SU1729280A3 - Method of electrostatic separation of clayey salts - Google Patents
Method of electrostatic separation of clayey salts Download PDFInfo
- Publication number
- SU1729280A3 SU1729280A3 SU894614697A SU4614697A SU1729280A3 SU 1729280 A3 SU1729280 A3 SU 1729280A3 SU 894614697 A SU894614697 A SU 894614697A SU 4614697 A SU4614697 A SU 4614697A SU 1729280 A3 SU1729280 A3 SU 1729280A3
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- salt
- crude
- separation
- mixture
- relative humidity
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C7/00—Separating solids from solids by electrostatic effect
- B03C7/003—Pretreatment of the solids prior to electrostatic separation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C7/00—Separating solids from solids by electrostatic effect
- B03C7/006—Charging without electricity supply, e.g. by tribo-electricity, pyroelectricity
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Abstract
Изобретение относитс к разделению калийных неочищенных солей на основные компоненты путем электростатической сепарации и позвол ет повысить качество очистки калийной соли от глины. Измельченную до размера зерен менее 2 мм соль смешивают с органическим веществом в качестве кондиционирующего средства. Смесь после обработки нагретым влажным воздухом с относительной влажностью 5-12% при температуре 40-55°С и трибоэлектризации раз- дел ют в электростатическом поле при свободном падении соли на три фракции. Среднюю фракцию дополнительно размалывают и возвращают в исходную неочи-- щенную соль. В качестве органического вещества ввод т алкиламмоний-салицит с алкильной группой в виде-метила, этила, пропила или бутила в количестве 30-200 г/т неочищенной соли. сл сThe invention relates to the separation of crude potassium salts into major components by electrostatic separation and improves the quality of the purification of potassium salt from clay. Ground to a grain size of less than 2 mm, the salt is mixed with the organic matter as a conditioning agent. The mixture after treatment with heated moist air with a relative humidity of 5-12% at a temperature of 40-55 ° C and triboelectrification is divided in an electrostatic field with the free fall of salt into three fractions. The middle fraction is additionally milled and returned to the original unprocessed salt. Alkyl ammonium salicyte with an alkyl group in the form of methyl, ethyl, propyl or butyl in the amount of 30-200 g / ton of crude salt is introduced as an organic substance. cl
Description
Изобретение относитс к разделению калийных неочищенных солей на их основные компоненты путем электростатической сепарации.This invention relates to the separation of crude potassium salts into their main components by electrostatic separation.
Цель изобретени - повышение качества очистки калийной соли от глины.The purpose of the invention is to improve the quality of purification of potassium salt from clay.
Способ электростатического разделени глинистых неочищенных солей заключаетс в измельчении соли до размера зерен ниже 2 мм, смешивании измельченной соли с органическим веществом в качестве кондиционирующего средства, обработка смеси нагретым воздухом с определенной относительной влажностью, трибоэлектризации и разделении в электростатическом поле при свободном падении соли на три фракции, причем среднюю фракцию дополнительно размалывают и возвращают в исходную неочищенную соль. В качестве органического вещества ввод т алкиламмоний-салицит в количестве 30-200 г/т неочищенной соли, в котором алкильна группа представлена метилом, этилом, пропилом или бутилом. Обработку смеси воздухом ведут при относительной влажности воздуха 5-12% при температуре 40-55°С. Фор м у ла изобретени Способ электростатического разделени глинистых неочищенных солей, включающий измельчение соли до размера зерен ниже 2 мм, смешивание измельченной соли с органическим веществом в качестве кондиционирующего средства, обработку смеси нагретым воздухом с определенной относительной влажностью, трибоэлектри- зацию и разделение в электростатическом поле при свободном падении соли на три фракции, причем среднюю фракцию дополнительно размалывают и возвращают в исходную неочищенную соль, о т л и ч а ю щ иVJThe method of electrostatic separation of clayey crude salts consists in grinding salt to a grain size below 2 mm, mixing ground salt with organic matter as a conditioning agent, treating the mixture with heated air of a certain relative humidity, triboelectrification and separation in an electrostatic field with free fall of salt into three fractions , and the middle fraction is additionally milled and returned to the original crude salt. Alkyl ammonium salicyte is introduced as an organic substance in the amount of 30-200 g / t of crude salt, in which the alkyl group is represented by methyl, ethyl, propyl or butyl. The mixture is treated with air at a relative humidity of 5-12% at a temperature of 40-55 ° C. Formulations of the Invention A method for electrostatic separation of clayey crude salts, including grinding salt to a grain size below 2 mm, mixing ground salt with organic matter as a conditioning agent, treating the mixture with heated air with a certain relative humidity, triboelectrification and separation in an electrostatic field with the free fall of salt into three fractions, the middle fraction is additionally milled and returned to the original crude salt, about tl and h and n and VJ
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и с тем, что, с целью повышени качества очистки калийной соли от глины, в качестве органического вещества ввод т алкиламмонийсалицит в количестве 30-200 г/т неочищенной соли, в котором алкильна группа представлена метилом , этилом, пропилом или бутилом, а обра- ботку смеси воздухом ведут при относительной влажности воздуха 5-12 % при 40-55°С.and in order to improve the quality of purification of potassium salt from clay, as an organic substance, alkyl ammonium salicyte is introduced in an amount of 30–200 g / t of crude salt, in which the alkyl group is represented by methyl, ethyl, propyl or butyl, and the the mixture is air bled at a relative humidity of 5-12% at 40-55 ° C.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3825461A DE3825461A1 (en) | 1988-07-27 | 1988-07-27 | Process for the electrostatic processing of clay-containing crude salts |
Publications (1)
Publication Number | Publication Date |
---|---|
SU1729280A3 true SU1729280A3 (en) | 1992-04-23 |
Family
ID=6359639
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU894614697A SU1729280A3 (en) | 1988-07-27 | 1989-07-26 | Method of electrostatic separation of clayey salts |
Country Status (5)
Country | Link |
---|---|
CA (1) | CA1333271C (en) |
DD (1) | DD283955A5 (en) |
DE (1) | DE3825461A1 (en) |
OA (1) | OA09425A (en) |
SU (1) | SU1729280A3 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2575191C2 (en) * | 2008-10-31 | 2016-02-20 | Сайтек Текнолоджи Корп. | Improvement of electrostatic separation in ore dressing |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102202796B (en) | 2008-10-31 | 2015-12-02 | 塞特克技术公司 | The method of electrostatic separation is improved in ore beneficiation |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1052921B (en) * | 1955-07-27 | 1959-03-19 | Kali Forschungs Anstalt G M B | Process for the desludging of crude potash salts by electrostatic separation |
FR1539076A (en) * | 1967-07-27 | 1968-09-13 | Mines Domaniales De Potasse | Pretreatment of potash ores |
DE2052993C3 (en) * | 1970-10-28 | 1974-01-10 | Kali Und Salz Gmbh, 3500 Kassel | Process for the electrostatic processing of clay-containing potash crude salts |
DE3127946C1 (en) * | 1981-07-15 | 1983-01-27 | Kali Und Salz Ag, 3500 Kassel | Process for producing potassium salts |
DE3216735C1 (en) * | 1982-05-05 | 1983-08-25 | Kali Und Salz Ag, 3500 Kassel | Process for the production of potash fertiliser salt with a K2O content of at least 60 % by weight, by multistage electrostatic separation |
-
1988
- 1988-07-27 DE DE3825461A patent/DE3825461A1/en active Granted
-
1989
- 1989-07-24 CA CA000606426A patent/CA1333271C/en not_active Expired - Fee Related
- 1989-07-25 DD DD89331124A patent/DD283955A5/en not_active IP Right Cessation
- 1989-07-26 SU SU894614697A patent/SU1729280A3/en active
- 1989-07-27 OA OA59619A patent/OA09425A/en unknown
Non-Patent Citations (1)
Title |
---|
Авторское свидетельство СССР №404512, кл. ВОЗ С 9/00, 1971. Авторское свидетельство СССР Ns 1475477, кл. В 03 С 7/00, 1985. * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2575191C2 (en) * | 2008-10-31 | 2016-02-20 | Сайтек Текнолоджи Корп. | Improvement of electrostatic separation in ore dressing |
Also Published As
Publication number | Publication date |
---|---|
DE3825461C2 (en) | 1991-01-31 |
DD283955A5 (en) | 1990-10-31 |
DE3825461A1 (en) | 1990-02-01 |
CA1333271C (en) | 1994-11-29 |
OA09425A (en) | 1992-10-15 |
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