Alumina calciner

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The high-strength castable 1500 series castable series and aluminum hydroxide fluidized roasting furnace lining innovatively developed by Luohua Company have increased the furnace capacity by more than 15% - 20%，The service life of furnace lining is increased to more than 10 years。It has obtained 11 patents, and has been awarded the National Torch Program Project in 2006, the second prize of the Science and Technology Award of the China Nonferrous Metal Industry, the torch promotion project, and the key new product project.

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Aluminum industry

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　　The high-strength castable 1500 series castable series and aluminum hydroxide fluidized roasting furnace lining innovatively developed by Luohua Company replace the imported technology and are used as the design and selection standard of the design institute. The innovative furnace lining of Luohua Company has increased the production capacity of the furnace type by more than 15% - 20%, and the operating life of the furnace lining has been increased to more than 10 years.

　　The project has obtained the patent number 201210000769.4 for a high temperature separator PO3 discharge device of aluminum hydroxide vaporization suspension calciner, 201210000769.4 for a high temperature separator PO3 discharge device of aluminum hydroxide vaporization suspension calciner, 201210000769.4 for a high strength and energy saving composite furnace wall, 201210000781.5 for a hanging structure of industrial furnace lining and roof, 201220001026.4 for Patent No. 201220001011.8, Patent No. 201220001023.0, Patent No. 201220001015.6, Patent No. 201220001015.6, Patent No. 200710055135.8 Patent No. 200710055136.2, Patent No. 200710055131. X, Patent No. 200710055131. X, Compound Furnace Wall of Dilute Phase Fluidized Calciner, and other patents.

　　"Introducing the localization of large aluminum hydroxide dilute phase fluidized roasting furnace lining refractory" was included in the national torch program in 2006. In 2007, "Research on the localization of large aluminum hydroxide fluidized roasting furnace lining" passed the appraisal of China Nonferrous Metals Industry Association, and won the second prize of China Nonferrous Metals Industry Science and Technology Award in 2008, "High efficiency and energy saving gas suspension calciner and Luohua LH-1500 series amorphous refractory" was listed in the national key new product project in 2009.

List of achievements of alumina roaster
serial number	industry	Applied unit	Types and specifications of kilns	Use position	service condition	Reserve note
1	Aluminum industry	Guizhou Anshun Huangguoshu Aluminum Co., Ltd.	Aluminum hydroxide roaster	Integral casting of furnace lining	It has been put into operation and runs well.
2	Aluminum industry	Luoyang Xiangjiang wanji aluminum co., ltd	1400t/d alumina roaster	General contractor for new construction and furnace lining	Conduct achievement appraisal.	LH-900 series, LH-1500 series
3	Aluminum industry	Chinalco he' nan branch	1850 gas suspension roaster	Newly built the first one in China, technical guidance for supply of castable and construction of oven.	Run well	Key scientific research projects of Chinalco, XI. 5. Torch declaration items
4	Aluminum industry	Chinalco Guangxi branch	1300 gas suspension roaster	Overhaul of lining	All the key problems were identified, and the temperature of the target outer furnace shell dropped by ≥1500C.	Technical research of "Chinalco"
5	Aluminum industry	"Chinalco" Zhongzhou Branch	1300t gas suspension roaster	Technical guidance for supply and construction of castable for integral furnace body	Run well	LH-900 series generation DCL-45,50,55
6	Aluminum industry	"Chinalco" Henan Branch	1850t gas suspension roaster	The first overhaul of imported equipment saves a lot of overhaul costs and time.	Good operation and energy saving.	LH-900 series generation DCL-45,50,55
7	Aluminum industry	"Chinalco" Henan Branch	1350t gas suspension roaster	Integral furnace lining replaces imported castable, technical guidance for construction, oven drying and commissioning.	Well-run and excellent project	LH-900 series generation DCL-45,50,55