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1. WO2020092721 - ELECTROSTATIC SPRAY DRYER SYSTEM

Publication Number WO/2020/092721
Publication Date 07.05.2020
International Application No. PCT/US2019/059085
International Filing Date 31.10.2019
IPC
F26B 3/12 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
26DRYING
BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
3Drying solid materials or objects by processes involving the application of heat
02by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
10the gas or vapour carrying the materials or objects to be dried with it
12in the form of a spray
B01J 2/02 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
2Processes or devices for granulating materials, in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
02by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
B05B 5/03 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
5Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
025Discharge apparatus, e.g. electrostatic spray guns
03characterised by the use of gas
B05B 7/06 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
7Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
02Spray pistols; Apparatus for discharge
06with one outlet orifice surrounding another approximately in the same plane
F26B 21/00 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
26DRYING
BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
21Arrangements for supplying or controlling air or gases for drying solid materials or objects
CPC
B01J 2/02
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
2Processes or devices for granulating materials ; , e.g. fertilisers; in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
02by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
B05B 5/03
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
5Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
025Discharge apparatus, e.g. electrostatic spray guns
03characterised by the use of gas ; , e.g. electrostatically assisted pneumatic spraying
B05B 7/066
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
7Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
02Spray pistols; Apparatus for discharge
06with ; at least; one outlet orifice surrounding another approximately in the same plane
062with only one liquid outlet and at least one gas outlet
066with an inner liquid outlet surrounded by at least one annular gas outlet
F26B 21/004
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
26DRYING
BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
21Arrangements ; or duct systems, e.g. in combination with pallet boxes,; for supplying and controlling air or gases for drying solid materials or objects
004Nozzle assemblies; Air knives; Air distributors; Blow boxes
F26B 3/12
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
26DRYING
BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
3Drying solid materials or objects by processes involving the application of heat
02by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
10the gas or vapour carrying the materials or objects to be dried with it
12in the form of a spray ; , i.e. sprayed or dispersed emulsions or suspensions
Applicants
  • SPRAYING SYSTEMS CO. [US]/[US]
Inventors
  • SZCZAP, Joseph
Agents
  • SCHLEMMER, Dennis
Priority Data
62/754,69102.11.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) ELECTROSTATIC SPRAY DRYER SYSTEM
(FR) SYSTÈME DE SÉCHOIR À PULVÉRISATION ÉLECTROSTATIQUE
Abstract
(EN)
An electrostatic spray dryer for drying liquid into powder including an elongated cylindrical drying chamber having an electrostatic spray nozzle at an upper end and a powder collection vessel at a lower end. The powder collection vessel includes a removable and replaceable filter collections sock made of filter material for receiving and collecting dried powder from the drying chamber. For cleaning residual powder from an inside wall of the drying chamber, a scraper member is provided that is coupled by magnetic attraction to a manually removable driver on the external surface of the wall.
(FR)
L'invention concerne un séchoir à pulvérisation électrostatique permettant de sécher un liquide en une poudre comprenant une chambre de séchage cylindrique allongée comportant une buse de pulvérisation électrostatique au niveau d'une extrémité supérieure et un récipient de collecte de poudre à une extrémité inférieure. Le récipient de collecte de poudre comprend une chaussette de collecte formant filtre amovible et remplaçable constituée d'un matériau de filtre servant à recevoir et à collecter la poudre séchée provenant de la chambre de séchage. Pour nettoyer la poudre résiduelle d'une paroi intérieure de la chambre de séchage, un élément racleur est prévu, qui est couplé par attraction magnétique à un organe d'entraînement pouvant être retiré manuellement situé sur la surface externe de la paroi.
Latest bibliographic data on file with the International Bureau