| Customization: | Available |
|---|---|
| Application: | Mineral Operation |
| Certification: | CE, ISO |
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2. Production process description of calcined lime plant
Raw material feeding
The limestone in the plant yard will be carried by tractor shovel and feed to hopper, it will be discharged from hopper to vibrating feeder and sent to vibrating screen for screening through belt conveyor. The size ≥20mm will be sent to pre-heater by conveyor. And size less < 20mm will be carried away.
Calcination
The limestone in the pre-heater will be preheated by the hot air, then it will be discharged to rotary kiln though chute that connecting pre-heater and kiln, it will stay in the kiln for 1.5-2 hours for calcination, during the process, it will be calcinated with a temperature around 1300 °C, limestone decomposition, release of CO2, become calcined lime. Then the lime moves to vertical cooler for cooling.
Calcined lime conveying
Calcined lime will be discharged to a chain conveyor by vibrating feeders in the bottom of vertical cooler, it will be lifted to storage hopper by bucket elevator. So the lime in the storage hopper for dispatch or hydration workshop.
Dust filtering
There are two dust filtering systems, one is in the kiln inlet, dust will be filtered by bag filter then the clean gas will release to air. The other is dust from lime storage hopper and feeding of bucket elevator will be filtered by bag filter then release to air. 
The Flow diagram of calcined lime plant:
Company information:
Established in 1956, Henan Zhengzhou Mining Machinery Co. Ltd. is an entrenched factory appointed by Ministry of Machine-Building Industry and department of electrical machinery industry of Henan province. After development of over half a century, it has become a comprehensive modernized enterprise which integrates research, design, exploring, manufacturing, selling, installing, debugging and training. Our factory owns fixed assets of more than RMB800 000,000.
Our main products include: rotary kiln, rotary dryer, cooler, ball mill, preheater, conveyor, etc. and complete sets of machinery for cement production line, active lime production line, magnesium production line and ceramic sand production line. We have project cases through every province of China our products have been exported to Russia, Korea, Vietnam, Malaysia, Nepal, Bangladesh, Mexico, Armenia, Africa, South America and other countries and achieved great popularity.
Our service:
1. Excellent installation team or installation service for you;
2. Provide you with operating and training services;
3. Help with the equipment commissioning and solve problems in trial operation;
4. Check before acceptance of single equipment or whole production line;
5. Service items including follow-up visit, customer satisfaction surveys and so on;
6. Timely provide you with necessary accessories after acceptance;
7. Provide you with warranty services of repair, replacement and refund if conditions are fulfilled.
8. Help you solve other problems.
Company Name: Henan Zhengzhou Mining Machinery Co., Ltd.
Official Website: http://hnzkjq.en.made-in-china.com
Company Address: Qiaolou caizhai industrial estate, Xingyang city, Henan Province
Please pay attention to the company's other products:
Price of rotary kiln: http://hnzkjq.en.made-in-china.com/calcining.html
Rotary Kiln:http://hnzkjq.en.made-in-china.com/calcining.html
Preheater: http://hnzkjq.en.made-in-china.com/calcining/8.html
Cement Mill: http://hnzkjq.en.made-in-china.com/grinding/17.html
Rotary Dryer: http://hnzkjq.en.made-in-china.com/calcining/116.html
Raw Mill: http://hnzkjq.en.made-in-china.com/grinding/16.html
Trommel Screen:http://hnzkjq.en.made-in-china.com/separating/137.html
Rotary cooler:http://hnzkjq.en.made-in-china.com/calcining/6.html
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