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Preparation process of high-performance calcium carbonate for desulfurization
The invention discloses a preparation process of high-performance calcium carbonate for desulfurization, which comprises the following steps: step 1, preparing materials including limestone, water, a crystal form control agent, a surface dispersant and a surfactant; 2, calcining: calcining the limestone to generate calcium oxide and carbon dioxide; step 3, preparing emulsion: putting calcium oxide into a container, and adding water into the container to generate calcium hydroxide emulsion; 4, preparing slurry: introducing carbon dioxide gas generated in the calcining process, and adding a crystal form control agent to obtain the slurry; 5, grinding: putting the slurry into grinding equipment, and adding a surface dispersant and soluble carbonate into the grinding equipment; the invention has the following beneficial effects: by using the crystal form control agent, the surface dispersant and the surfactant, the desulfurization performance is improved, and the desulfurization effect is better; carbon dioxide gas generated in the calcining process is introduced, so that emission of carbon dioxide is reduced, and environmental pollution is reduced.
本发明公开了一种高性能脱硫用碳酸钙制备工艺,所述制备工艺如下:步骤一:材料准备,材料包括石灰石、水、晶型控制剂、表面分散剂、表面活化剂;步骤二:煅烧:石灰石进行煅烧,生成氧化钙和二氧化碳;步骤三:乳液:氧化钙置于容器中,并向容器中加入水,生成氢氧化钙乳液;步骤四:浆液:通入煅烧过程中产生的二氧化碳气体,并加入晶型控制剂,得到浆液;步骤五:研磨:浆液置于研磨设备中,并向研磨设备中加入表面分散剂以及可溶性碳酸盐;本发明的有益效果是:晶型控制剂、表面分散剂、表面活化剂的使用,提高了脱硫性能,使得脱硫效果更好;通入煅烧过程中产生的二氧化碳气体,减少了二氧化碳的排放,减小了环境污染。
Preparation process of high-performance calcium carbonate for desulfurization
The invention discloses a preparation process of high-performance calcium carbonate for desulfurization, which comprises the following steps: step 1, preparing materials including limestone, water, a crystal form control agent, a surface dispersant and a surfactant; 2, calcining: calcining the limestone to generate calcium oxide and carbon dioxide; step 3, preparing emulsion: putting calcium oxide into a container, and adding water into the container to generate calcium hydroxide emulsion; 4, preparing slurry: introducing carbon dioxide gas generated in the calcining process, and adding a crystal form control agent to obtain the slurry; 5, grinding: putting the slurry into grinding equipment, and adding a surface dispersant and soluble carbonate into the grinding equipment; the invention has the following beneficial effects: by using the crystal form control agent, the surface dispersant and the surfactant, the desulfurization performance is improved, and the desulfurization effect is better; carbon dioxide gas generated in the calcining process is introduced, so that emission of carbon dioxide is reduced, and environmental pollution is reduced.
本发明公开了一种高性能脱硫用碳酸钙制备工艺,所述制备工艺如下:步骤一:材料准备,材料包括石灰石、水、晶型控制剂、表面分散剂、表面活化剂;步骤二:煅烧:石灰石进行煅烧,生成氧化钙和二氧化碳;步骤三:乳液:氧化钙置于容器中,并向容器中加入水,生成氢氧化钙乳液;步骤四:浆液:通入煅烧过程中产生的二氧化碳气体,并加入晶型控制剂,得到浆液;步骤五:研磨:浆液置于研磨设备中,并向研磨设备中加入表面分散剂以及可溶性碳酸盐;本发明的有益效果是:晶型控制剂、表面分散剂、表面活化剂的使用,提高了脱硫性能,使得脱硫效果更好;通入煅烧过程中产生的二氧化碳气体,减少了二氧化碳的排放,减小了环境污染。
Preparation process of high-performance calcium carbonate for desulfurization
一种高性能脱硫用碳酸钙制备工艺
SUN LICHUN (author)
2023-06-06
Patent
Electronic Resource
Chinese
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