RU94021351A - METHOD OF MANUFACTURING MINERAL CLOTH, DEVICE FOR FORMATION OF FIBER AND MAT FROM MINERAL CLOTH - Google Patents

METHOD OF MANUFACTURING MINERAL CLOTH, DEVICE FOR FORMATION OF FIBER AND MAT FROM MINERAL CLOTH

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Publication number
RU94021351A
RU94021351A RU94021351/33A RU94021351A RU94021351A RU 94021351 A RU94021351 A RU 94021351A RU 94021351/33 A RU94021351/33 A RU 94021351/33A RU 94021351 A RU94021351 A RU 94021351A RU 94021351 A RU94021351 A RU 94021351A
Authority
RU
Russia
Prior art keywords
cones
centrifuge
viscosity
fiber
holes
Prior art date
Application number
RU94021351/33A
Other languages
Russian (ru)
Other versions
RU2100298C1 (en
Inventor
Баттижелли Жан
Бертье Ги
Фуртак Ханс
Сент-Фуа Даниель
Original Assignee
Изовер Сэн-Гобэн
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 Изовер Сэн-Гобэн filed Critical Изовер Сэн-Гобэн
Priority claimed from PCT/EP1992/001915 external-priority patent/WO1994004469A1/en
Publication of RU94021351A publication Critical patent/RU94021351A/en
Application granted granted Critical
Publication of RU2100298C1 publication Critical patent/RU2100298C1/en

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Claims (1)

Минеральный материал, в частности базальтового типа, подвергают волокнообразованию посредством внутреннего центрифугирования в центрифуге 1', имеющей периферийные стенки 19 с большим количеством отверстий, через которые расплав может выходить в окружающую среду, где дутье горячими газами утоньшает конусы расплава, выходящие из отверстий, для получения волокон. Поскольку такой минеральный материал имеет высокую точку плавления или температуру ликвидуса, а также низкую вязкость при температуре ликвидуса, есть вероятность получения большой доли неволокнообразованных частиц. Однако возможно производство минеральной ваты с достаточной тонкостью волокон, если длины конусов и конфигурация потоков газа, создаваемых вокруг центрифуги таковы, что большая часть нитеформирующих конусов, выходящих из отверстий центрифуги, пересекает изотерму, соответствующую вязкости порядка 100 пуаз, или иначе достигает зоны, охлаждаемой до температуры, соответствующей вязкости более 100 пуаз. На практике такая конфигурация потоков газа создается кольцевой воздуходувкой 24, дополняющей внешнюю кольцевую горелку 13, которая создает струи холодного воздуха, с тем чтобы привести низкотемпературные изотермы к непосредственной близости с периферийной стенкой 19 центрифуги 1', где кончики конусов достигают такой холодной зоны, которая обеспечивает увеличение вязкости этих кончиков конусов во избежание разрыва утоньшаемой нити.
Figure 00000001
Mineral material, in particular basalt type, is fiber-formed by internal centrifugation in a centrifuge 1 ′ having peripheral walls 19 with a large number of holes through which the melt can escape to the environment, where hot gas blows the melt cones out of the holes to obtain fibers. Since such a mineral material has a high melting point or liquidus temperature, as well as a low viscosity at liquidus temperature, there is a possibility of obtaining a large proportion of non-fiber-shaped particles. However, it is possible to produce mineral wool with sufficient fineness of fibers, if the lengths of the cones and the configuration of the gas flows generated around the centrifuge are such that most of the thread forming cones leaving the centrifuge holes intersect the isotherm corresponding to a viscosity of about 100 poises, or otherwise reach a zone cooled to temperature corresponding to a viscosity of more than 100 poise. In practice, this configuration of gas flows is created by an annular blower 24, which complements the outer annular burner 13, which creates cold air jets in order to bring low-temperature isotherms to close proximity to the peripheral wall 19 of the centrifuge 1 ', where the tips of the cones reach a cold zone that provides increasing the viscosity of these tips of the cones in order to avoid breaking the thinned thread.
Figure 00000001
RU9494021351A 1992-08-20 1992-08-20 Method of manufacturing mineral wool and apparatus for forming fibers by way of internal centrifugation RU2100298C1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/EP1992/001915 WO1994004469A1 (en) 1992-08-20 1992-08-20 Method and apparatus for the production of mineral wool, and mineral wool thereby produced
EPEP92/01915 1992-08-20

Publications (2)

Publication Number Publication Date
RU94021351A true RU94021351A (en) 1996-01-20
RU2100298C1 RU2100298C1 (en) 1997-12-27

Family

ID=8165674

Family Applications (1)

Application Number Title Priority Date Filing Date
RU9494021351A RU2100298C1 (en) 1992-08-20 1992-08-20 Method of manufacturing mineral wool and apparatus for forming fibers by way of internal centrifugation

Country Status (27)

Country Link
US (1) US5601628A (en)
EP (1) EP0583792B1 (en)
JP (1) JP2752256B2 (en)
KR (1) KR100188507B1 (en)
CN (1) CN1049879C (en)
AT (1) ATE161807T1 (en)
AU (1) AU671804B2 (en)
BR (1) BR9206652A (en)
CA (1) CA2121573C (en)
CZ (1) CZ285472B6 (en)
DE (1) DE69316107T2 (en)
DK (1) DK0583792T3 (en)
ES (1) ES2110549T3 (en)
FI (1) FI104321B (en)
GR (1) GR3025850T3 (en)
HR (1) HRP931149B1 (en)
HU (1) HU219013B (en)
IS (1) IS4062A (en)
NO (1) NO941300L (en)
NZ (1) NZ248379A (en)
PL (1) PL171157B1 (en)
RU (1) RU2100298C1 (en)
SI (1) SI9300442A (en)
SK (1) SK281343B6 (en)
TR (1) TR28303A (en)
WO (1) WO1994004469A1 (en)
ZA (1) ZA935926B (en)

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