glosario de términos y conceptos.docx

8/11/2019 Glosario de trminos y conceptos.docx

1/12

Glosario de trminos y conceptos (en Ingls) utilizadosen Mineria y Metalrgia (C-D)

Publicado el14 abril, 2012 porRevista Panorama Industrial (Mineria, Energia, Infraestructura, Procesos,

Maquinaria, Eventos)

Cage

Equipment used to transport men and equipment in a shaft.

Caisson

Metal casing or cylinder used to sink shafts in wet or unstable ground.

Calcine

Concentrate that is ready for smelting because the sulphur has been driven off by

oxidation.

Calibration

1. Adjusting the control or recording equipment to reflect the actual control or

recording

temperatures.

2. Procedures that involve scanning an object of known size. Calibration is used to

adjust

scanner readings for greater accuracy.

Can velocity

The velocity of the gas in the passages between the filter units in the filter house of

a gas filter.

Capillarity

Property of liquids allowing them to move through solids.

Capital costThe total investment needed to complete a project and bring it to a commercially

operable status. The cost of construction of a new plant or the expenditures for the

purchase/acquisition of existing facilities.

Car

Railway wagon used to carry coal, ore and waste through underground tunnels.
http://noticias-industria.gaf.pe/2012/04/glosario-de-terminos-y-conceptos-en-ingles-utilizados-en-mineria-y-metalurgia-c-d/http://noticias-industria.gaf.pe/author/admin/http://noticias-industria.gaf.pe/author/admin/http://noticias-industria.gaf.pe/author/admin/http://noticias-industria.gaf.pe/author/admin/http://noticias-industria.gaf.pe/2012/04/glosario-de-terminos-y-conceptos-en-ingles-utilizados-en-mineria-y-metalurgia-c-d/


2/12

Car dump

Mechanism used to unload a mining car or railway wagon.

CaratA unit of weight used for precious stones, equivalent to 200mg (3.08 grains).

Carbon adsorption

A process where soluble complexes of gold and silver attach (without a chemical

reaction) to the surfaces of activated carbon particles. Used to collect gold and

silver from leach solution.

Cartridge

1. The replaceable element of a fluid filter.

2. The pumping unit from a vane pump, composed of the rotor, ring, vanes and

one or both side

plates.

Cast blasting

A blasting method which uses the surplus explosive energy to move

overburden/waste material across the pit and reduce the cost of handling it with

mine equipment. Method frequently used in coal mining.

Cathode

A rectangular plate of pure refined metal, produced in the electrolytic process of

mineral refining. This plate is later melted into commercial shapes for final usage.

Cellulose

One of the major structural materials in the plant cell walls that can be utilized by

microorganisms in the rumen.

Celsius (C)

The international temperature scale in which water freezes at 0 and boils at 100

under normal atmospheric conditions. C = (F32) 1.8.

Cement copper


3/12

A copper product obtained from copper solution by precipitation (cementation)

onto iron.

Centimetre (cm)

A metric unit of length equal to one hundredth of a metre. 2.54 cm is equal to oneinch.

Centrifugal force

The force which impels a thing, or parts of a thing, outward from a center of

rotation.

Chain

Survey measure equal to 66 feet (20.12 meters)

Chain conveyor

Conveyor where material is moved along a trough by the scraping action of

crossbars attached to a moving chain.

Chalcopyrite

A sulphide mineral of copper and iron. A common ore mineral of copper.

ChannelA fluid passage, the length of which is large with respect to its cross-sectional

dimension.

Charge (supercharge)

1. To replenish a hydraulic system above atmospheric pressure.

2. To fill an accumulator with fluid under pressure. (See Precharge pressure)

Charge pressure

The pressure at which replenishing fluid is forced into the hydraulic system (above

atmospheric pressure).

Check valve

A valve which permits flow of fluid in one direction only.


4/12

Choke point

Area of the crushing chamber have the smallest cross section.

Chromite

The chief ore mineral of chromium.

Cinnabar

A vermilion-colored mercury sulfide mineral. It is the principal ore mineral for

mercury.

Circuit

An arrangement of components interconnected to perform a specific function

within a system.

Circulating load

Over sized pieces of ore returned to the head of a closed crushing/grinding circuit

to be further reduced in size. After they reach the desired size they are moved on to

the next processing step.

Clarification

A filtering process to remove suspended material from water.

Classifier

Mineral processing machine which separates minerals according to size and

density.

Closed center valve

One in which all ports are blocked in the center or neutral position.

Closed circuit

A loop in the milling process where a selected portion of the product of a machine

is returned to the head of the machine for finishing to required specification.

Coal

A solid, brittle, more or less distinctly stratified combustible carbonaceous rock,

formed by partial to complete decomposition of vegetation.


5/12

Column

A free standing axially loaded compression member, usually vertical.

Column flotationA tall cylindrical column used to separate valuable or unwanted minerals from the

gangue.

Command signal (or input signal)

An external signal to which the servo must respond.

Comminution

The particle size reduction of materials. Breaking, crushing or grinding of coal, ore

or rock.

Compensator control

A displacement control for variable pumps and motors which alters displacement

in response to pressure changes in the system as related to its adjusted pressure

setting.

Complex ore

An ore which contains a number of different minerals of value. Often means that it

will be difficult to extract and separate the valuable minerals.

Composites

Built-up, bonded products consisting wholly of natural wood, or in combination

with metals, plastics, etc.

Compressibility

The change in volume of a unit volume of a fluid when it is subjected to a unit

change in pressure.

Compression

In crushing/grinding terms the method of material reduction by applying a


6/12

compression force between two surfaces.

Computer simulations

Computer software that models actions or occurrences in the real world.

Concentrate

Powdery product of high grade ore which has the majority of the waste (gangue)

removed.

Concentrator

The step(s) in a mineral processing mill which produces a concentrate of ore.

Cone crusher

Machine that has a gyrating cone/crushing head to reduce the size of ore. Usually

used as a secondary crusher.

Continuous miner

A machine that constantly extracts coal while it loads it (with no stoppages).

Control

A device used to regulate the function of a unit (See Hydraulic control, Manualcontrol, Mechanical control, and Compensator control).

Control console

Fabricated metal cabinet housing buttons and switches for the control of a

machine center.

Control valve

A device that controls the flow of liquids or gases.

Controlled blasting

Blasting patterns and sequences designed to achieve a particular objective.

Examples include cast blasting and deck blasting.


7/12

Conveyor

Equipment which moves material from one point to another continuously by

means of an endless (looped) procession of hooks, buckets, wide rubber belt, etc.

Core (Core sample)A long cylinder of rock made during exploration work. Used for analysing the

geologic and chemical properties of the ore body.

Counterbalance valve

A pressure control valve which maintains back pressure to prevent a load from

falling.

Cover

The overburden or waste rock above an orebody.

Cracking pressure

The pressure at which a pressure actuated valve begins to pass fluid.

Crib

Roof support of prop timbers or ties. Arranged in alternating cross layer pattern.

Crusher / Crushing

Machines which reduce the size of the ore to a specified size for further grinding in

ball/rod mills. Types include jaw, gyratory, vertical/horizontal impactor, hydraulic

hammer and cone.

Cushion

A device sometimes built into the ends of a hydraulic or pneumatic cylinder which

restricts the flow of fluid at the outlet port, thereby arresting the motion of the

piston rod.

Cyanidation

A method of extracting gold/silver from ore by dissolving it in a weak solution of

sodium, calcium or potassium cyanide. Used as the primary method for gold/silver

extraction, especially for low grade producers.


8/12

Cyanide

A very toxic chemical used to dissolve gold and silver from the ore.

CylinderA device which converts fluid power or air into linear mechanical force and

motion. It usually consists of a movable element such as a piston and piston rod,

plunger rod, plunger or ram, operating within a cylindrical bore.

Damp

Gases (other than air) in mines, usually in dangerous concentrations. Prefixes are

attached to indicate various gases and situations (Black damp, white damp, fire

damp, after damp, stink damp)

De-superheater

A device for removing the excess heat in steam as its pressure is reduced.

De-vent

To close the vent connection of a pressure control valve permitting the valve to

function at its adjusted pressure setting.

Deadband

The region or band of no response where an error signal will not cause a

corresponding actuation of the controlled variable.

Decompression

The slow release of confined fluid to gradually reduce pressure on the fluid.

Delta

The amount of change in a number, size or position.

Deposit

Natural mineralization under the ground in sufficient quantities to warrant


9/12

further exploration.

Detectors

Chemical or electronic instruments used to detect dangerous concentrations of

mine gases.

Detonator

Device containing a small charge used to detonate an explosive. Types include:

blasting caps, delay electric blasting caps, exploders, electric detonators, etc.

Development drilling

Drilling for the purpose of accurately estimating mineral reserves.

Diamond

Hardest known mineral, composed of pure carbon.

Differential current

The algebraic summation of the current in the torque motor; measured in MA

(milliamperes).

Differential cylinder

Any cylinder in which the two opposed piston areas are not equal.

Diffusion

Movement of moisture from areas of high to low concentration or temperature.

Dilution

Waste rock that is unavoidably removed and mixed in with the ore. This lowers

the grade of the ore.

Directional valve

A valve which selectively directs or prevents fluid flow to desired channels.

Disseminated ore

Ore spread more or less uniformly through the waste rock (gangue). Opposite of

Massive ore.


10/12

Dither

A low amplitude, relatively high frequency periodic electrical signal, sometimes

superimposed on the servo valve input to improve system resolution. Dither is

expressed by the dither frequency (Hz) and the peak-to-peak dither currentamplitude (ma).

Dore

Unrefined gold or silver bullion bars which still need further processing to become

pure metal.

Dragline

Large surface mining equipment used to remove overburden above a deposit. Has

a long boom and large bucket which is thrown outwards, then dragged back

towards the machine.

Drain

A passage in, or a line from, a hydraulic component which returns leakage fluid

independently to reservoir or to a vented manifold.

Dredging

Process of using a machine to dig up and sift through placer deposits in awatercourse.

Dressing

Treatment of ores to concentrate their minerals into concentrates and to collect

waste to be discarded as tailings.

Drill

Machine using rotation, percussion (hammering) or a combination of both to

make holes.

Drill hole

A small diameter hole created when recovering a core for geological information.

Also a hole used to plant explosives.


11/12

Todos los 2 trminos

ImprimirExportarCopyCombinar

Trminos Definiciones

adage a proverb, wise saying

bonanza a rich mass of ore in a mine; something very valuable, profitable, or

rewarding; a source of wealth or prosperity; a very large amount;

sudden profit or gain

churlish lacking politeness or good manners; lacking sensitivity; difficult to

work with or deal with; rude

citadel a fortress that over looks overlooks and protects a city; any strong or

commanding place

collaborate

to work with, work together

decree an order having the force of law; to issue such an order; to command

firmly or forcefully

discordant disagreeable in sound, jarring; lacking in harmony, conflicting

evolve to develop gradually; to rise to a higher level

excerpt a passage taken from a book, article, etc.; to take such a passage; to

quote

grope to feel about hesitantly with the hands; to search blindly and

uncertainly

hover to float or hang suspended over; to move back and forth uncertainly

over and around

jostle to make or force one's way by pushing or elbowing; to bump, shove,brush against; to compete for

laggard a person who moves slowly or falls behind; falling behind; slow to

move, act, or respond

plaudits applause; enthusiastic praise or approval
http://quizlet.com/13519729/print/http://quizlet.com/13519729/recreate_set/http://quizlet.com/13519729/recreate_set/http://quizlet.com/combine/13519729/http://quizlet.com/13519729/export/http://quizlet.com/13519729/print/http://quizlet.com/combine/13519729/http://quizlet.com/13519729/export/http://quizlet.com/13519729/print/http://quizlet.com/combine/13519729/http://quizlet.com/13519729/export/http://quizlet.com/13519729/print/http://quizlet.com/combine/13519729/http://quizlet.com/13519729/export/http://quizlet.com/13519729/print/http://quizlet.com/combine/13519729/http://quizlet.com/13519729/export/http://quizlet.com/13519729/print/http://quizlet.com/combine/13519729/http://quizlet.com/13519729/export/http://quizlet.com/13519729/print/http://quizlet.com/combine/13519729/http://quizlet.com/13519729/export/http://quizlet.com/13519729/print/http://quizlet.com/combine/13519729/http://quizlet.com/13519729/export/http://quizlet.com/13519729/print/http://quizlet.com/combine/13519729/http://quizlet.com/13519729/export/http://quizlet.com/13519729/print/http://quizlet.com/combine/13519729/http://quizlet.com/13519729/export/http://quizlet.com/13519729/print/http://quizlet.com/combine/13519729/http://quizlet.com/13519729/export/http://quizlet.com/13519729/print/http://quizlet.com/combine/13519729/http://quizlet.com/13519729/export/http://quizlet.com/13519729/print/http://quizlet.com/combine/13519729/http://quizlet.com/13519729/export/http://quizlet.com/13519729/print/http://quizlet.com/combine/13519729/http://quizlet.com/13519729/export/http://quizlet.com/13519729/print/http://quizlet.com/combine/13519729/http://quizlet.com/13519729/export/http://quizlet.com/13519729/print/http://quizlet.com/combine/13519729/http://quizlet.com/13519729/export/http://quizlet.com/13519729/print/http://quizlet.com/combine/13519729/http://quizlet.com/13519729/export/http://quizlet.com/13519729/print/http://quizlet.com/combine/13519729/http://quizlet.com/13519729/export/http://quizlet.com/13519729/print/http://quizlet.com/combine/13519729/http://quizlet.com/13519729/export/http://quizlet.com/13519729/print/http://quizlet.com/combine/13519729/http://quizlet.com/13519729/export/http://quizlet.com/13519729/print/http://quizlet.com/combine/13519729/http://quizlet.com/13519729/export/http://quizlet.com/13519729/print/http://quizlet.com/combine/13519729/http://quizlet.com/13519729/export/http://quizlet.com/13519729/print/http://quizlet.com/combine/13519729/http://quizlet.com/13519729/export/http://quizlet.com/13519729/print/http://quizlet.com/combine/13519729/http://quizlet.com/13519729/export/http://quizlet.com/13519729/print/http://quizlet.com/combine/13519729/http://quizlet.com/13519729/export/http://quizlet.com/13519729/print/http://quizlet.com/combine/13519729/http://quizlet.com/13519729/export/http://quizlet.com/13519729/print/http://quizlet.com/combine/13519729/http://quizlet.com/13519729/export/http://quizlet.com/13519729/print/http://quizlet.com/combine/13519729/http://quizlet.com/13519729/export/http://quizlet.com/13519729/print/http://quizlet.com/combine/13519729/http://quizlet.com/13519729/export/http://quizlet.com/13519729/print/http://quizlet.com/combine/13519729/http://quizlet.com/13519729/export/http://quizlet.com/13519729/print/http://quizlet.com/combine/13519729/http://quizlet.com/13519729/export/http://quizlet.com/13519729/print/http://quizlet.com/combine/13519729/http://quizlet.com/13519729/export/http://quizlet.com/13519729/print/http://quizlet.com/13519729/recreate_set/http://quizlet.com/13519729/recreate_set/http://quizlet.com/13519729/print/http://quizlet.com/13519729/print/


12/12

preclude to make impossible, prevent, shut out

revert to return, go back

rubble broken stone or bricks; ruins

servile of or relating to a slave; behaving like or suitable for a slave or a

servant, menial; lacking spirit or independence, abjectly submissive

vigil a watch, especially at night; any period of watchful attention

wrangle to quarrel or argue in a noisy, angry way; to obtain by argument; to

herd; a noisy quarrel

Dump

Waste material extracted during mining and placed on the surface in a large pile.

Also known as a waste dump, pile, heap, tip, spoil, pike, etc. Also the actual act of

unloading or the mechanism for unloading a load.

Dump truckA large earth moving vehicle whose carrying box can be tilted to discharge its

load.

glosario de términos y conceptos.docx

Documents