Geothermal exploitation pipe for geothermal well

Abstract

The utility model relates to the field of geothermal exploitation, and discloses a geothermal well geothermal exploitation pipe which comprises a bottom shell, the inner wall of the bottom end of the bottom shell is fixedly connected with a first pipe body, the inner wall of the upper end of the bottom shell is slidably connected with a conversion base, and the inner wall of the upper end of the conversion base is fixedly connected with a fixing ring. A sliding block is rotationally arranged on the inner wall of the bottom end of the fixing ring, and a filter screen is fixedly connected to the outer wall of the bottom end of the sliding block. According to the filter screen mounting structure, the filter screen and the sliding block move upwards from the inner walls of the bottom ends of the bottom shell and the conversion base to enter the inner wall of the bottom end of the fixing ring, the filter screen is rotated anticlockwise, the outer wall of the sliding block extrudes the inclined face of the rear end of the embedded block, the filter screen is mounted by fixing the position of the sliding block, and the filter screen on the left side of the conversion base rotates clockwise; the inner wall of the sliding block extrudes the inclined surface of the front end of the embedded block, so that the embedded block moves upwards to leave the limiting hole of the sliding block, the sliding block is released, the filter screen can be disassembled, and the filter screen can be quickly disassembled and assembled conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to geothermal exploitation field especially relates to a geothermal exploitation pipe for geothermal well. BACKGROUND

[0002] Geothermal exploitation refers to the process of obtaining geothermal energy from the earth interior and utilizing it, in some shallow, temperature and pressure relatively low geothermal exploitation, can pipeline structure, geothermal water is directly extracted from the ground to the ground through the pipeline.

[0003] Geothermal water often contains rock debris and other solid particles, these solid particles if enter exploitation pipe, can flow together with geothermal water, in the geothermal exploitation process, when water is extracted to the ground equipment, solid particles can cause abrasion to equipment, for this need to increase filter device.

[0004] The existing geothermal exploitation pipe can set up filter device for filtering sandstone in geothermal water, but the filter screen in filter device usually passes through bolt fixation, the dismounting of filter screen is relatively time -consuming, affects operation efficiency, for this, a geothermal exploitation pipe for geothermal well is proposed to solve the above -mentioned problems. UTILITY MODEL CONTENT

[0005] In order to make up for the above insufficient, the utility model provides a geothermal exploitation pipe for geothermal well, aims at improving the problem of filter screen dismounting in prior art is relatively time -consuming.

[0006] In order to realize the above -mentioned purpose, the utility model adopts the following technical scheme: a geothermal exploitation pipe for geothermal well, including bottom shell, the bottom end inner wall of bottom shell is fixedly connected with pipe body one, the upper end inner wall of bottom shell is slidably connected with conversion seat, the upper end inner wall of conversion seat is fixedly connected with fixed ring, the bottom end inner wall of fixed ring is rotated with slider, the bottom end outer wall of slider is fixedly connected with filter screen, the upper end outer wall of bottom shell is fixedly connected with upper shell, the upper end inner wall of upper shell is fixedly connected with pipe body two, the upper end inner wall of fixed ring is provided with limiting assembly, the limiting assembly is used to limit the slider, the front end outer wall of conversion seat is provided with positioning assembly, and the positioning assembly is used for the positioning of conversion seat.

[0007] As a further description of the above technical scheme:

[0008] The positioning assembly includes fixed block, the rear end outer wall of fixed block is fixedly connected on the front end outer wall of conversion seat, and the rear side outer wall of fixed block is elastically connected with limiting block through spring one.

[0009] As a further description of the above technical scheme:

[0010] The lower side outer wall of the embedded block is elastically connected to the inner wall of the upper end of the fixed ring by spring two.

[0011] As a further description of the above technical solution:

[0012] One end of the spring one is fixedly connected to the rear side outer wall of the fixed block, and the other end of the spring one is fixedly connected to the front end outer wall of the limiting block.

[0013] As a further description of the above technical solution:

[0014] The front end inner wall of the limiting block is slidably connected to the outer wall of the fixed block, the rear side outer wall of the limiting block is clamped to the front end inner wall of the upper shell, and the rear side outer wall of the limiting block is clamped to the front end inner wall of the bottom shell.

[0015] As a further description of the above technical solution:

[0016] One end of the spring two is fixedly connected to the lower side outer wall of the embedded block, and the other end of the spring two is fixedly connected to the upper end outer wall of the fixed ring.

[0017] As a further description of the above technical solution:

[0018] The lower side outer wall of the embedded block penetrates and is slidably connected to the inner wall of the upper end of the fixed ring, the front and rear side outer walls of the embedded block are both arranged in an inclined manner, and the bottom end outer wall of the embedded block is clamped to the upper end inner wall of the sliding block.

[0019] As a further description of the above technical solution:

[0020] The front end upper side outer wall of the sliding block is arranged in an inclined manner, and the upper end inner wall of the sliding block is provided with a limiting hole.

[0021] The utility model has the advantages of the following:

[0022] 1. In the utility model, the filter screen and the sliding block are moved upwards from the bottom end inner wall of the bottom shell and the conversion seat to the bottom end inner wall of the fixed ring, the filter screen is counterclockwise rotated, the outer wall of the sliding block extrudes the rear end inclined surface of the embedded block, the position of the sliding block is fixed to complete the installation of the filter screen, the filter screen on the left side of the conversion seat is clockwise rotated, the inner wall of the sliding block extrudes the front end inclined surface of the embedded block, the embedded block is moved upwards to leave the limiting hole of the sliding block, the fixing of the sliding block is released, the filter screen can be disassembled, and the filter screen can be quickly disassembled and assembled.

[0023] 2. In the utility model, the limiting block is moved away from the front end inner wall of the upper shell and the bottom shell, the conversion seat is pushed to the left, the through hole on the right side of the conversion seat is moved to the position of the previous through hole, the filter screen in the through hole is used for filtering operation, the replacement time is reduced, and the efficiency is improved. ACCURATE DESCRIPTION OF DRAWINGS

[0024] Figure 1 A three-dimensional schematic view of a geothermal exploitation pipe for a geothermal well is provided for the utility model;

[0025] Figure 2 A limiting block schematic view of a geothermal exploitation pipe for a geothermal well is provided for the utility model;

[0026] Figure 3 A cross-sectional schematic view of a conversion seat of a geothermal exploitation pipe for a geothermal well is provided for the utility model;

[0027] Figure 4 A filter screen schematic view of a geothermal exploitation pipe for a geothermal well is provided for the utility model;

[0028] Figure 5 An embedded block schematic view of a geothermal exploitation pipe for a geothermal well is provided for the utility model.

[0029] Legend:

[0030] 1, pipe body two; 2, upper shell; 3, bottom shell; 4, spring one; 5, limiting block; 6, pipe body one; 7, fixed block; 8, conversion seat; 9, filter screen; 10, fixed ring; 11, sliding block; 12, embedded block; 13, spring two. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0032] Reference Figures 1-4The utility model provides an embodiment: a kind of geothermal exploitation pipe for geothermal well, including bottom shell 3, three through holes are provided on the bottom end inner wall of bottom shell 3, the diameter of the through hole of bottom shell 3 bottom end is consistent with the through hole of conversion seat 8, fixedly connected with pipe body one 6 on the bottom end inner wall of bottom shell 3, pipe body one 6 is used to transport geothermal water, slidingly connected with conversion seat 8 on the upper end inner wall of bottom shell 3, two through holes are set on the upper end inner wall of conversion seat 8, rectangular block is provided on the outer wall of conversion seat 8, fixedly connected with fixed ring 10 on the upper end inner wall of conversion seat 8, fixed ring 10 provides support for sliding block 11, notch is set on the bottom end of fixed ring 10, rotation has sliding block 11 on the bottom end inner wall of fixed ring 10, sliding block 11 is used for the installation of filter screen 9 on the inner wall of fixed ring 10, the front end upper side outer wall of sliding block 11 is arranged in inclined shape, limit hole is set on the upper end inner wall of sliding block 11, fixedly connected with filter screen 9 on the bottom end outer wall of sliding block 11, filter screen 9 is used to prevent the sand and gravel of relatively large particle to enter into geothermal water using equipment by pipe body two 1, cause the damage of equipment, fixedly connected with upper shell 2 on the upper end outer wall of bottom shell 3, upper shell 2 is combined with bottom shell 3, limit the movement range of conversion seat 8, fixedly connected with pipe body two 1 on the upper end inner wall of upper shell 2, pipe body two 1 is used to transport the geothermal water after the filtration of filter screen 9, limit component is set on the upper end inner wall of fixed ring 10, and limit component is used to limit sliding block 11, positioning assembly is set on the front end outer wall of conversion seat 8, and positioning assembly is used for the positioning of conversion seat 8.

[0033] Referring to Figure 1 And Figure 2 Positioning assembly includes fixed block 7, fixed block 7 is used to support the sliding of limit block 5, provides support for the sliding of limit block 5, the rear end outer wall of fixed block 7 is fixedly connected on the front end outer wall of conversion seat 8, the rear side outer wall of fixed block 7 is elastically connected with limit block 5 by spring one 4, the rear end outer wall of limit block 5 is away from the front end inner wall of upper shell 2 and bottom shell 3, extrusion spring one 4, can remove the fixing of conversion seat 8;The rear end outer wall of limit block 5 is clamped on the front end inner wall of upper shell 2 and bottom shell 3, can fix the position of conversion seat 8, the front end inner wall of limit block 5 is slidingly connected on the outer wall of fixed block 7, the rear side outer wall of limit block 5 is clamped on the front end inner wall of upper shell 2, the rear side outer wall of limit block 5 is clamped on the front end inner wall of bottom shell 3, one end of spring one 4 is fixedly connected on the rear side outer wall of fixed block 7, the other end of spring one 4 is fixedly connected on the front end outer wall of limit block 5.

[0034] Referring to Figures 3-5The position limiting assembly comprises an embedded block 12, the bottom end outer wall of the embedded block 12 is clamped on the upper end inner wall of the sliding block 11, so as to fix the position of the sliding block 11, the position of the filter screen 9 is fixed by fixing the position of the sliding block 11, when the filter screen 9 is installed, the sliding block 11 enters into the fixing ring 10, the outer wall of the sliding block 11 extrudes the rear end inclined surface of the embedded block 12, so as to move the embedded block 12 upward, when the limiting hole on the sliding block 11 moves to the bottom end of the embedded block 12, the embedded block 12 is clamped on the upper end inner wall of the sliding block 11 by spring 2 13, so as to fix the position of the sliding block 11, when the filter screen 9 needs to be disassembled, the filter screen 9 is rotated clockwise, the inner wall of the sliding block 11 extrudes the front end inclined surface of the embedded block 12, so as to move the embedded block 12 upward and away from the limiting hole of the sliding block 11, the fixing of the sliding block 11 is released, the lower side outer wall of the embedded block 12 penetrates and is slidably connected on the upper end inner wall of the fixing ring 10, the front and rear side outer walls of the embedded block 12 are both arranged in an inclined manner, the bottom end outer wall of the embedded block 12 is clamped on the upper end inner wall of the sliding block 11, the lower side outer wall of the embedded block 12 is elastically connected on the upper end inner wall of the fixing ring 10 by spring 2 13, one end of the spring 2 13 is fixedly connected on the lower side outer wall of the embedded block 12, the other end of the spring 2 13 is fixedly connected on the upper end outer wall of the fixing ring 10.

[0035] Working principle: the filter screen 9 and the sliding block 11 are moved upward from the bottom end inner wall of the bottom shell 3 and the conversion seat 8, so that the sliding block 11 enters into the bottom end inner wall of the fixing ring 10, the filter screen 9 is rotated counterclockwise, the outer wall of the sliding block 11 extrudes the rear end inclined surface of the embedded block 12, so as to move the embedded block 12 upward, when the limiting hole on the sliding block 11 moves to the bottom end of the embedded block 12, the embedded block 12 is clamped on the upper end inner wall of the sliding block 11 by spring 2 13, so as to fix the position of the sliding block 11, the installation of the filter screen 9 is completed by fixing the position of the sliding block 11, when the filter screen 9 needs to be replaced, the limiting block 5 is moved to be away from the front end inner wall of the upper shell 2 and the bottom shell 3, the conversion seat 8 is pushed to the left, so that the penetrating hole on the right side of the conversion seat 8 moves to the position of the previous penetrating hole, the filter operation is performed by the filter screen 9 inside, the filter screen 9 on the left side of the conversion seat 8 is rotated clockwise, the inner wall of the sliding block 11 extrudes the front end inclined surface of the embedded block 12, so as to move the embedded block 12 upward and away from the limiting hole of the sliding block 11, the fixing of the sliding block 11 is released, so that the filter screen 9 can be disassembled.

[0036] Finally, it should be noted that: the above only for preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A geothermal exploitation tube for geothermal wells, comprising a base shell (3), characterized in that: The bottom end inner wall of the bottom shell (3) is fixedly connected with a pipe body one (6), the upper end inner wall of the bottom shell (3) is slidably connected with a conversion seat (8), the upper end inner wall of the conversion seat (8) is fixedly connected with a fixed ring (10), the bottom end inner wall of the fixed ring (10) is rotatably connected with a sliding block (11), the bottom end outer wall of the sliding block (11) is fixedly connected with a filter screen (9), the upper end outer wall of the bottom shell (3) is fixedly connected with an upper shell (2), the upper end inner wall of the upper shell (2) is fixedly connected with a pipe body two (1), the upper end inner wall of the fixed ring (10) is provided with a limiting assembly, the limiting assembly is used for limiting the sliding block (11), and the front end outer wall of the conversion seat (8) is provided with a positioning assembly, and the positioning assembly is used for positioning the conversion seat (8).

2. A geothermal production pipe for geothermal wells according to claim 1, characterized in that: The positioning assembly comprises a fixed block (7), the rear end outer wall of the fixed block (7) is fixedly connected with the front end outer wall of the conversion seat (8), and the rear side outer wall of the fixed block (7) is elastically connected with a limiting block (5) through a spring one (4).

3. The geothermal exploitation pipe for geothermal well according to claim 1, characterized in that: The limiting assembly comprises an embedded block (12), and the lower side outer wall of the embedded block (12) is elastically connected with the upper end inner wall of the fixed ring (10) through a spring two (13).

4. The geothermal production pipe according to claim 2, characterized in that: One end of the spring one (4) is fixedly connected with the rear side outer wall of the fixed block (7), and the other end of the spring one (4) is fixedly connected with the front end outer wall of the limiting block (5).

5. The geothermal production pipe according to claim 2, characterized in that: The front end inner wall of the limiting block (5) is slidably connected with the outer wall of the fixed block (7), the rear side outer wall of the limiting block (5) is clamped on the front end inner wall of the upper shell (2), and the rear side outer wall of the limiting block (5) is clamped on the front end inner wall of the bottom shell (3).

6. A geothermal production pipe for geothermal wells according to claim 3, characterized in that: One end of the spring two (13) is fixedly connected with the lower side outer wall of the embedded block (12), and the other end of the spring two (13) is fixedly connected with the upper end outer wall of the fixed ring (10).

7. The geothermal production pipe according to claim 3, characterized in that: The lower side outer wall of the embedded block (12) penetrates and is slidably connected with the upper end inner wall of the fixed ring (10), the front and rear side outer walls of the embedded block (12) are both arranged in an inclined manner, and the bottom end outer wall of the embedded block (12) is clamped on the upper end inner wall of the sliding block (11).

8. The geothermal production pipe according to claim 1, characterized in that: The front end upper side outer wall of the sliding block (11) is arranged in an inclined manner, and the upper end inner wall of the sliding block (11) is provided with a limiting hole.

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