rotary kiln | top kiln manufacture of rotary kiln, cement
We never stop improving the fabrication procedure with evolutionary technology. The enhanced pre-heater and main burner make the whole rotary kiln system use less fuel while maintaining an even better calcination result.
By analyzing the production statistics and improve it constantly, the daily productivity of our new rotary kiln is very close to the machinery from the world-leading players, especially for the lime rotary kiln and large cement rotary kiln
Our open-type calcination design ensures a free interior airflow, it enables the gas inside the rotary kiln discharge timely. The simple structure also allows the material to move fluidly inside the rotary kiln so that the material can be heated evenly. This further guarantees a stable output
The new enhanced pre-heater is installed at the kiln tail part. It largely improves the usage of the high-temperature air inside the rotary kiln to increase the efficiency of the pre-heating and decomposition, saving fuel
Our lime rotary kiln is equipped with an enhanced vertical type cooler. This cooler can cool down the lime faster while increasing the lime activity, which results in easier storage and transportation and less energy consumption
The temperature of the material inside the rotary kiln is around 1550℃ while the air temperature is around 1600-1700℃. The organic matter in the water residual can be cleaned up to 98%. Our rotary kiln has a longer length and a longer retention time for the material
The waste gas is emitted via a longer channel, fine cooling process and a dust collection system. The content of dust and polluted air is largely reduced. It can meet the regulation requirement for emission. The collected dust can be utilized again by feeding back to the raw material preparation system. The discharged gas from kiln head and tail can be used from waste heat power generation
AGICO group mainly focuses on major and medium series of rotary kiln products such as cement kiln, lime rotary kiln, shaft kiln, and sponge rotary kiln. Located in Anyang of China, AGICO owns a large heavy industrial factory, it has more than 100 pieces of equipment such as large and medium mental process machines, riveting equipment and assembly equipment with 200 staff and 50 managers and engineers.
What is a rotary kiln? As a piece of key equipment, the rotary kiln plays an increasingly important role in the cement production industry, chemical industry, metallurgy industry and more. The major function of a rotary kiln is to calcinate various materials in a very high temperature environment. During the calcination process, the raw material turns into the desired end products via a series of physical and chemical reactions
Rotary kiln is not a whole block. It combined with different parts. The main structure contains kiln head, kiln body, kiln tail, support frame, preheating tower, cooler and conveyor. Kiln head consists of an inspection port, coal nozzle, and observation hole. Its diameter is longer than rotary kiln’s. Kiln body of rotary kiln is the main part of rotary kiln. Its general length is from 30 to 150 meters. It should be laminated refractory brick before running. Kiln tail looks a lot like a lid. It is in the feed end. It is also important which undertakes the ability to feed. Rotary kiln’s support frame makes kiln more firm. It makes the machine more convenient for lifting and transporting
china active lime rotary kiln production line limestone
Limestone with a particle size of 10 to 50 mm is transported to the plant site, stacked in the stockyard, and the loader is operated by the stockyard. The material with qualified particle size is loaded into the receiving trough set by the loading yard by the loader, and the feeding material is quantitatively fed by the feeding trough, and the stone material is fed to the large dip angle conveyor, and then sent to the screening building, and the limestone is screened. After being weighed, the qualified particle size is weighed and sent to the top silo of the preheater by the large angle conveyor. The powder under the sieve is sent to the yard by the 3# conveyor and is regularly transported by the forklift
Limestone calcination is composed of vertical preheater + rotary kiln + vertical cooler, the output is 100~800t/d, and the material is introduced into the preheater body from the top silo of the preheater through the discharge chute, and the rotary kiln is also The incoming high-temperature flue gas preheats the material to above 1000 °C, so that the limestone is partially decomposed, and then pushed into the tail of the rotary kiln by hydraulic push rods. After being calcined at a high temperature in the rotary kiln, it is discharged into the cooler and blown through the fan. Cooling by cold air, the material is cooled to ambient temperature +60 ° C below the cooler. The air blown through the cooler enters the rotary kiln as secondary air to participate in combustion
The finished lime is discharged from the cooler and transported to the finished lime storage via a chain conveyor, bucket elevator and belt conveyor. The lime silo discharge valve is used to transport the lime in the silo into the car and the tanker. Set different sizes of silos according to customer reserve requirements
The high-temperature flue gas generated by the combustion of the rotary kiln is cooled to below 250 °C after heat exchange with the limestone in the preheater, and then into the cyclone dust collector for primary dust collection, and the large particles of dust are collected, and then It enters the bag type dust collector and is discharged into the atmosphere by a high-temperature fan after dust removal. The dustconcentration of the exhaust gas is less than 30mg/m3. A cold air control system is installed at the inlet of the dust collector to protect the dust collector
3.The vertical preheater at the kiln tail can make full use of the high temperature flue gas generated by calcination in the rotary kiln, and preheat the limestone from the normal temperature to the initial decomposition state.
5.The flue gas discharged through the vertical preheater of the kiln is low in temperature and low in dust content, so that the configuration of the subsequent flue gas treatment is simple and efficient, and meets environmental protection requirements
china lime rotary kiln, lime rotary kiln manufacturers
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