Drying treatment device before spraying of pipeline coating

By designing a drying treatment device before pipeline coating spraying and using drying components and blowers to blow dry the residual liquid on the outer surface of the pipeline, the problem of decreased coating viscosity is solved and the coating spraying quality is improved.

CN223337736UActive Publication Date: 2025-09-16CHINA INVESTMENT (TIANJIN) THERMAL POWER CO LTD
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Patent Information

Application Number
CN202422467246.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-11
Publication Date
2025-09-16
Estimated Expiration
2034-10-11

AI Technical Summary

Technical Problem

In the prior art, the cleanliness of the outer surface of the pipe affects the adhesion of the coating, and liquid flushing causes the adhesion of the coating to decrease, affecting the spraying quality.

Method used

A pipeline coating pre-spray drying device was designed. The device uses a drying component and a blower to dry the residual liquid on the outer surface of the pipeline. Drying is achieved through the air cavity formed by the nozzle and the air slot. The stabilizer frame and roller structure are combined to ensure stable movement of the pipeline.

Benefits of technology

It effectively dries the residual liquid on the outer surface of the pipe, improves the spraying effect and viscosity of the coating, and ensures good adhesion between the coating and the pipe surface.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a drying treatment device before spraying of a pipeline coating, which comprises a support frame, an annular support plate is fixedly arranged on the inner side of the support frame, an air inlet hole is formed in the annular support plate, and the air inlet hole is communicated with an air blower; stabilizing frames corresponding to a to-be-dried pipeline are arranged on the two sides of the supporting frame; the drying assembly is arranged on the inner side of the annular supporting plate, a plurality of spray heads are fixedly arranged on the drying assembly, an air groove is formed in the outer side wall of the drying assembly, the spray heads communicate with the air groove, an air cavity is formed between the air groove and the inner side wall of the annular supporting plate, and the air cavity communicates with the air inlet holes. The pipeline drying device has the advantages that after a pipeline passes through the drying assembly, residual liquid on the outer surface of the pipeline is blow-dried, and the spraying effect of a coating is improved.
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Description

Technical Field

[0001] The utility model belongs to the field of pipeline processing, in particular to a drying treatment device before pipeline coating spraying. Background Art

[0002] During use, the pipeline is affected by external substances, and the pipeline surface is prone to corrosion or damage, which may lead to pipeline damage. To prevent the above situation, protective cotton can be wrapped around the outside of the pipeline, or a protective coating can be sprayed.

[0003] In the existing technology, the spray quality of the protective coating is often related to the degree of adhesion between the outer surface of the pipe and the coating, and the degree of adhesion depends on the cleanliness of the outer surface of the pipe. In order to improve the cleanliness of the outer surface of the pipe, liquid is often used to flush the pipe, but this will cause liquid to remain on the outer surface of the pipe, resulting in a decrease in the adhesion of the coating. Utility Model Content

[0004] In view of this, the present invention aims to provide a pipeline coating drying treatment device before spraying, in order to solve at least one of the above-mentioned technical problems.

[0005] In order to achieve the above-mentioned purpose, the technical solution of the utility model is achieved as follows:

[0006] Pipeline coating pre-spray drying device, including:

[0007] A support frame, an annular support plate is fixed on the inner side of the support frame, an air inlet is opened on the annular support plate, and the air inlet is connected to the blower; stabilizing frames corresponding to the pipes to be dried are provided on both sides of the support frame;

[0008] A drying component is arranged on the inner side of the annular support plate, and a plurality of nozzles are fixed on the drying component. An air groove is opened on the outer wall of the drying component, and the nozzles are connected to the air groove. An air cavity is formed between the air groove and the inner wall of the annular support plate, and the air cavity is connected to the air inlet.

[0009] Furthermore, a placement groove matching the drying component is opened on the inner side wall of the annular support plate, and the inner side wall of the placement groove is tightly fitted with the outer side wall of the drying component.

[0010] Furthermore, the drying component is provided with a plurality of threaded holes evenly distributed along the circumference, the outer wall of the nozzle is provided with external threads corresponding to the threaded holes, and the nozzle is threadedly connected to the inner side of the threaded holes.

[0011] Furthermore, a connecting plate is fixedly provided on the support frame, the connecting plate is fixedly connected to the blower, and the air outlet of the blower is connected to the air inlet.

[0012] Furthermore, the end surface of the stabilizing frame corresponding to the pipe to be dried is an arc surface, a slide groove is provided on the arc surface, a corresponding slider is provided in the slide groove, and a roller is provided on the end surface of the slider away from the slide groove.

[0013] Furthermore, a fixing hole is formed on the sliding block, a fixing bolt is threadedly connected to the fixing hole, and one end of the fixing bolt passes through the fixing hole and tightens against the arc surface.

[0014] Furthermore, a plurality of drying cages are fixedly mounted on the annular support plate, the drying cages are located inside the air cavity, and dehumidification particles are placed inside the drying cages. Furthermore, a dustproof net is provided inside the nozzle.

[0015] Furthermore, the slider is provided in plurality, and a working position for supporting the pipe to be dried is formed between the rollers on the plurality of sliders.

[0016] Furthermore, the drying cages are evenly distributed in the air cavity along the circumference.

[0017] Compared with the prior art, the pipeline coating pre-spray drying treatment device described in the present invention has the following beneficial effects: after the pipeline passes through the drying component, the residual liquid on the outer surface is blown dry, thereby improving the coating spraying effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings, which constitute part of the present invention, are intended to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are intended to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 This is a schematic diagram of the overall structure of the drying treatment device described in the present utility model;

[0020] Figure 2 This is a partial structural diagram of the support frame described in the utility model;

[0021] Figure 3 This is a partial structural diagram of the drying component described in the present utility model.

[0022] Description of reference numerals:

[0023] 1. Support frame; 101. Annular support plate; 102. Air inlet; 103. Placement slot; 104. Connecting plate; 105. Drying cage; 2. Drying assembly; 201. Nozzle; 202. Air trough; 3. Stabilizing frame; 301. Slide; 302. Slider; 303. Roller; 4. Blower. DETAILED DESCRIPTION

[0024] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features therein can be combined with each other.

[0025] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply 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 limiting the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0026] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0027] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0028] like Figure 1-3 Shown: Pipeline coating drying treatment device before spraying, including:

[0029] A support frame 1, an annular support plate 101 is fixedly provided on the inner side of the support frame 1, an air inlet 102 is opened on the annular support plate 101, and the air inlet 102 is connected to the blower 4; stabilizing frames 3 corresponding to the pipes to be dried are provided on both sides of the support frame 1;

[0030] The drying component 2 is arranged on the inner side of the annular support plate 101. A plurality of nozzles 201 are fixed on the drying component 2. An air groove 202 is opened on the outer wall of the drying component 2. The nozzle 201 is connected to the air groove 202. An air cavity is formed between the air groove 202 and the inner wall of the annular support plate 101, and the air cavity is connected to the air inlet 102.

[0031] After the pipeline passes through the drying assembly 2, the residual liquid on the outer surface is blown dry, which improves the spraying effect of the coating. Air flows in from the air inlet 102, enters the nozzle 201 through the air cavity and is blown out. Under the action of the stabilizing frame 3, the pipeline maintains stable movement. The drying assembly surrounds the outside of the pipeline and there is no need to rotate the pipeline.

[0032] The inner wall of the annular support plate 101 is provided with a placement groove 103 that matches the drying component 2, and the inner wall of the placement groove 103 fits tightly with the outer wall of the drying component 2; in some embodiments, the placement groove 103 and the air groove 202 of the drying component 2 are replaced by other structures to allow air circulation, for example, the side wall of the drying component is directly welded to the inner wall of the placement groove, or, an annular baffle is used as the side wall of the air cavity, and the drying component and the annular support plate are fixedly connected to both sides of the baffle.

[0033] The drying component 2 is provided with a plurality of threaded holes evenly distributed along the circumference, and the outer wall of the nozzle 201 is provided with external threads corresponding to the threaded holes, and the nozzle 201 is threadedly connected to the inner side of the threaded hole; the replaceable nozzle is convenient for replacement when the nozzle is blocked. In some embodiments, the threaded nozzle can be replaced with other detachable structures, such as snaps, slots, etc.

[0034] A connecting plate 104 is fixedly provided on the support frame 1, and the connecting plate 104 is fixedly connected to the blower 4, and the air outlet of the blower 4 is connected to the air inlet 102; in some embodiments, the blower 4 can be welded to the support frame 1, or the blower 4 can be placed anywhere while ensuring connectivity.

[0035] The end surface of the stabilizing frame 3 corresponding to the pipe to be dried is an arc surface, and a slide groove 301 is provided on the arc surface. A corresponding slider 302 is provided in the slide groove 301, and a roller 303 is provided on the end surface of the slider 302 away from the slide groove 301. In order to improve the practicality of the device, the roller 303 is made into a movable structure through the slide groove 301 and the slider 302. When the diameter of the pipe changes, the angle between the rollers 303 is adjusted to adapt to pipes of different diameters.

[0036] In some embodiments, the end face of the stabilizing frame 3 corresponding to the pipe to be dried is a rectangular groove, the bottom face of the groove is provided with a slide groove, a corresponding slider is provided in the slide groove, a roller is provided on the end face of the slider away from the slide groove, a through hole is provided on the side wall of the groove, a moving rod is movably provided in the through hole, and the part of the moving rod located on the inner side of the groove is rotatably connected to the roller; when the drying pipe needs to be placed in the stabilizing frame, the bottom roller is adjusted to a suitable position by the slider to receive the pipe, and the roller on the side wall is adjusted to a suitable position by the moving rod to support the side of the pipe and realize stable movement of the pipe.

[0037] The slider 302 is provided with a fixing hole, wherein a fixing bolt is threadedly connected to the fixing hole, and one end of the fixing bolt passes through the fixing hole and presses against the arc surface.

[0038] A plurality of drying cages 105 are fixedly provided on the annular support plate 101. The drying cages 105 are located inside the air cavity. Dehumidification particles are placed inside the drying cages 105. The drying cages 105 are evenly distributed in the air cavity along the circumference. In some embodiments, the drying cages 105 are placed in the air inlet to reduce the humidity in the air at the air inlet end.

[0039] The nozzle 201 is provided with a dustproof net to reduce the dust content in the blown air, improve the viscosity during coating, and ensure the spraying quality.

[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or make equivalent replacements for some or all of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and description of the present invention.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. Pipeline coating pre-spray drying treatment device, characterized in that, include: A support frame (1), wherein an annular support plate (101) is fixedly provided on the inner side of the support frame (1), an air inlet (102) is provided on the annular support plate (101), and the air inlet (102) is connected to the blower (4); stabilizing frames (3) corresponding to the pipeline to be dried are provided on both sides of the support frame (1); A drying component (2) is provided on the inner side of the annular support plate (101), a plurality of nozzles (201) are fixedly provided on the drying component (2), an air groove (202) is provided on the outer side wall of the drying component (2), the nozzles (201) are communicated with the air groove (202), an air cavity is formed between the air groove (202) and the inner side wall of the annular support plate (101), and the air cavity is communicated with the air inlet (102).

2. The pipeline coating pre-spray drying treatment device according to claim 1, characterized in that: A placement groove (103) matching the drying component (2) is provided on the inner side wall of the annular support plate (101), and the inner side wall of the placement groove (103) is tightly fitted with the outer side wall of the drying component (2).

3. The pipeline coating pre-spray drying treatment device according to claim 1, characterized in that: The drying component (2) is provided with a plurality of threaded holes evenly distributed along the circumference, and the outer wall of the nozzle (201) is provided with external threads corresponding to the threaded holes, and the nozzle (201) is threadedly connected to the inner side of the threaded holes.

4. The pipeline coating pre-spray drying treatment device according to claim 1, characterized in that: A connecting plate (104) is fixedly provided on the support frame (1), the connecting plate (104) is fixedly connected to the blower (4), and the air outlet of the blower (4) is communicated with the air inlet (102).

5. The pipeline coating pre-spray drying treatment device according to claim 1, characterized in that: The end surface of the stabilizing frame (3) corresponding to the pipeline to be dried is an arc surface, a slide groove (301) is provided on the arc surface, a corresponding slider (302) is provided in the slide groove (301), and a roller (303) is provided on the end surface of the slider (302) away from the slide groove (301).

6. The pipeline coating pre-spray drying treatment device according to claim 5, characterized in that: The slider (302) is provided with a fixing hole, a fixing bolt is threadedly connected to the fixing hole, and one end of the fixing bolt passes through the fixing hole and tightens against the arc surface.

7. The pipeline coating pre-spray drying treatment device according to claim 1, characterized in that: A plurality of drying cages (105) are fixedly provided on the annular support plate (101), the drying cages (105) are located inside the air cavity, and dehumidification particles are placed inside the drying cages (105).

8. The pipeline coating pre-spray drying treatment device according to claim 1, characterized in that: A dustproof net is provided inside the nozzle (201).

9. The pipeline coating pre-spray drying treatment device according to claim 5, characterized in that: There are multiple sliders (302), and the rollers (303) on the multiple sliders (302) form working positions for carrying the pipes to be dried.

10. The pipeline coating pre-spray drying treatment device according to claim 7, characterized in that: The drying cages (105) are evenly distributed in the air cavity along the circumference.