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Silica Brick for Coke Oven or Hot Blast Stove CrO Content % 0.01 and True Density ≤2.34 g/cm3

Henan Hongtai Kiln Refractory Co.,Ltd.

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Address: Group 4, Chuling Village, Chaohua Town, Zhengzhou, Henan, China

Contact name:Liu

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Silica Brick for Coke Oven or Hot Blast Stove CrO Content % 0.01 and True Density ≤2.34 g/cm3

Country/Region china
City & Province zhengzhou henan
Categories Decorative Film
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Product Details

Product Description

 Silica Brick for Coke Oven or Hot Blast Stove

 

A brief introduction of Silica Brick

Silica Brick is a kind of acid refractory mainly made from tridymite, cristobalite and a small amount of residual quartz as well as glass phase. The raw material is natural silica sand whose SiO2 content should be more than 96%. The higher SiO2 content in silica sand, the higher temperature Silica Bricks resist. Silica Bricks are used in the roof and superstructure of glass melting tanks as well as for hot repairs.

Applications 

Silica brick for coke oven carbonization chamber and the combustion chamber wall, open hearth furnace of regenerator and a sediment chamber, soaking furnace, glass furnacerefractory brick materials and ceramic firing kiln kiln vault and other load-bearing parts. Also used for high temperature bearing part of hot blast stove and acid open hearth furnace.

Our Silica Brick advantages

--Adopts high quality silica and advanced technology, our Silica Bricks enjoy the advantages of high purity, long service life, good thermal conductivity, high refractoriness under load, and good creep resistance. 

--In addition, it has accurate size tolerance, pure color and luster appearance. 

--Because of the good thermal shock resistance of Silica Brick, it is mainly used in the continuous operating furnace. 

--Supporting the use of other high quality refractories, our Silica Brick can extent the service life of float glass furnace to 8 years and double the service life of bottle glass furnace. 

Refractory Silica Bricks Size

Straight TypeArch TypeWedge Type
L×W×H (mm)L×W×H/h (mm)L×W×H/h (mm)
230×114×65230×114×65/55230×114×65/55
230×114×75230×114×65/45230×114×65/45
230×114×32230×114×65/59220×110×75/65
220×110×60220×110×65/50220×110×60/40
220×110×50220×110×75/65 
220×110×40220×110×60/40 
220×110×30  


 

Specifications Of Silica Brick

1.Higher SiO2 content of more than 96%, with true density of 2.34g/cm3, thus it has good performance in corrosion of acid slag.

2.Excellent resistance in high temperature. The melting temperature under load is 1620-1670℃. Durable, with no deformation under high temperature.

3.Good thermal shock resistance, High heat conductivity.

4.At 1450℃, there is 1.5-2.2% overall expansion which makes the joint-cutting dovetailed, thus Silica Bricks have good air tightness and strong structure.

Technical Data Of Silica Brick

IndexHigh quality Silica BricksSilica Bricks for coke oven
XBG-96ZBG-96DBG-96JG-94AJG-94BJG-94Y
15Kgs15-25Kgs25-40Kgs
Refractoriness   169016901690
Apparent porosity %222324222422
True density2.342.342.342.352.352.35
Cold crushing strength MPa35(30)35(30)29.429.419.629.4
Refractoriness under load 0.2Mpa ℃168016801670165016501650
Permanent linear change %0-0.30-0.30-0.30.2  
1450  
 
IndexBG-95ABG-95BBG-96ABG-96BGZ-94GZ-95Wall of stoveCheck brick
Refractoriness    17101710  
True density2.342.342.352.352.382.372.352.35
Apparent porosity %22(24)22(24)22(24)22(24)23222223
Cold crushing strength MPa35(30)35(30)35(30)35(30)24.529.43530
Refractoriness under load 0.2Mpa ℃166016501680167016401650  
Melting index% ≤0.7(0.7) 0.5(0.6)     
Creep 0.2Mpa50h %      15500.815500.8
Thermal shock resistance at 1000℃ %      1.261.26
Remain quartz %      Data must be provided
ChemicalSiO2 %9595969694949595
compositionFe2O3 %110.81    
 

 

 

 

Applications

 Silica Brick for Coke Oven or Hot Blast Stove

 

Applications Of Silica Brick

The Silica Brick can be widely used in coke oven, hot blast furnace, glass furnace and carbon furnace. In glass industry, it is mainly employed to build the doghouse crown, suspended wall of channel, top crown and inlet sealing. In detail, Silica Bricks plays  the following role in different fields:  

--being the partition walls in coke oven carbonization and burning chamber;

--metallurgy industry: used as refractories for steel making open hearth regenerator, slag pocket, soaking pit;

--arch crown and other weight bearing areas in ceramic kilns, hot blast furnace and acid open hearth;

 --worked as building checker chamber, chute, combustion chamber, coking chamber and furnace arch in glass melting furnaces.

Packaging & Shipping

 

Packing

Standard export wooden pallet with cardboard and PET strap.

1. Strong packing will protect the goods from any possible damage during transit.
2. Solid packing and overall stuffing can prevent the cases from vibration and jarring.
3. We must take necessary precaution that the packing can protect goods from pilferage or rain.
4. We can confirm that we take every possible precaution to ensure that our products reach our customers all over the world in prime conditon.

Shipping

By vessel or by train from any Chinese port, Samples can be delivered by International express.

 

Delivery:

15-30 days working day for large quantity. The shipment we will arrange as soon as possible. Of course, if it is a custom products, the shipping time will delay.
Sample:

Usually by EMS, DHL, UPS, TNT, FedEx. Anyway you like. Bulk order: Usually by sea.

Payment:

It can be through T/T, L/C at sight. The specific terms determined according to the quantity of the goods, etc.
Your inquiry related to our product & price will be replied within 24 hours.
Export:
Our products have been exported to many countries: Australia, Chile, USA, Russia, UK, Indonesia, etc., good quality have be approved by our clients.

 

 

 

 

Production Process

Silica Brick for Coke Oven or Hot Blast Stove

 

1)Raw material to factory→checkout→burdening→stirring→mixing→taking out the raw material,
2)Crushing→Mixing→Shaping→Drying→Firing→Inspection→Packaging and Shipment.
2.Quality Assurance
1)Going out the furnace→checkout→packing→qualified product→putting in storage→sale,
2)The process from raw to product are strictly tested by equipment.
1.Inspection and Control of incoming raw materials: according to the chemical content,raw materials are classified into different levels to ensure quality of Silica Brick first.
2.Inspection and control of the process: during the production,every brick will be weighed twice strictly to reduce the error of weight .
3.Quality audit by quality management:  inspection of product standardization of quality of each product by process control and experimentation, taking corrective measures timely whenever deviations are noted.
4.Before delivery, the inspectors will inspect the size,appearance, physical and chemical properties of Silica Brick again in factory.

 

Company Information

Henan hongtai kiln refractory co., LTD. Is well aware that there are thousands of demands from customers, which can be summarized in four aspects: reliable quality, timely delivery, reasonable price and considerate service.The company will continue to adhere to the corporate spirit of "contributing to society and serving customers" and the business philosophy of "mutual benefit, win-win, integrity, efficiency, preciseness and responsibility".Our company is willing to develop a wide range of technical exchanges with colleges and universities and colleagues from all walks of life at home and abroad in a flexible and diversified way.

 

Henan hongtai kiln refractory co., LTD. : "quality first, reputation first, customer first: it is our aim."Scientific management, strong technical force, perfect testing means, advanced technological equipment and stable product quality are the guarantee of quality service.Henan hongtai kiln refractories co., LTD sincerely hopes to cooperate with you hand in hand and in good faith.
Henan hongtai kiln refractory co., LTD. Main products are high alumina brick, clay brick, fused zirconium corundum brick, fireproof ball lightweight insulation brick, wear-resistant pouring material, corundum pouring material, low cement high strength pouring material, impermeable material, self-flowing material, plastic material, and various types of refractory materials.For different industries, the cement industry with anti-flaking high-alumina bricks, alkali resistant bricks, phosphate bricks;Boiler industry USES all kinds of brand wear-resisting brick, corundum brick, mullite brick and other finalizing materials.The company insists on "product quality is the life, enterprise integrity is the foundation", in the fierce market competition, won many users' trust and praise.The products are sold all over the country, as far as Vietnam, India, Korea, Pakistan, kazakhstan, Iran and other southeast Asian countries and regions.

  

Customer

The products are sold all over the country, as far as Vietnam, India, Korea, Pakistan, kazakhstan, Iran and other southeast Asian countries and regions.

 

 

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