Hydrogen dryer of hydrogen preparation system

Abstract

The utility model discloses a hydrogen dryer of a hydrogen preparation system, which comprises a base, a dryer main body is arranged above the base, two ends of the dryer main body are fixedly communicated with breather pipes in a penetrating manner, and the base is connected with the dryer main body through a plurality of upright posts. A plurality of placing grooves are formed in the upper end of the dryer body in a penetrating mode, a top plate is arranged at the upper end of the dryer body, a plurality of adsorption plates are fixedly connected to the lower end of the top plate, a supplementing device is fixedly connected to the upper end of the top plate at the corresponding position, and a discharging device is fixedly connected to the upper end of the base. The device has the advantages that an operator can replace the adsorbent conveniently, and danger caused by hydrogen residues is reduced.

Description

Technical Field

[0001] This utility model relates to the technical field of hydrogen preparation equipment, specifically a hydrogen dryer for a hydrogen preparation system. Background Technology

[0002] Hydrogen drying equipment is a specialized device used to remove moisture from hydrogen. Its importance lies in preventing moisture corrosion of equipment and pipelines, while ensuring the purity and safety of the hydrogen. Hydrogen drying equipment is mainly divided into several types, including but not limited to closed-loop hydrogen dryers, bag-type hydrogen dryers, molecular sieve hydrogen dryers, and metal hydrogen dryers. The working principles of these devices are primarily based on two methods: physical adsorption and chemical adsorption. Physical adsorption utilizes the large pore size and high specific surface area of ​​the adsorbent to adsorb water molecules from hydrogen. The physical adsorption process is reversible; when the adsorbent is saturated, the adsorbed moisture can be released by heating or reducing pressure, thus regenerating the adsorbent. Chemical adsorption utilizes specific chemical reactions to decompose or convert moisture into other substances. Commonly used chemical adsorbents include metal oxides and metal hydrides. The chemical adsorption process is usually irreversible; once the adsorbent is saturated, it needs to be replaced or regenerated.

[0003] In the prior art, when drying hydrogen, the operator introduces hydrogen into the existing drying equipment for drying. However, hydrogen is a dangerous gas, and there may be a risk of deflagration when the equipment is deployed to replace the adsorbent. Based on this problem, we propose a hydrogen dryer for a hydrogen production system. Utility Model Content

[0004] The purpose of this invention is to provide a hydrogen dryer for a hydrogen production system, so as to solve the problems existing in the prior art as described in the background.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A hydrogen dryer for a hydrogen production system includes a base, a dryer body disposed above the base, and a vent pipe fixedly connected to both ends of the dryer body. The base and the dryer body are connected by multiple columns. Multiple placement slots are disposed through the upper end of the dryer body. A top plate is disposed at the upper end of the dryer body. Multiple adsorption plates are fixedly connected to the lower end of the top plate. A replenishment device is fixedly connected to the upper end of the top plate at corresponding positions. A discharge device is fixedly connected to the upper end of the base.

[0007] Preferably, each of the adsorption plates has an isosceles trapezoidal placement groove extending through it, and each of the adsorption plates has a filter screen extending through its sidewall.

[0008] Preferably, the replenishing device includes a fixed frame fixedly connected to the upper end of the top plate, a reagent container fixedly connected to the fixed frame, a diversion pipe fixedly connected to the lower end of the reagent container, the diversion pipe being composed of a main pipe and multiple vertical pipes, a first control valve being provided on the side wall of the main pipe, and the multiple vertical pipes penetrating the side wall of the top plate and extending into each placement slot.

[0009] Preferably, the discharge device includes a fixed base fixedly connected to the upper end of the base, a slot is provided through the upper end of the fixed base, a collection box is placed in the slot, a suction fan body is fixedly connected to the upper end of the base, the input end of the suction fan body is connected to one end of the collection box, a collection pipe is provided at the lower end of the dryer body, the collection pipe is composed of another main pipe and multiple vertical pipes, multiple vertical pipes corresponding to the position of the collection pipe penetrate through the bottom of the dryer body and extend through to the bottom of the placement slot in multiple adsorption plates, and a second control valve is provided on the side wall of each of the multiple vertical pipes corresponding to the position of the collection pipe.

[0010] Preferably, a sealing gasket is provided between the top plate and the dryer body.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] In this invention, by setting up a replenishment device and a discharge device to cooperate with each other, multiple adsorption plates set inside the dryer body can be used to adsorb the moisture contained in the passing hydrogen gas. The adsorbent in each adsorption plate can be used for adsorption. When it is necessary to replace the adsorbent, multiple second control valves at the manifold can be opened first to transport the adsorbent in each adsorption plate to the collection box by the suction force generated by the suction fan. Then, after closing multiple second control valves, the first control valve can be opened, and new adsorbent can be added to each adsorption plate using the reagent tank and the diversion pipe.

[0013] In this invention, when the suction fan body draws the adsorbent from each placement slot, it also draws out the residual hydrogen gas. When the operator needs to open the dryer body, there will be no dangerous situation due to the residual hydrogen gas. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of a hydrogen dryer in a hydrogen production system proposed in this utility model;

[0015] Figure 2 This is a cross-sectional view of the adsorption plate of the hydrogen dryer in a hydrogen preparation system proposed in this utility model.

[0016] In the diagram: 1. Base, 2. Column, 3. Main body of the suction fan, 4. Main body of the dryer, 5. Adsorption plate, 6. Top plate, 7. Fixing frame, 8. Reagent tank, 9. Diverter pipe, 10. First control valve, 11. Vent pipe, 12. Collector pipe, 13. Second control valve, 14. Collection box, 15. Fixing seat. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0018] Reference Figure 1-2 A hydrogen dryer for a hydrogen production system includes a base 1, a dryer body 4 located above the base 1, and a vent pipe 11 connected to both ends of the dryer body 4. The base 1 and the dryer body 4 are connected by multiple columns 2. Multiple placement slots are provided through the upper end of the dryer body 4. A top plate 6 is provided at the upper end of the dryer body 4. Multiple adsorption plates 5 are fixedly connected to the lower end of the top plate 6. An isosceles trapezoidal placement slot is provided through the multiple adsorption plates 5. A filter screen is provided through the side wall of the multiple adsorption plates 5.

[0019] A replenishment device is fixedly connected to the upper end of the top plate 6 at the corresponding position. The replenishment device includes a fixing frame 7 fixedly connected to the upper end of the top plate 6. A reagent container 8 is fixedly connected to the fixing frame 7. A diversion pipe 9 is fixedly connected to the lower end of the reagent container 8. The diversion pipe 9 consists of a main pipe and multiple vertical pipes. A first control valve 10 is provided on the side wall of the main pipe. The multiple vertical pipes penetrate the side wall of the top plate 6 and extend into each placement slot.

[0020] The base 1 is fixedly connected to the upper end of a discharge device, which includes a fixed seat 15 fixedly connected to the upper end of the base 1. A slot is provided through the upper end of the fixed seat 15, and a collection box 14 is placed in the slot. The upper end of the base 1 is fixedly connected to a suction fan body 3. The input end of the suction fan body 3 is connected to one end of the collection box 14. The lower end of the dryer body 4 is provided with a collection pipe 12, which consists of another main pipe and multiple vertical pipes. The multiple vertical pipes corresponding to the position of the collection pipe 12 penetrate the bottom of the dryer body 4 and extend to the bottom of the placement slots in the multiple adsorption plates 5. The side walls of the multiple vertical pipes corresponding to the position of the collection pipe 12 are provided with second control valves 13.

[0021] It is worth mentioning that a sealing gasket is provided between the top plate 6 and the dryer body 4.

[0022] In this invention, the operator dries the introduced hydrogen gas through the dryer body 4. The hydrogen gas is injected into the dryer body 4 through the air pipes 11 on both sides, and the moisture is adsorbed by the adsorbent added in the multiple adsorption plates 5 inside.

[0023] When the adsorbent needs to be replaced, multiple second control valves 13 can be opened by the controller in the prior art. The adsorbent to be replaced in the placement slots of each adsorption plate 5 can be transported to the collection box 14 below through the manifold 12. At the same time, the suction fan 3 on one side will be started under the control of the controller in the prior art, generating suction at the collection box 14 and the manifold 12, which can accelerate the transfer of adsorbent. After the transfer is completed, multiple second control valves 13 are closed and then the first control valve 10 is opened. New adsorbent is added to the placement slots of each adsorption plate 5 through the reagent tank 8 fixed above and the diversion pipe 9. After completion, the first control valve 10 is closed and the system can continue to be used.

[0024] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A hydrogen dryer for a hydrogen production system, comprising a base (1), characterized in that, A dryer body (4) is provided above the base (1). Both ends of the dryer body (4) are connected by a vent pipe (11). The base (1) and the dryer body (4) are connected by multiple columns (2). Multiple placement slots are provided at the upper end of the dryer body (4). A top plate (6) is provided at the upper end of the dryer body (4). Multiple adsorption plates (5) are fixedly connected at the lower end of the top plate (6). A replenishment device is fixedly connected at the upper end of the top plate (6) at the corresponding position. A discharge device is fixedly connected at the upper end of the base (1).

2. The hydrogen dryer of the hydrogen production system according to claim 1, characterized in that, Each of the adsorption plates (5) has an isosceles trapezoidal placement groove through it, and each of the adsorption plates (5) has a filter screen through it on its side wall.

3. The hydrogen dryer of the hydrogen production system according to claim 1, characterized in that, The supplementary device includes a fixed frame (7) fixedly connected to the upper end of the top plate (6), a reagent container (8) fixedly connected to the fixed frame (7), a diversion pipe (9) fixedly connected to the lower end of the reagent container (8), the diversion pipe (9) is composed of a main pipe and multiple vertical pipes, a first control valve (10) is provided on the side wall of the main pipe, and the multiple vertical pipes penetrate the side wall of the top plate (6) and extend into each placement slot.

4. The hydrogen dryer of the hydrogen production system according to claim 1, characterized in that, The discharge device includes a fixed seat (15) fixedly connected to the upper end of the base (1). A slot is provided through the upper end of the fixed seat (15), and a collection box (14) is placed in the slot. A suction fan body (3) is fixedly connected to the upper end of the base (1). The input end of the suction fan body (3) is connected to one end of the collection box (14). A collection pipe (12) is provided at the lower end of the dryer body (4). The collection pipe (12) is composed of another main pipe and multiple vertical pipes. Multiple vertical pipes corresponding to the position of the collection pipe (12) penetrate the bottom of the dryer body (4) and extend to the bottom of the placement slot in multiple adsorption plates (5). A second control valve (13) is provided on the side wall of the multiple vertical pipes corresponding to the position of the collection pipe (12).

5. The hydrogen dryer of the hydrogen production system according to claim 1, characterized in that, A sealing gasket is provided between the top plate (6) and the dryer body (4).

Images