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System and method for producing synthesis gas

A synthesis gas, gas technology, applied in chemical instruments and methods, hydrogen/syngas production, hydrogen production, etc., can solve problems such as reduction in synthesis gas production

Active Publication Date: 2008-07-09
AIR PROD & CHEM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The result is a temporary absence of synthesis gas production or a marked reduction in synthesis gas production, as in the case of the process of WO-A-02 / 09025C

Method used

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  • System and method for producing synthesis gas

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Embodiment Construction

[0053] Refer to Figure 1. Figure 1 schematically shows a system 1 for producing synthesis gas.

[0054] The system 1 comprises a first gasification reactor 2 , a second gasification reactor 3 , an oxygen source 4 and a shifter 5 . In the embodiment shown in Figure 1, the first gasification reactor 2 is a coal gasification reactor and the second gasification reactor 3 is a gas gasification reactor.

[0055] In the system 1 according to Fig. 1, a stream 10 comprising particulate coal and a stream 60 comprising oxygen are fed into a coal gasification reactor 2 at inlets 6 and 7, respectively.

[0056] Similarly, gas-comprising stream 30 and oxygen-comprising stream 70 are fed into gasification reactor 3 at inlets 9 and 11 .

[0057] During normal use of the embodiment of Figure 1 only coal gasification reactor 2 is active; gas gasification reactor 3 is used as a backup unit for the production of synthesis gas in case of failure of coal gasification reactor 2 or in case of hot s...

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Abstract

The present invention relates to a system for producing synthesis gas comprising CO and H2. The system comprises a first gasification reactor and a second gasification reactor. The first one has an inlet for a first oxygen containing stream, an inlet for a first carbonaceous stream, and an outlet for raw synthesis gas produced in the first gasification reactor. The second one has an inlet for a second oxygen containing stream, an inlet for a second carbonaceous stream, and an outlet for raw synthesis gas produced in the second gasification reactor. A source of an oxygen containing stream is selectively connected to the inlet for the first oxygen containing stream of the first gasification reactor and to the inlet for the second oxygen containing stream of the second gasification reactor via a distributor.

Description

technical field [0001] The present invention relates to the production of CO and H from carbonaceous streams using oxygen-containing streams 2 synthetic gas system. Background technique [0002] Systems for producing synthesis gas are known from practice. [0003] Typically, carbonaceous streams such as coal, lignite, peat, wood, coke, soot or other gases, liquid or solid fuels or mixtures thereof are gasified using an oxygen-containing gas such as substantially pure oxygen or (optionally oxygen-enriched) air or the like. Partial combustion in the reactor to obtain a.o. synthesis gas (CO and H 2 ), CO 2 and optional slag. Where slag is formed during partial combustion, it drips down and is discharged through an outlet at or near the bottom of the reactor. [0004] The hot product gas, ie the raw synthesis gas, is usually quenched in a quench section located downstream of the gasification reactor. A suitable quenching medium, such as water, cold gas, recycled synthesis ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B3/36C01B3/48C01B13/02
CPCC01B2203/141C10K1/08C10J3/00C01B2210/0082C01B3/36C01B13/0229C01B2203/86C10J2300/0959C01B2203/0283C10J2300/093C01B2203/1241C10K3/04C01B2203/84C01B3/48C10J3/723C01B2210/0046C01B2203/025C10J3/721C01B2203/065Y02E20/18Y02P30/00C01B3/02
Inventor P·L·苏德维尔德G·格罗特威尔德
Owner AIR PROD & CHEM INC