BE468218A - - Google Patents
Info
- Publication number
- BE468218A BE468218A BE468218DA BE468218A BE 468218 A BE468218 A BE 468218A BE 468218D A BE468218D A BE 468218DA BE 468218 A BE468218 A BE 468218A
- Authority
- BE
- Belgium
- Prior art keywords
- bath
- salts
- salt
- molten
- quenching
- Prior art date
Links
- 150000003839 salts Chemical class 0.000 claims description 112
- 238000010791 quenching Methods 0.000 claims description 72
- 238000010438 heat treatment Methods 0.000 claims description 39
- 230000000171 quenching effect Effects 0.000 claims description 36
- 239000007788 liquid Substances 0.000 claims description 21
- 239000002244 precipitate Substances 0.000 claims description 19
- 239000007787 solid Substances 0.000 claims description 17
- 238000000926 separation method Methods 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 7
- 238000005119 centrifugation Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 238000011109 contamination Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 5
- 239000010802 sludge Substances 0.000 claims description 5
- 239000002002 slurry Substances 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 3
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical class [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 150000002826 nitrites Chemical class 0.000 claims description 2
- 235000011164 potassium chloride Nutrition 0.000 claims description 2
- 238000005496 tempering Methods 0.000 claims description 2
- 238000007669 thermal treatment Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 13
- 238000000151 deposition Methods 0.000 claims 2
- 238000001556 precipitation Methods 0.000 claims 2
- 230000008569 process Effects 0.000 claims 2
- 230000009467 reduction Effects 0.000 claims 2
- 230000009466 transformation Effects 0.000 claims 2
- 229910002651 NO3 Inorganic materials 0.000 claims 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 150000003841 chloride salts Chemical class 0.000 claims 1
- 238000012423 maintenance Methods 0.000 claims 1
- 235000002639 sodium chloride Nutrition 0.000 description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000011440 grout Substances 0.000 description 5
- 238000000746 purification Methods 0.000 description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 241000239290 Araneae Species 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 description 1
- 229910001626 barium chloride Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- 238000011403 purification operation Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000011833 salt mixture Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C21D1/44—Methods of heating in heat-treatment baths
- C21D1/46—Salt baths
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
- C21D1/607—Molten salts
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Centrifugal Separators (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE468218A true BE468218A (OSRAM) |
Family
ID=119027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE468218D BE468218A (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE468218A (OSRAM) |
-
0
- BE BE468218D patent/BE468218A/fr unknown
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