CN102435080A - Stepped differential-velocity fluidized bed cooler - Google Patents
Stepped differential-velocity fluidized bed cooler Download PDFInfo
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- CN102435080A CN102435080A CN2011102678453A CN201110267845A CN102435080A CN 102435080 A CN102435080 A CN 102435080A CN 2011102678453 A CN2011102678453 A CN 2011102678453A CN 201110267845 A CN201110267845 A CN 201110267845A CN 102435080 A CN102435080 A CN 102435080A
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Abstract
The invention discloses a stepped differential-velocity fluidized bed cooler relating to a fluidized bed cooler. The invention aims to solve the problems of overhigh discharging temperature, poor cooling effect and non-uniform discharged grain temperature in the traditional fluidized bed cooler. A feeding pipe is communicated with the side wall at one end of a fluidized bed main body; an outer side wall at the other end of the fluidized bed main body is provided with an exhaust pipe and a first discharging pipe from the top down; a plurality of air chambers are arranged in the fluidized bed main body; the air chambers are arranged in sequence from high to low along the feeding-to-discharging direction of the fluidized bed main body; the upper end of each air chamber is provided with an air distribution plate; each air distribution plate is provided with a second discharging pipe; a plurality of air distribution holes are uniformly distributed and processed on each air distribution plate; a hood is arranged at each air distribution hole; an overflow plate is vertically arranged between every two adjacent air distribution plates; and the height of each overflow plate is sequentially and progressively reduced along the feeding-to-discharging direction of the fluidized bed main body. The stepped differential-velocity fluidized bed cooler is used for high-temperature granular materials in the cooling industry field.
Description
Technical field
The present invention relates to a kind of fluidized bed cooler.
Background technology
At present, fluidized bed cooler adopts solid fluidization technology to realize the granule materials cooling, is widely used in the high-temperature particle shape material cooling of industrial circles such as chemical industry, medicine, food, light industry, mining and metallurgy, power.But existing fluidized bed cooler is because high-temperature material particulate exothermic amount constantly increases, heat exchange load lowly causes that dump temperature is too high, the material particles back-mixing causes the discharge particle temperature inhomogeneous in cooling effect difference and the fluidized bed cooler.
Summary of the invention
The present invention exists for solving existing fluidized bed cooler that dump temperature is too high, cooling effect difference and the uneven problem of discharge particle temperature, and then a kind of staged differential fluidized bed cooler is provided.
The present invention solves the problems of the technologies described above the technical scheme of taking to be:
Staged differential fluidized bed cooler of the present invention comprises fluid bed main body, feed pipe, blast pipe, first drainage conduit, a plurality of second drainage conduit, a plurality of air compartment, polylith air distribution plate, a plurality of blast cap and polylith overflow plate; One end of said feed pipe is installed on the sidewall of fluid bed main body one end and with the inner chamber of fluid bed main body and is communicated with; Be provided with the blast pipe and first drainage conduit on the lateral wall of the said fluid bed main body other end from top to bottom; The said blast pipe and first drainage conduit all are communicated with the inner chamber of fluid bed main body; Said a plurality of air compartment is arranged in the inner chamber of fluid bed main body; Said a plurality of air compartment sets gradually along the discharging direction that is fed to of fluid bed main body from high to low, and the upper end of each air compartment is provided with piece of cloth aerofoil, and every air distribution plate is provided with one second drainage conduit; Be uniformly distributed with on the every air distribution plate and be processed with a plurality of wind distributing holes; Each wind distributing hole place is provided with a blast cap, vertically is provided with an overflow plate between two adjacent air distribution plates, and the height of polylith overflow plate successively decreases along the discharging direction that is fed to of fluid bed main body successively.
The invention has the beneficial effects as follows:
Staged differential fluidized bed cooler of the present invention adopts the multi-stage stepwise air distribution plate; Thereby form the multi-stage stepwise cooling bed; Compare with existing fluidized bed cooler, increased the time of staying of particle cooling greatly, particle all can be by abundant fluidisation in each bed; Thereby make particle obtain in various degree cooling, good cooling results, improved cooling effectiveness greatly; Staged differential fluidized bed cooler of the present invention has solved solid back-mixing, thereby makes the discharge particle temperature that is cooled even.
Description of drawings
Fig. 1 is that the master of staged differential fluidized bed cooler of the present invention looks cutaway view.
The specific embodiment
The specific embodiment one: as shown in Figure 1; The staged differential fluidized bed cooler of this embodiment comprises fluid bed main body 1, feed pipe 5, blast pipe 6, first drainage conduit 8, a plurality of second drainage conduit 9, a plurality of air compartment 10, polylith air distribution plate 2, a plurality of blast cap 3 and polylith overflow plate 7; One end of said feed pipe 5 is installed on the sidewall of fluid bed main body 1 one ends and with the inner chamber of fluid bed main body 1 and is communicated with; Be provided with the blast pipe 6 and first drainage conduit 8 on the lateral wall of said fluid bed main body 1 other end from top to bottom; The said blast pipe 6 and first drainage conduit 8 all are communicated with the inner chamber of fluid bed main body 1, and said a plurality of air compartments 10 are arranged in the inner chamber of fluid bed main body 1, and said a plurality of air compartments 10 set gradually along the discharging direction that is fed to of fluid bed main body 1 from high to low; The upper end of each air compartment 10 is provided with piece of cloth aerofoil 2; Every air distribution plate 2 is provided with one second drainage conduit 9, is uniformly distributed with on the every air distribution plate 2 to be processed with a plurality of wind distributing hole 2-1, and each wind distributing hole 2-1 place is provided with a blast cap 3; Vertically be provided with an overflow plate 7 between two adjacent air distribution plates 2, the height of polylith overflow plate 7 successively decreases along the discharging direction that is fed to of fluid bed main body 1 successively.
Staged differential fluidized bed cooler of the present invention is divided into first order fluidisation machine tool bed A, second level fluidisation machine tool bed B, third level fluidisation machine tool bed C successively along the discharging direction that is fed to of fluid bed main body 1 ... N level fluidisation machine tool bed.Carry out the differential operation between the fluidisation beds at different levels, to reach best cooling effect.
The specific embodiment two: as shown in Figure 1, the height difference H 1 between adjacent two air distribution plates 2 of this embodiment is 180～550mm.So design makes between adjacent fluidisation bed to have difference in height, and the material of fluidisation gets in the next stage smoothly.Other compositions and annexation are identical with the specific embodiment one.
The specific embodiment three: as shown in Figure 1, the height difference H 2 between the blast cap 3 on adjacent two air distribution plates 2 of this embodiment is 200～500mm.So design, guarantee the fluid height of adjacent fluidisation bed, prevent endocorpuscular exchange of bed of adjacent fluidisation and back-mixing.Other compositions and annexation are identical with the specific embodiment one or two.
The specific embodiment four: as shown in Figure 1, the height difference H 3 between air distribution plate 2 that this embodiment is the highest and the minimum air distribution plate 2 is 400～4500mm.Maintenance and installation are convenient in so design, guarantee cooling effect simultaneously.Other compositions and annexation are identical with the specific embodiment three.
The specific embodiment five: as shown in Figure 1, the height difference H 3 between the blast cap 3 on blast cap 3 on the highest air distribution plate 2 of this embodiment and the minimum air distribution plate 2 is 500～4000mm.Design like this is avoided making that operation and management are inconvenient because difference in height is excessive, guarantees effectively cooling simultaneously.Other compositions and annexation are identical with the specific embodiment one, two or four.
The specific embodiment six: as shown in Figure 1, the said fluidized bed cooler of this embodiment also comprises a plurality of water-cooling walls 4, and air distribution plate 2 tops the below are equipped with water-cooling wall 4 except that being positioned at.So design, the water-cooling wall 4 that is arranged in the fluidized bed cooler can carry out water-cooled to adherent material particles, and good cooling results has improved cooling effectiveness greatly.Other compositions and annexation are identical with the specific embodiment five.
Operation principle
Granule materials is sent in the first order fluidisation machine tool bed A by feed pipe 5; Through the air distribution plate 2 of the air compartment 10 in the first order fluidisation machine tool bed A in first order fluidisation machine tool bed A and blast cap 3 air-supplies; Granule materials in the first order fluidisation machine tool bed A carries out fluidisation, thereby accomplishes air-cooled process; The cooled material particles of first order fluidisation machine tool bed A is through overflow plate 7 inflow second level fluidisation machine tool bed B; Identical with first order fluid mapper process, granule materials is accomplished air-cooled process for the second time in the fluidisation machine tool bed B of the second level, and granule materials gets into third level fluidisation machine tool bed C through overflow plate 7 again; Granule materials is accomplished air-cooled process step by step; Particle is discharged cooled particle by first discharge gate 8 at last, and the gas in the staged differential fluidized bed cooler is discharged by exhaust outlet 6, in special circumstances; As promptly stop bed, the drainage conduit 9 that can open on the fluidisation beds at different levels is discharged the bed endoparticle.
Claims (6)
1. staged differential fluidized bed cooler; It is characterized in that: said fluidized bed cooler comprises fluid bed main body (1), feed pipe (5), blast pipe (6), first drainage conduit (8), a plurality of second drainage conduit (9), a plurality of air compartment (10), polylith air distribution plate (2), a plurality of blast cap (3) and polylith overflow plate (7); One end of said feed pipe (5) is installed on the sidewall of fluid bed main body (1) one end and with the inner chamber of fluid bed main body (1) and is communicated with; Be provided with blast pipe (6) and first drainage conduit (8) on the lateral wall of said fluid bed main body (1) other end from top to bottom; Said blast pipe (6) and first drainage conduit (8) all are communicated with the inner chamber of fluid bed main body (1); Said a plurality of air compartment (10) is arranged in the inner chamber of fluid bed main body (1); Said a plurality of air compartment (10) sets gradually along the discharging direction that is fed to of fluid bed main body (1) from high to low, and the upper end of each air compartment (10) is provided with piece of cloth aerofoil (2), and every air distribution plate (2) is provided with one second drainage conduit (9); Be uniformly distributed with on the every air distribution plate (2) and be processed with a plurality of wind distributing holes (2-1); Each wind distributing hole (2-1) locates to be provided with a blast cap (3), vertically is provided with an overflow plate (7) between adjacent two air distribution plates (2), and the height of polylith overflow plate (7) successively decreases along the discharging direction that is fed to of fluid bed main body (1) successively.
2. staged differential fluidized bed cooler according to claim 1 is characterized in that: the difference in height (H1) between adjacent two air distribution plates (2) is 180～550mm.
3. staged differential fluidized bed cooler according to claim 1 and 2 is characterized in that: the difference in height (H2) between the blast cap (3) on adjacent two air distribution plates (2) is 200～500mm.
4. staged differential fluidized bed cooler according to claim 3 is characterized in that: the difference in height (H3) between the highest air distribution plate (2) and the minimum air distribution plate (2) is 400～4500mm.
5. according to claim 1,2 or 4 described staged differential fluidized bed coolers, it is characterized in that: the difference in height (H3) between the blast cap (3) on blast cap (3) on the highest air distribution plate (2) and the minimum air distribution plate (2) is 500～4000mm.
6. staged differential fluidized bed cooler according to claim 5 is characterized in that: said fluidized bed cooler also comprises a plurality of water-cooling walls (4), is equipped with water-cooling wall (4) except that being positioned at above the air distribution plate (2) the below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102678453A CN102435080A (en) | 2011-09-09 | 2011-09-09 | Stepped differential-velocity fluidized bed cooler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102678453A CN102435080A (en) | 2011-09-09 | 2011-09-09 | Stepped differential-velocity fluidized bed cooler |
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| CN102435080A true CN102435080A (en) | 2012-05-02 |
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| CN2011102678453A Pending CN102435080A (en) | 2011-09-09 | 2011-09-09 | Stepped differential-velocity fluidized bed cooler |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103466672A (en) * | 2013-07-04 | 2013-12-25 | 中国神华能源股份有限公司 | Crystallized aluminum chloride roasting system and method |
| CN103807853A (en) * | 2014-03-14 | 2014-05-21 | 哈尔滨工业大学 | Reciprocating grate-fluidized bed combined cooler |
| CN103868327A (en) * | 2014-01-01 | 2014-06-18 | 杨胜妹 | Multilayer fluidized bed |
| CN104101179A (en) * | 2013-04-10 | 2014-10-15 | 长沙通发高新技术开发有限公司 | Bubbling fluidized bed body structure capable of simultaneously realizing winnowing and drying |
| CN104197365A (en) * | 2014-09-11 | 2014-12-10 | 中南大学 | Preheating combustion air device for recovering waste heat of high-temperature slag in stepped mode |
| CN104359330A (en) * | 2014-10-29 | 2015-02-18 | 哈尔滨理工大学 | Multistage stepped type air water united differential fluidized bed cooler |
| CN104457290A (en) * | 2014-09-24 | 2015-03-25 | 株洲火炬工业炉有限责任公司 | Gradient recycling and heat utilization device for waste heat of kiln slag of zinc volatizing kiln |
| CN106477614A (en) * | 2016-09-30 | 2017-03-08 | 江苏海企技术工程股份有限公司 | A kind of method reducing anhydrous calcium chloride finished product temperature |
| CN112384294A (en) * | 2018-07-02 | 2021-02-19 | 奥图泰(芬兰)公司 | Apparatus and method for cooling fine particle solids |
| CN112577248A (en) * | 2020-11-24 | 2021-03-30 | 江门市美亚纺织材料有限公司 | Cooling apparatus for production textile auxiliary |
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| US3169380A (en) * | 1961-11-14 | 1965-02-16 | British Titan Products | Cooling of solids |
| CN1136661A (en) * | 1994-10-07 | 1996-11-27 | 巴布考克及威尔考克斯公司 | Gradation cooler for vertical fluidized-bed/un-fluidized-bed |
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2011
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US3169380A (en) * | 1961-11-14 | 1965-02-16 | British Titan Products | Cooling of solids |
| CN1136661A (en) * | 1994-10-07 | 1996-11-27 | 巴布考克及威尔考克斯公司 | Gradation cooler for vertical fluidized-bed/un-fluidized-bed |
| CN101762178A (en) * | 2008-10-29 | 2010-06-30 | 中国恩菲工程技术有限公司 | Fluidization cooler |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104101179A (en) * | 2013-04-10 | 2014-10-15 | 长沙通发高新技术开发有限公司 | Bubbling fluidized bed body structure capable of simultaneously realizing winnowing and drying |
| CN104101179B (en) * | 2013-04-10 | 2016-01-06 | 长沙通发高新技术开发有限公司 | Selection by winnowing and dry fluidizing fluid-bed bed structure can be carried out simultaneously |
| CN103466672B (en) * | 2013-07-04 | 2016-01-20 | 中国神华能源股份有限公司 | A kind of crystal aluminum chloride roasting system and method |
| CN103466672A (en) * | 2013-07-04 | 2013-12-25 | 中国神华能源股份有限公司 | Crystallized aluminum chloride roasting system and method |
| CN103868327A (en) * | 2014-01-01 | 2014-06-18 | 杨胜妹 | Multilayer fluidized bed |
| CN103807853A (en) * | 2014-03-14 | 2014-05-21 | 哈尔滨工业大学 | Reciprocating grate-fluidized bed combined cooler |
| CN103807853B (en) * | 2014-03-14 | 2016-03-30 | 哈尔滨工业大学 | Reciprocal grate-fluid bed associating cooler |
| CN104197365A (en) * | 2014-09-11 | 2014-12-10 | 中南大学 | Preheating combustion air device for recovering waste heat of high-temperature slag in stepped mode |
| CN104197365B (en) * | 2014-09-11 | 2016-08-03 | 中南大学 | High temperature sludge exhaust heat stepped recovery warm-up combustion-supporting air device |
| CN104457290A (en) * | 2014-09-24 | 2015-03-25 | 株洲火炬工业炉有限责任公司 | Gradient recycling and heat utilization device for waste heat of kiln slag of zinc volatizing kiln |
| CN104457290B (en) * | 2014-09-24 | 2016-01-06 | 株洲火炬工业炉有限责任公司 | The exhaust heat stepped recovery heat utilization device of Zinc volatilization kiln kiln slag |
| CN104359330A (en) * | 2014-10-29 | 2015-02-18 | 哈尔滨理工大学 | Multistage stepped type air water united differential fluidized bed cooler |
| CN106477614A (en) * | 2016-09-30 | 2017-03-08 | 江苏海企技术工程股份有限公司 | A kind of method reducing anhydrous calcium chloride finished product temperature |
| CN112384294A (en) * | 2018-07-02 | 2021-02-19 | 奥图泰(芬兰)公司 | Apparatus and method for cooling fine particle solids |
| CN112577248A (en) * | 2020-11-24 | 2021-03-30 | 江门市美亚纺织材料有限公司 | Cooling apparatus for production textile auxiliary |
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Application publication date: 20120502 |