CN217438309U - Hydrogen peroxide synthesizer and medical effluent disposal system - Google Patents

Hydrogen peroxide synthesizer and medical effluent disposal system Download PDF

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CN217438309U
CN217438309U CN202221164976.9U CN202221164976U CN217438309U CN 217438309 U CN217438309 U CN 217438309U CN 202221164976 U CN202221164976 U CN 202221164976U CN 217438309 U CN217438309 U CN 217438309U
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hydrogen peroxide
tank
storage battery
synthesis
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刘可心
詹永冰
周婕
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Nanjing University of Information Science and Technology
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Nanjing University of Information Science and Technology
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/30Wastewater or sewage treatment systems using renewable energies
    • Y02W10/37Wastewater or sewage treatment systems using renewable energies using solar energy

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Abstract

The utility model discloses a hydrogen peroxide synthesizer and a medical wastewater treatment system, wherein the hydrogen peroxide synthesizer comprises a solar cell panel, a rectifier, a storage battery, an anode unit, a synthesis unit, a cathode unit and a storage unit; the output end of the solar panel is connected with the input end of the rectifier, the output end of the rectifier is connected with the input end of the storage battery pack, the positive electrode of the storage battery pack is connected with the anode unit, and the negative electrode of the storage battery pack is connected with the cathode unit; the synthesis unit is provided with an outlet, and the outlet pipeline is connected with the storage unit; a solid electrolyte is arranged in the synthesis unit, one end of the solid electrolyte is connected with the anode unit, and the other end of the solid electrolyte is connected with the cathode unit; wherein the disinfection tank of the medical wastewater treatment system is connected with the hydrogen peroxide synthesis device. The utility model discloses can green synthetic hydrogen peroxide to safe medical waste water of handling effectively.

Description

Hydrogen peroxide synthesizer and medical effluent disposal system
Technical Field
The utility model relates to a hydrogen peroxide synthesizer and medical effluent disposal system belongs to environmental science technical field.
Background
The medical wastewater is mainly formed by infusing overdue medicines and residual antibiotics on medical instruments into a water body. The main method for degrading antibiotics in medical wastewater is Fenton oxidation (Fenton).
The Fenton oxidation method is the most common wastewater treatment technology and has the characteristics of high reaction speed, mild reaction conditions, complete reaction and the like. The Fenton oxidation method is generally to add a ferrous salt (Fe) to the wastewater 2+ ) Then hydrogen peroxide (H) is added 2 O 2 ),Fe 2+ As a catalyst, H 2 O 2 Reduction to OH and H 2 O, since the oxidation potential of OH is second to that of fluorine, OH can oxidize and decompose organic pollutants in wastewater, the oxidation potential can be as high as 2.8V in the oxidation reaction process, and after the Fenton reaction is finished, an alkali reagent is continuously added into the wastewater to precipitate metal ions.
Based on this, this application provides a hydrogen peroxide synthesizer and a medical effluent disposal system.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome not enough among the prior art, provide a hydrogen peroxide synthesizer and a medical effluent disposal system, can green synthetic hydrogen peroxide to handle medical waste water safely effectively.
In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:
on one hand, the utility model provides a hydrogen peroxide synthesizer, including solar cell panel, rectifier, storage battery, positive pole unit, synthesis unit, negative pole unit and storage unit;
the output end of the solar cell panel is connected with the input end of the rectifier, the output end of the rectifier is connected with the input end of the storage battery pack, the positive electrode of the storage battery pack is connected with the anode unit, and the negative electrode of the storage battery pack is connected with the cathode unit;
the synthesis unit is provided with an outlet, and the outlet pipeline is connected with the storage unit;
a solid electrolyte is arranged in the synthesis unit, one end of the solid electrolyte is connected with the anode unit, and the other end of the solid electrolyte is connected with the cathode unit;
further, the anode unit comprises a first diffusion layer, a first colloid layer and a cation exchange membrane which are sequentially arranged;
the first colloid layer is connected with the positive electrode of the storage battery pack;
the cation exchange membrane is connected with the synthesis unit.
Further, the cathode unit comprises a second diffusion layer, a second colloidal layer and an anion exchange membrane which are sequentially arranged;
the second colloid layer is connected with the positive electrode of the storage battery pack;
the anion exchange membrane is connected with the synthesis unit.
On the other hand, the utility model provides a medical wastewater treatment system, which comprises the hydrogen peroxide synthesis device, and a regulating tank, a hydrolysis acidification tank, an oxidation tank, a sedimentation area and a disinfection tank which are connected in sequence;
the input end of the disinfection pool is connected with the output end of the storage unit of the hydrogen peroxide synthesis device.
Further, the medical wastewater treatment system comprises an oxygen supply fan;
and the air outlet of the oxygen supply fan is respectively connected with the regulating tank and the oxidation tank.
Further, the medical wastewater treatment system comprises a sludge collecting area;
and the input end of the sludge collection area is respectively connected with the adjusting tank, the settling area and the hydrolysis acidification tank.
Furthermore, a biological membrane is hung in the oxidation pond.
Furthermore, a PH value adjusting device and a buffer adding device are arranged in the adjusting tank.
Further, the settling zone comprises a plurality of inclined plates or inclined tubes arranged in parallel.
Compared with the prior art, the utility model discloses the beneficial effect who reaches:
the utility model discloses utilize the synthetic hydrogen peroxide of solid electrolyte, avoid using organic solution, not only reduced purification and purification cost, still shortened the step of synthetic hydrogen peroxide, improved efficiency. The utility model utilizes solar energy to generate electricity and synthesize hydrogen peroxide, thereby saving energy and realizing clean production;
the utility model discloses utilize hydrogen peroxide synthesizer to obtain hydrogen peroxide aqueous solution, produce the usefulness at present, reduced the danger in the hydrogen peroxide transportation, can handle medical waste water safely effectively.
Drawings
FIG. 1 is a schematic view showing the structure of one embodiment of the medical wastewater treatment system of the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of the hydrogen peroxide synthesizing apparatus according to the present invention;
FIG. 3 is a schematic structural diagram of an embodiment of the hydrogen peroxide synthesizing apparatus according to the present invention;
in the figure: 1. solar cell panel, 2, rectifier, 3 storage battery, 4, synthetic module, 5, storage unit, 6, equalizing basin, 7, hydrolysis acidification tank, 8, oxidation pond, 9, settling zone, 10, disinfection pond, 11, mud collecting zone, 12, oxygen supply fan, 41, anode unit, 42, cathode unit, 43, synthetic unit, 411, first water inlet, 412, outlet, 413, first oxygen outlet, 414, first diffusion layer, 415, first colloid layer, 416, cation exchange membrane, 421, second water inlet, 422, oxygen inlet, 423, second oxygen outlet, 424, second diffusion layer, 425, second colloid layer, 426, anion exchange membrane, 431, outlet, 432, solid electrolyte.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. 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," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 invention can be understood by those of ordinary skill in the art through specific situations.
Example 1
Hydrogen peroxide is a raw material or product suitable for various industrial applications, and an aqueous solution thereof has strong oxidizing property suitable for medical, food and environmental sterilization.
Referring to fig. 2, the hydrogen peroxide synthesizing apparatus includes a solar cell panel 1, a rectifier 2, a battery pack 3, a synthesizing module 4, and a storage unit 5.
Referring to fig. 3, the synthesis module 4 includes an anode unit 41, a synthesis unit 43, and a cathode unit 42, which are sequentially disposed.
In practical application of this embodiment, the output end of the solar cell panel is connected to the input end of the rectifier, the output end of the rectifier is connected to the input end of the storage battery, the positive electrode of the storage battery is connected to the anode unit 41, and the negative electrode of the storage battery is connected to the cathode unit 42.
Referring to fig. 2, the anode unit 41 is provided with a first water inlet 411, a first oxygen outlet 413, and a water outlet 412.
In application, the first water inlet 411 is externally connected with a water supply device to obtain deionized water, so that the yield is improved; the first oxygen outlet 413 is externally connected with a waste gas collecting device; the drain outlet 412 is externally connected to a waste liquid collecting device.
Hydrolysis of the anode unit: 2H 2 O–4e - →4H + +O 2 (acidic);
referring to fig. 2, the cathode unit 42 is provided with an oxygen inlet 422, a second oxygen outlet 423, and a second water inlet 421.
In application, the oxygen inlet 422 is externally connected with an oxygen supply device; the second oxygen outlet 423 is externally connected with a waste gas collecting device; the second water inlet 421 is externally connected with a water supply device.
Hydrolysis of the cathode unit occurs: o is 2 +H 2 O+2e - →HO 2 - +OH -
Referring to fig. 3, a solid electrolyte 432 is provided in the synthesis unit 43, one end of the solid electrolyte 432 is connected to the anode unit 41, and the other end of the solid electrolyte 432 is connected to the cathode unit 42.
In use, the solid electrolyte 432 includes a plurality of layers of solid electrolyte 432, each layer of solid electrolyte 432 being a porous sulfonated styrene-divinylbenzene copolymer.
The synthesis unit carries out hydrogen peroxide synthesis reaction: HO 2 - +H + →H 2 O 2
When the embodiment is practically used, the hydrogen peroxide production rate is as high as 3.4 mmol/cm 2 The concentration of the aqueous hydrogen peroxide solution is up to 20%.
Referring to fig. 2, an outlet 431 is formed on the synthesis unit 43, the outlet 431 is connected to the storage unit 5 through a pipeline, and the storage unit 5 is used for storing hydrogen peroxide.
The utility model discloses utilize the synthetic hydrogen peroxide of solid electrolyte, avoid using organic solution, not only reduced purification and purification cost, still shortened the step of synthetic hydrogen peroxide, improved efficiency. The utility model discloses utilize the synthetic hydrogen peroxide of solar energy power generation, can the energy saving, realize cleaner production.
Example 2
On the basis of embodiment 1, this embodiment describes the anode unit and the cathode unit in detail.
Referring to fig. 3, the anode unit 41 includes a first diffusion layer 414, a first colloidal layer 415, and a cation exchange membrane 416, which are sequentially disposed.
In application, the first colloidal layer 415 is connected with the positive electrode of the storage battery; the cation exchange membrane 416 is connected to the solid electrolyte 432 of the synthesis unit 43.
Referring to fig. 3, the cathode unit 42 includes a second diffusion layer 424, a second colloidal layer 425, and an anion exchange membrane 426, which are sequentially disposed;
in application, second colloidal layer 425 is connected to the positive electrode of the battery pack; the anion exchange membrane 426 connects the solid electrolyte 432 of the synthesis unit 43.
The cation exchange membrane of the utility model can screen and filter H + Anion exchange membranes are capable of screening HO 2 - The solid electrolyte directly utilizes H filtered by a cation exchange membrane and an anion exchange membrane + And HO 2 - Synthesis of H 2 O 2 And the purification cost is reduced by avoiding using an organic solution as a solvent.
Example 3
Since medical wastewater contains a large amount of germs, viruses, other toxic and harmful substances, antibiotics and the like, the embodiment provides a medical wastewater treatment system.
Referring to fig. 1, a medical wastewater treatment system includes the hydrogen peroxide synthesizing apparatus described in embodiment 1 or 2, and a regulating tank 6, a hydrolysis-acidification tank 7, an oxidation tank 8, a settling zone 9, and a disinfection tank 10, which are connected in series.
In application, hospital comprehensive sewage is pretreated by a septic tank to obtain medical wastewater, and the medical wastewater is subjected to sand settling by a grid well, namely large-particle suspended matters and fiber impurities are removed, and then the medical wastewater enters an adjusting tank (6).
Referring to fig. 1, the output end of the adjusting tank (6) is connected with the input end of the hydrolysis acidification tank (7), the hydrolysis acidification tank (7) is connected with the oxidation tank (8), the output end of the oxidation tank (8) is connected with the input end of the sedimentation zone (9), and the input end of the sedimentation zone (9) is connected with the input end of the disinfection tank.
In the application, be equipped with in equalizing basin (6) and promote water pump and coagulating sedimentation unit, medical waste water gets into coagulating sedimentation unit after promoting and carries out coagulating sedimentation to export through coagulating sedimentation unit and get into hydrolysis-acidification pool (7), be provided with the inner loop device between hydrolysis-acidification pool (7) and oxidation pond (8), the medical waste water that gets into oxidation pond (8) promptly gets into hydrolysis-acidification pool (7) through the inner loop device, with the acidizing oxidation degree that improves medical waste water.
Referring to fig. 1, the input end of the disinfection tank is connected with the output end of the storage unit of the hydrogen peroxide synthesis device.
Referring to fig. 2, a dosing pump is disposed between the output of the storage unit and the input of the sterilization tank for regulating the concentration of hydrogen peroxide in the sterilization tank.
The utility model discloses a hydrogen peroxide synthesizer obtains concentration and is 20% hydrogen peroxide aqueous solution, and the existing product usefulness has reduced the danger in the hydrogen peroxide transportation, can the effective processing medical waste water.
Example 4
On the basis of the embodiment 3, the embodiment describes the adjusting tank 6, the hydrolysis acidification tank 7, the oxidation tank 8, the sedimentation zone 9, the disinfection tank 10, the oxygen supply fan 12 and the sludge collection zone 11 of the medical wastewater treatment system in detail.
The medical wastewater treatment system of the embodiment further comprises an oxygen supply fan 12 and a sludge collection area 11. Wherein, the input end of the sludge collection area 11 is respectively connected with the adjusting tank 6, the sedimentation area 9 and the hydrolysis acidification tank 7, and the output end of the sludge collection area 11 is connected with the sludge outward transportation device so as to keep the cleanliness of the system and the treatment capacity of the medical wastewater. In addition, the air outlet of the oxygen supply fan 12 is respectively connected with the adjusting tank 6 and the oxidation tank 8.
(1) Adjusting tank
The adjusting tank 6 is of a reinforced concrete structure, and is internally provided with a PH value adjusting device and a buffer adding device for adjusting the acidic environment and the stability of the medical wastewater.
(2) Hydrolysis acidification pool
The hydrolysis acidification tank 7 is a carbon steel anti-corrosion structure. The main purpose is to change the non-soluble organic matter in the original waste water into soluble organic matter, change the organic matter that is difficult to biodegrade into the organic matter that is easy to biodegrade, improve the biodegradability of waste water to subsequent oxidation treatment.
(3) Oxidation pool
A biological membrane is hung in the oxidation pond 8, and a strain is attached to the biological membrane.
The biomembrane has large specific surface area, good oxygenation condition in the tank and good air fluidity, so that the medical wastewater and the biomembrane generate larger relative speed, the medium on the surface of bacteria is accelerated to be updated, the mass transfer effect is enhanced, the biological metabolism speed is accelerated, and the treatment time is shortened.
(4) Settling zone
The settling zone 9 comprises a plurality of sloping plates or pipes arranged in parallel for separating the medical wastewater flow entering the settling zone 9 into thin layers to improve the settling 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 variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.

Claims (9)

1. A hydrogen peroxide synthesis device is characterized by comprising a solar cell panel (1), a rectifier (2), a storage battery (3), an anode unit (41), a synthesis unit (43), a cathode unit (42) and a storage unit (5);
the output end of the solar cell panel is connected with the input end of the rectifier, the output end of the rectifier is connected with the input end of the storage battery pack, the positive electrode of the storage battery pack is connected with the anode unit (41), and the negative electrode of the storage battery pack is connected with the cathode unit (42);
an outlet (431) is formed in the synthesis unit (43), and the outlet (431) is connected with the storage unit (5) through a pipeline;
a solid electrolyte (432) is arranged in the synthesis unit (43), one end of the solid electrolyte (432) is connected with the anode unit (41), and the other end of the solid electrolyte (432) is connected with the cathode unit (42);
the anode unit (41) is provided with a first water inlet (411), a first oxygen outlet (413) and a water outlet (412);
the cathode unit (42) is provided with an oxygen inlet (422), a second oxygen outlet (423) and a second water inlet (421).
2. The hydrogen peroxide synthesis apparatus according to claim 1, wherein the anode unit (41) comprises a first diffusion layer (414), a first colloidal layer (415), and a cation exchange membrane (416) provided in this order;
the first colloid layer (415) is connected with the positive electrode of the storage battery;
the cation exchange membrane (416) is connected with the synthesis unit (43).
3. The hydrogen peroxide synthesis apparatus according to claim 1, wherein the cathode unit (42) comprises a second diffusion layer (424), a second colloidal layer (425), and an anion exchange membrane (426) which are arranged in sequence;
the second colloidal layer (425) is connected with the positive electrode of the storage battery pack;
the anion exchange membrane (426) is connected with a synthesis unit (43).
4. A medical wastewater treatment system, characterized by comprising the hydrogen peroxide synthesis device as defined in any one of claims 1 to 3, and a regulating tank (6), a hydrolysis acidification tank (7), an oxidation tank (8), a settling zone (9) and a disinfection tank (10) which are connected in sequence;
the input end of the disinfection pool is connected with the output end of the storage unit of the hydrogen peroxide synthesis device.
5. The medical wastewater treatment system according to claim 4, comprising an oxygen supply fan (12);
and the air outlet of the oxygen supply fan (12) is respectively connected with the adjusting tank (6) and the oxidation tank (8).
6. The medical wastewater treatment system according to claim 4, characterized by comprising a sludge collection zone (11);
the input end of the sludge collection area (11) is respectively connected with the adjusting tank (6), the sedimentation area (9) and the hydrolysis acidification tank (7).
7. The medical wastewater treatment system according to claim 4, wherein a biological membrane is hung in the oxidation pond (8).
8. The medical wastewater treatment system according to claim 4, wherein a pH value adjusting device and a buffer adding device are arranged in the regulating reservoir (6).
9. The medical wastewater treatment system according to claim 4, wherein the settling zone (9) comprises a plurality of inclined plates or tubes arranged in parallel.
CN202221164976.9U 2022-05-16 2022-05-16 Hydrogen peroxide synthesizer and medical effluent disposal system Active CN217438309U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117247126A (en) * 2023-10-23 2023-12-19 东北石油大学 Stacked structure in electro-Fenton system without liquid electrolyte and application

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117247126A (en) * 2023-10-23 2023-12-19 东北石油大学 Stacked structure in electro-Fenton system without liquid electrolyte and application
CN117247126B (en) * 2023-10-23 2024-05-31 东北石油大学 Stacked structure in electro-Fenton system without liquid electrolyte and application

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