CN103743229A - Cooler used in rotary kiln - Google Patents
Cooler used in rotary kiln Download PDFInfo
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- CN103743229A CN103743229A CN201410047477.5A CN201410047477A CN103743229A CN 103743229 A CN103743229 A CN 103743229A CN 201410047477 A CN201410047477 A CN 201410047477A CN 103743229 A CN103743229 A CN 103743229A
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- cooler
- rotary kiln
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention relates to industrial drying calcination equipment, and discloses a cooler used in a rotary kiln. The cooler is provided with a barrel-shaped housing, and is characterized in that a left tube plate and a right tube plate are welded in a shell, wherein a left partition plate and a right partition plate are welded on the outer sides of the left and right tube plates in the shell; a plurality of heat exchange tubes are arranged on the left and right tube plates in a penetration way; a plurality of feed chutes are formed along the inner wall at the left end of the shell; a gap is formed between every two feed chutes to form smoke extraction passages and exhaust passages; a plurality of discharge chutes are formed along the inner wall at the right end of the shell; a gap is formed between every two discharge chutes to form inlet passages; an annular smoke extraction hood, an annular exhaust hood and an annular inlet hood are arranged on the outer wall of the shell; a tail cover is arranged at the tail of the shell, and a discharge bucket is arranged below the tail cover. The cooler can be integrated with the rotary kiln, is compact in structure and high in cooling efficiency, and is mainly used for material cooling in an industrial drying calcination process, the energy consumption is lowered, and raised dust during the transfer of materials can be avoided.
Description
Technical field
The present invention relates to the improvement technology of industrial stoving calciner, cooler in especially a kind of rotary kiln.
Background technology
In industry calcining and drying production process, due to the excess Temperature of material after calcining and oven dry, to subsequent delivery, store, it is also very large waste that packing etc. can cause very large inconvenience and its heat of taking away, so the UTILIZATION OF VESIDUAL HEAT IN of high-temperature material and cooling be a very important problem, in most of technique, high-temperature material is cooling independently completing in 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 the problems referred to above that independently cooler carries out the cooling existence of material, and cooler in a kind of rotary kiln is provided.
Concrete scheme of the present invention is: cooler in rotary kiln, there is cylindrical outer casing, it is characterized in that: left and right tube sheet has been welded in housing, and in housing, be positioned at the left tube sheet outside left clapboard that has been welded, be positioned at the right tube sheet outside right clapboard that has been welded, left and right tube sheet and left and right dividing plate are divided into flue gas disengagement chamber by housing inner chamber, 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 on the tube sheet of left and right, is communicated with cooling medium and enters chamber and discharge chamber in heat exchange chamber; At housing left end, along inwall, be furnished with multiple feed wells, through left clapboard and left tube sheet, be communicated with heat exchange chamber, between feed well, have between two spacing, form discharge flue and exhaust passage; At housing right-hand member, along inwall, be furnished with multiple blow tanks, stride across cooling medium and enter chamber heat exchange chamber is communicated with discharging chamber; Between blow tank, there is between two spacing to form inlet channel; At the corresponding flue gas disengagement chamber of housing outer wall, be fixed with annular row petticoat pipe, 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 are to 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.
In the present invention, at the front end of the flue gas disengagement chamber annular striker plate that has been welded, on annular striker plate, just each feed well is had to charging aperture.
In the present invention, on annular row petticoat pipe, be provided with exhanst gas outlet and ash discharging hole.
In the present invention, on annular row gas hood, be provided with exhaust outlet, on annular airscoop shroud, be provided with air inlet.
In the present invention in heat-exchanging chamber along the inner walls uniform some lifting blades that are welded.
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, by housing of the present invention and the cylinder of rotary kiln one that is welded, high-temperature material in rotary kiln enters heat-exchanging chamber by feed well smoothly by stock guide and is cooled, then is entered discharging chamber and discharged cooling from the discharging opening of hood by blow tank.High-temperature flue gas in rotary kiln is 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, to the material in heat-exchanging chamber, carry out cooling again, cooling medium heats and enters cooling medium discharge chamber after heat exchanger tube, then through exhaust passage, enters annular row gas hood and discharge from the exhaust outlet of hood.The hot-air of discharging is clean containing oxygen air, can directly deliver to technique heating equipment and carry out combustion-supporting.Certainly cooling medium can also adopt cooling water or other gas, liquid medium.
The present invention's application middle shell is and the cylinder of rotary kiln one that is welded, during work, housing rotates with cylindrical shell, need not additional driving force, saved energy consumption, particularly integral structure compactness, without increasing transloading equipment, reduce investment, improved production efficiency, avoided 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 costs.
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 sheet, 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.
The specific embodiment
Referring to Fig. 1-10, the present invention has cylindrical outer casing, it is characterized in that: left and right tube sheet 14 and 11 has been welded in housing 1, and in housing 1, be positioned at the left tube sheet 14 outsides left clapboard 16 that has been welded, be positioned at the right tube sheet 11 outsides right clapboard 10 that has been welded, left and right tube sheet 14,11 and left and right dividing plate 16,10 are divided into flue gas disengagement chamber by housing 1 inner chamber, 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 and on left and right tube sheet 14 and 11, is communicated with cooling medium and enters chamber and discharge chamber in heat-exchanging chamber 24; At housing 1 left end, along inwall, be furnished with multiple feed wells 22, through left clapboard 10 and left tube sheet 14, be communicated with heat-exchanging chamber 24, between feed well 22, have spacing between two, form discharge flue 18 and exhaust passage; At housing 1 right-hand member, along inwall, be furnished with multiple blow tanks 8, stride across cooling medium and enter chamber heat-exchanging chamber 24 is communicated with discharging chamber; Between blow tank 8, there is between two spacing to form inlet channel 9; At the corresponding flue gas disengagement chamber of housing 1 outer wall, be fixed with annular row petticoat pipe 2, 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 flowing of material.
Feed well 22 described in the present embodiment and blow tank 8 are to adopt U-shaped steel part to be welded on housing 1 inwall, and the openend of U-shaped steel part is towards inwall.
In the present embodiment, at the front end of feed well 28, be welded with stock guide 23, to facilitate material to import feed well 22.
In the present embodiment, at the front end of the flue gas disengagement chamber annular striker plate 21 that has been welded, the periphery of annular striker plate 21 just has charging aperture 28 to each feed well 22, to stop material to enter flue gas disengagement chamber.
In the present embodiment, on annular row petticoat pipe 2, be provided with exhanst gas outlet 3 and ash discharging hole 20.
In the present embodiment, on annular row gas hood 17, be provided with exhaust outlet 19, on annular airscoop shroud 6, be provided with air inlet 13.
The polylith lifting blade 4 that is welded uniform along inner walls in heat-exchanging chamber 24 in the present embodiment, 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: the left and right tube sheet that has been welded in housing, and be positioned at the left tube sheet outside left clapboard that has been welded in housing, is positioned at the right tube sheet outside right clapboard that has been welded, left and right tube sheet and left and right dividing plate are divided into flue gas disengagement chamber by housing inner chamber, 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 on the tube sheet of left and right, is communicated with cooling medium and enters chamber and discharge chamber in heat exchange chamber; At housing left end, along inwall, be furnished with multiple feed wells, through left clapboard and left tube sheet, be communicated with heat exchange chamber, between feed well, have between two spacing, form discharge flue and exhaust passage; At housing right-hand member, along inwall, be furnished with multiple blow tanks, stride across cooling medium and enter chamber heat exchange chamber is communicated with discharging chamber; Between blow tank, there is between two spacing to form inlet channel; At the corresponding flue gas disengagement chamber of housing outer wall, be fixed with annular row petticoat pipe, 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 are to 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: the front end at feed well is welded with stock guide.
5. cooler in rotary kiln according to claim 1, is characterized in that: at the front end of the flue gas disengagement chamber annular striker plate that has been welded, on annular striker plate, just each feed well is had to charging aperture.
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, on annular airscoop shroud, be provided with air inlet.
8. cooler in rotary kiln according to claim 1, is characterized in that: in heat-exchanging chamber along the inner walls uniform some lifting blades that are welded.
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 true CN103743229A (en) | 2014-04-23 |
| CN103743229B CN103743229B (en) | 2015-08-05 |
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Family Applications (1)
| 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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| Country | Link |
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| CN (1) | CN103743229B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106802088A (en) * | 2017-02-24 | 2017-06-06 | 中冶焦耐(大连)工程技术有限公司 | A kind of hot direct reduced iron stove external cooling device and method |
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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106802088A (en) * | 2017-02-24 | 2017-06-06 | 中冶焦耐(大连)工程技术有限公司 | A kind of hot direct reduced iron stove external cooling device and method |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN103743229B (en) | 2015-08-05 |
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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 |
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