RU94041955A - Method of gypsum-fiber pieces production - Google Patents

Method of gypsum-fiber pieces production

Info

Publication number
RU94041955A
RU94041955A RU94041955/03A RU94041955A RU94041955A RU 94041955 A RU94041955 A RU 94041955A RU 94041955/03 A RU94041955/03 A RU 94041955/03A RU 94041955 A RU94041955 A RU 94041955A RU 94041955 A RU94041955 A RU 94041955A
Authority
RU
Russia
Prior art keywords
gypsum
mechanical strength
production
lactic acid
pieces
Prior art date
Application number
RU94041955/03A
Other languages
Russian (ru)
Other versions
RU2095328C1 (en
Inventor
Л.В. Новинюк
Д.А. Бережненко
Original Assignee
Всероссийский научно-исследовательский институт пищевых ароматизаторов
Всероссийский научно-исследовательский институт пищевых ароматизаторов, кислот и красителей
кислот и красителей
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 Всероссийский научно-исследовательский институт пищевых ароматизаторов, Всероссийский научно-исследовательский институт пищевых ароматизаторов, кислот и красителей, кислот и красителей filed Critical Всероссийский научно-исследовательский институт пищевых ароматизаторов
Priority to RU94041955A priority Critical patent/RU2095328C1/en
Publication of RU94041955A publication Critical patent/RU94041955A/en
Application granted granted Critical
Publication of RU2095328C1 publication Critical patent/RU2095328C1/en

Links

Landscapes

  • Processing Of Solid Wastes (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Treatment Of Sludge (AREA)

Abstract

FIELD: building materials industry, method is used for production of pieces from lactic acid production wastes. SUBSTANCE: method of building pieces production provides for mixing of gypsum-bearing and fibrous components, moulding and drying of piece. To decrease cost of piece wit keeping its mechanical strength wastes of lactic acid production - sediment after fermentation and gypsum slime in initial state are mixed with wood chips or alike in ratio of 1 : 3 : 6 by mass in terms of dry substance, then mixture is moulded and dried under press. Mechanical strength of pieces during bending is 4.8 - 5.4 MPa. EFFECT: decreased production costs, preserved mechanical strength.

Claims (1)

Изобретение относится к промышленности строительных материалов и может быть использовано для изготовления изделий из отходов производства молочной кислоты. Способ изготовления строительных изделий включает смешение гипсосодержащего и волокнистого компонентов, формование и сушку изделия. С целью снижения себестоимости изделия при сохранении механической прочности смешивают отходы производства молочной кислоты: осадок после брожения и гипсовый шлам в исходном состоянии с опилками или скопом в соотношении 1:3:6 по массе в пересчете на сухое вещество, формуют и сушат под прессом. Механическая прочность изделий составляет при изгибе 4,8 oC 5,4 МПа.The invention relates to the building materials industry and can be used for the manufacture of products from waste products of lactic acid. A method of manufacturing building products includes mixing gypsum-containing and fibrous components, molding and drying the product. In order to reduce the cost of the product while maintaining mechanical strength, waste from the production of lactic acid is mixed: the precipitate after fermentation and gypsum sludge in the initial state with sawdust or osprey in a ratio of 1: 3: 6 by weight in terms of dry matter, molded and dried under pressure. The mechanical strength of the products is bending 4.8 o C 5.4 MPa.
RU94041955A 1994-11-21 1994-11-21 Method of preparing fibrous gypsum products RU2095328C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU94041955A RU2095328C1 (en) 1994-11-21 1994-11-21 Method of preparing fibrous gypsum products

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU94041955A RU2095328C1 (en) 1994-11-21 1994-11-21 Method of preparing fibrous gypsum products

Publications (2)

Publication Number Publication Date
RU94041955A true RU94041955A (en) 1996-09-20
RU2095328C1 RU2095328C1 (en) 1997-11-10

Family

ID=20162560

Family Applications (1)

Application Number Title Priority Date Filing Date
RU94041955A RU2095328C1 (en) 1994-11-21 1994-11-21 Method of preparing fibrous gypsum products

Country Status (1)

Country Link
RU (1) RU2095328C1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7918950B2 (en) * 2007-12-20 2011-04-05 United States Gypsum Company Low fiber calcination process for making gypsum fiberboard
RU193015U1 (en) * 2019-06-17 2019-10-10 Владимир Михайлович Лысков WINDOW PLATE

Also Published As

Publication number Publication date
RU2095328C1 (en) 1997-11-10

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