Base slag treatment device and method for fluidized bed gasification furnace

A fluidized bed gasifier and slag treatment technology, applied in the field of gasification, can solve the problem of high carbon content in the bottom slag, avoid easy slagging, save investment and operation and maintenance costs, and ensure long-term stable operation

Pending Publication Date: 2019-10-29
INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
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Problems solved by technology

[0009] The object of the present invention is also to provide a bottom slag treatment device and a bottom slag treatment method for a fluidized bed gasifier, to solve the problem of high carbon content in the bottom slag of the existing fluidized bed gasifier, and to improve the temperature of the cold gas efficiency

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  • Base slag treatment device and method for fluidized bed gasification furnace
  • Base slag treatment device and method for fluidized bed gasification furnace
  • Base slag treatment device and method for fluidized bed gasification furnace

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[0029] Exemplary embodiments of the present invention will be described in detail below with reference to the accompanying drawings, wherein the same or similar reference numerals represent the same or similar elements. In addition, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a comprehensive understanding of the embodiments of the present disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in diagrammatic form to simplify the drawings.

[0030] According to the general concept of the present invention, a bottom slag processing device for a fluidized bed gasifier is provided, the bottom slag processing device has a hot slag inlet and a cold slag outlet, and the hot slag inlet is used for gasification The furnace is connected to receive the hot slag, the cold slag out...

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Abstract

The invention provides a base slag treatment device (2) for a fluidized bed gasification furnace. The base slag treatment device (2) is provided with a hot slag inlet and a cold slag outlet, the hot slag inlet is used for being connected with the gasification furnace (1) to receive hot slag (D), the cold slag outlet is used for discharging cold slag (K), and the base slag treatment device (2) is configured to reignite and cool the hot slag (D). The invention further provides a base slag treatment method for the fluidized bed gasification furnace. According to the base slag treatment device andmethod for the fluidized bed gasification furnace, the base slag is low in carbon content and not prone to slag bonding, the efficiency is high, and energy saving and consumption reducing can be achieved.

Description

technical field [0001] The invention relates to the technical field of gasification, in particular to a bottom slag treatment device and a bottom slag treatment method for a fluidized bed gasification furnace. Background technique [0002] As an efficient and clean clean coal technology, gasification technology is the main way to convert solid primary energy such as coal into gaseous clean secondary energy. This technology is mainly used in chemical and metallurgical industries such as synthetic ammonia, synthetic methanol, hydrogen production, and blast furnace reduction ironmaking. , Combined cycle power generation and industrial and civil gas fields. [0003] Classified according to the state of movement of solid fuel, modern gasification processes mainly include fixed-bed gasification, entrained-bed gasification and fluidized-bed gasification. Fluidized bed gasification technology is one of the earliest industrialized gasification processes. The process is that the gasi...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10J3/52C10J3/72
CPCC10J3/52C10J3/72C10J2300/1628C10J2300/1892Y02P20/10
Inventor 朱治平王小芳刘伟伟宋维健高鸣
Owner INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
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