Automatic cleaning device for oil tank

Abstract

The utility model discloses an automatic oil tank cleaning device which comprises a large tray, a water pipeline, a gas pipeline, a rotating flange, a transmission rod, a nozzle and the like. According to the device, the large tray is placed at a tank opening in the upper portion of the oil tank, and the device body is located on the bearing to be fixed. During cleaning operation, a high-pressure water pipeline and a steam pipeline are externally connected, high-pressure water passes through a spiral guide plate in the water pipeline, then rotates in a vortex mode, flows through the joint of the steam pipeline and is mixed with steam, so that the water temperature is increased, and the water is sprayed out of a nozzle in a mist spraying form, and the requirement for cleaning dirt through optimal high-pressure spraying is met; a large bearing above a large tray is driven to rotate by pulling a transmission wrench so that the device can rotate in the horizontal direction of a tank opening, meanwhile, a transmission rod, a universal joint, a bevel gear set and a rotating flange are driven to generate displacement, 360-degree rotation of a nozzle in the vertical direction is achieved, and the dead-corner-free cleaning effect is achieved. According to the device, the risk that personnel enter the oil tank for cleaning operation is avoided, and the cleaning operation is safe, convenient and efficient.

Description

Technical Field

[0001] The utility model relates to the technical field of oil tank cleaning, in particular to an automatic oil tank cleaning device. Background Art

[0002] The service life of oil storage tanks is generally long. After a period of use, impurities in the crude oil will be deposited on the bottom and wall of the tank, resulting in a reduction in the effective capacity of the tank. At the same time, the cleanliness of the tank affects the quality of the oil. If the tank is not cleaned, the pipeline will be blocked, scaled, corroded, and the oil will be of low quality. Long-term use of the tank will cause corrosion and leakage. If the inspection of the tank is neglected, it will bring us serious safety hazards and threaten the safety of the surrounding environment and the tank area. Therefore, regular inspection and cleaning of the tank is very important.

[0003] Traditional cleaning method: First, close the oil inlet of the oil tank and drain the residual oil and gas inside, then perform preliminary physical cleaning, use high-pressure water or a wire brush to remove visible dirt and impurities on the surface, then soak it with a cleaning agent, and choose a suitable alkaline or acidic cleaning fluid according to the material of the oil tank, but make sure that it will not cause corrosion to the tank body, and finally rinse until the discharge water is clear, colorless and odorless.

[0004] Traditional cleaning methods require personnel to enter the oil tank to operate. The oil tank is a confined space. Due to limited space and poor ventilation, it is easy for toxic, harmful, flammable and explosive substances to accumulate or insufficient oxygen content, which poses great operational risks and endangers the lives of operators.

[0005] Therefore, the prior art still needs to be improved and enhanced. Summary of the invention

[0006] In view of the above-mentioned deficiencies in the prior art, the purpose of the utility model is to provide an automatic oil tank cleaning device, aiming to solve the disadvantages of the cleaning method in the prior art: personnel entering a limited space to operate.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] In a first aspect, an automatic oil tank cleaning device comprises:

[0009] The fixing assembly is placed at the oil tank opening;

[0010] The water pipeline passes through the fixed assembly and extends to the inside of the oil tank, and a spiral guide plate is provided inside the water pipeline;

[0011] The gas pipeline extends through the fixed assembly to the inside of the oil tank and is connected to the lower part of the water pipeline;

[0012] The nozzle is connected to one end of the water pipeline in the oil tank through a first rotating flange, and a first bevel gear is sleeved on one end of the nozzle close to the water pipeline;

[0013] A first transmission rod extends through the fixing assembly to the inside of the oil tank and is limited to the outer wall of the water pipeline by a first stabilizing sleeve;

[0014] The second transmission rod is arranged on the outer wall of the water pipeline through a second stabilizing sleeve and is connected to the first transmission rod through a universal joint. A second bevel gear is provided at one end of the second transmission rod facing the bottom of the oil tank, and the second bevel gear is meshed with the first bevel gear.

[0015] Furthermore, the fixing assembly comprises:

[0016] Large tray, arranged at the mouth of the oil tank;

[0017] The small tray is arranged on the upper part of the large tray, the lower part is welded to the upper part of the large tray, and a large bearing is sleeved inside;

[0018] The compression sleeve is arranged on the upper part of the large bearing and contains two annular plates welded to the water pipeline.

[0019] Furthermore, the water pipeline includes an inlet pipe, a straight pipe and a bent neck pipe. The straight pipe is arranged in the middle of the fixed component and extends to the bottom of the oil pipe. The water inlet pipe is connected to the top end of the straight pipe through a second rotating flange. The bent neck pipe is connected to the bottom end of the straight pipe and is connected to the nozzle through a first rotating flange.

[0020] Furthermore, a lifting lug is provided on the outer wall of the water inlet pipe.

[0021] Furthermore, the second stabilizing sleeve includes an extension plate and a sleeve, the extension plate is connected to the outer wall of the water pipeline, the sleeve is arranged at the other end of the extension plate, and small bearings are arranged at both ends of the sleeve, and the second transmission rod is rotatably connected to the sleeve through the small bearing.

[0022] Furthermore, it also includes:

[0023] The wrench is sleeved on one end of the first transmission rod located outside the oil tank.

[0024] The technical solution adopted by the utility model has the following beneficial effects:

[0025] In this application, the fixing assembly is placed on the tank mouth above the oil tank, and the main body of the device is fixed on the bearing. During the cleaning operation, the high-pressure water pipeline and steam pipeline are connected externally. The high-pressure water rotates after passing through the spiral guide plate in the device, flows through the gas pipeline connection and mixes with the steam to increase the water temperature, and is ejected from the nozzle in a spray form to achieve the best high-pressure jet cleaning dirt requirements; by turning the transmission wrench to drive the large bearing above the large tray to rotate, the device can be rotated in the horizontal direction of the tank mouth, and at the same time drive the transmission rod, universal joint, first bevel gear, second bevel gear, first rotating flange, second rotating flange and water pipeline displacement change to realize the nozzle 360-degree rotation in the vertical direction, so as to achieve a cleaning effect without dead angles; this device avoids the risk of personnel entering the oil tank for cleaning operations, and the cleaning operation is safe, convenient and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A schematic diagram of the structure of an automatic oil tank cleaning device provided by the utility model;

[0027] Figure 2 The utility model provides an automatic cleaning device for an oil tank Figure 1 Schematic diagram of the local structure at A in the middle;

[0028] Figure 3 A schematic cross-sectional structure diagram of an automatic oil tank cleaning device provided by the utility model;

[0029] Figure 4 The utility model provides a schematic diagram of the structure of a fixed component of an automatic oil tank cleaning device.

[0030] 1. Large tray; 2. Small tray; 3. Large bearing; 4. Press sleeve; 5. Water inlet pipe; 6. Straight pipe; 7. Bend neck pipe; 8. Air pipe line; 9. Nozzle; 10. First rotating flange; 11. First bevel gear; 12. First transmission rod; 13. First stabilizing sleeve; 14. Second transmission rod; 15. Second stabilizing sleeve; 16. Universal joint; 17. Second bevel gear; 18. Lifting ear; 19. Extension plate; 20. Sleeve; 21. Small bearing; 22. Wrench; 23. Spiral guide plate; 24. Second rotating flange; 25. Cock. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and effect of the utility model clearer and more specific, the utility model is further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0032] It should be noted that when a component is referred to as being "fixed to" or "disposed on" another component, it can be directly on the other component or indirectly on the other component. When a component is referred to as being "connected to" another component, it can be directly connected to the other component or indirectly connected to the other component.

[0033] It should also be noted that the same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0034] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0035] First, see Figure 1-Figure 4 , an automatic cleaning device for an oil tank, comprising a fixing assembly, the fixing assembly being placed at the mouth of the oil tank; a water pipeline extending through the fixing assembly to the inside of the oil tank, and a spiral guide plate 23 being sleeved inside the water pipeline; an air pipeline 8 extending through the fixing assembly to the inside of the oil tank, and being connected to the lower part of the water pipeline; a nozzle 9 being connected to one end of the water pipeline located in the oil tank through a first rotating flange 10, and an end of the nozzle 9 close to the water pipeline is also sleeved with a first bevel gear 11; a first transmission rod 12 extending through the fixing assembly to the inside of the oil tank, and being limited to the outer wall of the water pipeline by a first stabilizing sleeve 13; a second transmission rod 14 being arranged on the outer wall of the water pipeline through a second stabilizing sleeve 15, and being connected to the first transmission rod 12 through a universal joint 16, and a second bevel gear 17 being provided at one end of the second transmission rod 14 facing the bottom of the oil tank, and the second bevel gear 17 being meshed with the first bevel gear 11.

[0036] When in use, the fixed component is arranged at the tank mouth, and the input end of the water pipeline is connected to a high-pressure water pipe. The high-pressure water rotates in a vortex shape after passing through the spiral guide plate 23 in the water pipeline, and the air pipeline 8 is connected to a steam device. The vortex passes through the connection of the air pipeline 8 and mixes with the steam to increase the water temperature. When the nozzle 9 sprays water, steam bubbles can also be output. The bubbles continuously contact the inner wall of the oil tank to achieve the best high-pressure jet cleaning dirt requirements. At the same time, the first transmission rod 12 can also be driven to drive the second transmission rod 14 to rotate through the universal joint 16, and further drive the gear set formed by the first bevel gear 11 and the second bevel gear 17 to start, so that the nozzle 9 can rotate 360 ​​degrees in the vertical direction, and the inside of the oil tank can be cleaned without dead angles.

[0037] In addition, when driving the first transmission rod 12 to rotate, it is driven by a wrench 22 sleeved on one end of the first transmission rod 12 located outside the oil tank, which is simple and quick, and a cock 25 is also provided at the inlet of the air pipeline to facilitate air intake control.

[0038] In the implementation of the present utility model, please refer to Figure 1 and Figure 4 The fixing assembly includes a large tray 1, a small tray 2 and a pressing sleeve 4. The large tray 1 is arranged at the mouth of the oil tank; the small tray 2 is arranged on the upper part of the large tray 1, and the lower part is welded to the upper part of the large tray 1, and a large bearing 3 is sleeved inside; the pressing sleeve 4 is arranged on the upper part of the large bearing 3, and contains 2 annular plates welded to the water pipeline.

[0039] While driving the first transmission rod 12 to rotate, the pressing sleeve 4 can also be driven to rotate, driving the water pipeline to rotate as a whole, so that the nozzle 9 can also rotate 360° in the horizontal direction to perform cleaning without dead angles and improve the cleaning effect.

[0040] It should be noted that, in this embodiment, please refer to Figure 1 The water pipeline includes a water inlet pipe 5, a straight pipe 6 and a curved neck pipe 7. The straight pipe 6 is arranged in the middle of the fixed component and extends to the bottom of the oil pipe. The water inlet pipe 5 is connected to the top of the straight pipe 6 through a second rotating flange connection 24, and the curved neck pipe 7 is connected to the bottom of the straight pipe 6 and is connected to the nozzle 9 through a first rotating flange 10; while extending the water path, sufficient time for water heating is reserved to facilitate better cleaning of the inside of the oil tank; and the second rotating flange 24 arranged between the water inlet pipe 5 and the straight pipe 6 facilitates the high-pressure water pipeline to maintain its position unchanged when the device rotates horizontally, preventing the water pipeline from bending.

[0041] In addition, a lifting lug 18 is provided on the outer wall of the water inlet pipe 5 , and the direction of the water inlet pipe 5 can be further fixed by the lifting lug 18 , which cooperates with the second rotating flange 24 to prevent the external water pipe from bending.

[0042] In this example, see Figure 3The second stabilizing sleeve 15 includes an extension plate 19 and a sleeve 20. The extension plate 19 is connected to the outer wall of the water pipeline. The sleeve 20 is arranged at the other end of the extension plate 19, and small bearings 21 are arranged at both ends of the sleeve 20. The second transmission rod 14 is rotatably connected to the sleeve 20 through the small bearings 21. When the first transmission rod 12 is driven to rotate, the universal joint 16 rotates accordingly, driving the second transmission rod 14 to rotate. In order to keep the second transmission rod 14 rotating stably, two small bearings 21 are arranged in the sleeve 20 to improve stability.

[0043] Specifically, the present invention includes the following steps when implemented:

[0044] 1. Installation: First, place the large tray 1 and the small tray 2 as a whole at the oil tank mouth, then put the large bearing 3 into the small tray 2, and finally insert the other devices into the small tray 2. The compression sleeve 4 welded on the water pipeline sits on the large bearing 3 to complete the installation.

[0045] 2. Use: Connect the external high-pressure water pipeline and steam pipeline. After the high-pressure water passes through the spiral guide plate 23 in the device, it rotates in a vortex, flows through the inlet of the gas pipeline 8 and mixes with the steam to increase the water temperature, and is ejected from the nozzle 9 in a spray form to achieve the best high-pressure jet cleaning dirt requirements; by turning the transmission wrench 22 to drive the large bearing 3 above the tray to rotate, the device can be rotated in the horizontal direction of the tank mouth, and at the same time, the first transmission rod 12, the universal joint 16, the second transmission rod 14, the bevel gear set, the first rotating flange 10 and the water pipeline are driven to change their displacement, so that the nozzle 9 can rotate 360 ​​degrees in the vertical direction, thereby achieving a cleaning effect without dead angles.

[0046] The technical solution adopted by the utility model has the following beneficial effects during use:

[0047] 1. Safety: Operators can complete the tank cleaning operation without entering the tank, avoiding accidents in confined spaces.

[0048] 2. Easy operation: The operator only needs to turn the transmission wrench 22 to achieve 360-degree cleaning of the oil tank mouth area without dead angles.

[0049] 3. Reduce labor intensity and improve efficiency: The automatic cleaning method of this device replaces the manual method of operators entering the tank to rinse and scrub, which greatly reduces the labor intensity of operators and improves cleaning efficiency.

[0050] Those skilled in the art will readily come up with other embodiments of the present invention after considering the specification and practicing the solutions disclosed herein. The present invention is intended to cover any variations, uses or adaptations of the present invention, which follow the general principles of the present invention and include common knowledge or customary technical means in the art that are not disclosed in the present disclosure. The specification and examples are to be regarded as exemplary only, and the true scope and spirit of the present invention are indicated by the claims.

Claims

1. An automatic oil tank cleaning device, characterized in that: include: The fixing assembly is placed at the oil tank opening; A water pipeline passes through the fixing assembly and extends to the inside of the oil tank, and a spiral guide plate (23) is provided inside the water pipeline; An air pipeline (8) passes through the fixing assembly and extends to the inside of the oil tank, and is connected to the lower part of the water pipeline; The nozzle (9) is connected to one end of the water pipeline located in the oil tank via a first rotating flange (10), and a first bevel gear (11) is sleeved on one end of the nozzle (9) close to the water pipeline; A first transmission rod (12) passes through the fixing assembly and extends into the oil tank, and is limited to the outer wall of the water pipeline by a first stabilizing sleeve (13); The second transmission rod (14) is arranged on the outer wall of the water pipeline via a second stabilizing sleeve (15), and is connected to the first transmission rod (12) via a universal joint (16). A second bevel gear (17) is provided at one end of the second transmission rod (14) facing the bottom of the oil tank, and the second bevel gear (17) is meshed with the first bevel gear (11).

2. The automatic oil tank cleaning device according to claim 1 is characterized in that: The fixing assembly comprises: A large tray (1) is arranged at the mouth of the oil tank; The small tray (2) is arranged on the upper part of the large tray (1), the lower part of which is welded to the upper part of the large tray (1), and a large bearing (3) is sleeved inside; The press sleeve (4) is arranged on the upper part of the large bearing (3) and contains two annular plates welded to the water pipeline.

3. The automatic oil tank cleaning device according to claim 1 is characterized in that: The water pipeline comprises a water inlet pipe (5), a straight pipe (6) and a curved neck pipe (7); the straight pipe (6) is arranged in the middle of the fixed component and extends to the bottom of the oil pipe; the water inlet pipe (5) is connected to the top end of the straight pipe (6) via a second rotating flange (24); the curved neck pipe (7) is connected to the bottom end of the straight pipe (6) and is connected to the nozzle (9) via a first rotating flange (10).

4. The automatic oil tank cleaning device according to claim 3 is characterized in that: A lifting lug (18) is also provided on the outer wall of the water inlet pipe (5).

5. The automatic oil tank cleaning device according to claim 2, characterized in that: The second stabilizing sleeve (15) comprises an extension plate (19) and a sleeve (20), wherein the extension plate (19) is connected to the outer wall of the water pipeline, the sleeve (20) is arranged at the other end of the extension plate (19), and small bearings (21) are arranged at both ends of the sleeve (20), and the second transmission rod (14) is rotatably connected to the sleeve (20) via the small bearings (21).

6. The automatic oil tank cleaning device according to claim 1, characterized in that: It also includes: The wrench (22) is sleeved on one end of the first transmission rod (12) located outside the oil tank.

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