Industrial Waste | One stop Solution for Precious Metal Waste Recycling and Purification Plant

Billion dollar blue ocean and compliance upgrade of the precious metal recycling industry

Yihui Casting has been deeply involved in the field of precision processing of precious metals for 23 years. Targeting the core needs of a team of 10-20 people and a small and medium-sized precious metal waste recycling plant of 200-500 square meters, we have created the first domestic full process closed-loop+industrial grade environmentally friendly precious metal waste recycling and purification solution. The plan adopts chemical purification technology to achieve full process automation production from waste pretreatment to finished ingot casting; Equipped with a complete set of industrial grade waste gas and wastewater treatment systems, 100% meeting national environmental protection standards; All equipment is designed modularly, without the need for large-scale factory renovation. The production line can be set up and put into operation in 7 days, helping small and medium-sized factories break through the dual barriers of technology and compliance, and achieve large-scale, standardized, and green production.

Core technology pain points in the precious metal waste recycling and purification industry

The recycling of precious metal waste belongs to a typical high-risk, high return, and high-tech threshold industry. Traditional processes have technical bottlenecks that cannot be overcome in the following core areas, which is also a common problem that has existed in the industry for a long time:

Yihui Solution Positioning and Full Process Automation Logic

Positioning Strategy

Specially designed for teams of 10-20 people and small and medium-sized precious metal waste recycling plants of 200-500 square meters, it is the first integrated solution in China to achieve a closed-loop process from waste pretreatment to finished ingot casting and meet industrial environmental standards. The scheme adopts mature chemical purification technology, which can process various raw materials such as jewelry gold, industrial waste, electronic waste, catalyst waste, etc; Equipped with a complete set of automation equipment and environmental protection systems, achieving high recovery rate, high purity, low loss, and environmentally compliant production; No need for professional chemical engineers, one click operation after parameter preset, greatly reducing dependence on manual labor.

Whole process closed-loop logic

This plan is divided into two core modules: the standardized production process of precious metal recovery and purification, and the technology empowerment process. It forms a complete technical loop from waste to finished products, ensuring the stability and consistency of the production process.

Factory exclusive core equipment and supporting consumables system

All equipment in this plan is directly supplied by Yihui factory, customized and developed for the corrosive, high-temperature, and high-value characteristics of precious metal waste recycling and purification. The core components are made of anti-corrosion materials and imported configurations to ensure the stability and durability of the equipment; Supporting exclusive consumables and tools to form a complete production loop, without the need for scattered procurement of additional equipment.

Core main equipment

Large scale high vacuum medium frequency melting furnace

Corresponding process step: melting

Industry exclusive value: High vacuum oxygen free melting, completely eliminating high-temperature volatilization loss of precious metals, with a melting recovery rate of ≥ 99.9%; Electromagnetic stirring ensures uniform alloy composition, with no porosity or sand holes in the ingot; The continuous casting system can produce standard specifications of gold and silver ingots, suitable for subsequent sales and deep processing needs.

Precious metal purification and refining furnace

Corresponding process step: Purification

Industry exclusive value: Industrial grade enclosed design, no leakage during aqua regia dissolution process; Automatic temperature control, automatic dosing, precise and controllable purification process; The highest purification purity can reach 5N (99.999%), with a comprehensive recovery rate of ≥ 99.5%; The exhaust gas condensation recovery device recovers volatile precious metals, further reducing losses.

Continuous casting ingot machine

Corresponding process step: ingot casting

Industry exclusive value: Fully automatic continuous casting without manual operation; The ingot size is uniform and the surface is smooth; The automatic labeling system can print brand logos, purity, weight, and other information to enhance product added value.

Automated X-Press

Corresponding process step: tablet pressing

Industry exclusive value: automatic compression molding of purified precious metals, suitable for subsequent sales and deep processing needs; High compression accuracy, smooth and scratch free surface.

CNC roaster

Corresponding process step: pretreatment

Industry exclusive value: roasting and impurity removal of electronic waste and organic carrier waste, large capacity, multiple workstations, suitable for large-scale waste pretreatment; Segmented temperature controlled roasting thoroughly removes organic impurities while avoiding the volatilization of precious metals.

Supporting auxiliary equipment (full process closed-loop coverage, essential for quality control and environmental protection)

Large scale water cooling system

Corresponding process step: equipment cooling

Industry exclusive value: providing stable cooling water for melting furnaces, refining furnaces and other equipment, ensuring the stable operation of equipment temperature control systems, and improving product quality consistency.

Spectral alloy composition analyzer

Corresponding process steps: raw material and finished product testing

Industry exclusive value: rapid and accurate detection of precious metal content in raw materials and finished products, precise control of acquisition costs and product quality; Establish a component testing system for raw material storage and finished product storage to eliminate quality disputes.

Fully automatic ultrasonic cleaning machine

Corresponding process step: workpiece cleaning

Industry exclusive value: Thoroughly remove oil stains and impurities from the surface of the workpiece, ensuring the quality of subsequent melting and purification; The cleaning solution is reusable and equipped with a precious metal recycling filter element.

chamber pressure filter

Corresponding process step: wastewater treatment

Industry exclusive value: Wet purification of wastewater solid-liquid separation, recovery of precious metals in wastewater, and prevention of precious metal loss; The filtered wastewater enters the subsequent wastewater treatment system and is discharged in compliance with standards.

Industrial grade wastewater treatment system

Corresponding process step: wastewater treatment

Industry exclusive value: a complete set of wastewater treatment equipment, one-stop treatment for neutralization, sedimentation, adsorption, and filtration; Recycling trace precious metals from wastewater to achieve dual goals of environmental compliance and resource recovery.

Industrial grade waste gas treatment system

Corresponding process step: waste gas treatment

Industry exclusive value: Treating nitrogen oxide waste gas generated during the dissolution process of aqua regia, using alkaline washing+redox process to decompose harmful gases into harmless substances for emission; Equipped with a precious metal adsorption device to recover precious metal particles from exhaust gas.

Exclusive consumables (specifically designed for precious metal recycling, factory compatible)

Supporting tools (specifically designed for waste recycling, purification, and processing, fully equipped)

Core Technologies and Business Value of the Implementation Plan

This plan comprehensively addresses the industry pain points of precious metal waste recycling and purification from six dimensions: purification purity, comprehensive recovery rate, loss control, production efficiency, environmental compliance, and quality control system. All technical indicators have been verified by Yihui Laboratory and customer factories.

Core Technology Value (Indicator Comparison)

Core business value (validation of production ratio)

Benchmark calculation: Standard recycling plant (15 person team, 300 ㎡ factory, monthly processing of 1000kg crude gold, gold content of 90%, gold price of 450 yuan/gram)

Gradient calculation

Core business conclusion

1. The improvement of recovery rate is the core source of profit: Yihui's solution has increased the comprehensive recovery rate from 95% to 99.5%. Calculated based on processing 1000kg of crude gold per month, it saves 31.5kg of gold in a single month, worth 14.175 million yuan, and saves 170 million yuan annually.

2. Environmental compliance to avoid huge losses: Traditional factories suffer losses of about 600000 to 1.2 million yuan annually due to environmental fines and hazardous waste disposal. Yihui's solution meets 100% environmental standards and completely eliminates environmental risks.

3. Significant improvement in production efficiency: The production time for a single batch has been reduced from 48 hours to 12 hours, and the production capacity has increased by more than three times. It can undertake large quantities of orders and respond quickly to customer needs.

4. Enhanced product premium capability: 99.99% or more high-purity products can enter high-end markets such as electronics and semiconductors, with prices 5% -10% higher than ordinary products, further increasing profit margins.

Compliance and Policy Value

The complete set of environmental protection equipment achieves 100% standard discharge of exhaust gas and wastewater, complying with the latest national environmental standards, helping the factory pass the environmental impact assessment and obtain legal business qualifications smoothly.

Establish a comprehensive hazardous waste management system and ledger to meet the regulatory requirements of environmental protection departments and avoid the risk of shutdown due to non-compliance with hazardous waste disposal regulations.

Compliant with national policies on green manufacturing and resource recycling, eligible to apply for government environmental subsidies and special funding support.

Practical examples of benchmark factories

Core pain points before cooperation

1. Traditional open melting has a comprehensive recovery rate of only 93%. Calculated based on processing 800kg of crude gold per month, the monthly loss is 10.08 million yuan;

2. The highest purity of purification can only reach 99.9%, which cannot undertake high-purity orders in the electronics industry, and the product premium ability is poor;

3. Environmental standards are not met, and the discharge of waste gas and wastewater has been complained by surrounding residents, facing a fine of 1 million yuan and the risk of closure;

4. The processing capacity of a single batch is only 15kg, and the production cycle is as long as 36 hours, making it unable to undertake large-scale orders;

5. Lack of professional quality control system, large fluctuations in product quality, and a customer complaint rate of up to 15%.

Solution application

Adopting the standard configuration scheme of Yihui Precious Metal Waste Recycling and Purification Plant, the core implementation contents are as follows:

1. Core equipment: 50kg high vacuum melting furnace+100L precious metal purification and refining furnace+continuous casting ingot machine+fully automatic tablet press+CNC roasting furnace;

2. Supporting facilities: large water cooling system+direct reading spectrometer+fully automatic ultrasonic cleaning machine+box filter press+industrial wastewater treatment system+industrial waste gas treatment system;

3. Exclusive consumables and tools: complete set of precious metal recycling consumables, measuring tool set, sampling tool set, safety protection tool set;

4. Technical Empowerment Services: Free 350 ㎡ factory environmental protection line planning, on-site equipment installation and commissioning, system calibration, 7-day one-on-one precious metal recycling and purification process training, environmental compliance special training, quality control system construction guidance.

Cooperation landing results

1. The comprehensive recovery rate has increased from 93% to 99.6%, saving 11.664 million yuan in loss costs per month and 140 million yuan annually;

2. The purification purity has been increased to 99.999%, and it has successfully passed the supplier certification of a well-known electronic enterprise, with an increase of 250% in order volume;

3. 100% standard discharge of exhaust gas and wastewater, successfully passed the environmental impact assessment acceptance, and thoroughly resolved environmental complaints and penalty risks;

4. The single batch processing capacity has been increased to 50kg, the production cycle has been shortened to 10 hours, the production capacity has been increased by 4 times, and it can undertake large-scale orders;

5. We have established a comprehensive quality control system throughout the entire process, with product quality fluctuations of ≤ 0.01% and customer complaint rates reduced to 0;

6. Within 4.2 months, we recovered all 680000 yuan of equipment investment and became a well-known high-purity precious metal recycling supplier in the Pearl River Delta region.

Exclusive full process training and service guarantee system for precious metal recycling

In response to the high technical threshold, strict environmental requirements, and high safety risks in the precious metal recycling and purification industry, Yihui Casting has created a four in one exclusive training and service guarantee system of "equipment+process+environmental protection+safety", accompanying the factory throughout the process to solve various technical problems in the production process, ensuring stable operation of the production line and environmental compliance.

Please contact us to provide a one-stop solution for your precious metal waste recycling and purification plant

Yihui Casting's one-stop solution for building a precious metal recycling and purification plant covers the entire process of site planning, process design, complete purification equipment, environmental protection support, qualification guidance, installation and commissioning, personnel training, and after-sales operation and maintenance, truly achieving a turnkey project from vacant land to compliant production.

Customized production lines are designed for various waste purification scenarios such as gold, silver, platinum palladium rhodium, etc. The wet pyrometallurgical process is matched as needed, and a complete waste gas and wastewater treatment system is provided to easily meet environmental inspection and production supervision requirements in various regions, greatly reducing the preparation period for factory construction and trial production losses.

Whether it is building a new independent purification plant, renovating and expanding workshops, or building an internal closed-loop recycling production line within the enterprise, a dedicated implementation plan can be provided. If you need to conduct a site survey, provide a factory budget, or visit a sample production plant area, please feel free to consult an engineer online immediately. Yihui Casting, with mature metallurgical technology and complete engineering strength, helps customers build high recovery, low-cost, compliant and stable precious metal recycling factories, and jointly builds a new pattern of green circular industry.