Is the machine suitable for both placer and hard rock mining?

Yes, it is efficient for recovering free gold in all particle size ranges, suitable for both placer gold mining and hard rock mining to recover natural gold.

What is the power consumption of the STLB30 model?

The STLB30 model has a power requirement of 0.75kw, featuring low water and electricity requirements for cost-effective operation.

How does the automatic discharge system work?

The system allows fully automated operation where you only need to push start and stop buttons on the control system, eliminating the need for manual washing and stopping the concentrator.

Knelson Concentrator Stlb30 with Automatic Discharge Ore

Name: Knelson Concentrator Stlb30 with Automatic Discharge Ore
Brand: Jiangxi Gandong Mining Equipment Machinery Manufacturer
SKU: 763643615

Jiangxi, ChinaJiangxi Gandong Mining Equipment Machinery Manufacturer

US$8,800.00

1 Piece

Product profile

Customization

Available

Type

Gravity Separator

Voltage

380V

Model NO.

STLB20/30/60/80/100

Weight

Material

Stainless Steel

Material Feature

Durable, Anti Corrosion

Certification

ISO9001:2008, SGS

Energy Saving

Warranty

1 Year

Color

Blue

Customized

Condition

New

After-sales Service

One Year for The Guarantee

Testing

Supply

Flowchart

Supply

Application

Placer Gold Ming, Recover The Natural Gold

Power

0.75kw

Feeding Size

<3mm

Concentrate Weight

2kg

Spare Parts

Supply

Installation

Supply

Delivery Time

30 Days

Visit Factory

Welcome

Transport Package

Standard Export Packing

Specification

ISO9001: 2008&SGS

Trademark

Gandong

Origin

Jiangxi China

HS Code

84741000

Production Capacity

500PCS/Year

Key features

Automatic Discharge System: Fully automated operation eliminates manual washing, preventing concentrate loss and saving labor.

High Recovery Rate: Recovery rate up to 99% for placer gold and 98% for lode ore, with a concentrating ratio of 1,000 times.

Energy Efficient Design: Low water and electricity consumption with minimal maintenance requirements for reduced production costs.

Eco-Friendly Process: Environmentally friendly gravity separation that requires no chemical additives or reagents.

Durable Construction: Made of stainless steel with anti-corrosion features and shock-absorbing materials to extend service life.

Factory Direct Supply: Direct from manufacturer ensures lower prices, guaranteed quality, and reliable after-sales support.

Comprehensive Support: Free training, installation guidance, and one-year warranty with spare parts inventory for quick replacement.

Compact & Versatile: Compact design fits existing mining processes; suitable for both placer and hard rock gold mining.

Company profile

Jiangxi Gandong Mining Equipment Machinery Manufacturer

Jiangxi, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2009-08-06 CertifiedNearest Port: Ximen PortAverage Response Time: ≤18h CertifiedTerms of Payment: T/T

AI-Powered supplier vetting

SummaryJiangxi Gandong Mining Equipment Machinery Manufacturer is a privately owned Chinese mining-equipment supplier established in 2006, with 28 employees and a 2,000 m² manufacturing plant in Jiangxi. Its stated capabilities cover equipment design, manufacturing, installation, debugging, beneficiation flow-sheet design, mineral processing testing, and training. The supplier reports ISO9001:2008 and ISO9001:2015 certifications, an SGS Audited Supplier Certificate, and more than 10 production lines. Reported annual capacities include 1,000 shaking tables, 200 jigs, 150 trommel screens, 120 centrifugal concentrators, and 100 rotary scrubbers, with a stated one-month lead time in both peak and off-peak seasons. It exports to over 40 countries, with exports representing 51%–70% of total sales. Evidence supports production capability, certification holding, after-sales/service scope, and international customer exposure. Evidence is insufficient to assess financial credibility, product customization, or innovation...

Supplier typeThe supplier is identified as a privately owned Chinese company operating in mining equipment manufacturing and beneficiation services. Its stated activities include designing, manufacturing, installing, and debugging mining equipment, as well as flow-sheet design and training, indicating a manufacturer-service-provider profile rather than a pure trading company.

CertificationsThe supplier states that it holds ISO9001:2008 and ISO9001:2015 quality management certificates, and also obtained an SGS Audited Supplier Certificate. It additionally reports a local AA-level enterprise designation for observing contracts and credit, providing explicit evidence of certification and third-party audit-related credentials.

After-Sales capabilityThe supplier explicitly describes professional after-sale service and a one-stop service scope covering mineral analysis, processing tests, engineering design, installation, debugging, and technical training. These stated services support an end-to-end assistance capability, although no specific service response times, staffing levels, or support locations are provided.

Production capacityThe supplier reports more than 10 production lines, a 2,000 m² manufacturing plant, and annual capacities of 1,000 shaking tables, 200 jigs, 150 trommel screens, 120 centrifugal concentrators, and 100 rotary scrubbers. It also states a one-month order-fulfillment time in both peak and off-peak seasons, providing explicit evidence of established production capacity and stated delivery capability.

Client casesThe supplier states that its products are exported to over 40 countries and identifies Africa and domestic markets as primary export destinations, with exports representing 51%–70% of total sales. This demonstrates broad international market exposure, although no named customers, project descriptions, order references, or independently verifiable case studies are provided.

Product Q&A

Q:What is the recovery rate of this concentrator?

The recovery rate can be as high as 99% for placer gold mining and up to 98% for recovering natural gold in lode ore with particle size -0.074mm.

Q:Does the machine require chemical additives?

No, it is an environmentally friendly gravity separation process that requires no chemical additives or reagents.

Q:What is the warranty period and after-sales service?

We provide a one-year warranty. After-sales service includes free training, installation guidance by engineers, and spare parts supply from our inventory.

Q:Can this machine be customized?

Yes, customized options are available including testing, flowchart design, application specifics, power, feeding size, and spare parts supply.

Q:What is the delivery time for the order?

The standard delivery time is 30 days. Lead times may vary slightly between peak and off-seasons, typically around one month.