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About Us

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2006

founded-year

30000㎡

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200+

production-equipment

100+

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Henan Hongke Heavy Machinery Co., Ltd.

One-stop Heavy Equipment for Mining & Construction

Learn about Hongke's 20+ years of experience in manufacturing rotary kilns, rotary dryers, ball mills and crushing equipment. Factory direct sales, customized mining machinery turnkey solutions worldwide.

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Calcination EQPT Cases

Calcination EQPT Cases

Hongke's rotary kiln calcination case center showcases projects for lime, zinc oxide, lithium ore, dolomite, etc. Custom calcination solutions & technical support.

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Drying EQPT Cases

Drying EQPT Cases

Browse global completed rotary dryer installation projects & customer success cases for mineral, sand, coal drying. Custom dryer solution references from Hongke.

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Grinding EQPT Cases

Grinding EQPT Cases

Check global completed installation projects of grinding mill equipment including ball mill, Raymond mill & vertical mill. Real site operation cases & customized mineral grinding solutions from Hongke factory.

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Crushing EQPT Cases

Crushing EQPT Cases

View global finished crushing plant installation cases of jaw crusher, cone crusher, impact crusher. Custom stone crushing solutions & on-site running projects from Hongke factory.

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Ore Processing Case

Ore Processing Case

Global completed mineral processing plant cases for iron ore, gold, copper ore. Full set beneficiation line installation projects with site photos from Hongke manufacturer.

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20

2026/10

Refractory Lining Damage Forms in Lime Rotary Kilns and Preventive Measures

Why does the lining of lime rotary kilns fail frequently? This article systematically analyzes common damage forms and causes including thermal shock spalling, alkali salt attack, mechanical stress, and ring formation damage, and provides targeted preventive measures covering refractory material selection, installation processes, thermal operation, and kiln shell management. Contact us for solutions!

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15

2026/10

Refractory Brick Replacement Cycles in Metallurgical Rotary Kilns and the Importance of Kiln Atmosphere Control

How often should refractory bricks be replaced in metallurgical rotary kilns? Why is kiln atmosphere control critical? This article systematically analyzes refractory brick wear mechanisms and replacement cycle criteria, and introduces the important influence of kiln atmosphere on lining life and metallurgical reaction performance, along with control key points. Contact us for solutions!

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