JPS5732726A - Spouted bed granulation method - Google Patents

Spouted bed granulation method

Info

Publication number
JPS5732726A
JPS5732726A JP10630580A JP10630580A JPS5732726A JP S5732726 A JPS5732726 A JP S5732726A JP 10630580 A JP10630580 A JP 10630580A JP 10630580 A JP10630580 A JP 10630580A JP S5732726 A JPS5732726 A JP S5732726A
Authority
JP
Japan
Prior art keywords
particles
spouted bed
granulator
spouting
obstacle
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.)
Granted
Application number
JP10630580A
Other languages
Japanese (ja)
Other versions
JPS6330060B2 (en
Inventor
Takashi Nagahama
Tetsuzo Honda
Yoshinori Sato
Kenji Toyama
Gizaburo Shiozu
Nobuyuki Matsumoto
Masaki Naruo
Susumu Nio
Yuji Hirayama
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.)
Mitsui Toatsu Chemicals Inc
Toyo Engineering Corp
Original Assignee
Mitsui Toatsu Chemicals Inc
Toyo Engineering 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 Mitsui Toatsu Chemicals Inc, Toyo Engineering Corp filed Critical Mitsui Toatsu Chemicals Inc
Priority to JP10630580A priority Critical patent/JPS5732726A/en
Priority to IN228/DEL/81A priority patent/IN155886B/en
Priority to US06/258,846 priority patent/US4354450A/en
Priority to BR8102729A priority patent/BR8102729A/en
Priority to DE19813117892 priority patent/DE3117892A1/en
Priority to CA000376955A priority patent/CA1157253A/en
Priority to GB8113750A priority patent/GB2077628B/en
Priority to NZ197019A priority patent/NZ197019A/en
Priority to NL8102239A priority patent/NL8102239A/en
Priority to FR8109083A priority patent/FR2481947A1/en
Publication of JPS5732726A publication Critical patent/JPS5732726A/en
Publication of JPS6330060B2 publication Critical patent/JPS6330060B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To save various installations and quantity of heat required for supplying of seed particles by placing obstacle objects upward from the spouted bed of a spouted bed granulator, crushing part of spouting particles through collision, returning the same to the spouted bed right thereunder and using these as seed particles.
CONSTITUTION: In a spouted bed granulator 1, the particles of particle beds 18 are always flowed by the high velocity gas fed by pressure from a gas feed pipe 4, and spouting upward. Here, the liquid of a material which coats the particles and increases their sizes is sprayed by nozzles or the like through a supply pump 2 and a supply pipe 3, and are stuck and solidified to the flowing particles, whereby granulation is accomplished. At this time, part of the ejecting particles 17 are crushed by obstacle objects 5 provided in the upper space of the spouted bed, and are used as small particles serving as seed particles. By controlling the grain sizes and amount of the small particles formed by the crushing with an obstacle object variable mechanism 16, the grain size distributions of the granules from a granulator extraction port 6 are controlled within a desired range. The resultant granules are cooled with, for example, a cooler 7, whereby products 9 are obtained.
COPYRIGHT: (C)1982,JPO&Japio
JP10630580A 1980-05-07 1980-08-01 Spouted bed granulation method Granted JPS5732726A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
JP10630580A JPS5732726A (en) 1980-08-01 1980-08-01 Spouted bed granulation method
IN228/DEL/81A IN155886B (en) 1980-05-07 1981-04-16
US06/258,846 US4354450A (en) 1980-05-07 1981-04-29 Jet layer granulator
BR8102729A BR8102729A (en) 1980-05-07 1981-05-04 INJECTED CAMERA GRANULATOR
DE19813117892 DE3117892A1 (en) 1980-05-07 1981-05-06 BLAST LAYER GRANULATOR
CA000376955A CA1157253A (en) 1980-05-07 1981-05-06 Jet layer granulator
GB8113750A GB2077628B (en) 1980-05-07 1981-05-06 Jet layer granulator
NZ197019A NZ197019A (en) 1980-05-07 1981-05-06 Jet layer granulator:liquid nozzle located slightly above gas nozzle
NL8102239A NL8102239A (en) 1980-05-07 1981-05-07 GRANULATOR WITH SWIRL LAYER.
FR8109083A FR2481947A1 (en) 1980-05-07 1981-05-07 GRANULATOR WITH INJECTION FLUIDIZED LAYER COMPRISING A GAS INJECTION OPENING AND A LIQUID INJECTING OPENING

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10630580A JPS5732726A (en) 1980-08-01 1980-08-01 Spouted bed granulation method

Publications (2)

Publication Number Publication Date
JPS5732726A true JPS5732726A (en) 1982-02-22
JPS6330060B2 JPS6330060B2 (en) 1988-06-16

Family

ID=14430289

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10630580A Granted JPS5732726A (en) 1980-05-07 1980-08-01 Spouted bed granulation method

Country Status (1)

Country Link
JP (1) JPS5732726A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009504584A (en) * 2005-08-10 2009-02-05 グラット インジェニェーアテヒニク ゲゼルシャフト ミット ベシュレンクテル ハフツング Method for producing urea pellets
US7966745B2 (en) * 2003-06-26 2011-06-28 Urea Casale S.A. Fluid bed granulation process and apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7966745B2 (en) * 2003-06-26 2011-06-28 Urea Casale S.A. Fluid bed granulation process and apparatus
JP2009504584A (en) * 2005-08-10 2009-02-05 グラット インジェニェーアテヒニク ゲゼルシャフト ミット ベシュレンクテル ハフツング Method for producing urea pellets

Also Published As

Publication number Publication date
JPS6330060B2 (en) 1988-06-16

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