Steel pipe inner anti-corrosion layer spraying device capable of recycling anti-corrosion powder
By introducing a dust collection system into the spraying equipment, the problem of powder pollution was solved, achieving environmentally friendly and efficient spraying of the anti-corrosion layer inside steel pipes and improving product quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-03-10
AI Technical Summary
The existing steel pipe internal anti-corrosion coating spraying equipment lacks powder recovery components, resulting in powder pollution of the environment and affecting product quality.
A dust collection box and a dust collection port are installed in the spraying device. The dust collection pipe is connected to the exhaust fan to adsorb the powder generated during the spraying process and form a dust collection surface to collect the powder.
It effectively reduces environmental pollution, improves product quality, and ensures that the coating material evenly covers the inner wall of the steel pipe.
Smart Images
Figure CN223980656U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of steel pipe processing equipment, specifically to a device for spraying anti-corrosion coating inside steel pipes. Background Technology
[0002] A steel pipe internal anti-corrosion coating spraying device includes a main body (hereinafter referred to as the device body), which in turn includes a frame. A spray head connected to a telescopic component is mounted on the frame. A raw material silo is located on the frame and holds the anti-corrosion spraying material. This material solidifies on the wall of the steel pipe to form an anti-corrosion layer. The raw material silo is connected to the spray head via a conveying pipe, in which a conveying pump is installed. Multiple sets of rollers, arranged from left to right, are also mounted on the frame. Each set of rollers includes a front roller and a rear roller, and these rollers are connected to a roller motor. In use, the steel pipe is placed on the rollers, and the spray head is inserted into the steel pipe. The anti-corrosion spraying material sprayed from the head solidifies on the wall of the steel pipe to form an anti-corrosion layer. As the telescopic component extends and retracts, different parts of the steel pipe's interior can be sprayed, resulting in the formation of an anti-corrosion layer inside the pipe.
[0003] In the existing technology, the device body does not have a component for recovering the powder formed inside the steel pipe. The powder is formed by the sprayed anti-corrosion material and is in a floating state inside the steel pipe. On the one hand, much of this powder eventually falls into the surrounding environment, polluting the environment; on the other hand, much of the powder falls on the anti-corrosion layer that has already formed inside the steel pipe, forming a loose and uneven anti-corrosion layer, which affects product quality. Summary of the Invention
[0004] The purpose of this invention is to address the aforementioned shortcomings by providing a steel pipe internal anti-corrosion coating spraying device that reduces environmental pollution and improves product quality—a steel pipe internal anti-corrosion coating spraying device with anti-corrosion powder recovery.
[0005] The technical solution of this utility model is implemented as follows: A steel pipe internal anti-corrosion coating spraying device for recovering anti-corrosion powder includes a steel pipe internal anti-corrosion coating spraying device body, hereinafter referred to as the device body. The device body further includes a device frame, on which a spraying head connected by a telescopic component is installed. A raw material silo is located on the device frame; the raw material silo is a component for holding the spraying material. The spraying material solidifies on the wall of the steel pipe to form an anti-corrosion layer. The raw material silo is connected to the spraying head via a conveying pipe, in which a conveying pump is installed. Multiple sets of rollers from left to right are also installed on the device frame. Each set of rollers… It includes a front roller and a rear roller, which are connected to a roller motor. In use, the steel pipe is placed on multiple sets of rollers, and the spray head is inserted into the steel pipe. The material sprayed from the spray head solidifies on the wall of the steel pipe to form an anti-corrosion layer. As the telescopic components extend and retract, different parts inside the steel pipe can be sprayed, thus forming an anti-corrosion layer inside the steel pipe. Its characteristic is that a dust collection box is also installed on the device frame, containing dust collection material. A dust collection port is also installed on the side of the spray head, and the dust collection port is connected to the dust collection box by a dust collection pipe, with an exhaust fan installed in the middle of the dust collection pipe.
[0006] Furthermore, the spray head has multiple connecting rods on its side, which are connected to the right end of the telescopic component via crossbars. There are multiple dust suction ports, which are installed on the connecting rods and evenly arranged to form a dust suction surface.
[0007] Furthermore, the dust-collecting surface includes a left dust-collecting surface installed on the left side of the spray head and a right dust-collecting surface installed on the right side of the spray head.
[0008] The beneficial effects of this utility model are: such a steel pipe internal anti-corrosion coating spraying device has the advantages of reducing environmental pollution and improving product quality. Attached Figure Description
[0009] Figure 1 This is a schematic diagram of the longitudinal section structure of this utility model.
[0010] Figure 2 yes Figure 1 A schematic diagram of the cross-sectional structure along the A-A direction.
[0011] Figure 3 yes Figure 1 A schematic diagram of the cross-sectional structure along the B-B direction.
[0012] Figure 4 yes Figure 1 A schematic diagram of the cross-sectional structure along the C-C direction.
[0013] The components include: 1. Frame; 2. Telescopic component; 22. Crossbar; 3. Spray head; 4. Raw material silo; 5. Conveying pipe; 6. Conveying pump; 7. Roller; 71. Front roller; 72. Rear roller; 73. Roller motor; 8. Dust collection box; 81. Dust collection port; 82. Dust collection pipe; 83. Exhaust fan; 84. Connecting rod; 85. Left dust collection surface; 86. Right dust collection surface; 10. Steel pipe. Detailed Implementation
[0014] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments; the components of the embodiments of this utility model described and shown in the accompanying drawings can be arranged and designed in various different configurations.
[0015] like Figure 1 , 2 As shown in Figures 3 and 4, the anti-corrosion coating device for steel pipe internal anti-corrosion layer recovery includes a main body of the device, referred to as the device body. The device body includes a frame 1, on which a spray head 3 connected by a telescopic component 2 is installed. A raw material silo 4 is located on the frame, which holds the coating material. The coating material solidifies on the wall of the steel pipe 10 to form an anti-corrosion layer. The raw material silo is connected to the spray head via a conveying pipe 5, which is telescopic. A conveying pump 6 is installed in the middle of the conveying pipe. Multiple sets of rollers 7, arranged from left to right, are also installed on the frame. Each set of rollers... The wheel includes a front roller 71 and a rear roller 72, which are connected to a roller motor 73. In use, the steel pipe is placed on multiple sets of rollers, and the spray head is inserted into the steel pipe. The material sprayed by the spray head solidifies on the wall of the steel pipe to form an anti-corrosion layer. As the telescopic component extends and retracts, different parts inside the steel pipe can be sprayed, thus forming an anti-corrosion layer inside the steel pipe. The device is characterized by having a dust collection box 8 installed on the frame, which contains dust collection material. A dust collection port 81 is also installed on the side of the spray head. The dust collection port is connected to the dust collection box by a dust collection pipe 82, and an exhaust fan 83 is installed in the middle of the dust collection pipe.
[0016] In use, the steel pipe 10 is placed between the front roller 71 and the rear roller 72, with the length of the steel pipe set horizontally. The telescopic component is inserted into the right side of the steel pipe. The delivery pump is started, and the coating material is sprayed from the spray head. The motor is started, which makes the rollers rotate, driving the steel pipe to rotate and spray the coating material into the inside of the steel pipe. The telescopic component gradually retracts, and the spray head gradually moves to the left inside the steel pipe, which can achieve the spraying of the anti-corrosion layer on various parts of the steel pipe. The exhaust fan is started, which can absorb the powder formed inside the steel pipe into the dust collection box. The dust collection material can absorb these powders, such as cotton yarn.
[0017] In one technical solution, the pressure or speed of the spray nozzle is greater than the suction force or suction speed of the dust extraction port. For example, the spray nozzle sprays at a speed of 20 meters per second, while the suction force of the dust extraction port can reach 10 meters per second.
[0018] This design ensures that the sprayed coating material reaches the wall of the steel pipe and does not flow back to the dust extraction port without passing through the wall of the steel pipe.
[0019] In one technical solution, the dust collection box has an outlet, and the gas containing powder that first enters the dust collection box from the dust collection pipe is discharged from the outlet through the dust collection material.
[0020] Furthermore, the spray head has multiple connecting rods 84 on its side, which are connected to the right end of the telescopic component via a crossbar 22. There are multiple dust suction ports, which are installed on the connecting rods and evenly arranged to form a dust suction surface.
[0021] Furthermore, the dust-collecting surface includes a left dust-collecting surface 85 installed on the left side of the spray head and a right dust-collecting surface 86 installed on the right side of the spray head.
[0022] The above-mentioned features of this invention ensure a better powder removal effect.
[0023] In the description of the embodiments of this utility model, it should be noted that the orientations or positional relationships indicated by terms such as "up," "down," "horizontal," "left," and "right" are based on the orientations or positional relationships shown in the accompanying drawings, or the orientations or positional relationships commonly used when the product is in use. These are merely for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0024] The above description is only a specific embodiment of the present utility model, but the structural features of the present utility model are not limited thereto. Any changes or modifications made by those skilled in the art within the scope of the present utility model are covered by the patent scope of the present utility model.
Claims
1. A steel pipe anticorrosion layer spraying device for recovering anticorrosive powder, comprising a steel pipe anticorrosion layer spraying device body, referred to as device body, the device body comprises a device frame, a spraying head connected by a telescopic component is installed on the device frame, and a raw material bin is arranged on the device frame, the raw material bin is a component for containing spraying material, the spraying material is condensed on the wall of the steel pipe to form an anticorrosion layer, the raw material bin is connected with the spraying head through a conveying pipeline, a conveying pump is arranged in the pipeline, a plurality of groups of rollers from left to right are further arranged on the device frame, each group of rollers comprises a front roller and a rear roller, and the rollers are connected with a roller motor; in use, the steel pipe is placed on the plurality of groups of rollers, the spraying head is inserted into the steel pipe, the material sprayed by the spraying head is condensed on the wall of the steel pipe to form an anticorrosion layer, and different parts in the steel pipe can be sprayed by telescoping of the telescopic component, so that the anticorrosion layer is formed in the steel pipe; characterized in that: The device frame is also provided with a dust suction box, which is provided with a dust suction material, and a dust suction port is arranged on the side of the spraying head, which is connected with the dust suction box through a dust suction pipeline, and a suction fan is arranged in the middle of the dust suction pipeline.
2. A steel pipe internal anti-corrosion coating spraying device for recovering an anti-corrosion powder according to claim 1, characterized in that: A plurality of connecting rods are arranged on the side of the spraying head, which are connected with the right end of the telescopic part through a cross rod, and a plurality of dust suction ports are arranged on the connecting rods and uniformly arranged, which form a dust suction surface.
3. A steel pipe internal anti-corrosion coating spraying device for recovering an anti-corrosion powder according to claim 2, characterized in that: The dust suction surface comprises a left dust suction surface arranged on the left side of the spraying head and a right dust suction surface arranged on the right side of the spraying head.