Steel pipe spraying equipment with protective structure

By introducing a protective structure into the plastic-coated steel pipe spraying equipment, and utilizing air pressure difference and multi-stage filtration design, the problem of particulate matter diffusion during the spraying process is solved, achieving the sealing and air purification effects of the equipment, protecting the operating environment and improving equipment maintenance efficiency.

CN223517796UActive Publication Date: 2025-11-07YANCHENG RUISHA ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202423206490.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-11-07
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

Existing plastic-coated steel pipe spraying equipment cannot effectively cover the entire spraying area with the particulate matter generated during the spraying process, causing the particulate matter to spread inside and outside the spraying box, endangering the health of operators.

Method used

A spraying device with a protective structure was designed, including components such as a funnel, air duct, shell, inclined plate and filter plate. By utilizing air pressure difference and gravity design, air sealing and multi-stage filtration are achieved to prevent particulate matter from leaking into the outside world and ensure air purification effect.

Benefits of technology

It effectively prevents epoxy resin microparticles from leaking into the outside world, protects the safety and cleanliness of the operating environment, reduces the frequency of equipment maintenance, and ensures the cleanliness of the exhaust air.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223517796U_ABST
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Abstract

The utility model relates to the technical field of plastic-coated steel pipe production equipment, and discloses steel pipe spraying equipment with a protection structure, which comprises a cabinet body, the top of the cabinet body is fixedly connected with a cover body, a spraying assembly is arranged in the cabinet body, and the protection structure is arranged in the cabinet body. And a protection assembly is arranged in the cabinet body. According to the steel pipe spraying equipment with the protection structure, air above the funnel is sucked into the funnel through the air pressure difference, air between the cover body and the cabinet body is prevented from being dissipated into the external environment from the circular groove, the sealing effect is improved, air with epoxy resin microparticles is prevented from leaking to the outside, and the safety and cleanliness of the operation environment are protected; due to the inclined design of the first inclined plate, the particles naturally slide down through gravity, the particles are prevented from being accumulated on the first inclined plate, and the particles can be conveniently treated or reused after being collected in a centralized mode and are prevented from being scattered in the cabinet body or in the surrounding environment.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a plastic coated steel pipe production equipment technical field, specifically is a kind of spraying equipment for steel pipe with protective structure. BACKGROUND

[0002] Plastic coated steel pipe, also known as plastic coated pipe, steel-plastic composite pipe and plastic coated steel pipe, is a steel-plastic composite pipe with a plastic corrosion-resistant layer fused on the inner surface of the steel pipe through spraying, rolling, dipping or absorbing process. The plastic coated steel pipe has excellent corrosion resistance and relatively small frictional resistance. The epoxy resin coated steel pipe is suitable for conveying water, seawater, warm water, oil and gas. The polyvinyl chloride coated steel pipe is suitable for conveying water, seawater, oil and gas. The coated steel pipe has higher corrosion resistance.

[0003] According to the disclosed plastic coated steel pipe environment-friendly spraying equipment (publication number: CN216826797U), the above-mentioned application includes a spraying box, a clamping and rotating device is arranged in the spraying box, a through groove is provided on the top of the spraying box, a row of absorption pipes is connected in the through groove, the absorption pipes are used to absorb odors and toxic gases, a support is connected to the spraying box, and a group of spray heads are slidably connected to the support. The group of spray heads pass through the through groove downward.

[0004] However, the above-mentioned spraying equipment is exposed to the environment during the spraying process. The air suction member is located on one side of the device, and only the air around the air suction pipe can be purified. The air away from the air suction member cannot be filtered, the entire spraying area cannot be effectively covered, and the particulate matter generated during the spraying process can spread inside and outside the spraying box. Long-term exposure may have adverse effects on health, such as respiratory problems or poisoning risk. In view of this, we propose a spraying equipment for steel pipe with protective structure. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a spraying equipment for steel pipe with protective structure to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a spraying equipment for steel pipe with protective structure, comprising a cabinet body, a cover body is fixedly connected to the top of the cabinet body, a circular groove is formed in the side wall of the cabinet body, a spraying assembly is arranged in the interior of the cabinet body, a protective assembly is arranged in the interior of the cabinet body, and the protective assembly comprises:

[0007] A funnel is fixedly connected to the inner wall of the cabinet body, an air inlet slot is formed in the side wall of the cabinet body, and an air outlet slot is formed in the side wall of the cabinet body.

[0008] A wind pipe is arranged in the interior of the cabinet body, a motor two is fixedly connected to the bottom surface of the interior of the cabinet body, and an output shaft of the motor two is fixedly connected with a turbofan.

[0009] A shell is arranged on the bottom surface of the interior of the cabinet body, a side wall of the shell is fixedly connected with an inclined plate one, and a filter hole is formed in the outer wall of the inclined plate one.

[0010] Preferably, the funnel is provided with a large-diameter end and a small-diameter end, an inclined surface is arranged at the bottom of the small-diameter end of the wind pipe, the wind pipe is connected with the air inlet slot, and the interior of the shell is connected with the air outlet slot.

[0011] Preferably, the bottom surface of the interior of the cabinet body is provided with a collection box, and a cabinet door is hingedly connected to the outer wall of the cabinet body, so that the epoxy resin can be collected by placing the collection box.

[0012] Preferably, the inner wall of the shell is fixedly connected with an inclined plate two, one end of the inclined plate two away from the inclined plate one is fixedly connected with a flat plate, the flat plate is connected with the air outlet slot, and the upper surface of the inclined plate two is fixedly connected with a filter plate.

[0013] Preferably, the spraying assembly comprises a feeding pipe, the feeding pipe is sleeved with the outer wall of the cabinet body, the feeding pipe is fixedly connected with the arc-shaped frame, the inner wall of the arc-shaped frame is fixedly connected with a spraying nozzle, the arc-shaped frame is hollow, the feeding pipe is connected with the spraying nozzle, the number of the spraying nozzles is three groups, and the three groups of spraying nozzles spray the outer wall of the steel pipe without dead angle.

[0014] Preferably, the inner wall of the cabinet body is provided with a conveying assembly, the conveying assembly comprises a motor one, the motor one is fixedly connected to the outer wall of the cabinet body, an output end of the motor one is fixedly connected with a rotating shaft, the side wall of the rotating shaft is fixedly connected with a conducting roller, the inner wall of the cabinet body is rotatably connected with a rotating rod, the side wall of the rotating rod is fixedly connected with a conducting roller, the outer walls of the rotating shaft and the rotating rod are fixedly connected with a belt pulley, the belt pulley is drivingly connected with a belt, the stability of the movement of the steel pipe is improved, and the steel pipe is uniformly sprayed by the spraying assembly.

[0015] Compared with the prior art, the steel pipe spraying equipment with the protection structure has the following beneficial effects:

[0016] 1. The steel pipe spraying equipment with a protective structure, through the setting of the protection assembly, air above the funnel is sucked into the funnel by using the air pressure difference, air between the cover body and the cabinet body is prevented from escaping from the circular groove to the external environment, the sealing effect is improved, air with epoxy resin particles is prevented from leaking to the outside, the safety and cleanliness of the operation environment are protected, the inclined design of the inclined plate one utilizes gravity to make the particles naturally slide, accumulation of the particles on the inclined plate one is avoided, equipment maintenance frequency and difficulty are reduced, after centralized collection, the particles can be conveniently treated or reused, and the particles are avoided from scattering in the cabinet body or the surrounding environment.

[0017] 2. The steel pipe spraying equipment with a protective structure, through the setting of the inclined plate two and the filter plate, waste gas is subjected to secondary filtration, extremely small epoxy resin particles that are not intercepted in the first filtration can be captured, harmful particulate matter emission is further reduced, and the discharged air is ensured to be cleaner. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic diagram of the main body structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the internal structure of the cabinet body of the utility model;

[0020] Figure 3 It is a schematic diagram of the cabinet body section structure of the utility model;

[0021] Figure 4 It is a schematic diagram of the shell section structure of the utility model.

[0022] In the drawing: 1, cabinet body; 2, cover body; 3, circular groove; 4, spraying assembly; 401, feeding pipe; 402, arched frame; 403, spraying nozzle; 5, conveying assembly; 501, motor one; 502, rotating shaft; 503, conducting roller; 504, rotating rod; 505, belt; 6, protection assembly; 601, funnel; 602, air inlet slot; 603, air outlet slot; 604, air pipe; 605, inclined surface; 606, shell; 607, inclined plate one; 608, filter hole; 609, collection box; 610, turbofan; 611, motor two; 7, cabinet door; 8, inclined plate two; 9, flat plate; 10, filter plate. DETAILED DESCRIPTION

[0023] As Figures 1-4The utility model provides a kind of technical scheme shown in the utility model discloses a kind of spraying equipment with protective structure for steel pipe, including cabinet 1, the top of cabinet 1 is fixedly connected with cover 2, the sidewall of cabinet 1 is equipped with circular groove 3, the inside of cabinet 1 is provided with spraying assembly 4, the inside of cabinet 1 is provided with protective assembly 6, protective assembly 6 includes funnel 601, air inlet slot 602, air outlet slot 603, air pipe 604, oblique surface 605, shell 606, inclined plate one 607, filter hole 608, collection box 609, turbofan 610, motor two 611.

[0024] In an embodiment of the utility model, funnel 601 is fixedly connected in the inner wall of cabinet 1, the sidewall of cabinet 1 is equipped with air inlet slot 602, the sidewall of cabinet 1 is equipped with air outlet slot 603, air pipe 604 is arranged in the inside of cabinet 1, the inside bottom surface of cabinet 1 is fixedly connected with motor two 611, the output shaft of motor two 611 is fixedly connected with turbofan 610, funnel 601 is provided with large-diameter end and small-diameter end, oblique surface 605 is arranged at the bottom of small-diameter end of air pipe 604, air pipe 604 is communicated with air inlet slot 602, the inside of shell 606 is communicated with air outlet slot 603.

[0025] Shell 606 is arranged in the inside bottom surface of cabinet 1, the sidewall of shell 606 is fixedly connected with inclined plate one 607, filter hole 608 is arranged in the outer wall of inclined plate one 607, the inside bottom surface of cabinet 1 is provided with collection box 609, the outer wall of cabinet 1 is hinged with cabinet door 7, by being placed with collection box 609, epoxy resin is collected.

[0026] Spraying assembly 4 includes feed pipe 401, feed pipe 401 is sleeved with the outer wall of cabinet 1, feed pipe 401 is fixedly connected with arch-shaped frame 402, the inner wall of arch-shaped frame 402 is fixedly connected with spraying nozzle 403, arch-shaped frame 402 is provided as hollow, feed pipe 401 is communicated with spraying nozzle 403, the number of spraying nozzle 403 is provided with three groups, three groups of spraying nozzle 403 are uniformly sprayed to the outer wall of steel pipe without dead angle.

[0027] The inner wall of cabinet 1 is provided with conveying assembly 5, conveying assembly 5 includes motor one 501, motor one 501 is fixedly connected on the outer wall of cabinet 1, the output end of motor one 501 is fixedly connected with rotating shaft 502, the sidewall of rotating shaft 502 is fixedly connected with conduction roller 503, the inner wall of cabinet 1 is rotatably connected with rotating rod 504, the sidewall of rotating rod 504 is fixedly connected with conduction roller 503, the outer wall of rotating shaft 502 and rotating rod 504 is fixedly connected with belt pulley, belt pulley is drivingly connected with belt 505, improve the stability of steel pipe movement, make steel pipe be evenly sprayed by spraying assembly 4.

[0028] The motor two 611 drives the turbofan 610 to rotate, air is brought from the outside of the cabinet 1 to the air pipe 604, and then the airflow passes below the small diameter end of the hopper 601, at this time, a low pressure area is formed below the hopper 601, air above the hopper is sucked into the hopper 601, air between the cover 2 and the cabinet 1 is prevented from escaping to the outside environment from the circular groove 3, the sealing effect is improved, air containing epoxy resin micro-particles is prevented from leaking to the outside, and the safety and cleanness of the operating environment are protected.

[0029] Then the epoxy resin micro-particles are intercepted by the inclined plate one 607, and air is discharged from the cabinet 1 through the filter hole 608 and the air outlet 603; due to the inclination of the inclined plate one 607, the intercepted epoxy resin micro-particles fall into the collection box 609 under the action of gravity; the inclined design of the inclined plate one 607 utilizes gravity to make the particles naturally slide, so that the particles are prevented from accumulating on the inclined plate one 607, the frequency and difficulty of equipment maintenance are reduced, the concentrated collection can be conveniently treated or reused, and the particles are prevented from scattering in the cabinet 1 or the surrounding environment.

[0030] In addition, the inner wall of the shell 606 is fixedly connected with the inclined plate two 8, one end, away from the inclined plate one 607, of the inclined plate two 8 is fixedly connected with the flat plate 9, the flat plate 9 is in communication with the air outlet 603, and the upper surface of the inclined plate two 8 is fixedly connected with the filter plate 10; through secondary filtration, extremely small epoxy resin micro-particles that are not intercepted in the first filtration can be captured, harmful particulate matter emission is further reduced, and the discharged air is ensured to be cleaner.

[0031] In the utility model, in use, the motor two 611 drives the turbofan 610 to rotate, air is brought from the outside of the cabinet 1 to the air pipe 604, the airflow passes below the small diameter end of the hopper 601, air above the hopper is sucked into the hopper 601, air between the cover 2 and the cabinet 1 is prevented from escaping to the outside environment from the circular groove 3, the inclined design of the inclined plate one 607 utilizes gravity to make the particles naturally slide, and the epoxy resin micro-particles fall into the collection box 609 under the action of gravity.

[0032] The above is a detailed description of the utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A spraying device for steel pipes with a protective structure, comprising a cabinet (1), a cover (2) fixedly connected to the top of the cabinet (1), a circular groove (3) formed on the side wall of the cabinet (1), and a spraying assembly (4) disposed inside the cabinet (1), characterized in that: The inside of the cabinet (1) is provided with a protection assembly (6), the protection assembly (6) comprises: Funnel (601), the funnel (601) is fixedly connected to the inner wall of the cabinet (1), the side wall of the cabinet (1) is provided with an air inlet slot (602), the side wall of the cabinet (1) is provided with an air outlet slot (603); Air pipe (604), the air pipe (604) is arranged in the inside of the cabinet (1), the inside bottom surface of the cabinet (1) is fixedly connected with motor two (611), the output shaft of the motor two (611) is fixedly connected with the turbofan (610); The shell (606) is arranged on the inside bottom surface of the cabinet (1), the side wall of the shell (606) is fixedly connected with the inclined plate one (607), the outer wall of the inclined plate one (607) is provided with a filter hole (608).

2. The spray painting apparatus for a steel pipe having a protective structure according to claim 1, characterized in that: The funnel (601) is provided with a large diameter end and a small diameter end, the inclined surface (605) is arranged at the bottom of the small diameter end of the air pipe (604), the air pipe (604) is communicated with the air inlet slot (602), the inside of the shell (606) is communicated with the air outlet slot (603).

3. The steel pipe spraying apparatus having a protective structure according to claim 1, characterized in that: The inside bottom surface of the cabinet (1) is provided with a collection box (609), the outer wall of the cabinet (1) is hingedly connected with a cabinet door (7).

4. The steel pipe spraying apparatus having a protective structure according to claim 1, characterized in that: The inner wall of the shell (606) is fixedly connected with the inclined plate two (8), one end of the inclined plate two (8) away from the inclined plate one (607) is fixedly connected with a flat plate (9), the flat plate (9) is communicated with the air outlet slot (603), the upper surface of the inclined plate two (8) is fixedly connected with a filter plate (10).

5. The steel pipe spraying apparatus having a protective structure according to claim 1, characterized in that: The spraying assembly (4) comprises a feeding pipe (401), the feeding pipe (401) is sleeved with the outer wall of the cabinet (1), the feeding pipe (401) is fixedly connected with the arched frame (402), the inner wall of the arched frame (402) is fixedly connected with a spraying nozzle (403), the arched frame (402) is hollow, the feeding pipe (401) is communicated with the spraying nozzle (403).

6. The steel pipe spraying apparatus having a protective structure according to claim 1, characterized by: The inner wall of the cabinet (1) is provided with a conveying assembly (5), the conveying assembly (5) comprises a motor one (501), the motor one (501) is fixedly connected to the outer wall of the cabinet (1), the output end of the motor one (501) is fixedly connected with a rotating shaft (502), the side wall of the rotating shaft (502) is fixedly connected with a conductive roller (503), the inner wall of the cabinet (1) is rotatably connected with a rotating rod (504), the side wall of the rotating rod (504) is fixedly connected with a conductive roller (503), the outer wall of the rotating shaft (502) and the rotating rod (504) is fixedly connected with a belt pulley, the belt pulley is drivingly connected with a belt (505).

Citation Information

Patent Citations

  • Environment-friendly spraying equipment for plastic-coated steel pipe

    CN216826797U