SU959830A1

SU959830A1 - Potassium ore flotation method

Info

Publication number: SU959830A1
Application number: SU813242655A
Authority: SU
Inventors: Арий Дмитриевич Маркин; Хасень Мустафович Александрович; Людмила Федоровна Жибуль; Ирина Брониславовна Жданович
Original assignee: Институт общей и неорганической химии АН БССР
Priority date: 1981-01-30
Filing date: 1981-01-30
Publication date: 1982-09-23

Description

(54) СПОСОБ ФЛОТАЦИИ КАЛИЙНОЙ РУДО(54) METHOD OF FLOTATION OF POTASSIUM ORE

I Изобретение относитс к технологии переработки калийных руд и может быть применено на действующих калийных комбинатах, перерабатывающих рудй флотационным методом.I The invention relates to a technology for processing potash ores and can be applied to existing potash plants processing ores by the flotation method.

Известны способы флотащии глинистых калийных руд, согласно которам в качестве реагентов-депрессоров используют: карбоксиметилцеллюлозу (тйлозу) и водорастворимые о-лигосахариды , технический крахмал и едикий натр в качестве дополнительных депрессоров , сополимеры акриламида и метилсульфата - метакрилилоксиэтилтриметиламмони , соли полиметакриловой кислоты, сополимер метакриловой кислоты с метакриламидом .There are known methods for flotation of clay potassium ores, according to which the following agents are used as depressant reagents: carboxymethylcelluloses () and water-soluble o-ligosaccharides, technical starch and single sodium as additional depressors, copolymers of acrylamide and methylsulfate — methacryloxyethyltetratetratetrus, additional depressors, and copolymers of acrylamide and methylsulfate — methacryloxyethylteethrum, as additional depressors; with methacrylamide.

Дефицитность реагентов, использование дл технических целей продуктов , вл ющихс сырьем дл кормовых и пищевых целей, недостаточно высокое извлечение КС1 в концентрат и его содержание в концентрате вл ютс недостатками этих способов, вследствие чего они в насто щее врем не примен ютс в отечественной практике обогащени калийных руд.The lack of reagents, the use for technical purposes of products that are raw materials for feed and food purposes, insufficiently high recovery of KC1 in the concentrate and its content in the concentrate are disadvantages of these methods, as a result of which they are not currently used in domestic potash refining practice. ore

Наиболее близким по технической сущности и достигаемому результату к предлагаемому вл етс способ флотации калийной руды включсцощий предварительное кондиционирование с тилозой , введение собирател 6J,The closest in technical essence and the achieved result to the proposed method is the flotation of potash ore including pre-conditioning with tylosis, the introduction of collector 6J,

Совместно с тилозой используют водорастворимые мочевиноформальдегидные смолы. Этот способ наиболее известен и применим в отечественной практике, однако извлечение хлорис- того кали в концентрат недостаточ10 но высоко.Water soluble urea-formaldehyde resins are used together with tylosis. This method is the most well-known and applicable in domestic practice, however, the recovery of potassium chloride in concentrate 10 is not enough but high.

Цель изобретени - увеличение извлечени хлористого ка.ли в концентрат .The purpose of the invention is to increase the recovery of chlorine chloride in concentrate.

Поставленна цель достигаетс The goal is achieved

15 тем, что в кондиционирование дополнительно ввод т гексги етилендиаминоформсшьдегидную смолу.15 in addition to the addition of hexylened diamino-formshedehyde resin to the conditioning.

Применение гексаметилендиаминоФррмальдегйдной смолы обеспечивает The use of hexamethylene diamino Frrmaldehyde resin provides

20 повыиение извлечени КС1 в концентрат при таких же удельных расходах депрессора, как и в извёсттном способе .20 an increase in the recovery of KC1 in the concentrate at the same specific costs of the depressor as in the well-known method.

Claims

The composition of ge1 {self-diamine form 25 aldehyde resins (HDPE) includes methylol- and dimethylol-hexamethylenediamine., As well as their condensation products of different composition and structure, which are not present in the composition of urea-formaldehyde resins. Unlike urea-formaldehyde resins, hexamethylenediamino formaldehyde resins in most cases exhibit cationic properties, which provides a greater depressive effect. . The method is carried out as follows. The ore is crushed, tylosis and HDFS are introduced and conditioned. The collector is then added, the pulp is aerated and potassium chloride is floated. For comparative experiments we used (also depressors, tylose and urea formaldehyde resin (Krepitel-M-2 grade), currently used for depression of clay-carbonate impurities in flotation plants. The collector of KC1 was hydrochloric octadecylamine. As potash ore ore-potassium ores were used with a KC1 content of 24.9% and a water-insoluble residue of 3.9%. The tests were carried out in a laboratory mechanical flotation machine of the type Mekhanobr with a chamber volume of 450 cm. 2% solution of tylose in the amount of 300 g / ton of ore is added with the aqueous solution / under stirring of potassium ore with saturated NaCl and KC1 with an aqueous solution, and after 0.5-1 minutes - a solution of hexamethylenediamine formaldehyde resin in the amount of 400-600 g / t ore. After 1-3 min, the collector is introduced in the amount of 80 g / t of ore. After 0.5-1 min, pulp aeration is carried out with stirring, accompanied by flotation of KS1 particles. From the obtained data it can be seen that the proposed method with equal specific expenses hexamethylenediamine formaldehyde resin with the consumption of Cr Pitel M-2 in the known method gives higher levels of extraction to concentrate KC1 1.8-2.1% KC1 at high concentrations in the concentrate. Thus, the main advantage of the invention is to improve the technological performance of the potassium ore flotation process. Claims of potash ore flotation, including preconditioning with tylosis, introduction of a collector, characterized in that, in order to increase the recovery of potassium chloride in the concentrate, hexamethylenediamine formaldehyde resin is additionally introduced into the conditioning. Sources of information taken into account during the examination 1. USSR author's certificate No. 261301, Cl. В .03 D 1/00, published. 1965.

2. USSR author's certificate number 229361, cl. At 03 D 1/00, pub. 1967 ..

3. US patent number 3452867, cl. At 03 D 1/00, pub. 1967. 4. Pat. FRG number 1267631, cl. At 03 D 1/00, pub. 1967. 5. USSR author's certificate number 427737, cl. At 03 D 1/00, pub. 1974. 6. USSR author's certificate No. 276845, cl. In 03 D 1/02, pub. 1969. (prototype). .