CN114100302B - Waste gas treatment method based on single microwave source and control system thereof - Google Patents
Waste gas treatment method based on single microwave source and control system thereof Download PDFInfo
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- CN114100302B CN114100302B CN202010881912.XA CN202010881912A CN114100302B CN 114100302 B CN114100302 B CN 114100302B CN 202010881912 A CN202010881912 A CN 202010881912A CN 114100302 B CN114100302 B CN 114100302B
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- 238000000034 method Methods 0.000 title claims abstract description 45
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 62
- 230000009471 action Effects 0.000 claims abstract description 11
- 238000007599 discharging Methods 0.000 claims description 3
- 238000004886 process control Methods 0.000 claims 1
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- 229910052760 oxygen Inorganic materials 0.000 description 12
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- 230000008569 process Effects 0.000 description 8
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- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 2
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- 238000009776 industrial production Methods 0.000 description 2
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- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
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- 150000001555 benzenes Chemical class 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- GMGLYSIINJPYLI-UHFFFAOYSA-N butan-2-one;propan-2-one Chemical compound CC(C)=O.CCC(C)=O GMGLYSIINJPYLI-UHFFFAOYSA-N 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
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- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
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- 150000002576 ketones Chemical class 0.000 description 1
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- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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- -1 polytetrafluoroethylene Polymers 0.000 description 1
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- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 229910052815 sulfur oxide Inorganic materials 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/007—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by irradiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/10—Single element gases other than halogens
- B01D2257/102—Nitrogen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/10—Single element gases other than halogens
- B01D2257/104—Oxygen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/10—Single element gases other than halogens
- B01D2257/106—Ozone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/304—Hydrogen sulfide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
- B01D2257/406—Ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/50—Carbon oxides
- B01D2257/502—Carbon monoxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Treating Waste Gases (AREA)
Abstract
The embodiment of the invention provides an exhaust gas treatment method based on a single microwave source and a control system thereof, and relates to the technical field of exhaust gas treatment, wherein the method is applied to exhaust gas treatment equipment based on the single microwave source, and comprises the following steps: acquiring first indication information of the waste gas to be treated entering the reaction cavity; determining a target adjustment strategy for adjusting the electrodeless ultraviolet lamp tube in the reaction cavity based on the first indication information; and carrying out target treatment on the waste gas to be treated according to the first microwave source and the target adjustment strategy. That is, the invention realizes the microwave treatment and the electrodeless microwave ultraviolet treatment of the waste gas to be treated under the action of a single high-power microwave source, and then the harmless gas obtained after the treatment is discharged through the gas outlet.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to a waste gas treatment method based on a single microwave source and a control system thereof.
Background
With the rapid improvement of social production technology, chemical plants, steel plants, pharmaceutical plants, coking plants, oil refineries and the like and the life of human beings generate domestic waste gas, and the discharged waste gas has large odor, seriously pollutes the environment and affects the health of human bodies, so how to efficiently treat the waste gas is always a hot spot problem.
In the conventional technology, exhaust gas is jointly treated by arranging a plurality of low-power microwave sources at the top of a reaction cavity and arranging an ultraviolet lamp tube in the reaction cavity.
However, the device for treating the exhaust gas in the conventional technology needs a plurality of microwave sources to achieve the purpose of jointly treating the exhaust gas, so that the efficiency of treating the exhaust gas is low and the cost is high.
Disclosure of Invention
The invention aims to provide a waste gas treatment method based on a single microwave source and a control system thereof, aiming at the defects of the waste gas treatment method in the prior art in the waste gas treatment process, so as to solve the problems of low waste gas treatment efficiency and high cost caused by the fact that the waste gas treatment method in the prior art needs a plurality of microwave sources to realize combined treatment of waste gas.
In order to achieve the above purpose, the technical scheme adopted by the embodiment of the invention is as follows:
in a first aspect, the present invention provides a method for treating exhaust gas based on a single microwave source, the method being applied to an exhaust gas treatment device based on a single microwave source, the method comprising:
acquiring first indication information of the waste gas to be treated entering the reaction cavity;
determining a target adjustment strategy for adjusting the electrodeless ultraviolet lamp tube in the reaction cavity based on the first indication information;
and carrying out target treatment on the waste gas to be treated according to the first microwave source and the target adjustment strategy.
Optionally, when the number of the electrodeless ultraviolet lamps is multiple, determining an adjustment strategy for adjusting the interval between the electrodeless ultraviolet lamps in the reaction chamber based on the first indication information includes:
acquiring first parameter information of an electrodeless ultraviolet lamp tube in a reaction cavity; wherein the first parameter information includes an arrangement mode and an arrangement number;
and determining a target adjustment strategy matched with the first parameter information based on the first indication information.
Optionally, when the first indication information carries the first air volume of the exhaust gas to be treated, the determining, based on the first indication information, a target adjustment policy matched with the first parameter information includes:
acquiring current arrangement information of electrodeless ultraviolet lamps in a reaction cavity;
and when the current arrangement information is not matched with the first air quantity, determining a target adjustment strategy matched with the first air quantity.
Optionally, the target adjustment policy includes: and adjusting the interval between the electrodeless ultraviolet lamps on the basis of the current arrangement information.
Optionally, the performing target treatment on the exhaust gas to be treated according to the first microwave source and the target adjustment strategy includes:
acquiring first microwaves generated by a first microwave source;
and controlling the first microwave and electrodeless ultraviolet lamp tube to perform target treatment on the waste gas to be treated based on the action of the target adjustment strategy.
Optionally, the method further comprises:
and discharging the gas subjected to the target treatment from a gas outlet.
Optionally, the obtaining the first indication information that the waste gas to be treated enters the reaction chamber includes:
acquiring the gas concentration detected by a concentration sensor;
acquiring a comparison result between the gas concentration and a preset concentration reference value;
and acquiring first indication information comprising that the gas concentration is greater than or equal to the concentration reference value according to the size comparison result.
In a second aspect, the present invention also provides an exhaust gas treatment device based on a single microwave source, comprising: microwave source, microwave loudspeaker, reaction chamber, include in the reaction chamber: the device comprises an air inlet, an air equalizer, a bracket, a lamp tube, a first metal net, a second metal net and an air outlet;
the microwave source and the microwave horn are respectively arranged outside the reaction cavity, the air inlet is provided with a first metal net, the air outlet is provided with a second metal net, the air inlet and the air outlet are both arranged on the reaction cavity, one end of the microwave source is connected with one end of the microwave horn, the other end of the microwave horn is connected with one end of the air homogenizing device, the other end of the air homogenizing device is connected with the lamp tube, and the lamp tube is arranged on the support.
In a third aspect, the present invention also provides an exhaust gas treatment device based on a single microwave source, comprising: the device comprises an acquisition module, a determination module and a processing module, wherein:
the acquisition module is used for acquiring first indication information of the waste gas to be treated entering the reaction cavity;
the determining module is used for determining a target adjusting strategy for adjusting the electrodeless ultraviolet lamp tube in the reaction cavity based on the first indication information;
and the treatment module is used for carrying out target treatment on the waste gas to be treated according to the first microwave source and the target adjustment strategy.
In a fourth aspect, the present invention also discloses an exhaust gas treatment control device based on a single microwave source, the control device comprising: a processor and a memory for storing instructions for executing the instructions stored in the memory to cause the apparatus to perform the single microwave source based exhaust treatment method as described in the first aspect above.
The beneficial effects of the invention are as follows: the invention discloses an exhaust gas treatment method based on a single microwave source and a control system thereof, wherein the method is applied to exhaust gas treatment equipment based on the single microwave source, and comprises the following steps: acquiring first indication information of the waste gas to be treated entering the reaction cavity; determining a target adjustment strategy for adjusting the electrodeless ultraviolet lamp tube in the reaction cavity based on the first indication information; and carrying out target treatment on the waste gas to be treated according to the first microwave source and the target adjustment strategy. That is, the invention realizes the microwave treatment and the electrodeless microwave ultraviolet treatment of the waste gas to be treated under the action of a single high-power microwave source, and then the harmless gas obtained after the treatment is discharged through the gas outlet.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of an exhaust treatment method based on a single microwave source according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an exhaust treatment device based on a single microwave source according to another embodiment of the present invention;
FIG. 3 is a schematic diagram of an exhaust treatment device based on a single microwave source according to another embodiment of the present invention;
fig. 4 is a schematic diagram of an exhaust gas treatment control device based on a single microwave source according to another embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of 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 apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention 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 invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its 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 explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
First, the terms involved in the present invention will be explained:
waste gas refers to poisonous and harmful gases discharged by human beings in the production and living processes, and contains a plurality of pollutant types, and has very complex physical and chemical properties and different toxicity; the exhaust gas discharged by the combustion of the fuel contains sulfur dioxide, nitrogen oxides (NOx), hydrocarbon and the like; various harmful gases and solid wastes are discharged due to different raw materials and processes used in industrial production, and various components such as heavy metals, salts and radioactive substances are contained; the tail gas discharged from the automobile contains lead, benzene, phenol and other hydrocarbon compounds. Industrial waste gas includes organic waste gas and inorganic waste gas. The organic waste gas mainly comprises various hydrocarbons, alcohols, aldehydes, acids, ketones, amines and the like; the inorganic exhaust gas mainly includes sulfur oxides, nitrogen oxides, carbon oxides, halogens, compounds thereof, and the like.
Organic waste gas treatment refers to the treatment work of adsorbing, filtering and purifying organic waste gas generated in the industrial production process. The general organic waste gas treatment includes formaldehyde organic waste gas treatment, benzene series organic waste gas treatment such as benzene toluene xylene, acetone butanone organic waste gas treatment, ethyl acetate waste gas treatment, oil mist organic waste gas treatment, furfural organic waste gas treatment, styrene, acrylic acid organic waste gas treatment, resin organic waste gas treatment, additive organic waste gas treatment, paint mist organic waste gas treatment, tenna water organic waste gas treatment and other organic matters containing carbon and hydrogen and oxygen.
Fig. 1 is a schematic flow chart of an exhaust gas treatment method based on a single microwave source according to an embodiment of the present invention, fig. 2 is a schematic structural diagram of an exhaust gas treatment device based on a single microwave source according to another embodiment of the present invention, and fig. 3 is a schematic diagram of an exhaust gas treatment apparatus based on a single microwave source according to another embodiment of the present invention; fig. 4 is a schematic diagram of an exhaust gas treatment control device based on a single microwave source according to another embodiment of the present invention. An exhaust gas treatment method and a control system thereof based on a single microwave source according to an embodiment of the present invention will be described in detail below with reference to fig. 1 to 4.
The technical solutions in 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.
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The exhaust gas treatment method based on the single microwave source provided by the embodiment of the invention is applied to an exhaust gas treatment device based on the single microwave source, and as shown in fig. 1, a flow chart of the exhaust gas treatment method based on the single microwave source is shown, and the steps included in the method are specifically described with reference to fig. 1.
Step S101: and acquiring first indication information of the waste gas to be treated entering the reaction cavity.
Wherein, the waste gas to be treated refers to toxic and harmful gas exhausted by human beings in the production and living processes. Optionally, the exhaust gas to be treated includes: oxygen O 2 Nitrogen N 2 Volatile organic compounds (VolatileOrganicCompounds, VOCs), CO and NH 3 And hydrogen sulfide H 2 S, ozoneO 3 And unpleasant odors or unpleasant gases.
In the embodiment of the present invention, step S101 may be implemented by the following substeps.
Step S1011: the gas concentration detected by the concentration sensor is acquired.
In particular, a sensor may be provided at the gas inlet of the exhaust gas treatment device based on a single microwave source, the sensor being arranged to detect the concentration of gas entering from the gas inlet. Optionally, the sensor may also detect the flow rate of gas entering from the gas inlet and/or the amount of gas, as this is not limiting.
Step S1012: and obtaining a comparison result of the gas concentration and a preset concentration reference value.
Wherein the preset concentration reference value can be used for representing toxic and harmful substances contained in the gas to judge that the gas is waste gas.
Specifically, after the gas concentration detected by the concentration detector is obtained, the gas concentration may be compared with a preset concentration reference value to obtain a comparison result between the gas concentration and the concentration reference value.
Step S1013: and acquiring the first indication information according to the size comparison result, wherein the first indication information comprises first indication information that the gas concentration is greater than or equal to the concentration reference value.
Specifically, after the comparison result between the gas concentration and the preset concentration reference value is analyzed, when the first indication information is obtained, and the first indication information includes the first indication information that the gas concentration is greater than or equal to the concentration reference value, the gas entering from the gas inlet at present can be considered to be the waste gas to be treated.
In the actual processing process, after the comparison result between the gas concentration and the preset concentration reference value is analyzed, when the first indication information is obtained, and the first indication information comprises the first indication information that the gas concentration is smaller than the concentration reference value, the gas entering from the gas inlet at present can be considered to be harmless gas.
Alternatively, if the first indication information including the concentration of the gas greater than or equal to the concentration reference value is not obtained within the preset period of time, or the first indication information including the concentration of the gas less than the concentration reference value is obtained within the preset period of time, it may be considered that the exhaust gas treatment is not performed temporarily or the exhaust gas treatment operation is finished, so that the first microwave source may be controlled to be turned off, thereby prolonging the service life of each device in the apparatus. The preset time length can be set manually according to actual needs.
Step S102: and determining a target adjustment strategy for adjusting the electrodeless ultraviolet lamp tube in the reaction cavity based on the first indication information.
Specifically, when the first indication information including that the gas concentration is greater than or equal to the concentration reference value is obtained, the waste gas to be treated is considered to enter the reaction cavity, and at this time, a target adjustment strategy for adjusting the electrodeless ultraviolet lamp tube in the reaction cavity can be determined so as to convey the waste gas to be treated to the rear for microwave treatment and electrodeless ultraviolet treatment.
In the embodiment of the present invention, step S102 may be implemented by the following substeps.
Step S1021: acquiring first parameter information of an electrodeless ultraviolet lamp tube in a reaction cavity; the first parameter information includes an arrangement mode and an arrangement number.
Specifically, the electrodeless ultraviolet lamps in the reaction cavity may include a plurality of rows, and the electrodeless ultraviolet lamp arrays in the plurality of rows are arranged, and the front electrodeless ultraviolet lamp is sparse, and the rear electrodeless ultraviolet lamp is dense, so when the exhaust gas to be treated enters from the gas inlet, first parameter information of the electrodeless ultraviolet lamps in the reaction cavity, that is, a current arrangement mode and an arrangement number of the electrodeless ultraviolet lamps, where the arrangement number may include a total arrangement number of the electrodeless ultraviolet lamps, may be acquired first.
Step S1022: and determining a target adjustment strategy matched with the first parameter information based on the first indication information.
Specifically, when first indication information including that the gas concentration is greater than or equal to the concentration reference value is obtained and the first indication information carries first air quantity of waste gas to be treated, current arrangement information of electrodeless ultraviolet lamps in a reaction cavity can be obtained first, and then whether the current arrangement information is matched with the first air quantity is judged. And when the current arrangement information is not matched with the first air quantity, determining a target adjustment strategy matched with the first air quantity.
For example, when the current arrangement information includes that the front end electrodeless ultraviolet lamp tube sparseness is low, the rear end electrodeless ultraviolet lamp tube density is high, and the first air quantity is greater than a preset air quantity reference value, the current arrangement information is not matched with the first air quantity; wherein the air volume reference value can be used for representing that the air flow rate of the waste gas to be treated is large enough.
Optionally, the target adjustment policy may include: and adjusting the interval between the electrodeless ultraviolet lamps on the basis of the current arrangement information. So that the arrangement information of the adjusted electrodeless ultraviolet lamp tube is matched with the first air quantity.
Step S103: and carrying out target treatment on the waste gas to be treated according to the first microwave source and the target adjustment strategy.
Specifically, first microwaves generated by the first microwave source can enter the reaction cavity under the action of the waveguide and the microwave horn, and the first microwaves can be conveyed to the rear along with the adjustment of the distance between the electrodeless ultraviolet lamp tubes so as to carry out microwave treatment and electrodeless ultraviolet treatment on waste gas to be treated. Wherein the target process may include a microwave process and an electrodeless ultraviolet process.
In the embodiment of the present invention, step S103 may be implemented by the following substeps.
Step S1031: a first microwave generated by a first microwave source is acquired.
The first microwave source can be a high-power and high-frequency microwave source, the power of the first microwave source can be 10kw, 15kw, 30kw, 50kw, 75kw and 100kw, and the frequency of the first microwave source can be 2.45G and 915 megabits.
Specifically, when the first indication information including that the gas concentration is greater than or equal to the concentration reference value is obtained, it indicates that the waste gas to be treated is conveyed into the reaction cavity from the gas inlet at this time, and then the first microwave source is started at this time to obtain first microwaves generated by the first microwave source. The first microwaves may be high-power and high-frequency microwaves.
Step S1032: and controlling the first microwave and electrodeless ultraviolet lamp tube to perform target treatment on the waste gas to be treated based on the action of the target adjustment strategy.
Specifically, when the first microwaves enter a treatment area formed by a plurality of rows of inorganic ultraviolet lamp tubes under the action of the target adjustment strategy, the first microwaves and the electrodeless ultraviolet lamp tubes are controlled to carry out target treatment on the waste gas to be treated, for example, when the first microwaves are conveyed to the rear along with the adjustment of the distance between the electrodeless ultraviolet lamp tubes, sulfur dioxide and/or nitrogen oxides in the waste gas to be treated can be removed and carbon particles can be collected by using the first microwaves, and the waste gas to be treated by using the electrodeless ultraviolet lamp to generate harmless gases such as ozone, carbon dioxide, water, oxygen and the like.
The first microwave source may release first microwaves, which may act on the exhaust gas to be treated, for effective treatment of the exhaust gas. Microwaves are electric waves having a frequency of 300 megahertz to 300 gigahertz. Ultraviolet light in a specific wavelength band (185 nanometers) can cause oxygen molecules in the air to generate free oxygen, i.e., active oxygen. The free oxygen is required to combine with oxygen molecules to generate ozone because of imbalance of positive and negative electrons carried by the free oxygen. Ozone is driven by first microwaves, so that the movement speed is increased, and the ozone can be quickly combined with waste gas to be treated to generate a reaction; and the other part, the first microwave energy directly breaks the long chain of the organic waste gas to form small molecular substances such as carbon dioxide, water, oxygen and the like.
Optionally, after step S103, the method further includes:
and discharging the gas subjected to the target treatment from a gas outlet.
Specifically, harmless gases such as ozone, carbon dioxide, water, oxygen, etc., which are generated after the target treatment, may be discharged through the gas outlet.
In the embodiment of the invention, when a controller in exhaust gas treatment equipment based on a single microwave source determines that exhaust gas to be treated of an air inlet enters a reaction cavity, the controller controls to start a first microwave source, acquires first microwaves generated by the first microwave source, determines a target adjustment strategy for adjusting electrodeless ultraviolet lamp tubes in the reaction cavity, then enters a treatment area formed by a plurality of rows of electrodeless ultraviolet lamp tubes under the action of the target adjustment strategy, and controls the first microwaves and the electrodeless ultraviolet lamps to carry out target treatment on the exhaust gas to be treated. Therefore, the waste gas to be treated is subjected to microwave treatment and microwave electrodeless ultraviolet treatment under the action of a single high-power microwave source, and the waste gas is rapidly and efficiently treated.
In an embodiment of the present invention, a method for treating exhaust gas based on a single microwave source is applied to an exhaust gas treatment device based on a single microwave source, and the method includes: acquiring first indication information of the waste gas to be treated entering the reaction cavity; determining a target adjustment strategy for adjusting the electrodeless ultraviolet lamp tube in the reaction cavity based on the first indication information; and carrying out target treatment on the waste gas to be treated according to the first microwave source and the target adjustment strategy. That is, the invention realizes the microwave treatment and the electrodeless microwave ultraviolet treatment of the waste gas to be treated under the action of a single high-power microwave source, and then the harmless gas obtained after the treatment is discharged through the gas outlet.
In another possible embodiment, the present invention further provides a schematic structural diagram of an exhaust gas treatment device based on a single microwave source, as shown in fig. 2, the exhaust gas treatment device comprising: microwave source 1, microwave loudspeaker 2, reaction chamber 3 includes: the air inlet 4, the air equalizer 5, the bracket 6, the lamp tube 7, the first metal mesh 8, the air outlet 9, the second metal mesh 10 and the waveguide 11.
Wherein, microwave source 1 and microwave loudspeaker 2 set up respectively in the outside of reaction chamber 3, and air inlet 4 sets up metal mesh one 8, and gas outlet 9 sets up metal mesh two 10, and air inlet 4 and gas outlet 9 all set up on reaction chamber 3, and the one end of microwave source 1 is connected with the one end of microwave loudspeaker 2, and the other end of microwave loudspeaker 2 is connected with the one end of samming wind ware 5, and the other end of samming wind ware 5 is connected with fluorescent tube 7, and fluorescent tube 7 sets up on support 6.
In the present invention, the main components of the exhaust gas may include oxygen gas O2, nitrogen gas N2, volatile organic compounds (VolatileOrganicCompounds, VOCs), carbon monoxide CO, ammonia gas NH3, hydrogen sulfide H2S, ozone O3, and the like. The reaction chamber 3 is made of high-temperature-resistant metal. When waste gas to be treated enters the reaction cavity 3 from the air inlet 4, microwaves generated by the microwave source 1 can enter the reaction cavity 3 through the waveguide 11 and the microwave horn 2, then the microwaves are transmitted to the rear by adjusting the interval between the lamp tubes 7, so that the waste gas to be treated is treated by microwaves and microwave electrodeless ultraviolet rays, and finally harmless gas obtained after the treatment is discharged from the air outlet 9.
In the present invention, the microwave source 1 may be constituted by a magnetron and a switching power supply.
In the invention, the air inlet 4 can be used for inputting waste gas to be treated into the reaction cavity 3, the microwave source 1 can be used for generating microwaves, and the microwave horn 2 can be used for radiating the microwaves generated by the microwave source 1 into the air equalizer 5 of the reaction cavity 3.
It should be noted that when a single microwave source is used to treat the exhaust gas, it is difficult to form a stable and uniform microwave field, and it is also difficult to transmit the exhaust gas to be treated, which is introduced from the gas inlet 4, into the entire cavity of the reaction chamber 3 and easily reflected by other devices in the exhaust gas treatment apparatus, so in the apparatus of the present invention, in order to avoid the above-mentioned problems, the waveguide 11 may be an extended waveguide or a turning waveguide, and the waveguide 11 is connected to the microwave horn 2, and the type of the microwave horn 2 may also be changed according to the power of the microwave source 1, so as to achieve uniform and reliable and efficient transmission of the microwaves generated by the microwave source 1 into the reaction chamber 3.
In the present invention, the air inlet direction of the air inlet 4 may be perpendicular to the direction in which the microwave horn 2 radiates microwaves into the reaction chamber 3.
In the invention, the number of the lamp tubes 7 is multiple, and the lamp tubes are arranged in an array manner in the reaction cavity 3, and each row of lamp tubes is a microwave electrodeless ultraviolet lamp.
In the invention, when the number of the lamp tubes 7 is multiple, the multiple lamp tubes are densely arranged in the reaction cavity 3 and then sparsely arranged.
For example, multiple rows of lamps may be vertically disposed inside the reaction chamber 3, and may be arranged in an array from a side close to the air equalizer 5 toward the air outlet 9, where the intervals between the lamps are sparse and dense.
Alternatively, the minimum value of the interval between the lamp tubes is 1/4 times of the microwave wavelength, and the maximum value is 3/4 times of the microwave wavelength.
In the present invention, the number of the brackets 6 is plural, and the plural brackets are used for supporting plural lamps.
In the invention, the air equalizer 5 may be an air equalizer plate, and a plurality of holes may be provided on the air equalizer plate.
Optionally, the hole spacing of the middle part of the air equalizing plate is large, and the hole spacing of the rest part is small, so that the waste gas to be treated can uniformly pass through the air equalizing device 5.
In the invention, the bracket 6 and the air equalizer 5 can be made of materials which do not absorb microwaves. Such as polytetrafluoroethylene, ceramic, etc.
In the present invention, the power of the microwave source 1 is 10kw, 15kw, 30kw, 50kw, 75kw, 100kw, and the frequency of the microwave source 1 is 2.45G, 915 mega.
Optionally, a fan may be disposed at the air outlet 9 to pump out the generated harmless air.
In the embodiment of the invention, when the reaction chamber 3 starts to enter the waste gas to be treated through the air inlet 4, microwaves generated by the microwave source 1 can enter the reaction chamber 3 through the waveguide 11 and the microwave horn 2, then the microwaves are transmitted to the rear by adjusting the interval of the lamp tubes 7, so that the waste gas to be treated is treated by microwaves and microwave electrodeless ultraviolet rays, and finally harmless gases such as water vapor, carbon dioxide, oxygen and the like obtained after the treatment are discharged from the air outlet 9. By repeating the steps, the waste gas to be treated entering the reaction cavity 3 is efficiently and reliably treated, and uniform microwave power can be realized through the microwave horn 2. The microwave can be conveyed to the rear by adjusting the interval between the lamp tubes, and the waste gas treatment efficiency is increased by arranging sparse lamp tubes in front sections and dense lamp tubes in rear ends.
It should be noted that, in this embodiment, the descriptions of the same steps and the same content as those in other embodiments may refer to the descriptions in other embodiments, and are not repeated here.
Fig. 3 is a schematic diagram of an exhaust gas treatment device based on a single microwave source according to another embodiment of the present invention. An exhaust treatment device based on a single microwave source includes: an acquisition module 301, a determination module 302, and a processing module 303, wherein:
the obtaining module 301 may be configured to obtain first indication information of the exhaust gas to be treated entering the reaction chamber.
The determining module 302 may be configured to determine, based on the first indication information, a target adjustment policy for adjusting the electrodeless ultraviolet lamp in the reaction chamber.
The processing module 303 may be configured to perform a target processing on the exhaust to be processed according to the first microwave source and the target adjustment strategy.
It should be noted that, in this embodiment, the descriptions of the same steps and the same content as those in other embodiments may refer to the descriptions in other embodiments, and are not repeated here.
In the embodiment of the invention, the exhaust gas treatment device based on the single microwave source comprises an acquisition module, a detection module and a control module, wherein the acquisition module is used for acquiring first indication information of the exhaust gas to be treated entering the reaction cavity; the determining module is used for determining a target adjusting strategy for adjusting the electrodeless ultraviolet lamp tube in the reaction cavity based on the first indication information; and the treatment module is used for carrying out target treatment on the waste gas to be treated according to the first microwave source and the target adjustment strategy. That is, the invention realizes the microwave treatment and the electrodeless microwave ultraviolet treatment of the waste gas to be treated under the action of a single high-power microwave source, and then the harmless gas obtained after the treatment is discharged through the gas outlet.
Fig. 4 is a schematic diagram of an exhaust gas treatment control device based on a single microwave source according to another embodiment of the present invention. As shown in fig. 4, the exhaust gas treatment control apparatus may be integrated into a terminal device or a chip of the terminal device.
The device comprises: memory 401, and processor 402.
The memory 401 is used for storing a program, and the processor 402 calls the program stored in the memory 401 to execute the above-described method embodiment. The specific implementation manner and the technical effect are similar, and are not repeated here.
Preferably, the present invention also provides a program product, such as a computer readable storage medium, comprising a program for performing the above-described method embodiments when being executed by a processor.
In the several embodiments provided by the present invention, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of elements is merely a logical functional division, and there may be additional divisions of actual implementation, e.g., multiple elements or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in hardware plus software functional units.
The integrated units implemented in the form of software functional units described above may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium, and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (english: processor) to perform part of the steps of the methods of the embodiments of the invention. And the aforementioned storage medium includes: a usb disk, a removable hard disk, a Read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, etc. which can store program codes.
Claims (6)
1. A method for treating exhaust gas based on a single microwave source, the method being applied to an exhaust gas treatment apparatus based on a single microwave source, the method comprising:
acquiring first indication information of the waste gas to be treated entering the reaction cavity;
determining a target adjustment strategy for adjusting the electrodeless ultraviolet lamp tube in the reaction cavity based on the first indication information;
performing target treatment on the waste gas to be treated according to a first microwave source and the target adjustment strategy;
when the number of electrodeless ultraviolet lamps is a plurality of, determining an adjustment strategy for adjusting the interval between the electrodeless ultraviolet lamps in the reaction cavity based on the first indication information, including:
acquiring first parameter information of an electrodeless ultraviolet lamp tube in a reaction cavity; wherein the first parameter information includes an arrangement mode and an arrangement number;
determining a target adjustment strategy matched with the first parameter information based on the first indication information;
when the first indication information carries the first air volume of the exhaust gas to be treated, the determining, based on the first indication information, a target adjustment policy matched with the first parameter information includes:
acquiring current arrangement information of electrodeless ultraviolet lamps in a reaction cavity;
when the current arrangement information is not matched with the first air quantity, determining a target adjustment strategy matched with the first air quantity;
the target adjustment strategy comprises the following steps: adjusting the interval between electrodeless ultraviolet lamps based on the current arrangement information; the microwave can be conveyed to the rear by adjusting the interval between the lamp tubes, and the waste gas treatment efficiency is increased by arranging sparse lamp tubes in front sections and dense lamp tubes in rear ends.
2. The method for treating exhaust gas based on a single microwave source according to claim 1, wherein said target treating the exhaust gas to be treated according to the first microwave source and the target adjustment strategy comprises:
acquiring first microwaves generated by a first microwave source;
treating the waste gas to be treated by using the first microwaves to obtain waste gas after microwave treatment;
and controlling the electrodeless ultraviolet lamp tube to treat the waste gas after the microwave treatment based on the action of the target adjustment strategy.
3. A method of exhaust treatment based on a single microwave source as claimed in claim 1, further comprising:
and discharging the gas subjected to the target treatment from a gas outlet.
4. The method for treating exhaust gas based on a single microwave source according to claim 1, wherein the step of obtaining the first indication information of the exhaust gas to be treated entering the reaction chamber comprises:
acquiring the gas concentration detected by a concentration sensor;
acquiring a comparison result between the gas concentration and a preset concentration reference value;
and acquiring first indication information comprising that the gas concentration is greater than or equal to the concentration reference value according to the size comparison result.
5. A treatment apparatus for use in the single microwave source-based exhaust gas treatment method as claimed in any one of claims 1 to 4, comprising: the device comprises an acquisition module, a determination module and a processing module, wherein:
the acquisition module is used for acquiring first indication information of the waste gas to be treated entering the reaction cavity;
the determining module is used for determining a target adjusting strategy for adjusting the electrodeless ultraviolet lamp tube in the reaction cavity based on the first indication information;
and the treatment module is used for carrying out target treatment on the waste gas to be treated according to the first microwave source and the target adjustment strategy.
6. A process control apparatus for the single microwave source-based exhaust gas treatment method according to any one of claims 1 to 4, characterized by comprising: a processor and a memory for storing instructions for executing the instructions stored in the memory to cause the apparatus to perform the single microwave source based exhaust gas treatment method of any one of claims 1 to 4.
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