JP2010236034A - 休止中のボイラの防食方法、及び休止中のボイラ用の防食剤 - Google Patents
休止中のボイラの防食方法、及び休止中のボイラ用の防食剤 Download PDFInfo
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- JP2010236034A JP2010236034A JP2009086026A JP2009086026A JP2010236034A JP 2010236034 A JP2010236034 A JP 2010236034A JP 2009086026 A JP2009086026 A JP 2009086026A JP 2009086026 A JP2009086026 A JP 2009086026A JP 2010236034 A JP2010236034 A JP 2010236034A
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- boiler
- methoxypropylamine
- water
- anticorrosive
- solution containing
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- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000005536 corrosion prevention Methods 0.000 title abstract 3
- FAXDZWQIWUSWJH-UHFFFAOYSA-N 3-methoxypropan-1-amine Chemical compound COCCCN FAXDZWQIWUSWJH-UHFFFAOYSA-N 0.000 claims abstract description 66
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 46
- 238000005260 corrosion Methods 0.000 claims description 19
- 230000000284 resting effect Effects 0.000 claims description 15
- 239000002904 solvent Substances 0.000 claims description 11
- 230000007797 corrosion Effects 0.000 claims description 10
- 239000008234 soft water Substances 0.000 claims description 4
- 150000001412 amines Chemical class 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 16
- 238000004065 wastewater treatment Methods 0.000 abstract description 12
- 241000195493 Cryptophyta Species 0.000 abstract description 7
- 230000002159 abnormal effect Effects 0.000 abstract description 7
- 238000012851 eutrophication Methods 0.000 abstract description 6
- 230000001747 exhibiting effect Effects 0.000 abstract 1
- 230000001939 inductive effect Effects 0.000 abstract 1
- 230000035755 proliferation Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 38
- PAFZNILMFXTMIY-UHFFFAOYSA-N cyclohexylamine Chemical compound NC1CCCCC1 PAFZNILMFXTMIY-UHFFFAOYSA-N 0.000 description 20
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 14
- 239000007864 aqueous solution Substances 0.000 description 14
- 239000003795 chemical substances by application Substances 0.000 description 14
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 12
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 description 10
- 239000000126 substance Substances 0.000 description 8
- HXKKHQJGJAFBHI-UHFFFAOYSA-N 1-aminopropan-2-ol Chemical compound CC(O)CN HXKKHQJGJAFBHI-UHFFFAOYSA-N 0.000 description 7
- BFSVOASYOCHEOV-UHFFFAOYSA-N 2-diethylaminoethanol Chemical compound CCN(CC)CCO BFSVOASYOCHEOV-UHFFFAOYSA-N 0.000 description 7
- 230000003472 neutralizing effect Effects 0.000 description 7
- 229940058020 2-amino-2-methyl-1-propanol Drugs 0.000 description 6
- CBTVGIZVANVGBH-UHFFFAOYSA-N aminomethyl propanol Chemical compound CC(C)(N)CO CBTVGIZVANVGBH-UHFFFAOYSA-N 0.000 description 6
- 239000002274 desiccant Substances 0.000 description 6
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 239000003960 organic solvent Substances 0.000 description 5
- 230000001771 impaired effect Effects 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 230000002939 deleterious effect Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- RJWLLQWLBMJCFD-UHFFFAOYSA-N 4-methylpiperazin-1-amine Chemical compound CN1CCN(N)CC1 RJWLLQWLBMJCFD-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 229920001174 Diethylhydroxylamine Polymers 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000003635 deoxygenating effect Effects 0.000 description 2
- FVCOIAYSJZGECG-UHFFFAOYSA-N diethylhydroxylamine Chemical group CCN(O)CC FVCOIAYSJZGECG-UHFFFAOYSA-N 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical compound CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 description 2
- SBMSLRMNBSMKQC-UHFFFAOYSA-N pyrrolidin-1-amine Chemical compound NN1CCCC1 SBMSLRMNBSMKQC-UHFFFAOYSA-N 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- FRDAATYAJDYRNW-UHFFFAOYSA-N 3-methyl-3-pentanol Chemical compound CCC(C)(O)CC FRDAATYAJDYRNW-UHFFFAOYSA-N 0.000 description 1
- 238000010953 Ames test Methods 0.000 description 1
- 231100000039 Ames test Toxicity 0.000 description 1
- 206010007269 Carcinogenicity Diseases 0.000 description 1
- 208000031404 Chromosome Aberrations Diseases 0.000 description 1
- 101100456571 Mus musculus Med12 gene Proteins 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 231100000260 carcinogenicity Toxicity 0.000 description 1
- 230000007670 carcinogenicity Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 231100000005 chromosome aberration Toxicity 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 229940102253 isopropanolamine Drugs 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- -1 methoxypropyl Chemical group 0.000 description 1
- 231100000219 mutagenic Toxicity 0.000 description 1
- 230000003505 mutagenic effect Effects 0.000 description 1
- XKLJHFLUAHKGGU-UHFFFAOYSA-N nitrous amide Chemical compound ON=N XKLJHFLUAHKGGU-UHFFFAOYSA-N 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000013076 target substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Abstract
【解決手段】休止中のボイラにおいて、安全性が高く取り扱いが容易であるメトキシプロピルアミンを含有する溶液をボイラに接触させた状態でボイラを保存する。また、休止中のボイラ用の防食剤にメトキシプロピルアミンを含有させる。
【選択図】なし
Description
本発明の休止中のボイラの防食方法は、メトキシプロピルアミンを含有する溶液をボイラに接触させた状態でボイラを保存することにより、ボイラ缶内の防食を行うものである。
このため、メトキシプロピルアミンを含有する溶液は、ボイラの休止期間後にボイラから排出したときの排水処理の負担が大幅に軽減されたものといえる。
本発明の休止中のボイラ用の防食剤はメトキシプロピルアミンを含有するものであり、そのまま、又は所望の溶媒により希釈された後に、ボイラの内部又は外部の腐食を受けうる構成部品内に添加して使用される。本発明の休止中のボイラ用の防食剤は液状であっても、固体状であっても、ゲル状であってよい。例えば、液状の防食剤は、所望の量のメトキシプロピルアミンを水に溶解させることにより調製される。
MOPA:メトキシプロピルアミン
HZ:ヒドラジン
MEA:モノエタノールアミン
MIPA:モノイソプロパノールアミン
CHA:シクロへキシルアミン
DEEA:ジエチルエタノールアミン
AMP:2−アミノ−2−メチル−1−プロパノール
MOR:モルホリン
純水に表1に示す種類及び量の薬剤を添加して500mlにメスアップしたものを容量500mLのコニカルビーカーに入れ、ここに鋼材性試験片(1mm×30mm×50mm)を2枚浸漬し、ビーカー上部にプラスチック製シートで蓋をして室温にて静置した。表1に示した期間経過後に試験片を引き上げ、脱錆処理して腐食減量を測定し、腐食速度を求めた。結果を表1に示す。
Claims (3)
- メトキシプロピルアミンを含有する溶液をボイラに接触させた状態でボイラを保存する休止中のボイラの防食方法。
- 前記溶液の溶媒が純水又は軟水である請求項1の休止中のボイラの防食方法。
- メトキシプロピルアミンを含有する休止中のボイラ用の防食剤。
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JP2009086026A JP5691134B2 (ja) | 2009-03-31 | 2009-03-31 | 休止中のボイラの処理方法 |
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JP2009086026A JP5691134B2 (ja) | 2009-03-31 | 2009-03-31 | 休止中のボイラの処理方法 |
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JP2010236034A true JP2010236034A (ja) | 2010-10-21 |
JP5691134B2 JP5691134B2 (ja) | 2015-04-01 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102703907A (zh) * | 2012-06-14 | 2012-10-03 | 安徽皖维高新材料股份有限公司 | 一种利用邻近运行锅炉连排水形成的备用锅炉保养系统及保养方法 |
JP2012188682A (ja) * | 2011-03-08 | 2012-10-04 | Kurita Water Ind Ltd | ボイラ水処理剤及びボイラの水処理方法 |
CN103663742A (zh) * | 2013-12-09 | 2014-03-26 | 山东华亚环保科技有限公司 | 一种用于循环冷却水的复合缓蚀阻垢剂 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5492535A (en) * | 1977-12-12 | 1979-07-21 | Calgon Corp | Composition for preventing corrosion by vapor condense of methoxypropylamine and hydraztne |
JP2002129366A (ja) * | 2000-10-23 | 2002-05-09 | Kurita Water Ind Ltd | 休止中のボイラの防食方法 |
JP2004211195A (ja) * | 2002-11-12 | 2004-07-29 | Kurita Water Ind Ltd | 金属防食剤、金属防食方法、原油常圧蒸留装置における塩化水素発生防止剤および塩化水素発生防止方法 |
JP2007138219A (ja) * | 2005-11-16 | 2007-06-07 | Kurita Water Ind Ltd | 休止中のボイラの防食方法 |
JP2008150684A (ja) * | 2006-12-19 | 2008-07-03 | Kurita Water Ind Ltd | エロージョン・コロージョン低減用防食剤及び低減方法 |
-
2009
- 2009-03-31 JP JP2009086026A patent/JP5691134B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5492535A (en) * | 1977-12-12 | 1979-07-21 | Calgon Corp | Composition for preventing corrosion by vapor condense of methoxypropylamine and hydraztne |
JP2002129366A (ja) * | 2000-10-23 | 2002-05-09 | Kurita Water Ind Ltd | 休止中のボイラの防食方法 |
JP2004211195A (ja) * | 2002-11-12 | 2004-07-29 | Kurita Water Ind Ltd | 金属防食剤、金属防食方法、原油常圧蒸留装置における塩化水素発生防止剤および塩化水素発生防止方法 |
JP2007138219A (ja) * | 2005-11-16 | 2007-06-07 | Kurita Water Ind Ltd | 休止中のボイラの防食方法 |
JP2008150684A (ja) * | 2006-12-19 | 2008-07-03 | Kurita Water Ind Ltd | エロージョン・コロージョン低減用防食剤及び低減方法 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012188682A (ja) * | 2011-03-08 | 2012-10-04 | Kurita Water Ind Ltd | ボイラ水処理剤及びボイラの水処理方法 |
CN102703907A (zh) * | 2012-06-14 | 2012-10-03 | 安徽皖维高新材料股份有限公司 | 一种利用邻近运行锅炉连排水形成的备用锅炉保养系统及保养方法 |
CN103663742A (zh) * | 2013-12-09 | 2014-03-26 | 山东华亚环保科技有限公司 | 一种用于循环冷却水的复合缓蚀阻垢剂 |
CN103663742B (zh) * | 2013-12-09 | 2015-06-24 | 山东建筑大学 | 一种用于循环冷却水的复合缓蚀阻垢剂 |
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