CN211204064U - Rotary kiln incineration device - Google Patents
Rotary kiln incineration device Download PDFInfo
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- CN211204064U CN211204064U CN201921407531.7U CN201921407531U CN211204064U CN 211204064 U CN211204064 U CN 211204064U CN 201921407531 U CN201921407531 U CN 201921407531U CN 211204064 U CN211204064 U CN 211204064U
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Abstract
The utility model discloses a rotary kiln burns device belongs to rotary kiln technical field. The utility model comprises an air supply roller, a shell, refractory bricks, heat insulation bricks and a burner nozzle; the air ducts are arranged on the refractory bricks and the heat insulation bricks, so that air of the air supply duct is sent into the longitudinal channel through the air duct of the refractory bricks, the longitudinal channel is divided into the air ducts of the heat insulation bricks in sequence, meanwhile, the air duct of the heat insulation bricks is arranged to have certain inclination in the transverse direction and the longitudinal direction, so that the air sprayed out through the air spray nozzle has an inclination angle, the sprayed air and flame sprayed out from a nozzle of a burner are opposite to each other, the flame and the air are disturbed, the combustion efficiency, the combustion quality and the combustion uniformity are improved, and the incineration quality and the efficiency of the rotary kiln incineration device are greatly improved; the unidirectional air nozzle can ensure that the combustion objects cannot enter the air channel, and the continuous and stable air supply is ensured.
Description
Technical Field
The utility model relates to a rotary kiln burns device belongs to rotary kiln technical field.
Background
The rotary kiln is a cylindrical high-temperature kiln body used for drying, roasting and calcining materials. The rotary kiln includes an outer steel shell and an inner refractory lining.
A large amount of garbage and waste are produced every day in China, most of the garbage and waste contain toxic and harmful substances, and if the garbage and the waste are randomly discharged, the environment is polluted. At present, a rotary kiln is mainly used for burning solid wastes. The waste incineration is a process of subjecting waste to oxidation at a high temperature by appropriate thermal decomposition, combustion, melting, or other reaction to reduce the volume of the waste to form a residue or a molten solid substance. The rotary kiln has the advantages of large production capacity, uniform and stable calcination quality, no need of sorting and strong adaptability of calcination raw materials, so that the rotary kiln is adopted for waste incineration at present.
However, when the waste is combusted in the existing rotary kiln, the combustion effect of the solid waste in the rotary kiln is poor, the combustion is not uniform and controllable, and the slagging phenomenon is easy to occur in the rotary kiln when the waste is incinerated. Therefore, a new rotary kiln incineration apparatus that improves these problems is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a rotary kiln incineration device, which is characterized in that an inclined insulating brick air channel and an air nozzle are arranged, so that the sprayed air and the flame sprayed by a burner nozzle are opposite-impacted, the flame and the air are disturbed, the combustion efficiency, the combustion quality and the combustion uniformity are improved, and the incineration quality and efficiency of the rotary kiln incineration device are greatly improved; the unidirectional air nozzle can ensure that the slag can not enter the air channel and ensure the continuous and stable air supply.
The technical scheme of the utility model as follows: a rotary kiln incineration device comprises an air supply roller, a shell, refractory bricks, heat insulation bricks and a burner nozzle; the air supply roller is a hollow roller, the air supply roller is sleeved on the outer peripheral surface of the shell, a refractory brick and a heat insulation brick are sequentially arranged along the shell to the axis, the burner nozzle is positioned at the axis of the shell, and the burning device can be driven by an external gear to rotate.
Specifically, the air supply cylinder includes supply-air duct, blast pipe, baffle, and the air supply cylinder outside is provided with the blast pipe, and the blast pipe links to each other with the pipeline of the rotatable air supply in external world, and the supply-air duct axial sets up the baffle of a plurality of partitions supply-air duct, and the rotatable assurance of pipeline of external air supply continues to supply air to the supply-air duct through the blast pipe, separates the supply-air duct through the baffle and can control the air supply region, adjusts the combustion region.
Specifically, the firebrick comprises a firebrick body and a firebrick air channel, wherein the firebrick body at the section of the air supply roller is provided with the firebrick air channel, and the firebrick air channel is perpendicular to the axis of the shell.
The heat insulation brick comprises an air nozzle, a heat insulation brick air duct, a heat insulation brick body and a longitudinal air duct, wherein the heat insulation brick body is longitudinally provided with the through longitudinal air duct, the refractory brick air duct is communicated with the longitudinal air duct, a plurality of heat insulation brick air ducts are uniformly arranged along the axial direction and the radial direction of the heat insulation brick body, the plurality of heat insulation brick air ducts are communicated with the longitudinal air duct, the heat insulation brick air ducts have certain inclination in the transverse direction and the longitudinal direction, and one end of each heat insulation brick air duct is provided with the air nozzle; the air of the air supply duct is sent into the longitudinal air duct through the firebrick air duct, the longitudinal air duct is divided into the heat insulation brick air ducts in sequence, and the heat insulation brick air ducts have certain inclination in the transverse direction and the longitudinal direction, so the air sprayed out through the air nozzle has an inclination angle.
Specifically, the burner nozzle is a nozzle with a wind fin structure, flame sprayed out by the nozzle with the wind fin structure has a rotary direction, air sprayed out by the wind spraying nozzle has an inclination angle, and wind with the inclination angle and the flame with the rotary direction are opposite to each other, so that the contact between the flame and the air can be enhanced, the combustion efficiency and the combustion uniformity are improved, and the garbage is completely incinerated.
As a further scheme of the utility model, on the air supply cylinder was fixed in the casing through the bolt fastening mode, the air supply cylinder adopted sealed glue with the casing and sealed.
As a further proposal of the utility model, be provided with the spring between resistant firebrick and casing, owing to burn the long-term rotation of device, easy deformation, the spring can make the impact of resistant firebrick, insulating brick and casing, and the extension burns device life.
As the utility model discloses further scheme, vertical wind channel is the dome shape, and the stability in vertical wind channel can be guaranteed in the dome shape setting, can not be damaged, guarantees life.
As a further proposal, the air nozzle is a one-way nozzle, which ensures that the combustion material inside the burning device can not enter the air channel of the heat insulation brick and lead to the blockage of the air channel.
Borrow by above-mentioned scheme, the utility model discloses at least, have following advantage:
1. the innovative rotary kiln incineration device can continuously provide air to a rotary kiln incineration area through an external air supply roller so as to improve the combustion quality, and an air supply duct is separated by a partition plate so as to control the air supply area and adjust the combustion area;
2. the air ducts are arranged on the refractory bricks and the heat insulation bricks, so that air of the air supply duct is delivered into the longitudinal air duct through the air ducts of the refractory bricks, the longitudinal air duct is divided into the air ducts of the heat insulation bricks in sequence, meanwhile, the air ducts of the heat insulation bricks are arranged to have certain inclination in the transverse direction and the longitudinal direction, and the air sprayed out through the air spraying nozzles is guaranteed to have an inclination angle.
3. The burner nozzle adopts the nozzle with the wind fin structure, because the flame sprayed out by the nozzle with the wind fin structure has a rotary direction, the air sprayed out by the wind spraying nozzle has an inclination angle, and the wind with the inclination angle and the flame with the rotary direction are in opposite impact, the contact between the flame and the air can be enhanced, the combustion efficiency and the combustion uniformity are improved, and the garbage is completely incinerated.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate a certain embodiment of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic cross-sectional view of the middle part of an embodiment of the present invention;
fig. 2 is a schematic front view of the embodiment of the present invention;
FIG. 3 is a partial enlarged view of FIG. I;
in the figure:
1-air supply roller, 2-firebrick, 3-insulating brick and 4-burner nozzle;
101-air delivery duct, 102-air delivery pipe, 103-partition board, 201-refractory brick body, 202-refractory brick air duct, 301-air nozzle, 302-heat insulation brick air duct, 303-heat insulation brick body and 304-longitudinal air duct;
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Referring to fig. 1 to 3, a rotary kiln incineration apparatus according to a preferred embodiment of the present invention includes an air supply drum 1, a housing, a refractory brick 2, a heat insulation brick 3, and a burner nozzle 4; the air supply roller 1 is a hollow roller, the air supply roller 1 is sleeved on the outer peripheral surface of the shell, a refractory brick 2 and a heat insulation brick 3 are sequentially arranged at the axis along the shell, the burner nozzle 4 is positioned at the axis of the shell, and the burning device can be driven by an external gear to rotate.
Specifically, air supply cylinder 1 includes air supply duct 101, blast pipe 102, baffle 103, and the air supply cylinder 1 outside is provided with the blast pipe, and blast pipe 102 links to each other with the pipeline of the rotatable air supply in external world, and blast pipe 101 axial sets up a plurality of baffles 103 of separating blast pipe 101, and the rotatable nature assurance of pipeline of external air supply continues to supply air to blast pipe 101 through the blast pipe, separates air supply area through baffle 103 with blast pipe 101, adjusts combustion area. The firebrick 2 comprises a firebrick body 201 and a firebrick air flue 202, the firebrick body 201 at the section of the air supply roller 1 is provided with the firebrick air flue 202, and the firebrick air flue 202 is vertical to the axis of the shell.
Specifically, the heat insulation brick 3 comprises an air nozzle 301, a heat insulation brick air duct 302, a heat insulation brick body 303 and a longitudinal air duct 304, wherein the heat insulation brick body 303 is longitudinally provided with the through longitudinal air duct 304, the refractory brick air duct 202 is communicated with the longitudinal air duct 304, a plurality of heat insulation brick air ducts 302 are uniformly arranged along the axial direction and the radial direction of the heat insulation brick body 303, the plurality of heat insulation brick air ducts 302 are communicated with the longitudinal air duct 304, the heat insulation brick air ducts 302 have certain inclination in the transverse direction and the longitudinal direction, and one end of each heat insulation brick air duct 302 is provided with the air nozzle 301; the wind of the air supply duct 101 is supplied into the longitudinal air duct 304 through the firebrick air duct 202, the longitudinal air duct 304 is divided into the heat insulation brick air ducts 302 in sequence, and the heat insulation brick air ducts 302 have certain inclination in the transverse direction and the longitudinal direction, so that the wind ejected through the air nozzle 301 has an inclination angle. The longitudinal air duct 304 is in the shape of a circular arch, and the arrangement of the circular arch can ensure the stability of the longitudinal air duct 304, avoid damage and ensure the service life.
Specifically, the burner nozzle 4 is a nozzle with a fin structure, flame sprayed out through the nozzle with the fin structure has a rotary direction, air sprayed out of the air nozzle 301 has an inclination angle, and the direction of the wind with the inclination angle is opposite to that of the flame with the rotary direction, so that the air and the flame realize opposite impact, the contact between the flame and the air can be enhanced, the combustion efficiency and the combustion uniformity are improved, and the garbage is completely incinerated.
Specifically, the air nozzle 301 is a one-way nozzle, so that the combustion products in the incineration device cannot enter the insulating brick air duct 302 to cause the blockage of the air duct.
The working principle of the utility model is as follows:
the external rotating air supply mechanism sends air into the air supply duct 101 through the air supply pipe 102 of the air supply roller 1, the air of the air supply duct 101 sequentially passes through the refractory brick air duct 202 to send the air into the longitudinal air duct 304, the longitudinal air duct 304 sequentially shunts the air to the heat insulation brick air duct 302, and the air with an inclination angle sprayed out through the air nozzle 301 and the flame with a rotary direction sprayed out from the burner nozzle 4 realize the opposite impact and accelerate the combustion.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A rotary kiln incineration device comprises an air supply roller (1), a shell, refractory bricks (2), heat insulation bricks (3) and a burner nozzle (4); the method is characterized in that: the air supply roller (1) is a hollow roller, the air supply roller (1) is sleeved on the outer peripheral surface of the shell, a refractory brick (2) and a heat insulation brick (3) are sequentially arranged along the shell towards the axis, and the burner nozzle (4) is positioned at the axis of the shell;
the air supply roller (1) comprises an air supply duct (101), an air supply pipe (102) and a partition plate (103), the air supply pipe is arranged on the outer side of the air supply roller (1), the air supply pipe (102) is connected with an external rotatable air supply pipeline, and the air supply duct (101) is axially provided with a plurality of partition plates (103) for partitioning the air supply duct (101);
the fireproof brick (2) comprises a fireproof brick body (201) and a fireproof brick air channel (202), the fireproof brick body (201) at the section of the air supply roller (1) is provided with the fireproof brick air channel (202), and the fireproof brick air channel (202) is perpendicular to the axis of the shell;
the heat insulation brick (3) comprises an air nozzle (301), a heat insulation brick air duct (302), a heat insulation brick body (303) and a longitudinal air duct (304), wherein the heat insulation brick body (303) is longitudinally provided with the through longitudinal air duct (304), the refractory brick air duct (202) is communicated with the longitudinal air duct (304), a plurality of heat insulation brick air ducts (302) are uniformly arranged along the axial direction and the radial direction of the heat insulation brick body (303), the plurality of heat insulation brick air ducts (302) are all communicated with the longitudinal air duct (304), the heat insulation brick air ducts (302) have certain inclination in the transverse direction and the longitudinal direction, and one end of the heat insulation brick air duct (302) is provided with the air nozzle (301);
the combustor nozzle (4) is a nozzle with a wind fin structure.
2. The rotary kiln incineration device as claimed in claim 1, wherein: the air supply roller (1) is fixed on the shell in a bolt fixing mode, and the air supply roller (1) and the shell are sealed through sealing glue.
3. The rotary kiln incineration device as claimed in claim 1, wherein: a spring is arranged between the firebrick (2) and the shell.
4. The rotary kiln incineration device as claimed in claim 1, wherein: the longitudinal air duct (304) is dome-shaped.
5. The rotary kiln incineration device as claimed in claim 1, wherein: the air injection nozzle (301) is a one-way nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921407531.7U CN211204064U (en) | 2019-08-27 | 2019-08-27 | Rotary kiln incineration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921407531.7U CN211204064U (en) | 2019-08-27 | 2019-08-27 | Rotary kiln incineration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211204064U true CN211204064U (en) | 2020-08-07 |
Family
ID=71852815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921407531.7U Active CN211204064U (en) | 2019-08-27 | 2019-08-27 | Rotary kiln incineration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211204064U (en) |
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2019
- 2019-08-27 CN CN201921407531.7U patent/CN211204064U/en active Active
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