PL205477B1 - The method of obtaining an expansive cement additive - Google Patents
The method of obtaining an expansive cement additiveInfo
- Publication number
- PL205477B1 PL205477B1 PL388604A PL38860405A PL205477B1 PL 205477 B1 PL205477 B1 PL 205477B1 PL 388604 A PL388604 A PL 388604A PL 38860405 A PL38860405 A PL 38860405A PL 205477 B1 PL205477 B1 PL 205477B1
- Authority
- PL
- Poland
- Prior art keywords
- calcium
- anhydrite
- additive
- weight
- expansive
- Prior art date
Links
- 239000000654 additive Substances 0.000 title claims description 19
- 230000000996 additive effect Effects 0.000 title claims description 15
- 238000000034 method Methods 0.000 title claims description 9
- 239000011405 expansive cement Substances 0.000 title claims description 5
- 229910052925 anhydrite Inorganic materials 0.000 claims description 16
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 16
- 229910052791 calcium Inorganic materials 0.000 claims description 15
- 239000011575 calcium Substances 0.000 claims description 15
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 15
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 11
- 239000000292 calcium oxide Substances 0.000 claims description 11
- 239000004568 cement Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 229910052602 gypsum Inorganic materials 0.000 claims description 4
- 239000010440 gypsum Substances 0.000 claims description 4
- 150000004645 aluminates Chemical class 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- -1 calcium aluminates Chemical class 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 2
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 2
- 239000000920 calcium hydroxide Substances 0.000 claims description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 2
- 238000010304 firing Methods 0.000 claims description 2
- 239000004571 lime Substances 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical class [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 230000036571 hydration Effects 0.000 description 4
- 238000006703 hydration reaction Methods 0.000 description 4
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 229910052586 apatite Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000010457 zeolite Substances 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 229910001514 alkali metal chloride Inorganic materials 0.000 description 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 1
- 229910001617 alkaline earth metal chloride Inorganic materials 0.000 description 1
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 229910001653 ettringite Inorganic materials 0.000 description 1
- 230000003100 immobilizing effect Effects 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 229910021381 transition metal chloride Inorganic materials 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Description
Opis wynalazkuDescription of the invention
Przedmiotem wynalazku jest sposób otrzymywania ekspansywnego dodatku do cementu , który znajduje zastosowanie do wytwarzania cementów ekspansywnych.The subject of the invention is a method for obtaining an expansive cement additive, which is used for the production of expansive cements.
Znany sposób otrzymywania dodatków szybkotwardniejącego, wysokowytrzymałościowego i ekspansywnego polega na wymieszaniu w odpowiedniej proporcji spieku zawierającego zwią zek Kleina lub faz glinianowych z gipsem i/lub anhydrytem oraz wodorotlenkiem i/lub tlenkiem wapniowym.The known method of obtaining fast-hardening, high-strength and expansive additives consists in mixing a sinter containing Klein compound or aluminate phases with gypsum and / or anhydrite and calcium hydroxide and / or oxide in an appropriate proportion.
Z polskiego zgł oszenia patentowego P-362281 znana jest kompozycja przeznaczona do stosowania jako dodatek do cementu, który dodaje się w celu wzmocnienia cementu. Dodatek ten zawiera chlorki metali alkalicznych, chlorki metali ziem alkalicznych i/lub chlorki metali przejściowych oraz tlenki wybrane z grupy obejmującej tlenki metali alkalicznych oraz tlenki metali ziem alkalicznych, tlenek glinu, krzemionkę apatyt i/lub zeolity oraz zawiera, w szczególności, połączenie chlorku sodu, chlorku amonu, chlorku glinu, chlorku potasu, chlorku wapnia, chlorku magnezu, tlenku magnezu, siarczanu magnezu, węglanu sodu, krzemionki, apatytu i/lub zeolitów. Dodatki tego typu mogą być stosowane, między innymi, do stabilizowania i/lub modyfikowania cementu; konsolidacji piasku i/lub gruntu, tak jak przy budowie dróg, kanałów, tuneli, fundamentów i tym podobnych, do unieruchamiania czynników zanieczyszczających środowisko, podczas wstrzykiwania kompozycji cementowych, tak jak podczas cementacji oraz do wytwarzania betonu.From the Polish patent application P-362281 a composition is known to be used as an additive to cement, which is added to strengthen the cement. The additive contains alkali metal chlorides, alkaline earth metal chlorides and / or transition metal chlorides and oxides selected from the group consisting of alkali metal oxides and alkaline earth metal oxides, alumina, silica, apatite and / or zeolites and contains, in particular, a combination of sodium chloride , ammonium chloride, aluminum chloride, potassium chloride, calcium chloride, magnesium chloride, magnesium oxide, magnesium sulfate, sodium carbonate, silica, apatite and / or zeolites. Additives of this type may be used, inter alia, to stabilize and / or modify cement; consolidation of sand and / or soil, such as in the construction of roads, canals, tunnels, foundations and the like, for immobilizing pollutants when injecting cementitious compositions, such as in cementing, and for making concrete.
Celem wynalazku jest otrzymanie dodatków do cementów portlandzkich pozwalających na wytworzenie cementów ekspansywnych oraz do specjalnych spoiw wiążących.The aim of the invention is to obtain additives for Portland cements allowing for the production of expansive cements and for special binding binders.
Istota wynalazku polega na tym, że dodatek do cementu, otrzymuje się przez zmieszanie zmielonego klinkieru glinowego, zawierającego gliniany wapniowe (CA) i (C12 A7) z komponentem anhydrytowo-wapniowym (CaSO4-CaO) o różnej proporcji CaSO4 do CaO, powstałym przez wypalenie w temperaturze 900 do 1180°C mieszaniny gipsu oraz surowca wapiennego w stosunku wymaganym dla ekspansywnego dodatku następnie schłodzenie nie szybciej niż 20°/min i zmielenie go do pozostałości na sicie 4900 oczek/cm2 wynoszącej 10% przy czym dla dodatku ekspansywnego ilość fazy CA wynosi 19-26% wagowych, a komponentu anhydrytowo-wapniowego wynosi 74-81% wagowych. Komponent anhydrytowo-wapniowy 66-76% CaSO4 i 24-34% wag. CaO.The essence of the invention is that the cement additive is obtained by mixing ground aluminum clinker containing calcium aluminates (CA) and (C12 A7) with the calcium anhydrite component (CaSO4-CaO) with a different ratio of CaSO4 to CaO, formed by burning at a temperature of 900 to 1180 ° C, a mixture of gypsum and lime raw material in the ratio required for the expansive additive, then cooling it not faster than 20 ° / min and grinding it to a residue on a sieve of 4900 mesh / cm 2 equal to 10%, while for the expansion additive the amount of CA phase is 19-26% by weight and the calcium anhydrite component is 74-81% by weight. Calcium anhydrite component 66-76% CaSO4 and 24-34% by weight CaO.
Zaletą sposobu według wynalazku jest możliwość otrzymania dodatków, dzięki którym w procesie hydratacji powstają ettryngity o różnej morfologii i w różnym czasie, w zależności od proporcji CaSO4 do CaO w anhydrytowo-wapniowych komponentach i proporcji tych komponentów do fazy CA co pozwala na otrzymanie cementów ekspansywnych.The advantage of the method according to the invention is the possibility of obtaining additives, thanks to which, in the hydration process, ettringites of different morphology and at different times are formed, depending on the ratio of CaSO4 to CaO in the calcium anhydrite components and the proportion of these components to the CA phase, which allows to obtain expansion cements.
P r z y k ł a dP r z k ł a d
W celu otrzymania dodatku ekspansywnego zmieszano zmielony klinkier glinowy o zawartoś ci 60% AI2O3 i powierzchni właściwej 3500 cm2/g w ilości 28% wagowych ze zmielonym komponentem anhydrytowo-wapniowym w ilości 72% wagowych o pozostałości na sicie 4900 oczek/cm2 wynoszącej 10%. Komponent ten zawiera 71,6% wagowych CaSO4 i 28,4% wagowych CaO i otrzymuje się go przez wypalenie w temperaturze 1160°C w czasie 1 godziny mieszaniny składającej się z reagipsu w iloś ci 63,8% wagowych oraz kamienia wapiennego w iloś ci 36,2% wag. a, nastę pnie schł odzenie z szybkoś cią 20° na minutę .In order to obtain the expansive additive, ground aluminum clinker with a content of 60% Al2O3 and a specific surface area of 3500 cm 2 / g in the amount of 28% by weight was mixed with the ground calcium anhydrite component in the amount of 72% by weight with a sieve residue of 4900 mesh / cm 2 of 10% . This component contains 71.6% by weight of CaSO4 and 28.4% by weight of CaO and is obtained by firing at a temperature of 1160 ° C for 1 hour of a mixture consisting of 63.8% by weight of reagip and limestone in the amount of 36.2 wt.% a, followed by cooling at a rate of 20 ° per minute.
W procesie hydratacji cementu portlandzkiego w kompozycji z dodatkiem ekspansywnym, ettryngit powstaje między trzecim a siódmym dniem hydratacji i ma strukturę drobnokrystalicznych i koloidalnych skupień . Dodatek ekspansywny poddany badaniom rozszerzalnoś ci liniowej charakteryzuje się ekspansją swobodną wynoszącą 15% po 2 dniach hydratacji w atmosferze o wilgotności 98%.In the process of hydration of Portland cement in a composition with an expansive additive, ettringite is formed between the third and seventh day of hydration and has a structure of fine crystalline and colloidal aggregates. The expansive additive subjected to the linear expansion tests is characterized by a free expansion of 15% after 2 days of hydration in an atmosphere with a humidity of 98%.
Zakresy proporcji w procentach wagowych komponentów anhydrytowo-wapniowych z fazą glinianową CA(CaOAI2O3) dla dodatku zilustrowano na trójskładnikowym diagramie CA - CaSO4 - CaO (rys).The ranges of percentages by weight of the calcium anhydrite components with the CA aluminate phase (CaOAI 2 O 3 ) for the additive are illustrated in the CA - CaSO 4 - CaO ternary diagram (fig).
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL388604A PL205477B1 (en) | 2005-04-25 | 2005-04-25 | The method of obtaining an expansive cement additive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL388604A PL205477B1 (en) | 2005-04-25 | 2005-04-25 | The method of obtaining an expansive cement additive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL205477B1 true PL205477B1 (en) | 2010-04-30 |
Family
ID=42989872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL388604A PL205477B1 (en) | 2005-04-25 | 2005-04-25 | The method of obtaining an expansive cement additive |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL205477B1 (en) |
-
2005
- 2005-04-25 PL PL388604A patent/PL205477B1/en unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Aïtcin | Portland cement | |
| RU2547866C2 (en) | Additive for hydraulic binding material based on clinker from belite and calcium sulphoaluminate-ferrite | |
| JP3558730B2 (en) | Crystalline highly hydrated active substance, cement admixture using the same, and method for accelerating hardening of concrete | |
| CA2597569C (en) | Hydraulic binder | |
| PL202466B1 (en) | Non−efflorescing cementitious bodies | |
| JP5962836B2 (en) | Rapid hardening additive for cement and method for producing the same | |
| DK2935146T3 (en) | Hardened cement MATERIAL BASED ON HYDRAULIC BINDERS FOR USE AT LOW TEMPERATURES | |
| US20140144350A1 (en) | Hydraulic binder | |
| JP7044996B2 (en) | Hard additive for cement and its manufacturing method | |
| JP5577651B2 (en) | Rapid hardening cement | |
| JP7037879B2 (en) | Early-strength admixture for secondary products and early-strength concrete for secondary products | |
| JP6801699B2 (en) | Fast-hardening admixture for cement, its manufacturing method and quick-hardening cement composition | |
| KR100464819B1 (en) | An ultra-rapid setting inorganic binder compound based of alkali-activated alumino-silicate | |
| JP6900761B2 (en) | Cement mortar / concrete composition and its manufacturing method | |
| JPH0149657B2 (en) | ||
| JP7136296B2 (en) | Cement composition and its manufacturing method | |
| PL205477B1 (en) | The method of obtaining an expansive cement additive | |
| US4019917A (en) | Early strength cements | |
| DK2664597T3 (en) | Binder blend and dry mortar composition | |
| PL205474B1 (en) | Method for obtaining a high-strength cement additive | |
| JP6907669B2 (en) | Cement mortar / concrete composition and its manufacturing method | |
| JP7251505B2 (en) | Fast-hardening cement additive, method for producing the same, and fast-hardening cement composition using the additive | |
| JPH11130499A (en) | Cement composition for spraying material and spraying method | |
| JP7755367B2 (en) | Expansive admixture | |
| JP7437211B2 (en) | Cement solidifying material |