Technical Patents

SN Patent Description Patent No. Year of Award
1 Center vortex column flash smelting process ZL03125473.X 2006
2 Sulfuric acid conversion adjustable heat exchange process ZL02147792.2 2006
3 Smelter off-gas dynamic wave purification equipment ZL02115631.X 2006
4 Copper, nickel sulfide concentrate flash smelting metallurgy process ZL01138379.8 2006
5 A low pollution jarosite iron removal Zinc hydrometallurgy method ZL200610101223.2 2008
6 A new installation method for straight-through plug downhole gate valve under high pressure water head 200810107374.8 2010
7 Copper anode plate adjustable floating chuck clamping positioning device 200810107265.6 2010
8 Copper anode plate multi-station stable transfer device 200810107264.1 2010
9 An integrated floating smelting and immersion converting continuous copper smelting method and device                        ZL200710009624.X 2010
10 Crankshaft loading and unloading device ZL200710011850.1 2010
11 Diaphragm pump pressure testing system and test method zl2008.1.0010057.4 2010
12 Linkage device between shafts zl2007.1.0157430.5 2010
13 Diaphragm pump one-way valve automatic fault diagnosis method and device zl2007.1.0157429.1 2010
14 Alloy ingot mould and casting method with cooling device zl200910145697.0 2010
15 A copper recovery method from purified slag in Zinc hydrometallurgy zl200710301216.1 2010
16 A scrap copper smelting process and equipment using nitrogen stirring and rich oxygen ZL200910168628.1 2011
17 Wastewater membrane separation process in Lead and Zinc smelting industry ZL200910115000.5 2011
18 Floating scrubber 200910115513.6 2011
19 Copper anode plate telescopic symmetric clamp device 200910186018.4 2011
20 An ecnomic sulfur dioxide recovery and sulfuric acid producing method from low concentration or discontinuous flue gas  ZL200910114923.9 2011
21 Copper anode plate cutter device 200910186019.9 2011
22 An effective beneficiation process recovering magnetite less than 12mm  200910186710.7 2011
23 Biological bacterium grounding resistance reduction agent 200910260830.7 2011
24 Construction method of biological bacterium grounding resistance reduction agent 200910186824.1 2011
25 Aluminium ladle cleaner ZL200810010723.4 2011
26 A tilting type aluminium ladle cleaner ZL200810011087.7 2011
27 Single arm combined type boring cutter ZL200810013169.5 2011
28 A diaphragm pump power terminal box zl201010527990.6 2011
29 A repair method for heat exchanger zl201110091075.1 2012
30 Flexible drive mechanism of disk casting system 200810107266.0 2012
31 Descend flue duct ash bunker in top-blown smelting waste heat boiler 201010164639.5 2012
32 A biological bacterium grounding resistance reduction agent 200910260829.4 2012
33 Waste heat recovery boiler entrance sealing device ZL2010101646179 2012
34 Bus-type zero sequence current field processing system of grid grounding line selection 200910115967.3 2012
35 A new aluminium liquid transportation method 201010217589.2 2012
36 Water flow control device of overflow intercepting well 201120373689.4 2012
37 Lead flash smelting method ZL200810058320.7 2012
38 Karst water mine ventilation method 200910115942.3 2012
39 An beneficiation process with effective recovery of tantalum and niobium ore 200910186049.X 2012
40 A carbon block clamping crane ZL200910011342.2 2012
41 A profile device of vertical lathe spherical surface processing ZL200910248651.1 2012