Vacuum dehydration device for polycarboxylate superplasticizer polyether production

• Main Authors: ZHANG ZHILIANG, HUI YONGPAN, YU XIAORONG, XIE ZHONGHUI, LIN CHUNDONG, ZHENG JIANMIN, BAO FENGLI, YANG LIU, ZHU JINJIAN
• Format: Patent
• Language: Chinese; English
• Published: 08.02.2022
• Subjects: PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The utility model relates to the technical field of polyether production, and discloses a vacuum dehydration device for polycarboxylate superplasticizer polyether production, which comprises a base, a backing pump and a buffer tank are sequentially arranged above the base from left to right, the buffer tank is connected with the base through a rack, a main pump is fixedly mounted at the top of the rack, the main pump is a roots pump, and the roots pump is connected with the backing pump. A main pump air suction port is formed in the top end of the main pump, a matched butterfly valve is installed at the position of the main pump air suction port, the air suction end of the backing pump is communicated with a corrugated pipe, the other end of the corrugated pipe is communicated with the buffer tank, an exhaust port is formed in the side, away from the corrugated pipe, of the backing pump, and the exhaust port is connected with the main pump air suction port through a pipeline. According to the utility model, a