RU2620509C1 - Method of producing aerated concrete - Google Patents

Method of producing aerated concrete Download PDF

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RU2620509C1
RU2620509C1 RU2016124047A RU2016124047A RU2620509C1 RU 2620509 C1 RU2620509 C1 RU 2620509C1 RU 2016124047 A RU2016124047 A RU 2016124047A RU 2016124047 A RU2016124047 A RU 2016124047A RU 2620509 C1 RU2620509 C1 RU 2620509C1
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carbonization
carried out
aerated concrete
carbon dioxide
chambers
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RU2016124047A
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Юлия Алексеевна Щепочкина
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Юлия Алексеевна Щепочкина
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    • 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
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02—Granular materials, e.g. microballoons
    • C04B14/04—Silica-rich materials; Silicates
    • C04B14/06—Quartz; Sand
    • 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
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02—Granular materials, e.g. microballoons
    • C04B14/26—Carbonates
    • C04B14/28—Carbonates of calcium
    • 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
    • C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
    • C04B22/02—Elements
    • C04B22/04—Metals, e.g. aluminium used as blowing agent
    • 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
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • 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
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
    • 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
    • C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • 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
    • C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C04B40/0082—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability making use of a rise in temperature, e.g. caused by an exothermic reaction
    • 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
    • C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C04B40/02—Selection of the hardening environment
    • C04B40/0231—Carbon dioxide hardening
    • C04B40/0236—Carbon dioxide post-treatment of already hardened material
    • 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
    • C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C04B40/02—Selection of the hardening environment
    • C04B40/0272—Hardening under vacuum or reduced pressure
    • 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
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/12—Waste materials; Refuse from quarries, mining or the like

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Civil Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mold Materials And Core Materials (AREA)

Abstract

FIELD: construction.
SUBSTANCE: in the method of manufacturing aerated concrete, including dosing and mixing of ground lime, quartz sand, limestone flour, aluminium powder, water, laying the resulting mixture into moulds, solidifying, extracting the mould, heat and moisture treatment, carbonization in carbon dioxide, quicklime, heat and moisture treatment of the massif is carried out in steam chambers, and its carbonization is carried out for 3 or 4 hours in a carbon dioxide medium in sealed chambers, and before carbonization of the massif on a lattice or mesh surfaces in the same sealed chambers are carried out by evacuation.
EFFECT: intensification of the process of carbonization of aerated concrete.
2 ex

Description

Изобретение относится к производству газобетонов, используемых в малоэтажном строительстве.The invention relates to the production of aerated concrete used in low-rise construction.

Известен способ изготовления газобетона, включающий дозирование и смешивание извести, молотого известняка, алюминиевой пудры, воды, укладку полученной смеси в формы, затвердевание, извлечение массива из форм, тепловлажностную обработку, карбонизацию в среде углекислого газа [1].A known method of manufacturing aerated concrete, including dosing and mixing lime, ground limestone, aluminum powder, water, laying the mixture into molds, solidification, extracting the mass from the molds, heat and moisture treatment, carbonization in a carbon dioxide environment [1].

Задача изобретения – интенсификация процесса карбонизации газобетона.The objective of the invention is the intensification of the process of carbonization of aerated concrete.

Технический результат достигается тем, что по способу изготовления газобетона, включающему дозирование и смешивание молотой извести, кварцевого песка, муки из известняка, алюминиевой пудры, воды, укладку полученной смеси в формы, затвердевание, извлечение массива из форм, тепловлажностную обработку, карбонизацию в среде углекислого газа, используют молотую негашеную известь, тепловлажностную обработку массива осуществляют в пропарочных камерах, а его карбонизацию - в течение 3 или 4 ч в среде углекислого газа в герметичных камерах, причем перед карбонизацией массива на решетчатых или сетчатых поверхностях в тех же герметичных камерах проводят его вакуумирование.The technical result is achieved by the fact that by the method of manufacturing aerated concrete, including dosing and mixing ground lime, quartz sand, flour from limestone, aluminum powder, water, laying the mixture into molds, hardening, removing the mass from the molds, heat and moisture treatment, carbonization in carbon dioxide gas, ground quicklime is used, the moisture and moisture treatment of the massif is carried out in steaming chambers, and its carbonization is carried out for 3 or 4 hours in a carbon dioxide medium in sealed chambers, m before carbonization of the array on lattice or mesh surfaces in the same sealed chambers carry out its evacuation.

Способ поясняется примером.The method is illustrated by an example.

1. Дозируют и смешивают сырьевые компоненты: молотая негашеная известь 31,2 кг, кварцевый песок 13,4 кг; молотая мука из известняка-ракушечника 10 кг; алюминиевая пудра 0,96 кг, вода 18,6 кг. Полученную смесь укладывают в металлические предварительно смазанные маслом формы (заполнение форм смесью осуществляют на 1/3 - 2/3 их объема). При этом массив должен вспучиться и заполнить весь объем форм, после чего его оставляют до затвердевания, извлекают из форм и подают на тепловлажностную обработку, которую проводят в пропарочных камерах при температуре 93°С в течение 18 часов. Массив после тепловлажностной обработки помещают в герметичные камеры для карбонизации и устанавливают на решетчатую поверхность, откачивают из камер воздух, при этом осуществляя вакуумирование массива. Затем подают в камеры углекислый газ и осуществляют карбонизацию массива в течение 4 ч. Готовый газобетон упаковывают в полиэтиленовую пленку и отправляют потребителю.1. Dose and mix the raw materials: ground quicklime 31.2 kg, quartz sand 13.4 kg; ground flour from limestone-shell rock 10 kg; aluminum powder 0.96 kg, water 18.6 kg. The resulting mixture is placed in metal pre-oiled forms (filling the forms with the mixture is carried out in 1/3 - 2/3 of their volume). In this case, the array should swell and fill the entire volume of the molds, after which it is left to solidify, removed from the molds and fed to the heat and humidity treatment, which is carried out in steaming chambers at a temperature of 93 ° C for 18 hours. The array after heat and moisture treatment is placed in airtight chambers for carbonization and installed on a lattice surface, air is pumped out of the chambers, while vacuuming the array. Then carbon dioxide is fed into the chambers and the array is carbonized for 4 hours. The finished aerated concrete is packed in a plastic film and sent to the consumer.

2. Дозируют и смешивают сырьевые компоненты: молотая негашеная известь 31,2 кг, кварцевый песок 10 кг; молотая мука из мраморовидного известняка 13,4 кг; алюминиевая пудра 0,96 кг, вода 18,6 кг. Полученную смесь укладывают в металлические предварительно смазанные маслом формы (заполнение форм смесью осуществляют на 1/3 - 2/3 их объема). При этом массив должен вспучиться и заполнить весь объем форм, после чего его оставляют до затвердевания, извлекают из форм и подают на тепловлажностную обработку, которую проводят в пропарочных камерах при температуре 97°С в течение 16 часов. Массив после тепловлажностной обработки помещают в герметичные камеры для карбонизации и устанавливают на сетчатую поверхность, откачивают из камер воздух при этом осуществляя вакуумирование массива. Затем подают в камеры углекислый газ и осуществляют карбонизацию массива в течение 3 ч. Готовый газобетон упаковывают в полиэтиленовую пленку и отправляют потребителю.2. Dose and mix the raw materials: ground quicklime 31.2 kg, silica sand 10 kg; ground flour of marble-like limestone 13.4 kg; aluminum powder 0.96 kg, water 18.6 kg. The resulting mixture is placed in metal pre-oiled forms (filling the forms with the mixture is carried out in 1/3 - 2/3 of their volume). In this case, the array should swell and fill the entire volume of the molds, after which it is left to solidify, removed from the molds and fed to the heat and moisture treatment, which is carried out in steaming chambers at a temperature of 97 ° C for 16 hours. The array after heat and moisture treatment is placed in airtight chambers for carbonization and installed on a mesh surface, air is pumped out of the chambers while vacuuming the array. Then carbon dioxide is fed into the chambers and the array is carbonized for 3 hours. The finished aerated concrete is packed in a plastic film and sent to the consumer.

За счет замещения удаленного из пор газобетонного массива воздуха углекислым газом интенсифицируется процесс карбонизации, в том числе в слоях, удаленных от поверхности.Due to the replacement of carbon dioxide mass of air removed from the pores with carbon dioxide, the carbonization process is intensified, including in layers far from the surface.

Источник информацииThe source of information

1. UA 67259, 2012.1. UA 67259, 2012.

Claims (1)

Способ изготовления газобетона, включающий дозирование и смешивание молотой извести, кварцевого песка, муки из известняка, алюминиевой пудры, воды, укладку полученной смеси в формы, затвердевание, извлечение массива из форм, тепловлажностную обработку, карбонизацию в среде углекислого газа, отличающийся тем, что используют молотую негашеную известь, тепловлажностную обработку массива осуществляют в пропарочных камерах, а его карбонизацию - в течение 3 или 4 ч в среде углекислого газа в герметичных камерах, причем перед карбонизацией массива на решетчатых или сетчатых поверхностях в тех же герметичных камерах проводят его вакуумирование.A method of manufacturing aerated concrete, including dosing and mixing ground lime, quartz sand, flour from limestone, aluminum powder, water, laying the mixture into molds, solidification, extracting the mass from the molds, heat and moisture treatment, carbonization in a carbon dioxide environment, characterized in that they use ground quicklime, heat and moisture treatment of the massif is carried out in steaming chambers, and its carbonization is carried out for 3 or 4 hours in a carbon dioxide medium in sealed chambers, and before mass carbonization willow on lattice or mesh surfaces in the same sealed chambers carry out its evacuation.
RU2016124047A 2016-06-16 2016-06-16 Method of producing aerated concrete RU2620509C1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2719804C1 (en) * 2019-03-20 2020-04-23 Федеральное государственное автономное образовательное учреждение высшего образования "Крымский федеральный университет имени В.И. Вернадского" Crude mixture for production of non-autoclave foam concrete
CN112518951A (en) * 2020-11-12 2021-03-19 利辛县亚升墙体材料有限公司 Production method of concrete building block
CN112811880A (en) * 2021-01-13 2021-05-18 山西大学 Preparation method of high-strength foamed concrete

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU316675A1 (en) * Л. Цимерманис, Б. Н. Бобкова, П. П. Гедеонов Б. Уткин METHOD OF DRYING CONSTRUCTION PRODUCTS
RU2137600C1 (en) * 1998-05-07 1999-09-20 Белгородская государственная технологическая академия строительных материалов Method for production of cellular concretes
UA67259U (en) * 2011-07-18 2012-02-10 Национальная Академия Природоохранного И Курортного Строительства Process for the production of porous gas concrete hardened in carbon dioxide medium
WO2014165252A1 (en) * 2013-03-13 2014-10-09 Solidia Technologies, Inc. Aerated composite materials, methods of production and uses thereof
RU151756U1 (en) * 2014-12-24 2015-04-10 Федеральное государственное автономное образовательное учреждение высшего образования "Крымский федеральный университет им. В.И. Вернадского" RAW MATERIAL MIXTURE FOR THE PRODUCTION OF CELLULAR GAS CONCRETE HARDING IN A CARBON-GAS MEDIA
RU2554613C1 (en) * 2014-03-14 2015-06-27 Общество с ограниченной ответственностью "Элгад-ЗСИ" Method for producing items of aerated concrete of autoclave hardening

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU316675A1 (en) * Л. Цимерманис, Б. Н. Бобкова, П. П. Гедеонов Б. Уткин METHOD OF DRYING CONSTRUCTION PRODUCTS
SU321378A1 (en) * Московский инженерно строительный институт В. В. Куйбышева METHOD OF MANUFACTURING PRODUCTS FROM CELLULAR CONCRETE
RU2137600C1 (en) * 1998-05-07 1999-09-20 Белгородская государственная технологическая академия строительных материалов Method for production of cellular concretes
UA67259U (en) * 2011-07-18 2012-02-10 Национальная Академия Природоохранного И Курортного Строительства Process for the production of porous gas concrete hardened in carbon dioxide medium
WO2014165252A1 (en) * 2013-03-13 2014-10-09 Solidia Technologies, Inc. Aerated composite materials, methods of production and uses thereof
RU2554613C1 (en) * 2014-03-14 2015-06-27 Общество с ограниченной ответственностью "Элгад-ЗСИ" Method for producing items of aerated concrete of autoclave hardening
RU151756U1 (en) * 2014-12-24 2015-04-10 Федеральное государственное автономное образовательное учреждение высшего образования "Крымский федеральный университет им. В.И. Вернадского" RAW MATERIAL MIXTURE FOR THE PRODUCTION OF CELLULAR GAS CONCRETE HARDING IN A CARBON-GAS MEDIA

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2719804C1 (en) * 2019-03-20 2020-04-23 Федеральное государственное автономное образовательное учреждение высшего образования "Крымский федеральный университет имени В.И. Вернадского" Crude mixture for production of non-autoclave foam concrete
CN112518951A (en) * 2020-11-12 2021-03-19 利辛县亚升墙体材料有限公司 Production method of concrete building block
CN112811880A (en) * 2021-01-13 2021-05-18 山西大学 Preparation method of high-strength foamed concrete

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