CN216114068U - Dangerous waste melting and secondary combustion chamber integrated furnace - Google Patents
Dangerous waste melting and secondary combustion chamber integrated furnace Download PDFInfo
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- CN216114068U CN216114068U CN202121629903.8U CN202121629903U CN216114068U CN 216114068 U CN216114068 U CN 216114068U CN 202121629903 U CN202121629903 U CN 202121629903U CN 216114068 U CN216114068 U CN 216114068U
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Abstract
The utility model discloses a dangerous waste melting and secondary combustion chamber integrated furnace, which comprises: the furnace body is internally provided with a melting tank and a secondary chamber which are communicated, and the secondary chamber is positioned above the melting tank; the molybdenum electrode gun seats are arranged on the side wall of the furnace body in a penetrating way, communicated with the melting tank and used for inserting molybdenum electrodes; the plurality of plasma torch gun seats are arranged on the side wall of the furnace body in a penetrating way, are positioned above the molybdenum electrode gun seats, are communicated with the top of the melting pool and are used for inserting plasma torches; the feeding hole is arranged on the furnace body and communicated with the melting tank; the slag discharging port is arranged on the furnace body and communicated with the melting tank; and the smoke discharge port is arranged on the furnace body and communicated with the top of the secondary chamber cavity. The second combustion chamber can directly utilize the heat energy of the melting tank to treat the flue gas, thereby saving energy and reducing the operation cost. The utility model is applied to the field of hazardous waste treatment devices.
Description
Technical Field
The utility model relates to the field of hazardous waste treatment devices, in particular to a hazardous waste melting and secondary combustion chamber integrated furnace.
Background
At present, the pyrogenic process technology of incineration, melting and the like is one of the main means for disposing hazardous wastes in China, and according to the requirements of the national mandatory standard of hazardous waste incineration pollution control standard (GB 18484-. In existing disposal lines, the secondary combustion chamber and the pyrometallurgical processing body are usually separate, with the secondary combustion chamber being provided separately. After the solid garbage enters the pyrogenic process treatment main body, the solid garbage is dried and burned out or melted under the condition of preset temperature, and toxic and harmful organic gases generated in the process enter a secondary combustion chamber for full combustion, so that the toxic and harmful gases are effectively treated, and the generation of highly toxic gases, such as dioxin, is controlled.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides the hazardous waste melting and secondary combustion chamber integrated furnace, the secondary combustion chamber can directly utilize the heat energy of the melting pool to treat the flue gas, the energy is saved, and the operation cost is reduced.
The technical scheme adopted by the embodiment of the utility model is as follows: dangerous waste melting and secondary combustion chamber integrated furnace, comprising: the furnace body is internally provided with a melting tank and a secondary chamber which are communicated, and the secondary chamber is positioned above the melting tank; the molybdenum electrode gun seats are arranged on the side wall of the furnace body in a penetrating way, communicated with the melting tank and used for inserting molybdenum electrodes; the plasma torch bases are arranged on the side wall of the furnace body in a penetrating mode, are positioned above the molybdenum electrode base, are communicated with the top of the melting pool and are used for inserting plasma torches; the feed inlet is arranged on the furnace body and communicated with the melting tank; the slag discharging port is arranged on the furnace body and communicated with the melting tank; and the smoke discharge port is arranged on the furnace body and communicated with the top of the secondary chamber cavity.
The hazardous waste melting and secondary combustion chamber integrated furnace provided by the embodiment of the utility model at least has the following beneficial effects:
1. energy is saved, the heat energy of the melting tank can be directly utilized by the two combustion chamber cavities, organic gas and toxic and harmful gas generated by melting are treated, most of organic gas such as dioxin in flue gas is thoroughly decomposed into carbon dioxide and water, and therefore the hazardous waste can be effectively treated up to the standard;
2. the integrated structure has the advantages of high integration, small occupied area and low manufacturing cost. Compared with the traditional split type design, the integrated design and the integrated arrangement are adopted, the connection is reasonable and compact, and the economical efficiency is better.
3. The molybdenum electrode can independently control current and voltage, and can correspondingly adjust the state of the materials in the melting pool according to the running condition, so that the internal materials are integrally kept in a good state, and compared with direct melting by a plasma torch, the molybdenum electrode has lower energy consumption and higher efficiency;
4. the plasma torch can adjust the power through frequency conversion, thereby rapidly adjusting the temperature of the whole melting tank and the temperature of the secondary chamber cavity and more conveniently controlling the temperature of the flue gas entering the secondary chamber cavity.
According to some embodiments of the utility model, a plurality of the molybdenum electrode gun rests are disposed around the molten pool.
According to some embodiments of the utility model, a plurality of plasma torch seats are disposed around the top of the molten pool.
According to some embodiments of the utility model, the cross-sectional area of the melt pool to the secondary chamber cavity increases sequentially.
According to some embodiments of the utility model, the bottom of the molten pool is a spherical groove.
According to some embodiments of the utility model, the slag discharge port is an overflow type slag discharge port, and the overflow type slag discharge port is obliquely and penetratingly arranged on the side wall of the furnace body, is communicated with the melting tank, and is positioned at the inner wall end of the furnace body lower than the outer wall end of the furnace body.
According to some embodiments of the utility model, the slag discharge port is a metal slag discharge port, and is horizontally arranged on the side wall of the furnace body in a penetrating manner and communicated with the bottommost part of the melting tank.
According to some embodiments of the utility model, the feed inlet is arranged on the side wall of the furnace body in a penetrating manner, is communicated with the second combustion chamber cavity, and is positioned at the inner wall end of the furnace body lower than the outer wall end of the furnace body.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a hazardous waste melting, secondary combustion chamber integrated furnace according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view taken along section a-a in fig. 1.
Reference numerals: 100-furnace body; 110-a molten pool; 120-a secondary chamber cavity; 200-molybdenum electrode gun seats; 300-a plasma torch base; 400-a feed inlet; 500-slag discharge port; 510-overflow type slag discharge port; 520-metal slag discharge port; 600-flue gas discharge port.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element 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.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 and 2, in some embodiments of the present invention, a hazardous waste melting, two-chamber integrated furnace includes:
the furnace comprises a furnace body 100, wherein a melting tank 110 and a secondary chamber 120 which are communicated are arranged in the furnace body 100, and the secondary chamber 120 is positioned above the melting tank 110;
the molybdenum electrode gun seats 200 are arranged on the side wall of the furnace body 100 in a penetrating way, communicated with the melting tank 110 and used for inserting molybdenum electrodes;
the plasma torch base 300 is arranged on the side wall of the furnace body 100 in a penetrating way, is positioned above the molybdenum electrode base 200, is communicated with the top of the melting pool 110 and is used for inserting a plasma torch;
the feed inlet 400 is arranged on the furnace body 100, and is communicated with the melting tank 110;
a slag discharge port 500, wherein the slag discharge port 500 is arranged on the furnace body 100 and communicated with the melting tank 110;
and the smoke discharge port 600 is arranged on the furnace body 100, and is communicated with the top of the secondary combustion chamber 120.
Specifically, the second combustion chamber 120 can directly utilize the heat energy of the melting tank 110 to treat the organic gas and the toxic and harmful gas generated by melting, most of the organic gas such as dioxin in the flue gas is thoroughly decomposed into carbon dioxide and water, and thus the hazardous waste can be effectively treated up to the standard; and the second combustion chamber 120 and the melting tank 110 are integrally formed, so that the integration is high, the occupied area is small, and the manufacturing cost is low. Compared with the traditional split type design, the integrated design and the integrated arrangement are adopted, the connection is reasonable and compact, and the economical efficiency is better.
Meanwhile, the molybdenum electrode can independently control current and voltage, and the state of the materials in the melting tank 110 can be correspondingly adjusted according to the running condition, so that the internal materials are integrally kept in a good state; the plasma torch can adjust the power through frequency conversion, so that the temperature of the whole melting tank 110 and the temperature of the secondary combustion chamber 120 can be quickly adjusted, and the materials can be more conveniently controlled.
Referring to fig. 1 and 2, in some embodiments of the utility model, a plurality of molybdenum electrode gun holders 200 are disposed around the melt pool 110.
Specifically, in this embodiment, the number of the molybdenum electrode gun seats 200 is 3, the molybdenum electrode gun seats are uniformly distributed around the furnace body 100, and are connected with the molten material in the melting tank 110 to maintain the temperature of the material in the melting tank 110, compared with the plasma torch which maintains the melting tank 110 through thermal radiation, the molybdenum electrode gun has higher efficiency and lower energy consumption.
Referring to fig. 1, in some embodiments of the utility model, a plurality of plasma torch seats 300 are disposed around the top of the melt pool 110.
Specifically, in this embodiment, the number of the plasma torch bases 300 is 3, and the plasma torch bases are uniformly distributed around the furnace body 100 and located at the top of the molten material in the melting tank 110, so that when the plasma torch is used, the temperature of the outlet of the secondary combustion chamber 120 is not less than 1100 ℃, and when the temperature is not less than 1100 ℃, harmful substances and incompletely decomposed organic substances in the flue gas can be better decomposed, and then the better melting of the materials can be assisted. And the plasma gasification melting technology is adopted, the high-temperature melting is realized, the treatment effect is good, the harmless degree is high, the generated smoke gas comprises harmful substances such as dioxin, furan and the like which are gasified, cracked and decomposed in the ultrahigh-temperature environment in the furnace in the melting and gasification process, meanwhile, inorganic substances are solidified, and the glass body can be formed by adopting a proper slagging technology.
Referring to FIG. 1, in some embodiments of the utility model, the cross-sectional area of the melt pool 110 to the secondary combustion chamber 120 increases sequentially.
Specifically, in this embodiment, the secondary combustion chamber 120 and the melting tank 110 are both cylindrical, and the diameter of the secondary combustion chamber 120 is larger than that of the melting tank 110, so that when the flue gas enters the secondary combustion chamber 120 from the melting tank 110, the flow rate of the flue gas is reduced, and the flue gas can stay in the secondary combustion chamber 120 for a longer time, so as to sufficiently decompose harmful substances and incompletely decomposed organic substances in the flue gas, so that most organic gases such as dioxin in the flue gas are completely decomposed into carbon dioxide and water, and finally, the standard treatment of hazardous waste is achieved.
Referring to FIG. 1, in some embodiments of the utility model, the bottom of the melt pool 110 is a spherical recess.
Specifically, compared with a flat-bottom design, the spherical groove does not cause deposition, solidification and gelation of metal molten slurry at the edge of the flat bottom and block the discharge of metal slag; meanwhile, the metal slag is stacked on the round bottom, and is simpler and cleaner when being discharged.
Referring to fig. 1, in some embodiments of the present invention, the slag discharge port 500 is an overflow type slag discharge port 510, and the overflow type slag discharge port 510 is obliquely disposed through the sidewall of the furnace body 100, is communicated with the molten pool 110, and is located at the inner wall end of the furnace body 100 lower than the outer wall end of the furnace body 100.
Specifically, through overflow formula slag discharge opening 510, can adjust overflow formula slag discharge opening 510's height as required, can insert the pipeline outside overflow formula slag discharge opening 510 to extend overflow formula slag discharge opening 510's height, or can dismantle overflow formula slag discharge opening 510 and furnace body 100 and link to each other, with the overflow formula slag discharge opening 510 of changing co-altitude, thereby change and melt pond material degree of depth, more convenient to use.
Referring to fig. 1, in some embodiments of the present invention, the slag tap 500 is a metal slag tap 520 horizontally disposed through the sidewall of the furnace body 100 and communicated with the bottom of the molten pool 110.
Specifically, the slag deposited on the bottom of the molten pool 110 is discharged through the slag discharge port 520 to prevent the slag from being accumulated, thereby reducing the use space of the molten pool 110.
Referring to fig. 1, in some embodiments of the present invention, the feed inlet 400 is disposed through the sidewall of the furnace body 100, is communicated with the second chamber 120, and is located at the inner wall end of the furnace body 100 lower than the outer wall end of the furnace body 100.
Particularly, by arranging the inclined feeding hole 400, the feeding of materials is more convenient, and the use is more convenient.
The present invention is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (8)
1. The utility model provides a dangerous waste melting, integrative stove in second combustion chamber which characterized in that includes:
the furnace comprises a furnace body (100), wherein a melting tank (110) and a secondary chamber (120) which are communicated with each other are arranged in the furnace body (100), and the secondary chamber (120) is positioned above the melting tank (110);
the molybdenum electrode gun holders (200) are arranged on the side wall of the furnace body (100) in a penetrating manner, communicated with the melting tank (110) and used for inserting molybdenum electrodes;
the plasma torch bases (300) are arranged on the side wall of the furnace body (100) in a penetrating mode, located above the molybdenum electrode base (200), communicated with the top of the melting pool (110) and used for being inserted with plasma torches;
the feed inlet (400), the said feed inlet (400) is set up on the said furnace body (100), communicate with said molten pool (110);
the slag discharging port (500) is arranged on the furnace body (100) and communicated with the melting tank (110);
the flue gas discharge port (600), the flue gas discharge port (600) set up in furnace body (100) is in communication with the top of combustion chamber (120).
2. A hazardous waste melting, two-chamber integrated furnace as claimed in claim 1, wherein: a plurality of the molybdenum electrode gun rests (200) are disposed around the melt pool (110).
3. A hazardous waste melting, two-chamber integrated furnace as claimed in claim 1, wherein: a plurality of plasma torch seats (300) are disposed around the top of the molten pool (110).
4. A hazardous waste melting, two-chamber integrated furnace as claimed in claim 1, wherein: the cross-sectional area of the melt pool (110) to the secondary chamber cavity (120) increases in sequence.
5. A hazardous waste melting, two-chamber integrated furnace as claimed in claim 1, wherein: the bottom of the melting pool (110) is a spherical groove.
6. A hazardous waste melting, two-chamber integrated furnace as claimed in claim 1, wherein: the slag discharging port (500) is an overflow type slag discharging port (510), the overflow type slag discharging port (510) is obliquely communicated with the side wall of the furnace body (100) and communicated with the melting pool (110), and the inner wall end of the furnace body (100) is lower than the outer wall end of the furnace body (100).
7. A hazardous waste melting, two-chamber integrated furnace as claimed in claim 1 or 6, wherein: the slag discharge port (500) is a metal slag discharge port (520) which is horizontally arranged on the side wall of the furnace body (100) in a penetrating way and is communicated with the bottommost part of the melting tank (110).
8. A hazardous waste melting, two-chamber integrated furnace as claimed in any one of claims 1 to 6, wherein: the feed inlet (400) is arranged on the side wall of the furnace body (100) in a penetrating manner, is communicated with the second combustion chamber cavity (120), and is positioned at the inner wall end of the furnace body (100) and is lower than the outer wall end of the furnace body (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121629903.8U CN216114068U (en) | 2021-07-16 | 2021-07-16 | Dangerous waste melting and secondary combustion chamber integrated furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121629903.8U CN216114068U (en) | 2021-07-16 | 2021-07-16 | Dangerous waste melting and secondary combustion chamber integrated furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216114068U true CN216114068U (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121629903.8U Active CN216114068U (en) | 2021-07-16 | 2021-07-16 | Dangerous waste melting and secondary combustion chamber integrated furnace |
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| CN (1) | CN216114068U (en) |
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- 2021-07-16 CN CN202121629903.8U patent/CN216114068U/en active Active
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