公开(公告)号：US11766627B2

公开(公告)日：2023-09-26

申请号：US17724085

申请日：2022-04-19

Applicant: STAMICARBON B.V.

Inventor： Dorin Popa

IPC: B01D5/00 ,  B01J10/00 ,  C07C273/04 ,  C07C273/14 ,  F28D7/06 ,  F28F9/02 ,  F28D21/00

CPC classification number: B01D5/0075 ,  B01D5/0009 ,  B01D5/0081 ,  B01D5/0087 ,  B01D5/0093 ,  B01J10/00 ,  C07C273/04 ,  C07C273/14 ,  F28D7/06 ,  F28F9/0202 ,  F28F9/0246 ,  F28D2021/0022 ,  F28D2021/0063 ,  F28F2009/0287

Abstract: Described are a high pressure carbamate condenser, urea plant, and urea production process. The high pressure carbamate condenser as described is of the shell-and-tube heat exchanger type with a tube bundle and has a redistribution chamber connected to tubes of the tube bundle and to a duct. The duct extends between the redistribution chamber and the shell.

公开(公告)号：US11338221B2

公开(公告)日：2022-05-24

申请号：US17114317

申请日：2020-12-07

Applicant: STAMICARBON B.V.

Inventor： Dorin Popa

IPC: B01D5/00 ,  B01J10/00 ,  F28D9/02 ,  C07C273/04 ,  C07C273/14 ,  F28D7/06 ,  F28F9/02 ,  F28D21/00

Abstract: Disclosed is a shell-and-tube heat exchanger type with a tube bundle and has a redistribution chamber connected to tubes of the tube bundle and to a duct. The duct extends between the redistribution chamber and the shell.

公开(公告)号：US10857480B2

公开(公告)日：2020-12-08

申请号：US16469129

申请日：2018-10-26

Applicant: Stamicarbon B.V.

Inventor： Dorin Popa

IPC: B01D5/00 ,  C07C273/04 ,  C07C273/14 ,  B01J10/00 ,  F28D7/06 ,  F28F9/02 ,  F28D21/00

Abstract: Described are a high pressure carbamate condenser, urea plant, and urea production process. The high pressure carbamate condenser as described is of the shell-and-tube heat exchanger type with a tube bundle and has a redistribution chamber connected to tubes of the tube bundle and to a duct. The duct extends between the redistribution chamber and the shell.