Gasification furnace for co-production of superheated steam
A superheated steam and gasifier technology, applied in the field of coal gasification, can solve the problems of low steam turbine efficiency, inconvenient long-distance pipeline transportation, etc., and achieve significant economic benefits
Pending Publication Date: 2018-10-16
BEIJING QING CHUANG JIN HUA TECH CO LTD
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Problems solved by technology
[0003] In order to solve the problems existing in the prior art, the present invention provides a gasifier for the co-production of superheated steam, which can solve the problem that the co-production of the existing gasifier is only saturated steam as power to drive the steam turbine, which has low efficiency and does not The problem of facilitating long-distance pipeline transportation, thereby improving the thermal efficiency and steam value of the gasifier
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[0017] The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0018] In describing the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, use a specific Azimuth configuration and operation, therefore, should not be construed as limiting the invention.
[0019] In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated ...
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The invention relates to a gasification furnace for co-production of superheated steam, and belongs to the technical field of coal gasification. The gasification furnace comprises a pressure-bearing shell, wherein the pressure-bearing shell comprises a gasification section, a waste heat recovery section and a slag pool section sequentially from top to bottom, a gasification section membrane type water-cooling wall and a first heat-resistant channel are arranged inside the gasification section, the interior of the gasification section membrane type water-cooling wall defines a gasification chamber, and the upper end of the first heat-resistant channel is communicated with the lower end of the gasification chamber; an inner membrane type water-cooling wall and an outer membrane type water-cooling wall are arranged inside the waste heat recovery section, the interior of the inner membrane type water-cooling wall defines a radiation chamber, the lower end of the first heat-resistant channel is communicated with the upper end of the radiation chamber, and annular spaces of the outer membrane type water-cooling wall and the inner membrane type water-cooling wall define an overheating chamber; and the interior of the slag pool section defines a slag pool. The gasification furnace provided by the invention fundamentally solves the problems that the existing gasification furnace only co-produces saturated steam as power to drive a steam turbine, so that the efficiency is lower and long-distance transport of pipelines is inconvenient, and the heat efficiency and the steam value of the gasification furnace are further improved.
Description
technical field [0001] The invention relates to a gasification furnace for co-producing superheated steam, which belongs to the technical field of coal gasification. Background technique [0002] The gasification furnace in the related art, the gasification furnace with a radiant waste pot assembly, has been widely used in industrial production. Because it has the advantage of being able to burn cheap coal with a high ash melting point, and can recover the radiant heat of hot raw gas in the form of saturated steam, the saturated steam generated by this radiant heat can be used for power generation or for post-production sections, making many users And manufacturers have been huge benefits. However, the co-produced saturated steam, on the one hand, is less efficient as a power to drive the steam turbine, and on the other hand, on the way to the subsequent section through the pipeline network, part of the saturated steam condenses into water due to the heat dissipation of the...
Claims
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IPC IPC(8): C10J3/00C10J3/76
CPCC10J3/00C10J3/76C10J2300/1687Y02P20/129Y02P20/10
Inventor 裴世钊马宏波岳军王帅宋文军
Owner BEIJING QING CHUANG JIN HUA TECH CO LTD