Main Composition: Al2O3 Application: Coke oven, etc Capacity: 500 tons per month Color: White Size: As your requirements Package: Export wooden pallets

Product Introduction

New type coal-charging hole precast has high strength, low thermal conductivity, and good abrasion and erosion resistance. Reduce physical damage and tar and other chemical erosion for the refractory during operation. The working life is up to three years.

Features

1. Long working life. 2. Self-cleaning function. 3. Keep the working area clean. 4. More match with the lid, reduce gas leakage, yellow smoke and pollution. 5.Can improve the oven roof working condition.

Application

It's mainly used for coke oven.

ITEM	GLAZED
ω(Al2O3) /%   ≥	45
ω(MgO) / %   ≥	2.5
Apparent Porosity / %   ≤	28
Bulk Density /g/cm3   ≥	2.1
Cold Crushing Strength / MPa   ≥	40
Rupture Strength  / MPa   ≥	4
Thermal Conductivity/W/(m·K)1000℃ (Heating side)   ≤	1.2
Thermal Shock Resistance (1100℃, water cooling) /cycle   ≥	50

 

ITEM		NORMAL
ω(Al2O3) /%   ≥		45
ω(MgO) / %   ≥		2.5
Apparent Porosity /%   ≤		28
Bulk Density / g/cm3   ≥		2.1
Cold Crushing Strength /MPa   ≥	110℃*24h After drying	35
	1350℃*3h After firing	40
Rupture Strength /MPa   ≥	110℃*24h After drying	3
	1350℃*3h After firing	4
Thermal Conductivity/W/(m·K)1000℃ (Heating side)   ≤		1.2
Thermal Shock Resistance (1100℃, water cooling) / cycle   ≥		50

  Comparison between new type and traditional type

NEW TYPE	TRADITIONALTYPE
High performance crystalline ceramic refractory materials cover the working surface.	Iron casting
Good thermal insulation	Poor thermal insulation
No coal and coke deposition, self-clean function	Easy to be magnetized, leading to accumulate dust.
The maintenance frequency can be significantly reduced. Keep the working area clean.	Frequent repair and high maintenance cost.
Match with the lid; reduce gas leakage, yellow smoke and pollution, improving the oven roof working condition.	Gas leakage