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Ceramic silk screen hydrogenation protective agent and preparation method thereof
The invention provides a ceramic screen mesh hydrogenation protective agent and a preparation method thereof, the ceramic screen mesh hydrogenation protective agent comprises a base material, an auxiliary material and an additive, the base material comprises 18-22 wt% of pseudo-boehmite powder, 25-35 wt% of mullite powder, 15-25 wt% of mica powder, 5-15 wt% of zirconia powder, 7-13 wt% of silicon nitride powder and 5-15 wt% of kaolin; the auxiliary material is prepared from 50% of carboxymethyl cellulose, 30% of hawthorn seed powder and 20% of starch; the pseudo-boehmite powder, the mullite powder, the mica powder, the zirconium oxide powder, the silicon nitride powder and the kaolin are used as base materials, so that the density of the ceramic silk screen hydrogenation protective agent is lower, and the compressive strength of the ceramic silk screen hydrogenation protective agent is improved; carboxymethyl cellulose, hawthorn seed powder and starch are mixed with a base material to further improve the compressive strength of the ceramic wire mesh hydrogenation protective agent, and the hawthorn seed powder can be used for producing carbon dioxide and ammonia gas in the heating process, so that the ceramic wire mesh hydrogenation protective agent forms a net-shaped open pore structure; and the impurity adsorption and impurity containing capabilities are improved.
本发明提供了一种陶瓷丝网加氢保护剂及其制备方法，包括基材、辅料和添加剂，所述基材由拟薄水铝石粉18‑22wt％、莫来石粉25‑35wt％、云母粉15‑25wt％、氧化锆粉5‑15wt％、氮化硅粉7‑13wt％和高岭土5‑15wt％组成；所述辅料由50％羧甲基纤维素、30％山楂籽粉和20％淀粉组成；本发明通过利用拟薄水铝石粉、莫来石粉、云母粉、氧化锆粉、氮化硅粉和高岭土作为基材，使陶瓷丝网加氢保护剂的密度更低，从而提高了陶瓷丝网加氢保护剂的抗压强度；通过利用羧甲基纤维素、山楂籽粉和淀粉与基材混合，用以进一步提升陶瓷丝网加氢保护剂的抗压强度，且可以利用山楂籽粉在加热过程中生产二氧化碳和氨气，使陶瓷丝网加氢保护剂的形成网状开孔结构，提高了对杂质的吸附和容杂能力。
Ceramic silk screen hydrogenation protective agent and preparation method thereof
The invention provides a ceramic screen mesh hydrogenation protective agent and a preparation method thereof, the ceramic screen mesh hydrogenation protective agent comprises a base material, an auxiliary material and an additive, the base material comprises 18-22 wt% of pseudo-boehmite powder, 25-35 wt% of mullite powder, 15-25 wt% of mica powder, 5-15 wt% of zirconia powder, 7-13 wt% of silicon nitride powder and 5-15 wt% of kaolin; the auxiliary material is prepared from 50% of carboxymethyl cellulose, 30% of hawthorn seed powder and 20% of starch; the pseudo-boehmite powder, the mullite powder, the mica powder, the zirconium oxide powder, the silicon nitride powder and the kaolin are used as base materials, so that the density of the ceramic silk screen hydrogenation protective agent is lower, and the compressive strength of the ceramic silk screen hydrogenation protective agent is improved; carboxymethyl cellulose, hawthorn seed powder and starch are mixed with a base material to further improve the compressive strength of the ceramic wire mesh hydrogenation protective agent, and the hawthorn seed powder can be used for producing carbon dioxide and ammonia gas in the heating process, so that the ceramic wire mesh hydrogenation protective agent forms a net-shaped open pore structure; and the impurity adsorption and impurity containing capabilities are improved.
本发明提供了一种陶瓷丝网加氢保护剂及其制备方法，包括基材、辅料和添加剂，所述基材由拟薄水铝石粉18‑22wt％、莫来石粉25‑35wt％、云母粉15‑25wt％、氧化锆粉5‑15wt％、氮化硅粉7‑13wt％和高岭土5‑15wt％组成；所述辅料由50％羧甲基纤维素、30％山楂籽粉和20％淀粉组成；本发明通过利用拟薄水铝石粉、莫来石粉、云母粉、氧化锆粉、氮化硅粉和高岭土作为基材，使陶瓷丝网加氢保护剂的密度更低，从而提高了陶瓷丝网加氢保护剂的抗压强度；通过利用羧甲基纤维素、山楂籽粉和淀粉与基材混合，用以进一步提升陶瓷丝网加氢保护剂的抗压强度，且可以利用山楂籽粉在加热过程中生产二氧化碳和氨气，使陶瓷丝网加氢保护剂的形成网状开孔结构，提高了对杂质的吸附和容杂能力。
Ceramic silk screen hydrogenation protective agent and preparation method thereof
一种陶瓷丝网加氢保护剂及其制备方法
YANG HUANGLIANG (author) / ZHOU BI (author) / LIU YANG (author) / QIU ZHENHUA (author) / LIU MIAO (author) / LI LEI (author) / LIU QILIANG (author) / YUAN GANG (author)
2023-10-10
Patent
Electronic Resource
Chinese
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