沥青焦
- 网络pitch coke
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结果表明,加入粉尘有利于炉渣发泡,炉渣中分别加入5%~10%沥青焦和20%粉尘压块时,其发泡效果最佳。
The test results showed that added dusts was favourable to arc furnace slag foaming , and foaming effect was optimum with adding 5 % ~ 10 % pitch coke and 20 % dusts briquette in slag .
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高温煅烧条件下石油焦和沥青焦的物理结构及其CO2气化特性
Physical structures and co_2 gasification characteristics of petroleum coke and pitch coke at the condition of high temperature calcination
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用交流阻抗法对PAN基碳纤维、石油焦、沥青焦、针状焦进行了嵌锂过程的研究。
Electrochemical intercalation of lithium into PAN based carbon fibers , petroleum coke , pitch coke and needle coke were studied by AC impedance method .
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以沥青焦、煤沥青以及氧化沥青为原料,采用KOH活化法制备高比表面积活性炭。
Activated carbons were prepared from asphalt coke , pitch and oxidated pitch by KOH activation method .
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煤基增碳剂代替沥青焦炼钢的试验研究以沥青焦、煤沥青以及氧化沥青为原料,采用KOH活化法制备高比表面积活性炭。
EXPERIMENTAL STUDY ON USE OF COAL & BASED CARBURETANT IN LIEU OF ASPHALT COKE IN STEELMAKING Activated carbons were prepared from asphalt coke , pitch and oxidated pitch by KOH activation method .
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石油焦和沥青焦在不同循环次数的Rf、Cf、Cd、Rct、σ的变化说明了电极性能不变,阻抗图谱基本不变。
The change of R f , C f , C d , R ct and σ of petroleum coke and pitch coke at different cyclic numbers showed that the performance of electrode and the impedance spectrum did not change .
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在相同的炭化压力40MPa下,中间相沥青焦以层片状结构为主,而普通沥青焦以层片状和葡萄状结构为主。
When the carbonization pressure is 40 MPa , the morphology of mesophase pitch coke is mainly of layered structure and that of normal pitch is layered and grapy structure .
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沥青焦废热锅炉炉管结渣问题的研究
Study on Slagging in Pitch Coke Waste Heat Boiler Tubes
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GB/T3071-1982沥青焦真比重的测定方法
Method for the determination of the true specific gravity of pitch coke
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沥青焦的研究方法及试验设备
Research Methods and Experimental Equipments for Pitch Cokes
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以大庆石油焦代替沥青焦研制高纯石墨的探讨
An approach to the production of high purity graphite using Daqing petroleum coke instead of pitches coke
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本文介绍了世界各国对于沥青焦的实验室研究方法、试验装置和主要结论。
The present paper reviews research methods , experimental equipments and main conclusions for pitch coke in the world .
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该沥青焦经2300℃高温石墨化处理后仍表现出优良的抗氧化性。
After being graphitized at 2 ? 300 ? ℃, its pitch coke demonstrated good oxidation resistance as well .
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中间相沥青焦低压时以小域组织为主,高压时以广域组织和流线型组织为主。
The mesophase pitch coke at low pressure and high pressure are mainly of small domains , domain and flow domain respectively .
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研究了锦州石油焦的性能,结果表明可以用煅后锦州石油焦代替沥青焦生产石墨电极。
Comparing to the electrode from pitch coke , the consumption amount of the electrode during steel making and its production cost are reduced .
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双电层电容器用沥青焦基活性炭的制备工艺条件对其孔结构及电化学性能的影响
Effects of preparation process conditions on the pore structure and electrochemical performance of the pitch coke based activated carbon for electric double layer capacitors
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普通沥青焦在低压时以针状细流线组织为主,高压时以镶嵌型组织和小域组织为主。
The normal pitch coke at low pressure and high pressure are mainly of acicular flow domain anisotropy , mosaics and small domains respectively .
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制备了沥青焦基活性炭,将活性炭分别经水洗、酸洗纯化处理以及气流粉碎处理得超细粉末。
The material was pre-treated by the methods of water and hydrochloric acid washing purification and jet pulverization respectively before prepared as electrodes of EDLCs .
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对宝钢含锌高炉粉尘、转炉二次除尘灰和电弧炉粉尘按不同配比造块与沥青焦粉混合后加入电弧炉熔渣,研究了粉尘和沥青焦加入量对炉渣发泡高度和维持时间的影响。
The effect of adding amount of dusts and pitch coke on slag foaming height and maintaining time has been investigated by adding pitch coke with ZnO bearing blast furnace dust , converter secondary removing dust and arc furnace dust at Baoshan for arc furnace slag foaming .
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活化剂对煤沥青及其沥青焦的改性作用初探
Study on modification effect of activating agents on coal-tar pitch and its coke
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从煤焦油或其他矿物焦油所得的沥青及沥青焦。
Pitch and pitch coke , obtained from coal tar or from other mineral tars .
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其中德士古气化工艺把沥青和石油焦副产品转化为洁净的合成气是实现联产工艺的基础。
The Texaco gasification process , which converts the by products , asphalt and petroleum coke , into clean syngas , is the basis for the realization of the coproduction process .
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型焦制备是回收利用焦炭生产、装运和使用过程中所产生的焦粉的主要方法,煤沥青粘结剂是型焦制备最有效的粘结剂。
The preparation of formed coke is the main method for recycling coke powder generated in the process of production , transportation and use of coke , and coal tar pitch binder is one of the most effective binders for preparation of formed coke .
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初步探讨了活化剂的加入对煤沥青的焦化活性、沥青焦的结构、氧化活性和导电性的影响。
Both the oxidation resistance and the electrical conductivity of the pitch coke can be improved when a suitable amount of activating agent is added in the coal tar pitch .
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煤沥青焦化所生产的沥青焦主要用于生产石墨电极、阳极糊或预焙电极,亦可用于高炉降低所用冶金焦的灰分和硫分,也可作为低污染燃料使用,具有较高经济价值。
Coke made from coal-tar pitch is used in the manufacture of graphite electrodes , anode slurry pre-roasted electrodes and open-hearth furnaces to decrease the ash and sulfur contents of metallurgical coke , and also used as low-pollution fuel . Pitch coke has high economic values .
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添加剂对煤沥青的改性作用及沥青焦性能的影响
Influence of additive on the modification action of coal-tar pitch and on the properties of its pitch coke
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煤沥青流变性和煤沥青对炭素骨料焦浸润性的研究
Study on rheology and soakage of pitch to char aggregates
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原生QI含量高的沥青可导致硬的各向同性的粘结剂沥青焦,该沥青焦热膨胀大,电阻高,导热性差。
A pitch with high content of primary QI leads to a hard , isotropic binder pitch coke with high thermal expension , high electrical resistance and low thermal conductivity .
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将武钢中温沥青和太钢高温沥青在不同压力下炭化,进一步对所得沥青焦进行了高温热处理;
Pitch cokes were prepared by carbonization of pitches from Wuhan Iron and Steel Plant and the Taiyuan Iron and Steel Plant under different pressures and heat treatments .
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含铝添加剂可降低沥青热解过程的表观活化能,催化其热解反应,提高了沥青的产焦率,有利于降低炭素阳极的空气/CO2反应活性;
Al-containing additives can lower the apparent activating energy for pyrogenation process of coal tar pitch , catalysis the pyrogenation reaction , increase the coke yield of binder pitch , so lower the air / CO2 reactivity of carbon anode .