Thermal-process seawater desalinization device, chemical adding device and process thereof

• Main Authors: CAO YUNMING, WANG GANG, WU BING, ZHAO LIUQIANG, CHEN SUJUN, WU LIYUN, TANG ZHIXIN, SUN XUE, WU GANG, LIANG HONGYING
• Format: Patent
• Language: Chinese; English
• Published: 24.07.2018
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The invention belongs to the technical field of seawater desalinization and discloses a chemical adding device. The chemical adding device comprises a plurality of chemical adding branches used for independently adding chemicals into multiple parts of a multi-effect evaporator of a thermal-process seawater desalinization device, wherein each chemical adding branch comprises a chemical box, a chemical adding pipeline and a chemical adding pump; the outlet of each chemical box is connected with the inlet end of the corresponding chemical adding pipeline; each chemical adding pump is arranged onthe corresponding chemical adding pipeline; the outlet end of each chemical adding pipeline is connected with one part of the multi-effect evaporator. The chemical adding device is capable of adding corresponding scale inhibitors according to the specific scaling conditions of each part of the multi-effect evaporator so as to achieve a reliable scale inhibition effect. 本发明属于海水淡化技术领域，公开了种药剂投加装置，包括：多条药剂投加支路，用于独立向热法海水淡化装置的多效