Oven Use Refractory Brick SK34 Standard Size of Brick Types of Fire Bricks

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Tianjin
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TT OR LC
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3000 pc
Supply Capability:
50000 pc/month

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Product Description:

Oven Use Refractory Brick SK34 Standard Size of Brick Types of Fire Bricks


Product Description

                     Clay Brick for Coke Oven and Metallurgy Use


N-2a

N-1

Refractoriness (℃)

1730

1750

Refractoriness Under Load (0.2MPa ℃)

1350

1400

Reheating Linear Change (1500℃* 2h) 

+0.1/-0.5

+0.1/-0.4

Apparent Porosity (%)

≤24

≤22

Atmospheric Pressure Strength(MPa)

≥25

≥30

 

                               High Alumina Brick


Lz-75

Lz-65

Lz-55

Lz-48

Al2O(%)

75

65

55

48

Refractoriness (℃)

1790

1770

1770

1750

Refractoriness Under Load (0.2MPa ℃)

1520

1500

1470

1420

Reheating Linear Change (1500℃* 2h) 

+0.1/-0.4

+0.1/-0.4

+0.1/-0.4

+0.1/-0.4

(1450*2h)

Apparent Porosity (%)

23

23

22

22

Atmospheric Pressure Strength(MPa)

54

49

44

40


Oven Use Refractory Brick SK34 Standard Size of Brick Types of Fire Bricks

Oven Use Refractory Brick SK34 Standard Size of Brick Types of Fire Bricks


Our Services

1. We will reply to you immediately.

 2. Our products will be made according to your index.

 3. Other details could be discussed according to customers’ requirements.

 

 



Oven Use Refractory Brick SK34 Standard Size of Brick Types of Fire Bricks

Oven Use Refractory Brick SK34 Standard Size of Brick Types of Fire Bricks

Production & Quality

1.Production Process

Crushing→Mixing→Shaping→Drying→Firing→Inspection→Packing shipment


2.Quality Control

a.According to the chemical content,raw materials are classified into different levels to ensure quality of brick first.

b.During the production,every brick will be weighed twice strictly to reduce the error of weight .

c.Before delivery, the inspectors will inspect the size,appearance,physical and chemical properties of brick again in factory.




F&A

Q1.Are you a manufacture or trader?

A:To be honest we are a trader,but we have stable cooperation factories.And we can supply good pre-sale service, after-sales service.

Q2.Can we visit your company?

A:Sure,welcome at any time,seeing is believing.

Q3. Do you provide samples?

Yes, samples are available.

Q4. Do you accept OEM?

Yes, we can do OEM.

Q5.What's the MOQ of trial order?

A:No limit,We can offer the best suggestions and solutions according to your condition.

Q6.What are the payment terms?

Usually T/T,but L/C,Western Union etc are available for us.

Q7. How long is delivery time?

The delivery time will be determined according to the quantity of the order.

Q8.How are your products’ quality?

The products will be strictly inspected before shipment, so the quality could be guaranteed.

Q9.How to slove the quality problems?

A:If the products are not confirmed to customer samples or have quality problems,our compay will be responsible to make compensation for it.

Q10.What is the service life of your bricks?

A:The service life of different bricks is unlike.It also depends on your using condition and method.

Q11.How about your company's certification?

A:ISO9001 and Test Report,also we could apply other necessary certification.





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Q:What is the apparent porosity of high alumina brick?
Total porosity is porosity refers to the total volume of sample porosity in the percentage of total volume of samples. Apparent porosity refers to the percentage of the total volume of openings, pores, and total specimens in the sample.
Q:The cloth blowing is not uniform on the lime kiln refractory brick is damaged it
People with the shaft kiln cement clinker kiln, because of small size, low calcination temperature, using only Al2O3 containing a single clay brick is 30 ~ 40%, the rotary kiln was improved in the early Yuan faith this experience, use of high alumina brick and clay brick, from 60s onwards, due to large scale kiln and to strengthen the operation of the high temperature parts of kiln lining, alkaline brick masonry is widely used, the main varieties are: magnesia chrome brick, magnesia spinel brick and dolomite brick.
Q:How can the refractory brick blast furnace be pulverized and pulverized enough not to be taken away by the wind?
The gas will directly lead the dome combustion, in order to ensure good mixing, complete combustion of gas and air in a short time, the combustion capacity of short flame or flameless combustion burner, commonly used for semi jet short flame burner.
Q:What kinds of minerals are there in the five major categories of ore crystal chemistry?
Natural element minerals. Of minerals produced by an element (elementary substance). There are about 90 natural elements in the earth's crust, accounting for 0.1% of the total weight of the earth's crust. Can be divided into metal elements, mainly platinum and copper, silver, gold, etc., non-metallic elements, carbon, sulfur, etc., half metallic elements, arsenic, bismuth and so on.
Q:What is the difference between corundum and high alumina??
The main component of high purity 99 corundum brick is corundum sand,90 corundum brick is mainly composed of corundum sand and a small amount of Suzhou soil, mullite.
Q:What is the density of a super high alumina brick and what is the price?
Super high alumina brick, alumina content of 80% bricks, bulk density of 2.7g/cm3 or more, the factory price of about 1900 yuan
Q:What are the specifications for bricks?
In a proper ratio of lime sand brick and quartz sand, sand or fine sand, the ground, Kazumi Wa, semi dry pressing and autoclaved curing and. The fly ash brick is made of fly ash as main raw material and mixed with cement material such as coal gangue, stone powder or clay. It is made up of batching, molding, drying and roasting. It can make full use of industrial waste residue and save fuel.
Q:How are the high alumina bricks fired?
Light and high alumina bricks are usually fired in a weak oxidizing atmosphere. In light and high alumina bricks firing, they are often rich in impurities such as R2O, RO, Fe2O3 and so on. They react with Al2O3 and SiO2 at high temperature to produce liquid phase. In the Al2O3 - SiO2 - R2O system, the growth rate of liquid phase increases with the increase of temperature at high temperature. So, because the increase of sintering temperature brings a lot of liquid phase, the decrease of liquid viscosity will lead to the deformation of brick and the decline of brick high temperature function. Therefore, the lower sintering temperature and longer holding time should be adopted in the sintering process dominated by liquid phase sintering. The production practice shows that the same firing temperature can be used for the high grade aluminum bricks. When fired in an inverted flame kiln, it is usually 1430 degrees centigrade and insulated by 40H. The high alumina bricks such as Ill are 1390~1420 degrees centigrade. When the tunnel kiln is fired, they are 1550 and 1450~1500 degrees centigrade respectively. High alumina brick is usually made of weak oxidizing atmosphere.
Q:What is the difference between high alumina brick and clay brick?
Lightweight high alumina bricks are usually made of high alumina bauxite clinker with a small amount of clay. After grinding, the bricks are poured and shaped in the form of slurry by gas or foam method. They are fired at 1300~1500 DEG C. Sometimes industrial alumina can be used instead of some bauxite clinker. Used for lining and insulation of masonry kilns, as well as for areas where there is no strong, high temperature molten material erosion and erosion. When contacting the flame directly, the surface contact temperature shall not be higher than 1350 degrees centigrade.
Q:What's the weight of the refractory bricks?
According to shape and size can be divided into standard brick, ordinary brick, special brick, etc.. It can be used as high temperature building materials and structural materials for construction kilns and various thermal equipments, and can undergo various physical, chemical and mechanical changes at high temperature. For example, refractory clay brick, high alumina brick, brick, brick etc..

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