Furnace-free front storage bin feeding device for biomass power plant

The technology of a feeding device and a screw feeding device is applied in the direction of fuel supply, burning fuel in a molten state, and combustion methods, etc., which can solve the problems of long-term stable operation of the unit, entanglement of conveying fuel, uneven feeding, etc., and achieve a simple and convenient device , Avoid bridging and save floor space

Inactive Publication Date: 2015-06-17
武汉丰盈能源技术工程有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When there are more transfer links in the feeding system, there will be more frequent accidents such as fuel entanglement, material blockage, and uneven feeding, which will lead to the unit not being able to run stably for a long time

Method used

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  • Furnace-free front storage bin feeding device for biomass power plant
  • Furnace-free front storage bin feeding device for biomass power plant
  • Furnace-free front storage bin feeding device for biomass power plant

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:

[0026] Such as figure 1 and figure 2 Shown: a biomass power plant without furnace feed bin feeding device, without furnace feed bin, mainly including feeder 1, screw feeder 2, feeder 1 and screw feeder 2 The drop tube 3. The feeding belt direct blanking method is adopted, one feeding belt corresponds to one feeder 1, one feeder 1 corresponds to two screw feeding devices 2, and four screw feeding devices 2 correspond to the four feeders of the boiler respectively. feed port. The fuel is transported to the front of the furnace by two feeding belts, and falls directly into the two distributors 1 respectively, and then directly falls into the four feeders through the drop pipe 3 between each outlet of the distributor 1 and the screw feeding device 2. A screw feeding device 2, and then from the screw feeding device 2 respectively enter the feeding po...

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Abstract

The invention relates to a furnace-free front storage bin feeding device for a biomass power plant. The blanking is directly performed by employing a charging belt, a charging belt corresponds to a distributor, a distributor is provided with two discharge openings; the discharge openings of each distributor are butted with a spiral feeding device through a blanking pipe; and four spiral feeding devices respectively corresponds to four feeding holes of a corresponding boiler. The device is easy, convenient and high in adaptability, the transfer link is reduced, the failure rate of the system is reduced, the height of the charging belt is reduced, the bridging and bulking phenomena in the traditional stokehole storage bin are avoided, the floor area is saved, and the cost is saved; and meanwhile, the device has good practical using effect of various biomass fuels, the stability, reliability and the safety of equipment operation in a feeding system are improved, and the device can be widely applied to various boilers for biomass power generation, and are particularly applied to circulating fluidized bed boilers.

Description

technical field [0001] The invention relates to a biomass power plant feeding system, in particular to a biomass power plant boiler furnace front feeding device. Background technique [0002] Biomass power generation technology is a renewable energy project that my country has focused on developing and constructing in recent years. There are many types of biomass resources, including crop straw, rice husk, forestry waste, and crop seed shells. Utilization, the construction of new socialist countryside and the adjustment of power structure have made important contributions. [0003] At present, in the design of CFB boiler furnace feeding system in biomass power generation technology, most of the designs are equipped with furnace feed bins. Deliver fuel to the furnace for combustion. With the use of the feed bin in front of the furnace, it is not uncommon for bridges to be built in the feed bin, and the phenomenon of material filling is not uncommon, which often requires more...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23K3/00F23C10/22
Inventor 赵志华程亮平赵渊马旭晓马宝社谢鸿微
Owner 武汉丰盈能源技术工程有限公司
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