CN105698582B - Improve the preset energy ball geothermal heat exchanger of heat transfer efficiency - Google Patents
Improve the preset energy ball geothermal heat exchanger of heat transfer efficiency Download PDFInfo
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- CN105698582B CN105698582B CN201610058212.4A CN201610058212A CN105698582B CN 105698582 B CN105698582 B CN 105698582B CN 201610058212 A CN201610058212 A CN 201610058212A CN 105698582 B CN105698582 B CN 105698582B
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- Prior art keywords
- heat exchanger
- energy ball
- exchanger tube
- stirrup
- preset energy
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/06—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
- F28F21/062—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material the heat-exchange apparatus employing tubular conduits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/09—Improving heat transfers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/0056—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using solid heat storage material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D2020/0004—Particular heat storage apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D2020/0065—Details, e.g. particular heat storage tanks, auxiliary members within tanks
- F28D2020/0078—Heat exchanger arrangements
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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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- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
Patent of the present invention discloses the preset energy ball geothermal heat exchanger for improving heat transfer efficiency, and spheroid skeleton is made up of the construction muscle and stirrup being connected with each other；The construction muscle is rounded, and quantity is two groups or more, forms the warp of spheroid；The stirrup is in regular polygon, forms the parallel of spheroid；The heat exchanger tube being made up of the inducer, pigtail and outlet section being connected is set in spheroid skeleton, inducer is arranged on the inside of the stirrup at top, pigtail is along spheroid skeleton screw arrangement, outlet section is located at the center of stirrup, and inducer and outlet section all stretch out a segment distance at the top of spheroid skeleton straight up；The filling backfill material in spheroid skeleton.The present invention heat exchanger, heat exchanger tube globally screw arrangement, the mutual stagger arrangement of horizontal direction of spiral heat exchange tube, weaken adjoining spiral pipe in the vertical direction heat interference so that improve helix tube vertically on heat-transfer capability；360 ° of heat exchange further increase the heat energy power between heat exchanger and the soil body between heat exchanger and the soil body.
Description
Technical field
The present invention relates to the technical field of earth-source hot-pump system underground pipe, more particularly to a kind of can improve the pre- of heat transfer efficiency
Energy ball heat exchanger processed, is primarily adapted for use in the soil technical field of heat pumps of building heating cooling.
Background technology
Soil source heat pump system is used as low-grade Cooling and Heat Source by the use of underground shallow layer Rock And Soil（Or heat sink）, because underground is certain
The ground temperature of depth is more constant, and temperature range is conducive to source pump Effec-tive Function, therefore can effectively reduce unit fortune
Row energy consumption, fast development is obtained in building energy saving field.Ground heat exchanger is the core component of soil source heat pump system, and it is changed
The thermal efficiency determines underground pipe system design length and runing adjustment control method.In engineering practice, vertical single U-shaped and double U
Type ground heat exchanger is widely used, but its drilling is general in 50m ~ 120m scopes, for southwest regional such as Chongqing, Chengdu
The region of complex geologic conditions, difficulty of construction is big, and preceding initial investment is big, and the popularization that its economy constrains Vertical pendulum tiltmeters should
With.In addition, vertical ground heat exchanger has hot short circuit phenomenon in more serious drilling, heat exchange efficiency is caused to reduce.In recent years
Come, one kind can rely on building foundation to bury heat exchanger, greatly reduce drilling expense, its better economy energy stake technology is obtained
To extensive use.Energy stake heat exchanger tube usually using double-U-shaped, double-U-shaped and screw type of connecting arrangement in parallel, improves heat transfer effect
Rate, particularly screw type energy pile, considerably increase the contact area of heat exchanging fluid and the periphery soil body, and its heat exchange efficiency is obtained greatly
The raising of amplitude.Correlative study is it has been shown that pitch is to influence the key factor of screw type energy stake heat transfer efficiency, due to tradition
Spiral heat exchange tube pitch it is smaller, cause the more obvious hot interference phenomenon of presence between axially adjacent helix tube, restriction
The raising of screw type energy stake heat transfer efficiency, therefore how to reduce the hot annoyance level of axially adjacent helix tube, to improving spiral
Type energy pile heat transfer efficiency plays an important roll.
Before making the present invention, Chinese invention patent " a kind of construction method of precast energy pile "（The patent No.：
ZL201310441978.7）Disclose one kind heat exchanger tube is embedded in hollow steel pipe, hollow steel pipe replaces traditional solid steel pipe
It is used as the energy pile construction technology scheme of prefabricated pile cage bar.The technical scheme solves heat exchanger tube and buries what is caused with cage bar colligation
Interfere, concrete density, the technical problem such as reinforcement corrosion, with pipe laying survival rate height, short construction period, the underground space
And the advantage that construction costs is saved.But, its pipe laying arrangement form is Vertical U-type, the contact area of heat exchanging fluid and the soil body compared with
Small, heat exchange amount and heat exchange efficiency are not as good as the stake of screw type energy.Chinese invention patent " a kind of hexagon precast energy pile and its making
Method "（Patent No. CN103498470A）Disclose a kind of hexagon drift angle is located at, the hollow steel pipe for being embedded with heat-transfer pipe is made
The energy stake technical scheme of cage bar is constructed for prefabricated pile；Heat-transfer pipe is embedded in hollow steel pipe by the technical scheme, is effectively solved
Heat-transfer pipe and reinforcing bar colligation be embedded cause interfere, concrete density is uneven, steel reinforcement cage is perishable and bored concrete pile
The low technical problem of base total bearing capacity；And pipe laying survival rate is higher, it is easy to pile body largely to stack and transportation safety, work of constructing
Phase is short, the underground space and construction costs are saved.But, its heat exchanger embedding manner is Vertical pendulum tiltmeters, heat exchanging fluid and surrounding
The contact area of the soil body is limited, and heat exchange amount and heat exchange efficiency are not as good as the stake of screw type energy.
The content of the invention
The problem of patent of the present invention is directed to current ground source heat pump technology current situation and existed, to improve ground heat exchanger
Heat exchange efficiency, weaken the Axial Thermal interference between spiral underground pipe, design a kind of preset energy ball for improving heat transfer efficiency
Heat exchanger.
The technical scheme of patent of the present invention：The preset energy ball geothermal heat exchanger of heat transfer efficiency, including spheroid skeleton are improved,
It is characterized in that：The spheroid skeleton constructs muscle by preset energy ball and preset energy ball stirrup is constituted；The preset energy ball
Construct muscle rounded, quantity is two groups or more, vertically circumferentially 360 degree of directions are set, and form the warp of spheroid；It is described prefabricated
Energy ball stirrup is in regular polygon, is laterally set along short transverse, forms the parallel of spheroid；Preset energy ball stirrup is using welding
Or the mode of colligation is connected on corresponding preset energy ball construction muscle；
Heat exchanger tube is set in spheroid skeleton, and the heat exchanger tube includes heat exchanger tube inducer, the spiral heat exchange tube being connected
Section and heat exchanger tube outlet section, spiral heat exchange tube section are located between heat exchanger tube inducer, heat exchanger tube outlet section；Heat exchanger tube inducer is set
Put on the inside of the stirrup at top, spiral heat exchange tube section is located at the center of stirrup along spheroid skeleton screw arrangement, heat exchanger tube outlet section,
Lower end is connected with the tail end of spiral heat exchange tube section；Heat exchanger tube inducer and heat exchanger tube outlet section all stretch out spheroid skeleton straight up
The segment distance of top one；
Backfill material is all filled in the filling backfill material in spheroid skeleton, or its medial and lateral.
Further feature is：Heat exchanger tube pigtail arranges that pitch is 100 ~ 300mm according to spherical helix form；Edge
The hand of spiral constructs heat exchanger tube pigtail successively colligation on muscle or preset energy ball stirrup in preset energy ball, forms heat exchange
The pigtail of pipe.
Heat exchanger tube tubing is vinyl tube or Polybutylene Pipe.
Spiral heat exchange tube section is connected on preset energy ball construction muscle and/or preset energy ball stirrup outer surface.
Hoisting ring is provided with the top of spheroid skeleton, hoisting ring constructs muscle or the preset energy ball at top with preset energy ball
Stirrup is connected.
The preparation method for improving the preset energy ball heat exchanger of heat transfer efficiency, it comprises the following steps：
（1）According to technological requirement, preset energy ball heat exchanger construction muscle, the parameter of stirrup, processing construction muscle, hoop are determined
Muscle, and construction muscle and stirrup are carried out tying up shaping；
（2）Heat exchanger tube is set on the Surface of Sphere tied up：According to technological requirement, the heat exchanger tube of helical form arrangement is determined
Pitch, according to the pitch of determination, by heat exchanger tube successively colligation on construction muscle, forms the pigtail of heat exchanger tube；
（3）The fixation of heat exchanger tube outlet pipe section：Vertically by the heat exchanger tube outlet pipe section after insulation, colligation exists successively
The center of bottom stirrup and top stirrup；
（4）Water test is carried out to the heat exchanger tube that connection is finished, the sealing of heat exchanger tube is examined.
（5）The excavation shaping of energy ball stake well：According to the parameter of above-mentioned determination, construction work is carried out in engineering site
Industry, excavates solum, is met the energy ball stake well of next step construction requirement；
（6）The spheroid skeleton for having tied up heat exchanger tube is placed in energy ball stake well, expected using backfill, to spheroid skeleton
It is inside and outside to be backfilled, obtain described preset energy ball heat exchanger.
Inducer and outlet pipe section are incubated, heat-insulation layer uses polyurethane foam plastics or compound insulating material,
Insulation material is wound on certain length inducer and outlet pipe section, insulation layer thickness is 20 ~ 30mm.
Relative to prior art, patent of the present invention has following features：
1st, the heat exchanger tube of the preset energy ball heat exchanger of patent of the present invention globally screw arrangement, the level of spiral heat exchange tube
The mutual stagger arrangement in direction, weakens the heat interference of adjoining spiral pipe in the vertical direction, so as to improve helix tube vertically
On heat-transfer capability；
2nd, the heat-transfer surface that energy ball exchanger is contacted with the soil body is spherical, and in conventional energy stake heat exchange only in horizontal direction
Compare, 360 ° of heat exchange between energy ball heat exchanger and the soil body（Energy top dome portion and bottom also assist in heat transfer process）, further carry
High heat energy power between heat exchanger and the soil body.
3rd, energy bulb diameter about 1000 ~ 2000mm that the present invention is designed, the more traditional underground pipe of cutting depth（Vertical U-type, energy
Measure stake）Shallow, excavated volume is small, and depth as shallow is prevented effectively from the problem of caving in.
Brief description of the drawings
Fig. 1 is preset energy ball three-dimensional structure diagram of the present invention.
Fig. 2 is preset energy ball planar structure schematic diagram of the present invention.
Fig. 3 is preset energy ball vertical structure schematic diagram of the present invention.
In figure：1-preset energy ball hoisting ring；2-heat exchanger tube inducer；3-heat exchanger tube outlet section；4-preset energy
Ball stirrup；5-spiral heat exchange tube section；6-preset energy ball constructs muscle；8-backfill material；10-spheroid skeleton.
Embodiment
Illustrate the embodiment of narration patent of the present invention in detail below in conjunction with the drawings and specific embodiments
The present invention shown in Fig. 1-Fig. 3 improves the structure chart of the preset energy ball geothermal heat exchanger of heat transfer efficiency, including ball
Body skeleton 10, the spheroid skeleton 10 constructs muscle 6 by preset energy ball and preset energy ball stirrup 4 is constituted, a diameter of 1000 ~
2000mm；The preset energy ball construction muscle 6 is rounded, and quantity is two groups or more, and vertically circumferentially 360 degree of directions are set,
The warp of spheroid is formed, preset energy ball constructs the diameter specific energy small 60 ~ 100mm of ball diameter of muscle 6, and bar diameter is 15
~ 25mm, it is illustrated that in totally three groups of construction muscle 6, muscle 6 is upper and lower respectively intersects at same point for preset energy ball construction, using welding or tie up
The mode of bundle is connected, and preset energy ball stirrup 4 is in regular polygon, such as equilateral triangle, square（Including rectangle）, positive five side
Shape, regular hexagon, positive heptagon, octagon etc.；It is regular hexagon shown in figure, the length of side is 300 ~ 1000mm, stirrup spacing
200 ~ 400mm, a diameter of 6 ~ 10mm of steel used in stirrup, more than three groups of stirrup, it is illustrated that be five groups；The preset energy laterally set
Short transverse of the ball stirrup 4 along spheroid is horizontally disposed with, and forms the parallel of spheroid；Preset energy ball stirrup 4 is using welding or colligation
Mode be connected on corresponding preset energy ball construction muscle 6, form spheroid skeleton 10.
Heat exchanger tube is set in spheroid skeleton 10, and the heat exchanger tube includes heat exchanger tube inducer 2, the spiral heat exchange being connected
Pipeline section 5 and heat exchanger tube outlet section 3, spiral heat exchange tube section 5 are located between heat exchanger tube inducer 2, heat exchanger tube outlet section 3；Heat exchanger tube
The selection of pipe polyethylene（PE）Tubing or polybutene（PB）Tubing, internal diameter is 25 ~ 32mm, 5 ~ 8mm of thickness of pipe wall, and length of tube is according to energy
Ball actual size is measured to determine.Heat exchanger tube inducer 2 is arranged on（It is fixed on）The inner side of stirrup 4 at top, spiral heat exchange tube section 5
Along spheroid skeleton 10（The Surface of Sphere of the preset energy ball construction formation of muscle 6）Spherical helix is arranged, is specifically located at spheroid skeleton 10
Outer surface（Connection or colligation are constructed on muscle 6 and/or the outer surface of preset energy ball stirrup 4 in preset energy ball）；Heat exchanger tube spiral
Pipeline section 5 arranges that pitch is 50 ~ 200mm between spiral heat exchange tube according to spherical helix form；Heat exchanger tube outlet section 3 is located at stirrup 4
Center, the tail end of lower end and spiral heat exchange tube section 5 connects, fixed by bottom and top stirrup；Heat exchanger tube inducer 2 and change
Heat pipe outlet section 3 all stretches out one segment distance of the top of spheroid skeleton 10 straight up, such as 100 ~ 200mm, in order to system level
Collector is connected；When carrying out isothermal holding if desired for the vertical pipeline section for exchanging heat pipe inducer 2 and heat exchanger tube outlet section 3, heat-insulation layer
Using the material of good heat insulating, such as polyurethane foam plastics, compound insulating material etc., in heat exchanger tube inducer 2 and heat exchanger tube
Heat-insulation layer is laid on outlet section 3；Insulation layer thickness is 20 ~ 30mm；Inducer 2 and outlet section 3 after insulation is distinguished into colligation to exist
Fixed on correspondence stirrup 4；Constructed for ease of preset energy ball, the top of spheroid skeleton 10 is provided with hoisting ring 1 and construction muscle 6
Or the stirrup 4 at top is connected；Exchange heat pipe and carry out water test, examine the sealing of heat exchanger tube.
Backfill material 8 is all filled in the filling backfill material 8 in spheroid skeleton 10, or its medial and lateral, constitutes preset energy ball heat
Exchanger.Present invention backfill material 8 can use multiple material：Such as common concrete, bentonite and quartz sand（Or cement）It is mixed
Slurry is closed, or the preferable backfilling material of other heat conductivilitys is selected according to geological conditions and construction experience.Using concrete conduct
During backfill material, because energy ball is typically not subject to load, concrete can be using the relatively low C15 concrete of intensity（Or other kinds
Class）, mix up the proportioning of concrete and stir, concrete is injected to the energy ball stake well to be backfilled using concrete pump
Inside, once-cast is completed during backfill.Using bentonite and quartz sand（Cement）Mixing slurry when being backfilled, bentonitic ratio
Example is preferably 4% -6%, to improve the heat transfer coefficient of backfill material.In backfilling process, vibration tamp should be carried out using tamping apparatus.Energy
Amount ball backfill finishes the maintenance by 20 ~ 30 days, and with reference to the construction of level header, energy top dome portion overburden layer is entered using original soil
Row is backfilling and compacted.
The excavation shaping of energy ball stake well：With reference to construction operation field condition, the excavation position of energy ball stake well is determined, and
The overburden layer that cleaning ground and ground top layer are made up of rubble, weeds, debris etc., cleaning thickness is not less than 1.5m, with prefabricated energy
The reference plane for measuring the top apex horizontal section of ball heat exchanger spheroid 7 to excavate.According to construction area landform and operating condition, adopt
With mechanical borehole or half mechanical borehole mode, according to the design size of preset energy ball heat exchanger（Diameter 1000 ~
2000mm）, preset energy ball ball well is molded.Excavate after shaping, carrying out compacting to bottom prevents sedimentation from causing horizontal tube
Stretcher strain, causes joint leak, decompression；And the thick cement mortar of 10 ~ 20mm is smeared on the hemisphere face of energy ball stake underground,
Ensure the hemispherical round and smooth degree of energy ball exchanger base.
The preparation method for improving the preset energy ball geothermal heat exchanger of heat transfer efficiency, comprises the following steps：
（1）According to technological requirement, preset energy ball heat exchanger construction muscle, the parameter of stirrup, processing construction muscle, hoop are determined
Muscle, and construction muscle and stirrup are carried out tying up shaping, obtain spheroid skeleton；
（2）Heat exchanger tube is set on the spheroid skeleton tied up：According to technological requirement, the heat exchanger tube of helical form arrangement is determined
Pitch, according to the pitch of determination, heat exchanger tube is set gradually（Colligation）Constructed in structure on muscle and/or stirrup, form heat exchanger tube
Pigtail；
（3）The fixation of heat exchanger tube outlet pipe section：Vertically by the heat exchanger tube outlet pipe section after insulation, colligation exists successively
The center of bottom stirrup and top stirrup；
（4）Water test is carried out to the heat exchanger tube that connection is finished, the sealing of heat exchanger tube is examined.
（5）The excavation shaping of energy ball stake well：According to the parameter of above-mentioned determination, construction work is carried out in engineering site
Industry, excavates solum, is met the energy ball stake well of next step construction requirement；
（6）The spheroid skeleton for having tied up heat exchanger tube is placed in energy ball stake well, expected using backfill, to spheroid skeleton
It is inside and outside to be backfilled, obtain described preset energy ball heat exchanger.
Isothermal holding is carried out to inducer and outlet pipe section, heat-insulation layer uses polyurethane foam plastics or complex heat-preservation material
Material, winds insulation material on certain length inducer and outlet pipe section, and insulation layer thickness is 20 ~ 30mm.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than restriction technologies side
Case, although the present invention is described in detail with reference to preferred embodiment by applicant, one of ordinary skill in the art should manage
Solution, those modify or equivalent substitution to technical scheme, without departing from the objective and scope of the technical program,
It all should cover among scope of the presently claimed invention.
Claims (7)
1. the preset energy ball geothermal heat exchanger of heat transfer efficiency is improved, including spheroid skeleton（10）, it is characterised in that：The spheroid
Skeleton（10）Muscle is constructed by preset energy ball（6）With preset energy ball stirrup（4）Constitute；The preset energy ball constructs muscle（6）
Rounded, quantity is two groups or more, and vertically circumferentially 360 degree of directions are set, and form the warp of spheroid；The preset energy ball
Stirrup（4）In regular polygon, laterally set along short transverse, form the parallel of spheroid；Preset energy ball stirrup（4）Using welding
Or the mode of colligation is connected to corresponding preset energy ball construction muscle（6）On；
In spheroid skeleton（10）Interior setting heat exchanger tube, the heat exchanger tube includes the heat exchanger tube inducer being connected（2）, spiral heat exchange
Pipeline section（5）With heat exchanger tube outlet section（3）, spiral heat exchange tube section（5）Positioned at heat exchanger tube inducer（2）, heat exchanger tube outlet section（3）It
Between；Heat exchanger tube inducer（2）It is arranged on the stirrup at top（4）Inner side, spiral heat exchange tube section（5）Along spheroid skeleton（10）Spiral cloth
Put, heat exchanger tube outlet section（3）Positioned at stirrup（4）Center, lower end and spiral heat exchange tube section（5）Tail end connection；Heat exchanger tube enters
Mouth section（2）With heat exchanger tube outlet section（3）Spheroid skeleton is all stretched out straight up（10）The segment distance of top one；
In spheroid skeleton（10）Interior filling backfill material（8）, or spheroid skeleton（10）All fill backfill material in medial and lateral（8）.
2. the preset energy ball geothermal heat exchanger of heat transfer efficiency is improved according to claim 1, it is characterised in that：Heat exchanger tube spiral shell
Coil section（5）Arranged according to spherical helix form, pitch is 100 ~ 300mm；Along the hand of spiral by heat exchanger tube pigtail（5）According to
Secondary colligation constructs muscle in preset energy ball（6）Or preset energy ball stirrup（4）On, form the pigtail of heat exchanger tube.
3. the preset energy ball geothermal heat exchanger of heat transfer efficiency is improved according to claim 2, it is characterised in that：Heat exchange tube
Material is vinyl tube or Polybutylene Pipe.
4. according to any preset energy ball geothermal heat exchanger for improving heat transfer efficiency of claim 1-3, it is characterised in that：
Spiral heat exchange tube section（5）It is connected to preset energy ball construction muscle（6）And/or preset energy ball stirrup（4）On outer surface.
5. according to any preset energy ball geothermal heat exchanger for improving heat transfer efficiency of claim 1-3, it is characterised in that：
In spheroid skeleton（10）Top is provided with hoisting ring（1）, hoisting ring（1）Muscle is constructed with preset energy ball（6）Or top is prefabricated
Energy ball stirrup（4）It is connected.
6. the preparation method of the preset energy ball geothermal heat exchanger of any described raising heat transfer efficiency of claim 1-5, it is special
Levy and be to comprise the following steps：
（1）According to technological requirement, preset energy ball heat exchanger construction muscle, the parameter of stirrup are determined, processing constructs muscle, stirrup, and
Construction muscle and stirrup are carried out tying up shaping；
（2）Heat exchanger tube is set on the Surface of Sphere tied up：According to technological requirement, the spiral shell of the heat exchanger tube of helical form arrangement is determined
Away from according to the pitch of determination, by heat exchanger tube successively colligation on construction muscle, the pigtail of formation heat exchanger tube；
（3）The fixation of heat exchanger tube outlet pipe section：Vertically by the heat exchanger tube outlet pipe section after insulation successively colligation in bottom
The center of stirrup and top stirrup；
（4）Water test is carried out to the heat exchanger tube that connection is finished, the sealing of heat exchanger tube is examined；
（5）The excavation shaping of energy ball stake well：According to the parameter of above-mentioned determination, construction operation is carried out in engineering site, is opened
Excavator body layer, is met the energy ball stake well of next step construction requirement；
（6）The spheroid skeleton for having tied up heat exchanger tube is placed in energy ball stake well, expected using backfill, inside and outside spheroid skeleton
Backfilled, obtain described preset energy ball heat exchanger.
7. the preparation method of the preset energy ball geothermal heat exchanger according to claim 6 for improving heat transfer efficiency, its feature
It is, inducer and outlet pipe section is incubated, insulation material is wound on certain length inducer and outlet pipe section, is incubated
Thickness degree is 20 ~ 30mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610058212.4A CN105698582B (en) | 2016-01-28 | 2016-01-28 | Improve the preset energy ball geothermal heat exchanger of heat transfer efficiency |
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| CN201610058212.4A CN105698582B (en) | 2016-01-28 | 2016-01-28 | Improve the preset energy ball geothermal heat exchanger of heat transfer efficiency |
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| DE3410325A1 (en) * | 1983-02-18 | 1985-10-24 | Horst Dipl.-Ing. 7530 Pforzheim Erdmann | Optimised geothermal heat exchanger and heat accumulator |
| CN1944807A (en) * | 2006-10-31 | 2007-04-11 | 张延军 | Heat insulation type multiple group tubular heat exchanger geo-energy converting prestress concrete tubular pile |
| CN104314074B (en) * | 2014-10-23 | 2016-01-20 | 南京工业大学 | With the prefabricated reinforced concrete pile tube of earth source heat pump double helix tubular exchanger |
| CN104912068B (en) * | 2015-05-27 | 2016-08-03 | 黄光勤 | Improve the hollow round table screw type energy pilework of heat transfer efficiency |
-
2016
- 2016-01-28 CN CN201610058212.4A patent/CN105698582B/en not_active Expired - Fee Related
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