High-efficiency short-process production method and production system for carbonized silica

A high-efficiency short-process production system for carbonized silica, comprising:

• a carbonization assembly, wherein the carbonization assembly comprises a carbonization reaction kettle, a first feed pipe, a second feed pipe, a third feed pipe and a first discharge pipe, wherein the first feed pipe, the second feed pipe, the third feed pipe and the first discharge pipe are communicated with the carbonization reaction kettle;
• the first discharge pipe, the second feed pipe and the third feed pipe are respectively communicated with a bottom of the carbonization reaction kettle;
• the first feed pipe is used for introducing liquid sodium silicate;
• the second feed pipe is used for introducing first steam;
• the third feed pipe is used for introducing carbon dioxide gas, a first aqueous solution is contained in the carbonization reaction kettle, and the liquid sodium silicate and the carbon dioxide form a first slurry in the first aqueous solution, and the first discharge pipe is used for outputting the first slurry;
• a precipitation assembly, wherein the precipitation assembly comprises a precipitation reaction kettle, a fourth feed pipe, a second discharge pipe and a third discharge pipe, wherein a second aqueous solution is contained in the precipitation reaction kettle, the first discharge pipe is communicated with a top of the precipitation reaction kettle, the fourth feed pipe, the second discharge pipe and the third discharge pipe are respectively communicated with a bottom of the precipitation reaction kettle, the fourth feed pipe is used for introducing second steam, and an other end of the second discharge pipe is further communicated with the carbonization reaction kettle, the first slurry forms a second slurry in the precipitation reaction kettle, the second discharge pipe is used for repeatedly introducing the second slurry into the carbonization reaction kettle, and the third discharge pipe is used for outputting the second slurry after precipitation process is completed;
• a cooling assembly, wherein the cooling assembly comprises a cooling reaction kettle, a fifth feed pipe, a fourth discharge pipe and a fifth discharge pipe, wherein the fifth discharge pipe and the fourth discharge pipe are arranged at a bottom of the cooling reaction kettle;
• the third discharge pipe is communicated with the cooling reaction kettle;
• the fifth feed pipe is used for introducing circulating cooling water;
• the fifth discharge pipe is used for outputting the circulating cooling water in the cooling reaction kettle;
• and the second slurry is cooled in the cooling reaction kettle to form a third slurry, the fourth discharge pipe is used for outputting the third slurry;
• a filter assembly, wherein the filter assembly comprises a plate-and-frame filter, a sixth feed pipe and a belt conveyor, wherein the plate-and-frame filter is communicated with the fourth discharge pipe, the sixth feed pipe is communicated with the plate-and-frame filter, the sixth feed pipe is used for introducing hot water, the belt conveyor is arranged at an output end of the plate-and-frame filter, and the third slurry is repeatedly washed and filtered by the hot water in the plate-and-frame filter to form a filter cake, and the belt conveyor is used for receiving the filtered filter cake;
• a drying assembly, wherein the drying assembly comprises a stirring slurry preparation tank, a stirring transition tank and a drying tower, wherein the stirring slurry preparation tank is connected with an output end of the belt conveyor, an output end of the stirring slurry preparation tank is connected with the stirring transition tank, the drying tower is connected with an output end of the stirring transition tank, the stirring slurry preparation tank is used for mixing the filter cake with a third aqueous solution to form a fourth slurry, the stirring transition tank is used for conveying the fourth slurry into the drying tower, and the drying tower dries the fourth slurry to form a silica product.