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Method for drying granular material and its device containing preheating process

A technology of preheating device and drying device, applied in the directions of drying gas arrangement, heating to dry solid materials, heating device, etc., can solve problems such as failure to achieve, and achieve the effect of accelerating drying speed, fast drying and improving drying efficiency

Inactive Publication Date: 2004-12-15
SATAKE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] It is clear that in drying granules, in order to dry the granules safely and quickly, it is important to preheat the granules and maintain a predetermined temperature of the granules themselves before exposing them to drying wind, and for this purpose, the Various technical research and development have been carried out, but so far have not been successful

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  • Method for drying granular material and its device containing preheating process
  • Method for drying granular material and its device containing preheating process
  • Method for drying granular material and its device containing preheating process

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Embodiment Construction

[0059] Now, a preferred embodiment of the present invention will be described with reference to FIGS. 1 to 4 . Here, an example of a circulation type grain drying apparatus for drying grains that are granular bodies will be described. The grain drying device 1 is provided sequentially from its top: a storage tank 2 for storing grains to be dried; an air supply path separated by a perforated plate 6 extending from the front side A to the back side B 3. The air exhaust passage 4 and the drying chamber 7 connected to the grain downflow pipe 5 of the storage tank 2 ; and the take-out part 10 from which the dried grain is taken out. The take-out section 10 includes a rotary valve 8 for intermittently discharging the grains flowing down on a non-porous inclined plate 5 a connected to the perforated plate 6 of the drying chamber 7 and an auger 9 On, above-mentioned auger conveyer 9 is used for transversally conveying the grain that conveys from rotary valve 8. Furthermore, the take...

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Abstract

An apparatus for drying granular objects comprises, from the top of the apparatus, a holding section; a heating section; a drying air producing section; and a drying section. The dried granular objects are taken out from a taking-out section and returned to the holding section through a bucket elevator. The apparatus further comprises a detector for detecting the temperature of the drying air. Based on the detected temperature, a control device controls the temperature of the heated air so as to keep the temperature of the drying air to a predetermined temperature. The temperature of the drying air can be set to a desirable temperature while the heated air for the heating is kept at a high temperature. The drying operation is performed speedily and safely.

Description

technical field [0001] The present invention relates to a method and apparatus for drying granules by exposing them to drying wind, and more particularly to a structure that uses a structure that raises the temperature of granules before exposing them to drying wind. Method and apparatus for drying granules. Background technique [0002] As a conventional method of drying granular bodies by exposing them to drying wind, a common method is to generate high-temperature drying wind by a burner and a fan and repeatedly expose granular bodies to such drying wind. middle. However, in order to shorten the drying time and prevent the quality change of the granules caused during the drying period, a method involving preheating the granules, that is, a method of increasing the internal temperature of the granules before exposing them to drying wind The method has attracted people's attention as an improved method. An example of a drying device using far-infrared radiation for prehe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F26B17/14F26B1/00F26B3/00F26B9/08F26B17/12F26B17/16F26B21/10F26B23/10
CPCF26B21/10F26B17/16F26B17/122F26B9/087F26B3/00
Inventor 佐竹觉刘厚清国信诚渡桥启介
Owner SATAKE CORP
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