DE2142350A1 - Verfahren zur Reduzierung des Alkali Anteils von Zementklinker - Google Patents
Verfahren zur Reduzierung des Alkali Anteils von ZementklinkerInfo
- Publication number
- DE2142350A1 DE2142350A1 DE19712142350 DE2142350A DE2142350A1 DE 2142350 A1 DE2142350 A1 DE 2142350A1 DE 19712142350 DE19712142350 DE 19712142350 DE 2142350 A DE2142350 A DE 2142350A DE 2142350 A1 DE2142350 A1 DE 2142350A1
- Authority
- DE
- Germany
- Prior art keywords
- washed
- water
- cement
- clinker
- mill
- 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.)
- Pending
Links
- 239000004568 cement Substances 0.000 title claims description 31
- 239000003513 alkali Substances 0.000 title claims description 25
- 238000000034 method Methods 0.000 title claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 238000005406 washing Methods 0.000 claims description 14
- 239000000126 substance Substances 0.000 claims description 9
- 238000000227 grinding Methods 0.000 claims description 8
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000010304 firing Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 150000001447 alkali salts Chemical class 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 239000012065 filter cake Substances 0.000 claims description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims 1
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 claims 1
- 239000013065 commercial product Substances 0.000 claims 1
- 159000000011 group IA salts Chemical class 0.000 claims 1
- 239000011507 gypsum plaster Substances 0.000 claims 1
- 238000002156 mixing Methods 0.000 claims 1
- 230000000979 retarding effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 241000863032 Trieres Species 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/60—Methods for eliminating alkali metals or compounds thereof, e.g. from the raw materials or during the burning process; methods for eliminating other harmful components
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/48—Clinker treatment
- C04B7/52—Grinding ; After-treatment of ground cement
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Public Health (AREA)
- Toxicology (AREA)
- Processing Of Solid Wastes (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO324570A NO130003B (enExample) | 1970-08-26 | 1970-08-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2142350A1 true DE2142350A1 (de) | 1972-03-02 |
Family
ID=19879477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712142350 Pending DE2142350A1 (de) | 1970-08-26 | 1971-08-24 | Verfahren zur Reduzierung des Alkali Anteils von Zementklinker |
Country Status (10)
| Country | Link |
|---|---|
| BE (1) | BE771771A (enExample) |
| DE (1) | DE2142350A1 (enExample) |
| FI (1) | FI53698C (enExample) |
| FR (1) | FR2104494A5 (enExample) |
| GB (1) | GB1368092A (enExample) |
| IT (1) | IT939355B (enExample) |
| LU (1) | LU63771A1 (enExample) |
| NL (1) | NL7111796A (enExample) |
| NO (1) | NO130003B (enExample) |
| SE (1) | SE394665B (enExample) |
-
1970
- 1970-08-26 NO NO324570A patent/NO130003B/no unknown
-
1971
- 1971-08-10 SE SE1019071A patent/SE394665B/xx unknown
- 1971-08-13 FI FI2272/71A patent/FI53698C/fi active
- 1971-08-18 FR FR7130130A patent/FR2104494A5/fr not_active Expired
- 1971-08-24 DE DE19712142350 patent/DE2142350A1/de active Pending
- 1971-08-24 LU LU63771D patent/LU63771A1/xx unknown
- 1971-08-24 IT IT5244471A patent/IT939355B/it active
- 1971-08-25 BE BE771771A patent/BE771771A/xx unknown
- 1971-08-26 NL NL7111796A patent/NL7111796A/xx unknown
- 1971-08-26 GB GB3694271A patent/GB1368092A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1368092A (en) | 1974-09-25 |
| SE394665B (sv) | 1977-07-04 |
| LU63771A1 (enExample) | 1972-01-05 |
| FI53698C (fi) | 1978-07-10 |
| NL7111796A (enExample) | 1972-02-29 |
| IT939355B (it) | 1973-02-10 |
| FR2104494A5 (enExample) | 1972-04-14 |
| FI53698B (enExample) | 1978-03-31 |
| NO130003B (enExample) | 1974-06-24 |
| BE771771A (fr) | 1971-12-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHA | Expiration of time for request for examination |