Insulating Fire Brick with Excellent Insulating Effect - Common Size for Heat Treatment Furnace

Insulating Fire Brick with Excellent Insulating Effect - Common Size for Heat Treatment Furnace System 1

Insulating Fire Brick with Excellent Insulating Effect - Common Size for Heat Treatment Furnace

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 10 m.t.

Supply Capability:: 10000 m.t./month

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CNBM conforms strictly to the requirements of ISO 9000 quality control system during the production. MSDS is also available if you want. The thermal insulation fire clay brick meet with the requirements of ASTM & JIS standards. So please stay cool with our quality.

Application

Insulating Fire Brick are used for the lining of converter, alternating current arc furnace, direct Current arc furnace and the ladle slag line, etc.

Insulating Fire Brick Technical index

Brand Quality		JM23	JM26	JM28	JM30	JM32
Bulk Density (g/cm3)		0.52	0.78	0.88	1.03	1.25
Cold Crushing Strength (Mpa)		1.2	1.6	2.1	2.5	3.5
Modulus of Rupture (Mpa)		0.9	1.4	1.6	2.1	2.1
Reheating Linear Change (%)		1230℃ -0.5	1400℃ -0.4	1510℃ -0.5	1620℃ -0.9	1730℃ -0.9
Thermal Expansion 1100℃（%）		0.5	0.7	0.8	0.9	1.1
Thermal conductivity（W/m.k）	400℃	0.14	0.27	0.32	0.41	0.49
	600℃	0.16	0.29	0.34	0.43	0.50
	800℃	0.18	0.31	0.36	0.44	0.51
	1000℃	0.20	0.33	0.38	0.45	0.53
Al2O3		37	58	67	73	77
Fe2O3		0.7	0.7	0.6	0.5	0.4

Equipment

1 unit of Ceramic Abrasive (SG Abrasive) pilot production line

2 units of Compact grain Abrasive pilot production lines

1 unit of high-end coated abrasives (abrasive cloth) production line

2 units of Boron Carbide production lines

3 large flexible crushing and sieving lines for grit production lines

2 units of 2000KVA furnaces for Boron Carbide fusion

6 units of 5000KVA-10000KVA dumping type electric arc furnaces for Brown Fused Alumina fusion

Company Advantage

(1)Long Insulating Fire Brick manufacture history: 25 years manufacturer

(2)Advanced equipment

(3)Diversification of production standards: ISO ANSI FEPA JIS ASTM

(4)Flexible payment: T/T L/C D/P D/A

(5)Professional marketing team and after-sale service

(6)Free sample

FAQs

What’s the transport method?

FCL delivery goods with wooden pallet or wooden case by sea; If LCL delivery, must with wooden case; Sometimes need open top, flat rack or bulk cargo.

What’s the required payment term?

Generally 30% TT as the prepayment, 70% TT before delivery. If need, 100% Irrevocable Letter of Credit or negotiation.

Which country are our products exported to?

Apart from entire Chinese market, the US, Russia, Japan, Korea, Australia and some Southeast Asian Nations.

Common Size Excellent Insulating Effect Fire Clay Brick Used for Heat Treatment Furnace

Q: Can insulating fire bricks be used for insulation in flues?: Insulating fire bricks are created with the specific purpose of being used in high-temperature settings, such as furnaces, kilns, and various industrial environments. Their main function is to effectively insulate heat and prevent heat loss. However, it is important to note that they are not suitable for use in flues. Flues are exposed to extreme temperatures, corrosive gases, and the possibility of accumulation of soot and creosote. The conditions in flues are not compatible with insulating fire bricks, as they are not designed to withstand such harsh elements. Consequently, when exposed to the acidic and corrosive gases generated by combustion, these bricks may deteriorate or develop cracks over time. To ensure proper insulation in flues, it is advisable to opt for materials that are specifically manufactured for this purpose, such as refractory cement or ceramic fiber insulation. These materials are better equipped to withstand the challenging conditions encountered in flues and are more capable of providing effective insulation while maintaining the safety and durability of the flue system.

Q: Can insulating fire bricks be used in ladles?: Yes, insulating fire bricks can be used in ladles.

Q: Are insulating fire bricks suitable for insulation in walls?: Insulating fire bricks are not typically suitable for insulation in walls. While they are excellent for high-temperature applications, such as lining furnaces or kilns, they have limited insulation properties when it comes to walls. Insulating fire bricks have lower thermal conductivity than regular bricks, meaning they conduct heat at a slower rate. However, they are not as effective as other insulation materials specifically designed for walls, such as fiberglass, foam boards, or mineral wool. These materials are specifically engineered to provide superior insulation properties, such as higher R-values, which measure the material's resistance to heat transfer. Additionally, insulating fire bricks are often more expensive and heavier than other insulation options, making them less practical for wall insulation. Therefore, while insulating fire bricks have their advantages in certain applications, they are generally not the best choice for insulating walls.

Q: Can insulating fire bricks be used in the construction of steel rolling mills?: Insulating fire bricks have the capability to be utilized in the construction of steel rolling mills. With their exceptional thermal insulation properties, these bricks are designed specifically for applications that necessitate high temperatures and heat containment. They prove to be suitable for lining the walls of furnaces, ovens, and other heat-processing equipment within steel rolling mills due to the involvement of elevated temperatures. The utilization of these bricks aids in diminishing heat loss, enhancing energy efficiency, and maintaining a steady temperature environment, which is of utmost importance during the steel rolling process. Furthermore, the lightweight nature and ease of installation of insulating fire bricks make them a practical and advantageous choice for construction purposes in steel rolling mills.

Q: Can insulating fire bricks be used in the construction of lime kilns?: Yes, insulating fire bricks can be used in the construction of lime kilns. These bricks are specially designed to withstand high temperatures and provide excellent insulation, making them suitable for lining the interior of lime kilns. Their ability to retain heat and reduce heat loss can help enhance the efficiency and performance of the lime kiln.

Q: Are insulating fire bricks suitable for use in lime kilns?: Insulating fire bricks are indeed a suitable option for utilization in lime kilns. Lime kilns function at elevated temperatures, usually ranging from 900 to 1200 degrees Celsius. These insulating fire bricks are specifically constructed to endure such extreme temperatures and offer exceptional thermal insulation. With their low thermal conductivity, they aid in conserving heat and upholding high temperatures inside the kiln. Moreover, these bricks possess a lightweight nature and exhibit considerable resistance to thermal shock, rendering them ideal for the cyclic heating and cooling procedures employed in lime kilns.

Q: Are insulating fire bricks resistant to molten metals?: Yes, insulating fire bricks are generally resistant to molten metals. Insulating fire bricks are made from refractory materials that have high melting points and excellent thermal insulation properties. This makes them suitable for applications where they come into contact with high temperatures, including molten metals. The insulating properties of these bricks help to minimize heat transfer, preventing the heat from the molten metal from being conducted through the brick. Additionally, the refractory materials used in these bricks have low thermal expansion, which allows them to withstand thermal shock that can occur when molten metals come into contact with the bricks. However, it is important to note that the specific resistance of insulating fire bricks to molten metals can depend on factors such as the type of metal, temperature, and duration of exposure. Therefore, it is recommended to consult with the manufacturer or a professional to ensure that the insulating fire bricks are suitable for the specific application involving molten metals.

Q: Can insulating fire bricks be used for insulation in cryogenic applications?: Yes, insulating fire bricks can be used for insulation in cryogenic applications. These bricks have excellent thermal properties that make them suitable for maintaining low temperatures and preventing the transfer of heat in cryogenic environments. They are designed to resist extreme cold and can effectively insulate against the loss of thermal energy, making them a reliable choice for cryogenic insulation.

Q: Can insulating fire bricks be used in the construction of lime production linings?: Yes, insulating fire bricks can be used in the construction of lime production linings. These bricks are designed to withstand high temperatures and provide insulation, making them suitable for lining furnaces and kilns used in lime production. They can help maintain the desired temperature, conserve energy, and improve the efficiency of the lime production process.

Q: How do insulating fire bricks affect the overall energy consumption of a kiln?: Insulating fire bricks play a crucial role in influencing the overall energy consumption of a kiln. These bricks are designed to have low thermal conductivity, meaning they are efficient at preventing heat transfer. By using insulating fire bricks in a kiln, the amount of heat lost to the surroundings is significantly reduced, resulting in improved energy efficiency. When the kiln is operating, the high temperatures inside can easily escape through the walls if they are not properly insulated. This would require the kiln to continuously generate more heat to maintain the desired temperature. However, insulating fire bricks act as a barrier, effectively trapping the heat within the kiln. This means that less energy is required to achieve and maintain the desired temperatures, resulting in reduced energy consumption. Moreover, insulating fire bricks also contribute to faster heat-up and cooling cycles. They have low heat storage capacity, meaning they do not absorb and retain heat for extended periods. As a result, the kiln can reach the desired temperature more quickly during the heating phase, reducing the time and energy required for the kiln to operate at optimal levels. Similarly, during the cooling phase, insulating fire bricks help dissipate the heat faster, allowing for quicker cooldown and reducing the overall energy consumption. In summary, insulating fire bricks have a significant impact on the overall energy consumption of a kiln. By minimizing heat loss, improving energy efficiency, and facilitating faster heating and cooling cycles, these bricks contribute to substantial energy savings and lower operating costs.

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