Sinosteel Luoyang Institute Refractories Research Co., Ltd

Luoyang, China

We are offering zirconia bricks. . there are two kinds of products, dense zirconia brick and bubble zirconia brick 2. zro2 + stabilizer > 99%, good insulation performance, good thermal shock resistance. 3. mainly used for ultra high temperature equipments above 1800 degrees. technical data items dense zirconia bricks brand dzb-99c dzb-99y stabilizer cao y2o3 content of stabilizer, % 3.5--5.0 8.0--18 bd, gcm3 ≥ 4.2 ≥ 4.2 ccs, mpa ≥30 ≥20 thermal conductivity (1200℃), w(m•k) ≤1.65 ≤1.65 plc (1600℃×3h), % ±0.15 ±0.15 safe service temp. , ℃ ≤2400 ≤2400

We are offering ceramic foam filter. Place of origin: henan, china (mainland) shape: plate material: sic; zro2; al2o3 sio2 content (%): -- al2o3 content (%): -- mgo content (%): -- cao content (%): -- refractoriness (degree): 1770°< refractoriness< 2000° cro content (%): -- sic content (%): -- model number: -- brand name: lirr name: casting used porous alumina ceramic foam filter brand: lirr refractoriness: 1900

*sic products-35000mtyear- for i&s industry, *aluminium industry, ceramic industry, waste energy industry *chrome & alumina based bricks-10000mtyear- chemical industry, *waste ash melting furnace function materials- sen, shroud, stopper, purging plug etc. For steel making monolithic products- castables, mortar, gunning, ramming, precast etc. *ceramic fiber products- blanket, board, modules etc. our strong products for i&s industry is sic for bf, trough materials, purging plug, meterring nozzle, function materials for con-casting etc. Also we have the different products for petrochemical, coalchemical , ceramic, glass fiber industries. Just like oxidation refractory bricks, fiber modules, fiber blankets, fiber board, kiln furniture, dental equipment, hight temperature testing equipment for refractory and the heating furnace.

We are offering ceramic fiber. The ceramic fiber insulation materials mainly used as insulation materials in various kinds of furnaces in metallurgy, petrochemical, ceramic, buliding, etc. Or working layer of cracking heater. technical data of blanket item ordinary fiber blanket high purity fiber blanket high alumina fiber blanket zirconia containing fiber blanket pxt-1000 cxt-1100 gxt-1200 hxt-1300 recommended service temp.℃ 1000 1000 1200 1300 density, kgcm3 96, 120, 160 fiber diameter 3-5mm thermal conductivity, w·(m·k)-1 500 0.12 heating shrinkage, % 4 (1150℃×6h) 4 (1150℃×6h) 4 (1400℃×6h) 4 (1300℃×6h) dimensions, mm 600*400, 900*600, 1200*1000*(10-50) slag ball rate, % 25 25 20 20 al2o3, % 43 47 52-55 36-40 al2o3+sio2, % 96 97 98 -- zro2, % -- -- -- 13-18 al2o3+sio2+zro2, % -- -- -- 99 fe2o3, % 1.5 1.0 0.35 0.3 k2o+na2o, % 0.5 0.5 0.35 0.35 application used as inner lining for kilns in the metallurgy, petrochemical, machinery and electrons, ceramics industries, etc. And insulating material for nuclear power industry.

We are offering silicon carbide brick. Item si3n4 bonded sic brick sialon bonded sic brick inset brick, lining brick and tuyere combined brick tuyere sleeve chemical composition, % sic 72 70 71 si3n4 20 20 5.2(n) fe2o3 0.7 0.7 0.7 bulk density, gcm3 2.67 2.55 2.68 apparent porosity, % 16 20 15 ccs, mpa 160 120 160 mor, mpa ambient temp. 40 30 45 1400℃×0.5h 45 35 45 refractoriness under load, ℃, (0.2mpa, 0.6%) 1700 1700 1700 thermal shock resistance, cycle, (1100℃, water quenching) 30 30 30 thermal expansion coefficient, 10-6·k-1 4.5(20-1000℃) -- 5.0 thermal conductixity, w(m · k) 300℃ 35 -- 29 700℃ 24 -- 21 1000℃ 20 -- 16.5 1300℃ 15 -- 15(1200℃) luoyang institude of refractories research(lirr), a wholly owned subsidiary of china iron&steel industry&trade group corporation, is a high-tech enterprise that has passed the iso9001 international quality system certification.with nearly 50 years' development, lirr has become a base of research, manufacture and services with significant influences at home and abroad.it has undertaken more than 260 research projects of the state, ministerial or provincial level and made over 550 achievements in the research since its setup 50 years ago. the national engineering research center for refractories, the national quality inspection & supervision center for refractories and refractory authorized leb of state i&e commodity administration are all set in lirr.

We are offering kiln furniture. 1.the nitride bonded sic kiln furniture is prepared with high purity silicon carbide and metallic silicon powders, fired by the nitridationreaction at high temperatures. it is characterized by good thermal shock resistance adn high hog strength etc. And is widely used in the industries of ceramics, electric porcelain and abrasive disks. it was awarded the "third prize of science & technology progress" by the dormer ministry of metallurgy industry in 1996. so far, the kiln furniture has been applied in approximately a hundred plants in china's ceramic industry with good performance and has exported to many countries such as germany, austria, slovak, brazil, japan, india, pakistan etc. 2.the silicon oxynitride bonded sic kiln furniture is composite silicon carbide kiln furniture with sic as main crystal phase and si2n2o3 as main binding phase. It is prepared with silicon carbide and metallic silicon powder as main starting materials, firing at about 1500 celsius degree by high temperature nitridation reaction. characterized by high strength, good oxidation resistance and good thermal shock resistance, it has been used in sanitary ceramic, electric porcelain, abrasive materials and tools, and high technology industry ceramics since 2002, and has been applied in above 80 related plants at home and abroad with good performances. it was awarded the "second prize of science & technology progress of luoyang. In 2005, "third prize of metallurgical science & technology progress' and national key new products in 2006. 3.the siloca bonded sic kiln furniture is prepared with silicon carbide particles as aggregates, and silica as main binding phase, silicon carbide and silica as main starting materials, fired 1400-1500 celsius degree.

We are offering high temperature testing equipment, high-temp. Heat treatment furnace and truck kiln the furnace can be designed according to customer's requirement. service temp.℃ furnace size , mm heating rate ℃min remarks mid-temperature test furnace zwl-13-12 1300 320×200×140 0~15 zwl-13-18 1300 550×250×240 quick heating furnace ksl-13-12 1300 320×200×140 0~25 high quality mullite lining ksl-13-8 1300 320×200×140 0~30 all fiber energy-saving lining ksl-16-25 1600 320×210×175 0~25 truck kiln ycl-13-50 1350 1200×400×500 0~5 ycl-16-60 1600 600×450×550 0~5 industrial heating furnace gyl-17-66 1650 1100×280×250 0~5 double gyl-17-100p 1700 900×500×500 0~5 three-point tt p:industry tt&pc y:t2100 smart tt& controller (pc controller can make sure that one controller control 8 heating furnaces according to customers' request.) the furnace can be designed to cabinet type , awl type , truck and tubulartype etc. Industrial, experimental furnace, gas furnace, atmosphere furnace and vacuum furnace according to customer's requirement.

We are offering submerged entry nozzle. 1.al2o3-c shroud (zro2-c compound for slag line), submerged entry nozzle(sen) and monolithic stopper developed by lirr is with high strength, good corrosion resistance and trermal shock resistance. 2.shroud may be used directly without pre-heating due to its excellent thermal shock resistance. 3.sen has good al2o3 anticlogging ability without argon blowing which ensures smooth con-casting of high quality steel such as car steel, oil well steel and ship shell steel. 4.particularly, sen performs well in near net shape con-casting which ensures to form even and stable steel stream. physical and chemical index items al2o3-c shround al2o3-zro2-c sen body al2o3-zro2-c sen slag line al2o3 , % 45 50 -- graphite , % 25 12 12 zro2 , % -- -- 70 mgo, % -- -- -- bulk density, gcm3 2.4 2.4 3.4 apparent porosity , % 22 20 18 cold modulus of rupture, mpa 5 5 5 cold crushing strength, mpa 16 15 15 thermal shock resistance, cycles (1100 ℃ water quehing) 8 5 8 service life, h 8 8 --

We offer sic bricks. Leading products of lirr: refractories for non-ferrous industry, refractory for iron & steel industry, refractories for petrochemcical industry, refractories for ceramic industry, refractories for glass fiber industry, refractories for electric power boiler, light-weight insulating refractories, high temperature testing apparatus, superhard materials product, dentistry technical equipment, special packing matrials.. The silicon nitride bonded silicon carbide brick prepared using high-grade silicon carbide and industrial silicon powder as starting materials adopting technologies of vibration pressing moulding and step high pressure nitridation sintering is characterized by good corrosion resistance to cryolite, good oxidation resistance, high hot strength, good thermal conductivity and long service life. The brick is an ideal side wall material for large prebaked aluminum electrolysis cell over 180kva. Compared with side carbon block, the energy saving effect of this brick is more obvious.

We are offering metering nozzle. 1.of good corrosion and thermal shock resistance, long service life as well as low diameter enlargng rate. 2.maily used for small square billet con-casting and steel flow rate controlling. 3.excellent application results have been achieved in many I & s works. technical data item nozzle cores nozzle sleeve zro2, % al2o3, % bulk density, gcm3 apparent porosity, % service life thermal shock resistance cycle(1100℃ water quenching) application used in billet con-casting system to control molten steel flow rate

We are offering refractory cement. The product is produced based on the low cement castables by optimizing the binding system and adding active micro powder to enhance the strength. technical data item casta40s chemical composition, % al2o3 40 max. Service temp., ℃ 1300(anti-infiltrating) bulk density, gcm3 110℃×24h 2.3 mor, mpa 110℃×24h 7 800℃×3h 6 crushing strength, mpa 110℃×24h 40 800℃×3h 40 thermal conductivity, (350℃), w(m·k) 1.15 service area back lining of molten bath and furnace wall alumina-silica monolithic refractories item alumina-silica monolithic refractories dry barrier mix high-strength castable light-weight castable insulating refractory mortar al2o3+sio2, % 80 90 85 35(al2o3, %) refractoriness, ℃ service temp., ℃ 1400 -- 1690 -- 1200 1560 bulk density, gcm3 1.93 2.2 0.6 -- crushing strength, mpa 110℃×24h -- 35 3 -- 1000℃×3h 900℃×3h -- 60 -- 3.9 -- plc, % 110℃×24h 0~-0.1 -- -- -- 1000℃×3h 0~ -0.4 -- 0~ -1 +1~ -4 thermal conductivity, (1000℃), w(m·k) ~0.55 (800℃) ~0.6 (200℃) ~0.13 (700℃) ~0.35 (1000℃) mor, mpa 110℃×24h -- 5 0.7 0.5 (cold rupture bonding strength) 1000℃×3h -- 10 0.98 0.5 (cold rupture bonding strength) electrolyte reaction rate, % 13 -- -- -- adhesive time, min -- -- 1~3 1~3 grain size distribution +0.5mm -- -- -- 2 -0.074mm 50 application as barrier layer in bottom of the cell sidewall and colletor bar area insulating areas such as cell bottom and cell end masonry of light-weight bricks