US 12,465,903 B2
Production system and method for insoluble sulfur
Yong Zhou, Liaoning (CN); Changjian Liao, Liaoning (CN); Fanfei Meng, Liaoning (CN); Zhiyu Liu, Liaoning (CN); Haibo Wang, Liaoning (CN); Ping Jin, Liaoning (CN); Jinling Dai, Liaoning (CN); Ping Liu, Liaoning (CN); and Yong Piao, Liaoning (CN)
Assigned to CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing (CN); and SINOPEC DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS CO., LTD., Liaoning (CN)
Appl. No. 17/758,287
Filed by CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing (CN); and SINOPEC DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS CO., LTD., Liaoning (CN)
PCT Filed Dec. 28, 2020, PCT No. PCT/CN2020/140097
§ 371(c)(1), (2) Date Jun. 30, 2022,
PCT Pub. No. WO2021/136160, PCT Pub. Date Jul. 8, 2021.
Claims priority of application No. 201911418296.8 (CN), filed on Dec. 31, 2019.
Prior Publication US 2023/0035805 A1, Feb. 2, 2023
Int. Cl. C01B 17/12 (2006.01); B01J 19/06 (2006.01); B01J 19/24 (2006.01); C01B 17/02 (2006.01)
CPC B01J 19/06 (2013.01) [B01J 19/2415 (2013.01); C01B 17/0232 (2013.01); C01B 17/0237 (2013.01); C01B 17/12 (2013.01)] 14 Claims
OG exemplary drawing
 
1. An insoluble sulfur production system, comprising a cooler (300) and a kettle (100) having a first discharge port and a quenching tower (200) having a feed port, wherein the first discharge port is in communication with the feed port, and
the quenching tower (200) comprises a housing (210) that is cylindrical in shape, a granulation device (220) and a shear pump (230), the housing (210) has a feed quenching section (211) and a discharging section (213) that are arranged from top to bottom, and a side wall of the housing (210) is provided with a solvent inlet (214) for providing a solvent and a quenching agent inlet (215) for providing a quenchant, wherein:
the feed port is arranged on the feed quenching section (211), and the granulation device (220) is disposed in the feed quenching section (211);
the discharging section (213) is provided with a second discharge port and a filter screen (260) above the second discharge port, and a side wall of the discharging section (213) above the filter screen (260) is provided with a circulating outlet and a circulating inlet in communication with an inlet and an outlet of the shear pump (230), respectively, and
the housing (210) comprises a material separation section (216) for solid-liquid separation and a material circulation section (212) for circulating the materials between the feed quenching section (211) and the discharging section (213), an inner cylinder (240) and a device (250) for spraying a quenchant or solvent into the inner cylinder (240) are arranged in the material circulating section (212), and a circulating liquid outlet (217) for discharging the separated liquid is arranged in the side wall of a material separating section (216), the liquid discharged from the circulating liquid outlet (217) is cooled by the cooler (300) and sent by the circulating pump (280) to the circulating inlet, the circulating inlet is in communication with the device (250).