Composite heat preservation steel pipe structure

By designing the composite insulation steel pipe structure and adopting a design of quick connection and convenient replacement, the existing insulation steel pipe connections are solved, and the rapid connection of steel pipes and efficient maintenance of insulation layers are achieved.

CN222513791UActive Publication Date: 2025-02-21ANSHAN YUCHENG THERMAL PIPELINE CO LTD
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Patent Information

Application Number
CN202421250487.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-04
Publication Date
2025-02-21
Estimated Expiration
2034-06-04

AI Technical Summary

Technical Problem

The external insulation layer of existing insulation steel pipes is prone to damage after long-term use, affecting the insulation effect, and the connection is cumbersome, so it is impossible to quickly maintain or replace the insulation layer.

Method used

A composite insulation steel pipe structure is designed, including a main body, an inner steel pipe, a connecting groove, a connecting head, a first connecting plate and a second connecting plate, and is threaded to the connecting groove of another steel pipe through the connecting head, and the first connecting plate is connected with another The second connecting plate of a steel pipe is sealed and extruded to achieve quick connection; at the same time, the insulation layer is wrapped on the outside of the insulating layer and is wrapped through the first and second outer sleeves, so that the insulation layer can be separately removed and replaced in the later stage.

Benefits of technology

It realizes the rapid and firm connection of steel pipes and the convenient replacement of insulation layers, improves the maintenance efficiency of insulation effects, and reduces the cumbersomeness of replacing the entire steel pipe.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222513791U_ABST
Patent Text Reader

Abstract

The utility model discloses a composite heat preservation steel pipe structure which comprises a main body, an inner steel pipe is arranged in the main body, a channel is formed in the inner steel pipe, a connecting groove is formed in one end of the inner steel pipe, a first connecting disc is arranged on the outer side of the connecting groove, and a connector is arranged at the other end of the inner steel pipe. A second connecting disc is arranged on the outer side of the connector, an insulating layer is arranged on the outer side of the inner steel pipe, a heat preservation layer is arranged on the outer side of the insulating layer, a first outer sleeve is arranged above the outer side of the heat preservation layer, a second outer sleeve is arranged below the outer side of the heat preservation layer, and the connector can be in threaded connection with a connecting groove of another main body. And the first connecting disc can be connected with a second connecting disc of another main body in a sealing and extruding manner. Rapid connection is carried out through the connecting groove and the connector, the heat preservation layer is wrapped through the first outer sleeve and the second outer sleeve, the effect of rapid connection of the heat preservation steel pipe is achieved, and the characteristic that the heat preservation layer is replaced is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of thermal insulation steel pipes, in particular to a composite thermal insulation steel pipe structure. Background Art

[0002] Insulated steel pipe is a steel pipe that has been processed by the insulation process to ensure that the temperature inside the working steel pipe and the surface temperature meet or reach the use requirements under different working environments and external media. Insulated pipes are widely used in liquid and gas transportation pipelines, chemical pipeline insulation projects, petroleum, chemical industry, central heating network, central air conditioning ventilation ducts, municipal engineering, etc.

[0003] Existing insulated steel pipes are all integrated structures. After long-term use, the external insulation layer will inevitably be damaged, affecting the insulation effect. In the past, it was necessary to directly replace the entire insulated steel pipe, which was very cumbersome and could not quickly maintain the insulation layer. Moreover, the insulated steel pipes are currently connected by bolts, which is very cumbersome and cannot be quickly connected. For this reason, this application proposes a composite insulated steel pipe structure to solve this problem.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] The purpose of the utility model is to provide a composite thermal insulation steel pipe structure to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a composite thermal insulation steel pipe structure, comprising a main body, the interior of the main body comprising an inner steel pipe, the interior of the inner steel pipe is provided with a channel, one end of the inner steel pipe is provided with a connecting groove, the outer side of the connecting groove is provided with a first connecting plate, the other end of the inner steel pipe is provided with a connecting head, the outer side of the connecting head is provided with a second connecting plate, the outer side of the inner steel pipe is provided with an insulating layer, the outer side of the insulating layer is provided with a thermal insulation layer, the outer side of the thermal insulation layer is provided with a first outer sleeve above the thermal insulation layer, and the outer side of the thermal insulation layer is provided with a second outer sleeve below the thermal insulation layer.

[0007] Preferably, the connecting head can be threadedly connected to the connecting groove of another main body, and the first connecting disk can be sealed and extrudedly connected to the second connecting disk of the other main body.

[0008] Preferably, the connecting head is welded to the inner steel pipe, the first connecting plate is welded to the inner steel pipe, and the second connecting plate is welded to the inner steel pipe.

[0009] Preferably, the insulating layer is formed by a ceramic decoagulant, and the insulating layer is sprayed on the outer side of the inner steel pipe.

[0010] Preferably, the thermal insulation layer is made of a foam pad, and the thermal insulation layer is bonded to the insulating layer.

[0011] Preferably, the first outer sleeve is connected to the thermal insulation layer by extrusion, the second outer sleeve is connected to the thermal insulation layer by extrusion, and the first outer sleeve is fixedly connected to the second outer sleeve by bolts.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The utility model is a composite heat-insulating steel pipe structure, which is provided with a main body, an inner steel pipe, a connecting groove, a connecting head, a first connecting plate and a second connecting plate. The connecting head is threadedly connected to the connecting groove of another steel pipe, so that the first connecting plate and the second connecting plate of the other steel pipe are sealed and extruded, which is convenient for fast and firm connection of the steel pipes.

[0014] 2. The utility model is a composite thermal insulation steel pipe structure, which is provided with a thermal insulation layer, a first outer sleeve and a second outer sleeve. The thermal insulation layer is wrapped around the outside of the insulating layer, and then the thermal insulation layer is wrapped by the first outer sleeve and the second outer sleeve. The first outer sleeve is sealed and connected with the second outer sleeve. The steel pipe is insulated by the thermal insulation layer. The first outer sleeve and the second outer sleeve can be disassembled separately at a later stage to facilitate replacement of the thermal insulation layer, which has the effect of facilitating replacement and maintenance of the thermal insulation layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a structural schematic diagram of a composite thermal insulation steel pipe structure according to an embodiment of the utility model;

[0017] Figure 2 It is a schematic diagram of the internal structure of a composite thermal insulation steel pipe structure according to an embodiment of the utility model;

[0018] Figure 3 It is a schematic diagram of the front internal structure of a composite thermal insulation steel pipe structure according to an embodiment of the utility model.

[0019] Reference numerals:

[0020] 1. Main body; 2. Inner steel pipe; 3. Channel; 4. Connection groove; 5. Connector; 6. First connection plate; 7. Second connection plate; 8. Insulation layer; 9. Thermal insulation layer; 10. First outer sleeve; 11. Second outer sleeve. DETAILED DESCRIPTION

[0021] Below, in conjunction with the accompanying drawings and specific implementation methods, the utility model is further described:

[0022] See also Figure 1-3 According to an embodiment of the utility model, a composite insulated steel pipe structure includes a main body 1, the interior of the main body 1 includes an inner steel pipe 2, the interior of the inner steel pipe 2 is provided with a channel 3, one end of the inner steel pipe 2 is provided with a connecting groove 4, the outer side of the connecting groove 4 is provided with a first connecting plate 6, the other end of the inner steel pipe 2 is provided with a connecting head 5, the outer side of the connecting head 5 is provided with a second connecting plate 7, the outer side of the inner steel pipe 2 is provided with an insulating layer 8, the outer side of the insulating layer 8 is provided with an insulating layer 9, the upper side of the outer side of the insulating layer 9 is provided with a first outer sleeve 10, and the lower side of the outer side of the insulating layer 9 is provided with a second outer sleeve 11. The utility model performs quick connection through the connecting groove 4 and the connecting head 5, and wraps the insulating layer 9 with the first outer sleeve 10 and the second outer sleeve 11, which not only has the effect of quickly connecting the insulating steel pipe, but also has the characteristic of replacing the insulating layer.

[0023] According to the above solution of the utility model, the connector 5 can be threadedly connected to the connecting groove 4 of another main body 1, and the first connecting plate 6 can be sealed and extruded with the second connecting plate 7 of another main body 1 for connecting multiple pipes.

[0024] According to the above solution of the utility model, the connector 5 is welded to the inner steel pipe 2, the first connecting plate 6 is welded to the inner steel pipe 2, and the second connecting plate 7 is welded to the inner steel pipe 2 for sealed extrusion connection.

[0025] According to the above solution of the utility model, the insulating layer 8 is formed by a ceramic decoagulant, and the insulating layer 8 is sprayed on the outer side of the inner steel pipe 2 for insulation isolation.

[0026] According to the above scheme of the utility model, the heat-insulating layer 9 is formed by a foam pad, and the heat-insulating layer 9 is bonded and connected to the insulating layer 8 for heat-insulating work.

[0027] According to the above scheme of the utility model, the first outer sleeve 10 is extruded and connected to the insulation layer 9, the second outer sleeve 11 is extruded and connected to the insulation layer 9, and the first outer sleeve 10 and the second outer sleeve 11 are fixedly connected by bolts, which is convenient for disassembly and replacement of the insulation layer 9.

[0028] During installation, the connecting head 5 is threadedly connected to the connecting groove 4 of another steel pipe, so that the first connecting plate 6 is sealed and extruded with the second connecting plate 7 of the other steel pipe, which is convenient for the steel pipes to be quickly and firmly connected; then the insulation layer 9 is wrapped on the outside of the insulating layer 8, and then the insulation layer 9 is wrapped by the first outer sleeve 10 and the second outer sleeve 11. The first outer sleeve 10 and the second outer sleeve 11 are sealed and connected, and the steel pipe is insulated by the insulation layer 9. At a later stage, the first outer sleeve 10 and the second outer sleeve 11 can be disassembled separately to replace the insulation layer 9, thereby achieving the effect of facilitating the replacement and maintenance of the insulation layer 9.

[0029] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top end", "bottom end", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention 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 cannot be understood as a limitation of the present invention; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A composite thermal insulation steel pipe structure, characterized in that: The invention comprises a main body (1), wherein the interior of the main body (1) comprises an inner steel pipe (2), the interior of the inner steel pipe (2) is provided with a channel (3), one end of the inner steel pipe (2) is provided with a connection groove (4), the outer side of the connection groove (4) is provided with a first connection plate (6), the other end of the inner steel pipe (2) is provided with a connection head (5), the outer side of the connection head (5) is provided with a second connection plate (7), the outer side of the inner steel pipe (2) is provided with an insulation layer (8), the outer side of the insulation layer (8) is provided with a heat preservation layer (9), the upper side of the outer side of the heat preservation layer (9) is provided with a first outer sleeve (10), and the lower side of the outer side of the heat preservation layer (9) is provided with a second outer sleeve (11).

2. A composite thermal insulation steel pipe structure according to claim 1, characterized in that: The connecting head (5) can be threadedly connected to the connecting groove (4) of another main body (1), and the first connecting plate (6) can be sealed and extrudedly connected to the second connecting plate (7) of another main body (1).

3. A composite thermal insulation steel pipe structure according to claim 2, characterized in that: The connecting head (5) is welded to the inner steel pipe (2), the first connecting plate (6) is welded to the inner steel pipe (2), and the second connecting plate (7) is welded to the inner steel pipe (2).

4. The composite thermal insulation steel pipe structure according to claim 1, characterized in that: The insulating layer (8) is formed by a ceramic decoagulant and is sprayed on the outer side of the inner steel pipe (2).

5. The composite thermal insulation steel pipe structure according to claim 1, characterized in that: The thermal insulation layer (9) is made of a foam pad, and the thermal insulation layer (9) is bonded and connected to the insulating layer (8).

6. The composite thermal insulation steel pipe structure according to claim 5, characterized in that: The first outer sleeve (10) is connected to the thermal insulation layer (9) by extrusion, the second outer sleeve (11) is connected to the thermal insulation layer (9) by extrusion, and the first outer sleeve (10) and the second outer sleeve (11) are fixedly connected by bolts.