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RU2368586C1 - Mass for production of gypsum boards - Google Patents

Mass for production of gypsum boards Download PDF

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Publication number
RU2368586C1
RU2368586C1 RU2008128947A RU2008128947A RU2368586C1 RU 2368586 C1 RU2368586 C1 RU 2368586C1 RU 2008128947 A RU2008128947 A RU 2008128947A RU 2008128947 A RU2008128947 A RU 2008128947A RU 2368586 C1 RU2368586 C1 RU 2368586C1
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RU
Russia
Prior art keywords
mass
gypsum
production
gypsum boards
water
Prior art date
Application number
RU2008128947A
Other languages
Russian (ru)
Inventor
Юлия Алексеевна Щепочкина (RU)
Юлия Алексеевна Щепочкина
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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.)
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Priority to RU2008128947A priority Critical patent/RU2368586C1/en
Application granted granted Critical
Publication of RU2368586C1 publication Critical patent/RU2368586C1/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
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
    • 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)
  • Dry Formation Of Fiberboard And The Like (AREA)

Abstract

FIELD: construction. ^ SUBSTANCE: mass for production of gypsum boards includes the following components, wt parts: water 680-720; waste paper 17-19; calcium sulfate dihydrate or phosphogypsum 83-87; urea-formaldehyde resin 4.8-5.2; starch 1.6-1.8; dust from processing of bast fibres 6-8. ^ EFFECT: reduced heat conductivity of gypsum boards produced from mass. ^ 1 cl, 1 tbl

Description

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

Известен способ производства гипсовых плит, предполагающий использование массы, включающей, мас.ч.: вода 700; макулатура 15; двуводный гипс или фосфогипс 85; мочевиноформальдегидная смола 5; крахмал 2,5 [1].A known method of production of gypsum boards, involving the use of mass, including, parts by weight: water 700; waste paper 15; gypsum gypsum or phosphogypsum 85; urea-formaldehyde resin 5; starch 2.5 [1].

Задача изобретения состоит в снижении теплопроводности гипсовых плит, полученных из массы.The objective of the invention is to reduce the thermal conductivity of gypsum boards obtained from the mass.

Технический результат достигается тем, что масса для производства гипсовых плит, включающая воду, макулатуру, двуводный гипс или фосфогипс, мочевиноформальдегидную смолу, крахмал, дополнительно содержит пыль от переработки лубяных волокон, при следующем соотношении компонентов, мас.ч.: вода 680-720; макулатура 17-19; двуводный гипс или фосфогипс 83-87; мочевиноформальдегидная смола 4,8-5,2; крахмал 1,6-1,8; пыль от переработки лубяных волокон 6-8.The technical result is achieved in that the mass for the production of gypsum boards, including water, waste paper, two-water gypsum or phosphogypsum, urea-formaldehyde resin, starch, additionally contains dust from the processing of bast fibers, in the following ratio of components, parts by weight: water 680-720; waste paper 17-19; gypsum gypsum or phosphogypsum 83-87; urea-formaldehyde resin 4.8-5.2; starch 1.6-1.8; dust from the processing of bast fibers 6-8.

Пыль от переработки лубяных волокон (льна, пеньки, джута, кенафа) на 50-90% состоит из частиц размером до 4 мкм и содержит значительное количество минеральных веществ, %: 14-73 при переработке стланцевой льнотресты; 17-53 при переработке моченцовой тресты; 12-75 при выработке льняного луба. Примесь свободной двуокиси кремния в пыли составляет от 4 до 58%.The dust from the processing of bast fibers (flax, hemp, jute, kenaf) for 50-90% consists of particles up to 4 microns in size and contains a significant amount of mineral substances,%: 14-73 when processing shale linen flakes; 17-53 in the processing of a diarrhea trust; 12-75 when producing flax bast. The admixture of free silica in the dust is from 4 to 58%.

В таблице приведены составы массы для производства гипсовых плит.The table shows the composition of the mass for the production of gypsum boards.

Компоненты дозируют в требуемых количествах. Пыль от переработки лубяных волокон предварительно смешивают с двуводным гипсом или фосфогипсом. В процессе приготовления массы для производства гипсовых плит используют гидропушитель, в который подают воду, макулатуру, предварительно нарезанную на куски площадью 2-16 см3, и пыль, смешанную с двуводным гипсом или фосфогипсом.The components are dosed in the required amounts. Dust from the processing of bast fibers is pre-mixed with two-water gypsum or phosphogypsum. In the process of preparing the mass for the production of gypsum boards, a water extinguisher is used, into which water, waste paper, previously cut into pieces with an area of 2-16 cm 3 , and dust mixed with two-water gypsum or phosphogypsum are fed.

КомпонентыComponents Содержание, мас.ч. в составахContent, parts by weight in the compositions 1one 22 33 4,four, 55 ВодаWater 680680 680680 700700 720720 720720 МакулатураWaste paper 1717 1717 18eighteen 1919 1919 Двуводный гипсGypsum plaster 8787 -- 8585 8383 -- ФосфогипсPhosphogypsum -- 8787 -- -- 8383 Мочевиноформальдегидная смолаUrea-formaldehyde resin 4,84.8 4,84.8 55 5,25.2 5,25.2 КрахмалStarch 1,61,6 1,61,6 1,71.7 1,81.8 1,81.8 Пыль от переработки лубяных волоконBast fiber dust 88 88 77 66 66

После распушивания макулатуры образовавшуюся массу перекачивают в емкость, где ее перемешивают в течение 10-15 мин с мочевиноформальдегидной смолой и крахмалом. Затем массу обезвоживают, формуют из нее плиты, которые сушат при температуре 70-75°С.After fluffing up the waste paper, the resulting mass is pumped into a container, where it is mixed for 10-15 minutes with urea-formaldehyde resin and starch. Then the mass is dehydrated, plates are formed from it, which are dried at a temperature of 70-75 ° C.

Теплопроводность гипсовых плит, полученных из предложенной массы, снижается на 3-5% в сравнении с плитами, изготовленными с применением массы [1]. При этом утилизируется лубяная пыль.The thermal conductivity of gypsum boards obtained from the proposed mass is reduced by 3-5% compared with plates made with the use of mass [1]. In this case, bast dust is disposed of.

Источники информацииInformation sources

1. Воробьев X.С. Гипсовые вяжущие и изделия: (Зарубежный опыт). - М: Стройиздат, 1983. - С.176.1. Vorobyov X.S. Plaster binders and products: (Foreign experience). - M: Stroyizdat, 1983. - P.176.

Claims (1)

Масса для производства гипсовых плит, включающая воду, макулатуру, двуводный гипс или фосфогипс, мочевиноформальдегидную смолу, крахмал, отличающаяся тем, что дополнительно содержит пыль от переработки лубяных волокон при следующем соотношении компонентов, мас.ч.:
вода 680-720 макулатура 17-19 двуводный гипс или фосфогипс 83-87 мочевиноформальдегидная смола 4,8-5,2 крахмал 1,6-1,8 пыль от переработки лубяных волокон 6-8
Mass for the production of gypsum boards, including water, waste paper, gypsum or phosphogypsum, urea-formaldehyde resin, starch, characterized in that it additionally contains dust from the processing of bast fibers in the following ratio, wt.h .:
water 680-720 waste paper 17-19 gypsum or phosphogypsum 83-87 urea-formaldehyde resin 4.8-5.2 starch 1.6-1.8 bast fiber processing dust 6-8
RU2008128947A 2008-07-15 2008-07-15 Mass for production of gypsum boards RU2368586C1 (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2455251C1 (en) * 2011-03-21 2012-07-10 Юлия Алексеевна Щепочкина Mixture for making gypsum boards
RU2473497C1 (en) * 2011-11-11 2013-01-27 Юлия Алексеевна Щепочкина Mass for production of gypsum plates
RU2484041C1 (en) * 2012-02-09 2013-06-10 Юлия Алексеевна Щепочкина Mixture for making heat-insulation boards
RU2484040C1 (en) * 2012-02-09 2013-06-10 Юлия Алексеевна Щепочкина Mixture for making heat-insulation boards
RU2496737C1 (en) * 2012-06-14 2013-10-27 Юлия Алексеевна Щепочкина Mixture for making phosphogypsum boards (versions)
CN114044661A (en) * 2021-12-03 2022-02-15 贵州国锐鑫节能科技有限公司 Solar heat-absorbing and heat-releasing phosphogypsum insulation board and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1275042A (en) * 1968-01-25 1972-05-24 Nat Res Dev The utilisation of paper sludge for sheeting or moulding
GB1375922A (en) * 1971-02-17 1974-12-04 Bayer Ag Manufacture of flooring plasters and building materials by the flow process
RU2114085C1 (en) * 1995-11-21 1998-06-27 Акционерное общество "Авангард" Composition for fibrous heat- and sound-insulating material and a method of producing fibrous heat- and sound-insulating material
RU2125029C1 (en) * 1997-07-16 1999-01-20 Акционерное общество "Авангард" Composition for fibrous heat- and sound-insulation material and method of manufacturing thereof
RU2133240C1 (en) * 1997-07-16 1999-07-20 Акционерное общество "Авангард" Composition for fibrous heat- and sound-insulation material and method of manufacture thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1275042A (en) * 1968-01-25 1972-05-24 Nat Res Dev The utilisation of paper sludge for sheeting or moulding
GB1375922A (en) * 1971-02-17 1974-12-04 Bayer Ag Manufacture of flooring plasters and building materials by the flow process
RU2114085C1 (en) * 1995-11-21 1998-06-27 Акционерное общество "Авангард" Composition for fibrous heat- and sound-insulating material and a method of producing fibrous heat- and sound-insulating material
RU2125029C1 (en) * 1997-07-16 1999-01-20 Акционерное общество "Авангард" Composition for fibrous heat- and sound-insulation material and method of manufacturing thereof
RU2133240C1 (en) * 1997-07-16 1999-07-20 Акционерное общество "Авангард" Composition for fibrous heat- and sound-insulation material and method of manufacture thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ВОРОБЬЕВ Х.С. Гипсовые вяжущие и изделия. - М.: Стройиздат, 1983, с.176. *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2455251C1 (en) * 2011-03-21 2012-07-10 Юлия Алексеевна Щепочкина Mixture for making gypsum boards
RU2473497C1 (en) * 2011-11-11 2013-01-27 Юлия Алексеевна Щепочкина Mass for production of gypsum plates
RU2484041C1 (en) * 2012-02-09 2013-06-10 Юлия Алексеевна Щепочкина Mixture for making heat-insulation boards
RU2484040C1 (en) * 2012-02-09 2013-06-10 Юлия Алексеевна Щепочкина Mixture for making heat-insulation boards
RU2496737C1 (en) * 2012-06-14 2013-10-27 Юлия Алексеевна Щепочкина Mixture for making phosphogypsum boards (versions)
CN114044661A (en) * 2021-12-03 2022-02-15 贵州国锐鑫节能科技有限公司 Solar heat-absorbing and heat-releasing phosphogypsum insulation board and preparation method thereof
CN114044661B (en) * 2021-12-03 2023-06-20 贵州国锐鑫节能科技有限公司 Solar heat-absorbing and heat-releasing phosphogypsum insulation board and preparation method thereof

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