Inflammable and explosive gas separation device in hydrochloric acid production process

• Main Authors: YAN XUHUA, GONG WENXING, CHANG WANBIN, FENG MU, LI YOUHUI, HE SHENG
• Format: Patent
• Language: Chinese; English
• Published: 02.06.2023
• Subjects: PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The utility model discloses a flammable and explosive gas separation device in hydrochloric acid production process, which comprises a vapor-liquid separator, a hydrochloric acid storage tank, a primary membrane type device and a waste gas absorption device, one side of the vapor-liquid separator is provided with a liquid inlet pipe, the liquid inlet pipe is provided with a liquid inlet valve, the other side of the vapor-liquid separator is provided with a liquid outlet pipe, the liquid outlet pipe is provided with a liquid outlet valve, and the waste gas absorption device is provided with a liquid outlet valve. The liquid inlet pipe and the liquid outlet pipe are positioned at the same height; a first gas return pipe is arranged at the top of the gas-liquid separator and is communicated with the gas-liquid separator and the waste gas absorption device; the liquid outlet pipe is provided with an under-liquid bent pipe, and the lowest end of the under-liquid bent pipe is lower than the liquid outlet pipe; the