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The main component of quicklime lump is calcium oxide, which belongs to alkaline oxides, the appearance is white lump. The density is 3.35 g/cm ³ and the texture is hard. Quicklime has strong hygroscopicity and is prone to absorb moisture and carbon dioxide when exposed to air, ultimately producing calcium carbonate (CaCO3). Quicklime reacts violently with water, break into powder and release a large amount of heat.
| Index Name | Standard Requirement | Detection Error | Measured Value | Test Result |
|---|---|---|---|---|
| CaO | ≥90% | - | 92.16 | pass |
| SiO₂ | ≤0.1% | - | 0.02 | pass |
| CaCO₃ | ≤1% | - | 0.45 | pass |
| Al₂O₃ | ≤1% | - | 0.12 | pass |
| Fe₂O₃ | ≤0.1% | - | 0.06 | pass |
| MgO | ≤1% | - | 0.13 | pass |
| Activators | ≥320 | - | 322 | pass |
| Size | 1 - 50mm | - | 1 - 50mm | pass |
| Appearance | white particles | - | white particles | - |
In steel smelting, quicklime lumps are key slag-making materials and are widely used in multiple process links
1.Slagging to remove impurities
During the steelmaking process, impurities in the molten iron (such as SiO₂ (acidic oxide), P₂O₅, S, etc.) need to be removed through slag-forming reactions. Through the slag-making reaction, harmful impurities are separated from the molten iron to improve the purity and performance of the steel.
2.Adjust the alkalinity of the slag
As an alkaline oxide, it directly increases the CaO content in the slag, adjusts the alkalinity to the target range, and the appropriate alkalinity can enhance the slag's ability to capture impurities while reducing the erosion of the furnace lining. Quicklime reacts with the acidic substances in the slag, reducing the corrosiveness of the slag, minimizing the erosion of the alkaline lining, and prolonging the service life of the furnace.
Quicklime Size: 4—10 mm
Quicklime Size: 10—65 mm
Qualification Certificate
Our Advantages
We have our own mine in Hubei Province, which endows us with the following advantages:
Stable Raw Material Supply: Owning our own mine ensures a stable supply of raw materials for calcified substances. This helps to avoid production interruptions caused by issues such as fluctuations in the raw material market and supply shortages. It guarantees the smooth progress of production plans and maintains a stable product output. Our limestone raw materials have a high purity, few impurities and extremely low magnesium content, the product is widely used in various industries.
Controllable Raw Material Quality: Our company can directly manage and monitor the mining process of the mine, and strictly control the quality of raw materials. We are able to select appropriate ore grades and qualities according to production requirements, ensuring that the mined ore meets the high standards of our products. This provides a solid foundation for producing high-quality calcified substance products and helps to enhance the market competitiveness of our products.
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FAQ
Q: Are you a trading company or a factory?
A: We are a factory.We have two factories and a limestone mine.
Q: What are your main products?
A: Calcium oxide, Calcium hydroxide, Light calcium carbonate, Heavy calcium carbonate and Nano calcium carbonate.
Q: What payment methods are supported?
A: T/T、L/C、D/P.
Q: Where is your factory?
A: One factory is located in Changshu, Jiangsu Province, and the other factory is in Jingmen, Hubei Province, welcome to visit us at any time.
Q: Do you provide free samples?
A: Yes.
Q: How do I contact you to purchase a product?
A: Below is our contact information, please feel free to contact us at any time.
