Cleaning device for inner wall and outer wall of semi-finished cryogenic pressure container

By designing a deep-cooled pressure vessel cleaning device with a motor, a shaft and a turntable, the problems of manual cleaning consume time and waste of water resources in the prior art are solved, and efficient cleaning of the inner and outer walls and water resources are achieved.

CN222856232UActive Publication Date: 2025-05-13HEBEI HONGRUI XIANGTONG HEAVY IND CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421717370.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-19
Publication Date
2025-05-13
Estimated Expiration
2034-07-19

AI Technical Summary

Technical Problem

The existing semi-finished inner and outer wall cleaning devices of deep-cooled pressure vessels require manual operation, which is a large workload and wastes labor costs. It is difficult to completely remove stubborn stains, resulting in waste of water resources.

Method used

A device including a cleaning bucket, motor, shaft, turntable and cleaning brush is designed. The rotating shaft and turntable are driven by the motor, and the cleaning brush rotates around the fixed disc to achieve inner wall cleaning; at the same time, the rotating bucket is combined with a soft brush to achieve outer wall cleaning, and the pressure vessel is fixed by clamping blocks, and clean water is circulated to save water resources.

Benefits of technology

It realizes efficient cleaning of the inner and outer walls of deep-cooled pressure vessels, reduces work burden, improves cleaning efficiency, and saves water resources.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222856232U_ABST
    Figure CN222856232U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of pressure vessel semi-finished product inner and outer wall cleaning devices, in particular to a cryogenic pressure vessel semi-finished product inner and outer wall cleaning device which comprises a cleaning barrel, a first motor is fixedly connected to the lower portion of the cleaning barrel, the output end of the first motor is fixedly connected with a rotating shaft, and a fixing shaft is arranged on the rotating shaft. The rotating shaft is fixedly connected with a first rotating disc. According to the cleaning device for the inner wall of the pressure container, the first motor is started, the rotating shaft is driven to rotate, the first rotating disc and the second rotating disc are driven to rotate, and the first cleaning brush and the second cleaning brush are driven to rotate around the first fixing disc and the second fixing disc and rotate at the same time, so that the inner wall of the pressure container is cleaned; according to the pressure vessel cleaning device, stubborn stains on the inner wall can be removed, the inner wall and the outer wall can be cleaned at the same time, the workload is relieved, and the cleaning efficiency is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of devices for cleaning inner and outer walls of semi-finished pressure vessels, in particular to a device for cleaning inner and outer walls of semi-finished cryogenic pressure vessels. Background Art

[0002] A cryogenic pressure vessel is a storage container for storing cryogenic liquid gases. Its structure includes an inner container and an outer container jacketed outside the inner container. A number of support columns are arranged between the inner container and the outer container to form an interlayer space between the inner container and the outer container. Cryogenic pressure vessels are widely used in the industrial field due to their safety and good insulation. A typical double-layer cryogenic pressure vessel has an inner tank body of stainless steel and an outer tank body of carbon steel or alloy steel.

[0003] At present, the cleaning device for the inner and outer walls of semi-finished deep-cold pressure vessels still has the following defects when in use: manual cleaning is usually required, and because the pressure vessel is large, the workload is large, which wastes manpower costs, and stubborn stains cannot be cleaned thoroughly. A large amount of water resources are consumed during cleaning, resulting in a large waste of water resources. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a device for cleaning the inner and outer walls of a semi-finished product of a cryogenic pressure vessel.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a device for cleaning the inner and outer walls of a semi-finished deep-cold pressure vessel, comprising a cleaning barrel, a motor 1 is fixedly connected to the bottom of the cleaning barrel, a rotating shaft is fixedly connected to the output end of the motor 1, a fixed shaft is provided on the rotating shaft, a turntable 1 is fixedly connected to the rotating shaft, a cleaning brush 1 is rotatably connected to the turntable 1, one end of the cleaning brush 1 is fixedly connected to a sliding shaft 1, a turntable 2 is fixedly connected to the bottom of the turntable 1, a cleaning brush 2 is rotatably connected to the turntable 2, one end of the cleaning brush 2 is fixedly connected to a sliding shaft 2, a rotating barrel is fixedly connected to the outer side of the turntable 2, and a soft brush is provided on the rotating barrel.

[0006] As a further description of the above technical solution:

[0007] A fixed disk 1 is fixedly connected to the fixed shaft, a guide block 1 is fixedly connected below the fixed disk 1, a fixed disk 2 is fixedly connected to the fixed shaft, a guide block 2 is fixedly connected below the fixed disk 2, and the fixed disk 2 is located below the fixed disk 1.

[0008] As a further description of the above technical solution:

[0009] One side of the cleaning bucket is fixedly connected to motor 2, the output end of motor 2 is fixedly connected to threaded rod 1, one end of threaded rod 1 is fixedly connected to threaded rod 2, threaded rod 1 is threadedly connected to clamping block 1, threaded rod 2 is threadedly connected to clamping block 2, one side of the cleaning bucket is fixedly connected to a water inlet valve, one side of the cleaning bucket is fixedly connected to a water outlet valve, and a support leg is fixedly connected to the bottom of the cleaning bucket.

[0010] As a further description of the above technical solution:

[0011] The rotating shaft passes through the fixed shaft, the lower part of the fixed shaft is fixedly connected to the cleaning bucket, one end of the threaded rod 2 is rotatably connected to the cleaning bucket, the clamping block 1 and the clamping block 2 are slidably connected to the cleaning bucket, and the water outlet valve is located below the water inlet valve.

[0012] As a further description of the above technical solution:

[0013] The sliding shaft 1 slides under the fixed disk 1 and slides on the guide block 1, and the sliding shaft 2 slides under the fixed disk 2 and slides on the guide block 2.

[0014] As a further description of the above technical solution:

[0015] The fixed disk 1 is located in the rotating disk 1, the rotating disk 1 is located in the rotating barrel, the threaded rod 1 and the threaded rod 2 are arranged in a mirror image of each other, and the clamping block 1 and the clamping block 2 are arranged in a mirror image of each other.

[0016] As a further description of the above technical solution:

[0017] The first cleaning brush is provided with eight groups, the second cleaning brush is provided with eight groups, the first guide block is provided with four groups, and the second guide block is provided with four groups.

[0018] The utility model has the following beneficial effects:

[0019] 1. In the utility model, by starting the motor 1, the rotating shaft is driven to rotate, thereby driving the turntable 1 and the turntable 2 to rotate, driving the cleaning brush 1 and the cleaning brush 2 to rotate around the fixed disk 1 and the fixed disk 2 while rotating, thereby realizing the cleaning of the inner wall of the pressure vessel. At the same time, a rotating barrel is fixedly connected to the turntable 2, and the rotation of the turntable 2 drives the rotating barrel to rotate, thereby realizing the cleaning of the outer wall of the pressure vessel. This device can not only remove the more stubborn stains on the inner wall, but also clean the inner and outer walls at the same time, reducing the workload and improving the cleaning efficiency.

[0020] 2. In the utility model, by turning on motor 2, clamping blocks 1 and 2 are driven to move above the cleaning barrel, thereby clamping the pressure vessel so that the pressure vessel is fixed during cleaning. The staff can inject clean water and detergent into the cleaning barrel from the water inlet valve, and the frequency of water replacement can be reduced according to the degree of contamination of the pressure vessel, so that the cleaning water can be recycled, thereby saving water resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the structure of a device for cleaning the inner and outer walls of a semi-finished cryogenic pressure vessel proposed by the utility model;

[0022] Figure 2 A schematic diagram of the partial structure of a device for cleaning the inner and outer walls of a semi-finished cryogenic pressure vessel proposed by the utility model Figure 1 ;

[0023] Figure 3 A schematic diagram of the partial structure of a device for cleaning the inner and outer walls of a semi-finished cryogenic pressure vessel proposed by the utility model Figure 2 ;

[0024] Figure 4 A schematic diagram of the partial structure of a device for cleaning the inner and outer walls of a semi-finished cryogenic pressure vessel proposed by the utility model Figure 3 ;

[0025] Figure 5 A schematic diagram of the partial structure of a device for cleaning the inner and outer walls of a semi-finished cryogenic pressure vessel proposed by the utility model Figure 4 ;

[0026] Figure 6 A schematic diagram of the partial structure of a device for cleaning the inner and outer walls of a semi-finished cryogenic pressure vessel proposed by the utility model Figure 5 .

[0027] Legend:

[0028] 1. Cleaning bucket; 2. Motor 1; 3. Rotating shaft; 4. Fixed shaft; 5. Turntable 1; 6. Cleaning brush 1; 7. Sliding shaft 1; 8. Turntable 2; 9. Cleaning brush 2; 10. Sliding shaft 2; 11. Rotating bucket; 12. Soft brush; 13. Fixed disk 1; 14. Guide block 1; 15. Fixed disk 2; 16. Guide block 2; 17. Motor 2; 18. Threaded rod 1; 19. Threaded rod 2; 20. Clamping block 1; 21. Clamping block 2; 22. Water inlet valve; 23. Water outlet valve; 24. Support leg. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Reference Figure 1-Figure 6 The utility model provides an embodiment: a device for cleaning the inner and outer walls of a semi-finished product of a cryogenic pressure vessel, comprising a cleaning barrel 1, a motor 2 is fixedly connected to the bottom of the cleaning barrel 1, a rotating shaft 3 is fixedly connected to the output end of the motor 2, a fixed shaft 4 is provided on the rotating shaft 3, a turntable 5 is fixedly connected to the rotating shaft 3, a cleaning brush 6 is rotatably connected to the turntable 5, one end of the cleaning brush 6 is fixedly connected to a sliding shaft 7, a turntable 8 is fixedly connected to the bottom of the turntable 5, a cleaning brush 9 is rotatably connected to the turntable 8, one end of the cleaning brush 9 is fixedly connected to a sliding shaft 10, and a rotating barrel is fixedly connected to the outer side of the turntable 8. 11. A soft brush 12 is provided on the rotating barrel 11. By turning on the motor 12, the rotating shaft 3 is driven to rotate, thereby driving the turntable 1 5 and the turntable 2 8 to rotate, driving the cleaning brush 1 6 and the cleaning brush 2 9 to rotate around the fixed disk 13 and the fixed disk 2 15 while rotating, thereby realizing the cleaning of the inner wall of the pressure vessel. At the same time, the turntable 2 8 is fixedly connected with the rotating barrel 11. When the turntable 2 8 rotates, the rotating barrel 11 is driven to rotate, thereby realizing the cleaning of the outer wall of the pressure vessel. This device can not only remove the more stubborn stains on the inner wall, but also clean the inner and outer walls at the same time, reducing the workload and improving the cleaning efficiency.

[0031] Among them, a fixed disk 13 is fixedly connected to the fixed shaft 4, a guide block 14 is fixedly connected to the lower part of the fixed disk 13, a fixed disk 2 15 is fixedly connected to the fixed shaft 4, a guide block 2 16 is fixedly connected to the lower part of the fixed disk 2 15, and the fixed disk 2 15 is located below the fixed disk 13. A motor 2 17 is fixedly connected to one side of the cleaning bucket 1, a threaded rod 18 is fixedly connected to the output end of the motor 2 17, a threaded rod 19 is fixedly connected to one end of the threaded rod 18, a clamping block 20 is threadedly connected to the threaded rod 18, and a clamping block 21 is threadedly connected to the threaded rod 2 19. A water inlet valve 22 is fixedly connected to one side of the cleaning bucket 1, a water outlet valve 23 is fixedly connected to one side of the cleaning bucket 1, and a support leg 24 is fixedly connected to the lower part of the cleaning bucket 1. The rotating shaft 3 runs through the fixed shaft 4, and the lower part of the fixed shaft 4 is fixedly connected to the cleaning bucket 1. One end of the threaded rod 2 19 is rotatably connected to the cleaning bucket 1, and the clamping block 1 20 and the clamping block 21 are slidably connected to On the cleaning barrel 1, the water outlet valve 23 is located below the water inlet valve 22, the sliding shaft 17 slides below the fixed disk 13 and slides on the guide block 14, the sliding shaft 210 slides below the fixed disk 15 and slides on the guide block 216, the fixed disk 13 is located in the turntable 15, the turntable 15 is located in the rotating barrel 11, the threaded rod 18 and the threaded rod 21 are mirror-imaged to each other, the clamping block 120 and the clamping block 21 are mirror-imaged to each other, the cleaning brush 16 is provided with eight groups, the cleaning brush 29 is provided with eight groups, the guide block 14 is provided with four groups, and the guide block 216 is provided with four groups. By turning on the motor 217, the clamping block 120 and the clamping block 21 are driven to move above the cleaning barrel 1, thereby clamping the pressure vessel and fixing the pressure vessel during cleaning. The staff can inject clean water and detergent into the cleaning barrel from the water inlet valve 22, and the frequency of changing water can be reduced according to the degree of contamination of the pressure vessel, so that the cleaning water can be recycled, thereby saving water resources.

[0032] Working principle: before the cleaning work begins, first open the water inlet valve 22, inject an appropriate amount of clean water and detergent into the cleaning barrel 1, then place the semi-finished deep-cold pressure vessel into the cleaning barrel 1, so that the inner wall of the pressure vessel fits against the outside of the cleaning brush 1 6 and the cleaning brush 2 9, and the outer wall fits against the soft brush 12. After adjusting to a suitable position, turn on the motor 2 17, so that the output end of the motor 2 17 drives the threaded rod 1 18 and the threaded rod 2 19 to rotate, thereby driving the clamping block 1 20 and the clamping block 2 21 to slide on the cleaning barrel 1, and at the same time adjust the distance between the clamping block 1 20 and the clamping block 2 21 so that it clamps the pressure vessel, then turn on the motor 1 2, so that the output end of the motor 2 drives the rotating shaft 3 to rotate, and at the same time The turntable 1 5 and the turntable 2 8 are driven to rotate in the cleaning barrel 1, and at the same time, one end of the cleaning brush 1 6 and the cleaning brush 2 9 are driven to slide on the fixed plate 1 13 and the guide block 1 14, so that the cleaning brush 1 6 and the cleaning brush 2 9 rotate around the inner wall of the pressure vessel while rotating, thereby realizing the cleaning of the inner wall of the pressure vessel. The rotating barrel 11 is fixedly connected to the outer side of the turntable 2 8, and the rotating barrel 11 is provided with a soft brush 12. When the turntable 2 8 rotates, the rotating barrel 11 is driven to rotate, and the soft brush 12 cleans the outer wall of the pressure vessel. After the cleaning is completed, the rotating shaft 3 is closed, and the motor 2 17 is turned on in the reverse direction to remove the cryogenic pressure vessel from the device, and then the water outlet valve 23 is opened to discharge the sewage in the cleaning barrel 1.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for cleaning the inner and outer walls of a semi-finished cryogenic pressure vessel, comprising a cleaning barrel (1), characterized in that: A motor (2) is fixedly connected to the bottom of the cleaning bucket (1), the output end of the motor (2) is fixedly connected to a rotating shaft (3), a fixed shaft (4) is provided on the rotating shaft (3), a turntable (5) is fixedly connected to the rotating shaft (3), a cleaning brush (6) is rotatably connected to the turntable (5), one end of the cleaning brush (6) is fixedly connected to a sliding shaft (7), a turntable (8) is fixedly connected to the bottom of the turntable (5), a cleaning brush (9) is rotatably connected to the turntable (8), one end of the cleaning brush (9) is fixedly connected to a sliding shaft (10), a rotating bucket (11) is fixedly connected to the outer side of the turntable (8), and a soft brush (12) is provided on the rotating bucket (11).

2. The device for cleaning inner and outer walls of a semi-finished cryogenic pressure vessel according to claim 1, characterized in that: A fixed disk 1 (13) is fixedly connected to the fixed shaft (4), a guide block 1 (14) is fixedly connected below the fixed disk 1 (13), a fixed disk 2 (15) is fixedly connected to the fixed shaft (4), a guide block 2 (16) is fixedly connected below the fixed disk 2 (15), and the fixed disk 2 (15) is located below the fixed disk 1 (13).

3. The device for cleaning inner and outer walls of a semi-finished cryogenic pressure vessel according to claim 2, characterized in that: One side of the cleaning bucket (1) is fixedly connected to a second motor (17); the output end of the second motor (17) is fixedly connected to a first threaded rod (18); one end of the first threaded rod (18) is fixedly connected to a second threaded rod (19); the first threaded rod (18) is threadedly connected to a first clamping block (20); the second threaded rod (19) is threadedly connected to a second clamping block (21); one side of the cleaning bucket (1) is fixedly connected to a water inlet valve (22); one side of the cleaning bucket (1) is fixedly connected to a water outlet valve (23); and a support leg (24) is fixedly connected to the bottom of the cleaning bucket (1).

4. The device for cleaning inner and outer walls of a semi-finished cryogenic pressure vessel according to claim 3, characterized in that: The rotating shaft (3) passes through the fixed shaft (4), the lower part of the fixed shaft (4) is fixedly connected to the cleaning bucket (1), one end of the threaded rod (19) is rotatably connected to the cleaning bucket (1), the clamping block (20) and the clamping block (21) are slidably connected to the cleaning bucket (1), and the water outlet valve (23) is located below the water inlet valve (22).

5. The device for cleaning inner and outer walls of a semi-finished cryogenic pressure vessel according to claim 4, characterized in that: The sliding shaft 1 (7) slides under the fixed disk 1 (13) and slides on the guide block 1 (14), and the sliding shaft 2 (10) slides under the fixed disk 2 (15) and slides on the guide block 2 (16).

6. The device for cleaning inner and outer walls of a semi-finished cryogenic pressure vessel according to claim 5, characterized in that: The fixed disk 1 (13) is located in the rotating disk 1 (5), the rotating disk 1 (5) is located in the rotating barrel (11), the threaded rod 1 (18) and the threaded rod 2 (19) are arranged in a mirror image of each other, and the clamping block 1 (20) and the clamping block 2 (21) are arranged in a mirror image of each other.

7. The device for cleaning inner and outer walls of a semi-finished cryogenic pressure vessel according to claim 6, characterized in that: The first cleaning brush (6) is provided with eight groups, the second cleaning brush (9) is provided with eight groups, the first guide block (14) is provided with four groups, and the second guide block (16) is provided with four groups.