Hydrogen drying device

By combining a dryer and a time-controlled valve with a dynamic drainage mechanism of absorbent sponge and telescopic plate, the problems of reduced efficiency and saturation of absorbent components in the hydrogen drying device are solved, achieving efficient hydrogen drying and reducing manual maintenance.

CN223945355UActive Publication Date: 2026-02-27YUNNAN ENERGY SAVING TECH DEV & MANAGEMENT CO
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Patent Information

Application Number
CN202520552048.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-27
Publication Date
2026-02-27
Estimated Expiration
2035-03-27

AI Technical Summary

Technical Problem

Existing hydrogen drying devices require periodic heating and regeneration, which reduces drying efficiency, and the water-absorbing components are prone to saturation and need to be replaced manually.

Method used

The device employs a combination design of a first drying tank, a second drying tank, and a third drying tank, with their sequential operation controlled by a timed valve. Combined with the cooperation of absorbent sponges and telescopic plates, a geared motor drives the rotating shaft to rotate, causing the absorbent sponges to rotate within the device and discharge moisture through the telescopic plates, thus achieving periodic drying, regeneration, and dehydration.

Benefits of technology

It improves hydrogen drying efficiency, avoids the situation where the absorbent sponge becomes saturated and can no longer absorb water, and reduces the frequency of manual maintenance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hydrogen drying device which comprises a first drying tank, a second drying tank is arranged on one side of the first drying tank, a third drying tank is arranged on one side of the second drying tank, and rotating shafts are rotationally installed in the first drying tank, the second drying tank and the third drying tank. The speed reduction motor drives the rotating shaft to rotate so as to drive the water absorption sponge to rotate in the device, at the moment, the water absorption sponge collides with the inclined face of the surface of the telescopic plate, and due to the fact that the water absorption sponge is made of a soft material, before the connecting rod collides with the telescopic plate, the water absorption sponge cannot be damaged. According to the device, the water absorption sponge is extruded bidirectionally by the connecting rod and the telescopic plate to discharge absorbed water, and after the connecting rod impacts an inclined surface of the surface of the telescopic plate, the inclined surface retracts into a spring groove, so that the device can discharge the absorbed water through the telescopic plate while absorbing the water of hydrogen through the water absorption sponge; and the condition that the water absorption sponge cannot continuously absorb water after fully absorbing water is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hydrogen drying technical field, concretely is a hydrogen drying device. BACKGROUND

[0002] Water electrolysis hydrogen production is one of the hydrogen production methods which is widely used and relatively mature at present. The process of hydrogen production using water as raw material is actually the reverse process of hydrogen and oxygen combustion to generate water, so as long as a certain form of energy is provided, water can be decomposed, and the efficiency of water decomposition using electric energy to produce hydrogen is generally 75%~85%. This hydrogen production method has a relatively simple process and no pollution, so in the hydrogen production industry, the water electrolysis hydrogen production method has been widely used.

[0003] The existing hydrogen drying device often needs to be heated and regenerated regularly during use, which reduces the drying efficiency and the internal water absorption components are easily saturated and need to be replaced manually, thus cannot meet the existing needs. Therefore, the hydrogen drying device is provided. UTILITY MODEL CONTENT

[0004] The utility model discloses a hydrogen drying device, which solves the problems of hydrogen drying device in the prior art, such as the need for regular heating and regeneration during use, which reduces the drying efficiency, and the internal water absorption components are easily saturated and need to be replaced manually.

[0005] To achieve the above object, the utility model provides the following technical scheme: a hydrogen drying device, comprising a first drying tank, one side of the first drying tank is provided with a second drying tank, one side of the second drying tank is provided with a third drying tank, the inside of the first drying tank, the second drying tank and the third drying tank are all rotatably installed with a rotating shaft, the outer surface of the rotating shaft is all movably connected with a plurality of water absorption sponges, the inner side surface of the first drying tank, the second drying tank and the third drying tank is all fixedly installed with two inner cladding layers, the both sides of the inner cladding layer surface are all movably installed with a plurality of expansion plates, the surface of the expansion plate is all provided with an inclined plane, the inside of the inner cladding layer is all provided with a heating pipe.

[0006] Preferably, the both sides of the inner cladding layer surface are all provided with a plurality of spring grooves corresponding to the expansion plate, one end of the expansion plate is all movably clamped into the inside of the spring groove, and a compression spring is movably installed between the expansion plate and the inside of the spring groove.

[0007] Preferably, the outer surface of the rotating shaft is fixedly installed with a plurality of connecting rods, and the connecting rod is movably clamped into the inside of the water absorption sponge.

[0008] Preferably, one side of the top end of the first drying tank, the second drying tank and the third drying tank is provided with an exhaust pipe, the other side of the top end of the first drying tank, the second drying tank and the third drying tank is provided with an air extraction pipe, the bottom end of the first drying tank, the second drying tank and the third drying tank is provided with a water outlet, and one side of the surface of the first drying tank, the second drying tank and the third drying tank is provided with an air inlet pipe.

[0009] Preferably, the outer side of the air inlet pipe is movably connected with a hydrogen inlet pipe, and the connection position of the hydrogen inlet pipe and each air inlet pipe is provided with a time control valve.

[0010] Preferably, the outer surface of the rotating shaft is fixedly connected with an adsorption plate, the inner portion of the adsorption plate is provided with activated carbon, the top end of the first drying tank, the second drying tank and the third drying tank is provided with a speed reducer, and the output end of the speed reducer is connected with the top end of the rotating shaft through a shaft coupling.

[0011] Compared with the prior art, the hydrogen drying device has the following beneficial effects:

[0012] 1. The first drying tank, the second drying tank and the third drying tank are matched, so that when hydrogen is dried, the first drying tank is used for drying first, the second drying tank is used for heating and regeneration through the heating pipe at the same time, and the third drying tank is used for drying together with the first drying tank, and the first drying tank, the second drying tank and the third drying tank are sequentially operated through the time control valve, so that the drying, regeneration and dehydration are periodically completed, and the drying efficiency of hydrogen is improved.

[0013] 2. The water-absorbing sponge and the telescopic plate are matched, so that when the device is used, the rotating shaft is driven to rotate by the speed reducer, so that the water-absorbing sponge rotates in the device, the water-absorbing sponge hits the inclined surface of the telescopic plate, the water-absorbing sponge is squeezed by the connecting rod and the telescopic plate and discharges the absorbed water before the connecting rod hits the inclined surface of the telescopic plate, the inclined surface is retracted into the spring groove after the connecting rod hits the inclined surface of the telescopic plate, and the telescopic plate rebounds and pops out under the elastic force of the compression spring after the water-absorbing sponge rotates to the position of the telescopic plate, so that the device can discharge the absorbed water through the telescopic plate while the water-absorbing sponge absorbs the water of hydrogen, and the situation that the water-absorbing sponge cannot continue to absorb water after being full of water is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a structure schematic view of the whole utility model;

[0015] Fig. 2 It is a sectional front view of the first drying tank of the utility model;

[0016] Fig. 3 Figure 1 is a first drying tank of the utility model cross-sectional side view;

[0017] Fig. 4 Figure 1 is a first drying tank of the utility model cross-sectional plan view.

[0018] Figure 1 is a first drying tank of the utility model cross-sectional side view; Specific embodiments

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0020] Please refer to Figs. 1 to 4 The utility model provides an embodiment: a hydrogen drying device, including first drying tank 1, one side of first drying tank 1 is equipped with second drying tank 2, one side of second drying tank 2 is equipped with third drying tank 3, the inside of first drying tank 1, second drying tank 2 and third drying tank 3 all rotationally installed have pivot 10, the outer surface of pivot 10 all movably connected with multiple water absorption sponges 14, the inner side surface of first drying tank 1, second drying tank 2 and third drying tank 3 all fixedly installed have two inner clamping layers 12, the both sides of inner clamping layer 12 surface all movably installed have multiple expansion plates 17, the surface of expansion plate 17 all is equipped with inclined plane, the inside of inner clamping layer 12 all is equipped with heating pipe 13.

[0021] Through the cooperation of water absorption sponge 14 and expansion plate 17, when the device is used, pivot 10 can be driven to rotate by speed reducer 8, so as to drive water absorption sponge 14 to rotate in the inside of the device, at this time, water absorption sponge 14 will hit the inclined plane 18 on the surface of expansion plate 17, and because water absorption sponge 14 is a soft material, when connecting rod 15 touches expansion plate 17, water absorption sponge 14 will be squeezed by connecting rod 15 and expansion plate 17 in both directions and discharge the water absorbed, when connecting rod 15 hits the inclined plane 18 on the surface of expansion plate 17, will make inclined plane 18 retract to the inside of spring recess 16, until water absorption sponge 14 rotates through the position of expansion plate 17, expansion plate 17 will rebound and pop out by the elastic force of compression spring 19, so that the device can absorb water by water absorption sponge 14 while discharging the water absorbed by expansion plate 17, to avoid the situation that water absorption sponge 14 cannot continue to absorb water after absorbing water.

[0022] The inner sandwich layer 12 is provided with a plurality of spring grooves 16 corresponding to the expansion plates 17 on both sides of the surface of the inner sandwich layer 12, one end of each expansion plate 17 is movably clamped into the interior of the spring groove 16, and a compression spring 19 is movably installed between the expansion plate 17 and the interior of the spring groove 16.

[0023] The outer surface of the rotating shaft 10 is fixedly installed with a plurality of connecting rods 15, and the connecting rods 15 are movably clamped into the interior of the water absorption sponge 14.

[0024] The first drying tank 1, the second drying tank 2 and the third drying tank 3 are provided with an exhaust pipe 5 on one side of the top end, are provided with an air extraction pipe 6 on the other side of the top end, are provided with a water outlet 9 at the bottom end, and are provided with an air inlet pipe 4 on one side of the surface.

[0025] The outer side of the air inlet pipe 4 is movably connected with a hydrogen inlet pipe 7, and the connection between the hydrogen inlet pipe 7 and each air inlet pipe 4 is provided with a time control valve.

[0026] Through the cooperation of the first drying tank 1, the second drying tank 2 and the third drying tank 3, when drying hydrogen, the first drying tank 1 can be used for drying first, the second drying tank 2 can be heated and regenerated by the heating pipe 13 at the same time, and the third drying tank 3 can be used for drying together with the first drying tank 1, and the first drying tank 1, the second drying tank 2 and the third drying tank 3 are sequentially operated by the time control valve to periodically complete drying, regeneration, dehydration and other work, thereby improving the drying efficiency of hydrogen.

[0027] The outer surface of the rotating shaft 10 is fixedly installed with an adsorption plate 11, the interior of the adsorption plate 11 is provided with activated carbon, the top end of the first drying tank 1, the second drying tank 2 and the third drying tank 3 is provided with a speed reducer 8, and the output end of the speed reducer 8 is connected with the top end of the rotating shaft 10 through a shaft coupling.

[0028] When the hydrogen drying device is used, through the cooperation of the first drying tank 1, the second drying tank 2 and the third drying tank 3, when drying hydrogen, the first drying tank 1 can be used for drying first, the second drying tank 2 can be heated and regenerated by the heating pipe 13 at the same time, and the third drying tank 3 can be used for drying together with the first drying tank 1, and the first drying tank 1, the second drying tank 2 and the third drying tank 3 are sequentially operated by the time control valve to periodically complete drying, regeneration, dehydration and other work, thereby improving the drying efficiency of hydrogen

[0029] When drying, the rotary shaft 10 can be driven to rotate by the speed reducer 8, so as to drive the water-absorbing sponge 14 to rotate in the device, at this time, the water-absorbing sponge 14 will hit the inclined surface 18 on the surface of the telescopic plate 17, and since the water-absorbing sponge 14 is made of soft material, before the connecting rod 15 touches the telescopic plate 17, the water-absorbing sponge 14 will be squeezed by the connecting rod 15 and the telescopic plate 17 in two directions to discharge the water absorbed, after the connecting rod 15 hits the inclined surface 18 on the surface of the telescopic plate 17, the inclined surface 18 will retract into the spring groove 16, until the water-absorbing sponge 14 rotates to the position of the telescopic plate 17, the telescopic plate 17 will rebound and pop out under the elastic force of the compression spring 19, so that the device can absorb water by the water-absorbing sponge 14 while discharging the absorbed water by the telescopic plate 17, avoiding the situation that the water-absorbing sponge 14 cannot continue to absorb water after absorbing water.

[0030] It is apparent for those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the foregoing description, and it is intended to embrace all changes falling within the meaning and scope of equivalents of the claims. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. A hydrogen drying device comprising a first drying tank (1), characterized in that: The side of the first drying tank (1) is provided with the second drying tank (2), one side of the second drying tank (2) is provided with the third drying tank (3), the inside of the first drying tank (1), the second drying tank (2) and the third drying tank (3) is rotatably installed with the rotating shaft (10), the outer surface of the rotating shaft (10) is movably connected with a plurality of water absorption sponges (14), the inner side surface of the first drying tank (1), the second drying tank (2) and the third drying tank (3) is fixedly installed with two inner clamping layers (12), the both sides of the surface of the inner clamping layer (12) is movably installed with a plurality of expansion plates (17), the surface of the expansion plate (17) is provided with an inclined surface, the inside of the inner clamping layer (12) is provided with a heating pipe (13).

2. The hydrogen drying device according to claim 1, characterized in that: The both sides of the surface of the inner clamping layer (12) is provided with a plurality of spring grooves (16) corresponding to the expansion plate (17), one end of the expansion plate (17) is movably clamped into the inside of the spring groove (16), the expansion plate (17) and the inside of the spring groove (16) is movably installed with the compression spring (19).

3. The hydrogen drying device of claim 1, wherein: The outer surface of the rotating shaft (10) is fixedly installed with a plurality of connecting rods (15), the connecting rod (15) is movably clamped into the inside of the water absorption sponge (14).

4. The hydrogen drying device of claim 1, wherein: The side of the top end of the first drying tank (1), the second drying tank (2) and the third drying tank (3) is provided with the exhaust pipe (5), the other side of the top end of the first drying tank (1), the second drying tank (2) and the third drying tank (3) is provided with the air extraction pipe (6), the bottom end of the first drying tank (1), the second drying tank (2) and the third drying tank (3) is provided with the water outlet (9), one side of the surface of the first drying tank (1), the second drying tank (2) and the third drying tank (3) is provided with the air inlet pipe (4).

5. A hydrogen drying apparatus according to claim 4, wherein: The outer side of the air inlet pipe (4) is movably connected with the hydrogen inlet pipe (7), the connection between the hydrogen inlet pipe (7) and each air inlet pipe (4) is provided with the time control valve.

6. The hydrogen drying device of claim 1, wherein: The outer surface of the rotating shaft (10) is fixedly installed with the adsorption plate (11), the inside of the adsorption plate (11) is provided with activated carbon, the top end of the first drying tank (1), the second drying tank (2) and the third drying tank (3) is provided with the speed reducer motor (8), the output end of the speed reducer motor (8) is connected with the top end of the rotating shaft (10) through the shaft coupling.