1.Brief Introduction
A gold melting furnace is an industrial or laboratory equipment designed to heat and melt gold and other metals to high temperatures for smelting, refining, or casting purposes. These furnaces are widely used in mining, jewelry making, and metal processing industries.
Key Features and Types
Temperature Range: Gold melting furnaces can reach temperatures exceeding 1600°C (2912°F), sufficient to melt gold, silver, copper, and other metals.
Types: Common types include induction furnaces (portable or industrial), crucible furnaces, and electric melting furnaces. Induction furnaces are popular for their efficiency and precision.
Applications: Used for melting gold scrap, refining precious metals, and producing jewelry or industrial components.
Working Principle
Most modern gold melting furnaces use induction heating, where an electromagnetic field generates heat directly in the metal, ensuring fast and energy-efficient melting.
Some models incorporate advanced controllers (e.g., SSR controllers) and high-temperature-resistant materials (e.g., ceramic chambers) for durability.1
Industrial and Lab Use
Industrial furnaces (e.g., 10kg–200kg capacity) are used in large-scale metal processing.
Lab/portable furnaces (e.g., 1kg–10kg) are suitable for small-scale refining or jewelry work.
2.Product Application
Heat Treatment (surface hardening, quenching, annealing, tempering)
1. Hardening parts of automobile, motorbike, mold, agricultural machinery.
2. Quenching machinery parts, such as: all kinds of gear wheel, chain wheel.
3. Hardening the industrial of machine tool, such as bed guide way of machine tool.
4. Heat treatment pliers, spanner, screwdriver, drill, axes, spiker
5. Annealing of various other metal work pieces, such as golf ball head, cue, brass lock, hardware copper fitting, kitchen knife handle, blade, aluminum pan, aluminum pail, aluminum radiator and various aluminum products.
Melting
Non-ferrous and ferrous metals melting
Precious metal melting, like gold, sliver, platinum,etc.
Semiconductor material melting
Specialized steel, iron, copper melting
Metal alloy melting, like aluminum alloy, zinc alloy, copper alloy,etc.
3.Operating Instruction
Operating a gold smelting furnace safely requires strict adherence to standardized procedures and the use of professional protective equipment. The following are key operating points and safety precautions:
I. Pre-operation Preparation
1. Site Inspection
Choose a well-ventilated environment to avoid the risk of poisoning from accumulated exhaust fumes.
Check that the furnace power cord is intact, the electrode contacts are secure, and the crucible is free of cracks or damage.
2. Protective Equipment
Head Protection: Wear impact-resistant goggles (EN166 certified) and a safety helmet (ABS material).
Respiratory Protection: Use a KN95/N95 mask or a half-face respirator.
Body Protection: Wear a fire-resistant and heat-insulating apron and high-temperature resistant gloves (such as nitrile gloves).
Hand and Foot Protection: Wear impact-resistant and puncture-resistant safety shoes (steel toe, conforming to GB21148 standard). II. Safety Precautions During Melting
1. Temperature Control: Gold has a melting point above 1200°C, requiring precise temperature setting using a matching controller (such as a muffle furnace, high-frequency furnace, or medium-frequency induction furnace).
2. Material Handling: Cut the gold into small pieces and place them in a graphite or quartz crucible. Borax can be added as a flux to remove impurities.
4. Certifications
5. Related Products
6. Why choose us
Yongli will do the best in the field and one of the most important things is providing after-sales service and support. We promise to provide every customer with the highest level of service and 24/7 support to make sure that every machinery will run properly and every customer will be fully satisfied.
The following service can be provided by our high-quality team:
------ Signing a long-term after-service agreement with customers;
------ rational and practical design according to clients' project needs and requirements;
------ Engineers will be sent for installation, testing and commissioning of new machine;
------ Operation service & maintenance guidance (Training of new operators);
------ Troubleshooting & diagnosis;
------ Replacement suggestions & spare parts with competitive price;
------ Life time after sales service for all customers.
7. Company Profile
Qingzhou Yongli Mining And Dredging Machinery Co., Ltd , is one of China leading company of sand & gold & diamond mining equipments, which has more than 25 years' experience in designing,producing ,manufacturing and selling cutter suction dredgers, jet suction dredgers,bucket chain dredger, diamond/gold dredgers, pulsating sluice box, sand/ gold washing plant, sand washing & screening machinery, transport barge,work boat, amphibious multi-functional dredger and so on. Successful series of products have won the recognization and approval of general administration of Quality Supervision. Now our company's products are widely exported and used in the Russia,South Africa,South, Middle East, India, Kyrgyzstan and other regions.
