• Pre-heater for rotary kiln
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Pre-heater for rotary kiln

  • Raw Materials : Hematite, limestone, bauxite
  • Feeding Range : 10-40mm
  • Max Capacity : 0-50TPH
  • Application : Pre-heat material before rotary kiln process
  • Main Features : Heavy duty design, high efficiency.
  • Shipping Port : Qingdao,Tianjin, Shanghai
Please click below to know more.
Features and benefits

 

1) High efficiency
2) Heavy duty structure design
3) Customized design

 

Rotary kiln preheater system is mainly consists of six major components.
  1) the upper feeding system: It contains the upper hopper, tremie pipe, cutting methods and structure can guarantee the security sealed in the body to feed to the preheater, so the cold air from outside can not enter into the preheater , and material feeding can make use of the bars valve to achieve the continuous or intermittent feeding.
  2) Preheater body: it is the most important part to ensure that the material preheated to 900 degrees Celsius. It is consist of warm-up room, suspension devices and firebrick lining (which don’t belong to the range for design and manufacture of equipment). The structure of the part is metal components. A part of materials use heat resistant steel according to need, heat resistant steel can work in the 1000-1100. The design of firebrick lining is novel, and sealing is good, so it can ensure that materials could preheat uniformly to reach a preheated temperature.
  3) Pusher device: it includes pusher, frameworks and connecting rod and other parts. Pusher is casted or welded together by the use of heat resistant steel, so it can bear high temperature. By electronic control and hydraulic system, various hydraulic push rod can achieve sequential pusher in order according to the automatic control program.
  4) The hydraulic system: including tanks, pumps, motors, solenoid valves, hydraulic hoses, its main role is to control the pusher device and complete the action of the pusher.
  5) The lower part of the feeding chamber: including slip tube, the main body of the feeding chamber, feeding slip mouth, its main role is to import the materials after preheater into kiln to calcine.
  6) Framework: it mainly includes column, beam, etc. The main role is carrying the upper part of the preheater structure.
  Function of preheater:
  Completion of the preheating of the raw material powder and the decomposition process;
  Cyclone: separation effect, collection the raw material powder in the air flow;
  Material bins: dispersion effects, dispersing tablets strong material into powder;
  Calciner duct: completion the heat transfer of raw material powder and hot air;
  Decomposing furnace:  Completion decomposition process of Calcium carbonate in the raw material. It can reduce the heat load of the kiln, substantial increase kiln’s capacity.

 

Equipment
Size
Capacity(t/d)
Remars
Cyclone preheater containing decomposing furnace
 
RF5/500KSV-5
500
Cyclone preheater containing decomposing furnace
 
RF5/800KSV-5
800
Suit to rotary kiln3×46m
Cyclone preheater containing decomposing furnace
 
RF5/1000KSV-5
1000
Suit to rotary kiln3×46m
Cyclone preheater
RX5/280
260-280
Suit to rotary kiln
2.5×42m
Cyclone preheater
CZSP-5
260-280
Suit to rotary kiln
2.5×45m
600t/d Cyclone preheater
RX5/600
600
Suit to rotary kiln
3.2×52m
Cyclone preheater containing decomposing furnace
RF5/1000KSV-5
1000
Suit to rotary kiln
3.2×46m
2000t/d decompose system of outer kiln
RF5/2000KSV-5
2000
Suit to rotary kiln4×60m
2500t/d decompose system of outer kiln
2500t/d containing DD furnace
2500
Suit to rotary kiln4×60m
Limestone vertical preheater
400t/d
400
 
Limestone vertical preheater
600t/d
600
 
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