Adsorption tower for natural gas hydrogen production system

Abstract

The utility model relates to the technical field of natural gas hydrogen production, in particular to an adsorption tower for a natural gas hydrogen production system. A plurality of limiting holes are formed in the rotating ring; the device has the beneficial effects that the conical distributor separates the connecting pipe from the filler and also plays a role in airflow distribution, so that airflow enters the tank body more dispersedly and smoothly, and the arc-shaped distributor is arranged on the connecting pipe, can ensure the dispersion of the airflow and also serves as a second barrier, so that the airflow can be uniformly dispersed. When the conical distributor is damaged and leaks materials, the filler can be prevented from entering the pipeline, the rotating ring is rotated, the rotating plate and the rotating baffle rotate along with the rotating ring, the rotating baffle is blocked at the opening, the rotating baffle, the rotating plate and the fixed baffle are matched with one another, the conical distributor is isolated from being in contact with the filler, and the filler cannot leak out when the conical distributor is disassembled. And bolts on the mounting plate are screwed, so that the mounting plate and the conical distributor can be detached, later maintenance of workers is facilitated, and the reliability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the field of hydrogen production from natural gas, in particular to an adsorption tower used in a natural gas hydrogen production system. Background Art

[0002] The natural gas hydrogen production device uses natural gas, oilfield gas, coke oven gas, refinery tail gas or light oil as raw materials under high temperature and high pressure conditions. With the help of the catalyst in the natural gas hydrogen production converter, the raw materials and water vapor are reacted inside the converter tube to produce synthetic ammonia raw gas (i.e. hydrogen).

[0003] In the existing technology, in various hydrogen production processes such as natural gas hydrogen production, methanol hydrogen production, coke oven gas hydrogen production, and ammonia decomposition hydrogen production, if you want to obtain higher purity hydrogen, the pressure swing adsorption purification process will be involved. The adsorption tower is the core equipment for pressure swing adsorption purification in the latter stage of hydrogen production, and it is related to the effect and quality of hydrogen purification.

[0004] However, when the adsorption tower of the existing natural gas hydrogen production system is in use, the filler in the adsorption tower is easy to enter the gas pipeline and cause adverse effects such as pipeline blockage. In addition, the maintainability of the adsorption tower of the existing natural gas hydrogen production system is poor, which is inconvenient for staff to perform subsequent maintenance and has low practicality. Utility Model Content

[0005] The utility model aims to provide an adsorption tower for a natural gas hydrogen production system to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adsorption tower for a natural gas hydrogen production system, the adsorption tower for a natural gas hydrogen production system comprising: a tank body, connecting pipes are arranged at both ends of the tank body, and a fixing ring is arranged inside the tank body;

[0007] A rotating ring is provided with a plurality of limit holes, a plurality of limit blocks are arranged on the rotating ring, and a conical distributor is arranged on the lower surface of the rotating ring.

[0008] Preferably, the flange cover on the connecting pipe is threadedly connected with an arc distributor via bolts, the connecting pipe is threadedly connected to the flange covers fixedly connected at both ends of the tank body via bolts, and the upper end of the tank body is fixedly connected with a feed port.

[0009] Preferably, the fixed ring is a circular plate-like structure, a plurality of fixed baffles are fixedly connected to the fixed ring and the fixed baffles are only attached to the rotating plate, a sliding groove is provided on the fixed ring, the sliding groove is a "convex" groove-like structure, the protrusion fixedly connected on the rotating baffle is stuck in the sliding groove, the rotating baffle can move along the sliding groove, and the rotating baffle is fixedly connected to the rotating plate.

[0010] Preferably, the limiting hole is a circular hole-shaped structure, one end of the plug can be inserted into the limiting hole, the plug cooperates with the hole opened on the fixed plate to be slidably connected to the fixed plate, a spring is fixedly connected to the upper end of the plug, the other end of the spring is fixedly connected to the fixed plate, the fixed plate is a square plate-shaped structure, and the fixed plate is fixedly connected to the mounting plate.

[0011] Preferably, the limit block is fixedly connected to the rotating ring, one end of the limit block is clamped in a limit groove opened on the inner side of the mounting plate, and the limit block can move along the limit groove.

[0012] Preferably, the conical distributor is fixedly connected to the rotating ring, a slot is provided on the lower surface of the rotating ring, and a protrusion fixedly connected to the rotating plate can be inserted into the slot.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model proposes an adsorption tower for a natural gas hydrogen production system. A mounting plate is connected to a fixed ring inside a tank body by a bolt thread. A limiting groove is provided on a side of the mounting plate. A limiting block fixedly connected to a rotating ring is stuck in the limiting groove and can slide along the limiting groove. A conical distributor is fixedly connected to the rotating ring. The conical distributor separates the filler in the cylinder body from the connecting pipe. On the other hand, it plays a role in airflow distribution, allowing the airflow to enter the tank body more dispersed and smooth, reducing the impact on the filler. Arc distributors are provided on the connecting pipes connected by bolts at both ends of the tank body. The arc distributor can ensure the dispersion and smoothness of the airflow. On the other hand, it serves as a second barrier for the filler in the cylinder body. When the conical distributor is damaged and leaks, it can block the filler from entering the pipeline. If the staff needs to maintain the device, twist the connecting pipe The bolts on the flange surface remove the connecting pipe from the tank body, and the plug is pulled to disengage it from the limiting hole on the rotating ring, so that the rotating ring and the limiting block rotate along the limiting groove, so that the rotating plate and the rotating baffle follow and rotate along the slide groove, so that the rotating baffle blocks the opening. The rotating baffle, the rotating plate and the fixed baffle cooperate with each other to isolate the conical distributor from contact with the filler in the tank body, avoiding a large amount of leakage of the filler inside the tank body when the staff disassembles the conical distributor, which is convenient for the staff to work. The staff can unscrew the bolts on the mounting plate, remove the mounting plate and the conical distributor for maintenance. The structure is simple and convenient for the staff to disassemble and maintain in the later stage. It is highly practical, avoiding the conical distributor from being blocked due to long-term use, thereby reducing the use effect of the device and improving the reliability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0017] Figure 3 for Figure 2 The enlarged structural diagram at A in the middle;

[0018] Figure 4 It is a schematic diagram of the local structure of the utility model;

[0019] Figure 5 for Figure 4 The enlarged structural diagram at B in the middle;

[0020] Figure 6 for Figure 4 The enlarged structural diagram at C in the middle;

[0021] Figure 7 It is a partial structural schematic diagram of the utility model.

[0022] In the figure: 1. tank body; 2. rotating ring; 3. feed port; 4. connecting pipe; 5. fixing ring; 6. arc distributor; 7. fixed baffle; 8. limiting hole; 9. conical distributor; 10. limiting block; 11. slot; 12. rotating plate; 13. rotating baffle; 14. mounting plate; 15. limiting slot; 16. plug; 17. spring; 18. fixing plate; 19. slide slot. DETAILED DESCRIPTION

[0023] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Embodiment 1

[0025] See also Figure 1-Figure 7 The utility model provides a technical solution: an adsorption tower for a natural gas hydrogen production system, the adsorption tower for a natural gas hydrogen production system comprising: a tank body 1, connecting pipes 4 are arranged at both ends of the tank body 1, a fixing ring 5 is arranged in the tank body 1; a rotating ring 2, a plurality of limiting holes 8 are opened on the rotating ring 2, a plurality of limiting blocks 10 are arranged on the rotating ring 2, and a conical distributor 9 is arranged on the lower surface of the rotating ring 2;

[0026] During specific use, pull the plug 16, rotate the rotating plate 12 and the limit block 10 along the limit groove 15, so that the rotating plate 12 and the rotating baffle 13 rotate accordingly, until the rotating baffle 13 and the fixed baffle 7 are in contact with each other, release the plug 16, and the spring 17 pulls the plug 16 into the limit hole 8 to fix the rotating plate 12. The staff can then place the mounting plate 14 on the fixing ring 5 and fix it with bolts, align the flange surface on the connecting pipe 4 with the flange surface on the tank body 1 and fix it with bolts. The staff puts the filler into the tank body 1 through the feed port 3 fixedly connected to the tank body 1, and then the production operation can be carried out.

[0027] Embodiment 2

[0028] On the basis of Example 1, in order to improve the use effect of the device, a connecting pipe 4 is provided, and an arc distributor 6 is threadedly connected to the flange cover on the connecting pipe 4 through bolts. The connecting pipe 4 is threadedly connected to the flange covers fixedly connected at both ends of the tank body 1 through bolts, and the upper end of the tank body 1 is fixedly connected with a feed port 3. The arc distributor 6, on the one hand, is also suitable for ensuring the dispersion and smoothness of the airflow, and on the other hand, it serves as a second barrier. When the conical distributor 9 is damaged and leaks, it can block the filler from entering the pipeline to improve the reliability of the device. The conical distributor 9 is fixedly connected to the rotating ring 2, and a groove 11 is provided on the lower surface of the rotating ring 2. The protrusion fixedly connected on the rotating plate 12 can be inserted into the groove 11. The conical distributor 9 can separate the filler in the cylinder from the connecting pipe 4, and on the other hand, it plays a role in airflow distribution, allowing the airflow to enter the adsorption tower to be more dispersed and smooth, reducing the impact on the filler, improving the use effect of the device, and improving the reliability of the device.

[0029] Embodiment 3

[0030] On the basis of the second embodiment, in order to facilitate the later maintenance of the staff, a fixed ring 5 is provided. The fixed ring 5 is a circular plate-shaped structure. A plurality of fixed baffles 7 are fixedly connected to the fixed ring 5 and the fixed baffles 7 are only attached to the rotating plate 12. A slide groove 19 is provided on the fixed ring 5. The slide groove 19 is a "convex" groove-shaped structure. The convex block fixedly connected to the rotating baffle 13 is stuck in the slide groove 19. The rotating baffle 13 can move along the slide groove 19. The rotating baffle 13 is fixedly connected to the rotating plate 12. The staff can rotate the rotating ring 2 and the conical distributor 9 to make the rotating plate 12 follow along the slide groove 19. Rotate to block the rotating baffle 13 at the opening. The rotating baffle 13, the rotating plate 12 and the fixed baffle 7 cooperate with each other to isolate the conical distributor 9 from contacting the filler in the tank body 1, which is convenient for subsequent work. The limiting hole 8 is a circular hole structure. One end of the plug 16 can be inserted into the limiting hole 8. The plug 16 cooperates with the hole opened on the fixed plate 18 and is slidably connected to the fixed plate 18. The upper end of the plug 16 is fixedly connected with a spring 17. The other end of the spring 17 is fixedly connected to the fixed plate 18. The fixed plate 18 is a square plate structure. The fixed plate 18 is fixedly connected to the mounting plate 14. The staff pulls the plug 16 is disengaged from the limiting hole 8, and the staff can make the rotating ring 2 and the limiting block 10 rotate along the limiting groove 15. The limiting block 10 is fixedly connected to the rotating ring 2, and one end of the limiting block 10 is stuck in the limiting groove 15 opened on the inner side of the mounting plate 14. The limiting block 10 can move along the limiting groove 15. The above structures cooperate with each other, and the plug 16 is pulled to make one end of the plug 16 disengage from the limiting hole 8 opened on the rotating ring 2. The staff can make the rotating ring 2 and the limiting block 10 rotate along the limiting groove 15 opened on the mounting plate 14, and the protrusion fixedly connected on the rotating plate 12 is stuck on the conical distributor 9. In the opened card slot 11, the rotating plate 12 and the rotating baffle 13 are rotated along the slide groove 19, so that the rotating baffle 13 is blocked at the opening. The rotating baffle 13, the rotating plate 12 and the fixed baffle 7 cooperate with each other to isolate the conical distributor 9 from contacting the filler in the tank body 1, and avoid the filler inside the tank body 1 falling off and causing waste when the conical distributor 9 is disassembled. The staff can then unscrew the bolts on the mounting plate 14 to remove the mounting plate 14 and the conical distributor 9 for maintenance, which is convenient for the staff to disassemble. The structure is simple, convenient for the staff to maintain in the later stage, and highly practical.

[0031] In actual use, the fixing ring 5 inside the tank body 1 is threadedly connected to the mounting plate 14 by bolts, and a limiting groove 15 is provided on the side of the mounting plate 14. The limiting block 10 fixedly connected to the rotating ring 2 is stuck in the limiting groove 15 and can slide along the limiting groove 15. The rotating ring 2 is fixedly connected with a conical distributor 9. The conical distributor 9 separates the filler in the cylinder from the connecting pipe 4. On the other hand, it plays a role in airflow distribution, allowing the airflow to enter the tank body 1 to be more dispersed and smooth, reducing the impact on the filler. The connecting pipes 4 connected by bolts at both ends of the tank body 1 are provided with arc distributors 6. The arc distributor 6 can ensure the dispersion and smoothness of the airflow. On the other hand, it serves as a second barrier to the filler in the cylinder. When the conical distributor 9 is damaged and leaks, it can prevent the filler from entering the pipeline. If the staff needs to maintain the device, screw the bolts on the flange surface of the connecting pipe 4 to connect the connecting pipe 4 Remove it from the tank body 1, pull the plug 16 to disengage it from the limiting hole 8 opened on the rotating ring 2, so that the rotating ring 2 and the limiting block 10 rotate along the limiting groove 15, so that the rotating plate 12 and the rotating baffle 13 follow and rotate along the slide groove 19, so that the rotating baffle 13 blocks the opening, and the rotating baffle 13, the rotating plate 12 and the fixed baffle 7 cooperate with each other to isolate the conical distributor 9 from contact with the filler in the tank body 1, so as to avoid a large amount of leakage of the filler inside the tank body 1 when the staff disassembles the conical distributor 9, which is convenient for the staff to work. The staff can unscrew the bolts on the mounting plate 14, remove the mounting plate 14 and the conical distributor 9 for maintenance. The structure is simple and convenient for the staff to disassemble and maintain in the later stage. It is highly practical, and the conical distributor 9 is prevented from being blocked due to long-term use, thereby reducing the use effect of the device and improving the reliability of the device.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adsorption tower for a natural gas hydrogen production system, characterized in that: The adsorption tower for a natural gas hydrogen production system comprises: a tank body (1), connecting pipes (4) are arranged at both ends of the tank body (1), and a fixing ring (5) is arranged inside the tank body (1); A rotating ring (2) is provided with a plurality of limit holes (8), a plurality of limit blocks (10) are provided on the rotating ring (2), and a conical distributor (9) is provided on the lower surface of the rotating ring (2).

2. The adsorption tower for a natural gas hydrogen production system according to claim 1, characterized in that: The flange cover on the connecting pipe (4) is threadedly connected to an arc-shaped distributor (6) via bolts, and the connecting pipe (4) is threadedly connected to the flange covers fixedly connected to both ends of the tank body (1) via bolts, and the upper end of the tank body (1) is fixedly connected to a feed port (3).

3. The adsorption tower for a natural gas hydrogen production system according to claim 1, characterized in that: The fixed ring (5) is in the form of a circular plate structure. A plurality of fixed baffles (7) are fixedly connected to the fixed ring (5). The fixed baffles (7) are only in contact with the rotating plate (12). A sliding groove (19) is provided on the fixed ring (5). The sliding groove (19) is in the form of a convex groove structure. A convex block fixedly connected to the rotating baffle (13) is stuck in the sliding groove (19). The rotating baffle (13) can move along the sliding groove (19). The rotating baffle (13) is fixedly connected to the rotating plate (12).

4. The adsorption tower for a natural gas hydrogen production system according to claim 1, characterized in that: The limiting hole (8) is in the shape of a circular hole. One end of the plug (16) can be inserted into the limiting hole (8). The plug (16) cooperates with the hole opened on the fixing plate (18) to be slidably connected to the fixing plate (18). A spring (17) is fixedly connected to the upper end of the plug (16). The other end of the spring (17) is fixedly connected to the fixing plate (18). The fixing plate (18) is in the shape of a square plate. The fixing plate (18) is fixedly connected to the mounting plate (14).

5. The adsorption tower for a natural gas hydrogen production system according to claim 1, characterized in that: The limit block (10) is fixedly connected to the rotating ring (2), one end of the limit block (10) is clamped in a limit groove (15) provided on the inner side of the mounting plate (14), and the limit block (10) can move along the limit groove (15).

6. The adsorption tower for a natural gas hydrogen production system according to claim 1, characterized in that: The conical distributor (9) is fixedly connected to the rotating ring (2); a slot (11) is provided on the lower surface of the rotating ring (2); and a protrusion fixedly connected to the rotating plate (12) can be inserted into the slot (11).

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