CN219913522U - Verticality protection device for vertical buried pipe heat exchanger - Google Patents
Verticality protection device for vertical buried pipe heat exchanger Download PDFInfo
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- CN219913522U CN219913522U CN202320130609.5U CN202320130609U CN219913522U CN 219913522 U CN219913522 U CN 219913522U CN 202320130609 U CN202320130609 U CN 202320130609U CN 219913522 U CN219913522 U CN 219913522U
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- heat exchanger
- buried pipe
- backing plate
- limestone
- protection device
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- 239000002689 soil Substances 0.000 claims abstract description 44
- 235000019738 Limestone Nutrition 0.000 claims abstract description 18
- 239000006028 limestone Substances 0.000 claims abstract description 18
- 239000004927 clay Substances 0.000 claims abstract description 15
- 238000005553 drilling Methods 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 6
- 238000000407 epitaxy Methods 0.000 claims description 4
- 239000011150 reinforced concrete Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000003673 groundwater Substances 0.000 abstract description 2
- -1 silt Substances 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000004567 concrete Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
Landscapes
- Supports For Pipes And Cables (AREA)
Abstract
The utility model discloses a verticality protection device of a vertical buried pipe heat exchanger, which belongs to the field of buried pipe protection devices and comprises a protection device, plain fill, silty clay, silt, limestone and stratum dividing lines, wherein the plain fill, the silty clay, the silt and the limestone are distributed in sequence from top to bottom; compared with the prior art, the utility model has the advantages that: when the buried pipe ground source heat pump system is adopted for areas such as soft soil, groundwater water-rich areas and limestone karst cave, the vertical buried pipe heat exchanger is easy to bend and deform in the holes, the water flow velocity in the pipes is influenced, and finally the heat exchange effect of the system is influenced. The device ensures the verticality of the heat exchanger in the hole by utilizing the pipe clamp type centering device, and sets up the combined devices such as reinforced soil body, cushion layer, backing plate, clamping belt, pipe clamp type centering device and the like at the hole opening, thereby ensuring that the vertical buried pipe heat exchanger does not sink or bend and improving the heat exchange effect of the heat exchanger.
Description
Technical Field
The utility model belongs to the technical field of buried pipe protection devices, and particularly relates to a verticality protection device of a vertical buried pipe heat exchanger.
Background
The buried pipe heat exchangers are classified into horizontal buried pipe heat exchangers and vertical buried pipe heat exchangers according to different management and burying modes. Wherein, the vertical buried pipe heat exchanger is divided into two types of double U and single U. Through the drilling of the drilling machine, the vertical buried pipe heat exchanger filled with water is installed in the drilling hole under the action of manual combination and mechanical action, grouting backfilling is carried out, and the installation flow of the whole heat exchanger is completed.
The vertical buried pipe heat exchanger is made of PE pipe, and has the advantages of good flexibility, high impact strength, high elongation at break and the like. The heat exchanger is filled with water in the pipe before being installed, and is easy to bend and deform under the action of gravity and underground water flow in the drill hole. Especially in soft soil areas, due to poor soil conditions, the drilling holes can shrink in diameter, and the common pipe clamps only play a role in separating PE pipes, so that the centering of the heat exchanger cannot be ensured; when karst cave in limestone area develops, because karst cave filler belongs to weak soil body, especially the karst cave that does not have the filling, there is not lateral wall unconstrained, and the heat exchanger is more easy bending deformation. Therefore, the verticality protection device of the vertical buried pipe heat exchanger is studied, the verticality of the heat exchanger in the hole is ensured by utilizing the pipe clamp type centralizer, and the combined devices such as reinforced soil body, cushion layer, backing plate, clamping belt, pipe clamp type centralizer and the like are arranged at the orifice, so that the vertical buried pipe heat exchanger is ensured not to sink or bend, the heat exchange effect of the heat exchanger is improved, and the social benefit is increased.
Disclosure of Invention
The utility model aims to provide a verticality protection device for a vertical buried pipe heat exchanger, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a vertical buried pipe heat exchanger straightness protection device that hangs down, includes protection device, plain fill, silty clay, stratum boundary line, silt, limestone, its characterized in that: the novel pipe clamp type concrete filling machine is characterized in that the plain filling soil, the powdery clay, the silt and the limestone are sequentially distributed from top to bottom, a stratum boundary line is positioned between layers of the plain filling soil, the powdery clay, the silt and the limestone, a drill hole is formed in the plain filling soil, the powdery clay, the silt and the limestone, a protection device is embedded in the drill hole and is specifically formed by a double-U-shaped vertical heat exchanger and a backfill, the double-U-shaped vertical heat exchanger is rectangular and fixed, backfill is carried out between the double-U-shaped vertical heat exchanger and the drill hole by adopting the backfill, a plurality of pipe clamp type centralizers are fixedly connected to the double-U-shaped vertical heat exchanger, a base plate, a cushion layer and a reinforcing soil body are sequentially arranged from top to bottom of the protection device, the reinforcing soil body is arranged in the plain filling soil, the cushion layer is positioned on the surface of the reinforcing soil body, and the base plate is positioned on the surface of the cushion layer.
Preferably, the pipe clamp type centering device is formed by four parts of clamping rings, fixing rings, bolts and centering brackets, wherein the clamping rings are consistent with the double-U-shaped vertical heat exchanger in quality and correspond to each other one by one, the diameter of the clamping rings is slightly larger than that of the double-U-shaped vertical heat exchanger, the clamping rings are in a semi-opening shape, the opening is provided with an extension clamping lug, the clamping lugs are fixedly connected with bolt holes, the fixing rings are located in the middle parts of the four clamping rings, each centering bracket is fixedly connected to the outer part of each clamping ring, and bolts are installed in the bolt holes.
Preferably, the interval between every pipe strap formula centralizer is 10m, consolidate the soil body and be located around the drilling, and every border drilling epitaxy is not less than 200mm, and the degree of depth is not less than 500mm simultaneously, the bed course width keeps always with consolidate the soil body, and the degree of depth is 10mm, the backing plate width is not less than 100mm along the drilling epitaxy.
Preferably, the backing plate specifically comprises backing plate main part, preformed hole body, rubber protection body, sunken draw-in groove four parts, the backing plate main part specifically adopts reinforced concrete prefabricated plate, and thickness is 100mm, preformed hole body and two U type vertical heat exchanger one-to-one, and preformed hole body diameter slightly is greater than two U type vertical heat exchanger diameters, be equipped with the rubber protection body in the preformed hole body, backing plate main part upper surface is equipped with two sunken draw-in grooves, sunken draw-in groove depth specifically is 20mm.
The utility model has the technical effects and advantages that: when the buried pipe ground source heat pump system is adopted for areas such as soft soil, groundwater water-rich areas and limestone karst cave, the vertical buried pipe heat exchanger is easy to bend and deform in the holes, the water flow velocity in the pipes is influenced, and finally the heat exchange effect of the system is influenced. The device ensures the verticality of the heat exchanger in the hole by utilizing the pipe clamp type centering device, and sets up the combined devices such as reinforced soil body, cushion layer, backing plate, clamping belt, pipe clamp type centering device and the like at the hole opening, thereby ensuring that the vertical buried pipe heat exchanger does not sink or bend and improving the heat exchange effect of the heat exchanger.
Drawings
FIG. 1 is a cross-sectional view of a vertical borehole heat exchanger according to the present utility model;
FIG. 2 is a top view of an orifice according to the present utility model;
FIG. 3 is a cross-sectional view of a shim plate according to the present utility model;
FIG. 4 is a schematic representation of a pipe clamp type centralizer of the utility model.
In the figure: 101. a pipe clamp type centering device; 102. a backing plate; 103. a clamping belt; 104. a cushion layer; 105. reinforcing soil; 106. a double U-shaped vertical heat exchanger; 107. drilling holes; 108. backfilling; 111. a clasp; 112. a fixing ring; 113. a bolt; 114. centering support; 120. a pad body; 121. reserving a hole body; 122. a rubber protector; 123. a concave clamping groove; 201. filling soil; 202. a silty clay; 203. a formation demarcation line; 204. sludge; 205. limestone.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a verticality protection device of a vertical buried pipe heat exchanger, which is shown in figures 1-4, and comprises a protection device, plain fill 201, silty clay 202, stratum dividing line 203, silt 204 and limestone 205;
specifically, it is characterized in that: the soil is filled with soil 201, silty clay 202, silt 204 and limestone 205, the stratum boundary 203 is located among layers of the soil is filled with soil 201, silty clay 202, silt 204 and limestone 205, drilling holes 107 are formed in the soil is filled with soil 201, silty clay 202, silt 204 and limestone 205, protection devices are buried in the drilling holes 107, the protection devices specifically comprise double-U-shaped vertical heat exchangers 106 and a backfill 108, the double-U-shaped vertical heat exchangers 106 are fixed in a rectangular shape, backfill is carried out between the double-U-shaped vertical heat exchangers 106 and the drilling holes 107 by the backfill 108, a plurality of pipe clamp type centralizers 101 are fixedly connected to the double-U-shaped vertical heat exchangers 106, a base plate 102, a cushion 104 and a reinforced soil 105 are sequentially arranged in the soil 201 from top to bottom, the cushion 104 is located on the surface of the reinforced soil 105, and the base plate 102 is located on the surface of the cushion 104.
Specifically, the pipe clamp type centering device 101 specifically comprises four parts of a clamping ring 111, a fixing ring 112, bolts 113 and a centering bracket 114, wherein the clamping ring 111 and the double-U type vertical heat exchanger 106 are identical in material and correspond to each other one by one, the diameter of the clamping ring 111 is slightly larger than that of the double-U type vertical heat exchanger 106, the clamping ring is in a semi-opening shape, an extension clamping lug is arranged at an opening, a bolt hole is fixedly connected with the clamping lug, the fixing ring 112 is positioned in the middle of the four clamping rings 111, each centering bracket 114 is fixedly connected to the outer part of the clamping ring 111, and the bolts 113 are arranged in the bolt holes.
Specifically, the interval between each pipe clamp type centering device 101 is 10m, the reinforced soil body 105 is located around the drilling hole 107, the extension of each edge drilling hole 107 is not less than 200mm, meanwhile, the depth is not less than 500mm, the width of the cushion layer 104 and the reinforced soil body 105 are kept all the time, the depth is 10mm, and the width of the cushion plate 102 is not less than 100mm along the extension of the drilling hole 107.
Specifically, the backing plate 102 specifically comprises backing plate main part 120, preformed hole body 121, rubber protection body 122, sunken draw-in groove 123 four parts, backing plate main part 120 specifically adopts reinforced concrete prefabricated plate, and thickness is 100mm, preformed hole body 121 and two U type vertical heat exchanger 106 one-to-one, and preformed hole body 121 diameter slightly is greater than two U type vertical heat exchanger 106 diameters, be equipped with rubber protection body 122 in the preformed hole body 121, backing plate main part 120 upper surface is equipped with two sunken draw-in grooves 123, sunken draw-in groove 123 degree of depth specifically is 20mm.
Examples
After the construction process is that the drilling hole 107 is constructed, the double-U-shaped vertical heat exchanger 106 is filled with water, the water is pressurized, each 10m of the water is provided with a pipe clamp type centering device 101 after the water is checked to be qualified, the water is fixed by bolts 113, the double-U-shaped vertical heat exchanger 106 is gradually lowered into the drilling hole 107, and backfilling is carried out by grouting through backfilling materials 108. After 24 hours, after the backfill 108 reaches the design strength, grouting or dynamic compaction is adopted to form a reinforced soil body 105, a cushion layer 104 is poured on the reinforced soil body, after the reinforced soil body reaches the strength, a PE pipe is installed in place through a preformed hole 121 of a cushion plate main body 120 on the cushion plate 102, and the cushion plate 102 is horizontally placed on the upper part of the cushion layer 104; next, the clamp 103 is placed in the concave clamping groove 123 on the pad body 120, the pipe clamp type centering device 101 is continuously installed at the top, the pipe clamp type centering device 101 is tightly combined with the pad 102 and the clamp 103, and the bolt 113 is used for fixing, so that the whole fixing process is completed.
In addition, the clamping band 103 is made of PE material or concrete precast strips, and the thickness and the width are consistent with the depth and the width of the concave-type concave clamping groove 123. The soil body 105 can be reinforced before the construction of the drilling hole 107, and during the actual construction, the drill bit of the drilling machine is positioned in the middle of the soil body 105, and the protection work is performed to avoid damage to the soil body.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (4)
1. The utility model provides a vertical buried pipe heat exchanger straightness protection device that hangs down, includes protection device, plain fill (201), silty clay (202), stratum parting line (203), silt (204), limestone (205), its characterized in that: the novel high-efficiency high-strength reinforced concrete composite foundation is characterized in that the plain filling soil (201), the silty clay (202), the silt (204) and the limestone (205) are sequentially distributed from top to bottom, a stratum boundary line (203) is positioned between layers of the plain filling soil (201), the silty clay (202), the silt (204) and the limestone (205), a drilling hole (107) is formed in the plain filling soil (201), the silty clay (202), the silt (204) and the limestone (205), a protection device is embedded in the drilling hole (107), the protection device is specifically composed of a double-U-shaped vertical heat exchanger (106) and a backfill material (108), the double-U-shaped vertical heat exchanger (106) is fixedly arranged in a rectangular shape, the backfill material (108) is adopted between the double-U-shaped vertical heat exchanger (106) and the drilling hole (107), a plurality of pipe clamp type centering devices (101) are fixedly connected onto the double-U-shaped vertical heat exchanger (106), a backing plate (102), a backing plate (104) and a reinforced soil body (105) are sequentially arranged on the double-U-shaped vertical heat exchanger, the reinforced soil body (105) is arranged in the plain filling soil (201), and the backing plate (104) is positioned on the surface of the foundation, and the surface of the foundation (104) is positioned on the surface of the surface (102).
2. A vertical buried pipe heat exchanger perpendicularity protection apparatus according to claim 1, characterized in that: the pipe strap formula centralizer (101) is specifically by snap ring (111), solid fixed ring (112), bolt (113), centering support (114) four parts are constituteed, wherein, snap ring (111) are unanimous and the one-to-one with two U type vertical heat exchanger (106) material, and snap ring (111) diameter slightly is greater than two U type vertical heat exchanger (106) diameter, is half open form, and the opening part is equipped with epitaxial card ear, card ear fixedly connected with bolt hole, gu fixed ring (112) are located four snap ring (111) middle parts, every equal fixedly connected with centering support (114) of snap ring (111) outside, install bolt (113) in the bolt hole.
3. A vertical buried pipe heat exchanger perpendicularity protection apparatus according to claim 2, characterized in that: every pipe strap formula centralizer (101) interval is 10m between, consolidate soil body (105) and be located drilling (107) all around, and every border drilling (107) epitaxy is not less than 200mm, and the degree of depth is not less than 500mm simultaneously, bed course (104) width and consolidate soil body (105) keep always, and the degree of depth is 10mm, backing plate (102) width is along drilling (107) epitaxy not less than 100mm.
4. A vertical buried pipe heat exchanger perpendicularity protection apparatus according to claim 2, characterized in that: backing plate (102) specifically comprises backing plate main part (120), preformed hole body (121), rubber protection body (122), sunken draw-in groove (123), backing plate main part (120) specifically adopts reinforced concrete prefabricated plate, and thickness is 100mm, preformed hole body (121) and perpendicular heat exchanger of two U type (106) one-to-one, and preformed hole body (121) diameter slightly is greater than perpendicular heat exchanger of two U types (106) diameter, be equipped with rubber protection body (122) in preformed hole body (121), backing plate main part (120) upper surface is equipped with two sunken draw-in grooves (123), sunken draw-in groove (123) degree of depth specifically is 20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320130609.5U CN219913522U (en) | 2023-01-13 | 2023-01-13 | Verticality protection device for vertical buried pipe heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320130609.5U CN219913522U (en) | 2023-01-13 | 2023-01-13 | Verticality protection device for vertical buried pipe heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219913522U true CN219913522U (en) | 2023-10-27 |
Family
ID=88432132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320130609.5U Active CN219913522U (en) | 2023-01-13 | 2023-01-13 | Verticality protection device for vertical buried pipe heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219913522U (en) |
-
2023
- 2023-01-13 CN CN202320130609.5U patent/CN219913522U/en active Active
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| GR01 | Patent grant | ||
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