conical oxygen lance with long taper steel pipe - cs4-6
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1. Lance body composition: The oxygen lance furniture is composed of three concentric circular pipes. It integrates oxygen lance end with oxygen&water supply and drainage channel with lance tip spraying oxygen forming hollow-shape oxygen lance. Three concentric circular pipes are generally hot-rolling NO.20 seamless low-carbon steel pipe. As far as converter oxygen lance is concerned, inner pipe is the line for oxygen which flows from oxygen supply pipe at the end of lance to inner pipe blowing in the metal bath through nozzle.
2. The lance body connection:
a. The inner pipe and lance end have two ways of link: One is permanent joint with the flange; the other is gliding joint with the flange.
b. Connection between the inner pipe and nozzle is adopted with sliding connection of O-type rubber rings with welding is fixed.
c. Connection between the inner pipe and lance end is adopted with welding or flange-bolt permanent connection; The middle pipe is the partition board between inlet cooling water and outlet cooling water in the oxygen lance. Connection between the middle pipe and lance end is adopted with flange fixed welding,while Connection between the inner pipe and oxygen lance nozzle is adopted with intubation sliding connection. Cooling water enters the furniture from ring passageway in the outer pipe, middle pipe and inner pipe along the admitting pipe at the end of the lance, and drops to the nozzle’s guidance diversion board, pools in the die cavity and flows rapidly through end surface in die cavity, turns 180° and enters gap closure of outer pipe, and flows out through discharging tube.
Shandong chongsheng metallurgical oxygen lance co.,ltd
Address: No.5199 yingqian street, weifang, Shandong, China,
Tel: 86-15964047343
Shandong Chongsheng Metallurgical Oxygen Lance Co., Ltd is an enterprise specialized in research and production of metallurgical oxygen lances and nozzles, located in Weifang Hi-Tech Industry Development Zone. Key products in our company are oxygen lances and oxygen lance nozzles for various kinds of converters, electric furnace and electrode holders, tuyere, slag notch, other high conductivity copper components. We supply nozzle products to various steel plants such as Bao Steel, Wuhan Steel, Capital Steel, Ma Steel and so on with the market share of 70 percent at home. In addition, our products have substituted products imported from Japan, America, Germany, France, Italy. At the same time, we export our products to Belgium, Spain, Romania, Bosnia and Herzegovina, Ukraine, Australia, New Zealand, Turkey, Vietnam, India and Brazil, etc.
銆? In order to meet the production needs, there are advanced production and inspection equipments in our company such as large-tonnage frequency electric furnace, pipe bender, heavy-type hydraulic press machine, vertical lathe, boring machine, argon arc welding machine and submerged-arc welding machine and so on. Furthermore, Oxygen Jet Flow Equipment is one of only two Oxygen Jet Flow Equipments throughout China and Water Flow Testing Laboratory is unique nationally, which can better meet production need for different specifications of oxygen lance and nozzle at home and abroad. In 2009, trial of taper oxygen lance developed by our company was successful in Jinan Steel and Chengde Steel. At present, our taper oxygen lance is promoted all over the country.
