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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, 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.


Usage

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.

Cast basalt lined steel pipe
Straight pipe draws with flange

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

 


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

1, coal pulverizing system of power plant pipeline, including, powder transmission pipeline, thick powder separator pipeline, coal drop pipe, combustion system of a wind pipe, a secondary air pipe, three pipeline and burner pipelines, in addition to ash slagging system the discharge pipe, powder pipe, dry ash conveying pipe;

2, iron and steel plant raw material conveying pipeline, collecting pipe, dust pipe, ash pipe, ash pipe, mixing pipe, grinding export pipeline, coal pipeline, coal pipeline, separator pipe, burner radius pipe, etc.;

3, cement plant selection machine outlet pipe, choose machine inlet pipe, pipe dust pipe, vertical mill outlet pipe, circulating air duct, high temperature air blower, lower material pipe, etc.;

4, petroleum, chemical, mining, coal, coal washing plant, smelting, paper, aluminum, building materials, powder engineering, food machinery and other processing and conveying material pipe.

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:

1. Under the direction of the arrow diagram for the export direction.
2. Bend radius is usually 1.5-5 times the diameter of steel pipe (1.5-5D).
3. Othe specifications of the compsite pipe can be manufactured accord to the user requirments.
4. The weight is caculate by theoretics, maybe have some tolerance, the real weight will be weigh in afer them finished.

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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Abrasion resistant pipe

Power plant long-term use

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