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What happed when 16Mo3 steel and 310S steel be exposed to a used wood fired boiler?
- 16Mo3 steel and 310S steel is katalor’s star product. We produce high quality 16Mo3 steel and 310S steel for many years.Used wood (also known as waste or recycled wood) is an inhomogeneous fuel that comes from construction and demoli- tion waste, which has been shown to be very corrosive due to its high alkali chloride content. What happed when 16Mo3 steel and 310S steel be exposed to a used wood fired boiler?
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16Mo3 steel and 310S steel is katalor’s star product. We produce high quality 16Mo3 steel and 310S steel for many years.Used wood (also known as waste or recycled wood) is an inhomogeneous fuel that comes from construction and demoli- tion waste, which has been shown to be very corrosive due to its high alkali chloride content. What happed when 16Mo3 steel and 310S steel be exposed to a used wood fired boiler?
Table1. Average chemical composition (wt%) of the deposits about 16Mo3 and 310s steel
| Alloy/fuel | O | Na | Mg | Al | Si | P | S | Cl | K | Ca | Ti | Mn | Fe | Cu | Zn | Pb |
| 16Mo3 100% Used wood |
28.6 | 7.7 | 0.9 | 1.1 | 2.0 | 0.4 | 4.3 | 12.2 | 3.8 | 8.6 | 2.5 | 0.7 | 15.1 | 0.8 | 3.3 | 8.0 |
| Used wood þ sludge | 46.1 | 3.2 | 1.8 | 2.4 | 4.7 | 1.7 | 5.3 | 3.7 | 3.3 | 14.1 | 3.9 | 0.3 | 4.3 | 0.0 | 3.2 | 1.9 |
| 310s 100% Used wood |
35.6 | 2.8 | 1.2 | 1.6 | 2.9 | 0.6 | 7.9 | 4.6 | 5.1 | 14.5 | 4.3 | 0.5 | 3.7 | 0.6 | 5.4 | 8.6 |
| Used wood þ sludge | 43.7 | 4.2 | 1.4 | 3.5 | 3.6 | 1.8 | 6.6 | 2.7 | 4.4 | 11.2 | 3.0 | 0.2 | 4.9 | 0.3 | 3.7 | 4.7 |
Table 2. XRD results from the top of the deposits about 16Mo3 and 310s steel
| Alloy/fuel | Strong | Medium | Possible/indicated |
| 16Mo3 | |||
| 100% Used wood Used wood þ sludge | Fe2O3, Fe3O4, NaCl, CaSO4 | KCl, CaSO4 Fe2O3, Fe3O4, KCl, NaCl, K2Ca2(SO4)3 |
K2Ca2(SO4)3 |
| 310s | |||
| 100% Used wood Used wood þ sludge | Fe3O4, NaCl CaSO4 | KCl, Fe2O3, Ca(SO4), K2Ca2(SO4)3 Fe2O3, Fe3O4, NaCl, KCl, K2Ca2(SO4)3 | Cr2O3 Cr2O3 |
Table1show that addition of sludge to the fuel decreases the amount of alkali, heavy metals, and chlorine for 16Mo3 and 310s steel. Substances like silicon, aluminum, phosphorus, and oxygen are instead increasing with sludge addition.
Table 2 It can be seen that the main oxides detected in all samples are iron oxides while the deposit composition varies somewhat with 16Mo3 and 310s steel material. For the 310S stainless steel samples also indications of chromia are found.
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