CN212999259U - Dust and gas separation device for waste gas - Google Patents
Dust and gas separation device for waste gas Download PDFInfo
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- CN212999259U CN212999259U CN202021402912.9U CN202021402912U CN212999259U CN 212999259 U CN212999259 U CN 212999259U CN 202021402912 U CN202021402912 U CN 202021402912U CN 212999259 U CN212999259 U CN 212999259U
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Abstract
The utility model provides a dust and gas separation device of waste gas relates to exhaust-gas treatment technical field, include: the device comprises a reaction cavity, an air inlet, a microwave source, a high-voltage power supply, a magnetic ring, a core wire, an electrode plate, a dust collector and an air outlet; wherein, the microwave source is arranged at the top of the reaction cavity; the electrode plate is arranged on the inner wall of the reaction cavity; the magnetic rings are arranged at the corresponding positions of the top and the bottom of the reaction cavity; the positive pole of the high-voltage power supply is connected with the core wire, the negative pole of the high-voltage power supply is connected with the electrode plate, and plasma is generated between the core wire and the electrode plate; waste gas enters the reaction cavity from the gas inlet, under the combined action of the microwave source, the plasma and the magnetic ring, dust and gas in the waste gas are separated, the dust is collected in the dust collector, and the treated gas is discharged from the gas outlet. The utility model discloses when carrying out the separation based on dust and gas in magnetic force to the waste gas, further carry out effective treatment to the gas after the separation based on microwave and plasma, improved the efficiency of waste gas, equipment structure is simple moreover.
Description
Technical Field
The utility model relates to a waste gas treatment technical field particularly, relates to a dust and gas separation device of waste gas.
Background
With the continuous development of industrial manufacturing enterprises in China, environmental pollution caused by industrial waste gas and dust 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.
The current chemical industry waste gas treatment method mainly comprises thermal combustion, catalytic combustion, absorption and adsorption, condensation recovery, biological treatment, corona discharge and the like. However, these methods are mainly applicable to a single plasma treatment technique or a microwave treatment technique for treating exhaust gas.
However, the dust and gas separating apparatus for the exhaust gas in the prior art has a problem that only the treatment of the gas can be satisfied, and when the dust exists in the exhaust gas, the dust in the exhaust gas cannot be effectively treated, so that the purpose of treating the exhaust gas cannot be well achieved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dust and gas separation device of waste gas to the not enough of existence among the above-mentioned prior art exhaust-gas treatment technique to when having the dust among the solution prior art in the waste gas, thereby can not make the dust in the waste gas obtain the problem that the effectual processing can not reach the purpose of fine processing waste gas.
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 dust and gas separation device of waste gas, include: the device comprises a reaction cavity, an air inlet, a microwave source, a high-voltage power supply, a magnetic ring, a core wire, an electrode plate, a dust collector and an air outlet;
wherein the microwave source is arranged at the top of the reaction cavity; the electrode plate is arranged on the inner wall of the reaction cavity; the magnetic rings are arranged at the top and the bottom of the reaction cavity correspondingly; the positive pole of the high-voltage power supply is connected with the core wire, the negative pole of the high-voltage power supply is connected with the electrode plate, and plasma is generated between the core wire and the electrode plate; waste gas enters the reaction cavity from the gas inlet, under the combined action of the microwave source, the plasma and the magnetic ring, dust and gas in the waste gas are separated, the dust is collected in the dust collector, and the treated gas is discharged from the gas outlet.
Optionally, the magnetic ring at the top of the reaction chamber is fixed, the magnetic ring at the bottom of the reaction chamber is adjustable, and the height between the top magnetic ring and the bottom magnetic ring is adjusted based on the magnetic force.
Optionally, the dust collector is disposed at the bottom of the reaction chamber.
Optionally, the microwave sources include a plurality of microwave sources, and the plurality of microwave sources are arranged on the top of the reaction cavity in an array manner.
Optionally, a plurality of metal needles are arranged on the surface of the electrode plate.
Optionally, the high-voltage power supply is a negative high-voltage direct-current power supply of-30 KV to-4 KV.
The utility model has the advantages that: an apparatus for separating dust and gas of exhaust gas, comprising: the device comprises a reaction cavity, an air inlet, a microwave source, a high-voltage power supply, a magnetic ring, a core wire, an electrode plate, a dust collector and an air outlet; wherein the microwave source is arranged at the top of the reaction cavity; the electrode plate is arranged on the inner wall of the reaction cavity; the magnetic rings are arranged at the top and the bottom of the reaction cavity correspondingly; the positive pole of the high-voltage power supply is connected with the core wire, the negative pole of the high-voltage power supply is connected with the electrode plate, and plasma is generated between the core wire and the electrode plate; waste gas enters the reaction cavity from the gas inlet, under the combined action of the microwave source, the plasma and the magnetic ring, dust and gas in the waste gas are separated, the dust is collected in the dust collector, and the treated gas is discharged from the gas outlet. That is to say, the utility model discloses when carrying out the separation based on dust and gas in the magnetic force to the waste gas, further carry out effective processing to the gas after the separation based on microwave and plasma, improved the efficiency of waste gas, equipment structure is simple moreover.
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 apparatus for separating dust from gas in exhaust gas according to an embodiment of the present invention.
Icon: 1-reaction chamber, 2-air inlet, 3-microwave source, 4-high voltage power supply, 5-magnetic ring, 6-core wire, 7-electrode plate, 8-dust collector and 9-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.
An electrode: refers to a component in an electronic or electrical device, equipment, which is used as two ends for inputting or outputting current in a conductive medium (solid, gas, vacuum or electrolyte solution). One pole of the input current is called anode or positive pole, and the other pole of the output current is called cathode or negative pole.
FIG. 1 is a schematic view of a dust and gas separating apparatus for exhaust gases; the dust and gas separating apparatus for waste gas according to the embodiment of the present invention will be described in detail with reference to fig. 1.
Fig. 1 is a schematic view of a dust and gas separating device for waste gas according to an embodiment of the present invention, as shown in fig. 1, the dust and gas separating device for waste gas includes: reaction chamber 1, air inlet 2, microwave source 3, high voltage power supply 4, magnetic ring 5, heart yearn 6, electrode plate 7, dust arrester 8 and gas outlet 9.
In the embodiment of the present invention, the reaction chamber 1 is a metal can, and the metal is a high temperature resistant metal material. The microwave source 3 refers to a device for generating microwave energy, referred to as a microwave source. Here, the microwave source 3 includes a plurality of microwave sources 3 distributed in an array on the top of the reaction chamber. 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 invention, the microwave sources 3 comprise a plurality of microwave sources 3, and the plurality of microwave sources 3 are arranged on the top of the reaction cavity in an array manner.
The core wire 6 is inserted into the metal can reaction chamber 1, the core wire 6(cored wire) is a wire body with a round or rectangular section, which is made of steel sheet as an outer sleeve and filled with iron alloy powder as a core material.
Optionally, a plurality of metal needles are disposed on the surface of the electrode plate 7.
In the embodiment of the utility model provides an in, the metal needle indicates high temperature resistance metal needle. Under the action of strong electric field, the equipotential surface is dense at the place with large curvature of the object surface (such as the top of sharp and fine objects), and the electric field intensity is increased sharply, so that the air nearby the equipotential surface is ionized to generate gas discharge.
Optionally, the high voltage power supply 4 is a negative high voltage direct current power supply of-30 KV-4 KV.
Optionally, the magnetic ring 5 at the top of the reaction chamber 1 is fixed, the magnetic ring at the bottom of the reaction chamber 1 is adjustable, and the height between the top magnetic ring and the bottom magnetic ring is adjusted based on the magnetic force.
In the embodiment of the present invention, the magnetic ring is an annular magnetizer, and the magnet type: shape-like magnet: square magnet, tile shape magnet, special-shaped magnet, cylindrical magnet, ring magnet, disk magnet, bar magnet, magnetic force frame magnet, attribute class magnet: samarium cobalt magnet, neodymium iron boron magnet (powerful magnet), ferrite magnet, alnico magnet, iron chromium cobalt magnet, trade class magnet: magnetic components, motor magnets, rubber magnets, plastic magnets, and the like. Here, the utility model discloses a ring magnet, the fixed magnetic ring 5 that sets up in reaction chamber 1 top. The bottom of the reaction chamber 1 is provided with an adjusting bracket, and the other magnetic ring 5 is fixed on the adjusting bracket. Exemplarily, a user can adjust the bracket according to actual requirements, so that the height of the magnetic ring 5 at the bottom of the reaction chamber 1 is reached, and the purpose of adjusting the magnetic force is further achieved.
Optionally, a dust collector 8 is provided at the bottom of the reaction chamber 1.
The waste gas, which contains dust by way of example, enters the reaction chamber 1 from the inlet 2 by means of a fan, and during rotation, centrifugal forces are generated, which throw particles with a density greater than that of the gas towards the walls of the reaction chamber, and once they have come into contact with the reaction, they lose their inertia force and fall along the walls by the momentum of the inlet velocity and the downward gravitational force, and finally fall into the dust collector 8.
Optionally, the core wire 6 is arranged inside the reaction chamber 1; under the action of the high-voltage power supply 4, discharge plasma is generated between the core wire 6 and the side wall of the reaction chamber 1.
It should be noted that the working principle of the exhaust gas treatment is as follows: gas molecules in the air are ionized under the action of the negative high-voltage direct-current power supply 4 to generate a large number 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 microwave source 3 is arranged at the top of the reaction cavity 1; the electrode plate 7 is arranged on the inner wall of the reaction cavity 1; the magnetic rings 5 are arranged at the corresponding positions of the top and the bottom of the reaction cavity 1; the positive pole of the high-voltage power supply 4 is connected with the core wire 6, the negative pole is connected with the electrode plate 7, and plasma is generated between the core wire 6 and the electrode plate 7; waste gas enters the reaction cavity 1 from the gas inlet 2, under the combined action of the microwave source 3, the plasma and the magnetic ring 5, dust and gas in the waste gas are separated, the dust is collected in the dust collector 8, and the treated gas is discharged from the gas outlet 9.
The embodiment of the utility model provides an in, dust and gas in the waste gas separate, and is further, handle the gas after the separation under microwave and plasma combined action, obtain the gas after handling to gas after handling is discharged from gas outlet 9.
The air inlet and the treatment port of the waste gas dust and gas separation device are respectively provided with a metal net, and the aperture of the metal net is less than or equal to 3 mm. Here, in order to prevent the leakage of the microwave, the dust of the exhaust gas and the gas inlet and outlet of the gas separating apparatus are provided with metal meshes, respectively. When the human body is in close distance with the microwave radiation source for a long time, the human body is subjected to excessive radiation energyResulting in 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 inlet and the outlet of the reaction cavity, 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 system.
Furthermore, a filter screen is arranged at the air outlet 3 of the dust and gas separation device of the waste gas, and the filter screen is used for filtering particles generated after the molecules of the waste gas to be treated react. Wherein, the filter screen is replaceable to be convenient for later maintenance.
In the embodiment of the present invention, the core wire 6 is used as a positive electrode, and the electrode refers to a component in the plasma waste gas treatment device, and is used as two ends for inputting or outputting current in a conducting medium (solid, gas, vacuum or electrolyte solution), wherein the conducting medium in the embodiment is gas. Alternatively, the electrode may be a metal electrode, and the specific material of the electrode is not particularly limited herein.
The embodiment discloses a dust and gas separating device for waste gas, which comprises a reaction cavity 1, a gas inlet 2, a microwave source 3, a high-voltage power supply 4, a magnetic ring 5, a core wire 6, an electrode plate 7, a dust collector 8 and a gas outlet 9; wherein, the microwave source 3 is arranged at the top of the reaction cavity 1; the electrode plate 7 is arranged on the inner wall of the reaction cavity 1; the magnetic rings 5 are arranged at the corresponding positions of the top and the bottom of the reaction cavity 1; the positive pole of the high-voltage power supply 4 is connected with the core wire 6, the negative pole is connected with the electrode plate connection 7, and plasma is generated between the core wire 6 and the electrode plate 7; waste gas enters the reaction cavity 1 from the gas inlet 2, under the combined action of the microwave source 3, the plasma and the magnetic ring 5, dust and gas in the waste gas are separated, the dust is collected in the dust collector, and the treated gas is discharged from the gas outlet 9. That is to say, the utility model discloses when carrying out the separation based on dust and gas in the magnetic force to the waste gas, further carry out effective processing to the gas after the separation based on microwave and plasma, improved the efficiency of waste gas, equipment structure is simple moreover.
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. An apparatus for separating dust and gas from exhaust gas, comprising: the device comprises a reaction cavity, an air inlet, a microwave source, a high-voltage power supply, a magnetic ring, a core wire, an electrode plate, a dust collector and an air outlet;
wherein the microwave source is arranged at the top of the reaction cavity; the electrode plate is arranged on the inner wall of the reaction cavity; the magnetic rings are arranged at the top and the bottom of the reaction cavity correspondingly; the positive pole of the high-voltage power supply is connected with the core wire, the negative pole of the high-voltage power supply is connected with the electrode plate, and plasma is generated between the core wire and the electrode plate; waste gas enters the reaction cavity from the gas inlet, under the combined action of the microwave source, the plasma and the magnetic ring, dust and gas in the waste gas are separated, the dust is collected in the dust collector, and the treated gas is discharged from the gas outlet.
2. The apparatus as claimed in claim 1, wherein the magnetic ring at the top of the reaction chamber is fixed, the magnetic ring at the bottom of the reaction chamber is adjustable, and the height between the magnetic ring at the top and the magnetic ring at the bottom is adjusted based on the magnitude of the magnetic force.
3. The apparatus for separating dust from gas of exhaust gas according to claim 1, wherein the dust collector is disposed at a bottom of the reaction chamber.
4. The apparatus for separating dust from gas of exhaust gas according to claim 1, wherein the microwave sources comprise a plurality of microwave sources arranged in an array on top of the reaction chamber.
5. The apparatus for separating dust from gas of exhaust gas according to claim 1, wherein a plurality of metal needles are provided on the surface of the electrode plate.
6. The apparatus for separating dust from gas in exhaust gas according to claim 1, wherein the high voltage power source is a negative high voltage dc power source of-30 KV to-4 KV.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021402912.9U CN212999259U (en) | 2020-07-16 | 2020-07-16 | Dust and gas separation device for waste gas |
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| CN202021402912.9U CN212999259U (en) | 2020-07-16 | 2020-07-16 | Dust and gas separation device for waste gas |
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| CN212999259U true CN212999259U (en) | 2021-04-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113941439A (en) * | 2020-07-16 | 2022-01-18 | 陕西青朗万城环保科技有限公司 | A kind of comprehensive treatment method of waste gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113941439A (en) * | 2020-07-16 | 2022-01-18 | 陕西青朗万城环保科技有限公司 | A kind of comprehensive treatment method of waste gas |
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