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95% porcelain ceramic wear-resistant tube
The High-quality alumina ceramic wear-resistant pipe is composed of three layers: outer steel pipe layer, corundum layer and ceramic adhesive layer. From the surface, the internal ceramic layer is white. Ceramics are generally 95 ceramics, and the temperature is generally lower than 200 ℃.
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Description
The inner ceramic composite pipe is composed of three layers: outer steel pipe layer, corundum layer, and ceramic glue layer. The High-quality alumina ceramic wear-resistant pipe is composed of three layers: outer steel pipe layer, corundum layer and ceramic adhesive layer. From the surface, the internal ceramic layer is white. Ceramics are generally 95 ceramics, and the temperature is generally lower than 200 ℃. Ceramic tile lining burners for power plants are made of special corundum wear-resistant ceramic sheet lined in the inner wall of industrial elbow with special high temperature resistant super glue, which can solve thermal power, metallurgy, steel, cement and other industries. Ceramic tile lining burners for power plants are composed of three layers: outer steel pipe layer, corundum layer, and ceramic glue layer. The inner ceramic layer is white from the surface. The ceramic is generally 95% ceramic, and the temperature is generally below 200°C.
At present, the common ceramic sheets lined with ceramic composite pipes are: ceramic block, dovetail mutual pressure, welding type, mosaic, card slot and so on.It has the characteristics of wear resistance and long service life.
Abrasion resistant ceramic lined pipe, Abrasion Resistant Lined Pipe and Elbow, Wear Resistant Alumina Ceramic Cone
The integral ceramic tube is the ceramic pipe fittings as a whole after firing, with a special filling material will be poured in the steel pipe internal assembly. The pipe wall is smooth, good sealing, with good wear resistance, corrosion resistance.
Abrasion resistant ceramic tile lined steel pipes are composed by steel pipe, adhensive and abrasion-resistant ceramic, we use 20 # seamless steel pipes shaping with hot bending (it is different from centrifugal casting or steel plate rolling), the ceramic tiles bonding with GWJ-350 high temperature-resistant inorganic adhesive which was developed by TsingHua University and to affix abrasion-resistant ceramic in the steel pipes, we use miss match installation instead of directly bonding (this technology was used in the bridge building a thousand years ago), and forms a firm wear-resistance layer after heating solidification. Abrasion resistant ceramic tile lined steel pipes are applicable for the pneumatic powder-feeding, and can be used under a temperature of 350℃without aging and peeling for long life. The service life is 4-5 times than the normal abrasion-resistant pipes.
Advantage
- Super wear-resistant, high density: we use 95% of chromium corundum, 100 tons dry-pressing.
- Elbows formed by hot-bending, the outside of the bending part are seamless which is wear-resistant and can prolong the service life.
Firmly bonding without pealing: we use epoxy adhesive and miss-match installation technology, so that there is no straight-seam. - High temperature and ageing resistance: we abandon the traditional organic bond, and use inorganic bond which is ageing resistance.
High pressure resistance: We use 20# seamless steel pipe, which is high pressure resistance and avoiding welding leakage. - The pipe with smooth inner wall which can make the materials flow smoothly: we use seamless steel pipes which has smooth inner wall that can reduce weariness, and the height tolerance of ceramics is below 0.5mm.
Application Guidance
- Avoid welding on site, the welding layer should be 30mm above the ceramic layers; according to our experiences, if you need a shot welding (for example spot welding) or must welding, watering after welding, which will reduce the damage of adhesive layer.
- Avoid striking and throwing the pipes during transportation and installation.
- To achieve the best abrasion-resistant solutions, thicken ceramic liners can be used in the elbow which has serious abrasions.
Features
Ceramic tile lined pipe is our company to absorb similar products at home and abroad on the basis of advanced technology developed a shell for the steel body, within the wear-resistant ceramic tube of the new composite pipe products, with high wear resistance long service life And so on
The use of anti-off porcelain tube, porcelain tube mosaic, so that paste more flat, more solid with a strong inorganic adhesive paste, wear-resistant steel bowl welding, porcelain and steel body combined to form a double reinforcement to ensure that the porcelain tube does not fall off. The installation of flexible, high wear resistance, processing convenience, the cost is moderate.
High hardness
Rockwell hardness of high alumina ceramics is up to HRA80-90 which is second only to diamond and far exceeds wear-resistant steel stainless
Excellent wear resistance
The wear resistance of high alumina ceramics is 266 times that of manganese steel and 171.5 times that of high chromium cast iron. According to our investigation & follow-up to the clients, the service life of equipment can be prolonged over 10 times under the same working conditions.
Corrosion resistance
High alumina ceramics are inorganic oxides with extremely stable molecular structure and no electrochemical corrosion, thus they can resist erosion of acid, alkali, salt solutions and organic Solvents.
Thermostability
Working temperature of high alumina ceramics can be as high as 1400℃.
Good self-lubricity
High alumina ceramics have the properties of self-lubricity and in adhesion, the roughness is only 1/6 that of steel pipes thus less flow Resistance.
Light weight
The density of high alumina ceramics is about 3.6g/cm3, which is only half that of steel, thus easy for construction and installation.
Technology and structure of ceramic tile lined pipe
Ceramic tile lined pipe is composed of three layers: outer steel pipe layer, corundum layer, and ceramic glue layer. The inner ceramic layer is white from the surface. The ceramic is generally 95% ceramic, and the temperature is generally below 200°C.
At present, the common ceramic sheets lined with ceramic composite pipes are: ceramic block, dovetail mutual pressure, welding type, mosaic, card slot and so on. It has the characteristics of wear resistance and long service life.
Performance
- Large hardness
Rockwell hardness HRV 80-90 - High wear resistance
Wear resistance is equivalent to 20-30 times of high manganese steel. - Light weight
Its density is 3.9g/cm³, which is only half that of steel, which can greatly reduce the equipment load - Imported glue
Magbao imported glue, bonding strength: 10Mpa, working temperature: -60℃ to +250℃, welding type, wear resistance up to 800℃.
Specifications
- Pipe diameter: ≥DN100
- Steel pipe thickness: ≥4mm
- Steel pipe material: Q235 or stainless steel
- Ceramic thickness: 4mm, 6mm, 8mm, 10mm, etc.
- Connection method: flange, welding, casing, V-connector
- Working pressure: ≤1.0 MPa (other pressures need to be communicated with customer service)
Ceramic tile technical indicators
- Ceramic marking: 92-95
- Bulk density: 3.9g/cm³
- Tensile strength: 1030MPa
- Flexural strength: 212MPa
- Hardness HRV: 80-90
Basic principles
Bimetallic composite steel pipe basic principles: outside the tube is responsible for the pressure and the role of rigid support pipe, liner bear the role of corrosion resistance.
The outer tube can be used according to the flow and pressure requirements of the conveying medium, choose the carbon steel pipe with different diameter and wall thickness, hot-dip galvanized steel pipe, straight seam welded pipe, spiral pipe, low pressure medium pipe, high pressure boiler, Oil cracking with seamless pipe, pipe and so on. Diameter from φ20-φ1020mm, wall thickness from 2.5-50mm.
Can be austenitic stainless steel 304,304 L, 316,316 L, copper-based alloy, nickel-based alloy, Hastelloy, titanium, titanium alloy, duplex stainless steel and other new high corrosion resistance alloy material. The lining wall thickness can be based on service life and welding process requirements from 0.3-4mm.
Will be assembled inside and outside the tube placed in the sink, the cluster of explosives placed in the lining liner axis, through the explosive instantaneous production of explosive force, causing the water pressure within the tank increased instantaneously, instantaneous increase in water pressure, Tube in the direction of outward expansion, outward expansion of the liner under the action of water pressure, the expansion of the outer surface of the outer tube, and under the action of water pressure, with the external tube continued to expand until the pressure disappeared ; And the outer tube in the axial direction inward contraction, the final composite forming.
Process
The ceramic tile is pasted on the steel pipe with high temperature wear-resistant glue to play a wear-resistant role, and the pipe is generally white. Generally used for large diameter pipes.
Bends and other profile sections can be clad in whole and this process has changed the traditional practice to fabricate bend and other profile sections by drawing polyline without changing flow pattern of material inside piping, greatly reducing conveyance resistance of material.
Production requirements for the process of pasting tiles on the inside of steel pipes
The ceramic tiles are pasted to the inner wall of the steel pipe with high temperature wear-resistant glue to play a wear-resistant role.| No. | Process | Standard | Inspection |
|---|---|---|---|
| 1 | Cleaning the inner surface of the fitting | Clean up all the rubbish and floating ash on the inner surface of construction equipment and pipe fittings. | Checked by the construction supervisor. |
| 2 | Rust removal, oil removal, paint removal | The rust, grease, and paint on the bonding surface must be completely removed without leaving any traces. Use iron sand skin, angle grinder, and soft sand skin to polish to see the metallic luster. After cleaning, wipe the surface with a cloth until there is no trace of dirt. | After the inspection and acceptance by the quality inspector, the construction of the next process can be carried out. |
| 3 | Formulated Adhesives | It must be measured in strict accordance with the prescribed proportion, and how much should be used; it must be stirred evenly, and the overall mixing should not be less than 4 times; if the mixed embedded material is added, the binder must be mixed well before adding the mixture and mixing Not less than 3 times. | Assigned by designated personnel. |
| 4 | Repair of the adhesive surface | If there are potholes on the pasting surface, especially if there are large potholes on the pasting surface of the old equipment, the wear-resistant ceramic sheet must be gradually filled with embedded materials. | After the inspection and acceptance by the quality inspector, the construction of the next process can be carried out. |
| 5 | Paste wear-resistant ceramic tiles | There should be no dust or dirt on the surface of the ceramic tiles. The surface of the repaired inlay material must be leveled. The pasting surface must be wiped again. Scrape the adhesive on the pasting surface for 1-2 times and scrape it flat. Scrape the back of the ceramic sheet for 1 It is necessary to ensure that there is a certain thickness of uniform adhesive available for pasting. | Checked by the person in charge of the construction of the pasted ceramic tiles. |
| 6 | Repair of gaps and corners between ceramic tiles | The gaps exceeding 3 mm must be repaired with wear-resistant and anti-corrosion fillers, the edges and corners must be neat, and the bevels must be trimmed with special ceramic tiles and then filled with fillers. | After the repair, the person in charge of the construction and the quality inspector will conduct a comprehensive quality inspection, and submit it to Party A for acceptance after passing the inspection. |
| 7 | Maintenance time | After construction and repair are completed, it can be put into use after natural maintenance for more than 12 hours after acceptance by Party A. |
Inquiry
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FAQ
Q: How long is your delivery time?
A: The delivery time of customized products is generally 25 35 days, and non customized products are generally shipped within 24 hours after payment.
Q: Do you provide samples? Is it free?
A: If the value of the sample is low, we will provide it for free, but the freight needs to be paid by the customer. But for some high value samples, we need to charge a fee.
Q: What are your payment terms?
A: T/T 30% as the deposit,The balance payment is paid in full before shipment
Q: What is the packaging and transportation form?
A: Non steaming wooden box and iron frame packaging. Special packaging is available according to customer needs. The transportation is mainly by sea.
Q: What is your minimum order quantity?
A: There is no minimum order quantity requirement. Customized products are tailor made according to the drawings provided by the customer.
