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Anonymous users2024-02-071. Climatic factors. Climatic conditions will directly affect the free calcium content of clinker, if the temperature is too low or the humidity in the atmosphere is too high, the free calcium content of clinker will increase. 2. Soil factors.
The pH of the soil directly affects the amount of free calcium in the clinker, and if the pH in the soil is too low, it will lead to an increase in the amount of free calcium in the clinker. 3. Fertilization factors. Improper application of chemical fertilizers can lead to changes in the pH of the soil, which can affect the free calcium content of the clinker.
4. Crop factors. Different crops produce different amounts of clinker free calcium, for example some crops will have high yields and others will have low yields. 5. Time factor.
Over time, the pH value of the soil will also change, which will affect the free calcium content of the clinker. In short, climatic factors, soil factors, fertilization factors, cave crop factors and time factors are all important factors affecting the free calcium content of clinker.
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Anonymous users2024-02-06Summary. The reasons for the high free calcium in the clinker: 1. The saturation ratio of the raw meal is too high, and the firing in the kiln cannot completely absorb it, resulting in high free calcium in the clinker; 2. The liquid phase is insufficient, and the dicalcium and tricalcium cannot be completely dissolved, combined and absorbed, resulting in high free calcium in clinker; 3. The aluminum rate is high, the liquid phase viscosity is high, and the production of viscous bulk material leads to high free calcium in clinker; 4. Low aluminum rate, low liquid phase viscosity, easy crust and egg formation, resulting in high free calcium in clinker; 5. Unstable raw meal, poor homogenization of raw meal, raw material directly into the kiln, high and low resulting in unstable system, difficult calcination, high free calcium of clinker; 6. There are many harmful components in the grinding raw meal, which leads to the formation of circles, eggs or crusts in the kiln, and the instability of the system leads to high free calcium in the clinker.
Good. Hello dear, clinker free calcium exceeds the standard is waste.
How to deal with it.
The reasons for the high free calcium in the clinker: 1. The saturation ratio of the raw meal is too high, and the firing in the kiln cannot completely absorb it, resulting in high free calcium in the clinker; 2. The liquid phase is insufficient, and the dicalcium and tricalcium cannot be completely dissolved, combined and absorbed, resulting in high free calcium in clinker; 3. The rate of aluminum celery is high, the viscosity of the liquid phase is high, and the production of sticky bulk material leads to high free calcium in clinker; 4. Low aluminum rate, low liquid phase viscosity, easy crust and egg formation, resulting in high free calcium in clinker slag; 5. Unstable raw material is milled, poor homogenization of raw meal, raw meal is directly entered into the kiln, and the system is unstable, and the calcination is difficult, resulting in high free calcium in clinker; 6. There are many harmful components in the grinding raw meal, which leads to the formation of circles, eggs or crusts in the kiln, and the instability of the system leads to high free calcium in the clinker.
For the clinker that has been produced with too high free calcium oxide and unqualified stability, some symptomatic methods can be taken to deal with it, and there are often some of the following methods. 1) Mixed material dilution. Add an appropriate amount of active mixed materials to grind the cement together.
Although this method may reduce the cement grade, it is an effective way to eliminate the adverse effects of free calcium oxide. 2) Store for aging. The clinker with high free calcium is stored for a period of time to absorb moisture in the air and dissolve the free calcium oxide; Or spray an appropriate amount of water on the clinker and then store it, and then grind the source cement hail after the free calcium oxide in the clinker is fully digested.
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Anonymous users2024-02-051. The saturation ratio of raw material is too high, and the firing in the kiln cannot be completely absorbed, resulting in high free calcium in the clinker;
2. The liquid phase is insufficient, and the dicalcium and tricalcium cannot be completely dissolved, combined and absorbed, resulting in high free calcium in clinker;
3. The aluminum rate is high, the liquid phase viscosity is high, and the production of viscous bulk material leads to high free calcium in clinker;
4. Low aluminum rate, low liquid phase viscosity, easy crust and egg formation, resulting in high free calcium in clinker;
5. Unstable raw meal, poor homogenization of raw meal, raw material directly into the kiln, high and low resulting in unstable system, difficult calcination, high free calcium of clinker;
6. There are many harmful components in the grinding raw meal, which leads to the formation of circles, eggs or crusts in the kiln, and the instability of the system leads to high free calcium in the clinker.
7. The quality of raw coal is not good or the fineness control is unreasonable, the temperature fluctuation in the kiln is large, and the calcination is difficult, resulting in high free calcium in clinker.
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Anonymous users2024-02-04Hello dear, find for you the change of free calcium oxide after clinker grinding, mainly in its structure and performance. After clinker grinding, the structure of free calcium oxide changes, the powder structure becomes loose, the specific surface area of the shed increases, and the active substances on its surface will also increase, so that its surface is more active, which is conducive to better reaction with other substances. In addition, the solubility of free calcium oxide after clinker grinding will also increase, it is easier to dissolve, and it can combine with other substances more quickly, thus making it more widely used.
In short, the structure and sexual chain deficiency of free calcium oxide after clinker grinding will undergo certain changes and burial, so that it can be used more extensively.
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Anonymous users2024-02-031. When storing in the waste warehouse, when the cement is grinded, it is slowly mixed with the clinker with high quality next to the grinding.
2. Stack it in the stockyard, let it and the moisture in the air and other anti-luck Li Ying, and then match it with good clinker grinding.
Reduce the cost of dust detection and consume it slowly.
3. Return to the kiln for re-firing. It can also be used for scientific research.
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