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  PLASTIC RANDOM PACKING

PLASTIC RANDOM PACKING         The plastic random packing is made of standing up to chemical corrosion materials,such as: polyethylene(PE), polypropylene (PP), reinforced polypropylene(RPP),polyvinyl chloride(PVC),chloridized polyvinyl chloride(CPVC) and polyvinylidene fluoride(PVDF).It has features such as: high void ratio,low pressure drop,sufficient gas-liquid contact,small specific weight,high mass transfering efficiency and so on.The operation temperature is 60-150°C.It is widely used in petroleum,chemical,alkali-chloride,coal gas and environmental protection,etc.
        

Conjugate ring
Pall ring
Conjugate ring
Pall ring
Cascade ring
Heilex
Cascade ring
Heilex
floating balls
Polyhedral hollow balls
floating balls
Polyhedral hollow balls

Name
size
DxHx6
mm
High mm
specific surface area α
m2/m3
void fraction
ε m3/m3
Number per volume
n n/m3
Bulk density
γp kg/m3
Branch thicknss
Branch number
Cascade ring
16×8.9×1.0
370
0.85
299136
135.6
50×25×1.5
114.2
0.927
10740
49.2
76×38×2.6
90
0.929
3420
63.5
Pall ring
25×25×1.2
175
0.90
53500
91
38×38×1.4
115
0.89
15800
71
76×76×2.6
73.2
0.92
1927
60
Conjugate ring
25×1.2
185
0.95
74000
96.1
50×1.5
85
0.96
9000
83
76×2.6
81
0.95
3980
84
Uramic intalox saddle

76×38×0.6

200
0.97
3700
59.2
50×25×1.5
250
0.96
9400
75.2
38×19×1.2
265
0.95
25200
91.2
25×12.5×1.2
288
0.847
97680
102
Heilex
50×1.5
100
0.93
8840
70
76×2.5
55
0.94
3180
56
Polyhedral hollow balls
50
237
90
11500
91
38
286
115
25000
70
25
118
47
64000
100
floating balls
25×1
200
0.40
41500
125
38×1.2
158
0.40
22000
105
50×1.5
120
0.40
10480
83
Teller rosetter
25
9
195
0.82
170000
90
1.5×2
5
47
19
185
0.88
32500
111
3×3
9
51
19
180
0.89
25000
103
3×3
9
59
19
150
0.92
17500
72
3×3
12
73
27.5
127
0.89
8000
80
3×4
12


       Plastic structured packing has advantage such as light weight,large capacity.low pressure drop,large specific surface,easily exchanging made of wire knitting net,the wire is a admixture of pp and polyacrylonitrile,The plastic corrugated platepacking is made of pp or PVDF plate, which can be perforated to increase the mass transferring efficiency.

       Geometric characteristic data of plastic wire gauze packing

Size mm
Material
Wire mesh /mesh
Peak heiht
mm
Obliguity
specific surface area
m2/m3
void fraction
m3/m3
Density kg/m3
500 Model
pp/polyacryionitrile
40
6.3
30°
450
0.85
120
624 Model
pp/Nylon
40
4.5
45°
624
0.96
450 Model
pp/Nylon
40
6.2
30°
450
0.97

Model
piece/m2
Specific surface
m2/m3
void fraction
m3/m3
p per plate
MPa/m
Bulk density
kg/m3
Max F factor m/s(Kg/m3)0.5
3m/m2.hr
SB-125Y
1-2
125
0.985
2×10-4
37.5
3
0.20-100
SB-250Y
2-2.5
250
0.97
3×10-4
75
2.6
0.20-100
SB-350Y
3.5-4
350
0.95
2×10-4
105
2.0
0.20-100
SB-500Y
4-4.5
500
0.93
3×10-4
150
1.8
0.20-100
SB-125X
0.8-0.9
125
0.985
1.4×10-4
37.5
3.5
0.20-100
SB-250X
1.5-2
250
0.97
1.8×10-4
75
2.8
0.20-100
SB-350
2.3-2.8
350
0.958
1.3×10-4
105
2.2
0.20-100
SB-500Y
2.8-3.2
500
0.93
1.8×10-4
150
2.0
0.20-100

 

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