19

2022-07

Refractory balls for hot air furnace

1、High-alumina refractory balls Al2O3 mass fraction greater than 45%, alumina or aluminosilicate based refractory material is called high alumina refractory material. General high alumina refractory ball refractoriness of not less than 1750-1...

19

2022-07

The role of metals in refractory materials.

Plastic phase forming: The metal will slip in the lattice under stress and has plastic characteristics. Introducing it into the refractory, it will play plastic forming characteristics during the forming process compared to the hard inorganic mat...

19

2022-07

The role of metals in refractory materials.

Plastic phase forming: The metal will slip in the lattice under stress and has plastic characteristics. Introducing it into the refractory, it will play plastic forming characteristics during the forming process compared to the hard inorganic mat...

19

2022-07

Advantages of refractory castables for molten aluminum furnaces

Aluminum melting furnace is a new type of high efficiency and energy saving furnace developed according to the aluminum melting process, it can well meet the requirements of aluminum melting process: strict alloy composition, discontinuous produc...

19

2022-07

Selection method of refractory clay for coke ovens

Refractory mud for coke ovens requires good plasticity and adhesion at room temperature to facilitate construction, and small shrinkage after drying to prevent cracking; sintering or consolidation can occur at operating temperature, with a certai...

30

2022-06

Characteristics and application of mullite insulating brick

Mullite insulating brick is a high alumina refractory with mullite (3Al2O3 · 2SiO2) as the main crystalline phase. Generally, the alumina content is between 65% and 75%. In addition to mullite, the minerals with lower alumina content also contain...

30

2022-06

Masonry steps and technical requirements of refractory bricks for roller kiln

Masonry steps (1) Build fire-resistant insulation materials according to the material model, size and position on the masonry drawing. (2) Determine and calculate the position of the side wall hole brick center and the kiln outer frame tran...

28

2022-06

Technology and energy saving characteristics of active lime rotary kiln

In recent years, with the sharp rise of energy prices, the proportion of fuel cost in lime production is increasing, and the fuel consumed by calcining lime accounts for 30-40% of the total. The high cost of fuel has led to a sharp decline in pro...

28

2022-06

Differences and characteristics between shaft kiln and rotary kiln

At present, there are two main types of cement kilns. One type is rotary kiln (also known as rotary kiln) where the kiln barrel is horizontal (slightly inclined) and can make rotary movement. The other type of kiln barrel is vertical and does not...

27

2022-06

Our refractory products series for your kiln

Heavy brick--Aluminous silicon series With Al2O3 content as the core index, the optional Al2O3 content is between 30% and 90% depending on the use temperature. Use temperature: below 1700℃ Main raw material: high alumina bauxite aggregat...

27

2022-06

Refractory materials for the lining of various parts of the blast furnace

A blast furnace is an iron-making facility. Iron ore and coke are mixed into the blast furnace from the top of the furnace in proportion. At the lower air outlet, high temperature blast air (1000~1200℃) enters the blast furnace, and the redox rea...

27

2022-06

How can KRNC provide you with refractory construction guidance?

1.Refractory material delivery and storage Refractory materials are transported to the customer's site, our company provides reliable product storage methods, precautions, and detailed product construction instructions are attached with the pr...