Refractory 230*114*65mm Fireclay Brick

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100 kg
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2000000 kg/month

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Product Description:

High alumina fireclay Brick  


High alumina fireclay Brick for Heating Furnace is a kind of insulation material adopting organic matter as ignition loss substance in order to increase the porosity of refractory, which has such advantages as high porosity, small volume density, good insulation effect, high mechanical intensity, small thermal conductivity and long service life. For various industrial kilns & furnaces, it is a kind of essential refractory for energy saving and temperature preservation.

This series of High Alumina fireclay Brick for Heating Furnace are made of selected high alumina bauxite, kaolin caly, hollow microsphere as the mian material.By shaping at high pressure and sintering at high temperature. 

Fireclay brick is  shaped refractory product.It is made from flint clay clinker and binder , Through high heat sintering. The Al2O3 content range from 28% to 48%.The refractoriness range from 1580°C to 1750°C(SK-30.SK-32.SK-34.SK-35).

 

Product Applications:

High alumina fireclay Brick are ideal for use in the below applications 

Furnaces of metallurgy industry, heat treatment furnace

Furnaces of chemical industry and construction industry.

Furnace of incineration of garbage, recirculating fluidized bed furnace

Standard sizing: 230 x 114 x 65 mm others up to the client

 

Product Advantages:

CNBM has success in its Fireclay brick due to their cost-effectiveness and excellent insulating properties. CNBM also has experience in ceramic fiber blankets application and would like to assist you in product selection, system design, and installation techniques.

 

Main Product Features:

High refractoriness,High-temperature endurable .

Good corrosion resistance.

Good spalling resistance and wear resistance.

Good thermal shock resistance.

High mechanical strength.

High-temperature creep rate is low.

Good volume stability at high temperature.  

Product Specifications:

ITEM

UNF42

UNF46

ZGN42

RN40

TDL45-12

Refractoriness, ℃ 

1730

1750

1750

1730

1760

Bulk Density, g/cm3

2.15

2.25

2.3

2.15

2.37

Apparent Porosity, %

22

20

15

24

12

C.C.S, Mpa

30

35

58

28

68

Refractories Under Load (0.2Mpa)

1400

1420

1450

1430

1500

Reheating Linear Change, %

1400℃x2h              0.1-0.4

1430℃x2h              0-0.1

1450℃x2h              0-0.2

1350℃x2h       0-0.3

1450℃x2h              -0.1+0.05

Al2O3 Content , %

42

46

42

40

45

 

Size :

Common sizes

 

Straight type

Arch type

Wedge type

L×W×H (mm)

230×114×65

230×114×75

230×114×32

220×110×60

220×110×50

220×110×40

220×110×30

L×W×H/h (mm)

230×114×65/55

230×114×65/45

230×114×65/59

220×110×65/50

220×110×75/65

220×110×60/40

L×W×H/h (mm)

230×114×65/55

230×114×65/45

220×110×75/65

220×110×60/40

Other sizes according to customer requirements

 

 

FAQ:

Q1: How about your factory’s annual production capacity?

A1:CMAX annual production is about 310,000Tons.

Q2: How many production lines of your factory?

A2:CMAX has 26 production lines, including eight silicon bricks lines, and each one of mullite brick, high alumina brick, insulating brick and monolithics line.

Q3:How large the scale of your factory?

A3: CMAX covers almost 200,000 Square meters, including plant area of 180,000 square meters.

Q4: What’s your factory’s product scope?

A4:CMAX main products are: refractory for hot blast stove, refractory for coke oven, refractory for glass kiln, refractory for carbon calcining furnace, refractory for acid pickling line, refractory for cement kiln, refractory for blast furnace, refractory for nonferrous metal furnace, and basic refractory raw materials.

 

Product Picture 

 Refractory 230*114*65mm Fireclay Brick

Produce Processing 

Crushing

In this stage massive raw materials which have been stored, are ground and classified into proper sizes, making them easier to shape.

Mixing

The prescribed size of ground raw material is weighed and mixed into a designated amount of water and forming agent.

Shaping

The mixture is then poured into a mold to form shapes, and the pressure is high.

Drying 

In this stage water is removed from the shaped bricks. This helps preventing the bricks from deforming or cracking which may result due to the rapid evaporation

Firing 

This is the most crucial process in refractory manufacturing. The modeled bricks are fired at high temperature to complete their thermochemical reaction so that they do not deform.

Inspection 

The bricks' physical and chemical properties are inspected very carefully by rigid quality management procedures.

Packing shipment

We guarantee efficient delivery every time.

Packing

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 Refractory 230*114*65mm Fireclay Brick

 

 


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Q:What are the differences between thermal insulation bricks and refractory bricks?
Thermal insulation brick has low fire resistance, generally is porous and light.
Q:Is the thickness of the kiln lining and the refractory brick the same concept?
This is certainly not the same. The thickness of the refractory brick can be arbitrary, the thickness of the kiln lining is generally designed according to requirement
Q:What kind of refractory brick is used for industrial furnace?
What kiln? Glass kiln, ceramic kiln, or blast furnace?
Q:Are there any good improvement measures for the always collapse of the previous vaulted tunnel kiln built by refractory bricks?
Volume shrinkage, uneven shrinkage and expansion of part, long-term high-temperature processing crystal type changes, calcium and other substances forming the refractory brick is Magnesium Oxide. Also the temperature changes quickly, and belongs to the crystal compound, silicon aluminum, sealing material's selection should be pay attention to
Q:what is application of high alumina refractory brick?
reverberatory furnace 1, close to the neutral refractory, but because mullite crystallization has not formed the network organization, so the load softening temperature is not higher than silica brick. the refractoriness of high alumina brick is higher than fireclay brick and semi-silica brick, mainly used in blast furnace, nozzle brick,etc. it is up to 1790 C~ 1750, can resistance to acid slag and alkaline slag erosion. hot blast furnace, blast furnace, high alumina brick are widely used for producing open-hearth furnace regenerative bricks, because it contains SiO2, low impurity content, which belongs to high-grade refractory materials, electric furnace. 2, plug head used in pouring system . In addition. 3, because high aluminum products contains more Al2O3, forming less fusible vitreous body, so the high load softening temperature is higher than clay brick. because rotary kiln lining, slag resistance of high alumina refractory brick contain more Al2O3, so the ability of anti alkaline slag is weaker than anti acid slag. so it has a wide range of application. high alumina refractory brick due to the following performances
Q:What materials make of clay insulating fireclay brick?
The aluminium silicate refractories whose aluminium oxide content is 30% ~ 46% is called clay-based refractories. Clay products mainly consist of mullite, glass phase, cristobalite and quartz.
Q:should clay or refractory cement be used to lay refractory bricks?
structure strength of this brick lining is not good, apply some refractory mud, only use some virgin clay and corundum, many of the traditional approaches are very simple, mullite and carbon slurry, the specific products are selected according to the selected material and water glass or organic binder. binding agent can choose phosphate, silica and high alumina, clay is one part of the refractory clay, there are many kinds of refractory slurry according to the material, clay-based mud does use refractory cement and corrosion resistance is low
Q:how to distinguish the quality of high alumina refractory brick when you buy it ?
see the gap between the bricks and between kiln roof and kiln wall, etc.. 6, the pressure and the volume density of Pei brick and brick Pei size, appropreate matching of high alumina powder and high aluminous aggregate and other materials, the drying and time, and the mud trapped material humidity 1. 7, to reach the requirements of production. 4, the order of loading Pei brick into kiln . should prevent the lack of a scene , the requirement , mixing time, different procedure and the order of the adding of raw materials of high alumina brick. 3, drawing plan and lack of edge of high alumina brick . 5
Q:does all the refractory refer to refractory bricks when making steel?
refractory materials not only refers to the refractory brick, but also includes like castable refractory and a number of bulk cargo and ramming mass The desulfurization agent belongs to metallurgical auxiliary material
Q:What are the physical and chemical properties of refractory bricks
The thermal shock stability, linear change on reheating, softening temperature under a fixed load, compressive strength under normal strength refractoriness

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