Method and device for generating power by gasification of domestic sludge biomass particles

A technology of biomass particles and domestic sludge, which is applied in the fields of biofuel, combustible gas purification, combustible gas purification/transformation, etc., can solve the problems of surrounding environmental pollution, etc., and achieve low equipment cost, low cost and low energy consumption. Effect

Active Publication Date: 2015-04-01
广东万绿环保集团有限公司
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Problems solved by technology

Although this method is simple, it will pollute the surrounding environment

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  • Method and device for generating power by gasification of domestic sludge biomass particles

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Embodiment Construction

[0030] In order to better understand the present invention, the present invention will be further described below in conjunction with the accompanying drawings, but the embodiments of the present invention are not limited thereto.

[0031] Such as figure 1 As shown, a gasification and power generation device of domestic sludge biomass particles includes a gasification device of domestic sludge biomass particles, a gas cooling device, a gas electric coking device and a gas power generation device.

[0032]The domestic sludge biomass particle gasification device includes a bucket elevator 1, a screw feeder 2, a homogenizer 3, a gasifier 4, a blower 5 and a screw discharger 6; wherein, the gasifier 4 is equipped with The gasification furnace can be divided into 4 gasification furnace valves 4-1 with upper and lower closed layers, the upper layer is the feed layer, and the lower layer is the pyrolysis gasification layer; the bucket elevator 1, the screw feeder 2 and the uniform va...

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Abstract

The invention discloses a method and a device for generating power by gasification of domestic sludge biomass particles. The device comprises a domestic sludge biomass particle gasifying device, a gas cooling device, a gas electric tar-catching device and a gas power generation device, wherein a gas outlet of a gasification furnace is communicated with a gas inlet of an air-cooled heat exchanger through a pipeline, a gas outlet of the air-cooled heat exchanger is communicated with an inlet of a first-stage water-cooled heat exchanger, an outlet of the first-stage water-cooled heat exchanger is communicated with a gas inlet of an electric tar catcher, a gas outlet is formed in the upper end of the electric tar catcher and is communicated with a gas inlet of a second-stage water-cooled heat exchanger through an induced draft fan, a gas outlet of the second-stage water-cooled heat exchanger is communicated with a drop catcher and the drop catcher is communicated with a power generator set. By the device, under high temperature and anoxic conditions, the biomass particles are pyrolyzed and gasified into combustible gases such as alkane, carbon monoxide and tar and water vapor and by fully cooling and purifying the combustible gases, the combustible gases meet the power generation requirements on the low-pollution fuel gas and thus the efficient comprehensive utilization of the biomass particles is achieved.

Description

technical field [0001] The invention relates to domestic sludge treatment, in particular to a method and device for generating electricity by gasifying domestic sludge biomass particles. use. Background technique [0002] In sludge disposal, the traditional main methods of sludge treatment, landfill, composting, and incineration are increasingly showing their defects. For example, landfill occupies a large area of ​​land, composting has a small amount of treatment and low efficiency, and incineration is prone to secondary pollution. Pollution makes it difficult to realize sludge treatment. [0003] At present, the more common method is to filter the sludge to a low moisture content with a sludge dryer, and directly incinerate it for power generation or heat supply. Although this method is simple, it will cause pollution to the surrounding environment. Chinese utility model patent CN203794764U discloses an integrated device for deep drying and resource utilization of domes...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10B53/02C10B49/02C10K1/02F02B63/04
CPCC10B49/02C10B53/02C10K1/02C10K1/028F02B63/044Y02E50/10
Inventor 曾宪方钟绍明
Owner 广东万绿环保集团有限公司
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