SU929251A1

SU929251A1 - Apparatus for spreading and dedusting wet matirials

Info

Publication number: SU929251A1
Application number: SU802901675A
Authority: SU
Inventors: Николай Павлович Баранец; Михаил Симонович Елехов; Валентина Степановна Кабанова; Юрий Григорьевич Буйлов; Валентин Иванович Матвеев; Вячеслав Борисович Миллер
Original assignee: Государственный Научно-Исследовательский Проектно-Конструкторский И Проектный Угольный Институт
Priority date: 1980-01-04
Filing date: 1980-01-04
Publication date: 1982-05-23

Description

(54) УСТРОЙСТВО ДЛЯ РАССЕВА И ОБЕСПЫЛИВАНИЯ ВЛАЖНЫХ МАТЕРИАЛОВ(54) DEVICE FOR SEARCHING AND SPRAYING WET MATERIALS

1one

Изобретение относитс к области обогащени полезных ископаемых, а именно к устройствам дл рассева и обеспыливани влажных материалов перед обогащением и может быть использовано на угле и рудообогатительных фабриках.The invention relates to the field of mineral processing, namely, devices for sieving and dedusting wet materials before enrichment and can be used in coal and ore-dressing plants.

Известно устройство дл разделени зернистых материалов, включающее рабочую поверхность, системы загрузки, разгрузки материала и улавливани пыли, систему дл подачи воздуха 1.A device for separating granular materials is known, which includes a work surface, loading systems, material unloading and dust collection, and an air supply system 1.

Недостатком устройства вл етс низка удельна производительность.The disadvantage of the device is low specific productivity.

Наиболее близким по технической сущности и достигаемому результату к изобретению вл етс устройство дл рассева и обеспыливани влажных материалов, включающее камеру обеспыливани , раздел ющую поверхность системы загрузки, выгрузки материала и улавливани пыли, систему подачи воздуха с патрубком, расположенным перпендикул рно раздел емой поверхности 2.The closest in technical essence and the achieved result to the invention is a device for sieving and dedusting wet materials, including a dedusting chamber separating the surface of the loading system, unloading the material and collecting dust, the air supply system with a branch pipe located perpendicular to the divided surface 2.

Недостатком данного устройства вл етс низкое качество обеспыливани .The disadvantage of this device is the low quality of dust removal.

Цель изобретени - повыщение качества обеспыливани .The purpose of the invention is to increase the quality of dust removal.

Поставленна цель достигаетс тем, что патрубок подачи воздуха выполнен в виде трех каналов, при этом ось первого от загрузки канала наклонена в сторону движени материала и образует с раздел ющейThe goal is achieved by the fact that the air supply nozzle is made in the form of three channels, while the axis of the first channel from the loading is inclined in the direction of movement of the material and forms

5 поверхностью угол 15-45°, а ось последнего от загрузки канала наклонена в сторону , противоположную движению материала , и образует с раздел ющей поверхностью угол 105-120°.5, the surface angle is 15-45 °, and the axis of the latter from the channel loading is inclined in the direction opposite to the movement of the material, and forms an angle of 105-120 ° with the separating surface.

10 На чертеже изображено предлагаемое устройство.10 The drawing shows the proposed device.

Устройство дл рассева и обеспыливани влажных материалов состоит из системы 1 загрузки материала, камеры 2 обеспыливани с раздел ющей поверхностью 3,A device for sieving and dedusting wet materials consists of a material loading system 1, a dedusting chamber 2 with a separating surface 3,

15 системы подачи воздуха с патрубком 4, шибером 5 дл распределени воздуха и нагнетающего вентил тора 6, при этом патрубок подачи воздуха выполнен в виде трех каналов 7-9, системы 10 улавливани с15, an air supply system with a nozzle 4, a gateway 5 for air distribution and an injection fan 6, wherein the air supply nozzle is made in the form of three channels 7-9, a trapping system 10

20 приемной воронкой 10 дл мелочи и-пыли, пылевым циклоном 11, воздухоочистителем 12 и выт жным вентил тором 13, системы 14 выгрузки материала.20 with a hopper 10 for fines and dust, a dust cyclone 11, an air cleaner 12 and an exhaust fan 13, and a material discharge system 14.

Claims

The device works as follows. The source material through the system 1 enters the dedusting chamber 2 on the dividing surface 3, to which the first air flow is supplied, through the channel 7, the axis of which is inclined in the direction of movement of the material and forms an angle of 15-45 ° with the dividing surface. Such an air flow direction contributes to the leveling of the material on the dividing surface and its promotion by a uniform layer on the middle part of the dividing surface. In this case, effective screening of the material occurs. In the middle part of the separating surface of the material through the channel 8, the second air flow is blown in the direction perpendicular to the movement of the material (the separating surface), and due to this it is effectively dedusted. Then the material enters the discharge part of the screening surface, where its rate of advance is reduced by the third air flow coming from the channel 9, the axis of which is inclined in the direction opposite to the material movement and forms an angle of 105-120 ° with the separating surface. Here, using screening and dedusting, final cleaning of the material from the fines and dust is carried out. The separation and regulation of the amount of air along the sections of the separating surface is carried out by the hooks 5. The isolated semi-continuous product (fines and dust) from the receiving funnel 10 is circulated by the flow of air blown by the fan 6. is transported to the libueiiOH cyclone 11, where the catch occurs iio.ijKhnet) and the product . Separated SR (4ii and depleted supernatural Irodhk M011SZ material discharge system 14 is removed from dedusting chamber 2. Part of the circulating air flow is fed by an exhaust fan 13 to the air cleaner 12 and, after cleaning, is discharged into the atmosphere, and the bulk of the air from the dust cyclone 11 by fan 13 through pipe 4 for supplying air through channels 7-9 is returned to dedusting chamber 1. The use of the proposed device will improve the quality of dedusting. and dedusting of wet materials, including a dedusting chamber, a separating surface, loading systems, material unloading and dust collection, an air supply system with a branch pipe located perpendicular to the separating surface, characterized in that, in order to improve the quality of dedusting, the air supply pipe made in the form of three channels, while the axis of the first channel from the loading channel is inclined towards the movement of the material and forms an angle of 15 to 45 ° with the separating surface, and the axis of the last channel is angled from the loading channel ene in the direction opposite to the movement of the material, and forms a guide surface profile angle of 105 to 120 °. Sources of information taken into account during the examination 1. Germany patent No. 1507736, cl. In 07 In 4/00, published. 1967.

2. USSR author's certificate number 193384, cl. B 07 B 1/46, 1965 (prototype).