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Preparation method of catalytic ceramic filter tube
The invention discloses a preparation method of a catalytic ceramic filter tube, and belongs to the technical field of pollutant purification, the preparation method comprises the following steps: step 1, dipping a ceramic filter tube matrix in a catalyst slurry, vacuumizing to 0.05-0.1 MPa, starting timing, continuously vacuumizing for 5-10 min, recovering normal pressure, repeating for 2-3 times again, and then taking out the ceramic filter tube matrix, so as to obtain a ceramic filter tube substrate; carrying out vacuum drying at 60-80 DEG C for 10-15 hours, heating to 400-500 DEG C at a speed of 2 DEG C/min, and carrying out heat preservation for 4 hours, so as to obtain a catalytic ceramic filter tube matrix; step 2, dipping a catalytic ceramic filter tube matrix in the modified silicon carbide slurry for 4-6 hours, taking out the catalytic ceramic filter tube matrix, air-drying the catalytic ceramic filter tube matrix at 60-80 DEG C, heating the catalytic ceramic filter tube matrix to 900-1100 DEG C at a heating rate of 1-2 DEG C/min, preserving heat for 1-2 hours, and naturally cooling to room temperature; the prepared catalytic ceramic filter tube can effectively improve the dust retention rate while realizing low-temperature catalytic denitration.
本发明公开了一种催化陶瓷滤管的制备方法，属于污染物净化技术领域，所述制备方法包括以下步骤：步骤1、将陶瓷滤管基体浸渍于催化剂浆料中，抽真空至0.05‑0.1MPa，开始计时，持续抽真空5‑10min，恢复常压，再次重复2‑3次后取出陶瓷滤管基体，于60‑80℃真空干燥10‑15h，以2℃/min升温至400‑500℃保温4h，得到催化陶瓷滤管基体；步骤2、将催化陶瓷滤管基体浸渍于改性碳化硅浆料中4‑6h后，取出于60‑80℃风干，再以1‑2℃/min的升温速率升温至900‑1100℃保温1‑2h，自然冷却至室温；制备得到的催化陶瓷滤管能够实现低温催化脱硝的同时有效提高粉尘截留率。
Preparation method of catalytic ceramic filter tube
The invention discloses a preparation method of a catalytic ceramic filter tube, and belongs to the technical field of pollutant purification, the preparation method comprises the following steps: step 1, dipping a ceramic filter tube matrix in a catalyst slurry, vacuumizing to 0.05-0.1 MPa, starting timing, continuously vacuumizing for 5-10 min, recovering normal pressure, repeating for 2-3 times again, and then taking out the ceramic filter tube matrix, so as to obtain a ceramic filter tube substrate; carrying out vacuum drying at 60-80 DEG C for 10-15 hours, heating to 400-500 DEG C at a speed of 2 DEG C/min, and carrying out heat preservation for 4 hours, so as to obtain a catalytic ceramic filter tube matrix; step 2, dipping a catalytic ceramic filter tube matrix in the modified silicon carbide slurry for 4-6 hours, taking out the catalytic ceramic filter tube matrix, air-drying the catalytic ceramic filter tube matrix at 60-80 DEG C, heating the catalytic ceramic filter tube matrix to 900-1100 DEG C at a heating rate of 1-2 DEG C/min, preserving heat for 1-2 hours, and naturally cooling to room temperature; the prepared catalytic ceramic filter tube can effectively improve the dust retention rate while realizing low-temperature catalytic denitration.
本发明公开了一种催化陶瓷滤管的制备方法，属于污染物净化技术领域，所述制备方法包括以下步骤：步骤1、将陶瓷滤管基体浸渍于催化剂浆料中，抽真空至0.05‑0.1MPa，开始计时，持续抽真空5‑10min，恢复常压，再次重复2‑3次后取出陶瓷滤管基体，于60‑80℃真空干燥10‑15h，以2℃/min升温至400‑500℃保温4h，得到催化陶瓷滤管基体；步骤2、将催化陶瓷滤管基体浸渍于改性碳化硅浆料中4‑6h后，取出于60‑80℃风干，再以1‑2℃/min的升温速率升温至900‑1100℃保温1‑2h，自然冷却至室温；制备得到的催化陶瓷滤管能够实现低温催化脱硝的同时有效提高粉尘截留率。
Preparation method of catalytic ceramic filter tube
一种催化陶瓷滤管的制备方法
WANG ZIHENG (author) / WANG HONGMING (author) / CUI DENG (author) / ZHANG KUN (author)
2024-08-30
Patent
Electronic Resource
Chinese
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