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Hollow paddle dryer

     



    Overview:


    The wedge-shaped hollow paddles are densely arranged on the hollow shafts, and the thermal medium flows through the paddles via hollow shafts. The heat-transfer area is very large within unit effective volume, and the thermal mediums can be steam or liquid types like hot waterheat-conducting oiletc., and the temperature of thermal mediums is from -40to 320. Without taking away the heat while doing indirect conductive heating, all heat is used to heat materials. The only heat loss is the heat dissipation to the environment from the body insulating layer. The heat-transfer surfaces of wedge-shaped paddles have the self-cleaning function. The relative motion between materials’ granules and wedge-shaped surfaces generates the washing effects to wash away the attached materials on wedge-shaped surfaces to always keep heat-transfer surfaces clean during operation. The shell of paddle dryer is W form, and 2-4 hollow stirring shafts are generally arranged inside shell. There are closed-end lid and upper lid on shell in order to prevent dusts from escaping and collect solvent vapour. A baffle is set on the materials outlet to ensure the material-level height so that the heat-transfer area is covered by materials and becomes fully effective. The thermal mediums flow through the shell jacket and the hollow stirring shafts via the rotating joint. Based on the types of thermal mediums, the hollow stirring shafts have different internal structures to ensure the best heat-transfer effects. 





    Technical parameters

    Model

    KJG-2.7

    KJG-9

    KJG-13

    KJG-18

    KJG-24

    KJG-29

    KJG-36

    KJG-41

    Heat-transfer area(m2)

    2.7

    9

    13

    18

    24

    29

    36

    41

    Effective volume (m3)

    0.06

    0.32

    0.59

    1.09

    1.53

    1.85

    2.42

    2.8

    Revolution( r.p.m)

    15-30

    10-25

    10-25

    10-20

    10-20

    10-20

    10-20

    10-20

    power (kw)

    2.2

    4.0

    5.5

    7.5

    11

    11

    15

    15

    Width of dryer body (mm)

    306

    584

    762

    940

    1118

    1118

    1296

    1296

    Total width(mm)

    736

    841

    1066

    1320

    1474

    1474

    1676

    1676

    Length of dryer body(mm)

    1956

    2820

    3048

    3328

    3454

    4114

    4115

    4724

    Total length(mm)

    2972

    4876

    5486

    5918

    6147

    6808

    6960

    7570

    Distance between feeding and discharging(mm)

    1752

    2540

    2768

    3048

    3150

    3810

    3810

    4420

    Height in center(mm)

    380

    380

    534

    610

    762

    762

    915

    915

    Total height(mm)

    762

    838

    1092

    1270

    1524

    1524

    1778

    1778

    Steam inlet

    (2)3/4

    (2)3/4

    (2) 1

    (2) 1

    (2) 1

    (2) 1

    (2) 1

    (2) 1

    Water outlet

    (2)3/4

    (2)3/4

    (2) 1

    (2) 1

    (2) 1

    (2) 1

    (2) 1

    (2) 1


    Technical parameters

    Model

    KJG-48

    KJG-52

    KJG-62

    KJG-68

    KJG-73

    KJG-81

    KJG-87

    KJG-95

    KJG-110

    Heat-transfer area(m2)

    48

    52

    62

    68

    73

    81

    87

    95

    110

    Effective volume(m3)

    3.54

    3.96

    4.79

    5.21

    5.78

    6.43

    7.39

    8.07

    9.46

    Revolution(r.p.m)

    10-20

    10-20

    10-20

    10-20

    5-15

    5-15

    5-15

    5-15

    5-10

    Power(kw)

    30

    30

    45

    45

    55

    55

    75

    75

    95

    Width of dryer body(mm)

    1474

    1474

    1651

    1652

    1828

    1828

    2032

    2032

    2210

    Total width(mm)

    1854

    1854

    2134

    2134

    2286

    2286

    2438

    2438

    2668

    Length of body dryer(mm)

    4724

    5258

    5410

    5842

    5461

    6020

    5537

    6124

    6122

    Total length(mm)

    7772

    8306

    8865

    9296

    9119

    9678

    9119

    9704

    9880

    Distance between feeding and discharging(mm)

    4420

    4954

    4953

    5384

    5004

    5562

    5080

    5664

    5664

    Height in center(mm)

    1066

    1066

    1220

    1220

    1220

    1220

    1220

    1220

    1220

    Total height(mm)

    2032

    2032

    2362

    2362

    2464

    2464

    2566

    2566

    2668

    Steam inlet

    (2)11/2

    (2)11/2

    (2)11/2

    (2)11/2

    (2)11/2

    (2)11/2

    (2)2

    (2)2

    (2)2

    Steam outlet

    (2)11/2

    (2)11/2

    (2)11/2

    (2)11/2

    (2)11/2

    (2)11/2

    (2)2

    (2)2

    (2)2





        

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