High Strength 1790C Aluminum Silicate Refractory Brick

High Strength 1790C Aluminum Silicate Refractory Brick

Low Creep High Alumina Bricks

Low Creep High Alumina Bricks are produced with selected bauxite chamotte by advanced process and strict quality control. The main mineral components are corundum and mullite phases. Its features are excellent high temperature mechanics and chemical corrosion resistance.

If Al2O3 content is higher than 90%, it is called corundum brick. Due to different resources, national standards are not completely consistent. For example, European countries have stipulated that the lower limit of Al2O3 content for high-alumina refractories is 42%. In China, according to the content of Al2O3 in high alumina bricks, it is usually divided into three grades: Grade I──Al2O3 content>75%; Grade II──Al2O3 content is 60～75%; Grade III──Al2O3 content is 48～60%.

The production process of Low Creep High Alumina Bricks and multi-clinker clay bricks are similar.

The difference is that the proportion of clinker in the ingredients is higher, which can be as high as 90-95%.

The clinker needs to be sorted and sieved to remove iron before crushing, and the firing temperature Higher, such as Ⅰ, Ⅱ high alumina bricks are generally 1500～1600℃ when fired in tunnel kiln.

Production practice in China has proved that before crushing, high-aluminum clinker is strictly sorted and classified, and stored in tiers.

The use of bauxite clinker and combined clay fine grinding method can improve product quality.

Application:

Low Creep High Alumina Bricks used for lining blast furnaces, hot blast stoves, electric furnace tops, blast furnaces, reverberatory furnaces, and rotary kilns. In addition, high alumina bricks are also widely used as open hearth regenerative checker bricks, plugs for pouring systems, nozzle bricks, etc. However, the price of high alumina bricks is higher than that of clay bricks, so it is not necessary to use high alumina bricks where clay bricks can meet the requirements.

1. Iron&steel making industry:

Blast furnace,hot blast furnace(stove),pellet shaft furnace,hot metal ladle,steel ladle, tundish,heating furnace,soaking pit furnace,heat treatment furnace,refining furnace,reheating furnace,metal mixter furnace,annealing furnace, cupola furnace,electric arc furnace,induction furnace,AOD furnace,VOD furnace,etc thermal technology equipment.

2. Non-ferrous Metal industry:

Smelting furnace,refining furnace,reverberatory furnace,converter furnace.

3. Building materials industry:

Cement kiln,glass kiln,ceramic kiln,lime kilns,kiln car,tunnel kiln

4. Energy & Incineration:Coke oven,general boiler,power,generation,boiler,circulating fluidized bed boiler,electric furnace,carbon rosating furnace,waste incinerators.

5. Others: Petrochemical industry furnace.

    Zhengzhou ANNEC Industrial CO., Ltd. was founded at Sep, 2003, and has been a NASDAQ listed corporation since 2011(Stock code: ANNC). ANNEC had become refractory industrial leader provide core service such as refractory production, technology of blast furnace and hot blast stove and EPC contract project in China. Now ANNEC sets up Academician workstations, the Provincial Engineering and Technology Center, Hot Blast Stove Research Centre, ANNEC (Beijing) Engineering Technology Co., Ltd and four production sites as subsidiaries. Yearly refractory output is 150 kt.

    ANNEC is a national hi-tech company, and is accredited with ISO9001:2008 quality control system standards, ISO12001:2004 environmental control system standards, and GB/T28001-2011 HAZOPS. ANNEC has set up a thorough and effective management system with practical considerations for her employees and community, and is persistent in promoting employee self-value and product products. Based on the efforts, ANNEC is the recipient of the prestigious 2012 Zhengzhou Mayor Quality Prize.

ANNEC has capability of manufacturing refractories materials of fireclay, high alumina, silica and insulating bricks and corresponding unshaped refractories for hot blast stove. Meanwhile, ANNEC also produce various refractories for coking, sintering, casting house, torpedoes, iron ladles and steel ladles. ANNEC’s products have been sold to America, Japan, Korea, India, Iran, Vietnam, Turkey, Malaysia and Indonesia; get the customer's endorsement in the domestic and world. At the same time, ANNEC’s testing center shoulder examinations of products quality and tests of new product development.

    ANNEC has been providing matched refractories of different type HBS for CERI, CISDI, WISDRI, CSGI and Kalugin，P•W，Danieli and SIEMENS VAI in their worldwide projects. ANNEC is awarded as excellent supplier by Baosteel, CSGI, and MCC etc.

ANNEC owns more than 50 patent technologies which include checker bricks with19 holes; 37 holes, 61 holes, ceramic burner of swirl-cutting top combustion hot blast stove, cone-column composited ceramic burner for top combustion hot blast stove, symmetric layout structure of hot blast stove, three section hot blast stove with independent structural. ANNEC was authorized to fulfill editing 7 standards of national and of industrial, including 《Silica Brick》, 《High Alumina Brick》， 《Refractory Brick for HBS Ceramic Burner》,《Refractory Standard Configuration of HBS System 》 and 《Energy Saving Technical Specification of Top Combustion HBS》.

    ANNEC successively get awards such as “Chinese Outstanding S&T Innovation Enterprise”、“AAA grade Credit Enterprise”“Chinese Famous Brand Trademark China” “Provincial Famous-brand Product, Henan”“Provincial Credit Enterprise, Henan” “Zhengzhou Environmental Enterprise”

    ANNEC owns core culture which is to make customer satisfaction, staff satisfaction and shareholder satisfaction; and continuously push forward technological development of HBS and progress of refractory technology by its great efforts, and gradually becomes one of the best professional suppliers in high temperature industry of global