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      Home > Solutions > Active Lime Production Line

      Active Lime Production Line

      【Capacity】:

      50-800(t/d)

      【Main Materials】:

      400×730-1260×2040mm

      【Main Equipment】:

      Vertical preheater,lime kiln,bag filter
      • Introduction
      • Features
      • Parameter
      • Related Cases

      INTRODUCTION

      During all the active lime production process, the rotary kiln production process is the most advanced one. Our production process adopt the rotary kiln with the vertical preheater and vertical cooler for the limestone calcination to achieve the production requirements of energy saving, environmental protection, the high activity. We can provide technological solutions and complete production equipment for 50-800TPD quicklime (active lime) production line.


      Poduction Technology

      10-50mm qualified limestone are fed to receiving hopper by loader. The vibrating feeder under the hopper will feed limestone to inclined belt and then transport to screening equipment. After screening, the limestone will be transported to the top silo of preheater by inclined belt conveyor. Limestone are fed from top silo to preheater through feeding chute. At the meantime, the hot air from rotary kiln will preheating the limestone to more than 1000 and also can partially decomposed. Preheated limestone are pushed into kiln inlet by hydraulic pusher and discharged into vertical cooler after calcination at rotary kiln. The cooling air blows by fan can cool down the temperature of material to room temperature +60 and then discharged ot of vertical cooler. After discharging from vertical cooler, active lime will be transported to lime silo by apron conveyor, bucket elevator and belt conveyor. Temperature of hot air from rotary kiln can be reduced to 250 after heat exchange with limestone inside the preheater. Then the hot air will flow into cylcone dust collector for primary dust collecting. After bigger size dust are collected, the waste air will flow into bag filter for secondary dust collecting. The emission dust concentration is less than 50mg/m3


      FEATURES

      1. Saving energy

      Vertical preheater is equipped at the kiln inlet. It will use the hot air from rotary kiln to preheat the raw material which also can partially decomposed inside the preheater. This will increase the 40% of output capacity and 30% of thermal efficiency. Vertical cooler is equipped at the kiln outlet. It will use the high temperature from the calcined material to heating the secondary air to 600. Kiln outlet adopts integration design for vertical cooler and kiln outlet hood, and it needs less construction land and good sealing.

      2. Environmental protection

      Good dust collecting treatment at kiln inlet. The cyclone dust collector and pulse bag filter can control the dust emission is lower than China standard. High level of automation requires less workers, the adjusting of production system operation, control and alarm are controlled at control room by PLC.


      PAEAMETER

      Capacity

      200t/d

      225t/d

      250t/d

      300t/d

      400t/d

      500t/d

      600t/d

      800t/d

      Preheater

      Shape

      Hexagon

      Hexagon

      Octagon

      Octagon

      Octagon

      Decagon

      Dodecagon

      Dodecagon

      Qty. Of

      Top Silo

      6

      6

      8

      8

      8

      10

      12

      12

      Qty. Of Hydraulic Pusher

      6

      6

      8

      8

      8

      10

      12

      12

      Preheating Capacity (t)

      600

      600

      800

      800

      800

      1000

      1600

      1600

      Rotary Kiln

      Size

      Φ2.8×42m

      Φ3.0×50m

      Φ3.2×50m

      Φ3.3×55m

      Φ3.6×55m

      Φ3.8×58m

      Φ4×60m

      Φ4.3×56m

      Slope

      3.50%

      3.50%

      3.50%

      3.50%

      3.50%

      3.50%

      3.50%

      3.50%

      Rotating Speed

      (r/min)

      0.3-1.8

      0.3-1.8

      0.3-1.8

      0.3-1.8

      0.3-1.8

      0.3-1.8

      0.3-1.8

      0.3-1.8

      Calcination Temperature

      ()

      1350

      1350

      1350

      1350

      1350

      1350

      1350

      1350

      Cooler

      Type

      Vertical

      Vertical

      Vertical

      Vertical

      Vertical

      Vertical

      Vertical

      Vertical

      Qty Of Temperature Control Area

      3

      3

      3

      3

      3

      3

      3

      3

      Qty. Of

      Wind Tower

      4+1

      4+1

      4+1

      4+1

      4+1

      4+1

      4+1

      4+1

      Size(m)

      3.6×3.6

      3.6×3.6

      3.6×3.6

      3.6×3.6

      4.1×4.1

      4.1×4.1

      4.1×4.1

      4.7×4.7

      Output Temperature

      ()

      ≤120

      ≤120

      ≤120

      ≤120

      ≤120

      ≤120

      ≤120

      ≤120

      Product Thermal Loss(kcal/kg)

      5500

      5400

      5400

      5400

      5400

      5400

      5400

      5000

      Available Fuel

      Coke oven gas, mixed gas, natural gas, coal powder, low heating value coal gas




      Contact Us

      Please input your inquiry in below form. We will reply you as soon as possible

      • Phone:

        008618937185591(WeChat)
      • WhatsApp:

        008618937185591
      • E-mail:

        ec03@zkcorp.com
      • Add:

        Qiaoloucaizhai industrial park,XingYang, ZhengZhou, Henan,China

      CONTACT

      • Phone:+86 18937185591(WeChat)
      • WhatsApp:+86 18937185591
      • Add:Qiaoloucaizhai industrial park,XingYang,ZhengZhou, Henan,China

      MESSAGE

      Name *

      E-mail *

      Message*

      Henan Zhengzhou Mining Machinery Co., Ltd.

      大发app
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