Smart Fire Assay System
Fully Automated, High-Precision Solution for Precious Metal Analysis
For precious metal refineries, mining labs, and jewelry testing centers seeking to upgrade from manual fire assay to smart, efficient workflows, the Smart Fire Assay System is a game-changer. It automates every stage-from sample batching to ash blowing-with industrial-grade precision, ensuring compliance with fire assay standards while slashing labor costs and error rates.
A smart fire assay system is a fully automated, modular precious metal testing solution that handles sample preparation, melting, casting, demolding, and ash blowing without manual intervention. Built around Siemens PLC control and ProfiNet networking, it integrates seamlessly with robotic arms and workshop management systems, enabling unmanned, data-driven precious metal analysis (e.g., gold, silver, platinum-group metals).
Key Functionality and Features
The Smart Fire Assay System is a fully automated, modular solution designed for high-precision analysis of precious metals (gold, silver, platinum-group metals). Its core functionalities and features include:
End-to-End Automation: Covers sample batching, reagent dosing, melting, casting, demolding, and ash blowing-no manual intervention required.
Lab-Grade Precision: Ensures reagent dosing accuracy (±1g for general reagents, ±0.3g for critical additives like sodium carbonate, lead oxide) and strict compliance with fire assay standards.
Eco-Friendly Design: Equipped with dust collection and flue gas discharge systems to meet global environmental regulations.
Intelligent Control: Powered by Siemens PLC and ProfiNet networking, enabling real-time process monitoring, formula auto-generation, and seamless integration with workshop management systems.
Input Raw Material and Output Product
|
Type |
Details |
|
Input Raw Material |
1. Precious metal-containing samples: Ore, jewelry scrap, electronic waste2. Reagents: Sodium carbonate, aluminum oxide, potassium nitrate, starch, lead oxide |
|
Output Product |
1. Physical output: Purified precious metal buttons (gold, silver, platinum-group metals)2. Data output: Assay reports (purity/composition), compliant with GB/T 4134-2021 |
Main Parameters
|
Parameter |
Specification |
|
Daily Throughput |
Up to 300 samples/day (25 samples/batch) |
|
Dosing Precision |
±1g (general reagents); ±0.3g (critical additives) |
|
Control System |
Siemens PLC + ProfiNet Networking |
|
Process Coverage |
Batching → Mixing → Melting → Casting → Demolding → Ash Blowing |
Main Sub-Assemblies
|
Sub-Assembly |
Function |
|
Batching & Mixing Unit |
Automates sample weighing and reagent dosing; ensures uniform mixing to avoid cross-contamination |
|
Melting & Casting Unit |
Uses high-temperature furnaces for controlled melting; robotic arms handle red-hot crucibles for precise casting and demolding |
|
Ash Blowing Unit |
Conducts automated ash blowing post-casting; paired with dust collection to capture particulates |
|
Control & Networking Unit |
Centralizes process control via Siemens PLC; enables data logging and integration with external systems (e.g., workshop management software) |
Process Flow Description
Sample Batching: Raw samples and reagents are automatically weighed and batched (25 samples per batch).
Mixing: Materials are uniformly mixed to ensure consistent chemical reactions.
Melting: Batches are fed into high-temperature furnaces for controlled melting.
Casting & Demolding: Molten samples are cast into molds; robots handle demolding of solidified metal buttons post-cooling.
Ash Blowing: Residue ash is blown off in automated stations, with particulates captured by dust collection systems.
Data Analysis & Output: Purified metal buttons and assay data are generated, ready for quality verification or downstream processing.
FAQ
Q: What payment terms are acceptable?
A: We accept Letters of Credit(LC), Telegraphic Transfers(TT), and cash payments.
Q: Can you provide installation service?
A: Yes, we offer installation services or installation instructions through online or other methods to meet the client's needs.
Q: Can you provide design service to clients?
A: Yes, we can provide customized design services and products according to the client's requirements..
Q: What control system does it use?
A: :Siemens PLC + ProfiNet for smart automation.
Q: How precise is dosing?
A: Reagents ±1g; critical additives ±0.3g.
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