ZA795389B - Method of manufacturing hydraulic cements based on portland clinker and residual calcium sulphate - Google Patents
Method of manufacturing hydraulic cements based on portland clinker and residual calcium sulphateInfo
- Publication number
- ZA795389B ZA795389B ZA00795389A ZA795389A ZA795389B ZA 795389 B ZA795389 B ZA 795389B ZA 00795389 A ZA00795389 A ZA 00795389A ZA 795389 A ZA795389 A ZA 795389A ZA 795389 B ZA795389 B ZA 795389B
- Authority
- ZA
- South Africa
- Prior art keywords
- calcium sulphate
- grinding
- clinker
- residual calcium
- portland clinker
- Prior art date
Links
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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Disintegrating Or Milling (AREA)
Abstract
1. A method of manufacturing hydraulic cement based on Portland clinker and residual calcium sulphate characterized in that mixing of the clinker and the residual calcium sulphate is effected : - by simply mixing said components after grinding of the clinker until the degree of fineness of the desired cement is obtained, and optionally grinding the residual calcium sulphate separately ; or - by limited co-grinding of said components, which comprises deferred introduction of the calcium sulphate in the course of grinding of the clinker alone, so as to effect co-grinding thereof for a limited period of time, said period of time being at least equal to that required to produce a homogeneous mixture but being less than the grinding time required to grind the clinker to the degree of fineness of the desired cement.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7829586A FR2438633A1 (en) | 1978-10-10 | 1978-10-10 | PROCESS FOR THE MANUFACTURE OF HYDRAULIC CEMENTS BASED ON CLINKER PORTLAND AND RESIDUAL CALCIUM SULFATE |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA795389B true ZA795389B (en) | 1980-10-29 |
Family
ID=9213845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00795389A ZA795389B (en) | 1978-10-10 | 1979-10-09 | Method of manufacturing hydraulic cements based on portland clinker and residual calcium sulphate |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0010027B1 (en) |
AT (1) | ATE814T1 (en) |
BR (1) | BR7906504A (en) |
DE (1) | DE2962457D1 (en) |
ES (1) | ES484840A1 (en) |
FR (1) | FR2438633A1 (en) |
GR (1) | GR72527B (en) |
MA (1) | MA18608A1 (en) |
ZA (1) | ZA795389B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3038457C2 (en) * | 1980-10-11 | 1983-11-10 | L. & C. Steinmüller GmbH, 5270 Gummersbach | Use of a waste product from dry flue gas desulphurisation for the production of fly ash cement |
ES2036129B1 (en) * | 1991-07-25 | 1994-04-01 | Compania Internacional De Inve | HIGH MECHANICAL AND CHEMICAL RESISTANCE CEMENT COMPOSITION AND PROCEDURE FOR ITS PREPARATION. |
DE4335723C2 (en) * | 1993-03-27 | 1996-05-30 | Ruedersdorfer Zement Gmbh | Process for making a binder and using a continuous tube mill to carry out the process |
DE19647484A1 (en) * | 1996-11-16 | 1998-05-20 | Deutz Ag | Cement manufacturing process with reduced costs |
RU2542063C1 (en) * | 2013-10-22 | 2015-02-20 | Общество с ограниченной ответственностью "ЛУКОЙЛ-Инжиниринг" (ООО "ЛУКОЙЛ-Инжиниринг") | Grouting composition for insulation of zones of intensive absorption |
CN109795995B (en) * | 2019-04-04 | 2021-02-05 | 华东理工大学 | Method for efficiently removing impurities from phosphoric acid by hydrochloric acid wet process |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB247097A (en) * | 1925-08-22 | 1926-02-11 | Martin Lantz | Improvements in or relating to the manufacture of cement |
GB260447A (en) * | 1926-01-04 | 1926-11-04 | Carl Pontoppidan | Process for the production of cement mixed with gypsum |
FR2184222A5 (en) * | 1972-05-12 | 1973-12-21 | Lafarge Ciments Sa | Heavy cement compsns - for road foundation and soil consolidation contg a retarden |
JPS5143040B2 (en) * | 1972-05-19 | 1976-11-19 |
-
1978
- 1978-10-10 FR FR7829586A patent/FR2438633A1/en active Granted
-
1979
- 1979-09-19 AT AT79400664T patent/ATE814T1/en not_active IP Right Cessation
- 1979-09-19 EP EP79400664A patent/EP0010027B1/en not_active Expired
- 1979-09-19 DE DE7979400664T patent/DE2962457D1/en not_active Expired
- 1979-10-08 GR GR60212A patent/GR72527B/el unknown
- 1979-10-09 ZA ZA00795389A patent/ZA795389B/en unknown
- 1979-10-09 BR BR7906504A patent/BR7906504A/en unknown
- 1979-10-09 ES ES484840A patent/ES484840A1/en not_active Expired
- 1979-10-09 MA MA18808A patent/MA18608A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
FR2438633B1 (en) | 1982-04-02 |
EP0010027A1 (en) | 1980-04-16 |
FR2438633A1 (en) | 1980-05-09 |
GR72527B (en) | 1983-11-16 |
EP0010027B1 (en) | 1982-04-07 |
ATE814T1 (en) | 1982-04-15 |
DE2962457D1 (en) | 1982-05-19 |
BR7906504A (en) | 1980-06-24 |
ES484840A1 (en) | 1980-06-16 |
MA18608A1 (en) | 1980-07-01 |
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