{"id":4553,"date":"2019-04-25T15:13:14","date_gmt":"2019-04-25T07:13:14","guid":{"rendered":"http:\/\/www.jxscmachine.com\/?post_type=new&p=4553"},"modified":"2026-07-01T10:39:17","modified_gmt":"2026-07-01T02:39:17","slug":"concentrador-knelson","status":"publish","type":"new","link":"https:\/\/www.jxscmachine.com\/pt\/new\/knelson-concentrator\/","title":{"rendered":"Concentrador Knelson"},"content":{"rendered":"

O Concentrador Knelson<\/a>, often paired with a gold shaker<\/strong>, represents an efficient and environmentally friendly gravity beneficiation solution<\/strong> in gold and precious metal processing. By leveraging centrifugal force, it enhances the separation of fine gold particles while reducing reliance on harmful chemicals such as sodium cyanide. This article explores the working principles, structure, and real-world applications of Knelson concentrators in mineral processing.<\/strong><\/em><\/p>\n

 <\/p>\n

1. Introduction to the Knelson Concentrator<\/h2>\n

The core challenge in fine particle separation is increasing the sedimentation speed difference. In normal gravity fields, fine particles exhibit minimal velocity disparity, reducing separation efficiency. However, centrifugal force amplifies this difference, enabling effective classification.<\/p>\n

 <\/p>\n

2. Structure and Working Principle of the Nelson Concentrator<\/h2>\n

2.1 Estrutura<\/h3>\n

The separation part of the Nelson gold concentrator is a double-wall cone with flushing holes on the inner wall, and a sealed water chamber is formed between the outer cone and the inner cone. The inner wall of the inner cone, also called the concentration cone, has several circles of grooves and water inlet holes.<\/p>\n

\"Concentrador<\/p>\n

 <\/p>\n

2.2 Working Principle<\/h3>\n

Knelson concentrator is a gravity concentrator<\/a> based on centrifugation. In the high-intensity gravity field, the gravity difference between the mineral of high density and of low density will be amplified greatly; this gravity difference makes the separating task in the high-intensity gravity field easier than that of the normal gravity field. Under the interaction of fluidized water and hindered settlement, the mineral layer can keep losing condition continuously. Then the heavy mineral particles are settled, and the light minerals are discharged as tailings.<\/p>\n

When the machine is at work, the ore pulp feeds into the bottom of the enrichment cone, the pulp is thrown to the inner wall because of the centrifugal force, and moves up along the inner wall. At the same time, the water enters the chamber through the inlet holes continuously, and makes the mineral layer keep the state of flow.<\/p>\n

Under the interaction of the centrifugal force and the bounce-back force of water, the heavy mineral can bear the radial resistance, centrifugal settle in the concentrated layer. However, the gangue mineral cannot bear the bounce-back force of water discharged at the end.<\/p>\n

 <\/p>\n