RU1768545C - Method of binding agent preparation - Google Patents
Method of binding agent preparationInfo
- Publication number
- RU1768545C RU1768545C SU904838496A SU4838496A RU1768545C RU 1768545 C RU1768545 C RU 1768545C SU 904838496 A SU904838496 A SU 904838496A SU 4838496 A SU4838496 A SU 4838496A RU 1768545 C RU1768545 C RU 1768545C
- Authority
- RU
- Russia
- Prior art keywords
- mixing
- temperature
- cement
- structural viscosity
- portland cement
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 11
- 239000011230 binding agent Substances 0.000 title claims description 3
- 238000002360 preparation method Methods 0.000 title abstract 2
- 238000002156 mixing Methods 0.000 claims abstract description 13
- 239000004568 cement Substances 0.000 claims abstract description 12
- 239000011398 Portland cement Substances 0.000 claims abstract description 8
- 238000000227 grinding Methods 0.000 claims abstract description 8
- 229910021538 borax Inorganic materials 0.000 claims abstract description 5
- UQGFMSUEHSUPRD-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound [Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 UQGFMSUEHSUPRD-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000012530 fluid Substances 0.000 claims abstract description 5
- 235000010339 sodium tetraborate Nutrition 0.000 claims abstract description 5
- 239000004328 sodium tetraborate Substances 0.000 claims abstract description 5
- 239000000654 additive Substances 0.000 claims abstract description 4
- 239000004575 stone Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 230000000996 additive effect Effects 0.000 claims abstract description 3
- 239000007788 liquid Substances 0.000 claims abstract 2
- 239000004115 Sodium Silicate Substances 0.000 claims description 3
- 229910052910 alkali metal silicate Inorganic materials 0.000 claims description 3
- 235000019795 sodium metasilicate Nutrition 0.000 claims description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 3
- 239000000203 mixture Substances 0.000 abstract description 4
- 239000004566 building material Substances 0.000 abstract description 2
- 238000003756 stirring Methods 0.000 abstract 1
- 239000002969 artificial stone Substances 0.000 description 3
- 229920001732 Lignosulfonate Polymers 0.000 description 2
- 208000003251 Pruritus Diseases 0.000 description 1
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 1
- 150000008041 alkali metal carbonates Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007803 itching Effects 0.000 description 1
- 235000019357 lignosulphonate Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 239000000126 substance Substances 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
- 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
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
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)
Abstract
Используетс в промышленности строительных материалов. Способ получени в жущего включает помол портландцементного клинкера с последующим введением жидкости затворени , содержащей добавку метаси- ликота и тетрабората натри при их соотношении 2,3:1,0-3,0:1,0, котооые раствор ют в воде при температуре 45-55°С и довод т жидкость затворени до плотности 1150-1250 кг/м3 при температуре 18-22°С и перемешивание смеси в течение 8-12 мин. Структурна в зкость цементного теста 4,1- 4,6 Па с, прочность сцеплени с затвердевшим цементным камнем 41,2-67,1 МПа/см .Used in the building materials industry. The preparation method involves grinding Portland cement clinker, followed by the introduction of a mixing fluid containing an additive of metasilicon and sodium tetraborate at a ratio of 2.3: 1.0-3.0: 1.0, which are dissolved in water at a temperature of 45- 55 ° C and the mixing liquid was adjusted to a density of 1150-1250 kg / m3 at a temperature of 18-22 ° C and stirring the mixture for 8-12 minutes. The structural viscosity of the cement paste is 4.1-4.6 Pa s, the adhesion strength to the hardened cement stone is 41.2-67.1 MPa / cm.
Description
Изобретение относитс к технологии получени в жущих материалов и может быть использовано в промышленности строительных материалов.The invention relates to a technology for the production of cementitious materials and can be used in the building materials industry.
Известен способ получени в жущего, включающий помол портландцементного клинкера, приготовление раствора затворени , содержащего лигносульфонат щелочного или щелочноземельного металла, или сульфированного лигнина в количестве 0,10.,.0,25% от массы клинкера и 0,25...1,25% карбоната щелочного металла, и затворение продукта помола полученным раствором.There is a known method of producing cement, including grinding Portland cement clinker, preparing a mixing solution containing alkaline or alkaline earth metal lignosulfonate or sulfonated lignin in an amount of 0.10.,. 0.25% by weight of clinker and 0.25 ... 1.25 % alkali metal carbonate, and mixing the grinding product with the resulting solution.
Недостатком этого способа вл етс высока структурна в зкость теста и низка адгези получаемых в жущих к затвердевшему искусственному камню на основе в жущего.The disadvantage of this method is the high structural viscosity of the dough and the low adhesion obtained in the cementitious to the hardened artificial base stone.
Наиболее близким по технической сущности и достигаемому результату вл етс способ получени в жущего путем помола портландцементного клинкера до удельнойThe closest in technical essence and the achieved result is a method of obtaining cement by grinding Portland cement clinker to specific
поверхности Зуд. 500...600 м /кг, введение в воду затворени 0,4...1,0% силиката щелочного металла, 1,0...2,0% сульфитно- дрожжевой бражки и затворение полученным раствором продукта помола.surface itching. 500 ... 600 m / kg, introducing 0.4 ... 1.0% alkali metal silicate into the mixing water, 1.0 ... 2.0% sulphite-yeast mash and mixing with the obtained grinding product solution.
Недостатком известного способа вл етс низка адгези к затвердевшему искусственному камню на основе в жущего и повышенна структурна в зкость цементного теста.A disadvantage of the known method is the low adhesion to hardened artificial stone based on a cementitious and increased structural viscosity of cement paste.
Цель изобретени - снижение структурной в зкости цементного теста и повышение его адгезии к искусственному камню из уже затвердевшего цементного раствора.The purpose of the invention is to reduce the structural viscosity of cement paste and increase its adhesion to artificial stone from an already hardened cement mortar.
Поставленна цель достигаетс тем, что за вл емый способ включает помол портландцементного клинкера с последующим введением жидкости затворени , содержащей добавку метасиликата и тетрабората натри при их соотношении 2,3:1,0...3,0:1,0, и перемешивание смеси в течение 8-12 мин. Добавки раствор ют при температуре 45елThe goal is achieved by the fact that the claimed method involves grinding Portland cement clinker, followed by the introduction of a mixing fluid containing an additive of metasilicate and sodium tetraborate at a ratio of 2.3: 1.0 ... 3.0: 1.0, and mixing the mixture within 8-12 minutes Additives are dissolved at a temperature of 45el
СWITH
2 82 8
fefe
55°С и затем довод т раствор при температуре 18-22°С до плотности 1150-1250 кг/м3.55 ° C and then the solution is adjusted at a temperature of 18-22 ° C to a density of 1150-1250 kg / m3.
В качестве портландцементного клинкера использовали клинкер Белгородского цементного завода следующего химического состава, мас.%: Si02 2Г1...24; СаО 63...66; МдЬ 0,5.:. 4.7.8; РеО+Рв20з 2...4; RaO 0.4/..1: 5 ОзО,3.:.1ГТГ020 ;2..0,5, п.п.п. 1...2.5. При проведении испытаний использовали метасиликат натри по ГОСТ 4239-77 и тет- раборат натри по ГОСТ 8249-77.As a Portland cement clinker, the clinker of the Belgorod cement plant of the following chemical composition was used, wt.%: Si02 2Г1 ... 24; CaO 63 ... 66; Mb 0.5.:. 4.7.8; ReO + Rv20z 2 ... 4; RaO 0.4 / .. 1: 5 OzO, 3.:. 1 ГГТГ020; 2..0,5, pp 1 ... 2.5. During the tests, sodium metasilicate according to GOST 4239-77 and sodium tetraborate according to GOST 8249-77 were used.
Портландцементный клинкер подвергают помолу в шаровой мельнице до удельной поверхности, не менее 300 м /кг по прибору ПСХ-2.Portland cement clinker is subjected to grinding in a ball mill to a specific surface of at least 300 m / kg using a PSX-2 device.
Приготовление жидкости затворени осуществл ют путем растворени в воде при температуре 45...55°С смеси метасили- ката натри и тетрабората натри при их соотношении по массе 2,3:1,0...3,0:1,0 и последующего доведени раствора при температуре 18-22°С до плотности 1150...1250 кг/м.The mixing fluid is prepared by dissolving in water at a temperature of 45 ... 55 ° C a mixture of sodium metasilicate and sodium tetraborate with a weight ratio of 2.3: 1.0 ... 3.0: 1.0 and subsequent bringing the solution at a temperature of 18-22 ° C to a density of 1150 ... 1250 kg / m.
Молотый портландцементный клинкер затвор ют полученным раствором и формовочную массу перемешивают в течение 8- 12 мин,The ground Portland cement clinker is shut with the resulting solution and the molding material is mixed for 8-12 minutes,
Структурна в зкость цементного теста определ ли при помощи вибровискозиметра А.Е.Десова.The structural viscosity of the cement paste was determined using an A.E. Desov vibro-viscometer.
Адгезионные свойства, а именно прочность сцеплени с затвердевшим искусственным камнем, определ лась по известной методике.Adhesion properties, namely, adhesion to hardened artificial stone, were determined by a known method.
Определение сроков схватывани и активности в жущего, получаемого поза вл емого способу и по способу, описанному в прототипе, производилась в соответствие с ГОСТ 310.1-3.76 и ГОСТ 310.4-76.The determination of the setting time and the activity of the binder obtained by the present method and the method described in the prototype was carried out in accordance with GOST 310.1-3.76 and GOST 310.4-76.
Результаты испытаний приведены в таблице.The test results are shown in the table.
Результаты испытаний показывают, что в жущее приготовленное по предложенному способу, характеризуетс структурной в зкостью 4,1-4,6 Па-с, прочность сцепление с затвердевшим цементным камнемThe test results show that the cement prepared according to the proposed method is characterized by a structural viscosity of 4.1-4.6 Pa-s, adhesion strength to hardened cement stone
41,2-67,1 МПа/см2, тогда как у прототипа соответственно 5,8 Па с и 38,8 МПа/см .41.2-67.1 MPa / cm2, while the prototype has 5.8 Pa s and 38.8 MPa / cm, respectively.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU904838496A RU1768545C (en) | 1990-06-11 | 1990-06-11 | Method of binding agent preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU904838496A RU1768545C (en) | 1990-06-11 | 1990-06-11 | Method of binding agent preparation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RU1768545C true RU1768545C (en) | 1992-10-15 |
Family
ID=21520493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU904838496A RU1768545C (en) | 1990-06-11 | 1990-06-11 | Method of binding agent preparation |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU1768545C (en) |
-
1990
- 1990-06-11 RU SU904838496A patent/RU1768545C/en active
Non-Patent Citations (1)
| Title |
|---|
| Шестой международный конгресс по химии цемента, т.2, книга 2, М.: Стройиздат, 1976,с.ЗО. Авторское свидетельство СССР № 668908, кл. С 04 В 7/35, 1976. * |
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