MIXER, MIXING METHOD, AND METHOD FOR PRODUCING LIGHTWEIGHT GYPSUM BOARD

[Object] Behavior of a flow of foam or foaming agent ejected to a gypsum slurry can be stabilized, and a relatively large amount of foam or foaming agent can be homogeneously or uniformly dispersed in the slurry. [Solution] A mixer (10) has a mixing area (10a) for preparing gypsum slurry(3), a slurr...

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Bibliographische Detailangaben
Hauptverfasser:	NANBA, Kazuki, KAWAMURA, Toshiaki
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PREPARING CLAY PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL,e.g. PLASTER SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER TRANSPORTING WORKING CEMENT, CLAY, OR STONE
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Beschreibung
Zusammenfassung:	[Object] Behavior of a flow of foam or foaming agent ejected to a gypsum slurry can be stabilized, and a relatively large amount of foam or foaming agent can be homogeneously or uniformly dispersed in the slurry. [Solution] A mixer (10) has a mixing area (10a) for preparing gypsum slurry(3), a slurry delivery section (4) for delivering the slurry from the mixing area, and a feeding port (60) for feeding foam (M) or a foaming agent to the slurry in the mixing area and/or the slurry delivery section under pressure. The slurry having the foam mixed therein is supplied to a production line (1) for forming gypsum boards or gypsum-based boards. The feeding port is provided with a partition member (62,64,65) dividing an ejecting region (61,61'). The ejecting region is divided into a plurality of openings (63), which simultaneously eject the foam or forming agent to the slurry.