JP6202027B2 - 酸洗液の温度制御方法 - Google Patents
酸洗液の温度制御方法 Download PDFInfo
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- JP6202027B2 JP6202027B2 JP2015055827A JP2015055827A JP6202027B2 JP 6202027 B2 JP6202027 B2 JP 6202027B2 JP 2015055827 A JP2015055827 A JP 2015055827A JP 2015055827 A JP2015055827 A JP 2015055827A JP 6202027 B2 JP6202027 B2 JP 6202027B2
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- pickling
- temperature
- pickling solution
- heat exchanger
- water valve
- Prior art date
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- 238000005554 pickling Methods 0.000 title claims description 173
- 238000000034 method Methods 0.000 title claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 65
- 238000001816 cooling Methods 0.000 claims description 45
- 238000010438 heat treatment Methods 0.000 claims description 41
- 239000002184 metal Substances 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 23
- 239000000243 solution Substances 0.000 description 83
- 239000000126 substance Substances 0.000 description 7
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 3
- 235000021110 pickles Nutrition 0.000 description 3
- 230000004043 responsiveness Effects 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/086—Iron or steel solutions containing HF
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
- C23G3/02—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
- C23G3/02—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously
- C23G3/027—Associated apparatus, e.g. for pretreating or after-treating
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Control Of Temperature (AREA)
Description
a.供給配管の最下流に配設された熱交換器の出側に取付けた測温器で測定した酸洗液の温度のみに基づいて温水弁および冷水弁を開閉するモード。
b.酸洗液を冷却せず、酸洗液を加熱する熱交換器を使用して、当該加熱する最下流の熱交換器の出側に取付けた測温器で測定した酸洗液の温度に基づいて、温水を供給する温調弁を開閉するモード。
c.酸洗液を加熱せず、酸洗液を冷却する熱交換器を使用して、当該冷却する最下流熱交換器の出側に取付けた測温器で測定した酸洗液の温度に基づいて冷水弁を開閉するモード。
d.作業員が介入して温水弁および冷水弁を開閉するモード。
2 酸洗槽
3 酸洗液
4 供給配管
51 切替バルブ
52 切替バルブ
53 切替バルブ
6 冷却出側測温器
7 加熱出側測温器
8 冷水弁
9 温水弁
10 冷却用熱交換器
11 加熱用熱交換器
12 バイパス配管
13 不感帯
Claims (3)
- 酸洗槽へ補充あるいは循環して供給する酸洗液の温度制御方法において、前記酸洗液を前記酸洗槽へ供給する供給配管に2台以上の熱交換器を直列に配設し、前記熱交換器の少なくとも1台は温水弁を介して温水を供給して前記酸洗液を加熱する一方で、その他の熱交換器は冷水弁を介して冷水を供給して前記酸洗液を冷却する機能を備え、少なくとも温水を供給する熱交換器と冷水を供給する熱交換器とが切り替わる前記熱交換器の出側にそれぞれ測温器を取付けて前記酸洗液の温度を測定し、下記のa〜dのモードのうちのいずれか1つを選択し、あるいは2つ以上を順序立てて組合わせて前記酸洗液の温度制御を行なうことを特徴とする酸洗液の温度制御方法。
a.前記供給配管の最下流に配設された前記熱交換器の出側に取付けた前記測温器で測定した前記酸洗液の温度のみに基づいて前記温水弁および前記冷水弁を開閉するモード。
b.前記酸洗液を冷却せず、前記酸洗液を加熱する前記熱交換器を使用して、当該加熱する最下流の熱交換器の出側に取付けた前記測温器で測定した前記酸洗液の温度に基づいて前記温水弁を開閉するモード。
c.前記酸洗液を加熱せず、前記酸洗液を冷却する前記熱交換器を使用して、当該冷却する最下流の熱交換器の出側に取付けた前記測温器で測定した前記酸洗液の温度に基づいて前記冷水弁を開閉するモード。
d.作業員が介入して前記温水弁および前記冷水弁を開閉するモード。 - 前記酸洗槽内の前記酸洗液に金属板を浸漬し通板する時は前記モードaを選択し、前記金属板を通板しない時は前記モードbを選択することを特徴とする請求項1に記載の酸洗液の温度制御方法。
- 前記供給配管に切替バルブとバイパス配管を配設して、前記モードa〜dの選択を可能にすることを特徴とする請求項1または2に記載の酸洗液の温度制御方法。
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JP2016176096A JP2016176096A (ja) | 2016-10-06 |
JP6202027B2 true JP6202027B2 (ja) | 2017-09-27 |
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CN110794896B (zh) * | 2019-10-31 | 2021-06-15 | 太原理工大学 | 一种基于水与冰电导率差异的温控保温电路 |
CN110938828A (zh) * | 2019-12-11 | 2020-03-31 | 佛山市高明区高级技工学校 | 一种带钢清洗装置 |
CN112481626A (zh) * | 2020-09-25 | 2021-03-12 | 南南铝业股份有限公司 | 一种高效温控铝合金挤压模具残铝分离装置及方法 |
CN113388843A (zh) * | 2021-06-18 | 2021-09-14 | 湖州金业表面科技有限公司 | 一种基于酸循环过滤再生技术含金属废水处理用酸洗槽 |
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JPH1019436A (ja) * | 1996-07-05 | 1998-01-23 | Toshiba Corp | 流体加熱冷却制御方法 |
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JP2013124384A (ja) * | 2011-12-14 | 2013-06-24 | Jfe Steel Corp | ステンレス鋼帯の酸洗温度制御装置 |
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