CN104359330A - Multistage stepped type air water united differential fluidized bed cooler - Google Patents
Multistage stepped type air water united differential fluidized bed cooler Download PDFInfo
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- CN104359330A CN104359330A CN201410591062.4A CN201410591062A CN104359330A CN 104359330 A CN104359330 A CN 104359330A CN 201410591062 A CN201410591062 A CN 201410591062A CN 104359330 A CN104359330 A CN 104359330A
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Abstract
The invention relates to a multistage stepped type air water united differential fluidized bed cooler. The existing fluidized bed cooler has some problems that the discharging temperature is too high, and the cooling effect becomes worse as overheated quantity is increased and heat exchanging load is insufficient. The fluidized bed cooler disclosed by the invention comprises a box body, wherein a feeding opening (1) and a discharge opening (5) are formed in the box body, three stages of stepped type cooling bed layers are arranged in the box body, a cooling water pipe (3) is arranged at the position corresponding to each stage of the cooling bed layer, the adjacent cooling bed layers are segregated by overflow plates (4), wind distribution plates (2) are mounted at the bottoms of the cooling bed layers, and an air outlet (6) is formed in the upper part of the box body. The fluidized bed cooler disclosed by the invention is used for cooling particle materials.
Description
technical field:
the present invention relates to a kind of multi-stage stepwise air water based on fluid bed cooling technology associating differential fluidized bed cooler, adopt the mode of three grades of staged coolings, belong to cooler technical field.
background technology:
fluidized bed cooler adopts gas-solid fluidization technology to realize the cooling of granule materials, has that cooling effectiveness is high, result is simple, floor space is little, investment cost is low, stable operation, an advantage such as easy to maintenance, is therefore widely used in chemical industry, medicine.Food, light industry and Kuang Zhideng department obtain the cooling of granular material.But existing fluidized bed cooler also exists some problems, owing to crossing, heat increases, heat exchange load can cause drop temperature too high not, and cooling effect is deteriorated.
summary of the invention:
the object of this invention is to provide a kind of multi-stage stepwise air water associating differential fluidized bed cooler.
above-mentioned object is realized by following technical scheme:
a kind of multi-stage stepwise air water associating differential fluidized bed cooler, its composition comprises: casing, described casing has material inlet and discharge gate, there are in described casing three grades of staged cooling beds, the position of corresponding every cooling bed described in one-level is provided with cooling water pipe, adjacent described cooling bed is isolated by overflow plate, and be provided with air distribution plate bottom described cooling bed, the top of described casing is provided with exhaust outlet.
a differential fluidisation cooling means for described multi-stage stepwise air water associating differential fluidized bed cooler,
a. material enters the first order by material inlet and cools bed, and the air sent into by air distribution plate has carried out fluidisation to the particle in bed, thus completes first time air-cooled process;
b., in grain fluidized process, the cooling water pipe be arranged in bed carries out Cooling Process to adherent fluidized particles;
c. cooling bed in the second level is flowed into by the particle after first order cooling bed cool stream via overflow plate, identical with first order principle, particle cools in bed in the second level and realizes the cooling of second time air water associating fluidisation, then by overflow plate, particle is entered third level cooling bed;
d. particle completes third time air-cooled fluidisation cooling at third level cooling bed, and finally by discharge gate, cooled particle is discharged cooler, gas is then discharged by exhaust outlet.
the differential fluidisation cooling means of described multi-stage stepwise air water associating differential fluidized bed cooler, between three grades of cooling beds by height on earth in cascade arrangement, overflow plate is provided with between described bed, by overflow plate, the fluidized particles of upper level is imported next stage, different wind speed is adopted to carry out air cooling in three grades of cooling beds, wind speed is progressively increased progressively to the third level by first order bed, and the cooling bed interior employing air water of front two-stage combines cooling, and adopts air-cooled fluidisation to cool the third level.
beneficial effect:
the present invention has following outstanding advantages compared with existing fluidized bed cooler: adopt three grades of stageds to cool bed, the time of staying that particle is cooled increases greatly, particle can be fluidized in each bed, thus the air water completed in various degree combines cooling, makes cooling effectiveness greatly improve.
accompanying drawing illustrates:
accompanying drawing 1 is structural representation of the present invention.
detailed description of the invention:
embodiment 1:
a kind of multi-stage stepwise air water associating differential fluidized bed cooler, its composition comprises: casing, described casing has material inlet and discharge gate, there are in described casing three grades of staged cooling beds, the position of corresponding every cooling bed described in one-level is provided with cooling water pipe, adjacent described cooling bed is isolated by overflow plate, and be provided with air distribution plate bottom described cooling bed, the top of described casing is provided with exhaust outlet.
embodiment 2:
the differential fluidisation cooling means of above-mentioned multi-stage stepwise air water associating differential fluidized bed cooler, specific as follows:
a. material enters the first order by material inlet 1 and cools bed, and the air sent into by air distribution plate 2 has carried out fluidisation to the particle in bed, thus completes first time air-cooled process.
in grain fluidized process, the cooling water pipe 3 be arranged in bed has carried out Cooling Process to adherent fluidized particles.
second level cooling bed is flowed into via overflow plate 4 by the particle after first order cooling bed cool stream, similar with the first order, particle cools in bed in the second level and realizes the cooling of second time air water associating fluidisation, then by overflow plate 4, particle is entered third level cooling bed.
particle completes third time air-cooled fluidisation cooling at third level cooling bed, and finally by discharge gate 5, cooled particle is discharged cooler, gas is then discharged by exhaust outlet 6.
described cooler comprises three grades of cooling beds, adopts by height on earth in cascade arrangement.
cooler cooling bed inside of the present invention is that the mode adopting air water to combine cooling cools material.
overflow plate 4 is provided with between three grades, described cooler cooling bed.
adopt different wind speed to carry out air cooling in three grades, described cooler cooling bed, wind speed is progressively increased progressively to the third level by first order bed.
before described cooler, the cooling bed interior employing air water of two-stage combines cooling, and adopts air-cooled fluidisation to cool the third level.
embodiment 3:
the differential fluidisation cooling means of described multi-stage stepwise air water associating differential fluidized bed cooler, between three grades of cooling beds by height on earth in cascade arrangement, overflow plate is provided with between described bed, by overflow plate, the fluidized particles of upper level is imported next stage, different wind speed is adopted to carry out air cooling in three grades of cooling beds, wind speed is progressively increased progressively to the third level by first order bed, and the cooling bed interior employing air water of front two-stage combines cooling, and adopts air-cooled fluidisation to cool the third level.In order to solve the problems such as cooling effectiveness existing for existing fluidized bed cooler is low, and then propose a kind of staged air water associating differential fluidized bed cooler.The present invention includes three grades of cooling beds, adopt staged distribution from high to low, bed inside is that the mode adopting air water to combine cooling cools material, and three grades cool the wind speed that bed adopts and increased progressively step by step to the third level by the first order.Be provided with overflow plate between bed, the particle of fluidisation flows into next stage bed by overflow plate.
embodiment 4:
technological process and the operation principle of the differential fluidisation cooling means of described multi-stage stepwise air water associating differential fluidized bed cooler are as follows:
material enters the first order by material inlet and cools bed, and the air sent into by air distribution plate has carried out fluidisation to the particle in bed, thus completes first time air-cooled process.Meanwhile, in grain fluidized process, the cooling water pipe be arranged in bed has carried out first time Cooling Process to adherent fluidized particles.Flowed out via overflow plate by the particle after first order cooling bed cool stream, thus complete first order air water associating cooling procedure.
the particle of being discharged by first order bed flows into second level bed via overflow plate, the wind that particle is sent into by second level air distribution plate in second level cooling bed and cooling water pipe realize the cooling of second level air water associating fluidisation, then by overflow plate, particle are entered the third level and cool bed.
the wind that particle is sent into by third level air distribution plate in third level cooling bed completes the air-cooled fluidisation cooling of the third level, finally by discharge gate, cooled particle is discharged cooler.This completes all processes of whole three grades of coolings.
Claims (3)
1. a multi-stage stepwise air water associating differential fluidized bed cooler, its composition comprises: casing, it is characterized in that: described casing has material inlet and discharge gate, there are in described casing three grades of staged cooling beds, the position of corresponding every cooling bed described in one-level is provided with cooling water pipe, adjacent described cooling bed is isolated by overflow plate, and be provided with air distribution plate bottom described cooling bed, the top of described casing is provided with exhaust outlet.
2. a differential fluidisation cooling means for multi-stage stepwise air water associating differential fluidized bed cooler according to claim 1, is characterized in that:
A. material enters the first order by material inlet and cools bed, and the air sent into by air distribution plate has carried out fluidisation to the particle in bed, thus completes first time air-cooled process;
B., in grain fluidized process, the cooling water pipe be arranged in bed carries out Cooling Process to adherent fluidized particles;
C. cooling bed in the second level is flowed into by the particle after first order cooling bed cool stream via overflow plate, identical with first order principle, particle cools in bed in the second level and realizes the cooling of second time air water associating fluidisation, then by overflow plate, particle is entered third level cooling bed;
D. particle completes third time air-cooled fluidisation cooling at third level cooling bed, and finally by discharge gate, cooled particle is discharged cooler, gas is then discharged by exhaust outlet.
3. the differential fluidisation cooling means of multi-stage stepwise air water associating differential fluidized bed cooler according to claim 2, it is characterized in that: between three grades of cooling beds by height on earth in cascade arrangement, overflow plate is provided with between described bed, by overflow plate, the fluidized particles of upper level is imported next stage, different wind speed is adopted to carry out air cooling in three grades of cooling beds, wind speed is progressively increased progressively to the third level by first order bed, the cooling bed interior employing air water of front two-stage combines cooling, and adopts air-cooled fluidisation to cool the third level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410591062.4A CN104359330A (en) | 2014-10-29 | 2014-10-29 | Multistage stepped type air water united differential fluidized bed cooler |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410591062.4A CN104359330A (en) | 2014-10-29 | 2014-10-29 | Multistage stepped type air water united differential fluidized bed cooler |
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| CN104359330A true CN104359330A (en) | 2015-02-18 |
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| CN201410591062.4A Pending CN104359330A (en) | 2014-10-29 | 2014-10-29 | Multistage stepped type air water united differential fluidized bed cooler |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109556426A (en) * | 2018-11-13 | 2019-04-02 | 西安古都放心早餐工程有限公司 | Soya-bean milk cooling bay water circulation system |
| CN112384294A (en) * | 2018-07-02 | 2021-02-19 | 奥图泰(芬兰)公司 | Apparatus and method for cooling fine particle solids |
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| CN102435080A (en) * | 2011-09-09 | 2012-05-02 | 哈尔滨工业大学 | Stepped differential-velocity fluidized bed cooler |
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| JPS5932788A (en) * | 1982-08-17 | 1984-02-22 | Kawasaki Heavy Ind Ltd | Cooling device of particulate material |
| CN1587806A (en) * | 2004-07-02 | 2005-03-02 | 清华大学 | Wind and water combined fluidized bed slag cooler |
| CN2872107Y (en) * | 2006-02-28 | 2007-02-21 | 张全胜 | Oriented air-blowing slag cooler of step bed of water-cooling wall |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112384294A (en) * | 2018-07-02 | 2021-02-19 | 奥图泰(芬兰)公司 | Apparatus and method for cooling fine particle solids |
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| CN109556426A (en) * | 2018-11-13 | 2019-04-02 | 西安古都放心早餐工程有限公司 | Soya-bean milk cooling bay water circulation system |
| CN109556426B (en) * | 2018-11-13 | 2020-06-02 | 西安古都放心早餐工程有限公司 | Water circulation system of soybean milk cooling tank |
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Application publication date: 20150218 |