CN113483344A - Microwave-enhanced heat-storage combustion waste gas treatment method and device - Google Patents
Microwave-enhanced heat-storage combustion waste gas treatment method and device Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
- F23G7/063—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating electric heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/07—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases in which combustion takes place in the presence of catalytic material
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Abstract
The invention provides a microwave-enhanced heat-storage combustion waste gas treatment method and a device thereof, relating to the technical field of waste gas treatment, wherein the treatment method comprises the following steps: acquiring temperature information, first microwave power and first voltage information in a pyrolysis cavity; determining an operating timing sequence of the pyrolysis chamber based on the temperature information; and processing the waste gas according to the working time sequence based on the first microwave power and the first voltage information. According to the microwave-enhanced heat-storage combustion waste gas treatment method, under the action of microwaves, combustible waste gas is activated, energy consumption is reduced, the activity and the service life of the catalyst are improved, the combustion efficiency is improved, and the waste gas is efficiently treated.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to a microwave-enhanced heat-storage combustion waste gas treatment method and a device thereof.
Background
Atmospheric pollution is one of the most outstanding environmental problems in China at present, and industrial waste gas is an important source of atmospheric pollutants. A large amount of industrial waste gas is discharged into the atmosphere, so that the environmental quality is inevitably reduced, and serious harm is brought to the human health. However, the most difficult to treat industrial waste gas is organic waste gas, i.e. Volatile Organic Compounds (VOCs), which causes the respiratory tract, blood, liver system and organs of the human body to be affected after entering the human body through the respiratory tract and skin, and thus the treatment of industrial waste gas is highly regarded by human beings.
Emission control of industrial waste gas is an important project for environmental protection. For example, a common treatment method for industrial waste gas with large air volume (5000-: regenerative Thermal Oxidizers (RTO); regenerative Catalytic Oxidation (RCO) and conventional plasma processing.
However, the above methods have the problems of complicated operation, high energy consumption, low reliability and limited application range in the process of treatment.
Disclosure of Invention
The present invention aims to provide a method and an apparatus for treating waste gas from microwave-enhanced regenerative combustion, which can solve the problem of waste gas purification.
In order to achieve the above purpose, the embodiment of the present invention adopts the following technical solutions:
in a first aspect, an embodiment of the present invention provides a microwave-enhanced regenerative combustion waste gas treatment method, where the method includes:
acquiring temperature information, first microwave power and first voltage information in a pyrolysis cavity;
determining an operating timing sequence of the pyrolysis chamber based on the temperature information;
and processing the waste gas according to the working time sequence based on the first microwave power information and the second microwave power information.
Optionally, the method further includes:
acquiring gas parameters at the gas outlet; wherein the gas parameter comprises concentration information;
adjusting the first microwave power and the second microwave power based on the concentration information to obtain a second microwave power and a second voltage;
and treating the waste gas according to the working time sequence on the basis of the second microwave power and the second voltage.
Optionally, the acquiring temperature information in the pyrolysis chamber includes:
acquiring first temperature information of a first pyrolysis cavity and second temperature information of a second pyrolysis cavity;
and judging whether the first temperature information and the second temperature information accord with a preset temperature threshold value or not to obtain a judgment result.
Optionally, the determining whether the first temperature information and the second temperature information meet a preset temperature threshold to obtain a determination result includes:
if the judgment result indicates that the first temperature is higher than the preset threshold value, introducing the waste gas into a second pyrolysis cavity;
and if the judgment result indicates that the second temperature is greater than the preset threshold value, introducing the waste gas into the first pyrolysis cavity.
In a second aspect, the invention also discloses a microwave-enhanced heat-storage combustion waste gas treatment device, which comprises: the device comprises an air inlet, a fan, a first poppet valve, a second poppet valve, a first pyrolysis cavity, a third poppet valve, a fourth poppet valve, a second pyrolysis cavity, a catalyst, a microwave source, an electrode, an igniter and a chimney;
the air inlet is connected with the fan; the first poppet valve and the second poppet valve are arranged at the bottom of the first pyrolysis cavity; the third poppet valve and the fourth poppet valve are arranged at the bottom of the second pyrolysis cavity; the first pyrolysis cavity is connected with the second pyrolysis cavity through a communication area; the catalyst is arranged in the communication area, a microwave source is arranged outside the communication area, and the electrode is also arranged in the communication area; the igniter is arranged at the top of the communication area; the first pyrolysis cavity and the second pyrolysis cavity are connected with the chimney through a lifting valve.
In a third aspect, the invention also discloses a microwave-enhanced regenerative combustion exhaust gas control system, which is characterized by comprising: an acquisition module, a determination module and a processing module, wherein,
the acquisition module is used for acquiring temperature information, first microwave power and first voltage information in the pyrolysis cavity;
the determining module is used for determining the working time sequence of the pyrolysis cavity based on the temperature information;
and the processing module is used for processing the waste gas according to the working time sequence based on the first microwave power information and the second microwave power information.
In a fourth aspect, the invention also discloses a control method of the microwave-enhanced heat-accumulating combustion waste gas treatment method, which is characterized by being used for realizing the microwave-enhanced heat-accumulating combustion waste gas treatment method in the first aspect.
In a fifth aspect, the invention also discloses a control device for the microwave-enhanced heat-storage combustion waste gas treatment method, which is characterized by comprising the following components: a processor and a memory, the memory being configured to store instructions, the processor being configured to execute the instructions stored in the memory to cause the apparatus to perform the microwave-enhanced regenerative combustion exhaust gas treatment method as described above in relation to the first aspect.
The invention has the beneficial effects that: the embodiment of the invention provides a microwave-enhanced heat-storage combustion waste gas treatment method and a device thereof, wherein the method comprises the following steps: acquiring temperature information, first microwave power and first voltage information in a pyrolysis cavity; determining an operating timing sequence of the pyrolysis chamber based on the temperature information; and processing the waste gas according to the working time sequence based on the first microwave power information and the second microwave power information. That is, the microwave-enhanced heat-storage combustion waste gas treatment method provided by the invention activates combustible waste gas under the action of microwaves, reduces energy consumption, improves catalyst activity and service life, improves combustion efficiency, and realizes efficient treatment 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 flow chart illustrating a control method of a microwave-enhanced regenerative combustion exhaust gas treatment system according to an embodiment of the present invention;
FIG. 2 is a schematic view of a microwave-enhanced regenerative combustion exhaust gas treatment device according to another embodiment of the present invention;
FIG. 3 is a schematic diagram of a control device of a microwave-enhanced regenerative combustion exhaust gas treatment system according to another embodiment of the present invention;
fig. 4 is a schematic structural diagram of a control system of a microwave-enhanced regenerative combustion exhaust gas treatment system according to another embodiment of the present invention.
Icon: 1-air inlet, 2-fan, 3-first lift valve, 4-second lift valve, 5-pyrolysis cavity I, 6-third lift valve, 7-fourth lift valve, 8-pyrolysis cavity II, 9-catalyst, 10-microwave source, 11-electrode, 12-igniter and 13-chimney.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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 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 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, 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 and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
FIG. 1 is a schematic flow chart illustrating a control method of a microwave-enhanced regenerative combustion exhaust gas treatment system according to an embodiment of the present invention; FIG. 2 is a schematic view of a microwave-enhanced regenerative combustion exhaust gas treatment device according to another embodiment of the present invention; FIG. 3 is a schematic diagram of a control device of a microwave-enhanced regenerative combustion exhaust gas treatment system according to another embodiment of the present invention; fig. 4 is a schematic structural diagram of a control system of a microwave-enhanced regenerative combustion exhaust gas treatment system according to another embodiment of the present invention. The microwave-enhanced regenerative combustion waste gas treatment process provided by the embodiment of the invention will be described in detail below with reference to fig. 1 to 4.
Fig. 1 is a schematic flow chart of a microwave-enhanced heat-accumulating combustion exhaust gas treatment method according to an embodiment of the present invention, which is applied to a microwave-enhanced heat-accumulating combustion exhaust gas treatment apparatus, as shown in fig. 1, and the method includes:
In the embodiment of the present invention, the step 101 of acquiring temperature information, first microwave power, and first voltage information in a pyrolysis chamber includes:
and step 1011, acquiring first temperature information of the first pyrolysis cavity and second temperature information of the second pyrolysis cavity.
In the embodiment of the invention, the microwave-enhanced heat-accumulation combustion waste gas treatment device comprises two pyrolysis cavities, namely a first pyrolysis cavity and a second pyrolysis cavity, wherein the first pyrolysis cavity and the second pyrolysis cavity are communicated through a lift valve. And the first pyrolysis cavity and the second pyrolysis cavity are respectively provided with a temperature sensor for detecting the working temperature in the pyrolysis cavity. The sensor respectively acquires first temperature information in the first pyrolysis cavity and second temperature information in the second pyrolysis cavity, and reports the acquired temperature information to the controller connected with the sensor in real time.
Step 1012, determining whether the first temperature information and the second temperature information meet a preset temperature threshold value, and obtaining a determination result.
Specifically, if the judgment result indicates that the first temperature is greater than the preset threshold value, introducing the waste gas into the second pyrolysis cavity; and if the judgment result indicates that the second temperature is greater than the preset threshold value, introducing the waste gas into the first pyrolysis cavity.
In the embodiment of the invention, the controller determines the temperature information of the waste gas in the first pyrolysis cavity or the second pyrolysis cavity at the current time according to the received temperature information, and judges the relationship between the currently received temperature information and the preset temperature threshold value to obtain the corresponding judgment result. That is, the determination result is the magnitude relationship between the temperature in the pyrolysis chamber at the current time and the preset temperature threshold.
And 102, determining the working time sequence of the pyrolysis cavity based on the temperature information.
In the embodiment of the invention, the controller determines that the waste gas enters from the first pyrolysis cavity or the second pyrolysis cavity according to the judgment result corresponding to the acquired temperature information, effectively processes the waste gas based on the action of microwaves, negative high-pressure plasmas and catalysts, and flows the processed waste gas out of the cavity from the second pyrolysis cavity or the pyrolysis cavity. The working time sequence refers to the sequence that waste gas passes through the pyrolysis cavity at first, and whether the pyrolysis cavity that waste gas passes through is switched is judged based on the temperature information in the pyrolysis cavity, so that the temperature in the cavity is ensured to be within a threshold range, and the service time of the device is prolonged.
Illustratively, the preset temperature threshold is in the range of 100-1000. The microwave source is arranged outside the top communicating area of the first pyrolysis cavity and the second pyrolysis cavity, the plasma electrodes are connected with the negative high-voltage power supply and are uniformly arrayed in the communicating area, and the catalyst is arranged between the electrodes through a bed layer, so that when waste gas in the communicating area flows from one pyrolysis cavity to the other pyrolysis cavity, the waste gas is efficiently treated under the action of the microwave, the plasma and the catalyst.
And 103, processing the waste gas according to the working time sequence based on the first microwave power information and the second microwave power information.
The exhaust gas in the embodiment of the present invention includes exhaust gas of VOCs, ozone, odor, nitrogen oxides, and sulfur oxides.
In the implementation of the present invention, after the step 103, the method further includes: acquiring gas parameters at the gas outlet; wherein the gas parameter comprises concentration information; adjusting the first microwave power and the first voltage based on the concentration information to obtain a second microwave power and a second voltage; and treating the waste gas according to the working time sequence on the basis of the second microwave power and the second voltage.
In the embodiment of the invention, a gas outlet of the microwave-enhanced heat-storage combustion waste gas treatment device, namely a chimney is provided with a concentration sensor for detecting whether the treated gas meets the emission standard or not and uploading the detected data to a controller in real time, and the controller adjusts the use power of a microwave source and the working voltage of a negative high-voltage power supply according to the gas concentration information of the gas outlet.
Illustratively, the controller controls the microwave source power to a second microwave power and adjusts the voltage of the negative high voltage power supply from a first voltage to a second voltage when the controller determines that the gas outlet gas concentration is greater than the predetermined value, wherein the second voltage is greater than the first voltage and the second power value is greater than the first power value.
It should be noted that, under the microwave action, the combustible gas is activated, the microwave ignition can realize the ignition of thinner combustible gas, the combustion is more sufficient, the combustion efficiency is high, the fuel consumption is reduced, the combustion of CO and HC is more sufficient in the combustion process, NOx is reduced into nitrogen, and the generation amount of waste gas is less. The waste gas can be directly treated without concentration, and the combustion concentration and ignition temperature of the waste gas can be reduced by the microwave effect; the ignition adopts a high-voltage plasma structure for ignition.
The embodiment of the invention provides a microwave-enhanced heat-storage combustion waste gas treatment method, which comprises the following steps: acquiring temperature information, first microwave power and first voltage information in a pyrolysis cavity; determining an operating timing sequence of the pyrolysis chamber based on the temperature information; and processing the waste gas according to the working time sequence based on the first microwave power information and the second microwave power information. That is, the microwave-enhanced heat-storage combustion waste gas treatment method provided by the invention activates combustible waste gas under the action of microwaves, reduces energy consumption, improves catalyst activity and service life, improves combustion efficiency, and realizes efficient treatment of waste gas.
Based on the foregoing embodiments, an embodiment of the present invention provides a microwave-enhanced regenerative combustion exhaust gas treatment device, which is further described with reference to fig. 2. As shown in fig. 2, the microwave-enhanced regenerative combustion exhaust gas treatment device includes: the device comprises an air inlet 1, a fan 2, a first poppet valve 3, a second poppet valve 4, a first pyrolysis cavity 5, a third poppet valve 6, a fourth poppet valve 7, a second pyrolysis cavity 8, a catalyst 9, a microwave source 10, an electrode 11, an igniter 12 and a chimney 13.
Wherein the position of the air inlet 1 is connected with the fan 2; the first poppet valve 3 and the second poppet valve 4 are arranged at the bottom of the first pyrolysis cavity 5; the third poppet valve 6 and the fourth poppet valve 7 are arranged at the bottom of the second pyrolysis cavity 8; the first pyrolysis cavity 5 is connected with the second pyrolysis cavity 8 through a communicating region; the catalyst 9 is arranged in the communication area, a microwave source 10 is arranged outside the communication area, and the electrode 11 is also arranged in the communication area; the igniter 12 is arranged at the top of the communication area; the first pyrolysis cavity 5 and the second pyrolysis cavity 8 are connected with the chimney 13 through a lifting valve.
In the embodiment of the invention, the main body of the device is made of metal materials, and the heat insulation layer and the refractory bricks are arranged in the communication area and used for protecting the metal materials and prolonging the service life of the device.
Illustratively, the waste gas is fed into the first pyrolysis chamber 5 and the second pyrolysis chamber 8 from the gas inlet 1 through the fan 2, wherein the first pyrolysis chamber 5 and the second pyrolysis chamber 8 comprise a heat exchanger for heating the waste gas to an initial temperature required for catalytic combustion. Wherein the catalytic combustion is carried out such that the temperature threshold thereof is 250 ℃ to 300 ℃. Further, the preheated waste gas passes through the catalyst 9, and under the action of the electrode 11 and the igniter 12 which apply high voltage, a high-voltage plasma ignition array is formed, so that the waste gas is subjected to microwave catalytic combustion, the treatment efficiency is improved, the activity and the service life of the catalyst are improved, and the generation and the emission of the waste gas are reduced.
In the embodiment of the present invention, the microwave source 10 includes a power supply, a magnetron, and a radiator, and the magnetron emits microwaves under the power supply, and then irradiates the communication area through the radiator. 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.
Specifically, the electrode 11 includes an anode plate and a cathode plate; the negative plate is connected with a negative high-voltage power supply; the negative plate is grounded; wherein, a plurality of needle points are arranged on the anode plate and the cathode plate; the electrodes 11 comprise a plurality of electrodes arrayed in said communication zone, adjacent electrode connection zones comprising said catalyst 9. Optionally, the catalyst 9 is a metal oxide, and the catalyst 9 is uniformly distributed in the communication zone through a catalyst framework; the catalyst skeleton is ceramic which does not absorb microwave.
In the embodiment of the invention, the electrodes 11 comprise a plurality of electrodes which are uniformly arrayed in the communication area, each electrode 11 comprises an anode plate and a cathode plate, the electrode plates are provided with metal tips, the cathode plates are connected with a negative high-voltage power supply, and the cathode plates are grounded. The catalyst 9 is arranged on the catalyst framework of the communication area between the adjacent electrode plates, the catalyst 9 is metal oxide, and the exhaust gas is rapidly heated to the decomposition temperature by the catalyst 9 under the action of the heat exchanger. Optionally, the catalyst framework is a ceramic that does not absorb microwaves.
Optionally, the first poppet valve 3 is in communication with said third poppet valve 6; the second poppet valve 4 is in communication with the fourth poppet valve 7, and the second poppet valve 4 and the fourth poppet valve 7 are also in communication with the chimney 13.
In the embodiment of the invention, under the action of the fan 2, the first poppet valve 3 and the fourth poppet valve 7 are firstly opened, so that the waste gas enters the first pyrolysis cavity 5, reacts in the first pyrolysis cavity 5, and further reaches the chimney 13 from the fourth poppet valve 7 of the second pyrolysis cavity 8 through the action of microwaves and a catalyst in the communication area and is discharged. Further, after the preset time is input, the temperature of the first pyrolysis cavity 5 is determined to reach the preset temperature, the first poppet valve 3 and the fourth poppet valve 7 are controlled to be closed, the third poppet valve 6 and the second poppet valve 4 are opened, so that the fan 2 inputs the waste gas into the second pyrolysis cavity 8, the waste gas reacts in the second pyrolysis cavity 8, and then the reacted gas reaches the chimney 13 from the second poppet valve 4 of the first pyrolysis cavity 5 and is discharged under the action of microwaves and the catalyst in the communication area.
The invention provides a microwave-enhanced heat-storage combustion waste gas treatment device, which comprises: the device comprises an air inlet 1, a fan 2, a first poppet valve 3, a second poppet valve 4, a first pyrolysis cavity 5, a third poppet valve 6, a fourth poppet valve 7, a second pyrolysis cavity 8, a catalyst 9, a microwave source 10, an electrode 11, an igniter 12 and a chimney 13; wherein the position of the air inlet 1 is connected with the fan 2; the first poppet valve 3 and the second poppet valve 4 are arranged at the bottom of the first pyrolysis cavity 5; the third poppet valve 6 and the fourth poppet valve 7 are arranged at the bottom of the second pyrolysis cavity 8; the first pyrolysis cavity 5 is connected with the second pyrolysis cavity 8 through a communicating region; the catalyst 9 is arranged in the communication area, a microwave source 10 is arranged outside the communication area, and the electrode 11 is also arranged in the communication area; the igniter 12 is arranged at the top of the communication area; the first pyrolysis cavity 5 and the second pyrolysis cavity 8 are connected with the chimney 13 through a lifting valve. The invention realizes that the waste gas molecules are activated under the action of microwaves, simultaneously, the catalyst is used for enabling the organic waste gas to be subjected to flameless combustion under the condition of lower ignition temperature, and the organic waste gas is oxidized and decomposed into CO2 and H2O, and simultaneously, a large amount of heat energy is released, thereby improving the treatment efficiency of the waste gas.
It should be noted that, for the descriptions of the same steps and the same contents in this embodiment as those in other embodiments, reference may be made to the descriptions in other embodiments, which are not described herein again.
As shown in fig. 3, an embodiment of the present invention further provides a microwave-enhanced regenerative combustion exhaust gas treatment control system, where the apparatus specifically includes: an acquisition module 301, a determination module 302 and a processing module 303. Wherein,
the obtaining module 301 is configured to obtain temperature information, first microwave power, and first voltage information in the pyrolysis chamber.
A determining module 302, configured to determine an operation timing of the pyrolysis chamber based on the temperature information.
And the processing module 303 is configured to process the exhaust gas according to the working timing sequence based on the first microwave power and the second microwave power information.
The above-mentioned apparatus is used for executing the method provided by the foregoing embodiment, and the implementation principle and technical effect are similar, which are not described herein again.
The embodiment of the invention provides a microwave-enhanced heat-storage combustion waste gas treatment control system, which specifically comprises: an acquisition module 301, a determination module 302 and a processing module 303. The acquiring module 301 is configured to acquire temperature information, first microwave power, and first voltage information in the pyrolysis cavity; a determining module 302, configured to determine an operation timing sequence of the pyrolysis chamber based on the temperature information; and the processing module 303 is configured to process the exhaust gas according to the working timing sequence based on the first microwave power and the second microwave power information. That is, the microwave-enhanced heat-storage combustion waste gas treatment method provided by the invention activates combustible waste gas under the action of microwaves, reduces energy consumption, improves catalyst activity and service life, improves combustion efficiency, and realizes efficient treatment of waste gas.
These above modules may be one or more integrated circuits configured to implement the above methods, such as: one or more Application Specific Integrated Circuits (ASICs), or one or more microprocessors (DSPs), or one or more Field Programmable Gate Arrays (FPGAs), among others. For another example, when one of the above modules is implemented in the form of a Processing element scheduler code, the Processing element may be a general-purpose processor, such as a Central Processing Unit (CPU) or other processor capable of calling program code. For another example, these modules may be integrated together and implemented in the form of a system-on-a-chip (SOC).
Fig. 4 is a schematic diagram of a control device of a microwave-enhanced regenerative combustion exhaust gas treatment system according to an image provided by a third embodiment of the present invention, where the control device may be integrated in a terminal device or a chip of the terminal device, and the terminal device may be a computing device with an image processing function.
The device includes: memory 401, processor 402.
The memory 401 is used for storing programs, and the processor 402 calls the programs stored in the memory 401 to execute the above-mentioned method embodiments. The specific implementation and technical effects are similar, and are not described herein again.
Preferably, the invention also provides a program product, such as a computer-readable storage medium, comprising a program which, when being executed by a processor, is adapted to carry out the above-mentioned method embodiments.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
The integrated unit implemented in the form of a software functional unit may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium and includes several instructions to enable a computer device (which may be a personal computer, a server, or a network device) or a processor (processor) to execute some steps of the methods according to the embodiments of the present invention. And the aforementioned storage medium includes: a U disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Claims (8)
1. A microwave-enhanced regenerative combustion waste gas treatment method is characterized by comprising the following steps:
acquiring temperature information, first microwave power and first voltage information in a pyrolysis cavity;
determining an operating timing sequence of the pyrolysis chamber based on the temperature information;
and processing the waste gas according to the working time sequence based on the first microwave power and the first voltage information.
2. The microwave-enhanced regenerative combustion exhaust gas treatment method according to claim 1, further comprising:
acquiring gas parameters at the gas outlet; wherein the gas parameter comprises concentration information;
adjusting the first microwave power and the first voltage based on the concentration information to obtain a second microwave power and a second voltage;
and treating the waste gas according to the working time sequence on the basis of the second microwave power and the second voltage.
3. The microwave-enhanced regenerative combustion waste gas treatment method according to claim 1, wherein the acquiring temperature information in the pyrolysis chamber comprises:
acquiring first temperature information of a first pyrolysis cavity and second temperature information of a second pyrolysis cavity;
and judging whether the first temperature information and the second temperature information accord with a preset temperature threshold value or not to obtain a judgment result.
4. The microwave-enhanced heat-accumulating combustion exhaust gas treatment method according to claim 3, wherein the judging whether the first temperature information and the second temperature information meet a preset temperature threshold value to obtain a judgment result comprises:
if the judgment result indicates that the first temperature is higher than the preset threshold value, introducing the waste gas into a second pyrolysis cavity;
and if the judgment result indicates that the second temperature is greater than the preset threshold value, introducing the waste gas into the first pyrolysis cavity.
5. A microwave-enhanced regenerative combustion exhaust gas treatment device is characterized by comprising: the device comprises an air inlet, a fan, a first poppet valve, a second poppet valve, a first pyrolysis cavity, a third poppet valve, a fourth poppet valve, a second pyrolysis cavity, a catalyst, a microwave source, an electrode, an igniter and a chimney;
the air inlet is connected with the fan; the first poppet valve and the second poppet valve are arranged at the bottom of the first pyrolysis cavity; the third poppet valve and the fourth poppet valve are arranged at the bottom of the second pyrolysis cavity; the first pyrolysis cavity is connected with the second pyrolysis cavity through a communication area; the catalyst is arranged in the communication area, a microwave source is arranged outside the communication area, and the electrode is also arranged in the communication area; the igniter is arranged at the top of the communication area; the first pyrolysis cavity and the second pyrolysis cavity are connected with the chimney through a lifting valve.
6. A microwave enhanced regenerative combustion exhaust control system, the system comprising: an acquisition module, a determination module and a processing module, wherein,
the acquisition module is used for acquiring temperature information, first microwave power and first voltage information in the pyrolysis cavity;
the determining module is used for determining the working time sequence of the pyrolysis cavity based on the temperature information;
and the processing module is used for processing the waste gas according to the working time sequence based on the first microwave power and the first voltage information.
7. A control method of a microwave-enhanced regenerative combustion exhaust gas treatment method, characterized in that the method is used for realizing the microwave-enhanced regenerative combustion exhaust gas treatment method according to any one of claims 1 to 4.
8. A control apparatus for a microwave-enhanced regenerative combustion exhaust gas treatment method, the apparatus comprising: a processor and a memory, the memory for storing instructions, the processor for executing the instructions stored in the memory to cause the apparatus to perform the microwave enhanced regenerative combustion exhaust gas treatment method of any of claims 1-4.
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