High-pressure water injection nozzle of hydrogenation device

By designing the structure of the high-pressure water injection nozzle, the problem of poor oil-gas mixing in the diesel hydrotreating unit was solved, sufficient oil-gas mixing and pipeline corrosion protection were achieved, the installation process of the water injection device was simplified, and air tightness was ensured.

CN223300191UActive Publication Date: 2025-09-05BEIJING YANSHAN YULONG PEC
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Patent Information

Application Number
CN202422657080.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-01
Publication Date
2025-09-05
Estimated Expiration
2034-11-01

AI Technical Summary

Technical Problem

The water injection device of the high-pressure air cooler of the existing diesel hydrotreating unit has poor oil, gas and water mixing effect, resulting in poor processing effect and pipeline corrosion.

Method used

A high-pressure water injection nozzle for a hydrogenation device is designed, which includes an injection pipe, a connecting piece, a water delivery cylinder, a nozzle, a flow limiting hole, and a liquid outlet. The flow limiting hole converts the pressure energy of the water flow into kinetic energy to achieve high-pressure water jet atomization, and a special nozzle is used to limit the angle to improve the mixing effect. At the same time, a flange and sealing ring structure are used to facilitate disassembly and assembly and improve air tightness.

Benefits of technology

It achieves full mixing of oil and gas, improves processing effect, prevents pipeline corrosion, facilitates installation and removal of water injection pipes, and ensures air tightness.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The high-pressure water injection nozzle comprises a second sleeve, a gas conveying pipe is welded to the bottom end of the second sleeve, a liquid injection pipe is movably connected to the interior of the second sleeve, the second sleeve is communicated with the interior of the gas conveying pipe, and an atomization structure used for improving the mixing effect is arranged at the bottom end of the liquid injection pipe. According to the high-pressure water injection nozzle of the hydrogenation device, the liquid injection pipe is arranged, water is injected through the liquid injection pipe by conveying equipment during mixing, the flow limiting hole can shrink the cross sectional area through which water flows when the water passes through the interior of the flow limiting hole, the pressure energy of high-pressure water is converted into kinetic energy, and finally the water is sprayed out in a high-pressure water jet manner through the liquid outlet; and the spray nozzle is of a special structure, so that the spray included angle can be limited, water is sprayed out in a large-area atomization manner to improve the mixing effect, and the problem that the oil-water mixing effect is poor is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of gas-liquid mixing devices, in particular to a high-pressure water injection nozzle for a hydrogenation device. Background Art

[0002] The high-pressure air cooler of the current diesel hydrotreating unit is generally equipped with a water injection device on the main pipe of the inlet pipeline. Adding water to the oil and gas through the water injection device can quickly mix the water and oil and gas. This is a very important step in the field of diesel processing.

[0003] However, the water injection device currently used on the inlet pipe of the high-pressure air cooler of the diesel hydrotreating unit still has some defects in use. The mixing effect of oil, gas and water is poor during water injection, which not only affects the processing effect but also causes corrosion of the pipe.

[0004] Now a new type of high-pressure water injection nozzle for hydrogenation device is proposed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a high-pressure water injection nozzle for a hydrogenation device to solve the problem of poor oil-water mixing effect proposed in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a high-pressure water injection nozzle for a hydrogenation device, comprising a second sleeve, a gas pipe welded to the bottom end of the second sleeve, a liquid injection pipe movably connected to the interior of the second sleeve, the second sleeve being in communication with the interior of the gas pipe, and an atomizing structure for improving mixing effect being provided at the bottom end of the liquid injection pipe;

[0007] The atomization structure includes a connecting piece, the liquid injection tube passes through the second sleeve and extends to the inside of the air pipe and is fixedly connected to the connecting piece, the bottom end of the connecting piece is fixedly connected to the water delivery cylinder, a limited flow hole is provided inside the connecting piece, one side of the inside of the water delivery cylinder is fixedly connected to the liquid outlet, a groove is provided on one side of the water delivery cylinder, and one side of the inside of the groove is fixedly connected to the nozzle.

[0008] Preferably, the flow limiting hole is communicated with the interior of the water delivery cylinder, and the center line of the water delivery cylinder and the center line of the liquid injection pipe are on the same vertical plane.

[0009] Preferably, the liquid outlet is communicated with the interior of the nozzle, and the center line of the connecting piece and the center line of the water delivery cylinder are on the same vertical plane.

[0010] Preferably, the top end of the second sleeve is fixedly connected to the first flange, the outside of the injection tube is welded with a positioning plate, the top end of the positioning plate is movably connected to the second flange, the top end of the second flange is fixedly connected to the first sleeve, the top ends of the second flange and the first flange are provided with connecting holes, the top end of the second flange is movably connected to a connecting bolt, and the connecting bolt passes through the connecting hole and is movably connected to a connecting nut.

[0011] Preferably, the connecting nut is movably connected to the first flange, and the center line of the first flange and the center line of the second flange are on the same vertical plane.

[0012] Preferably, the positioning plate is movably connected to the first flange, and the first sleeve is fixed to the injection pipe by welding.

[0013] Preferably, a fixing sleeve is fixedly connected to the top end of the gas pipe, and a sealing ring is fixedly connected to the inside of the fixing sleeve.

[0014] Preferably, the sealing ring is movably connected to the liquid injection tube, and the fixed sleeve is communicated with the interior of the second sleeve.

[0015] Compared with the prior art, the beneficial effects of the present invention are: the high-pressure water injection nozzle of the hydrogenation device can not only fully mix water with oil and gas, but also facilitate the disassembly and assembly of the water injection pipe, and improve the air tightness to prevent leakage;

[0016] (1) By providing a liquid injection pipe, a connecting piece, a groove, a water delivery cylinder, a nozzle, a flow-limiting hole and a liquid outlet, the conveying equipment injects water through the liquid injection pipe during mixing. When the water passes through the flow-limiting hole, the flow-limiting hole can shrink the cross-sectional area of ​​the water flow, converting the pressure energy of the high-pressure water into kinetic energy. Finally, the water is ejected through the liquid outlet in the form of a high-pressure water jet, achieving a good spray effect. The nozzle is a special structure that can limit the spray angle, so that the water is sprayed in a large area in atomization to improve the mixing effect, thereby achieving full mixing of gas and liquid;

[0017] (2) By providing a first flange, a second flange, a positioning plate, an injection pipe, a first sleeve, a connecting bolt, a connecting nut, a second sleeve and a connecting hole, when in use, the injection pipe is inserted into the interior of the gas pipe through the second sleeve, and the positioning plate is fitted on the top of the first flange, and then the first sleeve is sleeved on the outside of the injection pipe, so that the second flange is fitted on the top of the positioning plate, and then the connecting bolt is passed through the connecting hole and connected to the connecting nut, and the connecting nut is tightened to position the first flange and the second flange, so that the injection pipe is positioned by the positioning plate between them, so that the water injection pipe can be easily disassembled and assembled;

[0018] (3) By providing an injection pipe, a fixed sleeve and a sealing ring, when installing the injection pipe, the injection pipe is passed through the interior of the fixed sleeve and then inserted into the interior of the gas pipe. The sealing ring inside the fixed sleeve fits against the outside of the injection pipe, which can effectively improve the sealing between the fixed sleeve and the injection pipe, preventing oil and gas inside the gas pipe from leaking out. In addition, the sealing ring can increase the friction to prevent the rotation of the injection pipe from affecting the angle of the nozzle, so that the injection direction of the nozzle is consistent with the direction of the air flow, thereby effectively ensuring air tightness. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the front cross-sectional structure of the present utility model;

[0020] Figure 2 This is a schematic diagram of the side structure of the groove of the utility model;

[0021] Figure 3 For the utility model Figure 1 A in the middle is an enlarged structural diagram;

[0022] Figure 4 This is a schematic diagram of the top view of the first flange of the present invention.

[0023] In the figure: 1. gas pipe; 2. first flange; 3. second flange; 4. positioning plate; 5. liquid injection pipe; 6. first sleeve; 7. connecting bolt; 8. connecting nut; 9. second sleeve; 10. fixing sleeve; 11. sealing ring; 12. connecting plate; 13. groove; 14. water cylinder; 15. nozzle; 16. flow limiting hole; 17. liquid outlet; 18. connecting hole. DETAILED DESCRIPTION

[0024] 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.

[0025] Example 1: Please refer to Figure 1-4 A high-pressure water injection nozzle for a hydrogenation device includes a second sleeve 9, a gas pipe 1 is welded to the bottom end of the second sleeve 9, a liquid injection pipe 5 is movably connected to the interior of the second sleeve 9, the second sleeve 9 is connected to the interior of the gas pipe 1, and an atomizing structure for improving the mixing effect is provided at the bottom end of the liquid injection pipe 5;

[0026] The atomizing structure includes a connecting piece 12. The liquid injection tube 5 passes through the second sleeve 9 and extends to the inside of the air supply pipe 1, where it is fixedly connected to the connecting piece 12. The bottom end of the connecting piece 12 is fixedly connected to a water supply cylinder 14. A flow limiting hole 16 is provided inside the connecting piece 12. A liquid outlet 17 is fixedly connected to one side of the water supply cylinder 14. A groove 13 is provided on one side of the water supply cylinder 14. A nozzle 15 is fixedly connected to one side of the groove 13.

[0027] The flow limiting hole 16 is connected to the interior of the water delivery cylinder 14, and the center line of the water delivery cylinder 14 and the center line of the liquid injection pipe 5 are on the same vertical plane;

[0028] The liquid outlet 17 is connected to the interior of the nozzle 15, and the center line of the connecting piece 12 and the center line of the water delivery cylinder 14 are on the same vertical plane;

[0029] Specifically, if Figure 1 、 Figure 2 and Figure 3 As shown, during mixing, the conveying equipment injects water through the injection pipe 5. When the water passes through the flow-limiting hole 16, the flow-limiting hole 16 can shrink the cross-sectional area of ​​the water flow, converting the pressure energy of the high-pressure water into kinetic energy. Finally, the water is ejected through the liquid outlet 17 in the form of a high-pressure water jet, achieving a good spray effect. The nozzle 15 is a special structure that can limit the spray angle, so that the water is sprayed in a large area in atomization to improve the mixing effect, thereby achieving an improved mixing effect of water and oil and gas.

[0030] Example 2: The top of the second sleeve 9 is fixedly connected to the first flange 2, the outside of the injection tube 5 is welded to the positioning plate 4, the top of the positioning plate 4 is movably connected to the second flange 3, the top of the second flange 3 is fixedly connected to the first sleeve 6, the tops of the second flange 3 and the first flange 2 are provided with connecting holes 18, the top of the second flange 3 is movably connected to a connecting bolt 7, the connecting bolt 7 passes through the connecting hole 18 and is movably connected to a connecting nut 8;

[0031] The connecting nut 8 is movably connected to the first flange 2, and the center line of the first flange 2 and the center line of the second flange 3 are on the same vertical plane; the positioning plate 4 is movably connected to the first flange 2, and the first sleeve 6 is welded and fixed to the injection pipe 5;

[0032] Specifically, if Figure 1 and Figure 4As shown, when in use, the liquid injection pipe 5 is inserted into the interior of the gas pipe 1 through the second sleeve 9, and the positioning plate 4 is fitted on the top of the first flange 2. Then the first sleeve 6 is sleeved on the outside of the liquid injection pipe 5, so that the second flange 3 is fitted on the top of the positioning plate 4. Then the connecting bolt 7 is passed through the connecting hole 18 and connected with the connecting nut 8. Tightening the connecting nut 8 can position the first flange 2 and the second flange 3, so that the liquid injection pipe 5 is positioned through the positioning plate 4 in between, which makes it convenient to disassemble and assemble the water injection pipe.

[0033] Example 3: A fixed sleeve 10 is fixedly connected to the top of the gas pipe 1, and a sealing ring 11 is fixedly connected to the inside of the fixed sleeve 10;

[0034] The sealing ring 11 is movably connected to the injection tube 5, and the fixed sleeve 10 is connected to the interior of the second sleeve 9;

[0035] Specifically, if Figure 1 As shown, when installing the injection pipe 5, the injection pipe 5 is passed through the interior of the fixed sleeve 10 and then inserted into the interior of the gas pipe 1. The sealing ring 11 inside the fixed sleeve 10 fits against the outside of the injection pipe 5, which can effectively improve the sealing between the fixed sleeve 10 and the injection pipe 5, preventing the oil and gas inside the gas pipe 1 from leaking, and the sealing ring 11 can increase the friction to prevent the injection pipe 5 from rotating and affecting the angle of the nozzle 15, so that the injection direction of the nozzle 15 is consistent with the airflow direction, thereby effectively ensuring air tightness.

[0036] Working principle: When the utility model is in use, the injection pipe 5 is inserted into the interior of the gas pipe 1 through the second sleeve 9, and the positioning plate 4 is fitted on the top of the first flange 2, and then the first sleeve 6 is sleeved on the outside of the injection pipe 5, so that the second flange 3 is fitted on the top of the positioning plate 4, and then the connecting bolt 7 is passed through the connecting hole 18 and connected with the connecting nut 8. After tightening the connecting nut 8, the first flange 2 and the second flange 3 can be positioned, so that the injection pipe 5 can be positioned through the positioning plate 4 in between. When installing the injection pipe 5, the injection pipe 5 is inserted into the interior of the gas pipe 1 after passing through the interior of the fixed sleeve 10, and the sealing ring 11 inside the fixed sleeve 10 is fitted on the outside of the injection pipe 5. The sealing between the fixed sleeve 10 and the injection pipe 5 is effectively improved to prevent the oil and gas inside the gas pipeline 1 from leaking, and the sealing ring 11 can increase the friction to prevent the rotation of the injection pipe 5 from affecting the angle of the nozzle 15, so that the injection direction of the nozzle 15 is consistent with the direction of the air flow. When mixing, the conveying equipment injects water through the injection pipe 5. When the water passes through the flow-limiting hole 16, the flow-limiting hole 16 can shrink the cross-sectional area of ​​the water flow, and convert the pressure energy of the high-pressure water into kinetic energy. Finally, the water is ejected through the liquid outlet 17 in the form of a high-pressure water jet, which has a good spray effect. The nozzle 15 is a special structure that can limit the spray angle, so that the water is atomized and sprayed over a large area to improve the mixing effect.

Claims

1. A high-pressure water injection nozzle for a hydrogenation device, comprising a second sleeve (9), characterized in that: The bottom end of the second sleeve (9) is welded with an air delivery pipe (1), the interior of the second sleeve (9) is movably connected with a liquid injection pipe (5), the second sleeve (9) is connected to the interior of the air delivery pipe (1), and the bottom end of the liquid injection pipe (5) is provided with an atomization structure for improving the mixing effect; The atomization structure includes a connecting piece (12), the liquid injection pipe (5) passes through the second sleeve (9) and extends to the inside of the air delivery pipe (1) and is fixedly connected to the connecting piece (12), the bottom end of the connecting piece (12) is fixedly connected to a water delivery cylinder (14), a flow limiting hole (16) is provided inside the connecting piece (12), a liquid outlet (17) is fixedly connected to one side of the water delivery cylinder (14), a groove (13) is provided on one side of the water delivery cylinder (14), and a nozzle (15) is fixedly connected to one side of the groove (13).

2. The high-pressure water injection nozzle of a hydrogenation device according to claim 1, characterized in that: The flow-limiting hole (16) is connected to the interior of the water delivery cylinder (14), and the center line of the water delivery cylinder (14) and the center line of the liquid injection pipe (5) are on the same vertical plane.

3. The high-pressure water injection nozzle of a hydrogenation device according to claim 1, characterized in that: The liquid outlet (17) is communicated with the interior of the nozzle (15), and the center line of the connecting piece (12) and the center line of the water delivery cylinder (14) are on the same vertical plane.

4. The high-pressure water injection nozzle of a hydrogenation device according to claim 1, characterized in that: The top end of the second sleeve (9) is fixedly connected to the first flange (2), the outside of the injection tube (5) is welded with a positioning plate (4), the top end of the positioning plate (4) is movably connected to the second flange (3), the top end of the second flange (3) is fixedly connected to the first sleeve (6), the top ends of the second flange (3) and the first flange (2) are provided with connecting holes (18), the top end of the second flange (3) is movably connected to a connecting bolt (7), and the connecting bolt (7) passes through the connecting hole (18) and is movably connected to a connecting nut (8).

5. The high-pressure water injection nozzle of a hydrogenation device according to claim 4, characterized in that: The connecting nut (8) is movably connected to the first flange (2), and the center line of the first flange (2) and the center line of the second flange (3) are on the same vertical plane.

6. The high-pressure water injection nozzle of a hydrogenation device according to claim 4, characterized in that: The positioning plate (4) is movably connected to the first flange (2), and the first sleeve (6) is fixed to the liquid injection pipe (5) by welding.

7. The high-pressure water injection nozzle of a hydrogenation device according to claim 1, characterized in that: A fixed sleeve (10) is fixedly connected to the top end of the gas delivery pipe (1), and a sealing ring (11) is fixedly connected to the interior of the fixed sleeve (10).

8. The high-pressure water injection nozzle of a hydrogenation device according to claim 7, characterized in that: The sealing ring (11) is movably connected to the liquid injection tube (5), and the fixed sleeve (10) is connected to the interior of the second sleeve (9).