CN217677803U - Electrolyte aqueous solution heating device of hydrogen production equipment - Google Patents

Abstract

The utility model belongs to the technical field of water electrolysis hydrogen production equipment, a hydrogen production equipment electrolyte aqueous solution heating device is disclosed, which comprises an electrolyte box and a water tank, wherein the electrolyte box and the water tank are respectively communicated with the electrolyte aqueous solution box through a first pipeline and a second pipeline; the device can quantitatively convey the heated electrolyte aqueous solution to the electrolytic cell, the heated electrolyte aqueous solution is less, the energy consumption is lower, the heating of the electrolyte aqueous solution can be stopped according to the actual production needs, the electrolyte and water are separated and conveyed, the condition that the electrolyte and the water are excessively wasted due to non-electrolysis is avoided, the production cost is reduced while the production efficiency is ensured, and the consumption of energy is reduced.

Description

Electrolyte aqueous solution heating device of hydrogen production equipment

Technical Field

The utility model belongs to the technical field of electrolysis water hydrogen manufacturing equipment, more specifically relates to a hydrogen manufacturing equipment electrolyte aqueous solution heating device.

Background

The hydrogen production by water electrolysis is a common and convenient hydrogen production method, direct current is introduced into an electrolytic cell filled with electrolyte aqueous solution, and water molecules generate electrochemical reaction on electrodes and are decomposed into hydrogen and oxygen. When direct current is applied to the aqueous electrolyte solution, the desalted water as a solvent is decomposed, and sodium hydroxide originally serving as an electrolyte remains in the water. In the process of electrolyzing the aqueous solution, because the deionized water has small ionization degree and low conductivity and belongs to a typical weak electrolyte, sodium hydroxide or potassium hydroxide electrolyte needs to be added and mixed into the electrolyte aqueous solution with a certain concentration so as to increase the conductivity of the solution and ensure that the deionized water can be smoothly electrolyzed into hydrogen and oxygen.

In order to improve the efficiency of water electrolysis hydrogen production, the electrolytic water (demineralized water) is heated in the existing in-plant technology, a large amount of the electrolytic water (demineralized water) is heated, the energy consumption and the production cost are increased, and the non-electrolyzed hot water is idle and is subsequently heated when in use, so that the energy waste is caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hydrogen production equipment electrolyte aqueous solution heating device, can be according to the heating of actual production demand to electrolyte aqueous solution, reduction in production cost when guaranteeing production efficiency reduces the consumption to the energy.

For realize above purpose, the utility model provides a hydrogen production equipment electrolyte aqueous solution heating device, including electrolyte case and water tank, the electrolyte case with the water tank communicates with electrolyte aqueous solution case through first pipeline and second pipeline respectively, electrolyte aqueous solution case is connected with and is used for the third pipeline with electrolyte aqueous solution input electrolysis inslot, electrolyte aqueous solution incasement is provided with the heating device who is used for the heating to electrolyte aqueous solution.

In some embodiments of the present application, the heating device is a spiral heater.

In some embodiments of the present application, a drain pipe is connected to the bottom of the electrolyte aqueous solution tank, and a drain valve is arranged on the drain pipe.

In some embodiments of the present application, the first, second and third conduits are respectively provided with a first, second and third infusion pump thereon.

In some embodiments of the present application, the first, second and third pipes are provided with first, second and third valves, respectively.

In some embodiments of the present application, the water tank is communicated with a water injection pipe for communicating with an external water source, and the electrolyte tank is communicated with an electrolyte adding pipe for communicating with an external electrolyte.

In some embodiments of the present application, an end of the third pipe, which is far away from the electrolytic aqueous solution tank, is provided with a plurality of branches, and the plurality of branches are respectively connected with the plurality of electrolytic cells.

In some embodiments of the present application, a drain pipe is connected to the branch, and a fourth valve is disposed on the drain pipe.

The utility model discloses a show the advantage and be: the device respectively arranges the electrolyte and water in two containers, and respectively and quantitatively conveys the heated electrolyte aqueous solution to the electrolytic cell, and the heated electrolyte aqueous solution is less, has low energy consumption, and can stop heating the electrolyte aqueous solution according to the actual production requirement; and electrolyte and water are separately conveyed, so that the condition that the electrolyte and the water are excessively wasted due to non-electrolysis is avoided, the production cost is reduced while the production efficiency is ensured, and the consumption of energy is reduced.

Drawings

FIG. 1 is a schematic structural view of an electrolyte aqueous solution heating device of the hydrogen production equipment of the present invention;

in the figure, 1, a water injection pipe; 2. an electrolyte addition tube; 3. a first conduit; 4. a second conduit; 5. a third pipeline; 6. a first infusion pump; 7. a second infusion pump; 8. a third infusion pump; 9. a first valve; 10. a second valve; 11. a third valve; 12. a sewage discharge pipe; 13. a liquid discharge pipe; 100. an electrolyte tank; 200. a water tank; 300. an electrolyte aqueous solution tank; 310. a spiral heater.

Detailed Description

The following detailed description of the present invention will be made with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

As shown in fig. 1, the utility model provides a hydrogen production equipment electrolyte aqueous solution heating device, include the electrolyte case 100 that links together through the fixing base, water tank 200 and electrolyte aqueous solution case 300, the electrolyte in the electrolyte case 100 is carried to electrolyte aqueous solution case 300 in through first pipeline 3, and water in the water tank 200 is carried to electrolyte aqueous solution case 300 in through second pipeline 4, is provided with heating device in the electrolyte aqueous solution case 300, and water and electrolyte mix in electrolyte aqueous solution case 300 and carry to the electrolysis through third pipeline 5 after the heating device heating.

It should be noted that the heating device in this embodiment employs a spiral heater 310; this device is through carrying electrolyte aqueous solution case 300 respectively with water and electrolyte in proportion requirement, comes the electrolyte aqueous solution that heats according to production actual need volume, and heating efficiency is fast, reduction in production cost when guaranteeing production efficiency avoids having and heats unnecessary electrolyte aqueous solution, leads to the electrolyte aqueous solution of heating not to electrolyze and excessively extravagant electrolyte and water, reduces the consumption to the energy.

It should be further noted that, one end of the third pipeline 5 away from the electrolyte aqueous solution tank 300 is provided with a plurality of branches, and the plurality of branches are connected to one electrolytic cell, in this embodiment, the third pipeline 5 is provided with two branches, and the two branches are respectively communicated with inlet pipes of #1 electrolytic cells and #2 electrolytic cells; in addition, one branch is connected with a liquid discharge pipe 13, the liquid discharge pipe 13 is provided with a fourth valve, waste liquid after electrolysis of the electrolytic cell can be discharged through the liquid discharge pipe 13, and inlet pipes of the #1 and #2 electrolytic cells are ensured to be clean, so that the electrolysis efficiency is ensured.

In order to further optimize the above embodiment, the first infusion pump 6, the second infusion pump 7 and the third infusion pump 8 are respectively arranged on the first pipeline 3, the second pipeline 4 and the third pipeline 5, the speed of inputting water and electrolyte into the electrolyte aqueous solution tank 300 can be accurately measured and controlled by arranging the infusion pumps, and the infusion amount of inputting water and electrolyte into the electrolyte aqueous solution tank 300 can be accurately measured and controlled, so as to ensure that the water and the electrolyte are mixed in the electrolyte aqueous solution tank 300 in corresponding proportion; the third liquid-feeding pump 8 can accurately measure and control the speed of the electrolytic aqueous solution into the electrolytic bath, and accurately measure and control the amount of the electrolytic aqueous solution fed into the electrolytic bath.

In order to further optimize the above embodiment, the first pipe 3, the second pipe 4 and the third pipe 5 are respectively provided with a first valve 9, a second valve 10 and a third valve 11, and the flow state of the solution in each container can be controlled according to the actual production situation through the valve arrangement.

In order to further optimize the above embodiment, a drain pipe 12 is connected to the bottom of the electrolyte aqueous solution tank 300, and a drain valve is provided on the drain pipe 12 to drain the electrolyte aqueous solution when waste liquid exists in the electrolyte aqueous solution tank 300 through the drain pipe 12.

In order to further optimize the above embodiment, a water injection pipe 1 is connected to the water tank 200, an external water source can be introduced into the water tank 200 through the water injection pipe 1, and the water source is conveniently replenished, and an electrolyte addition pipe 2 is connected to the electrolyte tank 100 and is communicated with an external electrolyte through the electrolyte addition pipe 2, and the electrolyte is conveniently replenished into the electrolyte tank 100.

To sum up, the utility model provides a hydrogen production equipment electrolyte aqueous solution heating device, in the installation, when needs electrolysis hydrogen production, first pipeline and second pipeline require the electrolyte in the water tank and the electrolyte in the electrolyte case to carry to the electrolyte aqueous solution case according to the proportion respectively, and water and electrolyte mix in the electrolyte aqueous solution case and heat through the spiral heating pipe, then take out the liquid after heating through the transfer pump and carry out the electrolysis hydrogen production in #1, #2 electrolysis trough through the third pipeline, and the waste liquid after the electrolysis is discharging through the fluid-discharge tube; this device can be according to the heating of actual production required quantity to electrolyte aqueous solution, and the electrolyte is carried with the moisture is separated, avoids having not electrolyze and the excessive extravagant condition of electrolyte and water, reduction in production cost when guaranteeing production efficiency.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims (8)

1. The utility model provides a hydrogen manufacturing equipment electrolyte aqueous solution heating device, includes electrolyte case and water tank, its characterized in that, the electrolyte case with the water tank is respectively through first pipeline and second pipeline and electrolyte aqueous solution case intercommunication, electrolyte aqueous solution case is connected with and is used for the third pipeline of inputing electrolyte aqueous solution in the electrolysis trough, electrolyte aqueous solution incasement is provided with the heating device who is used for heating electrolyte aqueous solution.

2. The apparatus of claim 1, wherein the heating apparatus is a spiral heater.

3. The apparatus of claim 1, wherein a drain pipe is connected to the bottom of the tank, and a drain valve is disposed on the drain pipe.

4. The apparatus of claim 1, wherein the first, second and third conduits are respectively provided with a first, second and third liquid delivery pumps.

5. The apparatus of claim 1, wherein the first, second and third conduits are provided with a first valve, a second valve and a third valve, respectively.

6. The heating device for the electrolyte aqueous solution of the hydrogen production equipment according to claim 1, wherein a water injection pipe for communicating with an external water source is communicated with the water tank, and an electrolyte addition pipe for communicating with an external electrolyte is communicated with the electrolyte tank.

7. The apparatus of claim 1, wherein a plurality of branches are disposed at an end of the third pipe away from the tank, and the branches are respectively connected to the plurality of electrolytic cells.

8. The apparatus for heating an aqueous electrolyte solution for a hydrogen production plant according to claim 7, wherein a drain pipe is connected to the branch, and a fourth valve is disposed on the drain pipe.

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