GLASS LINED TOWER
Design Standards: ANSI 150#,GB
Design Standards: ANSI 150#,GB
Design Standards: ANSI 150#,GB
Process | Parameters | Critical Controls |
Section Forming | Segmented rolling (D≤2000mm) | Straightness≤1‰H, roundness≤0.5% D |
Enameling | Wet electrostatic spray (Zr-doped) | Ground coat: 0.3±0.05mm, Total cover coat: 1.2~2.0mm |
Firing | Step heating (850℃±10℃, 30min hold) | Temp uniformity ±5℃, cooling rate ≤60℃/h |
Internals | Glass-coated support ring + PTFE seal | Levelness≤0.5mm/m, vapor path deviation≤2° |
Component | Design Standard | Technical Features |
Column Shell | Flanged sections (DN800~DN2000) | Single section ≤4m, flange flatness≤0.1mm |
Internals | Structured packing (CY700) + distributor | Theoretical stages 8~12/m, holdup≤15% |
Expansion Joint | Bellows (EJMA Std.) | Axial compensation ±10mm, temp rating 200℃ |
Insulation | Alumina-silica blanket + SS304 cladding | Heat loss ≤100W/m² (ΔT=100℃) |
Test | Standard | Acceptance Criteria |
Enamel Integrity | Spark test @20kV/mm | No breakdown (ISO 2743) |
Verticality | Laser alignment | ≤1‰ column height |
Thermal Shock | ΔT=110℃ water quench | 3 cycles no cracking |
Separation Efficiency | Ethanol-water test | Methanol recovery ≥98% (90% feed) |
Advantage | Performance Data |
Full Corrosion Resistance | Resists 98% H₂SO₄, 37% HCl, organic acid vapors |
High Efficiency | HETP≤300mm (CY700 packing) |
Anti-fouling | Large-hole distributor (open area≥25%) |
Energy Saving | 30% lower energy vs. metal columns (acidic) |
Diameter (mm) | Theoretical Stages | Pressure (MPa) | Material |
DN800 | 20~25 | -0.1~0.25 | Enamel + Q245R Body+Q235B Jacket |
DN1200 | 30~40 | -0.1~0.4 | Enamel + Q245R Body+Q235B Jacket |
DN1600 | 50~60 | -0.1~0.15 | Enamel + Q245R Body+Q235B Jacket |
DN2000 | 50~60 | -0.1~0.15 | Enamel + Q245R Body+Q235B Jacket |