CN220103148U - Device for treating cremation machine flue gas by utilizing microwaves - Google Patents
Device for treating cremation machine flue gas by utilizing microwaves Download PDFInfo
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- CN220103148U CN220103148U CN202321207072.4U CN202321207072U CN220103148U CN 220103148 U CN220103148 U CN 220103148U CN 202321207072 U CN202321207072 U CN 202321207072U CN 220103148 U CN220103148 U CN 220103148U
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- flue gas
- microwave
- wave
- absorbing material
- material layer
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 239000003546 flue gas Substances 0.000 title claims abstract description 43
- 239000011358 absorbing material Substances 0.000 claims abstract description 30
- 238000005336 cracking Methods 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 238000004321 preservation Methods 0.000 claims abstract description 7
- 239000000779 smoke Substances 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 241000208125 Nicotiana Species 0.000 claims description 10
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 8
- 239000000498 cooling water Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 5
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 5
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims description 3
- 229910052863 mullite Inorganic materials 0.000 claims description 3
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 abstract description 34
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 7
- 239000003344 environmental pollutant Substances 0.000 abstract description 6
- 231100000719 pollutant Toxicity 0.000 abstract description 6
- 230000009471 action Effects 0.000 abstract description 4
- 230000004913 activation Effects 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000000746 purification Methods 0.000 abstract description 3
- 230000008929 regeneration Effects 0.000 abstract description 3
- 238000011069 regeneration method Methods 0.000 abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 12
- 238000000197 pyrolysis Methods 0.000 description 10
- 239000000126 substance Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000013543 active substance Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000004827 dibenzo-1,4-dioxins Chemical class 0.000 description 1
- 150000004826 dibenzofurans Chemical class 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000002934 lysing effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 150000003071 polychlorinated biphenyls Chemical group 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Abstract
The utility model relates to the technical field of flue gas purification, in particular to a device for treating cremation machine flue gas by utilizing microwaves, which comprises an equipment shell, a plurality of microwave transmitters arranged on the equipment shell, a heat preservation layer and a wave-absorbing material layer arranged on the inner side of the equipment shell, a groove arranged on the inner side of the wave-absorbing material layer and a cracking mechanism communicated with the equipment shell through a pipeline, wherein the cracking mechanism comprises a cracking container and a plurality of plasma torches arranged around the cracking container. The microwave emitter emits microwaves to heat the wave-absorbing material layer, the wave-absorbing material layer is heated rapidly under the action of the microwaves and transfers heat to the flue gas in the groove, so that dioxin in the flue gas is preheated and heated before cracking, and regeneration of the dioxin is prevented. In addition, the microwave high-frequency vibration is utilized to polarize and activate the pollutant molecules such as dioxin in the flue gas, so that the reaction activation energy is reduced, and the energy is saved in the subsequent complete cracking process of the dioxin.
Description
Technical Field
The utility model relates to the technical field of flue gas purification, in particular to a device for treating cremation machine flue gas by microwaves.
Background
In the cremation process of remains, various gases are released, and the gases are a complex mixed pollution source, wherein dioxin is the focus of various social circles, and the dioxin is usually composed of polychlorinated dibenzo-p-dioxin, polychlorinated dibenzofuran and coplanar polychlorinated biphenyl, so that the substances are stable and are difficult to degrade in natural environments. Researches show that the generation temperature of the dioxin is mainly in the range of 250-850 ℃, the most suitable generation condition of the dioxin is that the dioxin is not fully combusted, and part of the dioxin is generated in the flue gas which is slowly cooled after the dioxin is fully combusted, and most of cremator hearths at present cannot reach the optimal working environment and temperature due to the production working condition, so that the domestic cremation industry still faces the condition that the dioxin in the generated flue gas exceeds the standard. The existing control method for dioxin in generated flue gas mainly improves the filtering precision of a bag type dust collector to effectively intercept particulate matters, the dioxin is attached to the particulate matters to be blocked to achieve the purpose of removing the dioxin, the process method has limited dioxin removing efficiency, partial effect can only achieve about 25% of removing rate, the process adopts an activated carbon adsorption method to remove the dioxin, the removing efficiency can reach 85%, but the maintenance workload is greatly increased by using an activated carbon adsorption process, the polluted activated carbon is still solid waste, the polluted activated carbon still needs to be incinerated, and the daily accumulated activated carbon consumption and the disposal cost of the later activated carbon are very high.
Disclosure of Invention
The utility model aims to solve the problems and provide a device for treating cremation machine flue gas by utilizing microwaves, which is characterized in that the microwave emitter emits microwaves to preheat and heat dioxin in the flue gas before cracking, so that the temperature of the flue gas is prevented from being reduced before cracking the dioxin, and further, the regeneration of the dioxin is prevented.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an utilize device of microwave treatment cremation machine flue gas, includes the equipment casing, locates a plurality of microwave emitter on the equipment casing, locates heat preservation and the wave absorbing material layer of equipment casing inboard, locates the inboard slot of wave absorbing material layer and passes through the pyrolysis mechanism of pipeline and equipment casing intercommunication, and pyrolysis mechanism includes pyrolysis container and sets up a plurality of plasma torch around pyrolysis container.
Based on the technical scheme, the utility model can also be improved as follows:
further, the cross section of equipment casing is square, a plurality of microwave transmitters set up around the equipment casing, and equipment casing one end is equipped with into the tobacco pipe, and the opposite other end is equipped with out the tobacco pipe, slot one end and the intercommunication of advancing the tobacco pipe, the other end and play tobacco pipe intercommunication, schizolysis container and play tobacco pipe connection.
Further, the grooves are continuously S-shaped or spirally distributed on the inner side of the wave-absorbing material layer.
Further, the smoke outlet pipe is provided with an electromagnetic valve and a temperature sensor, and the electromagnetic valve and the temperature sensor are electrically connected with the PLC.
Further, a microwave cavity is arranged on the inner side of the equipment shell, an insulation layer and a wave-absorbing material are sequentially filled in the microwave cavity from outside to inside, the insulation layer is a special-shaped material with a pentahedron structure, the special-shaped material is sintered by polycrystalline mullite, and the wave-absorbing material layer adopts silicon carbide as a heating medium.
Further, the microwave emitter comprises a magnetron and a waveguide, wherein the magnetron is a water-cooled magnetron, circulating cooling water is filled in the magnetron, and the magnetron is connected to the waveguide through a bolt.
Further, the microwave emitter is connected with the circulating water cooling system, the microwave power cabinet and the power distribution control box to form a microwave emitting system.
The beneficial effects of the utility model are as follows: compared with the prior art, in the device for treating cremation machine flue gas by utilizing microwaves, the microwave emitter emits microwaves into the microwave cavity to heat the wave-absorbing material layer, the wave-absorbing material layer is quickly heated under the action of the microwaves and transfers heat to the flue gas in the groove, so that dioxin in the flue gas is preheated and heated before cracking, and the temperature of the flue gas is prevented from being reduced before cracking the dioxin, so that the dioxin is regenerated. In addition, the microwave high-frequency vibration is utilized to polarize and activate the pollutant molecules such as dioxin in the flue gas, so that the reaction activation energy is reduced, and the energy is saved in the subsequent complete cracking process of the dioxin.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of the structure of an apparatus for treating cremator flue gas using microwaves according to a preferred embodiment of the present utility model;
FIG. 2 is a side cross-sectional view of the apparatus of FIG. 1 for treating cremator flue gas with microwaves;
FIG. 3 is a schematic diagram of the structure of a microwave transmission system;
in the figure: 1. an equipment housing; 11. a smoke inlet pipe; 12. a smoke outlet pipe; 121. an electromagnetic valve; 122. a temperature sensor; 2. a microwave emitter; 21. a circulating water cooling system; 22. a microwave power supply cabinet; 23. a power distribution control box; 3. a heat preservation layer; 4. a wave-absorbing material layer; 5. a groove; 6. a lysing mechanism; 61. a pyrolysis container; 62. and (5) plasma torch.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and examples, which are simplified schematic illustrations of the basic structure of the utility model, which are presented only by way of illustration, and thus show only the structures that are relevant to the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; 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 utility model can be understood by those of ordinary skill in the art in a specific case.
As shown in fig. 1, 2 and 3, a device for treating cremator flue gas by using microwaves according to a preferred embodiment of the present utility model includes a device housing 1, a plurality of microwave transmitters 2 provided on the device housing 1, a heat insulation layer 3 and a wave-absorbing material layer 4 provided on the inner side of the device housing 1, a groove 5 provided on the inner side of the wave-absorbing material layer 4, and a splitting mechanism 6 communicating with the device housing 1 through a pipe.
The cross section of the equipment shell 1 is square, and the plurality of microwave transmitters 2 are arranged around the equipment shell 1, so that the temperature of the flue gas entering the equipment shell 1 is quickly increased. One end of the equipment shell 1 is provided with a smoke inlet pipe 11, the opposite end is provided with a smoke outlet pipe 12, one end of the groove 5 is communicated with the smoke inlet pipe 11, and the other end is communicated with the smoke outlet pipe 12.
The inner side of the equipment shell 1 is provided with a microwave cavity, the microwave cavity is sequentially filled with a heat preservation layer 3 and a wave absorbing material layer 4 from outside to inside, the heat preservation layer 3 is a special-shaped material with a pentahedron structure sintered by polycrystalline mullite, and the heat preservation effect is good; the wave-absorbing material layer 4 adopts silicon carbide as a heating medium, the silicon carbide is used as the heating medium for heating and heating quickly, the energy transmission efficiency is high, and the silicon carbide can heat up firstly and then conduct heat to the flue gas flowing through the grooves 5 directly.
The microwave emitter 2 emits microwaves into the microwave cavity to heat the wave-absorbing material layer 4, so that heat exchange between the smoke flowing through the grooves 5 and the wave-absorbing material layer 4 is facilitated, the smoke is quickly heated, and the temperature of the smoke is above 850 ℃ after the temperature of the smoke is raised; the emitted microwaves act on the flue gas in the groove 5, and the molecules of pollutants such as dioxin in the flue gas are polarized and activated by utilizing the high-frequency vibration of the microwaves, so that the reaction activation energy is reduced, the energy of breaking chemical bonds is reduced, and the catalytic reaction is realized.
The pyrolysis mechanism 6 comprises a pyrolysis container 61 and a plurality of plasma torches 62 arranged around the pyrolysis container 61, and the pyrolysis container 61 is connected with the smoke outlet pipe 12. Each plasma torch 62 mainly comprises a cathode, a trigger electrode and an anode, the working principle of the plasma torch 62 is that gas is ionized by passing through an electric field between electrodes to form plasma, and active substances such as electrons, ions, free radicals and the like in the plasma are easy to react with pollutant components such as dioxin and the like in smoke, so that pollutants are quickly decomposed, and the purpose of degradation and purification is achieved; in addition, the plasma torch 62 can generate high temperature of 1700 ℃ or higher, and can completely crack toxic and harmful substances such as dioxin into micromolecular substances by utilizing the high-energy particle bombardment effect of the plasma. The number and power of the plasma torches 62 may be set as required, and preferably, 2 to 8 plasma torches 62 may be provided around the pyrolysis container 61, and the power of each plasma torch 62 may be set to 1 to 3kW as required.
When the microwave oven is used, the microwave emitter 2 is started firstly, the microwave emitter 2 emits microwaves into the microwave cavity to heat the wave-absorbing material layer 4, the smoke generated by burning remains by the cremation machine is discharged into the groove 5 along the smoke inlet pipe 11, the wave-absorbing material layer 4 is quickly heated under the action of the microwaves and transfers heat to the smoke, so that the smoke is quickly heated, and the temperature of the smoke is above 850 ℃ after the temperature of the smoke is raised; the flue gas enters the cracking container 61 along the smoke outlet pipe 12 after being preheated and heated, and the dioxin in the flue gas in the cracking container 61 is completely cracked by utilizing a plurality of plasma torches 62.
Specifically, the microwave emitter 2 comprises a magnetron and a waveguide, microwaves are emitted by the magnetron and uniformly distributed in the wave absorbing material layer 4 through a microwave feed port, the magnetron is a water-cooled magnetron, circulating cooling water is led into the magnetron, the magnetron is connected to the waveguide through a bolt, the power of the magnetron can be selected according to actual requirements, the magnetron is electrically connected with a PLC, and the power for supplying power and heating the magnetron is controlled through the PLC.
Preferably, the microwave emitter 2 is connected with a circulating water cooling system 21, a microwave power cabinet 22 and a distribution control box 23 to form a microwave emitting system. Specifically, the microwave emitters 2 are connected with the circulating water cooling system 21 through pipelines, the circulating water cooling system 21 is connected in a water cooling mode, the circulating water cooling system 21 comprises a water pump, the water pump pumps cooling water into a water inlet main pipeline, then the cooling water is respectively sent to magnetrons of the microwave emitters 2 through branch pipelines, then the cooling water enters a water return branch pipeline through a water return port, and finally the cooling water is converged into a water return main pipeline. Valves are arranged on the water inlet branch pipe and the water return branch pipe, so that the flow of cooling water of each electrode can be regulated as required, and the influence of each waterway is avoided. In addition, the microwave emitter 2 is connected with the microwave power cabinet 22 and the distribution control box 23 through wires, the microwave power cabinet 22 is used for providing electric energy, and the microwave emitter 2 converts the electric energy into heat energy.
Preferably, the grooves 5 are continuously S-shaped (as shown in fig. 1) or spirally distributed inside the wave-absorbing material layer 4, and two ends of the grooves 5 are respectively connected with the smoke inlet pipe 11 and the smoke outlet pipe 12 at two ends of the equipment casing 1. By arranging the grooves 5 in a continuous S-shape or spiral shape, it is advantageous to achieve a sufficient heat exchange between the flue gas flowing through the grooves 5 and the wave-absorbing material layer 4.
Preferably, the position of the smoke outlet pipe 12 is provided with an electromagnetic valve 121 and a temperature sensor 122, the electromagnetic valve 121 and the temperature sensor 122 are electrically connected with the PLC, the temperature sensor 122 is used for detecting the temperature of smoke flowing through the position of the smoke outlet pipe 12 in real time and sending the detected temperature value to the PLC, and when the temperature of the smoke is higher than a preset temperature value, the PLC controls the electromagnetic valve 121 to be opened.
In the device for treating cremator flue gas by utilizing microwaves, the microwave emitter 2 emits microwaves into the microwave cavity to heat the wave-absorbing material layer 4, the wave-absorbing material layer 4 is rapidly heated under the action of the microwaves and transfers heat to the flue gas in the groove 5, so that dioxin in the flue gas is preheated and heated before cracking, and the temperature of the flue gas is prevented from being reduced before cracking the dioxin, so that the regeneration of the dioxin is prevented. In addition, the microwave high-frequency vibration is utilized to polarize and activate the pollutant molecules such as dioxin in the flue gas, so that the reaction activation energy is reduced, and the energy is saved in the subsequent complete cracking process of the dioxin.
The above description of the embodiments of the present utility model, which is not related to the present utility model, belongs to the technology known in the art, and may be implemented with reference to the technology known in the art.
The above-described preferred embodiments according to the present utility model are intended to suggest that, from the above description, various changes and modifications can be made by the person skilled in the art without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (7)
1. The utility model provides a utilize device of microwave treatment cremation machine flue gas, includes equipment housing, its characterized in that: the device also comprises a plurality of microwave transmitters arranged on the device shell, a heat preservation layer and a wave-absorbing material layer arranged on the inner side of the device shell, a groove arranged on the inner side of the wave-absorbing material layer and a cracking mechanism communicated with the device shell through a pipeline, wherein the cracking mechanism comprises a cracking container and a plurality of plasma torches arranged around the cracking container.
2. The apparatus for treating cremator flue gas using microwaves according to claim 1, wherein: the cross section of equipment casing is square, a plurality of microwave transmitters set up around the equipment casing, and equipment casing one end is equipped with into the tobacco pipe, and the opposite other end is equipped with out the tobacco pipe, slot one end and the intercommunication of advancing the tobacco pipe, the other end and go out the tobacco pipe intercommunication, schizolysis container and go out the tobacco pipe and be connected.
3. The apparatus for treating cremator flue gas using microwaves according to claim 2, wherein: the grooves are continuously S-shaped or spirally distributed on the inner side of the wave-absorbing material layer.
4. A device for treating cremator flue gas using microwaves as claimed in claim 3, wherein: and the smoke outlet pipe is provided with an electromagnetic valve and a temperature sensor, and the electromagnetic valve and the temperature sensor are electrically connected with the PLC.
5. The apparatus for treating cremator flue gas using microwaves according to claim 2, wherein: the inside of the equipment shell is provided with a microwave cavity, the microwave cavity is sequentially filled with an insulation layer and a wave-absorbing material from outside to inside, the insulation layer is a special-shaped material with a pentahedron structure, the special-shaped material is sintered by polycrystalline mullite, and the wave-absorbing material layer adopts silicon carbide as a heating medium.
6. The apparatus for treating cremator flue gas using microwaves according to claim 1, wherein: the microwave emitter comprises a magnetron and a waveguide, wherein the magnetron is a water-cooled magnetron, circulating cooling water is filled in the magnetron, and the magnetron is connected to the waveguide through a bolt.
7. The apparatus for treating cremator flue gas using microwaves according to claim 1, wherein: the microwave emitter is connected with the circulating water cooling system, the microwave power cabinet and the distribution control box to form a microwave emitting system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321207072.4U CN220103148U (en) | 2023-05-18 | 2023-05-18 | Device for treating cremation machine flue gas by utilizing microwaves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321207072.4U CN220103148U (en) | 2023-05-18 | 2023-05-18 | Device for treating cremation machine flue gas by utilizing microwaves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220103148U true CN220103148U (en) | 2023-11-28 |
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ID=88869025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321207072.4U Active CN220103148U (en) | 2023-05-18 | 2023-05-18 | Device for treating cremation machine flue gas by utilizing microwaves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220103148U (en) |
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2023
- 2023-05-18 CN CN202321207072.4U patent/CN220103148U/en active Active
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