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Quick Details

  • Condition: New
  • Type: Converter
  • Usage: Melting Furnace
  • Place of Origin: Hunan, China (Mainland)
  • Brand Name: Unionsum
  • Model Number: Customized
  • Voltage: Onsite Condition
  • Power(W): Adjustable
  • Dimension(L*W*H): Custom Made
  • Weight: 2T-35T
  • Certification: ISO
  • Warranty: 1 Year
  • After-sales Service Provided: Engineers available to service machinery overseas

Packaging & Delivery

Packaging Details standard package for oversea shipping
Delivery Time Shipped in 30 days after payment

Refining Alloying Kettle 

Lead refining kettle is used for lead refining, to remove impurities inside. The inpurities can be Bi, Ag, Zn, and so on. The final product purity is 99%~99.9%. The dust in the off-gas will be back to reverberatory furnace, so the Pb recover rate is above 98%.

 

Advantages
  • Simple structure and low cost;
  • Compact installation configuration;
  • Qualified pure Lead products based on lead bullion composition and client requirement.;
  • Completed system can be designed based on site condition

 

Working principle
  • Cu removal: When the lead bullion is heated to 330~350°C, adding Sulphur or pyriteis to remove Cu as CuS flotation slag;
  • As, Sb, and Sn removal: Air or oxygen is injected into the lead pot to oxidizethe As, Sb, Sn, then the oxides will react with sodium hydroxide, and finally be removed as sodium salt;
  • Ag removal: Zn is added to combine Ag as solid metal compound whose melting point is higher than lead. So we can remove and recover Ag from lead;
  • Zn removal: the main equipment is refining lead pot with closed water cooler which connects with vacuum facilities. When heating under vacuum, the Zn steam will evaporate from lead liquid, and then be cooled into solid Zinc;
  • Bi removal: Ca and Mg are added to combine Bi as solid metal compound which will be separated from lead liquid;
  • Final refining: Air or NaNO3 will be added, then the residual Ca, Mg will form slag, and finally be remove.
Transportation

 

Components

1. Lead circulating shell

 

2. Lead kettle cover

 

3. Lead pump

 

4. Agitator

 

 

Company Information

                                           Prospecting                                                      Mining                                                         Metallurgy                                         Processing                                                       Trading                                                             EPC service

Unionsum, a subsidiary of CRIMM, provides sustainable system solution for mining and

metallurgy industry, including engineering, procurement and construction, and offers a widerange of

scientific research and consultingservices.

 

                                                   Mining and Metallurgy Experts 

History from 1953

Most authoritative and comprehensive organization in China mining and metallurgy industry

2 academicians of China Engineering Academy, 108 professors and 500 senior engineers

50 Laboratories and Pilot Plants (2 state key Labs)

Decades experiences in research and engineering service

 

 Qualifications 

 Clients Visiting 

 

 Global Market 

                                           Vacuum distillation project at Bulgaria                                          Rotary Furnace at Thailand        

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