RU98105491A - METHOD FOR PRODUCING POTASSIUM CHLORIDE - Google Patents

METHOD FOR PRODUCING POTASSIUM CHLORIDE

Info

Publication number
RU98105491A
RU98105491A RU98105491/12A RU98105491A RU98105491A RU 98105491 A RU98105491 A RU 98105491A RU 98105491/12 A RU98105491/12 A RU 98105491/12A RU 98105491 A RU98105491 A RU 98105491A RU 98105491 A RU98105491 A RU 98105491A
Authority
RU
Russia
Prior art keywords
potassium chloride
rvku
drying
dedusting
solution
Prior art date
Application number
RU98105491/12A
Other languages
Russian (ru)
Other versions
RU2143999C1 (en
Inventor
Ю.С. Сафрыгин
Г.Г. Федоров
Ю.В. Букша
В.И. Тимофеев
А.В. Паскина
А.М. Поликша
В.И. Городецкий
А.А. Чистяков
В.П. Шанин
В.М. Гуров
Original Assignee
Открытое акционерное общество "Уралкалий"
Filing date
Publication date
Application filed by Открытое акционерное общество "Уралкалий" filed Critical Открытое акционерное общество "Уралкалий"
Priority to RU98105491A priority Critical patent/RU2143999C1/en
Priority claimed from RU98105491A external-priority patent/RU2143999C1/en
Application granted granted Critical
Publication of RU2143999C1 publication Critical patent/RU2143999C1/en
Publication of RU98105491A publication Critical patent/RU98105491A/en

Links

Claims (1)

Способ получения хлорида калия из сильвинитов, включающий их растворение, кристаллизацию целевого продукта из раствора в многоступенчатых вакуумных кристаллизаторах, классификацию твердой фазы, ее промывку, сушку, обеспыливание, растворение мелкокристаллической и пылевой фракций с возвратом раствора в процесс, отличающийся тем, что крупные фракции хлорида калия, полученные гидроклассификацией суспензии кристаллизата, фильтруют, мелкие - направляют во внешние контуры аппаратов регулируемой вакуум-кристаллизации; мелкокристаллический хлорид калия, полученный на стадиях сушки и обеспыливания, подают в виде суспензии с Ж:Т = 1,0-5,0 при 70-95oС в первый корпус РВКУ, а конденсат с РВКУ - во внешние контуры аппаратов.A method of obtaining potassium chloride from sylvinites, including their dissolution, crystallization of the target product from a solution in multi-stage vacuum crystallizers, classification of the solid phase, washing, drying, dedusting, dissolving fine crystalline and dust fractions with the return of the solution to the process, characterized in that the large fractions of chloride potassium, obtained by hydroclassification of a crystallizate suspension, is filtered, small ones are sent to the external circuits of controlled vacuum crystallization apparatuses; fine crystalline potassium chloride obtained at the drying and dedusting stages is supplied in the form of a suspension with W: T = 1.0-5.0 at 70-95 o C in the first housing of the RVKU, and condensate with RVKU in the external circuits of the apparatus.
RU98105491A 1998-03-19 1998-03-19 Method of preparing potassium chloride RU2143999C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU98105491A RU2143999C1 (en) 1998-03-19 1998-03-19 Method of preparing potassium chloride

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU98105491A RU2143999C1 (en) 1998-03-19 1998-03-19 Method of preparing potassium chloride

Publications (2)

Publication Number Publication Date
RU2143999C1 RU2143999C1 (en) 2000-01-10
RU98105491A true RU98105491A (en) 2000-01-27

Family

ID=20203876

Family Applications (1)

Application Number Title Priority Date Filing Date
RU98105491A RU2143999C1 (en) 1998-03-19 1998-03-19 Method of preparing potassium chloride

Country Status (1)

Country Link
RU (1) RU2143999C1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2493100C1 (en) * 2012-03-12 2013-09-20 Закрытое акционерное общество ВНИИ Галургии (ЗАО ВНИИ Галургии) Method of obtaining potassium chloride
RU2552459C2 (en) * 2013-10-17 2015-06-10 федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Пермский национальный исследовательский политехнический университет" Method of producing potassium chloride

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