Cast basalt lined steel pipe

Cast basalt lined steel pipe

After 30 years of practical use proved cast basalt lined steel pipe is a reliable and effective combination of wear—resistant materials. Be used in a variety of transportation of corrosive materials in working condition.

Cast basalt lined steel pipe is consist of steel pipe, cast basalt pipe and the concreteness of cement mortar.

The excellent performance of cast basalt lined steel pipe is that it sets tenacity of steel pipe, abrasive resistance of cast basalt pipe, concreteness of cement mortar in one.

This greatly improves the products adaptive capacity in complicated operation conditions. At the same time. cement mortar is selected as the filling material and this can make the inside surface of steel pipe in alkali mediums. So the surface of steel pipe generates purifying films. These films can prevent being rusted.

The parameters of the outside steel pipe will be decided according to the working pressure of the system.

The connection of the pipes and fitting will be of flange connections, easy—flexible joint connection or by welding.

Cast basalt lined steel pipe
Straight pipe draws with flange
Flange connection is one kind of common pipeline installation connections.

By two pieces of flanges,pipeline,valve,equipments are connected and it forms a tight piping system.

When pipeline pressure is larger, flange connection is priority secection. Flanges have lots of differents sizes.

Flange size is determined according to pipeline normal diameter and pipeline operation pressure.

Comparision Chart

Comparison of Ceramic lines with few other materials under standard conditions :

Material
Thickness(mm)
Approx life ( Months )
Mild Steel
10
3-5
Cast Iron
20
6-8
Ni-Hard
20
12-14
Cast Basalt
30
20-25
Ceramic
10
35-40

Application

Cast basalt lined steel pipe, as both a wear—resistant and corrosion—resistant materials, the transport properties of wear or corrosion of materials, after thirty years of practical verification, cast basalt lined steel pipe can be well done.

  • Tailings pipeline
  • concentrate pipeline
  • pipeline of transporting ore
  • pipe of transporting ash and residue in electric power station
  • pipe for transporting coal—water
  • pipe of sending sand by wind power
  • The concentration of slurry chute
  • edge—milling machine
  • disk feeder
  • slurry chutes

  • blast flush fines chute
  • blast furnace slag ditch
  • raw ore chute
  • funnels of autogenously mill
  • classification return mines chute
  • overflow launder
  • coke—conveying chute
  • saturator
  • acid separator
  • cyclone separator

  • sand mixed machine
  • punch mine ditch in mining industry
  • storage tank mine blast, coke funnel
  • all kinds of chutes, funnels, storage bin andso on.
  • load and unload material chute in fire—resistant industry
  • centrifugal concentrator punch mine launder

  • hydro cyclone
  • precipitator
  • pickling tank
  • slag conveyor
  • mixing machine downhill plate
  • conveying equipments need wear protection

Specifications & size range of ceramic lined pipe

Hoop strength is the resistance against radial pressure. The strength of the ceramic -lined steel composite pipe is 300 to 500MPa.

Wear-resisting comparative table of ceramic lining pipe

Sand injection test 30% Transfer test of sludge with SiO2
Material Volume diminution
(cm3)
Material Volume diminution
(cm3)
Ceamic lining
Steel pipe
0.0022 Ceamic lining
Steel pipe
3
Ceramic pipe
Al2O397%
0.0025 S45C 25

Main Properties of Ceramic

Item Index
Content of Alumina ≥95%
Density ≥3.5 g/cm3
Rockwell Hardness ≥80 HRA
Impact Strength ≥850 Mpa
Bending Strength  ≥290MPa
Breaking Temper ≥4.8MPa·m1/2
Coefficient of Linear Thermal Expansion 20W/m.K

Abrasion
Ceramic layer Ceramic Lined Reducer Pipe with flange reducer Al2O3 content greater than 95% , micro-hardness HV1000-1500, which has a high abrasion resistance, wear resistance than ten times higher than carbon steel after quenching , superior tungsten carbide drill.

Application range

Corrosion

Ceramic materials are neutral , chemically stable , has excellent corrosion resistance and acid resistance , resistant to various inorganic acids, organic acids , organic solvents , and its degree of corrosion of stainless steel is more than ten times.

Temperature

Temperature above 2000celsius degree, long-term work in the range of -50 -900 celsius degree.

Easy welding

Ceramic adjustable tube can be welded , flanged , flexible connectors and other fast way links , very easy to install.

Clean and easy maintenance

Smooth wall, can prevent scaling , fouling, self-cleaning function. Tightness.

Remarks:

Hoop strength is the resistance against radial pressure. The strength of the ceramic -lined steel composite pipe is 300 to 500MPa.



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