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RU2334715C1 - Raw mix for manufacturing plaster brick - Google Patents

Raw mix for manufacturing plaster brick Download PDF

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Publication number
RU2334715C1
RU2334715C1 RU2007108192A RU2007108192A RU2334715C1 RU 2334715 C1 RU2334715 C1 RU 2334715C1 RU 2007108192 A RU2007108192 A RU 2007108192A RU 2007108192 A RU2007108192 A RU 2007108192A RU 2334715 C1 RU2334715 C1 RU 2334715C1
Authority
RU
Russia
Prior art keywords
water
sawdust
phosphogypsum
raw mix
mixed
Prior art date
Application number
RU2007108192A
Other languages
Russian (ru)
Inventor
Юли Алексеевна Щепочкина (RU)
Юлия Алексеевна Щепочкина
Original Assignee
Юлия Алексеевна Щепочкина
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Юлия Алексеевна Щепочкина filed Critical Юлия Алексеевна Щепочкина
Priority to RU2007108192A priority Critical patent/RU2334715C1/en
Application granted granted Critical
Publication of RU2334715C1 publication Critical patent/RU2334715C1/en

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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
    • C04B28/14—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 calcium sulfate cements
    • C04B28/142—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 calcium sulfate cements containing synthetic or waste calcium sulfate cements
    • C04B28/143—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 calcium sulfate cements containing synthetic or waste calcium sulfate cements the synthetic calcium sulfate being phosphogypsum
    • 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
    • C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
    • C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

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

FIELD: building.
SUBSTANCE: raw mix contains in mass %: phosphogypsum 37-42; sand quartz 12-18; water 23-26; woody sawdust 20-22. Phosphogypsum and sand quartz are mixed in the mixing machine, and then sawdust and water are added and mixed again one more time.
EFFECT: decrease in heat conductivity of a plaster brick.
1 tbl

Description

Изобретение относится к области производства строительных материалов на основе фосфогипсового вяжущего.The invention relates to the production of building materials based on phosphogypsum binder.

Известна сырьевая смесь для изготовления гипсового кирпича, содержащая, кг: фосфогипсовое вяжущее 550; кварцевый песок 360; вода 350 [1]. Теплопроводность изделий, полученных из такой смеси, составляет 0,58-0,87 Вт/(м·К).Known raw mix for the manufacture of gypsum bricks, containing, kg: phosphogypsum binder 550; 360 quartz sand; water 350 [1]. The thermal conductivity of products obtained from such a mixture is 0.58-0.87 W / (m · K).

Задача изобретения состоит в снижении теплопроводности гипсового кирпича.The objective of the invention is to reduce the thermal conductivity of gypsum brick.

Технический результат достигается тем, что сырьевая смесь для изготовления гипсового кирпича, включающая фосфогипсовое вяжущее, песок кварцевый, воду, дополнительно содержит древесные опилки, предварительно вымоченные в течение 1-5 сут в воде при температуре 15-20°С, при следующем соотношении компонентов, мас.%: фосфогипсовое вяжущее 37-42; песок кварцевый 12-18; вода 23-26; древесные опилки 20-22.The technical result is achieved by the fact that the raw material mixture for the manufacture of gypsum bricks, including phosphogypsum binder, silica sand, water, additionally contains sawdust pre-soaked for 1-5 days in water at a temperature of 15-20 ° C, in the following ratio of components, wt.%: phosphogypsum binder 37-42; quartz sand 12-18; water 23-26; sawdust 20-22.

В таблице приведены примерные составы смеси.The table shows approximate compositions of the mixture.

Для приготовления сырьевой смеси могут быть использованы древесные опилки, полученные при обработке любых (хвойных, лиственных) пород древесины. Опилки просеивают через сетку №5, заливают водопроводной водой и вымачивают в течение 1-5 сут при температуре 15-20°С. Затем опилки отжимают (воду, оставшуюся в опилках, учитывают при дозировании компонентов). Фосфогипсовое вяжущее и песок кварцевый перемешивают в смесителе, затем добавляют опилки и воду (температура 15-20°С), еще раз перемешивают. Из полученной смеси на гидравлическом прессе формуют кирпич. Отформованные изделия выдерживают в течение 1-5 ч при температуре 15-20°С и упаковывают в полиэтиленовую пленку.To prepare the raw material mixture, sawdust obtained by processing any (coniferous, deciduous) wood species can be used. Sawdust is sieved through mesh No. 5, poured with tap water and soaked for 1-5 days at a temperature of 15-20 ° C. Then the sawdust is squeezed out (the water remaining in the sawdust is taken into account when dosing the components). Phosphogypsum binder and silica sand are mixed in a mixer, then sawdust and water are added (temperature 15-20 ° С), mixed again. A brick is formed on the hydraulic press from the resulting mixture. Molded products are incubated for 1-5 hours at a temperature of 15-20 ° C and packaged in a plastic film.

КомпонентыComponents Содержание, мас.%:Content, wt.%: состав №1composition No. 1 состав №2composition No. 2 состав №3composition No. 3 Фосфогипсовое вяжущееPhosphogypsum binder 4242 39,539.5 3737 Песок кварцевыйQuartz sand 1212 15fifteen 18eighteen ВодаWater 2626 24,524.5 2323 Древесные опилкиSawdust 20twenty 2121 2222 Теплопроводность гипсового кирпича, Вт/(мК)Thermal conductivity of gypsum brick, W / (mK) 0,5-0,520.5-0.52 0,5-0,520.5-0.52 0,5-0,520.5-0.52

Источник информацииThe source of information

1. Воробьев Х.С. Гипсовые вяжущие и изделия: (Зарубежный опыт). - М.: Стройиздат, 1983. - С.172.1. Vorobyov H.S. Plaster binders and products: (Foreign experience). - M .: Stroyizdat, 1983. - P.172.

Claims (1)

Сырьевая смесь для изготовления гипсового кирпича, включающая фосфогипсовое вяжущее, песок кварцевый, воду, отличающаяся тем, что дополнительно содержит древесные опилки, предварительно вымоченные в течение 1-5 сут. в воде при температуре 15-20°С, при следующем соотношении компонентов, мас.%:The raw material mixture for the manufacture of gypsum bricks, including phosphogypsum binder, quartz sand, water, characterized in that it further contains sawdust pre-soaked for 1-5 days. in water at a temperature of 15-20 ° C, with the following ratio of components, wt.%: фосфогипсовое вяжущееphosphogypsum binder 37-4237-42 песок кварцевыйquartz sand 12-1812-18 водаwater 23-2623-26 древесные опилкиsawdust 20-22,20-22,
причем фосфогипсовое вяжущее и песок кварцевый перемешивают в смесителе, а затем добавляют опилки и воду и еще раз перемешивают.moreover, a phosphogypsum binder and silica sand are mixed in a mixer, and then sawdust and water are added and mixed again.
RU2007108192A 2007-03-05 2007-03-05 Raw mix for manufacturing plaster brick RU2334715C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
RU2007108192A RU2334715C1 (en) 2007-03-05 2007-03-05 Raw mix for manufacturing plaster brick

Publications (1)

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RU2334715C1 true RU2334715C1 (en) 2008-09-27

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2417181C1 (en) * 2009-12-21 2011-04-27 Юлия Алексеевна Щепочкина Crude mixture for making gypsum brick
RU2430051C1 (en) * 2010-05-20 2011-09-27 Юлия Алексеевна Щепочкина Raw mix for gypsum brick production
RU2470892C1 (en) * 2011-08-31 2012-12-27 Юлия Алексеевна Щепочкина Crude mixture for making gypsum brick
RU2486151C1 (en) * 2012-02-09 2013-06-27 Юлия Алексеевна Щепочкина Crude mixture for making gypsum brick
CN109704712A (en) * 2019-03-13 2019-05-03 中南大学 A method for reducing phosphorus pollution in phosphogypsum filling process by utilizing modified quartz sand
CN111635209A (en) * 2020-06-16 2020-09-08 荆门市意祥机械有限公司 Calcination-free phosphogypsum brick and manufacturing method thereof
CN111747720A (en) * 2020-07-27 2020-10-09 贵州中建建筑科研设计院有限公司 Phosphogypsum-based mixed mortar wall spraying process

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3117662A1 (en) * 1981-05-05 1982-11-25 Heinrich 4350 Recklinghausen Quante Production of gypsum stone and gypsum sandstone
US4799961A (en) * 1986-08-19 1989-01-24 Friberg Walter R Cementuous fiber impregnated construction composition and process for formation thereof
CN1050533A (en) * 1990-10-06 1991-04-10 姚富成 Non-steaming silicate brick and method for making thereof
SU1735218A1 (en) * 1990-04-26 1992-05-23 Минский научно-исследовательский институт строительных материалов Raw mixture for manufacture of structural products
SU1754690A1 (en) * 1990-11-11 1992-08-15 Белорусский Политехнический Институт Stock for manufacturing construction products
CN1251875A (en) * 1998-10-15 2000-05-03 周先悦 Gypsum wall brick and its production technology
KR20020092332A (en) * 2002-11-16 2002-12-11 서양섭 Korean Hypocaust and Mortar With Increased Strength Made From Korean Loess, and The Preparation Method Thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3117662A1 (en) * 1981-05-05 1982-11-25 Heinrich 4350 Recklinghausen Quante Production of gypsum stone and gypsum sandstone
US4799961A (en) * 1986-08-19 1989-01-24 Friberg Walter R Cementuous fiber impregnated construction composition and process for formation thereof
SU1735218A1 (en) * 1990-04-26 1992-05-23 Минский научно-исследовательский институт строительных материалов Raw mixture for manufacture of structural products
CN1050533A (en) * 1990-10-06 1991-04-10 姚富成 Non-steaming silicate brick and method for making thereof
SU1754690A1 (en) * 1990-11-11 1992-08-15 Белорусский Политехнический Институт Stock for manufacturing construction products
CN1251875A (en) * 1998-10-15 2000-05-03 周先悦 Gypsum wall brick and its production technology
KR20020092332A (en) * 2002-11-16 2002-12-11 서양섭 Korean Hypocaust and Mortar With Increased Strength Made From Korean Loess, and The Preparation Method Thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ВОРОБЬЕВ Х.С. Гипсовые вяжущие и изделия (Зарубежный опыт). - М.: Стройиздат, 1983, с.172. *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2417181C1 (en) * 2009-12-21 2011-04-27 Юлия Алексеевна Щепочкина Crude mixture for making gypsum brick
RU2430051C1 (en) * 2010-05-20 2011-09-27 Юлия Алексеевна Щепочкина Raw mix for gypsum brick production
RU2470892C1 (en) * 2011-08-31 2012-12-27 Юлия Алексеевна Щепочкина Crude mixture for making gypsum brick
RU2486151C1 (en) * 2012-02-09 2013-06-27 Юлия Алексеевна Щепочкина Crude mixture for making gypsum brick
CN109704712A (en) * 2019-03-13 2019-05-03 中南大学 A method for reducing phosphorus pollution in phosphogypsum filling process by utilizing modified quartz sand
CN111635209A (en) * 2020-06-16 2020-09-08 荆门市意祥机械有限公司 Calcination-free phosphogypsum brick and manufacturing method thereof
CN111747720A (en) * 2020-07-27 2020-10-09 贵州中建建筑科研设计院有限公司 Phosphogypsum-based mixed mortar wall spraying process

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