JPWO2014192313A1 - ボイラの腐食抑制剤、ボイラ及びボイラの腐食抑制方法 - Google Patents
ボイラの腐食抑制剤、ボイラ及びボイラの腐食抑制方法 Download PDFInfo
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- 238000005260 corrosion Methods 0.000 title claims abstract description 316
- 230000007797 corrosion Effects 0.000 title claims abstract description 316
- 230000002401 inhibitory effect Effects 0.000 title claims abstract description 129
- 239000003112 inhibitor Substances 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims description 18
- 239000002245 particle Substances 0.000 claims abstract description 265
- 238000002485 combustion reaction Methods 0.000 claims abstract description 117
- 238000007667 floating Methods 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 claims description 93
- 230000001629 suppression Effects 0.000 claims description 34
- 229910021536 Zeolite Inorganic materials 0.000 claims description 20
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 20
- 239000010457 zeolite Substances 0.000 claims description 20
- 239000005995 Aluminium silicate Substances 0.000 claims description 12
- 235000012211 aluminium silicate Nutrition 0.000 claims description 12
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 12
- 238000002844 melting Methods 0.000 claims description 11
- 230000008018 melting Effects 0.000 claims description 11
- 239000010459 dolomite Substances 0.000 claims description 10
- 229910000514 dolomite Inorganic materials 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 8
- 238000001179 sorption measurement Methods 0.000 claims description 8
- 230000005764 inhibitory process Effects 0.000 claims description 7
- 238000005342 ion exchange Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 2
- 239000002912 waste gas Substances 0.000 claims 1
- 239000002956 ash Substances 0.000 description 40
- 229910052751 metal Inorganic materials 0.000 description 37
- 239000002184 metal Substances 0.000 description 37
- 239000000460 chlorine Substances 0.000 description 18
- 239000000446 fuel Substances 0.000 description 16
- 150000003839 salts Chemical class 0.000 description 14
- 239000002699 waste material Substances 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 238000012360 testing method Methods 0.000 description 13
- 238000001514 detection method Methods 0.000 description 12
- 230000005855 radiation Effects 0.000 description 10
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- 239000010813 municipal solid waste Substances 0.000 description 8
- 229910052801 chlorine Inorganic materials 0.000 description 7
- 229910052700 potassium Inorganic materials 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000002028 Biomass Substances 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 5
- 239000010881 fly ash Substances 0.000 description 5
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 4
- 238000005536 corrosion prevention Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000011591 potassium Substances 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- -1 NaCl and KCl Chemical class 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004453 electron probe microanalysis Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M potassium chloride Inorganic materials [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 238000001089 thermophoresis Methods 0.000 description 1
- 239000010920 waste tyre Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/025—Devices and methods for diminishing corrosion, e.g. by preventing cooling beneath the dew point
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B21/00—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/46—Recuperation of heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/48—Preventing corrosion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/003—Arrangements of devices for treating smoke or fumes for supplying chemicals to fumes, e.g. using injection devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Chimneys And Flues (AREA)
Abstract
Description
前記排ガス通路内で浮遊する燃焼灰と共に前記過熱器管に付着し、前記燃焼灰中の腐食性粒子を引き付ける腐食抑制粒子を含有することを特徴としている。
燃焼炉と、
前記燃焼炉からの燃焼排ガスが通る排ガス通路と、
前記排ガス通路内に設けられた過熱器管と、
上記のボイラの腐食抑制剤を前記排ガス通路内に供給する腐食抑制装置とを備えることを特徴としている。
11 発電機
12 ホッパ
13 シュート
14 主燃焼室
14a 天井
15 乾燥ストーカ
16 燃焼ストーカ
17 後燃焼ストーカ
18 シュート
19 ボイラ
20 放射室
21 第2煙道
22 第3煙道
23 水管
24 ボイラドラム
25 過熱器
26 タービン
27 過熱器管
28 排ガス通路
30 腐食検出装置
59 腐食抑制装置
59a 供給口
100 制御装置
前記排ガス通路内で浮遊する燃焼灰と共に前記過熱器管に付着し、前記燃焼灰中の腐食性粒子を引き付ける腐食抑制粒子を含有し、前記腐食抑制粒子の粒子径は0.1μm以上10μm未満であって、前記腐食抑制粒子が、ゼオライト及びカオリンの少なくとも1つ又はそれを主成分とする化合物、又は、ゼオライト及びカオリンの混合物であることを特徴としている。
Claims (10)
- ボイラの燃焼排ガスが通る排ガス通路内に設けられた過熱器管の腐食を抑制するために前記排ガス通路内に供給されるボイラの腐食抑制剤であって、
前記排ガス通路内で浮遊する燃焼灰と共に前記過熱器管に付着し、前記燃焼灰中の腐食性粒子を引き付ける腐食抑制粒子を含有する、ボイラの腐食抑制剤。 - 前記腐食抑制粒子が、前記腐食性粒子を引き付ける吸着能及びイオン交換能の少なくとも一方を有する、請求項1に記載のボイラの腐食抑制剤。
- 前記腐食抑制粒子は、ゼオライト、ドロマイト及びカオリンの少なくとも1つ又はそれを主成分とする化合物、又は、ゼオライト、ドロマイト及びカオリンのうち2つ以上を含む混合物である、請求項1又は2に記載のボイラの腐食抑制剤。
- 前記腐食抑制粒子の粒子径が、0.1μm以上10μm未満である、請求項1〜3のいずれかに記載のボイラの腐食抑制剤。
- 液体に前記腐食抑制粒子を混合して得られたスラリー状の混合物質である、請求項1〜4のいずれか一項に記載のボイラの腐食抑制剤。
- 前記腐食抑制粒子よりも粒子径が大きい粉体に前記腐食抑制粒子を混合して得られた粉状の混合物質である、請求項1〜4のいずれか一項に記載のボイラの腐食抑制剤。
- 燃焼炉と、
前記燃焼炉からの燃焼排ガスが通る排ガス通路と、
前記排ガス通路内に設けられた過熱器管と、
請求項1〜6のいずれか一項に記載のボイラの腐食抑制剤を前記排ガス通路内に供給する腐食抑制装置とを
備える、ボイラ。 - 前記腐食抑制装置が、前記排ガス通路内のガス温度が前記腐食抑制粒子の融点よりも低い領域へ前記ボイラの腐食抑制剤を供給するように構成されている、請求項7に記載のボイラ。
- ボイラの燃焼排ガスが通る排ガス通路内に設けられた過熱器管の腐食を抑制するためのボイラの腐食抑制方法であって、
請求項1〜6のいずれか一項に記載のボイラの腐食抑制剤を、前記排ガス通路の前記過熱器管より上流側へ供給する、ボイラの腐食抑制方法。 - 前記ボイラの腐食抑制剤を供給することが、前記排ガス通路内のガス温度が前記腐食抑制粒子の融点よりも低い領域へ前記ボイラの腐食抑制剤を供給することを含む、請求項9に記載のボイラの腐食抑制方法。
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PCT/JP2014/002889 WO2014192313A1 (ja) | 2013-05-31 | 2014-05-30 | ボイラの腐食抑制剤、ボイラ及びボイラの腐食抑制方法 |
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KR101816010B1 (ko) * | 2015-09-08 | 2018-01-08 | 한국생산기술연구원 | 발전용 열교환기의 부식 저감장치 |
JP6678452B2 (ja) * | 2015-12-28 | 2020-04-08 | 川崎重工業株式会社 | ボイラ及び腐食抑制方法 |
JP7141067B2 (ja) | 2019-12-18 | 2022-09-22 | 日鉄エンジニアリング株式会社 | ボイラ用腐食抑制剤の製造方法及びボイラとボイラの腐食抑制方法 |
CN112323064A (zh) * | 2020-10-13 | 2021-02-05 | 浙江大学 | 抑制生物质锅炉换热面高温腐蚀的方法 |
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JPS6348392A (ja) * | 1986-08-15 | 1988-03-01 | Toa Netsuken Kk | 石炭の排ガスダストのクリンカ−アツシユ抑制方法 |
JPS6480425A (en) * | 1987-09-19 | 1989-03-27 | Hokkaido Electric Power | Treatment of exhaust gas |
JP3379677B2 (ja) * | 1996-02-16 | 2003-02-24 | 栗田工業株式会社 | 焼却炉におけるダイオキシン類の生成防止材及びその方法 |
JP2002031324A (ja) * | 2001-05-07 | 2002-01-31 | Sumitomo Heavy Ind Ltd | 排ガス系装置へのダスト付着防止方法及びその装置 |
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JP4448053B2 (ja) * | 2005-04-27 | 2010-04-07 | 住友重機械工業株式会社 | ボイラの腐食防止装置及び腐食防止方法 |
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JP2009046342A (ja) * | 2007-08-17 | 2009-03-05 | Kurita Water Ind Ltd | 排ガス成分付着防止剤および排ガス成分付着防止方法 |
JP2009204224A (ja) * | 2008-02-27 | 2009-09-10 | Mitsubishi Heavy Ind Ltd | 火炉併設ボイラ設備の灰付着防止方法及び火炉併設ボイラ設備 |
JP2010117095A (ja) * | 2008-11-14 | 2010-05-27 | Ebara Corp | 腐食抑制方法 |
CN101445758A (zh) * | 2008-12-19 | 2009-06-03 | 华中科技大学 | 燃烧过程中减少细微颗粒物及金属排放的方法 |
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