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Combustor air bar grid for use within fluidized bed reactor, and fluidized bed reactor

A technology of fluidized bed reactor and burner, which is applied in the direction of fluidized bed combustion equipment, fluidized bed furnace, fuel burning in molten state, etc., which can solve the problem of uneven burning materials and achieve the effect of simplifying the structure

Pending Publication Date: 2021-08-10
住友重机械福惠能源有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in a fluidized bed reactor, the burned material is inhomogeneous and may suffer from agglomeration or entrainment of non-combustible material

Method used

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  • Combustor air bar grid for use within fluidized bed reactor, and fluidized bed reactor
  • Combustor air bar grid for use within fluidized bed reactor, and fluidized bed reactor
  • Combustor air bar grid for use within fluidized bed reactor, and fluidized bed reactor

Examples

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Embodiment Construction

[0032] figure 1 A steam generating system 10 is shown. Up to the burner air grid 1, ash hopper 6 and support structure, the structure and operation of the steam generation system 10 may be the same as that disclosed in US Patent No. 5,425,331, which is hereby incorporated by reference.

[0033] The steam generation system 10 includes a fluidized bed reactor 12 (which is in figure 1 is shown as a circulating fluidized bed reactor, and in Figure 4 Shown as a bubbling fluidized bed reactor), cyclone separator 14 and heat recovery zone 16.

[0034] An air grid 1 is provided in the lower part of the fluidized bed reactor 12, and reference will be made below to figure 2 and image 3 The examples shown in are described in detail.

[0035] Cyclone separator 14 receives a mixture of air and gaseous products of combustion from fluidized bed reactor 12 along with solid particles entrained therewith. Separator 14 operates to separate solids from the gas, and the gas is passed to...

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PUM

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Abstract

A combustor air bar grid (1) for use within a fluidized bed 5 reactor (12) comprises at least two main air collector bars (2) in fluid communication with a source of fluidizing gas; a plurality of primary air bars (3) that are transversal to said main air collector bars (2) and arranged on said 0 at least two main air collector bars (2) such that the main air collector bars (2) support them, and in fluid communication to at least two of said main air collector bars (2), the main air collector bars (2) and the primary air bars (3) defining ash removal openings in the air bar 5 grid (1); and a plurality of fluidizing nozzles (4) arranged to each of the primary air bars (3) for fluidizing the bed reactor (12).The patent application also contains an independent claim for a 0 fluidized bed reactor.

Description

technical field [0001] The present invention relates to an improved combustor air grid, and more particularly to a fluidized bed reactor, for example for the combustion of solid materials including biomass, or the incineration of waste fuels containing non-combustible materials, and with For the removal of ash or non-combustible materials during burning or incineration. Background technique [0002] Chemical reactions, such as combustion or gasification, take place in fluidized bed material layers in fluidized bed reactors, usually so-called bubbling fluidized bed or circulating fluidized bed reactors. There, a fluidizing gas such as air is supplied into the reactor through the layer of bed material mainly comprising sand and fuel, so that the bed becomes easily mobile in a fluidized state. However, in a fluidized bed reactor, the combusted material is inhomogeneous and may undergo agglomeration or entrainment of non-combustible material. [0003] The burner air bar grid h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23C10/20F23C10/04F23C10/24
CPCF23C10/04F23C10/20F23C10/24F23C2900/10007B01J8/1836B01J8/44B01J2208/00504B01J2208/00902F27B15/10F27B15/16F27D2009/0005
Inventor J·克维拉格
Owner 住友重机械福惠能源有限公司