A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Preparation method and preparation device of calcium hydroxide with high specific surface area
The invention relates to the technical field of preparation of calcium hydroxide with a high specific surface area, and provides a preparation method and a preparation device of calcium hydroxide with a high specific surface area, and the preparation method of calcium hydroxide with a high specific surface area comprises the following steps: 1, selecting high-quality quick lime, knocking and crushing the quick lime, and screening and removing impurities from the quick lime to obtain calcium hydroxide with a high specific surface area; the method comprises the following steps: 1, crushing quicklime, 2, selecting distilled water, and adding a crystal form control agent into the distilled water, 3, digesting and mixing the crushed quicklime and the distilled water added with the crystal form control agent to form calcium hydroxide slurry, and controlling the ash-water ratio to be 0.15-0.17, 4, filtering the calcium hydroxide slurry to remove impurities, and 5, drying the calcium hydroxide slurry subjected to impurity removal, calcium hydroxide powder with the high specific surface area is obtained, and the drying temperature is controlled between 100 DEG C and 120 DEG C; through the technical scheme, the problem of low preparation efficiency of calcium hydroxide with high specific surface area in the prior art is solved.
本发明涉及高比表面积氢氧化钙制备技术领域，提出了一种高比表面积氢氧化钙的制备方法及其制备装置，其中，一种高比表面积氢氧化钙的制备方法包括以下步骤，一、选取优质生石灰，将生石灰进行敲击破碎，并对生石灰进行筛料除杂，二、选取蒸馏水，在蒸馏水内添加晶型控制剂，三、将破碎的生石灰与添加晶型控制剂的蒸馏水进行消化混合形成氢氧化钙浆料，灰水比例控制在0.15‑0.17之间，四、对氢氧化钙浆料进行过滤除杂，五、对除杂后的氢氧化钙浆料进行烘干，获取高比表面积氢氧化钙粉料，烘干温度控制在100℃‑120℃之间。通过上述技术方案，解决了现有技术中的高比表面积氢氧化钙制备效率低的问题。
Preparation method and preparation device of calcium hydroxide with high specific surface area
The invention relates to the technical field of preparation of calcium hydroxide with a high specific surface area, and provides a preparation method and a preparation device of calcium hydroxide with a high specific surface area, and the preparation method of calcium hydroxide with a high specific surface area comprises the following steps: 1, selecting high-quality quick lime, knocking and crushing the quick lime, and screening and removing impurities from the quick lime to obtain calcium hydroxide with a high specific surface area; the method comprises the following steps: 1, crushing quicklime, 2, selecting distilled water, and adding a crystal form control agent into the distilled water, 3, digesting and mixing the crushed quicklime and the distilled water added with the crystal form control agent to form calcium hydroxide slurry, and controlling the ash-water ratio to be 0.15-0.17, 4, filtering the calcium hydroxide slurry to remove impurities, and 5, drying the calcium hydroxide slurry subjected to impurity removal, calcium hydroxide powder with the high specific surface area is obtained, and the drying temperature is controlled between 100 DEG C and 120 DEG C; through the technical scheme, the problem of low preparation efficiency of calcium hydroxide with high specific surface area in the prior art is solved.
本发明涉及高比表面积氢氧化钙制备技术领域，提出了一种高比表面积氢氧化钙的制备方法及其制备装置，其中，一种高比表面积氢氧化钙的制备方法包括以下步骤，一、选取优质生石灰，将生石灰进行敲击破碎，并对生石灰进行筛料除杂，二、选取蒸馏水，在蒸馏水内添加晶型控制剂，三、将破碎的生石灰与添加晶型控制剂的蒸馏水进行消化混合形成氢氧化钙浆料，灰水比例控制在0.15‑0.17之间，四、对氢氧化钙浆料进行过滤除杂，五、对除杂后的氢氧化钙浆料进行烘干，获取高比表面积氢氧化钙粉料，烘干温度控制在100℃‑120℃之间。通过上述技术方案，解决了现有技术中的高比表面积氢氧化钙制备效率低的问题。
Preparation method and preparation device of calcium hydroxide with high specific surface area
一种高比表面积氢氧化钙的制备方法及其制备装置
QI HAOYU (author) / LI XIAOTONG (author) / QI HAOCUN (author)
2024-11-29
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
/
B01D
SEPARATION
,
Trennen
/
B02C
CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL
,
Brechen, Pulverisieren oder Zerkleinern allgemein
/
F26B
DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
,
Trocknen von festen Gütern oder Erzeugnissen durch Entfernen von Flüssigkeit
Preparation method of calcium hydroxide with high specific surface area
| European Patent Office | 2023
| European Patent Office | 2022
High-activity calcium hydroxide with high specific surface area and preparation method thereof
| European Patent Office | 2022
| European Patent Office | 2022
Production method of calcium hydroxide with high specific surface area
| European Patent Office | 2022