公开(公告)号：US20140059930A1

公开(公告)日：2014-03-06

申请号：US14056528

申请日：2013-10-17

Applicant: General Electric Company

Inventor： Vladimir Zamansky ,  Vitali Victor Lissianski ,  Boris Nikolaevich Eiteneer ,  Wei Wei ,  Ravichandra Srinivasa Jupudi ,  Ramanathan Subramanian

IPC: C10J3/72

CPC classification number: C10J3/721 ,  C10J3/466 ,  C10J2300/0956 ,  C10J2300/0959 ,  C10J2300/0976 ,  C10J2300/1223 ,  Y02E20/18 ,  Y02P20/145

Abstract: A coal gasifier is retrofitted to achieve multiple advantages such as reduced oxygen consumption, reduced CO2 and NOx emissions, better H:C ratio, better carbon conversion etc. This is achieved by dividing the coal into at least two zones and modifying the gasifier and operating it as described. The coal is injected into a first zone, configured to devolatilize a substantial portion of the injected coal to produce coal char and volatiles. The operation is tuned to substantially consume the oxidant injected in the first zone. A low-calorific-value, high oxidant feedstock is injected in second zone of the gasifier. The devolatilization of the low-calorific-value, high oxidant content feedstock provides the oxygen containing compounds which gasify at least a portion of the coal char generated in the first zone.

Abstract translation: 改造煤气化炉可实现多种优点，例如减少氧气消耗，减少二氧化碳和NOx排放，更好的H：C比，更好的碳转化等。这是通过将煤分为至少两个区域和修改气化器和运行 如所述。 煤被注入第一区域，其被配置为使大部分注入的煤脱挥发生以产生煤炭和挥发物。 该操作被调整以基本上消耗在第一区域中注入的氧化剂。 将低热值的高氧化剂原料注入气化器的第二区。 低热值高氧化剂含量原料的脱挥发分提供了含氧化合物，其使在第一区域中产生的煤焦炭的至少一部分气化。

公开(公告)号：US09365784B2

公开(公告)日：2016-06-14

申请号：US14056528

申请日：2013-10-17

Applicant: General Electric Company

Inventor： Vladimir Zamansky ,  Vitali Victor Lissianski ,  Boris Nikolaevich Eiteneer ,  Wei Wei ,  Ravichandra Srinivasa Jupudi ,  Ramanathan Subramanian

IPC: C01B3/36 ,  C10J3/72 ,  C10J3/46

CPC classification number: C10J3/721 ,  C10J3/466 ,  C10J2300/0956 ,  C10J2300/0959 ,  C10J2300/0976 ,  C10J2300/1223 ,  Y02E20/18 ,  Y02P20/145

Abstract: A coal gasifier is retrofitted to achieve multiple advantages such as reduced oxygen consumption, reduced CO2 and NOx emissions, better H:C ratio, better carbon conversion etc. This is achieved by dividing the coal into at least two zones and modifying the gasifier and operating it as described. The coal is injected into a first zone, configured to devolatilize a substantial portion of the injected coal to produce coal char and volatiles. The operation is tuned to substantially consume the oxidant injected in the first zone. A low-calorific-value, high oxidant feedstock is injected in second zone of the gasifier. The devolatilization of the low-calorific-value, high oxidant content feedstock provides the oxygen containing compounds which gasify at least a portion of the coal char generated in the first zone.

Abstract translation: 改造煤气化炉可实现多种优点，例如减少氧气消耗，减少二氧化碳和NOx排放，更好的H：C比，更好的碳转化等。这是通过将煤分为至少两个区域和修改气化器和运行 如所述。 煤被注入第一区域，其被配置为使大部分注入的煤脱挥发生以产生煤炭和挥发物。 该操作被调整以基本上消耗在第一区域中注入的氧化剂。 将低热值的高氧化剂原料注入气化器的第二区。 低热值高氧化剂含量原料的脱挥发分提供了含氧化合物，其使在第一区域中产生的煤焦炭的至少一部分气化。