| abstract |
The invention relates to the technical field of cement kilns, and provides an external combustion type cement kiln carbon dioxide capture system, including a rotary kiln, the rotary kiln includes a kiln head, a kiln tail and a drum, and also includes: a burner and a blower, the burner is sleeved on A combustion chamber is formed on the drum and between the drum; a carbon capture device, the carbon capture device includes a first reactor and a second reactor, and both ends of the first reactor are respectively provided with a first inlet and a second reactor which are communicated with the inside thereof. an outlet, the two ends of the second reactor respectively have a second inlet and a second outlet communicated with the inside thereof, and calcium oxide is laid in the second reactor and the first reactor; One end is communicated with the combustion chamber, and the second end of the flue gas pipe is detachably connected to the first inlet; |