Anti-coking anti-corrosion coating in-furnace construction equipment

By designing the propulsion and mixing mechanisms, the problem of unstable coating delivery under high temperature and high pressure conditions was solved, achieving stable coating supply and uniform spraying, thus improving construction quality and protective effect.

CN223587405UActive Publication Date: 2025-11-25DEYANG HEXIN ENVIRONMENTAL PROTECTION POWER GENERATION CO LTD +1
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Patent Information

Application Number
CN202423051345.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-11-25
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

Existing technologies are insufficient for the stable delivery and uniform spraying of anti-coking and anti-corrosion coatings under high temperature, high pressure and complex environments, resulting in poor construction quality and protective effect.

Method used

The system employs a propulsion mechanism and a stirring mechanism. The propulsion mechanism provides continuous and stable thrust through the propulsion spiral blades, while the stirring mechanism keeps the coating components suspended through the stirring spiral blades, ensuring the stability and uniformity of the coating during the transportation process.

Benefits of technology

It achieves a stable supply and uniform composition of coatings during the transportation process, avoids spraying interruptions and coating defects, and ensures the uniformity and protective effect of the coating.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-coking anticorrosive coating in-furnace construction device, which relates to the technical field of coating, and comprises a barrel body and a propulsion mechanism, the propulsion mechanism comprises a cylinder fixedly connected to the top of the barrel body through a fixing rod, and the telescopic end of the cylinder is rotatably connected with a round rod. And the side wall of the lower end of the round rod is fixedly connected with a propelling spiral blade, and the top of the barrel body penetrates through and is rotationally connected with a stirring mechanism. By arranging the propelling mechanism, continuous and stable thrust can be generated on the coating, so that the coating can uniformly and continuously flow in the pipeline or the storage container. For example, for some coatings containing a large number of solid particles or high-molecular polymer additives, the internal friction force and adhesive force of the coatings can be effectively overcome through propelling of the propelling spiral blade, it is ensured that the coatings are stably supplied to the spray gun, and spraying interruption or coating defects caused by sudden pressure change or uneven flow are avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of coating technology especially relates to a kind of anti-coking anticorrosive coating in-furnace construction equipment. BACKGROUND

[0002] In electric power, steel, chemical, non-ferrous metallurgy and many other energy and industrial departments, various industrial furnaces (such as power station boiler, heating furnace, cracking furnace, rotary kiln, etc.) are key production equipment, which run in high temperature, high pressure, strong corrosion and complex material flow impact environment for a long time. Taking power station boiler as an example, high-temperature flue gas generated by combustion wraps up ash, sulfur oxides, nitrogen oxides and other corrosive and coking substances, which continuously deposit and react in the inner wall of furnace tube and hearth.

[0003] Anti-coking anticorrosive coating usually has high viscosity and specific rheological properties to ensure its effective adhesion and protection in high-temperature furnace environment. Pressure delivery or gravity flow mode cannot ensure stable and uniform flow and pressure of such high-viscosity coating during delivery, and the coating is prone to problems such as pipeline blockage, uneven spraying and inconsistent coating thickness, which seriously affects the construction quality and protection effect. For example, some anti-coking anticorrosive coatings containing special additives or high solid content have poor fluidity and cannot achieve fine spraying control in conventional construction equipment. SUMMARY

[0004] The utility model discloses a kind of anti-coking anticorrosive coating in-furnace construction equipment to solve the problems in the background art.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] An anti-coking anticorrosive coating in-furnace construction equipment includes a barrel and a propulsion mechanism, the propulsion mechanism includes a gas cylinder fixedly connected to the top of the barrel through a fixed rod, the telescopic end of the gas cylinder is rotatably connected with a round rod, the lower end side wall of the round rod is fixedly connected with a propulsion spiral blade, and the top of the barrel is rotatably connected with a stirring mechanism.

[0007] Preferably, the stirring mechanism includes a rotating sleeve rotatably connected to the top of the barrel, the top of the barrel is fixedly installed with a motor, the motor is connected with the rotating sleeve through a gear transmission assembly, and the side wall of the rotating sleeve is fixedly connected with a stirring spiral blade.

[0008] Preferably, the lower end of the round rod is fixedly connected with a protrusion on both sides, the bottom of the rotating sleeve is provided with a groove on both sides, and the protrusion is embedded in the groove.

[0009] Preferably, the gear transmission assembly comprises a first gear fixedly installed on the upper end side wall of the rotating sleeve, and a second gear fixedly installed on the output end of the motor, and the first gear is engaged with the second gear.

[0010] Preferably, the top of the barrel body is welded with a protective cover, and the motor, the cylinder, the gear transmission assembly, the upper end of the round rod and the upper end of the rotating sleeve are all in the protective cover.

[0011] Preferably, the bottom of the barrel body is fixedly connected with a pipeline, a valve is installed on the pipeline, the bottom of the pipeline is fixedly connected with a spray gun through a hose, and a placing rack is installed on the side wall of the pipeline.

[0012] Preferably, the side wall of the barrel body is fixedly connected with a support frame.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The utility model discloses a pushing mechanism is set up, can produce the stable thrust of the continuous of coating, make it can even, continuously flow in the pipeline or storage container. For example, for some coating containing a large amount of solid particles or high molecular polymer additive, the propeller screw propelling can effectively overcome its internal friction and adhesion, ensure that the coating is stably supplied to the spray gun, and the spraying is not interrupted or the coating is defective due to pressure mutation or uneven flow.

[0015] 2、The utility model discloses a stirring mechanism is set up, can make various components in the coating always keep the suspended state through the continuous stirring action. For example, some anticorrosive coating containing metal oxide particles, these particles can enhance the corrosion resistance of the coating, but if long -term static, the particle will deposit at the bottom. The stirring propeller can effectively avoid this situation, ensure that the coating is uniform in the whole process from the barrel body to the spray gun, thereby guaranteeing the consistency of coating performance. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of the anticorrosive coating furnace construction equipment of the utility model;

[0017] Figure 2 It is a protective cover internal section structure schematic view of the anticorrosive coating furnace construction equipment of the utility model;

[0018] Figure 3 It is a barrel body internal section structure schematic view of the anticorrosive coating furnace construction equipment of the utility model;

[0019] Figure 4 It is the enlarged structure schematic view of A of the utility model; Figure 1

[0020] ​Figure 5 The enlarged structural schematic view of B in FIG. Figure 2

[0021] Figure 6 The enlarged structural schematic view of C in FIG. Figure 3

[0022] In the figure: 1 barrel body, 2 protective cover, 3 support frame, 4 pipeline, 5 placing frame, 6 rotating sleeve, 7 first gear, 8 motor, 9 second gear, 10 stirring helical blade, 11 round rod, 12 air cylinder, 13 propelling helical blade, 14 protruding block, 15 recess, 16 valve, 17 spray gun. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be apparently and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0024] With reference to Figures 1-6 , an anti-coking anticorrosive coating in-furnace construction equipment, comprising a barrel body 1 and a propelling mechanism, the barrel body 1 is composed of a cylinder and a conical body, the propelling mechanism comprises an air cylinder 12 fixedly connected at the top of the barrel body 1 through a fixed rod, the telescopic end of the air cylinder 12 is rotatably connected with a round rod 11, the round rod 11 penetrates through the top of the barrel body 1, the lower end of the round rod 11 is fixedly connected with a propelling helical blade 13 on the side wall, and the top of the barrel body 1 is rotatably connected with a stirring mechanism;

[0025] The stirring mechanism comprises a rotating sleeve 6 rotatably connected at the top of the barrel body 1, the round rod 11 penetrates through the rotating sleeve 6, a motor 8 is fixedly installed at the top of the barrel body 1, the motor 8 and the rotating sleeve 6 are connected through a gear transmission assembly, the side wall of the rotating sleeve 6 is fixedly connected with a stirring helical blade 10, and the stirring helical blade 10 is in the barrel body 1;

[0026] The lower end of the round rod 11 is fixedly connected with protruding blocks 14 on both sides, recesses 15 are formed in the bottom of the rotating sleeve 6 on both sides, the protruding blocks 14 are embedded in the recesses 15, the gear transmission assembly comprises a first gear 7 fixedly installed on the side wall of the upper end of the rotating sleeve 6, the output end of the motor 8 is fixedly installed with a second gear 9, and the first gear 7 is engaged with the second gear 9;

[0027] ​​The top of the barrel body 1 is welded with a protective cover 2, the motor 8, the air cylinder 12, the gear transmission assembly, the upper end of the round rod 11 and the upper end of the rotating sleeve 6 are in the protective cover 2, the bottom of the barrel body 1 is fixedly connected with a pipeline 4, the propelling spiral blade 13 and the lower end of the round rod 11 are in the pipeline 4, the pipeline 4 is provided with a valve 16, which is used for opening or closing the circulation of the raw materials in the pipeline 4, the bottom of the pipeline 4 is fixedly connected with a spray gun 17 through a hose, the side wall of the pipeline 4 is provided with a placing rack 5, the placing rack 5 is composed of an arc-shaped block and two convex blocks, recesses are formed in the two convex blocks, the two sides of the spray gun 17 are fixedly connected with convex blocks, the convex blocks are embedded in the recesses, the side wall of the barrel body 1 is fixedly connected with a support frame 3, and the support frame 3 is composed of two circular rings and a plurality of supporting rods.

[0028] The detailed working process of the utility model is as follows:

[0029] Firstly, the raw materials are placed in the barrel body 1, the air cylinder 12 is started to drive the round rod 11 to move upwards, the round rod 11 moves upwards to drive the convex blocks 14 to move upwards, until the convex blocks 14 are inserted into the recesses 15, the motor 8 is started to drive the rotating sleeve 6 to rotate through the gear transmission assembly, the rotating sleeve 6 rotates to drive the stirring spiral blade 10 and the propelling spiral blade 13 to stir and propel the raw materials.

[0030] Then, the valve 16 is opened, the propelling spiral blade 13 propels the raw materials in the barrel body 1 into the pipeline 4, and then along the hose to the spray gun 17, and the furnace is sprayed, when the propelling is not needed, only the stirring is needed, the valve 16 is closed, and the air cylinder 12 is started to drive the round rod 11 to move downwards to drive the convex blocks 14 to move downwards, until the convex blocks 14 are separated from the recesses 15, so that the round rod 11 does not rotate.

[0031] The above only describes the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the technical field can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. An anti-coking anticorrosive coating in-furnace application apparatus comprising a barrel (1) and a propelling mechanism, characterized in that: The propelling mechanism comprises a cylinder (12) fixedly connected to the top of the barrel (1) through a fixed rod, a round rod (11) rotatably connected to the telescopic end of the cylinder (12), propelling spiral blades (13) fixedly connected to the lower end side wall of the round rod (11), and a stirring mechanism rotatably connected to the top of the barrel (1).

2. A coking-resistant anticorrosive paint in-furnace application apparatus according to claim 1, characterized by: The stirring mechanism comprises a rotating sleeve (6) rotatably connected to the top of the barrel (1), a motor (8) fixedly installed on the top of the barrel (1), a gear transmission assembly connecting the motor (8) and the rotating sleeve (6), and stirring spiral blades (10) fixedly connected to the side wall of the rotating sleeve (6).

3. A furnace installation for the application of an anti-coking anticorrosive coating according to claim 2, characterized in that: The lower end of the round rod (11) is fixedly connected with protrusions (14) on both sides, the bottom of the rotating sleeve (6) is provided with grooves (15) on both sides, and the protrusions (14) are embedded in the grooves (15).

4. A furnace installation for the application of an anti-coking anticorrosive coating according to claim 2, characterized in that: The gear transmission assembly comprises a first gear (7) fixedly installed on the upper end side wall of the rotating sleeve (6), and a second gear (9) fixedly installed on the output end of the motor (8), wherein the first gear (7) is engaged with the second gear (9).

5. A furnace installation for the application of an anti-coking anticorrosive coating according to claim 4, characterized in that: The top of the barrel (1) is welded with a protective cover (2), and the motor (8), the cylinder (12), the gear transmission assembly, the upper end of the round rod (11), and the upper end of the rotating sleeve (6) are all in the protective cover (2).

6. A coking-resistant anticorrosive paint in-furnace application apparatus according to claim 1, characterized by: The bottom of the barrel (1) is fixedly connected with a pipeline (4), the pipeline (4) is provided with a valve (16), the bottom of the pipeline (4) is fixedly connected with a spray gun (17) through a hose, and the side wall of the pipeline (4) is provided with a placing rack (5).

7. A coking-resistant anticorrosive paint in-furnace application apparatus according to claim 1, characterized by: The side wall of the barrel (1) is fixedly connected with a support rack (3).