CN115652909A - Sludge solidification energy pile structure and construction method thereof - Google Patents
Sludge solidification energy pile structure and construction method thereof Download PDFInfo
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- CN115652909A CN115652909A CN202211346455.XA CN202211346455A CN115652909A CN 115652909 A CN115652909 A CN 115652909A CN 202211346455 A CN202211346455 A CN 202211346455A CN 115652909 A CN115652909 A CN 115652909A
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention discloses a silt solidification energy pile structure and a construction method thereof, wherein the silt solidification energy pile structure comprises a framework, a heat conduction pipe is fixedly arranged in the framework, filler is filled in the framework, and pile planting holes are filled with the filler; the heat conduction pipe comprises a water inlet pipe and a water outlet pipe, the water inlet pipe is spiral, the outer wall of the spiral is fixedly installed with the inner wall of the framework, the bottom end of the water inlet pipe is communicated with the bottom end of the water outlet pipe, the water outlet pipe is positioned at the center of the spiral of the water inlet pipe, and the filler is abutted to the outer walls of the water inlet pipe and the water outlet pipe; the top ends of the water inlet pipe and the water outlet pipe respectively extend out of the filler. The invention provides a new way for resource utilization of the waste mud, breaks through the limitation of the original stirring method construction, realizes the uniformity and controllability of the pile body quality, and has more efficient, convenient, energy-saving and environment-friendly pile forming process.
Description
Technical Field
The invention relates to the field of geotechnical engineering and foundation engineering, in particular to a sludge solidification energy pile structure and a construction method thereof.
Background
Geothermal energy is relatively ideal clean energy, is rich in energy source, does not generate greenhouse gas in the using process, and does not generate harm to the ecological environment. Wherein, the soil with the depth of 0-200 m underground and the shallow geothermal energy in the underground water have the characteristic of constant temperature in four seasons, and can be used for heating and refrigerating buildings. The energy pile technology is a technology for implanting a heat exchange tube into a pile foundation, exchanging heat with surrounding rock-soil bodies by utilizing an engineering pile and developing and utilizing shallow geothermal energy, can greatly reduce the development cost of the shallow geothermal energy, and has a design concept meeting the development trend of low carbon, environmental protection, energy conservation and emission reduction. The sludge solidifying pile is a composite foundation with integrity, water stability and certain strength formed by forcibly stirring a solidifying agent and sludge through a special stirring machine by utilizing a physical and chemical reaction between the solidifying agent and the sludge. The sludge solidifying pile is an effective way for resource utilization of engineering waste sludge, and has the characteristics of ecological environmental protection, flexible design and low cost.
However, in the prior art, rigid piles (concrete piles) and semi-rigid piles (CFG piles) are mostly used as carriers of heat exchangers, and no engineering application example of using sludge curing piles as energy pile heat exchangers exists; therefore, a sludge solidification energy pile structure and a construction method thereof are needed to solve the technical problems.
Disclosure of Invention
The invention aims to provide a sludge solidification energy pile structure and a construction method thereof, which aim to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a sludge solidification energy pile structure which comprises a framework, wherein a heat conduction pipe is fixedly arranged in the framework, the framework is filled with filler, and pile planting holes are filled with the filler;
the heat conduction pipe comprises a water inlet pipe and a water outlet pipe, the water inlet pipe is spiral, the outer wall of the spiral is fixedly installed on the inner wall of the framework, the bottom end of the water inlet pipe is communicated with the bottom end of the water outlet pipe, the water outlet pipe is located in the center of the spiral of the water inlet pipe, and the filler is abutted to the outer walls of the water inlet pipe and the water outlet pipe; the top ends of the water inlet pipe and the water outlet pipe respectively extend out of the filler.
Preferably, the framework comprises a plurality of vertical rods which are longitudinally arranged, and the vertical rods are fixed through a plurality of hoops which are sequentially arranged from top to bottom; the water outlet pipe is positioned in the center of the hoop and fixedly connected with the hoop, and the outer wall of the water inlet pipe is fixedly connected with the vertical rod.
Preferably, the water inlet pipe comprises an inner pipe, an outer pipe is sleeved outside the inner pipe, and a plurality of supporting components and a plurality of heat conducting components are fixedly connected between the inner pipe and the outer pipe; the supporting component and the heat conducting component are arranged at intervals; the structure of the water outlet pipe is the same as that of the water inlet pipe.
Preferably, the support component comprises an inner cylinder and an outer cylinder which are connected in a sliding manner, the bottom end of the inner cylinder is fixedly connected with the outer wall of the inner pipe, and the bottom end of the outer cylinder is fixedly connected with the inner wall of the outer pipe; and a supporting spring is fixedly connected between the inner cavity of the inner barrel and the inner cavity of the outer barrel.
A construction method of a sludge solidification energy pile comprises the following steps:
the method comprises the following steps: positioning and drilling; drilling a pile planting hole at a selected position by using a drilling device;
step two: manufacturing a framework; binding a framework according to the inner diameter of the pile planting hole;
step three: manufacturing and installing a heat conduction pipe; selecting a heat conduction pipe according to the specification of the framework, winding a water inlet pipe into a spiral shape and fixedly connecting the water inlet pipe with the inner wall of the framework, and fixedly connecting a water outlet pipe with the framework at the center of the framework;
step four: mounting a framework; hoisting the manufactured framework into the pile planting hole, and fixing;
step five: filling a filler; preparing a filler, uniformly stirring, and adding water to prepare slurry; then filling the slurry into the pile planting holes;
step six: and (5) filling and maintaining.
Preferably, in the fourth step, the top surface of the framework extends out of the pile planting hole, and the water inlet pipe and the water outlet pipe are higher than the top surface of the framework.
Preferably, in the fifth step, the filling is performed in batches when the filling is performed, and the height of each filling is not higher than 0.2 time of the depth of the pile planting hole; after filling the filler slurry each time, vibrating and tamping the filler slurry by a vibrating device.
Preferably, the vibrator includes the vibrator body, the top rigid coupling of vibrator body has the connecting rod, the connecting rod stretches out plant the stake hole, the ware is submerged to the bottom installation of vibrator body.
Preferably, the ware of sneaking includes the rigid coupling and is in the installation piece of vibrator body bottom, the embedding is established in the installation piece and is installed the motor of sneaking in, the transmission of the play output end of the motor of sneaking in is connected with the drill bit of sneaking in, the top rigid coupling of the drill bit of sneaking in has a protective barrel, protective barrel's inner wall top with vibrator body outer wall sliding connection.
Preferably, a sliding groove is formed in the side wall of the vibrator body, a sliding block is fixedly connected to the top end of the inner wall of the protective cylinder, the sliding block is connected in the sliding groove in a sliding manner, and a plurality of balls are arranged between the sliding block and the sliding groove; and a sealing bearing is arranged between the side wall of the vibrator body and the protective cylinder.
The invention discloses the following technical effects: the invention discloses a silt solidification energy pile structure and a construction method thereof, which are mainly used for combining the existing silt solidification technology and the energy pile technology and solving the problems of high cost and resource waste of the existing energy pile; the water inlet pipe is bent into a spiral shape and fixed with the framework, the water outlet pipe is positioned at the center of the spiral shape of the water inlet pipe, so that the heat exchange area between the water inlet pipe and the filler is increased, the heat exchange efficiency is improved, the heat carried by single water circulation is higher, and the utilization rate of geothermal heat is improved; the filler adopts engineering waste materials as raw materials, so that the waste of resources is effectively reduced, the manufacturing cost of the filler is reduced, and the filler is more flexible and environment-friendly to use. The invention provides a new way for resource utilization of the waste mud, breaks through the limitation of the construction of the original stirring method, realizes the uniformity and controllability of the pile body quality, and has more efficient, convenient, energy-saving and environment-friendly pile forming process; meanwhile, the four-season constant temperature characteristic of the shallow rock-soil body is utilized, a small amount of electric energy is input to realize the transfer of geothermal energy to high-level heat energy, the heat exchange between the shallow rock-soil body and a ground building is realized, and the purposes of heating and refrigerating the ground building are achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of a sludge solidification energy pile according to the present invention;
FIG. 2 is an axial view of the inventive cage;
FIG. 3 is a schematic view of the structure of the water inlet pipe of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3;
FIG. 5 is a flow chart of the construction method of the sludge solidification energy pile of the invention;
FIG. 6 is a schematic view of a packing step according to the present invention;
FIG. 7 is a schematic view of the vibrator of the present invention;
FIG. 8 is an enlarged view of a portion of B of FIG. 7 in accordance with the present invention;
wherein, 1, a framework; 2. a heat conducting pipe; 3. a filler; 4. pile planting holes; 5. a vibrating device; 11. erecting a rod; 12. a hoop; 13. fixing the rod; 21. a water inlet pipe; 22. a water outlet pipe; 23. an inner tube; 24. an outer tube; 25. a support assembly; 26. a heat conducting component; 27. an inner barrel; 28. an outer cylinder; 29. a support spring; 210. the anti-drop ring; 51. a vibrator body; 52. a connecting rod; 53. diving into device; 54. mounting blocks; 55. submerging the motor; 56. submerging a drill bit; 57. a protective cylinder; 58. a sliding groove; 59. a slider; 510. a ball bearing; 511. sealing the bearing; 512. and controlling the lines.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1-8, the invention provides a sludge solidification energy pile structure, which comprises a framework 1, wherein a heat conduction pipe 2 is fixedly arranged in the framework 1, a filler 3 is filled in the framework 1, and a pile planting hole 4 is filled with the filler 3;
the heat conduction pipe 2 comprises a water inlet pipe 21 and a water outlet pipe 22, the water inlet pipe 21 is in a spiral shape, the outer wall of the spiral shape is fixedly installed on the inner wall of the framework 1, the bottom end of the water inlet pipe 21 is communicated with the bottom end of the water outlet pipe 22, the water outlet pipe 22 is positioned at the center of the spiral shape of the water inlet pipe 21, and the filler 3 is abutted to the outer walls of the water inlet pipe 21 and the water outlet pipe 22; the top ends of the water inlet pipe 21 and the water outlet pipe 22 respectively extend out of the filler 3.
The invention discloses the following technical effects: the invention discloses a silt solidification energy pile structure and a construction method thereof, which are mainly used for combining the existing silt solidification technology and the energy pile technology and solving the problems of high cost and resource waste of the existing energy pile; the water inlet pipe 21 is bent into a spiral shape and fixed with the framework 1, the water outlet pipe 22 is positioned at the center of the spiral shape of the water inlet pipe 21, so that the heat exchange area between the water inlet pipe 21 and the filler 3 is increased, the heat exchange efficiency is improved, the heat carried by single water circulation is higher, and the utilization rate of geothermal heat is improved; the filler 3 adopts engineering waste materials as raw materials, so that a new way is provided for resource utilization of waste mud, the waste of resources is effectively reduced, the manufacturing cost of the filler 3 is reduced, and the use is more flexible and environment-friendly; the construction method breaks through the limitation of the original stirring method construction, realizes the uniformity and controllability of the pile body quality, and has more efficient, convenient, energy-saving and environment-friendly pile forming process.
Further, the filler 3 comprises sludge solidified soil, a high heat conduction material and a curing agent, wherein the sludge solidified soil is a mixture of engineering waste sludge and cement, and the high heat conduction material is one or more of graphite, polypropylene fiber, scrap iron and the like.
In a further optimized scheme, the framework 1 comprises a plurality of vertical rods 11 which are longitudinally arranged, and the vertical rods 11 are fixed through a plurality of hoops 12 which are sequentially arranged from top to bottom; the water outlet pipe 22 is positioned in the center of the hoop 12 and fixedly connected with the hoop 12, and the outer wall of the water inlet pipe 21 is fixedly connected with the upright rod 11. The framework 1 is used as a supporting structure of the energy pile, so that the strength of the energy pile is improved; the framework 1 is made into a hollow cage-shaped structure, wherein the upright rods 11 and the hoops 12 are made of plastics, glass fibers or high-strength polyester fibers.
In a further optimized scheme, the water inlet pipe 21 comprises an inner pipe 23, an outer pipe 24 is sleeved outside the inner pipe 23, and a plurality of supporting components 25 and a plurality of heat conducting components 26 are fixedly connected between the inner pipe 23 and the outer pipe 24; the supporting component 25 and the heat conducting component 26 are arranged at intervals; the outlet pipe 22 has the same structure as the inlet pipe 21. The water inlet pipe 21 and the water outlet pipe 22 are an inner pipe 23 and an outer pipe 24 which are sleeved with each other, a heat conduction assembly 26 and a support assembly 25 are supported between the inner pipe 23 and the outer pipe 24, the support assembly 25 is used for preventing the filler 3 from extruding the water inlet pipe 21 and the water outlet pipe 22 to cause deformation and water cannot flow through, the protection is improved, and the heat conduction assembly 26 increases the heat conduction efficiency between the inner pipe 23 and the outer pipe 24; meanwhile, the water inlet pipe 21 and the water outlet pipe 22 which are arranged into double layers can be continuously used after one layer is damaged, and the failure rate is reduced.
Further, the heat conducting component 26 has elasticity, and is preferably made of heat conducting glue and heat conducting pouring sealant, and can deform under pressure without affecting the heat conducting performance.
In a further optimized scheme, the supporting component 25 comprises an inner cylinder 27 and an outer cylinder 28 which are connected in a sliding manner, the bottom end of the inner cylinder 27 is fixedly connected with the outer wall of the inner tube 23, and the bottom end of the outer cylinder 28 is fixedly connected with the inner wall of the outer tube 24; a supporting spring 29 is fixedly connected between the inner cavity of the inner cylinder 27 and the inner cavity of the outer cylinder 28. When the packing 3 is pressed by the instantaneous pressure, the outer tube 24 deforms toward the inner tube 23, so that the inner tube 27 and the outer tube 28 slide relatively to each other, the support spring 29 is compressed, and when the instantaneous pressure is lost, the support spring 29 rebounds to support the outer tube 24 to return, thereby reducing the pressure on the inner tube 23.
Further, a separation preventing ring 210 is fixed to the top end pipe of the inner cylinder 27 to prevent the inner cylinder 27 from separating from the outer cylinder 28.
A construction method of a sludge solidification energy pile comprises the following steps:
the method comprises the following steps: positioning and drilling; drilling a pile planting hole 4 at a selected position by using a drilling device; selecting a proper pile placing position and a proper specification of the energy pile according to the heat supply requirement of the energy pile and the local geothermal condition, and constructing a pile planting hole 4 on site through a drilling machine (not shown in the figure);
step two: manufacturing a framework 1; binding the framework 1 according to the inner diameter of the pile planting hole 4; the selected framework 1 material is made into a vertical rod 11 and a hoop 12 which are matched with the pile planting hole 4, and the vertical rod and the hoop are bound and fixed to form the framework 1, wherein the height of the framework 1 is slightly higher than the depth of the pile planting hole 4, so that the top end of the framework 1 can extend out of the pile planting hole 4;
step three: manufacturing and installing the heat conduction pipe 2; selecting a heat conduction pipe 2 according to the specification of the framework 1, winding a part of a water inlet pipe 21 into a spiral shape and fixedly connecting the spiral shape with the inner wall of the framework 1, and fixedly connecting a water outlet pipe 22 with the framework 1 at the center of the framework 1; selecting a heat conduction pipe 2 with a proper specification, bending one end of the heat conduction pipe 2 around the other end of the heat conduction pipe into a spring shape, binding and fixing a spring-shaped part with a vertical rod 11, and fixing a straight pipe part with a hoop 12 through a fixing rod 13; wherein the connecting ends of the straight tubular water outlet pipe 22 and the spring type water inlet pipe 21 are flush with the bottom end of the framework 1, and the top pipe extends out of the framework 1, so that the later-stage pipe connection is facilitated;
step four: installing a framework 1; hoisting the manufactured framework 1 into the pile implanting hole 4 and fixing; hoisting the framework 1 provided with the heat conduction pipe 2 into the pile planting hole 4 by a crane (not shown in the figure), and supporting and fixing; wherein the inner diameter of the pile planting hole 4 is slightly larger than the outer diameter of the framework 1;
step five: filling filler 3; preparing a filler 3, uniformly stirring, and adding water to prepare slurry; then filling the slurry into the pile planting hole 4; mixing the sludge solidified soil, a curing agent and a high heat conduction material according to a certain proportion according to engineering technical parameters, adding water, and fully mixing the mixture by using mechanical stirring equipment (not shown in the figure) to obtain flowable slurry, wherein the engineering technical parameters comprise the size and the strength of a pile; then, the slurry of the filler 3 is injected into the pile planting hole 4 in batches, the injection depth is determined according to the strength and the size of the energy pile, the injected slurry of the filler 3 is uniformly vibrated by the vibrating device 5 after each injection, no gap or hollow drum exists, and the strength of the energy pile is ensured;
step six: maintaining the filler 3; after the energy pile grouting is completed, the filler 3 is maintained, so that the strength of the filler 3 reaches the design requirement.
In the fourth step, the top surface of the framework 1 extends out of the pile planting hole 4, and the water inlet pipe 21 and the water outlet pipe 22 are higher than the top surface of the framework 1.
In the fifth step, the filling of the filler 3 is carried out in batches, and the filling height is not higher than 0.2 time of the depth of the pile planting hole 4 each time; after each time of filling the slurry of the filler 3, vibrating and tamping the slurry by a vibrating device 5.
According to a further optimized scheme, the vibrating device 5 comprises a vibrator body 51, a connecting rod 52 is fixedly connected to the top end of the vibrator body 51, the connecting rod 52 extends out of the pile planting hole 4, and a submersible vehicle 53 is mounted at the bottom end of the vibrator body 51; the submerging device 53 comprises a mounting block 54 fixedly connected to the bottom end of the vibrator body 51, a submerging motor 55 is embedded in the mounting block 54, the output end of the submerging motor 55 is connected with a submerging drill bit 56 in a transmission mode, the top end of the submerging drill bit 56 is fixedly connected with a protective cylinder 57, and the top end of the inner wall of the protective cylinder 57 is connected with the outer wall of the vibrator body 51 in a sliding mode; the side wall of the vibrator body 51 is provided with a sliding groove 58, the top end of the inner wall of the protective cylinder 57 is fixedly connected with a sliding block 59, the sliding block 59 is connected in the sliding groove 58 in a sliding manner, and a plurality of balls 510 are arranged between the sliding block 59 and the sliding groove 58; a sealing bearing 511 is arranged between the side wall of the vibrator body 51 and the protective cylinder 57. The vibrating device 5 is mainly used for vibrating the slurry of the filler 3 to make the slurry spread over the whole pile planting hole 4 and the gap of the framework 1; the vibrator body 51 can refer to a HIP50-1.5M concrete vibrator, is mainly used for carrying out high-speed vibration and transmitting the vibration to the periphery to ensure that slurry is uniform and air bubbles are discharged, and the connecting rod 52 at the top end is used for controlling the lifting of the vibrator body 51; a submerging motor 55 of the submerging device 53 drives a submerging drill bit 56 to rotate, so that the vibrator body 51 can easily enter the slurry without being directly inserted, and equipment damage is reduced; the protective cylinder 57 and the vibrator body 51 are sealed and rotated to prevent the submersible motor 55 from being damaged due to the immersion of the slurry; the sliding grooves 58 and the sliding blocks 59 are arranged in a T shape, friction force between the sliding grooves and the sliding blocks is reduced due to the arrangement of the balls 510, abrasion is reduced, and the service life is prolonged.
Further, the sealing bearing 511 can refer to a precision bearing with a sealing dustproof cover, with the model being 7212AC-2RZ/P5, and the sealing performance is ensured while the rotary connection between the protective cylinder 57 and the vibrator body 51 is ensured.
Further, the tamper body 51 and the control line 512 of the submerging motor 55 are routed along the connecting rod 52.
Further, the outer wall of the submerging drill bit 56 is provided with a spiral groove, when the vibrating device 5 is used, the vibrating device 5 can be reserved in a neutral position, then grouting is conducted to submerge the vibrating device 5, and after vibrating, the submerging motor 55 drives the submerging drill bit 56 to reversely rotate and separate, so that the difficulty of separating is reduced.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above embodiments are only for describing the preferred mode of the present invention, and do not limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.
Claims (10)
1. The utility model provides a silt solidification energy pilework which characterized in that: the heat pipe heat exchanger comprises a framework (1), wherein a heat conduction pipe (2) is fixedly arranged in the framework (1), a filler (3) is filled in the framework (1), and a pile planting hole (4) is filled with the filler (3);
the heat conduction pipe (2) comprises a water inlet pipe (21) and a water outlet pipe (22), the water inlet pipe (21) is spiral, the outer wall of the spiral is fixedly mounted on the inner wall of the framework (1), the bottom end of the water inlet pipe (21) is communicated with the bottom end of the water outlet pipe (22), the water outlet pipe (22) is located in the center of the spiral of the water inlet pipe (21), and the filler (3) is abutted to the outer walls of the water inlet pipe (21) and the water outlet pipe (22); the top ends of the water inlet pipe (21) and the water outlet pipe (22) respectively extend out of the filler (3).
2. The sludge curing energy pile structure as claimed in claim 1, wherein: the framework (1) comprises a plurality of vertical rods (11) which are longitudinally arranged, and the vertical rods (11) are fixed through a plurality of hoops (12) which are sequentially arranged from top to bottom; the water outlet pipe (22) is positioned in the center of the hoop (12) and fixedly connected with the hoop (12), and the outer wall of the water inlet pipe (21) is fixedly connected with the vertical rod (11).
3. The sludge curing energy pile structure as claimed in claim 1, wherein: the water inlet pipe (21) comprises an inner pipe (23), an outer pipe (24) is sleeved outside the inner pipe (23), and a plurality of supporting components (25) and a plurality of heat conducting components (26) are fixedly connected between the inner pipe (23) and the outer pipe (24); the supporting component (25) and the heat conducting component (26) are arranged at intervals; the structure of the water outlet pipe (22) is the same as that of the water inlet pipe (21).
4. The sludge solidification energy pile structure as claimed in claim 3, wherein: the supporting component (25) comprises an inner cylinder (27) and an outer cylinder (28) which are connected in a sliding manner, the bottom end of the inner cylinder (27) is fixedly connected with the outer wall of the inner tube (23), and the bottom end of the outer cylinder (28) is fixedly connected with the inner wall of the outer tube (24); and a supporting spring (29) is fixedly connected between the inner cavity of the inner cylinder (27) and the inner cavity of the outer cylinder (28).
5. A construction method of a sludge solidification energy pile structure according to any one of claims 1 to 4, characterized by comprising the steps of:
the method comprises the following steps: positioning and drilling; drilling a pile-planting hole (4) at a selected position by using a drilling device;
step two: manufacturing a framework (1); binding the framework (1) according to the inner diameter of the pile planting hole (4);
step three: the heat conduction pipe (2) is manufactured and installed; selecting a heat conduction pipe (2) according to the specification of the framework (1), winding a part of a water inlet pipe (21) into a spiral shape and fixedly connecting the spiral shape with the inner wall of the framework (1), and fixedly connecting a water outlet pipe (22) with the framework (1) at the center of the framework (1);
step four: installing a framework (1); hoisting the manufactured framework (1) into the pile implanting hole (4), and fixing;
step five: a filler (3); preparing a filler (3), uniformly stirring, and adding water to prepare slurry; then filling the slurry into the pile planting hole (4);
step six: and (3) curing the filler.
6. The method for constructing a sludge curing energy pile as claimed in claim 5, wherein: in the fourth step, the top surface of skeleton (1) stretches out plant stake hole (4), inlet tube (21) with outlet pipe (22) are higher than skeleton (1) top surface.
7. The method for constructing a sludge curing energy pile as claimed in claim 5, wherein: step five, filling the filling material (3) in batches in time, wherein the height of each filling is not higher than 0.2 time of the depth of the pile planting hole (4); after the slurry of the filler (3) is filled each time, the slurry is vibrated and tamped by a vibrating device (5).
8. The method for constructing the sludge curing energy pile as claimed in claim 7, wherein: the vibrating device (5) comprises a vibrator body (51), a connecting rod (52) is fixedly connected to the top end of the vibrator body (51), the connecting rod (52) extends out of the pile planting hole (4), and a submersible driver (53) is installed at the bottom end of the vibrator body (51).
9. The method for constructing a sludge curing energy pile as claimed in claim 8, wherein: the submersible tamper (53) comprises an installation block (54) fixedly connected to the bottom end of the vibrator body (51), a submersible motor (55) is embedded in the installation block (54), the output end of the submersible motor (55) is in transmission connection with a submersible drill bit (56), the top end of the submersible drill bit (56) is fixedly connected with a protective cylinder (57), and the top end of the inner wall of the protective cylinder (57) is in sliding connection with the outer wall of the vibrator body (51).
10. The method for constructing a sludge curing energy pile as claimed in claim 9, wherein: a sliding groove (58) is formed in the side wall of the vibrator body (51), a sliding block (59) is fixedly connected to the top end of the inner wall of the protective cylinder (57), the sliding block (59) is connected in the sliding groove (58) in a sliding mode, and a plurality of balls (510) are arranged between the sliding block (59) and the sliding groove (58); and a sealing bearing (511) is arranged between the side wall of the vibrator body (51) and the protective cylinder (57).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211346455.XA CN115652909A (en) | 2022-10-31 | 2022-10-31 | Sludge solidification energy pile structure and construction method thereof |
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| CN202211346455.XA CN115652909A (en) | 2022-10-31 | 2022-10-31 | Sludge solidification energy pile structure and construction method thereof |
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| CN115652909A true CN115652909A (en) | 2023-01-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116084392A (en) * | 2023-02-07 | 2023-05-09 | 东南大学 | High-thermal-conductivity low-carbon energy pile and manufacturing method thereof |
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2022
- 2022-10-31 CN CN202211346455.XA patent/CN115652909A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116084392A (en) * | 2023-02-07 | 2023-05-09 | 东南大学 | High-thermal-conductivity low-carbon energy pile and manufacturing method thereof |
| CN116084392B (en) * | 2023-02-07 | 2023-09-15 | 东南大学 | High-thermal-conductivity low-carbon energy pile and manufacturing method thereof |
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