DE3229789C2 - Verfahren zur Bestimmung der spezifischen Oberfläche einer Probe aus pulverigem Material mittels eines Windsichters - Google Patents

Verfahren zur Bestimmung der spezifischen Oberfläche einer Probe aus pulverigem Material mittels eines Windsichters

Info

Publication number
DE3229789C2
DE3229789C2 DE19823229789 DE3229789A DE3229789C2 DE 3229789 C2 DE3229789 C2 DE 3229789C2 DE 19823229789 DE19823229789 DE 19823229789 DE 3229789 A DE3229789 A DE 3229789A DE 3229789 C2 DE3229789 C2 DE 3229789C2
Authority
DE
Germany
Prior art keywords
sample
classifier
specific surface
surface area
classification
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE19823229789
Other languages
German (de)
English (en)
Other versions
DE3229789A1 (de
Inventor
Eigoro Hachioji Tokio/Tokyo Honma
Koichi Kyoto Iinoya
Masamichi Tokio/Tokyo Kabaya
Akira Yokohama Kanagawa Saito
Ikuo Kamifukuoka Saitama Shimogawa
Hiroshi Yokohama Kanagawa Tomiyasu
Yukiyoshi Tokorozawa Saitama Yamada
Masayuki Sagamihara Kanagawa Yasuguchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taiheiyo Cement Corp
Nisshin Seifun Group Inc
Original Assignee
Nisshin Seifun Group Inc
Nihon Cement Co Ltd
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 Nisshin Seifun Group Inc, Nihon Cement Co Ltd filed Critical Nisshin Seifun Group Inc
Publication of DE3229789A1 publication Critical patent/DE3229789A1/de
Application granted granted Critical
Publication of DE3229789C2 publication Critical patent/DE3229789C2/de
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
    • B07B7/08—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force
    • B07B7/083—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force generated by rotating vanes, discs, drums, or brushes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
    • B01D45/14—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by rotating vanes, discs, drums or brushes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
    • B07B4/02—Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall
    • B07B4/025—Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall the material being slingered or fled out horizontally before falling, e.g. by dispersing elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
    • B07B9/02—Combinations of similar or different apparatus for separating solids from solids using gas currents
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/02—Investigating particle size or size distribution
    • G01N15/0272—Investigating particle size or size distribution with screening; with classification by filtering

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combined Means For Separation Of Solids (AREA)
DE19823229789 1981-08-07 1982-08-06 Verfahren zur Bestimmung der spezifischen Oberfläche einer Probe aus pulverigem Material mittels eines Windsichters Expired DE3229789C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12361281A JPS5826245A (ja) 1981-08-07 1981-08-07 粉末度測定方法

Publications (2)

Publication Number Publication Date
DE3229789A1 DE3229789A1 (de) 1983-02-24
DE3229789C2 true DE3229789C2 (de) 1987-05-07

Family

ID=14864903

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19823229789 Expired DE3229789C2 (de) 1981-08-07 1982-08-06 Verfahren zur Bestimmung der spezifischen Oberfläche einer Probe aus pulverigem Material mittels eines Windsichters

Country Status (3)

Country Link
JP (1) JPS5826245A (US07579456-20090825-P00002.png)
DE (1) DE3229789C2 (US07579456-20090825-P00002.png)
GB (1) GB2103373B (US07579456-20090825-P00002.png)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2138574B (en) * 1983-04-11 1986-08-06 Bestobell Slurry particle size analysis
CN104907252B (zh) * 2015-06-10 2017-01-11 洛阳矿山机械工程设计研究院有限责任公司 一种选粉机转子的叶片更换方法
JP7358765B2 (ja) * 2019-04-04 2023-10-11 株式会社サタケ 製粉設備の監視システム

Also Published As

Publication number Publication date
GB2103373B (en) 1985-05-09
DE3229789A1 (de) 1983-02-24
JPH0140945B2 (US07579456-20090825-P00002.png) 1989-09-01
GB2103373A (en) 1983-02-16
JPS5826245A (ja) 1983-02-16

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee