CN215196314U - Ozone-enhanced microwave catalytic oxidation waste gas treatment device - Google Patents
Ozone-enhanced microwave catalytic oxidation waste gas treatment device Download PDFInfo
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- CN215196314U CN215196314U CN202120228547.2U CN202120228547U CN215196314U CN 215196314 U CN215196314 U CN 215196314U CN 202120228547 U CN202120228547 U CN 202120228547U CN 215196314 U CN215196314 U CN 215196314U
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Abstract
The utility model provides a microwave reinforcing electricity coagulation device of ozone reinforcing microwave catalytic oxidation exhaust treatment device relates to exhaust-gas treatment technical field, and the device includes: the device comprises an air inlet, an ozone generator, a mixing cavity, a reaction cavity, a microwave source, a catalyst carrier and an air outlet; wherein, the microwave source is arranged on the outer wall of the reaction cavity; the mixing cavity is connected with the reaction cavity; the catalyst carrier is arranged in the reaction cavity; the ozone generator is connected with the mixing cavity; the waste gas enters the mixing cavity from the gas inlet, is mixed with the ozone generated in the ozone generator, and is discharged from the gas outlet after being treated by the reaction cavity. The utility model discloses based on the microwave source effect, arouse the activity of catalyst for ozone and organic waste gas reaction have accelerated dumped treatment effeciency, have reduced the reaction energy consumption, device simple structure, and the range of application is more extensive.
Description
Technical Field
The utility model relates to a waste gas treatment technical field particularly, relates to an ozone reinforcing microwave catalytic oxidation exhaust treatment device.
Background
With the rapid development of economy in China, the problem of environmental pollution is increasingly remarkable. The traditional energy consumption is large, the pollutant discharge amount is still the largest problem, and the outstanding environmental problems seriously restrict the economic sustainable development problem of China, so that the environmental management problem is emphasized by various departments.
In the prior art, in order to improve the treatment efficiency of the waste gas and enable the emission to reach the national emission standard, researchers in the field invent a plurality of methods for improving the treatment capacity of the waste gas. For example, activated carbon particles are put into a treatment device, ozone oxidation gas is introduced, and under the driving of activated carbon, space circulation is formed in the inner cylinder and the outer cylinder of the device, so that waste gas is treated.
However, in the prior art, the technology for treating exhaust gas based on ozone oxidation has the problems of poor exhaust gas treatment efficiency, increased equipment manufacturing cost and increased treatment cost due to the ensured treatment effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an ozone reinforcing microwave catalytic oxidation exhaust treatment device to the not enough of technique of ozone oxidation treatment waste gas among the above-mentioned prior art to it is poor to solve exhaust treatment efficiency among the prior art, often because guaranteed the treatment effect, increased equipment cost of manufacture, increase the problem of treatment cost.
In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions:
the embodiment of the utility model provides an ozone reinforcing microwave catalytic oxidation exhaust treatment device, a serial communication port, the device includes: the device comprises an air inlet, an ozone generator, a mixing cavity, a reaction cavity, a microwave source, a catalyst carrier and an air outlet;
wherein the microwave source is arranged on the outer wall of the reaction cavity; the mixing cavity is connected with the reaction cavity; the catalyst carrier is arranged in the reaction cavity; the ozone generator is connected with the mixing cavity; and waste gas enters the mixing cavity from the gas inlet, is mixed with ozone generated in the ozone generator and is discharged from the gas outlet after being treated by the reaction cavity.
Optionally, the catalyst support is a porous ceramic support.
Optionally, a catalyst is attached to the catalyst support.
Optionally, the catalyst is a metal oxide.
Optionally, the microwave source includes at least one, and the microwave source further includes a power divider and a radiator.
Optionally, the device further comprises a controller and a sensor; the sensor is connected with the controller; the sensor comprises a concentration sensor, an air volume sensor and a temperature sensor.
Optionally, the concentration sensor and the air volume sensor are arranged in the mixing cavity.
Optionally, a temperature sensor is disposed in the reaction chamber.
The utility model has the advantages that: an ozone enhanced microwave catalytic oxidation exhaust treatment device, the device comprising: the device comprises an air inlet, an ozone generator, a mixing cavity, a reaction cavity, a microwave source, a catalyst carrier and an air outlet; wherein the microwave source is arranged on the outer wall of the reaction cavity; the mixing cavity is connected with the reaction cavity; the catalyst carrier is arranged in the reaction cavity; the ozone generator is connected with the mixing cavity; and waste gas enters the mixing cavity from the gas inlet, is mixed with ozone generated in the ozone generator and is discharged from the gas outlet after being treated by the reaction cavity. The utility model discloses based on the microwave source effect, arouse the activity of catalyst for ozone and organic waste gas reaction have accelerated dumped treatment effeciency, have reduced the reaction energy consumption, device simple structure, and the range of application is more extensive.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of an ozone-enhanced microwave catalytic oxidation exhaust gas treatment device according to an embodiment of the present invention.
Icon: 1-air inlet, 2-ozone generator, 3-mixing chamber, 4-reaction chamber, 5-microwave source, 6-catalyst carrier and 7-air outlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
The terms used in this application are explained first:
an ozone generating device: refers to a device for producing ozone, which decomposes and polymerizes part of oxygen in the air into ozone by high-pressure ionization (or chemical and photochemical reactions), and is an allotropic transformation process of oxygen; can also be obtained by water electrolysis.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 in specific cases to those skilled in the art.
Fig. 1 is a schematic view of an ozone-enhanced microwave catalytic oxidation exhaust gas treatment device, and the following describes in detail the ozone-enhanced microwave catalytic oxidation exhaust gas treatment process provided by the embodiment of the present invention with reference to fig. 1.
Fig. 1 is a schematic view of an ozone-enhanced microwave catalytic oxidation exhaust gas treatment device provided by an embodiment of the present invention, as shown in fig. 1, the ozone-enhanced microwave catalytic oxidation exhaust gas treatment device includes: the device comprises an air inlet 1, an ozone generator 2, a mixing cavity 3, a reaction cavity 4, a microwave source 5, a catalyst carrier 6 and an air outlet 7;
wherein the microwave source 5 is arranged on the outer wall of the reaction cavity 4; the mixing cavity 3 is connected with the reaction cavity 4; the catalyst carrier 6 is arranged in the reaction cavity 4; the ozone generator 2 is connected with the mixing cavity 3; waste gas enters the mixing cavity 3 from the gas inlet 1, is mixed with ozone generated in the ozone generator 2, and is treated by the reaction cavity 4 to be discharged from the gas outlet 7.
It should be noted that the present invention uses microwave to excite the catalyst, and the ozone is decomposed on the surface of the catalyst to generate oxygen atoms, and reacts with the adsorbed organic substances. Based on the method, the efficiency of the traditional microwave catalytic oxidation waste gas treatment system can be increased, the reaction temperature and the energy consumption are reduced, and the residual ozone concentration is reduced.
In the embodiment of the present invention, the catalyst carrier 5 is a porous ceramic carrier; the catalyst is attached to the catalyst carrier 5; the catalyst is a metal oxide.
Illustratively, a plurality of catalyst carriers 5 are uniformly arranged inside the reaction chamber 4, optionally, the catalyst carriers are alumina porous ceramics, and a metal oxide catalyst is arranged on the surface of the porous ceramics. For example, the catalyst is manganese oxide, nickel oxide, and cerium oxide.
Optionally, the method for attaching the catalyst to the catalyst carrier is various, including a direct coating method, a sol-gel method, a bonding method and a pasting method, and experiments show that the metal oxide catalyst is attached to the catalyst carrier based on the bonding method, so that the loss rate of the catalyst is the lowest.
Specifically, the microwave source 5 includes at least one, and the microwave source 5 further includes a power divider and a radiator.
In the embodiment of the present invention, the microwave source 5 is a device for generating microwave energy, which is called a microwave source. Here, the microwave source 5 includes a plurality of microwave sources distributed in an array on top of the MW-LEP processor. The microwave is an electric wave having a frequency of 300 mhz to 300 ghz, and water molecules in the heated medium material are polar molecules. Under the action of a rapidly changing high-frequency point magnetic field, the polarity orientation of the magnetic field changes along with the change of an external electric field. The effect of mutual friction motion of molecules is caused, at the moment, the field energy of the microwave field is converted into heat energy in the medium, so that the temperature of the material is raised, and a series of physical and chemical processes such as thermalization, puffing and the like are generated to achieve the aim of microwave heating.
The microwave heating has the following advantages: the heating time is short; the heat energy utilization rate is high, and energy is saved; heating uniformly; the microwave source is easy to control, and the microwave can also induce the catalytic reaction.
The microwave is generated by a microwave source, which is mainly composed of a high-power magnetron. The magnetron is a device which completes energy conversion by utilizing the movement of electrons in vacuum and can generate high-power microwave energy, for example, a 4250MHz magnetic wave tube can obtain 5MHz, and a 4250MHz klystron can obtain 30MHz, so that the microwave technology can be applied to the technical field of wastewater treatment.
In the embodiment of the utility model provides an in, the operating frequency of microwave source 5 includes: 433MHz, 915MHz and 2.45 GHz; the power value range of the microwave source 5 is 200W-100 kW.
Optionally, the ozone-enhanced microwave catalytic oxidation exhaust gas treatment device further comprises a controller and a sensor; the sensor is connected with the controller; the sensor comprises a concentration sensor, an air volume sensor and a temperature sensor; wherein the concentration sensor and the air volume sensor are arranged in the mixing cavity; a temperature sensor is arranged in the reaction cavity.
The embodiment of the utility model provides an in, each sensor is connected to the controller in the ozone reinforcing microwave catalytic oxidation exhaust treatment device to connect the microwave source. The sensor collects data and uploads the collected data to the controller in real time, and the controller controls the working power of the microwave source based on the obtained data, so that the dynamic adjustment of the device is realized, the power consumption of the device is reduced, and the energy is saved.
Illustratively, an air volume sensor and a concentration sensor are installed in the mixing chamber 3 and used for monitoring the air volume and concentration parameters of the waste gas and ozone in the mixing chamber 3, and a temperature sensor is further arranged in the reaction chamber 4 and used for monitoring the temperature of the reaction chamber 4 and further adjusting the working power of the microwave source 5; and a concentration sensor is arranged at the position of the gas outlet 7 and used for detecting whether the treated gas reaches the standard or not, and the power of the microwave source 5 is further adjusted according to the concentration of the gas at the gas outlet, so that the real-time monitoring of various data in the reaction process of the device is realized, the dynamic adjustment is realized, the treatment efficiency of the device is improved, and the energy consumption of the device is reduced.
The embodiment discloses an ozone reinforcing microwave catalytic oxidation exhaust treatment device, the device includes: the device comprises an air inlet 1, an ozone generator 2, a mixing cavity 3, a reaction cavity 4, a microwave source 5, a catalyst carrier 6 and an air outlet 7; wherein the microwave source 5 is arranged on the outer wall of the reaction cavity 4; the mixing cavity 3 is connected with the reaction cavity 4; the catalyst carrier 6 is arranged in the reaction cavity 4; the ozone generator 2 is connected with the mixing cavity 3; waste gas enters the mixing cavity 3 from the gas inlet 1, is mixed with ozone generated in the ozone generator 2, and is treated by the reaction cavity 4 to be discharged from the gas outlet 7. The utility model discloses based on the microwave source effect, arouse the activity of catalyst for ozone and organic waste gas reaction have accelerated dumped treatment effeciency, have reduced the reaction energy consumption, device simple structure, and the range of application is more extensive.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An ozone enhanced microwave catalytic oxidation exhaust treatment device, comprising: the device comprises an air inlet, an ozone generator, a mixing cavity, a reaction cavity, a microwave source, a catalyst carrier and an air outlet;
wherein the microwave source is arranged on the outer wall of the reaction cavity; the mixing cavity is connected with the reaction cavity; the catalyst carrier is arranged in the reaction cavity; the ozone generator is connected with the mixing cavity; and waste gas enters the mixing cavity from the gas inlet, is mixed with ozone generated in the ozone generator and is discharged from the gas outlet after being treated by the reaction cavity.
2. The ozone-enhanced microwave catalytic oxidation exhaust gas treatment device according to claim 1, wherein the catalyst support is a porous ceramic support.
3. The ozone-enhanced microwave catalytic oxidation exhaust gas treatment device according to claim 2, wherein a catalyst is attached to the catalyst carrier.
4. The ozone-enhanced microwave catalytic oxidation exhaust gas treatment device of claim 3, wherein the catalyst is a metal oxide.
5. The ozone-enhanced microwave catalytic oxidation exhaust treatment device according to claim 1, wherein the microwave source comprises at least one, the microwave source further comprising a power divider and a radiator.
6. The ozone enhanced microwave catalytic oxidation exhaust gas treatment device according to claim 1, wherein the device further comprises a controller and a sensor; the sensor is connected with the controller; the sensor comprises a concentration sensor, an air volume sensor and a temperature sensor.
7. The ozone-enhanced microwave catalytic oxidation exhaust gas treatment device according to claim 6, wherein the concentration sensor and the air volume sensor are disposed in the mixing chamber.
8. The ozone-enhanced microwave catalytic oxidation exhaust gas treatment device of claim 7, wherein a temperature sensor is disposed in the reaction chamber.
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| CN202120228547.2U CN215196314U (en) | 2021-01-27 | 2021-01-27 | Ozone-enhanced microwave catalytic oxidation waste gas treatment device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114307630A (en) * | 2021-12-20 | 2022-04-12 | 深圳市天得一环境科技有限公司 | Method and equipment for treating high-humidity ozone-containing waste gas |
| CN114797444A (en) * | 2021-01-27 | 2022-07-29 | 陕西青朗万城环保科技有限公司 | Method for treating waste gas by ozone enhanced microwave catalytic oxidation and control system thereof |
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2021
- 2021-01-27 CN CN202120228547.2U patent/CN215196314U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797444A (en) * | 2021-01-27 | 2022-07-29 | 陕西青朗万城环保科技有限公司 | Method for treating waste gas by ozone enhanced microwave catalytic oxidation and control system thereof |
| CN114307630A (en) * | 2021-12-20 | 2022-04-12 | 深圳市天得一环境科技有限公司 | Method and equipment for treating high-humidity ozone-containing waste gas |
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