Heating wire sand-coated pipe convenient to install

Abstract

The utility model relates to the technical field of sand wrapping pipelines, and discloses a heating wire sand wrapping pipe convenient to install, which comprises a sand wrapping pipe main body, a convenient installation mechanism is arranged on the sand wrapping pipe main body, a convenient dredging mechanism is arranged in the middle of the sand wrapping pipe main body, and the convenient installation mechanism comprises a fixed limiting block and a movable cover body. A through hole is formed in the top of the sand wrapping pipe body, and the fixed limiting block is fixedly installed at the top of the sand wrapping pipe body. Through the arrangement of the through hole, a user can insert the insertion column into the through hole, the whole protection steel pipe is located in the inner cavity of the sand wrapping pipe body, meanwhile, the movable cover body is movably limited through the fixed limiting block, and then the rotary limiting block can be rotated to the top of the movable cover body; by means of the design, a user can carry out targeted installation treatment on the protection steel pipe on the sand-coated pipe body, cost is reduced, and meanwhile the installation efficiency of the user is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sand-coated pipes, and in particular to a heating wire sand-coated pipe which is easy to install. Background Art

[0002] A pipeline is a device connected by pipes, pipe connectors and valves for transporting gas, liquid or fluid with solid particles. Sand-coated pipe refers to a pipe with a protective sand layer on the outer wall, which can improve the thermal insulation performance and strength of the pipe. Currently, water supply pipes are mostly protected by sand coating.

[0003] When the water supply pipe is used in a low temperature environment, in order to avoid the problem of water inside the pipe being frozen, a heating wire needs to be installed inside the water supply pipe to heat the water. During the laying of the water supply pipe, the environment in which the pipe is located is different. Some parts are easily frozen, while other parts are not easily frozen. In order to save costs, users need to install heating wires in pipes that are easily frozen. The existing structure cannot facilitate users to carry out targeted installation of the heating wires, and needs to be improved. Utility Model Content

[0004] The utility model aims to provide a heating wire sand-coated tube which is easy to install, so as to solve the problem in the prior art that it is not convenient for users to carry out targeted installation of the heating wire.

[0005] The utility model provides the following technical solution: a heating wire sand-coated tube that is easy to install, comprising a sand-coated tube body, a convenient installation mechanism is arranged on the sand-coated tube body, and a convenient dredging mechanism is arranged in the middle of the sand-coated tube body.

[0006] The convenient installation mechanism includes a fixed limit block and a movable cover body, a through hole is opened on the top of the sand-packing tube body, the fixed limit block is fixedly installed on the top of the sand-packing tube body, the top of the fixed limit block is rotatably connected with a rotating limit block, the bottom of the rotating limit block is movably connected to the top of the movable cover body, the outer wall of the movable cover body is movably connected to the outer wall of the fixed limit block, the bottom of the movable cover body is fixedly connected with a rubber ring, the bottom of the rubber ring is movably connected to the top of the sand-packing tube body, the bottom of the movable cover body is fixedly connected with a plug-in column, the outer wall of the plug-in column is fixedly connected with a rubber ring, the outer wall of the rubber ring is movably connected to the inner wall of the through hole, and the cooperation of the through hole, the rotating limit block and the fixed limit block is convenient for users to install the movable cover body.

[0007] As a preferred embodiment of the above technical solution, the bottom of the plug-in column is detachably connected with a movable seat, the bottom of the movable seat is fixedly installed with a protective steel pipe, the inner wall of the protective steel pipe is fixedly installed with an inner support plate, the inner wall of the inner support plate is fixedly installed with a heating wire body, and the protective steel pipe can transfer the heat of the heating wire body to the water body.

[0008] As a preferred embodiment of the above technical solution, a heat exchange fin is fixedly sleeved on the outer wall of the protective steel pipe, and the top and bottom of the heat exchange fin are fixedly connected with a heat exchange protrusion. The heat exchange rate between the heating wire body and the water body is improved through the design of the heat exchange fin and the heat exchange protrusion.

[0009] As a preferred embodiment of the above technical solution, the convenient dredging mechanism includes a manual gate valve, and the number of the manual gate valves is set to two. The two manual gate valves are respectively fixedly connected to the two middle disconnections of the sand-packing pipe body. Closing the manual gate valve can reduce the waste of water and the interference with the replacement work during the replacement of the dredging filter bin.

[0010] As a preferred embodiment of the above technical solution, a center pipe is detachably connected between adjacent sides of the two manual gate valves, and a dredging filter bin is fixedly connected to the middle of the center pipe. The connection relationship design between the manual gate valve and the center pipe facilitates the user to replace the dredging filter bin.

[0011] As a preferred embodiment of the above technical solution, a turning baffle is fixedly installed on the inner wall of the dredging filter bin, and a conical filter cover is fixedly connected to the bottom of the turning baffle, and the conical filter cover is used to filter the water body.

[0012] As a preferred embodiment of the above technical solution, the bottom of the conical filter cover is fixedly connected with an extension tube, the bottom of the extension tube extends to the bottom of the dredging filter bin, and the bottom of the extension tube is threadedly connected with a threaded cover, and the threaded cover is rotated out from the bottom of the extension tube, so that the conical filter cover can be impact-cleaned by water flow.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] Through the opening of the through hole, the utility model allows the user to plug the plug-in column into the interior thereof, and allows the protective steel pipe to be located as a whole in the inner cavity of the sand-wrapped pipe body. At the same time, the movable cover body is movably limited by the fixed limit block, and then the limit block can be rotated to the top of the movable cover body to complete the fixing of the movable cover body and the protective steel pipe. According to this design, the user can carry out targeted installation of the protective steel pipe on the sand-wrapped pipe body, thereby reducing costs, increasing the user's installation efficiency, and improving the practicality of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 This is a structural diagram of the convenient installation mechanism of the utility model;

[0017] Figure 3 This is a schematic diagram of the bottom structure of the movable cover of the utility model;

[0018] Figure 4 It is a partial structural schematic diagram of the protective steel pipe of the utility model;

[0019] Figure 5 It is a schematic diagram of the internal structure of the silt removal filter bin of the utility model.

[0020] In the figure: 1. Sand-wrapped tube body; 2. Convenient installation mechanism; 21. Through hole; 22. Fixed limit block; 23. Rotary limit block; 24. Movable cover body; 25. Rubber ring; 26. Plug-in column; 27. Rubber ring; 28. Movable seat; 29. ​​Protective steel pipe; 291. Inner support plate; 292. Heating wire body; 293. Heat exchange fin; 294. Heat exchange protrusion; 3. Convenient dredging mechanism; 31. Manual gate valve; 32. Center pipe; 33. Dredging filter bin; 34. Turning partition; 35. Conical filter cover; 36. Extension pipe; 37. Threaded cover. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0022] like Figure 1-3 As shown, the utility model provides a technical solution: a heating wire sand-wrapped tube that is easy to install, comprising a sand-wrapped tube body 1, a convenient installation mechanism 2 is arranged on the sand-wrapped tube body 1, a convenient dredging mechanism 3 is arranged in the middle of the sand-wrapped tube body 1, the convenient installation mechanism 2 comprises a fixed limit block 22 and a movable cover 24, a through hole 21 is opened on the top of the sand-wrapped tube body 1, the fixed limit block 22 is fixedly installed on the top of the sand-wrapped tube body 1, the top of the fixed limit block 22 is rotatably connected with a rotating limit block 23, the bottom of the rotating limit block 23 is movably connected to the top of the movable cover 24, the outer wall of the movable cover 24 is movably connected to the outer wall of the fixed limit block 22, the bottom of the movable cover 24 is fixedly connected with a rubber ring 25, the bottom of the rubber ring 25 is movably connected to the top of the sand-wrapped tube body 1, and the movable cover 24 The bottom of the movable cover 24 is fixedly connected with a plug-in column 26, and the outer wall of the plug-in column 26 is fixedly connected with a rubber ring 27. The outer wall of the rubber ring 27 is movably connected to the inner wall of the through hole 21. The overall structure of the movable cover 24 is set to two types, one of which is connected to a movable seat 28 and a protective steel pipe 29 at the bottom of the movable cover 24, which can be used to heat the water body, and the other is not connected to the bottom of the movable seat 28 and the protective steel pipe 29, which is only used to seal the through hole 21. During installation, the plug-in column 26 is plugged into the inside of the through hole 21, and the protective steel pipe 29 is located as a whole in the inner cavity of the sand-wrapped pipe body 1. At the same time, the movable cover 24 is movably limited by the fixed limit block 22, and then the rotating limit block 23 is rotated to the top of the movable cover 24, that is, the fixing of the movable cover 24 is completed.

[0023] As an implementation method in this embodiment, Figure 4 As shown, the bottom of the plug-in column 26 is detachably connected to a movable seat 28, and a protective steel pipe 29 is fixedly installed on the bottom of the movable seat 28. An inner support plate 291 is fixedly installed on the inner wall of the protective steel pipe 29, and a heating wire body 292 is fixedly installed on the inner wall of the inner support plate 291. A heat exchange wing 293 is fixedly sleeved on the outer wall of the protective steel pipe 29, and the top and bottom of the heat exchange wing 293 are fixedly connected with a heat exchange protrusion 294. Through the design of the inner support plate 291, the support processing of the heating wire body 292 can be completed. The heat generated by the heating wire body 292 during operation will be quickly transferred to the inside of the water body through the cooperation of the protective steel pipe 29, the heat exchange wing 293 and the heat exchange protrusion 294, so as to heat the water body and avoid the problem of water body freezing inside the sand-wrapped pipe body 1 affecting its patency.

[0024] As an implementation method in this embodiment, Figure 1 , Figure 5 As shown, the convenient silt removal mechanism 3 includes a manual gate valve 31, the number of which is set to two, the two manual gate valves 31 are respectively fixedly connected to the two middle disconnections of the sand-packing pipe body 1, a middle pipe 32 is detachably connected between the adjacent sides of the two manual gate valves 31, a silt removal filter bin 33 is fixedly connected to the middle of the middle pipe 32, a turning baffle 34 is fixedly installed on the inner wall of the silt removal filter bin 33, a conical filter cover 35 is fixedly connected to the bottom of the turning baffle 34, and an extension pipe 36 is fixedly connected to the bottom of the conical filter cover 35 The bottom of the extension tube 36 extends to the bottom of the dredging filter bin 33. The bottom of the extension tube 36 is threadedly connected with a threaded cover 37. Through the design of the conical filter cover 35, the water body can be filtered to remove impurities inside the water body. The threaded cover 37 is rotated out from the bottom of the extension tube 36, and the inside of the conical filter cover 35 can be cleaned through the impact of the water body. The manual gate valve 31 and the center pipe 32 are connected by bolts. After closing the manual gate valve 31, the user can disassemble and replace the dredging filter bin 33 and the center pipe 32 as a whole.

[0025] Working principle: connect the sand-wrapped pipe body 1 to the inside of the pipeline, and then the water body can be transported and processed through the sand-wrapped pipe body 1. During installation, plug the plug-in column 26 into the through hole 21, and make the protective steel pipe 29 as a whole located in the inner cavity of the sand-wrapped pipe body 1. At the same time, the movable cover body 24 is limited by the fixed limit block 22, and then the rotating limit block 23 is rotated to the top of the movable cover body 24, thus completing the fixing of the movable cover body 24. When installing the movable cover body 24 in an environment where the pipeline is not easily frozen, select the movable cover body 24 without the movable seat 28 and the protective steel pipe 29.

[0026] The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it.

Claims

1. A heating wire sand-coated tube that is easy to install, comprising a sand-coated tube body (1), characterized in that: A convenient installation mechanism (2) is provided on the sand-wrapped pipe body (1), and a convenient silt removal mechanism (3) is provided in the middle of the sand-wrapped pipe body (1); The convenient installation mechanism (2) comprises a fixed limit block (22) and a movable cover (24); a through hole (21) is provided at the top of the sand-wrapped tube body (1); the fixed limit block (22) is fixedly installed at the top of the sand-wrapped tube body (1); the top of the fixed limit block (22) is rotatably connected with a rotating limit block (23); the bottom of the rotating limit block (23) is movably connected to the top of the movable cover (24); the outer wall of the movable cover (24) is movably connected to the outer wall of the fixed limit block (22); the bottom of the movable cover (24) is fixedly connected with a rubber ring (25); the bottom of the rubber ring (25) is movably connected to the top of the sand-wrapped tube body (1); the bottom of the movable cover (24) is fixedly connected with a plug-in column (26); the outer wall of the plug-in column (26) is fixedly connected with a rubber ring (27); the outer wall of the rubber ring (27) is movably connected to the inner wall of the through hole (21).

2. The heating wire-coated sand tube that is easy to install according to claim 1, characterized in that: The bottom of the plug-in column (26) is detachably connected to a movable seat (28), a protective steel pipe (29) is fixedly installed on the bottom of the movable seat (28), an inner support plate (291) is fixedly installed on the inner wall of the protective steel pipe (29), and a heating wire body (292) is fixedly installed on the inner wall of the inner support plate (291).

3. The heating wire-coated sand tube that is easy to install according to claim 2, characterized in that: A heat exchange fin (293) is fixedly sleeved on the outer wall of the protective steel pipe (29), and a heat exchange protrusion (294) is fixedly connected to the top and bottom of the heat exchange fin (293).

4. The heating wire-coated sand tube that is easy to install according to claim 1, characterized in that: The convenient silt removal mechanism (3) comprises a manual gate valve (31), the number of the manual gate valves (31) is set to two, and the two manual gate valves (31) are respectively fixedly connected to two middle disconnection points of the sand-packed pipe body (1).

5. The heating wire-coated sand tube that is easy to install according to claim 4, characterized in that: A center pipe (32) is detachably connected between adjacent sides of the two manual gate valves (31), and a silt removal filter bin (33) is fixedly connected to the middle of the center pipe (32).

6. The heating wire-coated sand tube that is easy to install according to claim 5, characterized in that: A turning baffle (34) is fixedly mounted on the inner wall of the desilting filter bin (33), and a conical filter cover (35) is fixedly connected to the bottom of the turning baffle (34).

7. The heating wire-coated sand tube that is easy to install according to claim 6, characterized in that: An extension pipe (36) is fixedly connected to the bottom of the conical filter cover (35), the bottom of the extension pipe (36) extends to the bottom of the silt removal filter bin (33), and a threaded cover (37) is threadedly connected to the bottom of the extension pipe (36).

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