spiral concentrator

US3099621A - Spiral concentrators - Google Patents

The spiral concentrator consists of a series of convolutions generally indicated by the reference 4 leading from a top supply hopper 5 or other source to a bottom discharge point. The spinal 4 is formed across in four parallel launders 6, 7, 8 and 9 in which launder 6 is the primary one and on the outside and of the largest size while the two ...

Spiral Concentrator | Multotec

Multotec-designed spiral concentrators are used across the world in coal, gold, iron ore, mineral sands, platinum and chrome processing plants and other minerals.. As a turnkey supplier of gravity concentration equipment across the world, Multotec can deliver end-to-end spiral solutions, from process audits and test work, to complete spiral concentration plants optimised for your process.

Gravity Spiral Concentrator Working Principle

Spiral Concentrator. Spiral concentrators are modem, high capacity, low cost units developed for the concentration of low grade ores. Spirals consist of a single or double helical sluice wrapped around a central support with a wash water channel and a series of concentrate take-off ports placed at regular intervals along the spiral (Figure 17).

Yuba Industries - Gold Spiral Concentrator - Yuba Wheel

42" Yuba Wheel Concentrator. 20 Years of Gold Recovery. The Yuba rotary concentrator has been in service at the Yuba Dredging Operation for over 20 years, it is the final stage in extracting the precious metal from the black sand concentrates. Concentrates from the Yuba Wheel are smelt ready or direct ship to your refiner.

Spiral Concentrator Manufacturer, Supplier and Exporter in ...

The spiral concentrator is our company's concentrating experienced scientific product, which is the best concentrating equipment, especially for concentrating sand or in seashore and riverside. Our spiral concentrator is made of high-quality polyurethane with fiberglass banking and wearable corundum inner surface.

Spiral separator - Wikipedia

Spiral concentrators are normally used in banks of multiple spirals. Typical capacities for spirals run from 1-3 tons per hour of feed for minerals and 3-5 tons per hour for coal. Typical construction of a spiral concentrator is fiberglass and urethane to reduce wear from abrasion.

Gold Concentrators - Oro Industries - - The "Martin" Multi ...

Spiral Gold Concentrators. OUR CLAIM: The Multi-Helix Spiral is "hands down" the most efficient gold concentrator available in the industry. It has a proven track record with a recovery rate of 99% of all free gold. It is a commercial duty, gravity concentrator for both alluvial and fine milled hard rock ores and has the highest ...

Gravity Separation - Mineral Technologies

As the world leader in spiral technology we provide you with unparalleled levels of confidence in the performance of gravity separation circuits. We design, manufacture and supply the MD range of gravity separation equipment including spirals, shaking tables and slurry distribution and laundering systems. ... Spiral Concentrators.

Spiral concentrator - Jiangxi Shicheng Mine Machinery Factory

Apr 24, 2014· Application of Spiral Concentrator: It is the best Spiral Concentrator Equipment, especially the seaside, riverside, sand beach, the stream of placer mining is more ideal.

Spiral Concentrators — IMSC Group

The spiral concentrator is one of the most effective, low-cost devices for the gravity beneficiation of ores. Manufactured from lightweight, corrosion and abrasion resistant materials, spirals require a minimum of maintenance and upkeep. Spiral concentrators offer a relatively simple unit operation that translates to low capital and operating cost.

Spiral Separator | Spiral Chute | Spiral Concentrator ...

GTEK Spiral Separator Description. Spiral Separatos, which are also called sipral concentrators, are gravity devices that separate minerals of different specific gravity according to their relative movement in response to gravity, centrifugal force and …

Spiral Concentrator, Spiral Concentrator Suppliers and ...

Alibaba.com offers 2,023 spiral concentrator products. About 82% of these are mineral separator. A wide variety of spiral concentrator options are available to you, such as gravity separator, sprial separator.

Spiral Concentrators for separation of solid from slurry.

DOVE Spiral Concentrators are widely used in the closed circuits with ball mills, grading ore or gravity concentration, fine mud, metal beneficiation process, slurry particle size classification, sand ore and fine silt classification in the gravity dressing plants, dehydration, washing off mud and other operations.

Case study: high capacity spiral J concentrators

Spiral concentrators are gravity separators usually separating particle sizes between 0.1 and 2 mm in a water carrier medium1,2. The capacities of the spiral concentrators range between 1 and 3 t/h dry solids and recently in excess of 7 t/h in the case of high capacity spiral concentrators when treating typical heavy mineral beach sands ...

Spiral Concentrator - Outotec

New and Used Spiral Concentrators for Sale Savona Equipment is your source for New, Used, and Reconditioned Spiral Concentrators for mineral and precious metal recovery.Refurbished Spiral Concentrators and parts that are broken or worn will be fully repaired.

ORO Concentrators - Global Mining Equipment

ORO-Concentrators . The Reverse Multi-Helix Spiral Concentrator is available in 3 models: the 24 "Rougher, the 16 "Cleaner, and the 16 "Finisher. Each concentrator can be set up as a continuous or batch feed. All units are commercial duty, gravity concentrators for both alluvial and fine milled hard rock ores.

Gold Miner Spiral Wheel Concentrator

Gold Miner Spiral Wheel Concentrator - The GOLD MINER SPIRAL WHEEL is similar to the Desert Fox - automatic panner - it takes the hassle out of panning by hand and concentrates your gold from black ...

A STRAIGHT UP SINGLE PASS COMPARISON OF A LOW-CUT …

Spiral concentrators have been used globally in various types of mineral beneficiation plants. Particles are introduced in a slurry form at the top of a spiral and gravitate in a radial formation around a central axis, separation occurring mainly on size and density. Spiral concentrators

Spiral Concentrator - multotec.com

Mineral Spiral Concentrators: Multotec spiral concentrators segregate iron ore, chrome, mineral sands and other high-density mineral particles in sizes of less than 1.5 to 0.04 mm. Multotec's HX3, HX5 and SC mineral spiral concentrator ranges are comprised of modular housing frames consisting of two spiral assemblies.

Spiral Wheel Gold Concentrator

An interesting variation of the spiral concentrator is the rotary table. This device is available from a variety of manufacturers under many trade names. Basically, the rotary table consists of a flat, circular plate in which a spiral pattern has been molded or cut. It is usually mounted on a frame with a wash water bar running laterally from the one side to the center. When operating, the ...

Effect of Operating Parameters on the Performance of ...

Spiral concentrator, a critical device in the mineral sand beneficiation circuit, separates minerals based on their specific gravity differences. The effect of different operating parameters on the performance of Spiral has been studied through optimization experiments at

CONCENTRATORS-SPIRAL CONCENTRATORS-New & Used …

NEW AND USED SPIRAL CONCENTRATORS FOR SALE. Nelson Machinery stocks used Spiral Concentrators manufactured by Humphreys and Mineral Technologies for sale worldwide. Spiral concentrators are modern, high capacity, low cost units developed for the concentration of low grade ores and industrial minerals.

Spiral Gold Concentrators from Oro Industries Ltda ...

The Multi-Helix Spiral is "hands down" the most efficient gold concentrator available in the industry. It has a proven track record with a recovery rate of 99% of all free gold. It is a commercial duty, gravity concentrator for both alluvial and fine milled hard rock ores and has the highest concentration ratio AND highest recovery rate of any gravity concentrator on the …

PARTICLE FLOW MODELLING ON SPIRAL …

The number of turns on spiral concentrators varies typically from 5-7 and the trough width from 0.25-0.35m. The mainstream descent angle varies radially and is governed by the spiral pitch, defined as the vertical height loss per revolution of the helix. The LD9 coal-processing unit examined in this paper has a pitch of 0.273m, trough

China Spiral Concentrators, Spiral Concentrators ...

China Spiral Concentrators manufacturers - Select 2019 high quality Spiral Concentrators products in best price from certified Chinese Mining Machine manufacturers, Mining Machinery suppliers, wholesalers and factory on Made-in-China.com

Spiral Concentrator | Henan Deya Machinery Co., Ltd.

Introduction of Spiral Concentrator. Spiral concentrators are devices to separate solid components in a slurry, based upon a combination of the solid particle density as well as the particle's hydrodynamic properties (e.g. drag).

Gold Concentrators - Oro Industries - - The "Martin" Multi ...

The Reverse Multi-Helix Spiral Concentrator is available in 3 models:the 24 "Rougher,the 16 "Cleaner,and the 16 "Finisher.Each concentrator can be set up as a continuous or batch feed.

Latest design improvements increase spiral concentrator ...

Apr 01, 2013· Latest design improvements increase spiral concentrator efficiency. Spiral concentrators have, over numerous years, found many varied applications in mineral processing. Until relatively recently, all spirals were very similar, based upon the original Humphreys design, which is now obsolete. However, in recent years there have been considerable ...

Gold Spiral Wheel Concentrators

Spiral Wheel Gold Concentrators make panning automatic - they can recover all sizes of gold -- from micron and flour gold to coarse nuggets. Some models like the Gold Magic can even work Wet AND Dry. Browse our collection of spiral gold …

Spiral Concentrators — NobleMEIR, Inc.

Spiral concentrators are a gravity based concentrating device, that separates light density granular and sandy (17 mesh to 340 mesh (1 mm to 0.075 mm)) consistency material from heavier density material. In order to have a good separation, there should be a …

Spiral Concentrator (Test unit) - J.Farmer Mining - YouTube

Sep 10, 2012· MD Spiral concentrator for continuous separation of heavy minerals. This test unit collected nearly of the heavy minerals without much tuning. I did have losses of gold in the minus 150 mesh ...