System and method of particulating 4,4' methylenebis (2-chloroaniline).

申请公布号：: EP0169626(A2)
申请号：: EP19850301109
申请日期：: 1985.02.19
申请公布日期：: 1986.01.29
申请人：: BOFORS NOBEL, INC.
发明人：: HILLS, BLAIR HOWARD;CRISPINO, VINCENT J.
分类号：: B01J2/00;B07B9/00;C07C67/00;C07C209/00;C07C209/90;C07C211/52;(IPC1-7):C07C87/60;C07C85/26
主分类号：: B01J2/00
摘要：: <p>A system (10) and method for producing a particulate MBOCA product including relatively uniformly sized granules. The system includes a pan granulator (68), a dust hood (70) enclosing the granulator pan, and a blower (76) for circulating an air stream through the hood to carry away the heat of fusion of the granulation. Suitable drum charging apparatus has a filler tube (186, 188, 200) extendable into a drum (154), a dust cup (182) covering the drum opening when the filler tube is inserted therein, and a vacuum for drawing air through the dust cup. Air displaced from the drum and product particles dispersed therein are therefore drawn into the vacuum for subsequent recovery of product particles. All the air in the system can be filtered before being discharged into the outside atmosphere. </p>