CN209512324U - A kind of central tube for taking heat not fetch water suitable for mid-deep strata geothermal well - Google Patents

A kind of central tube for taking heat not fetch water suitable for mid-deep strata geothermal well Download PDF

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Publication number
CN209512324U
CN209512324U CN201920112759.7U CN201920112759U CN209512324U CN 209512324 U CN209512324 U CN 209512324U CN 201920112759 U CN201920112759 U CN 201920112759U CN 209512324 U CN209512324 U CN 209512324U
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CN
China
Prior art keywords
mid
geothermal well
circular hole
central tube
deep strata
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201920112759.7U
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Chinese (zh)
Inventor
沈智慧
方向清
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CHINA NATIONAL ADMINISTRATION OF COAL GEOLOGY HYDROLOGY GEOLOGIC BUREAU
Hydrogeology Bureau of China National Administration of Coal Geology
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CHINA NATIONAL ADMINISTRATION OF COAL GEOLOGY HYDROLOGY GEOLOGIC BUREAU
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Priority to CN201920112759.7U priority Critical patent/CN209512324U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/10Geothermal energy

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  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

The utility model relates to geothermal well heat exchanger tube field more particularly to a kind of central tubes for taking heat not fetch water suitable for mid-deep strata geothermal well.Including multiple sequentially connected center tube bodies, from top to bottom spaced set has the circular hole being uniformly distributed circumferentially on the side wall of the center tube body, and the lower end of center tube body described in the lowermost is notch, and the corner cut angle of the notch is 15 °~75 °.In this way, by the way that circular hole is arranged on the side wall of center tube body and in the lowermost center tube body bottom end opens up notch, so that recirculated water in the circulation process will not there is a phenomenon where turbulent flows.Have the advantage, that structure is simple compared with the existing technology, it is easy to accomplish, the turbulent flow that recirculated water is formed in center bottom of the tube is overcome, the resistance of motion of recirculated water is reduced, Circulating Water Pump Efficiency is improved, extends the service life of circulating pump.

Description

A kind of central tube for taking heat not fetch water suitable for mid-deep strata geothermal well
Technical field
The utility model relates to heat exchanger tube fields in geothermal well, more particularly to a kind of mid-deep strata geothermal well that is suitable for take heat not The central tube of water intaking.
Background technique
Currently, geothermal energy as a kind of renewable energy, have be distributed it is wide, at low cost, be easy to exploit, be clean and can be direct The advantages that utilization.The utilization for wideling popularize geothermal energy is resource-effective and environmental protection effective measures, is to realize human society The approach of sustainable development.Currently, geothermal energy utilization technology develops constantly, becomes the preferably choosing of building heating and refrigeration It selects.
Traditional mid-deep strata geothermal well central tube uses straight tube.Take the recirculated water in thermal in cyclic process, in Heart tube bottom end can generate turbulent flow, to increase the resistance of circulation water sport, reduce water circulating pump working efficiency.
Utility model content
Heat is taken not fetch water suitable for mid-deep strata geothermal well the technical problem to be solved by the utility model is to provide a kind of Central tube solves the problems, such as that central tube bottom end can generate turbulent flow.
The technical solution that the utility model solves above-mentioned technical problem is as follows: one kind being suitable for mid-deep strata geothermal well and takes heat not The central tube of water intaking, including multiple sequentially connected center tube bodies, between from top to bottom equal on the side wall of the center tube body Away from the circular hole being uniformly distributed circumferentially is provided with, the lower end of center tube body described in the lowermost is notch, and the notch is cut Angle angle is 15 °~75 °.
Further, the diameter of the circular hole is 1mm to 50mm.
Further, the diameter of the circular hole is 1mm to 5mm.
Further, the spacing of neighbouring two layers of the circular hole is 20mm to 500mm.
Further, the spacing of neighbouring two layers of the circular hole is 200mm.
Further, every layer of circular hole setting number is 3-10.
Further, every layer of circular hole setting number is 5.
Further, the corner cut angle of the notch is 45 °.
Further, the adjacent two center tube bodies are connected by box cupling.
The utility model provide it is a kind of take the central tube do not fetched water of heat suitable for mid-deep strata geothermal well, including multiple successively connect The center tube body connect, from top to bottom spaced set has the circle being uniformly distributed circumferentially on the side wall of the center tube body Hole, the lower end of center tube body described in the lowermost are notch, and the corner cut angle of the notch is 15 °~75 °.In this way, passing through Circular hole is set on the side wall of center tube body and opens up notch in the lowermost center tube body bottom end, so that recirculated water exists In the process of circulation will not there is a phenomenon where turbulent flow.Have the advantage, that structure is simple compared with the existing technology, it is easy to accomplish, gram The turbulent flow that recirculated water is formed in center bottom of the tube has been taken, the resistance of motion of recirculated water is reduced, has improved Circulating Water Pump Efficiency, has been extended The service life of circulating pump.
Detailed description of the invention
Fig. 1 is a kind of structural representation for the center tube body for taking heat not fetch water suitable for mid-deep strata geothermal well of the utility model Figure.
In attached drawing, parts list represented by the reference numerals are as follows:
1, center tube body, 2, circular hole, 3, notch.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical It is novel, it is not intended to limit the scope of the utility model.
In the description of the present invention, it should be understood that term " on ", "lower", "center", "inner", "outside", The orientation or positional relationship of the instructions such as "top", "bottom" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching State the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with Specific orientation construction and operation, therefore should not be understood as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.
As shown in Figure 1, the utility model provides a kind of central tube for taking heat not fetch water suitable for mid-deep strata geothermal well, including Multiple sequentially connected center tube bodies 1, from top to bottom spaced set has circumferentially on the side wall of the center tube body 1 The circular hole 2 of even distribution, the lower end of center tube body 1 described in the lowermost are notch 3, the corner cut angle of the notch 3 is 15 °~ 75°.In this way, by the way that circular hole 2 is arranged on the side wall of center tube body 1 and is opened up in 1 bottom end of the lowermost center tube body Notch 3 so that recirculated water in the circulation process will not there is a phenomenon where turbulent flow.Knot is had the advantage, that compared with the existing technology Structure is simple, easy to accomplish, overcomes the turbulent flow that recirculated water is formed in center bottom of the tube, reduces the resistance of motion of recirculated water, mention High circulation pump efficiency extends the service life of circulating pump.
The central tube for being suitable for mid-deep strata geothermal well and heat being taken not fetch water of the utility model, as shown in Figure 1, describing in front Technical solution on the basis of it may also is that the circular hole 2 diameter be 1mm to 50mm.Further preferred technical solution is: The diameter of the circular hole 2 is 1mm to 5mm.
The central tube for being suitable for mid-deep strata geothermal well and heat being taken not fetch water of the utility model, as shown in Figure 1, describing in front Technical solution on the basis of it may also is that the spacing of neighbouring two layers of the circular hole 2 is 20mm to 500mm.Into one Walking preferred technical solution is: the spacing of the circular hole 2 of neighbouring two layers is 200mm.
The central tube for being suitable for mid-deep strata geothermal well and heat being taken not fetch water of the utility model, as shown in Figure 1, describing in front Technical solution on the basis of it may also is that it is 3-10 that number, which is arranged, in every layer of circular hole 2.Further preferred technical solution Be: it is 5 that number, which is arranged, in every layer of circular hole 2.
The central tube for being suitable for mid-deep strata geothermal well and heat being taken not fetch water of the utility model, as shown in Figure 1, describing in front Technical solution on the basis of it may also is that the notch 3 corner cut angle be 45 °.
The central tube for being suitable for mid-deep strata geothermal well and heat being taken not fetch water of the utility model, as shown in Figure 1, describing in front Technical solution on the basis of it may also is that adjacent two center tube bodies 1 pass through box cupling connection.
Embodiment 1
The present apparatus is process by 5 center tube bodies 1 of length 6m, diameter 200mm, thickness 10mm.
It is 45 ° of notch 3 that wherein corner cut is processed into piece steel pipe bottom end of the lowermost;
Every every layer of center tube body 1 is processed 3, the circular hole 2 of diameter 10mm, every interlamellar spacing 200mm, the circular hole of adjacent layer 2 dislocation, dislocation mentioned here are interlaced arrangement.
Two adjacent center tube bodies 1 are connected by box cupling, and one end of non-notch 3 passes through the central tube of box cupling and top Connection.
Embodiment 2
The present apparatus is process by 5 center tube bodies 1 of length 10m, diameter 300mm, thickness 20mm.
It is 75 ° of notch 3 that wherein corner cut is processed into piece steel pipe bottom end of the lowermost;
Every every layer of center tube body 1 is processed 10, the circular hole 2 of diameter 5mm, every interlamellar spacing 400mm, the circular hole of adjacent layer 2 dislocation, dislocation mentioned here are interlaced arrangement.
Two adjacent center tube bodies 1 are connected by box cupling, and one end of non-notch 3 passes through the central tube of box cupling and top Connection.
Embodiment 3
The present apparatus is process by 6 center tube bodies 1 of length 5m, diameter 100mm, thickness 5mm.
It is 15 ° of notch 3 that wherein corner cut is processed into piece steel pipe bottom end of the lowermost;
Every every layer of center tube body 1 is processed 5, the circular hole 2 of diameter 3mm, every interlamellar spacing 50mm, the circular hole 2 of adjacent layer Dislocation, dislocation mentioned here are interlaced arrangement.
Two adjacent center tube bodies 1 are connected by box cupling, and one end of non-notch 3 passes through the central tube of box cupling and top Connection.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims (9)

1. a kind of central tube for taking heat not fetch water suitable for mid-deep strata geothermal well, it is characterised in that: including multiple sequentially connected Center tube body (1), from top to bottom spaced set has the circle being uniformly distributed circumferentially on the side wall of the center tube body (1) Hole (2), the lower end of center tube body (1) described in the lowermost are notch (3), the corner cut angle of the notch (3) is 15 °~ 75°。
2. the central tube according to claim 1 for taking heat not fetch water suitable for mid-deep strata geothermal well, it is characterised in that: described The diameter of circular hole (2) is 1mm to 50mm.
3. the central tube according to claim 2 for taking heat not fetch water suitable for mid-deep strata geothermal well, it is characterised in that: described The diameter of circular hole (2) is 1mm to 5mm.
4. the central tube according to claim 1 for taking heat not fetch water suitable for mid-deep strata geothermal well, it is characterised in that: up and down The spacing of the circular hole (2) of adjacent two layers is 20mm to 500mm.
5. the central tube according to claim 4 for taking heat not fetch water suitable for mid-deep strata geothermal well, it is characterised in that: up and down The spacing of the circular hole (2) of adjacent two layers is 200mm.
6. the central tube according to claim 1 for taking heat not fetch water suitable for mid-deep strata geothermal well, it is characterised in that: every layer Circular hole (2) the setting number is 3-10.
7. the central tube according to claim 1 for taking heat not fetch water suitable for mid-deep strata geothermal well, it is characterised in that: every layer Circular hole (2) the setting number is 5.
8. it is suitable for the central tube that mid-deep strata geothermal well takes heat not fetch water described in -7 any one according to claim 1, it is special Sign is: the corner cut angle of the notch (3) is 45 °.
9. it is suitable for the central tube that mid-deep strata geothermal well takes heat not fetch water described in -7 any one according to claim 1, it is special Sign is: the center tube body (1) of adjacent two is connected by box cupling.
CN201920112759.7U 2019-01-23 2019-01-23 A kind of central tube for taking heat not fetch water suitable for mid-deep strata geothermal well Expired - Fee Related CN209512324U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920112759.7U CN209512324U (en) 2019-01-23 2019-01-23 A kind of central tube for taking heat not fetch water suitable for mid-deep strata geothermal well

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920112759.7U CN209512324U (en) 2019-01-23 2019-01-23 A kind of central tube for taking heat not fetch water suitable for mid-deep strata geothermal well

Publications (1)

Publication Number Publication Date
CN209512324U true CN209512324U (en) 2019-10-18

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920112759.7U Expired - Fee Related CN209512324U (en) 2019-01-23 2019-01-23 A kind of central tube for taking heat not fetch water suitable for mid-deep strata geothermal well

Country Status (1)

Country Link
CN (1) CN209512324U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20191018

Termination date: 20210123

CF01 Termination of patent right due to non-payment of annual fee