Geothermal pipe for geothermal development

Abstract

The utility model discloses a geothermal pipe for geothermal development, and belongs to the technical field of geothermal development. Comprising a sealing cover, an outer pipe arranged at the bottom of the sealing cover, a connecting rod arranged on the circumferential inner wall of the outer pipe, an inner pipe arranged at the other end of the connecting rod, a splicing assembly arranged at the bottom of the outer pipe, a base arranged at the bottom of an inner cavity of the base and an anti-blocking assembly arranged at the bottom of the inner cavity of the base. The two outer pipes are spliced, the positioning blocks enter the positioning grooves to extrude and drive the clamping blocks to move into the containing grooves, the resilience force of the springs drives the clamping blocks to move and enter the clamping grooves, and therefore the outer pipes are connected more stably, the conical cylinders enter the conical grooves to connect the two adjacent inner pipes, and the connecting efficiency is improved. The length of the geothermal pipe can be conveniently adjusted to adapt to geothermal wells with different depths, and the anti-blocking assembly drives water flow to generate turbulent flow to scatter scale, so that scale blockage is prevented. According to the structural design, splicing of the geothermal pipes is simpler and more convenient, time and labor are saved, turbulent flow is conveniently formed to disperse and discharge scale, and blockage is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to geothermal development technical field more specifically, relate to a geothermal development geothermal pipe. BACKGROUND

[0002] Geothermal is the natural heat flow of the earth lava, is a kind of heat energy resources from the earth interior, at present, in the development process of well geothermal resources, geothermal is a new type of clean resources and energy, in order to better utilize geothermal, generally, geothermal pipe is buried in geothermal position to collect the heat in geothermal, effectively guarantee the utilization of geothermal.

[0003] The prior art patent document with the publication number CN216557734U provides a geothermal pipe for geothermal development, the device is provided with spiral blades between the outer pipe body and the inner pipe body, so that the cold water flow path through the inside of the outer pipe body is increased, and the heat exchange effect with geothermal is better, the heat-conducting fins arranged in the inside of the outer pipe body can better conduct the heat on the outer pipe body to the cold water, further improving the efficiency and effect of cold water heat absorption, the geothermal pipes are connected together one by one in a threaded connection manner, the embedding depth of the geothermal pipes can be significantly increased, and the time length of cold water heated by geothermal can be prolonged, so that the cold water is heated higher, the clamping grooves are arranged at the connecting pipe ports, so that the sealing performance of the two geothermal pipes after threaded connection is better.

[0004] Although the device has many beneficial effects, there are still the following problems: during the use of the device, the geothermal pipes are installed and spliced in a threaded manner, which is time-consuming and laborious, and the disassembly and assembly are not simple enough, secondly, long-term accumulation of water scale during the use of the device may cause blockage and affect use, which needs to be improved, in view of this, we propose a geothermal pipe for geothermal development. UTILITY MODEL CONTENT

[0005] 1. Technical problem to be solved

[0006] The utility model aims to provide a geothermal pipe for geothermal development, to solve the problems that the existing geothermal pipes are installed and spliced in a threaded manner, which is time-consuming and laborious, and the disassembly and assembly are not simple enough, and long-term accumulation of water scale may cause blockage and affect use.

[0007] 2. Technical scheme

[0008] The utility model provides a geothermal pipe for geothermal development, including the cover, the bottom of cover is equipped with outer tube, the circumferential inner wall of outer tube is equipped with connecting rod, the other end of connecting rod is equipped with inner tube, the bottom of outer tube is equipped with splicing component, splicing component includes locating block, the lateral wall of locating block is equipped with the clamping groove, the top of outer tube is equipped with the locating groove, the lateral wall of locating groove is equipped with the accommodating groove, the lateral wall of accommodating groove is equipped with spring, the other end of spring is equipped with the clamping block, the bottom of inner tube is equipped with the taper cylinder, the top of circumferential inner wall of inner tube is equipped with the taper groove, the bottom of outer tube is equipped with the base, the bottom of base inner chamber is equipped with the anti -blocking component.

[0009] Preferably, the anti-blocking component includes a fixed seat, a plurality of water inlet holes are formed in the circumferential outer wall of the fixed seat, a connecting pipe is arranged in the inner cavity of the fixed seat, a plurality of water outlet holes are formed in the circumferential outer wall of the connecting pipe, and a plurality of rotating blocks are rotatably connected to the circumferential inner wall of the fixed seat.

[0010] Preferably, the top of the clamping block is inclined, the size and position of the clamping block are matched with the size and position of the clamping groove, and the size and position of the taper cylinder are matched with the size and position of the taper groove.

[0011] Preferably, the top and bottom of the circumferential inner wall of the outer tube are provided with sealing rings, and the material of the sealing rings is perfluoroether rubber.

[0012] Preferably, the top of the cover is provided with two water pipes, one end of one of the water pipes is provided with a water pump, and the other end of the other water pipe is provided with a water storage tank.

[0013] Preferably, the surface of the water storage tank is made of stainless steel, and the inner core of the water storage tank is made of polystyrene.

[0014] Preferably, the circumferential inner wall of the outer tube is provided with a plurality of fins, and a plurality of through holes are formed in the lateral wall of the fins.

[0015] 3. Beneficial effects

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] The two outer tubes are spliced, the locating block enters the locating groove to extrude and drive the clamping block to move into the accommodating groove, the spring rebound force drives the clamping block to move into the clamping groove, the outer tube connection is more stable, the taper cylinder enters the taper groove to connect the adjacent two inner tubes, and the length of the geothermal pipe is adjusted to adapt to geothermal wells of different depths.

[0018] Second, through the water flow from the water inlet hole into the impact rotating block, the rotating block is rotated to drive the water flow to occur rapid turbulence, so as to disperse the water scale, so that the water scale enters the connecting pipe from the water delivery hole with the water flow, thereby being discharged from the inner tube to prevent the water scale from being blocked. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the overall structure schematic view of the utility model;

[0020] Figure 2 It is the outer tube part structure section schematic view of the utility model;

[0021] Figure 3 It is the splicing assembly part structure section schematic view of the utility model;

[0022] Figure 4 It is the base part structure internal schematic view of the utility model;

[0023] Figure 5 It is the anti-blocking assembly part structure split schematic view of the utility model;

[0024] Mark number explanation in drawing: 1, cover; 2, outer tube; 3, fixed rod; 4, inner tube; 5, splicing assembly; 6, base; 7, anti-blocking assembly; 8, water delivery pipe; 9, water pump; 10, water storage tank; 11, fin; 12, through hole; 501, positioning block; 502, clamping groove; 503, positioning groove; 504, containing groove; 505, spring; 506, clamping block; 507, cone cylinder; 508, taper groove; 509, sealing ring; 701, fixed seat; 702, water inlet hole; 703, connecting pipe; 704, water delivery hole; 705, rotating block. DETAILED DESCRIPTION

[0025] In the description of the utility model, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model.

[0026] In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0027] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the terms "mount", "set", "sleeve / joint", "connect" and the like should be understood broadly, for example, "connect", can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be the communication inside two elements.For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0028] Please refer to Figures 1-5 The utility model provides a technical scheme:

[0029] A geothermal pipe for geothermal development, including cover 1, the bottom of cover 1 is clamped with outer tube 2, the circumferential inner wall of outer tube 2 is fixed with connecting rod 3, the other end of connecting rod 3 is fixed with inner tube 4, the bottom of outer tube 2 is fixed with splicing assembly 5, splicing assembly 5 includes locating block 501, the side wall of locating block 501 is provided with clamping groove 502, the top of outer tube 2 is provided with locating groove 503, the side wall of locating groove 503 is provided with accommodating groove 504, the side wall of accommodating groove 504 is fixed with spring 505, the other end of spring 505 is fixed with clamping block 506, the bottom of inner tube 4 is fixed with taper cylinder 507, the top of the circumferential inner wall of inner tube 4 is provided with taper groove 508, the bottom of outer tube 2 is clamped with base 6, the bottom of the inner chamber of base 6 is welded with anti-blocking assembly 7.The utility model splices two outer tubes 2, and the locating block 501 is driven into the inside of accommodating groove 504 by extruding into locating groove 503, the clamping block 506 is moved into the inside of clamping groove 502 by the resilience of spring 505, so that the connection of outer tube 2 is more stable, the taper cylinder 507 is connected with the adjacent two inner tubes 4 by entering taper groove 508, and the length of geothermal pipe is adjusted to adapt to geothermal well of different depth.

[0030] Specifically, the anti-blocking assembly 7 includes a fixed seat 701, a plurality of water inlet holes 702 are formed in the circumferential outer wall of the fixed seat 701, a connecting pipe 703 is fixedly arranged in the inner cavity of the fixed seat 701, a plurality of water outlet holes 704 are formed in the circumferential outer wall of the connecting pipe 703, and a plurality of rotating blocks 705 are rotatably connected to the circumferential inner wall of the fixed seat 701. The water flow enters the rotating block 705 from the water inlet hole 702, and the rotating block 705 is rotated to drive the water flow to form rapid turbulence, so that the water scale is dispersed, and the water scale enters the connecting pipe 703 from the water outlet hole 704 together with the water flow, and is discharged from the inner tube 4, thereby preventing the water scale from being blocked.

[0031] Further, the top of the card block 506 is inclined, the size and position of the card block 506 match the size and position of the card slot 502, and the size and position of the tapered cylinder 507 match the size and position of the tapered slot 508. The top of the card block 506 is inclined to facilitate the positioning block 501 to extrude the card block 506 to move, and the card block 506 matches the size and position of the card slot 502 to facilitate the adjacent outer tube 2 to be connected more stably.

[0032] It is worth noting that the top of the outer tube 2 is provided with a sealing ring 509, and the material of the sealing ring 509 is perfluoroether rubber. The sealing ring 509 on the top of the outer tube 2 is in abutment with the sealing ring 509 on the bottom of the outer tube 2, so that the sealing performance is improved, and the perfluoroether rubber material is resistant to high temperature.

[0033] It is worth noting that the top of the cover 1 is provided with two water pipes 8, one end of one of the water pipes 8 is provided with a water pump 9, and the other end of the other water pipe 8 is provided with a water storage tank 10. The water pump 9 is opened to continuously input water into the outer tube 2, and the heated water flows into the water storage tank 10 for storage.

[0034] In addition, the surface of the water storage tank 10 is made of stainless steel, and the inner core of the water storage tank 10 is made of polystyrene. The inner core made of polystyrene can improve the heat preservation performance of the water storage tank 10. The molecular structure of polyethylene itself does not absorb water, the front and back surfaces of the plate are both without gaps, the moisture permeability index is less than 2.0 ng / (Pa.m.s), the volume water absorption rate after soaking is less than 1.0%, the inside is a closed bubble structure, which is an environmentally friendly heat preservation material with low thermal conductivity, high compressive strength, non-water absorption, light weight, corrosion resistance, long application period and other advantages. It is not easy to break, convenient to transport, easy to install, and easy to cut. In addition, the impact strength is high, and it remains unchanged even after a long time of foaming.

[0035] Further, the outer tube 2 is welded with a plurality of fins 11, and a plurality of through holes 12 are formed in the side wall of the fin 11. The fins 11 improve the heat exchange efficiency, so that the water heating speed is faster, and the through holes 12 promote the water to change from laminar flow to turbulent flow in advance, so that the heat transfer on the surface of the fin 11 is enhanced.

[0036] In addition, the circuits, electronic components and modules involved in the utility model are prior art, and those skilled in the art can realize them without further description. The content protected by the utility model does not involve improvement of internal structure and method.

[0037] The device or equipment model involved in the present application is as follows:

[0038] The model of the water pump 9 can be IS65-50-160.

[0039] Working principle: when the device is needed for geothermal development with geothermal pipe, two outer pipes 2 are spliced, positioning block 501 enters positioning groove 503, extrusion block 506 top inclined surface is extruded, block 506 moves into containing groove 504, spring 505 rebound force drives block 506 to move into clamping groove 502, cone cylinder 507 is clamped into taper groove 508, base 6 is clamped at the bottom of outer pipe 2, the spliced geothermal pipe is installed in the geothermal well, cover 1 is clamped at the top of outer pipe 2, water pump 9 is started to make water continuously input into outer pipe 2, geothermal energy heats water, hot water enters water inlet hole 702 to drive rotating block 705 to rotate, water flow generates rapid turbulent impact on scale, scale enters connecting pipe 703 with water flow, and then flows into water storage tank 10 from inner pipe 4 for storage.

[0040] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the utility model and are not intended to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements fall within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A geothermal pipe for geothermal exploitation comprising a cap (1), characterized in that: The bottom of the cover (1) is provided with an outer tube (2), the circumferential inner wall of the outer tube (2) is provided with a connecting rod (3), the other end of the connecting rod (3) is provided with an inner tube (4), the bottom of the outer tube (2) is provided with a splicing assembly (5), the splicing assembly (5) includes a positioning block (501), the side wall of the positioning block (501) is provided with a clamping groove (502), the top of the outer tube (2) is provided with a positioning groove (503), the side wall of the positioning groove (503) is provided with a containing groove (504), the side wall of the containing groove (504) is provided with a spring (505), the other end of the spring (505) is provided with a clamping block (506), the bottom of the inner tube (4) is provided with a tapered cylinder (507), the top of the circumferential inner wall of the inner tube (4) is provided with a tapered groove (508), the bottom of the outer tube (2) is provided with a base (6), the inner cavity of the base (6) is provided with an anti-blocking assembly (7).

2. The geothermal pipe for geothermal development according to claim 1, characterized by: The anti-blocking assembly (7) includes a fixed seat (701), a plurality of water inlet holes (702) are formed in the circumferential outer wall of the fixed seat (701), the inner cavity of the fixed seat (701) is provided with a connecting pipe (703), a plurality of water conveying holes (704) are formed in the circumferential outer wall of the connecting pipe (703), and a plurality of rotating blocks (705) are rotatably connected to the circumferential inner wall of the fixed seat (701).

3. The geothermal pipe for geothermal development according to claim 2, characterized by: The top of the clamping block (506) is inclined, the size and position of the clamping block (506) are matched with the size and position of the clamping groove (502), and the size and position of the tapered cylinder (507) are matched with the size and position of the tapered groove (508).

4. The geothermal pipe for geothermal development according to claim 3, characterized by: The top and bottom of the circumferential inner wall of the outer tube (2) are provided with sealing rings (509), and the material of the sealing ring (509) is perfluoroether rubber.

5. The geothermal pipe for geothermal development according to claim 4, characterized by: The top of the cover (1) is provided with two water conveying pipes (8), one end of one of the water conveying pipes (8) is provided with a water pump (9), and the other end of the other water conveying pipe (8) is provided with a water storage tank (10).

6. The geothermal pipe for geothermal development according to claim 5, characterized by: The surface of the water storage tank (10) is made of stainless steel, and the inner core of the water storage tank (10) is made of polystyrene.

7. The geothermal pipe for geothermal development according to claim 6, characterized by: The circumferential inner wall of the outer tube (2) is provided with a plurality of fins (11), and a plurality of through holes (12) are formed in the side wall of the fin (11).

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