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Formation of Fine Powder Membrane and Surface Reforming of Fluidizing Particles by Atomization Coating Method

Research Project

Project/Area Number 06650863
Research Category

Grant-in-Aid for General Scientific Research (C)

Allocation TypeSingle-year Grants
Research Field 化学工学一般
Research InstitutionKyushu Institute of Technology

Principal Investigator

MATSUNO Yoshizo  Kyushu Institute of Technology, Faculty of Engineering, Professor, 工学部, 教授 (20039093)

Co-Investigator(Kenkyū-buntansha) OGURA Hironao  Kyushu Institute of Technology, Faculty of Engineering, Assoctant Professor, 工学部, 助手 (40253554)
KAGE Hiroyuki  Kyushu Institute of Technology, Faculty of Engineering, Associate Professor, 工学部, 助教授 (80142355)
Project Period (FY) 1994 – 1995
Project Status Completed (Fiscal Year 1995)
Budget Amount *help
¥2,000,000 (Direct Cost: ¥2,000,000)
Fiscal Year 1995: ¥1,100,000 (Direct Cost: ¥1,100,000)
Fiscal Year 1994: ¥900,000 (Direct Cost: ¥900,000)
KeywordsCoating, / Fluidized Bed, / Vibro-Fluidized Bed, / Circulating Fluidized Bed, / Glass bead, / Thermal operating factor, / Humidity, / Agglomeration / ナイロン / シリカ / バインダー
Research Abstract

Using a fluidized bed coater, coating of glass beads with nylon and silica powder was carried out in order to investigate the effects of various operating conditions on coating efficiensy. Further, the possibility of the powder coating of fluidizing particles by the use of the vibro-fluidized bed and the circulating fluidized bed, which were considered to prevent the agglomeration among core particles in their coating processes, was investigated.
1.The coating efficiency was strongly related to the moisture content of the coating layr and the wettability of coating layr surface, and high coating efficiency was obtained under the experimental conditions when the coating layr contained a high moisture content.
2.A new index R was introduced and was defined as the ratio of the humidity of the outlet fluidizing gas to the humidity of the gas saturated adiabatically in the bed. It was confirmed that effect of thermal operating factors, such as bed temperature, humidity of fluidizing gas and feed rate of powder suspension, on the coating efficiency could be evaluated well by the index.
3.High coating efficiency was obtained and the progress of agglomeration among core particles was prevented with high amplitude and high frequency of vibration in vibro-fluidized bed.
4.Fluidizing particles were successfully coated with fine powder in circulating fluidized bed. Coating free of agglomeration among core particles was possible enough by the fluidizing gas of room temperature because of the effective heat transfer and active movement of particles in circulating fluidized bed.

Report

(3 results)
  • 1995 Annual Research Report   Final Research Report Summary
  • 1994 Annual Research Report
  • Research Products

    (20 results)

All Other

All Publications (20 results)

  • [Publications] H.Kage 他: "Powder Coating of Fluidizing Particles in Circulating Fluidized Bed" Fluidization '94,Science and Technology (Chemical Industry Press). 173-179 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] 鹿毛浩之 他: "循環流動層を使用した流動化粒子の微粒子コーティング" 第4回シンポジウム,粉体材料の流動層プロセシング(化学工学会). 47-54 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] M.Oba 他: "Influence of Vibration on Powder Coating of Fluidizing Particles" Proc.of 7th Symposium on Chemical Engineering,Kyushu-Taejin/Chungnam. 189-190 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] 鹿毛浩之 他: "振動流動層を用いた流動化粒子の微粒子コーティング" Proc.of 1st SCEJ Symposium on Fluidization. 122-129 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] H.Kage 他: "Caating Efficiency of Seed Particles in Fluidized Bed by Atomization of Powder Suspension" Powder Technology. 86. 243-250 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] H.Kage 他: "Applicution of Circulating Fluidized Bed to Powder Coating of Particles" Proc.of 5th Int.Conf.on Cirulating Fluidized Bed. (発表予定). (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] H.Kage et al.: "Powder Coating of Fluidizing Particles in Circulating Fluidized Bed" Fluidization '94, Science and Technology Chem.Industry Press. 173-179 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] H.Kage et al.: "Powder Coating of Fluidizing Particles in Circulating Fluidized Bed" Proc.of 4th Symp.on Fluidized Bed Processing for Pawder Materials. 47-54 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] M.Oba et al.: "Influence of Vibration on Powder Coating of Fluidizing Particles" Proc.of 7th Symp.on Chem.Eng., Kyushu-Taejon/Chungnam. 189-190 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] H.Kage et al.: "Powder Coating of Fluidizing Particles in vibro-Fluidized Bed" Proc.of 1sh SCEJ Symp.on Fluidization. 122-129 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] H.Kage et al.: "Coating Efficiency of Seed Particles in Fluidized Bed by Atomization of Powder Suspension" Powder Technology. 86. 243-250 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] H.Kage et al.: "Application of Circulating Fluidized Be to Powder Coating of Particles" Proc.of 5th Int.Conf.on Circulating Fluidized Beds. (accepted). (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] H.Kage,H.Matsui,Y.Matsuno: "Powder Coating of Fluidizing Purticles in Circuluting Fluidized Bed" Fluidization'94,Science and Technology,(Chem.Industry Pren). 173-179 (1994)

    • Related Report
      1995 Annual Research Report
  • [Publications] 鹿毛浩之、松野儀三他: "循環流動層を使用した流動化粒子の微粒子コーティング" 第4回シンポジウム 粉体材料の流動層プロセシング(化学工学会). 47-54 (1994)

    • Related Report
      1995 Annual Research Report
  • [Publications] 鹿毛浩之、松野儀三他: "振動流動層を用いた流動化粒子の微粒子コーティング" Proc.of 1st SCEJ Symposium on Fluidization. 122-129 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] H.Kage,Y.Matsuno他: "Coating Efficiency of Seed Particles in Fluidized Bed by Atomization of Powder Suspension" Powder Technology. 86. 243-250 (1996)

    • Related Report
      1995 Annual Research Report
  • [Publications] H.Kage,Y.Matsuno他: "Application of Circulating Fluidized Bed to Powder Coating of Particles" Proc.of 5th Int.Conf.on Circulating Fluidized Beds. (発表予定). (1996)

    • Related Report
      1995 Annual Research Report
  • [Publications] M.Oba,T.Kuwamoto,H.Ishimatsu,H.Kage,H.Ogura,Y.Matsuno: "Influence of Vibration on Powder Coating of Fluidizing Particles" The 7th Symp.on Chem.Eng.,Kyushu-Taejon/Chungnam. 189-190 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] H.Kage,H.Matsui,Y.Matsuno: "Powder Coating of Fluidizing Particles in Circulating Fluidized Bed" Fluidization ´94,Science and Technology Chemical Industry Press. 173-179 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] 鹿毛、片山、松井、小倉、松野: "循環流動層を使用した流動化粒子の微粒子コーティング" 第4回シンポジウム粉体材料の流動層プロセシング 化学工学会. 47-54 (1994)

    • Related Report
      1994 Annual Research Report

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Published: 1994-04-01   Modified: 2016-04-21  

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