CN213238394U - Hot air secondary utilization device of rotary kiln - Google Patents
Hot air secondary utilization device of rotary kiln Download PDFInfo
- Publication number
- CN213238394U CN213238394U CN202022234006.9U CN202022234006U CN213238394U CN 213238394 U CN213238394 U CN 213238394U CN 202022234006 U CN202022234006 U CN 202022234006U CN 213238394 U CN213238394 U CN 213238394U
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- China
- Prior art keywords
- flue
- pipe
- rotary kiln
- temperature
- air supply
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- 239000002918 waste heat Substances 0.000 claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 238000002485 combustion reaction Methods 0.000 claims abstract description 13
- 239000000779 smoke Substances 0.000 claims description 10
- 239000011449 brick Substances 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 2
- 230000000391 smoking effect Effects 0.000 abstract 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 238000001354 calcination Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 210000000746 body region Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The embodiment of the utility model relates to the technical field of rotary kilns, in particular to a hot air secondary utilization device of a rotary kiln, which comprises a rotary kiln and a fast flow flue; the rotary kiln comprises a kiln body and a front door, wherein the front door is connected inside the kiln body in a sliding manner along the vertical direction, and the kiln body is sequentially provided with a low-temperature green body area, a high-temperature combustion area and a high-temperature cooling area from right to back and left; the fast flow flue comprises a flue pipe and a waste heat flue. The utility model discloses beneficial effect does: during the working process of the rotary kiln, a great deal of waste heat can be emitted by the calcined bricks in the high-temperature cooling area; can enter into the inside of waste heat flue with remaining heat through the smoking pipeline, through connecting in the flue gets into the flue pipe, under air supply arrangement's effect, will follow the heat that the high temperature cooling district draws and discharge the brick base of delivering to low temperature unburned bricks district department through the smoking pipeline and carry out the preheating treatment to realize waste heat recovery and utilize the effect of preheating, greatly reduced thermal loss.
Description
Technical Field
The utility model relates to a rotary kiln technical field, concretely relates to hot-blast reutilization device of rotary kiln.
Background
The rotary kiln is a production equipment finished by refractory material construction, integrates mechanization, automation, digitalization, humanization and systematization into a whole, has low investment, high yield and less labor, and is a kiln for making bricks in the current society.
At present, the tail heat of the rotary kiln is directly discharged and volatilized, and the heating of the head is difficult.
Therefore, a hot air recycling device for a rotary kiln is required to overcome the above problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems that the tail heat is directly discharged and volatilized, and the head is difficult to heat, the embodiment of the utility model provides a rotary kiln hot air secondary utilization device, which comprises a rotary kiln and a fast flow flue;
the rotary kiln comprises a kiln body and a front door, wherein the front door is connected inside the kiln body in a sliding manner along the vertical direction, and the kiln body is sequentially provided with a low-temperature green body area, a high-temperature combustion area and a high-temperature cooling area from right to back and left;
the fast flow flue comprises a flue pipe and a waste heat flue;
the lower surface of the flue pipe is fixedly connected with an air jacking pipe and an air flue pipe, the inner side wall of the flue pipe is fixedly connected with a connecting flue, one end of the connecting flue extends into the waste heat flue, and the inner side wall of the waste heat flue is fixedly connected with a smoke absorbing pipeline;
the overhead air duct is mounted above the low-temperature green body region;
the smoke suction pipeline is arranged above the high-temperature cooling area;
the hakuai pipe is arranged between the high-temperature combustion area and the low-temperature green body area.
Optionally, an air supply device is fixedly connected to the middle section of the flue pipe, and the air supply device includes an air supply pipe and an air supply fan; the air supply fan is fixedly connected inside the air supply pipe through a mounting frame, and the two ends of the air supply pipe are fixedly connected with the flue pipe.
Optionally, the lower surface welding of flue pipe has the installation roof beam structure, the both ends of installation roof beam structure all weld the inside wall of rotary kiln.
The utility model has the advantages that: during the working process of the rotary kiln, a great deal of waste heat can be emitted by the calcined bricks in the high-temperature cooling area; the residual heat can enter the waste heat flue through the smoke absorption pipeline and enter the flue pipe through the connecting flue, and the heat absorbed from the high-temperature cooling area is discharged to the green bricks at the low-temperature green body area through the smoke absorption pipeline for preheating treatment under the action of the air supply device, so that the effect of waste heat recycling and preheating is realized, and the loss of heat is greatly reduced; the advantage of the present invention is that other advantageous effects are specified in the specific embodiments.
Drawings
FIG. 1 is a schematic structural view of an embodiment of the apparatus for recycling hot air of a rotary kiln;
FIG. 2 is a schematic view of the construction of a rotary kiln;
fig. 3 is a schematic structural diagram of the fast flow flue.
In the figure: 1. a rotary kiln; 11. a kiln body; 12. a front door; 13. a low temperature green zone; 14. a high temperature combustion zone; 15. a high temperature cooling zone;
2. a fast flow flue; 21. a flue pipe; 22. jacking an air pipe; 23. a Ha wind pipe; 24. an air supply device; 25. a waste heat flue; 26. connecting the flue; 27. a smoke suction pipe;
3. and (5) mounting the beam frame.
Detailed Description
The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein are for the purpose of describing particular embodiments only and are not intended to be limiting of the invention, and terms such as "and/or" as used herein include any and all combinations of one or more of the associated listed items; furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 to 3, the embodiment of the utility model discloses a rotary kiln hot air secondary utilization device, which comprises a rotary kiln 1 and a fast flow flue 2;
the rotary kiln 1 comprises a kiln body 11 and a front door 12, wherein the front door 12 is connected inside the kiln body 11 in a sliding manner along the vertical direction, and the kiln body 11 is sequentially provided with a low-temperature green body zone 13, a high-temperature combustion zone 14 and a high-temperature cooling zone 15 from right to back and left;
it should be noted that the front door 12 is connected inside the kiln body 11 in a sliding manner in the up-down direction, the bricks in the low-temperature green-pressing zone 13, the high-temperature combustion zone 14 and the high-temperature cooling zone 15 are respectively subjected to low-temperature preheating, high-temperature calcining and natural cooling, the bricks in each zone are immobile during operation, after the low-temperature preheating, high-temperature calcining and natural cooling are completed, the front door 12 slides downwards from the top dead center in fig. 1 to avoid the bricks between the front doors 12, and then the rotary kiln 1 rotates integrally (the rotation direction is from the high-temperature combustion zone 14 to the low-temperature green-pressing zone 13), so that the bricks subjected to low-temperature preheating are subjected to high-temperature calcining, the bricks subjected to high-temperature calcining are naturally cooled, and.
The fast flow flue 2 comprises a flue pipe 21 and a waste heat flue 25;
the lower surface of the flue pipe 21 is fixedly connected with a top air pipe 22 and a flue pipe 23, the inner side wall of the flue pipe 21 is fixedly connected with a connecting flue 26, one end of the connecting flue 26 extends to the interior of the waste heat flue 25, and the inner side wall of the waste heat flue 25 is fixedly connected with a smoke absorbing pipeline 27;
an overhead air duct 22 is installed above the low temperature green zone 13;
the smoke suction pipeline 27 is arranged above the high-temperature cooling area 15;
the haunch tube 23 is installed between the high temperature combustion zone 14 and the low temperature green zone 13.
The middle section of the flue pipe 21 is fixedly connected with an air supply device 24, and the air supply device 24 comprises an air supply pipe and an air supply fan; the air supply fan is fixedly connected inside the air supply pipe through a mounting frame, and the two ends of the air supply pipe are fixedly connected with flue pipes 21.
The lower surface welding of flue pipe 21 has installation roof beam structure 3, and the both ends of installation roof beam structure 3 all weld the inside wall at rotary kiln 1.
To sum up, the utility model relates to a hot-blast reutilization device of rotary kiln, the operation flow in the use is as follows:
arranging and placing green bricks in a rotary kiln 1; the low-temperature green body zone 13 is used for carrying out preheating treatment on the green bricks; the high-temperature combustion zone 14 is used for calcining the green bricks into bricks; the high-temperature cooling area 15 is used for placing the calcined bricks;
during the operation of the rotary kiln 1, the bricks calcined in the high-temperature cooling zone 15 emit a large amount of waste heat (the green bricks are cooled from the firing temperature to the room temperature, and the emitted heat is enough to dry wet green bricks with the same volume); the residual heat can enter the waste heat flue 25 through the smoke suction pipeline 27 and then enter the flue pipe 21 through the connecting flue 26, and the heat extracted from the high-temperature cooling area 15 is discharged to the green bricks at the low-temperature green blank area 13 for preheating treatment under the action of the air supply device 24, so that the effect of waste heat recycling and preheating is realized, and the heat loss is greatly reduced;
the hakuri tube 23 is arranged between the high-temperature combustion zone 14 and the low-temperature green body zone 13 (namely, the temperature is 600-800 ℃); the temperature of the high temperature combustion zone 14 is above 1000 ℃;
the value of the fuel is fully exerted, and the waste of heat is greatly reduced.
The present invention is further described in the detailed description, rather than in the limited form thereof, and it will be obvious to those skilled in the art that changes may be made in the structure without departing from the spirit and scope of the invention, and it is intended that all such changes be covered by the appended claims.
Claims (3)
1. A rotary kiln hot air secondary utilization device is characterized by comprising a rotary kiln (1) and a fast flow flue (2);
the rotary kiln (1) comprises a kiln body (11) and a front door (12), wherein the front door (12) is connected inside the kiln body (11) in a sliding manner along the vertical direction, and the kiln body (11) is sequentially provided with a low-temperature green body area (13), a high-temperature combustion area (14) and a high-temperature cooling area (15) from right to back and left;
the fast flow flue (2) comprises a flue pipe (21) and a waste heat flue (25);
the lower surface of the flue pipe (21) is fixedly connected with a top air pipe (22) and a hayman pipe (23), the inner side wall of the flue pipe (21) is fixedly connected with a connecting flue (26), one end of the connecting flue (26) extends into the waste heat flue (25), and the inner side wall of the waste heat flue (25) is fixedly connected with a smoke absorbing pipeline (27);
the overhead air duct (22) is mounted above the low temperature green body zone (13);
the smoke absorbing pipeline (27) is arranged above the high-temperature cooling area (15);
the Haugh pipe (23) is arranged between the high-temperature combustion area (14) and the low-temperature green body area (13).
2. The rotary kiln hot air secondary utilization device according to claim 1, characterized in that an air supply device (24) is fixedly connected to the middle section of the flue pipe (21), and the air supply device (24) comprises an air supply pipe and an air supply fan; the air supply fan is fixedly connected inside the air supply pipe through a mounting frame, and the two ends of the air supply pipe are fixedly connected with the flue pipe (21).
3. The hot air secondary utilization device of the rotary kiln is characterized in that a mounting beam frame (3) is welded on the lower surface of the flue pipe (21), and two ends of the mounting beam frame (3) are welded on the inner side wall of the rotary kiln (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022234006.9U CN213238394U (en) | 2020-09-30 | 2020-09-30 | Hot air secondary utilization device of rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022234006.9U CN213238394U (en) | 2020-09-30 | 2020-09-30 | Hot air secondary utilization device of rotary kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213238394U true CN213238394U (en) | 2021-05-18 |
Family
ID=75878900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022234006.9U Active CN213238394U (en) | 2020-09-30 | 2020-09-30 | Hot air secondary utilization device of rotary kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213238394U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115046386A (en) * | 2022-08-12 | 2022-09-13 | 淄博市鲁中耐火材料有限公司 | Rotary solid material calcining device |
-
2020
- 2020-09-30 CN CN202022234006.9U patent/CN213238394U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115046386A (en) * | 2022-08-12 | 2022-09-13 | 淄博市鲁中耐火材料有限公司 | Rotary solid material calcining device |
| CN115046386B (en) * | 2022-08-12 | 2022-11-04 | 淄博市鲁中耐火材料有限公司 | Rotary solid material calcining device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240410 Address after: No. 1003, West Section of Huanghe Road, Gushi County, Xinyang City, Henan Province, 465200 Patentee after: Henan Hongyun Rotary Kiln Intelligent Equipment Manufacturing Co.,Ltd. Country or region after: China Address before: 465200 middle section of wangshenzhi Avenue, Gushi County, Xinyang City, Henan Province Patentee before: Henan Hongrun Kiln Construction Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |