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Low-temperature vacuum steam drying box

A technology of low-temperature vacuum and drying oven, which is applied in the direction of drying solid materials, drying chamber/container, drying gas arrangement, etc. Pipe burst, ensure the effect of heating effect

Inactive Publication Date: 2017-03-08
NANJING HUAITENG MACHINERY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Hot water is used as the heating medium. Although it can be recycled, the heating effect is not good, and the temperature cannot be constant, which affects the uniform drying effect.

Method used

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  • Low-temperature vacuum steam drying box

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Embodiment 1

[0013] Embodiment 1: a kind of low-temperature vacuum steam drying box, its structure diagram is as follows figure 1 As shown, it includes a box body 1 and a layered baking tray 2 arranged inside the box body 1. The interlayer of the box body 1 is provided with an insulation layer 5. The material of the insulation layer 5 is rock wool, which is the inside of the box body 1. Cavity insulation improves drying efficiency.

[0014] This dry box also comprises steam pipeline, and described steam pipeline comprises main pipeline 3 and branch pipeline 4, and the diameter of described main pipeline 3 is 3~5 times of the diameter of described branch pipeline 4, pressurizes at main pipeline one end, makes The speed of gas flow is accelerated to ensure the heating effect, and the temperature is constant and the drying is uniform. The main pipeline 3 is connected to the branch pipeline 4 through the insulation layer 5 of the box body 1 to ensure that the temperature of the steam in the m...

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Abstract

The invention discloses a low-temperature vacuum steam drying box which comprises a box body and a layered drying tray arranged inside the box body. A heat insulation layer is arranged on an interlayer of the box body. The low-temperature vacuum steam drying box further comprises a steam pipeline. The steam pipeline comprises a main pipeline and a branch pipeline. The diameter of the main pipeline is 3-5 times that of the branch pipeline. The main pipeline is connected into the branch pipeline by passing through the heat insulation layer of the box body. The branch pipeline is arranged below the layered drying tray and parallel to the layered tray in a cycle folding-back mode from top to bottom. An outlet of the branch pipeline penetrates out of the box body. Pressure is added at one end of the main pipeline, so that the gas flowing speed is increased, the gas temperature decreasing speed is low, a heating effect is ensured, the temperature is uniform, and drying is uniform.

Description

technical field [0001] The invention relates to a drying box, more specifically, to a low-temperature steam drying box. Background technique [0002] Vacuum drying is the heating and drying of the dried material under vacuum conditions. The vacuum pump is used to pump air and dehumidify, so that a vacuum state is formed in the working area, the boiling point of water is lowered, and the drying speed is accelerated. At a lower temperature, Higher drying efficiency is obtained, the heat is fully utilized, and no impurities are mixed in the drying process. In the commonly used vacuum drying box, hot water is passed into the heating plate as the heating medium, the material tray covered with the medicine to be dried is placed on the heating plate, the door of the box is closed, and the inside of the box is evacuated by a vacuum pump. The heating plate heats the medicine to the specified temperature in the circulating flow of the heating medium, and the water starts to evaporate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B9/06F26B5/04F26B21/10F26B25/18
CPCF26B5/04F26B9/06F26B21/10F26B25/18
Inventor 童朝兵
Owner NANJING HUAITENG MACHINERY TECH