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Sulfur-tolerant shift reaction equipment and sulfur-tolerant shift process method

A technology of sulfur-resistant conversion and reaction equipment, which is applied in chemical instruments and methods, inorganic chemistry, non-metallic elements, etc., can solve the problems of inability to tolerate sulfur-CO conversion, and achieve the effect of inhibiting agglomeration

Active Publication Date: 2018-03-16
中琉科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Therefore, the technical problem to be solved by the present invention is to overcome the defect that the prior art cannot carry out sulfur-resistant CO transformation for feed gas with high CO concentration, high steam-gas ratio, oily dirt and dust

Method used

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  • Sulfur-tolerant shift reaction equipment and sulfur-tolerant shift process method

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Embodiment 1

[0038] This embodiment provides a sulfur-resistant shift reaction equipment, such as figure 1 As shown, it includes a first-stage shift reactor 1, a second-stage shift reactor 2, and a third-stage shift reactor 3 connected in series; wherein, the first-stage shift reactor 1 is filled with MgAl 2 o 4 As the carrier, CoO and MoO 3 is the catalyst of the main active component; the second stage shift reactor 2 is filled with MgAl 2 o 4 As the carrier, CoO and MoO 3 As the main active component, the catalyst with rare earth oxide as active promoter; the third stage shift reactor 3 is filled with MgAl 2 o 4 or Al 2 o 3 As the carrier, CoO and MoO 3 as the main active component, with K 2 O is the catalyst of the coagent.

[0039] In the sulfur-resistant shift reaction equipment provided in this embodiment, the first-stage shift reactor 1 is filled with MgAl 2 o 4 As the carrier, CoO and MoO 3 As the main active component of the catalyst, the catalyst has low sulfur resis...

Embodiment 2

[0054] This embodiment provides a sulfur-tolerant shift process, which includes the following steps: feed the raw material gas into the first-stage shift reactor 1 for shift reaction, and the first-stage shift reactor 1 is filled with MgAl 2 o 4 As the carrier, CoO and MoO 3 Catalyst that is the main active component; the shift gas from the first-stage shift reactor 1 is passed into the second-stage shift reactor 2 for shift reaction, and the second-stage shift reactor 2 is filled with MgAl 2 o 4 As the carrier, CoO and MoO 3 as the main active component, a catalyst with rare earth oxides as active promoters; the shift gas from the second-stage shift reactor 2 is passed into the third-stage shift reactor 3 for shift reaction, and the third-stage shift Reactor 3 was filled with MgAl 2 o 4 or Al 2 o 3 As the carrier, CoO and MoO 3 as the main active component, with K 2 O is the catalyst of the coagent.

[0055] In the sulfur-resistant shift process method provided in t...

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Abstract

The invention provides a sulfur-resistant shift reaction equipment and a sulfur-resistant shift process method. The sulfur-resistant shift reaction equipment includes a first-stage shift reactor, a second-stage shift reactor, and a third-stage shift reactor connected in series; wherein, the first-stage shift reactor is filled with MgAl2O4 as a carrier, and A catalyst with CoO and MoO3 as the main active components; the second-stage shift reactor is filled with a catalyst with MgAl2O4 as the carrier, CoO and MoO3 as the main active components, and rare earth oxides as active promoters; The three-stage shift reactor is loaded with a catalyst with MgAl2O4 or Al2O3 as the carrier, CoO and MoO3 as the main active components, and K2O as the active promoter. The sulfur-resistant shift reaction equipment provided by the invention can carry out sulfur-resistant CO shift for feed gas with high CO concentration, high steam-gas ratio, oil pollution and dust, and the sulfur-resistant shift process method provided by the invention has the advantages of simple design, safe operation, It is not easy to "fly temperature" and has the characteristics of low investment.

Description

technical field [0001] The invention relates to the technical field of sulfur-resistant conversion, in particular to a sulfur-resistant conversion reaction equipment and a sulfur-resistant conversion process method. Background technique [0002] The CO shift process refers to the raw material gas (including CO, H 2 S, etc.) and water vapor on the catalyst for CO shift reaction to produce hydrogen and carbon dioxide to obtain synthesis gas that meets the requirements. [0003] Raw gas obtained from coal gasification usually has high CO concentration (40-75% by volume), high steam-gas ratio (1.0-1.8 ratio of dry raw gas to water vapor), H 2 S concentrated height (5-15g / Nm 3 ), high pressure (3.0-8.0MPa), etc., and there are also oil and dust. To realize the efficient shift hydrogen production of these complex mixed gases, the sulfur-resistant shift process is usually adopted, that is, the complex mixed gas after gasification is directly shifted without desulfurization. [...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B3/16
CPCC01B3/16C01B2203/0294
Inventor 江莉龙曹彦宁郭玉峰
Owner 中琉科技有限公司
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