CN217177671U

CN217177671U - Protection device for horizontal pipe of ground source heat pump

Info

Publication number: CN217177671U
Application number: CN202123320009.5U
Authority: CN
Inventors: 隋欣彦; 乔伟; 杨亚伟
Original assignee: Shaanxi Xingzhengwei New Energy Technology Co ltd
Current assignee: Shaanxi Xingzhengwei New Energy Technology Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-08-12
Anticipated expiration: 2031-12-27

Abstract

The utility model provides a protection device for a ground source heat pump horizontal pipe, which comprises a base layer, a horizontal pipe burying layer and an original soil backfill layer which are arranged from bottom to top in sequence, wherein the upper end of the original soil backfill layer is provided with a marking component; the horizontal pipe burying layer comprises a cushion layer arranged on a base layer, a surrounding baffle arranged on the periphery of the upper end of the cushion layer and a protective top layer arranged on the surrounding baffle, wherein the cushion layer, the cavity surrounded by the surrounding baffle and the protective top layer are uniformly paved with horizontal pipes, short walls are arranged between two horizontal pipes and outside two horizontal pipes, upward convex angle steel is erected on the two adjacent short walls, and fine sand is filled between the angle steel, the short walls and the horizontal pipes and between the angle steel and the protective top layer. The utility model discloses very big promotion the bearing capacity of ground source heat pump system horizontal connecting pipe to having the sign effect, making things convenient for road surface construction and horizontal pipe to overhaul, not only having guaranteed the more stable operation that lasts of whole ground source heat pump system, having reduced corresponding engineering maintenance cost such as maintenance simultaneously.

Description

Protection device for horizontal pipe of ground source heat pump

Technical Field

The utility model relates to a ground source heat pump construction technical field, concretely relates to protection device of ground source heat pump horizontal pipe.

Background

The ground source heat pump system utilizes soil as a heat source, heat exchange between the system and the ground is realized through the flow of circulating fluid (water or antifreeze) in a closed underground vertical buried pipe, and the circulating fluid after heat exchange is connected with a heat pump unit in a machine room and the underground vertical buried pipe through a horizontal connecting pipe.

The outdoor heat exchange hole system of the ground source heat pump system is mainly divided into a vertical buried pipe and a horizontal connecting pipe.

The existing ground source heat pump system outdoor heat exchange hole system can be used as greening or parking space after construction. The protection measures of the existing horizontal connecting pipe are only to fill a fine sand layer with the thickness of 300mm around the horizontal pipe, but due to the problems of project requirements or construction sites and the like, the site after the outdoor heat exchange hole system is constructed has larger bearing requirements (such as passing through overweight loading and unloading vehicles, traffic main roads and the like). If the horizontal pipe part of the outdoor heat exchange hole of the ground source heat pump system cannot be effectively protected, the effective service life of the ground source heat pump system is greatly shortened, even great influence on the road surface can be caused, and the repair cost is greatly increased.

In view of the above, there is a need to design a protection device for horizontal pipe of ground source heat pump that overcomes the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a overcome the protection device of ground source heat pump horizontal pipe of above-mentioned problem.

In order to realize the purpose, the utility model discloses a technical scheme is: a protection device for a horizontal pipe of a ground source heat pump comprises:

the device comprises a base layer, a horizontal pipe buried layer and an original soil backfill layer which are sequentially arranged from bottom to top, wherein a marking assembly is arranged at the upper end of the original soil backfill layer;

the horizontal pipe buried layer comprises a cushion layer arranged on the base layer, a surrounding baffle arranged on the periphery of the upper end of the cushion layer and a protective top layer arranged on the upper end of the surrounding baffle, wherein horizontal pipes are uniformly laid in a cavity surrounded by the cushion layer, the surrounding baffle and the protective top layer, two horizontal pipes between the horizontal pipes and at the outermost side are respectively provided with a short wall, two adjacent angle steel protruding upwards is erected at the upper end of the short wall, and the angle steel, the short wall, gaps between the horizontal pipes and the angle steel and the protective top layer are all filled with fine sand.

The purpose of the utility model and the technical problem thereof can be further realized by adopting the following technical measures.

Furthermore, horizontal connecting pieces are evenly welded to two sides of the angle steel respectively and are detachably connected with the low wall through fixing bolts.

Further, the angle steel is triangular steel with a triangular section.

Further, the cushion layer and the protective top layer are both concrete precast slabs.

Further, the base layer is formed by tamping 3:7 lime soil.

Further, the height of the low wall is 300 mm.

Furthermore, the marking assembly comprises a vertical rod inserted in the original soil backfill layer and a first marking block and a second marking block which are rotatably arranged at the upper end of the vertical rod, the vertical rod is inserted right above any corner of the horizontal pipe burying layer, and the first marking block and the second marking block are horizontally arranged.

Further, first mark block is the same with second mark block structure, and the two all includes the marking plate, sets up the recess of marking plate upper end and establishing removable cover in the recess, the bottom subsides of recess are equipped with the blank.

Furthermore, the rear side of the movable cover plate is connected with the groove hinge, and the front sides of the movable cover plate and the groove hinge are connected through a buckle.

Furthermore, the bottom end of the vertical rod is of a tapered structure with a thin lower part and a thick upper part.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a protection device of ground source heat pump horizontal pipe, it is through establishing the horizontal pipe at by the bed course, enclose the intracavity that keeps off and protect the top layer and enclose, set up short wall again between two horizontal pipe outsides in the outside and two adjacent horizontal pipes, set up the angle bar on two adjacent short walls, and at the angle steel, gap and angle steel between short wall and the horizontal pipe and the protection top layer bury fine sand, thereby when ground source heat pump system operates, each horizontal connection nest of tubes receives better bearing protection, can bear the more big load of perpendicular to ground direction, the more stable operation that lasts of whole ground source heat pump system has not only been guaranteed, corresponding expenses such as engineering maintenance have been reduced simultaneously. The problem of ground source heat pump system's horizontal connecting pipe among the prior art lacks the protection is solved, the bearing capacity of the horizontal connecting pipe of ground source heat pump system of very big promotion.

2. The utility model discloses a protection device of ground source heat pump horizontal pipe, it is equipped with the mark subassembly through the upper end at former soil backfill layer, and the staff discerns the buried position of horizontal pipe when being convenient for to pave the construction, plays the warning effect to avoid when the construction is paved unfinished, exert the heavy pressure to former soil backfill layer, can avoid destroying the horizontal pipe when paving the construction.

Drawings

Fig. 1 is a schematic cross-sectional structure diagram of a protection device for a ground source heat pump horizontal pipe provided by the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is a schematic diagram of an overall structure of a marking assembly according to an embodiment of the present invention;

description of reference numerals:

1. a base layer;

2. a horizontal tube burying layer; 21. a cushion layer; 22. fencing; 23. a protective top layer; 24. a horizontal tube; 25. a low wall; 26. angle steel; 27. fine sand; 28. a horizontal connecting sheet; 29. fixing the bolt;

3. an original soil backfill layer;

4. paving a construction working surface;

5. a marking component; 51. a vertical rod; 52. a first marker block; 521. a marking plate; 522. a groove; 523. a removable cover plate; 524. a white board; 53. a second marker block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 3, a protection device for a horizontal pipe of a ground source heat pump includes:

the buried pipeline underground water-level pipeline comprises a base layer 1, a horizontal pipe buried layer 2 and an original soil backfill layer 3 which are sequentially arranged from bottom to top, wherein a marking component 5 is arranged at the upper end of the original soil backfill layer 3, and the marking component 5 is used for marking the buried position of a horizontal pipe and plays a role in prompting when a paving worker is in construction or the horizontal pipe is maintained; the upper end of the original soil backfill layer 3 is a reserved paving construction working surface 4;

the horizontal pipe buried layer 2 comprises a cushion layer 21 arranged on the base layer 1, a surrounding baffle 22 arranged on the periphery of the upper end of the cushion layer 21 and a protective top layer 23 arranged on the upper end of the surrounding baffle 22, horizontal pipes 24 are uniformly laid in a cavity surrounded by the cushion layer 21, the surrounding baffle 22 and the protective top layer 23, short walls 25 are arranged between the two horizontal pipes 24 and outside the two horizontal pipes 24 on the outermost side, upward-raised angle steel 26 is erected at the upper ends of the two adjacent short walls 25, and fine sand 27 is filled in gaps among the angle steel 26, the short walls 25 and the horizontal pipes 24 and between the angle steel 26 and the protective top layer 23. Wherein the total height of the low wall 25 and the angle steel 26 is not more than the height of the enclosure 22; wherein, the junction of the horizontal pipe 24 and the vertical pipe may not be provided with the enclosure 22, or may be provided with the hollow enclosure 22, so that the connecting pipe can pass through the enclosure. And the angle steel 26 protruding upwards is adopted, so that the stability is better.

The utility model discloses in, the operating procedure of construction is buried underground to the horizontal pipe: (1) a base layer 1 is well drilled, and a cushion layer 21 is laid on the base layer 1; (2) arranging a fence 22 at the upper end of the cushion layer 21, and building a short wall 25 in the middle of the cushion layer 21 at intervals; (3) a layer of fine sand 27 is laid in the short walls 25, and then the horizontal pipes 24 are respectively laid between the two short walls 25; (4) embedding fine sand 27 at the upper end of the horizontal pipe 24, and installing angle steels 26 on two adjacent low walls 25 one by one; (5) burying fine sand 27 on the angle steel 26 until the height of the fine sand 27 is flush with the enclosure 22, and covering the protective top layer 23 on the enclosure 22; (6) backfilling with original soil to form an original soil backfill layer 3; (7) the marking assembly 5 is arranged at the upper end of the original soil backfill layer 3.

Preferably, horizontal connecting pieces 28 are uniformly welded on two sides of the angle steel 26 respectively, and the horizontal connecting pieces 28 are detachably connected with the low wall 25 through fixing bolts 29.

Preferably, the angle steel 26 is triangular steel with a triangular cross section, and the triangular steel is an existing building engineering material, so that the angle steel is convenient to obtain, and has better stability and bearing performance.

Preferably, the cushion layer 21 and the protective top layer 23 are both precast concrete plates.

Preferably, the base layer 1 is tamped with 3:7 lime soil.

Preferably, the height of the low wall 25 is 300 mm.

Preferably, as shown in fig. 3, the marking assembly 5 includes a vertical rod 51 inserted into the raw soil backfill layer 3, and a first marking block 52 and a second marking block 53 rotatably disposed at an upper end of the vertical rod 51, the vertical rod 51 is inserted right above any corner of the horizontal pipe burying layer 2, and the first marking block 52 and the second marking block 53 are horizontally disposed.

Preferably, the first marker block 52 and the second marker block 53 have the same structure, and both of them include a marker plate 521, a groove 522 formed at the upper end of the marker plate 521, and a movable cover 523 arranged in the groove 522, and a white plate 524 is attached to the bottom of the groove 522.

Preferably, the rear side of the movable cover plate 523 is hinged to the groove 522, and the front sides of the two are connected by a snap.

In order to facilitate the insertion of the vertical rod 51 into the original soil backfill layer 3, the bottom end of the vertical rod 51 is in a tapered structure with a thin lower part and a thick upper part.

In this embodiment, when the mark group price 5 is used, the vertical rod 51 is inserted right above any corner of the protective top layer 23, then the first mark block 52 and the second mark block 53 are rotated to be respectively parallel to two sides of the protective top layer 23, then the two movable cover plates 523 are respectively opened, the lengths of the two sides of the protective top layer 23 (which need to be measured in advance, and the width and length of the original soil backfill layer 3 can also be recorded) are respectively recorded on the white board 524 by using a marker pen, that is, the length and width of the buried position of the horizontal pipe, and finally the movable cover plates 523 are covered. The buried position of horizontal pipe is discerned to staff when being convenient for pave the construction, plays the warning effect to avoid when the construction is paved incompletely, exert the heavy load to former soil backfill layer 3, can avoid destroying the horizontal pipe when paving the construction.

The present invention has been further described with reference to the embodiments, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A protection device for a horizontal pipe of a ground source heat pump is characterized in that:

the soil reclamation device comprises a base layer (1), a horizontal pipe buried layer (2) and an original soil reclamation layer (3) which are sequentially arranged from bottom to top, wherein a marking assembly (5) is arranged at the upper end of the original soil reclamation layer (3);

the horizontal pipe buried layer (2) comprises a cushion layer (21) arranged on the base layer (1), a surrounding baffle (22) arranged on the periphery of the upper end of the cushion layer (21) and a protective top layer (23) arranged on the upper end of the surrounding baffle (22), wherein horizontal pipes (24) are uniformly laid in a cavity surrounded by the cushion layer (21), the surrounding baffle (22) and the protective top layer (23), short walls (25) are arranged between the two horizontal pipes (24) and on the outer sides of the two horizontal pipes (24) on the outermost side, upward convex angle steel (26) is erected at the upper end of the two adjacent short walls (25), and fine sand (27) is filled in gaps among the angle steel (26), the short walls (25) and the horizontal pipes (24) and gaps among the angle steel (26) and the protective top layer (23).

2. The protection device for the horizontal pipe of the ground source heat pump according to claim 1, characterized in that horizontal connecting pieces (28) are uniformly welded on two sides of the angle steel (26), and the horizontal connecting pieces (28) are detachably connected with the low wall (25) through fixing bolts (29).

3. The protection device for the ground source heat pump horizontal pipe as claimed in claim 1, wherein the angle steel (26) is triangular steel with a triangular cross section.

4. The protection device for the ground source heat pump horizontal pipe is characterized in that the cushion layer (21) and the protective top layer (23) are both precast concrete plates.

5. The protection device for the ground source heat pump horizontal pipe as claimed in claim 1, wherein the base layer (1) is tamped with 3:7 lime soil.

6. The protection device for the horizontal pipe of the ground source heat pump as claimed in claim 1, wherein the height of the low wall (25) is 300 mm.

7. The protection device for the ground source heat pump horizontal pipe is characterized in that the marking assembly (5) comprises a vertical rod (51) inserted in the original soil backfill layer (3) and a first marking block (52) and a second marking block (53) which are rotatably arranged at the upper end of the vertical rod (51), the vertical rod (51) is inserted right above any corner of the horizontal pipe burying layer (2), and the first marking block (52) and the second marking block (53) are horizontally arranged.

8. The protection device for the ground source heat pump horizontal pipe according to claim 7, characterized in that the first mark block (52) and the second mark block (53) are identical in structure, and both of the first mark block and the second mark block comprise a mark plate (521), a groove (522) formed in the upper end of the mark plate (521), and a movable cover plate (523) arranged in the groove (522), and a white plate (524) is attached to the bottom of the groove (522).

9. The protection device for the ground source heat pump horizontal pipe as claimed in claim 8, wherein the rear side of the movable cover plate (523) is hinged with the groove (522), and the front sides of the movable cover plate and the groove are connected through a snap.

10. The protection device for the horizontal pipe of the ground source heat pump as claimed in claim 7, wherein the bottom end of the vertical rod (51) is in a tapered structure with a thin lower part and a thick upper part.