Jiaozuo Zhongxin Heavy Industrial Machinery Co.,Ltd.
WhatsApp: +86 13676922906 | 0086-371-67660555 | [email protected] |
language
ruРусский cn中文 esEspaña

Centrifugal Gold Concentrator

Feed Size
0 – 6 mm
Capacity
0.25 – 120 t/h

Motor Power: 7.5 – 18.5 kW

Fluidized Bed Technology & Low Maintenance: An optimized pressurized water jacket continuously injects fluidization water to keep the heavy mineral bed loose and active, while the heavy-duty polyurethane and stainless steel inner cone drastically reduces wear, spare part costs, and operational downtime.

Social Media
Whatsapp/Wechat:
+86-13676922906
  • WhatsAppWhatsApp
  • WeChatWeChat
Chat Online Product Inquiry
Jiaozuo Zhongxin High-G centrifugal gold concentrator with fluidized bed inner cone isolated on white background
● 15s Quick consultation | ● 1h Technical guidance | ● 32h Quotation + drawing | ● 365d Exclusive customer service
Get price list

What Is a Centrifugal Gold Concentrator?

◎A Centrifugal Gold Concentrator (also known as a high-G centrifugal gravity separator or Knelson-type concentrator) is an advanced, high-performance mineral processing unit engineered for the efficient extraction and recovery of free coarse gold, ultra-fine gold <0.074mm/ 200 Mesh), silver, platinum, and other high-density minerals from slurry.

◎By applying an enhanced centrifugal force field—often tens or hundreds of times greater than natural gravity—combined with fluidization water technology, the concentrator dramatically amplifies the density differential between heavy precious metals and lighter gangue materials. This mechanism overcomes the physical limitations of conventional gravity separation equipment, effectively replacing or supplementing traditional sluice boxes, jigs, and shaking tables in fine particle circuits. 

◎Modern mineral beneficiation plants widely integrate these units directly into ball mill closed-circuit grinding loops or placer gold washing plants to capture liberated free gold early in the process, maximizing overall recovery efficiency, preventing gold over-grinding, and eliminating the need for hazardous chemical reagents like cyanide or mercury.


High-G gold centrifugal separator working in alluvial gold recovery washing plant
Centrifugal Gold Concentrator

High-G Force & Superior Recovery

Generates a 60G- 100G centrifugal field to achieve over 95% recovery of free coarse and fine gold down to 0.04mm.

Centrifugal Gold Concentrator

Anti-Compaction Fluidized Bed

Pressurized water injection keeps the mineral bed loose and active, ensuring continuous heavy mineral trapping without clogging.

Centrifugal Gold Concentrator

100% Eco-Friendly & Chemical-Free Processing

The entire beneficiation process relies strictly on physical gravity separation and fluid hydraulics. By eliminating the need for mercury, cyanide, or other toxic chemical reagents, it lowers operational hazards and meets stringent global environmental standards.

Centrifugal Gold Concentrator

Wear-Resistant Polyurethane Liners

The rotating inner cone and fluidization grooves are constructed with high-grade, wear-resistant polyurethane and stainless steel alloys. This heavy-duty design minimizes liner wear, drastically reducing spare parts replacement costs in highly abrasive slurry environments.

Centrifugal Gold Concentrator

Automated PLC Control

Features automated washing and discharge cycles, reducing manual labor intensity while maintaining continuous operation.

Product Features & Engineering Highlights

Designed for maximum flexibility, the unit boasts a compact footprint that seamlessly integrates into existing ball mill grinding circuits, closed hydrocyclone loops, or mobile placer gold processing plants to capture liberated gold early.

Gold gravity separation production line with centrifugal concentrators and shaking tables
Centrifugal gold concentrator recovering fine placer gold in mining processing site
Mining site installation of Zhongxin centrifugal gold concentrator for tailings recovery
Hydrocyclone underflow feeding into centrifugal gold concentrator in beneficiation line
Multi-stage gravity gold separation line integrated with centrifugal concentrator unit
Mobile containerized placer gold washing plant equipped with centrifugal concentrator

Why Choose Zhongxin Centrifugal Gold Concentrators?

Choosing Jiaozuo Zhongxin Heavy Industry as your mineral processing equipment manufacturer guarantees access to world-class gravity separation technology engineered for maximum profitability and reliability. Our Centrifugal Gold Concentrators are built on years of metallurgical research, offer superior recovery rates for free gold, and deliver low lifetime operating costs for mining operations worldwide.

◎1. Exceptional Gold Recovery Rates (>95%)

Operating in an intensified High-G centrifugal acceleration field (60G- 100G), our gold centrifugal separator achieves recovery rates exceeding 95% for free coarse gold and ultra-fine gold particles down to 0.04 mm (<0.074mm / 200 Mesh). By recovering microscopic gold that traditional sluices, jigs, and shaking tables lose, Zhongxin concentrators significantly improve total mineral plant payability.

◎2. 100% Eco-Friendly & Chemical-Free Processing

The entire separation process relies purely on physical gravity separation and water fluidization hydraulics, requiring zero cyanide, mercury, or hazardous chemical reagents. Utilizing a Zhongxin Centrifugal Gold Concentrator lowers environmental liability, simplifies tailings management compliance, and ensures seamless environmental permitting in strictly regulated global mining jurisdictions.

◎3. Anti-Compaction Fluidized Bed Technology

Equipped with a precision-engineered pressurized water jacket, fluidization water is injected through calibrated nozzles directly into the inner cone's retention grooves. This constant counter-current water flow maintains a loose, active mineral bed, preventing gangue compaction while allowing high-density gold particles to continuously settle and concentrate.

◎4. Premium Heavy-Duty Wear Protection

Mineral slurry in gold grinding circuits is extremely abrasive. To combat component wear, Zhongxin inner concentrate cones and fluidization grooves are cast with heavy-duty, wear-resistant polyurethane liners and high-grade stainless steel alloys. This robust construction drastically reduces component erosion, extends service life, and lowers spare parts replacement costs.

◎5. Automated PLC Control & Low Labor Intensity

Our Knelson-type centrifugal concentrators are available with advanced PLC automatic control systems. With programmable concentrate discharge cycles, the automated system flushes high-grade gold concentrate into collection tanks using high-pressure water at preset intervals, ensuring continuous batch production with minimal manual labor and zero process interruption.

◎6. Seamless Circuit Integration & Custom Flowsheets

Designed with a compact structural footprint, our gravity gold recovery equipment easily integrates into existing closed-circuit ball mill grinding loops, hydrocyclone underflows, placer gold washing plants, and tailings scavenging lines. Our metallurgical engineers provide tailored flowsheet designs to fit your specific ore characteristics and plant layout.

Working Principle of the Centrifugal Gold Concentrator

The Centrifugal Gold Concentrator operates on a proven combination of High-G centrifugal acceleration and pressurized fluidization water technology, delivering superior physical gravity separation for free gold recovery. Driven by an electric motor via heavy-duty V-belts, the central drive shaft rotates the inner concentrate cone at high rotational speeds. This motion generates an intense centrifugal force field ranging from 60Gto 100G—amplifying natural gravitational forces many times over to separate heavy precious minerals from lighter gangue.

◎Slurry Acceleration & Separation:

Mineral slurry enters through the central feed pipe and is driven outward by centrifugal force. High-density particles like free gold and platinum migrate into the cone's inner retention grooves, while lighter waste slurry overflows into the tailings chute.

◎Fluidized Bed Technology:

Pressurized water is continuously injected through the water jacket into the retention grooves. This counter-current flow creates an active fluidized bed that prevents gangue compaction, allowing high-density gold (19.3g/cm) to easily displace lighter quartz minerals (2.65g/cm3).

◎High-Grade Concentrate Collection:

Throughout the operating cycle, high-purity gold concentrate accumulates securely within the cone grooves. During automated cleanout intervals, feeding is paused, and high-pressure wash water flushes the trapped gold concentrate into a secure collection tank for final smelting or shaking table upgrading.

Modern workshop for centrifugal gold concentrators and mining machinery production

Product Photos

Jiaozuo Zhongxin Heavy Industry heavy-duty centrifugal gold concentrator manufacturing workshop
Knelson-type centrifugal gravity gold concentrators assembled in Zhongxin Heavy Industry factory
High-G centrifugal gold separators arranged in the mineral processing equipment manufacturing plant
Export packaging of Knelson-type gold concentrator ready for international shipping
Centrifugal gold concentrators packed in container for overseas export shipping
Jiaozuo Zhongxin centrifugal gold separator loaded onto truck for mining site delivery
Centrifugal gold concentrator installed in hard rock gold processing plant circuit
Placer gold gravity separation plant with high-efficiency centrifugal concentrator
Centrifugal gold concentrator operating in closed-circuit ball mill grinding loop

Specification

Equipment Model

20

30

60

70

80

100

120

Production Capacity (t/h)

0 .25-0 .3

2-3

10-15

25-30

35-40

60-80

100-120

Feed Particle Size (mm)

0-3

0-4

0-6

0-6

0-6

0-6

0-6

Feed Concentration (%)

0-50

0-50

0-50

0-50

0-50

0-50

0-50

Backwash Water Flow (t/h)

1 .5-2

4-6

10-15

17-25

20-30

40-60

70-80

Concentrate Yield (kg/batch)

2-3

10-20

30-40

50-60

60-70

70-80

110-120

Motor Power (kW)

0.75

1 .5

5 .5

7 .5

11

18.5

22

Cone Rotation Speed (r/min)

800

600

460

430

400

360

360

Pressurized Water (MPa)

0.04

0.12

0.25

0 .3

0.35

0.4

0 .5

Overall dimensions (mm)

790 × 785 × 790

1180 × 1140 × 1250

1970 × 1670 × 1750

2100 × 1700 × 2000

2300 × 1800 × 2200

2500 × 2000 × 2400

2680 × 2200 × 2600

Weight (kg)

145

400

1300

1900

2000

2500

3000


RECOMMENDED CRUSHING, SCREENING AND MINERAL PROCESSING EQUIPMENT

Explore our full range of heavy-duty industrial machinery, covering crushing, screening, industrial grinding, and mineral processing solutions. As a direct manufacturer, we provide reliable equipment tailored to maximize your production efficiency.

Wet Drum Magnetic Separator
Wet Drum Magnetic Separator
Mineral Thickener
Mineral Thickener
Vertical Ring Pulsating High Gradient Magnetic Separator
Vertical Ring Pulsating High Gradient Magnetic Separator

EXPLORE MORE PRODUCTION LINE SITE PROJECTS

Browse our verified aggregate and mineral processing line projects tracking across the globe. Our heavy-duty crushing plants are optimized to deliver maximum throughput, reliable performance, and a fast return on investment for quarry operators.

300 TPH Heavy-Duty Mountain Stone Crushing Plant in Indonesia
300 TPH Heavy-Duty Mountain Stone Crushing Plant in Indonesia
80-100 TPH River Pebble & Basalt Stationary Crushing and Sand-Making Production Line
80-100 TPH River Pebble & Basalt Stationary Crushing and Sand-Making Production Line
350 TPH High-Yield Pebble Crushing and Sand Washing Production Line
350 TPH High-Yield Pebble Crushing and Sand Washing Production Line

Common Problems

This section is designed to address the most pressing inquiries customers may have regarding the daily operation, maintenance, product advantages, and after-sales service of our machine. Our aim is to help you gain a comprehensive understanding of our overall capabilities and enable you to make informed decisions for your projects.

Unlike traditional sluice boxes or shaking tables that rely solely on natural earth gravity (1G), a Centrifugal Gold Concentrator generates an enhanced High-G force field (60G - 100G). Combined with pressurized fluidization water, this high centrifugal acceleration amplifies the density differential between heavy gold particles and lighter gangue material, enabling the recovery of ultra-fine free gold down to 0.04mm}$ (<0.074mm/ 200 Mesh) that traditional gravity separators often lose.

Our Centrifugal Gold Concentrator is highly versatile and widely used in both alluvial (placer) gold processing plants and hard rock gold grinding circuits. It excels at capturing liberated free coarse gold, fine placer gold, native silver, platinum group metals, and heavy mineral concentrates. It can also be deployed in gold mine tailings treatment plants to scavenge unrecovered precious metals from flotation or leaching residue.

Integrating a Knelson-type centrifugal concentrator into a closed-circuit ball mill loop (typically in the hydrocyclone underflow) allows you to capture free liberated gold as soon as it is ground. Early gold recovery prevents high-density gold from over-grinding or flattening in the mill, lowers circulating gold loads, and increases the overall plant recovery rate by up to 10%–15%.

No, the entire separation process is 100% physical, relying exclusively on centrifugal force, gravity, and water fluidization hydraulics. By eliminating toxic chemical reagents like cyanide and mercury, our centrifugal gold processing equipment lowers operational hazards, simplifies tailings management, and ensures full compliance with strict global environmental regulations.

Selecting the proper model depends on your daily ore throughput, feed particle size (0 - 6mm), and slurry pulp density (20% - 40% solids). Jiaozuo Zhongxin Heavy Industry offers a complete range of gravity concentrators with capacities from 0.25 t/h for pilot testing up to 120 t/h for large industrial gold processing lines. Our engineering team can provide customized flowsheet design based on your ore testwork.

Fluidization water is injected through precision holes in the inner concentrate cone under controlled pressure. This counter-current water flow creates an active, fluid mineral bed within the retention grooves, preventing heavy sand and gangue minerals from compacting. As a result, heavy high-purity gold particles can continuously sink into the grooves while lighter waste slurry is displaced and washed out as tailings.

Yes, we offer both semi-automatic and fully automatic PLC-controlled Centrifugal Gold Concentrators. The automated system features programmable washing cycles that automatically stop feed slurry, flush high-grade gold concentrate into the collection tank using high-pressure water, and resume processing—minimizing manual labor intensity and operational downtime.

The primary wear component is the inner cone liner exposed to abrasive mineral slurry. Zhongxin centrifugal concentrators utilize heavy-duty polyurethane liners combined with premium stainless steel components, engineered to withstand high friction and chemical corrosion. Under standard operating conditions, these wear-resistant liners offer an extended service life, significantly reducing maintenance frequency and spare parts costs.

COMPREHENSIVE SERVICE & GENUINE SPARE PARTS

Zhongxin Heavy Industry provides not only high-performance equipment but also full life-cycle support solutions.

Centrifugal Gold Concentrator
Centrifugal Gold Concentrator
Custom Flowsheet Design & Ore Testing

Our experienced mineral processing engineers conduct detailed ore testing and mineralogical analysis to design customized gravity separation flowsheets. From equipment selection to pipeline layout, we optimize your plant configuration to ensure maximum gold recovery efficiency and seamless integration into existing grinding or washing circuits.

Service
Wear-Resistant Polyurethane Liners & Spare Parts

We manufacture and supply heavy-duty, high-precision replacement parts, including wear-resistant polyurethane inner cones, stainless steel water jacket nozzles, fluidization water valves, and durable transmission belts. Original factory spares guarantee perfect fitment, extended service life, and minimal operational downtime under harsh slurry conditions.

Service
Global Installation Support & After-Sales Service

To ensure continuous and hassle-free operation, Jiaozuo Zhongxin Heavy Industry provides comprehensive technical support, including overseas installation guidance, commission support, and operator training. Our global technical team offers prompt online assistance and quick-dispatch spare parts supply to keep your gold processing plant running at peak productivity.

logo ZHONGXIN Chat Online
Whatsapp
Wechat
Wechat
+86-13676922906
Email Message TOP
We use cookie to improve your online experience. By continuing to browse this website, you agree to our use of cookie.

Cookies

Please read our Terms and Conditions and this Policy before accessing or using our Services. If you cannot agree with this Policy or the Terms and Conditions, please do not access or use our Services. If you are located in a jurisdiction outside the European Economic Area, by using our Services, you accept the Terms and Conditions and accept our privacy practices described in this Policy.
We may modify this Policy at any time, without prior notice, and changes may apply to any Personal Information we already hold about you, as well as any new Personal Information collected after the Policy is modified. If we make changes, we will notify you by revising the date at the top of this Policy. We will provide you with advanced notice if we make any material changes to how we collect, use or disclose your Personal Information that impact your rights under this Policy. If you are located in a jurisdiction other than the European Economic Area, the United Kingdom or Switzerland (collectively “European Countries”), your continued access or use of our Services after receiving the notice of changes, constitutes your acknowledgement that you accept the updated Policy. In addition, we may provide you with real time disclosures or additional information about the Personal Information handling practices of specific parts of our Services. Such notices may supplement this Policy or provide you with additional choices about how we process your Personal Information.


Cookies

Cookies are small text files stored on your device when you access most Websites on the internet or open certain emails. Among other things, Cookies allow a Website to recognize your device and remember if you've been to the Website before. Examples of information collected by Cookies include your browser type and the address of the Website from which you arrived at our Website as well as IP address and clickstream behavior (that is the pages you view and the links you click).We use the term cookie to refer to Cookies and technologies that perform a similar function to Cookies (e.g., tags, pixels, web beacons, etc.). Cookies can be read by the originating Website on each subsequent visit and by any other Website that recognizes the cookie. The Website uses Cookies in order to make the Website easier to use, to support a better user experience, including the provision of information and functionality to you, as well as to provide us with information about how the Website is used so that we can make sure it is as up to date, relevant, and error free as we can. Cookies on the Website We use Cookies to personalize your experience when you visit the Site, uniquely identify your computer for security purposes, and enable us and our third-party service providers to serve ads on our behalf across the internet.

We classify Cookies in the following categories:
 ●  Strictly Necessary Cookies
 ●  Performance Cookies
 ●  Functional Cookies
 ●  Targeting Cookies


Cookie List
A cookie is a small piece of data (text file) that a website – when visited by a user – asks your browser to store on your device in order to remember information about you, such as your language preference or login information. Those cookies are set by us and called first-party cookies. We also use third-party cookies – which are cookies from a domain different than the domain of the website you are visiting – for our advertising and marketing efforts. More specifically, we use cookies and other tracking technologies for the following purposes:

Strictly Necessary Cookies
These cookies are necessary for the website to function and cannot be switched off in our systems. They are usually only set in response to actions made by you which amount to a request for services, such as setting your privacy preferences, logging in or filling in forms. You can set your browser to block or alert you about these cookies, but some parts of the site will not then work. These cookies do not store any personally identifiable information.

Functional Cookies
These cookies enable the website to provide enhanced functionality and personalisation. They may be set by us or by third party providers whose services we have added to our pages. If you do not allow these cookies then some or all of these services may not function properly.

Performance Cookies
These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. They help us to know which pages are the most and least popular and see how visitors move around the site. All information these cookies collect is aggregated and therefore anonymous. If you do not allow these cookies we will not know when you have visited our site, and will not be able to monitor its performance.

Targeting Cookies
These cookies may be set through our site by our advertising partners. They may be used by those companies to build a profile of your interests and show you relevant adverts on other sites. They do not store directly personal information, but are based on uniquely identifying your browser and internet device. If you do not allow these cookies, you will experience less targeted advertising.

How To Turn Off Cookies
You can choose to restrict or block Cookies through your browser settings at any time. Please note that certain Cookies may be set as soon as you visit the Website, but you can remove them using your browser settings. However, please be aware that restricting or blocking Cookies set on the Website may impact the functionality or performance of the Website or prevent you from using certain services provided through the Website. It will also affect our ability to update the Website to cater for user preferences and improve performance. Cookies within Mobile Applications

We only use Strictly Necessary Cookies on our mobile applications. These Cookies are critical to the functionality of our applications, so if you block or delete these Cookies you may not be able to use the application. These Cookies are not shared with any other application on your mobile device. We never use the Cookies from the mobile application to store personal information about you.

If you have questions or concerns regarding any information in this Privacy Policy, please contact us by email at . You can also contact us via our customer service at our Site.