NL7211598A - Spray dried powder coating plant - with inlet for powder and hot air mixture and sprayer for emulsifier coating - Google Patents

Spray dried powder coating plant - with inlet for powder and hot air mixture and sprayer for emulsifier coating

Info

Publication number
NL7211598A
NL7211598A NL7211598A NL7211598A NL7211598A NL 7211598 A NL7211598 A NL 7211598A NL 7211598 A NL7211598 A NL 7211598A NL 7211598 A NL7211598 A NL 7211598A NL 7211598 A NL7211598 A NL 7211598A
Authority
NL
Netherlands
Prior art keywords
powder
coating
inlet
emulsifier
sprayer
Prior art date
Application number
NL7211598A
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 filed Critical
Priority to NL7211598A priority Critical patent/NL7211598A/en
Publication of NL7211598A publication Critical patent/NL7211598A/en

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
    • B01J2/006—Coating of the granules without description of the process or the device by which the granules are obtained

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Fertilizers (AREA)

Abstract

The powder falls through a central inlet pipe at the top of a vertical column, and the inlet is surrounded by a hot gas, esp. steam, ring nozzle so that the powder fans out into the zone filled with droplets of pref. lecitten emulsifier in aq. soln. sprayed upwards from near the top of the column. The control powder falls onto a perforated hopper at the base, leading to a powder outlet valve, and through that hopper wall cooling air is passed upwards, forming a fluidized bed, and is extracted with the excess steam through a side port halfway up the column. Clogging is prevented.
NL7211598A 1972-08-25 1972-08-25 Spray dried powder coating plant - with inlet for powder and hot air mixture and sprayer for emulsifier coating NL7211598A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7211598A NL7211598A (en) 1972-08-25 1972-08-25 Spray dried powder coating plant - with inlet for powder and hot air mixture and sprayer for emulsifier coating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7211598A NL7211598A (en) 1972-08-25 1972-08-25 Spray dried powder coating plant - with inlet for powder and hot air mixture and sprayer for emulsifier coating

Publications (1)

Publication Number Publication Date
NL7211598A true NL7211598A (en) 1974-02-27

Family

ID=19816787

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7211598A NL7211598A (en) 1972-08-25 1972-08-25 Spray dried powder coating plant - with inlet for powder and hot air mixture and sprayer for emulsifier coating

Country Status (1)

Country Link
NL (1) NL7211598A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2628014A1 (en) * 1988-03-07 1989-09-08 Total France Coating particles in molten wax - by passing them through a mist of the wax under an inert atmos.
EP0406903A1 (en) * 1989-07-07 1991-01-09 Freund Industrial Co., Ltd. Granulating and coating apparatus and granulating and coating method using the same
WO1996014927A1 (en) * 1994-11-09 1996-05-23 G.S. S.R.L. Coating System Method and apparatus for coating particles

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2628014A1 (en) * 1988-03-07 1989-09-08 Total France Coating particles in molten wax - by passing them through a mist of the wax under an inert atmos.
EP0406903A1 (en) * 1989-07-07 1991-01-09 Freund Industrial Co., Ltd. Granulating and coating apparatus and granulating and coating method using the same
WO1996014927A1 (en) * 1994-11-09 1996-05-23 G.S. S.R.L. Coating System Method and apparatus for coating particles

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Legal Events

Date Code Title Description
BC A request for examination has been filed
BV The patent application has lapsed