Method and system for preparing zinc sulfide and ammonia water

• Main Authors: ZHANG SHUSHENG, XU XIANGYING, XIA LUBEI, WANG MINGCHUAN, WANG CUNJIN, LU GUOQING
• Format: Patent
• Language: Chinese; English
• Published: 09.08.2022
• Subjects: AMMONIA; CHEMISTRY; COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F; COMPOUNDS THEREOF; CYANOGEN; INORGANIC CHEMISTRY; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; METALLURGY; NANOTECHNOLOGY; PERFORMING OPERATIONS; SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; TRANSPORTING

The invention discloses a method and system for preparing zinc sulfide and ammonia water. The system comprises a stripping tower, the bottom of the stripping tower is communicated with a steam input pipe for conveying steam, the middle-upper part of the stripping tower is provided with a raw material water input pipe, the top of the stripping tower is connected with a hydrogen sulfide gas discharge pipe, and the middle part of the stripping tower is provided with a gas conveying pipe for outputting mixed ammonia gas; a hydrogen sulfide heat exchanger and a first supergravity reactor are sequentially arranged on the hydrogen sulfide gas discharge pipe, a zinc sulfate solution input pipe is arranged at the top of the first supergravity reactor, a zinc sulfide solution output pipe is arranged at the bottom of the first supergravity reactor, the zinc sulfide solution output pipe is communicated with a growth tank, and the growth tank is communicated with a cyclone separator through a pipeline; the gas conveying p