Steel pipe spraying device for ocean freshwater engineering

By designing a steel pipe spraying device for marine freshwater engineering, a hot air blower and a telescopic channel are used to uniformly heat the surface of the steel pipe pile, solving the problem of the steel pipe pile being difficult to dry quickly after spraying, improving spraying efficiency and extending the service life of the steel pipe.

CN223847274UActive Publication Date: 2026-01-30XIANDA (TIANJIN) SEAWATER RESOURCES DEV CO LTD
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Patent Information

Application Number
CN202520142112.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2026-01-30
Estimated Expiration
2035-01-22

AI Technical Summary

Technical Problem

In marine and river corrosive environments, steel pipe piles are long and thick, with a large spraying area, and are not easy to dry quickly after spraying.

Method used

A steel pipe spraying device for marine freshwater engineering was designed, comprising a conveyor platform, a spraying chamber, and a drying assembly. The drying assembly consists of a fixed drying chamber and a movable drying chamber. Hot air is provided by a hot air blower, and uniform heating and rapid drying of the steel pipe pile surface are achieved by using a telescopic channel and an annular jet nozzle.

Benefits of technology

This technology enables rapid drying of the steel pipe pile surface, improves spraying efficiency, and extends the service life of the steel pipe.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a steel pipe spraying device for ocean fresh water engineering, which comprises a conveying table, the conveying table comprises a processing cavity, a spraying chamber is fixedly arranged in the processing cavity, an annular paint spraying piece is arranged in the spraying chamber, a drying assembly is further arranged in the processing cavity, and the annular paint spraying piece is arranged in the drying assembly. The drying assembly is used for drying the painted surface of the steel pipe pile; the drying assembly comprises a fixed drying chamber and a movable drying chamber. The telescopic channel can further extend the drying space, a communicating body of the telescopic channel, the fixed drying chamber and the movable drying chamber forms a complete heating channel, when the heating channel needs to be lengthened, the movable drying chamber can be pushed to move, the telescopic channel is lengthened, the heating channel is further lengthened, and therefore the drying space can be further lengthened. And paint on the surface of the pipe pile body can be further dried, and the sprayed surface of the pipe pile can be rapidly dried.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to a kind of steel pipe spraying device for ocean fresh water engineering, especially a kind of steel pipe spraying device for ocean fresh water engineering. BACKGROUND

[0002] In the corrosion environment of ocean and river, the structure such as steel pipe pile often adopts the way of spraying anticorrosive paint to protect. Spraying is an effective anticorrosion method, which can form a protective film on the surface of steel pipe, isolate seawater or fresh water and other corrosive media from direct contact with steel pipe, thereby prolonging the service life of steel pipe. Because the steel pipe pile is long and thick, it needs to be actively transported and supported during the process of spraying paint. During the process of spraying, the area to be sprayed is large due to the thickness of the steel pipe pile. After spraying, it is not convenient to quickly dry the surface of the steel pipe pile after spraying. SUMMARY

[0003] Therefore, the utility model aims at providing a steel pipe spraying device for ocean fresh water engineering to solve the problem that the steel pipe pile is long and thick, and needs to be actively transported and supported during the process of spraying paint. During the process of spraying, the area to be sprayed is large due to the thickness of the steel pipe pile. After spraying, it is not convenient to quickly dry the surface of the steel pipe pile after spraying.

[0004] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0005] A steel pipe spraying device for ocean fresh water engineering, comprising a conveying table, the conveying table comprises a processing cavity, a spraying chamber is fixedly installed in the processing cavity, an annular paint spraying element is arranged in the spraying chamber, and a drying assembly is further arranged in the processing cavity, the drying assembly is used for drying the surface of the steel pipe pile after spraying paint;

[0006] The drying assembly comprises a fixed drying chamber and a movable drying chamber, the fixed drying chamber is fixedly connected in the processing cavity, the movable drying chamber is slidingly connected to the top edge of the processing cavity, a telescopic channel is fixedly connected between the movable drying chamber and the fixed drying chamber, and a hot air assembly is arranged in the fixed drying chamber and the movable drying chamber, the hot air assembly is used for blowing hot air to the surface of the steel pipe pile.

[0007] Further, the hot air assembly comprises:

[0008] A hot air blower is fixedly installed on the top of the movable drying chamber or the fixed drying chamber, and an annular air jet head is fixedly connected to the inside of the movable drying chamber or the fixed drying chamber after the exhaust end of the hot air blower penetrates the movable drying chamber or the fixed drying chamber and extends.

[0009] Further, the annular air jet head comprises three exhaust boxes, the adjacent exhaust boxes are communicated through arc-shaped pipes, one of the exhaust boxes is fixedly communicated with the exhaust pipe end of the hot air machine, and exhaust ports are arranged at the exhaust ends of the three exhaust boxes.

[0010] Further, the arc-shaped pipes of the fixed drying chamber and the arc-shaped pipes of the movable drying chamber are communicated through a telescopic pipe, the telescopic pipe comprises a first pipe and a second pipe, the first pipe and the second pipe are fixedly communicated with the corresponding arc-shaped pipes, the first pipe is slidably sleeved on the surface of the second pipe, and first air outlets and second air outlets in linear array are arranged on the surfaces of the first pipe and the second pipe respectively, and the positions above the first air outlets and the second air outlets are in a communication state.

[0011] Further, the annular air jet head comprises three exhaust boxes, the adjacent exhaust boxes are communicated through arc-shaped pipes, one of the exhaust boxes is fixedly communicated with the exhaust pipe end of the hot air machine, and exhaust ports are arranged at the exhaust ends of the three exhaust boxes.

[0012] Further, the telescopic pipe comprises a first pipe and a second pipe, the first pipe and the second pipe are fixedly communicated with the corresponding arc-shaped pipes, the first pipe is slidably sleeved on the surface of the second pipe, and first air outlets and second air outlets in linear array are arranged on the surfaces of the first pipe and the second pipe respectively, and the positions above the first air outlets and the second air outlets are in a communication state.

[0013] Compared with the prior art, the steel pipe spraying device for ocean fresh water engineering has the following beneficial effects:

[0014] (1) The telescopic channel can further extend the drying space, the communication body of the telescopic channel, the fixed drying chamber and the movable drying chamber forms a complete heating channel, and when it is necessary to extend the heating channel, the movable drying chamber can be moved, the telescopic channel is lengthened, and the heating channel is further lengthened, so that the paint on the surface of the pipe pile body can be further dried, and the surface of the pipe pile after spraying can be quickly dried.

[0015] (2) In the process of drying the surface of the steel pipe pile after spraying paint, hot air is provided by the hot air machine, the hot air is injected into the annular air jet head through the discharge end, the annular air jet head blows hot air in multiple directions towards the surface of the steel pipe pile, the surface of the steel pipe pile is uniformly heated, and the surface of the pipe pile after spraying can be quickly dried.

[0016] The arc-shaped pipeline divides the hot air discharged by the hot air fan into the exhaust air box, and the hot air is discharged through the exhaust air outlet of the exhaust air box to dry the surface of the painted steel pipe pile in multiple directions.

[0017] By arranging the first pipeline and the second pipeline, the hot air in the arc-shaped pipeline is divided into the telescopic channel, and the hot air is directly blown into the telescopic channel through the first air outlet and the second air outlet, so that the surface of the steel pipe pile passing through the telescopic channel is heated and dried, thereby facilitating the maintenance of the drying strength of the entire drying channel. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings, which form a part of this description, are included to provide a further understanding of the application. The embodiments of the application and its features are illustrated in conjunction with the provided drawings and their description, which do not limit the application in any way. In the drawings:

[0019] Figure 1 FIG. 1 is a schematic diagram of the overall structure of a steel pipe spraying device for ocean fresh water engineering according to an embodiment of the present application;

[0020] Figure 2 FIG. 2 is a schematic diagram of the structure of a ring-shaped paint spraying element of a steel pipe spraying device for ocean fresh water engineering according to an embodiment of the present application;

[0021] Figure 3 FIG. 3 is a structural cross-sectional view of a fixed drying chamber and a movable drying chamber of a steel pipe spraying device for ocean fresh water engineering according to an embodiment of the present application;

[0022] Figure 4 FIG. 4 is a structural cross-sectional view of a telescopic pipe of a steel pipe spraying device for ocean fresh water engineering according to an embodiment of the present application;

[0023] Figure 5 FIG. 5 is a schematic diagram of two hot air assemblies of a steel pipe spraying device for ocean fresh water engineering according to an embodiment of the present application.

[0024] BRIEF DESCRIPTION OF DRAWINGS

[0025] 1 - conveying table; 101 - processing cavity; 2 - spraying chamber; 3 - ring-shaped paint spraying element; 301 - ring-shaped pipe; 302 - paint spraying head; 303 - external pipe; 4 - fixed drying chamber; 5 - movable drying chamber; 6 - telescopic channel; 7 - hot air fan; 8 - ring-shaped air jet head; 801 - exhaust air box; 802 - arc-shaped pipeline; 803 - exhaust air outlet; 9 - telescopic pipe; 901 - first pipeline; 902 - second pipeline; 903 - first air outlet; 904 - second air outlet; 10 - conveying frame; 11 - conveying roller; 12 - first gear; 13 - second gear; 14 - first motor; 15 - second motor; 16 - threaded rod; 17 - driving screw sleeve. DETAILED DESCRIPTION

[0026] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0027] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0028] In the description of the utility model, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0029] The utility model will be described in detail below with reference to the drawings and in combination with embodiments.

[0030] As shown in the drawings, Figures 1 to 5 In one embodiment, a marine fresh water engineering steel pipe spraying device, comprising a conveying table 1, the conveying table 1 includes two conveying frames 10, a plurality of linear array distribution conveying rollers 11 are rotatably connected on the two conveying frames 10, the end of the plurality of conveying rollers 11 is fixedly connected with first gear 12, second gear 13 is engaged between adjacent first gear 12, second gear 13 is rotatably connected on the conveying frame 10, the surface of the two conveying frames 10 is fixedly installed with first motor 14, the output end of the two first motors 14 is fixedly connected with the end of the conveying roller 11 on the two conveying frames 10 respectively;

[0031] It should be understood that before the paint is dried, the steel pipe pile is conveyed into the processing cavity 101 through the conveying roller 11, the power of the conveying roller 11 is provided by the first motor 14, and the conveying roller 11 is driven under the meshing of the first gear 12 and the second gear 13, so that the steel pipe pile is conveyed.

[0032] The conveying table 1 comprises a processing cavity 101, a spraying chamber 2 is fixedly installed in the processing cavity 101, an annular paint spraying part 3 is arranged in the spraying chamber 2, the annular paint spraying part 3 comprises an annular pipe 301, the annular pipe 301 is fixedly connected to the inside of the spraying chamber 2, a plurality of annularly arrayed paint spraying heads 302 are fixedly connected to the surface of the annular pipe 301, an external connecting pipe 303 is fixedly connected to the top of the annular pipe 301, and the top end of the external connecting pipe 303 extends to the outside of the spraying chamber 2 after penetrating through the spraying chamber 2.

[0033] It should be understood that during the spraying process, the external connecting pipe 303 is communicated with a pump machine for pumping paint, the paint is pumped into the external connecting pipe 303, and then is injected into the plurality of paint spraying heads 302 under the distribution of the annular pipe 301, so that the paint is sprayed onto the surface of the steel pipe pile conveyed through the paint spraying heads 302.

[0034] The processing cavity 101 is also provided with a drying assembly for drying the surface of the steel pipe pile sprayed with paint; the drying assembly comprises a fixed drying chamber 4 and a movable drying chamber 5, the fixed drying chamber 4 is fixedly connected in the processing cavity 101, the movable drying chamber 5 is slidably connected to the top edge of the processing cavity 101, the movable drying chamber 5 and the fixed drying chamber 4 are fixedly connected with an extension passage 6, and the fixed drying chamber 4 and the movable drying chamber 5 are both provided with a hot air assembly for blowing hot air to the surface of the steel pipe pile.

[0035] The hot air assembly comprises a hot air machine 7, the hot air machine 7 is fixedly installed at the top of the movable drying chamber 5 or the fixed drying chamber 4, and the exhaust end of the hot air machine 7 is fixedly connected with an annular air jet head 8 after penetrating through the movable drying chamber 5 or the fixed drying chamber 4 and extending to the inside of the movable drying chamber 5 or the fixed drying chamber 4.

[0036] It should be understood that during the drying process of the surface of the steel pipe pile sprayed with paint, hot air is provided by the hot air machine 7, the hot air is injected into the annular air jet head 8 through the exhaust end, the annular air jet head 8 blows hot air to multiple directions of the surface of the steel pipe pile, so that the surface of the steel pipe pile is uniformly heated, and the surface of the steel pipe pile after spraying is quickly dried.

[0037] It should be further explained that the telescopic channel 6 can further extend the drying space, the communication of the telescopic channel 6, the fixed drying chamber 4 and the movable drying chamber 5 forms a complete heating channel, and when it is needed to extend the heating channel, the movable drying chamber 5 can be pushed to move, the telescopic channel 6 is lengthened, and the heating channel is further lengthened, which is beneficial to further drying the paint on the surface of the pipe pile and facilitates rapid drying of the surface of the pipe pile after spraying.

[0038] The top of the conveying table 1 is provided with a threaded driving assembly for driving the movable drying chamber 5 to move, which comprises a second motor 15 fixedly installed on the top of the conveying table 1, a threaded rod 16 fixedly connected to the output end of the second motor 15, the threaded rod 16 being rotatably connected to the top of the conveying table 1, and a driving sleeve 17 threadedly connected to the surface of the threaded rod 16, the driving sleeve 17 being fixedly connected to the surface of the movable drying chamber 5.

[0039] It should be understood that when it is needed to move the movable drying chamber 5, the second motor 15 is started, the second motor 15 drives the threaded rod 16 to rotate, the threaded rod 16 threadedly drives the driving sleeve 17 to move, and the driving sleeve 17 synchronously drives the movable drying chamber 5 to move.

[0040] As shown in Figure 3 and Figure 5 , in one embodiment, the annular air jet head 8 comprises three exhaust boxes 801, the three exhaust boxes 801 are communicated through arc-shaped pipelines 802 between adjacent ones, one of the three exhaust boxes 801 is fixedly communicated with the exhaust pipe end of the hot air blower 7, and the exhaust ends of the three exhaust boxes 801 are provided with exhaust ports 803.

[0041] It should be understood that the arc-shaped pipelines 802 divide the hot air discharged from the hot air blower 7 into the exhaust boxes 801, and the hot air is discharged through the exhaust ports 803 of the exhaust boxes 801 to dry the surface of the steel pipe pile sprayed with paint in multiple directions.

[0042] As shown in Figure 3 , Figure 4 and Figure 5 , in one embodiment, the arc-shaped pipeline 802 of the fixed drying chamber 4 and the arc-shaped pipeline 802 of the movable drying chamber 5 are communicated through a telescopic pipe 9, the telescopic pipe 9 comprises a first pipeline 901 and a second pipeline 902, the first pipeline 901 and the second pipeline 902 are fixedly communicated with the corresponding arc-shaped pipelines 802, respectively, the first pipeline 901 is slidably sleeved on the surface of the second pipeline 902, and the surfaces of the first pipeline 901 and the second pipeline 902 are respectively provided with linearly arrayed first air outlets 903 and second air outlets 904, the positions above the first air outlets 903 and the second air outlets 904 are in a communication state.

[0043] It should be understood that by setting the first pipe 901 and the second pipe 902, the hot air in the arc-shaped pipe 802 is branched to the inside of the telescopic channel 6, and the hot air is directly blown to the inside of the telescopic channel 6 through the first air outlet 903 and the second air outlet 904, so that the surface of the steel pipe pile passing through the telescopic channel 6 is heated and dried, thereby being beneficial to maintaining the drying intensity of the whole heating channel;

[0044] And when the whole drying channel is lengthened, the telescopic pipe 9 can be adaptively lengthened according to the length change of the telescopic channel 6, and the number of the air outlets will increase with the length of the telescopic pipe 9.

[0045] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A marine fresh water engineering steel pipe spraying device comprising a conveyor table (1), characterized in that: The conveying table (1) comprises a machining cavity (101), a spraying chamber (2) is fixedly installed in the machining cavity (101), an annular paint spraying part (3) is arranged in the spraying chamber (2), and a drying assembly is further arranged in the machining cavity (101) and used for drying the surface of the steel pipe pile after spraying paint; The drying assembly comprises a fixed drying chamber (4) and a movable drying chamber (5), the fixed drying chamber (4) is fixedly connected in the machining cavity (101), the movable drying chamber (5) is slidingly connected to the top edge of the machining cavity (101), a telescopic channel (6) is fixedly connected between the movable drying chamber (5) and the fixed drying chamber (4), and hot air assemblies are arranged in the fixed drying chamber (4) and the movable drying chamber (5) and used for blowing hot air to the surface of the steel pipe pile.

2. A marine and freshwater engineering steel pipe spraying device according to claim 1, characterized in that: The hot air assembly comprises: A hot air machine (7) is fixedly installed at the top of the movable drying chamber (5) or the fixed drying chamber (4), an annular air jet head (8) is fixedly connected to the exhaust end of the hot air machine (7) and extends to the inside of the movable drying chamber (5) or the fixed drying chamber (4).

3. A marine and freshwater engineering steel pipe spraying device according to claim 2, characterized in that: The annular air jet head (8) comprises three exhaust boxes (801), the adjacent exhaust boxes (801) are connected through arc-shaped pipelines (802), one exhaust box (801) is fixedly connected to the exhaust pipe end of the hot air machine (7), and exhaust ports (803) are arranged at the exhaust ends of the three exhaust boxes (801).

4. A steel pipe spraying device for ocean fresh water engineering according to claim 3, characterized in that: The arc-shaped pipelines (802) of the fixed drying chamber (4) and the movable drying chamber (5) are connected through a telescopic pipe (9), the telescopic pipe (9) comprises a first pipeline (901) and a second pipeline (902), the first pipeline (901) and the second pipeline (902) are fixedly connected to the corresponding arc-shaped pipelines (802), the first pipeline (901) is slidingly sleeved on the surface of the second pipeline (902), first air outlet holes (903) and second air outlet holes (904) are linearly arranged on the surfaces of the first pipeline (901) and the second pipeline (902), and the positions above the first air outlet holes (903) and the second air outlet holes (904) are in a connected state.

5. A steel pipe spraying device for ocean fresh water engineering according to any one of claims 1 to 4, characterized in that: The annular paint spraying part (3) comprises an annular pipe (301), the annular pipe (301) is fixedly connected to the inside of the spraying chamber (2), a plurality of annularly arranged paint spraying heads (302) are fixedly connected to the surface of the annular pipe (301), an external connecting pipe (303) is fixedly connected to the top of the annular pipe (301), and the external connecting pipe (303) extends to the outside of the spraying chamber (2) after penetrating through the spraying chamber (2).

6. A marine and freshwater engineering steel pipe spraying device according to claim 5, characterized in that: The conveying table (1) comprises two conveying frames (10), a plurality of linear array distribution conveying rollers (11) are rotatably connected on the two conveying frames (10), the end portions of the plurality of conveying rollers (11) are fixedly connected with first gears (12), second gears (13) are engaged between adjacent first gears (12), the second gears (13) are rotatably connected on the conveying frames (10), first motors (14) are fixedly installed on the surfaces of the two conveying frames (10), and the output ends of the two first motors (14) are fixedly connected with the end portions of the conveying rollers (11) on the two conveying frames (10) respectively.