LOW CREEP FIRECLAY CHECKER BRICKS FOR HOT BLAST FURNACE

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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
100 m.t
Supply Capability:
100000 m.t/month
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Product Description:

Product Name

Low Creep Fireclay Checker Bricks for Hot Blast Furnace

Material

Fire Clay

Quality Code

DRN120, DRL125

Al2O3

40 - 42%

Supply Ability

About 100000 tons per year

Package

Wooden pallet with plastic films

Loading port

Tianjin port

Lead time

30 days for 300 tons

To be confirmed for other quantities

 

Features

1. Very low creep rate

2. Excellent Refractories under Load

 

Technical data for LOW CREEP FIRE CLAY BRICK DRN-120

 

ITEMS

UNIT

VALUE

Al2O3

%

≥42

Fe2O3

%

≤2.5

Bulk Density

体密

g/cm3

2.1

Apparent Porosity

气孔

%

≤24

CCS

常温耐压强度

Mpa

≥35

0.2 MPa RUL

荷软, 0.2MPa

≥1400

Refractoriness

耐火度

≥1750

0.2 Mpa Creep Rate

1200×0~50h

蠕变率, 0.2MPa, 1200×0~50h

%

≤0.8

 

Photos

 

 

Refractories for all process in steel mills

 

LOW CREEP FIRECLAY CHECKER BRICKS FOR HOT BLAST FURNACE 

 

Factory photos

 

Package

 

 

Company profile

CNBM Group is short for China National Building Materials Group Corporation, which is established in 1984 with approval from the State Council

CNBM Group is the largest comprehensive building materials industry group in China.

CNBM Group is listed No.187 in on Fortune Global 500, 2020.

Refractory is one of the main products of the group. At the same time, under the globalization strategy,   CNBM International is the exporter, logistic and local service supplier.


 

 

 

 

 

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Q:What are the differences between thermal insulation bricks and refractory bricks?
Thermal insulation brick is thermal insulative; refractory brick is high temperature resistant.
Q:1200 degrees inside the furnace, lay a layer of refractory brick, what is the temperature outside?
except refractory brick, refractories include refractory concrete (refractory cement+aggregate), fire-resistant insulating layer (refractory cement+vermiculite powder or refractory cement + diatomaceous earth) and so on.
Q:What is the advantage of the ceramic fiber material compared with the refractory brick?
Ceramic fiber material is heavier than refractory bricks, property of machinery operation, low heat capacity, and has high anti-stretchability and good thermal shock resistance, low thermal conductivity make its thermal insulation effect is ten times than refractory brick, it won't has crack in sudden coolness and heat, and the construction is much easier than that of refractory brick, not delaying the production.
Q:Do cement kiln refractory bricks have quality guarantee period? can them still be used for a long time's pile?
They of course can be used. The plant will produce some bricks for standby application in advance, so they put for a period of time is completely no problem
Q:Blend 12% fireclay and 88% refractory cement. Moderate water and mud are used to pile up firebricks?
Refractory bricks can irectly be liner. Lightweight mullite brick can be used for relatively longer time. If there is no mullite brick, use mud said above for some time, then continue to use by patching up.
Q:The boiler is divided into several categories according to the structure, what characteristics does each have?
package boiler and assemble boiler are divided into vertical boiler and horizontal boiler. Vertical boiler. Assembled boiler adapts to boiler more than 6 tons, the package adapts to boiler less than 10 tons.
Q:What material does tile tunnel kiln use to replace the refractory brick to have better insulation effect and save the maintenance and prolong the service life?
You can use ceramic fiber module
Q:Whether yellow dextrin is used in refractory bricks?
use professional mortar, do not use yellow dextrin
Q:What raw materials are used for making refractory bricks
That is silicon aluminum refractory brick/, it can be divided into five types:thermal insulation refractory brick, alkaline series refractory brick, refractory brick containing zirconium, carbonaceous refractory brick/. Refractory bricks are divided according to the ingredient of refractory. Refractory bricks are generally made from refractory clay (kaolin) or other refractory materials.
Q:Classification of refractory bricks

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