Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Preparation method of honeycomb ceramic carrier
The invention relates to a preparation method of a honeycomb ceramic carrier. The honeycomb ceramic carrier is prepared from the following raw materials: 10-15% of raw kaolin, 15-20% of calcined kaolin, 39-42% of talcum powder, 16-23% of aluminum oxide and 5-10% of quartz powder. 6-8% of an adhesive and 30-40% of a water-soluble additive are added into every 100 parts of the raw material mixture; the raw kaolin and the calcined kaolin are sieved by 300 meshes, the talcum powder is sieved by 280 meshes, and the aluminum oxide is sieved by 300 meshes. The finished product is prepared by the following steps: grading, sieving, mixing, vacuum refining, aging and plasticizing the powder raw materials, extruding by a mold, drying, and sintering at high temperature. The powder raw materials are subjected to graded sieving with different mesh numbers, so that the thermal expansion coefficient of the prepared ultrathin-wall honeycomb ceramic carrier is effectively reduced, the thermal shock resistance is improved, and the honeycomb ceramic carrier can meet the requirements of the national sixth emission standard when being applied to gasoline engines. The method is simple in process operation, low in cost and good in effect, and has very high practicability and wide applicability.
本发明的一种蜂窝陶瓷载体的制备方法，原料包括：生高岭土10‑15%、煅烧高岭土15‑20%、滑石粉39‑42%、氧化铝16‑23%、石英粉5‑10%；每100份原料混合物中再加粘合剂6‑8%，水溶性添加剂30‑40%；生高岭土、煅烧高岭土过筛300目，滑石粉过筛280目，氧化铝过筛300目。粉体原料经分级过筛、混合、真空练制、陈腐塑化后，经模具挤出、干燥、高温烧成后制得成品。通过对粉体原料进行不同目数的分级过筛，有效降低所制备的超薄壁蜂窝陶瓷载体的热膨胀系数，提高抗热冲击性能，使得蜂窝陶瓷载体应用于汽油机可满足国六排放标准的要求。工艺操作简便，成本低，效果好，具有很强的实用性和广泛地适用性。
Preparation method of honeycomb ceramic carrier
The invention relates to a preparation method of a honeycomb ceramic carrier. The honeycomb ceramic carrier is prepared from the following raw materials: 10-15% of raw kaolin, 15-20% of calcined kaolin, 39-42% of talcum powder, 16-23% of aluminum oxide and 5-10% of quartz powder. 6-8% of an adhesive and 30-40% of a water-soluble additive are added into every 100 parts of the raw material mixture; the raw kaolin and the calcined kaolin are sieved by 300 meshes, the talcum powder is sieved by 280 meshes, and the aluminum oxide is sieved by 300 meshes. The finished product is prepared by the following steps: grading, sieving, mixing, vacuum refining, aging and plasticizing the powder raw materials, extruding by a mold, drying, and sintering at high temperature. The powder raw materials are subjected to graded sieving with different mesh numbers, so that the thermal expansion coefficient of the prepared ultrathin-wall honeycomb ceramic carrier is effectively reduced, the thermal shock resistance is improved, and the honeycomb ceramic carrier can meet the requirements of the national sixth emission standard when being applied to gasoline engines. The method is simple in process operation, low in cost and good in effect, and has very high practicability and wide applicability.
本发明的一种蜂窝陶瓷载体的制备方法，原料包括：生高岭土10‑15%、煅烧高岭土15‑20%、滑石粉39‑42%、氧化铝16‑23%、石英粉5‑10%；每100份原料混合物中再加粘合剂6‑8%，水溶性添加剂30‑40%；生高岭土、煅烧高岭土过筛300目，滑石粉过筛280目，氧化铝过筛300目。粉体原料经分级过筛、混合、真空练制、陈腐塑化后，经模具挤出、干燥、高温烧成后制得成品。通过对粉体原料进行不同目数的分级过筛，有效降低所制备的超薄壁蜂窝陶瓷载体的热膨胀系数，提高抗热冲击性能，使得蜂窝陶瓷载体应用于汽油机可满足国六排放标准的要求。工艺操作简便，成本低，效果好，具有很强的实用性和广泛地适用性。
Preparation method of honeycomb ceramic carrier
一种蜂窝陶瓷载体的制备方法
KONG QIUMIN (Autor:in) / CHEN MINGXIANG (Autor:in) / ZHANG RONGSHENG (Autor:in) / KONG LIANGMING (Autor:in) / YANG LE (Autor:in) / HE HONGZHU (Autor:in)
15.11.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
/
B01J
Chemische oder physikalische Verfahren, z.B. Katalyse oder Kolloidchemie
,
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY
/
F01N
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL
,
Schalldämpfer oder Auspuffvorrichtungen für Gase von Kraft- und Arbeitsmaschinen oder von Kraftmaschinen allgemein
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