Coal gasifier

A technology of coal gasification and gasification chamber, applied in the field of coal gasification, can solve the problems of partial burning, low carbon conversion rate, etc.

Active Publication Date: 2016-12-21
KEDA MAS CLEAN ENERGY +1
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The embodiment of the present invention provides a coal gasifier to overcome the technical problems of partial burning and low carbon conversion rate in the prior art

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Embodiment Construction

[0022] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0023] figure 1 It is a schematic structural view of a coal gasifier according to an embodiment of the present invention, figure 2 It is a schematic top view of the arrangement of process burners in the embodiment of the present invention, image 3 It is a three-dimensional schematic diagram of the arrangement of process burners in the embodime...

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Abstract

The invention provides a coal gasifier which comprises a gasification chamber, N process burners and an ignition burner. The ignition burner is arranged in the center of the top of the gasification chamber; the N process burners are arranged on the top of the gasification chamber and arranged at the periphery of the ignition burners in a surrounding mode, wherein N>=3; the projection straight lines of the center lines of the process burners at the outlet center points of the corresponding process burners and the projection straight lines of the center lines of the process burners on the plane determined by the axis of the gasification chamber are a generation line of a same cone, and the included angles of the center lines of the process burners and the corresponding projection straight lines are beta, wherein beta is larger than 0 degree. According to the coal gasifier, dry coal powder and a gasification agent are uniformly mixed in the gasification chamber, the retention time of the dry coal powder particles in the gasification chamber is long, therefore, effective gas components in synthetic gas are increased, the unsymmetric burning phenomenon is avoided, and the carbon conversion rate is high.

Description

technical field [0001] The invention relates to coal gasification technology, in particular to a coal gasification furnace. Background technique [0002] Coal gasification technology is the core of clean and efficient utilization of coal. The industrialized coal gasification technologies mainly include fixed bed technology, fluidized bed technology and entrained bed technology. Among them, entrained bed technology has gradually become the main direction of coal gasification technology development due to its advantages of large processing capacity, high carbon conversion rate, and high cold gas efficiency. [0003] In a traditional entrained-bed gasifier, the arrangement of pulverized coal burners mainly includes side-mounted multi-burners and opposed multi-burners, and the corresponding gas flow mixing methods are rotating impinging flow and impinging flow respectively. However, for the gas flow mixing method with side-mounted multi-burners and opposed multi-burners, when o...

Claims

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Application Information

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IPC IPC(8): C10J3/48C10J3/50
CPCC10J3/48C10J3/50C10J2300/1606C10J2300/0976C10J2300/0959C10J2300/0963C10J2300/0956C10J2300/093C10J2200/152Y02E20/18
Inventor 刘欣彭敏秦亚杰毕大鹏全健森
Owner KEDA MAS CLEAN ENERGY
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