PEM electrolysis water purification device for hydrogen production

Abstract

The utility model belongs to the PEM electrolytic water technical field, concretely relates to a kind of water purification device for PEM electrolytic water hydrogen production, including the cavity in the shell of having inside, and the purification assembly being set in the cavity, the purification assembly will the inside of the cavity be separated into the first chamber and the second chamber of intercommunication, the surface of the shell is also set with the water inlet and the water outlet of respectively with the first chamber and the second chamber intercommunication, water to be purified by the water inlet enters first chamber, and after passing through purification assembly purification, enter second chamber from water outlet and discharge.The utility model combines the filter element and resin in filter tank and resin tank in a shell by filter tank and resin tank, so that the filter tank and resin tank can be combined, which can reduce the pipeline connection between the PEM hydrogen production system, on the one hand, it can reduce production cost, on the other hand, it also facilitates the operation process when replacing filter element and resin.

Description

Technical Field

[0001] This utility model belongs to the field of PEM electrolysis water technology, specifically relating to a water purifier for PEM electrolysis water hydrogen production. Background Technology

[0002] In the PEM water electrolysis hydrogen production system, the condensate discharged from the heat exchanger and the water from the water supply source are generally purified by a series of resin tanks and filter tanks before entering the pure water tank. The process is that the water first enters the resin tank for purification, then enters the filter tank for filtration, and finally is discharged into the pure water tank.

[0003] Because the resin tank and the filter tank are separate, it is very inconvenient to replace either the resin in the resin tank or the filter element in the filter tank, as the connecting pipes between the two must be disassembled.

[0004] In view of this, the present invention provides a water purifier that combines a filter tank and a resin tank to meet market demand. Utility Model Content

[0005] To achieve the above objectives, this utility model provides the following technical solution: a water purifier for PEM electrolysis to produce hydrogen, comprising: a shell having an internal cavity, and a purification component disposed within the cavity, wherein the purification component divides the interior of the cavity into a first chamber and a second chamber that are connected to each other; the surface of the shell is also provided with an inlet and an outlet that are respectively connected to the first chamber and the second chamber; the water to be purified enters the first chamber through the inlet, passes through the purification component for purification, and then enters the second chamber and is discharged from the outlet.

[0006] Preferably, the bottom of the housing is open, and the bottom cover is detachably and sealingly connected to the open part of the bottom of the housing to close the open part.

[0007] Preferably, both the water inlet and the water outlet are located on the bottom cover.

[0008] Preferably, the purification assembly includes a first filter element and a second filter element arranged in an axial ring, and a purification packing material disposed between the first filter element and the second filter element.

[0009] Preferably, the bottom cover is also provided with a discharge port that connects to the purification packing material.

[0010] Preferably, the top of the housing has at least one packing port that communicates with the purification packing material.

[0011] Preferably, the top of the housing is also sealed and detachably fitted with a top cover for sealing the filling port.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] This invention combines the filter tank and the filter element and resin in the resin tank into a single housing, which reduces the need for pipeline connections with the PEM hydrogen production system. This reduces production costs and simplifies the replacement process of the filter element and resin. Attached Figure Description

[0014] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0016] Figure 2 This is a three-dimensional structural diagram of the present invention from another perspective;

[0017] Figure 3 This is a cross-sectional structural diagram of the present invention;

[0018] Figure 4 This is a cross-sectional three-dimensional structural diagram of the present invention;

[0019] Figure 5 This is a cross-sectional exploded structural diagram of the present invention.

[0020] In the diagram: 1. Shell; 11. First chamber; 12. Second chamber; 2. Bottom cover; 21. Inlet; 22. Outlet; 23. Discharge port; 3. Purification assembly; 31. First filter element; 32. Second filter element; 33. Purification packing; 4. Top cover; 5. Packing port; 6. Positioning groove. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example 1:

[0023] This utility model relates to a water purification device for PEM electrolysis to produce hydrogen, such as... Figures 1-5 As shown, it includes a housing 1 with an internal cavity, and a purification component 3 disposed within the cavity.

[0024] The housing 1 is a cylindrical body with an open bottom, and the bottom cover 2 is detachably and sealingly connected to the open bottom of the housing 1, thereby closing the open. Simultaneously, the purification component 3 can be easily replaced by removing the bottom cover 2. Preferably, in this embodiment, the bottom cover 2 and the open bottom are connected by threads.

[0025] like Figures 3-4 As shown, the purification component 3 divides the cavity inside the housing 1 into a first chamber 11 and a second chamber 12, and the two chambers are connected together by the purification component 3. The bottom cover 2 has an inlet 21 and an outlet 22 that connect the first chamber 11 and the second chamber 12, respectively. In use, the water to be purified enters the first chamber 11 through the inlet 21, is purified by the purification component 3, enters the second chamber 12, and is finally discharged from the outlet 22.

[0026] Specifically, the purification component 3 includes a first filter element 31 and a second filter element 32 arranged in an axial ring. The first filter element 31 and the second filter element 32 do not contact each other, thus forming an annular gap between them. The purification packing 33 fills this gap. Preferably, the first filter element 31 and the second filter element 32 are annular filter cotton cores, which can filter particulate impurities in the water. The purification packing 33 uses ion exchange resin, which is commonly used in the prior art. When "hard water" containing calcium and magnesium ions flows through the ion exchange resin, the resin firmly "captures" the calcium and magnesium ions in the water and releases an equal amount of sodium ions into the water at the same time. After the exchange, the calcium and magnesium ions in the water are left on the resin, and the water that flows out mainly contains sodium ions. Since sodium salts do not form scale, the water is softened.

[0027] Example 2:

[0028] Because the purification packing material 33 has a short service life, to facilitate its replacement without disassembly or repair, based on the above-described embodiment 1, at least one packing port 5 communicating with the purification packing material 33 is provided on the top of the shell 1. Simultaneously, a discharge port 23 communicating with the purification packing material 33 is also provided on the bottom cover 2. During use, the discharge port 23 can be opened to discharge the purification packing material 33, and then new purification packing material 33 can be filled through the packing port 5. The discharged purification packing material 33 can be collected and regenerated for subsequent operations for recycling.

[0029] Furthermore, such as Figure 5As shown, a top cover 4 for sealing the filling port 5 is detachably and sealingly embedded in the top of the housing 1. Preferably, in this embodiment, a groove is formed in the top of the housing 1, the filling port 5 is formed in the groove, and the top cover 4 is threadedly connected to the groove to seal and cover the filling port 5. In addition, the discharge port 23 can be sealed by interference fit with a plug or by threaded connection when not discharging.

[0030] In another preferred embodiment, such as Figure 5 As shown, positioning grooves 6 are respectively provided on the inner wall of the cavity inside the housing 1 to match the ends of the first filter element 31 and the second filter element 32. The ends of the first filter element 31 and the second filter element 32 can be sealed and inserted into the positioning grooves 6 so that the first filter element 31 and the second filter element 32 can be fixed in the cavity inside the housing 1 to prevent radial movement caused by water flow impact.

[0031] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A water purifier for PEM electrolysis to produce hydrogen, characterized in that, include: The shell (1) has an internal cavity, and a purification component (3) is disposed in the cavity. The purification component (3) divides the interior of the cavity into a first chamber (11) and a second chamber (12) that are connected. The surface of the shell (1) is also provided with an inlet (21) and an outlet (22) that are connected to the first chamber (11) and the second chamber (12) respectively. The water to be purified enters the first chamber (11) through the inlet (21), and after being purified by the purification component (3), it enters the second chamber (12) and is discharged from the outlet (22).

2. The PEM electrolysis water purification device for hydrogen production according to claim 1, characterized in that: The bottom of the housing (1) is open, and the bottom cover (2) is detachably and sealingly connected to the opening at the bottom of the housing (1) to close the opening.

3. The PEM electrolysis water purification device for hydrogen production according to claim 2, characterized in that: Both the inlet (21) and the outlet (22) are located on the bottom cover (2).

4. The PEM electrolyzer water purifier for purifying water for hydrogen production according to claim 3, characterized in that: The purification assembly (3) includes a first filter element (31) and a second filter element (32) arranged in an axial ring, and a purification packing material (33) disposed between the first filter element (31) and the second filter element (32).

5. The PEM electrolysis water purification device for hydrogen production according to claim 4, characterized in that: The bottom cover (2) is also provided with a discharge port (23) that connects to the purification packing material (33).

6. The PEM electrolyzer water purifier for purifying water for hydrogen production according to claim 4 or 5, characterized in that: The top of the shell (1) is provided with at least one packing port (5) that connects to the purification packing (33).

7. The PEM electrolyzer water purifier for purifying water for hydrogen production according to claim 6, characterized in that: The top of the housing (1) is also sealed and detachably fitted with a top cover (4) for sealing the filling port (5).

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