МЕДИЦИНА, ПЕДАГОГИКА И ТЕХНОЛОГИЯ:
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MINERAL ENRICHMENT PROCESSES.
Usmonov Firdavs Ro‘zimurod o‘g‘li
Asia international University , " General Technician Department of Sciences
teacher
Abstract:
This article presents an analysis of the processes of mineral
preparation, crushing, grinding, classification, grinding to beneficiation processes.
Key words
: Preparation processes, grinding, crushing, classification,
grinding, enrichment processes, gravity, flotation, magnetic enrichment,
Enter
The importance of the mining industry in raising the economy of our republic
to a higher level is considered great. The amount of precious component in minable
ores is small. Direct extraction of metals from such ores is neither economically nor
technically justified. Therefore, in most cases, after mining, the ore is enriched, that
is, the amount of the valuable component in it is increased, and the enriched product
is sent to metallurgical plants for metal extraction.
As a result of beneficiation of ores, the following advantages are achieved:
due to the possibility of processing poor ores, reserves of minerals increase. With
the increase in the amount of metal in the products, the production efficiency of
metallurgical plants increases, the consumption of electricity, fuel, chemical
reagents decreases, the possibility of complex use of minerals is created,
transportation costs are reduced, etc.
Classification of enrichment processes.
Minerals are necessarily mined and
sent to beneficiation factories or hydrometallurgical plants, that is, the product we
need from its content is transported to separate the valuable component . Therefore,
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mineral enrichment processes are divided into the following 3 main large parts in
sequence:
1.
Preparation processes
2.
Main processes
3.
Assistant processes
That's three in unity processes of enrichment say technology we get can
1.
Preparation processes from learning goal mineral of particles surface part
many of loose rock open to give and initial raw the item to get rich preparation we
understand . These processes various in principle working grinders , grinders and in
the mills done is increased .
2.
Enrichment main in processes while to get rich ready was raw material
particles each different methods using their composition , physico - chemical
properties looking get rich separate get is understood .
3.
Assistant from processes main goal main enrichment of processes
efficiency which increases and again work as a result of the product efficiency
increasing processes is understood . In this dedusting , workshops ventilation (
ventilation ), fogging , dehydration , condensation filtering drying stages is
understood .
Preparation the processes are also their own in turn to the following divided
into :
1.
Grinding .
2.
Elash .
3.
Burning
4.
Classification , classes separation - classification .
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Main ( enrichment ) processes too own in turn to the following is divided and
enrichment methods organize is enough
1.
Gravity method enrichment
2.
Flotation method enrichment
3.
Magnet method enrichment
4.
Electric method enrichment
5.
Special chemical method enrichment and etc.
Useful fossils types , them physicist chemical composition and characteristic
looking above cause passed known one in technology enrichment method is selected
.
Assistant processes while the following organize is enough
1.
Dehydration
2.
Q to laugh .
3.
Filtering ( received concentrates )
4.
Q hit ( taken concentrates )
5.
Sweating .
6.
Sex ventilation
Gravitational enrichment is mainly based on the relative weight and density of
particles in an aqueous environment , and in simple terms, it is understood to extract
the necessary useful elements from the composition of the crushed product. This
method is considered one of the oldest enrichment methods.
Enrichment in the flotation method is based on hydrophobic and hydrophilic
properties of the particles, i.e. wetting and non-wetting of the particles. There are
oil, gas or ionic types of flotation.
Magnetic enrichment is based on the magnetization properties of particles. In
this way, mainly iron-containing ores are enriched.
МЕДИЦИНА, ПЕДАГОГИКА И ТЕХНОЛОГИЯ:
ТЕОРИЯ И ПРАКТИКА
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Enrichment by electric method , this method is based on conducting particles
with a strong electric current. Of this for concentrates more clean up separate get for
electrolysis to do methods is used .
Special chemical method enrichment as follows to methods breaks down :
1. In heaps choose melting
2. Earth under method choose melting
3. In special cases ( big in size in containers ) by choosing melting
Different from the circumstances come came out without as follows from the
balance except ores in heaps choose melting useful scratches thin from plastics
organize found if land under method choose dissolves , etc without land under
method digging take or open method miner take enrichment economic from the side
does not cover and on the contrary to the detriment is processed ; useful fossils
known one method get rich concentrate separate from received after waste in the
composition the rest necessary useful components completely separate get for
special in chans melting method is used .
МЕДИЦИНА, ПЕДАГОГИКА И ТЕХНОЛОГИЯ:
ТЕОРИЯ И ПРАКТИКА
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Boyitish jarayonlarining
klassifikatsiyasi
Tayyorlov
jarayoni
Asosiy
boyitish
jarayonl
Yordamchi
jarayonlar
Gravitatsiya
usulida
boyitish
Maydalash
Magnit
usulida
boyitish
G'alvirla
sh
Maxsus
usulda
boyitish
Flotatsiya usulida
boyitish
Rudalarni
changsizlantirish
Sexlarni
shamollatish
Yer osti usulida
tanlab eritish va
boyitish
Elektr
usulida
boyitish
Klassifikatsiyal
ash
Suvsizlantirish
Maxsulotlarni
quyultirish
Maxsulotlarni
filtrlash
Konsentratlarni
quritish
Chiqindilarni
zararsizlantirish
Uyumlarda
tanlab
eritish va boyitish
Chanlarda
tanlab
eritish va boyitish
Махsulotni
yanchish
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Summary :
Above telling passed processes reasonable done increase , to us useful
fossil contained of the component the amount to increase help gives and the
world recognized by the market unique and rare metals metallurgy from the
factory directly right the world to the market release enable gives And this own
in turn Uzbekistan of the economy to growth cause will be
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