$Specialised Refractory Castables For Burner Tube System 1$

$Specialised Refractory Castables For Burner Tube$

$Specialised Refractory Castables For Burner Tube System 1$

Specialised Refractory Castables For Burner Tube

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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
Linear Change Rate(%)	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.

FACTORY:

$Specialised Refractory Castables For Burner Tube$

Q:What are the main characteristics of the sic refractories?: The physical properties of SiC refractories include structural properties, thermal properties, mechanical properties, usability and job performance. The structural properties of refractory include porosity, bulk density, water absorption, air permeability, an the distribution of pore size. The thermal properties of refractory include thermal conductivity, thermal expansion coefficient, specific heat, heat capacity, thermal diffusivity, and thermal emission rate. The mechanical properties of refractories include withstand voltage strength, tensile strength, anti bending strength, torsional strength, shear strength, impact strength, abrasion resistance, creep resistance, adhesive strength, and elasticity modulus. The usability of refractories include refractoriness, load softening temperature, linear?change?on?reheating, thermal shock resistant performance, slag resistance, acid resistance, alkali resistance, hydration resistance, corrosion resistance to CO, conductivity, and inoxidizability.

Q:How to use fire-resistant soil?: Clay refractory soil 1, characteristics and uses: Clay refractory brick is a weak acid refractory material, its thermal stability is good, suitable for hot air furnace, all kinds of boiler lining, and flue, smoke room, etc.. 2, product specifications form: standard shape, general, special-shaped and special-shaped brick. Physical and chemical properties of fireclay bricks.

Q:A chemical problem with refractory materials: No, in junior high school may be exposed to AlN aluminum nitride, high temperature resistant new ceramic, water will react...

Q:What types does refractory floor include?: There are many types refractory bricks, including silicon aluminum refractory brick, the leading product in refractory bricks. And its high temperature resistance can reach up to 600 degree centigrade or more, so it is an excellent refractory brick. And this high-alumina refractory brick is very suitable for metal industry for its strong practicability. Another one is alkaline series refractory brick, including magnesite refractory brick, and these two bricks are good materials resistant to high temperature.

Q:What's meaning of CN of fire-resistant material?: The commonly used preparation methodsinclude shock compression, high-pressure pyrolysis, ion implantation, reactive sputtering, plasma chemical vapor deposition, electrochemicaldeposition, ion beam sputtering, , low-energy ion radiation, pulsed arc discharge,pulsed laser inducing, etc. But the compounding result of superhard materialis not ideal due to deposition of amorphous CN film, nanometer level sizedC3N4 crystalline grain set in the amorphous film and few large graincrystal.

Q:What kind of refractory decorative board has good quality?: The unique design and personalized style of well-known brand "transit" rank highest in the field of domestic refractory slab. It is one of the largest manufacturers of high pressure decorating refractory slab in China. The production base covers an area of 40,000 square meters and the annual output is 4 million. It passes the test of Quality Supervision and Inspection Center of National Fire Protection Building Material and ISO9002 certification. The products pass international standards such as 4586, the United States NEMA and so on.

Q:What are grade classifications of the external walls for fireproofing?: 1. The thermal insulation material of level A combustion performance: Rock wool, glass wool, foam glass, foamed ceramics, foam cement, hole-closed perlite, etc. 2. combustion performance is level B1 insulation materials: Extruded polystyrene board (XPS) after special treatment / Special treatment of polyurethane (PU), phenolic aldehyde and gelatine powder polyphenyl granule 3, combustion performance is level B2 insulation material: Molding polystyrene board (EPS), extruded polystyrene board (XPS), polyurethane (PU), polyethylene (PE), etc. See the 2009 edition construction technical measures 4.3.6 Level A insulation material is only for fireproofing, but its thermal insulation performance is not better than organic XPS \\ EPS and other materials. I feel the best insulation materials should be modified phenolic board, which can keep insulation and fireproofing, but the comprehensive unit price is very expensive.

Q:What kind of materials are needed to make refractory bricks?: Fubang Decoration of Anhui province help you with the question: According to requirements, there are different materials, acid refractory material, such as silica bricks; neutral refractory material, such as high alumina brick; and basic refractory material such as magnesia brick.

Q:Is it necessary for the frame of glass fireproof door to be crammed with fire-proof material?: Fire resistance steel door——means that use a cold rolled steel sheet as door frame, door plank and framework, and stuff a door leaf with incombustible material.

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