CN215798598U - Catalytic device for degrading organic matters - Google Patents
Catalytic device for degrading organic matters Download PDFInfo
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- CN215798598U CN215798598U CN202122231434.0U CN202122231434U CN215798598U CN 215798598 U CN215798598 U CN 215798598U CN 202122231434 U CN202122231434 U CN 202122231434U CN 215798598 U CN215798598 U CN 215798598U
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Abstract
The catalytic device for degrading organic matters provided by the embodiment of the application comprises at least one container, a light source and a vortex component. The light source extends along the axial direction of the container in the accommodating space; the vortex component is arranged in the accommodating space and spirally extends around the light source between the fluid inlet and the fluid outlet, the vortex component is provided with a tubular structural body of a conveying channel, two ports of the conveying channel are respectively communicated with the fluid inlet and the fluid outlet, and light rays emitted by the light source are directly radiated to the vortex component and/or reflected and refracted to the vortex component on the inner surface of the container. The vortex component in the catalytic device can increase the stroke of the organic matters and the photocatalyst in the channel so that the organic matters and the photocatalyst can be fully contacted. And the vortex component is arranged around the light source, so that the irradiation time of the light source can be prolonged to improve the catalytic oxidation capability of the photocatalyst, and organic matters are effectively degraded and the use amount of the catalyst is reduced to reduce the treatment cost.
Description
Technical Field
The application relates to the technical field of catalytic equipment, in particular to a catalytic device for degrading organic matters.
Background
In recent years, with the rapid development of petroleum, chemical, and pharmaceutical industries, pollutants (such as industrial waste water or waste gas) discharged during the production process thereof are rapidly increased, and the pollutants also contain a large amount of organic substances. In the process of treating pollutants, it is found that the components contained therein are very complex, high in concentration and difficult to degrade. The conventional pollutant treatment method generally adopts a vertical and transparent conveying pipeline and combines light source irradiation to treat organic matters contained in the pipeline, but the method cannot effectively treat the organic matters.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a catalytic unit for degrading organic matters, which can effectively degrade the organic matters in pollutants.
The embodiment of the application provides a catalytic device for degrading organic matters, which comprises at least one container, a first container and a second container, wherein the container is provided with a containing space, a fluid inlet and a fluid outlet which are communicated with each other; the light source extends along the axial direction of the container in the accommodating space and can emit ultraviolet light rays; and the vortex component is arranged in the accommodating space and spirally extends around the light source between the fluid inlet and the fluid outlet, the vortex component is provided with a tubular structural body of a conveying channel, two ports of the conveying channel are respectively communicated with the fluid inlet and the fluid outlet, and light rays emitted by the light source are directly radiated to the vortex component and/or reflected and refracted to the vortex component on the inner surface of the container.
The catalytic unit who degrades organic matter that this application embodiment provided, the vortex part that extends at fluid entry and fluid export spiral can increase organic matter and photocatalyst that the stroke messenger of organic matter and photocatalyst in the passageway can fully contact. And the vortex component is arranged around the light source, so that the irradiation time of the light source can be prolonged to improve the catalytic oxidation capability of the photocatalyst, and the organic matters are effectively degraded and the use amount of the catalyst is reduced to reduce the treatment cost.
In some embodiments of the present application, the light source includes microwave electrodeless ultraviolet lamps, which have concentrated spectral energy, high photocatalytic activity, and long service life, thereby simplifying the catalytic device and improving the safety and reliability of the catalytic device.
In some embodiments of the present application, the microwave electrodeless ultraviolet lamp further comprises a quartz tube, the light source is disposed in the quartz tube, and the vortex member is disposed on the outer peripheral side of the quartz tube and extends spirally along the length direction of the quartz tube, and the microwave electrodeless ultraviolet lamp is protected by the quartz tube.
In some embodiments of the present application, the number of the containers is plural, and the plural containers are disposed in series communication with each other through the first flow path. The plurality of containers are connected in series, so that the treatment capacity of pollutants can be further improved, and the contact time of the pollutants and organic matters can be prolonged, so that the degradation effect is further improved.
In some embodiments of the present application, the number of the containers is plural, and the plural containers are disposed in parallel communication with each other through the first circulation passage. The plurality of containers are connected in parallel, so that the pollutant treatment capacity and the pollutant treatment efficiency can be further improved.
In some embodiments of the present application, a control member for opening or closing the first flow path is provided in the container.
In some embodiments of the present application, the vortex component is vertically disposed in the accommodating space, so as to further increase the irradiation time and the irradiation area of the light source to the vortex component, and improve the contact time of the organic matter and the photocatalyst, thereby facilitating the function of the photocatalyst.
In some embodiments of the present application, the catalytic device further includes an aeration component communicated with the external atmosphere, the container has an aeration cavity communicated with the accommodating space, and part of the aeration component is arranged in the aeration cavity. The aeration component can increase the dissolved oxygen in the aeration cavity, thereby accelerating the photocatalytic degradation reaction and being beneficial to the discharge of carbon dioxide.
In some embodiments of the present application, the aeration member includes an aeration tube and an air blowing device, one end of the aeration tube is disposed in the aeration chamber, and the other end of the aeration tube is communicated with the air blowing device located outside the container. The air can flow into the aeration cavity rapidly and contact with the pollutants.
In some embodiments of the present application, the aeration pipe is provided with a plurality of air outlets, and the plurality of air outlets are arranged at intervals along the length direction of the aeration pipe. The arrangement of the air outlet can increase the contact area of air and fluid, and further improve the dissolved oxygen in the fluid and the discharge of carbon dioxide.
In some embodiments of the present application, the container is provided with an exhaust hole, which is beneficial to timely exhaust of gas in the degradation reaction process.
In some embodiments of the present application, the catalytic device further comprises: and the flow pump is communicated with the fluid inlet of the container, and the flow pump can control the flow speed and the flow of the fluid, so that an appropriate amount of photocatalyst can be matched to degrade organic matters in the fluid.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Fig. 1 is a schematic structural diagram of a catalytic device for degrading organic substances according to an embodiment of the present disclosure;
FIG. 2 is a schematic structural diagram of another catalytic device for degrading organic compounds according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of another catalytic device for degrading organic substances according to an embodiment of the present disclosure.
Description of reference numerals:
10-a catalytic device;
11-a container;
111-a fluid inlet;
112-a fluid outlet;
113-vent;
114-a first flow-through channel;
115-an accommodation space;
116-an exposure cavity;
12-a light source;
121-microwave electrodeless ultraviolet lamps;
122-quartz tube;
13-a vortex component;
14-an aerator pipe.
With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.
Detailed Description
The embodiments or implementation schemes are described in a progressive mode in the specification, each embodiment focuses on differences from other embodiments, and the same similar parts in all embodiments can be mutually referred to.
In the description herein, references to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean 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 do not necessarily refer 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.
Furthermore, the terms "first", "second" and "first" 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" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
At present, the industrial fields of petroleum, chemical industry, pharmacy and the like are rapidly developed, the pollutants discharged in the production process are rapidly increased, and the pollutants contain a large amount of organic matters. In the process of treating pollutants, it is found that the components contained therein are very complex, high in concentration and difficult to degrade. Among them, the conventional wastewater treatment method usually employs a vertical and transparent conveying pipe and combines with light source irradiation to treat organic matters in industrial wastewater, but the method cannot effectively treat the industrial wastewater.
In order to solve the above technical problem, embodiments of the present application provide a catalytic device for degrading organic substances, in which a vortex member spirally extends between a fluid inlet and a fluid outlet, so as to increase a stroke of the organic substances and a photocatalyst in a channel, so that the organic substances and the photocatalyst can be sufficiently contacted. And the vortex component is arranged around the light source, so that the irradiation time of the light source can be prolonged to improve the catalytic oxidation capability of the photocatalyst, and the organic matters are effectively degraded and the use amount of the catalyst is reduced to reduce the treatment cost. The pollutant can be chemical sewage, petroleum sewage, printing and dyeing sewage, textile sewage, medical sewage, food sewage, paper-making sewage and the like containing organic matters such as chain hydrocarbon, amine, polycyclic aromatic hydrocarbon, alcohol and aldehyde.
As shown in fig. 1, the present embodiment provides a catalytic device for degrading organic substances, where the catalytic device 10 includes: at least one container 11, a light source 12 and a vortex element 13. The container 11 has a receiving space 115, a fluid inlet 111 and a fluid outlet 112 communicating with each other. The light source 12 is disposed in the accommodating space 115 to extend in the axial direction of the container 11 and is capable of emitting ultraviolet rays. The vortex member 13 is disposed in the accommodating space 115 and extends spirally around the light source 12 between the fluid inlet 111 and the fluid outlet 112, the vortex member 13 has a tubular structure of a transfer passage, both ends of the transfer passage are respectively communicated with the fluid inlet 111 and the fluid outlet 112, and light emitted from the light source 12 is directly radiated to the vortex member 13 and/or reflected and refracted at the inner surface of the container 11 to the vortex member 13.
In the embodiment of the present application, the number, capacity, material and other parameters of the containers are not particularly limited, and may be selected according to the type and volume of the pollutants to be treated. For example, if the contaminant is acidic, the container may be selected to be resistant to acids.
In some embodiments of the present application, as shown in fig. 2 and 3, the light source 12 comprises a microwave electrodeless ultraviolet lamp 121 based on a novel light source combining two well-known principles of fluorescent lamp gas discharge and high frequency electromagnetic induction, the high frequency generator generates a high frequency current when obtaining a suitable voltage, and the high frequency current generates a corresponding high frequency electromagnetic field when passing through a coil on the power coupler through a high frequency output line according to faraday's law of electromagnetic induction. Under the action of electromagnetic field energy, the inert gas in the bubble is subjected to avalanche ionization to release ultraviolet rays, so that the tricolor fluorescent powder on the inner wall of the bubble is excited to emit visible light. In addition, the ultraviolet lamp has concentrated spectral energy, higher photocatalytic activity and longer service life, and can further simplify the catalytic device and improve the safety and reliability of the catalytic device.
The photocatalyst generates photoproduction electrons and cavities under the irradiation of the microwave electrodeless ultraviolet lamp, dissolved oxygen adsorbed on the surface of the photocatalyst captures electrons to form superoxide radical, the cavities oxidize hydroxyl ions and water adsorbed on the surface of the catalyst into hydroxyl radical, and the superoxide radical and the hydroxyl radical have strong oxidizing property and can generate strong oxidizing propertyOxidation of most organic species to carbon dioxide (CO)2) And water (H)2O), even for some inorganic substances.
With continued reference to fig. 2 and 3, in some embodiments of the present application, the light source 12 further includes a quartz tube 122, the microwave electrodeless ultraviolet lamp 121 may be disposed in the quartz tube 122, and the quartz tube 122 may protect the microwave electrodeless ultraviolet lamp 121 from contacting with contaminants and affecting the use of the microwave electrodeless ultraviolet lamp 121. Moreover, the quartz tube not only has better thermal stability, namely extremely small thermal expansion coefficient, and can bear severe temperature change, but also has better light transmission performance, the visible light transmittance is more than 93%, and particularly in an ultraviolet spectrum region, the maximum transmittance can reach more than 80%.
Referring to fig. 2, in some embodiments of the present disclosure, the number of the containers 11 is plural, and may be referred to as a first container, a second container, a third container, and a fourth container … … …, each container 11 has a first flow channel 114 therein, and adjacent containers 11 are connected in series to each other through the first flow channel 114. It will be understood that the contaminants containing organic materials first flow into the first container and undergo a degradation reaction in the first container, and the reacted contaminants undergo a degradation reaction again when flowing into the second container, and so on until the degradation reaction occurs in the last container and is discharged to the outside. The arrangement of the plurality of containers 11 can further improve the treatment capacity of the pollutants, and can also prolong the contact time of the pollutants and the organic matters, thereby further improving the degradation effect.
Referring to fig. 3, in some embodiments of the present disclosure, the number of the containers 11 is plural, and may be referred to as a first container, a second container, a third container, and a fourth container … … …, respectively, the plural containers 11 have a first flow channel 114 therein, and the plural containers 11 are connected in parallel to each other through the first flow channel 114. It will be understood that the pollutants respectively flow into the first flow channel 114 of each container 11 through the fluid inlet 111 of one of the containers 11, then enter the channel of the vortex member 13 in each container 11 and mix with the photocatalyst, and undergo degradation reaction by the light source 12, so as to further improve the treatment amount and treatment efficiency of the pollutants.
In some embodiments of the present application, a control member may be provided on the first circulation path 114 of the container 11 to control the opening and closing of the first circulation path 114. In the present embodiment, the control unit is not particularly limited, and may be a control unit known to those skilled in the art, such as a valve.
It should be noted that the connection mode of the plurality of containers 11 can be specifically selected according to the degradation requirement. And the used photocatalyst can be correspondingly replaced according to the types of organic matters, and the catalyst without secondary pollution to the environment is selected as much as possible.
In the catalytic device provided in the embodiment of the present application, the vortex component 13 means that the rotational angular velocity vector of the fluid in the channel of the vortex component 13 is not zero, and the fluid particle or fluid micelle rotates around its own axis during the movement process.
With continued reference to fig. 2 and 3, in some embodiments of the present application, the vortex component 13 is vertically disposed in the accommodating space 115, so that during the process of flowing the pollutant and the photocatalyst from a high place to a low place, it is helpful for mixing the organic matter in the pollutant with the photocatalyst, and it is also beneficial for increasing the irradiation time and the irradiation area of the light source 12 to the mixture in the radiation chamber, and at the same time, it is also able to prolong the contact time of the photocatalyst and the organic matter, so that the catalytic oxidation capability of the photocatalyst can be fully exerted, and the usage amount of the catalyst can be reduced to reduce the treatment cost.
With continued reference to fig. 2 and 3, in some embodiments of the present application, the catalytic device 10 further includes an aeration component in communication with the outside atmosphere, the container 11 has an aeration chamber 116 therein in communication with the receiving space 115, and a portion of the aeration component is disposed within the aeration chamber 116. The aeration component can increase the dissolved oxygen in the aeration cavity 116, thereby accelerating the photocatalytic degradation reaction and being beneficial to discharging carbon dioxide.
In some embodiments of the present application, the aeration means includes an aeration tube 14 and an air blowing device, one end of the aeration tube 14 is disposed in the aeration chamber 116, and the other end of the aeration tube 14 is communicated with the air blowing device located outside the container 11, which facilitates rapid inflow of air into the aeration chamber 116 and contact with contaminants.
In some embodiments of the present disclosure, the aeration tube 14 has a plurality of air outlets, and the plurality of air outlets are spaced along the length direction of the aeration tube 14. The arrangement of the air outlet can increase the contact area of air and fluid, and further improve the dissolved oxygen in the fluid and the discharge of carbon dioxide.
In some embodiments of the present application, the air blowing device may be an air pump, which facilitates the rapid flow of air into the aeration chamber 116 and into contact with contaminants.
In some embodiments of the present disclosure, the side wall of the container 11 is provided with an air vent 113, which is beneficial to timely exhaust the gas generated during the degradation reaction.
In some embodiments of the present application, catalytic device 10 further comprises: and a flow pump which is communicated with the fluid inlet of the container 11, and can control the flow speed and the flow of the fluid through the flow pump, thereby being capable of matching with a proper amount of photocatalyst to degrade organic matters in the fluid.
In addition, in the catalytic device provided in the embodiment of the present application, before the pollutant enters the catalytic device, the content or concentration of the pollutant and other corresponding data need to be determined, and according to the data, a proper flow rate is selected. Illustratively, according to GJB3485A-2011 'requirements for wastewater treatment and discharge of hydrazine fuels and nitroxide oxidants', unsymmetrical dimethylhydrazine wastewater at rocket launching site is generally diluted and then treated, and if the diluted unsymmetrical dimethylhydrazine wastewater is diluted and the detected concentration is more than 10%, the flow is 1m3H; when the concentration is less than 10%, the flow rate is 1.5m3H; at a concentration of less than 5%, the flow rate is 2m3And h, until the operation reaches the standard requirement.
The use of the catalytic device provided in the examples of the present application is explained in detail below.
S1: measuring the organic matter components and the content of the pollutants, and selecting a proper photocatalyst, a proper using amount and a proper flow rate of the organic matters according to the organic matter components and the content;
s2: introducing a photocatalyst solution into the catalytic device through a pump while introducing the pollutants into the catalytic device;
s3: when the photocatalyst solution and the pollutants enter the vortex component, the light source is started to carry out degradation reaction.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A catalytic device for degrading organic matter, comprising:
at least one container having a receiving space, a fluid inlet and a fluid outlet which communicate with each other;
the light source extends along the axial direction of the container in the accommodating space and can emit ultraviolet light rays;
and a vortex member disposed in the accommodating space and spirally extending around the light source between the fluid inlet and the fluid outlet, wherein the vortex member has a tubular structure of a conveying passage, two ports of the conveying passage are respectively communicated with the fluid inlet and the fluid outlet, and light emitted by the light source is directly radiated to the vortex member and/or reflected and refracted on the inner surface of the container to the vortex member.
2. The catalytic device of claim 1, wherein the light source comprises a microwave electrodeless ultraviolet lamp.
3. The catalytic device according to claim 1, further comprising a quartz tube, wherein the light source is disposed in the quartz tube, and wherein the vortex member is disposed on an outer peripheral side of the quartz tube and extends spirally in a longitudinal direction of the quartz tube.
4. The catalytic device according to claim 1, wherein the number of the vessels is plural, and the plural vessels are arranged to communicate with each other in series through the first flow passage.
5. The catalytic device according to claim 1, wherein the number of the vessels is plural, and the plural vessels are arranged in parallel communication with each other through the first flow passage.
6. A catalytic device according to claim 4 or 5, wherein a control member for opening or closing the first flow passage is provided in the container.
7. A catalytic device according to claim 1, wherein the swirl element is arranged vertically in the receiving space.
8. The catalytic device of claim 1, further comprising an aeration member in communication with the outside atmosphere, wherein the container has an aeration chamber therein in communication with the receiving space, and wherein a portion of the aeration member is disposed within the aeration chamber.
9. The catalytic device of claim 8, wherein the aeration member comprises an aeration tube and an air blowing device, one end of the aeration tube is arranged in the aeration chamber, and the other end of the aeration tube is communicated with the air blowing device positioned outside the container.
10. The catalytic device of claim 9, wherein the aerator pipe is provided with a plurality of air outlets, and the plurality of air outlets are arranged at intervals along the length direction of the aerator pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122231434.0U CN215798598U (en) | 2021-09-15 | 2021-09-15 | Catalytic device for degrading organic matters |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122231434.0U CN215798598U (en) | 2021-09-15 | 2021-09-15 | Catalytic device for degrading organic matters |
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| CN215798598U true CN215798598U (en) | 2022-02-11 |
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| CN202122231434.0U Active CN215798598U (en) | 2021-09-15 | 2021-09-15 | Catalytic device for degrading organic matters |
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