$Raw Materials for Refractory:Specialised Refractory Castables for Burner Tube System 1$

$Raw Materials for Refractory:Specialised Refractory Castables for Burner Tube$

$Raw Materials for Refractory:Specialised Refractory Castables for Burner Tube System 1$

Raw Materials for Refractory: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 characteristics of clay refractory materials?: Clay refractory has excellent performance in anti fatigue. The fatigue strength of the general metal is 50% ~ 40 of the tensile strength, and some composite materials can be as high as 70 ~ 80%. The fatigue fracture of the composite is from the matrix, which is gradually extended to the interface between the fiber and the matrix. Therefore, the composite material has omen before destruction, and it can be checked and remedied. Fiber composite material also has good performance in anti vibration fatigue. The fatigue life of The helicopter rotor made of composite material is longer that made of metal. I hope my answer will help you!

Q:What are unshaped fire-resisitance materials?: Refractory castable, refractory plastic material, usually classified according to construction and manufacture method, unfired bricks precast block, refractory pressed into material, refractory cast material, refractory coating, refractory ramming material there are many classification methods

Q:How long can gypsum board endure fire?: General gypsum plaster board with a thickness of less than 12mm has a fire endurance which is less than half an hour. It is clearly stipulated in Clause 2.0.4 of "Specification of Fire-resistance of Decoration?Design in the Interior of Buildings" that "gypsum board, mineral?wool?board and acoustic board whose combustion performance reach at B1 grade installed on steel joists can be used as A-grade incombustible materials. Although the gypsum board is non-combustible material, we need to examine materials' stability in the face of fire and their fire retardant limits besides exmine their fire prevention standards. Fire retardant limit refers to the ability and time that materials can resist fire when encounting fire and taking palce changes.

Q:Do you know what the main indicators are for the inspection of refractory materials? Thank you very much for your requests and reports: Fire resistance, combustion performance, combustion heat value, fire resistance, high temperature resistance, fire rating test and so on. Regular testing institutions are generally reported, Qingdao standard also can, the results are more accurate.

Q:How long is the fire endurance of Grade A fire resisting shutter: Based on national standards GB 14102-2005 specifications. It is specified in GB 14102-2005 provides that: The fire resisting shutter whose fire endurance is not less than 3h is AAA fire resisting shutter when the unexposed surface temperature rise is used as judging condition. Therefore, it is required that the fire endurance of Grade A fire resisting shutter is 3h.

Q:The development prospect of fire-resistant material: I also want to know, who can say, thanks all the way.

Q:How many levels are there in the classification of PP fireproof materials?: PP fireproof materials level V-0: After two 10-second fame tests on the sample, the flame extinguishes within 30 seconds. Inflamer can not drop. V-1: After two 10-second flame tests on the sample, the flame extinguishes within 60 seconds. Inflamer can not drop. V-2: After two 10-second flame tests on the sample, the flame extinguishes within 60 seconds. Inflamer can drop.

Q:Introduction to refractory material: Refractory material refers to inorganic non-metallic materials with refractoriness of no less than 1580℃. Refractoriness refers to the centigrade temperature of refractory cone sample in the case of no load when resisting high temperature without softening. But the refractoriness alone cannot descript the refractory material, thus 1580℃ is not absolute. Now refractory material is defined as material used in high temperature allowed by its chemical properties. Refractory material is widely used in metallurgy, chemical industry, petroleum, machinery manufacturing, silicate and power industrial area, of which the application in metallurgy accounts for the largest part of 50% ~ 60% of total output.

Q:Urgent question: could you tell me that the export of refractory materials to Vietnam is to be packed in wooden cases and smoked?: Strictly speaking, as long as there are solid wood packaging, you need to do fumigation inspection, proved not necessarily used, there are IPPC chapters on it.

Q:Which industry does refractory belong to?: It belongs to construction industry.

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