Specialised Refractory Castables For Burner Tube

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Product Description:

Specifications

1.Customised solutions for your kilns
2.repair service
3.furnace construction service
4.high mechanical strength
5.ISO9001

1)Refractories for insulation of furnaces and kilns
2)Refractories to meet high-temperature erosion / corrosion
3)Refractories to take high-temperature loads
4)Refractories for continuing improvement in production & performance

5)Refractories for cost-effective manufacturing solutions

Physical & Chemical Properties of Refractory LH-85B

Product Name

Specialized castable

for coal burner tube

Corundum Andalusite Castable For Burner

Product Code

LH-80P

LH-85P

LH-70P

Density(kg/m3)

≥2.75

≥2.75

≥2.60

Chemical Component (%)

AL2O3+SiC

≥75

≥80

70

Cold Crushing Strength(MPa)

110°C*24h

≥90

≥90

80

1100°C*3h

≥100

≥110

90

1350°C*3h

≥100

≥120

85

Modulus of Rupture(MPa)

110°C*24h

≥9

≥10

7

1100°C*3h

≥11

≥12

7

1350°C*3h

≥12

≥13

≥10

Linear Change Rate(%)

1100°C*3h

±0.3

0.25±

± 0.3

1350°C*3h

± 0.4

±0.4

±0.4

Maximum Service Temperature(°C)

1600

1650

1600

Construction Method

Pouring& Vibrating

Application Area

Coal burner tube and high-temperature parts

Construction Service & Regulations

1.Check the size, specification, layout, installation and quality of the metal anchorage and make expansion

   processing of the anchors.

2.Erect the formworks (hardwood or steel) in advance.

3.Unpacking and pouring the castable

4.Mixing

5.Installation of the mixed castables & Large area constrction

6.Vibrating

7.Before the castable block get final set,it can not bear any pressure or vibration.

8.Curing & Stripping

9.Baking the Furnaces (taking cement plant kiln as an example):

1). Keep the initial temperature at 20°C or so.

2). Please strictly follow the curve to conduct the baking work and increase the temperature smoothly and

     evenly.

Specialised Refractory Castables for burner tube

3). Lay out as many temperature measuring points as possible to monitor the temperature in the kiln, ensuring

      the stable increase of the temperature.


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Q:whether the fire resistant level of aerated concrete building blocks can reach the grade one?
the fire resistant level of aerated concrete building blocks can reach the grade one level. Aerated concrete strength grade shall be divided according to the concrete cubic compressive strength value. Use the symbol C and the cube compressive strength value (in N / mm2 or MPa gauge) to express. According to GB50010-2002 "concrete structure design specifications" provisions, ordinary concrete is divided into fourteen levels, namely: C15, C20, C25, C30, C35, C40, C45, C50, C55, C60, C65, C70, C75, C80 .
Q:What are Grade-A waterproof inorganic thermal insulation materials?
1. Foam ceramic insulation board Foam ceramic insulation board is made of inorganic ceramic material by high temperature baking and is called ceramic insulation plate for short. 2. Composite cement foaming insulation board With cement, fly-ash and micro-silica, composite cement foaming insulation board is a kind of hole-closed lightweight hydrophobic insulation board made by foaming, maintenance,cuttign and processing. 3. Aerated concrete panel Using lightweight material, silicious material and foaming agent and so on, aerated concrete panel is a lightweight concrete panel made by high pressure steaming. 4. Rock wool board With natural igneous rock as material and thermosetting resin as binder, rock wool board is a panel made by melting in high temperature through centrifugation. I hope it can help you.
Q:What are the components of refractory clay?
The major raw material are bauxite, magnesite, silica, etc. It is easy to combine, high temperature resistant, corrosion resistant and has other advantages. It can be applied for refractory bricks in a variety of masonry.
Q:What crusher is used for raw material of broken refractory material? What is the rough crushing process? What are the materials? Thank you!
What are the requirements of granularity of material?
Q:Who knows what is the external wall thermal insulation materials for level A fireproofing?
In general, external wall thermal insulation materials can be divided into level A and level B by combustion grading. Level A is non-combustible material, and level B is combustible materials. A few years ago, the fire of the CCTV Building and Shenyang Hotel put the blame on the level B material. At present, the level A material is widely used, and the prices of same level A materials may be even cheaper than the level B material. Level A material is generally divided into thermal mortar, phenolic foam board, rock wool board and foam cement board. I hope this information can be helpful to you. Hope you adopt.
Q:How long is the duration of fire resistance of autoclaved flyash-lime bricks?
The compressive strength of the autoclaved flyash-lime bricks is generally higher, which can reach 20MPa or 15MPa, at least 10MPa, and it can withstand the 15 freeze-thaw cycles. Besides,fly ash brick is a kind of potential active hydraulic material. In the humid environment, it can continue to produce hydration reaction and make the internal structure of the brick is more dense, which is conducive to improvement of the strength. It is found in experiments and many investigations that sample some carbide which is used for foundation, plinth and drains, after one or twenty years of freezing thawing and wetting drying, some bricks have been completely carbonized, but strength is not reduced, increased instead. This is one of the merit of autoclaved flyash-lime bricks.
Q:What are the new refractories?
Most are ordinary refractories.
Q:Does anyone knows which company produces the better refractory materials?
A:Building Materials Company of Guangzhou: Near the Baiyun District, Baiyun District, Guangzhou Road, North Road. B:Guangzhou Research & Development Co., ltd.: Liwan District Fengyuan road No.90 in Guangzhou City C: Huitailong decoration materials Co., Ltd.:the 30th floor of No. 111 Pacific Center, Taikang Road, Yuexiu District Guangzhou City D:Guangdong metal materials company: Near Qishan Road, Tianhe District , Guangzhou city.
Q:Does anyone know the difference between refractory and thermal insulation material?
The main difference between insulation bricks and refractory bricks are as follows: 1. Insulation effect The heat conductivity cofficient of insulation bricks is usually 0.2-0.4 (average temperature of 350 ± 25 ℃) w / mk while the heat conductivity coefficient of refractory bricks is 1.0 (average temperature of 350 ± 25 ℃) w / mk or more. Thus it can be seen that the insulation effect of insulation bricks is much better than that of refractory bricks. 2. Refractoriness The refractoriness of insulation bricks is generally below 1,400 degrees centigrade while the refractoriness of refractory bricks is above 1,400 degrees centigrade. 3. Density Insulation bricks are generally light-weight insulation material, and the density is generally 0.8-1.0g / cm3. But the density of refractory bricks is above 2.0g / cm3.
Q:What's the poured refractory material?
According to the volume density, it can be classified as follows: Heavy (>2.0g /cm3), medium heavy (1.0-2.0g/cm3), light (0.4-1.0g/cm3); classified by binding agent: hydraulic bond, chemical bond, coagulation binder, hydraulic and coagulation binder; classified by material: material of clayey, high alumina, silicious, magnesian, alumina-magnesia, magnesian-chrome, magnesia-zirconia, silicon carbide-based, etc.

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