JP6419183B2 - 熱交換器の複合洗浄方法 - Google Patents
熱交換器の複合洗浄方法 Download PDFInfo
- Publication number
- JP6419183B2 JP6419183B2 JP2016532521A JP2016532521A JP6419183B2 JP 6419183 B2 JP6419183 B2 JP 6419183B2 JP 2016532521 A JP2016532521 A JP 2016532521A JP 2016532521 A JP2016532521 A JP 2016532521A JP 6419183 B2 JP6419183 B2 JP 6419183B2
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- JP
- Japan
- Prior art keywords
- dry ice
- heat exchanger
- injecting
- ammonium bisulfate
- exhaust gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G3/00—Rotary appliances
- F28G3/16—Rotary appliances using jets of fluid for removing debris
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/003—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods using material which dissolves or changes phase after the treatment, e.g. ice, CO2
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G1/00—Non-rotary, e.g. reciprocated, appliances
- F28G1/12—Fluid-propelled scrapers, bullets, or like solid bodies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0003—Recuperative heat exchangers the heat being recuperated from exhaust gases
- F28D21/001—Recuperative heat exchangers the heat being recuperated from exhaust gases for thermal power plants or industrial processes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G1/00—Non-rotary, e.g. reciprocated, appliances
- F28G1/16—Non-rotary, e.g. reciprocated, appliances using jets of fluid for removing debris
- F28G1/163—Non-rotary, e.g. reciprocated, appliances using jets of fluid for removing debris from internal surfaces of heat exchange conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
- F28G9/005—Cleaning by flushing or washing, e.g. with chemical solvents of regenerative heat exchanger
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D19/00—Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium
- F28D19/04—Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium using rigid bodies, e.g. mounted on a movable carrier
- F28D19/041—Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium using rigid bodies, e.g. mounted on a movable carrier with axial flow through the intermediate heat-transfer medium
- F28D19/042—Rotors; Assemblies of heat absorbing masses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0024—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for combustion apparatus, e.g. for boilers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chimneys And Flues (AREA)
- Air Supply (AREA)
Description
課題の解決手段
Claims (3)
- 選択的触媒還元(SCR)装置の後段に設けられた熱交換器の複合洗浄方法であって、
熱交換器に温度90℃乃至500℃、圧力10kg/cm2G乃至30kg/cm2Gで高温の蒸気を噴射するステップ;
熱交換器に熱素子の表面に平行に0.5kg/cm2G乃至20kg/cm2Gの圧力、200m/sec乃至400m/secの速度で、粒径が0.1mm乃至3mmのドライアイスペレットを噴射するステップ;及び
熱素子の表面に形成されている異物質の除去のステップを含み、
前記高温の蒸気を噴射するステップと、前記ドライアイスペレットを噴射するステップは、同時に行われ、
前記高温の蒸気を噴射するステップでの高温の蒸気は、高温の蒸気噴射ノズルから排ガスの方向(8)に熱交換器に噴射され、及びその逆方向のボイラー供給空気の方向(9)に熱交換器に噴射され、
前記ドライアイスペレットを噴射するステップでのペレットは、ドライアイスペレット噴射ノズルから排ガスの方向(8)に熱交換器に噴射され、及びその逆方向のボイラー供給空気の方向(9)に熱交換器に噴射され、
高温の蒸気噴射ノズルはボイラー排ガスの入口側及びボイラー供給空気の入口側に配置され、ドライアイスペレット噴射ノズルは、熱交換器の中央のシャフトに向かって往復運動し、
高温の蒸気噴射ノズルのうちの少なくとも一つはペレット噴射ノズルよりも前記シャフトにより一層近接して配置されており、
選択的触媒還元(SCR)装置後段に設けられた熱交換器の複合洗浄方法。 - 前記ドライアイスペレットを噴射するステップは、
ドライアイスペレットが熱交換器の熱素子と衝突して粉砕された後、粉砕ドライアイスペレット粒子によって、熱素子の表面を覆っている重硫酸アンモニウム塩が0℃乃至−78.5℃の温度範囲で急速凍結され、重硫酸アンモニウム塩層に亀裂が生じるステップ;
前記重硫酸アンモニウム塩層の亀裂の間に前記粉砕ドライアイスペレット粒子が浸透するステップ;及び
前記ドライアイス粒子の昇華により、熱素子の表面の重硫酸アンモニウム塩が熱素子から分離されて除去されるステップを含むことを特徴とする請求項1に記載の熱交換器の複合洗浄方法。 - 前記熱交換器は、空気予熱器であることを特徴とする請求項1に記載の熱交換器の複合洗浄方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2013-0143648 | 2013-11-25 | ||
KR1020130143648A KR101387024B1 (ko) | 2013-11-25 | 2013-11-25 | 열교환기용 복합 세정 시스템 |
PCT/KR2014/005536 WO2015076472A1 (ko) | 2013-11-25 | 2014-06-23 | 열교환기용 복합 세정 시스템 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016540953A JP2016540953A (ja) | 2016-12-28 |
JP6419183B2 true JP6419183B2 (ja) | 2018-11-07 |
Family
ID=50658160
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016532521A Active JP6419183B2 (ja) | 2013-11-25 | 2014-06-23 | 熱交換器の複合洗浄方法 |
Country Status (9)
Country | Link |
---|---|
US (1) | US20170016686A1 (ja) |
EP (1) | EP3076119B1 (ja) |
JP (1) | JP6419183B2 (ja) |
KR (1) | KR101387024B1 (ja) |
CN (1) | CN105765336A (ja) |
ES (1) | ES2702382T3 (ja) |
PL (1) | PL3076119T3 (ja) |
TR (1) | TR201819660T4 (ja) |
WO (1) | WO2015076472A1 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101566505B1 (ko) * | 2015-05-12 | 2015-11-05 | 주식회사 지스코 | 선택적촉매환원(scr)용 촉매의 재생 방법 |
KR101736334B1 (ko) * | 2016-05-31 | 2017-05-16 | 주식회사 지스코 | 수트 블로워 및 회전 재생식 열교환기의 세정 방법 |
KR101748802B1 (ko) * | 2016-10-18 | 2017-06-19 | 주식회사 지스코 | 수트 블로워 및 이를 이용한 튜브형 열 교환기의 세정 방법 |
CN107655228A (zh) * | 2017-10-27 | 2018-02-02 | 天津商业大学 | 利用干冰清洁的制冷*** |
JP7156610B2 (ja) * | 2017-10-31 | 2022-10-19 | 昭和電工株式会社 | 硫黄化合物含有物除去方法 |
US11313632B2 (en) * | 2017-12-11 | 2022-04-26 | Precision Iceblast Corporation | Deep cleaning alignment equipment |
KR101941162B1 (ko) * | 2018-01-10 | 2019-04-12 | 에너지엔 주식회사 | 부식방지기능이 향상된 화력발전시설의 가스가스열교환기 |
CN108195222B (zh) * | 2018-02-09 | 2024-01-09 | 山西昌德大成科技有限公司 | 一种回转式空气预热器的清洗***及其使用方法 |
CN108393310B (zh) * | 2018-03-16 | 2020-07-07 | 山西昌德大成科技有限公司 | 采用干冰颗粒清洗回转式空气预热器的***及其使用方法 |
CN110131940A (zh) * | 2019-05-21 | 2019-08-16 | 安徽晋煤中能化工股份有限公司 | 一种清洁制冷***及方法 |
CN211876854U (zh) * | 2019-07-26 | 2020-11-06 | Geesco 有限公司 | 热交换器清洗*** |
KR20210012652A (ko) | 2019-07-26 | 2021-02-03 | 주식회사 지스코 | 열교환기 세정 시스템 및 열교환기 세정 방법 |
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JPH08597Y2 (ja) * | 1990-06-15 | 1996-01-10 | 宇部興産株式会社 | スートブロー装置 |
CA2097222A1 (en) * | 1992-06-01 | 1993-12-02 | Somyong Visaisouk | Particle blasting utilizing crystalline ice |
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-
2013
- 2013-11-25 KR KR1020130143648A patent/KR101387024B1/ko active IP Right Grant
-
2014
- 2014-06-23 CN CN201480064274.5A patent/CN105765336A/zh active Pending
- 2014-06-23 ES ES14863750T patent/ES2702382T3/es active Active
- 2014-06-23 JP JP2016532521A patent/JP6419183B2/ja active Active
- 2014-06-23 EP EP14863750.7A patent/EP3076119B1/en active Active
- 2014-06-23 WO PCT/KR2014/005536 patent/WO2015076472A1/ko active Application Filing
- 2014-06-23 TR TR2018/19660T patent/TR201819660T4/tr unknown
- 2014-06-23 US US15/039,001 patent/US20170016686A1/en not_active Abandoned
- 2014-06-23 PL PL14863750T patent/PL3076119T3/pl unknown
Also Published As
Publication number | Publication date |
---|---|
EP3076119A4 (en) | 2017-09-06 |
TR201819660T4 (tr) | 2019-01-21 |
ES2702382T3 (es) | 2019-02-28 |
EP3076119B1 (en) | 2018-10-10 |
CN105765336A (zh) | 2016-07-13 |
EP3076119A1 (en) | 2016-10-05 |
PL3076119T3 (pl) | 2019-06-28 |
WO2015076472A1 (ko) | 2015-05-28 |
KR101387024B1 (ko) | 2014-04-21 |
JP2016540953A (ja) | 2016-12-28 |
US20170016686A1 (en) | 2017-01-19 |
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