JPS6463078A - Dry-sorting method - Google Patents

Dry-sorting method

Info

Publication number
JPS6463078A
JPS6463078A JP21976387A JP21976387A JPS6463078A JP S6463078 A JPS6463078 A JP S6463078A JP 21976387 A JP21976387 A JP 21976387A JP 21976387 A JP21976387 A JP 21976387A JP S6463078 A JPS6463078 A JP S6463078A
Authority
JP
Japan
Prior art keywords
respective stages
air
probes
controlled
trays
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.)
Pending
Application number
JP21976387A
Other languages
Japanese (ja)
Inventor
Zennosuke Tanaka
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP21976387A priority Critical patent/JPS6463078A/en
Publication of JPS6463078A publication Critical patent/JPS6463078A/en
Pending legal-status Critical Current

Links

Landscapes

  • Combined Means For Separation Of Solids (AREA)

Abstract

PURPOSE: To improve classification efficiency by arraying trays consisting of perforated plates having a pore diameter of 5 to 25 times the average particle size of granular materials to be treated to multiple stages in series and blowing air into a classifying device from its bottom, thereby fluidizing the granular materials. CONSTITUTION: The granular material are continuously supplied from a supply device 6 by a compressor 7 and the a ir is blown up from the bottom 8 of the classifying device by using a fan 1. A valve 2 is so controlled that the linear velocity of the air stream in the lowermost stage chamber 18 attains 0.5 to 0.9 times the final velocity of the equil. particles in the respective stages. The linear velocity of the air stream in the lowermost stage chamber 19 is controlled by discharging part of the air from the discharge ports 9 disposed at the side walls of the respective stages. Probes 10 are inserted into the trays of the respective stages and the information from the probes 10 are inputted to a controller 11 and commands are transmitted to valves 12. As a result, classification is continuously and efficiency executed.
JP21976387A 1987-09-02 1987-09-02 Dry-sorting method Pending JPS6463078A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21976387A JPS6463078A (en) 1987-09-02 1987-09-02 Dry-sorting method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21976387A JPS6463078A (en) 1987-09-02 1987-09-02 Dry-sorting method

Publications (1)

Publication Number Publication Date
JPS6463078A true JPS6463078A (en) 1989-03-09

Family

ID=16740619

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21976387A Pending JPS6463078A (en) 1987-09-02 1987-09-02 Dry-sorting method

Country Status (1)

Country Link
JP (1) JPS6463078A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04281502A (en) * 1991-03-11 1992-10-07 Toshiba Corp System stopping system for controller system
JPH04131467U (en) * 1991-05-20 1992-12-03 川崎重工業株式会社 Air flow classifier
JP2014188452A (en) * 2013-03-27 2014-10-06 National Institute Of Advanced Industrial & Technology Sorter
US10512940B2 (en) 2015-09-17 2019-12-24 National Institute Of Advanced Industrial Science And Technology Device and method for sorting objects

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04281502A (en) * 1991-03-11 1992-10-07 Toshiba Corp System stopping system for controller system
JPH04131467U (en) * 1991-05-20 1992-12-03 川崎重工業株式会社 Air flow classifier
JP2014188452A (en) * 2013-03-27 2014-10-06 National Institute Of Advanced Industrial & Technology Sorter
US10512940B2 (en) 2015-09-17 2019-12-24 National Institute Of Advanced Industrial Science And Technology Device and method for sorting objects

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