CN210034788U - Geothermal heat insulation pipe - Google Patents
Geothermal heat insulation pipe Download PDFInfo
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- CN210034788U CN210034788U CN201920785664.1U CN201920785664U CN210034788U CN 210034788 U CN210034788 U CN 210034788U CN 201920785664 U CN201920785664 U CN 201920785664U CN 210034788 U CN210034788 U CN 210034788U
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Abstract
The utility model relates to a geothermal heat insulation pipe, which comprises a heat insulation pipe body and a connecting pipe body, wherein the end part of the heat insulation pipe body is in threaded connection with the connecting pipe body, the heat insulation pipe body comprises an outer heat insulation pipe and an inner heat insulation pipe, the inner heat insulation pipe is welded in the outer heat insulation pipe, a first accommodating cavity is formed between the inner heat insulation pipe and the outer heat insulation pipe, a first heat insulation layer and four first connecting pieces are arranged in the first accommodating cavity, the first heat insulation layer is fixedly connected with the outer wall of the inner heat insulation pipe, the two ends of the four first connecting pieces are respectively fixedly connected with the inner walls of the first heat insulation layer and the outer heat insulation pipe, the outer wall of the outer heat insulation pipe is fixedly connected with a second heat insulation layer, the connecting pipe body comprises an outer connecting pipe and an inner connecting pipe, the inner connecting pipe is welded in the outer connecting pipe, the inner connecting pipe is in threaded connection with the inner, the utility model provides high heat-proof pipe's heat-proof quality, long service life simultaneously conveniently changes, practices thrift the cost.
Description
Technical Field
The utility model relates to a geothermal heat insulation pipe belongs to heat insulation pipe technical field.
Background
The evaluation result of 11-month department of China and soil resources in 2014 shows that the total energy of shallow geothermal energy development and utilization is 4.67 hundred million tons of standard coal. The efficiency of development and utilization of shallow geothermal energy is calculated by 35%, and 1.63 hundred million tons of standard coal can be saved. In 2016, in the eighth forum of energy enterprises, 3000 geothermal wells are developed in thirteen five countries by medium petrochemical industry for building heating and geothermal power generation. Geothermal resource development is an important component of the green low-carbon strategy in China, but due to the restrictions of low economic limit of geothermal development, extensive well body structure and development mode of geothermal wells and the like, the geothermal well has high heat loss in the extraction process, and geothermal energy cannot be fully utilized. Geothermal energy is a clean renewable energy with great potential, and plays an important role in accelerating the adjustment of energy structures in China. The full utilization of geothermal energy can be significant for adjusting energy structure, saving energy, reducing emission and improving environment in China.
According to the adjustment of energy structures in the countries in recent years, the development and utilization of geothermal wells are gradually increased, the heat-insulating pipe special for geothermal exploitation not only improves the development effect of thermal exploitation, but also saves energy, no manufacturers are engaged in the development of the heat-insulating pipe special for geothermal exploitation at home and abroad at present, a small amount of heat-insulating pipes adopting heat-insulating coating oil pipes have poor heat-insulating property and short service life.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to overcome the existing defects, and provide a geothermal heat insulation pipe, the utility model insulates heat of the inner heat insulation pipe through the first heat insulation layer, the second heat insulation layer insulates heat of the outer heat insulation pipe, reduce the heat loss of the inner heat insulation pipe and the outer heat insulation pipe, and improve the heat insulation performance of the inner heat insulation pipe and the outer heat insulation pipe, four first connecting pieces prevent the first heat insulation layer from loosening, thereby avoiding influencing the heat insulation performance, the third heat insulation layer insulates heat of the inner connecting pipe, the fourth heat insulation layer insulates heat of the outer connecting pipe, thereby reducing the heat loss of the inner connecting pipe and the outer connecting pipe, improving the heat insulation performance of the inner connecting pipe and the outer connecting pipe, four second connecting pieces prevent the third heat insulation layer from loosening, thereby avoiding influencing the heat insulation performance, the sealing ring seals the outer connecting pipe and the outer heat insulation pipe at, the convenient interior heat insulating pipe and the interior takeover of will dividing is connected, outer connecting pipe and outer heat insulating pipe spiro union, the convenience is connected outer heat insulating pipe and outer connecting pipe, compare in traditional welded connected mode, long service life, it has the space to cause the heat loss to prevent that the weld from having, also conveniently change interior heat insulating pipe and outer heat insulating pipe simultaneously, the cost is saved, first insulating layer, the second insulating layer, third insulating layer and fourth insulating layer intussuseption are filled with the aluminium silicate fibre, the aluminium silicate fibre heat-proof quality is good, the thermal expansion that is heated is little, prevent to be heated excessive inflation, avoid influencing the heat-proof quality of interior heat insulating pipe, outer heat insulating pipe, the heat-proof quality of interior takeover and outer connecting pipe, can effectively solve the.
In order to solve the technical problem, the utility model provides a following technical scheme:
a geothermal heat insulation pipe comprises a heat insulation pipe body and a connecting pipe body, wherein the end part of the heat insulation pipe body is in threaded connection with the connecting pipe body, the heat insulation pipe body comprises an outer heat insulation pipe and an inner heat insulation pipe, the inner heat insulation pipe is welded inside the outer heat insulation pipe, a first accommodating cavity is formed between the inner heat insulation pipe and the outer heat insulation pipe, a first heat insulation layer and four first connecting pieces are arranged in the first accommodating cavity, the first heat insulation layer is fixedly connected with the outer wall of the inner heat insulation pipe, the two ends of the four first connecting pieces are respectively fixedly connected with the inner walls of the first heat insulation layer and the outer heat insulation pipe, the four first connecting pieces form an included angle of 90 degrees between every two of the four first connecting pieces, the outer wall of the outer heat insulation pipe is fixedly connected with a second heat insulation layer, the connecting pipe body comprises an outer connecting pipe and an inner connecting pipe, the inner connecting pipe is welded inside the, the outer connecting pipe is in threaded connection with the outer heat insulation pipe.
Further, form the second between internal connection is taken over and the outer connecting pipe and hold the chamber, the second holds and is equipped with third insulating layer and four second connecting pieces in, the outer wall fixed connection of third insulating layer and internal connection is taken over, four the both ends of second connecting piece respectively with the inner wall fixed connection of third insulating layer and outer connecting pipe to four second connecting pieces are 90 contained angles between two liang, the outer wall fixedly connected with fourth insulating layer of outer connecting pipe, outer insulating pipe is close to and is equipped with the sealing ring on the outer wall of outer connecting pipe to the sealing ring is contradicted with the outer connecting pipe.
Further, the first heat insulation layer, the second heat insulation layer, the third heat insulation layer and the fourth heat insulation layer are filled with aluminum silicate fibers.
Further, the first accommodating cavity and the second accommodating cavity are both vacuumized.
Furthermore, the second heat insulation layer is fixedly connected with an anti-slip sleeve, and anti-slip lines are arranged on the anti-slip sleeve.
The utility model discloses beneficial effect: the utility model discloses a first insulating layer insulates against heat to the internal heat insulating tube, the second insulating layer insulates against heat to the external heat insulating tube, reduce the calorific loss of internal heat insulating tube and external heat insulating tube, improve the heat-proof quality of internal heat insulating tube and external heat insulating tube, four first connecting pieces prevent that the first insulating layer from becoming flexible, avoid influencing the heat-proof quality, the third insulating layer insulates against heat to the internal connecting tube, the fourth insulating layer insulates against heat to the external connecting tube, reduce the calorific loss of internal connecting tube and external connecting tube, improve the heat-proof quality of internal connecting tube and external connecting tube, four second connecting pieces prevent that the third insulating layer from becoming flexible, avoid influencing the heat-proof quality, the sealing ring seals the external connecting tube and external heat insulating tube spiro union department, prevent the heat loss, the internal connecting tube and internal heat insulating tube spiro union, conveniently connect the internal heat insulating tube with the internal connecting tube, the external connecting tube and external heat, compared with the traditional welding connection mode, the heat insulation pipe has the advantages that the service life is long, the welding seam is prevented from having gaps to cause heat loss, meanwhile, the inner heat insulation pipe and the outer heat insulation pipe are convenient to replace, the cost is saved, the first heat insulation layer, the second heat insulation layer, the third heat insulation layer and the fourth heat insulation layer are filled with aluminum silicate fibers, the aluminum silicate fibers are good in heat insulation performance and small in thermal expansion, excessive thermal expansion is prevented, and the heat insulation performance of the inner heat insulation pipe, the outer heat insulation pipe, the inner connection pipe and the outer connection pipe is prevented from being affected.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the present invention.
Fig. 3 is a schematic view of a partial three-dimensional structure of the present invention.
Reference numbers in the figures: 1. a heat insulation pipe body; 2. connecting the pipe body; 3. an outer insulating tube; 4. an inner heat insulation pipe; 5. a first accommodating chamber; 6. a first insulating layer; 7. a first connecting member; 8. a second thermal insulation layer; 9. an outer connecting pipe; 10. an internal connection pipe; 11. a second accommodating chamber; 12. a third thermal insulation layer; 13. a second connecting member; 14. a fourth thermal insulation layer; 15. a seal ring; 16. an anti-slip sleeve; 17. and (4) anti-skid lines.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
As shown in fig. 1-3, a geothermal heat insulation pipe comprises a heat insulation pipe body 1 and a connection pipe body 2, wherein an end of the heat insulation pipe body 1 is in threaded connection with the connection pipe body 2, the heat insulation pipe body 1 comprises an outer heat insulation pipe 3 and an inner heat insulation pipe 4, the inner heat insulation pipe 4 is welded inside the outer heat insulation pipe 3, a first accommodating cavity 5 is formed between the inner heat insulation pipe 4 and the outer heat insulation pipe 3, a first heat insulation layer 6 and four first connecting pieces 7 are arranged in the first accommodating cavity 5, the first heat insulation layer 6 is fixedly connected with an outer wall of the inner heat insulation pipe 4, two ends of the four first connecting pieces 7 are respectively fixedly connected with inner walls of the first heat insulation layer 6 and the outer heat insulation pipe 3, an included angle of 90 degrees is formed between every two of the four first connecting pieces 7, a second heat insulation layer 8 is fixedly connected with an outer wall of the outer heat insulation pipe 3, the connection pipe body 2 comprises an outer connection pipe 9 and an, the inner connecting pipe 10 is welded inside the outer connecting pipe 9, the inner connecting pipe 10 is in threaded connection with the inner heat insulation pipe 4, the outer connecting pipe 9 is in threaded connection with the outer heat insulation pipe 3, the inner heat insulation pipe 4 is subjected to heat insulation through the first heat insulation layer 6, the outer heat insulation pipe 3 is subjected to heat insulation through the second heat insulation layer 8, the heat loss of the inner heat insulation pipe 4 and the outer heat insulation pipe 3 is reduced, the heat insulation performance of the inner heat insulation pipe 4 and the heat insulation performance of the outer heat insulation pipe 3 are improved, the four first connecting pieces 7 prevent the first heat insulation layer 6 from loosening, influence on the heat insulation performance is avoided, the inner connecting pipe 10 is in threaded connection with the inner heat insulation pipe 4, the inner heat insulation pipe 4 is conveniently connected with the inner connecting pipe 10, the outer connecting pipe 9 is in threaded connection with the outer heat insulation pipe 3, the outer heat insulation pipe 3 is conveniently connected with the outer connecting pipe 9, compared with the traditional welding connection mode, the service life, and the cost is saved.
A second accommodating cavity 11 is formed between the inner connecting pipe 10 and the outer connecting pipe 9, a third heat insulation layer 12 and four second connecting pieces 13 are arranged in the second accommodating cavity, the third heat insulation layer 12 is fixedly connected with the outer wall of the inner connecting pipe 10, two ends of the four second connecting pieces 13 are respectively fixedly connected with the inner walls of the third heat insulation layer 12 and the outer connecting pipe 9, an included angle of 90 degrees is formed between every two of the four second connecting pieces 13, a fourth heat insulation layer 14 is fixedly connected with the outer wall of the outer connecting pipe 9, a sealing ring 15 is arranged on the outer wall of the outer heat insulation pipe 3 close to the outer connecting pipe 9, the sealing ring 15 is abutted against the outer connecting pipe 9, the inner connecting pipe 10 is heat-insulated through the third heat insulation layer 12, the fourth heat insulation layer 14 is heat-insulated from the outer connecting pipe 9, the heat loss of the inner connecting pipe 10 and the outer connecting pipe, four second connecting pieces 13 prevent that third insulating layer 12 is not hard up, avoid influencing the heat-proof quality, and sealing ring 15 seals outer connecting pipe 9 and outer insulating tube 3 spiro union department, prevents that the heat from running off.
The first heat insulation layer 6, the second heat insulation layer 8, the third heat insulation layer 12 and the fourth heat insulation layer 14 are filled with aluminum silicate fibers, the aluminum silicate fibers are good in heat insulation performance and small in thermal expansion, excessive thermal expansion is prevented, and the heat insulation performance of the inner heat insulation pipe 4, the outer heat insulation pipe 3, the inner connecting pipe 10 and the outer connecting pipe 9 is prevented from being affected.
The first chamber 5 and the second chamber 11 are all vacuumized, and the first chamber 5 and the second chamber 11 are vacuumized to achieve the purpose of heat insulation by blocking convection.
Fixedly connected with antiskid cover 16 on the second insulating layer 8, be equipped with anti-skidding line 17 on the antiskid cover 16, rotate antiskid cover 16 through the finger, with outer connecting pipe 9 and the separation of in-connection pipe 10, outer insulating tube 3 separates with interior insulating tube 4, conveniently changes internal insulating tube 4 and outer insulating tube 3, and anti-skidding line 17 has increased the frictional force of finger with antiskid cover 16, prevents that finger and antiskid cover 16 from taking place the phenomenon of skidding.
The utility model discloses the theory of operation: the utility model discloses a first insulating layer 6 insulates against heat to interior heat insulating tube 4, second insulating layer 8 insulates against heat to exterior heat insulating tube 3, reduce the calorific loss of interior heat insulating tube 4 and exterior heat insulating tube 3, improve the heat-proof quality of interior heat insulating tube 4 and exterior heat insulating tube 3, four first connecting pieces 7 prevent that first insulating layer 6 from becoming flexible, avoid influencing the heat-proof quality, third insulating layer 12 insulates against heat to interior connecting pipe 10, fourth insulating layer 14 insulates against heat to exterior connecting pipe 9, reduce the calorific loss of interior connecting pipe 10 and exterior connecting pipe 9, improve the heat-proof quality of interior connecting pipe 10 and exterior connecting pipe 9, four second connecting pieces 13 prevent that third insulating layer 12 from becoming flexible, avoid influencing the heat-proof quality, sealing ring 15 seals the spiro union department of exterior connecting pipe 9 and exterior heat insulating tube 3, prevent the heat loss, interior connecting pipe 10 and the spiro union of interior heat insulating tube 4, conveniently connect interior heat insulating pipe 4 and interior connecting pipe 10, outer connecting pipe 9 and 3 spiro unions of outer insulating tube, conveniently be connected outer insulating tube 3 and outer connecting pipe 9, compare in traditional welded connected mode, long service life, it has the space to cause the heat to run off to prevent that the weld from having, also conveniently change inner insulating tube 4 and outer insulating tube 3 simultaneously, the cost is saved, first insulating layer 6, second insulating layer 8, third insulating layer 12 and fourth insulating layer 14 are filled with the aluminium silicate fibre, the aluminium silicate fibre heat-proof quality is good, the thermal expansion is little, prevent the excessive inflation of being heated, avoid influencing the heat-proof quality of inner insulating tube 4, outer insulating tube 3, the heat-proof quality of inner connecting pipe 10 and outer connecting pipe 9.
The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.
Claims (5)
1. The utility model provides a geothermal heat insulating tube, includes insulating tube body (1) and connecting tube body (2), its characterized in that: the end part of the heat insulation pipe body (1) is in threaded connection with the connecting pipe body (2), the heat insulation pipe body (1) comprises an outer heat insulation pipe (3) and an inner heat insulation pipe (4), the inner heat insulation pipe (4) is welded inside the outer heat insulation pipe (3), a first accommodating cavity (5) is formed between the inner heat insulation pipe (4) and the outer heat insulation pipe (3), a first heat insulation layer (6) and four first connecting pieces (7) are arranged in the first accommodating cavity (5), the first heat insulation layer (6) is fixedly connected with the outer wall of the inner heat insulation pipe (4), two ends of the four first connecting pieces (7) are fixedly connected with the inner walls of the first heat insulation layer (6) and the outer heat insulation pipe (3) respectively, 90-degree included angles are formed between every two of the four first connecting pieces (7), a second heat insulation layer (8) is fixedly connected with the outer wall of the outer heat insulation pipe (3), and the connecting pipe body (2) comprises an outer connecting pipe (9) and an inner connecting pipe (10), the inner connecting pipe (10) is welded inside the outer connecting pipe (9), the inner connecting pipe (10) is in threaded connection with the inner heat insulation pipe (4), and the outer connecting pipe (9) is in threaded connection with the outer heat insulation pipe (3).
2. A geothermal heat insulating pipe according to claim 1, wherein: form the second between in-connection pipe (10) and outer connecting pipe (9) and hold chamber (11), the second holds and is equipped with third insulating layer (12) and four second connecting piece (13), the outer wall fixed connection of third insulating layer (12) and in-connection pipe (10), four the both ends of second connecting piece (13) respectively with the inner wall fixed connection of third insulating layer (12) and outer connecting pipe (9) to four second connecting piece (13) are 90 contained angles between two liang, the outer wall fixedly connected with fourth insulating layer (14) of outer connecting pipe (9), be equipped with sealing ring (15) on outer wall that outer insulating tube (3) are close to outer connecting pipe (9) to sealing ring (15) contradict with outer connecting pipe (9).
3. A geothermal heat insulating pipe according to claim 2, wherein: and the first heat insulation layer (6), the second heat insulation layer (8), the third heat insulation layer (12) and the fourth heat insulation layer (14) are filled with aluminum silicate fibers.
4. A geothermal heat insulating pipe according to claim 2, wherein: the first containing cavity (5) and the second containing cavity (11) are both vacuumized.
5. A geothermal heat insulating pipe according to claim 1, wherein: the anti-skidding heat insulation structure is characterized in that an anti-skidding sleeve (16) is fixedly connected onto the second heat insulation layer (8), and anti-skidding threads (17) are arranged on the anti-skidding sleeve (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920785664.1U CN210034788U (en) | 2019-05-29 | 2019-05-29 | Geothermal heat insulation pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920785664.1U CN210034788U (en) | 2019-05-29 | 2019-05-29 | Geothermal heat insulation pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210034788U true CN210034788U (en) | 2020-02-07 |
Family
ID=69344976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920785664.1U Active CN210034788U (en) | 2019-05-29 | 2019-05-29 | Geothermal heat insulation pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210034788U (en) |
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2019
- 2019-05-29 CN CN201920785664.1U patent/CN210034788U/en active Active
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