DE69300639D1 - Vorrichtung zur automatischen Materialregelung bei der Herstellung von granulierten Düngemitteln. - Google Patents

Vorrichtung zur automatischen Materialregelung bei der Herstellung von granulierten Düngemitteln.

Info

Publication number
DE69300639D1
DE69300639D1 DE69300639T DE69300639T DE69300639D1 DE 69300639 D1 DE69300639 D1 DE 69300639D1 DE 69300639 T DE69300639 T DE 69300639T DE 69300639 T DE69300639 T DE 69300639T DE 69300639 D1 DE69300639 D1 DE 69300639D1
Authority
DE
Germany
Prior art keywords
production
automatic material
material control
granulated fertilizers
fertilizers
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 - Fee Related
Application number
DE69300639T
Other languages
English (en)
Other versions
DE69300639T2 (de
Inventor
Hiroshi Hanaoka
Kazutoyo Kawashima
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.)
Co Op Chemical Co Ltd
Original Assignee
Co Op Chemical Co Ltd
NEC Corp
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 Co Op Chemical Co Ltd, NEC Corp filed Critical Co Op Chemical Co Ltd
Application granted granted Critical
Publication of DE69300639D1 publication Critical patent/DE69300639D1/de
Publication of DE69300639T2 publication Critical patent/DE69300639T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/12—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic in rotating drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D11/00—Control of flow ratio
    • G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
    • G05D11/13—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means
    • G05D11/131—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by measuring the values related to the quantity of the individual components

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Fertilizers (AREA)
  • Glanulating (AREA)
DE69300639T 1992-02-28 1993-02-26 Vorrichtung zur automatischen Materialregelung bei der Herstellung von granulierten Düngemitteln. Expired - Fee Related DE69300639T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4079229A JP2919166B2 (ja) 1992-02-28 1992-02-28 転動式造粒機への原料投入量自動制御装置

Publications (2)

Publication Number Publication Date
DE69300639D1 true DE69300639D1 (de) 1995-11-23
DE69300639T2 DE69300639T2 (de) 1996-06-05

Family

ID=13684071

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69300639T Expired - Fee Related DE69300639T2 (de) 1992-02-28 1993-02-26 Vorrichtung zur automatischen Materialregelung bei der Herstellung von granulierten Düngemitteln.

Country Status (4)

Country Link
US (1) US5319563A (de)
EP (1) EP0558038B1 (de)
JP (1) JP2919166B2 (de)
DE (1) DE69300639T2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05132386A (ja) * 1991-11-08 1993-05-28 Nippon Denki Computer Syst Kk 化成肥料製造における自動制御方式

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4225543A (en) * 1978-08-09 1980-09-30 Owens-Corning Fiberglas Corporation Method for determining the pellet size distribution of a pelletizer and for controlling the output of such pelletizer
US4251475A (en) * 1978-12-29 1981-02-17 Owens-Corning Fiberglas Corporation Method and apparatus for controlling the proportion of liquid and dry particulate matter added to a pelletizer
US4463430A (en) * 1981-08-31 1984-07-31 Beta Corporation Microprocessor based pellet mill control
US4764874A (en) * 1985-12-24 1988-08-16 Beta Raven Inc. Method and apparatus for a microprocessor pellet mill controller with die temperature control
US4725958A (en) * 1985-12-17 1988-02-16 Beta Raven Inc. Pellet mill controller with non-contacting temperature sensor
US4721448A (en) * 1985-12-19 1988-01-26 Adolph Coors Company Pelletizer with moisture control system
US4700310A (en) * 1985-12-24 1987-10-13 Beta Raven Inc. Automatic pellet mill controller with steam temperature control
US4733971A (en) * 1986-02-26 1988-03-29 Micro Chemical, Inc. Programmable weight sensitive microingredient feed additive delivery system and method
US4935874A (en) * 1988-01-26 1990-06-19 Beta Raven Inc. Method and apparatus for controlling steam in a pellet mill
JP2572809B2 (ja) * 1988-04-26 1997-01-16 三菱化学株式会社 粒状肥料の製造法
US5021940A (en) * 1989-01-12 1991-06-04 Automatic Control Electronics Company Synergetic automatic control system for pellet mill
DE3923241A1 (de) * 1989-07-14 1991-01-24 Reimelt Dietrich Kg Verfahren und vorrichtung zur herstellung von granulaten

Also Published As

Publication number Publication date
JP2919166B2 (ja) 1999-07-12
DE69300639T2 (de) 1996-06-05
EP0558038B1 (de) 1995-10-18
JPH05238863A (ja) 1993-09-17
US5319563A (en) 1994-06-07
EP0558038A1 (de) 1993-09-01

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DE69300639D1 (de) Vorrichtung zur automatischen Materialregelung bei der Herstellung von granulierten Düngemitteln.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: CO-OP CHEMICAL CO., LTD., TOKIO/TOKYO, JP

8339 Ceased/non-payment of the annual fee