A multistage pre -heater for predecomposition kiln

The utility model relates to a firing equipment specifically provides a multistage pre -heater for predecomposition kiln, aims at solving the heat exchange horizontally problem of unable each grade of independent control of current multistage pre -heater. Mesh for this reason, the utility model disc...

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Bibliographische Detailangaben
Hauptverfasser: WANG SHUO, FU HUA, BAI YANG, GAO CHAO, ZHOU SHENYAN, YANG XIN
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The utility model relates to a firing equipment specifically provides a multistage pre -heater for predecomposition kiln, aims at solving the heat exchange horizontally problem of unable each grade of independent control of current multistage pre -heater. Mesh for this reason, the utility model discloses an each level of multistage pre -heater all includes at least one temperature sensor and a choke valve, and multistage pre -heater includes a controller on the whole, temperature sensor is used for detecting the material temperature in the corresponding pre -heater, the controller is followed temperature sensor receive temperature signal and according to temperature signal control the aperture of choke valve to control the heat exchange level in the corresponding pre -heater. Because each grade pre -heater all is provided with can be by the temperature sensor and the choke valve of controller independent control, consequently, the utility model discloses a multistage pre -heater can the effective control heat exchange level and the speed of each grade pre -heater to the utilization ratio of further improving the heat transfer effect and improving the flue gas waste heat.