CN218954362U - Thermal-insulated formula steam return bend keeps warm - Google Patents

Abstract

The utility model belongs to the technical field of steam pipelines, and particularly relates to a heat-preservation and heat-insulation type steam bent pipe, which comprises an outer protection pipe and a core pipe, wherein the outer protection pipe is sleeved outside the core pipe, the outer protection pipe and the core pipe are bent pipes, a heat-insulation positioning bracket is arranged at the bent part of the outer protection pipe and the core pipe, and the heat-insulation positioning bracket is positioned between the outer protection pipe and the core pipe; the heat-insulating positioning support comprises a positioning clamping plate and a positioning wood plate, the positioning clamping plate is fixed on the inner wall of the outer protective tube, one end of the positioning wood plate is fixedly installed with the positioning clamping plate, the other end of the positioning wood plate abuts against the outer wall of the core tube, and an aerogel felt is arranged on the end face, in contact with the core tube, of the positioning wood plate. The prefabricated heat preservation reinforced heat insulation type steam bent pipe has the advantages that the heat conductivity between the outer protection steel pipe and the core pipe is further reduced by reducing the heat conductivity, so that the phenomenon of heat bridge is completely blocked, the heat energy loss is greatly reduced, and the problem of high heat dissipation capacity between the outer protection steel pipe and the core pipe in the prior art is solved.

Description

Thermal-insulated formula steam return bend keeps warm

Technical Field

The utility model belongs to the technical field of steam pipelines, and particularly relates to a heat-preservation and heat-insulation steam bent pipe.

Background

The steam bent pipe is a pipe fitting with more use in a steam pipe network, a steel plate is used as a locating support in the common steam bent pipe, and the core pipe is used for locating the support through the steel and protecting the steel pipe outwards to transfer more heat. When the whole pipe network is used for a large amount of steam bent pipes, heat energy is obviously lost in the conveying and using processes of the whole steam pipe network in the process that heat is sent to users from a heat source through the heat network, and the needed supply amount of the heat source is huge. Therefore, the phenomenon that the heat transfer amount of the steel positioning bracket between the core pipe of the steam bent pipe and the outer protective steel pipe is large and the heat dissipation loss is serious in the using and running process of the steam pipe network exists in the prior art. The whole pipe network has great heat energy loss, great heat supply amount, increased economic burden and other disadvantages.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model aims to provide a novel prefabricated heat-preservation reinforced heat-insulation type steam bent pipe, so as to avoid heat transfer between the core pipe and the outer steel pipe through a steel positioning bracket, further completely block a heat bridge phenomenon and reduce heat energy loss.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the heat-preservation and heat-insulation type steam bent pipe comprises an outer protection pipe and a core pipe, wherein the outer protection pipe is sleeved outside the core pipe, the outer protection pipe and the core pipe are bent pipes, a heat-insulation positioning bracket is arranged at the bent part of the outer protection pipe and the core pipe, and the heat-insulation positioning bracket is positioned between the outer protection pipe and the core pipe; the heat-insulating positioning support comprises a positioning clamping plate and a positioning wood plate, the positioning clamping plate is fixed on the inner wall of the outer protective tube, one end of the positioning wood plate is fixedly installed with the positioning clamping plate, the other end of the positioning wood plate abuts against the outer wall of the core tube, and an aerogel felt is arranged on the end face, in contact with the core tube, of the positioning wood plate.

Further, two locating splints are arranged, and the two locating splints are respectively positioned at two sides of the locating wood board to clamp the locating wood board.

Further, the locating clamping plates and the outer protective tube are steel workpieces, one ends of the two locating clamping plates are welded on the inner wall of the outer protective tube, and the two locating clamping plates are fastened through the connecting piece.

Further, the connecting piece is a round steel rod, and two ends of the round steel rod are fixed with the two locating clamping plates through welding.

Further, the aerogel felt is provided with the end plate away from one side terminal surface of location plank, and countersunk head screw passes aerogel felt and end plate to be connected to on the location plank.

Further, the locating clamp plate and the locating wood plate are arranged along the radial direction of the bent pipe.

Further, the heat insulation positioning support is circumferentially provided with a plurality of heat insulation positioning supports.

Further, an insulating layer and an anti-corrosion layer are coated between the core pipe and the outer protective pipe from inside to outside.

Further, steel guide pipes are connected to the two ends of the outer protection pipe, an insulation layer is arranged between the steel guide pipes and the core pipe, and the ends of the steel guide pipes are fixed with the core pipe through a transportation positioning plate.

Further, the outer protection pipe and the steel guide pipe are in transition through the reducer pipe.

The beneficial effects of the utility model are as follows: the prefabricated heat-preserving reinforced heat-insulating steam bent pipe has the functions of completely blocking a heat bridge phenomenon by reducing the heat conductivity coefficient between the outer protective steel pipe and the core pipe and further reducing the heat conductivity, greatly reducing heat energy loss and overcoming the problem of high heat dissipation capacity between the outer protective steel pipe and the core pipe in the prior art.

Drawings

FIG. 1 is a schematic view of a heat-insulating steam elbow;

FIG. 2 is a schematic view of an insulated positioning bracket;

in the figure: 1. core pipe, 2, transportation locating plate, 3, heat insulating layer, 4, steel conduit, 5, reducer pipe, 6, outer protecting pipe, 7, anticorrosive layer, 8, a heat insulation positioning bracket, 8.1 positioning clamping plates, 8.2 positioning wood plates, 8.3 aerogel felts, 8.4 end plates, 8.5 countersunk screws and 8.6 connecting pieces;

l=distance of the elbow end from the center; ∅ = core tube outer diameter; ∅ 1 = patch tube outer diameter; ∅ 2 = outer sheath outer diameter; l1=patch length; r=radius of curvature.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

Referring to fig. 1-2, a heat-insulating steam elbow comprises an outer protection pipe 6 and a core pipe 1, wherein the outer protection pipe 6 is sleeved outside the core pipe 1, the outer protection pipe 6 and the core pipe 1 are elbow pipes, a heat-insulating positioning bracket 8 is arranged at the bending part of the outer protection pipe 6 and the core pipe 1, and the heat-insulating positioning bracket 8 is positioned between the outer protection pipe 6 and the core pipe 1; the heat insulation positioning support 8 comprises two positioning clamping plates 8.1 and two positioning wood plates 8.2, wherein the two positioning clamping plates 8.1 are radially arranged along the bent pipe, one ends of the two positioning clamping plates 8.1 are welded on the inner wall of the outer protection pipe 6, the other ends of the two positioning clamping plates 8.1 are opened and are used for clamping the positioning wood plates 8.2, one end of the positioning wood plate 8.2 is clamped between the two positioning clamping plates 8.1, the other end of the positioning wood plate 8.2 abuts against the outer wall of the core pipe 1, and aerogel felts 8.3 are arranged on the end face, in contact with the core pipe 1, of the positioning wood plate 8.2.

Based on the technical scheme, the positioning clamping plates 8.1 and the positioning wood plates 8.2 are arranged along the radial direction of the bent pipe, namely, are arranged perpendicular to the tangent line of the bent pipe.

Further, two locating splints 8.1 are respectively located at both sides of the locating plank 8.2 to clamp the locating plank 8.2 and are fastened by the connecting piece 8.6.

Further, the connecting piece 8.6 is a round steel rod, and two ends of the round steel rod are fixed with the two locating clamping plates through welding.

Further, the locating clamping plate 8.1 and the outer protection tube 6 are steel workpieces, and the locating clamping plate 8.1 is welded on the inner wall of the outer protection tube 6.

Further, an end plate 8.4 is arranged on the end face of one side, far away from the locating wood plate 8.2, of the aerogel felt 8.3, and countersunk screws 8.5 penetrate through the aerogel felt 8.3 and the end plate 8.4 to be connected to the locating wood plate 8.2. The end plate 8.4 is a thin wood plate, and the countersunk head screw 8.5 is a countersunk head wood screw.

Further, two heat insulation positioning brackets 8 are arranged, one is arranged at a small corner on the inner side of the bent pipe, and the other is arranged at a large corner on the outer side of the bent pipe.

Further, the heat preservation layer 3 and the anti-corrosion layer 7 are coated between the core tube 1 and the outer protective tube 6 from inside to outside.

Further, two ends of the outer protection tube 6 are connected with the steel guide tube 4, an insulation layer 3 is arranged between the steel guide tube 4 and the core tube 1, and the end part of the steel guide tube 4 is fixed with the core tube 1 through the transportation positioning plate 2.

Further, the outer protection pipe 6 and the steel guide pipe 4 are transited through the reducer pipe 5.

The utility model redesigns the traditional steel positioning bracket with larger internal heat dissipation capacity, and the novel positioning bracket has the structure that: firstly, two locating clamping plates 8.1 are designed, the locating clamping plates 8.1 are welded on the inner wall of the outer protective steel pipe 6, a locating wood plate 8.2 is installed between the two locating clamping plates 8.1, a layer of aerogel felt 8.3 with extremely low heat conductivity coefficient is added on the end face of the locating wood plate 8.2, which is in contact with the core pipe 1, the aerogel felt 8.3 is fixed on the existing locating wood plate 8.2 through an end plate 8.4 and a screw 8.5, the aerogel felt material has stronger compressive strength, the installation firmness can be effectively ensured, so that the steel locating bracket in the traditional steam bent pipe is prevented from being in direct contact with the outer protective steel pipe, heat transfer between the core pipe and the outer protective steel pipe is blocked, heat bridge phenomena are further blocked, heat energy loss is reduced, heat supply efficiency of a pipe network is improved, and heat supply cost is reduced. The utility model has the characteristics of novel structure, simple and convenient installation, convenient use, long service life, safe and reliable work and the like.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

The foregoing list is only the preferred embodiments of the present utility model. Obviously, the utility model is not limited to the above embodiments, but many variations are possible. All modifications directly derived or suggested to one skilled in the art from the present disclosure should be considered as being within the scope of the present utility model.

Claims (10)

1. A thermal-insulated formula steam return bend keeps warm which characterized in that: the outer protective tube is sleeved outside the core tube, the outer protective tube and the core tube are bent tubes, and a heat insulation positioning bracket is arranged at the bent part of the outer protective tube and the core tube and is positioned between the outer protective tube and the core tube; the heat-insulating positioning support comprises a positioning clamping plate and a positioning wood plate, the positioning clamping plate is fixed on the inner wall of the outer protective tube, one end of the positioning wood plate is fixedly installed with the positioning clamping plate, the other end of the positioning wood plate abuts against the outer wall of the core tube, and an aerogel felt is arranged on the end face, in contact with the core tube, of the positioning wood plate.

2. The heat preservation and insulation steam elbow according to claim 1, wherein: the two locating splints are respectively positioned at two sides of the locating wood board to clamp the locating wood board.

3. The heat preservation and insulation steam elbow according to claim 2, wherein: the locating clamp plates and the outer protective tube are steel workpieces, one ends of the two locating clamp plates are welded on the inner wall of the outer protective tube, and the two locating clamp plates are fastened through the connecting piece.

4. A heat preservation and insulation steam trap according to claim 3, wherein: the connecting piece is a round steel rod, and two ends of the round steel rod are fixed with the two locating clamping plates through welding.

5. The heat preservation and insulation steam elbow according to claim 1, wherein: an end plate is arranged on the end face of one side, far away from the locating wood plate, of the aerogel felt, and countersunk screws penetrate through the aerogel felt and the end plate to be connected to the locating wood plate.

6. The heat preservation and insulation steam elbow according to claim 1, wherein: the locating clamping plates and the locating wood plates are arranged along the radial direction of the bent pipe.

7. The heat preservation and insulation steam elbow according to claim 1, wherein: the heat insulation positioning support is circumferentially provided with a plurality of heat insulation positioning supports.

8. The heat preservation and insulation steam elbow according to claim 1, wherein: and an insulating layer and an anticorrosive layer are coated between the core pipe and the outer protective pipe from inside to outside.

9. The heat preservation and insulation steam elbow according to claim 1, wherein: the two ends of the outer protective tube are connected with steel guide tubes, an insulating layer is arranged between the steel guide tubes and the core tube, and the ends of the steel guide tubes are fixed with the core tube through a transportation positioning plate.

10. The insulated steam elbow according to claim 9, wherein: the outer protection pipe and the steel guide pipe are in transition through the reducer pipe.

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