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Method for preparing gypsum clinker by utilization of fly ash in circulating fluidized bed boiler

LONG ZUOJIAN / MA XUSHENG / ZHOU WENFU / LI ZHENWEI / WANG HONGBIN / ZHOU JIAHUA / WU ZHONGNAN / HU GUIHUA / XIAO BIZHONG / JIANG DONG / ... [mehr]

The invention discloses a method for preparing gypsum clinker by the utilization of fly ash in a circulating fluidized bed boiler and is characterized in that the method comprises the following steps: a, adding 3-5 wt% of fly ash into flue gas desulfurization gypsum and uniformly mixing; b, calcining the above mixed materials in a rotary kiln; c, putting the calcined powder into a ball mill and grinding; and d, cooling the ground powder and aging to obtain the gypsum clinker. Then, fly ash can be effectively utilized, and strength of a gypsum board can be raised. Thus, production cost is greatly saved.

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Method for preparing gypsum clinker by utilization of fly ash in circulating fluidized bed boiler

LONG ZUOJIAN / MA XUSHENG / ZHOU WENFU / LI ZHENWEI / WANG HONGBIN / ZHOU JIAHUA / WU ZHONGNAN / HU GUIHUA / XIAO BIZHONG / JIANG DONG / ... [mehr]

The invention discloses a method for preparing gypsum clinker by the utilization of fly ash in a circulating fluidized bed boiler and is characterized in that the method comprises the following steps: a, adding 3-5 wt% of fly ash into flue gas desulfurization gypsum and uniformly mixing; b, calcining the above mixed materials in a rotary kiln; c, putting the calcined powder into a ball mill and grinding; and d, cooling the ground powder and aging to obtain the gypsum clinker. Then, fly ash can be effectively utilized, and strength of a gypsum board can be raised. Thus, production cost is greatly saved.

Method for preparing gypsum clinker by utilization of fly ash in circulating fluidized bed boiler

LONG ZUOJIAN / MA XUSHENG / ZHOU WENFU / LI ZHENWEI / WANG HONGBIN / ZHOU JIAHUA / WU ZHONGNAN / HU GUIHUA / XIAO BIZHONG / JIANG DONG / ... [mehr]

The invention discloses a method for preparing gypsum clinker by the utilization of fly ash in a circulating fluidized bed boiler and is characterized in that the method comprises the following steps: a, adding 3-5 wt% of fly ash into flue gas desulfurization gypsum and uniformly mixing; b, calcining the above mixed materials in a rotary kiln; c, putting the calcined powder into a ball mill and grinding; and d, cooling the ground powder and aging to obtain the gypsum clinker. Then, fly ash can be effectively utilized, and strength of a gypsum board can be raised. Thus, production cost is greatly saved.

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Titel:

Method for preparing gypsum clinker by utilization of fly ash in circulating fluidized bed boiler

Beteiligte:

LONG ZUOJIAN (Autor:in) / MA XUSHENG (Autor:in) / ZHOU WENFU (Autor:in) / LI ZHENWEI (Autor:in) / WANG HONGBIN (Autor:in) / ZHOU JIAHUA (Autor:in) / WU ZHONGNAN (Autor:in) / HU GUIHUA (Autor:in) / XIAO BIZHONG (Autor:in) / JIANG DONG (Autor:in)

Erscheinungsdatum:

22.04.2015

Medientyp:

Patent

Format:

Elektronische Ressource

Sprache:

Englisch

Klassifikation:

IPC: C04B Kalk , LIME

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