Efficient natural gas desulfurization system and desulfurization process thereof

Abstract

The invention belongs to the technical field of natural gas desulfurization, and relates to an efficient natural gas desulfurization system and a desulfurization process thereof. The efficient natural gas desulfurization system comprises a raw material separator, an absorption tower, a regeneration tower, a buffering tank, a Roots blower, a filter press, a sulfur melting kettle, a sulfur forming machine and a purified gas separator, wherein a gas outlet of the raw material gas separator is connected with a gas inlet of the absorption tower; a liquid outlet of the absorption tower is connected with a liquid inlet of a flash tank; a liquid outlet of the flash tank is connected with a regeneration tower; a liquid discharge opening formed in the bottom of the regeneration tower is connected with the buffer tank; a liquid outlet of the buffer tank is connected with the filter press; the press filter is connected with the sulfur melting kettle; an outlet of the sulfur melting kettle is connected with the sulfur forming machine. A gas outlet of the absorption tower is connected with the purifier separator through a pipeline; a gas outlet of the flash tank is connected with the purifier separator through a pipeline; the filter press is also connected with the buffer tank through a backflow pipeline. The desulfurization system and the desulfurization process have the advantages of wide application range, high desulfurization efficiency and no secondary pollution.

Description

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AI Technical Summary

Benefits of technology

This technology described in this patents allows for effective treatments without causing environmental problems such as acid rain or greenhouse gases emissions. Unlike other methods like lime/limestone processes that use expensive materials, these new technologies have improved performance over existing techniques while reducing their negative impact on environmentally sensitive areas around them. These improvements include better heat exchange between absorbate solution and exhaust stream, more complete separation of solubilizers due to less residue formation compared to previous systems, enhanced recovery efficacy at lower temperatures, reduced energy consumption, minimal contamination, and increased productivity per volume.

Problems solved by technology

The technical problem addressed in this patented text relates to current methods for removing hydrogen sulfide from gases that use fossil fuels or other sources such as coal-based power plants. These existing techniques involve expensive equipment with poor operational efficacy due to their large size and complexity.

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