Henan Zhengzhou Mining Machinery Co., Ltd.

China Manufacturer with main products: ROTARY KILN, BALL MILL, BELT CONVEYOR, STONE CRUSHER

Home  >Products Catalog > Calcination Equipment > Dolomite Preheater/Vertical Preheater

Dolomite Preheater/Vertical Preheater

FOB Price: 2,000.00 - 65,000.00 USD/Set
Payment Terms: L/C, T/T
In Stock
Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Quick Details

  • After-sales Service Provided: Engineers available to service machinery overseas
  • Condition: New
  • Brand Name: ZK
  • Origin: china
  • name: vertical preheater

Specifications

Vertical preheater is one of the main equipment in active lime production. and its main function is to send limestone from the upper part to the body of preheater. Making use of high-temperature exhaust gas (800℃--1100℃) discharged from the calcinations kiln to make heat exchange and the preheat the materials evenly into 900℃ in the preheater. after preheating,there is 30% CaCO3 will decompose and then pushed into rotary kiln for burning by the hydraulic push rod.so such a calcinations process not only shorten the time of limestone burning in the kiln, but also get a high degree of the active lime.

Our company adopts LDO preheater. Compared with ordinary perheater, it reduces the loss of line gas resistance and the power of smoke ventilator greatly. It saves the energy consumption. Besides, it has the advantage of easy operation and maintenance, simple masonry and reliable performance.


Dolomite preheatervertical preheater
Product Structure 

1. the upper feeding system: includes the upper hopper, the next material possession, the next feeding method and structure can guarantee to the pre-heater of the body feeding to achieve security when closed. so that the cold air from outside can not enter into the preheater and feeding can make use of valve rod to achieve continuous or intermittent feeding.

2. Preheater body: it is to ensure that material preheated to 900 degrees celsius of the most important part. It is by the warm room, hanging devices and brick lining (which does not belong to the scope of design and manufacturing equipment) and other parts. that part of the structure of most of metal structures, part of the material according to the need to use a heat-resistant steel, heat-resistant steel to 1100 degrees celsius in 1000 to work under high temperatures. In addition, the refractory bricks lining structure, novel design, sealing is good, can guarantee the material in pre-heater evenly and achieve pre-heating temperature preheating.

3, Pusher devices: mainly rod, framework, and connecting rods and other parts of rod using heat-resistant steel casting or welded together, can withstand high temperatures, using electronic control and hydraulic systems can be by putting the various hydraulic automatic control program to achieve sequential pusher.

4, the hydraulic system: includes tanks, pumps, motors, solenoid valves, hydraulic tubing, etc., his main role is to control the pusher device to push the completion of material movement.

5, Bottom feeding room: the main include slide tube, feeding the main room, feeding slip mouth and so on, its main role is to import the materials after preheating rotary kiln calcination.

6, Framework: It includes columns and ring beam and so on, the main role is to carry the upper part of the structure.


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