CN210266289U - Pollution-free anticorrosive prefabricated direct-buried insulating pipe - Google Patents
Pollution-free anticorrosive prefabricated direct-buried insulating pipe Download PDFInfo
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- CN210266289U CN210266289U CN201921162680.1U CN201921162680U CN210266289U CN 210266289 U CN210266289 U CN 210266289U CN 201921162680 U CN201921162680 U CN 201921162680U CN 210266289 U CN210266289 U CN 210266289U
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Abstract
The utility model discloses a pollution-free anticorrosive prefabricated direct-buried heat preservation pipe, in particular to the field of heat preservation pipes, which comprises a heat preservation pipe, wherein the heat preservation pipe comprises a plurality of segmented heat preservation pipe bodies; the segmented heat preservation pipe body comprises a steel pipe, a protective sleeve is sleeved on the outer side of the steel pipe, a heat preservation layer is arranged on the inner side of the protective sleeve, first threads are arranged on the outer side of one end of the steel pipe, second threads are arranged on the inner side of the other end of the steel pipe, the first threads are meshed with the second threads, and a first fixing ring is sleeved on the outer side of one end of the steel pipe. The utility model discloses an pour into brazing filler metal into in the inner chamber that first sleeve pipe and second sleeve pipe cooperation formed to accomplish seamless connection between first sleeve pipe and the second sleeve pipe, make the corrosive solution in the soil can't and the kneck contact between two steel pipes completely, thereby promoted anticorrosive effect greatly, and fixed effect is very good between two steel pipes, difficult disconnection.
Description
Technical Field
The utility model relates to a thermal insulation pipe technical field, more specifically say, the utility model relates to a non-pollution anticorrosive prefabricated direct-burried thermal insulation pipe.
Background
The heat-insulating pipe is a short name of a heat-insulating pipeline, is used for conveying liquid, gas and other media, and is used for heat insulation engineering heat insulation of pipelines of petroleum, chemical engineering, aerospace, hot springs, military, central heating, central air conditioning, municipal administration and the like.
The development and application of the heat preservation pipe are more and more generally regarded by countries all over the world, after the 70 th century, the production and application of the heat preservation pipe are generally regarded by foreign countries, the energy consumption is greatly reduced, the environmental pollution and the greenhouse effect are reduced, the foreign heat preservation industry has a very long history, and novel heat preservation materials are continuously emerging, the development of the heat preservation pipe in China is very slow before 1980, a small number of heat preservation plants can only produce a small number of underground directly-buried heat preservation pipes, but the Chinese heat preservation industry is tried for more than 30 years, particularly the high-speed development of nearly 10 years is carried out, a few products are developed from scratch, the quality is changed from single to diversified, the prefabricated directly-buried heat preservation pipe is mainly used for regional heat supply external network pipelines, the using amount of the prefabricated directly-buried heat preservation pipe is increased along with the popularization of national centralized heat supply, the application range is wider and wider.
The prefabricated direct-buried heat-insulating pipe in the prior art has more defects, if the heat-insulating pipe pipeline consists of a plurality of segmented heat-insulating pipes, the connection and fixation effect among the plurality of heat-insulating pipes is poor, the heat-insulating pipes are easy to break and leak, and corrosive solution in the land is easy to permeate through a connector and is in contact with an inner steel pipe to corrode the heat-insulating pipes.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above defects of the prior art, the embodiment of the utility model provides a non-pollution anti-corrosion prefabricated direct-buried thermal insulation pipe, the first sleeve on the first fixing ring is inserted into the second sleeve on the second fixing ring, and solder is injected into the inner cavity formed by the matching of the first sleeve and the second sleeve, thereby completing the seamless connection between the first sleeve and the second sleeve, and further enabling the seamless connection between the two steel pipes, so that the corrosive solution in the land can not be contacted with the interface between the two steel pipes completely, thereby greatly improving the anti-corrosion effect, and the two steel pipes are connected by the first thread and the second thread meshing first, and then are connected and fixed by the matching of the first sleeve and the second sleeve with solder, thereby the fixing effect between the two steel pipes is very good, the pipe is not easy to be broken, and the service life of the utility model is greatly prolonged, to solve the problems set forth in the background art described above.
In order to achieve the above object, the utility model provides a following technical scheme: a non-pollution anti-corrosion prefabricated direct-buried heat preservation pipe comprises a heat preservation pipe, wherein the heat preservation pipe comprises a plurality of segmented heat preservation pipe bodies;
the segmentation insulating tube body includes the steel pipe, the steel pipe outside is cup jointed and is equipped with the protective sheath, the protective sheath inboard is equipped with the heat preservation, the steel pipe one end outside is equipped with first screw thread, steel pipe other end inboard is equipped with the second screw thread, first screw thread meshes with the second screw thread mutually, the steel pipe one end outside is cup jointed and is equipped with first retainer plate, the fixed first sleeve pipe that is equipped with in first retainer plate one side, the fixed a plurality of dead levers that are equipped with in first sleeve pipe outside, the steel pipe is kept away from first retainer plate one end and is fixed and be equipped with the second retainer plate, the fixed second sleeve pipe that is equipped with in second retainer plate one side, a plurality of fixed rod grooves have been seted up to second sleeve pipe one side, second sleeve pipe top runs through and.
In a preferred embodiment, the outer sides of the first fixing ring and the second fixing ring are both provided with a sealing ring groove, the inner sides of two ends of the protective sleeve are both fixedly provided with a sealing ring, and the sealing ring grooves are matched with the sealing rings in size.
In a preferred embodiment, the outer sides of two ends of the protective sleeve are both provided with a ferrule groove, two ends of the protective sleeve are both sleeved with ferrules, and the ferrules are arranged inside the ferrule grooves.
In a preferred embodiment, the heat insulation layer is arranged on the outer side of the steel pipe, and the heat insulation layer is arranged between the steel pipe and the protective sleeve.
In a preferred embodiment, one end of the protective sleeve is sleeved on the first fixing ring.
In a preferred embodiment, the other end of the protective sleeve is sleeved on the second fixing ring.
In a preferred embodiment, the fixation rod groove is sized to match the fixation rod.
In a preferred embodiment, the solder inlet port is provided on the side of the exhaust port.
The utility model discloses a technological effect and advantage:
1. the first sleeve on the first fixing ring is inserted into the inner side of the second sleeve on the second fixing ring, and brazing filler metal is injected into an inner cavity formed by matching the first sleeve and the second sleeve, so that seamless connection between the first sleeve and the second sleeve is completed, seamless connection between two steel pipes is further realized, corrosive solution in the land can not be in contact with a joint between the two steel pipes completely, the anti-corrosion effect is greatly improved, the two steel pipes are connected through first threads and second threads in a meshed mode, and then the first sleeve and the second sleeve are matched with the brazing filler metal to be connected and fixed in an enhanced mode, so that the fixing effect between the two steel pipes is very good, the steel pipes are not easy to break, and the service life of the utility model is greatly prolonged;
2. through having seted up the seal ring groove in first retainer plate and second retainer plate outside, and set up the sealing washer in protective sheath both ends inboard, when making the protective sheath cup joint on first retainer plate and second retainer plate, the sealing washer can be gone into in the seal ring groove, thereby the area of contact in protective sheath and the first retainer plate and the second retainer plate outside has indirectly been increased, the leakproofness has been increased, cup joint the lasso through the protective sheath outside and further compress tightly the protective sheath, make the protective sheath paste tightly in the first retainer plate and the second retainer plate outside, the leakproofness has further been increased.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1 according to the present invention.
Fig. 3 is an enlarged view of a portion B of fig. 1 according to the present invention.
Fig. 4 is a side view of the first fixing ring of the present invention.
Fig. 5 is a schematic view of a second sleeve according to the present invention.
The reference signs are: 1 insulating tube, 2 segmentation insulating tube bodies, 3 steel pipes, 4 protective sheaths, 5 insulating layers, 6 first threads, 7 second threads, 8 first retainer rings, 9 first sleeves, 10 fixed rods, 11 second retainer rings, 12 second sleeves, 13 fixed rod grooves, 14 brazing filler metal inlets, 15 exhaust ports, 16 sealing ring grooves, 17 sealing rings, 18 sealing ring grooves and 19 ferrules.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The pollution-free anti-corrosion prefabricated direct-buried heat preservation pipe shown in the attached drawings 1-5 comprises a heat preservation pipe 1, wherein the heat preservation pipe 1 comprises a plurality of segmented heat preservation pipe bodies 2;
the segmented heat preservation pipe body 2 comprises a steel pipe 3, a protective sleeve 4 is sleeved on the outer side of the steel pipe 3, a heat preservation layer 5 is arranged on the inner side of the protective sleeve 4, a first thread 6 is arranged on the outer side of one end of the steel pipe 3, a second thread 7 is arranged on the inner side of the other end of the steel pipe 3, the first thread 6 is meshed with the second thread 7, a first fixing ring 8 is sleeved on the outer side of one end of the steel pipe 3, a first sleeve 9 is fixedly arranged on one side of the first fixing ring 8, a plurality of fixing rods 10 are fixedly arranged on the outer side of the first sleeve 9, a second fixing ring 11 is fixedly arranged on one end, far away from the first fixing ring 8, of the steel pipe 3, a second sleeve 12 is fixedly arranged on one side of the second fixing ring 11, a plurality of fixing rod grooves 13 are formed in one side of the second sleeve 12;
the heat-insulating layer 5 is arranged on the outer side of the steel pipe 3, and the heat-insulating layer 5 is arranged between the steel pipe 3 and the protective sleeve 4;
one end of the protective sleeve 4 is sleeved on the first fixed ring 8;
the other end of the protective sleeve 4 is sleeved on the second fixing ring 11;
the size of the fixed rod groove 13 is matched with that of the fixed rod 10;
the solder inlet 14 is provided on the side of the exhaust port 15.
The implementation mode is specifically as follows: the heat preservation pipe 1 is combined by a plurality of sectional heat preservation pipe bodies 2, one end of a steel pipe 3 on one sectional heat preservation pipe body 2 is meshed and spliced with the other end of a steel pipe 3 on the other sectional heat preservation pipe body 2 by a first thread 6 and a second thread 7, when the two steel pipes 3 are connected, one steel pipe 3 is rotated, the other steel pipe 3 is fixed, so that one end of one steel pipe 3 is inserted into the other end of the other steel pipe 3, a first fixing ring 8 and a second fixing ring 11 are close to each other, in the process, a first sleeve 9 is inserted into the inner side of a second sleeve 12, a fixing rod 10 can enter the inner side of the second sleeve 12 through a fixing rod groove 13 arranged on the second sleeve 12, when the two steel pipes 3 are connected and screwed, one side of the first fixing ring 8 is clung to one side of the second sleeve 12, and then melted brazing filler metal is injected into the inner side of the second sleeve 12 through a brazing filler metal, in the process of injecting the brazing filler metal, air is discharged through the air outlet 15, then the brazing filler metal is cooled and shaped, so that the first sleeve 9 and the fixing rod 10 are fixed on the inner side of the second sleeve 12, the first sleeve 9 and the second sleeve 12 are connected in a seamless mode, the first fixing ring 8 and the second fixing ring 11 are fixedly connected, the protective sleeve 4 is sleeved on the first fixing ring 8 and the second fixing ring 11, water and air cannot break through the protective sleeve 4 and the heat preservation layer 5 to be in contact with the steel pipes 3, the first sleeve 9 on the first fixing ring 8 is inserted into the inner side of the second sleeve 12 on the second fixing ring 11, the brazing filler metal is injected into an inner cavity formed by matching the first sleeve 9 and the second sleeve 12, the seamless connection between the first sleeve 9 and the second sleeve 12 is completed, the seamless connection between the two steel pipes 3 is further realized, corrosive solution in the land cannot be in contact with the connector between the two steel pipes 3 completely, thereby promoted anticorrosive effect greatly, and earlier connected through first screw thread 6 and the meshing of second screw thread 7 between two steel pipes 3, it is fixed that the back cooperates the brazing filler metal enhancement through first sleeve pipe 9 and second sleeve pipe 12 to make the fixed effect between two steel pipes 3 very good, difficult disconnection has promoted greatly the utility model discloses a life.
The pollution-free anticorrosive prefabricated direct-buried heat preservation pipe shown in the attached drawings 1-3 further comprises a sealing ring groove 16, wherein the sealing ring groove 16 is formed in the outer sides of the first fixing ring 8 and the second fixing ring 11, sealing rings 17 are fixedly arranged on the inner sides of two ends of the protective sleeve 4, and the sealing ring groove 16 is matched with the sealing rings 17 in size;
the outer sides of two ends of the protective sleeve 4 are respectively provided with a ferrule groove 18, two ends of the protective sleeve 4 are respectively provided with a ferrule 19 in a sleeved mode, and the ferrules 19 are arranged inside the ferrule grooves 18.
The implementation mode is specifically as follows: through having seted up seal ring groove 16 in first retainer plate 8 and the 11 outside of second retainer plate, and set up sealing washer 17 in 4 both ends inboards of protective sheath, when making protective sheath 4 cup joint on first retainer plate 8 and second retainer plate 11, sealing washer 17 can block in the seal ring groove 16, thereby indirectly increased the area of contact in protective sheath 4 and the first retainer plate 8 and the 11 outside of second retainer plate, the leakproofness has been increased, cup joint lasso 19 through the protective sheath 4 outside and further compress tightly protective sheath 4, make protective sheath 4 paste tightly in the first retainer plate 8 and the 11 outside of second retainer plate, the leakproofness has further been increased.
The utility model discloses the theory of operation:
referring to the attached drawings 1-5 of the specification, the first sleeve 9 on the first fixing ring 8 is inserted into the inner side of the second sleeve 12 on the second fixing ring 11, and brazing filler metal is injected into an inner cavity formed by matching the first sleeve 9 and the second sleeve 12, so that seamless connection between the first sleeve 9 and the second sleeve 12 is completed, and further seamless connection between two steel pipes 3 is realized, so that corrosive solution in the land can not be in contact with a joint between the two steel pipes 3 completely, the corrosion-resistant effect is greatly improved, the two steel pipes 3 are meshed and connected through the first threads 6 and the second threads 7 firstly, and then the first sleeve 9 and the second sleeve 12 are matched with the brazing filler metal to strengthen connection and fixation, so that the fixation effect between the two steel pipes 3 is very good, the two steel pipes are not easy to break, and the service life of the utility model is greatly prolonged;
referring to the attached drawings 1-3 in the specification, a seal ring groove 16 is formed in the outer sides of a first fixing ring 8 and a second fixing ring 11, seal rings 17 are arranged on the inner sides of two ends of a protective sleeve 4, when the protective sleeve 4 is sleeved on the first fixing ring 8 and the second fixing ring 11, the seal rings 17 can be clamped into the seal ring groove 16, so that the contact area between the protective sleeve 4 and the outer sides of the first fixing ring 8 and the second fixing ring 11 is indirectly increased, the sealing performance is increased, the protective sleeve 4 is further pressed by the sleeve ring 19 sleeved on the outer side of the protective sleeve 4, the protective sleeve 4 is tightly attached to the outer sides of the first fixing ring 8 and the second fixing ring 11, and the sealing performance is further increased.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a non-pollution's anticorrosive prefabricated direct-burried insulating tube which characterized in that: the heat-preservation pipe comprises a heat-preservation pipe (1), wherein the heat-preservation pipe (1) comprises a plurality of sectional heat-preservation pipe bodies (2);
the segmented heat preservation pipe body (2) comprises a steel pipe (3), a protective sleeve (4) is sleeved on the outer side of the steel pipe (3), a heat preservation layer (5) is arranged on the inner side of the protective sleeve (4), a first thread (6) is arranged on the outer side of one end of the steel pipe (3), a second thread (7) is arranged on the inner side of the other end of the steel pipe (3), the first thread (6) is meshed with the second thread (7), a first fixing ring (8) is sleeved on the outer side of one end of the steel pipe (3), a first sleeve (9) is fixedly arranged on one side of the first fixing ring (8), a plurality of fixing rods (10) are fixedly arranged on the outer side of the first sleeve (9), a second fixing ring (11) is fixedly arranged on one end, far away from the first fixing ring (8), of the steel pipe (3), a second sleeve (12) is fixedly arranged on one side of the second fixing ring (11), a plurality of fixing rod grooves (, and the top of the second sleeve (12) is provided with a brazing filler metal inlet (14) and an exhaust port (15) in a penetrating way.
2. The non-pollution anti-corrosion prefabricated direct-buried heat-insulation pipe as claimed in claim 1, which is characterized in that: seal ring groove (16) have all been seted up in first retainer plate (8) and second retainer plate (11) outside, protective sheath (4) both ends inboard is all fixed and is equipped with sealing washer (17), seal ring groove (16) and sealing washer (17) size phase-match.
3. The non-pollution anti-corrosion prefabricated direct-buried heat-insulation pipe as claimed in claim 1, which is characterized in that: the outer sides of two ends of the protective sleeve (4) are respectively provided with a ferrule groove (18), two ends of the protective sleeve (4) are respectively provided with a ferrule (19) in a sleeved mode, and the ferrules (19) are arranged inside the ferrule grooves (18).
4. The non-pollution anti-corrosion prefabricated direct-buried heat-insulation pipe as claimed in claim 1, which is characterized in that: the heat preservation layer (5) is arranged on the outer side of the steel pipe (3), and the heat preservation layer (5) is arranged between the steel pipe (3) and the protective sleeve (4).
5. The non-pollution anti-corrosion prefabricated direct-buried heat-insulation pipe as claimed in claim 1, which is characterized in that: one end of the protective sleeve (4) is sleeved on the first fixing ring (8).
6. The non-pollution anti-corrosion prefabricated direct-buried heat-insulation pipe as claimed in claim 1, which is characterized in that: the other end of the protective sleeve (4) is sleeved on the second fixing ring (11).
7. The non-pollution anti-corrosion prefabricated direct-buried heat-insulation pipe as claimed in claim 1, which is characterized in that: the size of the fixed rod groove (13) is matched with that of the fixed rod (10).
8. The non-pollution anti-corrosion prefabricated direct-buried heat-insulation pipe as claimed in claim 1, which is characterized in that: the brazing filler metal inlet (14) is arranged on one side of the exhaust port (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921162680.1U CN210266289U (en) | 2019-07-23 | 2019-07-23 | Pollution-free anticorrosive prefabricated direct-buried insulating pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921162680.1U CN210266289U (en) | 2019-07-23 | 2019-07-23 | Pollution-free anticorrosive prefabricated direct-buried insulating pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210266289U true CN210266289U (en) | 2020-04-07 |
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ID=70013968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921162680.1U Active CN210266289U (en) | 2019-07-23 | 2019-07-23 | Pollution-free anticorrosive prefabricated direct-buried insulating pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210266289U (en) |
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2019
- 2019-07-23 CN CN201921162680.1U patent/CN210266289U/en active Active
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