Novel dry-method cement kiln preheating and precalcining system and method
A pre-decomposition and cement kiln technology, which is applied in the field of preheating and pre-decomposition system of new dry process cement kiln, can solve the problems of investment and operation difficulty, increase of failure points, difficulty in reforming the existing system, and difficulty in popularization, etc., to achieve system The effect of increased output, increased output, and increased investment
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Embodiment 1
[0026] A new dry-process cement kiln preheating and pre-decomposing system, including a first-stage preheater 1, a second-stage preheater 2, a third-stage preheater 3, a fourth-stage preheater 4, and a fifth-stage preheater Heater 5, starting from the first stage preheater 1, the air inlet pipe of each stage preheater communicates with the air outlet of the next stage preheater, so connected in turn until the fifth stage preheater 5, said The air inlet pipe of the fifth-stage preheater 5 communicates with the top of the calciner 6 , and the bottom of the calciner 6 communicates with the kiln tail smoke chamber 7 .
[0027] A fine distributing device-8 is installed at the discharge port at the bottom of the second-stage preheater 2, and the discharge pipe of the fine distributing device-8 is divided into two paths, one of which communicates with the air inlet pipe of the second-stage preheater 2 , and the other way communicates with the air inlet pipe of the third-stage preheat...
Embodiment 2
[0029] A new dry-process cement kiln preheating and pre-decomposing system, including a first-stage preheater 1, a second-stage preheater 2, a third-stage preheater 3, a fourth-stage preheater 4, and a fifth-stage preheater Heater 5, starting from the first stage preheater 1, the air inlet pipe of each stage preheater communicates with the air outlet of the next stage preheater, so connected in turn until the fifth stage preheater 5, said The air inlet pipe of the fifth-stage preheater 5 communicates with the top of the calciner 6 , and the bottom of the calciner 6 communicates with the kiln tail smoke chamber 7 .
[0030] A fine distribution device 29 is installed at the discharge port at the bottom of the third stage preheater 3, and the discharge pipe of the fine distribution device 29 is divided into two paths, one of which communicates with the air inlet pipe of the third stage preheater 3 , and the other way communicates with the air inlet pipe of the fourth-stage prehea...
Embodiment 3
[0032] like figure 1 As shown, a new dry-process cement kiln preheating pre-decomposition system includes a first-stage preheater 1, a second-stage preheater 2, a third-stage preheater 3, a fourth-stage preheater 4, and a first-stage preheater 4. Five-stage preheater 5, starting from the first stage preheater 1, the air inlet pipe of each stage preheater communicates with the air outlet of the next stage preheater, and so on until the fifth stage preheater 5 , the air inlet pipe of the fifth-stage preheater 5 communicates with the top of the calciner 6 , and the bottom of the calciner 6 communicates with the kiln tail smoke chamber 7 .
[0033] A fine distributing device-8 is installed at the discharge port at the bottom of the second-stage preheater 2, and the discharge pipe of the fine distributing device-8 is divided into two paths, one of which communicates with the air inlet pipe of the second-stage preheater 2 , and the other way communicates with the air inlet pipe of ...
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