CN210980827U - Kiln head cooling device - Google Patents
Kiln head cooling device Download PDFInfo
- Publication number
- CN210980827U CN210980827U CN201921800467.9U CN201921800467U CN210980827U CN 210980827 U CN210980827 U CN 210980827U CN 201921800467 U CN201921800467 U CN 201921800467U CN 210980827 U CN210980827 U CN 210980827U
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- flange plate
- expansion joint
- rotary kiln
- kiln
- hole
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Abstract
The utility model discloses a kiln head cooling device. The method comprises the following steps: and the expansion joints are arranged on the fixed rib plates. The expansion joint comprises a corrugated pipe, an upper flange plate is connected to the upper end of the corrugated pipe, a hole is formed in the right end of the upper flange plate, a lower flange plate is arranged at the lower end of the corrugated pipe, an inlet hole is formed in the left end of the lower flange plate, and a first screw hole, a second screw hole and a third screw hole are formed in the positions, close to the long edges of the two ends, of the upper flange plate and the lower flange plate at equal intervals from left to right. The rotary kiln is characterized in that an inlet pipe is connected to an inlet hole at the lower end of the expansion joint close to the lower position of the left end of the rotary kiln, an outlet pipe is connected to an outlet hole at the left end of the expansion joint at the lower end of the rotary kiln, and other inlet holes and outlet holes of the expansion joint are sequentially connected end to end through connecting pipes. The utility model has the advantages that: the former convection air cooling mode is changed into a dual-purpose mode of air cooling and water cooling. The cooling efficiency is improved.
Description
Technical Field
The utility model relates to an industry cooling device, concretely relates to kiln head cooling device.
Background
At present, kiln head cooling mainly depends on air cooling, but convection air is difficult to circulate in a semi-closed structure inside the kiln head, and the cooling effect is poor. There is a need to design a more efficient cooling system.
Disclosure of Invention
The utility model aims at solving the problems and providing a kiln head cooling device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a kiln head cooling device comprises expansion joints arranged on each fixed rib plate.
The expansion joint comprises a corrugated pipe, an upper flange plate is connected to the upper end of the corrugated pipe, a hole is formed in the right end of the upper flange plate, a lower flange plate is arranged at the lower end of the corrugated pipe, an inlet hole is formed in the left end of the lower flange plate, and a first screw hole, a second screw hole and a third screw hole are formed in the positions, close to the long edges of the two ends, of the upper flange plate and the lower flange plate at equal intervals from left to right.
The rotary kiln is characterized in that an inlet pipe is connected to an inlet hole at the lower end of the expansion joint close to the lower position of the left end of the rotary kiln, an outlet pipe is connected to an outlet hole at the left end of the expansion joint at the lower end of the rotary kiln, and other inlet holes and outlet holes of the expansion joint are sequentially connected end to end through connecting pipes.
And the first screw hole and the second screw hole of the upper flange plate of the expansion joint are connected with the fixed rib plate through bolts. The third screw hole of going up the flange board and first screw, second screw and the third screw on the lower flange board belong to the fabrication hole, do not have the actual effect.
Preferably, the wall thickness of the corrugated pipe is 1.6mm, and the corrugated pipe is made of alloy steel.
Preferably, the number of the expansion joints is 8.
The utility model has the advantages that: the former convection air cooling mode is changed into a dual-purpose mode of air cooling and water cooling. The air cooling has the advantages of simple resource consumption and low efficiency. The water cooling has the advantages of large specific heat capacity of water and high efficiency, and has the defects of complex water circulation treatment and resource consumption. The cooling mode can be flexibly selected by the producer according to specific situations. The cooling efficiency is improved.
Drawings
FIG. 1 is a partial schematic view of a kiln hood.
Fig. 2 is a schematic view of the structure expansion joint of the present invention.
Fig. 3 is a structural overall water circulation pipeline diagram of the present invention.
Fig. 4 is a sectional view of the structural expansion joint of the present invention.
Figure 5 is an axonometric view of the structural expansion joint of the present invention.
In the figure: the rotary kiln comprises a rotary kiln 1, a kiln head cover cylinder 21, a kiln head cover skirt 22, a fixed rib plate 3, bolts 4, an expansion joint 5, an upper flange plate 51, a lower flange plate 52, a first screw hole 53, a second screw hole 54, a third screw hole 55, an outlet hole 56, an inlet hole 57, a corrugated pipe 58, an inlet pipe 61, a connecting pipe 62 and an outlet pipe 63.
Detailed Description
The following examples are presented to enable those skilled in the art to more fully understand the present invention, but are not intended to limit the invention in any way.
As shown in fig. 1, which is a partial schematic view of a kiln head cover, a kiln head cover cylinder 21 is arranged at the end of a rotary kiln 1, a kiln head cover skirt 22 is arranged at a position of the kiln head cover cylinder 21 close to the rotary kiln 1, and the kiln head cover cylinder 21 is connected to the rotary kiln 1 through a fixing rib plate 3.
As shown in fig. 2 to 5, a kiln head cooling device comprises expansion joints 5 mounted on respective fixed ribs 3.
The expansion joint 5 comprises a corrugated pipe 58, an upper flange plate 51 is connected to the upper end of the corrugated pipe 58, an outlet 56 is formed in the right end of the upper flange plate 51, a lower flange plate 52 is arranged at the lower end of the corrugated pipe 58, an inlet 57 is formed in the left end of the lower flange plate 52, and first screw holes 53, second screw holes 54 and third screw holes 55 are formed in the upper flange plate 51 and the lower flange plate 52 at equal intervals from left to right near long edges at two ends.
An inlet pipe 61 is connected to an inlet hole at the lower end of the expansion joint 5 at the lower position close to the left end of the rotary kiln 1, an outlet pipe 63 is connected to an outlet hole at the left end of the expansion joint 5 at the lower end of the rotary kiln 1, and other inlet holes 57 and outlet holes 56 of the expansion joint 5 are sequentially connected end to end through connecting pipes 62.
The first screw hole 53 and the second screw hole 54 of the upper flange plate 51 of the expansion joint 5 and the fixing rib 3 are connected by bolts 4. The third screw hole 55 of the upper flange plate 51 and the first screw hole 53, the second screw hole 54 and the third screw hole 55 of the lower flange plate 52 belong to fabrication holes, and have no practical function.
The wall thickness of the corrugated pipe 58 is 1.6mm, and the corrugated pipe is made of alloy steel.
The number of the expansion joints 5 is 8.
The utility model discloses the theory of operation as follows:
when the water cooling device works by water cooling, cold water enters the first expansion joint 5 through the inlet pipe 61 and then sequentially enters other expansion joints 5 through the connecting pipe 62, and flows out from the outlet hole of the last expansion joint 5.
When the air cooling work is performed, the cold air enters the first expansion joint 5 through the inlet pipe 61, and then sequentially enters the other expansion joints 5 through the connecting pipe 62, and flows out from the outlet hole of the last expansion joint 5.
The expansion joint 5 functions to reduce the effect of thermal stresses caused by overheating on the life of the device.
The former convection air cooling mode is changed into a dual-purpose mode of air cooling and water cooling. The cooling efficiency is improved. The air cooling has the advantages of simple resource consumption and low efficiency. The water cooling has the advantages of large specific heat capacity of water and high efficiency, and has the defects of complex water circulation treatment and resource consumption. The cooling mode can be flexibly selected by the producer according to specific situations.
Those skilled in the art will appreciate that the above embodiments are merely exemplary embodiments and that various changes, substitutions and alterations can be made without departing from the spirit and scope of the invention.
Claims (4)
1. A kiln head cooling device, comprising: the rotary kiln comprises a rotary kiln (1), a kiln head cover cylinder (21) is arranged at the end part of the rotary kiln (1), a kiln head cover skirt edge (22) is arranged at the position, close to the rotary kiln (1), of the kiln head cover cylinder (21), the kiln head cover cylinder (21) is connected to the rotary kiln (1) through a fixed rib plate (3),
the expansion joint (5) is installed on the fixed rib plate (3), the expansion joint (5) comprises a corrugated pipe (58), the upper end of the corrugated pipe (58) is connected with an upper flange plate (51), the right end of the upper flange plate (51) is provided with an outlet hole (56), the lower end of the corrugated pipe (58) is provided with a lower flange plate (52), the left end of the lower flange plate (52) is provided with an inlet hole (57), the upper flange plate (51) and the lower flange plate (52) are provided with a first screw hole (53), a second screw hole (54) and a third screw hole (55) at equal intervals from left to right near long edges at two ends,
the rotary kiln is characterized in that the lower end inlet hole of the expansion joint (5) at the lower position close to the left end of the rotary kiln (1) is connected with an inlet pipe (61), the left end outlet hole of the expansion joint (5) at the lower end of the rotary kiln (1) is connected with an outlet pipe (63), and other inlet holes (57) and outlet holes (56) of the expansion joint (5) are sequentially connected end to end through connecting pipes (62).
2. A kiln head cooling device according to claim 1, characterized in that the wall thickness of the bellows (58) is 1.6mm and the material is alloy steel.
3. A kiln head cooling arrangement according to claim 1, characterized in that the number of expansion joints (5) is 8.
4. Kiln head cooling arrangement according to claim 1, characterized in that the first screw hole (53) and the second screw hole (54) of the upper flange plate (51) of the expansion joint (5) and the fixing rib (3) are connected by means of bolts (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921800467.9U CN210980827U (en) | 2019-10-25 | 2019-10-25 | Kiln head cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921800467.9U CN210980827U (en) | 2019-10-25 | 2019-10-25 | Kiln head cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210980827U true CN210980827U (en) | 2020-07-10 |
Family
ID=71421981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921800467.9U Active CN210980827U (en) | 2019-10-25 | 2019-10-25 | Kiln head cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210980827U (en) |
-
2019
- 2019-10-25 CN CN201921800467.9U patent/CN210980827U/en active Active
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