SU900848A1

SU900848A1 - Chamber-type classifyer

Info

Publication number: SU900848A1
Application number: SU802887509A
Authority: SU
Inventors: Уар Иванович Иванов
Original assignee: Всесоюзный научно-исследовательский институт нерудных строительных материалов и гидромеханизации
Priority date: 1980-02-26
Filing date: 1980-02-26
Publication date: 1982-01-30

Description

Изобретение относится к обогащению и классификации полезных ископаемых и может быть использовано в промышленности строительных материалов при гидромеханизированной переработке песчано-гравийной смеси, ⁵ а также при обработке пульп полезных ископаемых в смежных областях.The invention relates to the enrichment and classification of minerals and can be used in the building materials industry in the hydromechanized processing of sand and gravel, ⁵ as well as in the processing of mineral pulps in related fields.

Известен гидравлический классификатор, включающий корпус с расположенными в его нижней части карманами, соединенными с классифицирующими камерами [11 .Known hydraulic classifier, comprising a housing with pockets located in its lower part, connected to the classification cameras [11.

Недостатком данного классификатора является низкая эффективность клас-_|}сификации.The disadvantage of this classifier is the low efficiency of classification _|} classification.

Наиболее близким к предлагаемому по технической сущности является камерный классификатор, включающий корпус, патрубок для подачи исходной _жпульпы, установленный в придонной части корпуса, патрубки для отвода продуктов классификации и подвода дополнительной воды t21 .The closest to the proposed technical essence is a classifier chamber, comprising a housing tube for supplying raw pulp _rail mounted in the bottom part of the body, nozzles for discharging product classification and t21 for supplying additional water.

Недостатком данного классификатор ра является-возможность получения '· лишь двух готовых фракций материала.The disadvantage of this classifier is the possibility of obtaining '· only two finished fractions of the material.

Цель изобретения т повышение точности разделения материала.The purpose of the invention is to increase the accuracy of separation of the material.

Указанная цель достигается тем, что корпус классификатора выполнен цилиндрическим в виде набора кольцевых камер, расположенных друг над другом, причем патрубки для подвода дополнительной воды и вывода готовой фракции имеет каждая камера.This goal is achieved by the fact that the classifier housing is cylindrical in the form of a set of annular chambers located one above the other, and each chamber has nozzles for supplying additional water and outputting the finished fraction.

На фиг. 1 показан камерный классификатор, сечение, общий вид; на* фиг. 2 - то же вид сверху.In FIG. 1 shows a chamber classifier, section, general view; in * FIG. 2 - the same top view.

Камерный классификатор состоит из подводящего патрубка 1, смонтированного тангенциально в нижней части циклонной камеры 2, открывающейся в общее осевое пространство классифицирующих камер 3, в которое подводится вода патрубками 4. Класси- .The chamber classifier consists of a supply pipe 1 mounted tangentially in the lower part of the cyclone chamber 2, which opens into the common axial space of the classification chambers 3, into which water is supplied by pipes 4. Class-.

э фицировэнный материал иэ камер отводится патрубками 5.The fixed material of the cameras is discharged by nozzles 5.

Камерный классификатор работает следующим образом.Chamber classifier works as follows.

Исходная пульпа по патрубку 1 поступает в циклонную камеру и образует вращающийся восходящий поток, который поступает в общее осевое пространство камер классификации.The initial pulp through the pipe 1 enters the cyclone chamber and forms a rotating upward flow, which enters the common axial space of the classification chambers.

Под действием центробежных сил классифицируемые частицы движутся в классифицирующие камеры 3» под действием увлечения потоком дополнительной воды, подаваемой в камеры 3 через патрубки 4, частицы увлекаются в обратном направлении. Граничное зерно определяется соотношением этих сил, т.е. скоростью вращения и количеством подаваемой в каждую камеру дополнительной воды. Классифицированный материал отводится. через патрубок 5. Количество и состав фракции определяются шириной камер и диаметром аппарата, на стадии пусконаладки расходами дополнительной воды по патрубкам,4 и соотношениями расходов продуктов по патрубкам 5.Under the action of centrifugal forces, the classified particles move into the classification chambers 3 ″ under the influence of entrainment by the flow of additional water supplied to the chambers 3 through the nozzles 4, the particles are carried away in the opposite direction. The boundary grain is determined by the ratio of these forces, i.e. rotation speed and the amount of additional water supplied to each chamber. Classified material is relegated. through the nozzle 5. The quantity and composition of the fraction is determined by the width of the chambers and the diameter of the apparatus, at the commissioning stage, the costs of additional water through the nozzles, 4 and the ratio of the costs of the products through the nozzles 5.

Внедрение данного классификатора позволит повысить точность классификаций сырья и использовать его как классифицирующий и обогатитель900848 4 ный аппарат для руд широкого диапазона крупности, а также обеспечит эффективное проведение фракционирования при подготовке строительных 5 материалов.The introduction of this classifier will increase the accuracy of the classifications of raw materials and use it as a classifier and concentrator 900848 4 apparatus for ores of a wide range of fineness, as well as ensure efficient fractionation in the preparation of 5 building materials.

Claims

The invention relates to the enrichment and classification of minerals and can be used in the building materials industry during hydromechanical processing of sand and gravel, as well as in the processing of minerals slurries in adjacent areas. A hydraulic classifier is known that includes a housing with 141MI in its lower part with pockets connected to the classifying chambers D1. The disadvantage of this classifier is the low efficiency of the classification. The closest to the proposed technical entity is a chamber classifier, comprising a core, a nozzle for supplying the original pulp, installed in the bottom part of the body, nozzles for withdrawing the products of classification and supplying additional water t21. The disadvantage of the classifier is the possibility of obtaining only two ready fractions of the material. The purpose of the invention is to improve the accuracy of the separation of the material. This goal is achieved by the fact that the body of the classifier is cylindrical in the form of a set of annular chambers arranged one above the other, and each chamber has connections for supplying additional water and outputting the finished fraction. FIG. 1 shows the chamber classifier, section, general view; in fig. 2 - the same top view. The chamber classifier consists of an inlet pipe 1 mounted tangentially in the lower part of the cyclone chamber 2, opening into the common axial space of the classifying chambers 3, into which water is fed through pipes C. Class-. The material from the chambers is retracted by nozzles 5. The chamber classifier works as follows. The original pulp through the nozzle 1 enters the cyclone chamber and forms a rotating upward flow, which enters the common axial space of the classification chambers. Under the action of centrifugal forces, the classified particles move into the classifying chambers 3 under the action of hobbies by the flow of additional water supplied to the chambers 3 through nozzles, the particles are carried away in the opposite direction. The boundary grain is determined by the ratio of these forces, i.e. the speed of rotation and the amount of additional water supplied to each chamber. The classified material is discharged through the nozzle 5. The number and composition of the fraction are determined by the width of the chambers and the diameter of the apparatus; The introduction of this classifier will improve the accuracy of the classification of raw materials and use it as a classifying and enriching unit for ores of a wide range of fineness, as well as provide ffektivnoe carrying out the fractionation in the preparation of building materials. Claims: Chamber classifier, comprising a body, a pipe for feeding the original pulp, installed tangentially in the bottom part of the body, pipes for discharging classification products and supplying additional water, characterized in that in order to improve the separation of the material, the body of the classifier is cylindrical in the form of a ring chambers located one above the other, each branch pipe for supplying additional water and outputting the finished fraction. Sources of information taken into account in the examination 1. USSR author's certificate number 37B2k3, cl. In 03 In § / 62, 1970.

2.Avtschskoe certificate of the USSR ff 657851, cl. B 03 B 5/62, 19Г77 (prototype).

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