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A uniform flow hot air material drying method

A drying method and hot air technology, which are used in dryers for static materials, drying gas layout, local stirring dryers, etc., can solve the problem of uneven baking of fresh products, unguaranteed product quality, and low baking efficiency. problems, to achieve the effect of adjustable baking hot air distribution, high drying thermal efficiency and low energy consumption

Active Publication Date: 2020-06-19
KUNMING HOLGUIN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to propose a uniform flow hot air material drying method for the problems of uneven baking of fresh products, unguaranteed product quality, low baking efficiency, and high energy consumption in the prior art. The innovation of hot air distribution and circulation mode and equipment structure improves the uniformity of hot air circulation and thermal efficiency of the drying box, meets the drying requirements of various fresh agricultural products, improves product quality, and reduces production energy consumption

Method used

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  • A uniform flow hot air material drying method
  • A uniform flow hot air material drying method
  • A uniform flow hot air material drying method

Examples

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Effect test

Embodiment 1

[0025] Example 1: Such as Figure 1-2 As shown, the uniform flow hot air material drying method is to set up and down two rows, three in each row, and a total of 600 mm between the top and bottom and the left and right on two opposite side walls in the working bin of the drying box where the materials to be dried are stored. Two air outlets with a diameter of 200mm (evenly arranged along the height and depth of the two side walls of the drying box working chamber), so that each air outlet is connected to the heating chamber of the drying box through the air duct, and the hot air is along the side wall of the working chamber. The tuyere is sent into the working chamber of the drying box in a circumferential direction, so that the sent hot air flows laterally along the inner side of the side wall, and then naturally diffuses to the entire working chamber, in a uniform dispersion state in the working chamber, sweeping across the stack evenly The surface of the to-be-baked material ...

Embodiment 2

[0029] Example 2: Such as Figure 1-2 As shown, the uniform hot air material drying method is to set up two rows of upper and lower sides, 4 in each row, and a total of 500 mm between the upper and lower and left and right sides on two opposite side walls in the working bin of the drying box storing the materials to be dried. Two air outlets with a diameter of 150mm (set evenly along the height and depth of the two side walls of the working chamber of the drying oven), so that each air outlet is connected to the heating chamber of the drying box through the air duct, and the hot air flows along the side wall of the working chamber. The tuyere is sent into the working chamber of the drying box in a circumferential direction, so that the sent hot air flows laterally along the inner side of the side wall, and then naturally diffuses to the entire working chamber, in a uniform dispersion state in the working chamber, sweeping across the stack evenly The surface of the to-be-baked ma...

Embodiment 3

[0033] Example 3: Such as Figure 1-2 As shown, the uniform flow hot air material drying method is to set up a total of 12 on the two opposite side walls of the working chamber of the drying box storing the materials to be dried in three rows up and down, 4 in each row, and 500 mm apart between the top and bottom and the left and right. Air outlets with a diameter of 120mm (evenly arranged along the height and depth of the two side walls of the drying box working chamber), so that each air outlet is connected to the heating chamber of the drying box through the air duct, and the hot air is along the air opening on one side wall of the working chamber Circumferentially sent into the working chamber of the drying box, so that the sent hot air flows laterally along the inner side of the side wall, and then naturally diffuses to the entire working chamber, in a uniform dispersion state in the working chamber, and evenly sweeps across the stacking The surface of the to-be-baked mater...

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Abstract

The invention provides a uniform-flow hot air material drying method, and belongs to the technical field of agricultural product processing. Hot air is fed into a working bin in the peripheral directions of multiple air ports on the side wall of the working bin of a drying device; the fed hot air laterally flows along the inner wall of the working bin to naturally disperse in the whole working bin; the hot air transversely and uniformly flows through materials in the bin in a dispersed state; the hot air is carried to exhaust from the air ports on the other side wall of the working bin after heat exchange with the materials; then, the air is reversely fed to repeat the process; and forward and reverse air feeding baking processes are repeatedly circulated to discharge moisture from a top moisture discharge port; fresh air enters a heating bin from a fresh air port formed in an air way of the drying device; drying parameters are designed according to a process; and the materials in theworking bin are uniformly dried. A hot air valve for lateral exhaust along the periphery is adopted to realize lateral supply of the hot air. The uniform-flow hot air material drying method has the advantages of low hot air circulating temperature difference in the working bin, high heat supply heat efficiency, capability of realizing uniform drying of various agricultural products and fresh materials, low energy consumption, simple structure, convenience to operate and the like.

Description

Technical field [0001] The invention relates to a fruit and vegetable drying box, in particular to a method for drying uniform hot air materials, belonging to the technical field of agricultural products processing. Background technique [0002] Drying (drying) processing is one of the important processes in the production and processing industry of agricultural products, which directly affects the performance, form, quality and energy costs of the processing process; drying equipment is the timely processing of agricultural fresh products , So it has the important guarantee of warehousing logistics and long-distance trading conditions. Drying processing is a complex heat exchange process, which is not only affected by material characteristics and media parameters, but also related to climatic conditions and drying processes, and even involves chemical and biological processes. The requirements for drying different materials may be very complicated, not only to remove water, but...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F26B9/06F26B21/00F26B21/10
CPCF26B9/06F26B21/004F26B21/10
Inventor 吕云李韬鹏唐高伟王蕾段勇江成卫
Owner KUNMING HOLGUIN TECH