Abstract
The corrosion resistance of titanium in sea water is extremely excellent, but titanium tubes are expensive, and the copper alloy tubes resistant in polluted sea water were developed, therefore they were not used practically. In 1970, ammonia attack was found on the copper alloy tubes in the air-cooled portion of condensers, and titanium tubes have been used as the countermeasure. As the result of the use, the galvanic attack on copper alloy tube plates with titanium tubes as cathode and the hydrogen absorption at titanium tube ends owing to excess electrolytic protection was observed, but the corrosion resistance of titanium tubes was perfect. These problems can be controlled by the application of proper electrolytic protection. The condensers with all titanium tubes adopted recently in USA are intended to realize perfectly no-leak condensers as the countermeasure to the corrosion in steam generators of PWR plants. Regarding large condensers of nowadays, three problems are pointed out, namely the vibration of condenser tubes, the method of joining tubes and tube plates, and the tubes of no coolant leak. These three problems in case of titanium tubes were studied, and the problem of the fouling of tubes was also examined. The intervals of supporting
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Sato, S;
Sugiyama, S;
Nagata, K;
Nanba, K;
Shimono, M
[1]
- Sumitomo Light Metal Industries Ltd., Tokyo (Japan)
Citation Formats
Sato, S, Sugiyama, S, Nagata, K, Nanba, K, and Shimono, M.
Titanium condenser tubes. Problems and their solution for wider application to large surface condensers. [PWR].
Japan: N. p.,
1977.
Web.
Sato, S, Sugiyama, S, Nagata, K, Nanba, K, & Shimono, M.
Titanium condenser tubes. Problems and their solution for wider application to large surface condensers. [PWR].
Japan.
Sato, S, Sugiyama, S, Nagata, K, Nanba, K, and Shimono, M.
1977.
"Titanium condenser tubes. Problems and their solution for wider application to large surface condensers. [PWR]."
Japan.
@misc{etde_6875367,
title = {Titanium condenser tubes. Problems and their solution for wider application to large surface condensers. [PWR]}
author = {Sato, S, Sugiyama, S, Nagata, K, Nanba, K, and Shimono, M}
abstractNote = {The corrosion resistance of titanium in sea water is extremely excellent, but titanium tubes are expensive, and the copper alloy tubes resistant in polluted sea water were developed, therefore they were not used practically. In 1970, ammonia attack was found on the copper alloy tubes in the air-cooled portion of condensers, and titanium tubes have been used as the countermeasure. As the result of the use, the galvanic attack on copper alloy tube plates with titanium tubes as cathode and the hydrogen absorption at titanium tube ends owing to excess electrolytic protection was observed, but the corrosion resistance of titanium tubes was perfect. These problems can be controlled by the application of proper electrolytic protection. The condensers with all titanium tubes adopted recently in USA are intended to realize perfectly no-leak condensers as the countermeasure to the corrosion in steam generators of PWR plants. Regarding large condensers of nowadays, three problems are pointed out, namely the vibration of condenser tubes, the method of joining tubes and tube plates, and the tubes of no coolant leak. These three problems in case of titanium tubes were studied, and the problem of the fouling of tubes was also examined. The intervals of supporting plates for titanium tubes should be narrowed. The joining of titanium tubes and titanium tube plates by welding is feasible and promising. The cleaning with sponge balls is effective to control fouling.}
journal = []
volume = {28:6}
journal type = {AC}
place = {Japan}
year = {1977}
month = {Jun}
}
title = {Titanium condenser tubes. Problems and their solution for wider application to large surface condensers. [PWR]}
author = {Sato, S, Sugiyama, S, Nagata, K, Nanba, K, and Shimono, M}
abstractNote = {The corrosion resistance of titanium in sea water is extremely excellent, but titanium tubes are expensive, and the copper alloy tubes resistant in polluted sea water were developed, therefore they were not used practically. In 1970, ammonia attack was found on the copper alloy tubes in the air-cooled portion of condensers, and titanium tubes have been used as the countermeasure. As the result of the use, the galvanic attack on copper alloy tube plates with titanium tubes as cathode and the hydrogen absorption at titanium tube ends owing to excess electrolytic protection was observed, but the corrosion resistance of titanium tubes was perfect. These problems can be controlled by the application of proper electrolytic protection. The condensers with all titanium tubes adopted recently in USA are intended to realize perfectly no-leak condensers as the countermeasure to the corrosion in steam generators of PWR plants. Regarding large condensers of nowadays, three problems are pointed out, namely the vibration of condenser tubes, the method of joining tubes and tube plates, and the tubes of no coolant leak. These three problems in case of titanium tubes were studied, and the problem of the fouling of tubes was also examined. The intervals of supporting plates for titanium tubes should be narrowed. The joining of titanium tubes and titanium tube plates by welding is feasible and promising. The cleaning with sponge balls is effective to control fouling.}
journal = []
volume = {28:6}
journal type = {AC}
place = {Japan}
year = {1977}
month = {Jun}
}