CN212701266U - High temperature resistant exhaust-gas treatment equipment - Google Patents
High temperature resistant exhaust-gas treatment equipment Download PDFInfo
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- CN212701266U CN212701266U CN202021499258.8U CN202021499258U CN212701266U CN 212701266 U CN212701266 U CN 212701266U CN 202021499258 U CN202021499258 U CN 202021499258U CN 212701266 U CN212701266 U CN 212701266U
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Abstract
The utility model provides a high temperature resistant exhaust-gas treatment equipment relates to exhaust-gas treatment technical field, include: the device comprises a reaction cavity, an air inlet, a plasma double tube, a bracket, a high-voltage power supply, a filter screen, a water-cooled magnetron, a microwave window, a power distribution cabinet and an air outlet; wherein, the water-cooled magnetron, the microwave window and the power distribution cabinet form a microwave source; the plasma double-tube is fixed on the bracket; the air inlet and the air outlet are respectively provided with a filter screen; the high-voltage power supply is connected with the plasma double tube; the microwave source is arranged outside the reaction cavity. The utility model discloses a based on handle waste gas under microwave source and the high-pressure plasma combined action, avoided exhaust-gas treatment equipment by the phenomenon of corruption under high temperature environment, and exhaust-gas treatment is efficient, and is further, has promoted the life of equipment.
Description
Technical Field
The utility model relates to a waste gas treatment technical field particularly, relates to a high temperature resistant exhaust-gas treatment equipment.
Background
With the continuous development of industrial manufacturing enterprises in China, environmental pollution caused by industrial waste gas is one of the important sources of the current environmental pollution. A large amount of organic and inorganic substances harmful to human bodies in industrial waste gas are directly discharged to the atmosphere, causing serious harm to the environment and human bodies. Accordingly, attention is paid to a technique for treating exhaust gas.
In the prior art, the exhaust gas treatment technology mainly comprises: RTC, RCO, TO, CO, microwave treatment waste gas and plasma waste gas treatment technology have obtained certain effect in the waste gas treatment process.
However, the temperature of the exhaust gas discharged by the chemical industry is relatively high, and the high-temperature exhaust gas is directly introduced into the exhaust gas treatment equipment to treat the exhaust gas, so that the exhaust gas is easily generated in the reaction process, the service life of the exhaust gas treatment equipment is reduced, and the exhaust gas treatment efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high temperature resistant exhaust-gas treatment equipment to the not enough of existence among the above-mentioned prior art exhaust-gas treatment technique to when solving among the prior art exhaust-gas treatment efficiency not high, the treatment cost is high and can not solve multiple processing mode and exist simultaneously, mutual interference's problem between each other.
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 a high temperature resistant exhaust-gas treatment equipment, include: the device comprises a reaction cavity, an air inlet, a plasma double tube, a bracket, a high-voltage power supply, a filter screen, a water-cooled magnetron, a microwave window, a power distribution cabinet and an air outlet;
the water-cooled magnetron, the microwave window and the power distribution cabinet form a microwave source; the plasma double tube is fixed on the bracket; the air inlet and the air outlet are respectively provided with a filter screen; the high-voltage power supply is connected with the plasma double tube; the microwave source is disposed outside the reaction chamber.
Optionally, the reaction chamber is made of a metal material.
Optionally, the reaction chamber further includes a heat insulation layer inside, and the heat insulation layer is used for preventing corrosion of the reaction chamber.
Optionally, the air inlet and the air outlet are further respectively provided with a metal mesh.
Optionally, the microwave source comprises a plurality of microwave sources, and the plurality of microwave sources are uniformly arranged outside the reaction cavity.
Optionally, the plasma double tube comprises a plurality of plasma double tubes, and the plurality of plasma double tubes are connected with the high-temperature power supply.
The utility model has the advantages that: provided is a high temperature resistant exhaust gas treatment apparatus including: the device comprises a reaction cavity, an air inlet, a filter screen, a plasma double tube, a high-voltage power supply, a bracket, a water-cooled magnetron, a microwave window and a power distribution cabinet; the water-cooled magnetron, the microwave window and the power distribution cabinet form a microwave source; the plasma double tube is fixed on the bracket; the air inlet and the air outlet are respectively provided with a filter screen; the high-voltage power supply is connected with the plasma double tube; the microwave source is disposed outside the reaction chamber. That is to say, the utility model discloses based on microwave source and plasma are double-barrelled to waste gas treatment, avoided the phenomenon that exhaust-gas treatment equipment corrodes under high temperature environment, promoted the life of equipment when having improved the efficiency of waste gas.
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 a high temperature resistant exhaust gas treatment device according to an embodiment of the present invention.
Icon: 1-reaction chamber, 2-air inlet, 3-plasma double tube, 4-bracket, 5-high voltage power supply, 6-filter screen, 7-water-cooled magnetron, 8-microwave window, 9-power distribution cabinet and 10-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.
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.
Here, the related terms in the present invention are explained:
plasma: plasmas are aggregates consisting of charged positive and negative particles (including positive ions, negative ions, electrons, radicals, reactive radicals, etc.), wherein the positive and negative charges are equal in magnitude, so called plasmas, which are macroscopically electrically neutral. The plasma, which is composed of electrons, ions, radicals, and neutral particles, is a conductive fluid and generally maintains electrical neutrality.
FIG. 1 is a schematic view of a high temperature resistant exhaust gas treatment apparatus; the following describes in detail a high temperature resistant exhaust gas treatment device provided by an embodiment of the present invention with reference to fig. 1.
Fig. 1 is a schematic view of a high temperature resistant exhaust gas treatment device provided by an embodiment of the present invention, as shown in fig. 1, the high temperature resistant exhaust gas treatment device includes: the device comprises a reaction cavity 1, an air inlet 2, a plasma double tube 3, a support 4, a high-voltage power supply 5, a filter screen 6, a water-cooled magnetron 7, a microwave window 8, a power distribution cabinet 9 and an air outlet 10.
In the embodiment of the present invention, the reaction chamber 1 is made of high temperature resistant metal material. The inside of reaction chamber still includes the insulating layer, and the insulating layer is used for preventing the reaction chamber corruption.
For example, the heat insulating material may be a material made of ceramic fiber as a main raw material, and the material is manufactured by a wet forming process and has the properties of high temperature resistance, chemical corrosion resistance, thermal shock resistance, low thermal conductivity, high electrical insulation strength, high elastic modulus and the like. Such as asbestos, diatomaceous earth, perlite, fiberglass, foam glass concrete, calcium silicate, and the like.
Metal nets are respectively arranged at the air inlet 2 and the air outlet 10.
In the embodiment of the utility model provides an in, the aperture of metal mesh is less than or equal to 3 mm. In order to prevent the microwave leakage, metal meshes are respectively arranged at the gas inlet 2 and the gas outlet 10 of the reaction chamber 1. It should be noted that when the human body is very close to the microwave radiation source for a long time, the excessive radiation energy may cause dizziness, sleep disorder, hypomnesis, bradycardia, and blood pressure decrease. When the microwave leakage reaches 1mw/cm2When it occurs, the eyes feel suddenly dazzled, the vision is degraded, and even cataract is caused. In order to ensure the health of users, metal nets are arranged at the air inlet 2 and the air outlet 10 and at corners, and the corners can generate microwave discharge under the action of microwaves, so that dangerous accidents are easy to happen. The metal mesh can block microwave leakage, reduce the damage of microwave to human body, and improve the safety of the waste gas treatment equipment.
The microwave source comprises a plurality of microwave sources which are uniformly arranged outside the reaction cavity 1.
In the embodiment of the present invention, the microwave source is a device for generating microwave energy, which is called a microwave source. The microwave sources are uniformly distributed on the side wall of the microwave cavity. 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 water-cooled magnetron 7. The water-cooled magnetron 7 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.
Optionally, the high voltage power supply 5 in the embodiment of the present invention is a negative high voltage dc power supply, and the negative high voltage dc power supply is-30 KV to-4 KV.
Optionally, the plasma double-tube 3 comprises a plurality of plasma double-tubes 3, and the plurality of plasma double-tubes 3 are connected with the high-temperature power supply.
In the embodiment of the present invention, the plasma Double tube 3 is a plasma generator that generates plasma in a Double Dielectric Barrier Discharge (DDBD) manner. When the voltage of the external high voltage power supply 5 reaches the discharge voltage of the gas under the action of the high voltage power supply 5, the gas is broken down, creating a mixture including electrons, various ions, atoms and radicals. The pollutant molecules are decomposed in a very short time by utilizing the action of active particles such as high-energy electrons, free radicals and the like and pollutants in the exhaust gas, and various subsequent reactions are carried out to achieve the purpose of degrading the pollutants.
It should be noted that the working principle of the plasma waste gas treatment device is as follows: gas molecules in the air are ionized under the action of the high-voltage power supply 5 to generate a large amount of particles such as electrons, active free radicals, atoms, excited molecules and the like, and the particles have high reaction activity. Under the action of high voltage direct current, the generated high-energy electrons and gas molecules or atoms in the air generate inelastic collision to initiate free radicals, and the free radicals and waste gas molecules are combined to react, so that the aim of evolution and treatment of waste gas is fulfilled.
Wherein, the water-cooled magnetron 7, the microwave window 8 and the power distribution cabinet 9 form a microwave source; the plasma double tube 3 is fixed on the bracket 4; the air inlet 2 and the air outlet 10 are respectively provided with a filter screen 6; the high-voltage power supply 5 is connected with the plasma double tube 3; the microwave source is arranged outside the reaction chamber 1.
Optionally, the filter screen 6 is a high temperature resistant filter screen 6, and is used for filtering the waste gas entering the reaction chamber 1 for the first time, and filtering out large particles.
In the embodiment of the utility model provides an in, switch board 9 is used for supplying power alone for the microwave source. The water-cooled magnetron 7 is used for cooling a heated microwave source, and microwaves enter the reaction cavity 1 through the microwave window 8. Wherein, a preset distance is kept between the power distribution cabinet 9 and the water-cooling magnetron 7, thereby preventing fire caused by overhigh temperature when the microwave source works. Thereby achieving double protection and ensuring higher safety of the microwave source.
The embodiment of the utility model provides an in, waste gas passes through filter screen 6 through air inlet 2 in proper order, gets into reaction chamber 1 behind the metal mesh, under high voltage power supply 5's effect, fixes the double-barrelled 3 work of plasma on support 4 in reaction chamber 1, produces plasma. The plasma and the microwave in the reaction chamber 1 simultaneously treat the waste gas, and the treated gas is discharged from the gas outlet 10, so that the treatment efficiency of the waste gas is improved.
The embodiment discloses a high temperature resistant exhaust-gas treatment equipment, a high temperature resistant exhaust-gas treatment equipment includes: the device comprises a reaction cavity 1, an air inlet 2, a plasma double tube 3, a bracket 4, a high-voltage power supply 5, a filter screen 6, a water-cooled magnetron 7, a microwave window 8, a power distribution cabinet 9 and an air outlet 10; wherein, the water-cooled magnetron 7, the microwave window 8 and the power distribution cabinet 9 form a microwave source; the plasma double tube 3 is fixed on the bracket 4; the air inlet 2 and the air outlet 10 are respectively provided with a filter screen 6; the high-voltage power supply 5 is connected with the plasma double tube 3; the microwave source is arranged outside the reaction chamber 1. That is to say, the utility model discloses based on microwave source and plasma are double-barrelled to waste gas treatment, avoided the phenomenon that exhaust-gas treatment equipment corrodes under high temperature environment, promoted the life of equipment when having improved the efficiency of waste gas.
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 (6)
1. A high temperature resistant exhaust gas treatment device, comprising: the device comprises a reaction cavity, an air inlet, a plasma double tube, a bracket, a high-voltage power supply, a filter screen, a water-cooled magnetron, a microwave window, a power distribution cabinet and an air outlet;
the water-cooled magnetron, the microwave window and the power distribution cabinet form a microwave source; the plasma double tube is fixed on the bracket; the air inlet and the air outlet are respectively provided with a filter screen; the high-voltage power supply is connected with the plasma double tube; the microwave source is disposed outside the reaction chamber.
2. The high-temperature-resistant exhaust gas treatment device according to claim 1, wherein the reaction chamber is made of metal.
3. The high temperature resistant exhaust gas treatment apparatus of claim 2, wherein the interior of the reaction chamber further comprises a thermal insulation layer for preventing corrosion of the reaction chamber.
4. The high-temperature-resistant exhaust gas treatment device according to claim 1, wherein a metal mesh is further provided at each of the gas inlet and the gas outlet.
5. The high-temperature-resistant exhaust gas treatment device according to claim 1, wherein the microwave source comprises a plurality of microwave sources, and the plurality of microwave sources are uniformly arranged outside the reaction chamber.
6. The high-temperature-resistant exhaust gas treatment apparatus according to claim 1, wherein the plasma double tube includes a plurality of plasma double tubes, and the plurality of plasma double tubes are connected to the high-voltage power supply.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021499258.8U CN212701266U (en) | 2020-07-27 | 2020-07-27 | High temperature resistant exhaust-gas treatment equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021499258.8U CN212701266U (en) | 2020-07-27 | 2020-07-27 | High temperature resistant exhaust-gas treatment equipment |
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| CN212701266U true CN212701266U (en) | 2021-03-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114471067A (en) * | 2020-11-12 | 2022-05-13 | 陕西青朗万城环保科技有限公司 | Method for treating high-temperature waste gas and control system thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114471067A (en) * | 2020-11-12 | 2022-05-13 | 陕西青朗万城环保科技有限公司 | Method for treating high-temperature waste gas and control system thereof |
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