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Solar-integrated coal based methanol synthesis and power generation co-production system

A technology of methanol synthesis and solar energy, applied in energy input, steam generation, machines/engines, etc., can solve problems such as poor waste heat utilization efficiency, reduce fossil energy consumption, reduce carbon dioxide and pollutant emissions, and reduce investment cost effect

Active Publication Date: 2018-08-24
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the traditional indirect coal liquefaction process, coal pyrolysis, gasification and other upgrading processes need to absorb a large amount of energy, which usually requires partial combustion of coal to provide; coal upgrading and the utilization efficiency of waste heat generated in the process of methanol synthesis often not good

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  • Solar-integrated coal based methanol synthesis and power generation co-production system

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Embodiment Construction

[0017] The present invention proposes a coal-based methanol synthesis and power generation co-production system integrating solar energy, which will be described below with reference to the accompanying drawings.

[0018] like figure 1The shown integrated solar energy coal-based methanol synthesis and power generation co-generation system includes three main parts: a solar energy upgrading subsystem, a methanol synthesis subsystem, and a coal-fired power generation subsystem; wherein, the coal crusher 1 is connected to the pre-drying device 2, The pre-drying device 2 is respectively connected to the boiler 22 and the pyrolysis furnace 3, and the pyrolysis furnace 3 is respectively connected to the solar collector 4, the gasifier 5 and the high temperature coal cooler 29, the high temperature coal cooler 29 and the low temperature coal cooler 30 , the compression molding device 31 is connected in series; the high-temperature coal cooler 29 is respectively connected with the inp...

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Abstract

The invention discloses a solar-integrated coal based methanol synthesis and power generation co-production system, belongs to the field of coal grading utilization. The system mainly comprises threesubsystems of solar mass extraction, methanol synthesis and fired coal power generation. In the system, solar-driven coal mass extraction, methanol synthesis and fired coal power generation are coupled; tank and tower solar energy provides heat for pyrolysis and gasification of coals; and waste heat and wastes in the mass extraction and methanol synthesis process realize gradient recycling througha boiler and a steam-water system of a fired coal generator set. The system widens the utilization path of solar energy and realize coal based poly-generation through efficient system integrated coupling, meanwhile, is hopeful to reduce the fossi energy consumption, and improves the energy comprehensive utilization efficiency.

Description

technical field [0001] The invention belongs to the field of graded utilization of coal, in particular to a coal-based methanol synthesis and power generation co-production system integrating solar energy, in particular to an integrated power generation system for solar-assisted coal graded upgrading and methanol synthesis. Background technique [0002] Coal is the fossil energy with the largest storage volume in the world. The currently detected storage volume is about one trillion tons, which is almost three times the storage volume of oil. It is the guarantee of world energy security. However, in the process of coal utilization, problems such as low energy utilization efficiency and serious emission of carbon dioxide and pollutants often occur. With the increasing emphasis on energy security and environmental protection, efficient and clean utilization of coal resources is an important research direction at present. [0003] Coal indirect liquefaction technology is a cle...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01D15/10F23K1/00F22D1/00C10J3/58
CPCF01D15/10F22D1/00F23K1/00C10J3/58C10J2300/1292C10J2300/1603C10J2300/1665C10J2300/1675Y02P20/129Y02P20/133
Inventor 许诚辛团团刘文毅徐钢杨勇平
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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