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A Vacuum Drying Electronically Controlled Quantitative Micro-spraying Method and Device

A vacuum drying, electronically controlled technology, applied in spray evaporation, evaporator accessories, etc., can solve the problems of nozzle ice blockage, difficult matching, nozzle freezing blockage, etc., to improve drying efficiency, wide concentration range, and overcome ice blockage. Effect

Active Publication Date: 2017-04-19
HEBEI XINGLONG ELEVATORING EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main problems of this method are as follows: First, the quantitative spraying or quantitative atomization of liquid materials cannot be realized, which may easily cause the contradiction between supply and demand of medium heat and affect product quality.
This is because the continuous spray disperses the liquid into fine droplets, which have a large surface area, and the evaporation (flash) of water requires a lot of heat, and the superheating temperature of the heat medium or heating body cannot be too high, so the two are not easy to match
The second is that the adaptability of the nozzle is narrow, and different types and concentrations of liquid materials need to be replaced with different nozzles
The third is that the nozzle is prone to ice blockage in a high vacuum environment, that is, the nozzle is blocked by icing

Method used

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  • A Vacuum Drying Electronically Controlled Quantitative Micro-spraying Method and Device
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  • A Vacuum Drying Electronically Controlled Quantitative Micro-spraying Method and Device

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Embodiment Construction

[0024] Such as figure 1 Shown is a schematic diagram of a vacuum dry explosion electronic control micro-spraying method. The voice coil motor (D), the microprocessor (MCU), the voice coil motor driver (PD), and the valve body (F) form the electronic control nozzle system. The mover (8) of the voice coil motor (D) is connected to the valve plug (2). After the mover coil is energized, it will reciprocate under the drive of the voice coil motor driver (PD) to drive the valve plug (2) to open or close the spray Hole (6); the microprocessor (MCU) generates an electric pulse signal to control the voice coil motor driver (PD), and changes the frequency and amplitude (voltage) of the electric pulse signal to change the voice coil motor mover (8) Displacement and the time it takes to complete a reciprocating movement, so as to control the degree of opening of the valve plug (2) each time and the time from opening to closing; the material liquid is input through the hose interface (4), an...

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PUM

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Abstract

The invention provides a vacuum-drying electric-control quantitative micro spraying method and apparatus. The apparatus comprises an electric-control nozzle system, a superheat adjusting system and a deicing system. The method and apparatus can carry out vacuum drying of quantitative spray, solve imbalance between supply and demand of energy of a heat carrier, effectively overcome ice block and realize digital and intelligent control of vacuum spray drying.

Description

[0001] Technical field: [0002] The invention relates to the technical field of vacuum drying, in particular to a vacuum drying electronically controlled quantitative micro-spraying method and a device thereof. [0003] Background technique: [0004] In the process of vacuum spray drying of heat-sensitive liquid materials such as food, medicine, chemical industry, etc., the commonly used method is to use different types of nozzles according to different types of liquid materials to directly spray and atomize the liquid continuously. Such as: "ZL200410052130.6 Liquid Material Vacuum Spray Drying Method and Vacuum Continuous Spray Dryer", "ZL200880019864.0 Freeze Vacuum Drying Method of Freeze Vacuum Drying Device", "ZL200980126514.9 Freeze Drying Device and Freeze Drying Method" etc. Use nozzle spray method. The main problems of this method are as follows: First, it is impossible to realize quantitative spraying or quantitative atomization of liquid materials, which will easily caus...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D1/20B01D1/30
Inventor 孙谨先
Owner HEBEI XINGLONG ELEVATORING EQUIP CO LTD
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