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Multi-sieve disc drying equipment

A drying equipment and sieve tray type technology, applied in the field of multi-sieve tray type drying equipment, can solve the problems of affecting the dryness of powder materials, easy agglomeration of wet powder materials, unfavorable complete drying, etc., and achieve low cost, good drying performance, drying effect

Active Publication Date: 2016-03-23
NANTONG SIHAI PLANT EXTRACTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the airflow dryer is used to dry wet powder, because the wet powder is easy to agglomerate, it is not conducive to being completely dried during the working process, which not only affects the dryness of the powder, but also is not conducive to being airflow It is carried away and enriched in the drying cylinder, which eventually leads to tower blockage and even fire accidents

Method used

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  • Multi-sieve disc drying equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Such as figure 1 As shown, the multi-sieve tray drying equipment includes a drying cylinder 1 and a plurality of sieve trays 2. The drying cylinder 1 includes a cylinder body 11 with openings at both ends, a top cover 12 fixedly connected to the upper end surface of the cylinder body 11, The cylinder bottom 13 fixedly connected to the lower end surface of the cylinder body 11, the lower part of the side wall of the cylinder body 11 is provided with a feed port 14 penetrating through the inner and outer walls of the side wall, and the top cover 12 is provided with a discharge port 16 penetrating through its upper and lower end surfaces. The sieve tray 2 is conical and has a large top and a small bottom. Both the upper end surface and the lower end surface of the sieve tray 2 are provided with an open structure. The sieve tray 2 is provided with a plurality of sieve holes 21 penetrating through the upper and lower end surfaces of the sieve tray 2. The plurality of sieve tr...

Embodiment 2

[0017] This embodiment makes the following further limitations on the basis of Example 1: the sieve tray 2 includes an upper sieve tray 22, a middle sieve tray 23, and a lower sieve tray 24 distributed longitudinally from top to bottom, and the lower sieve tray 24 Located above the feed port 14. In this embodiment, the lower sieve tray 24 is located above the feed inlet 14, so that the wet materials entering the cylinder 11 are gathered and dried by the hot air at the feed inlet 14, so that they can be dispersed and further dried with the upward movement of the air flow.

Embodiment 3

[0019] In this embodiment, the following further limitations are made on the basis of Embodiment 1: among the plurality of sieve trays 2 , the distance between every two adjacent sieve trays 2 gradually decreases from top to bottom. In this example, because the sieve hole 21 on the middle sieve tray 23 has a larger aperture than the upper sieve hole 21 on the upper sieve tray 22, the material is easy to pass through the middle sieve tray 23 under the action of hot air flow and induced draft fan airflow, but not easy to pass through the upper sieve tray 22. Sieve tray 22. At this time, materials tend to stay in the area between the middle sieve tray 23 and the upper sieve tray 22. In order to avoid clogging, the distance between the lower sieve tray 24 and the middle sieve tray 23 is smaller than the distance between the middle sieve tray 22 and the upper sieve tray 22. .

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Abstract

The invention discloses multi-sieve-tray drying equipment. The multi-sieve-tray drying equipment comprises a drying cylinder, a plurality of sieve trays and an anti-sinking rotary assembly, wherein the drying cylinder comprises a cylinder body, a top cover and a cylinder bottom; the lower part of the side wall of the cylinder body is provided with a feeding hole; a discharging hole is formed in the top cover; the anti-sinking rotary assembly comprises a rotary rod, a connecting plate, a scraper and a rotary driving part; the rotary rod passes through the two side walls of the cylinder bottom or an outer cylinder body; the rotary rod is arranged below the feeding hole; the rotary driving part is fixedly connected to the end of the rotary rod, or is arranged on the outer side of the outer cylinder body or the cylinder body; the lower end face of the connecting plate adapts to the upper end face of the cylinder bottom; the sieve trays are conical; the sieve trays are provided with a plurality of sieve holes; the edges of the upper end openings of the sieve trays are connected with the inner wall of the cylinder body; the lower end openings of the sieve trays are formed in the central parts of the sieve trays; the pore diameters of the sieve holes of the lower sieve trays in two adjacent sieve trays are greater than the pore diameters of the sieve holes of the upper sieve trays. By adopting the multi-sieve-tray drying equipment, the defects of the conventional air current drier are overcome. The multi-sieve-tray drying equipment has the advantages of high drying performance, high reliability and low cost.

Description

technical field [0001] The invention relates to the field of airflow dryers, in particular to multi-sieve disc drying equipment. Background technique [0002] The airflow dryer has the advantages of high drying strength, large processing capacity, and simple equipment, and has been widely used in the pharmaceutical, food, and chemical industries. However, when the airflow dryer is used to dry wet powder, because the wet powder is easy to agglomerate, it is not conducive to being completely dried during the working process, which not only affects the dryness of the powder, but also is not conducive to being airflow It is carried away and enriched in the drying cylinder, which eventually leads to tower blockage and even fire accidents. Contents of the invention [0003] The object of the present invention is to overcome the deficiency of the above-mentioned existing air flow dryer and provide multi-sieve disc drying equipment. [0004] The purpose of the present invention ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F26B17/10F26B21/00F26B25/00
Inventor 刘军
Owner NANTONG SIHAI PLANT EXTRACTS