CN204999986U - Device for direct current electrolysis with solar energy power generation - Google Patents

Abstract

The utility model relates to the field of new energy utilization, which discloses a device for direct current electrolysis by utilizing solar power generation, which has the advantages of simple operation, low cost, energy saving and environmental protection. The device includes a solar photovoltaic battery panel, a vanadium battery, a solar charge and discharge controller, a current output control device and an electrolytic cell; the solar photovoltaic battery panel is connected to the positive and negative input ends of the solar charge and discharge controller, and the vanadium battery is connected to the The positive and negative terminals of the vanadium battery of the solar charge and discharge controller are connected, and the positive and negative output terminals of the solar charge and discharge controller are connected to the two electrodes in the electrolytic cell through the current output control device. The utility model is suitable for electrochemical extraction of various metals.

Description

A device for direct current electrolysis using solar power

technical field

The utility model relates to the field of new energy utilization, in particular to a device for direct current electrolysis using solar power generation.

Background technique

The use of conventional energy such as coal, oil, and natural gas has caused the deterioration of the global environment. With the increasing consumption of resources, the research on the development and utilization of new energy and renewable energy has become a hot spot, and it is imperative to replace conventional energy. As a new energy with great potential, solar energy has the advantages of being clean, non-polluting, widely distributed, and easy to obtain. It is a truly inexhaustible and inexhaustible energy source. With the development and progress of science and technology, solar thermal utilization technology and photovoltaic utilization technology will be widely used in agriculture, industry and other fields, which is of great significance to human production, life and environmental improvement.

The high energy consumption of the electrolytic metallurgy industry is an important problem it faces. With the rapid development of solar energy technology in my country, in order to reduce energy consumption and pollutant emissions in the metallurgical process and achieve the purpose of non-carbon clean metallurgy, from the total amount of energy and utilization From the perspective of method, introducing solar energy into the electrochemical metallurgy industry can meet the increasing energy demand of human beings, and it will not pollute the environment, which is one of the best solutions to solve the current energy problems. The application of solar energy in the electrochemical metallurgy process is not only one of the main ways of new energy utilization, but also an urgent need for the cleanliness of the electrolytic metallurgy process, which is of great significance to improving the environment.

Utility model content

The technical problem to be solved by the utility model is to propose a device for direct current electrolysis using solar power generation, which is easy to operate, low in cost, energy-saving and environment-friendly.

The solution adopted by the utility model to solve the above-mentioned technical problems is: a device for direct current electrolysis using solar power generation, including a solar photovoltaic battery panel, a vanadium battery, a solar charge and discharge controller, a current output control device and an electrolytic cell;

The solar photovoltaic battery panel is connected to the positive and negative input terminals of the solar charge and discharge controller, the vanadium battery is connected to the positive and negative terminals of the vanadium battery of the solar charge and discharge controller, and the positive and negative terminals of the solar charge and discharge controller are connected to each other. The pole output ends are connected to the two electrodes in the electrolytic cell through the current output control device.

In the utility model, solar photovoltaic panels are used to convert solar energy into electrical energy and store it in the vanadium battery, so that the vanadium battery can be used as a direct current power supply to output electrolytic current, and then the output electrolytic current is relatively stable through the current output control device, and the stable direct current It is transported to the electrolytic cell filled with electrolyte for DC electrolysis, so as to be used in the electrochemical metallurgical extraction and purification process of metal salt solution, that is, the electrolytic deposition and electrolytic refining process; among them, the solar charge and discharge controller is used to control the charge and discharge of the vanadium battery , To prevent overcharge or overdischarge, thereby improving the service life of vanadium batteries.

Further, the solar charge and discharge controller is provided with a temperature sensor.

Setting a temperature sensor on the solar charge and discharge controller can perform temperature compensation when the working environment of the photovoltaic cell panel and vanadium battery is unstable and the temperature difference is large, so as to improve the service life of the vanadium battery.

Further, the current output control device includes a sliding rheostat, an ammeter, and a voltmeter; the ammeter is connected in series with the sliding rheostat to one of the electrodes, and the voltmeter is connected to two electrodes.

The sliding rheostat is used to change the magnitude of the load current, and stabilize the output current and the current density during the electrolysis process, with simple structure and low cost;

A voltmeter and an ammeter are used to measure the voltage and current between the two poles, respectively, so as to facilitate feedback adjustment and make the electrolysis process more stable.

Further, the device for direct current electrolysis using solar power generation further includes a remote monitoring terminal connected to a remote monitoring port on the solar charge and discharge controller.

By setting the remote monitoring terminal, the relevant parameters in the electrolysis process can be remotely monitored, which is very convenient.

Further, a constant temperature water bath for independent heating of the electrolytic cell is provided outside the electrolytic cell.

The temperature of the electrolyte solution in the electrolytic cell is adjusted by the constant temperature water bath, which is beneficial to the stable progress of the electrolysis process.

Further, the device for direct current electrolysis using solar power generation also includes a liquid storage tank, a water pipe and a water pump; the liquid storage tank is connected to the electrolytic cell through the water pipe and the water pump.

The electrolyte circulation system is formed based on the liquid storage tank, water pipes and water pumps, thereby reducing the pollution of the electrolyte and ensuring the continuous operation of the electrolysis time for a long time.

The beneficial effects of the utility model are:

1. The device of the utility model has the advantages of simple structure, easy operation and low cost. Using the device for DC electrolysis not only saves the electric energy converted from fossil energy sources such as coal, oil, and natural gas, but also plays an environmental protection role.

2. The application of solar energy in electrochemical metallurgy process is not only one of the main ways of new energy utilization, but also the urgency of clean electrolytic metallurgy process, which is of great significance to improve the environment.

Description of drawings

Fig. 1 is the device schematic diagram that utilizes solar power generation to carry out DC electrolysis in the utility model embodiment;

In the figure, 1 is a solar photovoltaic panel, 2 is a vanadium battery, 3 is a solar charge and discharge controller, 4 is an electrolytic tank, 5 is a constant temperature water bath, 6 is an electrode, 7 is a voltmeter, 8 is a sliding rheostat, 9 is a Ammeter, 10 is a temperature sensor, 11 is a remote monitoring terminal, 12 is a water pipe, 13 is a liquid storage tank, and 14 is a water pump.

detailed description

Below in conjunction with accompanying drawing and embodiment the scheme of the present utility model is further described:

As shown in Figure 1, the device for direct current electrolysis using solar power generation in this example includes a solar photovoltaic panel 1, a vanadium battery 2, a solar charge and discharge controller 3, an electrolytic cell 4, a constant temperature water bath 5, an electrode 6, and a voltage Table 7, sliding rheostat 8, ammeter 9, temperature sensor 10, remote monitoring terminal 11, water pipe 12, liquid storage tank 13, water pump 14;

Wherein, the solar photovoltaic panel 1 is connected to the positive and negative input terminals of the solar charge and discharge controller 3, the vanadium battery 2 is connected to the positive and negative terminals of the vanadium battery of the solar charge and discharge controller 3, and the solar charge One end of the positive and negative output terminals of the discharge controller 3 is connected to one of the electrodes 6 in the electrolytic tank 4 through a sliding rheostat 8 and an ammeter 9 , and the other end is connected to two electrodes 6 in the electrolytic tank through a voltmeter 7 .

In order to realize temperature compensation, a temperature sensor 10 is provided on the solar charging and discharging controller 3; the solar charging and discharging controller 3 is also connected to a remote monitoring terminal 11 through a remote monitoring port, so as to realize remote monitoring;

In addition, a constant temperature water bath 5 for independently heating the electrolytic cell 4 is provided outside the electrolytic cell 4, and the temperature of the electrolyte in the electrolytic cell 4 is adjusted through the constant temperature water bath 5, which is beneficial to the stable electrolysis process.

The electrolyte circulation system formed based on the liquid storage tank 13 , the water pipe 12 and the water pump 14 can reduce the pollution of the electrolyte and ensure the continuous operation of the electrolysis time for a long time.

The working principle of the above-mentioned device is: first use the solar photovoltaic panel 1 to convert solar energy into electrical energy, and store the generated electrical energy in the vanadium battery 2 as a DC power supply, and then pass the solar charge and discharge controller 3 to prevent the vanadium battery from over-discharging Overcharge, use the sliding rheostat 8 to change the load resistance to adjust and control the size of the current, so that the output electrolysis current is stable, and the stable DC current is sent to the two electrodes 6 in the electrolytic cell 4 with the electrolyte for DC electrolysis There is a constant temperature water bath system 5 outside the electrolytic tank 5 to adjust and control the temperature of the electrolyte. The circulation of the electrolyte is realized through the liquid storage tank 13, the water pump 14 and the water pipe 12, thereby reducing the pollution of the electrolyte and ensuring the long-term electrolysis process. Ongoing. The utility model can be used in the electrochemical metallurgy extraction process of metal, that is, the electrolytic deposition and electrolytic refining process of the metal in aqueous solution.

The specific implementation thereof is described below with two embodiments:

Embodiment 1: Select 1 piece of 235w solar photovoltaic panel, select 1 piece of vanadium battery with rated voltage 24V and rated capacity 50AH, select the intelligent solar charge and discharge controller with model CM5024Z, electrolyzer (length, width and height: 29cm, 29cm , 20cm), the liquid storage tank (length, width and height: 40cm, 40cm, 25cm) is made of glass fiber reinforced plastic, the water bath (length, width and height: 40cm, 40cm, 35cm) is made of polyvinyl chloride, and the stainless steel plate is used as the cathode (12*10cm ² ) , the thick iron plate is used as the anode (11*9cm ² ), the current density is controlled at 200-300A/m ² , the electrolyte system is ferrous sulfate system, the pH value of the electrolyte is controlled between 3.5-4.5, and the circulation volume of the electrolyte is 2L /1h, the temperature of the water bath is 65°C, and the distance between electrodes is 6-8cm. Electrolytic purification of iron is carried out.

Embodiment 2: Select 1 piece of 235w solar photovoltaic panel, select 1 piece of vanadium battery with rated voltage 24V and rated capacity 50AH, select the intelligent solar charge and discharge controller whose model is CM5024Z, electrolyzer (length, width and height: 29cm, 29cm , 20cm), the liquid storage tank (length, width and height: 40cm, 40cm, 25cm) is made of glass fiber reinforced plastics, the water bath (length, width and height: 40cm, 40cm, 35cm) is made of polyvinyl chloride, and the pure copper rod is used as the cathode (radius 2cm, length 15cm), thick copper plate is used as anode (radius 2cm, length 15cm,), the current density is controlled at 250-350A/m ² , the electrolyte system is copper sulfate + sulfuric acid system, and the pH value of the electrolyte is controlled between 5-6 , electrolyte circulation volume 2.5L/1h, water bath temperature 60 ℃, pole distance 6-8cm. Electrolytic purification of copper is carried out.

Similarly, the electrochemical metallurgical extraction process of different metals can be realized by changing the electrolyte system, electrode material, electrolyte PH, temperature, electrode size, current density and other factors, that is, as long as the metal elements that can be electrolytically deposited and electrolytically refined in aqueous solution can be used Use this device for extraction and refining.

Therefore, the above description is only to illustrate some basic principles and structures of the present utility model, and is not intended to limit the utility model utilizing solar power generation to carry out direct current electrolysis within the specific structure and scope of application shown and described, so All corresponding modifications and equivalents that may be used belong to the patent scope of the utility model application.

Claims (6)

1. A device for direct current electrolysis utilizing solar power generation, characterized in that it includes a solar photovoltaic cell panel, a vanadium battery, a solar charge and discharge controller, a current output control device and an electrolyzer; The solar photovoltaic battery panel is connected to the positive and negative input terminals of the solar charge and discharge controller, the vanadium battery is connected to the positive and negative terminals of the vanadium battery of the solar charge and discharge controller, and the positive and negative terminals of the solar charge and discharge controller are connected to each other. The pole output ends are connected to the two electrodes in the electrolytic cell through the current output control device. 2. The device utilizing solar power generation for direct current electrolysis as claimed in claim 1, wherein a temperature sensor is arranged on the solar charge and discharge controller. 3. The device utilizing solar power generation for direct current electrolysis as claimed in claim 1, wherein the current output control device comprises a sliding rheostat, an ammeter, and a voltmeter; the ammeter is connected in series with the sliding rheostat to one of the electrodes , the voltmeter connects the two electrodes. 4. The device for carrying out direct current electrolysis utilizing solar power generation as claimed in claim 1, characterized in that, the device for carrying out direct current electrolysis using solar power generation also includes a remote monitoring terminal, and the remote monitoring terminal is connected to the solar charge and discharge controller. connected to the remote monitoring port. 5. The device for direct current electrolysis utilizing solar power generation as claimed in claim 1, wherein a constant temperature water bath for independently heating the electrolytic cell is provided outside the electrolytic cell. 6. the device utilizing solar power generation to carry out direct current electrolysis as claimed in claim 1, is characterized in that, the device that utilizes solar power generation to carry out direct current electrolysis also comprises liquid storage tank, water pipe and water pump; Described liquid storage tank passes water pipe and The water pump is connected to the electrolyzer.