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A kind of material drying equipment and its application

A technology for drying equipment and materials, used in drying, dryers, drying solid materials, etc., can solve the problems of material sticking and accumulation, hindered material falling, bonding, etc., and achieves good surface heat insulation effect and poor thermal conductivity. Effect

Active Publication Date: 2022-01-07
HENAN DRAGON INTO COAL TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] CN106382804 discloses a kind of drying equipment, the material of its inner material guide plate is carbon steel plate, after drying starts, because the temperature of carbon steel plate is low, water vapor is easy to condense on carbon steel plate, when the condensed water on carbon steel plate accumulates too much , the material coal is easy to bond on the surface of the carbon steel plate, the falling of the material is blocked, and the material is often pasted and accumulated, and the equipment needs to be opened for cleaning, which makes the production stagnant

Method used

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  • A kind of material drying equipment and its application
  • A kind of material drying equipment and its application

Examples

Experimental program
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Embodiment 1

[0053] This embodiment provides a drying equipment for crushed coal, referring to figure 1 As shown, it includes a housing 1, and the inside of the housing 1 is provided with a material falling and returning mechanism 2 that is generally in the shape of a "Z". The material falling and returning mechanism 2 has three transmission sections that are inclined relative to the vertical direction, and each transmission section is provided with 10 A material guide plate 3 for delivering materials.

[0054] The downward inclination directions of the material guide plates 3 in the same transmission section are consistent, and the downward inclination directions of the material guide plates 3 in two adjacent transmission sections are opposite. In this embodiment, the inclination angle formed by the material guide plate and the horizontal line is 40°.

[0055] The material falling and returning mechanism 2 has a plurality of corners 9 . In this embodiment, two corners 9 are provided. T...

Embodiment 2

[0063] This embodiment provides a drying equipment for crushed coal, referring to figure 1 As shown, including the shell 1, the inside of the shell 1 is provided with a "Z"-shaped material falling and turning mechanism 2, and in each section of the "Z" shaped material falling and turning structure, there are 8 parallel material guide plate 3. The angle between the material guiding plate 3 and the horizontal line is 50°.

[0064] The material falling and returning mechanism 2 has a plurality of corners 9 . In this embodiment, two corners 9 are provided. The first material guide plate below each corner 9 is spatially in a position capable of catching the material on the material guide plate 3 above the corner 9 . And the first material guide plate below each corner 9 has a certain inclination angle to change the direction of motion of the material, and the direction of the downward inclination angle of the material guide plate 3 before and after the corner 9 is opposite to th...

Embodiment 3

[0071] The difference from Embodiment 1 is that the material guide plate 3 uses carbon steel as the skeleton support plate 31, and a smooth vacuum insulation panel is arranged on the upper surface of the carbon steel plate; in this embodiment, the thickness of the vacuum insulation panel is set to 10 mm.

[0072] After drying the pulverized coal, it was found that there is no problem of water vapor condensation on the surface of the vacuum insulation board, and there is no phenomenon of sticking materials on the surface of the vacuum insulation board during the drying process of the pulverized coal.

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Abstract

The invention provides a material drying equipment and its application, and relates to the technical field of material drying. The material on the surface of the material guide plate has a low thermal conductivity, which helps the material guide plate as a whole to have the characteristics of good surface heat insulation effect and poor thermal conductivity, which is conducive to the water vapor in the equipment not being easy to condense on the surface of the material guide plate. Furthermore, it reduces the situation that the material sticks to the material guide plate and blocks the falling of the material, and is also conducive to the smooth falling of the material in the drying equipment and the smooth production.

Description

technical field [0001] The invention relates to the technical field of material drying, in particular to a material drying equipment and its application. Background technique [0002] Drying is usually to release and remove the external water (ie free water) contained in the material by heating, instead of removing the crystal water or internal water, so the drying temperature is usually not higher than 300°C. For pulverized coal, oil shale and biomass, especially pulverized coal with a lot of fine powder, the temperature of the hot air entering the drying room is usually lower than 300°C, and the temperature of the air leaving the drying room is usually lower than 120°C. After drying, it is usually not higher than 70°C, so that it is possible to ensure the safety of drying and dust removal equipment. This is because at a certain concentration of pulverized coal and an ambient temperature higher than 70°C, when the oxygen content in the environment reaches a certain value, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F26B17/12F26B21/00F26B25/00
CPCF26B17/122F26B21/004F26B25/002
Inventor 朱书成王希彬李金峰汪国敏
Owner HENAN DRAGON INTO COAL TECH CO LTD
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