CN103132517B - Ground source heat energy anchor pole with swelling heat exchanger and construction method - Google Patents
Ground source heat energy anchor pole with swelling heat exchanger and construction method Download PDFInfo
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- CN103132517B CN103132517B CN201310077182.8A CN201310077182A CN103132517B CN 103132517 B CN103132517 B CN 103132517B CN 201310077182 A CN201310077182 A CN 201310077182A CN 103132517 B CN103132517 B CN 103132517B
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- heat exchanger
- feed tube
- swelling heat
- swelling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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Abstract
A kind of ground source heat energy anchor pole with swelling heat exchanger, comprise the body of rod (1), the below of the body of rod (1) is provided with swelling heat exchanger (7), feed tube (5) and drain pipe (6) is provided with vertically side by side in the body of rod (1), the top of feed tube (5) and drain pipe (6) passes from the top of the body of rod (1), the liquid outlet of feed tube (5) is connected with described swelling heat exchanger (7), the inlet of drain pipe (6) is connected with described swelling heat exchanger (7), swelling heat exchanger (7) adopts to be made at the material of the unfolded state that can outwards expand during injection below 7MPa fluid in swelling heat exchanger (7), the outside of swelling heat exchanger (7) is coated with cement sand bed (20).Its object is to provide one can reduce earth source heat pump boring and bury cost underground, save land area, more energy-saving and environmental protection, the ground source heat energy anchor pole of the band swelling heat exchanger that heat exchange efficiency is high and construction method.
Description
Technical field
The present invention relates to a kind of ground source heat energy anchor pole with swelling heat exchanger and construction method.
Background technology
Earth-source hot-pump system tubular exchanger is embedded in underground to extract ground source heat energy, then ground source heat can be supplied to building, but existing earth source heat pump due to the aqueous medium in tubular exchanger shorter in the time of staying of underground, and the sandstone soil of underground and the contact area of heat exchanger less, cause heat transfer effect undesirable.
Summary of the invention
The object of the present invention is to provide one can reduce earth source heat pump boring and bury cost underground, save land area, more energy-saving and environmental protection, the ground source heat energy anchor pole of the band swelling heat exchanger that heat exchange efficiency is high and construction method.
The ground source heat energy anchor pole of band swelling heat exchanger of the present invention, comprise the body of rod, the below of the described body of rod is provided with swelling heat exchanger, feed tube and drain pipe is provided with side by side vertically in the body of rod, the top of feed tube and drain pipe passes from the top of the body of rod, the liquid outlet of feed tube is connected with described swelling heat exchanger, the inlet of described drain pipe is connected with described swelling heat exchanger, swelling heat exchanger adopts the material of the unfolded state that can outwards expand when injecting 7MPa fluid in swelling heat exchanger to make, and the outside of swelling heat exchanger is coated with cement sand bed.
The ground source heat energy anchor pole of band swelling heat exchanger of the present invention, in spherosome or the water-drop-shaped of oval ball or cylinder or triangular-section cylinder or square-section cylinder or hexagonal cross-section cylinder or octagonal cross-section cylinder or top is little, bottom is large truncated cone-shaped cylinder or the spherosome of water-drop-shaped or multiple series connection or the oval ball of multiple series connection or multiple series connection after wherein said swelling heat exchanger expands and launches.
The ground source heat energy anchor pole of band swelling heat exchanger of the present invention, steel strand or the reinforcing bar of Grouting Pipe and more than one is provided with vertically in the wherein said body of rod, bottom in the body of rod is provided with supporting body, supporting body and steel strand or be with sleeve pipe reinforcing bar to be fixedly linked, multiple isolation locating rack is interval with from top to bottom in the described body of rod, described Grouting Pipe, described steel strand or reinforcing bar, described feed tube and described drain pipe are fixedly linked with each isolation locating rack respectively, described swelling heat exchanger adopts thickness to be that the high strength anti-seepage geomembrane of 0.4-2mm or High-strength composite geotextile fabric or high strength gluing non-woven fabrics or stalloy or rolled tin iron are made.
The ground source heat energy anchor pole of band swelling heat exchanger of the present invention, the middle part of wherein said swelling heat exchanger is provided with Grouting Pipe via hole vertically, and described Grouting Pipe extends to the below of swelling heat exchanger through swelling heat exchanger along Grouting Pipe via hole.
The ground source heat energy anchor pole of band swelling heat exchanger of the present invention, the wall pressed on ring of wherein said swelling heat exchanger is arranged with more than one squeezed ring, the squeezed ring cross section after launching of expanding is the semicircle of outwardly convex or triangle or rectangle or trapezoidal, the edge of squeezed ring and the wall of swelling heat exchanger are connected as one, described steel strand are non-bending steel cable, described reinforcing bar is band sleeve pipe reinforcing bar, distance between adjacent described isolation locating rack is 0.5-2 rice, the liquid outlet of described feed tube is positioned at the bottom of described swelling heat exchanger, the inlet of described drain pipe is positioned at the top of described swelling heat exchanger.
The ground source heat energy anchor pole of band swelling heat exchanger of the present invention, the ground being wherein positioned at described body of rod top periphery is equipped with bed course, the top of bed course is equipped with base plate, the top of base plate is equipped with anchor slab, the top of anchor slab is provided with locking device, described steel strand or described reinforcing bar are connected with locking device after being upward through described bed course, described base plate and described anchor slab, described Grouting Pipe is upward through bed course, base plate and anchor slab, the thickness of described cement sand bed is 0.2-1 rice, and the volume of described swelling heat exchanger inside is 1-20 cubic meter.
The ground source heat energy anchor pole of band swelling heat exchanger of the present invention, the import of wherein said feed tube is connected with the outlet of horizontal feed tube, be connected with outer pipeline after horizontal feed tube horizontally passes through described bed course, the outlet of described drain pipe is connected with the import of horizontal drain pipe, be connected with outer pipeline after horizontal drain pipe horizontally passes through described bed course, the lateral wall of horizontal feed tube and horizontal drain pipe is coated with insulation layer, outside insulation layer, is set with protective metal shell pipe.
The ground source heat energy anchor pole of band swelling heat exchanger of the present invention, wherein said feed tube and described drain pipe are connected with outer pipeline after being upward through described bed course, described base plate and described anchor slab respectively, the lateral wall of feed tube and drain pipe is set with more piece metal sleeve, the inside wall of metal sleeve and be provided with multiple rubber O-ring seal between the lateral wall of feed tube and the lateral wall of drain pipe, is filled with expansive cement between the rubber O-ring seal in metal sleeve inside wall and feed tube lateral wall.
The construction method of the ground source heat energy anchor pole with swelling heat exchanger, is characterized in that: comprise the following steps:
A, by driller insertion, and drilling rod is positioned anchor hole position, in the boring of anchor hole position injection projected depth;
B, startup high-pressure injection pump, while carrying brill, carry out the high pressure jet grouting of clear water or cement-based grout in the bottom of anchor hole with the pressure of 20-40MPa, to expand the diameter of anchor hole bottom to designing requirement, and drilling rod and drill bit exited anchor hole gradually;
C, utilize isolating frame to carry out installation with drain pipe Grouting Pipe, feed tube to be connected, to allow the bottom of Grouting Pipe in the axial direction through swelling heat exchanger, then swelling heat exchanger is wrapped in Grouting Pipe, form an anchor hole plug-in unit;
D, design attitude anchor hole plug-in unit is inserted into along anchor hole in anchor hole slurries, water or the water containing antifreezing agent is entered to pressure injection in swelling heat exchanger by feed tube, swelling heat exchanger is expanded, then shutoff is carried out to the two ends of feed tube and drain pipe, enter in pipe to prevent mud, keep water in swelling heat exchanger, feed tube and drain pipe, during to ensure slip casting, swelling heat exchanger, feed tube and drain pipe are indeformable simultaneously;
E, by Grouting Pipe, backfill to be pressed into from bottom to top in anchor hole bottom anchor hole with grouting pump or slush pump, to carry out slip casting in anchor hole, until fill whole anchor hole.
The construction method of the ground source heat energy anchor pole of band swelling heat exchanger of the present invention, the high pressure jet grouting method in wherein said step B can adopt single pipe method or dual tube method or tri-tube method or multiple tube method, and the aperture of described anchor hole is 120-300mm; Also comprise in described step C and anchor bar steel twisted line or belt sleeve pipe reinforcing bar and utilize isolating frame to carry out installation to connect; In described step e, Grouting Pipe slip casting is on one side while promote it; Also be included in bed course in described step e and arrange horizontal feed tube and horizontal drain pipe, the import of described feed tube is connected with the outlet of horizontal feed tube, and the outlet of described drain pipe is connected with the import of horizontal drain pipe.
The ground source heat energy anchor pole of band swelling heat exchanger of the present invention and construction method, the below of its body of rod is provided with swelling heat exchanger, feed tube and drain pipe is provided with side by side vertically in the body of rod, the top of feed tube and drain pipe passes from the top of the body of rod, the liquid outlet of feed tube is connected with described swelling heat exchanger, the inlet of described drain pipe is connected with described swelling heat exchanger, swelling heat exchanger adopts the material of the unfolded state that can outwards expand when injecting below 7MPa fluid in swelling heat exchanger to make, and the outside of swelling heat exchanger is coated with cement sand bed.The recirculated water of air-conditioning system or heating system in use, can be delivered in swelling heat exchanger by feed tube by the ground source heat energy anchor pole of band swelling heat exchanger of the present invention, after heat energy is extracted in underground, then is sent back to air-conditioning system or heating system by drain pipe.Compared with existing pipeline type heat exchanger, because heat conduction current can stop the longer time at swelling heat exchanger, and cement sand bed can be outwards squeezed in underground, sandstone soil around compacting cement sand bed, therefore the heat exchange efficiency drastically increasing the ground source heat energy anchor pole of band swelling heat exchanger of the present invention.Due to take anchor bolt construction and earth source heat pump boring pipe laying construction integrated, greatly reduce cost, save land area, decrease the disturbance of construction heat exchanger, destruction, ensure that the security performance of heat exchanger, and the existence of heat exchange bar ensure that heat exchange efficiency, this anchor pole can not only play the object of anti-floating, the difference of ground source temperature and ambient temperature can be utilized again to carry out interchange of heat, to reach the target of energy-conserving and environment-protective.Therefore, the ground source heat energy anchor pole of band swelling heat exchanger of the present invention and construction method have and can reduce earth source heat pump boring and bury cost underground, save land area, improve efficiency of construction and heat exchange efficiency, the feature of also energy-saving and environmental protection more.
Below in conjunction with drawings and Examples in detail the present invention is described in detail.
Accompanying drawing explanation
Fig. 1 is the main pseudosection of the structural representation of the ground source heat energy anchor pole of band swelling heat exchanger of the present invention;
Fig. 2 is the sectional drawing in the A-A cross section of Fig. 1;
Fig. 3 is the main pseudosection of the structural representation of a kind of embodiment of the above ground portion of the ground source heat energy anchor pole of band swelling heat exchanger of the present invention;
Fig. 4 is the main pseudosection of the structural representation of the another kind of embodiment of the above ground portion of the ground source heat energy anchor pole of band swelling heat exchanger of the present invention.
Detailed description of the invention
As depicted in figs. 1 and 2, the ground source heat energy anchor pole of band swelling heat exchanger of the present invention, comprise the body of rod 1, the body of rod 1 can adopt cement mortar to build and make, the below of the body of rod 1 is provided with swelling heat exchanger 7, feed tube 5 and drain pipe 6 is provided with vertically side by side in the body of rod 1, the top of feed tube 5 and drain pipe 6 passes from the top of the body of rod 1, the liquid outlet of feed tube 5 is connected with swelling heat exchanger 7, the inlet of drain pipe 6 is connected with swelling heat exchanger 7, swelling heat exchanger 7 adopts the material of the unfolded state that can outwards to expand when injecting below 7MPa heat-conducting fluid in swelling heat exchanger 7 to make.In spherosome or oval ball after swelling heat exchanger 7 expands and launches, swelling heat exchanger 7 also can be in cylinder or triangular-section cylinder after expanding and launching square-section cylinder or hexagonal cross-section cylinder or octagonal cross-section cylinder or top little, the water-drop-shaped of the spherosome of the truncated cone-shaped cylinder that bottom is large or water-drop-shaped or multiple series connection or the oval ball of multiple series connection or multiple series connection, the outside of swelling heat exchanger 7 is coated with cement sand bed 20, the wall pressed on ring of swelling heat exchanger 7 is arranged with more than one squeezed ring 10, squeezed ring 10 cross section after launching of expanding is the semicircle of outwardly convex or triangle or rectangle or trapezoidal, the edge of squeezed ring 10 and the wall of swelling heat exchanger 7 are connected as one.
Be provided with vertically in the above-mentioned body of rod 1 Grouting Pipe 2 and and 1 or 2 or 4 or 6 or 8 steel strand 3, or be provided with 1 or 2 or 4 or 6 or 8 band sleeve pipe reinforcing bars, bottom in the body of rod 1 is provided with one or more supporting bodies 4, supporting body 4 is with steel strand 3 or be with sleeve pipe reinforcing bar to be fixedly linked, multiple isolation locating rack 8 is interval with from top to bottom in the body of rod 1, Grouting Pipe 2, steel strand 3 or reinforcing bar, feed tube 5 and drain pipe 6 are fixedly linked with each isolation locating rack 8 respectively, swelling heat exchanger 7 adopts thickness to be that the high strength anti-seepage geomembrane of 0.4-2mm or High-strength composite geotextile fabric or high strength gluing non-woven fabrics or stalloy or rolled tin iron are made.
As improvement of the present invention, the middle part of above-mentioned swelling heat exchanger 7 is provided with Grouting Pipe via hole 19 vertically, and Grouting Pipe 2 extends to the below of swelling heat exchanger 7 through swelling heat exchanger 7 along Grouting Pipe via hole 19.
As a further improvement on the present invention, above-mentioned steel strand 3 are non-bending steel cable 3, reinforcing bar is band sleeve pipe reinforcing bar, distance between adjacent isolation locating rack 8 is 0.5-2 rice, the liquid outlet of described feed tube 5 is positioned at the bottom of swelling heat exchanger 7, and the inlet of described drain pipe 6 is positioned at the top of swelling heat exchanger 7.
As shown in Figure 3 and Figure 4, as a further improvement on the present invention, the above-mentioned ground being positioned at the body of rod 1 top periphery is equipped with bed course 11, the top of bed course 11 is equipped with base plate 12, the top of base plate 12 is equipped with anchor slab 13, the top of anchor slab 13 is provided with locking device 14, steel strand 3 or reinforcing bar are connected with locking device 14 after being upward through bed course 11, base plate 12 and anchor slab 13, Grouting Pipe 2 is upward through bed course 11, base plate 12 and anchor slab 13, the thickness of cement sand bed 20 is 0.2-1 rice, and the volume of swelling heat exchanger 7 inside is 1-20 cubic meter.
As shown in Figure 3, the import of above-mentioned feed tube 5 is connected with the outlet of horizontal feed tube 15, be connected with outer pipeline after horizontal feed tube 15 horizontally passes through bed course 11, the outlet of drain pipe 6 is connected with the import of horizontal drain pipe 16, be connected with outer pipeline after horizontal drain pipe 16 horizontally passes through bed course 11, the lateral wall of horizontal feed tube 15 and horizontal drain pipe 16 is coated with insulation layer, outside insulation layer, is set with protective metal shell pipe.
As shown in Figure 4, above-mentioned feed tube 5 and drain pipe 6 also can be connected with outer pipeline after being upward through bed course 11, base plate 12 and anchor slab 13 respectively, the lateral wall of feed tube 5 and drain pipe 6 is set with more piece metal sleeve, the inside wall of metal sleeve and be provided with multiple rubber O-ring seal 17 between the lateral wall of feed tube 5 and the lateral wall of drain pipe 6, is filled with expansive cement 18 between the rubber O-ring seal 17 in metal sleeve inside wall and feed tube 5 lateral wall.
The construction method of the ground source heat energy anchor pole of band swelling heat exchanger of the present invention, it comprises the following steps:
A, by driller insertion, and drilling rod is positioned anchor hole position, in the boring of anchor hole position injection projected depth;
B, startup high-pressure injection pump, while carrying brill, carry out the high pressure jet grouting of clear water or cement-based grout in the bottom of anchor hole with the pressure of 20-40MPa, to expand the diameter of anchor hole bottom to designing requirement, and drilling rod and drill bit exited anchor hole gradually;
C, Grouting Pipe 2, feed tube 5 and drain pipe 6 utilized and isolates locating rack 8 and carry out installation and be connected, allow the bottom of Grouting Pipe 2 in the axial direction through swelling heat exchanger 7, then swelling heat exchanger 7 is wrapped in Grouting Pipe 2, form an anchor hole plug-in unit;
D, design attitude anchor hole plug-in unit is inserted into along anchor hole in anchor hole slurries, water or the water containing antifreezing agent is entered to pressure injection in swelling heat exchanger 7 by feed tube 5, swelling heat exchanger 7 is expanded, then shutoff is carried out to the two ends of feed tube 5 and drain pipe 6, enter in pipe to prevent mud, keep water in swelling heat exchanger 7, feed tube 5 and drain pipe 6, during to ensure slip casting, swelling heat exchanger 7, feed tube 5 and drain pipe 6 are indeformable simultaneously.
E, by Grouting Pipe 2, backfill to be pressed into from bottom to top in anchor hole bottom anchor hole with grouting pump or slush pump, to carry out slip casting in anchor hole, until fill whole anchor hole.
High pressure jet grouting method in above-mentioned steps B can adopt single pipe method or dual tube method or tri-tube method or multiple tube method, and the aperture of anchor hole is 120-300mm; Also comprise in above-mentioned steps C and utilize isolating frame to carry out installation connection anchor bar steel twisted wire 3 or band sleeve pipe reinforcing bar; In above-mentioned steps E, Grouting Pipe 2 slip casting is on one side while promote it; Also be included in above-mentioned steps E in bed course 11 and arrange horizontal feed tube 15 and horizontal drain pipe 16, the import of feed tube 5 is connected with the outlet of horizontal feed tube 15, and the outlet of drain pipe 6 is connected with the import of horizontal drain pipe 16.
The ground source heat energy anchor pole of band swelling heat exchanger of the present invention in use, can the recirculated water of air-conditioning system or heating system be delivered in swelling heat exchanger 7 by feed tube 5, after heat energy is extracted in underground, then be sent back to air-conditioning system or heating system by drain pipe 6.Compared with existing pipeline type heat exchanger, because heat conduction current can stop the longer time at swelling heat exchanger 7, and cement sand bed 20 can be outwards squeezed in underground, sandstone soil around compacting cement sand bed 20, therefore the heat exchange efficiency drastically increasing the ground source heat energy anchor pole of band swelling heat exchanger of the present invention.Therefore, the ground source heat energy anchor pole energy-saving and environmental protection more of band swelling heat exchanger of the present invention.
Embodiment recited above is only be described the preferred embodiment for the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that the common engineers and technicians in this area make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determine.
Claims (10)
1. be with the ground source heat energy anchor pole of swelling heat exchanger, comprise the body of rod (1), it is characterized in that: the below of the described body of rod (1) is provided with swelling heat exchanger (7), feed tube (5) and drain pipe (6) is provided with vertically side by side in the body of rod (1), the top of feed tube (5) and drain pipe (6) passes from the top of the body of rod (1), the liquid outlet of feed tube (5) is connected with described swelling heat exchanger (7), the inlet of described drain pipe (6) is connected with described swelling heat exchanger (7), swelling heat exchanger (7) adopts to be made at the material of the unfolded state that can outwards expand during injection 7MPa fluid in swelling heat exchanger (7), the outside of swelling heat exchanger (7) is coated with cement sand bed (20).
2. the ground source heat energy anchor pole of band swelling heat exchanger as claimed in claim 1, is characterized in that: in spherosome or the water-drop-shaped of oval ball or cylinder or triangular-section cylinder or square-section cylinder or hexagonal cross-section cylinder or octagonal cross-section cylinder or top is little, bottom is large truncated cone-shaped cylinder or the spherosome of water-drop-shaped or multiple series connection or the oval ball of multiple series connection or multiple series connection after described swelling heat exchanger (7) expands and launches.
3. the ground source heat energy anchor pole of band swelling heat exchanger as claimed in claim 2, it is characterized in that: the steel strand (3) or the reinforcing bar that are provided with Grouting Pipe (2) and more than one in the described body of rod (1) vertically, bottom in the body of rod (1) is provided with supporting body (4), supporting body (4) is with steel strand (3) or be with sleeve pipe reinforcing bar to be fixedly linked, multiple isolation locating rack (8) is interval with from top to bottom in the described body of rod (1), described Grouting Pipe (2), described steel strand (3) or reinforcing bar, described feed tube (5) and described drain pipe (6) are fixedly linked with each isolation locating rack (8) respectively, described swelling heat exchanger (7) adopts thickness to be that the high strength anti-seepage geomembrane of 0.4-2mm or High-strength composite geotextile fabric or high strength gluing non-woven fabrics or stalloy or rolled tin iron are made.
4. the ground source heat energy anchor pole of band swelling heat exchanger as claimed in claim 3, it is characterized in that: the middle part of described swelling heat exchanger (7) is provided with Grouting Pipe via hole (19) vertically, described Grouting Pipe (2) extends to the below of swelling heat exchanger (7) through swelling heat exchanger (7) along Grouting Pipe via hole (19).
5. the ground source heat energy anchor pole of band swelling heat exchanger as claimed in claim 4, it is characterized in that: the wall pressed on ring of described swelling heat exchanger (7) is arranged with more than one squeezed ring (10), squeezed ring (10) cross section after launching of expanding is the semicircle of outwardly convex or triangle or rectangle or trapezoidal, the edge of squeezed ring (10) and the wall of swelling heat exchanger (7) are connected as one, described steel strand (3) are non-bending steel cable (3), described reinforcing bar is band sleeve pipe reinforcing bar, distance between adjacent described isolation locating rack (8) is 0.5-2 rice, the liquid outlet of described feed tube (5) is positioned at the bottom of described swelling heat exchanger (7), the inlet of described drain pipe (6) is positioned at the top of described swelling heat exchanger (7).
6. the ground source heat energy anchor pole of band swelling heat exchanger as claimed in claim 5, it is characterized in that: the ground being positioned at the described body of rod (1) top periphery is equipped with bed course (11), the top of bed course (11) is equipped with base plate (12), the top of base plate (12) is equipped with anchor slab (13), the top of anchor slab (13) is provided with locking device (14), described steel strand (3) or described reinforcing bar are upward through described bed course (11), described base plate (12) is connected with locking device (14) afterwards with described anchor slab (13), described Grouting Pipe (2) is upward through bed course (11), base plate (12) and anchor slab (13), the thickness of described cement sand bed (20) is 0.2-1 rice, the volume of described swelling heat exchanger (7) inside is 1-20 cubic meter.
7. the ground source heat energy anchor pole of band swelling heat exchanger as claimed in claim 6, it is characterized in that: the import of described feed tube (5) is connected with the outlet of horizontal feed tube (15), horizontal feed tube (15) is connected with outer pipeline after horizontally passing through described bed course (11), the outlet of described drain pipe (6) is connected with the import of horizontal drain pipe (16), horizontal drain pipe (16) is connected with outer pipeline after horizontally passing through described bed course (11), the lateral wall of horizontal feed tube (15) and horizontal drain pipe (16) is coated with insulation layer, protective metal shell pipe is set with outside insulation layer.
8. the ground source heat energy anchor pole of band swelling heat exchanger as claimed in claim 6, it is characterized in that: described feed tube (5) and described drain pipe (6) are upward through described bed course (11) respectively, described base plate (12) is connected with outer pipeline with after described anchor slab (13), the lateral wall of feed tube (5) and drain pipe (6) is set with more piece metal sleeve, multiple rubber O-ring seal (17) is provided with between the lateral wall of the inside wall of metal sleeve and feed tube (5) and the lateral wall of drain pipe (6), expansive cement (18) is filled with between rubber O-ring seal (17) in metal sleeve inside wall and feed tube (5) lateral wall.
9. be with the construction method of the ground source heat energy anchor pole of swelling heat exchanger, it is characterized in that: comprise the following steps:
A, by driller insertion, and drilling rod is positioned anchor hole position, in the boring of anchor hole position injection projected depth;
B, startup high-pressure injection pump, while carrying brill, carry out the high pressure jet grouting of clear water or cement-based grout in the bottom of anchor hole with the pressure of 20-40MPa, to expand the diameter of anchor hole bottom to designing requirement, and drilling rod and drill bit exited anchor hole gradually;
C, Grouting Pipe (2), feed tube (5) and drain pipe (6) utilized and isolates locating rack (8) and carry out installation and be connected, allow the bottom of Grouting Pipe (2) in the axial direction through swelling heat exchanger (7), again swelling heat exchanger (7) is wrapped in Grouting Pipe (2), forms an anchor hole plug-in unit;
D, design attitude anchor hole plug-in unit is inserted into along anchor hole in anchor hole slurries, water or the water containing antifreezing agent is entered to swelling heat exchanger (7) interior pressure injection by feed tube (5), swelling heat exchanger (7) is expanded, then shutoff is carried out to the two ends of feed tube (5) and drain pipe (6), enter in pipe to prevent mud, keep swelling heat exchanger (7), feed tube (5) and drain pipe (6) interior water, during to ensure slip casting, swelling heat exchanger (7), feed tube (5) and drain pipe (6) are indeformable simultaneously;
E, by Grouting Pipe (2), backfill to be pressed into from bottom to top in anchor hole bottom anchor hole with grouting pump or slush pump, to carry out slip casting in anchor hole, until fill whole anchor hole.
10. the construction method of the ground source heat energy anchor pole of band swelling heat exchanger as claimed in claim 9, it is characterized in that: the high pressure jet grouting method in described step B can adopt single pipe method or dual tube method or tri-tube method or multiple tube method, and the aperture of described anchor hole is 120-300mm; Also comprise in described step C and utilize isolating frame to carry out installation connection anchor bar steel twisted wire (3) or band sleeve pipe reinforcing bar; In described step e, Grouting Pipe (2) slip casting is on one side while promote it; Also be included in described step e in bed course (11) and horizontal feed tube (15) and horizontal drain pipe (16) are set, the import of described feed tube (5) is connected with the outlet of horizontal feed tube (15), and the outlet of described drain pipe (6) is connected with the import of horizontal drain pipe (16).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310077182.8A CN103132517B (en) | 2013-03-12 | 2013-03-12 | Ground source heat energy anchor pole with swelling heat exchanger and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310077182.8A CN103132517B (en) | 2013-03-12 | 2013-03-12 | Ground source heat energy anchor pole with swelling heat exchanger and construction method |
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| CN103132517A CN103132517A (en) | 2013-06-05 |
| CN103132517B true CN103132517B (en) | 2015-11-25 |
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| CN103306279A (en) * | 2013-06-24 | 2013-09-18 | 中国京冶工程技术有限公司 | Energy anti-floating pile provided with airbag heat exchanger and construction method |
| CN105113516B (en) * | 2015-09-09 | 2017-03-22 | 中铁十一局集团第四工程有限公司 | Ground source heat pump vertical buried pipe raw stock natural backflow filling method |
| CN114909827A (en) * | 2022-05-24 | 2022-08-16 | 中国建筑第五工程局有限公司 | Novel ground source heat pump heat exchanger system and application method thereof |
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| CN203160235U (en) * | 2013-03-12 | 2013-08-28 | 中国京冶工程技术有限公司 | Ground source heat energy anchor rod provided with expansion heat exchanger |
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| NL1029003C1 (en) * | 2005-05-10 | 2006-11-13 | Aslo Twenty Five B V | Geothermal building foundation, comprises pile with cavity containing pipes providing heat exchange between fluid and soil |
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| CN202630513U (en) * | 2012-06-05 | 2012-12-26 | 蔡宽余 | Buried pipe heat exchanger for energy-saving ground source heat pump |
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