CN213983571U - High-temperature cracking furnace with secondary combustion chamber - Google Patents
High-temperature cracking furnace with secondary combustion chamber Download PDFInfo
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- CN213983571U CN213983571U CN202022561583.9U CN202022561583U CN213983571U CN 213983571 U CN213983571 U CN 213983571U CN 202022561583 U CN202022561583 U CN 202022561583U CN 213983571 U CN213983571 U CN 213983571U
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Abstract
The utility model discloses a take pyrolysis furnace of second combustion chamber relates to pyrolysis furnace technical field. The utility model discloses a structure includes high temperature furnace, circulating pipe, combustor, No. two combustors, cooling tower, active carbon adsorption tower, be provided with into the trachea on the top left side wall of high temperature furnace, the circulating pipe both ends respectively with high temperature furnace top left side wall on lower extreme position intercommunication, the bocca setting of combustor is going into the trachea downside, the bocca setting of No. two combustors is going into the trachea downside, be provided with the spiral pipe in the cooling tower, the spiral pipe both ends communicate with high temperature furnace and active carbon adsorption tower respectively. The utility model discloses make the material burning abundant, reduced the organic matter in the smoke and dust.
Description
Technical Field
The utility model relates to a pyrolysis furnace technical field especially relates to a take pyrolysis furnace of second combustion chamber.
Background
Industrial waste gas contains organic waste gas, and the organic waste gas contains a large amount of organic compounds such as carbon hydrocarbon compounds, benzene and benzene series, ketones, alcohols, aldehydes and the like, and has the characteristics of easy combustion, easy explosion, high treatment difficulty and the like, so the organic waste gas is generally treated by high-temperature combustion, and a high-temperature cracking furnace is required. The high-temperature cracking furnace in the prior art can only carry out one-time combustion in a single furnace and can not fully combust waste gas. If multiple combustion is required to completely decompose the waste gas, multiple single furnaces are required to continuously combust for multiple times, which not only consumes expenses, but also affects efficiency.
Accordingly, one skilled in the art provides a subject to solve the problems set forth in the background above.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the single furnace in the prior art can only carry out one-time combustion.
In order to solve the technical problem, the utility model provides a high temperature cracking furnace with a second combustion chamber, which comprises,
the combustion device structurally comprises a high-temperature furnace, wherein the high-temperature furnace is of a cylindrical shell structure, and an air inlet pipe is arranged on the left side wall of the upper half part of the high-temperature furnace; the circulating pipe is of a U-shaped circular pipe structure, the top end of the circulating pipe is communicated with the left side wall of the top of the high-temperature furnace, the bottom end of the circulating pipe is communicated with the left side wall of the bottom of the high-temperature furnace, and the circulating pipe guides primary combustion waste gas at the upper part of the high-temperature furnace into the bottom of the high-temperature furnace for secondary combustion; the flame jet of the first burner is arranged at the lower side of the gas inlet pipe, and the first burner jets flame into the upper half part of the high-temperature furnace to perform primary combustion on waste gas; the flame jet of the second burner is arranged at the lower side of the gas inlet pipe, and the second burner jets flame into the lower half part of the high-temperature furnace to carry out secondary combustion on the primary combustion waste gas;
the cooling tower is of a cylindrical shell structure, a spiral pipe spirally wound from top to bottom is arranged in the cooling tower, the top end and the bottom end of the spiral pipe respectively penetrate through the left side wall and the right side wall of the cooling tower, the top end of the spiral pipe is communicated with the right side wall of the lower part of the high-temperature furnace through a high-temperature pipe, cooling water is filled in an inner cavity of the shell of the cooling tower, waste gas after combustion in the high-temperature furnace is guided into the spiral pipe from the high-temperature pipe, and the cooling water absorbs heat in the waste gas through the spiral pipe so that the waste gas is cooled;
activated carbon adsorption tower, activated carbon adsorption tower are cylinder shell structure, the middle part is provided with the activated carbon filter layer in the activated carbon adsorption tower, the bottom and the activated carbon adsorption tower bottom left side wall intercommunication of spiral pipe, be provided with the blast pipe on the top right side wall of activated carbon adsorption tower, in the spiral pipe combustion exhaust after the cooling emits into activated carbon adsorption tower bottom cavity, the exhaust after activated carbon filter layer filters emits into activated carbon adsorption tower top cavity to discharge from the blast pipe.
As a further aspect of the present invention: a circular bottom cover is arranged in the through hole in the side wall of the bottom of the high-temperature furnace, and after the bottom cover is detached from the high-temperature furnace, combustion waste residues in the high-temperature furnace can be cleaned.
As a further aspect of the present invention: the high-temperature furnace is provided with a funnel-shaped isolation hopper, the top end of the isolation hopper is fixed on the inner wall of the middle layer of the high-temperature furnace, and the isolation hopper prevents primary combustion waste gas from flowing into the high-temperature pipe.
As a further aspect of the present invention: the high-temperature furnace, the cooling tower and the activated carbon adsorption tower are arranged from left to right and are placed in the cuboid protective shell, and the protective shell plays a role in protection.
As a further aspect of the present invention: the high-temperature furnace is characterized in that four rectangular heat insulation plates are arranged in a cavity at the left part of the protective shell, the four heat insulation plates surround a cuboid cavity, the high-temperature furnace is arranged in the cuboid cavity, and the heat insulation plates prevent heat on the high-temperature furnace from being transferred to the outside.
As a further aspect of the present invention: the bottom side of high temperature furnace is provided with the base, the base is round platform body structure, be provided with the ash discharge mouth on the protective housing of base below, the base prevents high temperature furnace and protective housing direct contact, the ash discharge mouth is convenient for discharge the waste residue in the high temperature furnace.
As a further aspect of the present invention: the high-temperature pipe and the spiral pipe are of double-layer pipe structures, each double-layer pipe structure comprises an outer pipe and an inner pipe, two ends of each inner pipe are hermetically connected, spiral plates are fixed in gaps between the outer pipe and the corresponding inner pipe, spiral channels are defined by the spiral plates, the outer pipes and the inner pipes, arc-shaped through holes are formed in the inner pipe wall on the inner side of each spiral channel and are soot blowing openings, the direction of the soot blowing openings is consistent with the coiling direction of the spiral plates, waste gas is conducted in the inner pipes, air is blown into the spiral channels, the air is discharged into the inner pipes from the soot blowing openings, spiral airflow is formed at the soot blowing openings, and residual dust on the inner pipe wall is blown down by the spiral airflow, so that the dust continues to flow forwards along the inner pipes.
As a further aspect of the present invention: and an air blower is arranged between the cooling tower and the heat insulation plate, an air inlet of the air blower is communicated with the outside, an air outlet of the air blower is communicated with the left end of the spiral channel of the high-temperature tube through an air inlet tube, and the air blower blows air into the spiral channel through the air inlet tube.
As a further aspect of the present invention: the high-temperature pipe is communicated with the spiral channel of the spiral pipe in a sealing way.
The utility model has the advantages that:
(1) the utility model discloses set up burner, during the use, waste gas gets into high temperature furnace upper portion cavity from going into the trachea, and a combustor spouts flame into first one of high temperature furnace, carries out a burning with waste gas, and the circulating pipe is with the leading-in high temperature furnace bottom of the burning waste gas in high temperature furnace upper portion, and No. two combustors carry out the postcombustion with the waste gas of a burning into the lower half of high temperature furnace with flame spout the high temperature furnace. The utility model discloses make the material burning abundant, reduced the organic matter in the smoke and dust.
(2) The utility model is provided with the activated carbon adsorption tower, the waste gas after combustion in the high-temperature furnace is guided into the spiral pipe from the high-temperature pipe, and the cooling water absorbs the heat in the waste gas through the spiral pipe, so that the waste gas is cooled; and the cooled combustion waste gas in the spiral pipe is discharged into a cavity at the bottom of the activated carbon adsorption tower, and the waste gas filtered by the activated carbon filter layer is discharged into a cavity at the top of the activated carbon adsorption tower and is discharged from the exhaust pipe. The utility model discloses harmful gas and dust in the combustion gas can be detached.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
fig. 2 is a partial sectional view of a spiral or high temperature tube.
Wherein: the device comprises a high-temperature furnace 10, an air inlet pipe 11, a first combustor 12, a circulating pipe 13, a second combustor 14, a high-temperature pipe 15, a cooling tower 16, a spiral pipe 17, an activated carbon adsorption tower 18, an isolation hopper 19, an exhaust pipe 20, a bottom cover 22, a base 23, an ash discharge port 24, a protective shell 27, a heat insulation plate 28, an outer pipe 30, an inner pipe 31, a spiral plate 32, a spiral channel 33, an ash blowing port 34, a blower 35 and an air inlet pipe 36.
Detailed Description
The pyrolysis furnace with the second combustion chamber provided by the embodiment has a structure as shown in fig. 1-2, and comprises,
the combustion device structurally comprises a high-temperature furnace 10, wherein the high-temperature furnace 10 is of a cylindrical shell structure, and an air inlet pipe 11 is arranged on the left side wall of the upper half part of the high-temperature furnace 10; the circulating pipe 13 is of a U-shaped circular pipe structure, the top end of the circulating pipe 13 is communicated with the left side wall of the top of the high-temperature furnace 10, the bottom end of the circulating pipe 13 is communicated with the left side wall of the bottom of the high-temperature furnace 10, and the circulating pipe 13 guides primary combustion waste gas at the upper part of the high-temperature furnace into the bottom of the high-temperature furnace 10 for secondary combustion; the first burner 12, the flame spray port of the first burner 12 is arranged at the lower side of the gas inlet pipe 11, the first burner 12 sprays flame into the upper half part of the high-temperature furnace 10, and the waste gas is subjected to primary combustion; the second burner 14, the flame-throwing port of the second burner 14 is arranged at the lower side of the gas inlet pipe 11, the second burner 14 sprays flame into the lower half part of the high-temperature furnace 10, and the waste gas of the primary combustion is subjected to secondary combustion;
the cooling tower 16 is of a cylindrical shell structure, a spiral pipe 17 spirally wound from top to bottom is arranged in the cooling tower 16, the top end and the bottom end of the spiral pipe 17 respectively penetrate through the left side wall and the right side wall of the cooling tower 16, the top end of the spiral pipe 17 is communicated with the right side wall of the lower part of the high-temperature furnace 10 through a high-temperature pipe 15, cooling water is filled in an inner cavity of the shell of the cooling tower 16, the burnt waste gas in the high-temperature furnace 10 is led into the spiral pipe 17 from the high-temperature pipe 15, and the cooling water absorbs heat in the waste gas through the spiral pipe 17, so that the waste gas is cooled;
activated carbon adsorption tower 18, activated carbon adsorption tower 18 are cylinder shell structure, the middle part is provided with the activated carbon filter layer in the activated carbon adsorption tower 18, the bottom and the 18 bottom left side walls intercommunication of activated carbon adsorption tower 17 of spiral pipe 17, be provided with blast pipe 20 on the top right side walls of activated carbon adsorption tower 18, burning waste gas after the cooling arranges into activated carbon adsorption tower bottom cavity in the spiral pipe 17, and waste gas after the activated carbon filter layer filters arranges into 18 top cavities of activated carbon adsorption tower to discharge from blast pipe 20.
A circular bottom cover 22 is arranged in a through hole in the bottom side wall of the high-temperature furnace 10, and after the bottom cover 22 is detached from the high-temperature furnace 10, combustion waste residues in the high-temperature furnace 10 can be cleaned.
A funnel-shaped isolation hopper 19 is arranged in the high-temperature furnace 10, the top end of the isolation hopper 19 is fixed on the inner wall of the middle layer of the high-temperature furnace 10, and the isolation hopper 19 prevents primary combustion waste gas from flowing into the high-temperature pipe 15.
The high-temperature furnace 10, the cooling tower 16 and the activated carbon adsorption tower 18 are arranged from left to right and are placed in a cuboid protective shell 27, and the protective shell 27 plays a role in protection.
Four rectangular heat insulation plates 28 are arranged in a left cavity of the protective shell 27, the four heat insulation plates 28 enclose a cuboid cavity, the high-temperature furnace 10 is arranged in the cuboid cavity, and the heat insulation plates 28 prevent heat on the high-temperature furnace 10 from being transferred to the outside.
The bottom side of high temperature furnace 10 is provided with base 23, base 23 is round platform body structure, be provided with ash discharge port 24 on the protective housing 27 of base 23 below, base 23 prevents high temperature furnace 10 and protective housing 27 direct contact, ash discharge port 24 is convenient for discharge waste residue in high temperature furnace 10.
The high-temperature pipe 15 and the spiral pipe 17 are both of a double-layer pipe structure, the double-layer pipe structure comprises an outer pipe 30 and an inner pipe 31, two ends of the inner pipe 31 are hermetically connected with the outer pipe 30, a spiral plate 32 is fixed in a gap between the outer pipe 30 and the inner pipe 31, the spiral plate 32, the outer pipe 30 and the inner pipe 31 enclose a spiral channel 33, an arc-shaped through hole is arranged on the wall of the inner pipe 31 inside the spiral channel 33 and is a soot blowing opening 34, the direction of the soot blowing opening 34 is consistent with the coiling direction of the spiral plate 32, waste gas is conducted in the inner pipe 31, air is blown into the spiral channel 33, the air is discharged into the inner pipe 31 from the soot blowing opening 34, spiral airflow is formed at the soot blowing opening 34, and the spiral airflow blows off dust remaining on the wall of the inner pipe 31, so that the dust continues to flow forwards along the inner pipe 31.
An air blower 35 is arranged between the cooling tower 16 and the heat insulation plate 28, an air inlet of the air blower 35 is communicated with the outside, an air outlet is communicated with the left end of the spiral channel 33 of the high-temperature pipe 15 through an air inlet pipe 36, and air is blown into the spiral channel 33 through the air inlet pipe 36 by the air blower 35.
The high temperature pipe 15 is in sealed communication with the spiral passage 33 of the spiral pipe 17.
The utility model discloses a theory of operation: when the high-temperature furnace is used, waste gas enters the cavity at the upper part of the high-temperature furnace 10 from the gas inlet pipe 11, the first burner 12 sprays flame into the upper half part of the high-temperature furnace 10 to perform primary combustion on the waste gas, the circulating pipe 13 guides the primary combustion waste gas at the upper part of the high-temperature furnace into the bottom of the high-temperature furnace 10, and the second burner 14 sprays flame into the lower half part of the high-temperature furnace 10 to perform secondary combustion on the primary combustion waste gas; the burned exhaust gas in the high temperature furnace 10 is guided into the spiral pipe 17 from the high temperature pipe 15, and the cooling water absorbs the heat in the exhaust gas through the spiral pipe 17, so that the exhaust gas is cooled; the cooled combustion exhaust gas in the spiral pipe 17 is discharged into the bottom cavity of the activated carbon adsorption tower, and the exhaust gas filtered by the activated carbon filter layer is discharged into the top cavity of the activated carbon adsorption tower 18 and is discharged from the exhaust pipe 20. The utility model discloses make the material burning abundant, reduced the organic matter in the smoke and dust.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A high-temperature cracking furnace with a second combustion chamber is characterized by comprising,
the combustion device structurally comprises a high-temperature furnace (10), wherein the high-temperature furnace (10) is of a cylindrical shell structure, and an air inlet pipe (11) is arranged on the left side wall of the upper half part of the high-temperature furnace (10); the circulating pipe (13), the circulating pipe (13) is a U-shaped circular pipe structure, the top end of the circulating pipe (13) is communicated with the left side wall of the top of the high-temperature furnace (10), the bottom end of the circulating pipe is communicated with the left side wall of the bottom of the high-temperature furnace (10), and the circulating pipe (13) guides primary combustion waste gas at the upper part of the high-temperature furnace into the bottom of the high-temperature furnace (10) for secondary combustion; the first burner (12), the flame spray port of the first burner (12) is arranged at the lower side of the gas inlet pipe (11), the first burner (12) sprays flame into the upper half part of the high-temperature furnace (10) to carry out primary combustion on waste gas; the flame-spraying port of the second burner (14) is arranged at the lower side of the gas inlet pipe (11), the second burner (14) sprays flame into the lower half part of the high-temperature furnace (10), and secondary combustion is carried out on the waste gas after primary combustion;
the cooling tower (16) is of a cylindrical shell structure, a spiral pipe (17) which is spirally coiled from top to bottom is arranged in the cooling tower (16), the top end and the bottom end of the spiral pipe (17) respectively penetrate through the left side wall and the right side wall of the cooling tower (16), the top end of the spiral pipe (17) is communicated with the right side wall of the lower part of the high-temperature furnace (10) through a high-temperature pipe (15), cooling water is filled in an inner cavity of a shell of the cooling tower (16), combusted waste gas in the high-temperature furnace (10) is led into the spiral pipe (17) from the high-temperature pipe (15), and the cooling water absorbs heat in the waste gas through the spiral pipe (17), so that the waste gas is cooled;
activated carbon adsorption tower (18), activated carbon adsorption tower (18) are cylinder shell structure, the middle part is provided with the activated carbon filter layer in activated carbon adsorption tower (18), the bottom and the activated carbon adsorption tower (18) bottom left side wall intercommunication of spiral pipe (17), be provided with blast pipe (20) on the top right side wall of activated carbon adsorption tower (18), burning waste gas after the cooling arranges into activated carbon adsorption tower bottom cavity in spiral pipe (17), and waste gas after the activated carbon filter layer filters arranges into activated carbon adsorption tower (18) top cavity to discharge from blast pipe (20).
2. The pyrolysis furnace with the second combustion chamber as claimed in claim 1, wherein: a circular bottom cover (22) is arranged in a through hole in the bottom side wall of the high-temperature furnace (10), and after the bottom cover (22) is detached from the high-temperature furnace (10), combustion waste residues in the high-temperature furnace (10) can be cleaned.
3. The pyrolysis furnace with the second combustion chamber as claimed in claim 1, wherein: be provided with in high temperature furnace (10) and leak hopper-shaped isolation fill (19), the top of keeping apart fill (19) is fixed on high temperature furnace (10) middle level inner wall, keep apart fill (19) and prevent that primary combustion waste gas from flowing into in high temperature tube (15).
4. The pyrolysis furnace with the second combustion chamber as claimed in claim 1, wherein: the high-temperature furnace (10), the cooling tower (16) and the activated carbon adsorption tower (18) are arranged from left to right and are placed in a cuboid protective shell (27), and the protective shell (27) plays a role in protection.
5. The pyrolysis furnace with the second combustion chamber as claimed in claim 4, wherein: four rectangular heat insulation plates (28) are arranged in a cavity at the left part of the protective shell (27), the heat insulation plates (28) enclose a cuboid cavity, the high-temperature furnace (10) is arranged in the cuboid cavity, and the heat insulation plates (28) prevent heat on the high-temperature furnace (10) from being transferred to the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022561583.9U CN213983571U (en) | 2020-11-09 | 2020-11-09 | High-temperature cracking furnace with secondary combustion chamber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022561583.9U CN213983571U (en) | 2020-11-09 | 2020-11-09 | High-temperature cracking furnace with secondary combustion chamber |
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| Publication Number | Publication Date |
|---|---|
| CN213983571U true CN213983571U (en) | 2021-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022561583.9U Active CN213983571U (en) | 2020-11-09 | 2020-11-09 | High-temperature cracking furnace with secondary combustion chamber |
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| CN (1) | CN213983571U (en) |
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