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Yellow Coke Oven Refractory Insulation Quartz Silica Stone Bricks with 0.34% CaO Content

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Yellow Coke Oven Refractory Insulation Quartz Silica Stone Bricks with 0.34% CaO Content

Name: Yellow Coke Oven Refractory Insulation Quartz Silica Stone Bricks with 034 CaO Content
Brand: Hongtai
Price: 400.00 USD

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Place of Origin : Henan, China

Shape : Brick

Material : tridymite

SiO2 Content (%) : 91%-96%

Al2O3 Content (%) : 0.2%

MgO Content (%) : 0.18%

CaO Content (%) : 0.34%

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

CrO Content (%) : 0.1%-0.3%

SiC Content (%) : 0.01%-0.02%

Model Number : silica brick

Brand Name : Hongtai

Processing Service : Bending, Welding, Punching, Decoiling, Cutting, Moulding

Product name : Silica brick

Application : Glass melting furnace,Coke oven,hot blast stove

Color : yellow

Size : Customers' Requirement

Certificate : ISO9001:2008

Bulk Density(g/cm3) : ≥1.8

True Density(g/cm3) : <2.34

semi-silica brick OEM : Silica Bricks Yes

Brand : Hong Tai

Type : Facotory

Packaging Details : 1.Pallet+Paper or Steel angle bead+Paper board +Plastic or Steel belt +Plastic film
(1)Wooden pallet size:Usually0.92*0.92m(standard brick),but 1*1m (special shape brick) at most,
(2)Load weight of each pallet:Usually 1.5-1.7Tons, max 2.0 Tons.
(3

Supply Ability : 3000 Ton/Tons per Month

Price : $400.00 - $600.00/tons

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Product Description

Silica brick from china:

$Yellow Coke Oven Refractory Insulation Quartz Silica Stone Bricks with 0.34% CaO Content$

Henan Xinmi factory silica refractory bricks or silica firebricks for glass kiln, coke oven or hot blast stove

Silica firebrick is a kind of acid refractory material consisting mainly of scale quartz, calcite and a small amount of residual quartz and vitreous phase. Silica content in this brick is above 94%. True density 2.35g/cm3. It is resistant to acid slag. Higher high temperature strength. The initial temperature of load softening is 1620~1670℃. In high temperature for a long time without deformation. Low thermal shock stability (water heat exchange is 1~4 times) with natural silica as raw material, plus an appropriate amount of mineralization agent, to promote the conversion of quartz in the billet into, scale quartz. It is slowly fired at 1350~1430℃ in reducing atmosphere. When heated to 1450℃, about 1.5~2.2% of the total volume expansion, the residual expansion will make the cut joints close, to ensure that the masonry has good air tightness and structural strength.

Functon:

Silica Bricks, also called silica refractory bricks or silica fire bricks, are acid refractory bricks products which have good acid slag resistance ability. If you want to buy silica bricks for your glass kiln, coke oven or hot blast stove.The silica brick is mainly used for the partition wall of the coking chamber and combustion chamber of the coke oven, the regenerator and the slag chamber of the steel open furnace, the soaking furnace, the refractory material of the glass melting furnace and the firing kiln of ceramics, etc. Load-bearing parts. It is also used for high temperature load-bearing parts of hot blast stoves and acid open hearth furnace roof.

Specification

technical data:

Item

phosphate hi-al brick

Testing In Accordance With

SK-P

Regenerator

Boiler Wall

Carbonization Chamber Bottom

SK-NM

Al2O3 % ≥

Boiler Wall

Cao % ≤

3.2

Oven Roof

ChemicalComposition

SiO2

>=94.5

>=95.0

DIN51070

C.C.S. MPa ≥

1.0

Part 2⁶

B.D. g/cm3 ≥

Al2O3

<=2.0

<=1.5

DIN51070

A.P.%

0.3

Part 3⁶

0.2MPa R.U.L. ℃ , ≥

Fe2O3

<=1.0

DIN51070

Refractoriness ℃ , ≥

1780

0.2

Part 5⁶

Rebirth line changes@1500 ℃ %

CaO

<=3.0

DIN51070

Thermal shock resistat(times)1100℃

0.35

Part 7⁶

Na2O+K2O

<=0.35

DIN51070

0.02

Part 8⁶

Residual Quartz Content¹⁾	Raw Materials Type A(Coarse Crystalline)	%	As Per Mutual Agreement					（2）
				σ	6.0
				x_max
		Raw Materials Type B(Crypto Crystalline)	%	1.5					-
		Raw Materials Type B(Crypto Crystalline)	%			0.5				-
Cold Compressive Strength			N/mm²	>=28^2）	>=35	>=45	DIN51067 Part 1
				σ	10	10		10
				x_min	20	25		30
Apparent Porosity			%	<=24.5	<=22.0	<=22.0	DIN51056
Apparent Porosity		Refractoriness Under Load Initial Temperature ta		σ	1.3	1.3	DIN51056	1.3
Refractoriness Under Load Initial Temperature ta			℃	>=1640	>=1650			DIN51064
Refractoriness Under Load Initial Temperature ta				σ	25	25		DIN51064

Refractoriness Under Load T0.5℃ (Differential Method)	℃	According to Agreements					DIN51053
Refractoriness Under Load T0.5℃ (Differential Method)		According to Agreements			σ				Part 1
Compressive Creep ^3）	%	<=0.12			-	DIN51053Part 2
		σ	0.05
		%	<=0.35
		σ	0.1			-
Refractoriness ⁴⁾	SK	>=170(SK31)⁵⁾	-	-	DIN51063Part 1
Refractoriness ⁴⁾		σ	-	-	DIN51063Part 1	2(SK1)⁵⁾
Average Thickness Loss	mm	-	-	<=4.5	DIN52108
Average Thickness Loss		-	-	σ	DIN52108	-	-	0.1

Silica firebrick technical data
Silica firebrick is an acidic refractory material with good resistance to acid slag erosion. Its softening temperature under load is as high as 1640～1670℃, and its volume is relatively stable under high temperature for long-term use.

Main characters of silica firebrick
(1)High refractoriness under load.
(2)High heat conductivity.
(3)Good thermal shock resistance.
(4)Solidity stable of capacity in high temperature.

Usage

1.Silica firebrick for glass furnace

Silica bricks for glass kilns refer to siliceous refractory products used in high temperature parts of glass kilns (not in contact with molten glass). The tank kiln is a large and complex masonry made of various refractory materials, and its vault mostly uses silica bricks. Some glass kilns also use silica bricks for the vault and checker bricks of the regenerator

2.Silica firebrick for hot blast furnace

(1) Under long-term high temperature and load conditions, the volume is stable, the high temperature creep rate is low, and it can be used continuously for one or two blast furnaces;

(2) Good performance above 600℃ The thermal shock resistance. Adapt to the variability of the temperature of the hot blast stove, keep the bricks and masonry intact;

(3) The chemical resistance is better
than clay bricks and general high alumina bricks.

(4) The thermal conductivity of silica bricks is larger than that of clay bricks and high alumina bricks, which is conducive to shorter Time to store and release heat.

3.Silica firebrick for coke oven

Silica bricks for coke ovens are mainly silica bricks, accounting for about 70% of the total refractory materials. It is the most suitable refractory brick for the furnace wall of the coking chamber. In the coking process, at the same time and with the same coal contact area, silica bricks can transfer more heat from the combustion chamber to the carbonization chamber, thus saving energy. The furnace wall itself also has a heat storage function.

Packing & Delivery

$Yellow Coke Oven Refractory Insulation Quartz Silica Stone Bricks with 0.34% CaO Content$

Packaging of silica firebricks：
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,
3.230*114*65mm: 512PCS/Pallet, 230*114*75mm:448PCS/Pallet.

Shipping of silica firebricks
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, quality and quantity guaranteed, and also in accordance with the contract andcustomer's requirement completely.

Payment Terms
(1)T/T, Western Union,LC;
(2)Usually 30% deposits,70% balance to be paid before delivery or against copy of BL or negotiations
(3) MOQ: Usually 1 container, MOQ 1Tons, Customers can order certain PCS for special silica brick.

Why Choose Us

$Yellow Coke Oven Refractory Insulation Quartz Silica Stone Bricks with 0.34% CaO Content$

1. Strong professional:
Our company has thirty years producing experience in refractory products. Our manager will supervise on a various refractorys production materials, process control, quality supervision and package delivery, and ensure the products are 100% qualified.

2.Annual supply:
Our company has passed ISO9001 quality management system certification and SGS certification. And the annual supply of shaped and unshaped refractory product is 28, 800-35, 000 tons.

3. Export experiences:
Now we have gained a global sales network reaching Taiwan, Russia, Vietnam, Pakistan, Bulgaria, French, India, Congo, Angola, South Africa, and so on.

4. Production equipment:
Production and testing equipments are new, complete and automated or semi- automated. Such modern facilities and equipments have provided the fine technical guarantee for the production and testing.

5. Testing equipment:
Our company's testing equipments as follows:
High Temperature RUL Tester
Bulk Density Tester
The Pressure Tester
Refractoriness Tester

Contact

$Yellow Coke Oven Refractory Insulation Quartz Silica Stone Bricks with 0.34% CaO Content$

$Buy cheap Yellow Coke Oven Refractory Insulation Quartz Silica Stone Bricks with 0.34% CaO Content product$

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