Pure middle-low-temperature waste heat power generation system of cement kiln

Pure middle-low-temperature waste heat power generation system of cement kiln

  • CN 201,059,880 Y
  • Filed: 07/13/2007
  • Issued: 05/14/2008
  • Est. Priority Date: 07/13/2007
  • Status: Active Grant
First Claim
Patent Images

1. cement kiln pure middle and low temperature afterheat generating system, comprise chamotte cooler (1), kiln tail preheater (7), kiln hood boiler (13), kiln tail boiler (12), kiln hood drum (21), kiln tail drum (16), steam turbine (22), boiler feed pump (23), deduster (8), blower fan (9), chimney (10), be provided with feed end (2) in the chamotte cooler (1), discharge end (3), chamotte cooler (1) is provided with anterior suction opeing (34) near feed end (2), the middle part is provided with middle part suction opeing (5), be provided with afterbody suction opeing (6) near discharge end (3), be provided with one group of blower fan (4) in the middle of chamotte cooler (1) bottom, the both sides, bottom respectively are provided with one group of blower fan, middle part suction opeing (5) links to each other with the exhaust gas inlet of kiln hood boiler (13), afterbody suction opeing (6) is by deduster (8), blower fan (9) links to each other with chimney (10), the outlet of kiln tail preheater (7) links to each other with the exhaust gas inlet of kiln tail boiler (12), be provided with low temperature superheater (14) in the kiln tail boiler (12), evaporimeter (15), be provided with low temperature superheater (18) in the kiln hood boiler (13), evaporimeter (19), feed-water heater (20), boiler feed pump (23) links to each other with the import of feed-water heater (20), the outlet of feed-water heater (20) connects kiln hood drum (21) and kiln tail drum (16) respectively by pipeline, the outlet of kiln hood drum (21) links to each other with the import of low temperature superheater (18), evaporimeter (20) is connected on the kiln hood drum (21), the outlet of kiln tail drum (16) links to each other with the import of low temperature superheater (14), evaporimeter (15) is connected on the kiln tail drum (16), it is characterized in that:

  • described chamotte cooler (1) is provided with anterior suction opeing (34) near feed end 2, described kiln hood boiler (13) is provided with two exhaust gas inlet (36,37), an exhaust gas inlet (37) is positioned at kiln hood boiler (13) top, another exhaust gas inlet (36) is positioned at the bottom of exhaust gas inlet (37), be provided with public high temperature superheater (28) near exhaust gas inlet (37) in the kiln hood boiler (13), described anterior suction opeing (34) joins by the exhaust gas inlet (37) on pipeline and kiln hood boiler (13) top, described middle part suction opeing (5) joins by the exhaust gas inlet (36) of pipeline and exhaust gas inlet (37) bottom, the low temperature superheater (14) of described kiln tail boiler (12) is connected to a Rendezvous Point (29) with the outlet of the low temperature superheater (18) of kiln hood boiler (13) by pipeline, the outlet of described Rendezvous Point (29) is joined by the import of pipeline and public high temperature superheater (28), and the outlet of described public high temperature superheater (28) is joined by pipeline and steam turbine (22).

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×