Lime Knowledge Introduction Lime prices are expensive
Lime should be seen by many people, quicklime, which is often found on our construction sites. He is also called calcium oxide. It is a kind of natural rock whose main component is calcium carbonate, calcined under proper conditions, and the calcium oxide remaining after the removal of carbon dioxide gas. Most people use it as a desiccant. This is a white object and its shape is not fixed. So the lime is expensive? Here's a small series for everyone to introduce the knowledge of lime.
Lime Knowledge Introduction
Quicklime, we often find this kind of thing on our construction site. He is also called calcium oxide. It is a kind of natural rock whose main component is calcium carbonate, calcined under proper conditions, and the calcium oxide remaining after the removal of carbon dioxide gas. Most people use it as a desiccant. This is a white object and its shape is not fixed.
First, traits
Quicklime generally contains overfire lime, and overfired lime matures slowly. If aging occurs after hardening of the lime slurry, swelling and cracking may occur due to expansion caused by ripening. In order to eliminate this kind of hazard of overfired lime, after mature, lime should also be “Chen Fu†for about 2 weeks.
The shape is white (or gray, brown), amorphous, absorbing water and carbon dioxide in the air. Calcium oxide reacts with water to produce calcium hydroxide and releases heat. Soluble in acid water, insoluble in alcohol. Department of inorganic alkaline corrosion products, the national risk regulation number 95006. Quicklime reacts chemically with water and then immediately heats up to 100°C.
Second, use
Quicklime is a commonly used desiccant for the removal of water vapor by chemical absorption. It is also used for the dehydration of iron and steel, pesticides, pharmaceuticals, desiccants, tanning and alcohols. It is particularly suitable for local products such as puffed food, shiitake mushrooms, and fungus, as well as products for instrumentation, medicine, clothing, electronic telecommunications, leather, and textile industries.
Quicklime can be used as a filler for epoxy adhesives. It can also be used to make calcium carbide, soda ash, bleach, and the like. It can be used as a building material in construction and as a cosolvent for metallurgy.
Quicklime can be used as a carrier for drugs, as a soil conditioner and calcium fertilizer, and also as a vegetable oil decolorizer. For the pollution of water that is currently polluted relatively well, quicklime can be used for acidic wastewater treatment.
Quicklime has a good ability to absorb moisture, so it can be used as a deactivator for the boiler. This Ang can keep the metal surface of the boiler dry, which can play a role in preventing corrosion.
Third, pay attention to matters
1. The shorter the operating time is, the better, and it is placed in the appropriate place in the packaging container to play a role in sealing and absorbing moisture.
2, stored in a dry warehouse, moisture, avoid contact with acids.
3, avoid moisture during transport, be careful and light, in order to prevent damage to the package and affect product quality.
4. Do not eat, in case of entrance, seek medical advice immediately. (Remember not to drink water)
Lime prices
Yixing Tianli Chemical Nanotechnology Co., Ltd. is located in Yixing City, Jiangsu Province. The price of quicklime is RMB 400/t.
Zibo Wanliang Environmental Protection Technology Co., Ltd. In Zibo City, Shandong, the price of quicklime is 360 yuan/ton.
Jiande City Xin'anjiang Yonghe Plastic Factory in Jiande City, Zhejiang, lime price is 10 yuan / kg.
Jingye County Xinyang Calcium Industry Co., Ltd. in Jingshu County, Hebei, the price of quicklime is 260 yuan/ton.
Shuangcheng Double Town Xinyuan building materials store in Shuangcheng City, Heilongjiang, the price of lime is 480 yuan / ton.
Jingmen Minghai Environmental Protection Material Technology Co., Ltd. Dongbao District, Jingmen City, Hubei Province, the price of lime is 220 yuan / ton.
The above points are related to the introduction of quicklime knowledge and quicklime prices. We believe that after reading it, we will have a certain understanding, so that everyone will know a lot, if you also There are those who want to know can look on our website.
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