CN103743229B - Cooler in rotary kiln - Google Patents
Cooler in rotary kiln Download PDFInfo
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- CN103743229B CN103743229B CN201410047477.5A CN201410047477A CN103743229B CN 103743229 B CN103743229 B CN 103743229B CN 201410047477 A CN201410047477 A CN 201410047477A CN 103743229 B CN103743229 B CN 103743229B
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- chamber
- housing
- annular
- rotary kiln
- cooler
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Abstract
The present invention relates to industrial stoving calciner, be cooler in a kind of rotary kiln, there is cylindrical outer casing, it is characterized in that: be welded left and right tube sheet in housing, and in housing, be positioned at the left and right dividing plate that to be welded outside the tube sheet of left and right, left and right tube sheet is coated with some heat exchanger tubes; Be furnished with multiple feed well at housing left end along inwall, have spacing between feed well between two, form discharge flue and exhaust passage; Multiple blow tank is furnished with along inwall at housing right-hand member; Spacing is had to form inlet channel between two between blow tank; Annular row petticoat pipe and annular row gas hood and annular airscoop shroud is provided with at housing exterior walls; Housing afterbody is provided with hood and divides into dump skip; The present invention can be integrated with rotary kiln, compact conformation, and save energy consumption, and can avoid material transfer dust from flying, cooling effectiveness is high, is mainly used in the material cooling in industrial stoving calcine technology.
Description
Technical field
The present invention relates to the improvement opportunity of industrial stoving calciner, cooler in especially a kind of rotary kiln.
Background technology
In industry calcining and drying production process, because after calcining and oven dry, the temperature of material is too high, to subsequent delivery, store, packaging etc. can cause very large inconvenience and its heat taken away also is very large waste, so the UTILIZATION OF VESIDUAL HEAT IN of high-temperature material and cooling are very important problems, in most of technique, the cooling of high-temperature material completes in independently cooler, this type of cooling is loosely organized, need to configure independent drive unit, particularly there is material transshipment problem, affect production efficiency, need to increase transloading equipment, increase investment, and contaminated environment.
Summary of the invention
Object of the present invention will solve in existing drying, and calcining skill exactly, adopts independently cooler to carry out the problems referred to above of material cooling existence, provides cooler in a kind of rotary kiln.
Concrete scheme of the present invention is: cooler in rotary kiln, there is cylindrical outer casing, it is characterized in that: be welded left and right tube sheet in housing, and in housing, be positioned at the left clapboard that to be welded outside left tube sheet, be positioned at the right clapboard that to be welded outside right tube plate, housing cavity is divided into flue gas disengagement chamber by left and right tube sheet and left and right dividing plate, cooling medium discharge chamber, heat-exchanging chamber, cooling medium enters chamber, discharging chamber, is provided with some heat exchanger tubes and is installed on and left and right tube sheet is communicated with cooling medium enters chamber and discharge chamber in heat exchange chamber; Be furnished with multiple feed well at housing left end along inwall, be communicated with heat exchange chamber through left clapboard and left tube sheet, have spacing between feed well between two, form discharge flue and exhaust passage; Be furnished with multiple blow tank at housing right-hand member along inwall, stride across cooling medium and enter chamber heat exchange chamber is communicated with discharging chamber; Spacing is had to form inlet channel between two between blow tank; Be fixed with annular row petticoat pipe at the corresponding flue gas disengagement chamber of housing exterior walls, corresponding cooling medium discharge chamber is fixed with annular row gas hood, and corresponding cooling medium enters chamber and is fixed with annular airscoop shroud; Outside, discharging chamber is provided with hood and divides into dump skip; On housing, corresponding all discharge flues have exhaust smoke hole and are communicated with annular enclosure, and corresponding all exhaust passages have steam vent and are communicated with annular hood, and corresponding all inlet channels have air admission hole and are communicated with annular airscoop shroud.
Feed well described in the present invention and blow tank are spiral inclination and arrange.
Feed well described in the present invention and blow tank adopt U-shaped steel part to be welded in inner walls, and the openend of U-shaped steel part is towards inwall.
Front end at feed well in the present invention is welded with stock guide.
Be welded in the front end of flue gas disengagement chamber in the present invention annular striker plate, and annular striker plate just has charging aperture to each feed well.
On annular row petticoat pipe, exhanst gas outlet and ash discharging hole is provided with in the present invention.
On annular row gas hood, be provided with exhaust outlet in the present invention, annular airscoop shroud is provided with air inlet.
To be welded uniform some lifting blades along inner walls in heat-exchanging chamber in the present invention.
The petticoat pipe of annular row described in the present invention, annular row gas hood, annular airscoop shroud, hood all and between housing add movable sealing
.
Operation principle of the present invention is: in use, be welded housing of the present invention and cylinder of rotary kiln one, high-temperature material in rotary kiln enters heat-exchanging chamber by feed well smoothly by stock guide and is cooled, then enters discharging chamber by blow tank and discharged cooling from the discharging opening of hood.High-temperature flue gas in rotary kiln is then by flue gas disengagement chamber, and discharge flue enters annular row petticoat pipe, and discharges from the exhanst gas outlet of enclosure, and the high-temperature flue gas of discharge can also carry out heat recovery.Cooling medium (being mainly cheap natural air) enters cooling medium from annular airscoop shroud and enters chamber, by many heat exchanger tubes, the material in heat-exchanging chamber is cooled again, cooling medium heats and enters cooling medium discharge chamber after heat exchanger tube, then enters annular row gas hood through exhaust passage and discharge from the exhaust outlet of hood.The hot-air of discharging is clean containing oxygen air, directly can deliver to technique heating equipment and carry out combustion-supporting.Certain cooling medium can also adopt cooling water or other gas, liquid medium.
The present invention's application middle shell is the one that is welded with cylinder of rotary kiln, during work, housing rotates with cylindrical shell, need not additional driving force, save energy consumption, particularly integral structure is compact, without the need to increasing transloading equipment, reduce investment, improve production efficiency, avoid the dust from flying in material transfer simultaneously, be beneficial to environment and take on a new look.And the high-temperature flue gas in the present invention and the clean hot air after heat exchange all can heat recovery, and process energy consumption is little, and heat energy recovery rate is high, can significantly improve energy utilization rate and reduce production cost.
Accompanying drawing explanation
Fig. 1 is perspective view of the present invention;
Fig. 2 is main cross-sectional schematic of the present invention;
Fig. 3 is the A-A view in Fig. 2;
Fig. 4 is the B-B view in Fig. 2;
Fig. 5 is the C-C view in Fig. 2;
Fig. 6 is the D-D view in Fig. 2;
Fig. 7 is the E-E view in Fig. 2;
Fig. 8 is annular striker plate front view;
Fig. 9 is left (right side) dividing plate front view;
Figure 10 is left (right side) tube sheet front view.
In figure: 1-housing, 2-annular row petticoat pipe, 3-exhanst gas outlet, 4-lifting blade, 5-heat exchanger tube, 6-annular airscoop shroud, 7-hood, 8-blow tank, 9-inlet channel, 10-right clapboard, 11-right tube plate, 12-discharge port, 13-air inlet, 14-left tube sheet, 15-outlet passageway, 16-left clapboard, 17-annular row gas hood, 18-discharge flue, 19-exhaust outlet, 20-ash discharging hole, 21-annular striker plate, 22-feed well, 23-stock guide, 24-heat-exchanging chamber, 25-exhaust smoke hole, 26-steam vent, 27-air admission hole, 28-charging aperture.
Detailed description of the invention
See Fig. 1-10, the present invention has cylindrical outer casing, it is characterized in that: be welded left and right tube sheet 14 and 11 in housing 1, and in housing 1, be positioned at the left clapboard 16 that to be welded outside left tube sheet 14, be positioned at the right clapboard 10 that to be welded outside right tube plate 11, housing 1 inner chamber is divided into flue gas disengagement chamber by left and right tube sheet 14,11 and left and right dividing plate 16,10, cooling medium discharge chamber, heat-exchanging chamber 24, cooling medium enters chamber, discharging chamber, is provided with many heat exchanger tubes 5 and is installed on left and right tube sheet 14 and is communicated with cooling medium on 11 and enters chamber and discharge chamber in heat-exchanging chamber 24; Be furnished with multiple feed well 22 at housing 1 left end along inwall, be communicated with heat-exchanging chamber 24 through left clapboard 10 and left tube sheet 14, have spacing between feed well 22 between two, form discharge flue 18 and exhaust passage; Be furnished with multiple blow tank 8 at housing 1 right-hand member along inwall, stride across cooling medium and enter chamber heat-exchanging chamber 24 is communicated with discharging chamber; Spacing is had to form inlet channel 9 between two between blow tank 8; Be fixed with annular row petticoat pipe 2 at the corresponding flue gas disengagement chamber of housing 1 outer wall, corresponding cooling medium discharge chamber is fixed with annular row gas hood 17, and corresponding cooling medium enters chamber and is fixed with annular airscoop shroud 6; Outside, discharging chamber is provided with hood 7 and divides into dump skip 12; On housing 1, corresponding all discharge flues have exhaust smoke hole and are communicated with annular enclosure 2, and corresponding all exhaust passages have steam vent 26 and are communicated with annular hood 17, and corresponding all inlet channels 9 have air admission hole 27 and are communicated with annular airscoop shroud 6.
Feed well 22 described in the present embodiment and blow tank 8 are spiral inclination and arrange, are conducive to the flowing of material.
Feed well 22 described in the present embodiment and blow tank 8 adopt U-shaped steel part to be welded on housing 1 inwall, and the openend of U-shaped steel part is towards inwall.
Be welded with stock guide 23 in the front end of feed well 28 in the present embodiment, import feed well 22 to facilitate material.
Be welded in the front end of flue gas disengagement chamber in the present embodiment annular striker plate 21, and the periphery of annular striker plate 21 just has charging aperture 28 to each feed well 22, enters flue gas disengagement chamber to stop material.
On annular row petticoat pipe 2, exhanst gas outlet 3 and ash discharging hole 20 is provided with in the present embodiment.
On annular row gas hood 17, be provided with exhaust outlet 19 in the present embodiment, annular airscoop shroud 6 is provided with air inlet 13.
In the present embodiment in heat-exchanging chamber 24 along the polylith lifting blade 4 that inner walls is welded uniform, to improve cooling effect.
The petticoat pipe of annular row described in the present embodiment 2, annular row gas hood 17, annular airscoop shroud 6, hood 7 all and between housing 1 add movable sealing, guarantee sealing effectiveness, do not leak out.
Claims (9)
1. cooler in rotary kiln, there is cylindrical outer casing, it is characterized in that: be welded left and right tube sheet in housing, and in housing, be positioned at the left clapboard that to be welded outside left tube sheet, be positioned at the right clapboard that to be welded outside right tube plate, housing cavity is divided into flue gas disengagement chamber by left and right tube sheet and left and right dividing plate, cooling medium discharge chamber, heat-exchanging chamber, cooling medium enters chamber, discharging chamber, is provided with some heat exchanger tubes and is installed on and left and right tube sheet is communicated with cooling medium enters chamber and discharge chamber in heat exchange chamber; Be furnished with multiple feed well at housing left end along inwall, be communicated with heat exchange chamber through left clapboard and left tube sheet, have spacing between feed well between two, form discharge flue and exhaust passage; Be furnished with multiple blow tank at housing right-hand member along inwall, stride across cooling medium and enter chamber heat exchange chamber is communicated with discharging chamber; Spacing is had to form inlet channel between two between blow tank; Be fixed with annular row petticoat pipe at the corresponding flue gas disengagement chamber of housing exterior walls, corresponding cooling medium discharge chamber is fixed with annular row gas hood, and corresponding cooling medium enters chamber and is fixed with annular airscoop shroud; Outside, discharging chamber is provided with hood and divides into dump skip; On housing, corresponding all discharge flues have exhaust smoke hole and are communicated with annular enclosure, and corresponding all exhaust passages have steam vent and are communicated with annular hood, and corresponding all inlet channels have air admission hole and are communicated with annular airscoop shroud.
2. cooler in rotary kiln according to claim 1, is characterized in that: described feed well and blow tank are spiral inclination and arrange.
3. cooler in rotary kiln according to claim 1 and 2, is characterized in that: described feed well and blow tank adopt U-shaped steel part to be welded in inner walls, and the openend of U-shaped steel part is towards inwall.
4. cooler in rotary kiln according to claim 1 and 2, is characterized in that: be welded with stock guide in the front end of feed well.
5. cooler in rotary kiln according to claim 1, is characterized in that: be welded in the front end of flue gas disengagement chamber annular striker plate, and annular striker plate just has charging aperture to each feed well.
6. cooler in rotary kiln according to claim 1, is characterized in that: on annular row petticoat pipe, be provided with exhanst gas outlet and ash discharging hole.
7. cooler in rotary kiln according to claim 1, is characterized in that: on annular row gas hood, be provided with exhaust outlet, annular airscoop shroud is provided with air inlet.
8. cooler in rotary kiln according to claim 1, is characterized in that: to be welded uniform some lifting blades along inner walls in heat-exchanging chamber.
9. cooler in rotary kiln according to claim 1, is characterized in that: described annular row petticoat pipe, annular row gas hood, annular airscoop shroud, hood all and between housing add movable sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410047477.5A CN103743229B (en) | 2014-02-11 | 2014-02-11 | Cooler in rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410047477.5A CN103743229B (en) | 2014-02-11 | 2014-02-11 | Cooler in rotary kiln |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103743229A CN103743229A (en) | 2014-04-23 |
| CN103743229B true CN103743229B (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410047477.5A Active CN103743229B (en) | 2014-02-11 | 2014-02-11 | Cooler in rotary kiln |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106802088B (en) * | 2017-02-24 | 2022-12-13 | 中冶焦耐(大连)工程技术有限公司 | External cooling device and method for thermal state direct reduction iron furnace |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3092473A (en) * | 1959-04-22 | 1963-06-04 | Dravo Corp | Cooler for sinter and the like |
| US3809528A (en) * | 1973-09-04 | 1974-05-07 | Fuller Co | Apparatus for cooling solid particulate material |
| CN1087983A (en) * | 1992-11-12 | 1994-06-15 | 弗·尔·斯米德恩公司 | Rotary cooler |
| CN1106917A (en) * | 1994-02-26 | 1995-08-16 | 金属股份公司 | Rotary cooler for cooling bulk material |
| US5738510A (en) * | 1996-11-13 | 1998-04-14 | Mcdonald; Daniel | Rotary kiln cooler |
| CN203719378U (en) * | 2014-02-11 | 2014-07-16 | 黄石市建材节能设备总厂 | Inner rotary kiln cooling machine |
-
2014
- 2014-02-11 CN CN201410047477.5A patent/CN103743229B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3092473A (en) * | 1959-04-22 | 1963-06-04 | Dravo Corp | Cooler for sinter and the like |
| US3809528A (en) * | 1973-09-04 | 1974-05-07 | Fuller Co | Apparatus for cooling solid particulate material |
| CN1087983A (en) * | 1992-11-12 | 1994-06-15 | 弗·尔·斯米德恩公司 | Rotary cooler |
| CN1106917A (en) * | 1994-02-26 | 1995-08-16 | 金属股份公司 | Rotary cooler for cooling bulk material |
| US5738510A (en) * | 1996-11-13 | 1998-04-14 | Mcdonald; Daniel | Rotary kiln cooler |
| CN203719378U (en) * | 2014-02-11 | 2014-07-16 | 黄石市建材节能设备总厂 | Inner rotary kiln cooling machine |
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| Publication number | Publication date |
|---|---|
| CN103743229A (en) | 2014-04-23 |
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Effective date of registration: 20230406 Address after: No.16, Wangsheng Avenue East, Jinshan sub district office, Huangshi City, Hubei Province Patentee after: HUBEI JINLU ENERGY SAVING CO.,LTD. Address before: No. 161-1, Hangzhou West Road, Huangshi City, Hubei Province Patentee before: Huangshi Building Material Energy Saving Equipment Factory |