coproduction changed;
(2) existing underground heat thermo-electric generation system, it is required to the limit by special construction place (such as high temp tunnel, oil field)
System, can hardly be promoted in down town, residential block etc., and the present invention is using building pile foundation pipe laying form without individually boring
Door, drilling, the region universality of geothermal power generation is added, geothermal energy can also be utilized to send out even in the area of high building plot ratio
Electricity;
(3) the semiconductor thermo-electric generation apparatus I in CCHP high pressure rotary spraying core inserting built pile, radiating tube can be utilized
The temperature difference between the soil body carries out semiconductor temperature differential generating, and top is supplied except available electric energy is converted into by DC/DC converters
Outside building, heat in heat-transfer pipe is consumed by heat to electricity conversion during the thermo-electric generation, compared in conventional energy stake only
By way of the soil body and heat exchange tube heat exchange consumption heat transfer liquid in pipe heat, the effect of geothermal air conditioning system is not only increased
Rate, and the variable quantity of heat-transfer pipe soil temperature in underground radiation is reduced, the thermostabilization of the soil body is protected, so as to big
It is big to improve the embedded quantity of heat exchanger tube and heat transfer total amount in the room and time of unit stratum;
(4) the semiconductor thermo-electric generation apparatus II in CCHP high pressure rotary spraying core inserting built pile, radiating can be utilized
The temperature difference between pipe and heat exchange liquid in pipe carries out semiconductor temperature differential generating, by being radiating tube after the conversion of DC/DC converters
Interior liquid circulation water pump II power supplies, the heat of heat transfer liquids in heat exchanger tube is consumed by heat to electricity conversion, and the laying of radiating tube is indirect
Heat exchange area of the heat-transfer pipe in underground is added, the rate of geothermal utilization in unit space is not only increased, also improves underground heat
The efficiency of air-conditioning system;
(5) shallow layer geothermal energy can select only air-conditioning system (refrigeration or heating), only temperature according to top-out environmental demand
Poor electricity generation system (power supply) or air-conditioning system and thermo-electric generation system are supplied simultaneously, so as to break shallow layer geothermal energy in stake
Basic field is applicable only to the limitation of room conditioning heating, realizes the switching on demand of shallow layer geothermal energy application mode, realizes
The energy on demand, effective utilization of staggering the time, improve efficiency of energy utilization.
Advantages of the present invention and effect will also further describe in a specific embodiment.
Brief description of the drawings
Fig. 1 is CCHP high pressure rotary spraying core inserting built pile system arrangement schematic diagram in the present invention;
Fig. 2 buries form stereogram and cross-sectional view for I-shaped steel core stake dual U-shaped heat-transfer pipe in the present invention;
Fig. 3 buries form stereogram and cross-sectional view for prestressing force tube core stake list U-shaped heat-transfer pipe in the present invention;
Fig. 4 buries form stereogram and cross-sectional view for prestressing force tube core stake dual U-shaped heat-transfer pipe in the present invention;
Fig. 5 buries form stereogram and cross-sectional view for prestressing force tube core stake W shapes heat-transfer pipe in the present invention;
Fig. 6 buries form stereogram and cross-sectional view for steel pipe core stake list U-shaped heat-transfer pipe in the present invention;
Fig. 7 buries form stereogram and cross-sectional view for steel pipe core stake dual U-shaped heat-transfer pipe in the present invention;
Fig. 8 buries form stereogram and cross-sectional view for steel pipe core stake W shapes heat-transfer pipe in the present invention;
Fig. 9 arranges profile for semiconductor thermo-electric generation apparatus I in the present invention;
Figure 10 is semiconductor thermo-electric generation apparatus I cross-sectional views in the present invention;
Figure 11 arranges profile for semiconductor thermo-electric generation apparatus II in the present invention;
Figure 12 is semiconductor thermo-electric generation apparatus II cross-sectional views in the present invention;
Figure 13 is semiconductor temperature differential generating piece stereogram in the present invention;
Figure 14 is semiconductor temperature differential generating piece cross-sectional view in the present invention;
In figure:1 is core stake, and 2 be heat-transfer pipe, and 3 be high-pressure rotary jet grouting pile, and 4 be DC/DC converters, and 5 be battery, and 6 be to lead
Line, 7 be water pump I, and 8 be water pump II, and 9 be valve, and 10 be heat transmission equipment, and 11 be I-shaped steel core stake, and 12 be prestressing force tube core stake,
13 be steel pipe core stake, and 14 be electrical equipment, and 15 be semiconductor thermo-electric generation apparatus I, and 16 be P-type semiconductor, and 17 be that N-type is partly led
Body, 18 be sheet metal, and 19 be heat-conducting plate, and 20 be hot junction, and 21 be cold end, and 22 be heat conduction overcoat, and 23 be heat conductive silica gel, and 24 be half
Conductor thermo-electric generation sheet, 25 be semiconductor thermo-electric generation apparatus II, and 26 be radiating tube, and 27 be conductive sole plate, and 28 be protective cover.
Embodiment
Describe the embodiment of patent of the present invention in detail below in conjunction with accompanying drawing, the protection domain of patent of the present invention is not
It is limited only to the description of present embodiment.
The present invention provides a kind of CCHP high pressure rotary spraying core inserting combination.Wherein, air-conditioning system includes heat transmission equipment, changes
Hot equipment is arranged at the top of heat-transfer pipe, in heat-transfer pipe flow rate of liquid by water pump I and Valve controlling, heat-transfer pipe first with the soil body
Heat exchange, then connect top heat transmission equipment and supply so as to adjust indoor temperature in building.
Thermo-electric generation system includes semiconductor thermo-electric generation apparatus I and semiconductor thermo-electric generation apparatus II, wherein, semiconductor
Temperature difference electricity generation device I includes semiconductor temperature differential generating piece, heat conductive silica gel and heat conduction overcoat, and semiconductor temperature differential generating piece is utilized and led
Hot silica gel is pasted onto on the outside of heat-transfer pipe, and heat conduction overcoat, semiconductor temperature differential generating piece profit are set on the outside of semiconductor temperature differential generating piece
With the temperature difference between heat-transfer pipe and Pile side soil body realize thermoelectric conversion, and the electricity for semiconductor temperature differential generating being obtained using wire
Power is sequentially connected DC/DC converters, battery supplies the supply of electric power of top electrical equipment.Semiconductor thermo-electric generation apparatus II includes
Radiating tube, semiconductor temperature differential generating piece, heat conductive silica gel and conductive sole plate, radiating tube are evenly arranged in conductive sole plate and will radiatings
Pipe is wrapped on the outside of the heat-transfer pipe for posting semiconductor temperature differential generating piece, and the wire of connection semiconductor temperature differential generating piece is embedded in heat conduction
In silica gel, ground is drawn along the heat-transfer pipe of core stake side wall, and be connected successively with DC/DC converters, battery and electrical equipment;
Radiating tube individually connects water pump II for liquid circulation in radiating tube;Semiconductor temperature differential generating piece passes through between heat-transfer pipe and radiating tube
The temperature difference realize energy conversion, the electric power obtained is sequentially connected DC/DC converters using wire, battery is set for top electricity consumption
Standby supply of electric power.
The construction method of CCHP high pressure rotary spraying core inserting built pile system of the present invention is described in detail below.
First, as shown in figure 1, according to upper load amount, design and determine between the form of high pressure rotary spraying core inserting built pile, stake
Away from and clump of piles arrangement form, core pile installation, length and diameter, the length of high-pressure rotary jet grouting pile 3, diameter, construction machinery, spray
Head type and concrete grade;Preferably high pressure rotary spraying core inserting built pile, combined by high-pressure rotary jet grouting pile 3 and the two parts of core stake 1
Form;The stake footpath of high-pressure rotary jet grouting pile 3 is 600~1000mm (the present embodiment 800mm), (the present embodiment is a length of 20~40m of stake
30m), grouting serous fluid is cement grout, and cement grade is not less than 42.5 grades, and Extra-fine sand, fine coal can be added in cement grout
One or more in ash, early strength agent, accelerator or waterglass (the present embodiment is 42.5 class g cement slurries).The stake of core stake 1 is long
For 20~40m (the present embodiment 30m), it can be i shaped steel core stake 11 (as shown in Figure 2) or be prestressing force tube core stake 12
(as seen in figures 3-5) or it is steel pipe core stake 13 (as can be seen from figures 6 to 8), the I-shaped cross section of steel core stake 11 a height of 200~
400mm, a width of 200~400mm, 8~12mm of web thickness, the overall diameter of prestressing force tube core stake 12 are 600~800mm, wall thickness 150
~300mm, the overall diameter of steel pipe core stake 13 is 500~800mm, (the present embodiment is prestressing force tube core stake 12 to 8~12mm of wall thickness, outside
A diameter of 600mm, wall thickness 150mm);The length of core stake 1 can be more than, length (this reality less than or equal to high-pressure rotary jet grouting pile 3
It is equal length to apply example), the paragraph that high-pressure rotary jet grouting pile 3 is reinforced can be the elongated of core stake 1, top, middle part or bottom (this reality
It is elongated to apply example).
Then, long stake, stake spacing, geothermal energy storage capacity, the air-conditioning system and electrical equipment of top-out are considered
Demand for energy, design the pipe laying form of heat-transfer pipe 2;Preferably heat-transfer pipe 2, it is polyethylene pipe (also known as PE pipes), its external diameter is 25
~50mm, wall thickness are 5~8mm, and length is that (the present embodiment is that external diameter is 30mm to 40~150m, wall thickness 5mm, and length is
100m), according to core stake is 1 long and the pipe laying arrangement form of heat-transfer pipe 2 it needs to be determined that;Heat-transfer pipe 2 is fixed and is embedded in the side wall of core stake 1;
The pipe laying form of heat-transfer pipe 2 can be one or several kinds of combinations in single U-shaped, dual U-shaped or w forms (the present embodiment is dual U-shaped).
Then, semiconductor thermo-electric generation apparatus I 15 is made:As shown in figure 9, at the design attitude in the outside of heat-transfer pipe 2,
Semiconductor temperature differential generating piece 24 is pasted using heat conductive silica gel 23, the wire 6 of connection semiconductor temperature differential generating piece 24 is embedded in heat conduction
In silica gel 23, and ground is drawn, be connected with DC/DC converters 4, battery 5 and electrical equipment 14;Semiconductor temperature difference will be contained to send out
The heat-transfer pipe 2 of electric piece 24 is fixed on the side wall of core stake 1;Preferably semiconductor temperature differential generating piece 24 is mainly embedded in 10~below 15m
The outside of heat-transfer pipe 2;Preferably the thermal conductivity factor of heat conductive silica gel 23 is 0.6~1.5W/ (mK), have high-adhesion can and it is superpower
Heat-conducting effect, will not solidification, will not be conductive characteristic;Preferably heat conduction overcoat 22, it is stainless steel iron sheet or silica gel base
Composite, prevent semiconductor temperature differential generating piece 24 from being damaged in work progress;Preferably DC/DC converters 4, positioned at earth's surface,
For step-up DC/DC converters 4;Preferably battery 5, it is lead accumulator or lithium-ions battery or lithium ion positioned at earth's surface
Polymer storage battery or cadmium-nickel storage cell (the present embodiment is lithium-ions battery);It is preferred that ground wire 6, is embedded in heat conductive silica gel 23
It is interior.Make semiconductor thermo-electric generation apparatus II 25:Material, the width of conductive sole plate 27 are selected according to design requirement, at heat conduction bottom
Uniform radiating tube 26 is arranged on plate 27, and radiating tube 26 is wrapped in outside the heat-transfer pipe 2 for posting semiconductor temperature differential generating piece 24
Side, the wire 6 of connection semiconductor temperature differential generating piece 24 are embedded in heat conductive silica gel 23, drawn along the heat-transfer pipe 2 of the side wall of core stake 1
Ground, it is connected with DC/DC converters 4, battery 5 and electrical equipment 14;Radiating tube 26 individually connects water pump II 8 and supplies radiating tube
Liquid circulation in 26.
DC/DC converters 4 and battery 5 in semiconductor thermo-electric generation apparatus II 25 (as shown in Figure 11~12) are set
Waterproof and preventing collision protection are carried out in the madial wall of core stake 1 or lateral wall, and with underground heat dissipation equipment protective cover 28.Preferably dissipate
Heat pipe 26, it is polyethylene pipe, its external diameter is 10~20mm, and wall thickness is 3~4mm, and length is that (the present embodiment is that external diameter is to 5~15m
10mm, wall thickness 3mm, length 5m), it is wrapped in the outside of heat-transfer pipe 2, and following for liquid in radiating tube 26 is provided by water pump II8
Circulation moves;Preferably water pump II8, its power are 5~15w (the present embodiment 5w);Preferably DC/DC converters 4, it is booster type
DC/DC converters 4;Preferably battery 5, it is lead accumulator or lithium-ions battery or lithium ion polymer battery or NI-G
A kind of the present embodiment in battery is lithium-ions battery.
Above-mentioned semiconductor temperature differential generating piece has semiconductor temperature differential generating piece commonly used in the prior art, and its structure is as schemed
Shown in 13~14, including hot junction 20, cold end 21, P-type semiconductor 16, N-type semiconductor 17, sheet metal 18 and heat-conducting plate 19.
Followed by mud off, which is set, draws hole, construction high-pressure rotary jet grouting pile 3 to projected depth, inserts work band heat-transfer pipe 2, half
Conductor temperature difference electricity generation device I 15 and semiconductor thermo-electric generation apparatus II 25 core stake 1 is constructed, and completes high pressure rotary spraying core inserting combination
Stake system construction.
Finally, air-conditioning system is connected:Heat-transfer pipe 2 and water pump I 7, heat transmission equipment 10 are connected and composed into shallow layer geothermal energy air-conditioning
System, refrigeration or heating are provided for upper building;Preferably water pump I 7, positioned at earth's surface, its power is 0.55~1.2kw;It is excellent
Selection of land valve 9, it is electric two-way valve door;Preferably heat transmission equipment 10, it is the fan coil in air-conditioning equipment.Connect thermo-electric generation
System:Wire 6 and DC/DC converters 4, battery 5 and electrical equipment 14 are connected and composed into shallow layer geothermal energy thermo-electric generation system,
Electric power (such as illuminating LED lamp electricity consumption, the electricity consumption of water pump II power) is provided for top-out;According to the total amount deposit of shallow layer geothermal energy and
The conditions of demand of upper building power supply, refrigeration or heating, only air-conditioning system (refrigeration or heating), only thermo-electric generation can be selected
System (power supply) or air-conditioning system and thermo-electric generation system use simultaneously;Finally realize CCHP high pressure rotary spraying core inserting
The construction and application of built pile system.
The CCHP high pressure rotary spraying core inserting built pile of the present invention is a kind of novel and multifunctional compound energy application system
System, except providing the function for the carrying for supporting upper building load, freezing or heat for top-out using shallow layer geothermal energy
Function outside, the temperature difference that exchanges heat between liquid in pipe and soil can also be utilized to produce electric energy supply upper building electricity consumption, and
The heat exchange efficiency between heat exchanger tube and the soil body can be improved;The system not only effectively realizes high pressure rotary spraying core inserting built pile in power
Learn, the complicated utilization of calorifics and the aspect of electricity three, and realize the geothermal energy on demand, the multiple target staggered the time it is effectively sharp
With raising efficiency of energy utilization.
Claims (9)
1. a kind of CCHP high pressure rotary spraying core inserting built pile system, it is characterised in that the system includes:High pressure rotary spraying core inserting
Built pile, heat-transfer pipe, air-conditioning system and thermo-electric generation system;Wherein,
Described air-conditioning system includes heat transmission equipment, and the heat transmission equipment is arranged at the top of heat-transfer pipe, liquid flow in heat-transfer pipe
Speed with soil body heat exchange, is then connected top heat transmission equipment, built so as to adjust first by water pump I and Valve controlling, heat-transfer pipe
Build indoor temperature in thing;
Described thermo-electric generation system includes semiconductor thermo-electric generation apparatus I and semiconductor thermo-electric generation apparatus II, wherein, it is described
Semiconductor thermo-electric generation apparatus I using the temperature difference between heat-transfer pipe and Pile side soil body realize thermoelectric conversion, and will be obtained
Electric power supplies the supply of electric power of top electrical equipment;Described semiconductor thermo-electric generation apparatus II is utilized between heat-transfer pipe and radiating tube
The temperature difference realize energy conversion, and the electric power obtained is supplied to the supply of electric power of top electrical equipment, wherein, described semiconductor
Temperature difference electricity generation device II includes radiating tube, semiconductor temperature differential generating piece, heat conductive silica gel and conductive sole plate, the uniform cloth of radiating tube
It is placed in conductive sole plate and is wrapped on the outside of the heat-transfer pipe for posting semiconductor temperature differential generating piece, connection semiconductor temperature differential generating piece
Wire is embedded in heat conductive silica gel, along core stake side wall heat-transfer pipe draw ground, and successively with DC/DC converters, battery
Connected with electrical equipment;The outside of DC/DC converters, battery and electrical equipment sets protective cover to protect;Radiating tube individually connects
Water pump II is for liquid circulation in radiating tube;Semiconductor temperature differential generating piece realizes energy by the temperature difference between heat-transfer pipe and radiating tube
Source converts, and the electric power obtained is sequentially connected DC/DC converters using wire, battery supplies for the electric power of top electrical equipment
Should.
2. CCHP high pressure rotary spraying core inserting built pile system according to claim 1, it is characterised in that described half
Conductor temperature difference electricity generation device I includes semiconductor temperature differential generating piece, heat conductive silica gel and heat conduction overcoat, the semiconductor temperature differential generating
Piece is pasted onto on the outside of heat-transfer pipe using heat conductive silica gel, and heat conduction overcoat, semiconductor temperature difference are set on the outside of semiconductor temperature differential generating piece
Power generation sheet realizes thermoelectric conversion using the temperature difference between heat-transfer pipe and Pile side soil body, and utilizes wire by semiconductor temperature differential generating institute
The electric power of acquisition is sequentially connected DC/DC converters, battery supplies the supply of electric power of top electrical equipment.
3. CCHP high pressure rotary spraying core inserting built pile system according to claim 1, it is characterised in that described height
Pressure rotary-spraying lock pin combination pile is combined by high-pressure rotary jet grouting pile and core stake two parts;Wherein, the stake footpath of described high-pressure rotary jet grouting pile
For 600~1000mm, a length of 20~40m of stake, grouting serous fluid is cement grout, and cement grade is the cement mortar not less than 42.5 grades
The one or more added in liquid in Extra-fine sand, flyash, early strength agent, accelerator or waterglass;The stake of described core stake is a length of
20~40m is I-shaped steel core stake or is the stake of prestressing force tube core or is steel pipe core stake, and I-shaped steel core stake cross section is a height of
200~400mm, a width of 200~400mm, 8~12mm of web thickness, prestressing force tube core stake overall diameter are 600~800mm, wall thickness
150~300mm, steel pipe core stake overall diameter are 500~800mm, 8~12mm of wall thickness.
4. CCHP high pressure rotary spraying core inserting built pile system according to claim 1, it is characterised in that described biography
Heat pipe is polyethylene pipe, its external diameter, wall thickness and length according to core stake stake is long and heat-transfer pipe pipe laying arrangement form it needs to be determined that;It is described
Heat-transfer pipe is fixed and is embedded in core stake side wall;Heat-transfer pipe pipe laying form is any one in single U-shaped, dual U-shaped or W forms or several
Kind combination.
5. CCHP high pressure rotary spraying core inserting built pile system according to claim 1, it is characterised in that described water
Pump I is located at earth's surface, and its power is 0.55~1.2kw;The valve is electric two-way valve door;The heat transmission equipment is air-conditioning equipment
In fan coil.
6. CCHP high pressure rotary spraying core inserting built pile system according to claim 2, it is characterised in that described half
In conductor temperature difference electricity generation device I, the thermal conductivity factor of the heat conductive silica gel is 0.6~1.5W/ (mK), have high-adhesion can and
Superpower heat-conducting effect, will not solidification, will not be conductive characteristic;The heat conduction overcoat is that stainless steel iron sheet or silica gel base are answered
Condensation material, prevent semiconductor temperature differential generating piece from being damaged in work progress;The DC/DC converters are located at earth's surface, are booster type
DC/DC converters;The battery is located at earth's surface, be lead accumulator or lithium-ions battery or lithium ion polymer battery or
Cadmium-nickel storage cell;The wire is embedded in heat conductive silica gel.
7. CCHP high pressure rotary spraying core inserting built pile system according to claim 1, it is characterised in that described half
In conductor temperature difference electricity generation device II, the radiating tube is polyethylene pipe or metal tube, and its external diameter is 10~20mm, wall thickness is 3~
4mm, length are 5~15m;The power of the water pump II is 5~15w;The DC/DC converters are step-up DC/DC converters;
The battery is one kind in lead accumulator or lithium-ions battery or lithium ion polymer battery or cadmium-nickel storage cell;Institute
State the DC/DC converters in semiconductor thermo-electric generation apparatus II and battery is arranged on core stake madial wall or lateral wall, be used in combination
Underground radiation equipment protection cover carries out waterproof and preventing collision protection.
8. a kind of construction method of CCHP high pressure rotary spraying core inserting built pile system, it is characterised in that comprise the following steps:
(1) semiconductor thermo-electric generation apparatus I makes:Heat-transfer pipe is selected according to design requirement, on the outside of the heat-transfer pipe of design attitude
Semiconductor temperature differential generating piece is pasted using heat conductive silica gel, the wire of connection semiconductor temperature differential generating piece is embedded in heat conductive silica gel,
And ground is drawn, it is connected successively with DC/DC converters, battery and electrical equipment;By the biography containing semiconductor temperature differential generating piece
Heat pipe is fixed on core stake side wall;
(2) semiconductor thermo-electric generation apparatus II makes:Material, the width of conductive sole plate are selected according to design requirement, at heat conduction bottom
Uniform radiating tube is arranged on plate, and radiating tube is wrapped on the outside of the heat-transfer pipe for posting semiconductor temperature differential generating piece, connection half
The wire of conductor thermo-electric generation sheet is embedded in heat conductive silica gel, along core stake side wall heat-transfer pipe draw ground, successively with DC/DC
Converter, battery connect with electrical equipment;Radiating tube individually connects water pump II for liquid circulation in radiating tube;DC/DC is converted
Protective cover is set outside device, battery and electrical equipment;
(3) high pressure rotary spraying core inserting combination pile driving construction:According to upper load amount, design and determine the shape of high pressure rotary spraying core inserting built pile
Formula, stake spacing and clump of piles arrangement form, core pile installation, length and diameter, the length of high-pressure rotary jet grouting pile, diameter, construction
Machinery, nozzle type and concrete grade;Consider long stake, stake spacing, geothermal energy storage capacity, the air-conditioning of top-out
System and electrical equipment demand for energy, design heat-transfer pipe pipe laying form;Make band heat-transfer pipe, semiconductor thermo-electric generation apparatus I
With semiconductor thermo-electric generation apparatus II core stake;Mud off, which is set, draws hole, construction high-pressure rotary jet grouting pile to projected depth, core-inserting pile
Construction, complete high pressure rotary spraying core inserting built pile system construction;
(4) freeze, heat connects with electric power system:Heat-transfer pipe and water pump I, heat transmission equipment are connected and composed into shallow layer geothermal energy air-conditioning
System, refrigeration or heating are provided for upper building;Wire is connected with DC/DC converters, battery and electrical equipment successively
Shallow layer geothermal energy thermo-electric generation system is formed, electric power is provided for top-out;According to the total amount deposit of shallow layer geothermal energy and top
Building power supply, refrigeration or heating conditions of demand, selection only air-conditioning system, only thermo-electric generation system or air-conditioning system and
Thermo-electric generation system uses simultaneously;The final construction and application for realizing CCHP high pressure rotary spraying core inserting built pile system.
9. construction method according to claim 8, it is characterised in that in step (1), semiconductor temperature differential generating piece is embedded in
On the outside of 10~below 15m heat-transfer pipes;Pipe laying form is any one or a few the combination in single U-shaped, dual U-shaped or W forms.
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PCT/CN2017/080632 WO2018014609A1 (en) | 2016-07-18 | 2017-04-14 | Jet grouting soil-cement-pile strengthened pile system for combined cooling, heat and power generation and construction method therefor |
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CN106168417B (en) * | 2016-07-18 | 2018-02-06 | 河海大学 | A kind of CCHP high pressure rotary spraying core inserting built pile system and its construction method |
US10527319B2 (en) | 2017-06-15 | 2020-01-07 | Bic Inc. | Geothermal heat exchange system and construction method thereof |
CN107332331A (en) * | 2017-08-28 | 2017-11-07 | 浙江科技学院(浙江中德科技促进中心) | Immersed tube tunnel pipeline section and power-economizing method in the native rock layers in the bottom with energy-conserving action |
CN108457609A (en) * | 2018-03-23 | 2018-08-28 | 吉林大学 | A kind of temperature difference power generation type high temperature mud cooling recirculation system |
CN112279618A (en) * | 2020-11-12 | 2021-01-29 | 中冶成都勘察研究总院有限公司 | Additive for high-pressure rotary spraying construction |
NL1044009B1 (en) * | 2021-04-22 | 2022-11-01 | Lodewijk Peter Ruijters Drs | Shallow depth geothermal electricity generator |
CN114809128B (en) * | 2022-05-12 | 2023-07-21 | 南京工业大学 | Heating-prepressing-electroosmosis self-supply energy circulation soft soil consolidation simulation box |
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