CN1506497A - 浓硫酸输送管道的恒压阳极保护方法 - Google Patents
浓硫酸输送管道的恒压阳极保护方法 Download PDFInfo
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- CN1506497A CN1506497A CNA02154414XA CN02154414A CN1506497A CN 1506497 A CN1506497 A CN 1506497A CN A02154414X A CNA02154414X A CN A02154414XA CN 02154414 A CN02154414 A CN 02154414A CN 1506497 A CN1506497 A CN 1506497A
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- vitriol oil
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Abstract
Description
材质 | 浓度(%) | 温度(℃) | 致钝电流密度(A/m2) | 维钝电流密度(A/m2) | 钝化区间(mV) | 腐蚀率(mm/a) | |
自然 | 保护 | ||||||
304L | 93 | 25 | 0.45 | 0.030 | - | - | - |
50 | 5.66 | 0.046 | - | - | - | ||
80 | 9.72 | 0.124 | - | 2.00 | <0.10 | ||
98 | 25 | 2.30 | 0.033 | -400~+1000 | - | - | |
50 | 2.51 | 0.049 | -200~+900 | - | - | ||
80 | 4.92 | 0.133 | -200~+700 | 0.60 | <0.05 | ||
316L | 93 | 25 | 1.00 | 0.032 | - | - | - |
50 | 1.30 | 0.041 | - | - | - | ||
80 | 5.45 | 0.160 | - | 1.20 | <0.10 | ||
98 | 25 | 自钝化 | 0.014 | -200~+1000 | - | - | |
50 | 0.16 | 0.019 | -200~+800 | - | - | ||
80 | 0.23 | 0.064 | -200~+600 | 0.30 | <0.02 | ||
100 | 0.20 | 0.365 | - | - | - | ||
120 | 6.80 | 1.14 | - | - | - |
材质 | 浓度 | 保护电位范围(mV) | 控制指标E槽压(mV) |
304L | 93% | -200~600 | 200~1100 |
316L | 98% | -300~700 | 100~1200 |
管径(mm) | ≤300 | 300~500 | ≥500 | |
间距(m) | 93%H2SO4 | 2~3 | 2~4 | 3~5 |
98%H2SO4 | 2~4 | 2~4 | 3~5 |
Claims (5)
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CN 02154414 CN1212427C (zh) | 2002-12-10 | 2002-12-10 | 浓硫酸输送管道的恒压阳极保护方法 |
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CN 02154414 CN1212427C (zh) | 2002-12-10 | 2002-12-10 | 浓硫酸输送管道的恒压阳极保护方法 |
Publications (2)
Publication Number | Publication Date |
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CN1506497A true CN1506497A (zh) | 2004-06-23 |
CN1212427C CN1212427C (zh) | 2005-07-27 |
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CN 02154414 Expired - Fee Related CN1212427C (zh) | 2002-12-10 | 2002-12-10 | 浓硫酸输送管道的恒压阳极保护方法 |
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CN (1) | CN1212427C (zh) |
Cited By (5)
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CN102011126A (zh) * | 2009-12-11 | 2011-04-13 | 天华化工机械及自动化研究设计院 | 阳极保护浓硫酸槽 |
CN106990742A (zh) * | 2017-06-02 | 2017-07-28 | 天津隆顺技术服务有限公司 | 反电位法防腐保护联动控制装置和系统 |
CN108441709A (zh) * | 2018-05-09 | 2018-08-24 | 天华化工机械及自动化研究设计院有限公司 | 含铬镍合金立式浓硫酸冷却器在低温位余热回收装置及其组成的发电系统中的用途 |
CN109668455A (zh) * | 2017-10-13 | 2019-04-23 | 天华化工机械及自动化研究设计院有限公司 | 含钼合金在浓硫酸设备中的用途 |
CN110241426A (zh) * | 2019-06-14 | 2019-09-17 | 南京高源环保工程有限公司 | 一种阳极保护氨水管道的方法及装置 |
Families Citing this family (11)
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KR100631243B1 (ko) | 2002-06-21 | 2006-10-02 | 엘지전자 주식회사 | 비디오 데이터의 재생을 관리하기 위한 데이터 구조를갖는 기록 매체 |
WO2004001748A1 (en) | 2002-06-21 | 2003-12-31 | Lg Electronics Inc. | Recording medium having data structure for managing reproduction of video data recorded thereon |
AU2003241203B2 (en) | 2002-06-24 | 2009-08-20 | Lg Electronics Inc. | Recording medium having data structure for managing reproduction of multiple reproduction path video data recorded thereon and recording and reproducing methods and apparatuses |
KR20040000290A (ko) | 2002-06-24 | 2004-01-03 | 엘지전자 주식회사 | 고밀도 광디스크의 멀티 경로 데이터 스트림 관리방법 |
US7783159B2 (en) | 2002-06-24 | 2010-08-24 | Lg Electronics Inc. | Recording medium having data structure for managing reproduction of multiple reproduction path video data for at least a segment of a title recorded thereon and recording and reproducing methods and apparatuses |
CN100479050C (zh) | 2002-10-14 | 2009-04-15 | Lg电子有限公司 | 具有管理多路音频流重现的数据结构的记录介质及记录和重现的方法和装置 |
CA2469178C (en) | 2002-10-15 | 2009-09-01 | Lg Electronics Inc. | Recording medium having data structure for managing reproduction of multiple graphics streams recorded thereon and recording and reproducing methods and apparatuses |
US7693394B2 (en) | 2003-02-26 | 2010-04-06 | Lg Electronics Inc. | Recording medium having data structure for managing reproduction of data streams recorded thereon and recording and reproducing methods and apparatuses |
US7809775B2 (en) | 2003-02-27 | 2010-10-05 | Lg Electronics, Inc. | Recording medium having data structure for managing playback control recorded thereon and recording and reproducing methods and apparatuses |
EP1604356A4 (en) | 2003-02-28 | 2009-12-16 | Lg Electronics Inc | RECORD MEDIUM WITH A DATA STRUCTURE FOR MANAGING THE RANDOM / SHUFFLE PLAYBACK OF RECORDED VIDEO DATA, AND METHOD AND DEVICES FOR RECORDING AND PLAYING |
US7620301B2 (en) | 2003-04-04 | 2009-11-17 | Lg Electronics Inc. | System and method for resuming playback |
-
2002
- 2002-12-10 CN CN 02154414 patent/CN1212427C/zh not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102011126A (zh) * | 2009-12-11 | 2011-04-13 | 天华化工机械及自动化研究设计院 | 阳极保护浓硫酸槽 |
CN106990742A (zh) * | 2017-06-02 | 2017-07-28 | 天津隆顺技术服务有限公司 | 反电位法防腐保护联动控制装置和系统 |
CN109668455A (zh) * | 2017-10-13 | 2019-04-23 | 天华化工机械及自动化研究设计院有限公司 | 含钼合金在浓硫酸设备中的用途 |
CN108441709A (zh) * | 2018-05-09 | 2018-08-24 | 天华化工机械及自动化研究设计院有限公司 | 含铬镍合金立式浓硫酸冷却器在低温位余热回收装置及其组成的发电系统中的用途 |
CN110241426A (zh) * | 2019-06-14 | 2019-09-17 | 南京高源环保工程有限公司 | 一种阳极保护氨水管道的方法及装置 |
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Publication number | Publication date |
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CN1212427C (zh) | 2005-07-27 |
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Address after: 730060 Gansu city of Lanzhou province Xigu District Heshui Road No. 3 Patentee after: Tianhua Institute of Chemical Machinery & Automation Co., Ltd. Address before: 730060 Gansu city of Lanzhou province Xigu District Heshui Road No. 3 Patentee before: Tianhua Chemical Machinery & Automation Research Inst. |
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Granted publication date: 20050727 Termination date: 20161210 |