Flushing device for oil sludge at bottom of oil storage tank

Abstract

The oil storage tank bottom oil sludge flushing device comprises a tank body, the tank body is fixedly connected with the outer side of a water inlet pipe, a valve body is arranged on the water inlet pipe, a pressure gauge is arranged on the outer side of the water inlet pipe, the interior of the water inlet pipe is fixedly connected with a first supporting frame, the first supporting frame is rotationally connected with the outer side of a first rotating shaft, and the top end of the first rotating shaft is fixedly connected with a first propeller; the outer side of the first propeller is fixedly connected with the first fixing plate, the outer side of the first rotary drum is fixedly connected with the liquid distribution pipe, and the first rotary drum is rotationally connected with one end of the second rotary drum. Through the first propeller, the first rotary drum and the liquid distribution pipe, the oil sludge flushing area of the liquid distribution pipe is enlarged through rotation of the liquid distribution pipe, the problem that the efficiency is low due to the fact that the liquid distribution pipe can only flush the fixed position is solved, the oil sludge flushing efficiency is improved through the flushing pipe, the flushing holes, the sleeve, the matching holes and the springs, and the flushing holes and the matching holes are distributed in a staggered mode. And subsequently generated oil sludge is prevented from entering the flushing pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of oil tanks, in particular to an oil sludge flushing device at the bottom of an oil storage tank. Background Art

[0002] Oil tanks are containers used to store crude oil and other petroleum products. They are widely used in refineries, oil fields, oil depots, and other industries. When the oil contains a large amount of sand and is fracturing a well, the crude oil will carry a large amount of sand with it and flow into the tank. Over time, the sludge at the bottom of the tank becomes increasingly thick, which can seriously block the pump line at the tank outlet, necessitating tank cleaning.

[0003] According to the announcement number CN220942384 U, a sludge flushing device at the bottom of an oil storage tank is disclosed. This patent supplies water so that the flushing medium forms water pressure after passing through the water distribution manifold, thereby stirring the sludge at the bottom of the tank to form a mixture of sludge and water, and finally the mixture is absorbed and pulled away by a self-priming vehicle. In addition, the flushing is used to provide power to the stirring component, so that the flushing effect is better. However, the above patent uses the water column in the flushing hole to impact the stirring blade below, thereby driving the stirring blade to rotate, which makes the propulsion force of the stirring blade smaller and is easily affected by the resistance of the sludge and affects the flushing effect. In addition, since the position of the liquid distribution pipe is fixed, the flushing hole can only flush the fixed position, reducing the efficiency of the oil tank flushing. Utility Model Content

[0004] The purpose of the utility model is to provide an oil sludge flushing device at the bottom of an oil storage tank to solve the problems raised in the above background technology.

[0005] The cam is connected to the water inlet pipe, the water inlet pipe is connected to the water inlet pipe, the water inlet pipe is provided with a pressure gauge, the water inlet pipe is provided with a pressure gauge, the water inlet pipe is fixedly connected to a support frame, the support frame is rotatably connected to the outer side of the rotating shaft, the top of the rotating shaft is fixedly connected to the propeller, one end of the water inlet pipe is rotatably connected to the rotor, the outer side of the propeller is fixedly connected to the fixing plate, the outer side of the rotor is fixedly connected to the liquid separation pipe, the rotor is rotatably connected to one end of the rotor, the inner wall of the rotor is fixedly connected to the support frame, the support frame is rotatably connected to the outer side of the rotating shaft, one end of the rotating shaft is fixedly connected to the propeller, the outer side of the rotating shaft is fixedly connected to the fixing plate, the outer side of the rotor is fixedly connected to the flushing pipe, the flushing pipe is provided with a flushing hole, the flushing pipe is provided with a sleeve, the sleeve is provided with a matching hole, and the flushing pipe is provided with a spring.

[0006] Preferably, the outer side of the rotating shaft is rotatably connected to the support frame through a bearing sleeve, the top end of the rotating shaft extends to the top of the support frame and is fixedly connected to the propeller, and the rotating shaft is fixedly connected to the inner wall of the rotating drum through a fixing plate.

[0007] Preferably, the number of the liquid dispensing pipes is four and they are symmetrically distributed with each other. The liquid dispensing pipes are communicated with the interior of the drum, and the bottom surfaces of the liquid dispensing pipes are fixedly connected to a plurality of nozzles.

[0008] Preferably, the stirring blades have a smooth surface, are distributed on the upper and lower sides of the flushing pipe, and are evenly and symmetrically distributed around the rotating drum.

[0009] Preferably, the top end of the second rotating shaft extends to the inside of the first rotating drum and is fixedly connected to the second propeller. The second rotating shaft is fixedly connected to the inner wall of the second rotating drum through the second fixing plate. A plurality of second propellers are arranged outside the second rotating shaft.

[0010] Preferably, the sleeve is slidably connected to the inside of the flushing pipe, and both ends of the spring are fixedly connected to the flushing pipe and the sleeve respectively.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] 1. The utility model is provided with a support frame 1, a rotating shaft 1, a propeller 1, a rotating drum 1 and a liquid separation pipe. Water is passed from the water inlet pipe into the interior of the rotating drum 1 through a water supply device. The water drives the propeller 1 to rotate, thereby causing the rotating drum 1 and the liquid separation pipe to rotate, thereby expanding the flushing area of the liquid separation pipe for the sludge, solving the problem of low efficiency caused by the liquid separation pipe only being able to flush a fixed position, and improving the flushing efficiency of the sludge at the bottom of the tank body. At the same time, water drives the propeller 2 to rotate, causing the rotating drum 2 and the stirring blade to rotate. Since multiple propellers 2 are arranged in the rotating drum 2, it has a larger thrust, thereby making the stirring blade have a better stirring effect.

[0013] 2. The utility model also provides a flushing pipe, a flushing hole, a sleeve, a matching hole and a spring. The water in the water inlet pipe enters the flushing pipe and is discharged from the flushing hole, thereby facilitating the flushing of the sludge inside and effectively enhancing the efficiency of the sludge flushing. When the flushing stops, the sleeve moves under the push of the spring force, so that the flushing hole and the matching hole are staggered, thereby preventing the subsequently generated sludge from entering the flushing pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 3It is a partial structural diagram of the utility model;

[0017] Figure 4 It is a partial structural diagram of the utility model.

[0018] In the figure: 1. Tank body; 2. Water inlet pipe; 3. Valve body; 4. Pressure gauge; 5. Support frame 1; 6. Rotating shaft 1; 7. Propeller 1; 8. Rotating drum 1; 9. Fixed plate 1; 10. Liquid dispensing tube; 11. Rotating drum 2; 12. Stirring blade; 13. Support frame 2; 14. Rotating shaft 2; 15. Propeller 2; 16. Fixed plate 2; 17. Flushing pipe; 18. Flushing hole; 19. Sleeve; 20. Matching hole; 21. Spring. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] See also Figure 1-4 The utility model provides a technical solution: a sludge flushing device at the bottom of an oil storage tank, comprising a tank body 1, the tank body 1 is welded and fixed to the outside of a water inlet pipe 2, one end of the water inlet pipe 2 extends to the center of the tank body 1 and is rotatably connected to the top of a rotating drum 8, a valve body 3 is provided on the water inlet pipe 2, a pressure gauge 4 is provided on the outside of the water inlet pipe 2, the inside of the water inlet pipe 2 is welded and fixed to a support frame 5, the support frame 5 and the support frame 2 13 are both cross-shaped plates, the support frame 5 is rotatably connected to the outside of a rotating shaft 6, the top of the rotating shaft 6 is welded and fixed to a propeller 7, one end of the water inlet pipe 2 is rotatably connected to a rotating drum 8, and the outside of the propeller 7 is connected to a fixed plate The outer side of the rotating drum 18 is welded and fixed to the liquid dispensing tube 10. The rotating drum 18 is rotatably connected to one end of the rotating drum 2 11. The inner wall of the rotating drum 18 is welded and fixed to the supporting frame 2 13. The supporting frame 2 13 is rotatably connected to the outer side of the rotating shaft 2 14. One end of the rotating shaft 2 14 is welded and fixed to the propeller 2 15. The outer side of the rotating shaft 2 14 is welded and fixed to the fixing plate 2 16. The outer side of the rotating drum 2 11 is welded and fixed to the flushing pipe 17. The flushing hole 18 is provided on the outer side of the flushing pipe 17. The inside of the flushing pipe 17 is slidably connected to the outer side of the sleeve 19. The outer side of the sleeve 19 is provided with a matching hole 20. The inside of the flushing pipe 17 is sleeved with a spring 21.

[0021] In order to make the rotation of propeller 7 drive the rotating drum 8 to rotate synchronously, the outer side of rotating shaft 6 is connected to support frame 5 through bearing sleeve, the top of rotating shaft 6 extends to the top of support frame 5 and is welded and fixed to propeller 7, and rotating shaft 6 is connected and fixed to the inner wall of rotating drum 8 through fixing plate 9. When water passes through propeller 7 to make rotating shaft 6 rotate, since the water inlet pipe 2 is fixed, rotating shaft 6 will drive rotating drum 8 and liquid dispensing pipe 10 to rotate. Liquid dispensing pipe 10 is located above the oil sludge.

[0022] In order to enhance the flushing effect of the liquid dispensing pipe 10, there are four liquid dispensing pipes 10 and they are symmetrically distributed. The liquid dispensing pipe 10 is connected to the interior of the drum 8. The bottom surface of the liquid dispensing pipe 10 is welded and fixed to a plurality of nozzles. The rotation of the liquid dispensing pipe 10 effectively expands the flushing range and enhances the flushing effect on the sludge.

[0023] The stirring blades 12 are arranged with smooth surfaces. The stirring blades 12 are distributed on the upper and lower sides of the flushing pipe 17. The stirring blades 12 are evenly and symmetrically distributed around the rotating drum 11. The top of the rotating shaft 14 extends to the inside of the rotating drum 18 and is welded and fixed to the propeller 15. The rotating shaft 14 is connected and fixed to the inner wall of the rotating drum 11 through the fixing plate 16. A plurality of propellers 15 are arranged on the outside of the rotating shaft 14.

[0024] In order to limit the movement of the sleeve 19, the outer side of the sleeve 19 is fixedly connected to the guide bar, and a guide groove is opened on the inner wall of the flushing pipe 17. The sleeve 19 is slidably connected to the guide groove inside the flushing pipe 17 through the guide bar, thereby ensuring the overlap and staggered effect of the flushing hole 18 and the matching hole 20.

[0025] Working principle: When flushing, the staff will pass water from the water inlet pipe 2 into the inside of the drum 1 8 through the water supply equipment. When the water passes through the propeller 1 7, it drives the rotating shaft 1 6 and the propeller 1 7 to rotate synchronously. Under the fixation of the fixed plate 1 9, the drum 1 8 and the liquid separation pipe 10 rotate. After entering the liquid separation pipe 10, the water is sprayed out from the nozzle, thereby rotating and flushing the oil sludge surface inside the tank body 1. Then, when the water passes through the propeller 2 15, it drives the rotating shaft 2 14 and the propeller 2 15 to rotate synchronously. Further, under the fixation of the fixed plate 2 16, the drum 2 11 rotates and drives the stirring piece 1 2 is stirred to clean the sludge and improve the efficiency of sludge cleaning. The rotating drum 11 will synchronously drive the flushing pipe 17 to rotate and push the sleeve 19 to move inside the flushing pipe 17 under the action of water pressure, squeezing the spring 21 while making the flushing hole 18 and the matching hole 20 coincide. At this time, water is sprayed out from the flushing hole 18 and flushes the inside of the sludge to reduce the resistance of the sludge. When the sludge is cleaned, the sleeve 19 is pushed to move under the elastic force of the spring 21, so that the flushing hole 18 and the matching hole 20 are staggered to prevent subsequent impurities from entering the inside of the flushing pipe 17.

[0026] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0027] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for flushing sludge from the bottom of an oil storage tank, comprising a tank body (1), characterized in that: The tank body (1) is fixedly connected to the outside of the water inlet pipe (2), a valve body (3) is provided on the water inlet pipe (2), a pressure gauge (4) is provided on the outside of the water inlet pipe (2), the inside of the water inlet pipe (2) is fixedly connected to the support frame (5), the support frame (5) is rotatably connected to the outside of the rotating shaft (6), the top of the rotating shaft (6) is fixedly connected to the propeller (7), one end of the water inlet pipe (2) is rotatably connected to the rotating drum (8), the outside of the propeller (7) is fixedly connected to the fixed plate (9), the outside of the rotating drum (8) is fixedly connected to the liquid dispensing pipe (10), the rotating drum (8) is connected to the rotating drum (11) One end is rotatably connected, the inner wall of the rotating drum (8) is fixedly connected to the supporting frame (13), the supporting frame (13) is rotatably connected to the outer side of the rotating shaft (14), one end of the rotating shaft (14) is fixedly connected to the propeller (15), the outer side of the rotating shaft (14) is fixedly connected to the fixed plate (16), the outer side of the rotating drum (11) is fixedly connected to the flushing pipe (17), the outer side of the flushing pipe (17) is provided with a flushing hole (18), the inner side of the flushing pipe (17) is provided with a sleeve (19), the outer side of the sleeve (19) is provided with a matching hole (20), and the inner side of the flushing pipe (17) is provided with a spring (21).

2. The oil tank bottom sludge flushing device according to claim 1, characterized in that: The outer side of the rotating shaft (6) is rotatably connected to the support frame (5) through a bearing sleeve, the top end of the rotating shaft (6) extends to the top of the support frame (5) and is fixedly connected to the propeller (7), and the rotating shaft (6) is fixedly connected to the inner wall of the rotating drum (8) through a fixing plate (9).

3. The oil tank bottom sludge flushing device according to claim 1, characterized in that: The number of the liquid dispensing pipes (10) is four and they are symmetrically distributed. The liquid dispensing pipes (10) are connected to the interior of the first rotating drum (8). The bottom surface of the liquid dispensing pipe (10) is fixedly connected to a plurality of nozzles.

4. The oil tank bottom sludge flushing device according to claim 1, characterized in that: The stirring blades (12) are arranged with smooth surfaces. The stirring blades (12) are distributed on the upper and lower sides of the flushing pipe (17). The stirring blades (12) are evenly and symmetrically distributed around the second rotating drum (11) in a circular shape.

5. The oil tank bottom sludge flushing device according to claim 1, characterized in that: The top end of the second rotating shaft (14) extends to the inside of the first rotating drum (8) and is fixedly connected to the second propeller (15). The second rotating shaft (14) is fixedly connected to the inner wall of the second rotating drum (11) through the second fixing plate (16). A plurality of second propellers (15) are arranged on the outside of the second rotating shaft (14).

6. The oil tank bottom sludge flushing device according to claim 1, characterized in that: The sleeve (19) is slidably connected to the inside of the flushing pipe (17), and the two ends of the spring (21) are respectively connected and fixed to the flushing pipe (17) and the sleeve (19).

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