fire brick归档 - Ruitailianxin https://www.lianxinrefra.com/product-tag/fire-brick/ Refractory fire bricks manufacturer Thu, 30 Jul 2026 07:46:54 +0000 en-US hourly 1 https://wordpress.org/?v=6.8.8 https://www.lianxinrefra.com/wp-content/uploads/2025/05/cropped-4443161fbf9c19781f72639f228a8d1-32x32.png fire brick归档 - Ruitailianxin https://www.lianxinrefra.com/product-tag/fire-brick/ 32 32 Sintered Zirconia Corundum Brick https://www.lianxinrefra.com/product/sintered-zirconia-corundum-brick/ Wed, 14 Apr 2021 11:25:10 +0000 https://startersites.io/blocksy/homi/?post_type=product&p=593 Sintered zirconium corundum brick (AZS brick for short) refers to a refractory brick with a ZrO₂ content of 33%-45% made from industrial alumina powder and selected zircon sand. The main raw materials are industrial alumina calcined into α-Al₂O₃, partially stabilized zirconium dioxide, and zirconium corundum clinker fine powder. The raw materials are mixed, high-pressure molded, dried, and then fired at 1700-1750℃ according to a certain ratio.

Sintered Zirconia Corundum Brick最先出现在Ruitailianxin。

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Product Description

Description of Sintered Zirconium Corundum Fire Brick

Sintered zirconia-corundum refractory bricks are high-performance refractory materials made primarily from alumina (Al₂O₃) and zirconium oxide (ZrO₂) through a high-temperature sintering process. Although they share similar compositions with the fused cast zirconia-corundum bricks (electrominated bricks), they differ fundamentally in their production processes, microstructure, and applications.

Production Process: Finely ground raw materials are mixed, high-pressure molded, and fired at high temperature (approximately 1700-1750℃).

Microstructure: Relatively uniform structure, containing a small number of pores and internal microcracks.

Core Advantages: Excellent thermal shock resistance (resistance to rapid heating and cooling); not easily cracked due to drastic temperature changes.

Main Applications: Upper space of glass furnaces (not in direct contact with molten glass), regenerator partition walls, slide rails of metallurgical heating furnaces, etc.

Production Process: Raw materials are completely melted in an electric arc furnace, then poured into molds and cooled to form the final shape.

Microstructure: The structure is extremely dense, but shrinkage cavities are unavoidable (caused by volume shrinkage during casting).

Core Advantages: Dense structure, extremely strong resistance to molten glass erosion.

Main Applications: Critical parts of glass furnaces that directly contact high-temperature molten glass, such as the pool walls, flow channels, and furnace sills.

Characteristics of Sintered Zirconium Corundum Brick

Sintered zirconium corundum fire bricks have these characteristics: 

  • Strong erosion resistance
  • High density and low porosity
  • Excellent thermal shock resistance
  • High structural strength at high temperatures
Ruitai Lianxin sintered zirconia corundum brick
Ruitai Lianxin- sintered zirconia corundum brick
Ruitai Lianxin sintered zirconia corundum bricks
Ruitai Lianxin- sintered zirconia corundum bricks
sintered zirconia corundum bricks
sintered zircon corundum brick
sintered zirconia corundum brick
sintered zircon corundum bricks

Application of Sintered Zirconium Corundum Brick

Glass industry

Sintered zirconium corundum fire brick is the preferred material for core parts such as the pool wall, flow hole, charging port, and bubbling area of glass melting furnace.

Sintered zirconium corundum brick is used for slag line in ladle refining area, RH/OBS vacuum refining furnace immersion tube, heating furnace slide rail and other parts.

Sintered zirconium corundum refractory brick can be used as the core lining of ethylene cracking furnace, coal gasification furnace, carbon black reaction furnace and other high-temperature and complex chemical corrosion environments.

Sintered zirconium corundum brick is used in the key high-temperature zone of ultra-high temperature tunnel kiln and shuttle kiln for firing advanced ceramics and refractory materials.

Physical and Chemical Index

AZS-30 AZS-33
ZrO2(%) ≥30 ≥33
Al2O3(%) ≥48 ≥47
Fe2O3(%) ≤0.3 ≤0.3
SiO2(%) ≤20 ≤19
Apparent porosity % ≤18 ≤17
Bulk density g/cm3 ≥3.00 ≥3.20
Cold crushing strength   MPa ≥100 ≥100
Refractoriness under load 0.6% (0.2Mpa) ≥1690 ≥1700

Company Profile

About Ruitai Lianxin

RuiTai LianXin factory

Henan Ruitai Lianxin Refractory Materials Co., ltd is a modern R&D-centered refractories manufacturing enterprise integrated with refractories sales and marketing, furnace engineering construction, recycling and sales of waste refractories as well as refractory raw material, technology and goods import and export, and technical services.

Well-equipped and technologically advanced, ISO/QHSE-certified management underpins a product line of ordinary, medium and high-grade magnesia series brick, magnesia-chrome brick, magnesia-alumina spinel brick, magnesia-alumina- chrome basic brick, lightweight insulation brick, clay fire brick, high alumina brick, corundum brick, zircon series brick, silicon carbide brick and insulation materials, monolithic castable, ramming mix, plastic, etc.

We manufacture more than 70 categories of refractory bricks with more than a thousand specifications and models, which are widely used in high-temperature kiln/furnace, non-ferrous metallurgical smelter, cement lime rotary kiln, glass-melting furnace, electric power, petrochemical hazard waste incinerator etc.

Factory Show

As a 20 refractory bricks manufacturer, we have our own factory, professional machinery and equipments, strong technical team, complete delivery process, perfect after-sales service.

lianxin factory
lianxin-equipment
lianxin-factory
magnesia brick
lianxin-shipping
kiln construction

Test Equipment

We have innovative technology and advanced experimental equipment to ensure that every refractory brick has the best quality and we are responsible for every customer.

Ruitai Lianxin experimental equipment
Ruitai Lianxin experimental equipments
Ruitai Lianxin testing equipment
Ruitai Lianxin testing equipments

Production Process

We have a complete production process, from raw materials to molding, and then to finished refractory products. Each step is operated and inspected by dedicated personnel to ensure the high quality of the fire bricks.

Raw Materials

Raw Materials

Raw Materials Mixing and Tempering

Mixing and Tempering

Refractory Bricks Forming

Forming

Refractory Bricks Drying

Drying

Refractory Bricks Sintering

Sintering

Refractory Bricks Selecting

Selecting

Refractory Bricks Packing

Packing

Refractory Bricks Delivery

Shipping

Quality Control

After the refractory bricks are manufactured, we need to undergo professional testing and inspection to ensure that each high-quality refractory brick is delivered to the customer, so that the customer can rest assured.

LX Quality Control
Lianxin Quality Control
zzlx Quality Control
Quality Control

Packaging & Shipping

Our refractory fire bricks are delivered to customers in the shortest possible time by land, sea or air.

lianxin-packaging
lianxin-packaging
lianxin-packaging
lianxin shipping
lianxin-shipping
lianxinrefra-shipping

Company Advantages

Customer Cases

As a world-renowned refractory materials exporter, we have expanded our business scope to the world, providing high quality firebricks to customers worldwide. We have gained loyal customers all over the world, reached cooperation again and again, and become the first choice of global customers.

Indian customer

Indian customer

Kazakhstan customers

Kazakhstan customer

Russian customer

Russian customer

Indian customer

Indian customer

Ruitai Vietnamese customers

Vietnamese customer

Ruitai Lianxin Uzbekistan customers

Uzbekistan customer

Company Certification

We are a reliable manufacturer and supplier of refractory bricks, with a number of certificates and patents to protect your kiln, and our professional team of experienced engineers and technicians are committed to providing you with excellent service.

lianxin company certificates

Cooperation Partners

As a refractory bricks source manufacturer for 20 years, we use the best materials and the most cutting-edge technology to carefully make fire bricks, our firebricks have all kinds of types to meet various application needs, has won many reliable cooperation partners.

BEIJING LIRR
CHINA GOLD
CNMC
ENFI
Jind Gold And Lead
LB GROUP
LTGF
GROUP
MINMETALS
MS
New Chun Xing
XIN JIN YE
yghs
YHCC
YONGNING GOLD$LEAD
Ysm
ZJYW

Questions & Answers

Q1: Could I get a sample before placing an order?

A1: Yes. A sample as per your requirement can be prepared for approval.

A2:We can give you reply with quotation quickly if you kindly send the inquiry with following factors: dimension (length*width*thickness), service temperature, application and quantity.

We’d be appreciated if you can also provide the density and content.

A3: Yes, but only for regular size.

A4: Our experts can recommend you the suitable way based on the quantity and your budget. Normally ,it is by sea.

A5: Yes, you will get our lowest price without quality compromise along with our professional service.As we are working with mainly players in Europe, Asia, America and Afraic.

A6:  1.Chemical inspection is performed during Raw material, production and finished products.
       2.Physical test is performed for finished products.

A7: We are truly a fire bricks manufacturer, Ruitai Lianxin not only can provide the high quality fire bricks with the best price, but also can offer the best pre-sale service and after-service.

A8: Yes! We have a professional R&D team, and advanced QC inspection equipments to ensure the accurate size and shape for you.

Contact Us

Sintered Zirconia Corundum Brick最先出现在Ruitailianxin。

]]> Calcium-free Silica Brick https://www.lianxinrefra.com/product/calcium-free-silica-brick/ Wed, 14 Apr 2021 11:22:34 +0000 https://startersites.io/blocksy/homi/?post_type=product&p=589 Calcium-free silica brick is a refractory material with special properties and uses.

Calcium-free silica fire brick is a siliceous refractory material made of silica as the main raw material, and the content of impurities such as calcium oxide is strictly controlled during the production process.

Its main component is silicon dioxide (SiO₂), the content of which is usually above 95%, and calcium-free silica refractory brick also contains a small amount of impurities such as aluminum oxide (Al₂O₃) and iron oxide (Fe₂O₃).

Calcium-free Silica Brick最先出现在Ruitailianxin。

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Product Description

Descriptoin of Calcium-free Silica Fire Brick

Ruitai Lianxin calcium-free silica bricks are a new type of silica refractory material made from high-purity quartz using a calcium-free bonding process. Its core characteristics are a high silica content (SiO₂ ≥ 99%) and an extremely low calcium oxide content (CaO ≤ 0.05%), which makes its high-temperature performance significantly superior to ordinary silica bricks.

Characteristics of Calcium-free Silica Refractory Brick

Calcium-free silica fire brick have these characteristics: 

  • Low porosity
  • Good thermal shock resistance
  • High load softening temperature
  • Good high temperature performance
Ruitai Lianxin calcium-free silica fire brick
Ruitai Lianxin calcium-free silica refractory firebricks
Ruitai Lianxin calcium-free silica brick
Ruitai Lianxin calcium-free silica bricks
Ruitai Lianxin calcium-free silica fire brick
Ruitai Lianxin calcium-free silica refractory firebrick
Ruitai Lianxin calcium-free silica fire bricks
Ruitai Lianxin calcium-free silica firebricks
Ruitai Lianxin calcium-free silica refractory brick
Ruitai Lianxin calcium-free silica refractory bricks
Ruitai Lianxin calcium-free silica firebrick

Application of Calcium-free Silica Brick

  • Glass industry:Calcium-free silica brick is commonly used in the heat storage chamber, small furnace, pool wall and other parts of glass kiln;
  • Metallurgical industry: in some special metallurgical furnaces, such as reverberatory furnaces and electric furnaces used for non-ferrous metal smelting, calcium-free silica refractory bricks can be used as lining materials for furnace tops, furnace walls and other parts;
  • Other industrial kilns: in industrial kilns such as ceramics and refractory materials, calcium-free silica fire bricks are selected as refractory materials for some key parts.

Physical and Chemical Index

SiO2(%) ≥98.5
Al2O3(%) ≤0.3
Fe2O3(%) ≤0.1
CaO(%) ≤0.1
Apparent Porosity(%) ≤15
Bulk Density(g/cm3) ≥1.85
Cold Crushing Strength (Mpa) ≥40
Softening temperature under load ≥1690
Thermal shock stability (1100℃Water Cooling)(times) >30
Thermal expansion rate ≤0.2

Calcium-free Silica Bricks vs Silica Bricks

Compared with traditional silica bricks (SiO₂ approximately 95%-97%, CaO approximately 2.5%), calcium-free silica bricks have the following outstanding advantages:

characteristics calcium-free silica bricks traditional silica bricks advantages
chemical composition SiO₂ ≥ 99%, CaO ≤ 0.05% SiO₂ approx. 95-97%, CaO approx. 2.5% Extremely high SiO₂ purity, completely eliminating the CaO binding phase.
Alkali Erosion Resistance Significantly Improved Average Due to the lack of CaO reacting with alkali vapors, erosion resistance is greatly enhanced, which is its core advantage.
Load Softening Temperature ≥ 1690℃ Lower Can work stably at higher temperatures for extended periods without softening or deformation.
Thermal Expansion Rate ≤ 0.65% at 1000℃, lower than ordinary silica bricks Higher Good high-temperature volume stability; does not expand, crack, or shrink after long-term use.
Thermal Shock Resistance Excellent (1100℃ water cooling > 30 times) Average Better resists thermal shock damage caused by rapid temperature changes.

Company Profile

About Ruitai Lianxin

RuiTai LianXin factory

Henan Ruitai Lianxin Refractory Materials Co., ltd is a modern R&D-centered refractories manufacturing enterprise integrated with refractories sales and marketing, furnace engineering construction, recycling and sales of waste refractories as well as refractory raw material, technology and goods import and export, and technical services.

Well-equipped and technologically advanced, ISO/QHSE-certified management underpins a product line of ordinary, medium and high-grade magnesia series brick, magnesia-chrome brick, magnesia-alumina spinel brick, magnesia-alumina- chrome basic brick, lightweight brick, clay brick, high alumina brick, corundum brick, zircon series bricks, silicon carbide brick and insulation materials, monolithic castable, ramming mix, plastic, etc.

We manufacture more than 70 categories of refractory bricks with more than a thousand specifications and models, which are widely used in high-temperature kiln/furnace, non-ferrous metallurgical smelter, cement lime rotary kiln, glass-melting furnace, electric power, petrochemical hazard waste incinerator etc.

Factory Show

As a 20 refractory bricks manufacturer, we have our own factory, professional machinery and equipments, strong technical team, complete delivery process, perfect after-sales service.

lianxin factory
lianxin-equipment
lianxin-factory
magnesia brick
lianxin-shipping
kiln construction

Test Equipment

We have innovative technology and advanced experimental equipment to ensure that every fire brick has the best quality and we are responsible for every customer.

Ruitai Lianxin experimental equipment
Ruitai Lianxin experimental equipments
Ruitai Lianxin testing equipment
Ruitai Lianxin testing equipments

Production Process

We have a complete production process, from raw materials to molding, and then to finished products. Each step is operated and inspected by dedicated personnel to ensure the high quality of fire bricks.

Raw Materials

Raw Materials

Raw Materials Mixing and Tempering

Mixing and Tempering

Refractory Bricks Forming

Forming

Refractory Bricks Drying

Drying

Refractory Bricks Sintering

Sintering

Refractory Bricks Selecting

Selecting

Refractory Bricks Packing

Packing

Refractory Bricks Delivery

Shipping

Quality Control

After the refractory fire bricks are manufactured, we need to undergo professional testing and inspection to ensure that each high-quality refractory brick is delivered to the customer, so that the customer can rest assured.

LX Quality Control
Lianxin Quality Control
Quality Control
zzlx Quality Control

Packaging & Shipping

Our refractory bricks are delivered to customers in the shortest possible time by land, sea or air.

lianxin-packaging
lianxin-packaging
lianxin-packaging
lianxin shipping
lianxin-shipping
lianxinrefra-shipping

Company Advantages

Customer Cases

As a world-renowned refractory fire bricks exporter, we have expanded our business scope to the world, providing high quality fire bricks to customers worldwide. We have gained loyal customers all over the world, reached cooperation again and again, and become the first choice of global customers.

Ruitai Lianxin- Indian customer

Indian customer

RT Kazakhstan Customers

Kazakhstan customer

Russian customer

Russian customer

Ruitai Lianxin Uzbekistan customers

Uzbekistan Customer

Ruitai Vietnamese customers

Vietnamese customer

Ruitai Lianxin Syrian customers

Syrian customer

Company Certification

We are a reliable manufacturer and supplier of refractory bricks, with a number of certificates and patents to protect your kiln, and our professional team of experienced engineers and technicians are committed to providing you with excellent service.

lianxin company certificates

Cooperation Partners

As a refractory bricks source manufacturer for 20 years, we use the best materials and the most cutting-edge technology to carefully make fire bricks, our firebricks have all kinds of types  to meet various application needs, has won many reliable cooperation partners.

BEIJING LIRR
CHINA GOLD
CNMC
ENFI
Jind Gold And Lead
LB GROUP
LTGF
GROUP
MINMETALS
MS
New Chun Xing
XIN JIN YE
yghs
YHCC
YONGNING GOLD$LEAD
Ysm
ZJYW

Questions & Answers

Q1: Could I get a sample before placing an order?

A1: Yes. A sample as per your requirement can be prepared for approval.

A2:We can give you reply with quotation quickly if you kindly send the inquiry with following factors: dimension (length*width*thickness), service temperature, application and quantity.

We’d be appreciated if you can also provide the density and content.

A3: Yes, but only for regular size.

A4: Our experts can recommend you the suitable way based on the quantity and your budget. Normally ,it is by sea.

A5: Yes, you will get our lowest price without quality compromise along with our professional service.As we are working with mainly players in Europe, Asia, America and Afraic.

A6:  1.Chemical inspection is performed during Raw material, production and finished refractory materials.
       2.Physical test is performed for finished refractory bricks.

A7: We are truly a fire bricks manufacturer, Ruitai Lianxin not only can provide the high quality refractory materials with the best price, but also can offer the best pre-sale service and after-service.

A8: Yes! We have a professional R&D team, and advanced QC inspection equipments to ensure the accurate size and shape for you.

Contact Us

Calcium-free Silica Brick最先出现在Ruitailianxin。

]]> Chrome Corundum Brick https://www.lianxinrefra.com/product/chrome-corundum-brick/ Mon, 12 Apr 2021 16:45:34 +0000 https://startersites.io/blocksy/homi/?post_type=product&p=287 Chrome corundum brick mainly refers to the corundum refractory product containing Cr2O3. Using α-Al2O3 as main raw material, adding appropriate amount of chromium oxide powder and chromium corundum clinker fine powder, after forming process, the bricks will be sintered at high temperature. At high temperatures, Cr2O3 and Al2O3 form a continuous solid solution, so the high temperature performance of chrome corundum products is better than pure corundum products.

In the most widely used chromium corundum products, the content of Cr2O3 is mostly in the range of 9%~15%. The main mineral composition is α-Al2O3-Cr2O3 solid solution. The secondary mineral composition is a small amount of composite spinel (or no composite spinel).

The chromium oxide content in the chrome refractory brick is from 1% to 30%. There are two types: fused cast chrome corundum fire bricks and sintered chrome corundum refractory bricks.

Chrome Corundum Brick最先出现在Ruitailianxin。

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Product Description

Descriptoin of Chrome Corundum Refractory Brick

Chrome corundum fire bricks are high-performance refractory products primarily composed of an α-Al₂O₃-Cr₂O₃ solid solution.

By adding chromium oxide (Cr₂O₃) to corundum (Al₂O₃) and utilizing the characteristic that the two form a continuous solid solution at high temperatures, chrome corundum bricks exhibit superior high-temperature performance, slag resistance, and thermal shock resistance compared to ordinary pure corundum bricks.

chrome corundum brick
chrome corundum bricks
Ruitai Lianxin- chrome corundum brick
Ruitai Lianxin- chrome corundum bricks
Ruitai Lianxin chrome corundum fire brick
Ruitai Lianxin chrome corundum fire bricks

Characteristics of Chrome Corundum Brick

Excellent High-Temperature Performance

High load softening temperature (typically greater than 1700℃), exhibiting excellent volume stability and resistance to softening and deformation at high temperatures.

Demonstrates strong resistance to metallurgical slag, acidic and alkaline media, molten glass, and corrosive gases. Resistance to slag corrosion further improves with increasing Cr₂O₃ content.

Withstands rapid temperature changes without easily cracking or peeling.

High compressive strength at room temperature (typically >150MPa), effectively resisting the erosion and wear of high-temperature materials.

Application of Chrome Corundum Fire Brick

Used as the lower lining and backing material for residual oil gasifiers and pressurized coal-water slurry gasifiers, requiring extremely high purity; it must be a high-purity product with low silicon, low iron, and low alkali.

Used in the chutes and tapping platforms of steel rolling furnaces, permeable bricks for ladles, and molten iron pretreatment devices.

Used as the lining of glass kilns and as cover bricks for glass drawing flow channels.

Used in the linings of copper smelting furnaces, zinc smelting electric furnaces, and volatilization kilns.

Used in waste incinerators and other applications requiring high corrosion resistance and erosion resistance.

Physical and Chemical Index

15 Chrome Coundum Brick 10 Chrome Coundum Brick 5 Chrome Coundum Brick Wear Resistance Skid Rail Zr-Cr-corundum Brick
Cr2O3  % ≥15 ≥10 ≥5 ≥5 ≥8
Al2O3  % ≥75 ≥80 ≥85 ≥85 ≥60
ZrO2  % --- --- --- --- ≥15
Apparent porosity % ≤18 ≤18 ≤18 ≤16 ≤18
Bulk density (g/cm3) ≥3.35 ≥3.3 ≥3.2 ≥3.2 ≥2.9
Cold crushing strength (Mpa) ≥120 ≥120 ≥120 ≥130 ≥90
Refractoriness under load (0.2Mpa,0.6%) ≥1700 ≥1700 ≥1700 ≥1700 ≥1700

Company Profile

Ruitai Lianxin

RuiTai LianXin factory

Henan Ruitai Lianxin Refractory Materials Co., ltd is a modern R&D-centered refractories manufacturing enterprise integrated with refractories sales and marketing, furnace engineering construction, recycling and sales of waste refractories as well as refractory raw material, technology and goods import and export, and technical services.

Well-equipped and technologically advanced, ISO/QHSE-certified management underpins a product line of ordinary, medium and high-grade magnesia series brick, magnesia-chrome brick, magnesia-alumina spinel brick, magnesia-alumina- chrome basic brick, lightweight brick, clay brick, high alumina brick, corundum brick, zircon series brick, silicon carbide brick and insulation materials, monolithic castable, ramming mix, plastic, etc.

We manufacture more than 70 categories of refractory bricks with more than a thousand specifications and models, which are widely used in high-temperature kiln/furnace, non-ferrous metallurgical smelter, cement lime rotary kiln, glass-melting furnace, electric power, petrochemical hazard waste incinerator etc.

Factory Show

As a 20 refractory bricks manufacturer, we have our own factory, professional machinery and equipments, strong technical team, complete delivery process, perfect after-sales service.

lianxin factory
lianxin-equipment
lianxin-factory
magnesia brick
lianxin-shipping
kiln construction

Test Equipment

We have innovative technology and advanced experimental equipment to ensure that every fire brick has the best quality and we are responsible for every customer.

Ruitai Lianxin experimental equipment
Ruitai Lianxin experimental equipments
Ruitai Lianxin testing equipment
Ruitai Lianxin testing equipments

Production Process

We have a complete production process, from raw materials to molding, and then to finished refractory materials. Each step is operated and inspected by dedicated personnel to ensure the high quality of the products.

Raw Materials

Raw Materials

Raw Materials Mixing and Tempering

Mixing and Tempering

Refractory Bricks Forming

Forming

Refractory Bricks Drying

Drying

Refractory Bricks Sintering

Sintering

Refractory Bricks Selecting

Selecting

Refractory Bricks Packing

Packing

Refractory Bricks Delivery

Shipping

Quality Control

After the refractory bricks are manufactured, we need to undergo professional testing and inspection to ensure that each high-quality refractory brick is delivered to the customer, so that the customer can rest assured.

LX Quality Control
Lianxin Quality Control
Quality Control
zzlx Quality Control

Packaging & Shipping

Our refractory bricks are delivered to customers in the shortest possible time by land, sea or air.

lianxin-packaging
lianxin-packaging
lianxin-packaging
lianxin shipping
lianxin-shipping
lianxinrefra-shipping

Company Advantages

Customer Cases

As a world-renowned refractory fire bricks exporter, we have expanded our business scope to the world, providing high quality firebricks to customers worldwide. We have gained loyal customers all over the world, reached cooperation again and again, and become the first choice of global customers.

Ruitai Lianxin- Indian customer

Indian customer

RT Kazakhstan Customers

Kazakhstan customer

Russian customer

Russian customer

Egyptian customer

Egyptian customer

Kazakhstan customers

Kazakhstan customer

Ruitai Vietnamese customer

Vietnamese customer

Company Certification

We are a reliable manufacturer and supplier of refractory bricks, with a number of certificates and patents to protect your kiln, and our professional team of experienced engineers and technicians are committed to providing you with excellent service.

lianxin company certificates

Cooperation Partners

As a refractory bricks source manufacturer for 20 years, we use the best materials and the most cutting-edge technology to carefully make fire bricks, our firebricks have all kinds of types  to meet various application needs, has won many reliable cooperation partners.

BEIJING LIRR
CHINA GOLD
CNMC
ENFI
GROUP
Jind Gold And Lead
LB GROUP
LTGF
MINMETALS
MS
New Chun Xing
XIN JIN YE
yghs
YHCC
YONGNING GOLD$LEAD
Ysm

Questions & Answers

Q1: Could I get a sample before placing an order?

A1: Yes. A sample as per your requirement can be prepared for approval.

A2:We can give you reply with quotation quickly if you kindly send the inquiry with following factors: dimension (length*width*thickness), service temperature, application and quantity.

We’d be appreciated if you can also provide the density and content.

A3: Yes, but only for regular size.

A4: Our experts can recommend you the suitable way based on the quantity and your budget. Normally ,it is by sea.

A5: Yes, you will get our lowest price without quality compromise along with our professional service.As we are working with mainly players in Europe, Asia, America and Afraic.

A6:  1.Chemical inspection is performed during Raw material, production and finished refractory materials.
       2.Physical test is performed for finished refractory bricks.

A7: We are truly a refractory materials manufacturer, Ruitai Lianxin not only can provide the high quality refractory materials with the best price, but also can offer the best pre-sale service and after-service.

A8: Yes! We have a professional R&D team, and advanced QC inspection equipments to ensure the accurate size and shape for you.

Contact Us

Chrome Corundum Brick最先出现在Ruitailianxin。

]]> Clay Brick https://www.lianxinrefra.com/product/clay-brick/ Fri, 09 Apr 2021 15:25:49 +0000 https://startersites.io/blocksy/homi/?post_type=product&p=26 Ruitai Lianxin low-porosity clay bricks are typical clay refractory products. Low-porosity clay bricks have better high-temperature volume stability, lower creep rate and better wear resistance. The raw materials of low-porosity clay refractory bricks include sapphire aggregate, light and soft clay binder, and auxiliary materials (kyanite , Sillimanite, andalusite) and additives, etc., after reasonable classification, the raw materials are fully mixed, then formed under high pressure, and sintered at 1400 ℃ high temperature conditions. The raw materials for the production of low-porosity clay fire bricks should require a compact structure, high purity, and few impurities.

Clay Brick最先出现在Ruitailianxin。

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Product Description

Description of Clay Brick

Low-porosity clay bricks are typical clay refractory products. Low-porosity clay bricks have better high-temperature volume stability, lower creep rate and better wear resistance. The raw materials of low-porosity clay refractory bricks include sapphire aggregate, light and soft clay binder, and auxiliary materials (kyanite , Sillimanite, andalusite) and additives, etc., after reasonable classification, the raw materials are fully mixed, then formed under high pressure, and sintered at 1400 ℃ high temperature conditions. The raw materials for the production of low-porosity fire clay bricks should require a compact structure, high purity, and few impurities.

Characteristics of Clay Brick

  • Low porosity
  • High load softening temperature
  • Excellent thermal shock resistance
  • Good volume stability
  • Good mechanical strength
  • Good wear resistance
  • Resistance to penetration
  • Acid resistance and slag corrosion resistance.
clay brick
clay brick
clay brick
clay brick
clay brick
23cf5343ed359e55a717dce6a782616
clay brick

Application of Clay Brick

  • Low-porosity clay bricks are widely used in glass kiln regenerator；
  • Low-porosity clay fire bricks are widely used in large-scale blast furnace supporting hot blast stoves；
  • Low-porosity clay bricks are widely used in the middle and lower lattices and support arches of the regenerators of hot blast stoves；
  • Low-porosity clay refractory bricks are widely used in various high-temperature industrial kilns such as lime kiln high-temperature zone firing zone.

Physical and Chemical Index

Three low clay brick Lower porosity brick Common clay brick
DDD DN-12 DN-15 N-1 N-2a
Al2O3≥ % 46 45 42 - -
Fe2O3≤ % 1.1 1.2 1.5 - -
Apparent porosity≤ % 10 12 15 22 24
Bulk density≥ g/cm3 2.40 2.37 2.30 2.15 2.10
Cold crushing strength Mpa 70 68 60 30 30
Reheating linear change % - +0.05-0.1 +0-0.2 +0.1-0.5 +0.1-0.5
Refractoriness under load(0.2Mpa) °C 1520 1500 1470 1400 1370
Creep rate(0.2Mpa 1200°C x50hs) ≤ % 0.1 - - - -

Company Profile

About Ruitai Lianxin

RuiTai LianXin factory

Henan Ruitai Lianxin Refractory Materials Co., ltd is a modern R&D-centered refractories manufacturing enterprise integrated with refractories sales and marketing, furnace engineering construction, recycling and sales of waste refractories as well as refractory raw material, technology and goods import and export, and technical services.

Well-equipped and technologically advanced, ISO/QHSE-certified management underpins a product line of ordinary, medium and high-grade magnesia series brick, magnesia-chrome brick, magnesia-alumina spinel brick, magnesia-alumina- chrome basic brick, lightweight brick, clay brick, high alumina brick, corundum brick, zircon series brick, silicon carbide brick and insulation materials, monolithic castable, ramming mix, plastic, etc.

We manufacture more than 70 categories of refractory bricks with more than a thousand specifications and models, which are widely used in high-temperature kiln/furnace, non-ferrous metallurgical smelter, cement lime rotary kiln, glass-melting furnace, electric power, petrochemical hazard waste incinerator etc.

Factory Show

As a 20 refractory bricks manufacturer, we have our own factory, professional machinery and equipments, strong technical team, complete delivery process, perfect after-sales service.

lianxin factory
lianxin-equipment
lianxin-factory
magnesia brick
lianxin-shipping
kiln construction

Test Equipment

We have innovative technology and advanced experimental equipment to ensure that every fire brick has the best quality and we are responsible for every customer.

Ruitai Lianxin experimental equipment
Ruitai Lianxin experimental equipments
Ruitai Lianxin testing equipment
Ruitai Lianxin testing equipments

Production Process

We have a complete production process, from raw materials to molding, and then to finished refractory materials. Each step is operated and inspected by dedicated personnel to ensure the high quality of the products.

Raw Materials

Raw Materials

Raw Materials Mixing and Tempering

Mixing and Tempering

Refractory Bricks Forming

Forming

Refractory Bricks Drying

Drying

Refractory Bricks Sintering

Sintering

Refractory Bricks Selecting

Selecting

Refractory Bricks Packing

Packing

Refractory Bricks Delivery

Shipping

Quality Control

After the refractory bricks are manufactured, we need to undergo professional testing and inspection to ensure that each high-quality refractory brick is delivered to the customer, so that the customer can rest assured.

LX Quality Control
Lianxin Quality Control
Quality Control
zzlx Quality Control

Packaging & Shipping

Our refractory bricks are delivered to customers in the shortest possible time by land, sea or air.

lianxin-packaging
lianxin-packaging
lianxin-packaging
lianxin-shipping
lianxinrefra-shipping
lianxin shipping

Company Advantages

Customer Cases

As a world-renowned refractory fire bricks exporter, we have expanded our business scope to the world, providing high quality fire bricks to customers worldwide. We have gained loyal customers all over the world, reached cooperation again and again, and become the first choice of global customers.

Indian customer

Indian customer

Kazakhstan customers

Kazakhstan customer

lianxin customer

Russian customer

Indian customer

Indian customer

Egyptian customer

Egyptian customer

Syrian customer

Syrian customer

Company Certification

We are a reliable manufacturer and supplier of refractory bricks, with a number of certificates and patents to protect your kiln, and our professional team of experienced engineers and technicians are committed to providing you with excellent service.

lianxin company certificates

Cooperation Partners

As a refractory bricks source manufacturer for 20 years, we use the best materials and the most cutting-edge technology to carefully make fire bricks, our firebricks have all kinds of types  to meet various application needs, has won many reliable cooperation partners.

BEIJING LIRR
CHINA GOLD
CNMC
ENFI
Jind Gold And Lead
LB GROUP
GROUP
LTGF
MINMETALS
MS
New Chun Xing
XIN JIN YE
yghs
YHCC
YONGNING GOLD$LEAD
Ysm
ZJYW

Questions & Answers

Q1: Could I get a sample before placing an order?

A1: Yes. A sample as per your requirement can be prepared for approval.

A2:We can give you reply with quotation quickly if you kindly send the inquiry with following factors: dimension (length*width*thickness), service temperature, application and quantity.

We’d be appreciated if you can also provide the density and content.

A3: Yes, but only for regular size.

A4: Our experts can recommend you the suitable way based on the quantity and your budget. Normally ,it is by sea.

A5: Yes, you will get our lowest price without quality compromise along with our professional service.As we are working with mainly players in Europe, Asia, America and Afraic.

A6:  1.Chemical inspection is performed during Raw material, production and finished refractory materials.
       2.Physical test is performed for finished refractory bricks.

A7: We are truly a fire bricks manufacturer, Ruitai Lianxin not only can provide the high quality products with the best price, but also can offer the best pre-sale service and after-service.

A8: Yes! We have a professional R&D team, and advanced QC inspection equipments to ensure the accurate size and shape for you.

Contact Us

Clay Brick最先出现在Ruitailianxin。

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