CN203928762U - A kind of alumina roasting furnace fluidized bed cooler augmentation of heat transfer cooling unit - Google Patents
A kind of alumina roasting furnace fluidized bed cooler augmentation of heat transfer cooling unit Download PDFInfo
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- CN203928762U CN203928762U CN201420248514.4U CN201420248514U CN203928762U CN 203928762 U CN203928762 U CN 203928762U CN 201420248514 U CN201420248514 U CN 201420248514U CN 203928762 U CN203928762 U CN 203928762U
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- standpipe
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Abstract
An alumina roasting furnace fluidized bed cooler augmentation of heat transfer cooling unit, comprises inlet header, outlet header, intermediate header, the first decline standpipe group, the second decline standpipe group, the first rising standpipe group, the second rising standpipe group; The first decline standpipe group upper end is connected with inlet header, and the first rising standpipe group upper end is connected with outlet header, and the first decline standpipe group lower end is all connected with intermediate header with the first rising standpipe group lower end; Each root first decline standpipe and a second decline standpipe formation are a pair of, and each root first rising standpipe and a second rising standpipe formation are a pair of, between every a pair of rising standpipe and decline standpipe, by many transverse tubes, connect; The first decline standpipe, the first rising standpipe, the second decline standpipe, the second rising standpipe all separately pipe in corresponding position be provided with dividing plate.Cooling effect of the present utility model is difficult for, because granules in pipe thing deposition reduces, not being prone to the situation that particle stops up heat exchange pipeline simultaneously.
Description
Technical field
The utility model relates to a kind of alumina roasting furnace fluidized bed cooler cooling unit.
Background technology
Aluminium oxide is through cyclone cooling system, from roaster cyclone cylinder out time temperature more than 250 ℃, can not directly be admitted to conveying and packaging system.For equipment and personal security, through the cooled aluminium oxide of cyclone cooling system, also need to carry out secondary through fluidized bed cooler cooling.In fluidized bed cooler, cooling water and aluminium oxide carry out indirect heat exchange by steel pipe walls, and aluminium oxide temperature is down to below 80 ℃.Along with roaster production capacity improves constantly, existing heat exchange area cannot meet the demands, going out Category Four cyclone cooler aluminium oxide temperature has reached more than 265 ℃, make fluidized bed cooler drop temperature reach 100 ℃ of left and right, aluminum oxide conveying system and packaging process have been produced to totally unfavorable impact, excess Temperature causes the damage of induction system conveying and packaging bag, particularly enter summer, temperature raises, cooling effect is poorer, for guaranteeing that cooler drop temperature is in rational scope, roaster production capacity is restricted.
As shown in Figure 8, existing roaster fluidized bed cooler cooling unit comprises an inlet header 2, outlet header 7, three intermediate headers (4,11,15), four groups of decline standpipes (1,5,12,14), four groups of rising standpipes (3,6,13,16), each group decline standpipe comprises three decline standpipes, and each group rising standpipe comprises three rising standpipes; The upper end of first group of decline standpipe 1 is connected with inlet header 2, the upper end of second group of decline standpipe 14 and first group of rising standpipe 16 is all connected with the first intermediate header 15, the upper end of the 3rd group of decline standpipe 5 and second group of rising standpipe 3 is all connected with the second intermediate header 4, the upper end of the 4th group of decline standpipe 12 and the 3rd group of rising standpipe 13 is all connected with the 3rd intermediate header 11, and the upper end of the 4th group of rising standpipe 6 is connected with outlet header 7; All decline standpipes and rising standpipe are the steel pipe of lower end closed; First group of decline standpipe 1 and first group of rising standpipe 16 form three pairs of standpipes, second group of decline standpipe 14 and second group of rising standpipe 3 form three pairs of standpipes, the 3rd group of decline standpipe 5 and the 3rd group of rising standpipe 13 form three pairs of standpipes, the 4th group of decline standpipe 12 and the 4th group of rising standpipe 6 form three pairs of standpipes, between every a pair of rising standpipe and decline standpipe, by 17 transverse tubes 10, connect; In 17 transverse tubes 10 between every a pair of rising standpipe and decline standpipe, being positioned at the transverse tube of below is provided with 8,12 blow down branch 8 of blow down branch and is connected with a blowdown main 9.It is once a journey that the cooling water of take flows through transverse tube, and the flow process of existing fluidized bed cooler cooling unit is 4 journeys, and the circulation area of each journey is the cross-sectional area sum of 17 * 3 transverse tubes, and in practical application, the circulation area of each journey is about 0.016 m
2.
The flow process of existing fluidized bed cooler cooling unit is 4 journeys, and the circulation area of each journey is large, and cooling water flow velocity is too low, easily causes the particle in cooling water to be deposited in heat exchange pipeline, reduces the coefficient of heat transfer of heat exchange pipeline, stops up heat exchange pipeline.The blow-off pipe of existing fluidized bed cooler cooling unit is located on the transverse tube of bottom, and blow down branch number is many, and pipeline is complicated, and not at the bottommost of cooling unit, blowdown is not smooth.Along with roaster production capacity improves constantly, existing heat exchange area does not reach cooling requirement.
Utility model content
Technical problem to be solved in the utility model is, a kind of alumina roasting furnace fluidized bed cooler augmentation of heat transfer cooling unit is provided, and to meet roaster production capacity, improves constantly the needs that fluidized bed cooler cooling load increases; Its cooling effect is difficult for, because the particle deposition in cooling water in heat exchange pipeline reduces, not being prone to the situation of the particle obstruction heat exchange pipeline in cooling water simultaneously.
The utility model solves the technical scheme that its technical problem adopts: a kind of alumina roasting furnace fluidized bed cooler augmentation of heat transfer cooling unit, comprises an inlet header, outlet header, intermediate header, the first decline standpipe group, the second decline standpipe group, the first rising standpipe group, the second rising standpipe group; Described the first decline standpipe group is many first decline standpipes, and the upper end of the first decline standpipe is connected with described inlet header, and the lower end of the first decline standpipe is connected with described intermediate header; Described the first rising standpipe group is many first rising standpipes, and the upper end of the first rising standpipe is connected with described outlet header, and the lower end of the first rising standpipe is connected with described intermediate header; The second decline standpipe that described the second decline standpipe group is many closed at both ends, the second rising standpipe that described the second rising standpipe group is many closed at both ends; Described in each root, the first decline standpipe and a described second decline standpipe formation are a pair of, between every a pair of the first decline standpipe, the second decline standpipe, by 4 * N root transverse tube, connect; Described in each root, the first rising standpipe and a described second rising standpipe formation are a pair of, between every a pair of the first rising standpipe, the second rising standpipe, by 4 * N root transverse tube, connect; Described the first decline standpipe, the first rising standpipe in and N root and N+1 root transverse tube junction between, and 3N root and 3N+1 root transverse tube junction between be provided with dividing plate; Described the second decline standpipe, the second rising standpipe in and 2N root and 2N+1 root transverse tube junction between be provided with dividing plate.
Further, the first decline standpipe number that described the first decline standpipe group comprises equates with the second decline standpipe number that described the second decline standpipe group comprises, and the first rising standpipe number that described the first rising standpipe group comprises equates with the second rising standpipe number that described the second rising standpipe group comprises; Described the first decline standpipe group is the first decline standpipe described in 4-8 root.
Further, described N is 3 or 4.
Further, described intermediate header is provided with a blow-off pipe.
Further, described transverse tube is light pipe or bellows tube.
Or described transverse tube is horizontal finned tube.
Further, described horizontal finned tube adopts light pipe to be welded with independent horizontal fin sheet to make; Described independent horizontal fin sheet is circular, by the whole punch forming of numerical control press; The thickness of independent horizontal fin sheet is 2-3mm, and external diameter is 45-50mm; Described independent horizontal fin sheet and described light pipe adopt argon shield weldering to fuse into one, and the distance on same horizontal finned tube between adjacent independent horizontal fin sheet is 12-16mm.
Good effect of the present utility model is: (1) is that 4 journeys are different from the flow process of existing fluidized bed cooler cooling unit, flow process of the present utility model is 8 journeys, measure-alike at fluidized bed cooler cooling unit, in the equal situation of transverse tube quantity, the circulation area of each journey of the utility model is half of existing fluidized bed cooler cooling unit, the flow velocity of cooling water in the utility model is than doubling in existing fluidized bed cooler cooling unit, can improve the carrying capacity of tube fluid like this, make the particle in pipe be difficult for deposition, reduce the probability that heat exchange pipeline stops up occurs, simultaneously, can reduce dirtiness resistance in pipe, increase intraductal heat exchange coefficient, improve heat transfer effect, (2) different from transverse tube employing light pipe or the bellows tube of existing fluidized bed cooler cooling unit, in preferred version, transverse tube of the present utility model is horizontal finned tube, this can make the heat exchange area of fluidized bed cooler cooling unit increase 1-2 doubly, can greatly improve the heat transfer effect of fluidized bed cooler cooling unit, (3) on the transverse tube below being positioned at existing fluidized bed cooler cooling unit, blow down branch is set in many transverse tubes that are connected every a pair of rising standpipe and decline standpipe, many blow down branch connect different from a blowdown main, preferred version of the present utility model is arranged on blow-off pipe on intermediate header, this makes blow-off line structure more succinct, and blowdown is more smooth and easy.
Accompanying drawing explanation
Fig. 1 is the positive interposed structure schematic diagram of the utility model one embodiment.
Fig. 2 is inverted structure schematic diagram embodiment illustrated in fig. 1.
Fig. 3 is inlet header embodiment illustrated in fig. 1 and the cutaway view of outlet header.
Fig. 4 is the cutaway view of intermediate header embodiment illustrated in fig. 1.
Fig. 5 is the cutaway view of the first decline standpipe embodiment illustrated in fig. 1.
Fig. 6 is the cutaway view of the second decline standpipe embodiment illustrated in fig. 1.
Fig. 7 is the structural representation of horizontal finned tube embodiment illustrated in fig. 1.
Fig. 8 is the upward view of existing fluidized bed cooler cooling unit.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Fig. 1～7, the present embodiment comprises an inlet header 1, outlet header 4, intermediate header 8, the first decline standpipe group, the second decline standpipe group, the first rising standpipe group, the second rising standpipe group; The first decline standpipe group is that the upper end of 6 the first decline standpipe 6, the first decline standpipes 6 is connected with inlet header 1, and the lower end of the first decline standpipe 6 is connected with intermediate header 8; The first rising standpipe group is that the upper end of 6 the first rising standpipe 7, the first rising standpipes 7 is connected with outlet header 4, and the lower end of the first rising standpipe 7 is connected with intermediate header 8; The second decline standpipe group is that the second decline standpipe 2, the second rising standpipe groups of 6 closed at both ends are the second rising standpipe 3 of 6 closed at both ends; Each root first decline standpipe 6 and second decline standpipe 2 formations are a pair of, between every a pair of the first decline standpipe 6, the second decline standpipe 2, by 4 * 4 horizontal finned tubes 5, connect; Each root first rising standpipe 7 and second rising standpipe 3 formations are a pair of, between every a pair of the first rising standpipe 7, the second rising standpipe 3, by 4 * 4 horizontal finned tubes 5, connect; The first decline standpipe 6 in and the 4th and the 5th horizontal finned tube junction between be provided with dividing plate 6-1, in and the 12nd and the 13rd horizontal finned tube junction between be provided with dividing plate 6-2; The first rising standpipe 7 in and the 4th and the 5th horizontal finned tube junction between, and the 12nd and the 13rd horizontal finned tube junction between be provided with dividing plate (not shown); The second decline standpipe 2 in and the 8th and the 9th horizontal finned tube junction between be provided with dividing plate 2-1; The second rising standpipe 3 in and the 8th and the 9th horizontal finned tube junction between be provided with dividing plate (not shown); On intermediate header 8, be also provided with a blow-off pipe 9.
Horizontal finned tube 5 adopts light pipe 5-1 to be welded with independent horizontal fin sheet 5-2 and makes; Independent horizontal fin sheet 5-2 is circular, by the whole punch forming of numerical control press; The thickness of independent horizontal fin sheet 5-2 is 2.5mm, and external diameter is 50mm; Independent horizontal fin sheet 5-2 and light pipe 5-1 adopt argon shield weldering to fuse into one, and the distance on same horizontal finned tube 5 between adjacent independent horizontal fin sheet 5-2 is 14mm.
During operation, first cooling water enters in the first decline standpipe group from inlet header 1; Then, intercepted by the first decline standpipe 6 median septum 6-1, the 1st to the 4th horizontal finned tube of counting from top to bottom of cooling water on the first decline standpipe 6 flows into the second decline standpipe group; Then, intercepted by the second decline standpipe 2 median septum 2-1, the 5th to the 8th horizontal finned tube of cooling water on the second decline standpipe 2 is back in the first decline standpipe group; Then, intercepted by the first decline standpipe 6 median septum 6-2, the 9th to the 12nd horizontal finned tube of cooling water on the first decline standpipe 6 flows in the second decline standpipe group again; Then, cooling water flows downward, and the 13rd to the 16th horizontal finned tube on the second decline standpipe 2 is back in the first decline standpipe group again; Then, cooling water flow into intermediate header 8 downwards, and enters into the first rising standpipe group by intermediate header 8.Cooling water is similar at the mobility status between the first rising standpipe group and the second rising standpipe group and its mobility status between the first decline standpipe group and the second decline standpipe group, be both opposite directions, cooling water is to flow from top to bottom between the first decline standpipe group and the second decline standpipe group, and is to flow from lower to upper between the first rising standpipe group and the second rising standpipe group.Cooling water is 8 journeys in the flow process of fluidized bed cooler cooling unit, wherein, flow to intermediate header 8 need, through 4 journeys, by intermediate header 8, flow to outlet header 4 again through 4 journeys by inlet header 1.The cooling water of fluidized bed cooler cooling unit of flowing through all needs through intermediate header 8, and intermediate header 8 arranges the bottom of fluidized bed cooler cooling unit, and blow down branch 9 is arranged on intermediate header 8, and this makes blow-off line structure more succinct, and blowdown is more smooth and easy.
The first decline standpipe number that the first decline standpipe group described in the present embodiment comprises can also be any one numerical value in 4,5,7,8, and the horizontal finned tube 5 between the horizontal finned tube 5 between every a pair of the first decline standpipe 6, the second decline standpipe 2, every a pair of the first rising standpipe 7, the second rising standpipe 3 can also be 4 * 3.The thickness of described independent horizontal fin sheet can also be any other values in 2-3mm, and its external diameter can also be any other values in 45-50mm.Distance on same horizontal finned tube between adjacent independent horizontal fin sheet can also be any other values in 12-16mm.Distance on the thickness of independent horizontal fin sheet, external diameter and same horizontal finned tube between adjacent independent horizontal fin sheet can be calculated through detailed heating power and resistance, suitably chooses.
Claims (10)
1. an alumina roasting furnace fluidized bed cooler augmentation of heat transfer cooling unit, it is characterized in that, comprise an inlet header, outlet header, intermediate header, the first decline standpipe group, the second decline standpipe group, the first rising standpipe group, the second rising standpipe group; Described the first decline standpipe group is many first decline standpipes, and the upper end of the first decline standpipe is connected with described inlet header, and the lower end of the first decline standpipe is connected with described intermediate header; Described the first rising standpipe group is many first rising standpipes, and the upper end of the first rising standpipe is connected with described outlet header, and the lower end of the first rising standpipe is connected with described intermediate header; The second decline standpipe that described the second decline standpipe group is many closed at both ends, the second rising standpipe that described the second rising standpipe group is many closed at both ends; Described in each root, the first decline standpipe and a described second decline standpipe formation are a pair of, between every a pair of the first decline standpipe, the second decline standpipe, by 4 * N root transverse tube, connect; Described in each root, the first rising standpipe and a described second rising standpipe formation are a pair of, between every a pair of the first rising standpipe, the second rising standpipe, by 4 * N root transverse tube, connect; Described the first decline standpipe, the first rising standpipe in and N root and N+1 root transverse tube junction between, and 3N root and 3N+1 root transverse tube junction between be provided with dividing plate; Described the second decline standpipe, the second rising standpipe in and 2N root and 2N+1 root transverse tube junction between be provided with dividing plate.
2. alumina roasting furnace fluidized bed cooler augmentation of heat transfer cooling unit according to claim 1, it is characterized in that, the first decline standpipe number that described the first decline standpipe group comprises equates with the second decline standpipe number that described the second decline standpipe group comprises, and the first rising standpipe number that described the first rising standpipe group comprises equates with the second rising standpipe number that described the second rising standpipe group comprises; Described the first decline standpipe group is the first decline standpipe described in 4-8 root.
3. alumina roasting furnace fluidized bed cooler augmentation of heat transfer cooling unit according to claim 1 and 2, is characterized in that, described N is 3 or 4.
4. alumina roasting furnace fluidized bed cooler augmentation of heat transfer cooling unit according to claim 1, is characterized in that, described intermediate header is provided with a blow-off pipe.
5. according to the alumina roasting furnace fluidized bed cooler augmentation of heat transfer cooling unit described in claim 1 or 4, it is characterized in that, described transverse tube is horizontal finned tube.
6. alumina roasting furnace fluidized bed cooler augmentation of heat transfer cooling unit according to claim 5, is characterized in that, described horizontal finned tube adopts light pipe to be welded with independent horizontal fin sheet and makes; Described independent horizontal fin sheet is circular, by the whole punch forming of numerical control press; The thickness of independent horizontal fin sheet is 2-3mm, and external diameter is 45-50mm; Described independent horizontal fin sheet and described light pipe adopt argon shield weldering to fuse into one, and the distance on same horizontal finned tube between adjacent independent horizontal fin sheet is 12-16mm.
7. alumina roasting furnace fluidized bed cooler augmentation of heat transfer cooling unit according to claim 3, is characterized in that, described intermediate header is provided with a blow-off pipe.
8. alumina roasting furnace fluidized bed cooler augmentation of heat transfer cooling unit according to claim 7, is characterized in that, described transverse tube is light pipe or bellows tube.
9. alumina roasting furnace fluidized bed cooler augmentation of heat transfer cooling unit according to claim 7, is characterized in that, described transverse tube is horizontal finned tube.
10. alumina roasting furnace fluidized bed cooler augmentation of heat transfer cooling unit according to claim 9, is characterized in that, described horizontal finned tube adopts light pipe to be welded with independent horizontal fin sheet and makes; Described independent horizontal fin sheet is circular, by the whole punch forming of numerical control press; The thickness of independent horizontal fin sheet is 2-3mm, and external diameter is 45-50mm; Described independent horizontal fin sheet and described light pipe adopt argon shield weldering to fuse into one, and the distance on same horizontal finned tube between adjacent independent horizontal fin sheet is 12-16mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420248514.4U CN203928762U (en) | 2014-05-15 | 2014-05-15 | A kind of alumina roasting furnace fluidized bed cooler augmentation of heat transfer cooling unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420248514.4U CN203928762U (en) | 2014-05-15 | 2014-05-15 | A kind of alumina roasting furnace fluidized bed cooler augmentation of heat transfer cooling unit |
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| CN203928762U true CN203928762U (en) | 2014-11-05 |
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| CN201420248514.4U Withdrawn - After Issue CN203928762U (en) | 2014-05-15 | 2014-05-15 | A kind of alumina roasting furnace fluidized bed cooler augmentation of heat transfer cooling unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006662A (en) * | 2014-05-15 | 2014-08-27 | 中南大学 | Enhanced heat transferring cooling unit of aluminum oxide roasting furnace fluidized bed cooler |
| CN109506482A (en) * | 2018-12-10 | 2019-03-22 | 河南科达东大国际工程有限公司 | The cooling equipment of aluminium oxide calcining and modularization aluminium oxide calcining cooling device |
| CN109520330A (en) * | 2017-09-19 | 2019-03-26 | 杭州三花研究院有限公司 | Heat exchanger and heat-exchange system |
-
2014
- 2014-05-15 CN CN201420248514.4U patent/CN203928762U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006662A (en) * | 2014-05-15 | 2014-08-27 | 中南大学 | Enhanced heat transferring cooling unit of aluminum oxide roasting furnace fluidized bed cooler |
| CN104006662B (en) * | 2014-05-15 | 2015-10-07 | 中南大学 | A kind of alumina roasting furnace fluidized bed cooler augmentation of heat transfer cooling unit |
| CN109520330A (en) * | 2017-09-19 | 2019-03-26 | 杭州三花研究院有限公司 | Heat exchanger and heat-exchange system |
| CN109520330B (en) * | 2017-09-19 | 2021-02-26 | 杭州三花研究院有限公司 | Heat exchanger and heat exchange system |
| CN109506482A (en) * | 2018-12-10 | 2019-03-22 | 河南科达东大国际工程有限公司 | The cooling equipment of aluminium oxide calcining and modularization aluminium oxide calcining cooling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141105 Effective date of abandoning: 20151007 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |