Coal slime drying device

A drying device and coal slime technology, applied in heating devices, drying solid materials, local agitation dryers, etc., can solve problems such as high requirements for operation and management, difficulty in feeding materials, and high failure rate of equipment, and achieve low requirements for operation and management , drying operation cost, energy saving, and low drying operation cost

Inactive Publication Date: 2010-05-12
王晋生 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] From a technical point of view, there are still the following problems in the drying of coal slime in the drum drying device: (1) Because of the high viscosity of the coal slime, it is difficult to feed and often block the feed inlet; (2) It is easy to agglomerate in the drum to block the discharge outlet
(3) The exhaust gas contains dust and sulfur, which pollutes the environment; (4) Due to the complexity of the system, the equipment failure rate is high and the operation management level is high

Method used

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Embodiment Construction

[0015] Such as figure 1 , 2 As shown in and 3, a coal slime drying device proposed by the present invention includes a solar greenhouse 1 and a bridge-type turning and throwing device 2, and the bridge-type turning and throwing device 2 is arranged in the solar greenhouse 1. The bridge type throwing device 2 includes a throwing mechanism, a walking mechanism, a lifting mechanism, and a frame. The throwing mechanism includes a throwing wheel 3, a throwing motor 4, and a transmission device 5 for turning over. The throwing wheel 3 is made up of a hollow tube 6, an annular plate 7 and a scraper 8, and the relationship is as follows: the hollow tube 6 is equipped with an annular plate 7 at a certain distance, and several scrapers 8 are arranged between adjacent annular plates. The scrapers on both sides of a circular plate are staggered at a certain angle. In this embodiment, three scrapers are evenly arranged between every two adjacent annular plates, and the scrapers on both ...

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Abstract

The invention provides a coal slime drying device, which comprises a solar greenhouse and a bridge-type turning-throwing device, wherein the bridge-type turning-throwing device is arranged in the solar greenhouse; the bridge-type turning-throwing device comprises a turning-throwing mechanism, a travelling mechanism, a lifting mechanism and a frame; a heating device is arranged under the ground of the solar greenhouse; and the feeding, drying and discharging of coal slime are completely mechanized through the turning-throwing function of the bridge-type turning-throwing device. By utilizing solar energy and ventilation to dry coal slime, the drying device has the advantages of low cost for drying operation, energy conservation, no emission of pollutants and good environment-protection benefit, and overcomes high cost, high energy consumption, environmental pollution and other disadvantages of drum drying devices commonly used at present.

Description

Technical field: [0001] The invention relates to a drying device, in particular to a coal slime drying device. Background technique: [0002] Coal slime is the remaining by-product after coal preparation. After pressure filtration, its moisture content is generally about 40%, with high moisture content and high viscosity. At present, the coal slime is basically dried by a drum drying device. Because the heat source of the drum drying is a coal furnace or a gas furnace, the drying cost is very high, and sometimes the drying cost exceeds the selling price of the dried coal slime; moreover, the initial investment of the drum drying device is often several million, or even tens of millions. Two reasons caused a lot of coal slime to be dumped directly, causing serious local environmental pollution, and coal slime production units were often fined and suspended for rectification due to environmental protection issues. In recent years, with the acceleration of urbanization, the la...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B9/02F26B25/04F26B23/10
Inventor 王晋生
Owner 王晋生
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