Hydrogen dryer of hydrogen preparation system

By designing a hydrogen dryer with a detachable drying box and sealing assembly, the problem of inconvenient replacement of desiccant in existing hydrogen dryers is solved, and the hydrogen drying effect is improved.

CN223276084UActive Publication Date: 2025-08-29SUZHOU TAILIDENG PURIFICATION EQUIP
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Patent Information

Application Number
CN202422280858.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-19
Publication Date
2025-08-29
Estimated Expiration
2034-09-19

AI Technical Summary

Technical Problem

The desiccant fixed design of existing hydrogen dryers is inconvenient to replace, resulting in poor drying effect.

Method used

A detachable drying box structure is designed, equipped with a feeding tube and a discharge tube, and a fast replacement of activated carbon desiccant is achieved through a sealing assembly, combining the shunt assembly to improve the contact efficiency between hydrogen and desiccant.

Benefits of technology

It realizes convenient replacement of activated carbon desiccant and improves the hydrogen drying effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hydrogen dryer of a hydrogen preparation system in the technical field of hydrogen dryers, which comprises a hydrogen dryer, a controller arranged on the right side wall of the hydrogen dryer, a gas inlet pipe arranged below the left side wall of the hydrogen dryer in a penetrating manner, an exhaust hood arranged above the inside of the hydrogen dryer, and a gas outlet pipe arranged at the top of the hydrogen dryer in a penetrating manner, a flow dividing assembly is arranged below the inner wall of the hydrogen dryer, two sets of drying boxes are arranged on the inner wall of the hydrogen dryer, drying holes are evenly formed in the outer side walls of the two sets of drying boxes, and the two sets of drying boxes are filled with activated carbon drying agents. Under the cooperation of the drying box, the feeding pipe, the discharging pipe and the sealing assembly, an activated carbon drying agent in the drying box can be conveniently replaced, when the drying effect of the activated carbon drying agent becomes poor, the activated carbon drying agent is rapidly replaced, and the drying effect of hydrogen is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of hydrogen dryers, in particular to a hydrogen dryer for a hydrogen preparation system. Background Art

[0002] The hydrogen dryer is the latest generation of adsorption dryers. It is particularly suitable for occasions with particularly strict requirements on regeneration gas consumption. In particular, when the gas to be dried is flammable, explosive, toxic or particularly valuable, it is the user's best choice. It is particularly suitable for drying special gases such as hydrogen, carbon monoxide, methane, and coal gas. Existing hydrogen dryers mostly use desiccant to dry hydrogen during drying. However, the drying effect will deteriorate after long-term use of the desiccant. However, the desiccant in the existing hydrogen dryers is mostly integrated and fixed, which is inconvenient to replace, affecting the drying effect. Therefore, we propose a hydrogen dryer for a hydrogen preparation system. Utility Model Content

[0003] The purpose of the present utility model is to provide a hydrogen dryer for a hydrogen preparation system to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: A hydrogen dryer for a hydrogen preparation system, comprising a hydrogen dryer, a controller being provided on the right side wall of the hydrogen dryer, an air inlet pipe being provided through the lower part of the left side wall of the hydrogen dryer, an exhaust hood being provided above the inside of the hydrogen dryer, an air outlet pipe being provided through the top of the hydrogen dryer, one end of the air outlet pipe being connected to one end of the exhaust hood, a diversion component being provided below the inner wall of the hydrogen dryer, two groups of drying boxes being provided on the inner wall of the hydrogen dryer, drying holes being evenly provided on the outer side walls of the two groups of drying boxes, and activated carbon desiccant being filled in the two groups of drying boxes, two groups of feeding pipes being respectively connected to the two groups of drying boxes being respectively provided through the right side wall of the hydrogen dryer, two groups of discharge pipes being respectively connected to the two groups of drying boxes being respectively provided through the left side wall of the hydrogen dryer, and sealing components being provided on the outer walls of the discharge pipes and the feeding pipes.

[0005] Furthermore, the sealing assembly includes a mounting plate provided on the outside of the feeding tube, the two ends of the mounting plate are respectively connected to two sets of bearings provided on the outer wall of the feeding tube, a sealing head matching the feeding tube is provided inside the mounting plate, a sealing plate is provided on the right side wall of the sealing head, a screw is provided on the right side wall of the sealing plate, one end of the screw passes through the right side wall of the mounting plate and is connected to the adjustment knob provided on the outside.

[0006] Furthermore, a sliding rod is movably provided through the right side wall of the mounting plate, and one end of the sliding rod is connected to the right side wall of the sealing plate.

[0007] Furthermore, the sealing head is made of rubber material.

[0008] Furthermore, the diversion assembly includes a diversion plate provided below the inner wall of the hydrogen dryer, a plurality of diversion ports are provided on the top of the diversion plate, and a plurality of diversion guide plates matching the diversion ports are provided on the top of the diversion plate.

[0009] Furthermore, a plurality of groups of diversion ports are distributed in a linear array on the top of the diversion plate.

[0010] Furthermore, the drying box is arranged in an inclined shape in the hydrogen dryer.

[0011] Compared with the prior art, the beneficial effect of the present invention is that the present invention can facilitate the replacement of the activated carbon desiccant in the drying box with the cooperation of the drying box, the feeding pipe, the discharging pipe and the sealing assembly, and can quickly replace the activated carbon desiccant when the drying effect of the activated carbon desiccant deteriorates, thereby improving the drying effect of hydrogen. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the internal structure of the drying box of the utility model;

[0014] Figure 3 This is a schematic diagram of the structure A of the utility model.

[0015] In the figure: 1. Hydrogen dryer; 2. Controller; 3. Diverter assembly; 30. Diverter plate; 31. Diverter port; 32. Diverter guide plate; 4. Air inlet pipe; 5. Drying box; 6. Feeding pipe; 7. Drying hole; 8. Sealing assembly; 80. Sealing head; 81. Sealing plate; 82. Screw; 83. Adjustment knob; 84. Slide rod; 85. Mounting plate; 9. Discharge pipe; 10. Exhaust hood; 11. Air outlet pipe; 12. Activated carbon desiccant. DETAILED DESCRIPTION

[0016] 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.

[0017] Example 1:

[0018] See also Figure 1-2The utility model provides a technical solution: a hydrogen dryer for a hydrogen preparation system, comprising a hydrogen dryer 1, a controller 2 is provided on the right side wall of the hydrogen dryer 1, an air inlet pipe 4 is penetrated at the lower part of the left side wall of the hydrogen dryer 1, an exhaust hood 10 is provided above the hydrogen dryer 1, an air outlet pipe 11 is penetrated at the top of the hydrogen dryer 1, one end of the air outlet pipe 11 is connected to one end of the exhaust hood 10, a diversion component 3 is provided at the lower inner wall of the hydrogen dryer 1, two groups of drying boxes 5 are provided on the inner wall of the hydrogen dryer 1, the drying boxes 5 are arranged in an inclined shape in the hydrogen dryer 1, and drying holes 7 are evenly opened on the outer walls of the two groups of drying boxes 5. Both groups of drying boxes 5 are filled with activated carbon desiccant 12, two groups of feeding pipes 6 are penetrated on the right side wall of the hydrogen dryer 1, and two groups of discharge pipes 9 are penetrated on the left side wall of the hydrogen dryer 1, and the outer walls of the discharge pipe 9 and the feeding pipe 6 are provided with a sealing component 8.

[0019] See also Figure 3 The sealing assembly 8 includes a mounting plate 85 provided on the outside of the feeding tube 6. The two ends of the mounting plate 85 are respectively connected to the two sets of bearings provided on the outer wall of the feeding tube 6. A sealing head 80 matching the feeding tube 6 is provided in the mounting plate 85. The sealing head 80 is made of rubber material. A sealing plate 81 is provided on the right side wall of the sealing head 80. A screw 82 is provided on the right side wall of the sealing plate 81. One end of the screw 82 passes through the right side wall of the mounting plate 85 and is connected to the adjusting knob 83 provided on the outside. A sliding rod 84 is movably provided on the right side wall of the mounting plate 85. One end of the sliding rod 84 is connected to the right side wall of the sealing plate 81. Under the action of the sliding rod 84, the movement of the sealing plate 81 is more stable.

[0020] See also Figure 1 The diversion component 3 includes a diversion plate 30 provided at the bottom of the inner wall of the hydrogen dryer 1. A plurality of diversion ports 31 are provided on the top of the diversion plate 30. The plurality of diversion ports 31 are distributed in a linear array on the top of the diversion plate 30. A plurality of diversion guide plates 32 matching the diversion ports 31 are provided on the top of the diversion plate 30. The hydrogen passes upward through the diversion ports 31 and the diversion guide plates 32, so that the hydrogen can better contact the activated carbon desiccant 12.

[0021] Working principle: Hydrogen enters the hydrogen dryer 1 from the air inlet pipe 4, and the hydrogen flows upward through the diversion port 31 and the diversion guide plate 32, so that the hydrogen can better contact with the activated carbon desiccant 12. Under the action of the activated carbon desiccant 12, the hydrogen can be dried, and the dried hydrogen is discharged from the exhaust hood 10 and the air outlet pipe 11 for storage. When the activated carbon desiccant 12 needs to be replaced, the staff turns the adjustment knob 83 to drive the screw 82 to rotate. Under the action of the sliding rod 84, the screw 82 drives the sealing plate 81 to move. The sealing plate 81 separates the sealing head 80 from the feeding pipe 6 and the discharge pipe 9. The activated carbon desiccant 12 in the drying box 5 is discharged from the discharge pipe 9, and then the discharge pipe 9 is blocked by the sealing head 80. Then, new activated carbon desiccant 12 is added to the drying box 5 from the feeding pipe 6, and then the feeding pipe 6 is sealed by the sealing head 80 to realize the replacement of the activated carbon desiccant 12.

[0022] Although 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 hydrogen dryer for a hydrogen preparation system, comprising a hydrogen dryer (1), wherein a controller (2) is provided on the right side wall of the hydrogen dryer (1), an air inlet pipe (4) is provided through the lower left side wall of the hydrogen dryer (1), an exhaust hood (10) is provided above the hydrogen dryer (1), an air outlet pipe (11) is provided through the top of the hydrogen dryer (1), and one end of the air outlet pipe (11) is connected to one end of the exhaust hood (10), characterized in that: A diversion assembly (3) is provided below the inner wall of the hydrogen dryer (1), and two groups of drying boxes (5) are provided on the inner wall of the hydrogen dryer (1). Drying holes (7) are evenly opened on the outer walls of the two groups of drying boxes (5). Both groups of drying boxes (5) are filled with activated carbon desiccant (12). Two groups of feeding pipes (6) are respectively connected to the two groups of drying boxes (5) through the right side wall of the hydrogen dryer (1), and two groups of discharge pipes (9) are respectively connected to the two groups of drying boxes (5) through the left side wall of the hydrogen dryer (1). The outer walls of the discharge pipes (9) and the feeding pipes (6) are both provided with sealing assemblies (8).

2. The hydrogen dryer of the hydrogen production system according to claim 1, characterized in that: The sealing assembly (8) includes a mounting plate (85) provided on the outside of the feeding tube (6), the two ends of the mounting plate (85) are respectively connected to two sets of bearings provided on the outer wall of the feeding tube (6), a sealing head (80) matching the feeding tube (6) is provided inside the mounting plate (85), a sealing plate (81) is provided on the right side wall of the sealing head (80), a screw (82) is provided on the right side wall of the sealing plate (81), and one end of the screw (82) passes through the right side wall of the mounting plate (85) and is connected to an adjusting knob (83) provided on the outside.

3. The hydrogen dryer of the hydrogen production system according to claim 2, characterized in that: A slide bar (84) is movably provided through the right side wall of the mounting plate (85), and one end of the slide bar (84) is connected to the right side wall of the sealing plate (81).

4. The hydrogen dryer of the hydrogen production system according to claim 2, characterized in that: The sealing head (80) is made of rubber material.

5. The hydrogen dryer of the hydrogen production system according to claim 1, characterized in that: The diversion assembly (3) comprises a diversion plate (30) provided below the inner wall of the hydrogen dryer (1), a plurality of diversion ports (31) being provided on the top of the diversion plate (30), and a plurality of diversion guide plates (32) matching the diversion ports (31) being provided on the top of the diversion plate (30).

6. The hydrogen dryer of the hydrogen production system according to claim 5, characterized in that: A plurality of groups of diversion ports (31) are distributed in a linear array on the top of the diversion plate (30).

7. The hydrogen dryer of the hydrogen production system according to claim 1, characterized in that: The drying box (5) is arranged in an inclined shape inside the hydrogen dryer (1).

Citation Information

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