CN219841536U - Garbage fly ash melting furnace - Google Patents
Garbage fly ash melting furnace Download PDFInfo
- Publication number
- CN219841536U CN219841536U CN202321184388.6U CN202321184388U CN219841536U CN 219841536 U CN219841536 U CN 219841536U CN 202321184388 U CN202321184388 U CN 202321184388U CN 219841536 U CN219841536 U CN 219841536U
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- China
- Prior art keywords
- furnace body
- furnace
- fly ash
- heat
- outer side
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- 239000010881 fly ash Substances 0.000 title claims abstract description 24
- 238000002844 melting Methods 0.000 title claims abstract description 17
- 230000008018 melting Effects 0.000 title claims abstract description 17
- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 239000002699 waste material Substances 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 6
- 239000002956 ash Substances 0.000 claims description 3
- 230000004927 fusion Effects 0.000 claims 5
- 230000017525 heat dissipation Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 7
- 239000000110 cooling liquid Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000011819 refractory material Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 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 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009920 chelation Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Gasification And Melting Of Waste (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The utility model discloses a garbage fly ash melting furnace, which comprises a furnace body, wherein a first electrode is fixedly arranged at the upper end of the middle part of the inner side of the furnace body, a second electrode is fixedly arranged at the middle part of the lower end of the inner side of the furnace body, connecting pipes are fixedly arranged at the upper end and the lower end of the furnace body, a heat dissipation mechanism is arranged on the outer side surface of the furnace body, the heat dissipation mechanism comprises an outer side shell, a cavity and heat dissipation fin plates, the outer side surface of the furnace body is fixedly provided with an outer side shell, a cavity is arranged between the outer side shell and the furnace body, and a plurality of heat dissipation fin plates are uniformly and fixedly arranged on the outer side surface of the outer side shell. The utility model has good use effect, can rapidly radiate heat at the bottom and the side of the furnace body when needed, thereby effectively preventing the bottom anode heat effect from burning out the furnace bottom, and also preventing the fly ash from being remained at the bottom of the furnace body after being melted, so that the bottom and the side wall of the furnace body are both subjected to high temperature and the temperature resistant layer is damaged for a long time.
Description
Technical Field
The utility model relates to the technical field of fly ash melting furnaces, in particular to a garbage fly ash melting furnace.
Background
Fly ash generated by incineration of household garbage contains substances such as heavy metal, dioxin and the like, belongs to the category of dangerous wastes, and the current treatment mode for the dangerous wastes mainly comprises sanitary landfill after chelation and solidification, has higher cost and occupies a large amount of precious land resources. The fly ash from incineration of the household garbage can be harmless, volume-reduced and recycled by the plasma melting technology. The plasma generation mechanism of the direct current arc ion melting furnace is arc discharge between anode and cathode electrodes, the cathode is a graphite electrode at the upper part of the furnace body, the anode exists in the bottom structure of the melting furnace, and the molten material is heated and melted by the plasma in the area on the bottom. Current flows from the bottom anode to the cathode graphite and through the heated fly ash, which is an electrical conductor in the molten state, which is melted and vitrified by the arc plasma.
In the prior art, because the molten fly ash is in direct contact with the refractory material of the furnace bottom in the melting process, the bottom anode heat effect is easy to exist, the furnace bottom is easy to burn out, the fly ash is also left at the bottom of the furnace body after being melted, the bottom and the side wall of the furnace body are subjected to high temperature, the service life of the refractory material of the furnace bottom is generally less than 6 months at present, the system operation needs to be stopped and the working layer of the refractory material needs to be overhauled, and therefore, the garbage fly ash melting furnace is needed to solve the problems.
Disclosure of Invention
The utility model aims to provide a garbage fly ash melting furnace for solving the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a rubbish flying ash melting furnace, includes the furnace body, the inboard middle part upper end of furnace body is fixedly provided with first electrode, the inboard lower extreme middle part of furnace body is fixedly provided with the second electrode, the furnace body upper end is all fixedly provided with the connecting pipe with the lower extreme, furnace body outside surface is provided with cooling mechanism, cooling mechanism includes outside casing, cavity, heat dissipation fin plate, furnace body outside fixed surface is provided with outside casing, be provided with the cavity between outside casing and the furnace body, outside casing outside surface evenly fixedly is provided with a plurality of heat dissipation fin plates.
Preferably, the side wall of the inner side of the furnace body is provided with a heat-resistant layer, and the furnace body can be prevented from being damaged by the heat-resistant layer against high temperature generated by equipment operation.
Preferably, the inside of the cavity is in a vacuum state, and heat transfer can be reduced to the greatest extent through the cavity in the vacuum state, so that unnecessary heat loss can be avoided when the furnace body needs to be heated, and the using effect of the device can be improved.
Preferably, an inlet pipe is fixedly arranged at one side of the upper end of the outer shell, an exhaust pipe is fixedly arranged at one side of the inlet pipe at the upper end of the outer shell, a heat-conducting medium can be conveniently injected into the cavity through the inlet pipe, cooling liquid can be selected as required, and the heat-conducting and heat-radiating functions of the outer shell and the heat-radiating fin plates are fully opened when the heat-conducting medium is injected, so that the lower end and the side wall of the furnace body can be radiated, and the furnace bottom and the heat-resisting layer can be prevented from being burnt; and the cavity can be sucked into vacuum again by the discharge pipe matched with the pump body.
Preferably, a first connecting flange is fixedly arranged at one end of the connecting pipe, and the connecting pipe can be conveniently connected with other pipelines in an external mode through the first connecting flange.
Preferably, the second connecting flange is fixedly arranged at one end of the inlet pipe and one end of the outlet pipe, and the inlet pipe and the outlet pipe can be conveniently connected with other pipelines or pump bodies in an external mode through the second connecting flange.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, a heat-conducting medium can be injected into the cavity through the inlet pipe according to the requirement, the heat-conducting medium can be a cooling liquid or air, the heat-conducting medium can be selected according to the requirement, at the moment, the heat conduction is carried out through the air or the cooling liquid, and the heat conduction and heat dissipation functions of the outer shell and the heat dissipation fin plates are fully opened when the heat-conducting medium is injected, so that the heat dissipation can be carried out on the lower end and the side wall of the furnace body, and the burning of the furnace bottom and the heat-resistant layer can be prevented.
2. The utility model can be matched with the pump body through the discharge pipe to suck the cavity into vacuum again, and can maximally reduce the heat transfer when the cavity is vacuum, thereby reducing unnecessary heat loss when the furnace body needs to be heated, and improving the using effect of the device.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a waste fly ash melting furnace according to the utility model;
FIG. 2 is a cross-sectional view of the overall structure of a waste fly ash melting furnace according to the utility model;
fig. 3 is a bottom view of a waste fly ash melting furnace according to the present utility model.
In the figure: 1. a furnace body; 2. a first electrode; 3. a second electrode; 4. a connecting pipe; 5. an outer housing; 6. a cavity; 7. a heat radiation fin plate; 8. an inlet tube; 9. a discharge pipe; 10. a first connection flange; 11. and a second connecting flange.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a rubbish flying ash melting furnace, includes furnace body 1, the inboard middle part upper end of furnace body 1 is fixed to be provided with first electrode 2, the inboard lower extreme middle part of furnace body 1 is fixed to be provided with second electrode 3, furnace body 1 upper end and lower extreme are all fixed to be provided with connecting pipe 4, furnace body 1 outside surface is provided with cooling mechanism, cooling mechanism includes outside casing 5, cavity 6, fin plate 7, furnace body 1 outside fixed surface is provided with outside casing 5, be provided with cavity 6 between outside casing 5 and the furnace body 1, the even fixed a plurality of fin plate 7 that are provided with in outside casing 5 outside surface.
The side wall of the inner side of the furnace body 1 is provided with a heat-resistant layer, and the furnace body 1 can be prevented from being damaged by the heat-resistant layer against high temperature generated by equipment operation;
the inside of the cavity 6 is in a vacuum state, and the heat transfer can be reduced to the greatest extent through the cavity 6 in the vacuum state, so that unnecessary heat loss can be avoided when the furnace body 1 needs to be heated, and the using effect of the device can be improved;
an inlet pipe 8 is fixedly arranged at one side of the upper end of the outer side shell 5, an exhaust pipe 9 is fixedly arranged at one side of the inlet pipe 8 at the upper end of the outer side shell 5, a heat-conducting medium can be conveniently injected into the cavity 6 through the inlet pipe 8, cooling liquid can be selected as well as air can be selected according to the needs, and the heat-conducting and heat-radiating functions of the outer side shell 5 and the heat-radiating fin plates 7 are fully opened when the heat-conducting medium is injected, so that the lower end and the side wall of the furnace body 1 can be radiated, and the furnace bottom and the heat-resistant layer can be prevented from being burnt; the interior of the cavity 6 can be sucked into vacuum again by matching with the pump body through the discharge pipe 9;
a first connecting flange 10 is fixedly arranged at one end of the connecting pipe 4, and the connecting pipe 4 can be conveniently externally connected with other pipelines through the first connecting flange 10;
the second connecting flange 11 is fixedly arranged at one end of the inlet pipe 8 and one end of the outlet pipe 9, and the inlet pipe 8 and the outlet pipe 9 can be conveniently externally connected with other pipelines or pump bodies through the second connecting flange 11.
Working principle: when the device is used, the first electrode 2 and the second electrode 3 in the furnace body 1 generate high temperature to melt the fly ash, the melted fly ash is deposited at the lower end in the furnace body 1 along with the use of the device, a heat-conducting medium, cooling liquid or air can be injected into the cavity 6 according to the need, the cooling liquid can be selected according to the need, at the moment, the heat conduction is carried out through the air or the cooling liquid, and the heat conduction and heat dissipation functions of the outer shell 5 and the heat dissipation fin plates 7 are fully opened when the heat-conducting medium is injected, so that the lower end and the side wall of the furnace body 1 can be dissipated, and the furnace bottom and the heat-resistant layer can be prevented from being burnt; the inner part of the cavity 6 can be sucked into vacuum again by matching with the pump body through the discharge pipe 9, and the heat transfer can be reduced to the greatest extent when the inner part of the cavity 6 is vacuumized, so that unnecessary heat loss can be avoided when the furnace body 1 needs to be heated, and the using effect of the device can be improved, namely the working principle of the garbage fly ash melting furnace.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a rubbish flying ash melting furnace, includes furnace body (1), its characterized in that: the utility model discloses a furnace body, including furnace body (1), furnace body (1) are provided with first electrode (2) in inboard middle part upper end is fixed, furnace body (1) are provided with second electrode (3) in inboard lower extreme middle part is fixed, furnace body (1) upper end and lower extreme are all fixed be provided with connecting pipe (4), furnace body (1) outside surface is provided with cooling mechanism, cooling mechanism includes outside casing (5), cavity (6), fin board (7), furnace body (1) outside fixed surface is provided with outside casing (5), be provided with cavity (6) between outside casing (5) and furnace body (1), outside casing (5) outside surface evenly fixed is provided with a plurality of fin boards (7).
2. A waste fly ash fusion furnace as defined in claim 1, wherein: the inner side wall of the furnace body (1) is provided with a heat-resistant layer.
3. A waste fly ash fusion furnace as defined in claim 1, wherein: the inside of the cavity (6) is in a vacuum state.
4. A waste fly ash fusion furnace as defined in claim 1, wherein: an inlet pipe (8) is fixedly arranged at one side of the upper end of the outer side shell (5), and an outlet pipe (9) is fixedly arranged at one side of the inlet pipe (8) at the upper end of the outer side shell (5).
5. A waste fly ash fusion furnace as defined in claim 1, wherein: one end of the connecting pipe (4) is fixedly provided with a first connecting flange (10).
6. A waste fly ash fusion furnace as defined in claim 4, wherein: and a second connecting flange (11) is fixedly arranged at one end of the inlet pipe (8) and one end of the outlet pipe (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321184388.6U CN219841536U (en) | 2023-05-17 | 2023-05-17 | Garbage fly ash melting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321184388.6U CN219841536U (en) | 2023-05-17 | 2023-05-17 | Garbage fly ash melting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219841536U true CN219841536U (en) | 2023-10-17 |
Family
ID=88299394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321184388.6U Active CN219841536U (en) | 2023-05-17 | 2023-05-17 | Garbage fly ash melting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219841536U (en) |
-
2023
- 2023-05-17 CN CN202321184388.6U patent/CN219841536U/en active Active
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