CN219363823U

CN219363823U - Hydrogen electrolysis equipment

Info

Publication number: CN219363823U
Application number: CN202320197919.9U
Authority: CN
Inventors: 李兴华; 陈秀梅
Original assignee: Beijing Viready Technology Co ltd
Current assignee: Beijing Viready Technology Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-07-18
Anticipated expiration: 2033-02-13

Abstract

The utility model discloses hydrogen electrolysis equipment, which comprises an electrolysis tank body, a liquid level detection part and an electrolysis polar plate group: a storage inner cavity is arranged in the electrolytic tank body and is used for storing electrolyte; the liquid level detection component is connected to the electrolytic tank body and extends into the storage cavity; an inductor is arranged in the liquid level detection component, is positioned in the storage inner cavity and is suspended on the electrolyte; the electrolytic pole plate group comprises a negative plate and a positive plate, the positive plate is connected to the outer surface of the electrolytic tank body, the negative plate is arranged on the side of the positive plate, which is different from one side of the electrolytic tank body, a reaction gap is formed between the negative plate and the positive plate, and the reaction gap is communicated with the storage cavity. The technical scheme of the utility model can improve the control performance of the electrolyte water level and ensure the processing stability.

Description

Hydrogen electrolysis equipment

Technical Field

The utility model relates to the technical field of hydrogen production by water electrolysis, in particular to hydrogen electrolysis equipment.

Background

The water electrolysis and gas production mainly refer to water electrolysis and hydrogen production, and are hydrogen and oxygen production processes by using hydrogen electrolysis equipment through consuming electric energy and water. The electrochemical reaction for preparing hydrogen and oxygen by water electrolysis is completed in an electrolysis chamber of the hydrogen electrolysis device, wherein a cathode and an anode are arranged in the electrolysis chamber, after direct current is applied to the electrodes, the electrochemical reaction occurs, and the water is decomposed into hydrogen and oxygen.

However, the existing hydrogen electrolysis equipment cannot accurately and rapidly detect the liquid level condition of the electrolyte, the electrolyte cannot be timely supplemented, and the smoothness of hydrogen production is insufficient.

Disclosure of Invention

The utility model mainly aims to provide hydrogen electrolysis equipment, which aims to improve the control performance of the electrolyte water level.

The utility model aims to solve the problems by adopting the following technical scheme:

a hydrogen electrolysis apparatus comprising:

the electrolytic cell body is internally provided with a storage inner cavity for storing electrolyte;

the liquid level detection component is connected to the electrolytic tank body and extends into the storage cavity; an inductor is arranged in the liquid level detection component, is positioned in the storage inner cavity and is suspended on the electrolyte;

the electrolytic pole plate group comprises a negative plate and a positive plate, the positive plate is connected to the outer surface of the electrolytic tank body, the negative plate is arranged on the side of the positive plate, which is different from one side of the electrolytic tank body, a reaction gap is formed between the negative plate and the positive plate, and the reaction gap is communicated with the storage cavity.

Preferably, the liquid level detection part is a float switch, and the inductor is a magnetic float of the float switch.

Preferably, at least one first through hole is formed in the outer surface of the electrolytic tank body; the first through hole is respectively communicated with the storage inner cavity and the reaction gap.

Preferably, the electrolytic electrode plate group further includes a sealing member connected between the negative electrode plate and the positive electrode plate.

Preferably, the electrolytic electrode plate group further includes a separator member disposed between the sealing member and the positive electrode plate; and the separation member is for separating hydrogen and oxygen generated by electrolysis and allowing the electrolyte to flow between the storage chamber and the reaction gap.

Preferably, the separation member is a diaphragm made of asbestos material.

Preferably, a hydrogen output pipeline is arranged at the side end of the electrolytic tank body, and the hydrogen output pipeline is communicated with the storage inner cavity and is used for discharging hydrogen generated by electrolysis; and a flow detection component is arranged on the hydrogen output pipeline.

Preferably, the flow detection component is a pressure gauge.

Preferably, the hydrogen electrolysis device further comprises a liquid circulation component, wherein one end of the liquid circulation component is communicated with the reaction gap and is used for conveying oxygen and carrying out solid-liquid separation treatment on the oxygen; the other end of the liquid circulation component is communicated with the storage inner cavity.

Preferably, the liquid circulation part includes a gas-liquid separation part, a circulation recovery pipe, and a first discharge pipe; one end of the first discharge pipe is communicated with the gas-liquid separation part, and the other end of the first discharge pipe penetrates through the negative plate and is communicated with the reaction gap; one end of the recycling pipeline is communicated with the gas-liquid separation component, and the other end of the recycling pipeline penetrates through the negative plate and is communicated with the reaction gap.

The beneficial effects are that: according to the technical scheme, the inductor is suspended in the electrolyte, so that the consumption condition of the electrolyte can be monitored in real time and in an express way, the control of the electrolyte water level and the realization of the function of reminding the replenishment of the electrolyte are facilitated, the production continuity of hydrogen is ensured, and the production efficiency is improved; meanwhile, a reaction gap is formed between the positive plate and the negative plate, so that the independent arrangement of the reaction gap and the storage cavity can be realized, and the stability of production and processing and the convenience of component assembly are improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view showing the structure of an embodiment of a hydrogen electrolysis apparatus according to the present utility model.

FIG. 2 is a cross-sectional view of an AA section of an embodiment of a hydrogen electrolysis apparatus according to the present utility model.

FIG. 3 is an enlarged view of a portion of an embodiment of a hydrogen electrolysis apparatus according to the present utility model.

FIG. 4 is a schematic view showing the structure of an embodiment of a hydrogen electrolysis apparatus according to the present utility model.

FIG. 5 is a top view of an embodiment of a hydrogen electrolysis apparatus according to the present utility model.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				1	Electrolytic tank body	101	Base seat
102	Reaction gap	103	Hydrogen output pipeline
				104	Flow rate detection member	105	Liquid discharge pipe
106	First through hole	2	Positive plate
				3	Negative plate	4	Liquid circulation component
41	Gas-liquid separation part	42	Circulation recovery pipeline
				43	First discharge pipe	5	Liquid level detecting part
51	Float switch	6	Sealing member
				7	Partition member	11	Storage cavity

The above description is given of the drawings.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if a directional indication (such as up, down, left, right, front, and rear … …) is involved in the embodiment of the present utility model, the directional indication is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional indication is correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if "and/or" and/or "are used throughout, the meaning includes three parallel schemes, for example," a and/or B "including a scheme, or B scheme, or a scheme where a and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides hydrogen electrolysis equipment.

In one embodiment of the utility model, as shown in FIGS. 1-3, the hydrogen electrolysis apparatus; comprising the following steps:

the electrolytic cell comprises an electrolytic cell body 1, wherein a storage inner cavity 11 is arranged in the electrolytic cell body 1, and the storage inner cavity 11 is used for storing electrolyte;

a liquid level detection part 5, wherein the liquid level detection part 5 is connected to the electrolytic tank body 1 and extends into the storage cavity 11; an inductor is arranged in the liquid level detection part 5, is positioned in the storage inner cavity 11 and is suspended on the electrolyte;

the electrolytic pole plate group comprises a negative plate 3 and a positive plate 2, wherein the positive plate 2 is connected to the outer surface of the electrolytic tank body 1, the negative plate 3 is arranged on the side of the positive plate 2, which is different from one side of the electrolytic tank body 1, a reaction gap 102 is formed between the negative plate 3 and the positive plate 2, and the reaction gap 102 is communicated with the storage cavity 11.

According to the technical scheme, the inductor is suspended in the electrolyte, so that the consumption condition of the electrolyte can be monitored in real time and in an express way, the control of the electrolyte water level and the realization of the function of reminding the replenishment of the electrolyte are facilitated, the production continuity of hydrogen is ensured, and the production efficiency is improved; meanwhile, a reaction gap is formed between the positive plate and the negative plate, so that the independent arrangement of the reaction gap and the storage cavity can be realized, and the stability of production and processing and the convenience of component assembly are improved.

In some embodiments, the electrolytic tank 1 is a cylindrical stainless steel electrolytic tank.

In particular, in some embodiments, as shown in fig. 1 and 5, the hydrogen electrolysis apparatus further comprises a base 101, and the electrolysis cell body 1 is detachably connected to the base 101. Wherein, the base 101 is made of insulating material plates (the materials can be PP, plates, bakelite plates and nylon plates). Wherein, a phi 6 third through hole is arranged in the middle of the base 101, and the electrolytic tank body 1 is detachably connected in the third through hole. The installation stability of the electrolytic tank body 1 is improved, and the ordered electrolysis is improved.

Wherein, the liquid level detection part 5 selects a float switch 51, and the inductor is a magnetic float of the float switch 51; the float switch 51 is configured to make the reed switch at a set position in the switch detection tube operate by using a magnetic float on the switch to rise or fall with the liquid level of the electrolyte, and to send out a contact switch (on/off) switching signal.

Specifically, in some embodiments, as shown in fig. 2 and 3, the outer surface of the electrolytic cell body 1 is provided with at least one first through hole 106; the first through hole 106 is respectively communicated with the storage inner cavity 11 and the reaction gap 102; wherein a first through hole 106 penetrates the positive electrode plate 2 and serves to allow an electrolyte to flow. Ion exchange of the electrolyte between the cathode and the anode is achieved through a multi-row array of phi 5 first through holes 106.

Specifically, in some embodiments, as shown in fig. 2 and 3, the electrolytic plate group further includes a sealing member 6, and the sealing member 6 is connected between the negative electrode plate 3 and the positive electrode plate 2. Among these, the sealing member 6 is an insulating gasket, preferably a rubber gasket, which is in contact with the side surface of the negative electrode plate 3 and the side surface of the positive electrode plate 2, respectively. The electrolyte is sealed inside while the cathode and anode are insulated.

Specifically, in some embodiments, as shown in fig. 2 and 3, the electrolytic plate group further includes a separator 7, the separator 7 being disposed between the sealing member 6 and the positive electrode plate 2; and the partition member 7 serves to partition hydrogen and oxygen generated by electrolysis and allow the electrolyte to flow between the storage chamber 11 and the reaction gap 102. Among them, the separation member 7 is made of an asbestos diaphragm. And can realize the oxygen and outwards discharge, the hydrogen carries the emission to depositing the inner chamber, carries out other too much mixture of two effectively, improves production quality.

In some embodiments, as shown in fig. 3, the outer surface of the electrolytic tank body 1 is provided with a second through hole for mounting the positive electrode plate 2.

Specifically, in some embodiments, as shown in fig. 1 and 2, the side end of the electrolyzer body 1 is provided with a hydrogen output pipe 103, and the hydrogen output pipe 103 is communicated with the storage cavity 11 and is used for discharging hydrogen generated by electrolysis; and the hydrogen output pipe 103 is provided with a flow detection part 104.

Wherein, the hydrogen output pipeline 103 is arranged at the top of the side end of the electrolytic tank body 1; the flow detection part 104 selects a pressure gauge, the pressure gauge transmits the pressure deformation to a pointer through the elastic deformation of a sensitive element (Bowden tube, bellows and bellows) in the gauge, and the pointer is caused to rotate to display the pressure of hydrogen flow by a conversion mechanism of a movement in the gauge.

In particular, in some embodiments, as shown in figures 2 and 4 and 5, the lateral ends of the electrolyzer body 1 are provided with a liquid discharge duct 105, said liquid discharge duct 105 being in communication with said storage cavity 11. Is favorable for cleaning and maintaining the electrolytic tank body and prolongs the service life of the equipment.

Specifically, in some embodiments, as shown in fig. 1 and 2, the hydrogen electrolysis apparatus further includes a liquid circulation member 4, and one end of the liquid circulation member 4 is in communication with the reaction gap 102 and is used for conveying oxygen and performing solid-liquid separation treatment on the oxygen; the other end of the liquid circulation part 4 is communicated with the storage cavity 11.

Wherein, as shown in fig. 1 and 2 and 3, the liquid circulation part 4 includes a gas-liquid separation part 41, a circulation recovery pipe 42, and a first discharge pipe 43; one end of the first discharge pipe 43 communicates with the gas-liquid separation member 41, and the other end of the first discharge pipe 43 passes through the negative electrode plate 3 and communicates with the reaction gap 102; one end of the recycling duct 42 communicates with the gas-liquid separation member 41, and the other end of the recycling duct 42 passes through the negative electrode plate 3 and communicates with the reaction gap 102. The gas-liquid separator adopts the principles of centrifugal separation and silk screen filtration to realize a separation device for removing liquid. It mainly comprises a cylinder body, a cyclone separator, a high-efficiency foam breaking net, a blow-down valve and other main components.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. A hydrogen electrolysis apparatus, characterized by comprising:

2. A hydrogen electrolysis apparatus according to claim 1, wherein the liquid level detection means is a float switch and the sensing body is a magnetic float of the float switch.

3. A hydrogen electrolysis apparatus according to claim 1, wherein the outer surface of the cell body is provided with at least one first through hole; the first through hole is respectively communicated with the storage inner cavity and the reaction gap.

4. A hydrogen electrolysis apparatus according to claim 1 or claim 3, wherein the electrolysis plate group further comprises a sealing member connected between the negative and positive plates.

5. The hydrogen electrolysis apparatus according to claim 4, wherein the electrolytic electrode plate group further comprises a partition member provided between the sealing member and the positive electrode plate; and the separation member is for separating hydrogen and oxygen generated by electrolysis and allowing the electrolyte to flow between the storage chamber and the reaction gap.

6. A hydrogen electrolysis apparatus according to claim 5, wherein the separation member is a diaphragm made of asbestos.

7. The hydrogen electrolysis equipment according to claim 1, wherein the side end of the electrolysis tank body is provided with a hydrogen output pipeline which is communicated with the storage inner cavity and is used for discharging hydrogen generated by electrolysis; and a flow detection component is arranged on the hydrogen output pipeline.

8. A hydrogen electrolysis apparatus according to claim 7, wherein the flow sensing means is a pressure gauge.

9. A hydrogen electrolysis apparatus according to claim 1, further comprising a liquid circulation member having one end in communication with the reaction gap and adapted to deliver oxygen and perform a solid-liquid separation treatment on the oxygen; the other end of the liquid circulation component is communicated with the storage inner cavity.

10. A hydrogen electrolysis apparatus according to claim 9, wherein the liquid circulation means comprises a gas-liquid separation means, a circulation recovery conduit and a first discharge conduit; one end of the first discharge pipe is communicated with the gas-liquid separation part, and the other end of the first discharge pipe penetrates through the negative plate and is communicated with the reaction gap; one end of the recycling pipeline is communicated with the gas-liquid separation component, and the other end of the recycling pipeline penetrates through the negative plate and is communicated with the reaction gap.