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a dust collector

A technology for collecting and collecting pulverized coal, which is applied in chemical instruments and methods, dispersed particle separation, dispersed particle filtration, etc.

Active Publication Date: 2016-08-24
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This series of regulations can only rely on the operating experience of technicians to alleviate the problem of coal fire and explosion, but it cannot solve the problem from the root.

Method used

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Embodiment Construction

[0027] The details of the present invention can be understood more clearly with reference to the accompanying drawings and the description of specific embodiments of the present invention. However, the specific embodiments of the present invention described here are only for the purpose of explaining the present invention, and should not be construed as limiting the present invention in any way. Under the teaching of the present invention, the skilled person can conceive any possible modification based on the present invention, and these should be regarded as belonging to the scope of the present invention.

[0028] Please refer to figure 1 , figure 2 , are respectively the front view sectional structure schematic diagram and the side view sectional structural schematic diagram of the pulverized coal collector of the present invention. As shown in the figure, the pulverized coal collector proposed by the present invention includes a storage bin 1, a collection bin 2, an upp...

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Abstract

The invention discloses a pulverized coal collector, which comprises a storage bin, a partition plate is arranged at the upper end of the storage bin, and at least two collection bins penetrating up and down are arranged side by side on the partition board. The lower port of the collection bin is connected with the storage bin through an air lock arranged on the partition plate, and an upper box is provided above the upper port of the collection bin, and the upper box corresponds to The upper ports of each of the collection bins are respectively provided with filter cloth bags. In the present invention, by changing the structure of the storage bin at the lower part of the pulverized coal collector, the pulverized coal in the storage bin is isolated from the flue gas, and it can be operated with nitrogen, avoiding the contact between the pulverized coal and the flue gas with high oxygen content and high temperature, and eliminating The hidden danger of pulverized coal fire and explosion in the storage silo is eliminated, and the fire objects outside the storage silo cannot enter the silo, and the fire objects inside the storage silo cannot ignite the cloth bag, which avoids the possibility of expansion of fire and explosion accidents.

Description

technical field [0001] The invention relates to a pulverized coal collector, in particular to a pulverized coal collector capable of preventing bag burning and pulverized coal spontaneous combustion and explosion, and is suitable for collecting dry fine pulverized coal carried by flue gas in a lignite drum drying system. Background technique [0002] At present, lignite is not conducive to long-distance transportation and storage due to its high moisture content, low calorific value, easy weathering and spontaneous combustion, and the transportation cost per unit of energy is high. The thermal efficiency of direct combustion of lignite is low, and the emission of greenhouse gases is also very large, making it difficult to develop and utilize on a large scale. In addition, the conversion and utilization of lignite as a raw material is also limited. Both lignite liquefaction, dry distillation and gasification need to reduce the moisture in coal to less than 10%. [0003] In t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D46/02B01D46/42
Inventor 温志强毛永清李战国
Owner STATE GRID CORP OF CHINA
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