CN220812034U - Critical multiphase catalytic oxidation equipment - Google Patents
Critical multiphase catalytic oxidation equipment Download PDFInfo
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- CN220812034U CN220812034U CN202322477240.8U CN202322477240U CN220812034U CN 220812034 U CN220812034 U CN 220812034U CN 202322477240 U CN202322477240 U CN 202322477240U CN 220812034 U CN220812034 U CN 220812034U
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- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 39
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 27
- 230000003647 oxidation Effects 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 95
- 238000006243 chemical reaction Methods 0.000 claims abstract description 82
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 14
- 238000005273 aeration Methods 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 238000012856 packing Methods 0.000 claims abstract description 8
- 239000010802 sludge Substances 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims 1
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 11
- 238000004065 wastewater treatment Methods 0.000 abstract description 10
- 239000002920 hazardous waste Substances 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 description 24
- 239000002351 wastewater Substances 0.000 description 17
- 239000007789 gas Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 11
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical group OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 10
- 239000007788 liquid Substances 0.000 description 10
- 230000001105 regulatory effect Effects 0.000 description 10
- 235000003891 ferrous sulphate Nutrition 0.000 description 7
- 239000011790 ferrous sulphate Substances 0.000 description 7
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 7
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 238000013461 design Methods 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000012445 acidic reagent Substances 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000007210 heterogeneous catalysis Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 229910001448 ferrous ion Inorganic materials 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011949 solid catalyst Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000006276 transfer reaction Methods 0.000 description 1
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- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The application discloses critical multiphase catalytic oxidation equipment, and relates to the technical field of wastewater treatment equipment. The device comprises a reaction tank, wherein a water distribution area, a catalytic reaction area and a water outlet area are sequentially arranged at the bottom of the reaction tank from bottom to top, the catalytic reaction area comprises a supporting layer and a packing layer, an aeration unit is arranged at the bottom of the reaction tank, and a detection unit is arranged at the top of the reaction tank. The wastewater treatment speed is increased, the reaction efficiency is improved, the reagent utilization rate is improved, the reagent amount is reduced, the generation amount of hazardous wastes in the reaction process is reduced, and the equipment treatment cost is reduced.
Description
Technical Field
The application relates to critical multiphase catalytic oxidation equipment, and belongs to the field of wastewater treatment equipment.
Background
At present, in the advanced oxidation technology for treating high-concentration multicomponent organic wastewater and waste liquid, the Fenton oxidation technology is uniformly accepted in the industry, and the Fenton oxidation technology has the core that hydroxyl free radicals generated by the decomposition of hydrogen peroxide are taken as an oxidant, ferrous ions are taken as a catalyst for promoting the decomposition of hydrogen peroxide, and after the reaction is finished, the iron ions form precipitation through alkali adjustment, and the Fenton reaction can be divided into homogeneous Fenton reaction and heterogeneous Fenton reaction. The homogeneous Fenton reaction is a direct addition of liquid Fe 2+ ions and H 2O2 for contact reaction; heterogeneous Fenton reaction is a contact reaction of a solid catalyst and H 2O2. The homogeneous reaction, i.e. the traditional Fenton method, is characterized in that H 2O2 contacts Fe 2+ to react rapidly, the generation amount of OH is limited, and the contact time of the H 2O2 and refractory substances OH cannot be well mastered, so that excessive reaction reagent is often required to be added in engineering application to maintain the degradation effect of refractory industrial wastewater, so that a large amount of reagent is wasted, and the generated iron mud dangerous waste amount is larger, so that the overall application cost is higher.
Disclosure of utility model
In order to solve the problems, the application provides critical heterogeneous catalytic oxidation equipment, which accelerates the wastewater treatment speed, improves the reaction efficiency, improves the reagent utilization rate, reduces the reagent amount, reduces the generation amount of hazardous wastes in the reaction process and reduces the equipment treatment cost.
The utility model provides the following scheme:
The utility model provides a critical heterogeneous catalytic oxidation equipment, includes the reaction tank, the reaction tank bottom is from upwards setting gradually water distribution district, catalytic reaction district and play water district down, catalytic reaction district includes supporting layer and packing layer, the reaction tank bottom is provided with aeration unit, the reaction tank top is provided with detecting element.
Preferably, one side of the supporting layer close to the water distribution area is provided with a plurality of long-handle filter heads.
Preferably, the long handle filter head part is positioned in the bearing layer.
Preferably, the water outlet area comprises a first water outlet and a second water outlet.
Preferably, a water inlet treatment unit is arranged on one side of the reaction tank, the water inlet unit is communicated with the water distribution area through a water inlet, and the first water outlet is communicated with the water inlet treatment unit through a first water outlet pipeline.
Preferably, the second water outlet is higher than the first water outlet.
Preferably, the water distribution area, the catalytic reaction area and the water outlet area are all provided with manholes.
Preferably, a fan is arranged outside the reaction tank, the fan is communicated with the aeration unit through an air inlet pipe, and particularly, an air regulating valve is arranged on the air inlet pipe.
Preferably, a sludge emptying port is arranged at one side of the bottom of the reaction tank, which is far away from the water inlet.
Preferably, the detection unit is a pH meter, and the pH meter is electrically connected with the control system.
Optionally, the water inlet treatment unit comprises a water inlet main pipe, and the water inlet main pipe is sequentially connected with a first control valve, a first flowmeter, a first pipeline mixing part and a second pipeline mixing part in series and is communicated with the bottom of the reaction tank.
Optionally, the first pipeline mixing part includes first mixing pipeline, adjusting part and first regulation pipe communicate with first mixing pipeline respectively, and specifically, the inside ferrous sulfate that is of first regulation pipe.
Optionally, the adjusting part includes adjusting liquid feed pipe, adjust liquid feed Guan Chuanjie second flowmeter and second control valve, and with first hybrid tube intercommunication, second control valve and control system electric connection, adjust liquid feed pipe inside and be acid reagent.
Optionally, the second pipeline mixing part comprises a second mixing pipeline and a second adjusting pipe, one end of the second adjusting pipe is communicated with the second mixing pipeline, and the reagent in the second pipeline is hydrogen peroxide.
Optionally, the first water outlet pipeline is arranged between the second mixing pipeline and the reaction tank, and a third flowmeter and a third control valve are arranged on the first water outlet pipeline.
The beneficial effects of the application include, but are not limited to:
1. According to the critical heterogeneous catalytic oxidation equipment provided by the application, the water distribution area, the catalytic reaction area and the water outlet area are sequentially arranged at the bottom of the reaction tank from bottom to top, and through reasonable partition design, the separation and synergistic effect of different functional areas are realized, and the reaction efficiency and the treatment effect are improved.
2. The application provides critical heterogeneous catalytic oxidation equipment, wherein a catalytic reaction zone comprises a supporting layer and a packing layer, and a plurality of long-handle filter heads are arranged on one side, close to a water distribution zone, of the supporting layer. The design can effectively filter suspended matters and impurities, provide larger surface area for catalyzing reaction, increase contact of reactants and catalysts in the filler layer, and improve reaction efficiency and catalytic effect.
3. The application provides critical heterogeneous catalytic oxidation equipment, which is provided with an aeration unit and a detection unit, wherein the aeration unit is used for supplying oxygen by conveying gas to the bottom of a reaction tank so as to promote oxidation reaction in wastewater. The detection unit may monitor key parameters and indicators during the reaction. The heterogeneous catalysis design can increase the reaction surface area and the contact effect, and improve the oxidation reaction efficiency.
4. According to the critical heterogeneous catalytic oxidation equipment provided by the application, the first water outlet and the second water outlet are arranged at the water outlet part, treatment products in different stages can be respectively collected through the two water outlets, and pretreatment and adjustment of water inflow can be realized through the communication between the first water outlet and the water inflow treatment unit. The method is beneficial to improving the quality and stability of water inflow, reducing the load and influence on equipment, analyzing and controlling the treatment process and improving the controllability and effect of wastewater treatment.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a schematic diagram of a critical heterogeneous catalytic oxidation apparatus according to the present application;
FIG. 2 is a schematic top view of a critical heterogeneous catalytic oxidation reaction tank according to the present application.
List of parts and reference numerals:
1 water distribution area, 2 water outlet area, 3 bearing layer, 4 packing layer, 5 first delivery port, 6 second delivery port, 7 first delivery pipe, 8 long handle filter head, 9 manholes, 10 fans, 11 intake pipe, 12 gas control valve, 13 first control valve, 14 first flowmeter, 15 first mixing pipeline, 16 regulation liquid intake pipe, 17 second flowmeter, 18 second mixing pipeline, 19 second control valve, 20 first regulation pipe, 21 second regulation pipe, 22 third flowmeter, 23 third control valve, 24pH meter, 25 sludge discharge mouth.
Detailed Description
In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.
In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited to the specific embodiments disclosed below.
In addition, in the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
As shown in fig. 1-2, a critical heterogeneous catalytic oxidation device comprises a reaction tank, wherein the bottom of the reaction tank is sequentially provided with a water distribution area 1, a catalytic reaction area and a water outlet area 2 from bottom to top, separation and synergistic effect of different functional areas are realized through reasonable partition design, reaction efficiency and treatment effect are improved, and the catalytic reaction area comprises a supporting layer 3 and a packing layer 4, so that the reaction surface area and the contact effect can be increased, and the oxidation reaction efficiency is improved. The filler layer can provide more reaction interfaces, so that the contact between the wastewater and oxygen is enhanced, and the oxidation reaction is promoted. The bottom of the reaction tank is provided with an aeration unit, the top of the reaction tank is provided with a detection unit, the bottom of the reaction tank is provided with an aeration unit and a detection unit, and the aeration unit is used for supplying oxygen through conveying gas to the bottom of the reaction tank so as to promote oxidation reaction in wastewater. The detection unit may monitor key parameters and indicators during the reaction. The heterogeneous catalysis design can increase the reaction surface area and the contact effect, and improve the oxidation reaction efficiency.
As an implementation mode, one side of the supporting layer 3, which is close to the water distribution area 1, is provided with a plurality of long-handle filter heads 8, and the design can effectively and evenly distribute water, prevent catalyst loss and improve the fluidity and mass transfer effect of reaction liquid. The contact of reactants with the catalyst in the packing layer 4 is increased, and the reaction efficiency and the catalytic effect are improved.
As an implementation mode, the long-handle filter head 8 is partially positioned in the supporting layer 3, so that waste water is driven to be mixed from bottom to top, flows into the packing layer 4 and is mixed with a catalyst, and meanwhile, the Fenton reaction is carried out by utilizing the aerated oxygen environment.
As an implementation mode, the water outlet area 2 comprises a first water outlet 5 and a second water outlet 6, the arrangement of the water outlet area 2 ensures that the water outlet amount is in a certain interval, the equipment is provided with a circulating system, and the water flows out from the first water outlet 5 and enters the water distribution area 1 again for circulation.
As one implementation mode, one side of the reaction tank is provided with a water inlet treatment unit, the water inlet unit is communicated with the water distribution area 1 through a water inlet, the first water outlet 5 is communicated with the water inlet treatment unit through a first water outlet pipe 7, the amplification of the water quantity of water inlet can be realized, the flow velocity of a water distribution outlet is accelerated, the stirring intensity in the system is increased, and the mass transfer reaction efficiency is increased.
As an implementation mode, the second water outlet 6 is higher than the first water outlet 5, so that the constant discharge of the water yield is ensured, and the catalytic reaction is completed.
As an implementation mode, the water distribution area 1, the catalytic reaction area and the water outlet area 2 are all provided with manholes 9, so that each layer can be overhauled in time.
As an implementation mode, a fan 10 is arranged outside the reaction tank, the fan 10 is communicated with the aeration unit through an air inlet pipe 11, the fan 10 conveys gas to the bottom of the reaction tank to provide oxygen supply, promote oxidation reaction in wastewater, and specifically, the air inlet pipe 11 is provided with a gas regulating valve 12 for regulating the flow of the gas. Thus, the supply amount of the aeration gas can be precisely controlled to meet the requirements of the reaction process.
As an implementation mode, a sludge emptying port 25 is arranged at one side of the bottom of the reaction tank far away from the water inlet, so that the reaction sludge is conveniently discharged.
As one embodiment, the detection unit is a pH meter 24, and the pH meter 24 is electrically connected to the control system. The pH meter 24 is configured to monitor the pH during wastewater treatment in real time. The pH value is an index for measuring the acidity and alkalinity of the wastewater, so that the accurate control of the pH value in the wastewater treatment process can be realized, and the progress of the reaction and the achievement of the effect are ensured. After the control system receives the signal, the second control valve 19 is regulated and controlled to regulate the regulating quantity of the acidic reagent.
As an implementation mode, one end of the reaction part, which is close to the water outlet part, is in an opening shape, the through arrangement of the circulation part can ensure the flow of the wastewater in the whole reaction tank, so that the generation of dead zones is avoided, the reaction efficiency is further improved, the bottom end of the reaction part is in a plugging shape, the through arrangement of the circulation part is in the reaction tank, the through arrangement of the circulation part can ensure the flow of the wastewater in the whole reaction tank, the generation of the dead zones is avoided, and the reaction efficiency is further improved.
As an implementation mode, a fan 10 is arranged outside the reaction tank, the fan 10 is communicated with the aeration unit through an air inlet pipe 11, and the fan 10 conveys gas to the bottom of the reaction tank to provide oxygen supply so as to promote oxidation reaction in wastewater.
As an embodiment, the gas inlet pipe 11 is provided with a gas regulating valve 12, and the gas regulating valve 12 can regulate the flow of the gas to meet the requirement of the reaction process.
As an implementation mode, the water inlet treatment unit comprises a water inlet main pipe, the water inlet main pipe is sequentially connected with a first control valve 13, a first flowmeter 14, a first pipeline mixing part and a second pipeline mixing part in series and communicated with the bottom of the reaction tank, so that the water inlet and the added reagent can be uniformly mixed, the uniform mixing of water flows added with different reagents is facilitated, the sufficient mixing and contact of waste water in the reaction tank are ensured, and the reaction efficiency is improved.
As an embodiment, the first pipe mixing part includes a first mixing pipe 15, an adjusting part and a first adjusting pipe 20, where the adjusting part and the first adjusting pipe 20 are respectively communicated with the first mixing pipe 15, specifically, ferrous sulfate is inside the first adjusting pipe 20, so that the inflow water and the ferrous sulfate can contact and react. Ferrous sulfate can promote oxidation reaction in wastewater, improve reaction rate and effect, and flexibly adjust reaction conditions by adjusting the concentration of ferrous sulfate in the first adjusting pipe 20. The concentration of ferrous sulfate can affect the rate and selectivity of the catalytic oxidation reaction. Therefore, the concentration of the ferrous sulfate can be adjusted according to the characteristics and the treatment requirements of the wastewater so as to realize the optimal catalytic oxidation effect.
As an implementation manner, the adjusting part comprises an adjusting liquid inlet pipe 16, the adjusting liquid inlet pipe 16 is connected in series with a second flowmeter 17 and a second control valve 19, and is communicated with the first mixing pipeline 15, the second control valve 19 is electrically connected with the control system, and an acidic reagent is arranged inside the adjusting liquid inlet pipe 16, so that the adding amount of the acidic reagent is controlled according to actual needs, and the accurate control of the pH value in the wastewater treatment process is realized, and the reagent waste is avoided. The flow rate can be regulated in real time according to the requirement, so that the requirement of the reaction process is met, and the second control valve 19 is electrically connected with the control system, so that the flow rate of the regulating liquid inlet pipe 16 can be automatically controlled; the addition amount of the acidic reagent can be monitored and adjusted in real time through the feedback signal of the control system.
As an embodiment, the second pipe mixing part includes a second mixing pipe 18 and a second adjusting pipe 21, one end of the second adjusting pipe 21 is communicated with the second mixing pipe 18, and the reagent in the second pipe is hydrogen peroxide to promote the oxidation reaction in the wastewater. In the second pipeline mixing part, the wastewater is contacted and reacted with hydrogen peroxide, so that the oxidation degree of the wastewater can be improved, and the concentration of organic pollutants and other pollutants can be degraded. This helps to increase the effectiveness of wastewater treatment.
As an implementation manner, the first water outlet pipe 7 is arranged between the second mixing pipeline 18 and the reaction tank, the third flowmeter 22 and the third control valve 23 are arranged on the first water outlet pipe 7, and the control of the reaction process can be realized by monitoring and adjusting the flow in the first water outlet pipe 7. Flow rate variations during wastewater treatment may affect the rate and effectiveness of the reaction. By controlling the flow in the first water outlet pipe 7, the contact time and concentration of the wastewater and the oxidant in the reaction process can be regulated, thereby realizing the accurate control of the reaction process.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for system embodiments, since they are substantially similar to method embodiments, the description is relatively simple, as relevant to see a section of the description of method embodiments.
The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and variations of the present application will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the application are to be included in the scope of the claims of the present application.
Claims (10)
1. The utility model provides a critical heterogeneous catalytic oxidation equipment, its characterized in that, includes the reaction tank, the reaction tank bottom has set gradually cloth water district, catalytic reaction district and play water district from down upwards, catalytic reaction district includes supporting layer and packing layer, the reaction tank bottom is provided with aeration unit, the reaction tank top is provided with detecting element.
2. The critical heterogeneous catalytic oxidation apparatus of claim 1, wherein the support layer is provided with a plurality of long handle filter heads on a side thereof adjacent to the water distribution area.
3. The critical heterogeneous catalytic oxidation apparatus of claim 2, wherein the long-handled filter head portion is located within the support layer.
4. The critical heterogeneous catalytic oxidation apparatus of claim 1, wherein the water outlet zone comprises a first water outlet and a second water outlet.
5. The critical heterogeneous catalytic oxidation apparatus as recited in claim 4, wherein a water inlet treatment unit is disposed at one side of the reaction tank, the water inlet treatment unit is communicated with the water distribution area through a water inlet, and the first water outlet is communicated with the water inlet treatment unit through a first water outlet pipeline.
6. The critical heterogeneous catalytic oxidation apparatus of claim 4, wherein the second water outlet is higher than the first water outlet.
7. The critical heterogeneous catalytic oxidation apparatus of claim 1, wherein the water distribution zone, the catalytic reaction zone and the water outlet zone are all provided with manholes.
8. The critical heterogeneous catalytic oxidation apparatus according to claim 1, wherein a fan is provided outside the reaction tank, and the fan is communicated with the aeration unit through an air inlet pipe.
9. The critical heterogeneous catalytic oxidation apparatus as recited in claim 5, wherein a sludge drain is provided at a side of the bottom of the reaction tank remote from the water inlet.
10. The critical heterogeneous catalytic oxidation apparatus of claim 1, wherein the detection unit is a pH meter, the pH meter being electrically connected to a control system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202322477240.8U CN220812034U (en) | 2023-09-12 | 2023-09-12 | Critical multiphase catalytic oxidation equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322477240.8U CN220812034U (en) | 2023-09-12 | 2023-09-12 | Critical multiphase catalytic oxidation equipment |
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| CN220812034U true CN220812034U (en) | 2024-04-19 |
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| CN202322477240.8U Active CN220812034U (en) | 2023-09-12 | 2023-09-12 | Critical multiphase catalytic oxidation equipment |
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| CN (1) | CN220812034U (en) |
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