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Vacuum rake dryer

A rake dryer and drying machine technology, which is applied in the direction of dryers, drying solid materials, and dry goods processing, etc., can solve the problems of long residence time of materials, uneven drying, poor drying effect, etc., and achieve a small cleaning workload , Solve the effect of discontinuous production and constant vacuum degree

Inactive Publication Date: 2020-09-11
JIANGSU BOSIWEI ENG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The current vacuum rake dryer is intermittent production, the material stays for a long time, there is back-mixing, the flow direction is opposite from the center part to the two sides, and the control degree of different materials is not the same, often piled up in the middle or at both ends, and the drying is uneven. Outer coke and inner dampness often occur, and the drying effect is poor, which needs to be improved

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0026] A vacuum rake dryer, the dryer is sequentially provided with a preheating section 1, a high temperature section 2, a subhigh temperature section 3, a slow temperature section 4 and a cooling section 5 from front to back;

[0027] The temperature of each section is determined by the characteristics of the object to be dried, the drying degree of the batch, and the drying requirements. Under normal circumstances, the temperature of the preheating section 1 is between 50 and 100°C, and the temperature of the high-temperature section 2 is between 50°C and 100°C. 120~250°C, the temperature of the secondary high temperature section 3 is between 110~160°C, the temperature of the slow temperature section 4 is between 60~110°C, the temperature of the cooling section 5 is between -10~ between 40°C.

[0028] Further, the preheating section 1 is provided with a hollow rake rod 11, the high temperature section 2 is provided with a hollow rake disc 21, the secondary high temperature ...

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Abstract

The invention relates to a vacuum rake dryer. By means of the structure of the dryer, drying process treatment is achieved, the problem that production is discontinuous is solved, work is compact, andefficiency is high; the problems that caking happen, the outer portions are burnt, and the inner portions are wet are solved, and the quality of dried products is good and stable; the vacuum degree is constant, and moisture absorption and damping are not prone to happening; and few materials are accumulated, and the cleaning workload is small; and heat efficiency is high.

Description

technical field [0001] The invention relates to a vacuum rake dryer, which belongs to the technical field of dryers. Background technique [0002] The current vacuum rake dryer is intermittent production, the material stays for a long time, there is back-mixing, the flow direction is opposite from the center part to the two sides, and the control degree of different materials is not the same, often piled up in the middle or at both ends, and the drying is uneven. Outer coke and inner dampness often occur, and the drying effect is poor, which needs to be improved. Contents of the invention [0003] The purpose of the present invention is to provide a vacuum rake dryer with reasonable structure and improved material drying efficiency and effect. [0004] For this reason, the technical solution adopted by the present invention is: a vacuum rake dryer, and the dryer is provided with a preheating section (1), a high temperature section (2), a secondary high temperature section...

Claims

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Application Information

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IPC IPC(8): F26B5/04F26B23/00F26B25/00F26B25/04
CPCF26B5/042F26B23/00F26B25/001F26B25/04
Inventor 任红兵党梅任智博吴小艳
Owner JIANGSU BOSIWEI ENG TECH CO LTD
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