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增碳剂介绍

      增碳剂是炼钢时用的一种添加剂。它是生产优质钢材必不可少的原料。另外，也是生产电极糊的原料。 增碳剂的原料有很多种，生产工艺也各异，有木质碳类，煤质碳类，焦炭类，石墨类等。优质增碳剂一般指经过石墨化的增碳剂，在高温条件下，碳原子的排列呈石墨的微观形态，所以称之为石墨化。石墨化可以降低增碳剂中杂质的含量，提高增碳剂的碳含量，降低硫含量。  

      增碳剂在铸造时使用，可大幅度增加废钢用量，减少生铁用量或不用生铁。电炉熔炼的投料方式，应将增碳剂随废钢等炉料一起往里投放，小剂量的添加可以选择加在铁水表面。但是要避免大批量往铁水里投料，以防止氧化过多而出现增碳效果不明显和铸件碳含量不够的情况。增碳剂的加入量，根据其他原材料的配比和含碳量来定。不同种类的铸铁，根据需要选择不同型号的增碳剂。增碳剂特点本身选择纯净的含碳石墨化物质，降低生铁里过多的杂质，增碳剂选择合适可降低铸件生产成本。

Recarburizer is a kind of additives used in steelmaking. It is necessary for production of high quality steel material. In addition, it is in the production of electrode paste material. Of recarburizer there are many kinds of raw materials, production process is also different, woodiness carbon, coal carbon, coke, graphite class, etc. High quality recarburizer generally refers to after graphitization of carburant, under the condition of high temperature, carbon atoms arranged in the microstructure of graphite, so called the graphitization. Graphitization can lower the content of impurities in the carburant, improve the carbon content of carburant, reduce sulfur content. Recarburizer used in casting, can greatly increase the dosage of scrap steel, reduce the dosage of pig iron or no iron. Electric furnace smelting way of feeding, recarburizer with scrap steel should be burden to put together, such as small doses of adding can choose to add in the hot metal surface. But want to avoid mass feeding into the molten iron, in order to prevent excessive oxidation by carbonization effect is not obvious and the carbon content of the casting is not enough. Increased carbon agent, the dosage according to the ratio of other raw materials and carbon content. Different kinds of cast iron, according to need to choose different types of recarburizer. Choose recarburizer characteristics itself pure carbon graphite material, reduce too much impurity in the iron, carburant choose appropriate which can reduce the cost of castings.

 

增碳剂特点

     1、高固定碳，吸收率高，低硫低氮，并在吸收速度上快于同类石墨化增碳剂，且不吸附炉壁，完全吸收无残留，价格低于同类硫低于0.05以下的石墨化增碳剂，性价比较高。

     2、吸收率高, 根据使用方法吸收率较高能达到90以上.。

     3、吸收速度快,比 同类石墨化增碳剂吸收速度快，不吸附炉壁，且无残留，炉中增碳吸收速度优势更加明显。

     4、硫份低， 0.05以下，较低0.02。氮份低，100ppm以下。

     5、超高的性价比，综述上述在同类石墨化增碳剂中（硫0.05）价格较优优势。 

     6、效益影响：石墨增碳剂为您降低成本，提高产品质量。

     7、原材料可增加废钢用量，减少生铁用量或不用生铁，有效避免生铁的遗传性对铸件的影响。 

     8、含硫低，稳定可靠，有效节约硫在球化和孕育过程中对合金的不利影响，节省合金费用。 

     9、由于熔点低，吸收快，不反渣，可以有效保护和延长炉龄，减少炉衬消耗。

     10、化学成分纯净：高碳、低硫、微氮，杂质少 。

     11、物理形态：外观洁净、无杂质，多孔隙结构，吸收速度快，吸收率高 。

     12、微观形态：晶体度质量优，有效提升铸件铸铁牌号和性能 。     

     13、产品性质稳定：增碳效果稳定，吸收效果好，提温效果明显，不返渣。

1, high fixed carbon, high absorption rate, low sulfur, low nitrogen and the absorption rate faster than the same kind of graphitization carburant, adsorption furnace wall, and not fully absorbed no residue, price is lower than the similar sulfur is lower than 0.05 following the graphitization of carburant, highest performance-to-price ratio.

2, high absorption rate, according to the method of use highest absorption rate can reach more than 90..

3, absorption speed, than the same kind of graphitization recarburizer fast absorption, adsorption of furnace wall, and no residual, furnace carbon absorption speed advantage is more obvious.

4, low sulfur, below 0.05, the lowest 0.02. N a low, 100 parts per million.

5, high cost performance, review the above in the same kind of graphitization recarburizer (0.05) or less sulfur price the best advantage.

6, benefit influence: graphite recarburizer for you to reduce costs, improve product quality.

7, the dosage of raw materials can increase the scrap steel, reduce the dosage of pig iron or no iron, effectively avoid the genetic influence on casting of cast iron.

8, low sulfur, stable and reliable, saving the sulfur in the process of spheroidization and inoculation on the negative impact of the alloy, saves the cost of alloy.

9, because of the low melting point, absorb quickly, no residue, can effectively protect and prolong furnace life, reduce the waste of lining.

10, chemical composition and pure: high carbon, low sulfur, nitrogen, less impurity.

11, physical form, clean appearance, no impurities, pore structure, fast absorption, high absorption rate.

12, micro morphology, crystal quality, effectively improve the casting iron brand and performance.

13, stable product properties: increases the effect of carbon is stable, good absorption effect, temperature effect is obvious, slag does not return.

 

增碳剂指标

 

项目	指标	项目	指标
挥发分	0.5	硫	0.05
水分	0.5	氮	0.03 （300ppm）
固定碳	95	灰分	0.5

 

 

增碳剂应用

    在冶炼过程中，由于配料或装料不当以及脱碳过量等原因，有时造成钢中碳含量没有达到顶期的要求，这时要向钢液中增碳。常用的增碳剂有增碳生铁、电极粉、石油焦粉、木炭粉和焦炭粉。转炉冶炼中、高碳钢种时，使用含杂质很少的石油焦作为增碳剂。对顶吹转炉炼钢用增碳剂的要求是固定碳要高，灰分、挥发分和硫、磷、氮等杂质含量要低，且干燥、干净、粒度适中。

    其固定碳组分为：w(C)>96，挥发分1.0，w(S)0.5，w(水分)0.55，粒度为1一5mm.粒度酞细容易烧损，酞粗加入后浮在钢液表面，不容易被钢水吸收。针对感应电炉的颗粒度在0.2-6mm，其中钢和其他黑色金属颗粒度1.4-9.5mm，高碳钢要求低氮，颗粒度在 0.5-5mm，等等具体需要根据具体的炉型冶炼工件的种类等等细节具体判断和选用。

In the process of smelting, due to the ingredients or improper loading and decarburization too much wait for a reason, sometimes the content of carbon in steel the top stage did not meet the requirements, then to increase carbon in liquid steel. Commonly used recarburizer increase with pig iron, carbon electrode powder, petroleum coke powder, charcoal powder and coke powder. , high carbon steel in converter smelting, use little impurities in the petroleum coke as recarburizer. Requirement for ld converter steelmaking with carburant are fixed carbon, ash content, volatile matter and sulfur, phosphorus, nitrogen and other impurities content is lower, and a dry, clean, moderate granularity.

The fixed carbon group is divided into: w (C) > 96, the volatile 1.0 or less, w (S) of 0.5 or less, w (moisture) 0.55 or less, particle size of 1 a 5 mm. Fine granularity is too easy to loss, too thick float in molten steel surface, after China's entry into wto is not easy to be absorbed by the molten steel. For particle degree of the induction furnace in 0.2 -- 6 mm, including steel and other ferrous metal particle size 1.4 9.5 mm, high carbon steel for low nitrogen, in 0.5 5 mm, the particle size and so on specific needs and so on according to the types of specific type furnace smelting artifacts details specific judgment and selection.

 

联系方式

上海松承环保科技有限公司

地  址： 中国上海市奉贤区青村镇奉村路

 程帆

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Q    Q： 2568620560

邮  箱:  2568620560@qq.com

Shanghai loose on environmental protection technology co., LTD

Address: China Shanghai fengxian green town village road

Contact: Deng Lan

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Q Q: 2568620560

Mail box: 2568620560 @qq.com

 

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