Since 1975
Nearly 50 years manufacturing experiences
Nearly 50 years manufacturing experiences
In the process of Chlor-Alkali Company’s chlorine production, the chlorine discharged from the electrolytic cell not only has a high temperature, but also contains a lot of water. It must be cooled and dried before it can be used. There are direct and indirect cooling methods. Direct cooling by spraying water will not only form a large amount of chlorine Chlorine water, and it will pollute the environment, the loss of chlorine is large, the consumption of H2SO4 is large, and the working conditions are also poor; if the stainless steel indirect cooler is used to cool down, the service life is difficult to exceed 10 days, and the graphite cooler can only be used for about 90 days. Titanium is an excellent material for making coolers. It is extremely resistant to wet chlorine corrosion, and the corrosion rate is ≤0.0025mm/year. Therefore, the use of titanium coolers in the chlor-alkali industry can shorten the cooling and drying time, reduce the loss of chlorine, and reduce environmental pollution. Second, it can create necessary conditions for the stable operation of compressed gas and complete drying.
Titanium
Because titanium has excellent corrosion resistance in wet chlorine gas, chloride, and chlorine-containing solutions, pitting corrosion and stress corrosion will not occur, which is unmatched by ordinary stainless steel. It is the reason why it is widely used as a corrosion-resistant material for equipment in many industrial sectors in contact with chemicals, and it solves the common corrosion problem that has existed in Chlor-alkali plants for many years. Therefore, the Chlor-alkali industry is one of the departments with the most applications for titanium equipment. The main titanium equipment includes wet chlorine coolers, metal anodes of electrolytic cells, heating pipes for dechlorination towers, pumps and valves for vacuum dechlorination of chlorine-containing brackish water, etc.
Chlorine Gas Cooler
| Basis Data | SHELL SIDE | TUBE SIDE | SHELL SIDE | TUBE SIDE | |||
| DESIGN PRESS MPa | 0.4 | 0.1 | VESSEL CLASSIFICATION | outside the class | |||
| OPERATING PRESS MPa | 0.3 | 0.0035 | MEDIUM | COOLING H2O | CL2 GAS +H2O VAPOR | ||
| DESIGN TEMP ℃ | 50 | 80 | CHARACTERISTIC | / | HIGHLY HAZARD | ||
| OPERATING TEMP ℃ | INLET | 8 | 45 | WEIGHT
KG |
EMPTY | 1004 | |
| OUTLET | 12 | 12 | TA2/Gr2 | 430 | |||
| SPECIFICATION | DN600 δ=8
L=1922 |
Ø19*1.5
L=2000 |
MATERIALS | Q345R | GR2/TA2 | ||
| QTY | 1 | 439 | WEIGHT | 231 | 330 | ||
Composition of Titanium tube/ plate (Gr2)
| Materials | Ti % | Fe % | Si % | C % | N % | H % | O% |
| Titanium tube
Titanium plate |
Balance
Balance |
0.09
0.05-0.08 |
0.02
0.03-0.04 |
0.02
0.01-0.05 |
0.02
0.02-0.03 |
0.02
0.033-0.0037 |
0.12
0.09-0.15 |
Mechanical Property of Titanium tube/ plate (Gr2)
| Materials | Specification | Strength limited (g/cm²) | Elongation (%) | Delivery Status |
| Titanium tube
Titanium plate |
Ф19×1.5mm
s=22mm |
48-52
48.5-56.51 |
22.5-26
19.5-23.5 |
Annealed
Hot rolling |
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