CN215985932U - 锅炉换热管的结垢速率影响试验装置 - Google Patents
锅炉换热管的结垢速率影响试验装置 Download PDFInfo
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- CN215985932U CN215985932U CN202121370018.2U CN202121370018U CN215985932U CN 215985932 U CN215985932 U CN 215985932U CN 202121370018 U CN202121370018 U CN 202121370018U CN 215985932 U CN215985932 U CN 215985932U
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- 238000012360 testing method Methods 0.000 title claims abstract description 120
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 326
- 238000005070 sampling Methods 0.000 claims abstract description 74
- 239000003814 drug Substances 0.000 claims abstract description 69
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- 238000001816 cooling Methods 0.000 claims abstract description 38
- 238000010438 heat treatment Methods 0.000 claims abstract description 31
- 238000002360 preparation method Methods 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000006392 deoxygenation reaction Methods 0.000 claims description 33
- 239000000498 cooling water Substances 0.000 claims description 23
- 239000000126 substance Substances 0.000 claims description 20
- 239000008399 tap water Substances 0.000 claims description 11
- 235000020679 tap water Nutrition 0.000 claims description 11
- 150000001768 cations Chemical class 0.000 claims description 9
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- 238000005273 aeration Methods 0.000 claims description 8
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- 230000009286 beneficial effect Effects 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 90
- 229910052742 iron Inorganic materials 0.000 description 44
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 40
- 230000004907 flux Effects 0.000 description 36
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 35
- 229910052760 oxygen Inorganic materials 0.000 description 35
- 239000001301 oxygen Substances 0.000 description 35
- 230000007797 corrosion Effects 0.000 description 23
- 238000005260 corrosion Methods 0.000 description 23
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 20
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 16
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 14
- 230000001590 oxidative effect Effects 0.000 description 13
- 238000005520 cutting process Methods 0.000 description 11
- 229920006395 saturated elastomer Polymers 0.000 description 11
- 229910021529 ammonia Inorganic materials 0.000 description 10
- 238000004140 cleaning Methods 0.000 description 10
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 10
- 239000000047 product Substances 0.000 description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 6
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 6
- 235000011114 ammonium hydroxide Nutrition 0.000 description 6
- 229910003145 α-Fe2O3 Inorganic materials 0.000 description 6
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- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 4
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- 229910000859 α-Fe Inorganic materials 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910002588 FeOOH Inorganic materials 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
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- 229910006540 α-FeOOH Inorganic materials 0.000 description 2
- 229910006299 γ-FeOOH Inorganic materials 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
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- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
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- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- -1 iron ions Chemical class 0.000 description 1
- 229910021506 iron(II) hydroxide Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
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- 229910006297 γ-Fe2O3 Inorganic materials 0.000 description 1
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Abstract
Description
组成 | 颜色 | 密度g/cm<sup>3</sup> | 热稳定性 |
Fe(OH)<sub>2</sub><sup>1</sup>) | 白 | 3.40 | 在100℃分解为Fe<sub>3</sub>O<sub>4</sub>和H<sub>2</sub> |
FeO | 黑 | 5.4~5.73 | 在1371~1424℃熔化,在低于570℃时分解为Fe与Fe<sub>3</sub>O<sub>4</sub> |
Fe<sub>3</sub>O<sub>4</sub> | 黑 | 5.20 | 在1597℃时熔化 |
α-FeOOH | 黄 | 4.20 | 约200℃时失水生成α-Fe<sub>2</sub>O<sub>3</sub> |
β-FeOOH | 淡褐 | \ | 约230℃时失水生成α-Fe<sub>2</sub>O<sub>3</sub> |
γ-FeOOH | 橙 | 3.97 | 约200℃时转变成α-Fe<sub>2</sub>O<sub>3</sub> |
γ-Fe<sub>2</sub>O<sub>3</sub> | 褐 | 4.88 | 在大于250℃转变成α-Fe<sub>2</sub>O<sub>3</sub> |
α-Fe<sub>2</sub>O<sub>3</sub> | 砖红 | 5.25 | 在0.098MPa下,1457℃时分解为Fe<sub>3</sub>O<sub>4</sub> |
给水水工况 | 给水加药种类 | 给水氧含量,μg/L | 给水氧化还原电位,mV |
全挥发还原性水工况 | 氨和联胺 | ≤7 | -300~-350 |
全挥发弱氧化水工况 | 氨 | ≤10 | ≈0 |
氧化性水工况 | 氨和氧 | 10~150 | +100~+150 |
Claims (9)
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Address after: No. 669 Mingzhu Avenue, Baiyan Science and Technology Park, High tech Zone, Hefei City, Anhui Province, 231283 Patentee after: East China electric power test and Research Institute of China Datang Group Science and Technology Research Institute Co.,Ltd. Country or region after: China Patentee after: DATANG BOILER PRESSURE VESSEL EXAMINATION CENTER Co.,Ltd. Patentee after: ZHEJIANG DATANG INTERNATIONAL WUSHASHAN POWER GENERATION Co.,Ltd. Patentee after: Datang Anhui Power Generation Co.,Ltd. Huainan Luohe Power Generation Branch Address before: 236000 Innovation Avenue 666, Hefei Hi-tech Zone, Anhui Province, as Intelligent Building Patentee before: CHINA DATANG GROUP SCIENCE AND TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. EAST CHINA ELECTRIC POWER TEST INSTITUTE Country or region before: China Patentee before: DATANG BOILER PRESSURE VESSEL EXAMINATION CENTER Co.,Ltd. Patentee before: ZHEJIANG DATANG INTERNATIONAL WUSHASHAN POWER GENERATION Co.,Ltd. Patentee before: DATANG HUAINAN LUOHE POWER PLANT |
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Effective date of registration: 20240428 Address after: No. 669 Mingzhu Avenue, Baiyan Science and Technology Park, High tech Zone, Hefei City, Anhui Province, 231283 Patentee after: East China electric power test and Research Institute of China Datang Group Science and Technology Research Institute Co.,Ltd. Country or region after: China Patentee after: DATANG BOILER PRESSURE VESSEL EXAMINATION CENTER Co.,Ltd. Patentee after: ZHEJIANG DATANG INTERNATIONAL WUSHASHAN POWER GENERATION Co.,Ltd. Patentee after: Huainan Luohe Power Generation Co.,Ltd. Address before: No. 669 Mingzhu Avenue, Baiyan Science and Technology Park, High tech Zone, Hefei City, Anhui Province, 231283 Patentee before: East China electric power test and Research Institute of China Datang Group Science and Technology Research Institute Co.,Ltd. Country or region before: China Patentee before: DATANG BOILER PRESSURE VESSEL EXAMINATION CENTER Co.,Ltd. Patentee before: ZHEJIANG DATANG INTERNATIONAL WUSHASHAN POWER GENERATION Co.,Ltd. Country or region before: China Patentee before: Datang Anhui Power Generation Co.,Ltd. Huainan Luohe Power Generation Branch |