Fire-proof clay brick

Clay brick is formed through high temperature sintering which is made up of high quality clay and high alumina , it has characteristics of high refractoriness and good thermal shock resistance which is widely used in the back-end gas flue of CFB boiler.

Fire-proof clay brick

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CFB Boiler DFNZ(GON-40) Clay brick

Technical performance index:

Project and Grade Argillic(DFNZ-B) Clay special-shaped brick(DFNZ-Y)
Al2O3 % 45 45
Refractoriness ℃ 1750 1730
0.2Mpa refractoriness-under-load ℃ 1400 1350
reheating linear change rate(%) 1400℃×2h +0.1 +0.1
apparent porosity(%) 22 24
thermal shock resistance900℃ water cooling (each time) 20 20
compression strength under normal temperature Mpa 50 40
Usage part Economizer furnace wall

Remark: We could adjust technical performance index according to client’s working condition.

Characteristics :

  • Low thermal conductivity
  • Low impurity content
  • High strength
  • Excellent resistance to thermal shock
  • Resistance to erosion
  • High accuracy of dimension

Application:

  • Iron&steel making industry: Blast furnace,hot blast furnace(stove),pellet shaft furnace,hot metal ladle,steel ladle, tundish,heating furnace,soaking pit furnace,heat treatment furnace,refining furnace,reheating furnace,metal mixter furnace,annealing furnace, cupola furnace,electric arc furnace,induction furnace,AOD furnace,VOD furnace,etc thermal technology equipment.
  • Non-ferrous Metal industry: Smelting furnace,refining furnace,reverberatory furnace,converter furnace.
  • Building materials industry: Cement kiln,glass kiln,ceramic kiln,lime kilns,kiln car,tunnel kiln
  • Energy & Incineration: Coke oven,general boiler,power,generation,boiler,circulating fluidized bed boiler,electric furnace,carbon roasting furnace,waste incinerators.
  • Others: Petrochemical industry furnace

Our competitive Advantage:

1.Competitive Price. Make the products competitive in your market.

2.Abundant Experience. Prevent cracks and twist in bricks.

3.Different Moulds. Save mould fees for you.

4.Lower ferric Oxide,porosity,higher refractoriness,density,higher CCS and exact tolerance.

5.Strict Quality Control. Meet clients’ quality requirement.

6.Safety packing,prompt delivery time,and excellent after-sales services.

7.Large stocks. Guarantee prompt delivery.

8.Professional Packing. Avoid damage and secure the goods in transportation


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Shipping
1.FEDEX/DHL/UPS/TNT for samples.
2.By Sea for batch goods.
3.Customers specifying freight forwarders or negotiable shipping methods!
4.Delivery Time:3 days for common shape samples;15 days for special shape samples.Within 30 days for batch goods.

Payment Terms
1.Payment: T/T, Western Union,LC; Usually 30% paid by T/T as deposit,the rest 70% balance paid by T/T before delivery .
2.MOQ: Usually 1Tons,Customers can order certain PCS for special brick.
3.Quality Warranty: 3years.

Package Information
1.On wooden pallets with plastic cover.
2.According to customer’s requirements.

Contact Us Now! Please send your inquiry in the form below . we will reply you as soon as possible.