公开(公告)号：EP3392009A1

公开(公告)日：2018-10-24

申请号：EP16874702.0

申请日：2016-11-23

申请人： Hebei Sanshan Building Materials Technology Co., Ltd.

发明人： ZHANG, Genzhong

IPC分类号： B28B1/50 ,  B28C5/38 ,  B01F3/04

CPC分类号： B28C5/388 ,  B01F3/04446 ,  B01F3/04737 ,  B01F5/0605 ,  B01F13/06 ,  B01F2215/0047 ,  B28B1/14 ,  B28B1/24 ,  B28B1/50 ,  B28B13/06 ,  B28C5/386 ,  C04B28/02 ,  C04B38/103 ,  C04B2111/00137 ,  C04B2111/28 ,  C04B2201/32 ,  C04B24/14 ,  C04B40/0028 ,  C04B40/0071 ,  C04B40/0082

摘要： Provided is a production process for a nitrogen foamed concrete self-insulating block, comprising the following steps: pre-preparing a foaming liquid filled with nitrogen, pre-preparing a concrete slurry, preparing a foamed concrete slurry, casting moulding, carrying out thermal insulating and demoulding. At the same time, further provided is a foaming device used for the production process for a nitrogen foamed concrete self-insulating block, comprising a foaming agent storage tank, a vacuum foaming tank, a compressed nitrogen pipe, a first transfer pump and a second transfer pump. The block has the advantages of a low heat conductivity coefficient and durability.