CN220999858U - Equipment for preparing hydrogen peroxide by electrode - Google Patents
Equipment for preparing hydrogen peroxide by electrode Download PDFInfo
- Publication number
- CN220999858U CN220999858U CN202323052531.9U CN202323052531U CN220999858U CN 220999858 U CN220999858 U CN 220999858U CN 202323052531 U CN202323052531 U CN 202323052531U CN 220999858 U CN220999858 U CN 220999858U
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- CN
- China
- Prior art keywords
- hydrogen peroxide
- electrode
- reaction box
- fixedly connected
- oxygen
- Prior art date
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- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 title claims abstract description 97
- 238000006243 chemical reaction Methods 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000003792 electrolyte Substances 0.000 claims abstract description 14
- 238000007233 catalytic pyrolysis Methods 0.000 claims abstract description 6
- 239000004094 surface-active agent Substances 0.000 claims description 6
- 238000005470 impregnation Methods 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 abstract description 19
- 229910052760 oxygen Inorganic materials 0.000 abstract description 19
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 12
- 239000007789 gas Substances 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000002243 precursor Substances 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000009792 diffusion process Methods 0.000 description 5
- 238000005868 electrolysis reaction Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- ZJRXSAYFZMGQFP-UHFFFAOYSA-N barium peroxide Chemical compound [Ba+2].[O-][O-] ZJRXSAYFZMGQFP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000004076 pulp bleaching Methods 0.000 description 1
- 238000005067 remediation Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Landscapes
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The utility model discloses an apparatus for preparing hydrogen peroxide by an electrode, which comprises: the top fixedly connected with intake pipe and outlet duct of reaction box. Through setting up reaction tank, the inlet tube, the water intaking valve, a power, pressurizing mechanism, the outlet pipe, the outlet valve, the negative pole piece, the anode plate, temperature sensor and pH value sensor, carry out the voltage to the negative pole piece, increase the solubility of oxygen in the air in the electrolyte, and then improve the diffusivity of dissolved gas molecule, increase the hydrogen peroxide precursor simultaneously and to electrode diffusivity, strengthen the quantity of hydrogen peroxide formation, anode plate and negative pole piece surface all are through catalytic pyrolysis and flooding load treatment, regulate and control electrode surface structure, strengthen its hydrophobicity, improve electrocatalytic oxygen and produce hydrogen peroxide efficiency, solve the problem that oxygen cathode reduction method hydrogen peroxide productivity is low, low concentration, also provide important theoretical basis for air production hydrogen peroxide technology.
Description
Technical Field
The utility model relates to the technical field of hydrogen peroxide preparation, in particular to equipment for preparing hydrogen peroxide by an electrode.
Background
In recent years, along with the acceleration of the industrial process of China, hydrogen peroxide is used as an environment-friendly oxidant and a chemical bleaching reagent, and is widely applied to various fields such as pulp bleaching, chemical synthesis, disinfectants, sewage treatment, textile printing and dyeing and the like due to the excellent characteristics of strong oxidizing property, high efficiency, greenness and no secondary pollution in use.
Hydrogen peroxide was synthesized in 1818 by reacting barium peroxide with nitric acid. This is one of the 100 most important chemicals worldwide due to the tremendous market demand. Hydrogen peroxide is a potential energy carrier and environmental oxidizer for various chemical industries and environmental remediation, so how to efficiently and inexpensively produce hydrogen peroxide has become a research hotspot for a vast number of researchers. The main processes developed for producing hydrogen peroxide are: electrolytic persulfate method, isopropanol oxidation method, anthraquinone method, direct hydrogen-oxygen synthesis method, fuel cell method, and oxygen cathode reduction method. Among them, the oxygen cathode reduction method is considered to be one of the hydrogen peroxide preparation technologies with very promising development because of its advantages such as high efficiency, safe operation, higher current density, etc., and the synthesized hydrogen peroxide solution has no impurities and high purity.
Currently, oxygen cathodic reduction methods mostly adopt a mode of introducing air or pure oxygen into a solution of an electrolytic cell or converting oxygen into hydrogen peroxide through a Gas Diffusion Electrode (GDE) in acidic and neutral environments, and electrochemical synthesis of hydrogen peroxide under acidic conditions is limited by electrochemical reaction kinetics of the oxygen electrode, so that it is difficult to obtain hydrogen peroxide with higher current efficiency and higher concentration. The oxygen cathode reduction method has a low yield of hydrogen peroxide, and the concentration of the produced hydrogen peroxide solution is too low to be practical.
Disclosure of utility model
The utility model provides equipment for preparing hydrogen peroxide by an electrode, which is used for applying voltage to a cathode sheet, increasing the solubility of oxygen in air in electrolyte, further improving the diffusion capability of dissolved gas molecules, simultaneously increasing the diffusion capability of a hydrogen peroxide precursor to the electrode, strengthening the generation quantity of hydrogen peroxide, regulating and controlling the surface structures of the electrode by catalytic pyrolysis and impregnation load treatment on the surfaces of the anode sheet and the cathode sheet, strengthening the hydrophobicity of the anode sheet and the cathode sheet, improving the efficiency of generating hydrogen peroxide by electrocatalytic oxygen, solving the problems of low hydrogen peroxide yield and low concentration by an oxygen cathode reduction method, and providing an important theoretical basis for the technology of producing hydrogen peroxide by air.
To achieve the above object, there is provided an apparatus for preparing hydrogen peroxide by an electrode, comprising: the reaction box, the top fixedly connected with intake pipe and the outlet duct of reaction box, the left side of outlet duct is provided with the inlet tube, inlet tube and reaction box fixed connection, fixedly connected with water intaking valve on the periphery of inlet tube, be provided with the power between intake pipe and the outlet duct, the bottom and the reaction box fixed connection of power, the place ahead of intake pipe is provided with pressurizing mechanism, pressurizing mechanism's bottom and reaction box fixed connection, fixedly connected with outlet pipe on the rear side wall of reaction box, fixedly connected with outlet valve on the periphery of outlet pipe, the inside top surface fixedly connected with anode plate and the cathode plate of reaction box, be provided with temperature sensor and pH value sensor between anode plate and the cathode plate, temperature sensor and pH value sensor's bottom all with the inside bottom surface fixed connection of reaction box.
According to the equipment for preparing hydrogen peroxide by the electrode, the power supply is electrically connected with the pressurizing mechanism, the anode plate and the cathode plate.
According to the apparatus for preparing hydrogen peroxide by using the electrode, the reaction tank is filled with the electrolyte and the surfactant.
According to the equipment for preparing hydrogen peroxide by the electrode, the surfaces of the anode sheet and the cathode sheet are subjected to catalytic pyrolysis and impregnation load treatment.
The utility model has the beneficial effects that: through setting up reaction tank, the inlet tube, the water intaking valve, a power, pressurizing mechanism, the outlet pipe, the outlet valve, the negative pole piece, the anode plate, temperature sensor and pH value sensor, carry out the voltage to the negative pole piece, increase the solubility of oxygen in the air in the electrolyte, and then improve the diffusivity of dissolved gas molecule, increase the hydrogen peroxide precursor simultaneously and to electrode diffusivity, strengthen the quantity of hydrogen peroxide formation, anode plate and negative pole piece surface all are through catalytic pyrolysis and flooding load treatment, regulate and control electrode surface structure, strengthen its hydrophobicity, improve electrocatalytic oxygen and produce hydrogen peroxide efficiency, solve the problem that oxygen cathode reduction method hydrogen peroxide productivity is low, low concentration, also provide important theoretical basis for air production hydrogen peroxide technology.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a front view of an apparatus for preparing hydrogen peroxide by an electrode according to the present utility model;
FIG. 2 is a rear view of an apparatus for preparing hydrogen peroxide from an electrode according to the present utility model;
fig. 3 is a cross-sectional view of an apparatus for preparing hydrogen peroxide using an electrode according to the present utility model.
Legend description:
1. A reaction box; 2. an air inlet pipe; 3. an air outlet pipe; 4. a water inlet pipe; 5. a water inlet valve; 6. a power supply; 7. a pressurizing mechanism; 8. a water outlet pipe; 9. a water outlet valve; 10. a cathode sheet; 11. anode plates; 12. a temperature sensor; 13. a pH sensor.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1 to 3, an apparatus for preparing hydrogen peroxide by an electrode according to an embodiment of the present utility model includes: the reaction box 1 is filled with electrolyte and surfactant, the electrolyte is used for generating hydrogen peroxide by electrolysis, the surfactant is used for regulating and controlling the interface structure of water and electrodes, the interface hydrophobic property of the electrodes and the water is improved, the top of the reaction box 1 is fixedly connected with an air inlet pipe 2 and an air outlet pipe 3, the air inlet pipe 2 and the air outlet pipe 3 extend into the electrolyte and are used for introducing oxygen into the electrolyte, the left side of the air outlet pipe 3 is provided with a water inlet pipe 4 for adding the electrolyte and the surfactant, the water inlet pipe 4 is fixedly connected with the reaction box 1, the circumferential surface of the water inlet pipe 4 is fixedly connected with a water inlet valve 5, a power supply 6 is arranged between the air inlet pipe 2 and the air outlet pipe 3 and is used for supplying power during electrolysis, the bottom of the power supply 6 is fixedly connected with the reaction box 1, the front of the air inlet pipe 2 is provided with a pressurizing mechanism 7 for pressurizing a cathode plate 10 in a pressurizing electrolysis mode, the solubility of oxygen in the air in the electrolyte is increased, the diffusion capacity of dissolved gas molecules is further improved, the diffusion capacity of a hydrogen peroxide precursor to an electrode is increased, the generation quantity of hydrogen peroxide is enhanced, the bottom of the pressurizing mechanism 7 is fixedly connected with the reaction tank 1, the rear side wall of the reaction tank 1 is fixedly connected with the water outlet pipe 8, the circumferential surface of the water outlet pipe 8 is fixedly connected with the water outlet valve 9, the inner top surface of the reaction tank 1 is fixedly connected with the anode plate 11 and the cathode plate 10, the surfaces of the anode plate 11 and the cathode plate 10 are subjected to catalytic pyrolysis and impregnation load treatment, the surface structure of the electrode is regulated and controlled, the hydrophobicity of the electrode is enhanced, the power supply 6 is electrically connected with the pressurizing mechanism 7, the anode plate 11 and the cathode plate 10, a temperature sensor 12 and a pH value sensor 13 are arranged between the anode plate 10 and the cathode plate 11 and are used for monitoring the temperature and the pH value in the electrolyte, the bottom of the temperature sensor 12 and the bottom of the pH value sensor 13 are fixedly connected with the inner bottom surface of the reaction box 1.
Working principle: electrolyte and surfactant are added from a water inlet pipe 4, a power supply 6 and a pressurizing mechanism 7 are started to pressurize a cathode plate 10, air is introduced from an air inlet pipe 2, the cathode plate 10 reacts with oxygen in the air in the electrolyte under the condition of pressurization in a reaction box 1 to generate hydrogen peroxide, after a period of time, the pH value of the solution in the reaction box 1 changes until a proper value is reached, and then a qualified hydrogen peroxide solution is obtained.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (4)
1. An apparatus for preparing hydrogen peroxide from an electrode, comprising: the reaction box (1), the top fixedly connected with intake pipe (2) and outlet duct (3) of reaction box (1), the left side of outlet duct (3) is provided with inlet tube (4), fixedly connected with water intaking valve (5) on the periphery of inlet tube (4) with reaction box (1), be provided with power (6) between intake pipe (2) and outlet duct (3), the bottom and the reaction box (1) fixed connection of power (6), the place ahead of intake pipe (2) is provided with pressurizing mechanism (7), the bottom and the reaction box (1) fixed connection of pressurizing mechanism (7), fixedly connected with outlet pipe (8) on the rear side wall of reaction box (1), fixedly connected with outlet valve (9) on the periphery of outlet pipe (8), the inside top surface fixedly connected with anode plate (11) and cathode plate (10) of reaction box (1), be provided with temperature sensor (12) and pH value sensor (13) between anode plate (11) and cathode plate (10), the bottom surface of temperature sensor (13) and inside pH sensor (13) are equal.
2. The apparatus for preparing hydrogen peroxide by using the electrode according to claim 1, wherein the power supply (6) is electrically connected with the pressurizing mechanism (7), the anode plate (11) and the cathode plate (10).
3. An apparatus for preparing hydrogen peroxide from an electrode according to claim 1, characterized in that the reaction tank (1) is filled with an electrolyte and a surfactant.
4. An apparatus for preparing hydrogen peroxide from an electrode according to claim 1, characterized in that the surfaces of the anode sheet (11) and the cathode sheet (10) are subjected to catalytic pyrolysis and impregnation loading treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323052531.9U CN220999858U (en) | 2023-11-13 | 2023-11-13 | Equipment for preparing hydrogen peroxide by electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323052531.9U CN220999858U (en) | 2023-11-13 | 2023-11-13 | Equipment for preparing hydrogen peroxide by electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220999858U true CN220999858U (en) | 2024-05-24 |
Family
ID=91086035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323052531.9U Active CN220999858U (en) | 2023-11-13 | 2023-11-13 | Equipment for preparing hydrogen peroxide by electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220999858U (en) |
-
2023
- 2023-11-13 CN CN202323052531.9U patent/CN220999858U/en active Active
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