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Combustible treating device

A processing device and mechanical sealing device technology, applied in the field of combustibles processing devices, can solve the problems of large power, high maintenance and management costs, and a large amount of regular maintenance and replacement of crushing tools, and achieve the effect of reducing maintenance and management costs

Inactive Publication Date: 2007-09-19
EBARA CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such crushing equipment not only requires a large power, but also has the problem of high maintenance and management costs, such as regular maintenance and replacement of crushing tools.

Method used

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Embodiment Construction

[0016] The implementation of the combustibles processing device of the present invention will be described in detail below with reference to FIGS. 1 to 5 . In addition, in FIGS. 1 to 5 , the same or corresponding components are given the same reference numerals to omit overlapping descriptions.

[0017] FIG. 1 shows a schematic view of a combustibles processing apparatus 1 constituting a first embodiment of the present invention. As shown in Figure 1, the combustible treatment device 1 has: a hopper 12 for dropping combustibles 10; a circulating fluidized bed boiler 22 with a combustion chamber 20 for burning combustibles; a thermal decomposition chamber 30 connected with the circulating fluidized bed boiler 22 ; The cyclone separator 40 that separates solids such as combustion ash or flow medium from the combustion gas generated in the combustion chamber 20 .

[0018] The hearth portion of the combustion chamber 20 is provided with a distribution plate 26, which is used to e...

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Abstract

The invention provides a treating device for combustible substance which does not need to crush up the combustible substance and need low maintenance management cost. The combustible substance treating device (1) includes: circulating fluid bed boiler (22) which circulates flowing medium internally and has burning chamber (20) for combusting the combustible substance; and heat decomposition chamber (30) which dries and heat-decomposes the combustible substance fed in the burning chamber (20) of the circulating fluid bed boiler (22) by using heat radiation from the burning chamber (20), and then further partly burns and heat-decomposes the same. The heat decomposition chamber (30) has grate (32) for conveying the combustible substance to the burning chamber (20). The combustible substance treating device (1) also has gas seal tank (66) which makes air to flow from the upstream side of the heat decomposition chamber (30) to the burning chamber (20) of the circulating fluid bed boiler (22), and revolving valve arranged at upstream side of the gas seal tank (66).

Description

technical field [0001] The invention relates to a combustible treatment device, in particular to a combustible treatment device with a circulating fluidized bed boiler burning coal and other combustibles. Background technique [0002] The circulating fluidized bed boiler used as a combustibles treatment device burns small-diameter combustibles such as pulverized coal in a high-speed airflow. In the circulating fluidized bed boiler, the unburned part, which has not been burned, is captured by the cyclone separator together with the flow medium such as fine silica sand, and is recycled to the circulating fluidized bed boiler for combustion again. As a result, energy can be efficiently recovered. [0003] However, combustibles as fuel need to be accompanied by air flow, and therefore, combustibles charged into the circulating fluidized bed boiler are limited to small-diameter combustibles such as pulverized coal. For this reason, equipment for crushing the combustibles charge...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23C10/18
Inventor 永东秀一石川龙一浦上嘉信宫武健
Owner EBARA CORP
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