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  • PLG系列盘式连续干燥机

    作者:admin 来源:未知 浏览次数: 日期:2018-06-21 12:46


    【工作原理】
            湿物料自加料器连续地加到干燥器上部第一层干燥盘上,带有耙叶的耙臂作回转运动,使耙臂连续地翻抄物料。物料沿指数螺旋线流过干燥盘表面,在小干燥盘上的物料被移送到外缘,在大干盘上的物料向里移动并从中间落料口落入下一层小干燥盘中。大小干燥盘上下交替排列,物科碍以连续地流过整个干燥器。中空的干燥盘内通入加热介质,加热介质形式有饱和蒸汽、热水和导热油,加热介质由干燥盘的一端进入,从另一端导出,已干物料丛最后一层干燥盘落到壳体的底层,最后被耙叶移送到出料口排出。湿汽从物料溢出.由设在顶盖上的排湿口排出,真空型盘式干燥器的湿汽由设在顶盖上的真空泵口抽出。从底层排出的干物料可直接包装。通过配加翅片加热器、溶剂回收冷凝器、袋式除尘器、干料返混机构、引风机等辅机,可提高其干燥的生产能力,干燥膏糊状和热敏性物料,可方便地回收溶剂,并能进行热解和反应操作。

    Wet materials are fed continuously to the first dry:nglayer on the top of the dryer They will be turned and stirred by rakes when the rake arm rotates and drop down to the outer edge of the large drying plate alongthe exponential helical line.On the small drying plate they will be
    moved to its outer edge and drop down to the outer edge of the large drying plate underneath. and will be moved inward and drop down from its central hole to the small drying plate on the next layer Both small and large drying plates are arranged alternately so as materials can go
    through the whole dryer continuously The heating media. Which could be informs of saturatea steam. hot water or heat conducting oil will be led into hollow drying plates fromone end to the other end of the aryer. The dried materials will drop from the last layer of the drying plate to
    the bottom layer of the shell body. and will be moved by rakes to the dischargeport. The moisture escapes from materials and wil be removed trom the moist discharge port on the top cover. or sucked out by thevacuum pump on the top cover for vacuum-type plate dryer The dried
    materials discharged from the bottom layer can be packed directly. The drying capability can be raised up if equipped with supplementary devices such as finned heater. condenser for solvent retrieval. bag dust remover. return and mix mechanism for dried materials and drawing
    fan etc Solvent in those dried paste and heatsensitive materials can be easily retrieved. and thermal decomosition and reaction can be also carried out.
     
    【特点】
    一)干燥盘
    1.设计压力—般为0.4MPa,最大可达l .6MPa。
    2.最高使用压力:—般≤0.4MPa,最高可达1 .6MPa。
    3.加热介质:蒸汽、热水、导热油、干燥盘温度100℃时使用热水加热。100℃-150℃日时用≤0.4MPa饱和水蒸汽
    或者过热蒸汽加热。150℃- 320℃时用导热油加热。
    二)物料传送系统
    1主轴转速:1-10转分,电磁或变频无极调速。
    2耙臂:每层干燥盘上有2~8支固定在主轴上的耙臂。
    3耙叶:绞接在耙臂上,能随盘面上下浮动保持接触,有多种形式。
    4碾滚:对易结块和需要粉碎的物料,在适当位置配加碾滚,可以强化传热和干燥过程。
    三)壳体
    有常压、密闭、真空三种型式
    1常压型:圆筒或八棱柱型,有整体和对开两种结构。加热介质进出口主管道可以在壳体内,也可以在壳体外。
    2密闭型:圆筒型壳体,能承受5Kpa内压,加热介质进出口主管道可以在壳体内,也可以在壳体外。
    3真空型:圆筒型壳体,设计压力为-0.096Mpa,加热介质进出口主管道在壳体内。
    四)空气加热器
    —般在配置引风机时使用,以防潮湿的空气进入主机影响干燥效果。
    1.Drying plate
    (1)Designing pressure: general is 0.4MPa. Max can reach 1.6Mpa
    (2)Work pressure: general is less then 0.4Mpa. and Max can reach 1.6Mpa.
    (3)Heating medium: steam. hot water, oil. When the drying platestemperature is 100℃. hot water can be used; when lOO℃-150℃. it will be
    saturated water steam <0.4Mpa or steam-gas, and when 150℃ - 320℃.it will be oil.
    2.Material transmission system
    (1)Main shaft revoluton:l-10 rpm, electromagnetism or frequency stepless speed requlating.
    (2)Harrow arm: There are 2 t0 8 pieces arm that be fixed on the main shaft on each layer.
    (3)Harrow's blade: Spliced on the harrow arms, float together with the surface of the plate to keep contact. There're various of types.
    (4)Roller: for the products easily agglomerate. or with therequirements of grinding, the heat transfer and drying process mightbe reinforced by
    placing roller(s) at the appropriate place(s).
    3. Shell
    There're three types for option: normal pressure, sealed and vacuum
    (1)Normal pressure: Cylindrical shell or eight prismatic type, with wholebody and split structure. The main pipes of inlets and outlets of heating
    medium can be inside the shell, or outside the shell.
    (2)Sealed: Cylindrical shell, could bear the interior pressure of 5KPa,the main ducts of the inlet and outlet of heating media might beinside of
    the shell or outside.
    (3)Vacuum: Cylindrical shell, could bear the exterior pressure of -0.096M Pa. The main ducts of inlet and outlet is inside of the shell.
    4. Air heater:
    Normal used with the application of draff fan, incase the wet air enters,to increase drying efficiency.


    【技术参数】
    规格
    Type
    外径
    Diamter
    (mm)
    高度
    High
    (mm)
    干燥面积
    Area of dry
    (m )
    功率
    Power
    (Kw)
    1200/4
    1850
    2608
    3.3
    1.1
    1200/6
    3028
    4.9
    1200/8
    3448
    6.6
    1.5
    1200/10
    3868
    8.2
    1200/12
    4288
    9.9
    1500/6
    2100
    3022
    8
    2.2
    1500/8
    3442
    10.7
    1500/10
    3682
    13.4
    1500/12
    4282
    16.1
    3
    1500/14
    4702
    18.8
    1500/16
    5122
    21.5
    2200/6
    2900
    3262
    18.5
    3
    2200/8
    3682
    24.6
    2200/10
    4102
    30.8
    2200/12
    4522
    36.9
    4
    2200/14
    4942
    43.1
    2200/16
    5362
    49.3
    5.5
    2200/18
    5782
    55.4
    2200/20
    6202
    61.6
    2200/22
    6622
    67.7
    7.5
    2200/24
    7042
    73.9
    2200/26
    7462
    80
    3000/8
    3800
    4050
    48
    11
    3000/10
    4650
    60
    3000/12
    5250
    72
    3000/14
    5850
    84
    3000/16
    6450
    96
    3000/18
    7050
    108
    3000/20
    7650
    120
    13
    3000/22
    8250
    132
    3000/24
    8850
    144
    3000/26
    9450
    156
    3000/28
    10050
    168
    15
    3000/30
    10650
    180

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