A gasification method and gasification device
A gasification device and a gasification reaction technology, applied in the field of coal gasification, can solve the problems of complex manufacturing process, unfavorable industrial application, high cost and the like
Active Publication Date: 2020-06-05
ENN SCI & TECH DEV
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However, compared with natural ores, the materials produced by these methods are more expensive and the manufacturing process is more complicated, which is not conducive to industrial applications
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[0033] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0034] In the description of the present invention, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientation or positional relationship indicated by "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the...
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The invention relates to the technical field of coal gasification and in particular relates to a gasification method and a gasification device, aiming at continuously recovering carrier particles to aproper size under the condition that the activity of the carrier particles is not reduced, improving the utilization rate of the carrier particles and the mobility of solid materials and avoiding blocking. The gasification method comprises the following steps: carrying out gasification reaction on solid materials to be gasified in the presence of a first solid material, so as to generate a firstgas product, ash residues and a second solid material, wherein the first solid material is a carbon carrier and / or an oxygen carrier and the second solid material is an inactivated carbon carrier and / or oxygen carrier; carrying out regeneration treatment on the second solid material to obtain the first solid material; carrying out fusing treatment on the ash residues and the regenerated first solid material, and adhering the ash residues and the first solid material to obtain a third solid material with a grain diameter in a pre-set range; returning back the third solid material and continually carrying out gasification reaction. The gasification method and the gasification device, provided by the embodiment of the invention, are used for gasifying coal to prepare methane.
Description
Technical field [0001] The invention relates to the technical field of coal gasification, in particular to a gasification method and a gasification device. Background technique [0002] Coal chemical chain gasification is a new type of high-efficiency clean coal gasification technology that uses circulating carriers for the conversion and transfer of materials and energy. According to the different functions of the circulating carrier, it can be divided into oxygen carrier (main component is iron oxide) and carbon carrier (main component is calcium oxide). In the coal chemical chain gasification process, the oxygen carrier provides oxygen for the gasification reaction, which can avoid the use of pure oxygen. In the industrialization stage, the investment in the air separation unit can be reduced and the cost can be saved. The role of the carbon carrier is to absorb the carbon dioxide produced by the gasification reaction to promote the gasification process and increase the yield...
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IPC IPC(8): C10J3/02C10J3/72
CPCC10J3/02C10J3/72C10J2300/093C10J2300/1625
Inventor 曾亮贾则琨李克忠
Owner ENN SCI & TECH DEV