A structure of a feed diffuser for a storage tank

Abstract

The present application belongs to the field of petrochemical industry, especially to a kind of storage tank feed diffusion pipe structure, aiming at the problem that when large flow oil product enters, due to the flow velocity is too fast, impact force is easy to produce, which causes damage to oil tank internal components and inner floating disc and generates static electricity, the following scheme is proposed, which includes tank body, the side of the tank body is fixedly connected with the first connecting pipe for liquid inlet, one end of the first connecting pipe is fixedly connected with the size head, in the present application, the medium entering the tank body can be impacted, effectively reducing the flow and kinetic energy of the oil entering the oil tank, thereby avoiding the impact force on the inner floating disc and the tank body, avoiding static electricity, improving the storage safety and service life of the tank body, at the same time, the spring supports the piston, reduces the impact force of the medium, improves the stability of the medium diffusion, maintains the safety of the pipeline, and also filters the medium by using the filter cartridge in the extension pipe, maintains the cleanliness of the medium.

Description

Technical Field

[0001] This invention relates to the field of petrochemical technology, and in particular to a storage tank feed diffuser structure. Background Technology

[0002] In the oil storage process, the receiving system of the oil tank has a significant impact on the quality and storage safety of the oil. Traditional oil tank receiving systems use diffuser pipes, which have a simple structure. However, when large volumes of oil enter, the high flow rate can generate impact forces, damaging internal tank components and the internal floating roof, and generating static electricity. Therefore, reducing the kinetic energy of the oil entering the tank and minimizing the impact force on the internal floating roof is a problem that urgently needs to be solved by those skilled in the art. To address this, a new diffuser pipe structure for oil tank inlets is proposed. Summary of the Invention

[0003] The purpose of this invention is to address the shortcomings of existing technologies where large-volume oil inflows, due to excessively high flow rates, can easily generate impact forces, causing damage to internal components and the internal floating plate of the oil tank, as well as generating static electricity. Therefore, this invention proposes a storage tank feed diffuser structure.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A storage tank feed diffuser structure includes a tank body, a first connecting pipe for liquid inlet fixedly connected to one side of the tank body, a reducer fixedly connected to one end of the first connecting pipe, the smaller end of the reducer fixedly communicating with the first connecting pipe, a diffuser fixedly connected to the larger end of the reducer, the diffuser being located inside the tank body, and multiple sets of first diffuser holes and second diffuser holes being opened around the circumference of the diffuser, the first diffuser holes and second diffuser holes having different diameters and being spaced apart.

[0006] A counter-flush box is fixedly connected to the bottom inner wall of the tank. The diffuser tube is located inside the counter-flush box. Multiple through-holes are opened on the circumferential inner wall of the counter-flush box. The multiple counter-flush holes correspond to the first diffuser hole and the second diffuser hole, respectively.

[0007] One end of the first connecting pipe is fixedly connected to a bend, one side of the bend is fixedly connected to a secondary pipe, and the other end of the secondary pipe passes through the tank and is fixedly connected to the counter-flush box.

[0008] In one possible design, a second connecting pipe is fixedly connected to the side of the tank away from the first connecting pipe. The second connecting pipe is fixedly connected to the diffuser pipe. A buffer cylinder is fixedly connected to the other end of the second connecting pipe. A piston is slidably connected inside the buffer cylinder. A spring is fixedly connected between the piston and the inner wall of one end of the buffer cylinder. An air outlet pipe is fixedly connected to the bottom of the buffer cylinder.

[0009] In one possible design, the bottom of the bend is fixedly connected to an extension tube, a filter cartridge is inserted into the extension tube, a sealing cap is fixedly connected to the bottom of the extension tube, and a support cylinder for supporting the filter cartridge is fixedly connected to the inner wall of one end of the sealing cap. The filter cartridge extends into the bend for filtering the incoming liquid.

[0010] In one possible design, the bottom of the filter cartridge is fixedly connected to multiple fixing rods arranged in a ring. The bottom of the sealing cover is fixedly connected to a fixing cylinder, and a pneumatic motor is fixedly installed at the bottom of the fixing cylinder. An air inlet pipe is provided on one side of the pneumatic motor, and the air inlet pipe is fixedly connected to an air outlet pipe. One end of the output shaft of the pneumatic motor is fixedly connected to a drive shaft, and one end of the drive shaft passes through the sealing cover and is fixedly connected to a rubber rod. The rubber rod works in conjunction with the multiple fixing rods.

[0011] In one possible design, a one-way exhaust valve is installed around the circumference of the exhaust pipe, and a one-way intake valve is fixedly installed at the bottom of the exhaust pipe, with the one-way intake valve located between the one-way exhaust valve and the buffer cylinder.

[0012] In one possible design, pressure gauges are fixedly installed around the circumference of both the first connecting pipe and the secondary pipe.

[0013] In one possible design, the inner circumferential wall of the counter-flush box is fixedly connected with multiple fixed posts, and the circumference of the diffuser tube is fixedly installed with multiple clamps, which are respectively fixed to the fixed posts.

[0014] In one possible design, one end of the diffuser tube is provided with a slope, the slope being inclined at an angle of forty-five degrees.

[0015] In one possible design, the diameters of the first and second diffusion holes are 15mm and 30mm, respectively.

[0016] In one possible design, the spacing between adjacent first and second diffusion holes is 75mm-110mm.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] 1. This invention uses the combination of the anti-flush box and the anti-flush pipe to flush the medium entering the tank, effectively reducing the flow rate and kinetic energy of the oil entering the tank, thereby avoiding the impact force on the internal floating roof and the tank, preventing static electricity, and improving the storage safety and service life of the tank.

[0019] 2. By incorporating a buffer cylinder, this invention enables the medium to push the piston when the impact force is large. The piston is then supported by a spring, reducing the impact force of the medium, improving the stability of medium diffusion, and maintaining pipeline safety.

[0020] 3. The present invention utilizes the combined use of the extension tube and the filter cartridge to filter the medium using the filter cartridge inside the extension tube, thereby maintaining the cleanliness of the medium.

[0021] 4. The present invention uses a pneumatic motor to enable the rubber rod to contact one of the fixed rods, thereby deforming it and colliding with the other fixed rod during resetting, which causes the filter cartridge to vibrate, facilitating the falling of impurities filtered by the filter cartridge and improving the filtration effect of the filter cartridge.

[0022] In this invention, the medium entering the tank can be flushed, effectively reducing the flow rate and kinetic energy of the oil entering the tank, thereby avoiding the impact force on the internal floating roof and the tank body, preventing static electricity, improving the storage safety and service life of the tank body, and at the same time, the piston is supported by springs to reduce the impact force of the medium, improve the stability of medium diffusion, maintain the safety of the pipeline, and the filter cartridge in the extension pipe is used to filter the medium to maintain the cleanliness of the medium. Attached Figure Description

[0023] Figure 1 This is a three-dimensional structural diagram of a storage tank feed diffuser structure proposed in this invention;

[0024] Figure 2 This is a cross-sectional schematic diagram of a storage tank feed diffuser structure proposed in this invention;

[0025] Figure 3 This is an enlarged structural diagram of point A of the storage tank feed diffuser structure proposed in this invention;

[0026] Figure 4 This is a cross-sectional view of the buffer cylinder structure of the storage tank feed diffuser pipe proposed in this invention;

[0027] Figure 5 This is a schematic cross-sectional view of the bent pipe and extension pipe of the storage tank feed diffuser structure proposed in this invention.

[0028] Figure 6 This is an enlarged schematic diagram of point B of a storage tank feed diffuser structure proposed in this invention.

[0029] In the diagram: 1. Tank body; 2. First connecting pipe; 3. Bend; 4. Extension pipe; 5. Reducer; 6. Diffuser; 7. Counter-flush box; 8. Counter-flush hole; 9. First diffuser hole; 10. Second diffuser hole; 12. Sub-pipe; 13. Fixing column; 14. Clamp; 15. Air outlet pipe; 16. One-way air outlet valve; 17. One-way air inlet valve; 18. Second connecting pipe; 19. Buffer cylinder; 20. Piston; 21. Spring; 22. Inclined surface; 23. Filter cartridge; 24. Fixing cylinder; 25. Pneumatic motor; 26. Air inlet pipe; 27. Drive shaft; 28. Fixing rod; 29. ​​Rubber rod; 30. Pressure gauge; 31. Sealing cover; 32. Support cylinder. Detailed Implementation

[0030] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0031] Example 1

[0032] Reference Figure 1 - Figure 6 A storage tank feed diffuser structure includes a tank body 1. A first connecting pipe 2 for liquid inlet is fixedly connected to one side of the tank body 1. A reducer 5 is fixedly connected to one end of the first connecting pipe 2. The first connecting pipe 2 and the reducer 5 are connected by a flange. The small end of the reducer 5 is fixedly connected to the first connecting pipe 2. A diffuser 6 is fixedly connected to the large end of the reducer 5. The diffuser 6 is located inside the tank body 1. Multiple sets of first diffuser holes 9 and second diffuser holes 10 are opened on the circumference of the diffuser 6. The first diffuser holes 9 and second diffuser holes 10 have different diameters and are arranged at intervals. By opening the alternating first diffuser holes 9 and second diffuser holes 10 on the main wall of the diffuser 6 and setting an appropriate spacing between adjacent first diffuser holes 9 and second diffuser holes 10, a large flow of oil can be continuously output to other directions when passing through the diffuser 6. This structural design effectively reduces the flow rate and kinetic energy of oil entering the tank body 1, thereby reducing the impact force on the internal floating roof and improving the storage safety and service life of the tank body 1.

[0033] A flushing box 7 is fixedly connected to the bottom inner wall of the tank body 1. The diffuser tube 6 is located inside the flushing box 7. Multiple through flushing holes 8 are opened on the circumferential inner wall of the flushing box 7. The multiple flushing holes 8 correspond to the first diffuser hole 9 and the second diffuser hole 10 respectively.

[0034] One end of the first connecting pipe 2 is fixedly connected to a bend 3, and one side of the bend 3 is fixedly connected to a secondary pipe 12. The other end of the secondary pipe 12 passes through the tank body 1 and is fixedly connected to the flushing box 7. The flushing holes 8 correspond to the first diffusion hole 9 and the second diffusion hole 10 respectively, thereby flushing the medium entering the tank body 1 and effectively reducing the flow rate and kinetic energy of the oil entering the oil tank.

[0035] Example 2

[0036] Reference Figure 1 - Figure 6 Based on Embodiment 1, the present invention provides a new technical solution:

[0037] In this invention, a second connecting pipe 18 is fixedly connected to the side of the tank body 1 away from the first connecting pipe 2. The second connecting pipe 18 is fixedly connected to the diffuser pipe 6. The other end of the second connecting pipe 18 is fixedly connected to a buffer cylinder 19. A piston 20 is slidably connected inside the buffer cylinder 19. A spring 21 is fixedly connected between the piston 20 and the inner wall of one end of the buffer cylinder 19. An air outlet pipe 15 is fixedly connected to the bottom of the buffer cylinder 19. When the impact force is large, the medium enters the buffer cylinder 19 through the second connecting pipe 18, and at the same time pushes the piston 20 to move. The spring 21 supports the piston 20, reducing the impact force of the medium and improving the stability of the medium diffusion.

[0038] In particular, the bottom of the bend 3 is fixedly connected to an extension tube 4, and a filter cartridge 23 is inserted into the extension tube 4. A slide and a sliding plate are provided between the filter cartridge 23 and the extension tube 4 to prevent the filter cartridge 23 from rotating. A sealing cap 31 is fixedly connected to the bottom of the extension tube 4. A support cylinder 32 for supporting the filter cartridge 23 is fixedly connected to the inner wall of one end of the sealing cap 31. The filter cartridge 23 extends into the bend 3 to filter the incoming liquid. When the medium passes through the bend 3, the medium is filtered by the filter cartridge 23 in the extension tube 4 to maintain the cleanliness of the medium.

[0039] It should be noted that multiple fixing rods 28 are fixedly connected to the bottom of the filter cartridge 23, and the multiple fixing rods 28 are arranged in a ring. A fixing cylinder 24 is fixedly connected to the bottom of the sealing cover 31, and a pneumatic motor 25 is fixedly installed at the bottom of the fixing cylinder 24. An air inlet pipe 26 is provided on one side of the pneumatic motor 25, and the air inlet pipe 26 is fixedly connected to the air outlet pipe 15. One end of the output shaft of the pneumatic motor 25 is fixedly connected to a drive shaft 27. One end of the drive shaft 27 passes through the sealing cover 31 and is fixedly connected to a rubber rod 29. The rubber rod 29 and the multiple fixing rods 28 are connected to each other. When used in conjunction, the gas discharged from the exhaust pipe 15 enters the pneumatic motor 25 after passing through the one-way exhaust valve 16, thereby driving the output shaft of the pneumatic motor 25 to rotate. The pneumatic motor 25 drives the drive shaft 27 to rotate, and the drive shaft 27 drives the rubber rod 29 to rotate. The rubber rod 29 contacts one of the fixed rods 28 and deforms. After disengaging, the rubber rod 29 returns to its original position and collides with the other fixed rod 28, thereby causing the filter cartridge 23 to vibrate. This facilitates the falling of impurities filtered by the filter cartridge 23 and improves the filtration effect of the filter cartridge 23.

[0040] In this invention, a one-way air outlet valve 16 is installed around the circumference of the air outlet pipe 15, and a one-way air inlet valve 17 is fixedly installed at the bottom of the air outlet pipe 15. The one-way air inlet valve 17 is located between the one-way air outlet valve 16 and the buffer cylinder 19, and the one-way air inlet valve 17 is used for air to enter the buffer cylinder 19.

[0041] In particular, pressure gauges 30 are fixedly installed on the circumference of both the first connecting pipe 2 and the secondary pipe 12, making it convenient for people to observe the pressure gauges 30.

[0042] It should be noted that multiple fixing posts 13 are fixedly connected to the inner circumference of the counter-flush box 7, and multiple clamps 14 are fixedly installed on the circumference of the diffuser tube 6. The clamps 14 are fixed to the fixing posts 13 respectively. The clamps 14 and the fixing posts 13 increase the stability of the diffuser tube 6.

[0043] In this invention, one end of the diffuser tube 6 is provided with a slope 22, and the slope 22 is inclined at an angle of forty-five degrees.

[0044] In particular, the diameters of the first diffusion hole 9 and the second diffusion hole 10 are 15mm-30mm, and the distance between adjacent first diffusion holes 9 and second diffusion holes 10 is 75mm-110mm.

[0045] Working principle: During use, the liquid enters the diffuser 6 through the bend 3 and the first connecting pipe 2. The medium is diffused through the first diffuser hole 9 and the second diffuser hole 10 on the diffuser 6. At the same time, part of the medium enters the flushing box 7 through the auxiliary pipe 12 and is flushed out through the flushing hole 8. Since the flushing hole 8 corresponds to the first diffuser hole 9 and the second diffuser hole 10 respectively, the medium entering the tank 1 is flushed, which effectively reduces the flow rate and kinetic energy of the oil entering the tank, thereby avoiding the impact force on the internal floating roof and the tank 1, avoiding static electricity, and improving the storage safety and service life of the tank 1.

[0046] After the medium rushes into the diffuser tube 6, when the impact force is large, the medium enters the buffer cylinder 19 through the second connecting pipe 18, and at the same time pushes the piston 20 to move. The piston 20 is supported by the spring 21 to reduce the impact force of the medium, improve the stability of the medium diffusion, and maintain the safety of the pipeline. Meanwhile, the gas when the piston 20 moves enters and exits through the gas outlet pipe 15.

[0047] When the medium passes through the bend 3, it is filtered by the filter cartridge 23 in the extension pipe 4 to maintain the cleanliness of the medium. The gas discharged from the vent pipe 15 enters the pneumatic motor 25 after passing through the one-way vent valve 16, which in turn drives the output shaft of the pneumatic motor 25 to rotate. The pneumatic motor 25 drives the drive shaft 27 to rotate, and the drive shaft 27 drives the rubber rod 29 to rotate. The rubber rod 29 contacts one of the fixed rods 28 and deforms. After it breaks contact, the rubber rod 29 returns to its original position and collides with the other fixed rod 28, which causes the filter cartridge 23 to vibrate. This facilitates the falling of impurities filtered by the filter cartridge 23 and improves the filtration effect of the filter cartridge 23.

[0048] However, as is well known to those skilled in the art, the working principle and wiring method of the pneumatic motor 25 are commonplace and are all conventional methods or common knowledge, so they will not be described in detail here. Those skilled in the art can make any selections according to their needs or convenience.

[0049] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A storage tank feed diffuser structure, comprising a tank body (1), characterized in that, A first connecting pipe (2) for liquid inlet is fixedly connected to one side of the tank body (1). A reducer (5) is fixedly connected to one end of the first connecting pipe (2). The small end of the reducer (5) is fixedly connected to the first connecting pipe (2). A diffuser (6) is fixedly connected to the large end of the reducer (5). The diffuser (6) is located inside the tank body (1). Multiple sets of first diffuser holes (9) and second diffuser holes (10) are opened on the circumference of the diffuser (6). The first diffuser holes (9) and second diffuser holes (10) have different diameters and are spaced apart. The bottom inner wall of the tank (1) is fixedly connected to a counter-flush box (7), the diffuser (6) is located inside the counter-flush box (7), and the inner circumferential wall of the counter-flush box (7) is provided with a plurality of through counter-flush holes (8), which correspond to the first diffuser hole (9) and the second diffuser hole (10) respectively. One end of the first connecting pipe (2) is fixedly connected to a bend pipe (3), one side of the bend pipe (3) is fixedly connected to a secondary pipe (12), and the other end of the secondary pipe (12) passes through the tank body (1) and is fixedly connected to the counter-flush box (7).

2. The storage tank feed diffuser structure according to claim 1, characterized in that, A second connecting pipe (18) is fixedly connected to the side of the tank (1) away from the first connecting pipe (2). The second connecting pipe (18) is fixedly connected to the diffuser pipe (6). The other end of the second connecting pipe (18) is fixedly connected to a buffer cylinder (19). A piston (20) is slidably connected inside the buffer cylinder (19). A spring (21) is fixedly connected between the piston (20) and the inner wall of one end of the buffer cylinder (19). An air outlet pipe (15) is fixedly connected to the bottom of the buffer cylinder (19).

3. The storage tank feed diffuser structure according to claim 2, characterized in that, The bottom of the bent tube (3) is fixedly connected to an extension tube (4), and a filter cartridge (23) is inserted into the extension tube (4). A sealing cap (31) is fixedly connected to the bottom of the extension tube (4). A support cylinder (32) for supporting the filter cartridge (23) is fixedly connected to the inner wall of one end of the sealing cap (31). The filter cartridge (23) extends into the bent tube (3) for filtering the incoming liquid.

4. The storage tank feed diffuser structure according to claim 3, characterized in that, The bottom of the filter cartridge (23) is fixedly connected to multiple fixing rods (28), which are arranged in a ring. The bottom of the sealing cover (31) is fixedly connected to a fixing cylinder (24), and a pneumatic motor (25) is fixedly installed at the bottom of the fixing cylinder (24). An air inlet pipe (26) is provided on one side of the pneumatic motor (25), and the air inlet pipe (26) is fixedly connected to the air outlet pipe (15). One end of the output shaft of the pneumatic motor (25) is fixedly connected to a drive shaft (27), and one end of the drive shaft (27) passes through the sealing cover (31) and is fixedly connected to a rubber rod (29). The rubber rod (29) is used in conjunction with the multiple fixing rods (28).

5. The storage tank feed diffuser structure according to claim 4, characterized in that, A one-way air outlet valve (16) is installed around the circumference of the air outlet pipe (15), and a one-way air inlet valve (17) is fixedly installed at the bottom of the air outlet pipe (15). The one-way air inlet valve (17) is located between the one-way air outlet valve (16) and the buffer cylinder (19).

6. The storage tank feed diffuser structure according to claim 1, characterized in that, Pressure gauges (30) are fixedly installed on the circumference of both the first connecting pipe (2) and the secondary pipe (12).

7. The storage tank feed diffuser structure according to claim 1, characterized in that, The inner circumference of the counter-flush box (7) is fixedly connected with multiple fixed posts (13), and the circumference of the diffuser tube (6) is fixedly installed with multiple clamps (14), which are respectively fixed to the fixed posts (13).

8. The storage tank feed diffuser structure according to claim 1, characterized in that, One end of the diffuser tube (6) is provided with a slope (22), and the slope (22) has an inclination angle of forty-five degrees.

9. The storage tank feed diffuser structure according to claim 1, characterized in that, The diameters of the first diffusion hole (9) and the second diffusion hole (10) are 15mm-30mm, respectively.

10. The storage tank feed diffuser structure according to claim 1, characterized in that, The distance between adjacent first diffusion holes (9) and second diffusion holes (10) is 75mm-110mm.

Images