Environment-friendly prefabricated directly-buried spiral thermal insulation pipe

Abstract

The utility model provides an environment-friendly prefabricated directly-buried spiral heat preservation pipe, and relates to the field of spiral heat preservation pipes. The environment-friendly prefabricated directly-buried spiral heat preservation pipe comprises a spiral pipe, and a heat preservation assembly is fixedly arranged on the surface of the spiral pipe; a heat insulation mortar layer is fixedly arranged on the surface of the heat preservation assembly, and a heat absorption assembly is fixedly arranged on the surface of the heat insulation mortar layer. The heat preservation assembly comprises a rock wool layer fixedly arranged on the surface of the spiral pipe, and a glass fiber layer is fixedly arranged on the surface of the rock wool layer. Considering the problems that the heat preservation effect is limited and the spiral pipe is easy to freeze and crack in cold areas, the rock wool layer and the glass fiber layer preserve heat of the spiral pipe, the polyurethane layer further enhances the heat preservation performance, the black organic heat absorption coating absorbs external heat, external heat supply is not needed, the spiral pipe is more environment-friendly, the temperature of the spiral pipe is increased, and the service life of the spiral pipe is prolonged. The spiral pipe is prevented from being frozen and cracked in cold weather, and the service life is not affected.

Description

Technical Field

[0001] This application relates to the technical field of spiral insulation pipes, and particularly to an environment-friendly prefabricated directly buried spiral insulation pipe. Background Art

[0002] Spiral insulation pipes are used for the transportation of liquids, gases and other media, and are used in the adiabatic insulation projects of pipelines in petroleum, chemical industry, municipal engineering, etc.

[0003] For traditional prefabricated directly buried spiral insulation pipes, the insulation effect is limited. In addition, in cold regions, they are prone to freezing and cracking, which affects the service life. Summary of the Invention

[0004] This application provides an environment-friendly prefabricated directly buried spiral insulation pipe to solve the problems of limited insulation effect and easy freezing and cracking in cold regions.

[0005] This application provides an environment-friendly prefabricated directly buried spiral insulation pipe, including a spiral pipe, on the surface of which a heat insulation component is fixedly arranged; on the surface of the heat insulation component, an adiabatic mortar layer is fixedly arranged, and on the surface of the adiabatic mortar layer, a heat absorption component is fixedly arranged.

[0006] Preferably, the heat insulation component includes a rock wool layer fixedly arranged on the surface of the spiral pipe, and a glass fiber layer is fixedly arranged on the surface of the rock wool layer. The rock wool layer and the glass fiber layer are used for insulating the spiral pipe.

[0007] Preferably, the heat absorption component includes a polyurethane layer fixedly arranged on the surface of the adiabatic mortar layer, and a black organic heat absorption coating is fixedly arranged on the surface of the polyurethane layer. The black organic heat absorption coating absorbs external heat to prevent freezing.

[0008] Preferably, a sealing component is fixedly arranged at one end of the spiral pipe. The sealing component includes a threaded pipe fixedly arranged at one end of the spiral pipe, and a sealing rubber ring is sleeved on the surface of the threaded pipe. The sealing rubber ring is used for sealing the connection of the spiral pipe.

[0009] Preferably, a cavity is fixedly arranged on the inner wall of the spiral pipe, and a reinforcing rib is fixedly arranged inside the cavity. The reinforcing rib is used to improve the strength of the spiral pipe.

[0010] Preferably, the number of the reinforcing ribs is four groups, and the four groups of reinforcing ribs are distributed in a circular array.

[0011] Preferably, a number of convex balls are fixedly arranged inside the spiral pipe, and the number of convex balls are distributed in a circular array in sequence. The convex balls prevent the medium being transported from adhering and accumulating.

[0012] Advantageous Effects:

[0013] Considering the limited heat preservation effect, in cold regions, there is a problem that it is easy to freeze and cause cracking. The rock wool layer and the glass fiber layer are used to insulate the spiral pipe, and the polyurethane layer further enhances the heat preservation performance. The black organic heat-absorbing coating absorbs external heat, eliminating the need for external heating, which is more environmentally friendly, increases the temperature of the spiral pipe, and avoids freezing and cracking of the spiral pipe in cold weather, thus affecting its service life.

[0014] The above description is only an overview of the technical solution of the embodiment of the present application. In order to understand the technical means of the embodiment of the present application more clearly, it can be implemented according to the content of the specification. And in order to make the above and other purposes, features and advantages of the embodiment of the present application more obvious and understandable, the following specifically illustrates the specific implementation manners of the present application. Brief Description of the Drawings

[0015] In order to more clearly illustrate the technical solution of the embodiment of the present application, the drawings required for the description of the embodiment will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0016] Figure 1 It is a schematic diagram of the overall structure of an environment-friendly prefabricated directly buried spiral heat-insulating pipe of the present utility model.

[0017] Figure 2 It is a schematic diagram of the reinforcing ribs and the sealing assembly structure of an environment-friendly prefabricated directly buried spiral heat-insulating pipe of the present utility model.

[0018] Figure 3 It is a schematic diagram of the heat-insulating assembly structure of an environment-friendly prefabricated directly buried spiral heat-insulating pipe of the present utility model.

[0019] Figure 4 It is a schematic diagram of the black organic heat-absorbing coating structure of an environment-friendly prefabricated directly buried spiral heat-insulating pipe of the present utility model.

[0020] Description of the Reference Numerals:

[0021] 1, spiral pipe; 2, heat-insulating assembly; 201, rock wool layer; 202, glass fiber layer; 3, adiabatic mortar layer; 4, heat-absorbing assembly; 401, polyurethane layer; 402, black organic heat-absorbing coating; 5, sealing assembly; 501, threaded pipe; 502, sealing rubber ring; 6, reinforcing rib; 7, convex ball. Detailed Description of the Preferred Embodiments

[0022] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the following will clearly and completely describe the technical solutions in the embodiments of this application with reference to the accompanying drawings in the embodiments of this application. Apparently, the described embodiments are some but not all of the embodiments of this application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of this application without creative efforts shall fall within the scope of protection of this application.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs; the terms used in the description of this application in the specification are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the description, claims, and drawings of this application are intended to cover non-exclusive inclusion.

[0024] Reference to "embodiment" herein means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of this application. The phrase "embodiment" appearing in various places in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. Those skilled in the art explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.

[0025] The orientation terms appearing in the following description are all the directions shown in the figures and do not limit the specific structure of this application. For example, in the description of this application, the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0026] In addition, expressions indicating directions such as the X direction, Y direction, and Z direction used to illustrate the operation and structure of the components in this embodiment are not absolute but relative. Although these indications are appropriate when the components are in the positions shown in the figures, when these positions change, these directions should have different interpretations to correspond to the changes.

[0027] In addition, the terms "first", "second", etc. in the description and claims of this application or the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order, and may explicitly or implicitly include one or more of such features.

[0028] In the description of this application, it should be noted that unless otherwise clearly specified and limited, the terms "installed", "connected", and "coupled" should be understood in a broad sense. For example, the "connection" or "coupling" of mechanical structures may refer to a physical connection. For example, a physical connection may be a fixed connection, such as a fixed connection through a fixing member, such as a fixed connection through screws, bolts, or other fixing members; a physical connection may also be a detachable connection, such as a snap connection or a snap-fit connection; a physical connection may also be an integral connection, such as a connection formed by welding, bonding, or integral molding. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0029] In order to enable those skilled in the art of this technology to better understand the solution of this application, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the drawings.

[0030] The present utility model provides an environmentally friendly pre-buried spiral insulation pipe as Figures 1-4 shown, which includes a spiral pipe 1, and a thermal insulation assembly 2 is fixedly arranged on the surface of the spiral pipe 1; an adiabatic mortar layer 3 is fixedly arranged on the surface of the thermal insulation assembly 2; and a heat absorption assembly 4 is fixedly arranged on the surface of the adiabatic mortar layer 3.

[0031] The rock wool layer 201 and the glass fiber layer 202 insulate the spiral pipe 1, the polyurethane layer 401 further enhances the thermal insulation performance, and the black organic heat absorption coating 402 absorbs external heat, eliminating the need for external heating, being more environmentally friendly, increasing the temperature of the spiral pipe 1, and preventing the spiral pipe 1 from freezing and cracking in cold weather, which affects the service life.

[0032] Among them, the thermal insulation assembly 2 includes a rock wool layer 201 fixedly arranged on the surface of the spiral pipe 1, and a glass fiber layer 202 is fixedly arranged on the surface of the rock wool layer 201.

[0033] The rock wool layer 201 and the glass fiber layer 202 insulate the spiral pipe 1.

[0034] Among them, the heat absorption assembly 4 includes a polyurethane layer 401 fixedly arranged on the surface of the adiabatic mortar layer 3, and a black organic heat absorption coating 402 is fixedly arranged on the surface of the polyurethane layer 401.

[0035] The polyurethane layer 401 further enhances the heat insulation performance. The black organic heat-absorbing coating 402 absorbs external heat, eliminating the need for external heating, being more environmentally friendly, increasing the temperature of the spiral pipe 1, and preventing the spiral pipe 1 from freezing and cracking in cold weather, thus affecting its service life.

[0036] One end of the spiral pipe 1 is fixedly provided with a sealing assembly 5. The sealing assembly 5 includes a threaded pipe 501 fixedly arranged at one end of the spiral pipe 1, and a sealing rubber ring 502 is sleeved on the surface of the threaded pipe 501.

[0037] When splicing and installing multiple groups of spiral pipes 1, the sealing rubber ring 502 is sleeved on the threaded pipe 501, and the sealing rubber ring 502 seals the connection of the spiral pipes 1.

[0038] The inner wall of the spiral pipe 1 is fixedly provided with a cavity, and a reinforcing rib 6 is fixedly arranged inside the cavity.

[0039] The reinforcing rib 6 is used to improve the strength of the spiral pipe 1 and prevent bending.

[0040] The number of the reinforcing ribs 6 is four groups, and the four groups of reinforcing ribs 6 are distributed in a circular array.

[0041] A number of convex balls 7 are fixedly arranged inside the spiral pipe 1, and the number of convex balls 7 are distributed in a circular array in sequence.

[0042] When the flowing medium passes through the spiral pipe 1, due to the arranged convex balls 7, the formation of scale or sediment on the inner wall of the pipe can be prevented.

[0043] Working principle: When the environmentally friendly prefabricated directly buried spiral heat-insulating pipe is in use, the rock wool layer 201 and the glass fiber layer 202 insulate the spiral pipe 1. The polyurethane layer 401 further enhances the heat insulation performance. The black organic heat-absorbing coating 402 absorbs external heat, eliminating the need for external heating, being more environmentally friendly, increasing the temperature of the spiral pipe 1, and preventing the spiral pipe 1 from freezing and cracking in cold weather, thus affecting its service life.

[0044] When splicing and installing multiple groups of spiral pipes 1, the sealing rubber ring 502 is sleeved on the threaded pipe 501, and the sealing rubber ring 502 seals the connection of the spiral pipes 1. The reinforcing rib 6 is used to improve the strength of the spiral pipe 1 and prevent bending.

[0045] When the flowing medium passes through the spiral pipe 1, due to the arranged convex balls 7, the formation of scale or sediment on the inner wall of the pipe can be prevented.

[0046] As described above, the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An environmentally friendly prefabricated direct-buried spiral thermal insulation pipe, comprising a spiral pipe (1), characterized in that: A heat preservation component (2) is fixedly arranged on the surface of the spiral tube (1); A heat-insulating mortar layer (3) is fixedly disposed on the surface of the heat-insulating component (2), and a heat-absorbing component (4) is fixedly disposed on the surface of the heat-insulating mortar layer (3).

2. The environmentally friendly prefabricated direct-buried spiral insulation pipe according to claim 1 is characterized by: The thermal insulation component (2) comprises a rock wool layer (201) fixedly arranged on the surface of the spiral tube (1), and a glass fiber layer (202) is fixedly arranged on the surface of the rock wool layer (201).

3. The environmentally friendly prefabricated direct-buried spiral insulation pipe according to claim 1 is characterized by: The heat absorption component (4) comprises a polyurethane layer (401) fixedly arranged on the surface of the heat-insulating mortar layer (3), and a black organic heat-absorbing coating (402) is fixedly arranged on the surface of the polyurethane layer (401).

4. The environmentally friendly prefabricated direct-buried spiral insulation pipe according to claim 1 is characterized by: A sealing assembly (5) is fixedly arranged at one end of the spiral tube (1), and the sealing assembly (5) comprises a threaded tube (501) fixedly arranged at one end of the spiral tube (1), and a sealing rubber ring (502) is sleeved on the surface of the threaded tube (501).

5. The environmentally friendly prefabricated direct-buried spiral insulation pipe according to claim 1 is characterized by: The inner wall of the spiral tube (1) is fixedly provided with a cavity, and the interior of the cavity is fixedly provided with a reinforcing rib (6).

6. The environmentally friendly prefabricated direct-buried spiral insulation pipe according to claim 5 is characterized by: The number of the reinforcing ribs (6) is four groups, and the four groups of reinforcing ribs (6) are distributed in a ring array.

7. The environmentally friendly prefabricated direct-buried spiral insulation pipe according to claim 1 is characterized by: A plurality of raised balls (7) are fixedly arranged inside the spiral tube (1), and the plurality of raised balls (7) are sequentially distributed in a ring array.

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