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Ceramic Sleeves Lined Pipe
The Ceramic Sleeves Lined Pipe as a whole part, and then assemble it into the steel pipe with our high-strength-temperature-resistant epoxy adhesive.
Please send your inquiry by sales@sunnysteel.com
Description
The Ceramic Sleeves Lined Pipe as a whole part, and then assemble it into the steel pipe with our high-strength-temperature-resistant epoxy adhesive. The pipe consists of three layers: smooth ceramic lining (compact corundum), ceramic and metal transition layer and the outer steel pipe.
Wear resistant alumina ceramic sleeve welded in steel pipes
These ceramic sleeves are identical to the ones we use in our production, so high quality, consistency, and uniformity are assured.
Alumina ceramic specifications
| Items | 92% | 95% |
|---|---|---|
| Al2O3 | ≥92% | ≥95% |
| SiO2 | 0.0451 | 0.028 |
| Fe2O3 | 0.0001 | 0.0001 |
| TiO2 | 0.0005 | / |
| CaO | 0.018 | 0.0045 |
| MgO | 0.011 | 0.0051 |
| K2O | 0.0004 | 0.0003 |
| Na2O | 0.0031 | 0.0063 |
| Volume Density | 3.62 g/cm3 | 3.65 g/cm3 |
| Water Absorption (%) | ≤0.02% | ≤0.02% |
| POROSITY | ≤1 | ≤1 |
| Hardness | 9 Mohs | 9 Mohs |
| Flexural strength | ≥2000 Mpa | ≥2250 Mpa |
| Abrasion | ≤0.02 | ≤0.02 |
The combination of high rigidity of ceramic and high elasticity of steel gives the pipe unmatchable features as an abrasion resistant, heat resistant and corrosion resistant material for use in the fields of power generation, metallurgy, mining, and chemical industry etc. It has many advantages over steel pipes, cast stone pipes, and steel-plastic compound pipes.
Layer size of ceramic sleeve lined pipe
| Item | Material | Thickness | Diameter |
|---|---|---|---|
| Steel pipe | normal carbon steel or stainless steel | 3-10mm | DN30-DN400mm |
| Adhesive | Epoxy adhesive | 2-3mm | |
| Ceramic sleeve | 92%,95%,99% | 5-20mm | DN30-DN400mm |
The most common applications of ceramic sleeve lined pipes
| Industry | Material |
|---|---|
| 1. Abrasive products | Grinding wheel granules |
| 2. Aluminium plants | Calcined alumina, bauxite, electrode, carbon, crushed bath |
| 3. Iron & Steel | Sinter dust, limestone, lime injection, coal, iron carbide, alloy additives |
| 4. Mineral wool & insulation products | Perlite, stone dust, refractory fibers, production wastes, dust from sawing operations |
| 5. Foundries | Molding sand, dust collection |
| 6. Glass plants | Batch, cullet, quartz, kaoline, feldspar |
| 7. Breweries, grain processing, feed mills | Corn, barley, soy beans, malt, cocoa beans, sunflower seeds, rice hulls, malting plants |
| 8. Cement | Clinker dust, limestone, cement, fly ash, coal, blast furnace slag |
| 9. Chemical plants | Caustic lime, fertilizers, lime dust, chrome ore, paint pigments, plastic pallets with glass fi bers |
| 10. Mineral mining plants | Kiln feed, ore concentrate, coal tailings, dust |
| 11. Coal fired power stations | Coal, fly ash, pyrites, slag, ash, limestone |
| 12. Coal mines | Coal dust, mine waste for backfi lling |
| 13. Technical carbon products | Technical carbon, dust, graphite for electrodes |
Ceramic sleeve
Recently 95% alumina ceramic sleeve lined pipes, elbows and T pipes have been largely applied in lithium battery material conveying system. The main raw material of wear resistant ceramic sleeve is a special kind of ceramic with AL2O3 as the and the rare metal oxide as the flux, which is melted by high temperature at 1700 °C. The big diameter ceramic sleeve is always a big problem for the ceramic tube manufacturers since it’s very difficult to control the deformation rate of the ceramic sleeve after it’s sintering. Also It will also need an advanced and big isostatic pressing machine to do this. So it will not only express the company’s production capability, but company’s technology. Right now, our factory have owned both advantages which are wear resistant ceramic pressing facilities and technologies.
In addition, the flatness of ceramic casing is also an important factor affecting the size of lithium battery materials.We did a lot of analysis and improved our manufacturing techniques to solve both of these problems. Now it can help lithium battery delivery systems better solve these problems, with better material purity, longer service life and better economic benefits.
Technical index of wear-resistant ceramic sleeve
| Item | Data | Note |
|---|---|---|
| Al2O3 (%) | ≥95% | |
| Density (g/cm3) | ≥3.65g/cm3 | |
| Strength (MPa) | 1030 | |
| Flexural strength (MPa) | 212 | |
| Impact toughness (Kj/m2) | 10.2 | |
| Hardness (HRV) | ≥85Mpa | |
| Elastic modulus (GPa) | 304 | |
| Expansion coefficient (10-6/℃) | 6.6 | |
| Acid resistance（24H） | Stability | Test solution: 15%H2SO4 |
| Alkali resistance（24H） | Stability | Test solution:NaOH |
Process
Removing rust and decontamination process of outer-layer steel pipe;
Must be in strict accordance with the prescribed ratio, the binder ab accurate measurement, with how many, must be stirred evenly, full stir-mixing must not be less than 4 times, such as adding a mixture of the embedded feed should be mixed with the binder and then add the mixture to stir up not less than 3 times;
The binder is applied evenly on the inner wall of the steel tube to ensure the thickness is not less than 0.5mm thickness. Then apply the binder on the outer surface of the ceramic ring to ensure the thickness between the 0.5mm-1mm. Also in the ceramic ring side (with the ceramic ring contact with the corresponding surface) Daub 0.5mm Adhesive, to ensure that after the installation of the ring and the seal between the ring;
After the installation of the ceramic ring in place, it is necessary to repair the gap between the assembled ceramic rings and mend the joints to ensure the sealing between the ring and the ring;
According to the NPT standard, we process the two pipe ends of male and female thread processing. The end of the pipe processing, and processing 1×45° groove, to prevent on-site installation in the process of cutting the hands of construction workers, do a good job of safety protection measures, thread processing, need to brush oil to protect the thread;
After installing the ceramic ring, check the internal surface of the ceramic ring of the formation, finishing in place, cannot move the position of the pipe, because the binder is not dry, vibration is easily caused by the displacement of ceramic rings, affect the use of the effect of cold weather in winter, binder drying time is longer, need to ensure more than 48 hours.
Technical index of binder
| Item | Data | Characteristics of binder |
|---|---|---|
| Density (g/cm3) | 1.32 |  |
| Compressive strength (MPa) | 40 | |
| Shear Strength MPa | 26 | |
| Impact toughness Kj/m2 | 10 | |
| Hardness HB | 9.5 | |
| Elastic Modulus GPa | 2.2 | |
| Expansion coefficient 10-6/℃ | 20.1 | |
| Softening temperature℃ | 263 | |
| Coking temperature℃ | 335 | |
| Acid resistance（24H） | Stability | Test solution : 15%H2SO4 |
| Alkali resistance（24H） | Stability | Test solution: NaOH |
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.
