Heating device for high-pressure cylindrical flange

Abstract

The utility model discloses a heating device for a high-pressure cylindrical flange, and relates to the technical field of pipe fittings. The device comprises a first shell and a second shell which are arranged on the outer side of a flange in a sleeving mode, the first shell and the second shell are in a semi-ring shape, and two first screws and two second screws penetrate through the outer walls of the two sides of the first shell and the outer walls of the two sides of the second shell in a threaded mode; the positioning grooves are formed in one side of the flange, and the first screws are matched with the positioning grooves; the heating plate is arranged on the inner side of the first shell and the inner side of the second shell, the two sides of the heating plate are each fixedly provided with two positioning pipes, and the second screws are matched with the positioning pipes; and two connecting mechanisms. According to the utility model, the first shell and the second shell can be effectively positioned, so that the device is prevented from being deviated due to stress, the overall stability of the device is ensured, people can conveniently mount and dismount the device, and meanwhile, people can conveniently overhaul the heating plate.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipe fittings, and particularly relates to a heating device for a high-pressure cylindrical flange. Background Technique

[0002] A flange is one of the commonly used pipe fittings for connecting pipelines. When the pipeline conveys high-temperature media, a high-pressure cylindrical flange is used to connect the pipeline. At the same time, in order to keep the flange at a certain temperature, a heating device is usually arranged on the outer side of the flange to prevent the internal medium from cooling and solidifying.

[0003] After retrieval, the patent with the publication number CN214458463U discloses a flange heating device, which has the following deficiencies in use:

[0004] 1. When the above heating device is installed, it is directly sleeved on the outer side of the flange, with insufficient stability and easy to shift when subjected to external forces.

[0005] Therefore, we propose a heating device for a high-pressure cylindrical flange. Content of the Utility Model

[0006] The purpose of the utility model is to solve the shortcomings that the existing heating device is directly sleeved on the outer side of the flange during installation, with insufficient stability and easy to shift when subjected to external forces, and to propose a heating device for a high-pressure cylindrical flange.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0008] A heating device for a high-pressure cylindrical flange, comprising:

[0009] A first outer shell and a second outer shell sleeved on the outer side of the flange, the first outer shell and the second outer shell are semi-circular, and two first screws and second screws are threadedly penetrated through the outer walls on both sides of the first outer shell and the second outer shell;

[0010] It further includes a plurality of positioning grooves opened on one side of the flange, and the first screws are matched with the positioning grooves;

[0011] It further includes a heating plate arranged on the inner sides of the first outer shell and the second outer shell, two positioning tubes are fixedly arranged on both sides of the heating plate, and the second screws are matched with the positioning tubes;

[0012] Two connecting mechanisms, the two connecting mechanisms are symmetrically arranged at the connection of the first outer shell and the second outer shell for connecting the first outer shell and the second outer shell.

[0013] In a possible design, the connecting mechanism includes a first connecting block and a second connecting block. The second connecting block is fixedly arranged on the outer wall of the second housing. A connecting groove is formed on one side of the first connecting block. A third screw penetrates through the surface of the first connecting block in a threaded manner. One end of the second connecting block is located in the connecting groove, and a through hole is formed on the surface of the second connecting block. The third screw passes through the through hole.

[0014] In a possible design, two positioning strips are integrally formed on the inner walls of the first housing and the second housing respectively. The two positioning strips on the same side are respectively located on both sides of the heating plate.

[0015] In a possible design, semi-circular protective pads are bonded to the inner walls of the first housing and the second housing respectively. The protective pads are in contact with the outer wall of the pipeline.

[0016] In a possible design, wiring holes are formed on the outer walls of the first housing and the second housing respectively.

[0017] In a possible design, cavities are provided on the inner sides of the first housing and the second housing respectively. Heat insulation cotton is filled in the cavities.

[0018] In this application, during installation, first place the heating plate into the first housing and the second housing. Insert one end of the second screw into the positioning tube to complete the installation of the heating plate. Then place the first housing outside the flange. Insert one end of the first screw into the positioning groove to complete the installation of the first housing. Then place the second connecting block into the connecting groove, so that the second housing is placed outside the flange. Then insert one end of the first screw into the positioning groove to complete the installation of the second housing. Then pass the third screw through the through hole to complete the connection between the first housing and the second housing. During disassembly, repeat the above operations in reverse.

[0019] Beneficial effects:

[0020] In this utility model, for the heating device of the high-pressure cylindrical flange, through the arrangement of the first screw and the positioning groove, the first housing and the second housing can be effectively positioned, avoiding the device from shifting under force and ensuring the overall stability of the device.

[0021] In this utility model, for the heating device of the high-pressure cylindrical flange, through the arrangement of multiple structures such as the second screw, the positioning tube, and the third screw, it is convenient for people to install and disassemble the device, and at the same time convenient for people to repair the heating plate.

[0022] In this utility model, the first housing and the second housing can be effectively positioned, avoiding the device from shifting under force and ensuring the overall stability of the device. It is convenient for people to install and disassemble the device, and at the same time convenient for people to repair the heating plate. Description of the drawings

[0023] To more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0024] Figure 1 3D structure schematic diagram of an embodiment of the present utility model;

[0025] Figure 2 Exploded structure schematic diagram of an embodiment of the present utility model;

[0026] Figure 3 Connection mechanism structure schematic diagram of an embodiment of the present utility model.

[0027] In the figure: 1, flange; 2, first outer shell; 3, second outer shell; 4, wiring hole; 5, positioning groove; 6, first screw; 7, second screw; 8, heating plate; 9, positioning tube; 10, protective pad; 11, positioning strip; 12, first connecting block; 13, second connecting block; 14, connecting groove; 15, third screw; 16, through hole. Detailed implementation manners

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only some, rather than all, embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0029] In the description of the present utility model, it should be understood that the terms "opening", "upper", "middle", "length", "inner", etc. indicating orientation or positional relationships are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0030] To keep the following description of the embodiments of the present utility model clear and concise, the detailed descriptions of known functions and known components are omitted in the present utility model.

[0031] Embodiment 1

[0032] Refer to Figures 1-3 , a heating device, comprising:

[0033] The first housing 2 and the second housing 3 sleeved outside the flange 1, the first housing 2 and the second housing 3 are semi-circular, and two first screws 6 and second screws 7 are threadedly penetrated through the outer walls on both sides of the first housing 2 and the second housing 3;

[0034] It further includes a plurality of positioning grooves 5 opened on one side of the flange 1, and the first screws 6 are matched with the positioning grooves 5 to effectively position the first housing 2 and the second housing 3, avoid the first housing 2 and the second housing 3 from shifting under force, and ensure the overall stability of the device;

[0035] It further includes a heating plate 8 arranged inside the first housing 2 and the second housing 3. Two positioning tubes 9 are fixedly provided on both sides of the heating plate 8, and the second screws 7 are matched with the positioning tubes 9 to position the heating plate 8 and ensure the stability of the heating plate 8;

[0036] Two connecting mechanisms are symmetrically arranged at the connection of the first housing 2 and the second housing 3 to connect the first housing 2 and the second housing 3. The connecting mechanism includes a first connecting block 12 and a second connecting block 13. The second connecting block 13 is fixedly arranged on the outer wall of the second housing 3. A connecting groove 14 is opened on one side of the first connecting block 12. A third screw 15 is threadedly penetrated through the surface of the first connecting block 12. One end of the second connecting block 13 is located in the connecting groove 14. A through hole 16 is opened on the surface of the second connecting block 13. The third screw 15 passes through the through hole 16 to connect the first housing 2 and the second housing 3 and prevent the device from loosening.

[0037] This application can be used in the field of pipe fittings and other fields applicable to this application.

[0038] Embodiment 2

[0039] A heating device for a high-pressure cylindrical flange improved on the basis of Embodiment 1, which is applied to the field of pipe fittings;

[0040] In one aspect of this embodiment, two positioning strips 11 are integrally formed on the inner walls of the first housing 2 and the second housing 3. The two positioning strips 11 on the same side are respectively located on both sides of the heating plate 8, which helps to better fix the heating plate 8 and prevent it from shifting during operation.

[0041] In one aspect of this embodiment, semi-circular protective pads 10 are bonded to the inner walls of the first housing 2 and the second housing 3. The protective pads 10 are in contact with the outer wall of the pipeline, playing a buffering and protective role, and reducing the friction and wear between the housing and the pipeline.

[0042] In one aspect of this embodiment, wiring holes 4 are opened on the outer walls of the first housing 2 and the second housing 3. These wiring holes 4 are used to connect the power supply wires of the heating plate 8 to facilitate the access of external power.

[0043] In one aspect of this embodiment, cavities are provided on the inner sides of the first housing 2 and the second housing 3, and heat-insulating cotton is filled in the cavities. The addition of the heat-insulating cotton effectively reduces heat dissipation, improves the heating efficiency, and also reduces energy consumption.

[0044] It should be noted that in the description of this specification, descriptions such as "first", "second", etc. are only used to distinguish each feature, and do not have an actual order or directional meaning. This application is not limited thereto.

[0045] In the description of this specification, the description of reference terms such as "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0046] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and changes can be made according to the content of this specification. These embodiments are selected and specifically described in this specification to better explain the principle and practical application of the present invention, so that those skilled in the art can understand and utilize the present invention well. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. A heating device for a high-pressure cylindrical flange, characterized in that: include: A first housing (2) and a second housing (3) are sleeved on the outside of the flange (1); the first housing (2) and the second housing (3) are semi-circular, and two first screws (6) and two second screws (7) are threadedly penetrated through the outer walls of both sides of the first housing (2) and the second housing (3); It also includes a plurality of positioning grooves (5) formed on one side of the flange (1), wherein the first screws (6) match the positioning grooves (5); It also includes a heating plate (8) arranged inside the first shell (2) and the second shell (3), two positioning tubes (9) are fixedly arranged on both sides of the heating plate (8), and the second screw (7) and the positioning tube (9) are matched; Two connecting mechanisms are symmetrically arranged at the connection between the first shell (2) and the second shell (3) and are used to connect the first shell (2) and the second shell (3).

2. A heating device for a high-pressure cylindrical flange according to claim 1, characterized in that: The connection mechanism comprises a first connection block (12) and a second connection block (13); the second connection block (13) is fixedly arranged on the outer wall of the second housing (3); a connection groove (14) is provided on one side of the first connection block (12); a third screw (15) is threadedly passed through the surface of the first connection block (12); one end of the second connection block (13) is located in the connection groove (14); a through hole (16) is provided on the surface of the second connection block (13); and the third screw (15) passes through the through hole (16).

3. A heating device for a high-pressure cylindrical flange according to claim 2, characterized in that: The inner walls of the first shell (2) and the second shell (3) are integrally formed with two positioning strips (11), and the two positioning strips (11) on the same side are respectively located on both sides of the heating plate (8).

4. A heating device for a high-pressure cylindrical flange as claimed in claim 3, characterized in that: A semi-annular protective pad (10) is bonded to the inner walls of the first outer shell (2) and the second outer shell (3), and the protective pad (10) is in contact with the outer wall of the pipeline.

5. A heating device for a high-pressure cylindrical flange according to claim 4, characterized in that: The outer walls of the first shell (2) and the second shell (3) are both provided with wiring holes (4).

6. A heating device for a high-pressure cylindrical flange according to claim 5, characterized in that: The first shell (2) and the second shell (3) are both provided with cavities on their inner sides, and the cavities are filled with thermal insulation cotton.

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