01

2022-08

Introduction to the product characteristics and uses of mullite insulation bricks

Mullite insulation brick is a high alumina refractory material with mullite (3Al2O3-2SiO2) as the main crystalline phase. The general alumina content is between 65% and 75%. Mineral composition in addition to mullite, which contains low alumina a...

29

2022-07

Selection method of insulation bricks for industrial kilns

The main performance of the industrial kiln is mainly determined by the technical and economic performance of refractory materials, which directly affects the investment cost, work performance, thermal efficiency and energy consumption cost of op...

29

2022-07

Three basic elements of refractory maintenance for heating furnace linings

The direct crude oil heating furnace at the oil transmission station is an important equipment for crude oil transmission to prevent condensation and reduce resistance? The daily maintenance of heating furnace is crucial? I talk about the actual ...

29

2022-07

Three innovative developments in refractory products

Product innovation Low thermal conductivity and energy-saving refractory materials Lightweighting - designing the material structure to achieve lightweighting while ensuring the necessary functionalities such as alkali resistance. Microp...

29

2022-07

Common damage in the use of refractory bricks for cement kilns

1、Mechanical damage Subjected to a combination of pressure, pull, twist, shear mechanical stress. Kiln rotation, cylinder ellipticity, lining brick and cylinder body and between the brick and brick extrusion, twisting, kiln cylinder body defo...

29

2022-07

Cement rotary kiln refractory material use cautions

1、Cement rotary kiln refractory brick lining is divided into four categories according to the size of the brick seam and the degree of fine operation. The categories and brick seam size are as follows Category Ⅰ, ≤ 0.5mm. Class II, ≤ 1m...

29

2022-07

Temperature control and refractory brick selection for roof maintenance of coke oven combustion chamber

I. Program development 1 Arrangement of furnace plan In order to meet the urgent demand for coke and coke oven gas and increase the output of coke and gas as much as possible, the arrangement of furnace program should take into account the ...

29

2022-07

Performance and characteristics of high-strength wear-resistant castables

High strength wear-resistant castable is prepared by special cement, wear-resistant steel sand and chemical admixture, which has the characteristics of fast solidification, high strength and wear-resisting. It is widely used in coal mines, power ...

29

2022-07

Construction requirements for acid-resistant refractory castables

Construction requirements of acid-resistant refractory castables 1、The construction of acid-resistant castables should ensure that the power is not stopped and the construction is not interrupted. 2、The template for the construction of ac...

29

2022-07

Performance and applications of acid-resistant refractory castables

1、Acid-resistant castable material, thickness is 10-20 mm, compartmentalized construction, compartmentalized seam spacing 2-3 meters, the width of the seam can be 15-20 mm, the seam is filled with you teach dense. 2, Acid-resistant castable m...

29

2022-07

Factors affecting the wear resistance of refractory bricks

Abrasion resistance is the ability of refractory materials to resist the abrasive effects of hard materials and dusty gases. Abrasion resistance is the nature index of refractory products evaluated and selected in the working environment where re...

27

2022-07

Amorphous refractory materials - Refractory coroplast

Definition of Refractory PlasticRefractory plastic is an indefinite refractory material which is in the form of hard clay paste and maintains high plasticity for a long period of time, which is made of powdered granular material with plastic clay...