Description:
Ceramic Inner Tube (SCT) is a main component of the NSP preheater in cement kiln, its main function is to strengthen the whirlwind in cyclone and enhance thermal exchange rate between gas and solid.
SCT is silicon carbide product, which has excellent high-temperature resistance, oxidation resistance, outstanding bending strength in high-temperature, and excellent resistant to abrasion, alkaline vapors, sulfur vapors. Through the design of microstructure, stress relief, elasticity modulus and special manufacturing technique, it improved the Sic ceramic's tenacity. Its chemical and physical properties and stable quality ensured by serious online monitoring and super-high temperature reactive sintering process. The bar-type shape provides to install and change very easily.
SCT is an ideal replacement of heat-resistant steel tube. It is completely avoiding the defects in resistance to abrasion and corrosion of heat-resistant steel in high temperature, which is result in short service life around one year, especially the C4 and C5 preheater. SCT assures a service life 2-3 times longer than that of heat-resistant steel and reduces the production cost of cement. Meanwhile, the raw material of SCT is free of chrome, which completely prevents the chrome pollution to the clinker.
Features:
Outstanding abrasion resistance, corrosion resistance and strength in high temperature;
Long service life, reduce the replacement frequency and production cost.
Easy installation and maintenance due to the light weight of ceramics and bar-type shape.
It is safer in installation because of the bar-type shape.
Ceramic design which avoids clogging of the inlet chamber caused by breaking down of the tube.
Excellent integrity is more efficient on separation and heat exchange between gas and solid, which greatly reduce the heat and energy consumption;
Reduce dust emissions and ESP load to be more environmental friendly.
Physical and Chemical Properties:
| Properties |
Typical |
| Bulk Density |
g/cm3 |
3.05 |
| Bending Strength |
20ºC |
MPa |
490 |
| 1400ºC |
470 |
| Thermal Conductivity |
20ºC |
W/m.K |
105 |
| 1000ºC |
43 |
| Rupture Tenacity |
MPa.m1/2 |
5.3 |
| Elasticity Modulus |
GPa |
230 |
| Thermal Expansion |
X10-6/k |
4.3 |
| Thermal Shock Resistance (1200ºC Air) |
cycle |
10 |
Product Application (Installation pocs of STG Cement in Algeria)
Company profile:
Shandong Shengchuan Ceramics Co., Ltd. Founded in 2007 with an area of 22,000 square meters and integrating research, production and sales, the company mainly produces ceramic new material and refractories for cement industry. The main products are ceramic inner tube for preheater, which are used in preheaters of new-type dry-process cement production lines as an alternative to nickel and chromium alloy steel and can realize chrome-free cement production. The products have been applied in over 200 cement production lines domestically, and the annual capacity is 300 sets.
Production facility:
R&D Equipment:
Patented certificate:
FAQ:
Q1: Do you provide free samples?
A1: We can offer you small length of tube for your review. The buyer shall bear all the delivery cost.
Q2: How can you control your quality?
A2: For each production processing, We have complete QC system for it. After production, all the goods will be tested, and the quality certificate will be shipped along with the goods.
Q3: What is your lead time?
A3: Delivery time: Within 30-40 days from the date of receiving the advance payment.
Q4: What is your payment terms?
A4: We can accept 30% deposit, 70% balance to be against the BL copy or by irrevacable L/C at sight.
Q5: Are you a trading company or manufacturer?
A5: We are a manufacturer.And you are welcome to visit us.
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