CN218645562U - Microwave combustion-supporting device - Google Patents
Microwave combustion-supporting device Download PDFInfo
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- CN218645562U CN218645562U CN202121547450.4U CN202121547450U CN218645562U CN 218645562 U CN218645562 U CN 218645562U CN 202121547450 U CN202121547450 U CN 202121547450U CN 218645562 U CN218645562 U CN 218645562U
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Abstract
The utility model provides a microwave combustion-supporting relates to new forms of energy environmental protection technology field, and the device includes: the microwave heating device comprises a combustion area, a microwave source, a first radiator, a second radiator, a magnetron, a sprayer, a heat exchanger and an exhaust port; the inner side and the outer side of the surface of the bottom of the combustion zone are respectively provided with a radiator II and a radiator I, and the radiator I is also connected with a magnetron; an air inlet is formed in one side of the radiator II; the microwave sources are arranged on two sides of the combustion area; a sprayer is arranged at the top of the combustion area; an igniter is also arranged in the combustion area; the heat exchanger is arranged above the sprinkler, and the upper area of the heat exchanger is provided with an exhaust port. That is to say, the utility model discloses based on microwave is combustion-supporting, carries out the plasmatization back to the gas that gets into from the air inlet, spouts to the combustion area to make the gas fuel burning of combustion area abundant, the heat production is high, and exhaust emissions is up to standard simultaneously, the device simple structure, and the reliability is high, and is with low costs, has the wide application in energy-concerving and environment-protective field.
Description
Technical Field
The utility model relates to a new forms of energy environmental protection technical field particularly, relates to a microwave combustion-supporting.
Background
At present, with the rapid development of economic technology in China, a large amount of energy consumed by industry, life and the like is more and more, the energy production is increasingly tense, and the environmental pollution is increasingly serious. The natural gas is used as the clean energy with the largest global reserve and applied to the aspects of life, however, the natural gas is not fully combusted in the using process, and the great waste of resources is caused.
In order to improve the use efficiency of natural gas, in the prior art, a small part of the combusted waste gas is sent back to the combustion chamber again by using an EGR technology, so that the effective utilization of resources is realized.
However, in the prior art, the exhaust gas generated by burning natural gas is recycled based on the EGR technology, and the problem that the emission is polluted by the gas generated after burning exists.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a microwave combustion-supporting device to the not enough of existence among the above-mentioned prior art in the natural gas combustion process to there is the problem that the gas can cause the pollution to discharging after burning in solving prior art.
In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions:
the embodiment of the utility model provides a microwave combustion-supporting, the device includes: the microwave heating device comprises a combustion area, a microwave source, a first radiator, a second radiator, a magnetron, a sprayer, a heat exchanger and an exhaust port;
the inner side and the outer side of the surface of the bottom of the combustion zone are respectively provided with a second radiator and a first radiator, and the first radiator is also connected with the magnetron; an air inlet is formed in one side of the radiator II; the microwave sources are arranged on two sides of the combustion area; the top of the combustion zone is provided with the sprayer; an igniter is also arranged in the combustion area; the heat exchanger is arranged above the sprayer, and an upper area of the heat exchanger is provided with an exhaust port.
Optionally, the first port of the second radiator is connected with the bottom surface of the combustion zone; the second port of the radiator II faces upwards; wherein the first port is larger than the second port.
Optionally, the sparger includes a denitrifier therein.
Optionally, the apparatus further comprises a sensor for detecting a gas concentration at the exhaust port.
Optionally, the apparatus further comprises a controller, and the controller is connected with the microwave source and the sensor.
Optionally, the controller is configured to control the operating power of the microwave source according to the gas concentration at the gas outlet.
The utility model has the advantages that: a microwave combustion-supporting device, the device comprising: the microwave heating device comprises a combustion area, a microwave source, a first radiator, a second radiator, a magnetron, a sprayer, a heat exchanger and an exhaust port; the inner side and the outer side of the surface of the bottom of the combustion zone are respectively provided with a second radiator and a first radiator, and the first radiator is also connected with the magnetron; an air inlet is formed in one side of the radiator II; the microwave sources are arranged on two sides of the combustion area; the top of the combustion zone is provided with the sprayer; an igniter is also arranged in the combustion area; the heat exchanger is arranged above the sprayer, and an upper area of the heat exchanger is provided with an exhaust port. That is to say, the utility model discloses based on microwave is combustion-supporting, carries out the plasmatization back to the gas that gets into from the air inlet, spouts to the combustion area to make the gas fuel burning of combustion area abundant, the heat production is high, and exhaust emissions is up to standard simultaneously, the device simple structure, and the reliability is high, and is with low costs, has the wide application in energy-concerving and environment-protective field.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of a microwave combustion-supporting device according to an embodiment of the present invention.
Icon: 1-combustion zone, 2-microwave source, 3-radiator one, 4-radiator two, 5-magnetron, 6-sprinkler, 7-heat exchanger and 8-exhaust.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the 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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element indicated 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 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 absolutely horizontal or hanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Fig. 1 is a schematic view of a microwave combustion-supporting device, and the following describes in detail the waste gas treatment process provided by the embodiment of the present invention with reference to fig. 1.
Fig. 1 is a schematic view of a microwave combustion-supporting device provided by an embodiment of the present invention, as shown in fig. 1, the microwave combustion-supporting device includes: combustion zone 1, microwave source 2, radiator one 3, radiator two 4, magnetron 5, sprinkler 6, heat exchanger 7 and gas vent 8.
The inner side and the outer side of the surface of the bottom of the combustion area 1 are respectively provided with a radiator II 4 and a radiator I3, and the radiator I3 is also connected with the magnetron 5; an air inlet is formed in one side of the radiator II 4; the microwave sources 2 are arranged on two sides of the combustion zone 1; the top of the combustion zone 1 is provided with the sprinkler 6; an igniter is also arranged in the combustion zone 1; the heat exchanger 7 is disposed above the sprinkler 6, and an upper region of the heat exchanger 7 is provided with an exhaust port 8.
Specifically, the first port of the radiator II 4 is connected with the bottom surface of the combustion zone; the second port of the radiator II 4 faces upwards; wherein the first port is larger than the second port.
In the embodiment of the utility model, the microwave window is arranged at the connection part of the radiator I3 and the magnetron 5, the microwave window can be made of ceramic, and the microwave emitted by the magnetron is uniformly radiated on the bottom surface of the combustion area 1. Combustible gas enters the radiator II from the gas inlet, is plasmatized under the action of microwaves and is sprayed to the combustion area; further, the plasma in the combustion area is fully mixed with the denitration powder sprayed by the microwave source and the sprayer, the plasma is fully combusted under the action of the igniter, and the generated gas meets the emission standard.
The embodiment of the utility model provides an in, microwave source 2 sets up on the lateral wall in combustion chamber 1, and microwave source 2 includes a plurality ofly, and a plurality of microwave source arrays set up on the lateral wall in combustion chamber 1.
The microwave is an electric wave having a frequency of 300 mhz to 300 ghz, and water molecules in the heated medium material are polar molecules. Under the action of a rapidly changing high-frequency point magnetic field, the polarity orientation of the magnetic field changes along with the change of an external electric field. The effect of mutual friction motion of molecules is caused, at the moment, the field energy of the microwave field is converted into heat energy in the medium, so that the temperature of the material is raised, and a series of physical and chemical processes such as thermalization, puffing and the like are generated to achieve the aim of microwave heating.
The microwave heating has the following advantages: the heating time is short; the heat energy utilization rate is high, and energy is saved; heating uniformly; the microwave source is easy to control, and the microwave can also induce the catalytic reaction.
The microwave is generated by a microwave source, which is mainly composed of a high-power magnetron. The magnetron is a device which completes energy conversion by utilizing the movement of electrons in vacuum and can generate high-power microwave energy, for example, a 4250MHz magnetic wave tube can obtain 5MHz, and a 4250MHz klystron can obtain 30MHz, so that the microwave technology can be applied to the technical field of wastewater treatment.
Optionally, the sparger 6 includes a denitrifier therein.
In the embodiment of the utility model, the sprinkler 6 contains the denitrifier; wherein the denitrifier comprises CaO, ca (OH) 2, mgO or Mg (OH) 2.
Further, the apparatus further comprises a sensor for detecting the gas concentration at the gas outlet 8. The device also comprises a controller, wherein the controller is connected with the microwave source and the sensor; the controller is used for controlling the working power of the microwave source according to the gas concentration of the gas outlet.
In the embodiment of the present invention, the heat exchanger 7 is disposed on the upper portion of the sprinkler 6 for heat exchange of hot gas in the whole combustion chamber, and the temperature of the chamber is reduced, thereby achieving the protection of the device.
Optionally, metal nets are arranged at the air inlet and the air outlet; the aperture of the metal net is less than or equal to 3mm.
The embodiment of the utility model provides an in air inlet and gas outlet position department all set up the metal mesh, and the aperture of metal mesh is less than or equal to 3mm. Here, in order to prevent the microwave leakage. When the human body is very close to the microwave radiation source for a long time, the phenomena of dizziness, sleep disorder, hypomnesis, bradycardia, blood pressure reduction and the like are caused by excessive radiation energy. When the microwave leakage reaches 1mw/cm 2 When it occurs, the eyes feel suddenly dazzled, the vision is degraded, and even cataract is caused. In order to guarantee the health of users, the metal mesh is arranged at the inlet and the outlet of the reaction cavity, and the corners are likely to generate microwave discharge under the action of microwaves, so that dangerous accidents are easy to happen. The metal mesh can block microwave leakage, reduce the damage of microwave to human body and improve the safety of the system.
Illustratively, the switch of the microwave combustion-supporting device is turned on, and combustible gas, such as natural gas, is introduced. Then under the combined action of the magnetron, the radiator and the microwave source, the combustible gas is subjected to plasma transformation and then is ignited; and spraying a denitration agent or urea powder at the top of the combustion zone. The method comprises the steps of controlling the gas injection amount of a mixture of combustible gas and air by detecting the temperature in a combustion area, further detecting the concentration of exhaust gas at an exhaust port, such as the concentration of CO and HC, and judging whether the concentration of the exhaust gas exceeds the standard or not, so that the reduction or increase of the quantity of the combustible gas is determined, and the microwave power of the combustion area is improved; and if the NOx exceeds the standard, increasing the microwave power and the denitration dosage of the combustion area. The microwave combustion-supporting in this embodiment can realize combustible gas's abundant burning, and the heat production is high, and exhaust emissions reaches standard simultaneously.
The embodiment discloses a microwave combustion-supporting device, includes: a microwave combustion-supporting device, the device comprising: the device comprises a combustion area 1, a microwave source 2, a first radiator 3, a second radiator 4, a magnetron 5, a sprayer 6, a heat exchanger 7 and an exhaust port 8; a second radiator 4 and a first radiator 3 are respectively arranged on the inner side and the outer side of the surface of the bottom of the combustion area 1, and the first radiator 3 is also connected with the magnetron 5; an air inlet is formed in one side of the radiator II 4; the microwave sources 2 are arranged on two sides of the combustion zone 1; the top of the combustion zone 1 is provided with the sprinkler 6; an igniter is also arranged in the combustion zone 1; the heat exchanger 7 is disposed above the sprinkler 6, and an upper region of the heat exchanger 7 is provided with an exhaust port 8. That is to say, the utility model discloses based on microwave is combustion-supporting, carries out the plasmatization back to the gas that gets into from the air inlet, spouts to the combustion area to make the gas fuel burning of combustion area abundant, the heat production is high, and exhaust emissions is up to standard simultaneously, the device simple structure, and the reliability is high, and is with low costs, has the wide application in energy-concerving and environment-protective field.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A microwave combustion-supporting device is characterized by comprising: the microwave heating device comprises a combustion area, a microwave source, a first radiator, a second radiator, a magnetron, a sprayer, a heat exchanger and an exhaust port;
the inner side and the outer side of the surface of the bottom of the combustion zone are respectively provided with a second radiator and a first radiator, and the first radiator is also connected with the magnetron; an air inlet is formed in one side of the radiator II; the microwave sources are arranged on two sides of the combustion area; the top of the combustion zone is provided with the sprayer; an igniter is also arranged in the combustion area; the heat exchanger is arranged above the sprayer, and an upper area of the heat exchanger is provided with an exhaust port.
2. The microwave combustion-supporting device as claimed in claim 1, wherein the first port of the second radiator is connected to the bottom surface of the combustion zone; the second port of the radiator II faces upwards; wherein the first port is larger than the second port.
3. The microwave oxidizer of claim 1, wherein the sparger comprises a denitrifier therein.
4. The microwave combustion-supporting device as claimed in claim 1, further comprising a sensor for detecting a gas concentration at the exhaust port.
5. The microwave combustion-supporting device as claimed in claim 4, wherein the microwave combustion-supporting device further comprises a controller, and the controller is connected with the microwave source and the sensor.
6. The microwave combustion-supporting device as claimed in claim 5, wherein the controller is configured to control the operating power of the microwave source according to the gas concentration at the exhaust port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121547450.4U CN218645562U (en) | 2021-07-08 | 2021-07-08 | Microwave combustion-supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121547450.4U CN218645562U (en) | 2021-07-08 | 2021-07-08 | Microwave combustion-supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218645562U true CN218645562U (en) | 2023-03-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121547450.4U Active CN218645562U (en) | 2021-07-08 | 2021-07-08 | Microwave combustion-supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218645562U (en) |
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2021
- 2021-07-08 CN CN202121547450.4U patent/CN218645562U/en active Active
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