RU2072192C1 - METHOD FOR PRODUCING FIBROUS SEMI-FINISHED PRODUCT - Google Patents

METHOD FOR PRODUCING FIBROUS SEMI-FINISHED PRODUCT Download PDF

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Publication number
RU2072192C1
RU2072192C1 RU94042986/12A RU94042986A RU2072192C1 RU 2072192 C1 RU2072192 C1 RU 2072192C1 RU 94042986/12 A RU94042986/12 A RU 94042986/12A RU 94042986 A RU94042986 A RU 94042986A RU 2072192 C1 RU2072192 C1 RU 2072192C1
Authority
RU
Russia
Prior art keywords
finished product
fibrous semi
pressure
raw material
producing fibrous
Prior art date
Application number
RU94042986/12A
Other languages
Russian (ru)
Other versions
RU94042986A (en
Inventor
А.М. Кряжев
Ф.В. Шпаков
Original Assignee
Фирма "ПОРЭКС"
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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Publication date
Application filed by Фирма "ПОРЭКС" filed Critical Фирма "ПОРЭКС"
Priority to RU94042986/12A priority Critical patent/RU2072192C1/en
Publication of RU94042986A publication Critical patent/RU94042986A/en
Application granted granted Critical
Publication of RU2072192C1 publication Critical patent/RU2072192C1/en

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Abstract

1. Способ получения волокнистого полуфабриката, заключающийся в нагреве измельченного целлюлозосодержащего сырья паром до температуры 195 - 240С при возрастающем давлении в процессе нагрева с последующим сбросом его до атмосферного, отличающийся тем, что при нагреве до 130 - 150С и давлении, равном 5 - 6 атм, сырье выдерживают в течение 30 - 300 с.2. Способ по п.1, отличающийся тем, что в процессе нагрева давление увеличивается до 35 - 40 атм.3. Способ по п. 1, отличающийся тем, что перед сбросом давления сырье выдерживают в течение 60 - 120 с.1. A method of obtaining a fibrous semi-finished product, which consists in heating the crushed cellulose-containing raw material with steam to a temperature of 195-240C with increasing pressure during heating, followed by its release to atmospheric, characterized in that when heated to 130-150C and a pressure of 5-6 atm , the raw material is kept for 30 - 300 s. 2. The method according to claim 1, characterized in that during heating, the pressure increases to 35-40 atm. 3. The method according to claim 1, characterized in that before releasing the pressure, the raw material is kept for 60 - 120 s.

RU94042986/12A 1994-12-07 1994-12-07 METHOD FOR PRODUCING FIBROUS SEMI-FINISHED PRODUCT RU2072192C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU94042986/12A RU2072192C1 (en) 1994-12-07 1994-12-07 METHOD FOR PRODUCING FIBROUS SEMI-FINISHED PRODUCT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU94042986/12A RU2072192C1 (en) 1994-12-07 1994-12-07 METHOD FOR PRODUCING FIBROUS SEMI-FINISHED PRODUCT

Publications (2)

Publication Number Publication Date
RU94042986A RU94042986A (en) 1995-08-20
RU2072192C1 true RU2072192C1 (en) 1997-01-20

Family

ID=48434309

Family Applications (1)

Application Number Title Priority Date Filing Date
RU94042986/12A RU2072192C1 (en) 1994-12-07 1994-12-07 METHOD FOR PRODUCING FIBROUS SEMI-FINISHED PRODUCT

Country Status (1)

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RU (1) RU2072192C1 (en)

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