Electrically-driven hydrogen peroxide generator

Abstract

The utility model discloses an electrically-driven hydrogen peroxide generator which comprises a reaction box and a hydrogen peroxide generating system arranged in the reaction box, the hydrogen peroxide generation system comprises a hydrogenation reaction device, a hydrogenation reaction liquid storage tank, an oxidation reaction device, an oxidation reaction liquid storage tank, an extraction device, an extraction liquid storage tank and a circulating liquid storage tank which are connected through liquid pipelines, and each liquid pipeline is controlled through a liquid conveying unit; the hydrogenation reaction device and the oxidation reaction device are electrolytic reactors, are respectively connected with a gas pipeline and are controlled by a gas conveying unit; the reaction box is provided with a controller, a liquid inlet and outlet and a gas inlet and outlet, the controller is electrically connected with the hydrogenation reaction device, the oxidation reaction device, the liquid conveying unit, the gas conveying unit and the extraction device to implement control and monitoring, the retention time of reaction liquid and reaction gas in the hydrogenation reactor and the oxidation reactor can be controlled, and full reaction is achieved; the device is portable and practical.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of production equipment, specifically relates to a kind of electric drive hydrogen peroxide generator. BACKGROUND

[0002] Hydrogen peroxide is widely used in chemical production, environmental management, medical health and other fields as an important industrial raw material.The existing hydrogen peroxide synthesis method is anthraquinone method, and its specific preparation process needs to prepare hydrogen peroxide through multiple processes such as hydrogenation, oxidation and extraction.However, the reaction steps involved in this process are complex, and a large amount of infrastructure investment is required.In addition, a large amount of waste and by-products are generated during the reaction process, resulting in low production efficiency and capacity.In addition, there are safety hazards in the storage and transportation of hydrogen peroxide.Therefore, it is urgent to develop a portable hydrogen peroxide preparation device with simple process, less infrastructure investment and present preparation. SUMMARY

[0003] The utility model provides a kind of electric drive hydrogen peroxide generator in view of the deficiency of prior art.

[0004] To achieve the above purpose, the technical scheme of the utility model is as follows:

[0005] A kind of electric drive hydrogen peroxide generator, it includes reaction box and the hydrogen peroxide generation system arranged in reaction box;The hydrogen peroxide generation system includes hydrogenation reaction device, hydrogenation reaction liquid storage tank, oxidation reaction device, oxidation reaction liquid storage tank and extraction device, hydrogenation reaction device, hydrogenation reaction liquid storage tank are connected bidirectionally by liquid pipeline, hydrogenation reaction liquid storage tank, oxidation reaction device, oxidation reaction liquid storage tank and extraction device are sequentially connected unidirectionally by liquid pipeline, extraction device is connected extraction liquid storage tank and circulating liquid storage tank by liquid pipeline respectively, circulating liquid storage tank is connected hydrogenation reaction liquid storage tank by liquid pipeline, each liquid pipeline is controlled by liquid delivery unit respectively;The hydrogenation reaction device and oxidation reaction device are electrolytic reactor, are connected with gas pipeline respectively and are controlled by gas delivery unit;Controller, inlet and outlet liquid port and inlet and outlet gas port are provided on the reaction box, and the controller is electrically connected with hydrogenation reaction device, oxidation reaction device, liquid delivery unit, gas delivery unit and extraction device to implement control and monitoring.

[0006] Optionally, the gas pipeline includes hydrogen gas inlet pipeline and oxygen gas inlet pipeline entering through the inlet and outlet gas port, the gas delivery unit includes hydrogen gas delivery unit and oxygen gas delivery unit, the hydrogen gas inlet pipeline is connected with the hydrogenation reaction device and controlled by the hydrogen gas delivery unit, and the oxygen gas inlet pipeline is connected with the oxidation reaction device and controlled by the oxygen gas delivery unit;Gas speed display is further provided on the reaction box, and the gas speed display is used to display the gas speed of hydrogen and oxygen.

[0007] Optionally, the extraction liquid tank is also connected with a liquid outlet unit, the liquid outlet unit is led out through the liquid inlet and outlet, and the liquid outlet unit is electrically connected with the controller.

[0008] Optionally, a liquid level display for displaying the liquid level of the extraction liquid tank is arranged on the reaction box.

[0009] Optionally, the controller has a control panel for human-computer interaction.

[0010] Optionally, the hydrogenation reaction device, the oxidation reaction device, the extraction device, the extraction liquid tank and the circulating liquid tank are fixed to the bottom end in the reaction box, the hydrogenation reaction liquid tank and the oxidation reaction liquid tank are fixed to the top end in the reaction box, and the liquid conveying unit is fixed to the middle part in the reaction box.

[0011] Optionally, the liquid conveying unit comprises a first liquid conveying unit, a second liquid conveying unit and a third liquid conveying unit, the first liquid conveying unit is used for controlling the reaction liquid to enter the hydrogenation reaction device from the hydrogenation reaction liquid tank and return to the hydrogenation reaction liquid tank after reaction, the second liquid conveying unit is used for controlling the one-way transportation of the liquid pipeline between the hydrogenation reaction liquid tank, the oxidation reaction device, the oxidation reaction liquid tank and the extraction device, and the third liquid conveying unit is used for controlling the one-way transportation of the liquid pipeline between the circulating liquid tank and the hydrogenation reaction liquid tank.

[0012] Optionally, the flow outlet of the hydrogenation reaction liquid tank into the hydrogenation reaction device and the flow inlet of the circulating liquid tank into the hydrogenation reaction liquid tank are located in the lower part of the hydrogenation reaction liquid tank, and the flow inlet of the hydrogenation reaction device into the hydrogenation reaction liquid tank and the flow outlet of the hydrogenation reaction liquid tank into the oxidation reaction device are located in the lower part of the hydrogenation reaction liquid tank.

[0013] Optionally, the electrolytic reactor has a cathode end plate and an anode end plate for applying voltage, and the electrolytic reactor is provided with a diffusion layer and a diaphragm.

[0014] Optionally, the liquid conveying unit comprises one or more of a peristaltic pump, a centrifugal pump and a magnetic drive pump, and the gas conveying unit comprises one or more of a gas flow controller, a rotameter and a mass flowmeter.

[0015] The hydrogen peroxide generator has the following beneficial effects:

[0016] 1. The hydrogen peroxide generator controls the residence time of the reaction liquid and the reaction gas in the hydrogenation reaction pile and the oxidation reaction pile through the material conveying equipment, so that the gas and the liquid are fully reacted.

[0017] 2. The hydrogen peroxide generator avoids a large infrastructure investment and reduces the floor space compared to the industrial production method.

[0018] 3. The hydrogen peroxide generator is a portable device that can produce hydrogen peroxide on demand, realizing the on-site production of hydrogen peroxide, and avoiding the safety hazards of hydrogen peroxide in storage and transportation compared to the industrial production method, and the production device has high practicability.

[0019] Other features and advantages of the present application will be described in the following specification, and some of them will become apparent from the specification, or will be understood by those skilled in the art through implementation of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a schematic diagram of the box structure of the hydrogen peroxide generator of the embodiment;

[0021] Figure 2 is a schematic diagram of the internal structure of the hydrogen peroxide generator of the embodiment;

[0022] Figure 3 is a schematic diagram of the flow path structure of the hydrogen peroxide generator of the embodiment;

[0023] Figure 4 is a schematic diagram of the reaction flow of the hydrogen peroxide generator of the embodiment;

[0024] Figure 5 is a control diagram of the hydrogen peroxide generator of the embodiment;

[0025] In the figure: 1 reaction box, 11 inlet and outlet gas port, 12 inlet and outlet liquid port, 21 hydrogenation reaction device, 22 hydrogenation reaction liquid storage tank, 23 oxidation reaction device, 24 oxidation reaction liquid storage tank, 25 extraction device, 26 extraction liquid storage tank, 27 circulating liquid storage tank, 28 liquid delivery unit, 281 first liquid delivery unit, 282 second liquid delivery unit, 283 third liquid delivery unit, 29 gas delivery unit, 291 hydrogen gas delivery unit, 292 oxygen gas delivery unit, 3 power switch, 4 controller, 41 control panel, 5 liquid outlet unit, 6 gas speed display, 7 liquid level display, b1 hydrogen gas inlet pipeline, b2 oxygen gas inlet pipeline. DETAILED DESCRIPTION

[0026] The device technology in the specific embodiments of the present application will be further described below in conjunction with the drawings. In this description, the size proportions of the drawings do not represent the actual size proportions, which are used to reflect the relative position relationship and connection relationship between the components; the embodiments are only preferred embodiments of the present application, and are not intended to limit the protection scope of the present application; therefore: any equivalent changes made in accordance with the structure, shape and principle of the present application should be covered within the protection scope of the present application.

[0027] In order to avoid the problem of large infrastructure investment and the risk of hydrogen peroxide storage and transportation, the utility model provides a kind of electric drive hydrogen peroxide generator, the integration control of hydrogen peroxide generator is realized by integrating the device required in hydrogen peroxide preparation process.An embodiment of electric drive hydrogen peroxide generator refers to Figures 1 to 5 It includes reaction box 1 and the hydrogen peroxide generation system for being arranged in reaction box.Hydrogen peroxide generation system includes hydrogenation reaction device 21, hydrogenation reaction liquid storage tank 22, oxidation reaction device 23, oxidation reaction liquid storage tank 24 and extraction device 25, extraction liquid storage tank 26 and circulating liquid storage tank 27 connected by liquid pipeline, and liquid pipeline is controlled by liquid conveying unit 28.Hydrogenation reaction device 22 and oxidation reaction device 23 are connected with gas pipeline respectively and are controlled by gas conveying unit 29.Hydrogenation reaction device 22 and oxidation reaction device 23 are electrolytic reactor.Reaction box 1 is equipped with the power switch 3 and controller 4 of hydrogen peroxide generator, and hydrogen peroxide generation system is controlled by controller 4, specifically, controller 4 is electrically connected with liquid conveying unit 28, gas conveying unit 29, hydrogenation reaction device 22, oxidation reaction device 23 and extraction device 25 to control the action of liquid conveying, gas conveying and reaction and extraction.The above-mentioned liquid pipeline is connected between storage tank and reaction device using polytetrafluoroethylene pipe to realize.

[0028] The reaction box 1 is provided with an air inlet and outlet 11 and a liquid inlet and outlet 12. The gas pipeline is connected to the corresponding gas supply equipment through the air inlet and outlet 11. The extraction liquid storage tank 26 is also connected to the liquid outlet unit 5, which is connected to the product extraction device through the liquid inlet and outlet 12. The liquid outlet unit 5 is electrically connected to the controller 4, which includes a liquid outlet pipe and a liquid outlet pump for controlling the opening and closing of the liquid outlet pipe. The reaction box 1 is also provided with a gas speed display 6 and a liquid level display 7. The gas speed display 6 is used to display the gas speed of the reaction gas (including hydrogen and oxygen). The liquid level display 7 is used to display the liquid level of the extraction liquid storage tank 26, which is used to determine the start and stop of the hydrogen peroxide generator or the extraction of the product hydrogen peroxide solution through the liquid outlet unit 5. The hydrogenation reaction device 21 and the oxidation reaction device 23 are fixed to the right lower end of the reaction box 1 in sequence. The extraction device 25, the extraction liquid storage tank 26 and the circulating liquid storage tank 27 are fixed to the left lower end of the reaction box 1 in sequence. The hydrogenation reaction liquid storage tank 22 and the oxidation reaction liquid storage tank 24 are embedded in the top end of the reaction box 1. By setting the fixed mode of the hydrogenation reaction liquid storage tank 22, the oxidation reaction liquid storage tank 24, the extraction liquid storage tank 26 and the circulating liquid storage tank 27 as embedded in the box, the whole can buffer the impact in all directions, avoid the violent shaking of the hydrogen peroxide generator, and ensure the safety of the internal facilities. The air inlet and outlet 11 is located on the right side of the reaction box 1, and the liquid inlet and outlet 12 is located on the left side of the reaction box 1. The reaction box 1 is made of aluminum material, and the box body is provided with heat dissipation holes for heat dissipation during the operation of the hydrogen peroxide generator. The box door is located on the rear side of the box body for convenient maintenance and replacement of the internal structure of the box body.

[0029] The controller 4 is an automatic instrument and control system, which has a control panel 41 for human-computer interaction. The control panel 41 is used to input the setting parameter value and output the display of the monitored real-time data, which includes the power switch, the liquid delivery unit switch and the flow rate setting, the gas delivery unit switch and the gas speed setting, the extraction device switch and the setting, the hydrogenation reaction device and the oxidation reaction device switch and the setting, and the display of the reaction liquid flow rate.

[0030] In this embodiment, the liquid delivery unit 28 includes a first liquid delivery unit 281, a second liquid delivery unit 282 and a third liquid delivery unit 283. The first liquid delivery unit 281 is used to control the reaction liquid in the lower part of the hydrogenation reaction liquid storage tank 22 to enter the liquid inlet of the hydrogenation reaction device 21, and to perform hydrogenation reaction with the hydrogen entering through the gas inlet. The hydrogenation reaction liquid returns to the upper part of the hydrogenation reaction liquid storage tank 22 through the liquid outlet. The second liquid delivery unit 282 is used to control the one-way transportation of the liquid pipeline between the hydrogenation reaction liquid storage tank 22, the oxidation reaction device 23, the oxidation reaction liquid storage tank 24 and the extraction device 25. The third liquid delivery unit 283 is used to control the one-way transportation of the liquid pipeline between the circulation liquid storage tank 27 and the hydrogenation reaction liquid storage tank 22. The reaction liquid in the upper part of the hydrogenation reaction liquid storage tank 22 has undergone hydrogenation reaction, and the reaction liquid in the lower part of the hydrogenation reaction liquid storage tank 22 has not undergone hydrogenation reaction. It can be understood that the liquid outlet of the hydrogenation reaction liquid storage tank 22 entering the hydrogenation reaction device 21 and the liquid inlet of the circulation liquid storage tank 27 entering the hydrogenation reaction liquid storage tank 22 are located in the lower part of the hydrogenation reaction liquid storage tank 22. The liquid inlet of the hydrogenation reaction device 21 entering the hydrogenation reaction liquid storage tank 22 and the liquid outlet of the hydrogenation reaction liquid storage tank 22 entering the oxidation reaction device 23 are located in the lower part of the hydrogenation reaction liquid storage tank 22. The above-mentioned fluid passage steps can be realized by controlling the two-way feeding bottle cap and the insertion depth of the pipeline, or by other settings of the liquid inlet and liquid outlet of the tank.

[0031] The first liquid delivery unit 281, the second liquid delivery unit 282 and the third liquid delivery unit 283 are liquid electric control devices, such as peristaltic pumps. The gas pipeline includes a hydrogen gas inlet pipeline b1 and an oxygen gas inlet pipeline b2. The gas delivery unit 29 includes a hydrogen gas delivery unit 291 and an oxygen gas delivery unit 292. The hydrogen gas inlet pipeline b1 is connected with the hydrogenation reaction device 21 and is controlled by the hydrogen gas delivery unit 291. The oxygen gas inlet pipeline b2 is connected with the oxidation reaction device 23 and is controlled by the oxygen gas delivery unit 292. The hydrogen gas delivery unit 291 and the oxygen gas delivery unit 292 are gas electric control devices, such as conventional gas flow controllers.

[0032] The electrolytic reactor with a conventional structure can be used in the hydrogenation reaction device 21 and the oxidation reaction device 23. For example, it has a cathode end plate and an anode end plate for applying voltage. The electrolytic reactor is provided with a diffusion layer and a diaphragm. The voltage applied during the reaction accelerates the reaction process. The configuration is relatively small, occupies less space and has the characteristics of portability.

[0033] The hydrogen peroxide generator is used for preparing hydrogen peroxide by the known anthraquinone method, and its working process is as follows: first, the power switch 3 is turned on, the hydrogen peroxide generator is started, the extraction liquid is pumped into the extraction device from the left inlet and outlet port 12 of the box, the reaction gas is pumped into the box from the right inlet and outlet port 11 of the box and the excess gas is discharged, the flow rate of the reaction liquid and the gas velocity of the reaction gas are adjusted by the control panel 41, the flow rate of the reaction liquid is displayed by the control panel 41, and the gas velocity of the reaction gas is displayed by the gas velocity display 6; the reaction liquid in the hydrogenation reaction liquid storage tank 22 is pumped into the hydrogenation reaction device 21 by the first liquid conveying unit 281 at a set flow rate to perform hydrogenation reaction, and then flows back to the hydrogenation reaction liquid storage tank 22 from the outlet after flowing through the hydrogenation reaction device; after a period of reaction, the hydrogenation reaction liquid in the hydrogenation reaction liquid storage tank 22 is pumped into the oxidation reaction device 23 by the second liquid conveying unit 282 at a set flow rate to perform oxidation reaction, and then flows back to the oxidation reaction liquid storage tank 24 from the outlet after flowing through the oxidation reaction device; after a period of reaction, the oxidation reaction liquid in the oxidation reaction liquid storage tank 24 is pumped into the extraction device 25 by the second liquid conveying unit 282 at a set flow rate to perform extraction, the extraction device 25 is, for example, an extraction tower for multi-stage countercurrent extraction, the extraction liquid is pumped into the extraction liquid storage tank 26 from the upper end of the extraction tower, the raffinate is discharged into the circulation liquid storage tank 27 from the bottom of the extraction tower, and the reaction liquid in the circulation liquid storage tank 27 is pumped back to the hydrogenation reaction liquid storage tank 22 by the third liquid conveying unit 283 at a set flow rate to realize circulation of the reaction liquid. The reaction liquid in the extraction liquid storage tank 26 is the low-concentration hydrogen peroxide product, and the liquid level in the extraction liquid storage tank 26 can be observed by the liquid level display 7, and when the liquid level reaches a certain level, the power switch of the hydrogen peroxide generator is turned off to stop operation. The hydrogen peroxide product is extracted from the left end outlet unit 5 of the hydrogen peroxide generator by controlling the control panel 41.

[0034] In the above embodiment, the hydrogen peroxide generator is driven by electricity, but the hydrogen peroxide generator can also be driven by other power sources, such as steam, solar energy, etc.

[0035] The above embodiment is only used to further illustrate the hydrogen peroxide generator driven by electricity, but the hydrogen peroxide generator is not limited to the embodiment, and any simple modification, equivalent change and modification made according to the technical essence of the hydrogen peroxide generator fall within the protection scope of the technical scheme of the hydrogen peroxide generator.

Claims

1. An electrically driven hydrogen peroxide generator, characterized by: The hydrogen peroxide generation system comprises a hydrogenation reaction device, a hydrogenation reaction liquid storage tank, an oxidation reaction device, an oxidation reaction liquid storage tank and an extraction device, the hydrogenation reaction device and the hydrogenation reaction liquid storage tank are connected by a liquid pipeline in both directions, the hydrogenation reaction liquid storage tank, the oxidation reaction device, the oxidation reaction liquid storage tank and the extraction device are sequentially connected by a liquid pipeline in one direction, the extraction device is connected with an extraction liquid storage tank and a circulating liquid storage tank by a liquid pipeline, the circulating liquid storage tank is connected with the hydrogenation reaction liquid storage tank by a liquid pipeline, and each liquid pipeline is controlled by a liquid conveying unit.

2. The electrically driven hydrogen peroxide generator of claim 1, wherein: The hydrogenation reaction device and the oxidation reaction device are electrolytic reactors, and are connected with a gas pipeline and controlled by a gas conveying unit; the reaction box is provided with a controller, an inlet and outlet liquid port and an inlet and outlet gas port, and the controller is electrically connected with the hydrogenation reaction device, the oxidation reaction device, the liquid conveying unit, the gas conveying unit and the extraction device to implement control and monitoring.

3. The electrically driven hydrogen peroxide generator of claim 1, wherein: The gas pipeline comprises a hydrogen gas inlet pipeline and an oxygen gas inlet pipeline which enter through the inlet and outlet gas port, the gas conveying unit comprises a hydrogen gas conveying unit and an oxygen gas conveying unit, the hydrogen gas inlet pipeline is connected with the hydrogenation reaction device and controlled by the hydrogen gas conveying unit, and the oxygen gas inlet pipeline is connected with the oxidation reaction device and controlled by the oxygen gas conveying unit; the reaction box is further provided with a gas speed display, and the gas speed display is used to display the gas speed of hydrogen and oxygen.

4. The electrically driven hydrogen peroxide generator of claim 1, wherein: The extraction liquid storage tank is further connected with a liquid outlet unit, and the liquid outlet unit is led out through the inlet and outlet liquid port; the liquid outlet unit is electrically connected with the controller.

5. The electrically driven hydrogen peroxide generator of claim 1, wherein: The reaction box is provided with a liquid level display for displaying the liquid level of the extraction liquid storage tank.

6. The electrically driven hydrogen peroxide generator of claim 1, wherein: The controller has a control panel for human-computer interaction.

7. The electrically driven hydrogen peroxide generator of claim 1, wherein: The hydrogenation reaction device, the oxidation reaction device, the extraction device, the extraction liquid storage tank and the circulating liquid storage tank are fixed to the bottom end in the reaction box, the hydrogenation reaction liquid storage tank and the oxidation reaction liquid storage tank are fixed to the top end in the reaction box, and the liquid conveying unit is fixed to the middle part in the reaction box.

8. The electrically driven hydrogen peroxide generator of claim 1, wherein: The liquid conveying unit comprises a first liquid conveying unit, a second liquid conveying unit and a third liquid conveying unit, the first liquid conveying unit is used to control the reaction liquid to enter the hydrogenation reaction device from the hydrogenation reaction liquid storage tank and return to the hydrogenation reaction liquid storage tank after reaction, the second liquid conveying unit is used to control the one-way transportation of the liquid pipeline between the hydrogenation reaction liquid storage tank, the oxidation reaction device, the oxidation reaction liquid storage tank and the extraction device, and the third liquid conveying unit is used to control the one-way transportation of the liquid pipeline between the circulating liquid storage tank and the hydrogenation reaction liquid storage tank. The flow outlet of the hydrogenation reaction device and the flow inlet of the circulating liquid storage tank are located in the lower part of the hydrogenation reaction liquid storage tank; the flow inlet of the hydrogenation reaction device and the flow outlet of the hydrogenation reaction liquid storage tank are located in the lower part of the hydrogenation reaction liquid storage tank.

9. The electrically driven hydrogen peroxide generator of claim 1, wherein: The electrolytic reactor has a cathode end plate and an anode end plate for applying a voltage, and is provided with a diffusion layer and a diaphragm therein.

10. The electrically driven hydrogen peroxide generator of claim 1, wherein: The liquid delivery unit includes one or more of a peristaltic pump, a centrifugal pump, a magnetic drive pump, and the gas delivery unit includes one or more of a gas flow controller, a rotameter, and a mass flow meter.

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