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0% CrO Content Henan Hongtai Electrocast AZS for Glass Furnace Sodium Silicate Kiln

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0% CrO Content Henan Hongtai Electrocast AZS for Glass Furnace Sodium Silicate Kiln

Place of Origin : Henan, China

Shape : Block

Material : Alumina, Zirconia, Silica

SiO2 Content (%) : 13-16

Al2O3 Content (%) : 40-52

MgO Content (%) : little

CaO Content (%) : little

Refractoriness (Degree) : 1770°< Refractoriness< 2000°

Model Number : AZS33, AZS36, AZS41

Brand Name : Hongtai

Processing Service : Cutting, Moulding

ZrO2 : 32-44%

Product name : AZS block

Application : glass melting furnace, Sodium silicate furnace

Color : White

Size : Customized Size

BULK DENSITY : 3.7-3.95g/cm3

Certificate : ISO9001:2008

Raw material : Alumina powder and zircon sand

Feature : High Temperature Resistant, Chemical Resistant

Sample : Available

Price : $2,000.00 - $4,500.00/tons

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Henan Hongtai electrocast AZS for glass furnace sodium silicate kiln

0% CrO Content Henan Hongtai Electrocast AZS for Glass Furnace Sodium Silicate Kiln

Product Description

Description of electrocast AZS block AZS33 AZS36 AZS41

electrocast AZS block AZS33 AZS36 AZS41, the full name of which is Electrically Fused Alumina-Zirconia-Silicate Refractory Brick, are high-performance, high-temperature and corrosion-resistant refractory materials. They are widely used in glass melting furnaces, ceramic industries, and other fields that need to withstand extreme high temperatures and chemical corrosion environments.

electrocast AZS block AZS33 AZS36 AZS41 are mainly composed of alumina (Al2O3), zirconium oxide (ZrO2), and silicate (SiO2). According to the different zirconium oxide content, electrocast AZS block AZS33 AZS36 AZS41 are usually divided into several grades, such as AZS-33#, AZS-41#, and AZS-36#, and the numbers represent the mass percentage of zirconium oxide.

0% CrO Content Henan Hongtai Electrocast AZS for Glass Furnace Sodium Silicate Kiln

Specifications

Specification of electrocast AZS block AZS33 AZS36 AZS41

Items Grade 41#AZS 36#AZS 33#AZS
Chemical Composition Typical Value
ZrO2 (%) 40-44 35-40 32-36
SiO2 (%) 13 14 16
Al2O3 (%) Leavings Leavings Leavings
Na2O (%) 1.3 1.4 1.5
Fe2O3+TiO2 (%) 0.3 0.3 0.3
Phase Composition(%) Glass Phase 17 21 21
Corundum 43 43.5 47
ZrO2 40 35.5 32
Physical Performance Typical Value
C.C.S (Mpa) 350 350 350
Apparent Porosity (%) 1.0 1.0 1.5
0.2Mpa Softening Temp. Under Load( C) 1700 1700 1700
Exudation Temp. of Glass Phase( C) 1400 1400 1400
Corrosion Resistance of Glass Melt(mm/36h) 1.3 1.5 1.6
Bulk Density(g/cm 3 ) Regular casting/PT/QX 3.55 3.45 3.45
ZWS 3.85 3.7 3.6
Void-free/WS 3.95 3.8 3.75
Product Applications

Applications of electrocast AZS block AZS33 AZS36 AZS41

electrocast AZS block AZS33 products are suitable for the upper structure of the melting pool, the pool wall bricks and paving bricks of the working pool and the material channel.

electrocast AZS block AZS36 are suitable for parts in the glass melting furnace that are in direct contact with molten glass, such as melting pool wall bricks, paving bricks, and charging ports.

electrocast AZS block AZS41 are suitable for parts in glass furnaces that require particularly high corrosion resistance, such as all-electric melting furnaces, liquid flow holes, kiln sills, bubbling bricks, and bricks at the corners of charging ports.

0% CrO Content Henan Hongtai Electrocast AZS for Glass Furnace Sodium Silicate Kiln

Product Features

Features of electrocast AZS block AZS33 AZS36 AZS41

High temperature resistance: Due to the special composition, electrocast AZS block AZS33 AZS36 AZS41 can maintain structural stability in high temperature environments up to 1700°C or above.

Erosion resistance: It shows strong corrosion resistance in high-temperature molten glass or other corrosive media, especially resistance to alkaline substances.

Thermal stability: Good thermal expansion coefficient matching and thermal shock stability reduce cracks and peeling caused by rapid temperature changes.

Mechanical strength: Even under long-term high-temperature operation, it can maintain high mechanical strength to ensure the stable operation of the equipment.

0% CrO Content Henan Hongtai Electrocast AZS for Glass Furnace Sodium Silicate Kiln

Product Process

Producing pcessing of electrocast AZS block AZS33 AZS36 AZS41

1. Sand mold making:

The sand mold is made of silica sand and water glass as a binding agent according to the shape of electrocast AZS block AZS33 AZS36 AZS41.

0% CrO Content Henan Hongtai Electrocast AZS for Glass Furnace Sodium Silicate Kiln

2. Raw material processing and proportioning by computer:

Raw materials such as alumina powder, zircon sand and desiliconized zirconium and other raw materials shall be put into storage for use or sent to raw materials for pretreatment after acceptance.

3. Melting process:

Mainly in accordance with the requirements of the production plan, the matched fused zirconium corundum raw materials are added to the automatically controlled electric arc furnace and melted under the best conditions.

0% CrO Content Henan Hongtai Electrocast AZS for Glass Furnace Sodium Silicate Kiln

4. Casting process:

Pour the molten material into a specially designed product mold. T

5. Heat preservation and annealing process:

The cast bricks are slowly cooled, so that the crystals of the prepared fused zirconia corundum bricks grow and form the best structure.

0% CrO Content Henan Hongtai Electrocast AZS for Glass Furnace Sodium Silicate Kiln

6. Demoulding process:

The annealed fused cast zirconium corundum bricks are taken out of the cavity using equipment for product inspection.

0% CrO Content Henan Hongtai Electrocast AZS for Glass Furnace Sodium Silicate Kiln

7. Machining rocessing:

Check the appearance defects, carry out high-precision grinding according to the requirements of users to ensure the size and surface accuracy of the bricks.

0% CrO Content Henan Hongtai Electrocast AZS for Glass Furnace Sodium Silicate Kiln

8. Pre-assembling and packing:

After Machining processing, it is pre-assembled to ensure that the product size is packaged and shipped.

0% CrO Content Henan Hongtai Electrocast AZS for Glass Furnace Sodium Silicate Kiln

Casting method of fused cast AZS bricks

0% CrO Content Henan Hongtai Electrocast AZS for Glass Furnace Sodium Silicate Kiln

electrocast AZS block AZS33 AZS36 AZS41 are made by completely melting the raw materials and casting it in a casting mold, which is cooled and solidified. The shrinkage caused by the volume shrinkage of this product during condensation is a matter of special attention when using it. The casting methods of fused zirconium corundum bricks are ordinary casting (PT), inclined casting (QX), non-shrinkage casting (WS) and quasi-shrinkless casting (ZWS).

0% CrO Content Henan Hongtai Electrocast AZS for Glass Furnace Sodium Silicate Kiln

Supplying cases of electrocast AZS block AZS33 AZS36 AZS41:

0% CrO Content Henan Hongtai Electrocast AZS for Glass Furnace Sodium Silicate Kiln

Packaging & Shipping

Packing of electrocast AZS block AZS33 AZS36 AZS41

1.on wooden pallets with plastic cover: wooden pallet size :930*930 or 1000*1000mm,
2.Load weight of each pallet: 1.5-2.0 tons,

0% CrO Content Henan Hongtai Electrocast AZS for Glass Furnace Sodium Silicate Kiln

Shipping of electrocast AZS block AZS33 AZS36 AZS41

1.Our packaging is as per customer’s request
2.Normal goods delivered by sea transport
3.Sample shipping by express
4.We will shipping and delivery goods timely, quanlity and quantity guaranteed, and also in accordance with the contract and customer's requirment.

0% CrO Content Henan Hongtai Electrocast AZS for Glass Furnace Sodium Silicate Kiln

Why choose Us

0% CrO Content Henan Hongtai Electrocast AZS for Glass Furnace Sodium Silicate Kiln

1. Strong professional:
2.Big annual supply
3. Export experiences
4. Production equipment
5. Testing equipment

Certificates

0% CrO Content Henan Hongtai Electrocast AZS for Glass Furnace Sodium Silicate Kiln

Customer visit

0% CrO Content Henan Hongtai Electrocast AZS for Glass Furnace Sodium Silicate Kiln


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