求翻译：(4) 烧成窑尾、窑中及窑头 烧成窑尾采用五级旋风预热器和在线分解炉，生料进入预热器后，在自上向下逐级运动的同时，逐步预热、分解。预热器具有较高的热效率。生料经过预热器和分解炉，碳酸钙大部分分解后，进入Φ4´60m回转窑进行煅烧。是什么意思？

(4) firing kiln inlet with five cyclone preheater and calciner kiln and kiln hood firing kiln end, the raw material into the preheater from the top down, step by step movement at the same time, gradually pre- heat, decomposition. Preheater has a high thermal efficiency. Raw material through the preh

(4) burned in kilns, furnaces and kilns and kiln burned tail with 5 level cyclone preheater and on-line break down into the furnace, and warm-up, one by one in a top-down at the same time, the progressive warm-up, break down. Warm-up, has a higher thermal efficiency. After a warm-up, health and the

In the (4) burning kiln tail, the kiln and the kiln burning kiln tail uses five level of tornado pre-heaters and the online decomposing furnace, after the crude material enters the pre-heater, while top-down progressive movement, gradually preheating, decomposition.The pre-heater has the high therma

(4) end of the kiln, kiln and kiln-fired kiln used in online five-stage cyclone preheater and precalciner, after entering the preheater for raw material, in the gradual movement from top to bottom at the same time, gradually warming, decomposition. Heater has a high thermal efficiency. Raw material

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