NO135969B - - Google Patents

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Publication number
NO135969B
NO135969B NO740817A NO740817A NO135969B NO 135969 B NO135969 B NO 135969B NO 740817 A NO740817 A NO 740817A NO 740817 A NO740817 A NO 740817A NO 135969 B NO135969 B NO 135969B
Authority
NO
Norway
Prior art keywords
gas
cooling
grinding
gas flow
mill
Prior art date
Application number
NO740817A
Other languages
English (en)
Norwegian (no)
Other versions
NO135969C (ko
NO740817L (no
Inventor
H Meinass
Original Assignee
Linde Ag
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 Linde Ag filed Critical Linde Ag
Publication of NO740817L publication Critical patent/NO740817L/no
Publication of NO135969B publication Critical patent/NO135969B/no
Publication of NO135969C publication Critical patent/NO135969C/no

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C19/00—Other disintegrating devices or methods
    • B02C19/18—Use of auxiliary physical effects, e.g. ultrasonics, irradiation, for disintegrating
    • B02C19/186—Use of cold or heat for disintegrating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04—Disintegrating plastics, e.g. by milling
    • B29B17/0404—Disintegrating plastics, e.g. by milling to powder
    • B29B17/0408—Disintegrating plastics, e.g. by milling to powder using cryogenic systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets
    • B29L2007/008—Wide strips, e.g. films, webs
    • 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
    • Y02W30/62—Plastics recycling; Rubber recycling
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S241/00—Solid material comminution or disintegration
    • Y10S241/37—Cryogenic cooling

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Food Science & Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Crushing And Grinding (AREA)
  • Disintegrating Or Milling (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
NO740817A 1973-03-09 1974-03-08 Fremgangsmåte ved nedmaling av materialer. NO740817L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2311933A DE2311933C3 (de) 1973-03-09 1973-03-09 Verfahren und Vorrichtung zur Zerkleinerung von Stoffen bei tiefen Temperaturen

Publications (3)

Publication Number Publication Date
NO740817L NO740817L (no) 1974-09-10
NO135969B true NO135969B (ko) 1977-03-28
NO135969C NO135969C (ko) 1977-07-06

Family

ID=5874369

Family Applications (1)

Application Number Title Priority Date Filing Date
NO740817A NO740817L (no) 1973-03-09 1974-03-08 Fremgangsmåte ved nedmaling av materialer.

Country Status (11)

Country Link
US (1) US3921917A (ko)
AT (1) AT327658B (ko)
BE (1) BE812095A (ko)
BR (1) BR7401798D0 (ko)
CH (1) CH570202A5 (ko)
DE (1) DE2311933C3 (ko)
ES (1) ES424119A1 (ko)
FR (1) FR2220309B3 (ko)
NL (1) NL7316936A (ko)
NO (1) NO740817L (ko)
ZA (1) ZA741563B (ko)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4102503A (en) * 1975-04-16 1978-07-25 Linde Aktiengesellschaft Method of and apparatus for the low-temperature milling of materials
US3985086A (en) * 1975-06-09 1976-10-12 The Raymond Lee Organization, Inc. Freezer, vacuum, oven sewage treatment system
FR2352589A1 (fr) * 1976-05-28 1977-12-23 Air Liquide Procede de fragilisation des teguments des graines de petites dimensions
GB1558320A (en) * 1978-05-30 1979-12-19 Hastie A M B Bitumen recovery
US4222527A (en) * 1979-02-22 1980-09-16 Union Carbide Corporation Cryopulverizing packed bed control system
US4511091A (en) * 1983-01-06 1985-04-16 Augusto Vasco Method and apparatus for recycling thermoplastic scrap
US4645131A (en) * 1984-12-24 1987-02-24 Hailey Robert W Powder milling method to produce fine powder sizes
US4692982A (en) * 1986-05-22 1987-09-15 Rice Norman B Lining removal process
US4846408A (en) * 1988-01-21 1989-07-11 Gentex Corporation Method for making a friction material
JP2725505B2 (ja) * 1991-12-02 1998-03-11 株式会社日立製作所 廃棄物の処理方法及びその装置
US5533680A (en) * 1994-12-28 1996-07-09 U.S. Rubber Reclaiming, Inc. Process to grind thermoset or thermoplastic materials
US5597123A (en) * 1995-06-30 1997-01-28 Praxair Technology, Inc. Ultra-high energy cryogenic impact system
DE19533078A1 (de) * 1995-09-07 1997-03-13 Messer Griesheim Gmbh Verfahren und Vorrichtung zum Mahlen und Sichten von Mahlgut
US6076752A (en) * 1998-06-01 2000-06-20 Quality Botanical Ingredients, Inc. Method and apparatus for inert gas purging/temperature control for pulverizing/grinding system
KR100351868B1 (en) * 2001-11-15 2002-09-13 Kolon Construction Co Ltd Method for freezing pulverizing waste materials using freezing gas
DE102014112154A1 (de) * 2014-08-26 2016-03-03 Netzsch Trockenmahltechnik Gmbh Verfahren zur klassierung von feststoff- produktfraktionen, trennvorrichtung und zerkleinerungsanlage
US10675634B2 (en) * 2015-08-13 2020-06-09 Lehigh Technologies, Inc. Systems, methods, and apparatuses for manufacturing micronized powder

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2609150A (en) * 1949-11-05 1952-09-02 Union Carbide & Carbon Corp Mechanical pulverization of refrigerated plastics
DE1291502B (ko) * 1965-07-20 1969-03-27
DE1778559C3 (de) * 1968-05-10 1973-10-31 Linde Ag, 6200 Wiesbaden Vorrichtung zum Zerkleinern von Stoffen bei tiefen Temperaturen
CH491675A (de) * 1969-12-01 1970-06-15 Inventa Ag Verfahren zum mahlen von körnigen materialien bei tiefen temperaturen

Also Published As

Publication number Publication date
BR7401798D0 (pt) 1974-11-19
DE2311933A1 (de) 1974-09-19
NO135969C (ko) 1977-07-06
CH570202A5 (ko) 1975-12-15
ATA166574A (de) 1975-04-15
FR2220309A1 (ko) 1974-10-04
US3921917A (en) 1975-11-25
NO740817L (no) 1974-09-10
DE2311933C3 (de) 1979-12-20
DE2311933B2 (de) 1979-04-26
ZA741563B (en) 1975-02-26
AT327658B (de) 1976-02-10
NL7316936A (ko) 1974-09-11
BE812095A (fr) 1974-07-01
FR2220309B3 (ko) 1977-07-15
ES424119A1 (es) 1976-06-16

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