1 00200664.2 The utility model relates to an oxygen lance for an electric furnace.
2 0 1262603. 1 The utility model relates to a hook device for the back door of a freight car. 36866.6866868666 1
3 03277808.2 utility model furnace wall oxygen lance seat brick 2004.09.3438+05
401127012.8 Inventions, patents, production technologies and products of cold-rolled ribbed steel bars 2005.06438+0. 19.
5 03259 158.6 utility model combination tool April 20, 2005
6 02 138698.6 Invention patent blast furnace molten iron slag iron separation device June 29, 2005
7 02 1485 16.x invention patent hot metal desulfurization method on June 29th, 2005.
8 03 1 13293.6 Invention Patent Production Technology of Aluminum-containing Steel Grade 2005.09.6438+04
9 204 105438+04700.2 Invention Patent Bearing Steel Production Process 2006+0.438+09
10 00200665.0 The utility model is a pneumatic movable baffle 2000.8338+00.206361
1101237305.2 short-tailed landslide utility model discharging furnace February 6, 2002
1201127004.7 invention patent continuous casting tundish feeding rare earth wire process 2003+0 1. 19.
13 0325989 1.2 utility model device for eliminating DC solenoid valve line voltage drop 2004.08. 1 1
1403113204.9 washing process of reclaimed slag and its scrubber of invention patent February September 2005.
15 02 138593.9 invention patent a controlled rolling process for medium and heavy plate and its lifting mechanism on June 29, 2005.
1603113203.0 patented method for controlling the shape of rolling head 2005.09. 14
17 20041041502.5 electric arc furnace converter steelmaking process invention patent 2006.03.6438+07
18 200410014157.6 invention patent for production technology of sulfur-containing free-cutting steel 2006.07.200810080807
19 20041041567. invention patent semi-solid rolling equipment for cast iron plate 2007.0 1. 17.
20 2004 1004 1568.4 invention patent semi-solid rolling process of cast iron sheet 2006+02.27
21200510038157.4 invention patent small-flow pump acid adding process and equipment for ammonium sulfate production on June 20, 2007.
22 200620075590.5 The leakage-proof device of the rolling mill of this utility model 2007.08.6438+05
23.20060077093.9 The guide of the finishing mill of this utility model is 2007.18666666666
24.2000077094.3 This utility model is an empty pipe pass of a finishing mill. May 2007, 5338+05.
25 200620077095.8 Utility model steel wire cooling device 2007.09.05
26 200620070855.2 New low thermal resistance cast iron stave 2007+02.26
27 200620 165253.5 A practical new type variable frequency drum motor with accurate positioning function 2007.08.438+0
28 03 13 1672.7 invention patent an online repair method and its special combined machine tool on March 26th, 2008.
29 200720038083.9 Utility model marine unequal-side unequal-thickness angle steel pass system 2008. 06. 65538+0 1
30 200720038466.6 The utility model CNC roller grinder dry oil hydrostatic system 2008. 06. 6538+0 1
3 1 200720043229.9 On-line monitoring device for slab furnace scale 2008.06. 1 1
32 200720045932.3 Practical water seal device for work roll guide plate of medium and heavy plate hot rolling mill 2008.07.02
33 200720045933.8 Practical water seal device for water baffle of plate hot rolling mill 2008.07.02
34 2006 100965 13.2 Invention patent for production process of advanced pipeline steel with low compression ratio 2008.08.06
35 2006100395210.3 patented method of hot metal desulfurization outside magnesium rod furnace 2008.09.6438+07
36 2006 10096570.0 Invented the patent of laminar cooling water side blowing and sweeping system for high-strength low-alloy steel after rolling. 366548.06668666667
37 200820032749.4 Three-high cogging machine utility model rolling guide rail 2008.09. 12
38 200820033955.7 The utility model steckel mill stepped backup roller 2008.6438+00.6438+00.
39 2006 10086 189.6 invention patent of accelerated cooling device for high-strength low-alloy steel billet to be heated 2008.56438+0 1.26.
40 2007 10020484.6 invention patent heating process of lead-containing free-cutting steel 2008. 1 1.26
1 2008200356. 1 utility model reflective film device for laser theodolite measurement56438.000000000105
42 2006 10039 13.0 Invention Patent Manufacturing Method of Cast Iron Cooling stave 2008+0 1.6438+04
On March 3, 200004804, the reflective prism device was used for the measurement of a new type of laser theodolite.20038.000800808884
44 2007 10024770.x treatment method of zinc-containing electric furnace dust 2009.03. 18
45 2007 10025039.9 Invention Patent Dry Oil Hydrostatic System of CNC Roller Grinder March 2009.6438+08
46 200710/31449.1Invention patent Calculation method of mixing efficiency in iron ore powder mixing operation 2009.03. 18
47 2006 100392 12.6 Application of Polycrystalline Mullite in Heating Furnace March 27, 2009
48 2007 10 190249.3 Invention Patent 2009.03. 10 Four-High Plate Mill Single-Side Servo Load Balance Control Method