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CEMENTITIOUS PRINT HEAD, 3D PRINTING ARCHITECTURE, AND CEMENTITIOUS PRINTING METHODOLOGY

机译:CEMENDING PRINT HEAD,3D打印架构和水泥印刷方法

摘要

A cementitious print head (200) and a cementitious printing methodology may include a feed barrel (202), a print head nozzle (204), a CO2 supply (206), a steam supply (208), a selective valve assembly in communication with the C02supply and the steam supply, a plurality of dual use extrusion head injectors (212), and a print head controller (215). The print head controller (215) is operatively coupled to the selective valve assembly and is programmed to execute a CO2 and steam injection protocol where steam may be selected for injection by the dual use extrusion head injectors (212) into a cementitious composition as it is extruded from the print head nozzle (204) to enhance a hydration reaction and formation of hydroxide in the cementitious composition before CO2 may be selected for injection by the dual use extrusion head injectors (212) into the cementitious composition as it is extruded from the print head nozzle (204) to enhance a carbonation reaction in the cementitious composition.
机译:水泥打印头(200)和水泥印刷方法可以包括进给筒(202),打印头喷嘴(204),CO 2 供应(206),蒸汽供应(208) ,一种与C0 2 供应和蒸汽供应通信的选择阀组件,多个双重使用挤出头喷射器(212)和打印头控制器(215)。打印头控制器(215)可操作地耦合到选择性阀组件,并被编程为执行CO 2 和蒸汽注入方案,其中可以通过双次使用挤出头喷射器注射蒸汽(212 )进入水泥组合物,因为它从印刷头喷嘴(204)挤出以增强水合反应,并在Co 2 通过双次使用挤出物选择用于注射的水泥组合物中的水化反应和形成氢氧化物将头部喷射器(212)进入水泥组合物,因为它从印刷头喷嘴(204)中挤出以增强水泥组合物中的碳酸化反应。

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