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

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

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

Raw Materials for Refractory:Specialised Refractory Castables for Burner Tube

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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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's the seal of fireproofing material?: Folded organic putty takes organic material as bond,it has certain flexibility or plasticity while using, and it's products are thick liquid or cement shaped object. Folded WXY-II is powered?solid that takes inorganic materials as main components, it has certain workability while used with admixture. Folded fire retardant bag is the packaged object made by fireproofing material, and it's suitable for fireproofing seal of larger openings or fire separation of cable?bridge(fire retardant bag also refers to fireproof bag) Folded fire retardant module is the solid made by fireproofing material with certain shape and size, and it is easy for cutting and drilling, suitable for fireproofing seal of opening and cable?bridge. Folded seal board is made by fireproofing material, it's easy for cutting and drilling, suitable for fireproofing seal of large opening. Folded foam seal is a kind of fireproofing material that can automatically expand and foam and sealed by opening after injecting the foam into opening. Folded sealing strip is a product or flexibility coiled material mede by fireproofing material with certain geometry shape. Folded sealing gum is a kind of liquid fireproofing material that has a function of fireproofing and sealing. Folded fire retardant bag is soft and windable tape-shaped product made by fireproofing material, it is winded on the external surface of plastic pipe and fixed with steel belt or other proper methods, it's the expansion, squeezing and softening pipe after contacting with fire, opening left by burning or soften of seal plastic pipe. Folded fire retardant ring is the product made by fireproofing material and metal shell, it's covered on the external surface of the plastic pipe, expanding and sealing after contacing with open fire, the opening left by burning and soften of plastic pipe when it passes through the opening of wall and floor.

Q: What are the refractory stocks?: The company produces energy saving, environmental protection type functional refractory materials and unshaped refractory materials. It is the main functional refractory material and unshaped refractory production enterprise in china. Company's products to new green high-quality refractory materials, energy saving and environmental protection as the leading iron and steel industry technological progress and improve the level of technology and equipment to adapt to meet the "development policy" refractories industry to develop industry, has a strong competitive advantage in the market. The main domestic refractory products company can only use part of the products of refractory materials production of iron and steel industry, iron and steel industry production and Pu resistant can be used in the vast majority of refractory products, iron and steel industry with the most complete refractory products. Therefore, the future development of the company is closely related to the prosperity of the iron and steel industry. More than more than 2000 enterprises in refractory industry, the company is the largest supplier of refractory materials in China, and the market share is less than 2%. Iron and steel group integration will inevitably lead to the overall contract cost control, supplier refractory decreases by seventy or eighty to two or three. The company's overall contract accounted for 37% (Montreal 68%), the overall contract increase will enhance the market share and profitability. China's urbanization, industrialization and investment in the 4 trillion infrastructure will stimulate sustained and rapid growth of China's steel demand. Therefore, in the long run, the prospects for the development of refractories for iron and steel are broad.

Q: The mechanism and function of antioxidants in carbon containing composite refractories are briefly described.: 3, the selection principle of antioxidant and its thermodynamic and kinetic mechanism31 selection principles of antioxidants:(1) according to the thermodynamic data and the conditions of use, the possible condensed phase and the vapor pressure of each gas phase are determined;(2) compare the size of each coacervation and oxygen affinity, and the possibility of reaction with CO.(3) the influence of various reactions on the microstructure of brick was analyzed.The thermodynamic and kinetic mechanism of 3.2 antioxidantsFrom a thermodynamic point of view, at the operating temperature, the additives or additives that react with carbon react with oxygen more closely than carbon and oxygen, giving priority to carbon oxidation, thus protecting carbon;From the analysis of dynamics point of view: the compound additive with oxygen and carbon monoxide reaction changed the microstructure of carbon composite refractory materials, such as increasing the density, blocked pores, hinder the diffusion of oxygen and reaction products.

Q: What's the function of aluminium dihydrogen phosphate on the refractories?: Mainly used for binder of high-temperature furnace refractory. Characteristics of liquid aluminum dihydrogen phosphate, castable. solid used for refractory spraying coating, chamotte, ceramic construction, which has high break resistance after being dried in 350-500 ° C, phosphate bricks. Characteristics of the solid aluminum dihydrogen phosphate, binding agent used for castable and casting industry: together with the refractory aggregate, ramming mixes at room temperature: Easy to mix, crush resistance, hydration resistance, chamotte, will not become soft even if soaked or boiling in water, molding. Liquid use refractory spraying coating, mainly used for corundum, chrome corundum water gap in refractory industry. The production of chrome aluminum zirconium corundum brick for water-coal-slurry gasifier is especially suitable for site construction applications mainly used for the electrical industry, high-temperature kiln and furnace, hardener, after mixing between 90-110 ° C for 4-24 hours at a constant temperature, forming strong bonding strength, electrical insulation, heat treatment resistance furnace

Q: How is the fire endurance of the fireproof paint?: This is not specified. It depends on design requirements.The products we made have fireproof endurance ranging from 1 to 4 hours. we have not done any higher.

Q: What kind of refractory bricks material is best?: In general, aluminous fireclay brick is used. GB / T 3994-2005 insulating fireclay brick. Bricks with good material are as follows: high-grade thermal insulation refractory brick, GB/T 3995-2006 high alumina thermal insulation refractory brick. Model is A13, and the texture is aluminium oxide. A13 50u, high grade heat insulating brick B5; intermediate heat insulating brick B2, etc.

Q: What's the heat conductivity coefficient, specific heat capacity and density of the refractory material of magnesite-chrome brick and magnesia-alumina brick respectively?: It is suggested that you find some samples of well-known manufacturers, such as Ogilvy and Mather Group, and that will be more correct.

Q: Who knows the highest temperature the high-temperature refractory coating can resist?: The fire endurance of high temperature fire resistant coating is 3 hours. The fire endurance of fireproof is to go on fire resistance test of any building component according to the time- temperature standard curve, which is the period of time started from being put on fire and ended when losing support function or integrity has been destroyed or losing fire insulation function, expressed in hours. I hope my answer can help you. Thank you.

Q: What kind of refractory decorative board has good quality?: Baby Rabbit has excellent refractory decorative board. It once won the Chinese famous brand, and was awarded iconic brand in plywood industry and the most influential integrated service providers of indoor decoration materials . Fireproof?panel is made from body paper(titanium coated paper, kraft paper) in high temperature and pressure through impregnation technology of melamine and phenolic resin. Refractory door slab is made by sticking fireproof?panel on base materials such as density board or chipboard.

Q: what materials can make external wall fireproofing paint have the fireproofing effect: First, the width of fire barrier is greater than 30CM, and the thickness should be same to the thickness of insulation material. fire barrier zone insulation board must do the whole area sticking construction with the base wall during the construction. fire barrier zone insulation board is required to assistant binding by anchor bolt, anchor bolt must suppress the underlying mesh. fire barrier zone should be set at the upper position of door and window openings, the distance between the low edge of isolation belt and the upper edge of the window must be less than 50cm. When the fire barrier zone is set on the edge of the window, fire barrier zone at the upper part of the window should do flanging when sticking, flanging glass fiber mesh must exceed 10CM than firebreak insulation board. flanging network, underlying network and surface network can not be overlapped or butted at the top of the window. the thermal resistance of fire barrier zone must be half than EIFS thermal resistance in the cold northern areas, while the thermal resistance of fire barrier zone must be three times than EIFS thermal resistance in the hot summer and cold winter area. Cement foam insulation board is recommended to use as external insulation board materials, level A exterior wall cement foam insulation board is a new ultra-lightweight thermal insulation material, with the advantages of lightweight concrete and insulation performance, with characteristics of low production costs, simple process, easy to operate, small product density in 180250kg / m3, high strength, low water absorption and good insulation properties, thermal conductivity of 0.05 ~ 0.07W / m · K and level A non-combustible; it is suitable for external wall insulation and fire isolation belt, and can meet the urgent needs of the market of exterior thermal insulation. With the increase of the intensity of the building fireproofing, the products will become the leading products in building insulation market in the future.

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