ES351399A1 - Continuous Process Crystallizer - Google Patents

Continuous Process Crystallizer

Info

Publication number
ES351399A1
ES351399A1 ES351399A ES351399A ES351399A1 ES 351399 A1 ES351399 A1 ES 351399A1 ES 351399 A ES351399 A ES 351399A ES 351399 A ES351399 A ES 351399A ES 351399 A1 ES351399 A1 ES 351399A1
Authority
ES
Spain
Prior art keywords
tower
hub
magnetic material
continuous process
spiral scraper
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.)
Expired
Application number
ES351399A
Other languages
Spanish (es)
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Publication of ES351399A1 publication Critical patent/ES351399A1/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G43/00—Compounds of uranium
    • C01G43/04—Halides of uranium
    • C01G43/06—Fluorides
    • C01G43/063—Hexafluoride (UF6)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0004—Crystallisation cooling by heat exchange
    • B01D9/0013—Crystallisation cooling by heat exchange by indirect heat exchange
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/005—Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction thereof

Abstract

An apparatus for. the continuous crystallization of hazardous material such as UF 6 from the vapour phase comprises a vertical tower 1 having a cooling jacket 4, rotary spiral scraper 7 connected to a hub 3, liquid inlet and outlet pipes 2, and crystal-collecting chamber 25. The spiral scraper is heated to prevent crystallization thereon by means of an induction coil 26 around the tower. The tower is surmounted by a sealed housing 14 containing a rotor 9 of magnetic material which is connected to. the hub and is rotated therewith by rotation of a sleeve 11 of magnetic material outside the housing. The tower may be of Ni-Cu alloy.
ES351399A 1967-03-09 1968-03-08 Continuous Process Crystallizer Expired ES351399A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR98194A FR1529654A (en) 1967-03-09 1967-03-09 Continuous operating crystallizer

Publications (1)

Publication Number Publication Date
ES351399A1 true ES351399A1 (en) 1969-12-01

Family

ID=8626676

Family Applications (1)

Application Number Title Priority Date Filing Date
ES351399A Expired ES351399A1 (en) 1967-03-09 1968-03-08 Continuous Process Crystallizer

Country Status (7)

Country Link
BE (1) BE711275A (en)
CH (1) CH489258A (en)
DE (1) DE1986024U (en)
ES (1) ES351399A1 (en)
FR (1) FR1529654A (en)
GB (1) GB1168962A (en)
LU (1) LU55550A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3856477A (en) * 1970-12-28 1974-12-24 H Ishizuka Process for refining zirconium tetrachloride containing hafnium tetrachloride

Also Published As

Publication number Publication date
CH489258A (en) 1970-04-30
GB1168962A (en) 1969-10-29
BE711275A (en) 1968-07-01
FR1529654A (en) 1968-06-21
DE1986024U (en) 1968-05-30
LU55550A1 (en) 1968-05-03

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