RU93004586A - INSTALLATION AND METHOD OF CRYSTALLIZATION OF INORGANIC SUBSTANCE AND INSTALLATION FOR CRYSTALLIZATION OF SODIUM MONOGRATE CARBONATE - Google Patents

INSTALLATION AND METHOD OF CRYSTALLIZATION OF INORGANIC SUBSTANCE AND INSTALLATION FOR CRYSTALLIZATION OF SODIUM MONOGRATE CARBONATE

Info

Publication number
RU93004586A
RU93004586A RU93004586/26A RU93004586A RU93004586A RU 93004586 A RU93004586 A RU 93004586A RU 93004586/26 A RU93004586/26 A RU 93004586/26A RU 93004586 A RU93004586 A RU 93004586A RU 93004586 A RU93004586 A RU 93004586A
Authority
RU
Russia
Prior art keywords
crystallization
installation
suspension
carbonate
monograte
Prior art date
Application number
RU93004586/26A
Other languages
Russian (ru)
Other versions
RU2120819C1 (en
Inventor
Нинан Леон
Бретон Клод
Original Assignee
Солвей
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
Priority claimed from FR9203698A external-priority patent/FR2689029B1/en
Application filed by Солвей filed Critical Солвей
Publication of RU93004586A publication Critical patent/RU93004586A/en
Application granted granted Critical
Publication of RU2120819C1 publication Critical patent/RU2120819C1/en

Links

Claims (1)

Установка для кристаллизации неорганического материала в суспензии кристаллов путем снижения насыщения перенасыщенного раствора содержит камеру кристаллизации с вертикальной осью, разделенную на центральную и кольцевую зоны, устройство для вертикального прямолинейного перемещения суспензии кристаллов в центральной зоне и вертикального прямолинейного перемещения этой суспензии в противоположном направлении в кольцевой зоне устройство отбора суспензии, включающее трубку, выходящую в одну из зон, устройство для механического разрезания суспензии кристаллов, содержащее диск, несущий венец режущих зубьев, и трубку, проходящую сквозь крышку и служащую для введения безводного карбоната натрия, причем трубка имеет продолжение внутри камеры кристаллизации, по которому циркулирует слой воды.An apparatus for crystallizing an inorganic material in a suspension of crystals by reducing the saturation of a supersaturated solution contains a crystallization chamber with a vertical axis divided into central and annular zones, a device for vertical rectilinear movement of a suspension of crystals in the central zone and a vertical rectilinear movement of this suspension in the opposite direction in an annular zone. selection of the suspension, including a tube that goes into one of the zones, a device for mechanical discharge zaniya crystal slurry, comprising a disc carrying cutting teeth crown, and a tube extending through the lid and serving for the introduction of anhydrous sodium carbonate, wherein the tube has an extension inside the crystallization chamber, on which a layer of water is circulated.
RU93004586A 1992-03-25 1993-03-24 Installation and method of inorganic substance crystallization, installation for crystallization of monohydrate sodium carbonate RU2120819C1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9203698 1992-03-25
FR9203698A FR2689029B1 (en) 1992-03-25 1992-03-25 Installation and method for the crystallization of a mineral substance and method for the crystallization of sodium carbonate monohydrate.

Publications (2)

Publication Number Publication Date
RU93004586A true RU93004586A (en) 1996-01-20
RU2120819C1 RU2120819C1 (en) 1998-10-27

Family

ID=9428138

Family Applications (1)

Application Number Title Priority Date Filing Date
RU93004586A RU2120819C1 (en) 1992-03-25 1993-03-24 Installation and method of inorganic substance crystallization, installation for crystallization of monohydrate sodium carbonate

Country Status (9)

Country Link
US (1) US5396863A (en)
EP (1) EP0562665B1 (en)
JP (1) JP3392453B2 (en)
AT (1) ATE158782T1 (en)
CA (1) CA2092380C (en)
DE (1) DE69314207T2 (en)
FR (1) FR2689029B1 (en)
PL (2) PL171239B1 (en)
RU (1) RU2120819C1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5766270A (en) 1996-05-21 1998-06-16 Tg Soda Ash, Inc. Solution mining of carbonate/bicarbonate deposits to produce soda ash
US6322767B1 (en) 1996-05-21 2001-11-27 Fmc Corporation Process for making sodium carbonate decahydrate from sodium carbonate/bicarbonate liquors
US5955043A (en) 1996-08-29 1999-09-21 Tg Soda Ash, Inc. Production of sodium carbonate from solution mine brine
US6228335B1 (en) 1997-12-10 2001-05-08 Fmc Wyoming Corporation Process for the production of sodium carbonate crystals
TR200002222T2 (en) 1998-01-28 2000-12-21 Environmental Projects,Inc. Recrystallization of sodium carbonate
US6609761B1 (en) 1999-01-08 2003-08-26 American Soda, Llp Sodium carbonate and sodium bicarbonate production from nahcolitic oil shale
US6464736B1 (en) 1999-08-05 2002-10-15 Environmental Projects, Inc. Recrystallization process
CN105568359B (en) * 2016-01-27 2017-10-31 济南晶艺光电技术有限公司 The integrated growth furnace of water-soluble liquid crystal
CN109603190A (en) * 2018-12-13 2019-04-12 许正 Crystallizer is used in a kind of production of heavy soda ash
CN109437249B (en) * 2018-12-28 2021-09-21 南京六合高新建设发展有限公司 Production method of heavy alkali
CN109704370B (en) * 2018-12-28 2021-11-23 台州市路桥凯通管业有限公司 High-efficient crystallization apparatus for producing of heavy matter alkali
CN113856235A (en) * 2021-09-29 2021-12-31 浙江大华技术股份有限公司 Cooling crystallization control method, device, electronic equipment and system

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE351947C (en) * 1919-07-26 1922-04-21 Der Chemischen Produkten Fabri Process for the uninterrupted extraction of uniform, well-formed crystals from solutions
US2034969A (en) * 1932-10-29 1936-03-24 Firm Rud Otto Meyer Apparatus for effecting the growth of crystals in vacuo
US3236590A (en) * 1962-12-10 1966-02-22 Allied Chem Anhydrous dense soda ash
BE661071A (en) * 1964-03-12
US3529938A (en) * 1967-10-06 1970-09-22 Upjohn Co Crystallization or leaching device
US3865922A (en) * 1969-01-10 1975-02-11 Ver Kunstmestf Mekog Albatros Process for the preparation of crystalline calcium sulphate and phosphoric acid
US4022820A (en) * 1974-11-12 1977-05-10 Monsanto Company Solidification and crystallization of materials
FR2512002A1 (en) * 1981-08-26 1983-03-04 Solvay PROCESS AND PLANT FOR THE MANUFACTURE OF SODIUM MONOHYDRATE CARBONATE
JPS594401A (en) * 1982-06-29 1984-01-11 Kureha Chem Ind Co Ltd Purification device of crystal
JPS6025504A (en) * 1983-07-21 1985-02-08 Kureha Chem Ind Co Ltd Crystal purifying apparatus
JPS62244402A (en) * 1986-04-15 1987-10-24 Kureha Chem Ind Co Ltd Crystal refining device
US5143543A (en) * 1991-08-23 1992-09-01 U.S. Gold Corporation Biological conversion method

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