High-efficiency separation equipment for natural gas desulfurization liquid regeneration

Abstract

This invention provides a high-efficiency separation device for natural gas desulfurization liquid regeneration, including a liquid distribution plate. The upper surface of the liquid distribution plate has uniformly distributed collection troughs for collecting and redistributing liquid above the regeneration tower. The collection troughs are circular, with a discharge hole at the axial position for initial liquid discharge. A connecting hole is provided on the lower half of the side wall of the discharge hole. At least four buffer holes are provided in the middle of the collection trough, arranged in a ring around the discharge hole. An auxiliary hole is provided at the lower end of the buffer holes to assist in liquid discharge and control the uniform discharge of liquid below the liquid distribution plate. A support ring is fixedly connected to the inner side wall of the buffer holes, and a suspended ball is provided in the middle of the support ring to control the opening or closing of the auxiliary hole, thus controlling the liquid discharge position. This invention can achieve uniform liquid distribution and finely control the flow rate, reducing wall flow effects.

Description

Technical Field

[0001] This utility model relates to the field of regeneration tower technology, and in particular to a high-efficiency separation device for natural gas desulfurization liquid regeneration. Background Technology

[0002] Newly extracted natural gas contains a large amount of hydrogen sulfide. When ignited, hydrogen sulfide produces acidic gases, which, when released into the air, form acid rain, causing serious natural disasters. Therefore, after natural gas extraction, an absorbent is used to absorb the hydrogen sulfide. The gas is then passed into a regeneration tower to separate the solute from the absorbent, restoring it to its original state for reuse. Existing regeneration towers spray liquid onto the packing material, allowing it to flow downwards by gravity. However, during this flow, the liquid tends to pool against the tower wall, a phenomenon known as the "wall flow effect," significantly reducing the spraying and washing efficiency of the packing material. Utility Model Content

[0003] The purpose of this invention is to provide a high-efficiency separation device for natural gas desulfurization liquid regeneration. By setting a liquid distribution plate, the liquid can be evenly distributed, thereby reducing the wall flow effect and solving the problems mentioned in the background art.

[0004] The technical solution adopted by this utility model to solve its technical problem is: a high-efficiency separation device for natural gas desulfurization liquid regeneration, including a liquid distribution plate, wherein a collection tank is evenly distributed on the upper surface of the liquid distribution plate for collecting and redistributing the liquid above the regeneration tower, the collection tank is a circular structure, and a discharge hole for preliminary discharge of liquid is provided at the axial position of the collection tank, and a connecting hole is provided on the side wall of the lower half of the discharge hole.

[0005] The collection tank has at least four buffer holes in the middle, and the four buffer holes are arranged in a ring around the discharge hole. The lower end of the buffer holes is provided with auxiliary holes for assisting in the discharge of liquid and controlling the liquid to be evenly discharged below the liquid distribution plate.

[0006] A support ring is fixedly connected to the inner wall of the buffer hole. A suspended ball is provided in the middle of the support ring to control the opening or closing of the auxiliary hole and control the liquid discharge position. A sealing counterweight ball is provided at the lower end of the suspended ball to seal the auxiliary hole.

[0007] A first connecting pipe and a second connecting pipe are respectively inserted into the four buffer holes. The upper end of the first connecting pipe is lower than that of the second connecting pipe. The first connecting pipe and the second connecting pipe are used to limit the rising height of the suspended ball.

[0008] Preferably, the upper half of the drain hole has a funnel-shaped structure for collecting liquid, and the lower half of the drain hole has a vertical structure for centralized discharge of the collected liquid.

[0009] Preferably, the connecting hole connects the drain hole and the buffer hole, and the connecting hole is inclined to assist in drainage during high-flow-rate drainage.

[0010] Preferably, the inner wall of the support ring has an arc-shaped groove structure, and the suspended ball is located at the arc-shaped groove to increase the sealing performance.

[0011] Preferably, the diameter of the buffer hole is larger than the diameter of the auxiliary hole, the buffer hole and the auxiliary hole penetrate the liquid distribution plate, the opening of the auxiliary hole is provided with a sealing groove, and the sealing counterweight ball is located in the sealing groove to position the sealing counterweight ball.

[0012] Preferably, the lower end of the suspended ball is fixedly connected to a connecting column, both ends of the connecting column pass through support rings, and the lower end of the connecting column is fixedly connected to a sealing counterweight ball. The suspended ball changes the height of the sealing counterweight ball as the liquid level rises, thereby changing the communication area of ​​the auxiliary hole.

[0013] Preferably, a limiting rubber cylinder is fixedly connected to the inner wall of the buffer hole, and the first connecting pipe and the second connecting pipe are both inserted into the limiting rubber cylinder to limit and fix the insertion position of the first connecting pipe and the second connecting pipe.

[0014] Preferably, a blocking ring is fixedly connected to the outer wall of the liquid distribution plate. The upper end of the blocking ring is higher than the liquid distribution plate to block the liquid from reaching from above. A sealing rubber ring is fixed to the outer wall of the blocking ring to seal the outer wall of the blocking ring and prevent liquid from leaking from the outer wall of the blocking ring. The outer wall of the blocking ring is provided with a threaded hole for installation.

[0015] The beneficial effects of this invention are as follows: the blocking ring can block the liquid flowing on the side wall of the tower, causing the liquid to concentrate on the liquid distribution plate, thereby comprehensively collecting the liquid above the regeneration tower. The discharge hole can initially discharge the collected liquid, realizing the functions of liquid collection and initial discharge, and evenly discharging the liquid to various positions below, providing a foundation for subsequent efficient separation. When the liquid flow rate is large, it will lift the suspended ball, thereby opening the auxiliary hole, avoiding liquid volume pressure due to excessive flow, ensuring the normal operation of the equipment under high flow conditions, achieving uniform position during liquid discharge, and realizing fine control of the flow rate, ensuring that the packing is evenly wetted while reducing the generation of wall flow effect when the liquid distribution plate discharges liquid. Attached Figure Description

[0016] Figure 1This is a schematic diagram of the distribution of the collection tank on the liquid distribution plate provided by this utility model.

[0017] Figure 2 This is a schematic diagram of the connection between the liquid distribution plate and the blocking ring provided by this utility model.

[0018] Figure 3 This is a schematic diagram showing the connection between the auxiliary hole and the drain hole provided by this utility model.

[0019] Figure 4 This is a schematic diagram of the connection between the sealed counterweight ball and the suspended ball provided by this utility model.

[0020] In the figure: 1 Liquid distribution plate, 2 Collection tank, 3 Drain hole, 4 First connecting pipe, 5 Second connecting pipe, 6 Blocking ring, 7 Sealing rubber ring, 8 Mounting threaded hole, 9 Buffer hole, 10 Auxiliary hole, 11 Connecting hole, 12 Support ring, 13 Limiting rubber cylinder, 14 Sealing counterweight ball, 15 Suspension ball, 16 Connecting column. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0022] See Figures 1-4 This invention provides a high-efficiency separation device for natural gas desulfurization liquid regeneration, comprising a liquid distribution plate 1. Collection troughs 2 are evenly distributed on the upper surface of the liquid distribution plate 1 for collecting and redistributing the liquid above the regeneration tower. The collection troughs 2 are circular, and a drain hole 3 for initial liquid discharge is located along the axis of the collection troughs 2. A connecting hole 11 is provided on the lower half of the side wall of the drain hole 3. The upper half of the drain hole 3 is funnel-shaped for collecting liquid, and the lower half is vertical for centralized discharge of the collected liquid. The collection troughs 2 are evenly distributed on the upper surface of the liquid distribution plate 1. The collection troughs 2 and the drain hole 3 work together to evenly discharge the collected liquid, thus comprehensively collecting the liquid above the regeneration tower. The drain hole allows for initial discharge of the collected liquid, achieving the functions of liquid collection and initial discharge, providing a foundation for subsequent high-efficiency separation.

[0023] The collecting tank 2 has at least four buffer holes 9 in the middle, arranged in a ring around the drain hole 3. The lower end of each buffer hole 9 has an auxiliary hole 10 for assisting in liquid drainage and controlling the liquid to be evenly discharged below the liquid distribution plate 1. A connecting hole 11 connects the drain hole 3 and the buffer holes 9. The connecting hole 11 is angled to assist in drainage during high-flow-rate discharge. When the liquid flow rate is high, the drain hole cannot drain the liquid in time, and some liquid will flow to the buffer holes 9. Opening the auxiliary hole 10 allows for further drainage, controlling the liquid to be evenly discharged below the liquid distribution plate, resulting in more uniform liquid distribution and improved separation efficiency.

[0024] A support ring 12 is fixedly connected to the inner wall of the buffer hole 9. The fixing method can also be welding, riveting, screwing, or gluing. A suspended ball 15 is provided in the middle of the support ring 12 to control the opening or closing of the auxiliary hole 10, thus controlling the liquid discharge position. A sealing counterweight ball 14 is provided at the lower end of the suspended ball 15 to seal the auxiliary hole 10. The inner wall of the support ring 12 has an arc-shaped groove structure, and the suspended ball 15 is located in this arc-shaped groove, allowing for better fit and increasing sealing performance, thus improving the accuracy of the equipment's liquid discharge control. The diameter of the buffer hole 9 is larger than the diameter of the auxiliary hole 10. The buffer hole 9 and the auxiliary hole 10 penetrate the liquid distribution plate 1. A sealing groove is provided at the opening of the auxiliary hole 10, and the sealing counterweight ball 14 is located within this sealing groove. This is used to position the sealing counterweight ball 14, preventing the auxiliary hole 10 from being in an open state due to incorrect positioning of the sealing counterweight ball 14, and preventing liquid leakage between the sealing counterweight ball 14 and the auxiliary hole 10 when not discharging.

[0025] A connecting column 16 is fixedly connected to the lower end of the suspended ball 15. Support rings 12 pass through both ends of the connecting column 16. The lower end of the connecting column 16 is fixedly connected to the sealing counterweight ball 14. As the liquid level rises, the suspended ball 15 changes the height of the sealing counterweight ball 14, thus changing the communication area of ​​the auxiliary hole 10. When the liquid flow rate is large, the liquid flows from the drain hole 3 through the connecting hole 11 into the buffer hole. As the liquid level gradually rises, it lifts the suspended ball 15, opening the auxiliary hole 10, automatically adapting to different flow rates.

[0026] Four buffer holes 9 are respectively connected to a first connecting pipe 4 and a second connecting pipe 5. The upper end of the first connecting pipe 4 is lower than that of the second connecting pipe 5. The first connecting pipe 4 and the second connecting pipe 5 are used to limit the rising height of the suspended ball 15. A limiting rubber cylinder 13 is fixedly connected to the inner wall of the buffer hole 9. The first connecting pipe 4 and the second connecting pipe 5 are both inserted into the limiting rubber cylinder 13 to limit and fix their insertion positions. The first connecting pipe 4 and the second connecting pipe 5 are at different heights, and the distances between them and the suspended ball are different, thereby controlling the distance the suspended ball 15 moves when it is lifted, limiting the opening area of ​​the auxiliary hole 10, thereby controlling the flow rate of the auxiliary hole 10, achieving uniform position during liquid discharge, and achieving fine control of the flow rate. This ensures that when the liquid distribution plate 1 discharges liquid, the packing is uniformly wetted while reducing the generation of wall flow effect.

[0027] A blocking ring 6 is fixedly connected to the outer wall of the liquid distribution plate 1. The upper end of the blocking ring 6 is higher than the liquid distribution plate 1 and is used to block the liquid arriving from above, so that the liquid flowing above is collected on the liquid distribution plate 1, thereby redistributing the liquid. A sealing rubber ring 7 is fixed to the outer wall of the blocking ring 6 to seal the outer wall of the blocking ring 6 and prevent liquid from leaking from the outer wall of the blocking ring 6. The outer wall of the blocking ring 6 is provided with a threaded hole 8 for installation. The liquid distribution plate 1 is installed on the inner wall of the regeneration tower by bolts.

[0028] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A high-efficiency separation device for natural gas desulfurization liquid regeneration, comprising a liquid distribution plate (1), characterized in that: The upper surface of the liquid distribution plate (1) is evenly distributed with collection troughs (2) for collecting and redistributing the liquid above the regeneration tower. The collection troughs (2) are circular structures. The axial position of the collection troughs (2) is provided with a discharge hole (3) for initial discharge of liquid. The lower half of the discharge hole (3) is provided with a connecting hole (11). The collection tank (2) is provided with at least four buffer holes (9) in the middle. The four buffer holes (9) are arranged in a ring around the discharge hole (3). The lower end of the buffer holes (9) is provided with an auxiliary hole (10) for assisting in the discharge of liquid, and the liquid is controlled to be evenly discharged to the bottom of the liquid distribution plate (1). A support ring (12) is fixedly connected to the inner wall of the buffer hole (9). A suspension ball (15) is provided in the middle of the support ring (12) to control the opening or closing of the auxiliary hole (10) and control the discharge position of the liquid. A sealing counterweight ball (14) is provided at the lower end of the suspension ball (15) to seal the auxiliary hole (10). A first connecting pipe (4) and a second connecting pipe (5) are respectively inserted into the four buffer holes (9). The upper end of the first connecting pipe (4) is lower than the second connecting pipe (5). The first connecting pipe (4) and the second connecting pipe (5) are used to limit the rising height of the suspended ball (15).

2. The high-efficiency separation equipment for natural gas desulfurization liquid regeneration according to claim 1, characterized in that: The upper part of the drain hole (3) is a funnel-shaped structure for collecting liquid, and the lower part of the drain hole (3) is a vertical structure for centralized discharge of the collected liquid.

3. The high-efficiency separation equipment for natural gas desulfurization liquid regeneration according to claim 1, characterized in that: The connecting hole (11) connects the drain hole (3) and the buffer hole (9). The connecting hole (11) is inclined and is used to assist in drainage during high flow rate drainage.

4. The high-efficiency separation equipment for natural gas desulfurization liquid regeneration according to claim 1, characterized in that: The inner wall of the support ring (12) is an arc-shaped groove structure, and the suspended ball (15) is located at the arc-shaped groove to increase the sealing performance.

5. The high-efficiency separation equipment for natural gas desulfurization liquid regeneration according to claim 1, characterized in that: The diameter of the buffer hole (9) is larger than the diameter of the auxiliary hole (10). The buffer hole (9) and the auxiliary hole (10) penetrate the liquid distribution plate (1). The opening of the auxiliary hole (10) is provided with a sealing groove. The sealing counterweight ball (14) is located in the sealing groove and is used to position the sealing counterweight ball (14).

6. The high-efficiency separation equipment for natural gas desulfurization liquid regeneration according to claim 1, characterized in that: The lower end of the suspended ball (15) is fixedly connected to a connecting column (16), and the two ends of the connecting column (16) pass through the support ring (12). The lower end of the connecting column (16) is fixedly connected to the sealing counterweight ball (14). The suspended ball (15) changes the height of the sealing counterweight ball (14) as the liquid level rises, thereby changing the communication area of ​​the auxiliary hole (10).

7. The high-efficiency separation equipment for natural gas desulfurization liquid regeneration according to claim 1, characterized in that: A limiting rubber cylinder (13) is fixedly connected to the inner wall of the buffer hole (9). The first connecting pipe (4) and the second connecting pipe (5) are both inserted into the limiting rubber cylinder (13) to limit and fix the insertion position of the first connecting pipe (4) and the second connecting pipe (5).

8. The high-efficiency separation equipment for natural gas desulfurization liquid regeneration according to claim 1, characterized in that: A blocking ring (6) is fixedly connected to the outer wall of the liquid distribution plate (1). The upper end of the blocking ring (6) is higher than the liquid distribution plate (1) to block the liquid from above. A sealing rubber ring (7) is fixed to the outer wall of the blocking ring (6) to seal the outer wall of the blocking ring (6) and prevent liquid from leaking from the outer wall of the blocking ring (6). The outer wall of the blocking ring (6) is provided with a threaded hole (8).

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