WO2009046643A1 - Pulvérisateur de poudre fluorescente pour écran plasma de type à masque perforé - Google Patents

Pulvérisateur de poudre fluorescente pour écran plasma de type à masque perforé Download PDF

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Publication number
WO2009046643A1
WO2009046643A1 PCT/CN2008/071392 CN2008071392W WO2009046643A1 WO 2009046643 A1 WO2009046643 A1 WO 2009046643A1 CN 2008071392 W CN2008071392 W CN 2008071392W WO 2009046643 A1 WO2009046643 A1 WO 2009046643A1
Authority
WO
WIPO (PCT)
Prior art keywords
tank
slurry
spraying device
plasma display
liquid
Prior art date
Application number
PCT/CN2008/071392
Other languages
English (en)
Chinese (zh)
Inventor
Rulin Wang
Lifeng Zhu
Xiong Zhang
Baoping Wang
Qingyuan Lin
Original Assignee
Nanjing Huaxian High Technology Co., Ltd.
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 Nanjing Huaxian High Technology Co., Ltd. filed Critical Nanjing Huaxian High Technology Co., Ltd.
Publication of WO2009046643A1 publication Critical patent/WO2009046643A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/16—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed
    • B05B7/166—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed the material to be sprayed being heated in a container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2489—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device an atomising fluid, e.g. a gas, being supplied to the discharge device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2489—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device an atomising fluid, e.g. a gas, being supplied to the discharge device
    • B05B7/2494—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device an atomising fluid, e.g. a gas, being supplied to the discharge device a liquid being supplied from a pressurized or compressible container to the discharge device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/14—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
    • B05B7/1404—Arrangements for supplying particulate material
    • B05B7/1431—Arrangements for supplying particulate material comprising means for supplying an additional liquid
    • B05B7/1436—Arrangements for supplying particulate material comprising means for supplying an additional liquid to a container where the particulate material and the additional liquid are brought together

Definitions

  • the present invention relates to a spraying device, and more particularly to a device for spraying phosphors used in the manufacture of flat panel displays, and more particularly to a phosphor constant temperature and constant pressure spraying device for a shadow mask plasma display.
  • the object of the present invention is to solve the problem of uneven spraying caused by a series of problems such as temperature, pressure and agitation in the prior phosphor coating, and to design a phosphor constant temperature of a shadow mask type plasma display with uniform constant temperature and constant pressure stirring. Constant pressure spraying device.
  • a phosphor constant temperature and constant pressure spraying device for a shadow mask plasma display comprising a spray gun 1, a slurry tank 9, and a slurry tank 9 connected with a feed port 10, an exhaust port 11 and a discharge port 12, the spray gun 1
  • the feed port is connected to the compressed air source 8 and the slurry tank 9, respectively, characterized in that the tank wall of the slurry tank 9 has a double-layer structure, and a liquid medium is passed through the tank wall, and the liquid medium and the heat exchange system 2;
  • the compressed air source 8 communicates with the space in the upper portion of the liquid in the slurry tank 9 through a gas pipe, the gas pipe is provided with a constant pressure crucible 6; and the slurry tank 9 is further provided with a stirring shaft 3, the stirring shaft 3 is driven by a stirring motor.
  • the slurry tank 9 is also connected with a thermometer 4 for measuring the temperature of the slurry in the tank, and a liquid reflecting the level of the liquid in the tank.
  • the gauge 5 and the pressure gauge 7 reflecting the pressure in the tank.
  • the invention can keep the temperature of the phosphor slurry constant through the heat exchange system, so that the viscosity of the liquid remains unchanged; the pressure acting on the liquid surface is kept constant by constant pressure enthalpy, thereby ensuring that the liquid pressure in the feed pipe is constant, reaching The flow is stable. Therefore, the use of the spraying device of the present invention greatly reduces the performance requirements of the nozzle, and greatly reduces the procurement cost. At the same time, the control of the invention is simple, no complicated and complicated control is required, the control failure factor is reduced, and the production efficiency is improved. For other spraying industries, especially those that require temperature and flow control, they can be adapted to a wide range of applications! DRAWINGS
  • FIG. 1 is a schematic view of the structure of the present invention. detailed description
  • Constant temperature heat exchange system Keep the phosphor slurry in the tank at the set temperature.
  • thermometer Determine the slurry temperature.
  • a phosphor constant temperature and constant pressure spraying device for a shadow mask plasma display comprising a spray gun 1, a slurry tank 9, and a slurry tank 9 connected with a feed port 10, an exhaust port 11 and a discharge port 12, the spray gun 1
  • the feed port is respectively connected to the compressed air source 8 and the slurry tank 9.
  • the tank wall of the slurry system tank 9 has a double-layer structure, and a liquid medium is passed through the tank wall, and the liquid medium and the constant temperature heat exchange system 2 Connected; the compressed air source 8 communicates with the space in the upper portion of the liquid in the slurry tank 9 through a gas pipe, the gas pipe is provided with a constant pressure crucible 6; and the slurry tank 9 is further provided with a stirring shaft 3, the stirring shaft 3 It is driven by a stirring motor or a stirring air pump. Further, the slurry tank 3 is connected to a thermometer 4 for measuring the temperature of the slurry in the tank, a level gauge 5 reflecting the level of the liquid in the tank, and a pressure gauge 7 reflecting the pressure in the tank.
  • the present invention mainly consists of a spray gun 1, a constant temperature system 2, a stirring shaft 3, a thermometer 4, a level gauge 5, a constant pressure ⁇ 6, a pressure gauge 7, a compressed air source 8, a slurry tank 9, and
  • the material port 10, the exhaust port 11, and the discharge port 12 are composed.
  • the slurry tank 9 is of a two-layer structure, filled with water in the middle, and the water temperature is kept constant under the action of the constant temperature heat exchange system 2 (which can be composed of a circulation pump and an electric heating device), thereby reaching the inside of the tank.
  • the temperature of the slurry is stable; the thermometer 4 monitors whether the temperature of the slurry reaches the designed value; the slurry tank 9 is connected to the gas source, and when the constant pressure ⁇ 6 sets a certain pressure, the enthalpy controls the air pressure in the slurry tank 9. . No matter how the liquid level changes, it can keep the liquid pressure in the tank constant (continuously supply pressure from the compressed air source), so that the liquid flow rate remains stable; the air pump motor or motor drives the stirring shaft 3 to rotate, so that the slurry is fully stirred.
  • the level gauge 5 controls the liquid level within a certain range, and the liquid is reduced to a certain extent.
  • the degree can be fed from the feed port 10; before the feed, the exhaust port 11 is opened, and the exhaust gas prevents the slurry from being discharged; the waste can be discharged through the discharge port 12.

Landscapes

  • Nozzles (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

Cette invention concerne un pulvérisateur de poudre fluorescente pour écran plasma de type à masque perforé, lequel dispositif comprend une tuyère (1) et un pot de pâte (9). Le pot de pâte (9) est relié à une ouverture d'alimentation (10), une ouverture d'évacuation de l'air (11) et une ouverture de décharge (12). L'ouverture d'alimentation de la tuyère (1) est reliée à une source d'air comprimé (8) et au pot de pâte (9), respectivement. La paroi latérale du pot de pâte (9) présente une double couche est un milieu liquide est contenu dans la paroi latérale. Le milieu liquide est relié à un échangeur de chaleur (2). La source d'air comprimé (8) est reliée à l'espace ménagé sous le liquide dans le pot de pâte (9) à travers un tube d'air lequel est équipé d'une vanne à pression constante (6). Un agitateur (3) est placé dans le pot de pâte (9), il est actionné par un moteur. Le pulvérisateur de poudre fluorescente décrit dans cette invention présente une conception simple et un bon effet de pulvérisation.
PCT/CN2008/071392 2007-10-10 2008-06-20 Pulvérisateur de poudre fluorescente pour écran plasma de type à masque perforé WO2009046643A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200710132954.8 2007-10-10
CN2007101329548A CN101143354B (zh) 2007-10-10 2007-10-10 荫罩式等离子体显示器的荧光粉恒温恒压喷涂装置

Publications (1)

Publication Number Publication Date
WO2009046643A1 true WO2009046643A1 (fr) 2009-04-16

Family

ID=39206185

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2008/071392 WO2009046643A1 (fr) 2007-10-10 2008-06-20 Pulvérisateur de poudre fluorescente pour écran plasma de type à masque perforé

Country Status (2)

Country Link
CN (1) CN101143354B (fr)
WO (1) WO2009046643A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113231215A (zh) * 2021-05-07 2021-08-10 浙江埃登达新能源材料有限公司 一种铅膏雾化混合装置
CN113477479A (zh) * 2021-06-23 2021-10-08 中国船舶重工集团公司第七一五研究所 一种应用于点胶涂覆系统的供胶设备
CN116946739A (zh) * 2023-07-05 2023-10-27 青岛黑猫新材料研究院有限公司 一种应用于湿法母胶生产的乳胶输送装置

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CN101143354B (zh) * 2007-10-10 2011-04-27 南京华显高科有限公司 荫罩式等离子体显示器的荧光粉恒温恒压喷涂装置
CN101281843B (zh) * 2008-05-27 2010-06-02 南京华显高科有限公司 荫罩式等离子体显示屏荧光粉膜的制备方法
CN101853627B (zh) * 2010-05-19 2011-12-14 东南大学 一种荫罩式等离子显示器驱动方法
TWI571312B (zh) * 2015-07-29 2017-02-21 漢民科技股份有限公司 噴塗設備
CN104984845B (zh) * 2015-08-17 2017-03-01 临朐远宏金属制品有限公司 可自动清理的供粉中心
CN105880069B (zh) * 2016-06-15 2018-07-27 北京建工环境修复股份有限公司 挥发性有机污染场地气味抑制系统及使用方法
CN108572051A (zh) * 2017-03-07 2018-09-25 鸡西市星光热风炉制造有限公司 布袋除尘器漏袋检测装置
CN108786204A (zh) * 2018-04-27 2018-11-13 多氟多（焦作）新能源科技有限公司 一种浆料过滤装置及其盛料罐、盛料罐封盖结构
CN110198598A (zh) * 2019-06-17 2019-09-03 安徽芯瑞达科技股份有限公司 一种将荧光溶液均匀印刷在pcb板上的工艺
CN114887841B (zh) * 2022-05-09 2023-11-10 宁夏东方钽业股份有限公司 一种燃烧室冷却槽道内壁涂覆装置及方法

Citations (7)

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US3720306A (en) * 1971-01-07 1973-03-13 Gte Sylvania Inc Means and process for achieving a controlled particle size range of cathode ray tube phosphors
JPS61267232A (ja) * 1985-05-20 1986-11-26 Ricoh Co Ltd 蛍光表示管における蛍光面形成装置
WO1999033933A1 (fr) * 1997-12-31 1999-07-08 Orion Electric Co., Ltd. Procede pour revetir des particules de phosphore, particules de phosphore ainsi revetues et procede electrographique a sec de production d'ecran faisant appel auxdites particules pour un tube cathodique
CN1438669A (zh) * 2003-03-26 2003-08-27 东南大学 一种等离子体显示器的单色荧光粉喷涂方法
CN2693338Y (zh) * 2003-12-22 2005-04-20 中国科学院过程工程研究所 一种喷流式悬浮聚合反应装置
CN101143354A (zh) * 2007-10-10 2008-03-19 南京华显高科有限公司 荫罩式等离子体显示器的荧光粉恒温恒压喷涂装置
CN201098651Y (zh) * 2007-10-10 2008-08-13 南京华显高科有限公司 荫罩式等离子体显示器的荧光粉恒温恒压喷涂装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3720306A (en) * 1971-01-07 1973-03-13 Gte Sylvania Inc Means and process for achieving a controlled particle size range of cathode ray tube phosphors
JPS61267232A (ja) * 1985-05-20 1986-11-26 Ricoh Co Ltd 蛍光表示管における蛍光面形成装置
WO1999033933A1 (fr) * 1997-12-31 1999-07-08 Orion Electric Co., Ltd. Procede pour revetir des particules de phosphore, particules de phosphore ainsi revetues et procede electrographique a sec de production d'ecran faisant appel auxdites particules pour un tube cathodique
CN1438669A (zh) * 2003-03-26 2003-08-27 东南大学 一种等离子体显示器的单色荧光粉喷涂方法
CN2693338Y (zh) * 2003-12-22 2005-04-20 中国科学院过程工程研究所 一种喷流式悬浮聚合反应装置
CN101143354A (zh) * 2007-10-10 2008-03-19 南京华显高科有限公司 荫罩式等离子体显示器的荧光粉恒温恒压喷涂装置
CN201098651Y (zh) * 2007-10-10 2008-08-13 南京华显高科有限公司 荫罩式等离子体显示器的荧光粉恒温恒压喷涂装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113231215A (zh) * 2021-05-07 2021-08-10 浙江埃登达新能源材料有限公司 一种铅膏雾化混合装置
CN113231215B (zh) * 2021-05-07 2023-12-22 浙江埃登达新能源材料有限公司 一种铅膏雾化混合装置
CN113477479A (zh) * 2021-06-23 2021-10-08 中国船舶重工集团公司第七一五研究所 一种应用于点胶涂覆系统的供胶设备
CN116946739A (zh) * 2023-07-05 2023-10-27 青岛黑猫新材料研究院有限公司 一种应用于湿法母胶生产的乳胶输送装置
CN116946739B (zh) * 2023-07-05 2024-01-19 青岛黑猫新材料研究院有限公司 一种应用于湿法母胶生产的乳胶输送装置

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Publication number Publication date
CN101143354A (zh) 2008-03-19
CN101143354B (zh) 2011-04-27

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